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netsurf/riscos/window.c
Richard Wilson 6cc16835e0 [project @ 2004-07-08 17:28:56 by rjw] 
Save window cancel button implementation. Persistant child window handling.

svn path=/import/netsurf/; revision=1056
2004-07-08 17:28:56 +00:00

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/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* 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 Richard Wilson <not_ginger_matt@users.sourceforge.net>
*/
/** \file
* Browser window handling (implementation).
*/
#include <assert.h>
#include <math.h>
#include <stdbool.h>
#include <string.h>
#include "oslib/colourtrans.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "oslib/wimpspriteop.h"
#include "netsurf/css/css.h"
#include "netsurf/utils/config.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/options.h"
#include "netsurf/riscos/theme.h"
#include "netsurf/riscos/thumbnail.h"
#include "netsurf/riscos/wimp.h"
#include "netsurf/render/form.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/url.h"
#include "netsurf/utils/utils.h"
gui_window *ro_gui_current_redraw_gui;
gui_window *window_list = 0;
/**
* 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
*/
gui_window *gui_create_browser_window(struct browser_window *bw,
struct browser_window *clone)
{
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;
gui_window *g = malloc(sizeof *g);
if (!g) {
warn_user("NoMemory", 0);
return 0;
}
g->type = GUI_BROWSER_WINDOW;
g->data.browser.bw = bw;
g->data.browser.toolbar = 0;
g->data.browser.reformat_pending = false;
g->data.browser.old_width = 0;
strcpy(g->status, "");
strcpy(g->title, "NetSurf");
strcpy(g->url, "");
strcpy(g->throb_buf, "throbber0");
g->throbber = 0;
g->throbtime = 0;
/* Set the window position
*/
if (clone && clone->window && option_window_size_clone) {
state.w = clone->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 {
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;
}
/* Set the general window characteristics
*/
window.xscroll = 0;
window.yscroll = 0;
window.next = wimp_TOP;
window.flags = wimp_WINDOW_MOVEABLE |
wimp_WINDOW_NEW_FORMAT |
wimp_WINDOW_BACK_ICON |
wimp_WINDOW_CLOSE_ICON |
wimp_WINDOW_TITLE_ICON |
wimp_WINDOW_VSCROLL |
wimp_WINDOW_HSCROLL |
wimp_WINDOW_SIZE_ICON |
wimp_WINDOW_TOGGLE_ICON |
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 = 0;
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 = 100;
window.ymin = 100;
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;
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;
}
ro_theme_create_browser_toolbar(g);
g->next = window_list;
window_list = g;
window_count++;
/* Set the window options
*/
bw->window = g;
gui_window_clone_options(bw, clone);
/* Open the window
*/
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;
}
/* Only fix the centralisation if we've opened the window centred
*/
if (open_centred) {
scroll_width = ro_get_vscroll_width(g->window);
state.visible.x0 -= scroll_width;
}
/* Open the window at the top of the stack
*/
state.next = wimp_TOP;
ro_gui_window_open(g, (wimp_open*)&state);
/* Set the caret position to the URL bar
*/
if (g->data.browser.toolbar && g->data.browser.toolbar->url_bar)
error = xwimp_set_caret_position(
g->data.browser.toolbar->toolbar_handle,
ICON_TOOLBAR_URL, -1, -1, -1, 0);
else
error = xwimp_set_caret_position(g->window,
wimp_ICON_WINDOW, -100, -100, 32, -1);
if (error) {
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return g;
}
return g;
}
void gui_window_set_title(gui_window* g, char* title) {
strncpy(g->title, title, 255);
wimp_force_redraw_title(g->window);
}
void gui_window_destroy(gui_window* g)
{
assert(g != 0);
if (g == window_list)
window_list = g->next;
else
{
gui_window* gg;
assert(window_list != NULL);
gg = window_list;
while (gg->next != g && gg->next != NULL)
gg = gg->next;
assert(gg->next != NULL);
gg->next = g->next;
}
ro_toolbar_destroy(g->data.browser.toolbar);
xwimp_delete_window(g->window);
free(g);
}
void gui_window_redraw(gui_window* g, unsigned long x0, unsigned long y0,
unsigned long x1, unsigned long y1)
{
if (g == NULL)
return;
wimp_force_redraw(g->window, x0 * 2, -y1 * 2, x1 * 2, -y0 * 2);
}
void gui_window_redraw_window(gui_window* g)
{
wimp_window_info info;
if (g == NULL)
return;
info.w = g->window;
wimp_get_window_info_header_only(&info);
wimp_force_redraw(g->window, info.extent.x0, info.extent.y0, info.extent.x1, info.extent.y1);
}
void ro_gui_window_redraw(gui_window* g, wimp_draw* redraw) {
osbool more;
bool clear_background = false;
struct content *c = g->data.browser.bw->current_content;
unsigned long background_colour = 0xffffff;
/* Set the current redraw gui_window to get options from
*/
ro_gui_current_redraw_gui = g;
/* Perform the update
*/
if (g->type == GUI_BROWSER_WINDOW && c != NULL) {
/* We should clear the background for GIFs and PNGs
*/
if ((c->type != CONTENT_HTML) &&
(c->type != CONTENT_TEXTPLAIN)) {
clear_background = true;
}
more = wimp_redraw_window(redraw);
wimp_set_font_colours(wimp_COLOUR_WHITE, wimp_COLOUR_BLACK);
while (more) {
if (clear_background) {
colourtrans_set_gcol(background_colour << 8,
colourtrans_SET_BG | colourtrans_USE_ECFS,
os_ACTION_OVERWRITE, 0);
os_clg();
}
content_redraw(c,
(int) redraw->box.x0 - (int) redraw->xscroll,
(int) redraw->box.y1 - (int) redraw->yscroll,
c->width * 2, c->height * 2,
redraw->clip.x0, redraw->clip.y0,
redraw->clip.x1 - 1, redraw->clip.y1 - 1,
g->scale);
more = wimp_get_rectangle(redraw);
}
} else {
more = wimp_redraw_window(redraw);
while (more) {
if (g->type == GUI_BROWSER_WINDOW && c == NULL) {
colourtrans_set_gcol(background_colour << 8,
colourtrans_SET_BG | colourtrans_USE_ECFS,
os_ACTION_OVERWRITE, 0);
os_clg();
}
more = wimp_get_rectangle(redraw);
}
}
/* Reset the current redraw gui_window to prevent thumbnails from
retaining options
*/
ro_gui_current_redraw_gui = NULL;
}
/**
* 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(gui_window *g, const union content_msg_data *data)
{
struct content *c = g->data.browser.bw->current_content;
osbool more;
bool clear_background = false;
unsigned long background_colour = 0xffffff;
os_error *error;
wimp_draw update;
update.w = g->window;
update.box.x0 = floorf(data->redraw.x * 2 * g->scale);
update.box.y0 = -ceilf((data->redraw.y + data->redraw.height) * 2 *
g->scale);
update.box.x1 = ceilf((data->redraw.x + data->redraw.width) * 2 *
g->scale) + 1;
update.box.y1 = -floorf(data->redraw.y * 2 * g->scale) + 1;
error = xwimp_update_window(&update, &more);
if (error) {
LOG(("xwimp_update_window: 0x%x: %s",
error->errnum, error->errmess));
return;
}
/* Set the current redraw gui_window to get options from
*/
ro_gui_current_redraw_gui = g;
/* We should clear the background for content that isn't HTML or plain text
*/
if ((c->type != CONTENT_HTML) &&
(c->type != CONTENT_TEXTPLAIN)) {
clear_background = true;
}
while (more) {
if (data->redraw.full_redraw) {
if (clear_background) {
colourtrans_set_gcol(background_colour << 8,
colourtrans_SET_BG | colourtrans_USE_ECFS,
os_ACTION_OVERWRITE, 0);
os_clg();
}
content_redraw(c,
update.box.x0 - update.xscroll,
update.box.y1 - update.yscroll,
c->width * 2, c->height * 2,
update.clip.x0, update.clip.y0,
update.clip.x1 - 1, update.clip.y1 - 1,
g->scale);
} else {
assert(data->redraw.object);
content_redraw(data->redraw.object,
update.box.x0 - update.xscroll +
floorf(data->redraw.object_x * 2 *
g->scale),
update.box.y1 - update.yscroll -
ceilf(data->redraw.object_y * 2 *
g->scale),
data->redraw.object_width * 2 * g->scale,
data->redraw.object_height * 2 * g->scale,
update.clip.x0, update.clip.y0,
update.clip.x1 - 1, update.clip.y1 - 1,
g->scale);
}
error = xwimp_get_rectangle(&update, &more);
if (error) {
LOG(("xwimp_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
// return;
}
}
/* Reset the current redraw gui_window to prevent thumbnails from
retaining options
*/
ro_gui_current_redraw_gui = NULL;
}
void gui_window_set_scroll(gui_window* g, unsigned long sx, unsigned long sy)
{
wimp_window_state state;
if (g == NULL)
return;
state.w = g->window;
wimp_get_window_state(&state);
state.xscroll = sx * 2;
state.yscroll = -sy * 2;
state.yscroll += g->data.browser.toolbar->height;
ro_gui_window_open(g, (wimp_open*)&state);
}
unsigned long gui_window_get_width(gui_window* g) {
wimp_window_state state;
state.w = g->window;
wimp_get_window_state(&state);
return (state.visible.x1 - state.visible.x0) / 2;
}
void gui_window_set_extent(gui_window *g, unsigned long width, unsigned long height) {
os_box extent = { 0, 0, 0, 0 };
wimp_window_state state;
int toolbar_height = 0;
width *= 2 * g->scale;
height *= 2 * g->scale;
state.w = g->window;
wimp_get_window_state(&state);
/* account for toolbar height, if present */
if (g->data.browser.toolbar) toolbar_height = g->data.browser.toolbar->height;
if (width < (unsigned int)(state.visible.x1 - state.visible.x0))
width = state.visible.x1 - state.visible.x0;
if (height < (unsigned int)(state.visible.y1 - state.visible.y0 - toolbar_height))
height = state.visible.y1 - state.visible.y0 - toolbar_height;
extent.y0 = -height;
extent.x1 = width;
extent.y1 = toolbar_height;
wimp_set_extent(g->window, &extent);
wimp_open_window((wimp_open *) &state);
}
void gui_window_set_status(gui_window* g, const char* text) {
if (g->data.browser.toolbar) {
ro_gui_set_icon_string(g->data.browser.toolbar->status_handle, ICON_STATUS_TEXT, text);
}
}
/**
* Set the contents of a window's address bar.
*/
void gui_window_set_url(gui_window *g, char *url) {
wimp_caret c;
if (g->data.browser.toolbar) {
ro_gui_set_icon_string(g->data.browser.toolbar->toolbar_handle, ICON_TOOLBAR_URL, url);
/* Move the caret to the URL bar
*/
if (!xwimp_get_caret_position(&c)) {
if (c.w == g->window || c.w == g->data.browser.toolbar->toolbar_handle) {
xwimp_set_caret_position(g->data.browser.toolbar->toolbar_handle,
ICON_TOOLBAR_URL, 0, 0, -1, (int)strlen(g->url));
}
}
}
}
/**
* Open a window using the given wimp_open, handling toolbars and resizing.
*/
void ro_gui_window_open(gui_window *g, wimp_open *open) {
int width = open->visible.x1 - open->visible.x0;
int height = open->visible.y1 - open->visible.y0;
int toolbar_height = 0;
struct content *content;
wimp_window_state state;
bool toggle_hack = false;
int screen_height, screen_width;
if (g->type != GUI_BROWSER_WINDOW) {
wimp_open_window(open);
return;
}
content = g->data.browser.bw->current_content;
/* check for toggle to full size - NOW FEATURING "TEMPORARY HACK" */
state.w = g->window;
wimp_get_window_state(&state);
if ((state.flags & wimp_WINDOW_TOGGLED) &&
(state.flags & wimp_WINDOW_BOUNDED_ONCE) &&
!(state.flags & wimp_WINDOW_FULL_SIZE)) {
/* Check if we need to perform our hack
*/
ro_gui_screen_size(&screen_width, &screen_height);
if ((content->height * 2 * g->scale) < screen_height) {
open->visible.y0 = 0;
open->visible.y1 = 0x1000;
height = 0x1000;
toggle_hack = true;
}
}
/* account for toolbar height, if present */
if (g->data.browser.toolbar) toolbar_height = g->data.browser.toolbar->height;
height -= toolbar_height;
/* The height should be no less than the content height
*/
if (content && (unsigned int)height < content->height * 2 * g->scale) {
height = content->height * 2 * g->scale;
}
/* change extent if necessary */
if (g->data.browser.old_width != width ||
g->data.browser.old_height != height) {
if (content && g->data.browser.old_width != width) {
g->data.browser.reformat_pending = true;
gui_reformat_pending = true;
}
g->data.browser.old_width = width;
g->data.browser.old_height = height;
if (content && (unsigned int)width <
content->width * 2 * g->scale)
width = content->width * 2 * g->scale;
else {
os_box extent = { 0, -height, width, toolbar_height };
wimp_set_extent(g->window, &extent);
}
}
wimp_open_window(open);
/* update extent to actual size if toggled */
if (toggle_hack) {
width = open->visible.x1 - open->visible.x0;
height = open->visible.y1 - open->visible.y0 - toolbar_height;
if (content && (unsigned int)height <
content->height * 2 * g->scale)
height = content->height * 2 * g->scale;
{
os_box extent = { 0, -height, width, toolbar_height };
wimp_set_extent(g->window, &extent);
}
g->data.browser.old_width = width;
g->data.browser.old_height = height;
}
ro_theme_resize_toolbar(g->data.browser.toolbar, g->window);
}
void ro_gui_throb(void) {
gui_window* g;
/* Abort on no throbs
*/
if (theme_throbs == 0) return;
/* Animate
*/
float nowtime = (float) (clock() / (CLOCKS_PER_SEC/(15*23/theme_throbs)));
for (g = window_list; g != NULL; g = g->next) {
if ((g->type == GUI_BROWSER_WINDOW) && (g->data.browser.bw->throbbing)) {
if (nowtime > g->throbtime + 0.2) {
g->throbtime = nowtime;
g->throbber++;
if (g->throbber > theme_throbs) g->throbber = 0;
sprintf(g->throb_buf, "throbber%i", g->throbber);
ro_gui_redraw_icon(g->data.browser.toolbar->toolbar_handle, ICON_TOOLBAR_THROBBER);
}
}
}
}
gui_window *ro_lookup_gui_from_w(wimp_w window) {
gui_window* g;
for (g = window_list; g != NULL; g = g->next) {
if ((g->type == GUI_BROWSER_WINDOW) && (g->window == window)) return g;
}
return NULL;
}
gui_window *ro_lookup_gui_toolbar_from_w(wimp_w window) {
gui_window* g;
for (g = window_list; g != NULL; g = g->next) {
if ((g->type == GUI_BROWSER_WINDOW) && (g->data.browser.toolbar) &&
(g->data.browser.toolbar->toolbar_handle == window)) return g;
}
return NULL;
}
gui_window *ro_lookup_gui_status_from_w(wimp_w window) {
gui_window* g;
for (g = window_list; g != NULL; g = g->next) {
if ((g->type == GUI_BROWSER_WINDOW) && (g->data.browser.toolbar) &&
(g->data.browser.toolbar->status_handle == window)) return g;
}
return NULL;
}
/**
* Convert a wimp window handle to the owning gui_window structure.
*/
gui_window *ro_gui_window_lookup(wimp_w w) {
gui_window *g;
for (g = window_list; g; g = g->next) {
if (g->window == w) {
return g;
} else if (g->type == GUI_BROWSER_WINDOW) {
if ((g->data.browser.toolbar) &&
((g->data.browser.toolbar->toolbar_handle == w) ||
(g->data.browser.toolbar->status_handle == w))) return g;
}
}
return NULL;
}
void ro_gui_window_mouse_at(wimp_pointer* pointer)
{
int x, y;
wimp_window_state state;
gui_window* g;
if (pointer->w == history_window) {
ro_gui_history_mouse_at(pointer);
return;
}
g = ro_lookup_gui_from_w(pointer->w);
if (g == NULL)
return;
state.w = pointer->w;
wimp_get_window_state(&state);
x = window_x_units(pointer->pos.x, &state) / 2 / g->scale;
y = -window_y_units(pointer->pos.y, &state) / 2 / g->scale;
if (g->drag_status == drag_BROWSER_TEXT_SELECTION)
{
struct browser_action msg;
msg.type = act_ALTER_SELECTION;
msg.data.mouse.x = x;
msg.data.mouse.y = y;
browser_window_action(g->data.browser.bw, &msg);
}
if (g->type == GUI_BROWSER_WINDOW)
{
if (g->data.browser.bw->current_content != NULL)
{
struct browser_action msg;
msg.type = act_MOUSE_AT;
msg.data.mouse.x = x;
msg.data.mouse.y = y;
browser_window_action(g->data.browser.bw, &msg);
}
}
}
/**
* Process Mouse_Click events in a toolbar.
*/
void ro_gui_toolbar_click(gui_window* g, wimp_pointer* pointer) {
/* Reject Menu clicks
*/
if (pointer->buttons == wimp_CLICK_MENU) return;
/* Handle the buttons appropriately
*/
switch (pointer->i) {
case ICON_TOOLBAR_BACK:
history_back(g->data.browser.bw, g->data.browser.bw->history);
break;
case ICON_TOOLBAR_FORWARD:
history_forward(g->data.browser.bw, g->data.browser.bw->history);
break;
case ICON_TOOLBAR_STOP:
browser_window_stop(g->data.browser.bw);
break;
case ICON_TOOLBAR_RELOAD:
if (pointer->buttons == wimp_CLICK_SELECT)
browser_window_reload(g->data.browser.bw, false);
else if (pointer->buttons == wimp_CLICK_ADJUST)
browser_window_reload(g->data.browser.bw, true);
break;
case ICON_TOOLBAR_HISTORY:
ro_gui_history_open(g->data.browser.bw,
g->data.browser.bw->history,
pointer->pos.x, pointer->pos.y);
break;
case ICON_TOOLBAR_SCALE:
current_gui = g;
ro_gui_menu_prepare_scale();
/** \todo make scale window persistent */
xwimp_create_menu((wimp_menu *) dialog_zoom,
pointer->pos.x, pointer->pos.y);
break;
case ICON_TOOLBAR_BOOKMARK:
if (pointer->buttons == wimp_CLICK_SELECT) {
ro_gui_hotlist_add(g->title, g->data.browser.bw->current_content);
} else {
ro_gui_hotlist_show();
}
break;
case ICON_TOOLBAR_SAVE:
current_gui = g;
gui_current_save_type = GUI_SAVE_SOURCE;
ro_gui_menu_prepare_save(g->data.browser.bw->current_content);
/** \todo make save window persistent */
xwimp_create_menu((wimp_menu *) dialog_saveas,
pointer->pos.x, pointer->pos.y);
break;
}
}
void ro_gui_status_click(gui_window* g, wimp_pointer* pointer) {
wimp_drag drag;
os_error *error;
switch (pointer->i) {
case ICON_STATUS_RESIZE:
gui_current_drag_type = GUI_DRAG_STATUS_RESIZE;
drag.w = g->data.browser.toolbar->status_handle;
drag.type = wimp_DRAG_SYSTEM_SIZE;
drag.initial.x0 = pointer->pos.x;
drag.initial.x1 = pointer->pos.x;
drag.initial.y0 = pointer->pos.y;
drag.initial.y1 = pointer->pos.y;
error = xwimp_drag_box(&drag);
break;
}
}
void ro_gui_window_click(gui_window* g, wimp_pointer* pointer) {
struct browser_action msg;
int x,y;
wimp_window_state state;
wimp_caret caret;
os_error *error;
assert(g != NULL);
assert(pointer != NULL);
if (g->type != GUI_BROWSER_WINDOW) return;
state.w = pointer->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);
return;
}
x = window_x_units(pointer->pos.x, &state) / 2 / g->scale;
y = -window_y_units(pointer->pos.y, &state) / 2 / g->scale;
/* set input focus */
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 (((pointer->buttons == wimp_CLICK_SELECT) ||
(pointer->buttons == wimp_CLICK_ADJUST)) &&
(caret.w != state.w)) {
error = xwimp_set_caret_position(state.w, -1, -100,
-100, 32, -1);
if (error) {
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
}
if (pointer->buttons == wimp_CLICK_MENU) {
ro_gui_create_menu(browser_menu, pointer->pos.x - 64,
pointer->pos.y, g);
}
else {
if (g->data.browser.bw != NULL &&
g->data.browser.bw->current_content != NULL &&
g->data.browser.bw->current_content->type == CONTENT_HTML) {
if (pointer->buttons == wimp_CLICK_SELECT) {
msg.type = act_MOUSE_CLICK;
msg.data.mouse.x = x;
msg.data.mouse.y = y;
if (browser_window_action(
g->data.browser.bw, &msg) == 1)
return;
msg.type = act_UNKNOWN;
}
if (pointer->buttons == wimp_CLICK_SELECT && g->data.browser.bw->current_content->data.html.text_selection.selected == 1)
msg.type = act_CLEAR_SELECTION;
else if (pointer->buttons == wimp_CLICK_ADJUST && g->data.browser.bw->current_content->data.html.text_selection.selected == 1)
msg.type = act_ALTER_SELECTION;
else if (pointer->buttons == wimp_DRAG_SELECT ||
pointer->buttons == wimp_DRAG_ADJUST) {
msg.type = act_START_NEW_SELECTION;
if (pointer->buttons == wimp_DRAG_ADJUST && g->data.browser.bw->current_content->data.html.text_selection.selected == 1)
msg.type = act_ALTER_SELECTION;
ro_gui_start_selection(pointer, &state, g);
g->drag_status = drag_BROWSER_TEXT_SELECTION;
}
msg.data.mouse.x = x;
msg.data.mouse.y = y;
if (msg.type != act_UNKNOWN)
browser_window_action(g->data.browser.bw, &msg);
if (pointer->buttons == wimp_CLICK_ADJUST &&
g->data.browser.bw->current_content->data.html.text_selection.selected == 1 &&
current_gui != NULL &&
current_gui->data.browser.bw != NULL &&
current_gui->data.browser.bw->current_content != NULL) {
current_gui->data.browser.bw->current_content->data.html.text_selection.altering = alter_UNKNOWN;
}
if (pointer->buttons == wimp_CLICK_SELECT
|| pointer->buttons == wimp_CLICK_ADJUST) {
if (pointer->buttons == wimp_CLICK_SELECT)
msg.type = act_FOLLOW_LINK;
else
msg.type = act_FOLLOW_LINK_NEW_WINDOW;
msg.data.mouse.x = x;
msg.data.mouse.y = y;
browser_window_action(g->data.browser.bw, &msg);
}
}
}
}
void gui_window_start_throbber(struct gui_window* g) {
ro_gui_prepare_navigate(g);
if (theme_throbs == 0) return;
g->throbtime = (float) (clock() + 0) / CLOCKS_PER_SEC; /* workaround compiler warning */
g->throbber = 0;
}
void gui_window_stop_throbber(gui_window* g) {
ro_gui_prepare_navigate(g);
g->throbber = 0;
sprintf(g->throb_buf, "throbber%u", g->throbber);
ro_gui_redraw_icon(g->data.browser.toolbar->toolbar_handle, ICON_TOOLBAR_THROBBER);
}
void gui_window_place_caret(gui_window *g, int x, int y, int height) {
wimp_set_caret_position(g->window, -1,
x * 2, -(y + height) * 2, height * 2, -1);
}
/**
* Process Key_Pressed events in a browser window.
*/
bool ro_gui_window_keypress(gui_window *g, int key, bool toolbar)
{
struct content *content = g->data.browser.bw->current_content;
wimp_window_state state;
int y;
char *url;
os_error *error;
wimp_pointer pointer;
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;
}
assert(g->type == GUI_BROWSER_WINDOW);
/* First send the key to the browser window, eg. form fields. */
if (!toolbar) {
int c = key;
/* Munge cursor keys into unused control chars */
/* We can't map on to any of: 3,8,10,13,17,18,21,22,23 or 24
* That leaves 1,2,4-7,11,12,14-16,18-20,25-31 and 129-159
*/
if (c == 394) c = 9; /* Tab */
else if (c == 410) c = 11; /* Shift+Tab */
else if (c == 428) c = 26; /* Ctrl+Left */
else if (c == 429) c = 27; /* Ctrl+Right*/
else if (c == 396) c = 29; /* Left */
else if (c == 397) c = 28; /* Right */
else if (c == 398) c = 31; /* Down */
else if (c == 399) c = 30; /* Up */
if (c < 256)
if (browser_window_key_press(g->data.browser.bw,
(char) c))
return true;
}
switch (key) {
case wimp_KEY_CONTROL + wimp_KEY_F1:
current_gui = g;
ro_gui_menu_prepare_pageinfo();
ro_gui_dialog_open_persistant(g->window, dialog_pageinfo);
return true;
case wimp_KEY_F1: /* Help. */
ro_gui_open_help_page("docs");
return true;
case wimp_KEY_F6: /* Help. */
ro_gui_hotlist_show();
return true;
case wimp_KEY_F8: /* View source. */
ro_gui_view_source(content);
return true;
case wimp_KEY_F9: /* Dump content for debugging. */
switch (content->type) {
case CONTENT_HTML:
box_dump(content->data.html.layout->children, 0);
break;
case CONTENT_CSS:
css_dump_stylesheet(content->data.css.css);
break;
default:
break;
}
return true;
case wimp_KEY_F11: /* Toggle display of box outlines. */
gui_redraw_debug = !gui_redraw_debug;
gui_window_redraw_window(g);
return true;
case wimp_KEY_F2:
if (!g->data.browser.toolbar)
return false;
ro_gui_set_icon_string(g->data.browser.toolbar->toolbar_handle,
ICON_TOOLBAR_URL, "www.");
xwimp_set_caret_position(g->data.browser.toolbar->toolbar_handle,
ICON_TOOLBAR_URL, 0, 0, -1, 4);
return true;
case wimp_KEY_CONTROL + wimp_KEY_F2: /* Close window. */
browser_window_destroy(g->data.browser.bw);
return true;
case wimp_KEY_F3:
current_gui = g;
gui_current_save_type = GUI_SAVE_SOURCE;
ro_gui_menu_prepare_save(content);
ro_gui_dialog_open_persistant(g->window, dialog_saveas);
return true;
case wimp_KEY_CONTROL + wimp_KEY_F3:
current_gui = g;
gui_current_save_type = GUI_SAVE_TEXT;
ro_gui_menu_prepare_save(content);
ro_gui_dialog_open_persistant(g->window, dialog_saveas);
return true;
case wimp_KEY_SHIFT + wimp_KEY_F3:
current_gui = g;
gui_current_save_type = GUI_SAVE_COMPLETE;
ro_gui_menu_prepare_save(content);
ro_gui_dialog_open_persistant(g->window, dialog_saveas);
return true;
case wimp_KEY_CONTROL + wimp_KEY_SHIFT + wimp_KEY_F3:
current_gui = g;
gui_current_save_type = GUI_SAVE_DRAW;
ro_gui_menu_prepare_save(content);
ro_gui_dialog_open_persistant(g->window, dialog_saveas);
return true;
case wimp_KEY_RETURN:
if (!toolbar)
break;
url = url_normalize(g->url);
if (url) {
gui_window_set_url(g, url);
browser_window_go(g->data.browser.bw, url);
free(url);
}
return true;
case wimp_KEY_ESCAPE:
browser_window_stop(g->data.browser.bw);
return true;
case 14: /* CTRL+N */
current_gui = g;
browser_window_create(g->url, g->data.browser.bw);
return true;
case 18: /* CTRL+R */
browser_window_reload(g->data.browser.bw, false);
return true;
case 17: /* CTRL+Q (Zoom out) */
current_gui = g;
if (0.1 < current_gui->scale) {
current_gui->scale -= 0.1;
if (current_gui->scale < 0.1)
current_gui->scale = 0.1;
current_gui->data.browser.reformat_pending = true;
gui_reformat_pending = true;
}
return true;
case 23: /* CTRL+W (Zoom in) */
current_gui = g;
if (current_gui->scale < 10.0) {
current_gui->scale += 0.1;
if (10.0 < current_gui->scale)
current_gui->scale = 10.0;
current_gui->data.browser.reformat_pending = true;
gui_reformat_pending = true;
}
return true;
case wimp_KEY_UP:
case wimp_KEY_DOWN:
case wimp_KEY_PAGE_UP:
case wimp_KEY_PAGE_DOWN:
case wimp_KEY_CONTROL | wimp_KEY_UP:
case wimp_KEY_CONTROL | wimp_KEY_DOWN:
break;
default:
return false;
}
state.w = g->window;
wimp_get_window_state(&state);
y = state.visible.y1 - state.visible.y0 - 32;
y -= g->data.browser.toolbar->height;
switch (key) {
case wimp_KEY_UP:
state.yscroll += 32;
break;
case wimp_KEY_DOWN:
state.yscroll -= 32;
break;
case wimp_KEY_PAGE_UP:
state.yscroll += y;
break;
case wimp_KEY_PAGE_DOWN:
state.yscroll -= y;
break;
case wimp_KEY_CONTROL | wimp_KEY_UP:
state.yscroll = 1000;
break;
case wimp_KEY_CONTROL | wimp_KEY_DOWN:
state.yscroll = -0x10000000;
break;
}
wimp_open_window((wimp_open *) &state);
return true;
}
/**
* Process Scroll_Request events.
*/
void ro_gui_scroll_request(wimp_scroll *scroll)
{
int x, y;
gui_window *g = ro_gui_window_lookup(scroll->w);
if (!g || g->type != GUI_BROWSER_WINDOW)
return;
x = scroll->visible.x1 - scroll->visible.x0 - 32;
y = scroll->visible.y1 - scroll->visible.y0 - 32;
y -= g->data.browser.toolbar->height;
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:
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:
break;
}
wimp_open_window((wimp_open *) scroll);
}
/**
* Convert x from screen to window coordinates.
*
* \param x x coordinate / os units
* \param state window state
* \return x coordinate in window / os units
*/
//#define window_x_units(x, state) (x - (state->visible.x0 - state->xscroll))
int window_x_units(int x, wimp_window_state *state) {
return x - (state->visible.x0 - state->xscroll);
}
/**
* Convert y from screen to window coordinates.
*
* \param y y coordinate / os units
* \param state window state
* \return y coordinate in window / os units
*/
//#define window_y_units(y, state) (y - (state->visible.y1 - state->yscroll))
int window_y_units(int y, wimp_window_state *state) {
return y - (state->visible.y1 - state->yscroll);
}
/**
* 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(gui_window *g, wimp_message *message)
{
struct browser_window *bw = g->data.browser.bw;
struct box_selection *click_boxes = 0;
int x, y;
int i;
int found = 0;
int plot_index = 0;
wimp_window_state state;
/* HTML content only. */
if (!bw->current_content || bw->current_content->type != CONTENT_HTML)
return false;
/* Ignore directories etc. */
if (0x1000 <= message->data.data_xfer.file_type)
return false;
/* Search for a file input at the drop point. */
state.w = message->data.data_xfer.w;
wimp_get_window_state(&state);
x = window_x_units(message->data.data_xfer.pos.x, &state) / 2;
y = -window_y_units(message->data.data_xfer.pos.y, &state) / 2;
box_under_area(bw->current_content,
bw->current_content->data.html.layout->children,
x, y, 0, 0, &click_boxes, &found, &plot_index);
if (found == 0)
return false;
for (i = 0; i != found; i++) {
if (click_boxes[i].box->gadget &&
click_boxes[i].box->gadget->type ==
GADGET_FILE)
break;
}
if (i == found) {
free(click_boxes);
return false;
}
/* Found: update form input. */
free(click_boxes[i].box->gadget->value);
click_boxes[i].box->gadget->value =
strdup(message->data.data_xfer.file_name);
/* Redraw box. */
box_coords(click_boxes[i].box, &x, &y);
gui_window_redraw(bw->window, x, y,
x + click_boxes[i].box->width,
y + click_boxes[i].box->height);
/* send DataLoadAck */
message->action = message_DATA_LOAD_ACK;
message->your_ref = message->my_ref;
wimp_send_message(wimp_USER_MESSAGE, message, message->sender);
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 gui_window_clone_options(struct browser_window *new_bw,
struct browser_window *old_bw) {
gui_window *old_gui = NULL;
gui_window *new_gui;
/* Abort on bad input
*/
if (new_bw == NULL) return;
/* Get our GUIs
*/
new_gui = new_bw->window;
/* Abort on bad input
*/
if (!new_gui) return;
if (old_bw) old_gui = old_bw->window;
/* Clone the basic options
*/
if (!old_gui) {
new_gui->scale = ((float)option_scale) / 100;
new_gui->option_dither_sprites = option_dither_sprites;
new_gui->option_filter_sprites = option_filter_sprites;
new_gui->option_animate_images = option_animate_images;
new_gui->option_background_images = option_background_images;
} else {
new_gui->scale = old_gui->scale;
new_gui->option_dither_sprites = old_gui->option_dither_sprites;
new_gui->option_filter_sprites = old_gui->option_filter_sprites;
new_gui->option_animate_images = old_gui->option_animate_images;
new_gui->option_background_images = old_gui->option_background_images;
}
/* Set up the toolbar
*/
if (new_gui->data.browser.toolbar) {
if ((old_gui) && (old_gui->data.browser.toolbar)) {
new_gui->data.browser.toolbar->status_width = old_gui->data.browser.toolbar->status_width;
new_gui->data.browser.toolbar->status_window = old_gui->data.browser.toolbar->status_window;
new_gui->data.browser.toolbar->standard_buttons = old_gui->data.browser.toolbar->standard_buttons;
new_gui->data.browser.toolbar->url_bar = old_gui->data.browser.toolbar->url_bar;
new_gui->data.browser.toolbar->throbber = old_gui->data.browser.toolbar->throbber;
} else {
new_gui->data.browser.toolbar->status_width = option_toolbar_status_width;
new_gui->data.browser.toolbar->status_window = option_toolbar_show_status;
new_gui->data.browser.toolbar->standard_buttons = option_toolbar_show_buttons;
new_gui->data.browser.toolbar->url_bar = option_toolbar_show_address;
new_gui->data.browser.toolbar->throbber = option_toolbar_show_throbber;
}
ro_theme_update_toolbar(new_gui->data.browser.toolbar, new_gui->window);
}
}
/**
* Makes a browser window's options the default.
*
* \param bw the browser window to read options from
*/
void gui_window_default_options(struct browser_window *bw) {
gui_window *gui;
/* Abort on bad input
*/
if (bw == NULL) return;
/* Get our GUI
*/
gui = bw->window;
if (!gui) return;
/* Save the basic options
*/
option_scale = gui->scale * 100;
option_dither_sprites = gui->option_dither_sprites;
option_filter_sprites = gui->option_filter_sprites;
option_animate_images = gui->option_animate_images;
/* Set up the toolbar
*/
if (gui->data.browser.toolbar) {
option_toolbar_status_width = gui->data.browser.toolbar->status_width;
option_toolbar_show_status = gui->data.browser.toolbar->status_window;
option_toolbar_show_buttons = gui->data.browser.toolbar->standard_buttons;
option_toolbar_show_address = gui->data.browser.toolbar->url_bar;
option_toolbar_show_throbber = gui->data.browser.toolbar->throbber;
}
}
/** 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[12];
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_lr", 7, 6 },
{ false, "ptr_ld", 7, 7 },
{ false, "ptr_rd", 7, 7 },
{ false, "ptr_cross", 7, 7 },
{ false, "ptr_move", 8, 0 },
};
/**
* Change mouse pointer shape
*/
void gui_window_set_pointer(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;
}
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