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resize-popup: use a tooltip style for the resize popup window

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- set GTK_STYLE_CLASS_TOOLTIP on the window, and use the same code of
  GtkTooltip to paint it
- set GDK_WINDOW_TYPE_HINT_TOOLTIP and make the window non-resizable, so
  it doesn't get an incorrect shadow from the WM

https://bugzilla.gnome.org/show_bug.cgi?id=692741
This commit is contained in:
Cosimo Cecchi 2013-01-28 16:47:47 -05:00
parent 34fc234fd7
commit 94e6e55ef7
1 changed files with 40 additions and 10 deletions
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50
src/ui/resizepopup.c
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@ -67,22 +67,52 @@ meta_ui_resize_popup_free (MetaResizePopup *popup)
g_free (popup);
}
static gboolean
size_window_draw (GtkWidget *widget,
cairo_t *cr,
MetaResizePopup *popup)
{
GtkStyleContext *context;
gint width, height;
context = gtk_widget_get_style_context (widget);
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
gtk_render_background (context, cr, 0, 0, width, height);
gtk_render_frame (context, cr, 0, 0, width, height);
return FALSE;
}
static void
ensure_size_window (MetaResizePopup *popup)
{
GdkVisual *visual;
GdkScreen *screen;
if (popup->size_window)
return;
popup->size_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_screen (GTK_WINDOW (popup->size_window),
gdk_display_get_screen (gdk_x11_lookup_xdisplay (popup->display),
popup->screen_number));
/* never shrink the size window */
gtk_window_set_resizable (GTK_WINDOW (popup->size_window),
TRUE);
popup->size_window = gtk_window_new (GTK_WINDOW_POPUP);
screen = gdk_display_get_screen (gdk_x11_lookup_xdisplay (popup->display),
popup->screen_number);
visual = gdk_screen_get_rgba_visual (screen);
gtk_window_set_screen (GTK_WINDOW (popup->size_window), screen);
if (visual != NULL)
gtk_widget_set_visual (popup->size_window, visual);
gtk_window_set_type_hint (GTK_WINDOW (popup->size_window),
GDK_WINDOW_TYPE_HINT_TOOLTIP);
gtk_window_set_resizable (GTK_WINDOW (popup->size_window), FALSE);
gtk_widget_set_app_paintable (popup->size_window, TRUE);
gtk_style_context_add_class (gtk_widget_get_style_context (popup->size_window),
GTK_STYLE_CLASS_TOOLTIP);
g_signal_connect (popup->size_window, "draw",
G_CALLBACK (size_window_draw), popup);
popup->size_label = gtk_label_new ("");
g_object_set (popup->size_label, "margin", 6, NULL);