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Send a synthetic expose event to snapshot views

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This commit is contained in:
Christian Dywan 2009-05-21 18:23:27 +02:00
parent a0e9444e97
commit 7087a0d25f
1 changed files with 57 additions and 18 deletions
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71
midori/midori-browser.c
View file

@ -398,6 +398,48 @@ midori_view_notify_icon_cb (MidoriView* view,
MIDORI_LOCATION_ACTION (action), midori_view_get_icon (view), uri);
}
static GdkPixbuf*
midori_view_get_snapshot (MidoriView* view)
{
GtkWidget* web_view;
GdkRectangle rect;
GdkPixmap* pixmap;
GdkEvent event;
gboolean result;
GdkColormap* colormap;
GdkPixbuf* pixbuf;
g_return_val_if_fail (MIDORI_IS_VIEW (view), NULL);
web_view = gtk_bin_get_child (GTK_BIN (view));
g_return_val_if_fail (web_view->window, NULL);
rect.x = web_view->allocation.x;
rect.y = web_view->allocation.y;
rect.width = web_view->allocation.width;
rect.height = web_view->allocation.height;
pixmap = gdk_pixmap_new (web_view->window,
web_view->allocation.width, web_view->allocation.height,
gdk_drawable_get_depth (web_view->window));
event.expose.type = GDK_EXPOSE;
event.expose.window = pixmap;
event.expose.send_event = FALSE;
event.expose.count = 0;
event.expose.area.x = 0;
event.expose.area.y = 0;
gdk_drawable_get_size (GDK_DRAWABLE (web_view->window),
&event.expose.area.width, &event.expose.area.height);
event.expose.region = gdk_region_rectangle (&event.expose.area);
g_signal_emit_by_name (web_view, "expose-event", &event, &result);
colormap = gdk_drawable_get_colormap (pixmap);
pixbuf = gdk_pixbuf_get_from_drawable (NULL, pixmap, colormap, 0, 0,
0, 0, rect.width, rect.height);
g_object_unref (pixmap);
return pixbuf;
}
static void
midori_browser_update_thumbnail (GtkWidget* view,
const gchar* uri)
@ -408,15 +450,9 @@ midori_browser_update_thumbnail (GtkWidget* view,
if (midori_view_get_load_status (MIDORI_VIEW (view)) != MIDORI_LOAD_FINISHED)
return;
/* gtk_widget_get_snapshot works only with visible widgets */
if (!GTK_WIDGET_DRAWABLE (view))
return;
if ((child = gtk_bin_get_child (GTK_BIN (view))))
{
static gchar* folder = NULL;
GdkRectangle rect;
GdkPixmap* pixmap;
GdkPixbuf* pixbuf;
gchar* thumb;
gchar* filename;
@ -431,23 +467,26 @@ midori_browser_update_thumbnail (GtkWidget* view,
thumb = g_compute_checksum_for_string (G_CHECKSUM_MD5, uri, -1);
filename = g_build_filename (folder, thumb, NULL);
g_free (thumb);
/* FIXME: Regenerate if needed */
if (g_file_test (filename, G_FILE_TEST_EXISTS))
{
g_free (filename);
return;
}
rect.x = rect.y = -1;
rect.width = rect.height = 0;
pixmap = gtk_widget_get_snapshot (child, &rect);
pixbuf = gdk_pixbuf_get_from_drawable (NULL, pixmap, NULL, 0, 0,
0, 0, rect.width, rect.height);
g_object_unref (pixmap);
gdk_pixbuf_save (pixbuf, filename, "jpeg", NULL, "quality", "70", NULL);
pixbuf = midori_view_get_snapshot (MIDORI_VIEW (view));
if (pixbuf)
{
GError* error = NULL;
gdk_pixbuf_save (pixbuf, filename, "jpeg", &error, "quality", "70", NULL);
if (error != NULL)
{
g_error ("%s", error->message);
g_error_free (error);
}
g_free (filename);
if (pixbuf)
g_object_unref (pixbuf);
}
}
#endif
}