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netsurf/gtk/gtk_window.c
Michael Drake aafc98465b Remove unnecessary assignment. 
svn path=/trunk/netsurf/; revision=10193
2010-03-28 19:26:47 +00:00

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/*
* Copyright 2006 Daniel Silverstone <dsilvers@digital-scurf.org>
* Copyright 2006 Rob Kendrick <rjek@rjek.com>
*
* 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/>.
*/
#include <inttypes.h>
#include <string.h>
#include "content/hlcache.h"
#include "gtk/gtk_window.h"
#include "desktop/browser.h"
#include "desktop/options.h"
#include "desktop/searchweb.h"
#include "desktop/textinput.h"
#include "desktop/selection.h"
#include "gtk/gtk_gui.h"
#include "gtk/options.h"
#include "gtk/gtk_scaffolding.h"
#include "gtk/gtk_plotters.h"
#include "gtk/gtk_schedule.h"
#include "gtk/gtk_tabs.h"
#include "utils/log.h"
#include "utils/utils.h"
#include <gdk/gdkkeysyms.h>
#include <assert.h>
struct gui_window {
/* All gui_window objects have an ultimate scaffold */
nsgtk_scaffolding *scaffold;
/**< the gtk object containing menu, buttons, url bar, [tabs],
* drawing area, etc that may contain 1 -> several gui_windows */
struct browser_window *bw;
/**< the 'content' window that is rendered in the gui_window*/
struct browser_mouse *mouse; /**< contains mouse state / events */
int caretx, carety, careth;
/**< storage caret dimension / location for rendering */
gui_pointer_shape current_pointer;
/**< storage caret shape for rendering */
int last_x, last_y;
/**< storage caret location for rendering */
GtkScrolledWindow *scrolledwindow;
/**< optional; for frames that need it; top level of gtk structure of
* gui_window */
GtkViewport *viewport;
/**< contained in a scrolled window */
GtkFixed *fixed; /**< contained in a viewport */
GtkDrawingArea *drawing_area; /**< contained in a gtkfixed */
GtkWidget *tab; /** the visible tab */
gulong signalhandler[NSGTK_WINDOW_SIGNAL_COUNT];
/**< to allow disactivation / resume of normal window behaviour */
struct gui_window *next, *prev; /**< list for eventual cleanup */
};
struct gui_window *window_list = NULL; /**< first entry in win list*/
int temp_open_background = -1;
static void nsgtk_gui_window_attach_child(struct gui_window *parent,
struct gui_window *child);
/* Methods which apply only to a gui_window */
static gboolean nsgtk_window_expose_event(GtkWidget *, GdkEventExpose *,
gpointer);
static gboolean nsgtk_window_motion_notify_event(GtkWidget *, GdkEventMotion *,
gpointer);
static gboolean nsgtk_window_button_press_event(GtkWidget *, GdkEventButton *,
gpointer);
static gboolean nsgtk_window_button_release_event(GtkWidget *, GdkEventButton *,
gpointer);
static gboolean nsgtk_window_keypress_event(GtkWidget *, GdkEventKey *,
gpointer);
static gboolean nsgtk_window_size_allocate_event(GtkWidget *, GtkAllocation *,
gpointer);
/* Other useful bits */
static void nsgtk_redraw_caret(struct gui_window *g);
static GdkCursor *nsgtk_create_menu_cursor(void);
nsgtk_scaffolding *nsgtk_get_scaffold(struct gui_window *g)
{
return g->scaffold;
}
struct browser_window *gui_window_get_browser_window(struct gui_window *g)
{
return g->bw;
}
unsigned long nsgtk_window_get_signalhandler(struct gui_window *g, int i)
{
return g->signalhandler[i];
}
GtkDrawingArea *nsgtk_window_get_drawing_area(struct gui_window *g)
{
return g->drawing_area;
}
GtkScrolledWindow *nsgtk_window_get_scrolledwindow(struct gui_window *g)
{
return g->scrolledwindow;
}
GtkWidget *nsgtk_window_get_tab(struct gui_window *g)
{
return g->tab;
}
void nsgtk_window_set_tab(struct gui_window *g, GtkWidget *w)
{
g->tab = w;
}
struct gui_window *nsgtk_window_iterate(struct gui_window *g)
{
return g->next;
}
float nsgtk_get_scale_for_gui(struct gui_window *g)
{
return g->bw->scale;
}
/* Create a gui_window */
struct gui_window *gui_create_browser_window(struct browser_window *bw,
struct browser_window *clone,
bool new_tab)
{
struct gui_window *g; /**< what we're creating to return */
GtkPolicyType scrollpolicy;
g = calloc(1, sizeof(*g));
if (!g) {
warn_user("NoMemory", 0);
return 0;
}
LOG(("Creating gui window %p for browser window %p", g, bw));
g->bw = bw;
g->mouse = malloc(sizeof(*g->mouse));
if (!g->mouse) {
warn_user("NoMemory", 0);
return 0;
}
g->mouse->state = 0;
g->current_pointer = GUI_POINTER_DEFAULT;
if (clone != NULL)
bw->scale = clone->scale;
else
bw->scale = (float) option_scale / 100;
g->careth = 0;
if (bw->parent != NULL)
/* Find our parent's scaffolding */
g->scaffold = bw->parent->window->scaffold;
else if (new_tab) {
g->scaffold = clone->window->scaffold;
}
else
/* Now construct and attach a scaffold */
g->scaffold = nsgtk_new_scaffolding(g);
if (g->scaffold == NULL) {
free(g);
return NULL;
}
/* Attach ourselves to the list (push_top) */
if (window_list)
window_list->prev = g;
g->next = window_list;
g->prev = NULL;
window_list = g;
/* Construct our primary elements */
g->fixed = GTK_FIXED(gtk_fixed_new());
g->drawing_area = GTK_DRAWING_AREA(gtk_drawing_area_new());
gtk_fixed_put(g->fixed, GTK_WIDGET(g->drawing_area), 0, 0);
gtk_container_set_border_width(GTK_CONTAINER(g->fixed), 0);
g->scrolledwindow = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
g_object_set_data(G_OBJECT(g->scrolledwindow), "gui_window", g);
gtk_scrolled_window_add_with_viewport(g->scrolledwindow,
GTK_WIDGET(g->fixed));
gtk_scrolled_window_set_shadow_type(g->scrolledwindow,
GTK_SHADOW_NONE);
g->viewport = GTK_VIEWPORT(gtk_bin_get_child(GTK_BIN(g->scrolledwindow)));
g->tab = NULL;
if (bw->parent != NULL)
/* Attach ourselves into our parent at the right point */
nsgtk_gui_window_attach_child(bw->parent->window, g);
else {
/* Attach our viewport into the scaffold */
bool tempback = true;
switch (temp_open_background) {
case -1:
tempback = !(option_focus_new);
break;
case 0:
tempback = false;
break;
case 1:
tempback = true;
break;
}
nsgtk_tab_add(g, tempback);
}
gtk_container_set_border_width(GTK_CONTAINER(g->viewport), 0);
gtk_viewport_set_shadow_type(g->viewport, GTK_SHADOW_NONE);
if (g->scrolledwindow)
gtk_widget_show(GTK_WIDGET(g->scrolledwindow));
/* And enable visibility from our viewport down */
gtk_widget_show_all(GTK_WIDGET(g->viewport));
switch(bw->scrolling) {
case SCROLLING_NO:
scrollpolicy = GTK_POLICY_NEVER;
break;
case SCROLLING_YES:
scrollpolicy = GTK_POLICY_ALWAYS;
break;
case SCROLLING_AUTO:
default:
scrollpolicy = GTK_POLICY_AUTOMATIC;
break;
};
switch(bw->browser_window_type) {
case BROWSER_WINDOW_FRAMESET:
if (g->scrolledwindow)
gtk_scrolled_window_set_policy(g->scrolledwindow,
GTK_POLICY_NEVER,
GTK_POLICY_NEVER);
break;
case BROWSER_WINDOW_FRAME:
if (g->scrolledwindow)
gtk_scrolled_window_set_policy(g->scrolledwindow,
scrollpolicy,
scrollpolicy);
break;
case BROWSER_WINDOW_NORMAL:
if (g->scrolledwindow)
gtk_scrolled_window_set_policy(g->scrolledwindow,
scrollpolicy,
scrollpolicy);
break;
case BROWSER_WINDOW_IFRAME:
if (g->scrolledwindow)
gtk_scrolled_window_set_policy(g->scrolledwindow,
scrollpolicy,
scrollpolicy);
break;
}
/* set the events we're interested in receiving from the browser's
* drawing area.
*/
gtk_widget_add_events(GTK_WIDGET(g->drawing_area),
GDK_EXPOSURE_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK);
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(g->drawing_area), GTK_CAN_FOCUS);
/* set the default background colour of the drawing area to white. */
gtk_widget_modify_bg(GTK_WIDGET(g->drawing_area), GTK_STATE_NORMAL,
&((GdkColor) { 0, 0xffff, 0xffff, 0xffff } ));
#define CONNECT(obj, sig, callback, ptr) \
g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))
g->signalhandler[NSGTK_WINDOW_SIGNAL_REDRAW] =
CONNECT(g->drawing_area, "expose_event",
nsgtk_window_expose_event, g);
CONNECT(g->drawing_area, "motion_notify_event",
nsgtk_window_motion_notify_event, g);
g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
CONNECT(g->drawing_area, "button_press_event",
nsgtk_window_button_press_event, g);
CONNECT(g->drawing_area, "button_release_event",
nsgtk_window_button_release_event, g);
CONNECT(g->drawing_area, "key_press_event",
nsgtk_window_keypress_event, g);
CONNECT(g->viewport, "size_allocate",
nsgtk_window_size_allocate_event, g);
return g;
}
static void nsgtk_gui_window_attach_child(struct gui_window *parent,
struct gui_window *child)
{
/* Attach the child gui_window (frame) into the parent.
* It will be resized later on.
*/
GtkFixed *parent_fixed = parent->fixed;
GtkWidget *child_widget = GTK_WIDGET(child->scrolledwindow);
gtk_fixed_put(parent_fixed, child_widget, 0, 0);
}
void gui_window_position_frame(struct gui_window *g, int x0, int y0, int x1, int y1)
{
/* g is a child frame, we need to place it relative to its parent */
GtkWidget *w = GTK_WIDGET(g->scrolledwindow);
GtkFixed *f = g->bw->parent->window->fixed;
assert(w);
assert(f);
LOG(("%s: %d,%d %dx%d", g->bw->name, x0, y0, x1-x0+2, y1-y0+2));
/* if the window has not changed position or size, do not bother
* moving/resising it.
*/
LOG((" current: %d,%d %dx%d",
w->allocation.x, w->allocation.y,
w->allocation.width, w->allocation.height));
if (w->allocation.x != x0 || w->allocation.y != y0 ||
w->allocation.width != x1 - x0 + 2 ||
w->allocation.height != y1 - y0 + 2) {
LOG((" frame has moved/resized."));
gtk_fixed_move(f, w, x0, y0);
gtk_widget_set_size_request(w, x1 - x0 + 2, y1 - y0 + 2);
}
}
gboolean nsgtk_window_expose_event(GtkWidget *widget,
GdkEventExpose *event, gpointer data)
{
struct gui_window *g = data;
hlcache_handle *c;
float scale = g->bw->scale;
assert(g);
assert(g->bw);
struct gui_window *z;
for (z = window_list; z && z != g; z = z->next)
continue;
assert(z);
assert(GTK_WIDGET(g->drawing_area) == widget);
c = g->bw->current_content;
if (c == NULL)
return FALSE;
/* HTML rendering handles scale itself */
if (content_get_type(c) == CONTENT_HTML)
scale = 1;
current_widget = (GtkWidget *)g->drawing_area;
current_drawable = current_widget->window;
current_gc = gdk_gc_new(current_drawable);
#ifdef CAIRO_VERSION
current_cr = gdk_cairo_create(current_drawable);
#endif
plot = nsgtk_plotters;
nsgtk_plot_set_scale(g->bw->scale);
current_redraw_browser = g->bw;
content_redraw(c, 0, 0,
widget->allocation.width * scale,
widget->allocation.height * scale,
event->area.x,
event->area.y,
event->area.x + event->area.width,
event->area.y + event->area.height,
g->bw->scale, 0xFFFFFF);
current_redraw_browser = NULL;
if (g->careth != 0)
nsgtk_plot_caret(g->caretx, g->carety, g->careth);
current_widget = NULL;
g_object_unref(current_gc);
#ifdef CAIRO_VERSION
cairo_destroy(current_cr);
#endif
return FALSE;
}
gboolean nsgtk_window_motion_notify_event(GtkWidget *widget,
GdkEventMotion *event, gpointer data)
{
struct gui_window *g = data;
bool shift = event->state & GDK_SHIFT_MASK;
bool ctrl = event->state & GDK_CONTROL_MASK;
if ((abs(event->x - g->last_x) < 5) && (abs(event->y - g->last_y) < 5))
/* necessary for touch screens */
return FALSE;
if (g->mouse->state & BROWSER_MOUSE_PRESS_1){
/* Start button 1 drag */
browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_1,
g->mouse->pressed_x, g->mouse->pressed_y);
/* Replace PRESS with HOLDING and declare drag in progress */
g->mouse->state ^= (BROWSER_MOUSE_PRESS_1 |
BROWSER_MOUSE_HOLDING_1);
g->mouse->state |= BROWSER_MOUSE_DRAG_ON;
}
else if (g->mouse->state & BROWSER_MOUSE_PRESS_2){
/* Start button 2 drag */
browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_2,
g->mouse->pressed_x, g->mouse->pressed_y);
/* Replace PRESS with HOLDING and declare drag in progress */
g->mouse->state ^= (BROWSER_MOUSE_PRESS_2 |
BROWSER_MOUSE_HOLDING_2);
g->mouse->state |= BROWSER_MOUSE_DRAG_ON;
}
/* Handle modifiers being removed */
if (g->mouse->state & BROWSER_MOUSE_MOD_1 && !shift)
g->mouse->state ^= BROWSER_MOUSE_MOD_1;
if (g->mouse->state & BROWSER_MOUSE_MOD_2 && !ctrl)
g->mouse->state ^= BROWSER_MOUSE_MOD_2;
browser_window_mouse_track(g->bw, g->mouse->state,
event->x / g->bw->scale, event->y / g->bw->scale);
g->last_x = event->x;
g->last_y = event->y;
return TRUE;
}
gboolean nsgtk_window_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
struct gui_window *g = data;
gtk_widget_grab_focus(GTK_WIDGET(g->drawing_area));
gtk_widget_hide(GTK_WIDGET(nsgtk_scaffolding_history_window(
g->scaffold)->window));
g->mouse->pressed_x = event->x / g->bw->scale;
g->mouse->pressed_y = event->y / g->bw->scale;
switch (event->button) {
case 1:
/* Left button, usually.
* Pass to core as BUTTON 1. */
g->mouse->state = BROWSER_MOUSE_PRESS_1;
break;
case 2:
/* Middle button, usually.
* Pass to core as BUTTON 2 */
g->mouse->state = BROWSER_MOUSE_PRESS_2;
break;
case 3:
/* Right button, usually.
* Front end action button -- context menu. */
browser_window_remove_caret(g->bw);
nsgtk_scaffolding_popup_menu(g->scaffold, g->mouse->pressed_x,
g->mouse->pressed_y);
return TRUE;
default:
return FALSE;
}
/* Handle the modifiers too */
if (event->state & GDK_SHIFT_MASK)
g->mouse->state |= BROWSER_MOUSE_MOD_1;
if (event->state & GDK_CONTROL_MASK)
g->mouse->state |= BROWSER_MOUSE_MOD_2;
browser_window_mouse_click(g->bw, g->mouse->state, g->mouse->pressed_x,
g->mouse->pressed_y);
return TRUE;
}
gboolean nsgtk_window_button_release_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
struct gui_window *g = data;
bool shift = event->state & GDK_SHIFT_MASK;
bool ctrl = event->state & GDK_CONTROL_MASK;
/* If the mouse state is PRESS then we are waiting for a release to emit
* a click event, otherwise just reset the state to nothing*/
if (g->mouse->state & BROWSER_MOUSE_PRESS_1)
g->mouse->state ^= (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1);
else if (g->mouse->state & BROWSER_MOUSE_PRESS_2)
g->mouse->state ^= (BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2);
/* Handle modifiers being removed */
if (g->mouse->state & BROWSER_MOUSE_MOD_1 && !shift)
g->mouse->state ^= BROWSER_MOUSE_MOD_1;
if (g->mouse->state & BROWSER_MOUSE_MOD_2 && !ctrl)
g->mouse->state ^= BROWSER_MOUSE_MOD_2;
if (g->mouse->state & (BROWSER_MOUSE_CLICK_1|BROWSER_MOUSE_CLICK_2))
browser_window_mouse_click(g->bw, g->mouse->state, event->x / g->bw->scale,
event->y / g->bw->scale);
else
browser_window_mouse_drag_end(g->bw, 0, event->x / g->bw->scale,
event->y / g->bw->scale);
g->mouse->state = 0;
return TRUE;
}
gboolean nsgtk_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
struct gui_window *g = data;
uint32_t nskey = gtk_gui_gdkkey_to_nskey(event);
if (browser_window_key_press(g->bw, nskey))
return TRUE;
if (event->state == 0) {
double value;
GtkAdjustment *vscroll = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hscroll = gtk_viewport_get_hadjustment(g->viewport);
GtkAdjustment *scroll;
const GtkAllocation *const alloc =
&GTK_WIDGET(g->viewport)->allocation;
switch (event->keyval) {
default:
return TRUE;
case GDK_Home:
case GDK_KP_Home:
scroll = vscroll;
value = scroll->lower;
break;
case GDK_End:
case GDK_KP_End:
scroll = vscroll;
value = scroll->upper - alloc->height;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Left:
case GDK_KP_Left:
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->step_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Up:
case GDK_KP_Up:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->step_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Right:
case GDK_KP_Right:
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->step_increment;
if (value > scroll->upper - alloc->width)
value = scroll->upper - alloc->width;
break;
case GDK_Down:
case GDK_KP_Down:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->step_increment;
if (value > scroll->upper - alloc->height)
value = scroll->upper - alloc->height;
break;
case GDK_Page_Up:
case GDK_KP_Page_Up:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->page_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Page_Down:
case GDK_KP_Page_Down:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->page_increment;
if (value > scroll->upper - alloc->height)
value = scroll->upper - alloc->height;
break;
}
gtk_adjustment_set_value(scroll, value);
}
return TRUE;
}
gboolean nsgtk_window_size_allocate_event(GtkWidget *widget,
GtkAllocation *allocation, gpointer data)
{
struct gui_window *g = data;
g->bw->reformat_pending = true;
browser_reformat_pending = true;
return TRUE;
}
void nsgtk_reflow_all_windows(void)
{
for (struct gui_window *g = window_list; g; g = g->next) {
nsgtk_tab_options_changed(GTK_WIDGET(
nsgtk_scaffolding_notebook(g->scaffold)));
g->bw->reformat_pending = true;
}
browser_reformat_pending = true;
}
/**
* Process pending reformats
*/
void nsgtk_window_process_reformats(void)
{
struct gui_window *g;
browser_reformat_pending = false;
for (g = window_list; g; g = g->next) {
GtkWidget *widget = GTK_WIDGET(g->viewport);
if (!g->bw->reformat_pending)
continue;
g->bw->reformat_pending = false;
browser_window_reformat(g->bw,
widget->allocation.width,
widget->allocation.height);
}
}
void nsgtk_window_destroy_browser(struct gui_window *g)
{
browser_window_destroy(g->bw);
}
void gui_window_destroy(struct gui_window *g)
{
if (g->prev)
g->prev->next = g->next;
else
window_list = g->next;
if (g->next)
g->next->prev = g->prev;
LOG(("Destroying gui_window %p", g));
assert(g != NULL);
assert(g->bw != NULL);
LOG((" Scaffolding: %p", g->scaffold));
LOG((" Window name: %s", g->bw->name));
/* If we're a top-level gui_window, destroy our scaffold */
if (g->scrolledwindow == NULL) {
gtk_widget_destroy(GTK_WIDGET(g->viewport));
nsgtk_scaffolding_destroy(g->scaffold);
} else {
gtk_widget_destroy(GTK_WIDGET(g->scrolledwindow));
}
free(g);
}
void nsgtk_redraw_caret(struct gui_window *g)
{
if (g->careth == 0)
return;
gui_window_redraw(g, g->caretx, g->carety,
g->caretx, g->carety + g->careth);
}
void gui_window_redraw(struct gui_window *g, int x0, int y0, int x1, int y1)
{
gtk_widget_queue_draw_area(GTK_WIDGET(g->drawing_area),
x0, y0, x1-x0+1, y1-y0+1);
}
void gui_window_redraw_window(struct gui_window *g)
{
gtk_widget_queue_draw(GTK_WIDGET(g->drawing_area));
}
void gui_window_update_box(struct gui_window *g,
const union content_msg_data *data)
{
hlcache_handle *c = g->bw->current_content;
if (c == NULL)
return;
gtk_widget_queue_draw_area(GTK_WIDGET(g->drawing_area),
data->redraw.x * g->bw->scale,
data->redraw.y * g->bw->scale,
data->redraw.width * g->bw->scale,
data->redraw.height * g->bw->scale);
}
bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
GtkAdjustment *vadj = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
assert(vadj);
assert(hadj);
*sy = (int)(gtk_adjustment_get_value(vadj));
*sx = (int)(gtk_adjustment_get_value(hadj));
return true;
}
void gui_window_set_scroll(struct gui_window *g, int sx, int sy)
{
GtkAdjustment *vadj = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
gdouble vlower, vpage, vupper, hlower, hpage, hupper, x = (double)sx, y = (double)sy;
assert(vadj);
assert(hadj);
g_object_get(vadj, "page-size", &vpage, "lower", &vlower, "upper", &vupper, NULL);
g_object_get(hadj, "page-size", &hpage, "lower", &hlower, "upper", &hupper, NULL);
if (x < hlower)
x = hlower;
if (x > (hupper - hpage))
x = hupper - hpage;
if (y < vlower)
y = vlower;
if (y > (vupper - vpage))
y = vupper - vpage;
gtk_adjustment_set_value(vadj, y);
gtk_adjustment_set_value(hadj, x);
}
void gui_window_scroll_visible(struct gui_window *g, int x0, int y0,
int x1, int y1)
{
gui_window_set_scroll(g,x0,y0);
}
/**
* 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)
{
}
void gui_window_update_extent(struct gui_window *g)
{
if (!g->bw->current_content)
return;
gtk_widget_set_size_request(GTK_WIDGET(g->drawing_area),
content_get_width(g->bw->current_content) * g->bw->scale,
content_get_height(g->bw->current_content) * g->bw->scale);
gtk_widget_set_size_request(GTK_WIDGET(g->viewport), 0, 0);
}
static GdkCursor *nsgtk_create_menu_cursor(void)
{
static char menu_cursor_bits[] = {
0x00, 0x00, 0x80, 0x7F, 0x88, 0x40, 0x9E, 0x5E, 0x88, 0x40, 0x80, 0x56,
0x80, 0x40, 0x80, 0x5A, 0x80, 0x40, 0x80, 0x5E, 0x80, 0x40, 0x80, 0x56,
0x80, 0x40, 0x80, 0x7F, 0x00, 0x00, 0x00, 0x00, };
static char menu_cursor_mask_bits[] = {
0xC0, 0xFF, 0xC8, 0xFF, 0xDF, 0xFF, 0xFF, 0xFF, 0xDF, 0xFF, 0xC8, 0xFF,
0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF,
0xC0, 0xFF, 0xC0, 0xFF, 0xC0, 0xFF, 0x00, 0x00, };
static GdkCursor *r;
static GdkColor fg = { 0, 0, 0, 0 };
static GdkColor bg = { 0, 65535, 65535, 65535 };
GdkPixmap *source, *mask;
if (r != NULL)
return r;
source = gdk_bitmap_create_from_data(NULL, menu_cursor_bits,
16, 16);
mask = gdk_bitmap_create_from_data (NULL, menu_cursor_mask_bits,
16, 16);
r = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 0, 3);
gdk_pixmap_unref(source);
gdk_pixmap_unref(mask);
return r;
}
void gui_window_set_pointer(struct gui_window *g, gui_pointer_shape shape)
{
GdkCursor *cursor = NULL;
GdkCursorType cursortype;
bool nullcursor = false;
if (g->current_pointer == shape)
return;
g->current_pointer = shape;
switch (shape) {
case GUI_POINTER_POINT:
cursortype = GDK_HAND2;
break;
case GUI_POINTER_CARET:
cursortype = GDK_XTERM;
break;
case GUI_POINTER_UP:
cursortype = GDK_TOP_SIDE;
break;
case GUI_POINTER_DOWN:
cursortype = GDK_BOTTOM_SIDE;
break;
case GUI_POINTER_LEFT:
cursortype = GDK_LEFT_SIDE;
break;
case GUI_POINTER_RIGHT:
cursortype = GDK_RIGHT_SIDE;
break;
case GUI_POINTER_LD:
cursortype = GDK_BOTTOM_LEFT_CORNER;
break;
case GUI_POINTER_RD:
cursortype = GDK_BOTTOM_RIGHT_CORNER;
break;
case GUI_POINTER_LU:
cursortype = GDK_TOP_LEFT_CORNER;
break;
case GUI_POINTER_RU:
cursortype = GDK_TOP_RIGHT_CORNER;
break;
case GUI_POINTER_CROSS:
cursortype = GDK_CROSS;
break;
case GUI_POINTER_MOVE:
cursortype = GDK_FLEUR;
break;
case GUI_POINTER_WAIT:
cursortype = GDK_WATCH;
break;
case GUI_POINTER_HELP:
cursortype = GDK_QUESTION_ARROW;
break;
case GUI_POINTER_MENU:
cursor = nsgtk_create_menu_cursor();
nullcursor = true;
break;
case GUI_POINTER_PROGRESS:
/* In reality, this needs to be the funky left_ptr_watch
* which we can't do easily yet.
*/
cursortype = GDK_WATCH;
break;
/* The following we're not sure about */
case GUI_POINTER_NO_DROP:
case GUI_POINTER_NOT_ALLOWED:
case GUI_POINTER_DEFAULT:
default:
nullcursor = true;
}
if (!nullcursor)
cursor = gdk_cursor_new_for_display(
gtk_widget_get_display(
GTK_WIDGET(g->drawing_area)),
cursortype);
gdk_window_set_cursor(GTK_WIDGET(g->drawing_area)->window, cursor);
if (!nullcursor)
gdk_cursor_unref(cursor);
}
void gui_window_hide_pointer(struct gui_window *g)
{
}
void gui_window_place_caret(struct gui_window *g, int x, int y, int height)
{
nsgtk_redraw_caret(g);
g->caretx = x;
g->carety = y + 1;
g->careth = height - 2;
nsgtk_redraw_caret(g);
gtk_widget_grab_focus(GTK_WIDGET(g->drawing_area));
}
void gui_window_remove_caret(struct gui_window *g)
{
int oh = g->careth;
if (oh == 0)
return;
g->careth = 0;
gui_window_redraw(g, g->caretx, g->carety,
g->caretx, g->carety + oh);
}
void gui_window_new_content(struct gui_window *g)
{
}
bool gui_window_scroll_start(struct gui_window *g)
{
return true;
}
bool gui_window_box_scroll_start(struct gui_window *g,
int x0, int y0, int x1, int y1)
{
return true;
}
void gui_drag_save_object(gui_save_type type, hlcache_handle *c,
struct gui_window *g)
{
}
void gui_drag_save_selection(struct selection *s, struct gui_window *g)
{
}
void gui_window_get_dimensions(struct gui_window *g, int *width, int *height,
bool scaled)
{
*width = GTK_WIDGET(g->viewport)->allocation.width;
*height = GTK_WIDGET(g->viewport)->allocation.height;
if (scaled) {
*width /= g->bw->scale;
*height /= g->bw->scale;
}
LOG(("\tWINDOW WIDTH: %i\n", *width));
LOG(("\tWINDOW HEIGHT: %i\n", *height));
}
bool gui_window_frame_resize_start(struct gui_window *g)
{
return true;
}
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