[epiphany] Adapt to latest changes in the GTK+ drawing model

[Xan Lopez <xan src gnome org>]

commit 2d556b740f1b21dd3b5652271de6194df0d48ac5
Author: Xan Lopez <xan gnome org>
Date:   Tue Oct 5 14:04:29 2010 +0900

    Adapt to latest changes in the GTK+ drawing model
    
    Mostly moving from ::expose-event to ::draw, and adapting to the
    changes in the paint functions.

 embed/ephy-web-view.c             |   20 ++++++++---------
 lib/widgets/ephy-location-entry.c |   42 +++++++++++++++++-------------------
 lib/widgets/ephy-spinner.c        |   18 +++------------
 3 files changed, 33 insertions(+), 47 deletions(-)
---
diff --git a/embed/ephy-web-view.c b/embed/ephy-web-view.c
index d92b273..ba2f48f 100644
--- a/embed/ephy-web-view.c
+++ b/embed/ephy-web-view.c
@@ -1139,13 +1139,12 @@ ephy_web_view_constructed (GObject *object)
 }
 
 static void
-_ephy_web_view_draw_statusbar(GtkWidget *widget)
+_ephy_web_view_draw_statusbar (GtkWidget *widget, cairo_t *cr)
 {
   gint width, height;
   guint border_width, statusbar_border_width;
   PangoLayout *layout;
   GtkAllocation allocation;
-  GdkWindow *window;
   GtkStyle *style;
   EphyWebViewPrivate *priv;
 
@@ -1161,7 +1160,6 @@ _ephy_web_view_draw_statusbar(GtkWidget *widget)
 
   border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
 
-  window = gtk_widget_get_window (widget);
   style = gtk_widget_get_style (widget);
 
   statusbar_border_width = 4; /* FIXME: what should we use here? */
@@ -1171,17 +1169,17 @@ _ephy_web_view_draw_statusbar(GtkWidget *widget)
   priv->text_rectangle.width = width + (statusbar_border_width * 2);
   priv->text_rectangle.height = height + (statusbar_border_width * 2);
 
-  gtk_paint_box (style, window,
+  gtk_paint_box (style, cr,
                  GTK_STATE_NORMAL, GTK_SHADOW_IN,
-                 NULL, widget, NULL,
+                 widget, NULL,
                  priv->text_rectangle.x,
                  priv->text_rectangle.y,
                  priv->text_rectangle.width,
                  priv->text_rectangle.height);
 
-  gtk_paint_layout (style, window,
+  gtk_paint_layout (style, cr,
                     GTK_STATE_NORMAL, FALSE,
-                    NULL, widget, NULL,
+                    widget, NULL,
                     priv->text_rectangle.x + statusbar_border_width,
                     priv->text_rectangle.y + statusbar_border_width,
                     layout);
@@ -1190,16 +1188,16 @@ _ephy_web_view_draw_statusbar(GtkWidget *widget)
 }
 
 static gboolean
-ephy_web_view_expose_event (GtkWidget *widget, GdkEventExpose *event)
+ephy_web_view_draw (GtkWidget *widget, cairo_t *cr)
 {
   EphyWebViewPrivate *priv;
 
-  GTK_WIDGET_CLASS (ephy_web_view_parent_class)->expose_event (widget, event);
+  GTK_WIDGET_CLASS (ephy_web_view_parent_class)->draw (widget, cr);
 
   priv = EPHY_WEB_VIEW (widget)->priv;
 
   if (priv->text && priv->text[0] != '\0')
-    _ephy_web_view_draw_statusbar (widget);
+    _ephy_web_view_draw_statusbar (widget, cr);
 
   return FALSE;
 }
@@ -1218,7 +1216,7 @@ ephy_web_view_class_init (EphyWebViewClass *klass)
 
   widget_class->button_press_event = ephy_web_view_button_press_event;
   widget_class->key_press_event = ephy_web_view_key_press_event;
-  widget_class->expose_event = ephy_web_view_expose_event;
+  widget_class->draw = ephy_web_view_draw;
 
 /**
  * EphyWebView:address:
diff --git a/lib/widgets/ephy-location-entry.c b/lib/widgets/ephy-location-entry.c
index f1028b5..1ac9180 100644
--- a/lib/widgets/ephy-location-entry.c
+++ b/lib/widgets/ephy-location-entry.c
@@ -738,19 +738,19 @@ each_url_get_data_binder (EphyDragEachSelectedItemDataGet iteratee,
 #define DRAG_ICON_ICON_PADDING		4
 #define DRAG_ICON_MAX_WIDTH_CHARS	32
 
-static GdkPixmap *
-favicon_create_drag_pixmap (EphyLocationEntry *entry,
-			    GtkWidget *widget)
+static cairo_surface_t *
+favicon_create_drag_surface (EphyLocationEntry *entry,
+			     GtkWidget *widget)
 {
 	EphyLocationEntryPrivate *priv = entry->priv;
 	char *title = NULL, *address = NULL;
 	GString *text;
 	GtkStyle *style;
-	GdkDrawable *drawable;
+	cairo_surface_t *surface;
 	PangoContext *context;
 	PangoLayout  *layout;
 	PangoFontMetrics *metrics;
-	int pixmap_height, pixmap_width;
+	int surface_height, surface_width;
 	int layout_width, layout_height;
 	int icon_width = 0, icon_height = 0, favicon_offset_x = 0;
 	int char_width;
@@ -806,18 +806,18 @@ favicon_create_drag_pixmap (EphyLocationEntry *entry,
 		favicon_offset_x = icon_width + (2 * DRAG_ICON_ICON_PADDING);
 	}
 
-	pixmap_width = layout_width + favicon_offset_x +
+	surface_width = layout_width + favicon_offset_x +
 			(DRAG_ICON_LAYOUT_PADDING * 2);
-	pixmap_height = MAX (layout_height, icon_height) +
+	surface_height = MAX (layout_height, icon_height) +
 			(DRAG_ICON_LAYOUT_PADDING * 2);
 
-	drawable = gdk_pixmap_new (gtk_widget_get_window (widget),
-				   pixmap_width + 2,
-				   pixmap_height + 2,
-				   -1);
-	cr = gdk_cairo_create (drawable);
+	surface = gdk_window_create_similar_surface (gtk_widget_get_window (widget),
+						     CAIRO_CONTENT_COLOR,
+						     surface_width + 2,
+						     surface_height + 2);
+	cr = cairo_create (surface);
 
-	cairo_rectangle (cr, 1, 1, pixmap_width, pixmap_height);
+	cairo_rectangle (cr, 1, 1, surface_width, surface_height);
 	cairo_set_line_width (cr, 1.0);
 
 	cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
@@ -832,7 +832,7 @@ favicon_create_drag_pixmap (EphyLocationEntry *entry,
 		double y;
 
 		x = 1 + DRAG_ICON_LAYOUT_PADDING + DRAG_ICON_ICON_PADDING;
-		y = 1 + DRAG_ICON_LAYOUT_PADDING + (pixmap_height - icon_height) / 2;
+		y = 1 + DRAG_ICON_LAYOUT_PADDING + (surface_height - icon_height) / 2;
 		gdk_cairo_set_source_pixbuf (cr, priv->favicon, x, y);
 		cairo_rectangle (cr, x, y, icon_width, icon_height);
 		cairo_fill (cr);
@@ -851,7 +851,7 @@ favicon_create_drag_pixmap (EphyLocationEntry *entry,
 	g_free (title);
 	g_string_free (text, TRUE);
 
-	return drawable;
+	return surface;
 }
 
 static void
@@ -859,7 +859,7 @@ favicon_drag_begin_cb (GtkWidget *widget,
 		       GdkDragContext *context,
 		       EphyLocationEntry *lentry)
 {
-	GdkPixmap *pixmap;
+	cairo_surface_t *surface;
 	GtkEntry *entry;
 	gint index;
 
@@ -869,14 +869,12 @@ favicon_drag_begin_cb (GtkWidget *widget,
 	if (index != GTK_ENTRY_ICON_PRIMARY)
 		return;
 
-	pixmap = favicon_create_drag_pixmap (lentry, widget);
+	surface = favicon_create_drag_surface (lentry, widget);
 
-	if (pixmap != NULL)
+	if (surface != NULL)
 	{
-		gtk_drag_set_icon_pixmap (context,
-					  gdk_drawable_get_colormap (pixmap),
-					  pixmap, NULL, -2, -2);
-		g_object_unref (pixmap);
+		gtk_drag_set_icon_surface (context, surface);
+		cairo_surface_destroy (surface);
 	}
 }
 
diff --git a/lib/widgets/ephy-spinner.c b/lib/widgets/ephy-spinner.c
index cec0dea..3b610a1 100644
--- a/lib/widgets/ephy-spinner.c
+++ b/lib/widgets/ephy-spinner.c
@@ -616,16 +616,15 @@ ephy_spinner_init (EphySpinner *spinner)
 	details->need_load = TRUE;
 }
 
-static int
-ephy_spinner_expose (GtkWidget *widget,
-		     GdkEventExpose *event)
+static gboolean
+ephy_spinner_draw (GtkWidget *widget,
+                   cairo_t *cr)
 {
 	EphySpinner *spinner = EPHY_SPINNER (widget);
 	EphySpinnerDetails *details = spinner->details;
 	EphySpinnerImages *images;
 	GtkAllocation allocation;
 	GdkPixbuf *pixbuf;
-	cairo_t *cr;
 	int x_offset, y_offset, width, height;
 	GdkRectangle pix_area, dest;
 
@@ -669,18 +668,9 @@ ephy_spinner_expose (GtkWidget *widget,
 	pix_area.width = width;
 	pix_area.height = height;
 
-	if (!gdk_rectangle_intersect (&event->area, &pix_area, &dest))
-	{
-		return FALSE;
-	}
-
-	cr = gdk_cairo_create (gtk_widget_get_window (widget));
-
 	gdk_cairo_set_source_pixbuf (cr, pixbuf, dest.x, dest.y);
 	cairo_paint (cr);
 
-	cairo_destroy (cr);
-
 	return FALSE;
 }
 
@@ -876,7 +866,7 @@ ephy_spinner_class_init (EphySpinnerClass *class)
 	object_class->dispose = ephy_spinner_dispose;
 	object_class->finalize = ephy_spinner_finalize;
 
-	widget_class->expose_event = ephy_spinner_expose;
+	widget_class->draw = ephy_spinner_draw;
 	widget_class->size_request = ephy_spinner_size_request;
 	widget_class->map = ephy_spinner_map;
 	widget_class->unmap = ephy_spinner_unmap;