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netsurf/gtk/gtk_window.c

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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 2006 Rob Kendrick <rjek@rjek.com>
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include <glade/glade.h>
#include "netsurf/content/content.h"
#include "netsurf/desktop/browser.h"
#include "netsurf/desktop/history_core.h"
#include "netsurf/desktop/gui.h"
#include "netsurf/desktop/netsurf.h"
#include "netsurf/desktop/plotters.h"
#include "netsurf/desktop/options.h"
#include "netsurf/desktop/textinput.h"
#include "netsurf/desktop/gesture_core.h"
#include "netsurf/gtk/gtk_gui.h"
#include "netsurf/gtk/gtk_plotters.h"
#include "netsurf/gtk/gtk_window.h"
#include "netsurf/gtk/gtk_options.h"
#include "netsurf/gtk/gtk_completion.h"
#include "netsurf/gtk/gtk_throbber.h"
#include "netsurf/gtk/gtk_history.h"
#include "netsurf/render/box.h"
#include "netsurf/render/font.h"
#include "netsurf/render/form.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utils.h"
#include "netsurf/utils/log.h"
struct gtk_history_window;
struct gui_window {
GtkWindow *window;
GtkEntry *url_bar;
GtkEntryCompletion *url_bar_completion;
GtkDrawingArea *drawing_area;
GtkViewport *viewport;
GtkLabel *status_bar;
GtkToolButton *back_button;
GtkToolButton *forward_button;
GtkToolButton *stop_button;
GtkToolButton *reload_button;
GtkMenuItem *back_menu;
GtkMenuItem *forward_menu;
GtkMenuItem *stop_menu;
GtkMenuItem *reload_menu;
GtkImage *throbber;
GladeXML *xml;
struct browser_window *bw;
float scale;
int target_width, target_height;
int caretx, carety, careth;
gui_pointer_shape current_pointer;
int throb_frame;
struct gtk_history_window *history_window;
int last_x, last_y;
struct gui_window *next, *prev;
};
struct gtk_history_window {
struct gui_window *g;
GtkWindow *window;
GtkScrolledWindow *scrolled;
GtkDrawingArea *drawing_area;
};
GtkWidget *current_widget;
GdkDrawable *current_drawable;
GdkGC *current_gc;
#ifdef CAIRO_VERSION
cairo_t *current_cr;
#endif
struct menu_events {
const char *widget;
GCallback handler;
};
static int open_windows = 0; /**< current number of open browsers */
static struct gui_window *window_list = 0; /**< first entry in win list*/
static wchar_t gdkkey_to_nskey(GdkEventKey *);
static void nsgtk_window_destroy_event(GtkWidget *, gpointer);
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_keypress_event(GtkWidget *, GdkEventKey *,
gpointer);
static gboolean nsgtk_window_size_allocate_event(GtkWidget *, GtkAllocation *,
gpointer);
static void nsgtk_perform_deferred_resize(void *);
static void nsgtk_window_update_back_forward(struct gui_window *);
static void nsgtk_throb(void *);
static void nsgtk_redraw_caret(struct gui_window *);
static gboolean nsgtk_window_back_button_clicked(GtkWidget *, gpointer);
static gboolean nsgtk_window_forward_button_clicked(GtkWidget *, gpointer);
static gboolean nsgtk_window_stop_button_clicked(GtkWidget *, gpointer);
static gboolean nsgtk_window_reload_button_clicked(GtkWidget *, gpointer);
static gboolean nsgtk_window_home_button_clicked(GtkWidget *, gpointer);
static gboolean nsgtk_window_url_activate_event(GtkWidget *, gpointer);
static gboolean nsgtk_window_url_changed(GtkWidget *, GdkEventKey *, gpointer);
static gboolean nsgtk_history_expose_event(GtkWidget *, GdkEventExpose *,
gpointer);
static gboolean nsgtk_history_motion_notify_event(GtkWidget *, GdkEventMotion *,
gpointer);
static gboolean nsgtk_history_button_press_event(GtkWidget *, GdkEventButton *,
gpointer);
static void nsgtk_attach_menu_handlers(GladeXML *, gpointer);
static void nsgtk_window_change_scale(struct gui_window *, float);
#define MENUEVENT(x) { #x, G_CALLBACK(nsgtk_on_##x##_activate) }
#define MENUPROTO(x) static gboolean nsgtk_on_##x##_activate( \
GtkMenuItem *widget, gpointer g)
/* prototypes for menu handlers */
/* file menu */
MENUPROTO(new_window);
MENUPROTO(close_window);
MENUPROTO(quit);
/* edit menu */
MENUPROTO(choices);
/* view menu */
MENUPROTO(stop);
MENUPROTO(reload);
MENUPROTO(zoom_in);
MENUPROTO(normal_size);
MENUPROTO(zoom_out);
/* navigate menu */
MENUPROTO(back);
MENUPROTO(forward);
MENUPROTO(home);
MENUPROTO(local_history);
MENUPROTO(global_history);
/* help menu */
MENUPROTO(about);
/* structure used by nsgtk_attach_menu_handlers to connect menu items to
* their handling functions.
*/
static struct menu_events menu_events[] = {
/* file menu */
MENUEVENT(new_window),
MENUEVENT(close_window),
MENUEVENT(quit),
/* edit menu */
MENUEVENT(choices),
/* view menu */
MENUEVENT(stop),
MENUEVENT(reload),
MENUEVENT(zoom_in),
MENUEVENT(normal_size),
MENUEVENT(zoom_out),
/* navigate menu */
MENUEVENT(back),
MENUEVENT(forward),
MENUEVENT(home),
MENUEVENT(local_history),
MENUEVENT(global_history),
/* help menu */
MENUEVENT(about),
/* sentinel */
{ NULL, NULL }
};
void nsgtk_reflow_all_windows(void)
{
struct gui_window *g = window_list;
while (g != NULL) {
nsgtk_perform_deferred_resize(g);
g = g->next;
}
}
void nsgtk_attach_menu_handlers(GladeXML *xml, gpointer g)
{
struct menu_events *event = menu_events;
while (event->widget != NULL)
{
GtkWidget *w = glade_xml_get_widget(xml, event->widget);
g_signal_connect(G_OBJECT(w), "activate", event->handler, g);
event++;
}
}
wchar_t gdkkey_to_nskey(GdkEventKey *key)
{
/* this function will need to become much more complex to support
* everything that the RISC OS version does. But this will do for
* now. I hope.
*/
switch (key->keyval)
{
case GDK_BackSpace: return KEY_DELETE_LEFT;
case GDK_Delete: return KEY_DELETE_RIGHT;
case GDK_Linefeed: return 13;
case GDK_Return: return 10;
case GDK_Left: return KEY_LEFT;
case GDK_Right: return KEY_RIGHT;
case GDK_Up: return KEY_UP;
case GDK_Down: return KEY_DOWN;
/* Modifiers - do nothing for now */
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Caps_Lock:
case GDK_Shift_Lock:
case GDK_Meta_L:
case GDK_Meta_R:
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Super_L:
case GDK_Super_R:
case GDK_Hyper_L:
case GDK_Hyper_R: return 0;
default: return key->keyval;
}
}
/* event handlers and support functions for them */
void nsgtk_window_destroy_event(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
gui_window_destroy(g);
}
gboolean nsgtk_window_expose_event(GtkWidget *widget,
GdkEventExpose *event, gpointer data)
{
struct gui_window *g = data;
struct content *c = g->bw->current_content;
if (c == NULL)
return FALSE;
current_widget = widget;
current_drawable = 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->scale);
content_redraw(c, 0, 0,
widget->allocation.width,
widget->allocation.height,
event->area.x,
event->area.y,
event->area.x + event->area.width,
event->area.y + event->area.height,
g->scale, 0xFFFFFF);
if (g->careth != 0)
plot.line(g->caretx, g->carety,
g->caretx, g->carety + g->careth, 1, 0, false, false);
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;
browser_window_mouse_track(g->bw, 0, event->x / g->scale,
event->y / g->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;
int button = BROWSER_MOUSE_CLICK_1;
if (event->button == 2) /* 2 == middle button on X */
button = BROWSER_MOUSE_CLICK_2;
if (event->button == 3) /* 3 == right button on X */
return TRUE; /* Do nothing for right click for now */
browser_window_mouse_click(g->bw, button,
event->x / g->scale, event->y / g->scale);
return TRUE;
}
gboolean nsgtk_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
struct gui_window *g = data;
wchar_t nskey = gdkkey_to_nskey(event);
browser_window_key_press(g->bw, nskey);
return TRUE;
}
gboolean nsgtk_window_size_allocate_event(GtkWidget *widget,
GtkAllocation *allocation, gpointer data)
{
struct gui_window *g = data;
g->target_width = widget->allocation.width - 2;
g->target_height = widget->allocation.height;
/* schedule a callback to perform the resize for 1/10s from now */
schedule(5, nsgtk_perform_deferred_resize, g);
return TRUE;
}
void nsgtk_perform_deferred_resize(void *p)
{
struct gui_window *g = p;
if (gui_in_multitask)
return;
if (g->bw->current_content == NULL)
return;
if (g->bw->current_content->status != CONTENT_STATUS_READY &&
g->bw->current_content->status != CONTENT_STATUS_DONE)
return;
content_reformat(g->bw->current_content,
g->target_width, g->target_height);
if (GTK_WIDGET_SENSITIVE((GTK_WIDGET(g->stop_button))))
schedule(100, nsgtk_perform_deferred_resize, g);
}
void nsgtk_window_update_back_forward(struct gui_window *g)
{
int width, height;
gtk_widget_set_sensitive(GTK_WIDGET(g->back_button),
history_back_available(g->bw->history));
gtk_widget_set_sensitive(GTK_WIDGET(g->forward_button),
history_forward_available(g->bw->history));
gtk_widget_set_sensitive(GTK_WIDGET(g->back_menu),
history_back_available(g->bw->history));
gtk_widget_set_sensitive(GTK_WIDGET(g->forward_menu),
history_forward_available(g->bw->history));
/* update the local history window, as well as queuing a redraw
* for it.
*/
history_size(g->bw->history, &width, &height);
gtk_widget_set_size_request(GTK_WIDGET(g->history_window->drawing_area),
width, height);
gtk_widget_queue_draw(GTK_WIDGET(g->history_window->drawing_area));
}
void nsgtk_throb(void *p)
{
struct gui_window *g = p;
if (g->throb_frame >= (nsgtk_throbber->nframes - 1))
g->throb_frame = 1;
else
g->throb_frame++;
gtk_image_set_from_pixbuf(g->throbber, nsgtk_throbber->framedata[
g->throb_frame]);
schedule(10, nsgtk_throb, p);
}
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);
}
/* signal handling functions for the toolbar and URL bar */
gboolean nsgtk_window_back_button_clicked(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
if (!history_back_available(g->bw->history))
return TRUE;
history_back(g->bw, g->bw->history);
nsgtk_window_update_back_forward(g);
return TRUE;
}
gboolean nsgtk_window_forward_button_clicked(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
if (!history_forward_available(g->bw->history))
return TRUE;
history_forward(g->bw, g->bw->history);
nsgtk_window_update_back_forward(g);
return TRUE;
}
gboolean nsgtk_window_stop_button_clicked(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
browser_window_stop(g->bw);
return TRUE;
}
gboolean nsgtk_window_reload_button_clicked(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
browser_window_reload(g->bw, true);
return TRUE;
}
gboolean nsgtk_window_home_button_clicked(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
static const char *addr = "http://netsurf.sourceforge.net/";
if (option_homepage_url != NULL)
addr = option_homepage_url;
browser_window_go(g->bw, addr, 0, true);
return TRUE;
}
gboolean nsgtk_window_url_activate_event(GtkWidget *widget, gpointer data)
{
struct gui_window *g = data;
char *referer = 0;
if (g->bw->current_content && g->bw->current_content->url)
referer = g->bw->current_content->url;
browser_window_go(g->bw, gtk_entry_get_text(GTK_ENTRY(g->url_bar)),
referer, true);
return TRUE;
}
gboolean nsgtk_window_url_changed(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
const char *prefix;
prefix = gtk_entry_get_text(GTK_ENTRY(widget));
nsgtk_completion_update(prefix);
return TRUE;
}
/* signal handlers for menu entries */
#define MENUHANDLER(x) gboolean nsgtk_on_##x##_activate(GtkMenuItem *widget, \
gpointer g)
MENUHANDLER(new_window)
{
return TRUE;
}
MENUHANDLER(close_window)
{
struct gui_window *gw = (struct gui_window *)g;
gtk_widget_destroy(GTK_WIDGET(gw->window));
return TRUE;
}
MENUHANDLER(quit)
{
netsurf_quit = true;
return TRUE;
}
MENUHANDLER(choices)
{
gtk_widget_show(GTK_WIDGET(wndChoices));
return TRUE;
}
void nsgtk_window_change_scale(struct gui_window *g, float scale)
{
g->scale = scale;
if (g->bw->current_content != NULL)
gui_window_set_extent(g, g->bw->current_content->width,
g->bw->current_content->height);
gtk_widget_queue_draw(GTK_WIDGET(g->drawing_area));
}
MENUHANDLER(zoom_in)
{
struct gui_window *gw = g;
nsgtk_window_change_scale(gw, gw->scale + 0.05);
return TRUE;
}
MENUHANDLER(normal_size)
{
struct gui_window *gw = g;
nsgtk_window_change_scale(gw, 1.00);
return TRUE;
}
MENUHANDLER(zoom_out)
{
struct gui_window *gw = g;
nsgtk_window_change_scale(gw, gw->scale - 0.05);
return TRUE;
}
MENUHANDLER(stop)
{
return nsgtk_window_stop_button_clicked(GTK_WIDGET(widget), g);
}
MENUHANDLER(reload)
{
return nsgtk_window_reload_button_clicked(GTK_WIDGET(widget), g);
}
MENUHANDLER(back)
{
return nsgtk_window_back_button_clicked(GTK_WIDGET(widget), g);
}
MENUHANDLER(forward)
{
return nsgtk_window_forward_button_clicked(GTK_WIDGET(widget), g);
}
MENUHANDLER(home)
{
return nsgtk_window_home_button_clicked(GTK_WIDGET(widget), g);
}
MENUHANDLER(local_history)
{
struct gui_window *gw = (struct gui_window *)g;
gtk_widget_show(GTK_WIDGET(gw->history_window->window));
gdk_window_raise(GDK_WINDOW(gw->history_window->window));
return TRUE;
}
MENUHANDLER(global_history)
{
gtk_widget_show(GTK_WIDGET(wndHistory));
gdk_window_raise(GDK_WINDOW(wndHistory));
return TRUE;
}
MENUHANDLER(about)
{
return TRUE;
}
/* signal handler functions for the local history window */
gboolean nsgtk_history_expose_event(GtkWidget *widget,
GdkEventExpose *event, gpointer g)
{
struct gtk_history_window *hw = g;
current_widget = widget;
current_drawable = 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(1.0);
history_redraw(hw->g->bw->history);
g_object_unref(current_gc);
#ifdef CAIRO_VERSION
cairo_destroy(current_cr);
#endif
return FALSE;
}
gboolean nsgtk_history_motion_notify_event(GtkWidget *widget,
GdkEventMotion *event, gpointer g)
{
return TRUE;
}
gboolean nsgtk_history_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer g)
{
struct gtk_history_window *hw = g;
history_click(hw->g->bw, hw->g->bw->history,
event->x, event->y, false);
return TRUE;
}
/* functions called by the core to manipulate the GUI */
#define GET_WIDGET(x) glade_xml_get_widget(g->xml, (x))
struct gui_window *gui_create_browser_window(struct browser_window *bw,
struct browser_window *clone)
{
struct gui_window *g; /**< what we're creating to return */
g = malloc(sizeof(*g));
g->bw = bw;
g->current_pointer = GUI_POINTER_DEFAULT;
if (clone != NULL)
g->scale = clone->window->scale;
else
g->scale = 1.0;
g->careth = 0;
/* add the window to the list of open windows. */
g->prev = 0;
g->next = window_list;
if (window_list)
window_list->prev = g;
window_list = g;
open_windows++;
/* load the window template from the glade xml file, and extract
* widget references from it for later use.
*/
g->xml = glade_xml_new(glade_file_location, "wndBrowser", NULL);
glade_xml_signal_autoconnect(g->xml);
g->window = GTK_WINDOW(GET_WIDGET("wndBrowser"));
g->url_bar = GTK_ENTRY(GET_WIDGET("URLBar"));
g->drawing_area = GTK_DRAWING_AREA(GET_WIDGET("drawingArea"));
g->status_bar = GTK_LABEL(GET_WIDGET("statusBar"));
g->back_button = GTK_TOOL_BUTTON(GET_WIDGET("toolBack"));
g->forward_button = GTK_TOOL_BUTTON(GET_WIDGET("toolForward"));
g->stop_button = GTK_TOOL_BUTTON(GET_WIDGET("toolStop"));
g->reload_button = GTK_TOOL_BUTTON(GET_WIDGET("toolReload"));
g->back_menu = GTK_MENU_ITEM(GET_WIDGET("back"));
g->forward_menu = GTK_MENU_ITEM(GET_WIDGET("forward"));
g->stop_menu = GTK_MENU_ITEM(GET_WIDGET("stop"));
g->reload_menu = GTK_MENU_ITEM(GET_WIDGET("reload"));
g->throbber = GTK_IMAGE(GET_WIDGET("throbber"));
g->viewport = GTK_VIEWPORT(GET_WIDGET("viewport1"));
/* connect our scrollbars to the viewport */
gtk_viewport_set_hadjustment(g->viewport,
gtk_range_get_adjustment(GTK_RANGE(GET_WIDGET("hscrollbar1"))));
gtk_viewport_set_vadjustment(g->viewport,
gtk_range_get_adjustment(GTK_RANGE(GET_WIDGET("vscrollbar1"))));
gtk_widget_set_size_request(GTK_WIDGET(g->viewport), 0, 0);
/* set the URL entry box to expand, as we can't do this from within
* glade because of the way it emulates toolbars.
*/
gtk_tool_item_set_expand(GTK_TOOL_ITEM(GET_WIDGET("toolURLBar")), TRUE);
/* set the initial size of the browser window */
gtk_window_set_default_size(g->window, 600, 600);
/* set the events we're interested in receiving from the browser's
* drawing area.
*/
gtk_widget_set_events(GTK_WIDGET(g->drawing_area),
GDK_EXPOSURE_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_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 } ));
/* disable toolbar buttons that make no sense initially. */
gtk_widget_set_sensitive(GTK_WIDGET(g->back_button), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(g->forward_button), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(g->stop_button), FALSE);
/* create the local history window to be assoicated with this browser */
g->history_window = malloc(sizeof(struct gtk_history_window));
g->history_window->g = g;
g->history_window->window = GTK_WINDOW(
gtk_window_new(GTK_WINDOW_TOPLEVEL));
gtk_window_set_transient_for(g->history_window->window, g->window);
gtk_window_set_default_size(g->history_window->window, 400, 400);
gtk_window_set_title(g->history_window->window, "NetSurf History");
gtk_window_set_type_hint(g->history_window->window,
GDK_WINDOW_TYPE_HINT_UTILITY);
g->history_window->scrolled = GTK_SCROLLED_WINDOW(
gtk_scrolled_window_new(0, 0));
gtk_container_add(GTK_CONTAINER(g->history_window->window),
GTK_WIDGET(g->history_window->scrolled));
gtk_widget_show(GTK_WIDGET(g->history_window->scrolled));
g->history_window->drawing_area = GTK_DRAWING_AREA(
gtk_drawing_area_new());
gtk_widget_set_events(GTK_WIDGET(g->history_window->drawing_area),
GDK_EXPOSURE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK);
gtk_widget_modify_bg(GTK_WIDGET(g->history_window->drawing_area),
GTK_STATE_NORMAL,
&((GdkColor) { 0, 0xffff, 0xffff, 0xffff } ));
gtk_scrolled_window_add_with_viewport(g->history_window->scrolled,
GTK_WIDGET(g->history_window->drawing_area));
gtk_widget_show(GTK_WIDGET(g->history_window->drawing_area));
/* set up URL bar completion */
g->url_bar_completion = gtk_entry_completion_new();
gtk_entry_set_completion(g->url_bar, g->url_bar_completion);
gtk_entry_completion_set_match_func(g->url_bar_completion,
nsgtk_completion_match, NULL, NULL);
gtk_entry_completion_set_model(g->url_bar_completion,
GTK_TREE_MODEL(nsgtk_completion_list));
gtk_entry_completion_set_text_column(g->url_bar_completion, 0);
gtk_entry_completion_set_minimum_key_length(g->url_bar_completion, 1);
gtk_entry_completion_set_popup_completion(g->url_bar_completion, TRUE);
g_object_set(G_OBJECT(g->url_bar_completion),
"popup-set-width", TRUE,
"popup-single-match", TRUE,
NULL);
/* set up the throbber. */
gtk_image_set_from_pixbuf(g->throbber, nsgtk_throbber->framedata[0]);
g->throb_frame = 0;
#define CONNECT(obj, sig, callback, ptr) \
g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))
/* connect history window signals to their handlers */
CONNECT(g->history_window->drawing_area, "expose_event",
nsgtk_history_expose_event, g->history_window);
CONNECT(g->history_window->drawing_area, "motion_notify_event",
nsgtk_history_motion_notify_event, g->history_window);
CONNECT(g->history_window->drawing_area, "button_press_event",
nsgtk_history_button_press_event, g->history_window);
CONNECT(g->history_window->window, "delete_event",
gtk_widget_hide_on_delete, NULL);
/* connect signals to handlers. */
CONNECT(g->window, "destroy", nsgtk_window_destroy_event, g);
CONNECT(g->drawing_area, "expose_event", nsgtk_window_expose_event, g);
CONNECT(g->drawing_area, "motion_notify_event",
nsgtk_window_motion_notify_event, g);
CONNECT(g->drawing_area, "button_press_event",
nsgtk_window_button_press_event, g);
CONNECT(g->drawing_area, "key_press_event",
nsgtk_window_keypress_event, g);
CONNECT(GET_WIDGET("viewport1"), "size_allocate",
nsgtk_window_size_allocate_event, g);
/* toolbar and URL bar signal handlers */
CONNECT(g->back_button, "clicked", nsgtk_window_back_button_clicked, g);
CONNECT(g->forward_button, "clicked",
nsgtk_window_forward_button_clicked, g);
CONNECT(g->stop_button, "clicked", nsgtk_window_stop_button_clicked, g);
CONNECT(g->reload_button, "clicked",
nsgtk_window_reload_button_clicked, g);
CONNECT(GET_WIDGET("toolHome"), "clicked",
nsgtk_window_home_button_clicked, g);
CONNECT(g->url_bar, "activate", nsgtk_window_url_activate_event, g);
CONNECT(g->url_bar, "changed", nsgtk_window_url_changed, g);
/* set up the menu signal handlers */
nsgtk_attach_menu_handlers(g->xml, g);
/* finally, show the window. */
gtk_widget_show(GTK_WIDGET(g->window));
return g;
}
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;
gtk_widget_destroy(GTK_WIDGET(g->history_window->window));
gtk_widget_destroy(GTK_WIDGET(g->window));
free(g);
if (--open_windows == 0)
netsurf_quit = true;
}
void gui_window_set_title(struct gui_window *g, const char *title)
{
static char suffix[] = " - NetSurf";
char nt[strlen(title) + strlen(suffix) + 1];
if (title == NULL || title[0] == '\0')
{
gtk_window_set_title(g->window, "NetSurf");
}
else
{
strcpy(nt, title);
strcat(nt, suffix);
gtk_window_set_title(g->window, nt);
}
}
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)
{
struct content *c = g->bw->current_content;
if (c == NULL)
return;
gtk_widget_queue_draw_area(GTK_WIDGET(g->drawing_area),
data->redraw.x, data->redraw.y,
data->redraw.width, data->redraw.height);
}
bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
*sx = 0;
*sy = 0;
return true;
}
void gui_window_set_scroll(struct gui_window *g, int sx, int sy)
{
}
int gui_window_get_width(struct gui_window* g)
{
return GTK_WIDGET(g->drawing_area)->allocation.width;
}
int gui_window_get_height(struct gui_window* g)
{
return GTK_WIDGET(g->drawing_area)->allocation.height;
}
void gui_window_set_extent(struct gui_window *g, int width, int height)
{
gtk_widget_set_size_request(GTK_WIDGET(g->drawing_area),
width * g->scale, height * g->scale);
gtk_widget_set_size_request(GTK_WIDGET(g->viewport), 0, 0);
}
void gui_window_set_status(struct gui_window *g, const char *text)
{
gtk_label_set_text(g->status_bar, text);
}
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_HAND1;
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:
cursortype = GDK_RIGHTBUTTON;
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_set_url(struct gui_window *g, const char *url)
{
gtk_entry_set_text(g->url_bar, url);
}
void gui_window_start_throbber(struct gui_window* g)
{
gtk_widget_set_sensitive(GTK_WIDGET(g->stop_button), TRUE);
gtk_widget_set_sensitive(GTK_WIDGET(g->reload_button), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(g->stop_menu), TRUE);
gtk_widget_set_sensitive(GTK_WIDGET(g->reload_button), FALSE);
nsgtk_window_update_back_forward(g);
schedule(10, nsgtk_throb, g);
}
void gui_window_stop_throbber(struct gui_window* g)
{
gtk_widget_set_sensitive(GTK_WIDGET(g->stop_button), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(g->reload_button), TRUE);
gtk_widget_set_sensitive(GTK_WIDGET(g->stop_menu), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(g->reload_menu), TRUE);
nsgtk_window_update_back_forward(g);
schedule_remove(nsgtk_throb, g);
gtk_image_set_from_pixbuf(g->throbber, nsgtk_throbber->framedata[0]);
// Issue a final reflow so that the content object reports its size correctly
schedule(5, nsgtk_perform_deferred_resize, 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;
nsgtk_redraw_caret(g);
gtk_widget_grab_focus(GTK_WIDGET(g->drawing_area));
}
void gui_window_remove_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_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, struct content *c,
struct gui_window *g)
{
}
void gui_drag_save_selection(struct selection *s, struct gui_window *g)
{
}
void gui_start_selection(struct gui_window *g)
{
}
void gui_paste_from_clipboard(struct gui_window *g, int x, int y)
{
}
bool gui_empty_clipboard(void)
{
return true;
}
bool gui_add_to_clipboard(const char *text, size_t length, bool space)
{
return true;
}
bool gui_commit_clipboard(void)
{
return true;
}
bool gui_copy_to_clipboard(struct selection *s)
{
return true;
}
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