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netsurf/riscos/window.c

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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 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/frames.h"
#include "desktop/mouse.h"
#include "desktop/plotters.h"
#include "desktop/textinput.h"
#include "desktop/thumbnail.h"
#include "desktop/tree.h"
#include "desktop/gui.h"
#include "render/box.h"
#include "render/form.h"
#include "riscos/bitmap.h"
#include "riscos/buffer.h"
#include "riscos/dialog.h"
#include "riscos/global_history.h"
#include "riscos/gui.h"
#include "riscos/gui/status_bar.h"
#include "riscos/menus.h"
#include "riscos/options.h"
#include "riscos/oslib_pre7.h"
#include "riscos/save.h"
#include "riscos/sprite.h"
#include "riscos/theme.h"
#include "riscos/thumbnail.h"
#include "riscos/url_complete.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/wimputils.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"
#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;
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 },
};
static void ro_gui_window_remove_update_boxes(struct gui_window *g);
static void gui_window_set_extent(struct gui_window *g, int width, int height);
static void ro_gui_window_open(wimp_open *open);
static void ro_gui_window_close(wimp_w w);
static void ro_gui_window_redraw(wimp_draw *redraw);
static bool ro_gui_window_click(wimp_pointer *mouse);
static bool ro_gui_window_keypress(wimp_key *key);
static void ro_gui_window_launch_url(struct gui_window *g, const char *url);
static void ro_gui_window_clone_options(struct browser_window *new_bw,
struct browser_window *old_bw);
static bool ro_gui_window_import_text(struct gui_window *g,
const char *filename, bool toolbar);
struct update_box {
int x0;
int y0;
int x1;
int y1;
bool use_buffer;
struct gui_window *g;
union content_msg_data data;
struct update_box *next;
};
struct update_box *pending_updates;
#define MARGIN 4
/**
* 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->throbber = 0;
g->throbtime = 0;
g->iconise_icon = -1;
/* Set the window position */
if (bw->parent) {
window.visible.x0 = 0;
window.visible.x1 = 64;
window.visible.y0 = 0;
window.visible.y1 = 64;
open_centred = false;
} else if (clone && clone->window && option_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 ((option_window_screen_width != 0) &&
(option_window_screen_height != 0)) {
win_width = (option_window_width * screen_width) /
option_window_screen_width;
win_height = (option_window_height * screen_height) /
option_window_screen_height;
window.visible.x0 = (option_window_x * screen_width) /
option_window_screen_width;
window.visible.y0 = (option_window_y * screen_height) /
option_window_screen_height;
if (option_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 for our window type */
switch (bw->browser_window_type) {
case BROWSER_WINDOW_FRAMESET:
window.flags &= ~(wimp_WINDOW_VSCROLL |
wimp_WINDOW_HSCROLL);
window.title_fg = 0xff;
break;
case BROWSER_WINDOW_IFRAME:
window.flags |= wimp_WINDOW_NO_BOUNDS;
case BROWSER_WINDOW_FRAME:
if (bw->scrolling == SCROLLING_NO)
window.flags &= ~(wimp_WINDOW_VSCROLL |
wimp_WINDOW_HSCROLL);
if (bw->scrolling == SCROLLING_AUTO)
window.flags &= ~wimp_WINDOW_HSCROLL;
if (!bw->border)
window.title_fg = 0xff;
else {
/* set the correct border colour */
unsigned int col;
col = bw->border_colour & 0xffffff;
sprintf(g->validation, "C%.6x", col);
window.extra_flags |= wimp_WINDOW_USE_TITLE_VALIDATION_STRING;
window.title_data.indirected_text.validation = g->validation;
}
break;
case BROWSER_WINDOW_NORMAL:
window.flags |= wimp_WINDOW_SIZE_ICON |
wimp_WINDOW_BACK_ICON |
wimp_WINDOW_CLOSE_ICON |
wimp_WINDOW_TITLE_ICON |
wimp_WINDOW_TOGGLE_ICON;
break;
}
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 */
if (bw->browser_window_type == BROWSER_WINDOW_NORMAL) {
g->status_bar = ro_gui_status_bar_create(g->window, option_toolbar_status_width);
g->toolbar = ro_gui_theme_create_toolbar(NULL, THEME_BROWSER_TOOLBAR);
ro_gui_theme_attach_toolbar(g->toolbar, g->window);
} else {
g->toolbar = NULL;
}
/* Set the window options */
bw->window = g;
ro_gui_window_clone_options(bw, clone);
ro_gui_prepare_navigate(g);
/* Register event handlers */
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_keypress(g->window, ro_gui_window_keypress);
if (g->toolbar)
ro_gui_wimp_event_register_keypress(g->toolbar->toolbar_handle,
ro_gui_window_keypress);
ro_gui_wimp_event_register_mouse_click(g->window, ro_gui_window_click);
/* 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;
if (bw->parent) {
top = browser_window_owner(bw);
error = xwimp_open_window_nested(PTR_WIMP_OPEN(&state),
top->window->window,
wimp_CHILD_LINKS_PARENT_WORK_AREA
<< wimp_CHILD_XORIGIN_SHIFT |
wimp_CHILD_LINKS_PARENT_WORK_AREA
<< wimp_CHILD_YORIGIN_SHIFT);
if (error) {
LOG(("xwimp_open_window_nested: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
ro_gui_window_open(PTR_WIMP_OPEN(&state));
/* Claim the caret for top-level windows */
if (bw->browser_window_type == BROWSER_WINDOW_NORMAL) {
if (g->toolbar && g->toolbar->display_url) {
error = xwimp_set_caret_position(
g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL, -1, -1, -1, 0);
ro_gui_url_complete_start(g);
if (error) {
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
} 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_gui_theme_destroy_toolbar(g->toolbar);
if (g->status_bar)
ro_gui_status_bar_destroy(g->status_bar);
w = g->window;
ro_gui_url_complete_close(NULL, 0);
ro_gui_dialog_close_persistent(w);
if (current_menu_window == w)
ro_gui_menu_closed(true);
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);
}
/* only top-level parents have titlebars */
if (!g->bw->parent)
ro_gui_set_window_title(g->window, g->title);
}
/**
* Force a redraw of part of the contents of a browser window.
*
* \param g gui_window to redraw
* \param x0 rectangle to redraw
* \param y0 rectangle to redraw
* \param x1 rectangle to redraw
* \param y1 rectangle to redraw
*/
void gui_window_redraw(struct gui_window *g, int x0, int y0, int x1, int y1)
{
os_error *error;
assert(g);
error = xwimp_force_redraw(g->window, x0 * 2, -y1 * 2, x1 * 2, -y0 * 2);
if (error) {
LOG(("xwimp_force_redraw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
/**
* 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 union content_msg_data *data)
{
hlcache_handle *h = g->bw->current_content;
bool use_buffer;
int x0, y0, x1, y1;
struct update_box *cur;
if (!h)
return;
x0 = floorf(data->redraw.x * 2 * g->bw->scale);
y0 = -ceilf((data->redraw.y + data->redraw.height) * 2 * g->bw->scale);
x1 = ceilf((data->redraw.x + data->redraw.width) * 2 * g->bw->scale) + 1;
y1 = -floorf(data->redraw.y * 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;
cur->data = *data;
}
/**
* 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_gui_theme_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_gui_theme_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_gui_theme_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));
}
/**
* Opens a frame at a specified position.
*
* \param g child gui_window to open
* \param x0 left point to open at
* \param y0 bottom point to open at
* \param x1 right point to open at
* \param y1 top point to open at
*/
void gui_window_position_frame(struct gui_window *g, int x0, int y0, int x1, int y1)
{
wimp_window_state state;
os_error *error;
int px0, py1;
struct browser_window *bw;
struct browser_window *parent;
struct browser_window *top;
float scale = 1.0;
assert(g);
bw = g->bw;
assert(bw);
parent = bw->parent;
assert(parent);
top = browser_window_owner(bw);
/* store position for children */
if (parent->browser_window_type == BROWSER_WINDOW_IFRAME) {
bw->x0 = x0;
bw->y0 = y0;
bw->x1 = x1;
bw->y1 = y1;
} else {
bw->x0 = x0 = parent->x0 + x0;
bw->y0 = y0 = parent->y0 + y0;
bw->x1 = x1 = parent->x0 + x1;
bw->y1 = y1 = parent->y0 + y1;
}
/* only scale iframe locations */
if (bw->browser_window_type == BROWSER_WINDOW_IFRAME)
scale = g->bw->scale;
/* get the position of the top level window */
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);
return;
}
px0 = state.visible.x0 - state.xscroll;
py1 = state.visible.y1 - state.yscroll;
/* get our current window state */
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->bw->border) {
x0 -= 1;
y0 -= 1;
x1 += 1;
y1 += 1;
}
x1 = x1 * 2 * scale;
y1 = y1 * 2 * scale;
/* scrollbars must go inside */
if (state.flags & wimp_WINDOW_HSCROLL) {
y1 -= ro_get_hscroll_height(NULL);
if (g->bw->border)
y1 += 2;
}
if (state.flags & wimp_WINDOW_VSCROLL) {
x1 -= ro_get_vscroll_width(NULL);
if (g->bw->border)
x1 += 2;
}
state.visible.x0 = px0 + x0 * 2 * scale;
state.visible.y0 = py1 - y1;
state.visible.x1 = px0 + x1;
state.visible.y1 = py1 - y0 * 2 * scale;
g->update_extent = true;
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_state state;
bool update;
unsigned int flags;
int scroll = 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;
}
/* scroll on toolbar height change */
if (g->toolbar) {
scroll = ro_gui_theme_height_change(g->toolbar);
state.yscroll -= scroll;
}
/* only allow a further reformat if we've gained/lost scrollbars */
flags = state.flags & (wimp_WINDOW_HSCROLL | wimp_WINDOW_VSCROLL);
update = g->bw->reformat_pending;
g->update_extent = true;
ro_gui_window_open(PTR_WIMP_OPEN(&state));
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;
if ((scroll != 0) && (g->bw->children))
browser_window_recalculate_frameset(g->bw);
}
/**
* 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)
{
wimp_caret caret;
os_error *error;
const char *toolbar_url;
if (!g->toolbar)
return;
ro_gui_set_icon_string(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL, url, true);
ro_gui_force_redraw_icon(g->toolbar->toolbar_handle,
ICON_TOOLBAR_FAVICON);
/* if the caret is in the address bar, move it to the end */
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->toolbar->toolbar_handle &&
caret.i == ICON_TOOLBAR_URL))
return;
toolbar_url = ro_gui_get_icon_string(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL);
error = xwimp_set_caret_position(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL, 0, 0, -1, (int)strlen(toolbar_url));
if (error) {
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
ro_gui_url_complete_start(g);
}
/**
* 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_menu_objects_moved();
ro_gui_prepare_navigate(g);
xos_read_monotonic_time(&g->throbtime);
g->throbber = 0;
}
/**
* Update the interface to reflect page loading stopped.
*
* \param g window with start of load
*/
void gui_window_stop_throbber(struct gui_window *g)
{
char throb_buf[12];
ro_gui_prepare_navigate(g);
g->throbber = 0;
if (g->toolbar) {
strcpy(throb_buf, "throbber0");
ro_gui_set_icon_string(g->toolbar->toolbar_handle,
ICON_TOOLBAR_THROBBER, throb_buf, true);
if ((g->toolbar->descriptor) && (g->toolbar->descriptor->throbber_redraw))
ro_gui_force_redraw_icon(g->toolbar->toolbar_handle,
ICON_TOOLBAR_THROBBER);
}
}
/**
* set favicon
*/
void gui_window_set_icon(struct gui_window *g, hlcache_handle *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 * g->bw->scale,
-(y + height) * 2 * g->bw->scale,
height * 2 * g->bw->scale, -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_objects_moved();
ro_gui_prepare_navigate(g);
ro_gui_dialog_close_persistent(g->window);
}
/**
* 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_gui_theme_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 a box scrolling operation,
* for frames and textareas.
*
* \param x0 minimum x ordinate of box relative to mouse pointer
* \param y0 minimum y ordinate
* \param x1 maximum x ordinate
* \param y1 maximum y ordinate
* \return true iff succesful
*/
bool gui_window_box_scroll_start(struct gui_window *g, int x0, int y0, int x1, int y1)
{
wimp_pointer pointer;
os_error *error;
wimp_drag drag;
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)(x0 * 2 * g->bw->scale);
drag.bbox.y0 = pointer.pos.y + (int)(y0 * 2 * g->bw->scale);
drag.bbox.x1 = pointer.pos.x + (int)(x1 * 2 * g->bw->scale);
drag.bbox.y1 = pointer.pos.y + (int)(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;
}
gui_current_drag_type = GUI_DRAG_SCROLL;
return true;
}
/**
* Starts drag resizing of a browser frame
*
* \param gw gui window
*/
bool gui_window_frame_resize_start(struct gui_window *g)
{
wimp_pointer pointer;
os_error *error;
wimp_drag drag;
int x0, y0, x1, y1;
int row = -1, col = -1, i, toolbar_height = 0;
struct browser_window *top, *bw, *parent;
wimp_window_state state;
/* get the maximum drag box (collapse all surrounding frames */
bw = g->bw;
parent = bw->parent;
x0 = bw->x0;
y0 = bw->y0;
x1 = bw->x1;
y1 = bw->y1;
for (i = 0; i < (parent->cols * parent->rows); i++) {
if (&parent->children[i] == bw) {
col = i % parent->cols;
row = i / parent->cols;
}
}
assert((row >= 0) && (col >= 0));
if (bw->drag_resize_left)
x0 = parent->children[row * parent->cols + (col - 1)].x0;
if (bw->drag_resize_right)
x1 = parent->children[row * parent->cols + (col + 1)].x1;
if (bw->drag_resize_up)
y0 = parent->children[(row - 1) * parent->cols + col].y0;
if (bw->drag_resize_down)
y1 = parent->children[(row + 1) * parent->cols + col].y1;
/* convert to screen co-ordinates */
top = browser_window_owner(bw);
if (top->window->toolbar)
toolbar_height = ro_gui_theme_toolbar_full_height(top->window->toolbar);
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);
return false;
}
x0 = state.visible.x0 + x0 * 2;
y0 = state.visible.y1 - y0 * 2 - toolbar_height;
x1 = state.visible.x0 + x1 * 2 - 1;
y1 = state.visible.y1 - y1 * 2 - toolbar_height - 1;
/* get the pointer position */
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;
}
/* stop dragging in directions we can't extend */
if (!(bw->drag_resize_left || bw->drag_resize_right)) {
x0 = pointer.pos.x;
x1 = pointer.pos.x;
}
if (!(bw->drag_resize_up || bw->drag_resize_down)) {
y0 = pointer.pos.y;
y1 = pointer.pos.y;
}
/* start the drag */
drag.type = wimp_DRAG_USER_POINT;
drag.bbox.x0 = x0;
drag.bbox.y0 = y1;
drag.bbox.x1 = x1;
drag.bbox.y1 = y0;
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;
}
/* we may not be the window the pointer is currently over */
gui_track_gui_window = bw->window;
gui_current_drag_type = GUI_DRAG_FRAME;
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);
}
/**
* Set the scale setting of a window
*
* \param g gui window
* \param scale scale value (1.0 == normal scale)
*/
void gui_window_set_scale(struct gui_window *g, float scale)
{
ro_gui_dialog_update_zoom(g);
}
/**
* 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);
}
/**
* 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);
float scale = g->bw->scale;
os_error *error;
/* 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;
plot = ro_plotters;
ro_plot_set_scale(scale);
ro_gui_current_redraw_gui = g;
current_redraw_browser = g->bw;
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);
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;
current_redraw_browser = NULL;
return;
}
}
ro_gui_current_redraw_gui = NULL;
current_redraw_browser = NULL;
}
/**
* 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;
const union content_msg_data *data;
for (cur = pending_updates; cur != NULL; cur = cur->next) {
g = cur->g;
if (!g)
continue;
data = &cur->data;
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;
current_redraw_browser = g->bw;
plot = ro_plotters;
ro_plot_origin_x = update.box.x0 - update.xscroll;
ro_plot_origin_y = update.box.y1 - update.yscroll;
ro_plot_set_scale(g->bw->scale);
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);
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;
current_redraw_browser = NULL;
continue;
}
}
/* Reset the current redraw gui_window to prevent
* thumbnails from retaining options */
ro_gui_current_redraw_gui = NULL;
current_redraw_browser = NULL;
}
while (pending_updates) {
cur = pending_updates;
pending_updates = pending_updates->next;
free(cur);
}
}
/**
* 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)
{
url_func_result res;
char *url_norm;
ro_gui_url_complete_close(NULL, 0);
res = url_normalize(url, &url_norm);
if (res == URL_FUNC_OK) {
gui_window_set_url(g, url_norm);
browser_window_go(g->bw, url_norm, 0, true);
free(url_norm);
}
}
/**
* Forces all windows to be set to the current theme
*/
void ro_gui_window_update_theme(void) {
struct gui_window *g;
for (g = window_list; g; g = g->next) {
if (g->toolbar) {
if (g->toolbar->editor)
if (!ro_gui_theme_update_toolbar(NULL, g->toolbar->editor))
g->toolbar->editor = NULL;
if (!ro_gui_theme_update_toolbar(NULL, g->toolbar)) {
ro_gui_theme_destroy_toolbar(g->toolbar);
g->toolbar = NULL;
}
ro_gui_theme_toolbar_editor_sync(g->toolbar);
gui_window_update_extent(g);
}
}
}
/**
* 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_gui_theme_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 &&
(g->bw->browser_window_type == BROWSER_WINDOW_NORMAL)) {
ro_gui_screen_size(&screen_width, &height);
if (g->toolbar)
height -= ro_gui_theme_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;
}
}
/**
* 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_gui_theme_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 = (g->bw->children &&
(g->bw->browser_window_type !=
BROWSER_WINDOW_NORMAL));
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) &&
((fheight > size) ||
(g->bw->browser_window_type ==
BROWSER_WINDOW_NORMAL)) &&
((h && width < content_get_width(h) *
2 * g->bw->scale) ||
(g->bw->browser_window_type ==
BROWSER_WINDOW_NORMAL))) {
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) &&
((fwidth > size) ||
(g->bw->browser_window_type ==
BROWSER_WINDOW_NORMAL)) &&
((h && height < content_get_height(h) *
2 * g->bw->scale) ||
(g->bw->scrolling == SCROLLING_YES))) {
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) &&
(!g->bw->parent) &&
(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, PTR_WIMP_OPEN(&state));
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_gui_theme_process_toolbar(g->toolbar, -1);
/* second resize updates to the new URL bar width */
ro_gui_url_complete_resize(g, 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 && content_get_url(h)) ?
url_to_path(content_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)
ro_gui_menu_handle_action(w,
BROWSER_NAVIGATE_UP, true);
}
}
else
destroy = true;
if (destroy)
browser_window_destroy(g->bw);
}
/**
* 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;
/* framesets and iframes are destroyed by their parents */
if (!cur->bw->parent)
browser_window_destroy(cur->bw);
}
}
/**
* Animate the "throbbers" of all browser windows.
*/
void ro_gui_throb(void)
{
os_t t;
struct gui_window *g, *top_g;
struct browser_window *top;
char throb_buf[12];
xos_read_monotonic_time(&t);
for (g = window_list; g; g = g->next) {
if (!g->bw->throbbing)
continue;
for (top = g->bw; top->parent; top = top->parent);
top_g = top->window;
if (!top_g->toolbar || !top_g->toolbar->display_throbber ||
!top_g->toolbar->descriptor ||
!top_g->toolbar->descriptor->theme ||
(t < top_g->throbtime + 10))
continue;
top_g->throbtime = t;
top_g->throbber++;
if (top_g->toolbar->descriptor->theme->throbber_frames < top_g->throbber)
top_g->throbber = 1;
sprintf(throb_buf, "throbber%i", top_g->throbber);
ro_gui_set_icon_string(top_g->toolbar->toolbar_handle,
ICON_TOOLBAR_THROBBER, throb_buf, true);
if (top_g->toolbar->descriptor->throbber_redraw)
ro_gui_force_redraw_icon(top_g->toolbar->toolbar_handle,
ICON_TOOLBAR_THROBBER);
}
}
/**
* 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;
for (g = window_list; g; g = g->next) {
if ((g->toolbar) && ((g->toolbar->toolbar_handle == window) ||
((g->toolbar->editor) &&
(g->toolbar->editor->toolbar_handle == window))))
return g;
}
return 0;
}
/**
* 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);
}
/**
* Process Mouse_Click events in a toolbar.
*/
bool ro_gui_toolbar_click(wimp_pointer *pointer)
{
struct gui_window *g = ro_gui_toolbar_lookup(pointer->w);
struct browser_window *new_bw;
/* toolbars in the options window have no gui_window */
if (!g)
return true;
/* try to close url-completion */
ro_gui_url_complete_close(g, pointer->i);
/* Handle Menu clicks */
if (pointer->buttons == wimp_CLICK_MENU) {
ro_gui_menu_create(browser_toolbar_menu, pointer->pos.x,
pointer->pos.y, g->window, true);
return true;
}
/* Handle toolbar edits */
if ((g->toolbar->editor) && (pointer->i < ICON_TOOLBAR_URL)) {
ro_gui_theme_toolbar_editor_click(g->toolbar, pointer);
return true;
}
/* Handle the buttons appropriately */
switch (pointer->i) {
case ICON_TOOLBAR_BACK:
if (pointer->buttons == wimp_CLICK_ADJUST) {
new_bw = browser_window_create(NULL,
g->bw, NULL, false, false);
ro_gui_menu_handle_action(
new_bw->window->window,
BROWSER_NAVIGATE_BACK, true);
} else {
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_BACK, true);
}
break;
case ICON_TOOLBAR_FORWARD:
if (pointer->buttons == wimp_CLICK_ADJUST) {
new_bw = browser_window_create(NULL,
g->bw, NULL, false, false);
ro_gui_menu_handle_action(
new_bw->window->window,
BROWSER_NAVIGATE_FORWARD, true);
} else {
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_FORWARD, true);
}
break;
case ICON_TOOLBAR_STOP:
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_STOP, true);
break;
case ICON_TOOLBAR_RELOAD:
if (pointer->buttons == wimp_CLICK_SELECT)
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_RELOAD, true);
else if (pointer->buttons == wimp_CLICK_ADJUST)
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_RELOAD_ALL,
true);
break;
case ICON_TOOLBAR_HISTORY:
if (pointer->buttons == wimp_CLICK_SELECT)
ro_gui_menu_handle_action(g->window,
HISTORY_SHOW_LOCAL, true);
else
ro_gui_menu_handle_action(g->window,
HISTORY_SHOW_GLOBAL, true);
break;
case ICON_TOOLBAR_HOME:
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_HOME, true);
break;
case ICON_TOOLBAR_SEARCH:
ro_gui_menu_handle_action(g->window,
BROWSER_FIND_TEXT, true);
break;
case ICON_TOOLBAR_SCALE:
ro_gui_menu_handle_action(g->window,
BROWSER_SCALE_VIEW, true);
break;
case ICON_TOOLBAR_BOOKMARK:
if (pointer->buttons == wimp_CLICK_ADJUST)
ro_gui_menu_handle_action(g->window,
HOTLIST_ADD_URL, true);
else
ro_gui_menu_handle_action(g->window,
HOTLIST_SHOW, true);
break;
case ICON_TOOLBAR_SAVE:
if (pointer->buttons == wimp_CLICK_ADJUST)
ro_gui_menu_handle_action(g->window,
BROWSER_SAVE_COMPLETE, true);
else
ro_gui_menu_handle_action(g->window,
BROWSER_SAVE, true);
break;
case ICON_TOOLBAR_PRINT:
ro_gui_menu_handle_action(g->window,
BROWSER_PRINT, true);
break;
case ICON_TOOLBAR_UP:
if (pointer->buttons == wimp_CLICK_ADJUST) {
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,
content_get_url(h));
}
} else {
ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_UP, true);
}
break;
case ICON_TOOLBAR_URL:
if (pointer->buttons &
(wimp_DRAG_SELECT | wimp_DRAG_ADJUST)) {
if (g->bw->current_content) {
hlcache_handle *h =
g->bw->current_content;
gui_save_type save_type;
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,
content_get_url(h),
content_get_title(h),
g);
}
}
else
ro_gui_url_complete_start(g);
break;
case ICON_TOOLBAR_SUGGEST:
ro_gui_popup_menu(url_suggest_menu,
g->toolbar->toolbar_handle,
ICON_TOOLBAR_SUGGEST);
break;
}
return true;
}
/**
* Handle Mouse_Click events in a browser window.
*
* \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;
g = (struct gui_window *)ro_gui_wimp_event_get_user_data(pointer->w);
/* try to close url-completion */
ro_gui_url_complete_close(g, pointer->i);
/* set input focus */
if (pointer->buttons == wimp_CLICK_SELECT ||
pointer->buttons == wimp_CLICK_ADJUST)
gui_window_place_caret(g, -100, -100, 0);
if (pointer->buttons == wimp_CLICK_MENU) {
ro_gui_menu_create(browser_menu, pointer->pos.x, pointer->pos.y, pointer->w, true);
} else {
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.
*/
bool ro_gui_window_keypress(wimp_key *key)
{
struct gui_window *g;
bool toolbar;
hlcache_handle *h;
wimp_window_state state;
int y;
const char *toolbar_url;
os_error *error;
wimp_pointer pointer;
float scale;
uint32_t c = (uint32_t) key->c;
/* Find gui window */
if ((g = ro_gui_window_lookup(key->w)) != NULL) {
toolbar = false;
} else if ((g = ro_gui_toolbar_lookup(key->w)) != NULL) {
toolbar = true;
} else {
/* nothing to do with us */
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 (!toolbar) {
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;
}
/* Reset c to incoming character / key code
* as we may have corrupted it above */
c = (uint32_t) key->c;
}
switch (c) {
case IS_WIMP_KEY + wimp_KEY_F1: /* Help. */
return ro_gui_menu_handle_action(g->window,
HELP_OPEN_CONTENTS, false);
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F1:
return ro_gui_menu_handle_action(g->window,
BROWSER_PAGE_INFO, false);
case IS_WIMP_KEY + wimp_KEY_F2:
if (!g->toolbar)
return false;
ro_gui_url_complete_close(NULL, 0);
ro_gui_set_icon_string(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL, "www.", true);
xwimp_set_caret_position(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL, 0, 0, -1, 4);
ro_gui_url_complete_start(g);
ro_gui_url_complete_keypress(g, wimp_KEY_DOWN);
return true;
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F2:
/* Close window. */
ro_gui_url_complete_close(NULL, 0);
browser_window_destroy(g->bw);
return true;
case 19: /* Ctrl + S */
case IS_WIMP_KEY + wimp_KEY_F3:
return ro_gui_menu_handle_action(g->window,
BROWSER_SAVE, false);
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F3:
return ro_gui_menu_handle_action(g->window,
BROWSER_EXPORT_TEXT, false);
case IS_WIMP_KEY + wimp_KEY_SHIFT + wimp_KEY_F3:
return ro_gui_menu_handle_action(g->window,
BROWSER_SAVE_COMPLETE, false);
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_SHIFT +
wimp_KEY_F3:
return ro_gui_menu_handle_action(g->window,
BROWSER_EXPORT_DRAW, false);
case 6: /* Ctrl + F */
case IS_WIMP_KEY + wimp_KEY_F4: /* Search */
return ro_gui_menu_handle_action(g->window,
BROWSER_FIND_TEXT, false);
case IS_WIMP_KEY + wimp_KEY_F5: /* Reload */
return ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_RELOAD, false);
case 18: /* Ctrl+R (Full reload) */
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F5:
/* Full reload */
return ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_RELOAD_ALL, false);
case IS_WIMP_KEY + wimp_KEY_F6: /* Hotlist */
return ro_gui_menu_handle_action(g->window,
HOTLIST_SHOW, false);
case IS_WIMP_KEY + wimp_KEY_F7: /* Show local history */
return ro_gui_menu_handle_action(g->window,
HISTORY_SHOW_LOCAL, false);
case IS_WIMP_KEY + wimp_KEY_CONTROL + wimp_KEY_F7:
/* Show global history */
return ro_gui_menu_handle_action(g->window,
HISTORY_SHOW_GLOBAL, false);
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 */
return ro_gui_menu_handle_action(g->window,
BROWSER_SCALE_VIEW, false);
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 (!toolbar)
break;
toolbar_url = ro_gui_get_icon_string(
g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL);
ro_gui_window_launch_url(g, toolbar_url);
return true;
case wimp_KEY_ESCAPE:
if (ro_gui_url_complete_close(NULL, 0)) {
ro_gui_url_complete_start(g);
return true;
}
return ro_gui_menu_handle_action(g->window,
BROWSER_NAVIGATE_STOP, false);
case 8: /* CTRL+H / Backspace */
if (toolbar)
return ro_gui_url_complete_keypress(g, c);
break;
case 14: /* CTRL+N */
return ro_gui_menu_handle_action(g->window,
BROWSER_NEW_WINDOW, false);
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);
// g->reformat_pending = true;
// if ((h) && (content_get_type(h) != CONTENT_HTML))
// browser_window_update(g->bw, false);
// browser_reformat_pending = true;
}
return true;
case IS_WIMP_KEY + wimp_KEY_PRINT:
return ro_gui_menu_handle_action(g->window,
BROWSER_PRINT, false);
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:
if (toolbar)
return false;
break;
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:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
if (toolbar)
return ro_gui_url_complete_keypress(g, c);
break;
default:
if (toolbar)
return ro_gui_url_complete_keypress(g, c);
return false;
}
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 true;
}
y = state.visible.y1 - state.visible.y0 - 32;
if (g->toolbar)
y -= ro_gui_theme_toolbar_full_height(g->toolbar);
switch (c) {
case IS_WIMP_KEY | wimp_KEY_LEFT:
state.xscroll -= 32;
break;
case IS_WIMP_KEY | wimp_KEY_RIGHT:
state.xscroll += 32;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_LEFT:
state.xscroll = -0x10000000;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_RIGHT:
state.xscroll = 0x10000000;
break;
case IS_WIMP_KEY | wimp_KEY_UP:
state.yscroll += 32;
break;
case IS_WIMP_KEY | wimp_KEY_DOWN:
state.yscroll -= 32;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_UP:
state.yscroll += y;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
state.yscroll -= y;
break;
case wimp_KEY_HOME:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
state.yscroll = 0x10000000;
break;
case IS_WIMP_KEY | wimp_KEY_END:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
state.yscroll = -0x10000000;
break;
}
error = xwimp_open_window(PTR_WIMP_OPEN(&state));
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
}
return true;
}
/**
* Process Scroll_Request events.
*/
void ro_gui_scroll_request(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 */
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 {
int x = scroll->visible.x1 - scroll->visible.x0 - 32;
int y = scroll->visible.y1 - scroll->visible.y0 - 32;
os_error *error;
if (g && g->toolbar)
y -= ro_gui_theme_toolbar_full_height(g->toolbar);
switch (scroll->xmin) {
case wimp_SCROLL_PAGE_LEFT:
scroll->xscroll -= x;
break;
case wimp_SCROLL_COLUMN_LEFT:
scroll->xscroll -= 32;
break;
case wimp_SCROLL_COLUMN_RIGHT:
scroll->xscroll += 32;
break;
case wimp_SCROLL_PAGE_RIGHT:
scroll->xscroll += x;
break;
default:
scroll->xscroll += (x * (scroll->xmin>>2)) >> 2;
break;
}
switch (scroll->ymin) {
case wimp_SCROLL_PAGE_UP:
scroll->yscroll += y;
break;
case wimp_SCROLL_LINE_UP:
scroll->yscroll += 32;
break;
case wimp_SCROLL_LINE_DOWN:
scroll->yscroll -= 32;
break;
case wimp_SCROLL_PAGE_DOWN:
scroll->yscroll -= y;
break;
default:
scroll->yscroll += (y * (scroll->ymin>>2)) >> 2;
break;
}
error = xwimp_open_window((wimp_open *) scroll);
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
}
}
}
/**
* 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;
}
/**
* 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)
{
struct box *box;
struct box *file_box = 0;
struct box *text_box = 0;
struct browser_window *bw = g->bw;
hlcache_handle *h;
int box_x, box_y;
os_error *error;
os_coord pos;
h = bw->current_content;
/* HTML content only. */
if (!bw->current_content || content_get_type(h) != CONTENT_HTML)
return false;
/* 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;
box = html_get_box_tree(h);
/* Consider the margins of the html page now */
box_x = box->margin[LEFT];
box_y = box->margin[TOP];
while ((box = box_at_point(box, pos.x, pos.y, &box_x, &box_y, &h))) {
if (box->style && css_computed_visibility(box->style) ==
CSS_VISIBILITY_HIDDEN)
continue;
if (box->gadget) {
switch (box->gadget->type) {
case GADGET_FILE:
file_box = box;
break;
case GADGET_TEXTBOX:
case GADGET_TEXTAREA:
case GADGET_PASSWORD:
text_box = box;
break;
default: /* appease compiler */
break;
}
}
}
if (!file_box && !text_box)
return false;
if (file_box) {
utf8_convert_ret ret;
char *utf8_fn;
ret = utf8_from_local_encoding(
message->data.data_xfer.file_name, 0,
&utf8_fn);
if (ret != UTF8_CONVERT_OK) {
/* A bad encoding should never happen */
assert(ret != UTF8_CONVERT_BADENC);
LOG(("utf8_from_local_encoding failed"));
/* Load was for us - just no memory */
return true;
}
/* Found: update form input. */
free(file_box->gadget->value);
file_box->gadget->value = utf8_fn;
/* Redraw box. */
box_coords(file_box, &pos.x, &pos.y);
gui_window_redraw(bw->window, pos.x, pos.y,
pos.x + file_box->width,
pos.y + file_box->height);
} else {
const char *filename = message->data.data_xfer.file_name;
browser_window_mouse_click(g->bw, BROWSER_MOUSE_PRESS_1, pos.x, pos.y);
if (!ro_gui_window_import_text(g, filename, false))
return true; /* it was for us, it just didn't work! */
}
/* 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 Message_DataLoad (file dragged in) for a toolbar
*
* \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;
}
/**
* 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,
g->old_width / 2,
g->old_height / 2);
}
}
/**
* 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)option_scale) / 100;
new_gui->option.background_images = option_background_images;
new_gui->option.buffer_animations = option_buffer_animations;
new_gui->option.buffer_everything = option_buffer_everything;
} else {
new_gui->option = old_gui->option;
}
/* Set up the toolbar
*/
if (new_gui->toolbar) {
new_gui->toolbar->display_buttons = option_toolbar_show_buttons;
new_gui->toolbar->display_url = option_toolbar_show_address;
new_gui->toolbar->display_throbber = option_toolbar_show_throbber;
if ((old_gui) && (old_gui->toolbar)) {
new_gui->toolbar->display_buttons = old_gui->toolbar->display_buttons;
new_gui->toolbar->display_url = old_gui->toolbar->display_url;
new_gui->toolbar->display_throbber = old_gui->toolbar->display_throbber;
new_gui->toolbar->reformat_buttons = true;
ro_gui_theme_process_toolbar(new_gui->toolbar, -1);
}
}
}
/**
* 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
*/
option_scale = bw->scale * 100;
option_buffer_animations = gui->option.buffer_animations;
option_buffer_everything = gui->option.buffer_everything;
/* Set up the toolbar
*/
if (gui->toolbar) {
option_toolbar_show_buttons = gui->toolbar->display_buttons;
option_toolbar_show_address = gui->toolbar->display_url;
option_toolbar_show_throbber = gui->toolbar->display_throbber;
}
if (gui->status_bar)
option_toolbar_status_width = ro_gui_status_bar_get_width(gui->status_bar);
}
/**
* Updates the navigation controls for all toolbars;
*
* \param g the gui_window to launch the URL into
* \param url the URL to launch, or NULL to simply update the suggestion icon
*/
void ro_gui_window_prepare_navigate_all(void) {
struct gui_window *g;
for (g = window_list; g; g = g->next)
ro_gui_prepare_navigate(g);
}
/**
* 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);
}
/**
* 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_drag_end(g->bw,
ro_gui_mouse_click_state(pointer.buttons,
wimp_BUTTON_CLICK_DRAG),
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);
}
/**
* 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! */
}
buf = malloc(size);
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;
}
/**
* 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);
}
/**
* 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;
}
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