/**
* cleanup code physical update of all toolbars; resensitize
* \param g the 'front' scaffolding that called customize
*/
void nsgtk_toolbar_close(nsgtk_scaffolding *g)
{
int i;
nsgtk_scaffolding *list = scaf_list;
while (list) {
struct nsgtk_theme *theme =
nsgtk_theme_load(GTK_ICON_SIZE_LARGE_TOOLBAR);
if (theme == NULL) {
warn_user(messages_get("NoMemory"), 0);
continue;
}
/* clear toolbar */
gtk_container_foreach(GTK_CONTAINER(nsgtk_scaffolding_toolbar(
list)), nsgtk_toolbar_clear_toolbar, list);
/* then add items */
for (i = BACK_BUTTON; i < PLACEHOLDER_BUTTON; i++) {
nsgtk_toolbar_add_item_to_toolbar(list, i, theme);
}
nsgtk_toolbar_connect_all(list);
gtk_widget_show_all(GTK_WIDGET(nsgtk_scaffolding_toolbar(
list)));
nsgtk_scaffolding_set_sensitivity(list);
nsgtk_widget_override_background_color(GTK_WIDGET(nsgtk_window_get_layout(nsgtk_scaffolding_top_level(list))), GTK_STATE_NORMAL, 0, 0xFFFF, 0xFFFF, 0xFFFF);
g_signal_handler_unblock(GTK_WIDGET(
nsgtk_window_get_layout(
nsgtk_scaffolding_top_level(list))),
nsgtk_window_get_signalhandler(
nsgtk_scaffolding_top_level(list),
NSGTK_WINDOW_SIGNAL_CLICK));
g_signal_handler_unblock(GTK_WIDGET(
nsgtk_window_get_layout(
nsgtk_scaffolding_top_level(list))),
nsgtk_window_get_signalhandler(
nsgtk_scaffolding_top_level(list),
NSGTK_WINDOW_SIGNAL_REDRAW));
if ((nsgtk_get_browser_window(nsgtk_scaffolding_top_level(
list))->current_content != NULL) &&
(hlcache_handle_get_url(nsgtk_get_browser_window(
nsgtk_scaffolding_top_level(list))->
current_content) != NULL))
browser_window_refresh_url_bar(
nsgtk_get_browser_window(
nsgtk_scaffolding_top_level(list)),
hlcache_handle_get_url(
nsgtk_get_browser_window(
nsgtk_scaffolding_top_level(list))->
current_content),
nsgtk_get_browser_window(
nsgtk_scaffolding_top_level(list))->
frag_id);
if (list != g)
gtk_widget_set_sensitive(GTK_WIDGET(
nsgtk_scaffolding_window(list)), TRUE);
free(theme);
list = nsgtk_scaffolding_iterate(list);
}
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_scaffolding_notebook(g)),
TRUE);
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_scaffolding_menu_bar(g)),
TRUE);
/* update favicon etc */
nsgtk_scaffolding_set_top_level(nsgtk_scaffolding_top_level(g));
if (search_web_ico())
gui_window_set_search_ico(search_web_ico());
}
static gboolean
nsgtk_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
struct gui_window *gw = data;
struct gui_window *z;
struct rect clip;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
double x1;
double y1;
double x2;
double y2;
assert(gw);
assert(gw->bw);
for (z = window_list; z && z != gw; z = z->next)
continue;
assert(z);
assert(GTK_WIDGET(gw->layout) == widget);
current_widget = (GtkWidget *)gw->layout;
current_cr = cr;
cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
clip.x0 = x1;
clip.y0 = y1;
clip.x1 = x2;
clip.y1 = y2;
browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);
if (gw->careth != 0) {
nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
}
current_widget = NULL;
return FALSE;
}
#else
static gboolean
nsgtk_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct gui_window *gw = data;
struct gui_window *z;
struct rect clip;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
assert(gw);
assert(gw->bw);
for (z = window_list; z && z != gw; z = z->next)
continue;
assert(z);
assert(GTK_WIDGET(gw->layout) == widget);
current_widget = (GtkWidget *)gw->layout;
current_cr = gdk_cairo_create(nsgtk_layout_get_bin_window(gw->layout));
clip.x0 = event->area.x;
clip.y0 = event->area.y;
clip.x1 = event->area.x + event->area.width;
clip.y1 = event->area.y + event->area.height;
browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);
if (gw->careth != 0) {
nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
}
cairo_destroy(current_cr);
current_widget = NULL;
return FALSE;
}
#endif
static 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)) {
/* Mouse hasn't moved far enough from press coordinate for this
* to be considered a drag. */
return FALSE;
} else {
/* This is a drag, ensure it's always treated as such, even if
* we drag back over the press location */
g->last_x = INT_MIN;
g->last_y = INT_MIN;
}
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);
return TRUE;
}
static gboolean nsgtk_window_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
struct gui_window *g = data;
gtk_widget_grab_focus(GTK_WIDGET(g->layout));
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. 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;
/* Record where we pressed, for use when determining whether to start
* a drag in motion notify events. */
g->last_x = event->x;
g->last_y = event->y;
browser_window_mouse_click(g->bw, g->mouse.state, g->mouse.pressed_x,
g->mouse.pressed_y);
return TRUE;
}
static 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_track(g->bw, 0, event->x / g->bw->scale,
event->y / g->bw->scale);
}
g->mouse.state = 0;
return TRUE;
}
static gboolean nsgtk_window_scroll_event(GtkWidget *widget,
GdkEventScroll *event, gpointer data)
{
struct gui_window *g = data;
double value;
GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
GtkAllocation alloc;
LOG(("%d", event->direction));
switch (event->direction) {
case GDK_SCROLL_LEFT:
if (browser_window_scroll_at_point(g->bw,
event->x / g->bw->scale,
event->y / g->bw->scale,
-100, 0) != true) {
/* core did not handle event do horizontal scroll */
value = gtk_adjustment_get_value(hscroll) -
(nsgtk_adjustment_get_step_increment(hscroll) *2);
if (value < nsgtk_adjustment_get_lower(hscroll)) {
value = nsgtk_adjustment_get_lower(hscroll);
}
gtk_adjustment_set_value(hscroll, value);
}
break;
case GDK_SCROLL_UP:
if (browser_window_scroll_at_point(g->bw,
event->x / g->bw->scale,
event->y / g->bw->scale,
0, -100) != true) {
/* core did not handle event change vertical
* adjustment.
*/
value = gtk_adjustment_get_value(vscroll) -
(nsgtk_adjustment_get_step_increment(vscroll) * 2);
if (value < nsgtk_adjustment_get_lower(vscroll)) {
value = nsgtk_adjustment_get_lower(vscroll);
}
gtk_adjustment_set_value(vscroll, value);
}
break;
case GDK_SCROLL_RIGHT:
if (browser_window_scroll_at_point(g->bw,
event->x / g->bw->scale,
event->y / g->bw->scale,
100, 0) != true) {
/* core did not handle event change horizontal
* adjustment.
*/
value = gtk_adjustment_get_value(hscroll) +
(nsgtk_adjustment_get_step_increment(hscroll) * 2);
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width) {
value = nsgtk_adjustment_get_upper(hscroll) -
alloc.width;
}
gtk_adjustment_set_value(hscroll, value);
}
break;
case GDK_SCROLL_DOWN:
if (browser_window_scroll_at_point(g->bw,
event->x / g->bw->scale,
event->y / g->bw->scale,
0, 100) != true) {
/* core did not handle event change vertical
* adjustment.
*/
value = gtk_adjustment_get_value(vscroll) +
(nsgtk_adjustment_get_step_increment(vscroll) * 2);
/* @todo consider gtk_widget_get_allocated_height */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height) {
value = nsgtk_adjustment_get_upper(vscroll) -
alloc.height;
}
gtk_adjustment_set_value(vscroll, value);
}
break;
default:
break;
}
return TRUE;
}
static 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 & 0x7) != 0)
return TRUE;
double value;
GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
GtkAllocation alloc;
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
switch (event->keyval) {
case GDK_KEY(Home):
case GDK_KEY(KP_Home):
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(End):
case GDK_KEY(KP_End):
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Left):
case GDK_KEY(KP_Left):
value = gtk_adjustment_get_value(hscroll) -
nsgtk_adjustment_get_step_increment(hscroll);
if (value < nsgtk_adjustment_get_lower(hscroll))
value = nsgtk_adjustment_get_lower(hscroll);
gtk_adjustment_set_value(hscroll, value);
break;
case GDK_KEY(Up):
case GDK_KEY(KP_Up):
value = gtk_adjustment_get_value(vscroll) -
nsgtk_adjustment_get_step_increment(vscroll);
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Right):
case GDK_KEY(KP_Right):
value = gtk_adjustment_get_value(hscroll) +
nsgtk_adjustment_get_step_increment(hscroll);
if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width)
value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;
gtk_adjustment_set_value(hscroll, value);
break;
case GDK_KEY(Down):
case GDK_KEY(KP_Down):
value = gtk_adjustment_get_value(vscroll) +
nsgtk_adjustment_get_step_increment(vscroll);
if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Page_Up):
case GDK_KEY(KP_Page_Up):
value = gtk_adjustment_get_value(vscroll) -
nsgtk_adjustment_get_page_increment(vscroll);
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Page_Down):
case GDK_KEY(KP_Page_Down):
value = gtk_adjustment_get_value(vscroll) +
nsgtk_adjustment_get_page_increment(vscroll);
if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
gtk_adjustment_set_value(vscroll, value);
break;
default:
break;
}
return TRUE;
}
static 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;
if (g->paned != NULL) {
/* Set status bar / scroll bar proportion according to
* option_toolbar_status_width */
/* TODO: Probably want to detect when the user adjusts the
* status bar width, remember that proportion for the
* window, and use that here. */
gtk_paned_set_position(g->paned,
(nsoption_int(toolbar_status_width) *
allocation->width) / 10000);
}
return TRUE;
}
/* Core interface docuemnted in desktop/gui.h to 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 */
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->paned = NULL;
g->mouse.state = 0;
g->current_pointer = GUI_POINTER_DEFAULT;
if (clone != NULL) {
bw->scale = clone->scale;
} else {
bw->scale = (float) nsoption_int(scale) / 100.0;
}
g->careth = 0;
if (new_tab) {
assert(clone != NULL);
g->scaffold = clone->window->scaffold;
} else {
/* Now construct and attach a scaffold */
g->scaffold = nsgtk_new_scaffolding(g);
}
if (g->scaffold == NULL) {
warn_user("NoMemory", 0);
free(g);
return NULL;
}
/* Construct our primary elements */
/* top-level document (not a frame) => create a new tab */
GError* error = NULL;
GtkBuilder* xml = gtk_builder_new();
if (!gtk_builder_add_from_file(xml,
glade_file_location->tabcontents,
&error)) {
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free(error);
return 0;
}
g->layout = GTK_LAYOUT(gtk_builder_get_object(xml, "layout"));
g->status_bar = GTK_LABEL(gtk_builder_get_object(xml, "status_bar"));
g->paned = GTK_PANED(gtk_builder_get_object(xml, "hpaned1"));
/* connect the scrollbars to the layout widget */
nsgtk_layout_set_hadjustment(g->layout,
gtk_range_get_adjustment(GTK_RANGE(
gtk_builder_get_object(xml, "hscrollbar"))));
nsgtk_layout_set_vadjustment(g->layout,
gtk_range_get_adjustment(GTK_RANGE(
gtk_builder_get_object(xml, "vscrollbar"))));
/* add the tab to the scaffold */
bool tempback = true;
switch (temp_open_background) {
case -1:
tempback = !(nsoption_bool(focus_new));
break;
case 0:
tempback = false;
break;
case 1:
tempback = true;
break;
}
GtkWidget *tab_contents = GTK_WIDGET(gtk_builder_get_object(xml, "tabContents"));
g_object_set_data(G_OBJECT(tab_contents), "gui_window", g);
nsgtk_tab_add(g, tab_contents, tempback);
g_object_unref(xml);
/* Attach ourselves to the list (push_top) */
if (window_list)
window_list->prev = g;
g->next = window_list;
g->prev = NULL;
window_list = g;
/* set the events we're interested in receiving from the browser's
* drawing area.
*/
gtk_widget_add_events(GTK_WIDGET(g->layout),
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 |
GDK_SCROLL_MASK);
nsgtk_widget_set_can_focus(GTK_WIDGET(g->layout), TRUE);
/* set the default background colour of the drawing area to white. */
nsgtk_widget_override_background_color(GTK_WIDGET(g->layout),
GTK_STATE_NORMAL, 0, 0xffff, 0xffff, 0xffff);
nsgtk_connect_draw_event(GTK_WIDGET(g->layout), G_CALLBACK(nsgtk_window_draw_event), g);
#define CONNECT(obj, sig, callback, ptr) \
g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))
CONNECT(g->layout, "motion_notify_event",
nsgtk_window_motion_notify_event, g);
g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
CONNECT(g->layout, "button_press_event",
nsgtk_window_button_press_event, g);
CONNECT(g->layout, "button_release_event",
nsgtk_window_button_release_event, g);
CONNECT(g->layout, "key_press_event",
nsgtk_window_keypress_event, g);
CONNECT(g->layout, "size_allocate",
nsgtk_window_size_allocate_event, g);
CONNECT(g->layout, "scroll_event",
nsgtk_window_scroll_event, g);
return g;
}
void nsgtk_reflow_all_windows(void)
{
for (struct gui_window *g = window_list; g; g = g->next) {
nsgtk_tab_options_changed(
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;
GtkAllocation alloc;
browser_reformat_pending = false;
for (g = window_list; g; g = g->next) {
if (!g->bw->reformat_pending)
continue;
g->bw->reformat_pending = false;
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
browser_window_reformat(g->bw, false, alloc.width, alloc.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));
/* tab => remove tab */
gtk_widget_destroy(gtk_widget_get_parent(GTK_WIDGET(g->layout)));
}
/**
* set favicon
*/
void gui_window_set_icon(struct gui_window *gw, hlcache_handle *icon)
{
struct bitmap *icon_bitmap = NULL;
/* free any existing icon */
if (gw->icon != NULL) {
g_object_unref(gw->icon);
gw->icon = NULL;
}
if (icon != NULL) {
icon_bitmap = content_get_bitmap(icon);
if (icon_bitmap != NULL) {
LOG(("Using %p bitmap", icon_bitmap));
gw->icon = nsgdk_pixbuf_get_from_surface(icon_bitmap->surface, 16, 16);
}
}
if (gw->icon == NULL) {
LOG(("Using default favicon"));
g_object_ref(favicon_pixbuf);
gw->icon = favicon_pixbuf;
}
nsgtk_scaffolding_set_icon(gw);
}
static void nsgtk_redraw_caret(struct gui_window *g)
{
int sx, sy;
if (g->careth == 0)
return;
gui_window_get_scroll(g, &sx, &sy);
gtk_widget_queue_draw_area(GTK_WIDGET(g->layout),
g->caretx - sx, g->carety - sy, 1, g->careth + 1);
}
/**
* change behaviour of scaffoldings while editing toolbar; all buttons as
* well as window clicks are desensitized; then buttons in the front window
* are changed to movable buttons
*/
void nsgtk_toolbar_customization_init(nsgtk_scaffolding *g)
{
int i;
nsgtk_scaffolding *list = scaf_list;
edit_mode = true;
while (list) {
g_signal_handler_block(GTK_WIDGET(
nsgtk_window_get_layout(
nsgtk_scaffolding_top_level(list))),
nsgtk_window_get_signalhandler(
nsgtk_scaffolding_top_level(list),
NSGTK_WINDOW_SIGNAL_CLICK));
g_signal_handler_block(GTK_WIDGET(
nsgtk_window_get_layout(
nsgtk_scaffolding_top_level(list))),
nsgtk_window_get_signalhandler(
nsgtk_scaffolding_top_level(list),
NSGTK_WINDOW_SIGNAL_REDRAW));
nsgtk_widget_override_background_color(
GTK_WIDGET(nsgtk_window_get_layout(
nsgtk_scaffolding_top_level(list))),
GTK_STATE_NORMAL, 0, 0xEEEE, 0xEEEE, 0xEEEE);
if (list == g) {
list = nsgtk_scaffolding_iterate(list);
continue;
}
/* set sensitive for all gui_windows save g */
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_scaffolding_window(
list)), FALSE);
list = nsgtk_scaffolding_iterate(list);
}
/* set sensitive for all of g save toolbar */
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_scaffolding_menu_bar(g)),
FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_scaffolding_notebook(g)),
FALSE);
/* set editable aspect for toolbar */
gtk_container_foreach(GTK_CONTAINER(nsgtk_scaffolding_toolbar(g)),
nsgtk_toolbar_clear_toolbar, g);
nsgtk_toolbar_set_physical(g);
/* memorize button locations, set editable */
for (i = BACK_BUTTON; i < PLACEHOLDER_BUTTON; i++) {
window->buttonlocations[i] = nsgtk_scaffolding_button(g, i)
->location;
if ((window->buttonlocations[i] == -1) || (i == URL_BAR_ITEM))
continue;
gtk_tool_item_set_use_drag_window(GTK_TOOL_ITEM(
nsgtk_scaffolding_button(g, i)->button), TRUE);
gtk_drag_source_set(GTK_WIDGET(nsgtk_scaffolding_button(
g, i)->button), GDK_BUTTON1_MASK, &entry, 1,
GDK_ACTION_COPY);
nsgtk_toolbar_temp_connect(g, i);
}
/* add move button listeners */
g_signal_connect(GTK_WIDGET(nsgtk_scaffolding_toolbar(g)),
"drag-drop", G_CALLBACK(nsgtk_toolbar_data), g);
g_signal_connect(GTK_WIDGET(nsgtk_scaffolding_toolbar(g)),
"drag-data-received", G_CALLBACK(
nsgtk_toolbar_move_complete), g);
g_signal_connect(GTK_WIDGET(nsgtk_scaffolding_toolbar(g)),
"drag-motion", G_CALLBACK(nsgtk_toolbar_action), g);
g_signal_connect(GTK_WIDGET(nsgtk_scaffolding_toolbar(g)),
"drag-leave", G_CALLBACK(
nsgtk_toolbar_clear), g);
/* set data types */
gtk_drag_dest_set(GTK_WIDGET(nsgtk_scaffolding_toolbar(g)),
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
&entry, 1, GDK_ACTION_COPY);
/* open toolbar window */
nsgtk_toolbar_window_open(g);
}
static gboolean
nsgtk_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
struct gui_window *gw = data;
struct gui_window *z;
struct rect clip;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
double x1;
double y1;
double x2;
double y2;
assert(gw);
assert(gw->bw);
for (z = window_list; z && z != gw; z = z->next)
continue;
assert(z);
assert(GTK_WIDGET(gw->layout) == widget);
current_widget = (GtkWidget *)gw->layout;
current_cr = cr;
GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(gw->layout);
GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(gw->layout);
cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
clip.x0 = x1;
clip.y0 = y1;
clip.x1 = x2;
clip.y1 = y2;
browser_window_redraw(gw->bw,
-gtk_adjustment_get_value(hscroll),
-gtk_adjustment_get_value(vscroll),
&clip,
&ctx);
if (gw->careth != 0) {
nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
}
current_widget = NULL;
return FALSE;
}
#else
static gboolean
nsgtk_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct gui_window *gw = data;
struct gui_window *z;
struct rect clip;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
assert(gw);
assert(gw->bw);
for (z = window_list; z && z != gw; z = z->next)
continue;
assert(z);
assert(GTK_WIDGET(gw->layout) == widget);
current_widget = (GtkWidget *)gw->layout;
current_cr = gdk_cairo_create(nsgtk_layout_get_bin_window(gw->layout));
clip.x0 = event->area.x;
clip.y0 = event->area.y;
clip.x1 = event->area.x + event->area.width;
clip.y1 = event->area.y + event->area.height;
browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);
if (gw->careth != 0) {
nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
}
cairo_destroy(current_cr);
current_widget = NULL;
return FALSE;
}
#endif
static 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)) {
/* Mouse hasn't moved far enough from press coordinate for this
* to be considered a drag. */
return FALSE;
} else {
/* This is a drag, ensure it's always treated as such, even if
* we drag back over the press location */
g->last_x = INT_MIN;
g->last_y = INT_MIN;
}
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 / browser_window_get_scale(g->bw),
event->y / browser_window_get_scale(g->bw));
return TRUE;
}
static gboolean nsgtk_window_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer data)
{
struct gui_window *g = data;
gtk_widget_grab_focus(GTK_WIDGET(g->layout));
gtk_widget_hide(GTK_WIDGET(nsgtk_scaffolding_history_window(
g->scaffold)->window));
g->mouse.pressed_x = event->x / browser_window_get_scale(g->bw);
g->mouse.pressed_y = event->y / browser_window_get_scale(g->bw);
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. Action button, context menu. */
browser_window_remove_caret(g->bw, true);
nsgtk_scaffolding_popup_menu(g->scaffold, g->mouse.pressed_x,
g->mouse.pressed_y);
return TRUE;
default:
return FALSE;
}
/* Modify for double & triple clicks */
if (event->type == GDK_3BUTTON_PRESS)
g->mouse.state |= BROWSER_MOUSE_TRIPLE_CLICK;
else if (event->type == GDK_2BUTTON_PRESS)
g->mouse.state |= BROWSER_MOUSE_DOUBLE_CLICK;
/* 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;
/* Record where we pressed, for use when determining whether to start
* a drag in motion notify events. */
g->last_x = event->x;
g->last_y = event->y;
browser_window_mouse_click(g->bw, g->mouse.state, g->mouse.pressed_x,
g->mouse.pressed_y);
return TRUE;
}
static 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 / browser_window_get_scale(g->bw),
event->y / browser_window_get_scale(g->bw));
} else {
browser_window_mouse_track(g->bw, 0,
event->x / browser_window_get_scale(g->bw),
event->y / browser_window_get_scale(g->bw));
}
g->mouse.state = 0;
return TRUE;
}
static gboolean
nsgtk_window_scroll_event(GtkWidget *widget,
GdkEventScroll *event,
gpointer data)
{
struct gui_window *g = data;
double value;
double deltax = 0;
double deltay = 0;
GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
GtkAllocation alloc;
switch (event->direction) {
case GDK_SCROLL_LEFT:
deltax = -1.0;
break;
case GDK_SCROLL_UP:
deltay = -1.0;
break;
case GDK_SCROLL_RIGHT:
deltax = 1.0;
break;
case GDK_SCROLL_DOWN:
deltay = 1.0;
break;
#if GTK_CHECK_VERSION(3,4,0)
case GDK_SCROLL_SMOOTH:
gdk_event_get_scroll_deltas((GdkEvent *)event, &deltax, &deltay);
break;
#endif
default:
LOG(("Unhandled mouse scroll direction"));
return TRUE;
}
deltax *= nsgtk_adjustment_get_step_increment(hscroll);
deltay *= nsgtk_adjustment_get_step_increment(vscroll);
if (browser_window_scroll_at_point(g->bw,
event->x / browser_window_get_scale(g->bw),
event->y / browser_window_get_scale(g->bw),
deltax, deltay) != true) {
/* core did not handle event so change adjustments */
/* Horizontal */
if (deltax != 0) {
value = gtk_adjustment_get_value(hscroll) + deltax;
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width) {
value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;
}
if (value < nsgtk_adjustment_get_lower(hscroll)) {
value = nsgtk_adjustment_get_lower(hscroll);
}
gtk_adjustment_set_value(hscroll, value);
}
/* Vertical */
if (deltay != 0) {
value = gtk_adjustment_get_value(vscroll) + deltay;
/* @todo consider gtk_widget_get_allocated_height */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
if (value > (nsgtk_adjustment_get_upper(vscroll) - alloc.height)) {
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
}
if (value < nsgtk_adjustment_get_lower(vscroll)) {
value = nsgtk_adjustment_get_lower(vscroll);
}
gtk_adjustment_set_value(vscroll, value);
}
}
return TRUE;
}
static 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 & 0x7) != 0)
return TRUE;
double value;
GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
GtkAllocation alloc;
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
switch (event->keyval) {
case GDK_KEY(Home):
case GDK_KEY(KP_Home):
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(End):
case GDK_KEY(KP_End):
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Left):
case GDK_KEY(KP_Left):
value = gtk_adjustment_get_value(hscroll) -
nsgtk_adjustment_get_step_increment(hscroll);
if (value < nsgtk_adjustment_get_lower(hscroll))
value = nsgtk_adjustment_get_lower(hscroll);
gtk_adjustment_set_value(hscroll, value);
break;
case GDK_KEY(Up):
case GDK_KEY(KP_Up):
value = gtk_adjustment_get_value(vscroll) -
nsgtk_adjustment_get_step_increment(vscroll);
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Right):
case GDK_KEY(KP_Right):
value = gtk_adjustment_get_value(hscroll) +
nsgtk_adjustment_get_step_increment(hscroll);
if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width)
value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;
gtk_adjustment_set_value(hscroll, value);
break;
case GDK_KEY(Down):
case GDK_KEY(KP_Down):
value = gtk_adjustment_get_value(vscroll) +
nsgtk_adjustment_get_step_increment(vscroll);
if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Page_Up):
case GDK_KEY(KP_Page_Up):
value = gtk_adjustment_get_value(vscroll) -
nsgtk_adjustment_get_page_increment(vscroll);
if (value < nsgtk_adjustment_get_lower(vscroll))
value = nsgtk_adjustment_get_lower(vscroll);
gtk_adjustment_set_value(vscroll, value);
break;
case GDK_KEY(Page_Down):
case GDK_KEY(KP_Page_Down):
value = gtk_adjustment_get_value(vscroll) +
nsgtk_adjustment_get_page_increment(vscroll);
if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
gtk_adjustment_set_value(vscroll, value);
break;
default:
break;
}
return TRUE;
}
static 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;
}
/** when the pane position is changed update the user option
*
* The slightly awkward implementation with the first allocation flag
* is necessary because the initial window creation does not cause an
* allocate-event signal so the position value in the pane is incorrect
* and we cannot know what it should be until after the allocation
* (which did not generate a signal) is done as the user position is a
* percentage of pane total width not an absolute value.
*/
static void
nsgtk_paned_notify__position(GObject *gobject, GParamSpec *pspec, gpointer data)
{
struct gui_window *g = data;
GtkAllocation pane_alloc;
gtk_widget_get_allocation(GTK_WIDGET(g->paned), &pane_alloc);
if (g->paned_sized == false)
{
g->paned_sized = true;
gtk_paned_set_position(g->paned,
(nsoption_int(toolbar_status_size) * pane_alloc.width) / 10000);
return;
}
nsoption_set_int(toolbar_status_size,
((gtk_paned_get_position(g->paned) * 10000) / (pane_alloc.width - 1)));
}
/** Set status bar / scroll bar proportion according to user option
* when pane is resized.
*/
static gboolean nsgtk_paned_size_allocate_event(GtkWidget *widget,
GtkAllocation *allocation, gpointer data)
{
gtk_paned_set_position(GTK_PANED(widget),
(nsoption_int(toolbar_status_size) * allocation->width) / 10000);
return TRUE;
}
/* destroy the browsing context as there is nothing to display it now */
static void window_destroy(GtkWidget *widget, gpointer data)
{
struct gui_window *gw = data;
browser_window_destroy(gw->bw);
}
/* Core interface documented in desktop/gui.h to create a gui_window */
static struct gui_window *
gui_window_create(struct browser_window *bw,
struct gui_window *existing,
gui_window_create_flags flags)
{
struct gui_window *g; /**< what we're creating to return */
GError* error = NULL;
bool tempback;
GtkBuilder* xml;
/* open builder file first to ease error handling on faliure */
xml = gtk_builder_new();
if (!gtk_builder_add_from_file(xml,
glade_file_location->tabcontents,
&error)) {
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free(error);
return NULL;
}
g = calloc(1, sizeof(*g));
if (!g) {
warn_user("NoMemory", 0);
g_object_unref(xml);
return NULL;
}
LOG(("Creating gui window %p for browser window %p", g, bw));
g->bw = bw;
g->mouse.state = 0;
g->current_pointer = GUI_POINTER_DEFAULT;
if (flags & GW_CREATE_CLONE) {
assert(existing != NULL);
bw->scale = existing->bw->scale;
} else {
bw->scale = nsoption_int(scale) / 100;
}
/* attach scaffold */
if (flags & GW_CREATE_TAB) {
assert(existing != NULL);
g->scaffold = existing->scaffold;
} else {
/* Now construct and attach a scaffold */
g->scaffold = nsgtk_new_scaffolding(g);
}
if (g->scaffold == NULL) {
warn_user("NoMemory", 0);
free(g);
g_object_unref(xml);
return NULL;
}
/* Construct our primary elements */
g->container = GTK_WIDGET(gtk_builder_get_object(xml, "tabContents"));
g->layout = GTK_LAYOUT(gtk_builder_get_object(xml, "layout"));
g->status_bar = GTK_LABEL(gtk_builder_get_object(xml, "status_bar"));
g->paned = GTK_PANED(gtk_builder_get_object(xml, "hpaned1"));
/* add new gui window to global list (push_top) */
if (window_list) {
window_list->prev = g;
}
g->next = window_list;
g->prev = NULL;
window_list = g;
/* set the events we're interested in receiving from the browser's
* drawing area.
*/
gtk_widget_add_events(GTK_WIDGET(g->layout),
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 |
GDK_SCROLL_MASK);
nsgtk_widget_set_can_focus(GTK_WIDGET(g->layout), TRUE);
/* set the default background colour of the drawing area to white. */
nsgtk_widget_override_background_color(GTK_WIDGET(g->layout),
GTK_STATE_NORMAL,
0, 0xffff, 0xffff, 0xffff);
nsgtk_connect_draw_event(GTK_WIDGET(g->layout),
G_CALLBACK(nsgtk_window_draw_event), g);
/* layout signals */
CONNECT(g->layout, "motion-notify-event",
nsgtk_window_motion_notify_event, g);
g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
CONNECT(g->layout, "button-press-event",
nsgtk_window_button_press_event, g);
CONNECT(g->layout, "button-release-event",
nsgtk_window_button_release_event, g);
CONNECT(g->layout, "key-press-event",
nsgtk_window_keypress_event, g);
CONNECT(g->layout, "size-allocate",
nsgtk_window_size_allocate_event, g);
CONNECT(g->layout, "scroll-event",
nsgtk_window_scroll_event, g);
/* status pane signals */
CONNECT(g->paned, "size-allocate",
nsgtk_paned_size_allocate_event, g);
CONNECT(g->paned, "notify::position",
nsgtk_paned_notify__position, g);
/* gtk container destructor */
CONNECT(g->container, "destroy",
window_destroy, g);
/* add the tab container to the scaffold notebook */
switch (temp_open_background) {
case -1:
tempback = !(nsoption_bool(focus_new));
break;
case 0:
tempback = false;
break;
default:
tempback = true;
break;
}
nsgtk_tab_add(g, g->container, tempback);
/* safe to drop the reference to the xml as the container is
* referenced by the notebook now.
*/
g_object_unref(xml);
return g;
}
void nsgtk_reflow_all_windows(void)
{
for (struct gui_window *g = window_list; g; g = g->next) {
nsgtk_tab_options_changed(
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;
GtkAllocation alloc;
browser_reformat_pending = false;
for (g = window_list; g; g = g->next) {
if (!g->bw->reformat_pending)
continue;
g->bw->reformat_pending = false;
/* @todo consider gtk_widget_get_allocated_width() */
nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);
browser_window_reformat(g->bw, false, alloc.width, alloc.height);
}
}
void nsgtk_window_destroy_browser(struct gui_window *gw)
{
/* remove tab */
gtk_widget_destroy(gw->container);
}