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netsurf/riscos/window.c
Michael Drake b412b93701 Use online docs.
2012-07-21 14:55:51 +01:00

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/*
* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2004 Andrew Timmins <atimmins@blueyonder.co.uk>
* Copyright 2005 Richard Wilson <info@tinct.net>
* Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
* Copyright 2010, 2011 Stephen Fryatt <stevef@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Browser window handling (implementation).
*/
#include <assert.h>
#include <ctype.h>
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#include <stdbool.h>
#include <time.h>
#include <string.h>
#include "oslib/colourtrans.h"
#include "oslib/osbyte.h"
#include "oslib/osfile.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "oslib/wimpspriteop.h"
#include "utils/config.h"
#include "content/content.h"
#include "content/hlcache.h"
#include "content/urldb.h"
#include "css/css.h"
#include "desktop/browser.h"
#include "desktop/cookies.h"
#include "desktop/scrollbar.h"
#include "desktop/frames.h"
#include "desktop/history_core.h"
#include "desktop/hotlist.h"
#include "desktop/mouse.h"
#include "desktop/plotters.h"
#include "desktop/selection.h"
#include "desktop/textinput.h"
#include "desktop/thumbnail.h"
#include "desktop/tree.h"
#include "desktop/gui.h"
#include "render/form.h"
#include "render/html.h"
#include "riscos/bitmap.h"
#include "riscos/buffer.h"
#include "riscos/cookies.h"
#include "riscos/dialog.h"
#include "riscos/global_history.h"
#include "riscos/gui.h"
#include "riscos/gui/status_bar.h"
#include "riscos/help.h"
#include "riscos/hotlist.h"
#include "riscos/menus.h"
#include "desktop/options.h"
#include "riscos/oslib_pre7.h"
#include "riscos/save.h"
#include "riscos/content-handlers/sprite.h"
#include "riscos/toolbar.h"
#include "riscos/thumbnail.h"
#include "riscos/url_complete.h"
#include "riscos/url_suggest.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/wimputils.h"
#include "riscos/window.h"
#include "utils/log.h"
#include "utils/talloc.h"
#include "utils/url.h"
#include "utils/utf8.h"
#include "utils/utils.h"
#include "utils/messages.h"
static void gui_window_set_extent(struct gui_window *g, int width, int height);
static void ro_gui_window_redraw(wimp_draw *redraw);
static void ro_gui_window_scroll(wimp_scroll *scroll);
static void ro_gui_window_open(wimp_open *open);
static void ro_gui_window_close(wimp_w w);
static bool ro_gui_window_click(wimp_pointer *mouse);
static bool ro_gui_window_keypress(wimp_key *key);
static bool ro_gui_window_toolbar_keypress(void *data, wimp_key *key);
static bool ro_gui_window_handle_local_keypress(struct gui_window *g,
wimp_key *key, bool is_toolbar);
static bool ro_gui_window_menu_prepare(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_pointer *pointer);
static void ro_gui_window_menu_warning(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_selection *selection, menu_action action);
static bool ro_gui_window_menu_select(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_selection *selection, menu_action action);
static void ro_gui_window_menu_close(wimp_w w, wimp_i i, wimp_menu *menu);
static void ro_gui_window_scroll_action(struct gui_window *g,
int scroll_x, int scroll_y);
static void ro_gui_window_toolbar_click(void *data,
toolbar_action_type action_type, union toolbar_action action);
static bool ro_gui_window_content_export_types(hlcache_handle *h,
bool *export_draw, bool *export_sprite);
static bool ro_gui_window_up_available(struct browser_window *bw);
static void ro_gui_window_prepare_pageinfo(struct gui_window *g);
static void ro_gui_window_prepare_objectinfo(hlcache_handle *object,
const char *href);
static void ro_gui_window_launch_url(struct gui_window *g, const char *url);
static bool ro_gui_window_navigate_up(struct gui_window *g, const char *url);
static void ro_gui_window_action_home(struct gui_window *g);
static void ro_gui_window_action_new_window(struct gui_window *g);
static void ro_gui_window_action_local_history(struct gui_window *g);
static void ro_gui_window_action_navigate_back_new(struct gui_window *g);
static void ro_gui_window_action_navigate_forward_new(struct gui_window *g);
static void ro_gui_window_action_save(struct gui_window *g,
gui_save_type save_type);
static void ro_gui_window_action_search(struct gui_window *g);
static void ro_gui_window_action_zoom(struct gui_window *g);
static void ro_gui_window_action_add_bookmark(struct gui_window *g);
static void ro_gui_window_action_print(struct gui_window *g);
static void ro_gui_window_action_page_info(struct gui_window *g);
static void ro_gui_window_remove_update_boxes(struct gui_window *g);
static void ro_gui_window_update_toolbar_buttons(struct gui_window *g);
static void ro_gui_window_update_toolbar(void *data);
static void ro_gui_window_save_toolbar_buttons(void *data, char *config);
static void ro_gui_window_update_theme(void *data, bool ok);
static bool ro_gui_window_import_text(struct gui_window *g,
const char *filename, bool toolbar);
static void ro_gui_window_clone_options(struct browser_window *new_bw,
struct browser_window *old_bw);
static bool ro_gui_window_prepare_form_select_menu(struct browser_window *bw,
struct form_control *control);
static void ro_gui_window_process_form_select_menu(struct gui_window *g,
wimp_selection *selection);
#ifndef wimp_KEY_END
#define wimp_KEY_END wimp_KEY_COPY
#endif
#ifndef wimp_WINDOW_GIVE_SHADED_ICON_INFO
/* RISC OS 5+. Requires OSLib trunk. */
#define wimp_WINDOW_GIVE_SHADED_ICON_INFO ((wimp_extra_window_flags) 0x10u)
#endif
#define SCROLL_VISIBLE_PADDING 32
/** Remembers which iconised sprite numbers are in use */
static bool iconise_used[64];
static int iconise_next = 0;
/** Whether a pressed mouse button has become a drag */
static bool mouse_drag_select;
static bool mouse_drag_adjust;
/** List of all browser windows. */
static struct gui_window *window_list = 0;
/** GUI window which is being redrawn. Valid only during redraw. */
struct gui_window *ro_gui_current_redraw_gui;
/** Form control which gui_form_select_menu is for. */
static struct form_control *gui_form_select_control;
/** The browser window menu handle. */
static wimp_menu *ro_gui_browser_window_menu = NULL;
/** Menu of options for form select controls. */
static wimp_menu *gui_form_select_menu = NULL;
/** Browser window associated with open select menu. */
static struct browser_window *ro_gui_select_menu_bw = NULL;
/** Object under menu, or 0 if no object. */
static hlcache_handle *current_menu_object = 0;
/** URL of link under menu, or 0 if no link. */
static const char *current_menu_url = 0;
static float scale_snap_to[] = {0.10, 0.125, 0.25, 0.333, 0.5, 0.75,
1.0,
1.5, 2.0, 3.0, 4.0, 6.0, 8.0, 12.0, 16.0};
#define SCALE_SNAP_TO_SIZE (sizeof scale_snap_to) / (sizeof(float))
/** An entry in ro_gui_pointer_table. */
struct ro_gui_pointer_entry {
bool wimp_area; /** The pointer is in the Wimp's sprite area. */
char sprite_name[16];
int xactive;
int yactive;
};
/** Map from gui_pointer_shape to pointer sprite data. Must be ordered as
* enum gui_pointer_shape. */
struct ro_gui_pointer_entry ro_gui_pointer_table[] = {
{ true, "ptr_default", 0, 0 },
{ false, "ptr_point", 6, 0 },
{ false, "ptr_caret", 4, 9 },
{ false, "ptr_menu", 6, 4 },
{ false, "ptr_ud", 6, 7 },
{ false, "ptr_ud", 6, 7 },
{ false, "ptr_lr", 7, 6 },
{ false, "ptr_lr", 7, 6 },
{ false, "ptr_ld", 7, 7 },
{ false, "ptr_ld", 7, 7 },
{ false, "ptr_rd", 7, 7 },
{ false, "ptr_rd", 6, 7 },
{ false, "ptr_cross", 7, 7 },
{ false, "ptr_move", 8, 0 },
{ false, "ptr_wait", 7, 10 },
{ false, "ptr_help", 0, 0 },
{ false, "ptr_nodrop", 0, 0 },
{ false, "ptr_nt_allwd", 10, 10 },
{ false, "ptr_progress", 0, 0 },
};
struct update_box {
int x0;
int y0;
int x1;
int y1;
bool use_buffer;
struct gui_window *g;
struct update_box *next;
};
struct update_box *pending_updates;
#define MARGIN 4
static const struct toolbar_callbacks ro_gui_window_toolbar_callbacks = {
ro_gui_window_update_theme,
ro_gui_window_update_toolbar,
(void (*)(void *)) ro_gui_window_update_toolbar_buttons,
ro_gui_window_toolbar_click,
ro_gui_window_toolbar_keypress,
ro_gui_window_save_toolbar_buttons
};
/**
* Initialise the browser window module and its menus.
*/
void ro_gui_window_initialise(void)
{
/* Build the browser window menu. */
static const struct ns_menu browser_definition = {
"NetSurf", {
{ "Page", BROWSER_PAGE, 0 },
{ "Page.PageInfo",BROWSER_PAGE_INFO, &dialog_pageinfo },
{ "Page.Save", BROWSER_SAVE, &dialog_saveas },
{ "Page.SaveComp", BROWSER_SAVE_COMPLETE, &dialog_saveas },
{ "Page.Export", NO_ACTION, 0 },
#ifdef WITH_DRAW_EXPORT
{ "Page.Export.Draw", BROWSER_EXPORT_DRAW, &dialog_saveas },
#endif
#ifdef WITH_PDF_EXPORT
{ "Page.Export.PDF", BROWSER_EXPORT_PDF, &dialog_saveas },
#endif
{ "Page.Export.Text", BROWSER_EXPORT_TEXT, &dialog_saveas },
{ "Page.SaveURL", NO_ACTION, 0 },
{ "Page.SaveURL.URI", BROWSER_SAVE_URL_URI, &dialog_saveas },
{ "Page.SaveURL.URL", BROWSER_SAVE_URL_URL, &dialog_saveas },
{ "Page.SaveURL.LinkText", BROWSER_SAVE_URL_TEXT, &dialog_saveas },
{ "_Page.Print", BROWSER_PRINT, &dialog_print },
{ "Page.NewWindow", BROWSER_NEW_WINDOW, 0 },
{ "Page.FindText", BROWSER_FIND_TEXT, &dialog_search },
{ "Page.ViewSrc", BROWSER_VIEW_SOURCE, 0 },
{ "Object", BROWSER_OBJECT, 0 },
{ "Object.Object", BROWSER_OBJECT_OBJECT, 0 },
{ "Object.Object.ObjInfo", BROWSER_OBJECT_INFO, &dialog_objinfo },
{ "Object.Object.ObjSave", BROWSER_OBJECT_SAVE, &dialog_saveas },
{ "Object.Object.Export", BROWSER_OBJECT_EXPORT, 0 },
{ "Object.Object.Export.Sprite", BROWSER_OBJECT_EXPORT_SPRITE, &dialog_saveas },
#ifdef WITH_DRAW_EXPORT
{ "Object.Object.Export.ObjDraw", BROWSER_OBJECT_EXPORT_DRAW, &dialog_saveas },
#endif
{ "Object.Object.SaveURL", NO_ACTION, 0 },
{ "Object.Object.SaveURL.URI", BROWSER_OBJECT_SAVE_URL_URI, &dialog_saveas },
{ "Object.Object.SaveURL.URL", BROWSER_OBJECT_SAVE_URL_URL, &dialog_saveas },
{ "Object.Object.SaveURL.LinkText", BROWSER_OBJECT_SAVE_URL_TEXT, &dialog_saveas },
{ "Object.Object.ObjPrint", BROWSER_OBJECT_PRINT, 0 },
{ "Object.Object.ObjReload", BROWSER_OBJECT_RELOAD, 0 },
{ "Object.Link", BROWSER_OBJECT_LINK, 0 },
{ "Object.Link.LinkSave", BROWSER_LINK_SAVE, 0 },
{ "Object.Link.LinkSave.URI", BROWSER_LINK_SAVE_URI, &dialog_saveas },
{ "Object.Link.LinkSave.URL", BROWSER_LINK_SAVE_URL, &dialog_saveas },
{ "Object.Link.LinkSave.LinkText", BROWSER_LINK_SAVE_TEXT, &dialog_saveas },
{ "_Object.Link.LinkDload", BROWSER_LINK_DOWNLOAD, 0 },
{ "Object.Link.LinkNew", BROWSER_LINK_NEW_WINDOW, 0 },
{ "Selection", BROWSER_SELECTION, 0 },
{ "_Selection.SelSave", BROWSER_SELECTION_SAVE, &dialog_saveas },
{ "Selection.Copy", BROWSER_SELECTION_COPY, 0 },
{ "Selection.Cut", BROWSER_SELECTION_CUT, 0 },
{ "_Selection.Paste", BROWSER_SELECTION_PASTE, 0 },
{ "Selection.Clear", BROWSER_SELECTION_CLEAR, 0 },
{ "Selection.SelectAll", BROWSER_SELECTION_ALL, 0 },
{ "Navigate", NO_ACTION, 0 },
{ "Navigate.Home", BROWSER_NAVIGATE_HOME, 0 },
{ "Navigate.Back", BROWSER_NAVIGATE_BACK, 0 },
{ "Navigate.Forward", BROWSER_NAVIGATE_FORWARD, 0 },
{ "_Navigate.UpLevel", BROWSER_NAVIGATE_UP, 0 },
{ "Navigate.Reload", BROWSER_NAVIGATE_RELOAD_ALL, 0 },
{ "Navigate.Stop", BROWSER_NAVIGATE_STOP, 0 },
{ "View", NO_ACTION, 0 },
{ "View.ScaleView", BROWSER_SCALE_VIEW, &dialog_zoom },
{ "View.Images", NO_ACTION, 0 },
{ "View.Images.ForeImg", BROWSER_IMAGES_FOREGROUND, 0 },
{ "View.Images.BackImg", BROWSER_IMAGES_BACKGROUND, 0 },
{ "View.Toolbars", NO_ACTION, 0 },
{ "View.Toolbars.ToolButtons", TOOLBAR_BUTTONS, 0 },
{ "View.Toolbars.ToolAddress", TOOLBAR_ADDRESS_BAR, 0 },
{ "_View.Toolbars.ToolThrob", TOOLBAR_THROBBER, 0 },
{ "View.Toolbars.EditToolbar", TOOLBAR_EDIT, 0 },
{ "_View.Render", NO_ACTION, 0 },
{ "View.Render.RenderAnims", BROWSER_BUFFER_ANIMS, 0 },
{ "View.Render.RenderAll", BROWSER_BUFFER_ALL, 0 },
{ "_View.OptDefault", BROWSER_SAVE_VIEW, 0 },
{ "View.Window", NO_ACTION, 0 },
{ "View.Window.WindowSave", BROWSER_WINDOW_DEFAULT, 0 },
{ "View.Window.WindowStagr", BROWSER_WINDOW_STAGGER, 0 },
{ "_View.Window.WindowSize", BROWSER_WINDOW_COPY, 0 },
{ "View.Window.WindowReset", BROWSER_WINDOW_RESET, 0 },
{ "Utilities", NO_ACTION, 0 },
{ "Utilities.Hotlist", HOTLIST_SHOW, 0 },
{ "Utilities.Hotlist.HotlistAdd", HOTLIST_ADD_URL, 0 },
{ "Utilities.Hotlist.HotlistShow", HOTLIST_SHOW, 0 },
{ "Utilities.History", HISTORY_SHOW_GLOBAL, 0 },
{ "Utilities.History.HistLocal", HISTORY_SHOW_LOCAL, 0 },
{ "Utilities.History.HistGlobal", HISTORY_SHOW_GLOBAL, 0 },
{ "Utilities.Cookies", COOKIES_SHOW, 0 },
{ "Utilities.Cookies.ShowCookies", COOKIES_SHOW, 0 },
{ "Utilities.Cookies.DeleteCookies", COOKIES_DELETE, 0 },
{ "Help", HELP_OPEN_CONTENTS, 0 },
{ "Help.HelpContent", HELP_OPEN_CONTENTS, 0 },
{ "Help.HelpGuide", HELP_OPEN_GUIDE, 0 },
{ "_Help.HelpInfo", HELP_OPEN_INFORMATION, 0 },
{ "Help.HelpCredits", HELP_OPEN_CREDITS, 0 },
{ "_Help.HelpLicence", HELP_OPEN_LICENCE, 0 },
{ "Help.HelpInter", HELP_LAUNCH_INTERACTIVE, 0 },
{NULL, 0, 0}
}
};
ro_gui_browser_window_menu =
ro_gui_menu_define_menu(&browser_definition);
}
/*
* Interface With Core
*/
/**
* Create and open a new browser window.
*
* \param bw browser_window structure to update
* \param clone the browser window to clone options from, or NULL for default
* \return gui_window, or 0 on error and error reported
*/
struct gui_window *gui_create_browser_window(struct browser_window *bw,
struct browser_window *clone, bool new_tab)
{
int screen_width, screen_height, win_width, win_height, scroll_width;
static int window_count = 2;
wimp_window window;
wimp_window_state state;
os_error *error;
bool open_centred = true;
struct gui_window *g;
struct browser_window *top;
g = malloc(sizeof *g);
if (!g) {
warn_user("NoMemory", 0);
return 0;
}
g->bw = bw;
g->toolbar = 0;
g->status_bar = 0;
g->old_width = 0;
g->old_height = 0;
g->update_extent = true;
strcpy(g->title, "NetSurf");
g->iconise_icon = -1;
/* Set the window position */
if (clone && clone->window && nsoption_bool(window_size_clone)) {
for (top = clone; top->parent; top = top->parent);
state.w = top->window->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
window.visible.x0 = state.visible.x0;
window.visible.x1 = state.visible.x1;
window.visible.y0 = state.visible.y0 - 48;
window.visible.y1 = state.visible.y1 - 48;
open_centred = false;
} else {
ro_gui_screen_size(&screen_width, &screen_height);
/* Check if we have a preferred position */
if ((nsoption_int(window_screen_width) != 0) &&
(nsoption_int(window_screen_height) != 0)) {
win_width = (nsoption_int(window_width) * screen_width) /
nsoption_int(window_screen_width);
win_height = (nsoption_int(window_height) * screen_height) /
nsoption_int(window_screen_height);
window.visible.x0 = (nsoption_int(window_x) * screen_width) /
nsoption_int(window_screen_width);
window.visible.y0 = (nsoption_int(window_y) * screen_height) /
nsoption_int(window_screen_height);
if (nsoption_bool(window_stagger)) {
window.visible.y0 += 96 -
(48 * (window_count % 5));
}
open_centred = false;
if (win_width < 100)
win_width = 100;
if (win_height < 100)
win_height = 100;
} else {
/* Base how we define the window height/width
on the compile time options set */
win_width = screen_width * 3 / 4;
if (1600 < win_width)
win_width = 1600;
win_height = win_width * 3 / 4;
window.visible.x0 = (screen_width - win_width) / 2;
window.visible.y0 = ((screen_height - win_height) / 2) +
96 - (48 * (window_count % 5));
}
window.visible.x1 = window.visible.x0 + win_width;
window.visible.y1 = window.visible.y0 + win_height;
}
/* General flags for a non-movable, non-resizable, no-title bar window */
window.xscroll = 0;
window.yscroll = 0;
window.next = wimp_TOP;
window.flags = wimp_WINDOW_MOVEABLE |
wimp_WINDOW_NEW_FORMAT |
wimp_WINDOW_VSCROLL |
wimp_WINDOW_HSCROLL |
wimp_WINDOW_IGNORE_XEXTENT |
wimp_WINDOW_IGNORE_YEXTENT |
wimp_WINDOW_SCROLL_REPEAT;
window.title_fg = wimp_COLOUR_BLACK;
window.title_bg = wimp_COLOUR_LIGHT_GREY;
window.work_fg = wimp_COLOUR_LIGHT_GREY;
window.work_bg = wimp_COLOUR_TRANSPARENT;
window.scroll_outer = wimp_COLOUR_DARK_GREY;
window.scroll_inner = wimp_COLOUR_MID_LIGHT_GREY;
window.highlight_bg = wimp_COLOUR_CREAM;
window.extra_flags = wimp_WINDOW_USE_EXTENDED_SCROLL_REQUEST |
wimp_WINDOW_GIVE_SHADED_ICON_INFO;
window.extent.x0 = 0;
window.extent.y0 = -(window.visible.y1 - window.visible.y0);
window.extent.x1 = window.visible.x1 - window.visible.x0;
window.extent.y1 = 0;
window.title_flags = wimp_ICON_TEXT |
wimp_ICON_INDIRECTED |
wimp_ICON_HCENTRED;
window.work_flags = wimp_BUTTON_CLICK_DRAG <<
wimp_ICON_BUTTON_TYPE_SHIFT;
window.sprite_area = wimpspriteop_AREA;
window.xmin = 1;
window.ymin = 1;
window.title_data.indirected_text.text = g->title;
window.title_data.indirected_text.validation = (char *) -1;
window.title_data.indirected_text.size = 255;
window.icon_count = 0;
/* Add in flags */
window.flags |= wimp_WINDOW_SIZE_ICON |
wimp_WINDOW_BACK_ICON |
wimp_WINDOW_CLOSE_ICON |
wimp_WINDOW_TITLE_ICON |
wimp_WINDOW_TOGGLE_ICON;
if (open_centred) {
scroll_width = ro_get_vscroll_width(NULL);
window.visible.x0 -= scroll_width;
}
error = xwimp_create_window(&window, &g->window);
if (error) {
LOG(("xwimp_create_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
free(g);
return 0;
}
/* Link into window list */
g->prev = 0;
g->next = window_list;
if (window_list)
window_list->prev = g;
window_list = g;
window_count++;
/* Add in a toolbar and status bar */
g->status_bar = ro_gui_status_bar_create(g->window,
nsoption_int(toolbar_status_width));
g->toolbar = ro_toolbar_create(NULL, g->window,
THEME_STYLE_BROWSER_TOOLBAR, TOOLBAR_FLAGS_NONE,
&ro_gui_window_toolbar_callbacks, g,
"HelpToolbar");
if (g->toolbar != NULL) {
ro_toolbar_add_buttons(g->toolbar,
brower_toolbar_buttons,
nsoption_charp(toolbar_browser));
ro_toolbar_add_url(g->toolbar);
ro_toolbar_add_throbber(g->toolbar);
ro_toolbar_rebuild(g->toolbar);
}
/* Register event handlers. Do this quickly, as some of the things
* that follow will indirectly look up our user data: this MUST
* be set first!
*/
ro_gui_wimp_event_set_user_data(g->window, g);
ro_gui_wimp_event_register_open_window(g->window, ro_gui_window_open);
ro_gui_wimp_event_register_close_window(g->window, ro_gui_window_close);
ro_gui_wimp_event_register_redraw_window(g->window, ro_gui_window_redraw);
ro_gui_wimp_event_register_scroll_window(g->window, ro_gui_window_scroll);
ro_gui_wimp_event_register_keypress(g->window, ro_gui_window_keypress);
ro_gui_wimp_event_register_mouse_click(g->window, ro_gui_window_click);
ro_gui_wimp_event_register_menu(g->window, ro_gui_browser_window_menu,
true, false);
ro_gui_wimp_event_register_menu_prepare(g->window,
ro_gui_window_menu_prepare);
ro_gui_wimp_event_register_menu_selection(g->window,
ro_gui_window_menu_select);
ro_gui_wimp_event_register_menu_warning(g->window,
ro_gui_window_menu_warning);
ro_gui_wimp_event_register_menu_close(g->window,
ro_gui_window_menu_close);
/* Set the window options */
bw->window = g;
ro_gui_window_clone_options(bw, clone);
ro_gui_window_update_toolbar_buttons(g);
/* Open the window at the top of the stack */
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return g;
}
state.next = wimp_TOP;
ro_gui_window_open(PTR_WIMP_OPEN(&state));
/* Claim the caret */
if (ro_toolbar_take_caret(g->toolbar))
ro_gui_url_complete_start(g->toolbar);
else
gui_window_place_caret(g, -100, -100, 0);
return g;
}
/**
* Close a browser window and free any related resources.
*
* \param g gui_window to destroy
*/
void gui_window_destroy(struct gui_window *g)
{
os_error *error;
wimp_w w;
assert(g);
/* stop any tracking */
if (gui_track_gui_window == g) {
gui_track_gui_window = NULL;
gui_current_drag_type = GUI_DRAG_NONE;
}
/* remove from list */
if (g->prev)
g->prev->next = g->next;
else
window_list = g->next;
if (g->next)
g->next->prev = g->prev;
/* destroy toolbar */
if (g->toolbar)
ro_toolbar_destroy(g->toolbar);
if (g->status_bar)
ro_gui_status_bar_destroy(g->status_bar);
w = g->window;
ro_gui_url_complete_close();
ro_gui_dialog_close_persistent(w);
if (current_menu_window == w)
ro_gui_menu_closed();
ro_gui_window_remove_update_boxes(g);
/* delete window */
error = xwimp_delete_window(w);
if (error) {
LOG(("xwimp_delete_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
ro_gui_wimp_event_finalise(w);
free(g);
}
/**
* Set the title of a browser window.
*
* \param g gui_window to update
* \param title new window title, copied
*/
void gui_window_set_title(struct gui_window *g, const char *title)
{
int scale_disp;
assert(g);
assert(title);
if (g->bw->scale != 1.0) {
scale_disp = g->bw->scale * 100;
if (ABS((float)scale_disp - g->bw->scale * 100) >= 0.05)
snprintf(g->title, sizeof g->title, "%s (%.1f%%)",
title, g->bw->scale * 100);
else
snprintf(g->title, sizeof g->title, "%s (%i%%)",
title, scale_disp);
} else {
strncpy(g->title, title, sizeof g->title);
}
ro_gui_set_window_title(g->window, g->title);
}
/**
* Force a redraw of the entire contents of a browser window.
*
* \param g gui_window to redraw
*/
void gui_window_redraw_window(struct gui_window *g)
{
wimp_window_info info;
os_error *error;
assert(g);
info.w = g->window;
error = xwimp_get_window_info_header_only(&info);
if (error) {
LOG(("xwimp_get_window_info_header_only: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
error = xwimp_force_redraw(g->window, info.extent.x0, info.extent.y0,
info.extent.x1, info.extent.y1);
if (error) {
LOG(("xwimp_force_redraw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
/**
* Redraw an area of a window.
*
* \param g gui_window
* \param data content_msg_data union with filled in redraw data
*/
void gui_window_update_box(struct gui_window *g, const struct rect *rect)
{
bool use_buffer;
int x0, y0, x1, y1;
struct update_box *cur;
x0 = floorf(rect->x0 * 2 * g->bw->scale);
y0 = -ceilf(rect->y1 * 2 * g->bw->scale);
x1 = ceilf(rect->x1 * 2 * g->bw->scale) + 1;
y1 = -floorf(rect->y0 * 2 * g->bw->scale) + 1;
use_buffer =
(g->option.buffer_everything || g->option.buffer_animations);
/* try to optimise buffered redraws */
if (use_buffer) {
for (cur = pending_updates; cur != NULL; cur = cur->next) {
if ((cur->g != g) || (!cur->use_buffer))
continue;
if ((((cur->x0 - x1) < MARGIN) || ((cur->x1 - x0) < MARGIN)) &&
(((cur->y0 - y1) < MARGIN) || ((cur->y1 - y0) < MARGIN))) {
cur->x0 = min(cur->x0, x0);
cur->y0 = min(cur->y0, y0);
cur->x1 = max(cur->x1, x1);
cur->y1 = max(cur->y1, y1);
return;
}
}
}
cur = malloc(sizeof(struct update_box));
if (!cur) {
LOG(("No memory for malloc."));
warn_user("NoMemory", 0);
return;
}
cur->x0 = x0;
cur->y0 = y0;
cur->x1 = x1;
cur->y1 = y1;
cur->next = pending_updates;
pending_updates = cur;
cur->g = g;
cur->use_buffer = use_buffer;
}
/**
* Get the scroll position of a browser window.
*
* \param g gui_window
* \param sx receives x ordinate of point at top-left of window
* \param sy receives y ordinate of point at top-left of window
* \return true iff successful
*/
bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
wimp_window_state state;
os_error *error;
int toolbar_height = 0;
assert(g);
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
if (g->toolbar)
toolbar_height = ro_toolbar_full_height(g->toolbar);
*sx = state.xscroll / (2 * g->bw->scale);
*sy = -(state.yscroll - toolbar_height) / (2 * g->bw->scale);
return true;
}
/**
* Set the scroll position of a browser window.
*
* \param g gui_window to scroll
* \param sx point to place at top-left of window
* \param sy point to place at top-left of window
*/
void gui_window_set_scroll(struct gui_window *g, int sx, int sy)
{
wimp_window_state state;
os_error *error;
assert(g);
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
state.xscroll = sx * 2 * g->bw->scale;
state.yscroll = -sy * 2 * g->bw->scale;
if (g->toolbar)
state.yscroll += ro_toolbar_full_height(g->toolbar);
ro_gui_window_open(PTR_WIMP_OPEN(&state));
}
/**
* Scrolls the specified area of a browser window into view.
*
* \param g gui_window to scroll
* \param x0 left point to ensure visible
* \param y0 bottom point to ensure visible
* \param x1 right point to ensure visible
* \param y1 top point to ensure visible
*/
void gui_window_scroll_visible(struct gui_window *g, int x0, int y0, int x1, int y1)
{
wimp_window_state state;
os_error *error;
int cx0, cy0, width, height;
int padding_available;
int toolbar_height = 0;
int correction;
assert(g);
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (g->toolbar)
toolbar_height = ro_toolbar_full_height(g->toolbar);
x0 = x0 * 2 * g->bw->scale;
y0 = y0 * 2 * g->bw->scale;
x1 = x1 * 2 * g->bw->scale;
y1 = y1 * 2 * g->bw->scale;
cx0 = state.xscroll;
cy0 = -state.yscroll + toolbar_height;
width = state.visible.x1 - state.visible.x0;
height = state.visible.y1 - state.visible.y0 - toolbar_height;
/* make sure we're visible */
correction = (x1 - cx0 - width);
if (correction > 0)
cx0 += correction;
correction = (y1 - cy0 - height);
if (correction > 0)
cy0 += correction;
if (x0 < cx0)
cx0 = x0;
if (y0 < cy0)
cy0 = y0;
/* try to give a SCROLL_VISIBLE_PADDING border of space around us */
padding_available = (width - x1 + x0) / 2;
if (padding_available > 0) {
if (padding_available > SCROLL_VISIBLE_PADDING)
padding_available = SCROLL_VISIBLE_PADDING;
correction = (cx0 + width - x1);
if (correction < padding_available)
cx0 += padding_available;
correction = (x0 - cx0);
if (correction < padding_available)
cx0 -= padding_available;
}
padding_available = (height - y1 + y0) / 2;
if (padding_available > 0) {
if (padding_available > SCROLL_VISIBLE_PADDING)
padding_available = SCROLL_VISIBLE_PADDING;
correction = (cy0 + height - y1);
if (correction < padding_available)
cy0 += padding_available;
correction = (y0 - cy0);
if (correction < padding_available)
cy0 -= padding_available;
}
state.xscroll = cx0;
state.yscroll = -cy0 + toolbar_height;
ro_gui_window_open(PTR_WIMP_OPEN(&state));
}
/**
* Find the current dimensions of a browser window's content area.
*
* \param g gui_window to measure
* \param width receives width of window
* \param height receives height of window
* \param scaled whether to return scaled values
*/
void gui_window_get_dimensions(struct gui_window *g, int *width, int *height, bool scaled)
{
/* use the cached window sizes */
*width = g->old_width / 2;
*height = g->old_height / 2;
if (scaled) {
*width /= g->bw->scale;
*height /= g->bw->scale;
}
}
/**
* Update the extent of the inside of a browser window to that of the
* current content.
*
* \param g gui_window to update the extent of
*/
void gui_window_update_extent(struct gui_window *g)
{
os_error *error;
wimp_window_info info;
wimp_window_state state;
bool update;
unsigned int flags;
int scroll = 0;
assert(g);
info.w = g->window;
error = xwimp_get_window_info_header_only(&info);
if (error) {
LOG(("xwimp_get_window_info_header_only: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* scroll on toolbar height change */
if (g->toolbar) {
scroll = ro_toolbar_height(g->toolbar) - info.extent.y1;
info.yscroll += scroll;
}
/* only allow a further reformat if we've gained/lost scrollbars */
flags = info.flags & (wimp_WINDOW_HSCROLL | wimp_WINDOW_VSCROLL);
update = g->bw->reformat_pending;
g->update_extent = true;
ro_gui_window_open(PTR_WIMP_OPEN(&info));
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (flags == (state.flags & (wimp_WINDOW_HSCROLL | wimp_WINDOW_VSCROLL)))
g->bw->reformat_pending = update;
}
/**
* Set the status bar of a browser window.
*
* \param g gui_window to update
* \param text new status text
*/
void gui_window_set_status(struct gui_window *g, const char *text)
{
if (g->status_bar)
ro_gui_status_bar_set_text(g->status_bar, text);
}
/**
* Change mouse pointer shape
*/
void gui_window_set_pointer(struct gui_window *g, gui_pointer_shape shape)
{
static gui_pointer_shape curr_pointer = GUI_POINTER_DEFAULT;
struct ro_gui_pointer_entry *entry;
os_error *error;
if (shape == curr_pointer)
return;
assert(shape < sizeof ro_gui_pointer_table /
sizeof ro_gui_pointer_table[0]);
entry = &ro_gui_pointer_table[shape];
if (entry->wimp_area) {
/* pointer in the Wimp's sprite area */
error = xwimpspriteop_set_pointer_shape(entry->sprite_name,
1, entry->xactive, entry->yactive, 0, 0);
if (error) {
LOG(("xwimpspriteop_set_pointer_shape: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
} else {
/* pointer in our own sprite area */
error = xosspriteop_set_pointer_shape(osspriteop_USER_AREA,
gui_sprites,
(osspriteop_id) entry->sprite_name,
1, entry->xactive, entry->yactive, 0, 0);
if (error) {
LOG(("xosspriteop_set_pointer_shape: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
curr_pointer = shape;
}
/**
* Remove the mouse pointer from the screen
*/
void gui_window_hide_pointer(struct gui_window *g)
{
os_error *error;
error = xwimpspriteop_set_pointer_shape(NULL, 0x30, 0, 0, 0, 0);
if (error) {
LOG(("xwimpspriteop_set_pointer_shape: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
/**
* Set the contents of a window's address bar.
*
* \param g gui_window to update
* \param url new url for address bar
*/
void gui_window_set_url(struct gui_window *g, const char *url)
{
if (!g->toolbar)
return;
ro_toolbar_set_url(g->toolbar, url, true, false);
ro_gui_url_complete_start(g->toolbar);
}
/**
* Update the interface to reflect start of page loading.
*
* \param g window with start of load
*/
void gui_window_start_throbber(struct gui_window *g)
{
ro_gui_window_update_toolbar_buttons(g);
ro_gui_menu_refresh(ro_gui_browser_window_menu);
if (g->toolbar != NULL)
ro_toolbar_start_throbbing(g->toolbar);
}
/**
* Update the interface to reflect page loading stopped.
*
* \param g window with start of load
*/
void gui_window_stop_throbber(struct gui_window *g)
{
ro_gui_window_update_toolbar_buttons(g);
ro_gui_menu_refresh(ro_gui_browser_window_menu);
if (g->toolbar != NULL)
ro_toolbar_stop_throbbing(g->toolbar);
}
/**
* set favicon
*/
void gui_window_set_icon(struct gui_window *g, hlcache_handle *icon)
{
if (g == NULL || g->toolbar == NULL)
return;
ro_toolbar_set_site_favicon(g->toolbar, icon);
}
/**
* set gui display of a retrieved favicon representing the search provider
* \param ico may be NULL for local calls; then access current cache from
* search_web_ico()
*/
void gui_window_set_search_ico(hlcache_handle *ico)
{
}
/**
* Place the caret in a browser window.
*
* \param g window with caret
* \param x coordinates of caret
* \param y coordinates of caret
* \param height height of caret
*/
void gui_window_place_caret(struct gui_window *g, int x, int y, int height)
{
os_error *error;
error = xwimp_set_caret_position(g->window, -1,
x * 2, -(y + height) * 2, height * 2, -1);
if (error) {
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
/**
* Remove the caret, if present.
*
* \param g window with caret
*/
void gui_window_remove_caret(struct gui_window *g)
{
wimp_caret caret;
os_error *error;
error = xwimp_get_caret_position(&caret);
if (error) {
LOG(("xwimp_get_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (caret.w != g->window)
/* we don't have the caret: do nothing */
return;
/* hide caret, but keep input focus */
gui_window_place_caret(g, -100, -100, 0);
}
/**
* Called when the gui_window has new content.
*
* \param g the gui_window that has new content
*/
void gui_window_new_content(struct gui_window *g)
{
ro_gui_menu_refresh(ro_gui_browser_window_menu);
ro_gui_window_update_toolbar_buttons(g);
ro_gui_dialog_close_persistent(g->window);
ro_toolbar_set_content_favicon(g->toolbar, g->bw->current_content);
}
/**
* Starts drag scrolling of a browser window
*
* \param gw gui window
*/
bool gui_window_scroll_start(struct gui_window *g)
{
wimp_window_info_base info;
wimp_pointer pointer;
os_error *error;
wimp_drag drag;
int height;
int width;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
info.w = g->window;
error = xwimp_get_window_info_header_only((wimp_window_info*)&info);
if (error) {
LOG(("xwimp_get_window_state: 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
width = info.extent.x1 - info.extent.x0;
height = info.extent.y1 - info.extent.y0;
drag.type = wimp_DRAG_USER_POINT;
drag.bbox.x1 = pointer.pos.x + info.xscroll;
drag.bbox.y0 = pointer.pos.y + info.yscroll;
drag.bbox.x0 = drag.bbox.x1 - (width - (info.visible.x1 - info.visible.x0));
drag.bbox.y1 = drag.bbox.y0 + (height - (info.visible.y1 - info.visible.y0));
if (g->toolbar) {
int tbar_height = ro_toolbar_full_height(g->toolbar);
drag.bbox.y0 -= tbar_height;
drag.bbox.y1 -= tbar_height;
}
error = xwimp_drag_box(&drag);
if (error) {
LOG(("xwimp_drag_box: 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
gui_track_gui_window = g;
gui_current_drag_type = GUI_DRAG_SCROLL;
return true;
}
/**
* Platform-dependent part of starting drag operation.
*
* \param g gui window containing the drag
* \param type type of drag the core is performing
* \param rect rectangle to constrain pointer to (relative to drag start coord)
* \return true iff succesful
*/
bool gui_window_drag_start(struct gui_window *g, gui_drag_type type,
const struct rect *rect)
{
wimp_pointer pointer;
os_error *error;
wimp_drag drag;
if (rect != NULL) {
/* We have a box to constrain the pointer to, for the drag
* duration */
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
drag.type = wimp_DRAG_USER_POINT;
drag.bbox.x0 = pointer.pos.x +
(int)(rect->x0 * 2 * g->bw->scale);
drag.bbox.y0 = pointer.pos.y +
(int)(rect->y0 * 2 * g->bw->scale);
drag.bbox.x1 = pointer.pos.x +
(int)(rect->x1 * 2 * g->bw->scale);
drag.bbox.y1 = pointer.pos.y +
(int)(rect->y1 * 2 * g->bw->scale);
error = xwimp_drag_box(&drag);
if (error) {
LOG(("xwimp_drag_box: 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
}
switch (type) {
case GDRAGGING_SCROLLBAR:
/* Dragging a core scrollbar */
gui_current_drag_type = GUI_DRAG_SCROLL;
break;
default:
/* Not handled here yet */
break;
}
return true;
}
/**
* Save the specified content as a link.
*
* \param g gui_window containing the content
* \param c the content to save
*/
void gui_window_save_link(struct gui_window *g, const char *url,
const char *title)
{
ro_gui_save_prepare(GUI_SAVE_LINK_URL, NULL, NULL, url, title);
ro_gui_dialog_open_persistent(g->window, dialog_saveas, true);
}
/**
* Updates a windows extent.
*
* \param g the gui_window to update
* \param width the minimum width, or -1 to use window width
* \param height the minimum height, or -1 to use window height
*/
void gui_window_set_extent(struct gui_window *g, int width, int height)
{
int screen_width;
int toolbar_height = 0;
hlcache_handle *h;
wimp_window_state state;
os_error *error;
h = g->bw->current_content;
if (g->toolbar)
toolbar_height = ro_toolbar_full_height(g->toolbar);
/* get the current state */
if ((height == -1) || (width == -1)) {
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (width == -1)
width = state.visible.x1 - state.visible.x0;
if (height == -1) {
height = state.visible.y1 - state.visible.y0;
height -= toolbar_height;
}
}
/* the top-level framed window is a total pain. to get it to maximise
* to the top of the screen we need to fake it having a suitably large
* extent */
if (g->bw->children) {
ro_gui_screen_size(&screen_width, &height);
if (g->toolbar)
height -= ro_toolbar_full_height(g->toolbar);
height -= ro_get_hscroll_height(g->window);
height -= ro_get_title_height(g->window);
}
if (h) {
width = max(width, content_get_width(h) * 2 * g->bw->scale);
height = max(height, content_get_height(h) * 2 * g->bw->scale);
}
os_box extent = { 0, -height, width, toolbar_height };
error = xwimp_set_extent(g->window, &extent);
if (error) {
LOG(("xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
}
/**
* Display a menu of options for a form select control.
*
* \param bw browser window containing form control
* \param control form control of type GADGET_SELECT
*/
void gui_create_form_select_menu(struct browser_window *bw,
struct form_control *control)
{
os_error *error;
wimp_pointer pointer;
/* The first time the menu is opened, control bypasses the normal
* Menu Prepare event and so we prepare here. On any re-opens,
* ro_gui_window_prepare_form_select_menu() is called from the
* normal wimp event.
*/
if (!ro_gui_window_prepare_form_select_menu(bw, control))
return;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
ro_gui_menu_closed();
return;
}
bw = browser_window_get_root(bw);
gui_form_select_control = control;
ro_gui_menu_create(gui_form_select_menu,
pointer.pos.x, pointer.pos.y, bw->window->window);
}
/*
* RISC OS Wimp Event Handlers
*/
/**
* Handle a Redraw_Window_Request for a browser window.
*/
void ro_gui_window_redraw(wimp_draw *redraw)
{
osbool more;
struct gui_window *g = (struct gui_window *)ro_gui_wimp_event_get_user_data(redraw->w);
os_error *error;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &ro_plotters
};
/* We can't render locked contents. If the browser window is not
* ready for redraw, do nothing. Else, in the case of buffered
* rendering we'll show random data. */
if (!browser_window_redraw_ready(g->bw))
return;
ro_gui_current_redraw_gui = g;
error = xwimp_redraw_window(redraw, &more);
if (error) {
LOG(("xwimp_redraw_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
while (more) {
struct rect clip;
/* OS's redraw request coordinates are in screen coordinates,
* with an origin at the bottom left of the screen.
* Find the coordinate of the top left of the document in terms
* of OS screen coordinates.
* NOTE: OS units are 2 per px. */
ro_plot_origin_x = redraw->box.x0 - redraw->xscroll;
ro_plot_origin_y = redraw->box.y1 - redraw->yscroll;
/* Convert OS redraw rectangle request coordinates into NetSurf
* coordinates. NetSurf coordinates have origin at top left of
* document and units are in px. */
clip.x0 = (redraw->clip.x0 - ro_plot_origin_x) / 2; /* left */
clip.y0 = (ro_plot_origin_y - redraw->clip.y1) / 2; /* top */
clip.x1 = (redraw->clip.x1 - ro_plot_origin_x) / 2; /* right */
clip.y1 = (ro_plot_origin_y - redraw->clip.y0) / 2; /* bottom */
if (ro_gui_current_redraw_gui->option.buffer_everything)
ro_gui_buffer_open(redraw);
browser_window_redraw(g->bw, 0, 0, &clip, &ctx);
if (ro_gui_current_redraw_gui->option.buffer_everything)
ro_gui_buffer_close();
/* Check to see if there are more rectangles to draw and
* get next one */
error = xwimp_get_rectangle(redraw, &more);
/* RISC OS 3.7 returns an error here if enough buffer was
claimed to cause a new dynamic area to be created. It
doesn't actually stop anything working, so we mask it out
for now until a better fix is found. This appears to be a
bug in RISC OS. */
if (error && !(ro_gui_current_redraw_gui->
option.buffer_everything &&
error->errnum == error_WIMP_GET_RECT)) {
LOG(("xwimp_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
ro_gui_current_redraw_gui = NULL;
return;
}
}
ro_gui_current_redraw_gui = NULL;
}
/**
* Open a window using the given wimp_open, handling toolbars and resizing.
*/
void ro_gui_window_open(wimp_open *open)
{
struct gui_window *g = (struct gui_window *)ro_gui_wimp_event_get_user_data(open->w);
int width = open->visible.x1 - open->visible.x0;
int height = open->visible.y1 - open->visible.y0;
int size, fheight, fwidth, toolbar_height = 0;
bool no_vscroll, no_hscroll;
float new_scale = 0;
hlcache_handle *h;
wimp_window_state state;
os_error *error;
wimp_w parent;
bits linkage;
if (open->next == wimp_TOP && g->iconise_icon >= 0) {
/* window is no longer iconised, release its sprite number */
iconise_used[g->iconise_icon] = false;
g->iconise_icon = -1;
}
h = g->bw->current_content;
/* get the current flags/nesting state */
state.w = g->window;
error = xwimp_get_window_state_and_nesting(&state, &parent, &linkage);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* account for toolbar height, if present */
if (g->toolbar)
toolbar_height = ro_toolbar_full_height(g->toolbar);
height -= toolbar_height;
/* work with the state from now on so we can modify flags */
state.visible = open->visible;
state.xscroll = open->xscroll;
state.yscroll = open->yscroll;
state.next = open->next;
/* handle 'auto' scroll bars' and non-fitting scrollbar removal */
if ((g->bw->scrolling == SCROLLING_AUTO) ||
(g->bw->scrolling == SCROLLING_YES)) {
/* windows lose scrollbars when containing a frameset */
no_hscroll = false;
no_vscroll = g->bw->children;
/* hscroll */
size = ro_get_hscroll_height(NULL);
if (g->bw->border)
size -= 2;
fheight = height;
if (state.flags & wimp_WINDOW_HSCROLL)
fheight += size;
if (!no_hscroll) {
if (!(state.flags & wimp_WINDOW_HSCROLL)) {
height -= size;
state.visible.y0 += size;
if (h) {
g->bw->reformat_pending = true;
browser_reformat_pending = true;
}
}
state.flags |= wimp_WINDOW_HSCROLL;
} else {
if (state.flags & wimp_WINDOW_HSCROLL) {
height += size;
state.visible.y0 -= size;
if (h) {
g->bw->reformat_pending = true;
browser_reformat_pending = true;
}
}
state.flags &= ~wimp_WINDOW_HSCROLL;
}
/* vscroll */
size = ro_get_vscroll_width(NULL);
if (g->bw->border)
size -= 2;
fwidth = width;
if (state.flags & wimp_WINDOW_VSCROLL)
fwidth += size;
if (!no_vscroll) {
if (!(state.flags & wimp_WINDOW_VSCROLL)) {
width -= size;
state.visible.x1 -= size;
if (h) {
g->bw->reformat_pending = true;
browser_reformat_pending = true;
}
}
state.flags |= wimp_WINDOW_VSCROLL;
} else {
if (state.flags & wimp_WINDOW_VSCROLL) {
width += size;
state.visible.x1 += size;
if (h) {
g->bw->reformat_pending = true;
browser_reformat_pending = true;
}
}
state.flags &= ~wimp_WINDOW_VSCROLL;
}
}
/* reformat or change extent if necessary */
if ((h) && (g->old_width != width || g->old_height != height)) {
/* Ctrl-resize of a top-level window scales the content size */
if ((g->old_width > 0) && (g->old_width != width) &&
(ro_gui_ctrl_pressed()))
new_scale = (g->bw->scale * width) / g->old_width;
g->bw->reformat_pending = true;
browser_reformat_pending = true;
}
if (g->update_extent || g->old_width != width ||
g->old_height != height) {
g->old_width = width;
g->old_height = height;
g->update_extent = false;
gui_window_set_extent(g, width, height);
}
/* first resize stops any flickering by making the URL window on top */
ro_gui_url_complete_resize(g->toolbar, PTR_WIMP_OPEN(&state));
/* Windows containing framesets can only be scrolled via the core, which
* is implementing frame scrollbars itself. The x and y offsets are
* therefore fixed.
*/
if (g->bw->children != NULL) {
state.xscroll = 0;
state.yscroll = toolbar_height;
}
error = xwimp_open_window_nested_with_flags(&state, parent, linkage);
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* update the toolbar */
if (g->status_bar)
ro_gui_status_bar_resize(g->status_bar);
if (g->toolbar) {
ro_toolbar_process(g->toolbar, -1, false);
/* second resize updates to the new URL bar width */
ro_gui_url_complete_resize(g->toolbar, open);
}
/* set the new scale from a ctrl-resize. this must be done at the end as
* it may cause a frameset recalculation based on the new window size.
*/
if (new_scale > 0)
browser_window_set_scale(g->bw, new_scale, true);
}
/**
* Handle wimp closing event
*/
void ro_gui_window_close(wimp_w w)
{
struct gui_window *g = (struct gui_window *)ro_gui_wimp_event_get_user_data(w);
wimp_pointer pointer;
os_error *error;
char *temp_name, *r;
char *filename;
hlcache_handle *h = NULL;
bool destroy;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (g->bw)
h = g->bw->current_content;
if (pointer.buttons & wimp_CLICK_ADJUST) {
destroy = !ro_gui_shift_pressed();
filename = (h && hlcache_handle_get_url(h)) ?
url_to_path(nsurl_access(hlcache_handle_get_url(h))) :
NULL;
if (filename) {
temp_name = malloc(strlen(filename) + 32);
if (temp_name) {
sprintf(temp_name, "Filer_OpenDir %s",
filename);
r = temp_name + strlen(temp_name);
while (r > temp_name) {
if (*r == '.') {
*r = '\0';
break;
}
r--;
}
error = xos_cli(temp_name);
if (error) {
LOG(("xos_cli: 0x%x: %s",
error->errnum,
error->errmess));
warn_user("MiscError", error->errmess);
return;
}
free(temp_name);
}
free(filename);
} else {
/* this is pointless if we are about to close the
* window */
if (!destroy && g->bw != NULL &&
g->bw->current_content != NULL)
ro_gui_window_navigate_up(g->bw->window,
nsurl_access(hlcache_handle_get_url(
g->bw->current_content)));
}
}
else
destroy = true;
if (destroy)
browser_window_destroy(g->bw);
}
/**
* Handle Mouse_Click events in a browser window. This should never see
* Menu clicks, as these will be routed to the menu handlers.
*
* \param *pointer details of mouse click
* \return true if click handled, false otherwise
*/
bool ro_gui_window_click(wimp_pointer *pointer)
{
struct gui_window *g;
os_coord pos;
/* We should never see Menu clicks. */
if (pointer->buttons == wimp_CLICK_MENU)
return false;
g = (struct gui_window *) ro_gui_wimp_event_get_user_data(pointer->w);
/* try to close url-completion */
ro_gui_url_complete_close();
/* set input focus */
if (pointer->buttons == wimp_CLICK_SELECT ||
pointer->buttons == wimp_CLICK_ADJUST)
gui_window_place_caret(g, -100, -100, 0);
if (ro_gui_window_to_window_pos(g, pointer->pos.x, pointer->pos.y, &pos))
browser_window_mouse_click(g->bw,
ro_gui_mouse_click_state(pointer->buttons,
wimp_BUTTON_CLICK_DRAG),
pos.x, pos.y);
return true;
}
/**
* Process Key_Pressed events in a browser window.
*
* \param *key The wimp keypress block for the event.
* \return true if the event was handled, else false.
*/
bool ro_gui_window_keypress(wimp_key *key)
{
struct gui_window *g;
hlcache_handle *h;
os_error *error;
wimp_pointer pointer;
uint32_t c = (uint32_t) key->c;
g = (struct gui_window *) ro_gui_wimp_event_get_user_data(key->w);
if (g == NULL)
return false;
h = g->bw->current_content;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s\n",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
/* First send the key to the browser window, eg. form fields. */
if ((unsigned)c < 0x20 || (0x7f <= c && c <= 0x9f) ||
(c & IS_WIMP_KEY)) {
/* Munge control keys into unused control chars */
/* We can't map onto 1->26 (reserved for ctrl+<qwerty>
That leaves 27->31 and 128->159 */
switch (c & ~IS_WIMP_KEY) {
case wimp_KEY_TAB: c = 9; break;
case wimp_KEY_SHIFT | wimp_KEY_TAB: c = 11; break;
/* cursor movement keys */
case wimp_KEY_HOME:
case wimp_KEY_CONTROL | wimp_KEY_LEFT:
c = KEY_LINE_START;
break;
case wimp_KEY_END:
if (os_version >= RISCOS5)
c = KEY_LINE_END;
else
c = KEY_DELETE_RIGHT;
break;
case wimp_KEY_CONTROL | wimp_KEY_RIGHT: c = KEY_LINE_END; break;
case wimp_KEY_CONTROL | wimp_KEY_UP: c = KEY_TEXT_START; break;
case wimp_KEY_CONTROL | wimp_KEY_DOWN: c = KEY_TEXT_END; break;
case wimp_KEY_SHIFT | wimp_KEY_LEFT: c = KEY_WORD_LEFT ; break;
case wimp_KEY_SHIFT | wimp_KEY_RIGHT: c = KEY_WORD_RIGHT; break;
case wimp_KEY_SHIFT | wimp_KEY_UP: c = KEY_PAGE_UP; break;
case wimp_KEY_SHIFT | wimp_KEY_DOWN: c = KEY_PAGE_DOWN; break;
case wimp_KEY_LEFT: c = KEY_LEFT; break;
case wimp_KEY_RIGHT: c = KEY_RIGHT; break;
case wimp_KEY_UP: c = KEY_UP; break;
case wimp_KEY_DOWN: c = KEY_DOWN; break;
/* editing */
case wimp_KEY_CONTROL | wimp_KEY_END:
c = KEY_DELETE_LINE_END;
break;
case wimp_KEY_DELETE:
if (ro_gui_ctrl_pressed())
c = KEY_DELETE_LINE_START;
else if (os_version < RISCOS5)
c = KEY_DELETE_LEFT;
break;
default:
break;
}
}
if (!(c & IS_WIMP_KEY)) {
if (browser_window_key_press(g->bw, c))
return true;
}
return ro_gui_window_handle_local_keypress(g, key, false);
}
/**
* Callback handler for keypresses within browser window toolbars.
*
* \param *data Client data, pointing to the GUI Window.
* \param *key The keypress data.
* \return true if the keypress was handled; else false.
*/
bool ro_gui_window_toolbar_keypress(void *data, wimp_key *key)
{
struct gui_window *g = (struct gui_window *) data;
if (g != NULL)
return ro_gui_window_handle_local_keypress(g, key, true);
return false;
}
/**
* Handle keypresses within the RISC OS GUI: this is to be called after the
* core has been given a chance to act, or on keypresses in the toolbar where
* the core doesn't get involved.
*
* \param *g The gui window to which the keypress applies.
* \param *key The keypress data.
* \param is_toolbar true if the keypress is from a toolbar;
* else false.
* \return true if the keypress was claimed; else false.
*/
bool ro_gui_window_handle_local_keypress(struct gui_window *g, wimp_key *key,
bool is_toolbar)
{
hlcache_handle *h;
const char *toolbar_url;
float scale;
uint32_t c = (uint32_t) key->c;
wimp_scroll_direction xscroll = wimp_SCROLL_NONE;
wimp_scroll_direction yscroll = wimp_SCROLL_NONE;
if (g == NULL)
return false;
h = g->bw->current_content;
switch (c) {
case IS_WIMP_KEY + wimp_KEY_F1: /* Help. */
browser_window_create(
"http://www.netsurf-browser.org/documentation/",
NULL, 0, true, false);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F1:
ro_gui_window_action_page_info(g);
return true;
case IS_WIMP_KEY + wimp_KEY_F2:
if (g->toolbar == NULL)
return false;
ro_gui_url_complete_close();
ro_toolbar_set_url(g->toolbar, "www.", true, true);
ro_gui_url_complete_start(g->toolbar);
ro_gui_url_complete_keypress(g->toolbar, wimp_KEY_DOWN);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F2:
/* Close window. */
ro_gui_url_complete_close();
browser_window_destroy(g->bw);
return true;
case 19: /* Ctrl + S */
case IS_WIMP_KEY + wimp_KEY_F3:
ro_gui_window_action_save(g, GUI_SAVE_SOURCE);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F3:
ro_gui_window_action_save(g, GUI_SAVE_TEXT);
return true;
case IS_WIMP_KEY + wimp_KEY_SHIFT + wimp_KEY_F3:
ro_gui_window_action_save(g, GUI_SAVE_COMPLETE);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_SHIFT + wimp_KEY_F3:
ro_gui_window_action_save(g, GUI_SAVE_DRAW);
return true;
case 6: /* Ctrl + F */
case IS_WIMP_KEY + wimp_KEY_F4: /* Search */
ro_gui_window_action_search(g);
return true;
case IS_WIMP_KEY + wimp_KEY_F5: /* Reload */
if (g->bw != NULL)
browser_window_reload(g->bw, false);
return true;
case 18: /* Ctrl+R (Full reload) */
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F5:
if (g->bw != NULL)
browser_window_reload(g->bw, true);
return true;
case IS_WIMP_KEY + wimp_KEY_F6: /* Hotlist */
ro_gui_hotlist_open();
return true;
case IS_WIMP_KEY + wimp_KEY_F7: /* Show local history */
ro_gui_window_action_local_history(g);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F7:
/* Show global history */
ro_gui_global_history_open();
return true;
case IS_WIMP_KEY + wimp_KEY_F8: /* View source */
ro_gui_view_source(h);
return true;
case IS_WIMP_KEY + wimp_KEY_F9:
/* Dump content for debugging. */
ro_gui_dump_content(h);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F9:
urldb_dump();
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_SHIFT + wimp_KEY_F9:
talloc_report_full(0, stderr);
return true;
case IS_WIMP_KEY + wimp_KEY_F11: /* Zoom */
ro_gui_window_action_zoom(g);
return true;
case IS_WIMP_KEY + wimp_KEY_SHIFT + wimp_KEY_F11:
/* Toggle display of box outlines. */
html_redraw_debug = !html_redraw_debug;
gui_window_redraw_window(g);
return true;
case wimp_KEY_RETURN:
if (is_toolbar) {
toolbar_url = ro_toolbar_get_url(g->toolbar);
if (toolbar_url != NULL)
ro_gui_window_launch_url(g, toolbar_url);
}
return true;
case wimp_KEY_ESCAPE:
if (ro_gui_url_complete_close()) {
ro_gui_url_complete_start(g->toolbar);
return true;
}
if (g->bw != NULL)
browser_window_stop(g->bw);
return true;
case 14: /* CTRL+N */
ro_gui_window_action_new_window(g);
return true;
case 17: /* CTRL+Q (Zoom out) */
case 23: /* CTRL+W (Zoom in) */
if (!h)
break;
scale = g->bw->scale;
if (ro_gui_shift_pressed() && c == 17)
scale = g->bw->scale - 0.1;
else if (ro_gui_shift_pressed() && c == 23)
scale = g->bw->scale + 0.1;
else if (c == 17) {
for (int i = SCALE_SNAP_TO_SIZE - 1; i >= 0; i--)
if (scale_snap_to[i] < g->bw->scale) {
scale = scale_snap_to[i];
break;
}
} else {
for (unsigned int i = 0; i < SCALE_SNAP_TO_SIZE; i++)
if (scale_snap_to[i] > g->bw->scale) {
scale = scale_snap_to[i];
break;
}
}
if (scale < scale_snap_to[0])
scale = scale_snap_to[0];
if (scale > scale_snap_to[SCALE_SNAP_TO_SIZE - 1])
scale = scale_snap_to[SCALE_SNAP_TO_SIZE - 1];
if (g->bw->scale != scale) {
browser_window_set_scale(g->bw, scale, true);
}
return true;
case IS_WIMP_KEY + wimp_KEY_PRINT:
ro_gui_window_action_print(g);
return true;
case IS_WIMP_KEY | wimp_KEY_LEFT:
case IS_WIMP_KEY | wimp_KEY_RIGHT:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_LEFT:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_RIGHT:
case IS_WIMP_KEY + wimp_KEY_UP:
case IS_WIMP_KEY + wimp_KEY_DOWN:
case IS_WIMP_KEY + wimp_KEY_PAGE_UP:
case IS_WIMP_KEY + wimp_KEY_PAGE_DOWN:
case wimp_KEY_HOME:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
case IS_WIMP_KEY + wimp_KEY_END:
if (is_toolbar)
return false;
break;
default:
return false; /* This catches any keys we don't want to claim */
}
/* Any keys that exit from the above switch() via break should be
* processed as scroll actions in the browser window. */
switch (c) {
case IS_WIMP_KEY | wimp_KEY_LEFT:
xscroll = wimp_SCROLL_COLUMN_LEFT;
break;
case IS_WIMP_KEY | wimp_KEY_RIGHT:
xscroll = wimp_SCROLL_COLUMN_RIGHT;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_LEFT:
xscroll = 0x80000000;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_RIGHT:
xscroll = 0x7fffffff;
break;
case IS_WIMP_KEY | wimp_KEY_UP:
yscroll = wimp_SCROLL_LINE_UP;
break;
case IS_WIMP_KEY | wimp_KEY_DOWN:
yscroll = wimp_SCROLL_LINE_DOWN;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_UP:
yscroll = wimp_SCROLL_PAGE_UP;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
yscroll = wimp_SCROLL_PAGE_DOWN;
break;
case wimp_KEY_HOME:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
yscroll = 0x7fffffff;
break;
case IS_WIMP_KEY | wimp_KEY_END:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
yscroll = 0x80000000;
break;
}
ro_gui_window_scroll_action(g, xscroll, yscroll);
return true;
}
/**
* Prepare the browser window menu for (re-)opening
*
* \param w The window owning the menu.
* \param i The icon owning the menu.
* \param *menu The menu about to be opened.
* \param *pointer Pointer to the relevant wimp event block, or
* NULL for an Adjust click.
* \return true if the event was handled; else false.
*/
bool ro_gui_window_menu_prepare(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_pointer *pointer)
{
struct gui_window *g;
struct browser_window *bw;
struct toolbar *toolbar;
struct contextual_content cont;
hlcache_handle *h = NULL;
bool export_sprite, export_draw;
os_coord pos;
g = (struct gui_window *) ro_gui_wimp_event_get_user_data(w);
toolbar = g->toolbar;
bw = g->bw;
h = g->bw->current_content;
/* If this is the form select menu, handle it now and then exit.
* Otherwise, carry on to the main browser window menu.
*/
if (menu == gui_form_select_menu) {
return ro_gui_window_prepare_form_select_menu(g->bw,
gui_form_select_control);
}
if (menu != ro_gui_browser_window_menu)
return false;
/* If this is a new opening for the browser window menu (ie. not for a
* toolbar menu), get details of the object under the pointer.
*/
if (pointer != NULL && g->window == w) {
ro_gui_url_complete_close();
current_menu_object = NULL;
current_menu_url = NULL;
if (ro_gui_window_to_window_pos(g, pointer->pos.x,
pointer->pos.y, &pos)) {
browser_window_get_contextual_content(bw,
pos.x, pos.y, &cont);
current_menu_object = cont.object;
current_menu_url = cont.link_url;
}
}
/* Shade menu entries according to the state of the window and object
* under the pointer.
*/
/* Toolbar (Sub)Menu */
ro_gui_menu_set_entry_shaded(menu, TOOLBAR_BUTTONS,
ro_toolbar_menu_option_shade(toolbar));
ro_gui_menu_set_entry_ticked(menu, TOOLBAR_BUTTONS,
ro_toolbar_menu_buttons_tick(toolbar));
ro_gui_menu_set_entry_shaded(menu, TOOLBAR_ADDRESS_BAR,
ro_toolbar_menu_edit_shade(toolbar));
ro_gui_menu_set_entry_ticked(menu, TOOLBAR_ADDRESS_BAR,
ro_toolbar_menu_url_tick(toolbar));
ro_gui_menu_set_entry_shaded(menu, TOOLBAR_THROBBER,
ro_toolbar_menu_edit_shade(toolbar));
ro_gui_menu_set_entry_ticked(menu, TOOLBAR_THROBBER,
ro_toolbar_menu_throbber_tick(toolbar));
ro_gui_menu_set_entry_shaded(menu, TOOLBAR_EDIT,
ro_toolbar_menu_edit_shade(toolbar));
ro_gui_menu_set_entry_ticked(menu, TOOLBAR_EDIT,
ro_toolbar_menu_edit_tick(toolbar));
/* Page Submenu */
ro_gui_menu_set_entry_shaded(menu, BROWSER_PAGE, h == NULL ||
(content_get_type(h) != CONTENT_HTML &&
content_get_type(h) != CONTENT_TEXTPLAIN));
ro_gui_menu_set_entry_shaded(menu, BROWSER_PAGE_INFO, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_PRINT, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_NEW_WINDOW, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_FIND_TEXT,
h == NULL || (content_get_type(h) != CONTENT_HTML &&
content_get_type(h) != CONTENT_TEXTPLAIN));
ro_gui_menu_set_entry_shaded(menu, BROWSER_VIEW_SOURCE, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SAVE_URL_URI, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SAVE_URL_URL, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SAVE_URL_TEXT, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SAVE, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SAVE_COMPLETE, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_EXPORT_DRAW, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_EXPORT_PDF, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_EXPORT_TEXT, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_LINK_SAVE_URI,
!current_menu_url);
ro_gui_menu_set_entry_shaded(menu, BROWSER_LINK_SAVE_URL,
!current_menu_url);
ro_gui_menu_set_entry_shaded(menu, BROWSER_LINK_SAVE_TEXT,
!current_menu_url);
/* Object Submenu */
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT,
current_menu_object == NULL &&
current_menu_url == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_LINK,
current_menu_url == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_INFO,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_RELOAD,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_OBJECT,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_PRINT, true);
/* Not yet implemented */
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_SAVE,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_SAVE_URL_URI,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_SAVE_URL_URL,
current_menu_object == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_SAVE_URL_TEXT,
current_menu_object == NULL);
if (current_menu_object != NULL)
ro_gui_window_content_export_types(current_menu_object,
&export_draw, &export_sprite);
else
ro_gui_window_content_export_types(h,
&export_draw, &export_sprite);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_EXPORT,
(h == NULL && current_menu_object == NULL)
|| !(export_sprite || export_draw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_EXPORT_SPRITE,
(h == NULL && current_menu_object == NULL)
|| !export_sprite);
ro_gui_menu_set_entry_shaded(menu, BROWSER_OBJECT_EXPORT_DRAW,
(h == NULL && current_menu_object == NULL)
|| !export_draw);
/* Selection Submenu */
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION,
h == NULL || (content_get_type(h) != CONTENT_HTML &&
content_get_type(h) != CONTENT_TEXTPLAIN));
/* make menu available if there's anything that /could/
* be selected */
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION_SAVE,
!browser_window_has_selection(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION_COPY,
!browser_window_has_selection(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION_CUT,
!browser_window_has_selection(bw) ||
selection_read_only(browser_window_get_selection(bw)));
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION_PASTE,
h == NULL || bw->paste_callback == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SELECTION_CLEAR,
!browser_window_has_selection(bw));
/* Navigate Submenu */
ro_gui_menu_set_entry_shaded(menu, BROWSER_NAVIGATE_BACK,
!browser_window_back_available(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_NAVIGATE_FORWARD,
!browser_window_forward_available(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_NAVIGATE_RELOAD_ALL,
!browser_window_reload_available(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_NAVIGATE_STOP,
!browser_window_stop_available(bw));
ro_gui_menu_set_entry_shaded(menu, BROWSER_NAVIGATE_UP,
!ro_gui_window_up_available(bw));
/* View Submenu */
ro_gui_menu_set_entry_ticked(menu, BROWSER_IMAGES_FOREGROUND,
g != NULL && nsoption_bool(foreground_images));
ro_gui_menu_set_entry_ticked(menu, BROWSER_IMAGES_BACKGROUND,
g != NULL && nsoption_bool(background_images));
ro_gui_menu_set_entry_shaded(menu, BROWSER_BUFFER_ANIMS,
g == NULL || g->option.buffer_everything);
ro_gui_menu_set_entry_ticked(menu, BROWSER_BUFFER_ANIMS, g != NULL &&
(g->option.buffer_animations ||
g->option.buffer_everything));
ro_gui_menu_set_entry_shaded(menu, BROWSER_BUFFER_ALL, g == NULL);
ro_gui_menu_set_entry_ticked(menu, BROWSER_BUFFER_ALL,
g != NULL && g->option.buffer_everything);
ro_gui_menu_set_entry_shaded(menu, BROWSER_SCALE_VIEW, h == NULL);
ro_gui_menu_set_entry_shaded(menu, BROWSER_WINDOW_STAGGER,
nsoption_int(window_screen_width) == 0);
ro_gui_menu_set_entry_ticked(menu, BROWSER_WINDOW_STAGGER,
((nsoption_int(window_screen_width) == 0) ||
nsoption_bool(window_stagger)));
ro_gui_menu_set_entry_ticked(menu, BROWSER_WINDOW_COPY,
nsoption_bool(window_size_clone));
ro_gui_menu_set_entry_shaded(menu, BROWSER_WINDOW_RESET,
nsoption_int(window_screen_width) == 0);
/* Utilities Submenu */
ro_gui_menu_set_entry_shaded(menu, HOTLIST_ADD_URL, h == NULL);
ro_gui_menu_set_entry_shaded(menu, HISTORY_SHOW_LOCAL,
(bw == NULL || (bw->history == NULL) ||
!(h != NULL || history_back_available(bw->history) ||
history_forward_available(bw->history))));
/* Help Submenu */
ro_gui_menu_set_entry_ticked(menu, HELP_LAUNCH_INTERACTIVE,
ro_gui_interactive_help_available() &&
nsoption_bool(interactive_help));
return true;
}
/**
* Handle submenu warnings for a browser window menu
*
* \param w The window owning the menu.
* \param i The icon owning the menu.
* \param *menu The menu to which the warning applies.
* \param *selection The wimp menu selection data.
* \param action The selected menu action.
*/
void ro_gui_window_menu_warning(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_selection *selection, menu_action action)
{
struct gui_window *g;
struct browser_window *bw;
hlcache_handle *h;
struct toolbar *toolbar;
bool export;
if (menu != ro_gui_browser_window_menu)
return;
g = (struct gui_window *) ro_gui_wimp_event_get_user_data(w);
toolbar = g->toolbar;
bw = g->bw;
h = bw->current_content;
switch (action) {
case BROWSER_PAGE_INFO:
if (h != NULL)
ro_gui_window_prepare_pageinfo(g);
break;
case BROWSER_FIND_TEXT:
if (h != NULL && (content_get_type(h) == CONTENT_HTML ||
content_get_type(h) == CONTENT_TEXTPLAIN))
ro_gui_search_prepare(g->bw);
break;
case BROWSER_SCALE_VIEW:
if (h != NULL)
ro_gui_dialog_prepare_zoom(g);
break;
case BROWSER_PRINT:
if (h != NULL)
ro_gui_print_prepare(g);
break;
case BROWSER_OBJECT_INFO:
if (current_menu_object != NULL)
ro_gui_window_prepare_objectinfo(current_menu_object,
current_menu_url);
break;
case BROWSER_OBJECT_SAVE:
if (current_menu_object != NULL)
ro_gui_save_prepare(GUI_SAVE_OBJECT_ORIG,
current_menu_object, NULL, NULL, NULL);
break;
case BROWSER_SELECTION_SAVE:
if (browser_window_has_selection(bw))
ro_gui_save_prepare(GUI_SAVE_TEXT_SELECTION, NULL,
browser_window_get_selection(bw),
NULL, NULL);
break;
case BROWSER_SAVE_URL_URI:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URI, NULL, NULL,
nsurl_access(hlcache_handle_get_url(h)),
content_get_title(h));
break;
case BROWSER_SAVE_URL_URL:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URL, NULL, NULL,
nsurl_access(hlcache_handle_get_url(h)),
content_get_title(h));
break;
case BROWSER_SAVE_URL_TEXT:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_TEXT, NULL, NULL,
nsurl_access(hlcache_handle_get_url(h)),
content_get_title(h));
break;
case BROWSER_OBJECT_SAVE_URL_URI:
if (current_menu_object != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URI, NULL, NULL,
nsurl_access(hlcache_handle_get_url(
current_menu_object)),
content_get_title(current_menu_object));
break;
case BROWSER_OBJECT_SAVE_URL_URL:
if (current_menu_object != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URL, NULL, NULL,
nsurl_access(hlcache_handle_get_url(
current_menu_object)),
content_get_title(current_menu_object));
break;
case BROWSER_OBJECT_SAVE_URL_TEXT:
if (current_menu_object != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_TEXT, NULL, NULL,
nsurl_access(hlcache_handle_get_url(
current_menu_object)),
content_get_title(current_menu_object));
break;
case BROWSER_SAVE:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_SOURCE, h, NULL, NULL, NULL);
break;
case BROWSER_SAVE_COMPLETE:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_COMPLETE, h, NULL, NULL, NULL);
break;
case BROWSER_EXPORT_DRAW:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_DRAW, h, NULL, NULL, NULL);
break;
case BROWSER_EXPORT_PDF:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_PDF, h, NULL, NULL, NULL);
break;
case BROWSER_EXPORT_TEXT:
if (h != NULL)
ro_gui_save_prepare(GUI_SAVE_TEXT, h, NULL, NULL, NULL);
break;
case BROWSER_LINK_SAVE_URI:
if (current_menu_url != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URI, NULL, NULL,
current_menu_url, NULL);
break;
case BROWSER_LINK_SAVE_URL:
if (current_menu_url != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_URL, NULL, NULL,
current_menu_url, NULL);
break;
case BROWSER_LINK_SAVE_TEXT:
if (current_menu_url != NULL)
ro_gui_save_prepare(GUI_SAVE_LINK_TEXT, NULL, NULL,
current_menu_url, NULL);
break;
case BROWSER_OBJECT_EXPORT_SPRITE:
if (current_menu_object != NULL) {
ro_gui_window_content_export_types(current_menu_object,
NULL, &export);
if (export)
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
current_menu_object,
NULL, NULL, NULL);
} else if (h != NULL) {
ro_gui_window_content_export_types(h, NULL, &export);
if (export)
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
h, NULL, NULL, NULL);
}
break;
case BROWSER_OBJECT_EXPORT_DRAW:
if (current_menu_object != NULL) {
ro_gui_window_content_export_types(current_menu_object,
&export, NULL);
if (export)
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
current_menu_object,
NULL, NULL, NULL);
} else if (h != NULL) {
ro_gui_window_content_export_types(h, &export, NULL);
if (export)
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
h, NULL, NULL, NULL);
}
break;
default:
break;
}
}
/**
* Handle selections from a browser window menu
*
* \param w The window owning the menu.
* \param i The icon owning the menu.
* \param *menu The menu from which the selection was made.
* \param *selection The wimp menu selection data.
* \param action The selected menu action.
* \return true if action accepted; else false.
*/
bool ro_gui_window_menu_select(wimp_w w, wimp_i i, wimp_menu *menu,
wimp_selection *selection, menu_action action)
{
struct gui_window *g;
struct browser_window *bw;
hlcache_handle *h;
struct toolbar *toolbar;
wimp_window_state state;
os_error *error;
g = (struct gui_window *) ro_gui_wimp_event_get_user_data(w);
toolbar = g->toolbar;
bw = g->bw;
h = bw->current_content;
/* If this is a form menu from the core, handle it now and then exit.
* Otherwise, carry on to the main browser window menu.
*/
if (menu == gui_form_select_menu && w == g->window) {
ro_gui_window_process_form_select_menu(g, selection);
return true;
}
/* We're now safe to assume that this is either the browser or
* toolbar window menu.
*/
switch (action) {
/* help actions */
case HELP_OPEN_CONTENTS:
browser_window_create(
"http://www.netsurf-browser.org/documentation/",
NULL, 0, true, false);
break;
case HELP_OPEN_GUIDE:
browser_window_create(
"http://www.netsurf-browser.org/documentation/guide",
NULL, 0, true, false);
break;
case HELP_OPEN_INFORMATION:
browser_window_create(
"http://www.netsurf-browser.org/documentation/info",
NULL, 0, true, false);
break;
case HELP_OPEN_CREDITS:
browser_window_create("about:credits", NULL, 0, true, false);
break;
case HELP_OPEN_LICENCE:
browser_window_create("about:licence", NULL, 0, true, false);
break;
case HELP_LAUNCH_INTERACTIVE:
if (!ro_gui_interactive_help_available()) {
ro_gui_interactive_help_start();
nsoption_set_bool(interactive_help, true);
} else {
nsoption_set_bool(interactive_help, !nsoption_bool(interactive_help));
}
break;
/* history actions */
case HISTORY_SHOW_LOCAL:
ro_gui_window_action_local_history(g);
break;
case HISTORY_SHOW_GLOBAL:
ro_gui_global_history_open();
break;
/* hotlist actions */
case HOTLIST_ADD_URL:
ro_gui_window_action_add_bookmark(g);
break;
case HOTLIST_SHOW:
ro_gui_hotlist_open();
break;
/* cookies actions */
case COOKIES_SHOW:
ro_gui_cookies_open();
break;
case COOKIES_DELETE:
cookies_delete_all();
break;
/* page actions */
case BROWSER_PAGE_INFO:
ro_gui_window_action_page_info(g);
break;
case BROWSER_PRINT:
ro_gui_window_action_print(g);
break;
case BROWSER_NEW_WINDOW:
ro_gui_window_action_new_window(g);
break;
case BROWSER_VIEW_SOURCE:
if (h != NULL)
ro_gui_view_source(h);
break;
/* object actions */
case BROWSER_OBJECT_INFO:
if (current_menu_object != NULL) {
ro_gui_window_prepare_objectinfo(current_menu_object,
current_menu_url);
ro_gui_dialog_open_persistent(g->window,
dialog_objinfo, false);
}
break;
case BROWSER_OBJECT_RELOAD:
if (current_menu_object != NULL) {
content_invalidate_reuse_data(current_menu_object);
browser_window_reload(bw, false);
}
break;
/* link actions */
case BROWSER_LINK_SAVE_URI:
if (current_menu_url != NULL) {
ro_gui_save_prepare(GUI_SAVE_LINK_URI, NULL, NULL,
current_menu_url, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_LINK_SAVE_URL:
if (current_menu_url != NULL) {
ro_gui_save_prepare(GUI_SAVE_LINK_URL, NULL, NULL,
current_menu_url, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_LINK_SAVE_TEXT:
if (current_menu_url != NULL) {
ro_gui_save_prepare(GUI_SAVE_LINK_TEXT, NULL, NULL,
current_menu_url, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_LINK_DOWNLOAD:
if (current_menu_url != NULL)
browser_window_download(bw, current_menu_url,
nsurl_access(hlcache_handle_get_url(h)));
break;
case BROWSER_LINK_NEW_WINDOW:
if (current_menu_url != NULL)
browser_window_create(current_menu_url, bw,
nsurl_access(hlcache_handle_get_url(h)),
true, false);
break;
/* save actions */
case BROWSER_OBJECT_SAVE:
if (current_menu_object != NULL) {
ro_gui_save_prepare(GUI_SAVE_OBJECT_ORIG,
current_menu_object, NULL, NULL, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_OBJECT_EXPORT_SPRITE:
if (current_menu_object != NULL) {
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
current_menu_object, NULL, NULL, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_OBJECT_EXPORT_DRAW:
if (current_menu_object != NULL) {
ro_gui_save_prepare(GUI_SAVE_OBJECT_NATIVE,
current_menu_object, NULL, NULL, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_SAVE:
ro_gui_window_action_save(g, GUI_SAVE_SOURCE);
break;
case BROWSER_SAVE_COMPLETE:
ro_gui_window_action_save(g, GUI_SAVE_COMPLETE);
break;
case BROWSER_EXPORT_DRAW:
ro_gui_window_action_save(g, GUI_SAVE_DRAW);
break;
case BROWSER_EXPORT_PDF:
ro_gui_window_action_save(g, GUI_SAVE_PDF);
break;
case BROWSER_EXPORT_TEXT:
ro_gui_window_action_save(g, GUI_SAVE_TEXT);
break;
case BROWSER_SAVE_URL_URI:
ro_gui_window_action_save(g, GUI_SAVE_LINK_URI);
break;
case BROWSER_SAVE_URL_URL:
ro_gui_window_action_save(g, GUI_SAVE_LINK_URL);
break;
case BROWSER_SAVE_URL_TEXT:
ro_gui_window_action_save(g, GUI_SAVE_LINK_TEXT);
break;
/* selection actions */
case BROWSER_SELECTION_SAVE:
if (h != NULL) {
ro_gui_save_prepare(GUI_SAVE_TEXT_SELECTION, NULL,
browser_window_get_selection(bw),
NULL, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas,
false);
}
break;
case BROWSER_SELECTION_COPY:
browser_window_key_press(bw, KEY_COPY_SELECTION);
break;
case BROWSER_SELECTION_CUT:
browser_window_key_press(bw, KEY_CUT_SELECTION);
break;
case BROWSER_SELECTION_PASTE:
browser_window_key_press(bw, KEY_PASTE);
break;
case BROWSER_SELECTION_ALL:
browser_window_key_press(bw, KEY_SELECT_ALL);
break;
case BROWSER_SELECTION_CLEAR:
browser_window_key_press(bw, KEY_CLEAR_SELECTION);
break;
/* navigation actions */
case BROWSER_NAVIGATE_HOME:
ro_gui_window_action_home(g);
break;
case BROWSER_NAVIGATE_BACK:
if (bw != NULL && bw->history != NULL)
history_back(bw, bw->history);
break;
case BROWSER_NAVIGATE_FORWARD:
if (bw != NULL && bw->history != NULL)
history_forward(bw, bw->history);
break;
case BROWSER_NAVIGATE_UP:
if (bw != NULL && h != NULL)
ro_gui_window_navigate_up(bw->window,
nsurl_access(hlcache_handle_get_url(h)));
break;
case BROWSER_NAVIGATE_RELOAD_ALL:
if (bw != NULL)
browser_window_reload(bw, true);
break;
case BROWSER_NAVIGATE_STOP:
if (bw != NULL)
browser_window_stop(bw);
break;
/* browser window/display actions */
case BROWSER_SCALE_VIEW:
ro_gui_window_action_zoom(g);
break;
case BROWSER_FIND_TEXT:
ro_gui_window_action_search(g);
break;
case BROWSER_IMAGES_FOREGROUND:
if (g != NULL)
nsoption_set_bool(foreground_images,
!nsoption_bool(foreground_images));
break;
case BROWSER_IMAGES_BACKGROUND:
if (g != NULL)
nsoption_set_bool(background_images,
!nsoption_bool(background_images));
break;
case BROWSER_BUFFER_ANIMS:
if (g != NULL)
g->option.buffer_animations =
!g->option.buffer_animations;
break;
case BROWSER_BUFFER_ALL:
if (g != NULL)
g->option.buffer_everything =
!g->option.buffer_everything;
break;
case BROWSER_SAVE_VIEW:
if (bw != NULL) {
ro_gui_window_default_options(bw);
ro_gui_save_options();
}
break;
case BROWSER_WINDOW_DEFAULT:
if (g != NULL) {
ro_gui_screen_size(&nsoption_int(window_screen_width),
&nsoption_int(window_screen_height));
state.w = w;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum,
error->errmess));
warn_user("WimpError", error->errmess);
}
nsoption_set_int(window_x, state.visible.x0);
nsoption_set_int(window_y, state.visible.y0);
nsoption_set_int(window_width,
state.visible.x1 - state.visible.x0);
nsoption_set_int(window_height,
state.visible.y1 - state.visible.y0);
ro_gui_save_options();
}
break;
case BROWSER_WINDOW_STAGGER:
nsoption_set_bool(window_stagger, !nsoption_bool(window_stagger));
ro_gui_save_options();
break;
case BROWSER_WINDOW_COPY:
nsoption_set_bool(window_size_clone, !nsoption_bool(window_size_clone));
ro_gui_save_options();
break;
case BROWSER_WINDOW_RESET:
nsoption_set_int(window_screen_width, 0);
nsoption_set_int(window_screen_height, 0);
ro_gui_save_options();
break;
/* toolbar actions */
case TOOLBAR_BUTTONS:
assert(toolbar);
ro_toolbar_set_display_buttons(toolbar,
!ro_toolbar_get_display_buttons(toolbar));
break;
case TOOLBAR_ADDRESS_BAR:
assert(toolbar);
ro_toolbar_set_display_url(toolbar,
!ro_toolbar_get_display_url(toolbar));
if (ro_toolbar_get_display_url(toolbar))
ro_toolbar_take_caret(toolbar);
break;
case TOOLBAR_THROBBER:
assert(toolbar);
ro_toolbar_set_display_throbber(toolbar,
!ro_toolbar_get_display_throbber(toolbar));
break;
case TOOLBAR_EDIT:
assert(toolbar);
ro_toolbar_toggle_edit(toolbar);
break;
default:
return false;
}
return true;
}
/**
* Handle the closure of a browser window menu
*
* \param w The window owning the menu.
* \param i The icon owning the menu.
* \param *menu The menu that is being closed.
*/
void ro_gui_window_menu_close(wimp_w w, wimp_i i, wimp_menu *menu)
{
if (menu == ro_gui_browser_window_menu) {
current_menu_object = NULL;
current_menu_url = NULL;
} else if (menu == gui_form_select_menu) {
gui_form_select_control = NULL;
}
}
/**
* Process Scroll_Request events in a browser window.
*
* \param *scroll The wimp scroll event data block.
*/
void ro_gui_window_scroll(wimp_scroll *scroll)
{
struct gui_window *g = ro_gui_window_lookup(scroll->w);
if (g && g->bw->current_content && ro_gui_shift_pressed()) {
/* extended scroll request with shift held down; change zoom */
float scale, inc;
if (scroll->ymin & 3)
inc = 0.02; /* RO5 sends the msg 5 times;
* don't ask me why
*
* \TODO -- this is liable to break if
* HID is configured optimally for
* frame scrolling. *5 appears to be
* an artifact of non-HID mode scrolling.
*/
else
inc = (1 << (ABS(scroll->ymin)>>2)) / 20.0F;
if (scroll->ymin > 0) {
scale = g->bw->scale + inc;
if (scale > scale_snap_to[SCALE_SNAP_TO_SIZE - 1])
scale = scale_snap_to[SCALE_SNAP_TO_SIZE - 1];
} else {
scale = g->bw->scale - inc;
if (scale < scale_snap_to[0])
scale = scale_snap_to[0];
}
if (g->bw->scale != scale)
browser_window_set_scale(g->bw, scale, true);
} else if (g != NULL) {
ro_gui_window_scroll_action(g, scroll->xmin, scroll->ymin);
}
}
/**
* Scroll a browser window, either via the core or directly using the
* normal Wimp_OpenWindow interface.
*
* Scroll steps are supplied in terms of the (extended) Scroll Event direction
* values returned by Wimp_Poll. Special values of 0x7fffffff and 0x80000000
* are added to mean "Home" and "End".
*
* \param *g The GUI Window to be scrolled.
* \param scroll_x The X scroll step to be applied.
* \param scroll_y The Y scroll step to be applied.
*/
void ro_gui_window_scroll_action(struct gui_window *g,
wimp_scroll_direction scroll_x, wimp_scroll_direction scroll_y)
{
int visible_x, visible_y;
int step_x = 0, step_y = 0;
int toolbar_y;
wimp_window_state state;
wimp_pointer pointer;
os_error *error;
os_coord pos;
bool handled = false;
struct toolbar *toolbar;
if (g == NULL)
return;
/* Get the current window, toolbar and pointer details. */
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
return;
}
toolbar = ro_toolbar_parent_window_lookup(g->window);
assert(g == NULL || g->toolbar == NULL || g->toolbar == toolbar);
toolbar_y = (toolbar == NULL) ? 0 : ro_toolbar_full_height(toolbar);
visible_x = state.visible.x1 - state.visible.x0 - 32;
visible_y = state.visible.y1 - state.visible.y0 - 32 - toolbar_y;
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* Turn the scroll requirement from Scroll Event codes into coordinates
* that the core can understand.
*/
switch (scroll_x) {
case wimp_SCROLL_PAGE_LEFT:
step_x = SCROLL_PAGE_DOWN;
break;
case wimp_SCROLL_AUTO_LEFT:
case wimp_SCROLL_COLUMN_LEFT:
step_x = -16;
break;
case wimp_SCROLL_AUTO_RIGHT:
case wimp_SCROLL_COLUMN_RIGHT:
step_x = 16;
break;
case wimp_SCROLL_PAGE_RIGHT:
step_x = SCROLL_PAGE_UP;
break;
case 0x80000000:
step_x = SCROLL_BOTTOM;
break;
case 0x7fffffff:
step_x = SCROLL_TOP;
break;
default:
step_x = (visible_x * (scroll_x>>2)) >> 2;
break;
}
switch (scroll_y) {
case wimp_SCROLL_PAGE_UP:
step_y = SCROLL_PAGE_UP;
break;
case wimp_SCROLL_AUTO_UP:
case wimp_SCROLL_LINE_UP:
step_y = -16;
break;
case wimp_SCROLL_AUTO_DOWN:
case wimp_SCROLL_LINE_DOWN:
step_y = 16;
break;
case wimp_SCROLL_PAGE_DOWN:
step_y = SCROLL_PAGE_DOWN;
break;
case 0x80000000:
step_y = SCROLL_BOTTOM;
break;
case 0x7fffffff:
step_y = SCROLL_TOP;
break;
default:
step_y = -((visible_y * (scroll_y>>2)) >> 2);
break;
}
/* If no scrolling is required, there's no point trying to do any. */
if (step_x == 0 && step_y == 0)
return;
/* If the pointer is over the window being scrolled, then try to get
* the core to do the scrolling on the object under the pointer.
*/
if (pointer.w == g->window &&
ro_gui_window_to_window_pos(g,
pointer.pos.x, pointer.pos.y, &pos))
handled = browser_window_scroll_at_point(g->bw, pos.x, pos.y,
step_x, step_y);
/* If the core didn't do the scrolling, handle it via the Wimp.
* Windows which contain frames can only be scrolled by the core,
* because it implements frame scroll bars.
*/
if (!handled && g->bw->children == NULL) {
switch (step_x) {
case SCROLL_TOP:
state.xscroll -= 0x10000000;
break;
case SCROLL_BOTTOM:
state.xscroll += 0x10000000;
break;
case SCROLL_PAGE_UP:
state.xscroll += visible_x;
break;
case SCROLL_PAGE_DOWN:
state.xscroll -= visible_x;
break;
default:
state.xscroll += 2 * step_x;
break;
}
switch (step_y) {
case SCROLL_TOP:
state.yscroll += 0x10000000;
break;
case SCROLL_BOTTOM:
state.yscroll -= 0x10000000;
break;
case SCROLL_PAGE_UP:
state.yscroll += visible_y;
break;
case SCROLL_PAGE_DOWN:
state.yscroll -= visible_y;
break;
default:
state.yscroll -= 2 * step_y;
break;
}
error = xwimp_open_window((wimp_open *) &state);
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum,
error->errmess));
}
}
}
/**
* Handle Message_DataLoad (file dragged in) for a window.
*
* \param g window
* \param message Message_DataLoad block
* \return true if the load was processed
*
* If the file was dragged into a form file input, it is used as the value.
*/
bool ro_gui_window_dataload(struct gui_window *g, wimp_message *message)
{
os_error *error;
os_coord pos;
/* Ignore directories etc. */
if (0x1000 <= message->data.data_xfer.file_type)
return false;
if (!ro_gui_window_to_window_pos(g, message->data.data_xfer.pos.x,
message->data.data_xfer.pos.y, &pos))
return false;
if (browser_window_drop_file_at_point(g->bw, pos.x, pos.y,
message->data.data_xfer.file_name) == false)
return false;
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE, message, message->sender);
if (error) {
LOG(("xwimp_send_message: 0x%x: %s\n",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
return true;
}
/**
* Handle pointer movements in a browser window.
*
* \param g browser window that the pointer is in
* \param pointer new mouse position
*/
void ro_gui_window_mouse_at(struct gui_window *g, wimp_pointer *pointer)
{
os_coord pos;
if (ro_gui_window_to_window_pos(g, pointer->pos.x, pointer->pos.y, &pos))
browser_window_mouse_track(g->bw,
ro_gui_mouse_drag_state(pointer->buttons,
wimp_BUTTON_CLICK_DRAG),
pos.x, pos.y);
}
/**
* Window is being iconised. Create a suitable thumbnail sprite
* (which, sadly, must be in the Wimp sprite pool), and return
* the sprite name and truncated title to the iconiser
*
* \param g the gui window being iconised
* \param wi the WindowInfo message from the iconiser
*/
void ro_gui_window_iconise(struct gui_window *g,
wimp_full_message_window_info *wi)
{
/* sadly there is no 'legal' way to get the sprite into
* the Wimp sprite pool other than via a filing system */
const char *temp_fname = "Pipe:$._tmpfile";
struct browser_window *bw = g->bw;
osspriteop_header *overlay = NULL;
osspriteop_header *sprite_header;
struct bitmap *bitmap;
osspriteop_area *area;
int width = 34, height = 34;
hlcache_handle *h;
os_error *error;
int len, id;
assert(bw);
h = bw->current_content;
if (!h) return;
/* if an overlay sprite is defined, locate it and gets its dimensions
* so that we can produce a thumbnail with the same dimensions */
if (!ro_gui_wimp_get_sprite("ic_netsfxx", &overlay)) {
error = xosspriteop_read_sprite_info(osspriteop_PTR,
(osspriteop_area *)0x100,
(osspriteop_id)overlay, &width, &height, NULL,
NULL);
if (error) {
LOG(("xosspriteop_read_sprite_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
overlay = NULL;
}
else if (sprite_bpp(overlay) != 8) {
LOG(("overlay sprite is not 8bpp"));
overlay = NULL;
}
}
/* create the thumbnail sprite */
bitmap = bitmap_create(width, height, BITMAP_NEW | BITMAP_OPAQUE |
BITMAP_CLEAR_MEMORY);
if (!bitmap) {
LOG(("Thumbnail initialisation failed."));
return;
}
thumbnail_create(h, bitmap, NULL);
if (overlay)
bitmap_overlay_sprite(bitmap, overlay);
area = thumbnail_convert_8bpp(bitmap);
bitmap_destroy(bitmap);
if (!area) {
LOG(("Thumbnail conversion failed."));
return;
}
/* choose a suitable sprite name */
id = 0;
while (iconise_used[id])
if ((unsigned)++id >= NOF_ELEMENTS(iconise_used)) {
id = iconise_next;
if ((unsigned)++iconise_next >=
NOF_ELEMENTS(iconise_used))
iconise_next = 0;
break;
}
sprite_header = (osspriteop_header *)(area + 1);
len = sprintf(sprite_header->name, "ic_netsf%.2d", id);
error = xosspriteop_save_sprite_file(osspriteop_USER_AREA,
area, temp_fname);
if (error) {
LOG(("xosspriteop_save_sprite_file: 0x%x:%s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
free(area);
return;
}
error = xwimpspriteop_merge_sprite_file(temp_fname);
if (error) {
LOG(("xwimpspriteop_merge_sprite_file: 0x%x:%s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
remove(temp_fname);
free(area);
return;
}
memcpy(wi->sprite_name, sprite_header->name + 3, len - 2); /* inc NUL */
strncpy(wi->title, g->title, sizeof(wi->title));
wi->title[sizeof(wi->title) - 1] = '\0';
if (wimptextop_string_width(wi->title, 0) > 182) {
/* work around bug in Pinboard where it will fail to display
* the icon if the text is very wide */
if (strlen(wi->title) > 10)
wi->title[10] = '\0'; /* pinboard does this anyway */
while (wimptextop_string_width(wi->title, 0) > 182)
wi->title[strlen(wi->title) - 1] = '\0';
}
wi->size = sizeof(wimp_full_message_window_info);
wi->your_ref = wi->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE, (wimp_message*)wi,
wi->sender);
if (error) {
LOG(("xwimp_send_message: 0x%x:%s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
else {
g->iconise_icon = id;
iconise_used[id] = true;
}
free(area);
}
/**
* Completes scrolling of a browser window
*
* \param g gui window
*/
void ro_gui_window_scroll_end(struct gui_window *g, wimp_dragged *drag)
{
wimp_pointer pointer;
os_error *error;
os_coord pos;
gui_current_drag_type = GUI_DRAG_NONE;
if (!g)
return;
error = xwimp_drag_box((wimp_drag*)-1);
if (error) {
LOG(("xwimp_drag_box: 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info 0x%x : %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
error = xwimpspriteop_set_pointer_shape("ptr_default", 0x31, 0, 0, 0, 0);
if (error) {
LOG(("xwimpspriteop_set_pointer_shape: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
if (ro_gui_window_to_window_pos(g, drag->final.x0, drag->final.y0, &pos))
browser_window_mouse_track(g->bw, 0, pos.x, pos.y);
}
/**
* Completes resizing of a browser frame
*
* \param g gui window
*/
void ro_gui_window_frame_resize_end(struct gui_window *g, wimp_dragged *drag)
{
/* our clean-up is the same as for page scrolling */
ro_gui_window_scroll_end(g, drag);
}
/**
* Process Mouse_Click events in a toolbar's button bar. This does not handle
* other clicks in a toolbar: these are handled by the toolbar module itself.
*
* \param *data The GUI window associated with the click.
* \param action_type The action type to be handled.
* \param action The action to process.
*/
void ro_gui_window_toolbar_click(void *data,
toolbar_action_type action_type, union toolbar_action action)
{
struct gui_window *g = data;
struct browser_window *new_bw;
gui_save_type save_type;
if (g == NULL)
return;
if (action_type == TOOLBAR_ACTION_URL &&
action.url == TOOLBAR_URL_DRAG_URL) {
if (g->bw->current_content) {
hlcache_handle *h = g->bw->current_content;
if (ro_gui_shift_pressed())
save_type = GUI_SAVE_LINK_URL;
else
save_type = GUI_SAVE_LINK_TEXT;
ro_gui_drag_save_link(save_type,
nsurl_access(hlcache_handle_get_url(h)),
content_get_title(h), g);
}
return;
}
/* By now, the only valid action left is a button click. If it isn't
* one of those, give up.
*/
if (action_type != TOOLBAR_ACTION_BUTTON)
return;
switch (action.button) {
case TOOLBAR_BUTTON_BACK:
if (g->bw != NULL && g->bw->history != NULL)
history_back(g->bw, g->bw->history);
break;
case TOOLBAR_BUTTON_BACK_NEW:
ro_gui_window_action_navigate_back_new(g);
break;
case TOOLBAR_BUTTON_FORWARD:
if (g->bw != NULL && g->bw->history != NULL)
history_forward(g->bw, g->bw->history);
break;
case TOOLBAR_BUTTON_FORWARD_NEW:
ro_gui_window_action_navigate_forward_new(g);
break;
case TOOLBAR_BUTTON_STOP:
if (g->bw != NULL)
browser_window_stop(g->bw);
break;
case TOOLBAR_BUTTON_RELOAD:
if (g->bw != NULL)
browser_window_reload(g->bw, false);
break;
case TOOLBAR_BUTTON_RELOAD_ALL:
if (g->bw != NULL)
browser_window_reload(g->bw, true);
break;
case TOOLBAR_BUTTON_HISTORY_LOCAL:
ro_gui_window_action_local_history(g);
break;
case TOOLBAR_BUTTON_HISTORY_GLOBAL:
ro_gui_global_history_open();
break;
case TOOLBAR_BUTTON_HOME:
ro_gui_window_action_home(g);
break;
case TOOLBAR_BUTTON_SEARCH:
ro_gui_window_action_search(g);
break;
case TOOLBAR_BUTTON_SCALE:
ro_gui_window_action_zoom(g);
break;
case TOOLBAR_BUTTON_BOOKMARK_OPEN:
ro_gui_hotlist_open();
break;
case TOOLBAR_BUTTON_BOOKMARK_ADD:
ro_gui_window_action_add_bookmark(g);
break;
case TOOLBAR_BUTTON_SAVE_SOURCE:
ro_gui_window_action_save(g, GUI_SAVE_SOURCE);
break;
case TOOLBAR_BUTTON_SAVE_COMPLETE:
ro_gui_window_action_save(g, GUI_SAVE_COMPLETE);
break;
case TOOLBAR_BUTTON_PRINT:
ro_gui_window_action_print(g);
break;
case TOOLBAR_BUTTON_UP:
if (g->bw != NULL && g->bw->current_content != NULL)
ro_gui_window_navigate_up(g->bw->window,
nsurl_access(hlcache_handle_get_url(
g->bw->current_content)));
break;
case TOOLBAR_BUTTON_UP_NEW:
if (g->bw && g->bw->current_content) {
hlcache_handle *h = g->bw->current_content;
new_bw = browser_window_create(NULL,
g->bw, NULL, false,
false);
/* do it without loading the content
* into the new window */
ro_gui_window_navigate_up(new_bw->window,
nsurl_access(hlcache_handle_get_url(h)));
}
break;
default:
break;
}
ro_gui_window_update_toolbar_buttons(g);
}
/**
* Handle Message_DataLoad (file dragged in) for a toolbar
*
* \TODO -- This belongs in the toolbar module, and should be moved there
* once the module is able to usefully handle its own events.
*
* \param g window
* \param message Message_DataLoad block
* \return true if the load was processed
*/
bool ro_gui_toolbar_dataload(struct gui_window *g, wimp_message *message)
{
if (message->data.data_xfer.file_type == osfile_TYPE_TEXT &&
ro_gui_window_import_text(g, message->data.data_xfer.file_name, true)) {
os_error *error;
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE, message, message->sender);
if (error) {
LOG(("xwimp_send_message: 0x%x: %s\n",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
return true;
}
return false;
}
/*
* Helper code for the Wimp Event Handlers.
*/
/**
* Check if a particular menu handle is a browser window menu
*
* \param *menu The menu in question.
* \return true if this menu is a browser window menu
*/
bool ro_gui_window_check_menu(wimp_menu *menu)
{
return (ro_gui_browser_window_menu == menu) ? true : false;
}
/**
* Return boolean flags to show what RISC OS types we can sensibly convert
* the given object into.
*
* \TODO -- This should probably be somewhere else but in window.c, and
* should probably even be done in content_().
*
* \param *h The object to test.
* \param *export_draw true on exit if a drawfile would be possible.
* \param *export_sprite true on exit if a sprite would be possible.
* \return true if valid data is returned; else false.
*/
bool ro_gui_window_content_export_types(hlcache_handle *h,
bool *export_draw, bool *export_sprite)
{
bool found_type = false;
if (export_draw != NULL)
*export_draw = false;
if (export_sprite != NULL)
*export_sprite = false;
if (h != NULL && content_get_type(h) == CONTENT_IMAGE) {
switch (ro_content_native_type(h)) {
case osfile_TYPE_SPRITE:
/* bitmap types (Sprite export possible) */
found_type = true;
if (export_sprite != NULL)
*export_sprite = true;
break;
case osfile_TYPE_DRAW:
/* vector types (Draw export possible) */
found_type = true;
if (export_draw != NULL)
*export_draw = true;
break;
default:
break;
}
}
return found_type;
}
/**
* Return true if a browser window can navigate upwards.
*
* \TODO -- This should probably be somewhere else but in window.c.
*
* \param *bw the browser window to test.
* \return true if navigation up is possible; else false.
*/
bool ro_gui_window_up_available(struct browser_window *bw)
{
bool result = false, compare;
char *parent;
url_func_result res;
if (bw != NULL && bw->current_content != NULL) {
res = url_parent(nsurl_access(hlcache_handle_get_url(
bw->current_content)), &parent);
if (res == URL_FUNC_OK) {
res = url_compare(nsurl_access(hlcache_handle_get_url(
bw->current_content)),
parent, false, &compare);
if (res == URL_FUNC_OK)
result = !compare;
free(parent);
} else {
result = false;
}
}
return result;
}
/**
* Prepare the page info window for use.
*
* \param *g The GUI window block to use.
*/
void ro_gui_window_prepare_pageinfo(struct gui_window *g)
{
hlcache_handle *h = g->bw->current_content;
char icon_buf[20] = "file_xxx";
char enc_buf[40];
char enc_token[10] = "Encoding0";
const char *icon = icon_buf;
const char *title, *url;
lwc_string *mime;
const char *enc = "-";
assert(h);
title = content_get_title(h);
if (title == NULL)
title = "-";
url = nsurl_access(hlcache_handle_get_url(h));
if (url == NULL)
url = "-";
mime = content_get_mime_type(h);
sprintf(icon_buf, "file_%x", ro_content_filetype(h));
if (!ro_gui_wimp_sprite_exists(icon_buf))
sprintf(icon_buf, "file_xxx");
if (content_get_type(h) == CONTENT_HTML) {
if (html_get_encoding(h)) {
enc_token[8] = '0' + html_get_encoding_source(h);
snprintf(enc_buf, sizeof enc_buf, "%s (%s)",
html_get_encoding(h),
messages_get(enc_token));
enc = enc_buf;
} else {
enc = messages_get("EncodingUnk");
}
}
ro_gui_set_icon_string(dialog_pageinfo, ICON_PAGEINFO_ICON,
icon, true);
ro_gui_set_icon_string(dialog_pageinfo, ICON_PAGEINFO_TITLE,
title, true);
ro_gui_set_icon_string(dialog_pageinfo, ICON_PAGEINFO_URL,
url, true);
ro_gui_set_icon_string(dialog_pageinfo, ICON_PAGEINFO_ENC,
enc, true);
ro_gui_set_icon_string(dialog_pageinfo, ICON_PAGEINFO_TYPE,
lwc_string_data(mime), true);
lwc_string_unref(mime);
}
/**
* Prepare the object info window for use
*
* \param *object the object for which information is to be displayed
* \param *href corresponding href, if any
*/
void ro_gui_window_prepare_objectinfo(hlcache_handle *object, const char *href)
{
char icon_buf[20] = "file_xxx";
const char *url;
lwc_string *mime;
const char *target = "-";
sprintf(icon_buf, "file_%.3x",
ro_content_filetype(object));
if (!ro_gui_wimp_sprite_exists(icon_buf))
sprintf(icon_buf, "file_xxx");
url = nsurl_access(hlcache_handle_get_url(object));
if (url == NULL)
url = "-";
mime = content_get_mime_type(object);
if (href)
target = href;
ro_gui_set_icon_string(dialog_objinfo, ICON_OBJINFO_ICON,
icon_buf, true);
ro_gui_set_icon_string(dialog_objinfo, ICON_OBJINFO_URL,
url, true);
ro_gui_set_icon_string(dialog_objinfo, ICON_OBJINFO_TARGET,
target, true);
ro_gui_set_icon_string(dialog_objinfo, ICON_OBJINFO_TYPE,
lwc_string_data(mime), true);
lwc_string_unref(mime);
}
/*
* User Actions in the browser window
*/
/**
* Launch a new url in the given window.
*
* \param g gui_window to update
* \param url url to be launched
*/
void ro_gui_window_launch_url(struct gui_window *g, const char *url)
{
char *url2;
ro_gui_url_complete_close();
url2 = strdup(url);
if (url2 != NULL) {
gui_window_set_url(g, url2);
browser_window_go(g->bw, url2, 0, true);
free(url2);
}
}
/**
* Navigate up one level
*
* \param g the gui_window to open the parent link in
* \param url the URL to open the parent of
*/
bool ro_gui_window_navigate_up(struct gui_window *g, const char *url) {
char *parent;
url_func_result res;
bool compare;
if (!g || (!g->bw))
return false;
res = url_parent(url, &parent);
if (res == URL_FUNC_OK) {
res = url_compare(url, parent, false, &compare);
if ((res == URL_FUNC_OK) && !compare)
browser_window_go(g->bw, parent, 0, true);
free(parent);
}
return true;
}
/**
* Perform a Navigate Home action on a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_home(struct gui_window *g)
{
if (g == NULL || g->bw == NULL)
return;
if ((nsoption_charp(homepage_url)) && (nsoption_charp(homepage_url)[0])) {
browser_window_go(g->bw, nsoption_charp(homepage_url), 0, true);
} else {
browser_window_go(g->bw, NETSURF_HOMEPAGE, 0, true);
}
}
/**
* Navigate back from a browser window into a new window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_navigate_back_new(struct gui_window *g)
{
struct browser_window *new_bw;
if (g == NULL || g->bw == NULL)
return;
new_bw = browser_window_create(NULL, g->bw, NULL, false, false);
if (new_bw != NULL && new_bw->history != NULL)
history_back(new_bw, new_bw->history);
}
/**
* Navigate forward from a browser window into a new window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_navigate_forward_new(struct gui_window *g)
{
struct browser_window *new_bw;
if (g == NULL || g->bw == NULL)
return;
new_bw = browser_window_create(NULL, g->bw, NULL, false, false);
if (new_bw != NULL && new_bw->history != NULL)
history_forward(new_bw, new_bw->history);
}
/**
* Open a new browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_new_window(struct gui_window *g)
{
if (g == NULL || g->bw == NULL || g->bw->current_content == NULL)
return;
browser_window_create(nsurl_access(
hlcache_handle_get_url(g->bw->current_content)), g->bw,
0, false, false);
}
/**
* Open a local history pane for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_local_history(struct gui_window *g)
{
if (g != NULL && g->bw != NULL && g->bw->history != NULL)
ro_gui_history_open(g->bw, g->bw->history, true);
}
/**
* Open a save dialogue for a browser window contents.
*
* \param *g The browser window to act on.
* \param save_type The type of save to open.
*/
void ro_gui_window_action_save(struct gui_window *g, gui_save_type save_type)
{
if (g == NULL || g->bw == NULL || g->bw->current_content == NULL)
return;
ro_gui_save_prepare(save_type, g->bw->current_content,
NULL, NULL, NULL);
ro_gui_dialog_open_persistent(g->window, dialog_saveas, true);
}
/**
* Open a text search dialogue for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_search(struct gui_window *g)
{
if (g == NULL || g->bw == NULL || g->bw->current_content == NULL ||
(content_get_type(g->bw->current_content) !=
CONTENT_HTML &&
content_get_type(g->bw->current_content) !=
CONTENT_TEXTPLAIN))
return;
ro_gui_search_prepare(g->bw);
ro_gui_dialog_open_persistent(g->window, dialog_search, true);
}
/**
* Open a zoom dialogue for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_zoom(struct gui_window *g)
{
if (g == NULL)
return;
ro_gui_dialog_prepare_zoom(g);
ro_gui_dialog_open_persistent(g->window, dialog_zoom, true);
}
/**
* Add a hotlist entry for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_add_bookmark(struct gui_window *g)
{
if (g == NULL || g->bw == NULL || g->bw->current_content == NULL ||
hlcache_handle_get_url(g->bw->current_content) == NULL)
return;
ro_gui_hotlist_add_page(nsurl_access(hlcache_handle_get_url(g->bw->current_content)));
}
/**
* Open a print dialogue for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_print(struct gui_window *g)
{
if (g == NULL)
return;
ro_gui_print_prepare(g);
ro_gui_dialog_open_persistent(g->window, dialog_print, true);
}
/**
* Open a page info box for a browser window.
*
* \param *g The browser window to act on.
*/
void ro_gui_window_action_page_info(struct gui_window *g)
{
if (g == NULL || g->bw == NULL || g->bw->current_content == NULL)
return;
ro_gui_window_prepare_pageinfo(g);
ro_gui_dialog_open_persistent(g->window, dialog_pageinfo, false);
}
/*
* Window and Toolbar Redraw and Update
*/
/**
* Redraws the content for all windows.
*/
void ro_gui_window_redraw_all(void)
{
struct gui_window *g;
for (g = window_list; g; g = g->next)
gui_window_redraw_window(g);
}
/**
* Remove all pending update boxes for a window
*
* \param g gui_window
*/
void ro_gui_window_remove_update_boxes(struct gui_window *g)
{
struct update_box *cur;
for (cur = pending_updates; cur != NULL; cur = cur->next) {
if (cur->g == g)
cur->g = NULL;
}
}
/**
* Redraw any pending update boxes.
*/
void ro_gui_window_update_boxes(void)
{
osbool more;
bool use_buffer;
wimp_draw update;
struct rect clip;
os_error *error;
struct update_box *cur;
struct gui_window *g;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &ro_plotters
};
for (cur = pending_updates; cur != NULL; cur = cur->next) {
g = cur->g;
if (!g)
continue;
use_buffer = cur->use_buffer;
update.w = g->window;
update.box.x0 = cur->x0;
update.box.y0 = cur->y0;
update.box.x1 = cur->x1;
update.box.y1 = cur->y1;
error = xwimp_update_window(&update, &more);
if (error) {
LOG(("xwimp_update_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
continue;
}
/* Set the current redraw gui_window to get options from */
ro_gui_current_redraw_gui = g;
ro_plot_origin_x = update.box.x0 - update.xscroll;
ro_plot_origin_y = update.box.y1 - update.yscroll;
while (more) {
clip.x0 = (update.clip.x0 - ro_plot_origin_x) / 2;
clip.y0 = (ro_plot_origin_y - update.clip.y1) / 2;
clip.x1 = (update.clip.x1 - ro_plot_origin_x) / 2;
clip.y1 = (ro_plot_origin_y - update.clip.y0) / 2;
if (use_buffer)
ro_gui_buffer_open(&update);
browser_window_redraw(g->bw, 0, 0, &clip, &ctx);
if (use_buffer)
ro_gui_buffer_close();
error = xwimp_get_rectangle(&update, &more);
/* RISC OS 3.7 returns an error here if enough buffer
* was claimed to cause a new dynamic area to be
* created. It doesn't actually stop anything working,
* so we mask it out for now until a better fix is
* found. This appears to be a bug in RISC OS. */
if (error && !(use_buffer &&
error->errnum == error_WIMP_GET_RECT)) {
LOG(("xwimp_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
ro_gui_current_redraw_gui = NULL;
continue;
}
}
/* Reset the current redraw gui_window to prevent
* thumbnails from retaining options */
ro_gui_current_redraw_gui = NULL;
}
while (pending_updates) {
cur = pending_updates;
pending_updates = pending_updates->next;
free(cur);
}
}
/**
* Process pending reformats
*/
void ro_gui_window_process_reformats(void)
{
struct gui_window *g;
browser_reformat_pending = false;
for (g = window_list; g; g = g->next) {
if (!g->bw->reformat_pending)
continue;
g->bw->reformat_pending = false;
browser_window_reformat(g->bw, false,
g->old_width / 2,
g->old_height / 2);
}
}
/**
* Destroy all browser windows.
*/
void ro_gui_window_quit(void)
{
struct gui_window *cur;
while (window_list) {
cur = window_list;
window_list = window_list->next;
browser_window_destroy(cur->bw);
}
}
/**
* Animate the "throbbers" of all browser windows.
*/
void ro_gui_throb(void)
{
struct gui_window *g;
struct browser_window *top;
for (g = window_list; g; g = g->next) {
if (!g->bw->throbbing)
continue;
for (top = g->bw; top->parent; top = top->parent);
if (top->window != NULL && top->window->toolbar != NULL)
ro_toolbar_throb(top->window->toolbar);
}
}
/**
* Update the toolbar buttons for a given browser window to reflect the
* current state of its contents.
*
* Note that the parameters to this function are arranged so that it can be
* supplied to the toolbar module as an button state update callback.
*
* \param *g The browser window to update.
*/
void ro_gui_window_update_toolbar_buttons(struct gui_window *g)
{
struct browser_window *bw;
hlcache_handle *h;
struct toolbar *toolbar;
if (g == NULL || g->toolbar == NULL)
return;
bw = g->bw;
h = bw->current_content;
toolbar = g->toolbar;
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_RELOAD,
!browser_window_reload_available(bw));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_STOP,
!browser_window_stop_available(bw));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_BACK,
!browser_window_back_available(bw));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_FORWARD,
!browser_window_forward_available(bw));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_UP,
!ro_gui_window_up_available(bw));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_SEARCH,
h == NULL || (content_get_type(h) != CONTENT_HTML &&
content_get_type(h) != CONTENT_TEXTPLAIN));
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_SCALE,
h == NULL);
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_PRINT,
h == NULL);
ro_toolbar_set_button_shaded_state(toolbar, TOOLBAR_BUTTON_SAVE_SOURCE,
h == NULL);
ro_toolbar_update_urlsuggest(toolbar);
}
/**
* Update a window to reflect a change in toolbar size: used as a callback by
* the toolbar module when a toolbar height changes.
*
* \param *data void pointer the window's gui_window struct
*/
void ro_gui_window_update_toolbar(void *data)
{
struct gui_window *g = (struct gui_window *) data;
if (g != NULL)
gui_window_update_extent(g);
}
/**
* Save a new toolbar button configuration: used as a callback by the toolbar
* module when a buttonbar edit has finished.
*
* \param *data void pointer to the window's gui_window struct
* \param *config pointer to a malloc()'d button config string.
*/
void ro_gui_window_save_toolbar_buttons(void *data, char *config)
{
nsoption_set_charp(toolbar_browser, config);
ro_gui_save_options();
}
/**
* Update a window and its toolbar to reflect a new theme: used as a callback
* by the toolbar module when a theme change affects a toolbar.
*
* \param *data void pointer to the window's gui_window struct
* \param ok true if the bar still exists; else false.
*/
void ro_gui_window_update_theme(void *data, bool ok)
{
struct gui_window *g = (struct gui_window *) data;
if (g != NULL && g->toolbar != NULL) {
if (ok) {
gui_window_update_extent(g);
} else {
g->toolbar = NULL;
}
}
}
/*
* General Window Support
*/
/**
* Import text file into window or its toolbar
*
* \param g gui window containing textarea
* \param filename pathname of file to be imported
* \param toolbar true iff imported to toolbar rather than main window
* \return true iff successful
*/
bool ro_gui_window_import_text(struct gui_window *g, const char *filename,
bool toolbar)
{
fileswitch_object_type obj_type;
os_error *error;
char *buf, *utf8_buf;
int size;
utf8_convert_ret ret;
error = xosfile_read_stamped(filename, &obj_type, NULL, NULL,
&size, NULL, NULL);
if (error) {
LOG(("xosfile_read_stamped: 0x%x:%s",
error->errnum, error->errmess));
warn_user("FileError", error->errmess);
return true; /* was for us, but it didn't work! */
}
/* Allocate one byte more than needed to ensure that the buffer is
* always terminated, regardless of file contents.
*/
buf = calloc(size + 1, sizeof(char));
if (!buf) {
warn_user("NoMemory", NULL);
return true;
}
error = xosfile_load_stamped(filename, (byte*)buf,
NULL, NULL, NULL, NULL, NULL);
if (error) {
LOG(("xosfile_load_stamped: 0x%x:%s",
error->errnum, error->errmess));
warn_user("LoadError", error->errmess);
free(buf);
return true;
}
ret = utf8_from_local_encoding(buf, size, &utf8_buf);
if (ret != UTF8_CONVERT_OK) {
/* bad encoding shouldn't happen */
assert(ret != UTF8_CONVERT_BADENC);
LOG(("utf8_from_local_encoding failed"));
free(buf);
warn_user("NoMemory", NULL);
return true;
}
size = strlen(utf8_buf);
if (toolbar) {
const char *ep = utf8_buf + size;
const char *sp;
char *p = utf8_buf;
/* skip leading whitespace */
while (isspace(*p)) p++;
sp = p;
while (*p && *p != '\r' && *p != '\n')
p += utf8_next(p, ep - p, 0);
*p = '\0';
if (p > sp)
ro_gui_window_launch_url(g, sp);
}
else
browser_window_paste_text(g->bw, utf8_buf, size, true);
free(buf);
free(utf8_buf);
return true;
}
/**
* Clones a browser window's options.
*
* \param new_bw the new browser window
* \param old_bw the browser window to clone from, or NULL for default
*/
void ro_gui_window_clone_options(struct browser_window *new_bw,
struct browser_window *old_bw)
{
struct gui_window *old_gui = NULL;
struct gui_window *new_gui;
assert(new_bw);
/* Get our GUIs
*/
new_gui = new_bw->window;
if (old_bw)
old_gui = old_bw->window;
/* Clone the basic options
*/
if (!old_gui) {
new_bw->scale = ((float)nsoption_int(scale)) / 100;
new_gui->option.buffer_animations = nsoption_bool(buffer_animations);
new_gui->option.buffer_everything = nsoption_bool(buffer_everything);
} else {
new_gui->option = old_gui->option;
}
/* Set up the toolbar
*/
if (new_gui->toolbar) {
ro_toolbar_set_display_buttons(new_gui->toolbar,
nsoption_bool(toolbar_show_buttons));
ro_toolbar_set_display_url(new_gui->toolbar,
nsoption_bool(toolbar_show_address));
ro_toolbar_set_display_throbber(new_gui->toolbar,
nsoption_bool(toolbar_show_throbber));
if ((old_gui) && (old_gui->toolbar)) {
ro_toolbar_set_display_buttons(new_gui->toolbar,
ro_toolbar_get_display_buttons(
old_gui->toolbar));
ro_toolbar_set_display_url(new_gui->toolbar,
ro_toolbar_get_display_url(
old_gui->toolbar));
ro_toolbar_set_display_throbber(new_gui->toolbar,
ro_toolbar_get_display_throbber(
old_gui->toolbar));
ro_toolbar_process(new_gui->toolbar, -1, true);
}
}
}
/**
* Makes a browser window's options the default.
*
* \param bw the browser window to read options from
*/
void ro_gui_window_default_options(struct browser_window *bw)
{
struct gui_window *gui;
assert(bw);
/* Get our GUI
*/
gui = bw->window;
if (!gui) return;
/* Save the basic options
*/
nsoption_set_int(scale, bw->scale * 100);
nsoption_set_bool(buffer_animations, gui->option.buffer_animations);
nsoption_set_bool(buffer_everything, gui->option.buffer_everything);
/* Set up the toolbar
*/
if (gui->toolbar != NULL) {
nsoption_set_bool(toolbar_show_buttons,
ro_toolbar_get_display_buttons(gui->toolbar));
nsoption_set_bool(toolbar_show_address,
ro_toolbar_get_display_url(gui->toolbar));
nsoption_set_bool(toolbar_show_throbber,
ro_toolbar_get_display_throbber(gui->toolbar));
}
if (gui->status_bar != NULL)
nsoption_set_int(toolbar_status_width,
ro_gui_status_bar_get_width(gui->status_bar));
}
/*
* Custom Menu Support
*/
/**
* Prepare or reprepare a form select menu, setting up the menu handle
* globals in the process.
*
* \param *bw The browser window to contain the menu.
* \param *control The form control needing a menu.
* \return true if the menu is OK to be opened; else false.
*/
bool ro_gui_window_prepare_form_select_menu(struct browser_window *bw,
struct form_control *control)
{
unsigned int i, entries;
char *text_convert, *temp;
struct form_option *option;
bool reopen = true;
utf8_convert_ret err;
assert(control);
for (entries = 0, option = control->data.select.items; option;
option = option->next)
entries++;
if (entries == 0) {
ro_gui_menu_closed();
return false;
}
ro_gui_select_menu_bw = bw;
if ((gui_form_select_menu) && (control != gui_form_select_control)) {
for (i = 0; ; i++) {
free(gui_form_select_menu->entries[i].data.
indirected_text.text);
if (gui_form_select_menu->entries[i].menu_flags &
wimp_MENU_LAST)
break;
}
free(gui_form_select_menu->title_data.indirected_text.text);
free(gui_form_select_menu);
gui_form_select_menu = 0;
}
if (!gui_form_select_menu) {
reopen = false;
gui_form_select_menu = malloc(wimp_SIZEOF_MENU(entries));
if (!gui_form_select_menu) {
warn_user("NoMemory", 0);
ro_gui_menu_closed();
return false;
}
err = utf8_to_local_encoding(messages_get("SelectMenu"), 0,
&text_convert);
if (err != UTF8_CONVERT_OK) {
/* badenc should never happen */
assert(err != UTF8_CONVERT_BADENC);
LOG(("utf8_to_local_encoding failed"));
warn_user("NoMemory", 0);
ro_gui_menu_closed();
return false;
}
gui_form_select_menu->title_data.indirected_text.text =
text_convert;
ro_gui_menu_init_structure(gui_form_select_menu, entries);
}
for (i = 0, option = control->data.select.items; option;
i++, option = option->next) {
gui_form_select_menu->entries[i].menu_flags = 0;
if (option->selected)
gui_form_select_menu->entries[i].menu_flags =
wimp_MENU_TICKED;
if (!reopen) {
/* convert spaces to hard spaces to stop things
* like 'Go Home' being treated as if 'Home' is a
* keyboard shortcut and right aligned in the menu.
*/
temp = cnv_space2nbsp(option->text);
if (!temp) {
LOG(("cnv_space2nbsp failed"));
warn_user("NoMemory", 0);
ro_gui_menu_closed();
return false;
}
err = utf8_to_local_encoding(temp,
0, &text_convert);
if (err != UTF8_CONVERT_OK) {
/* A bad encoding should never happen,
* so assert this */
assert(err != UTF8_CONVERT_BADENC);
LOG(("utf8_to_enc failed"));
warn_user("NoMemory", 0);
ro_gui_menu_closed();
return false;
}
free(temp);
gui_form_select_menu->entries[i].data.indirected_text.text =
text_convert;
gui_form_select_menu->entries[i].data.indirected_text.size =
strlen(gui_form_select_menu->entries[i].
data.indirected_text.text) + 1;
}
}
gui_form_select_menu->entries[0].menu_flags |=
wimp_MENU_TITLE_INDIRECTED;
gui_form_select_menu->entries[i - 1].menu_flags |= wimp_MENU_LAST;
return true;
}
/**
* Process selections from a form select menu, passing them back to the core.
*
* \param *g The browser window affected by the menu.
* \param *selection The menu selection.
*/
void ro_gui_window_process_form_select_menu(struct gui_window *g,
wimp_selection *selection)
{
assert(g != NULL);
if (selection->items[0] >= 0)
form_select_process_selection(
ro_gui_select_menu_bw->current_content,
gui_form_select_control,
selection->items[0]);
}
/*
* Window and Toolbar Lookup
*/
/**
* Convert a RISC OS window handle to a gui_window.
*
* \param w RISC OS window handle
* \return pointer to a structure if found, 0 otherwise
*/
struct gui_window *ro_gui_window_lookup(wimp_w window)
{
struct gui_window *g;
for (g = window_list; g; g = g->next)
if (g->window == window)
return g;
return 0;
}
/**
* Convert a toolbar RISC OS window handle to a gui_window.
*
* \param w RISC OS window handle of a toolbar
* \return pointer to a structure if found, 0 otherwise
*/
struct gui_window *ro_gui_toolbar_lookup(wimp_w window)
{
struct gui_window *g = NULL;
struct toolbar *toolbar;
wimp_w parent;
toolbar = ro_toolbar_window_lookup(window);
if (toolbar != NULL) {
parent = ro_toolbar_get_parent_window(toolbar);
g = ro_gui_window_lookup(parent);
}
return g;
}
/*
* Core to RISC OS Conversions
*/
/**
* Convert x,y screen co-ordinates into window co-ordinates.
*
* \param g gui window
* \param x x ordinate
* \param y y ordinate
* \param pos receives position in window co-ordinatates
* \return true iff conversion successful
*/
bool ro_gui_window_to_window_pos(struct gui_window *g, int x, int y,
os_coord *pos)
{
wimp_window_state state;
os_error *error;
assert(g);
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x:%s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
pos->x = (x - (state.visible.x0 - state.xscroll)) / 2 / g->bw->scale;
pos->y = ((state.visible.y1 - state.yscroll) - y) / 2 / g->bw->scale;
return true;
}
/**
* Convert x,y window co-ordinates into screen co-ordinates.
*
* \param g gui window
* \param x x ordinate
* \param y y ordinate
* \param pos receives position in screen co-ordinatates
* \return true iff conversion successful
*/
bool ro_gui_window_to_screen_pos(struct gui_window *g, int x, int y,
os_coord *pos)
{
wimp_window_state state;
os_error *error;
assert(g);
state.w = g->window;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x:%s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return false;
}
pos->x = (x * 2 * g->bw->scale) + (state.visible.x0 - state.xscroll);
pos->y = (state.visible.y1 - state.yscroll) - (y * 2 * g->bw->scale);
return true;
}
/*
* Miscellaneous Functions
*
* \TODO -- These items might well belong elsewhere.
*/
/**
* Returns the state of the mouse buttons and modifiers keys for a
* mouse action, suitable for passing to the OS-independent
* browser window/ treeview/ etc code.
*
* \param buttons Wimp button state.
* \param type Wimp work-area/icon type for decoding.
* \return NetSurf core button state.
*/
browser_mouse_state ro_gui_mouse_click_state(wimp_mouse_state buttons,
wimp_icon_flags type)
{
browser_mouse_state state = 0; /* Blank state with nothing set */
switch (type) {
case wimp_BUTTON_CLICK_DRAG: /* Used for browser window */
/* Handle single clicks. */
/* We fire core PRESS and CLICK events together for "action on
* press" behaviour. */
if (buttons & (wimp_CLICK_SELECT)) /* Select click */
state |= BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1;
if (buttons & (wimp_CLICK_ADJUST)) /* Adjust click */
state |= BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2;
break;
case wimp_BUTTON_DOUBLE_CLICK_DRAG: /* Used for treeview window */
/* Handle single and double clicks. */
/* Single clicks: Fire PRESS and CLICK events together
* for "action on press" behaviour. */
if (buttons & (wimp_SINGLE_SELECT)) /* Select single click */
state |= BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1;
if (buttons & (wimp_SINGLE_ADJUST)) /* Adjust single click */
state |= BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2;
/* Double clicks: Fire PRESS, CLICK, and DOUBLE_CLICK
* events together for "action on 2nd press" behaviour. */
if (buttons & (wimp_DOUBLE_SELECT)) /* Select double click */
state |= BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1 |
BROWSER_MOUSE_DOUBLE_CLICK;
if (buttons & (wimp_DOUBLE_ADJUST)) /* Adjust double click */
state |= BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2 |
BROWSER_MOUSE_DOUBLE_CLICK;
break;
}
/* Check if a drag has started */
if (buttons & (wimp_DRAG_SELECT)) {
/* A drag was _started_ with Select; Fire DRAG_1. */
state |= BROWSER_MOUSE_DRAG_1;
mouse_drag_select = true;
}
if (buttons & (wimp_DRAG_ADJUST)) {
/* A drag was _started_ with Adjust; Fire DRAG_2. */
state |= BROWSER_MOUSE_DRAG_2;
mouse_drag_adjust = true;
}
/* Set modifier key state */
if (ro_gui_shift_pressed()) state |= BROWSER_MOUSE_MOD_1;
if (ro_gui_ctrl_pressed()) state |= BROWSER_MOUSE_MOD_2;
if (ro_gui_alt_pressed()) state |= BROWSER_MOUSE_MOD_3;
return state;
}
/**
* Returns the state of the mouse buttons and modifiers keys whilst
* dragging, for passing to the OS-independent browser window/ treeview/
* etc code
*
* \param buttons Wimp button state.
* \param type Wimp work-area/icon type for decoding.
* \return NetSurf core button state.
*/
browser_mouse_state ro_gui_mouse_drag_state(wimp_mouse_state buttons,
wimp_icon_flags type)
{
browser_mouse_state state = 0; /* Blank state with nothing set */
/* If mouse buttons aren't held, turn off drags */
if (!(buttons & (wimp_CLICK_SELECT) || buttons & (wimp_CLICK_ADJUST))) {
mouse_drag_select = false;
mouse_drag_adjust = false;
}
/* If there's a drag happening, set DRAG_ON and record which button
* the drag is happening with, i.e. HOLDING_1 or HOLDING_2 */
if (mouse_drag_select) {
state |= BROWSER_MOUSE_DRAG_ON | BROWSER_MOUSE_HOLDING_1;
}
if (mouse_drag_adjust) {
state |= BROWSER_MOUSE_DRAG_ON | BROWSER_MOUSE_HOLDING_2;
}
/* Set modifier key state */
if (ro_gui_shift_pressed()) state |= BROWSER_MOUSE_MOD_1;
if (ro_gui_ctrl_pressed()) state |= BROWSER_MOUSE_MOD_2;
if (ro_gui_alt_pressed()) state |= BROWSER_MOUSE_MOD_3;
return state;
}
/**
* Returns true iff one or more Shift keys is held down
*/
bool ro_gui_shift_pressed(void)
{
int shift = 0;
xosbyte1(osbyte_SCAN_KEYBOARD, 0 ^ 0x80, 0, &shift);
return (shift == 0xff);
}
/**
* Returns true iff one or more Ctrl keys is held down
*/
bool ro_gui_ctrl_pressed(void)
{
int ctrl = 0;
xosbyte1(osbyte_SCAN_KEYBOARD, 1 ^ 0x80, 0, &ctrl);
return (ctrl == 0xff);
}
/**
* Returns true iff one or more Alt keys is held down
*/
bool ro_gui_alt_pressed(void)
{
int alt = 0;
xosbyte1(osbyte_SCAN_KEYBOARD, 2 ^ 0x80, 0, &alt);
return (alt == 0xff);
}
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