[gtk+/rendering-cleanup: 54/141] API: Change cellrenderer->render vfunc to take a cairo_t



commit b612759dc0fd9eee9f358b3074e75173fa82dc36
Author: Benjamin Otte <otte redhat com>
Date:   Sat Aug 21 13:18:14 2010 +0200

    API: Change cellrenderer->render vfunc to take a cairo_t
    
    Also constify the rectangle arguments. They were const anyway.

 gtk/gtkcellrenderer.c         |   18 +++++----
 gtk/gtkcellrenderer.h         |    7 +--
 gtk/gtkcellrendererpixbuf.c   |   24 ++++-------
 gtk/gtkcellrendererprogress.c |   90 ++++++++++++++++++++++++-----------------
 gtk/gtkcellrendererspinner.c  |   52 ++++++++++-------------
 gtk/gtkcellrenderertext.c     |   49 ++++++++--------------
 gtk/gtkcellrenderertoggle.c   |   44 +++++++++----------
 7 files changed, 136 insertions(+), 148 deletions(-)
---
diff --git a/gtk/gtkcellrenderer.c b/gtk/gtkcellrenderer.c
index 865dd96..f029852 100644
--- a/gtk/gtkcellrenderer.c
+++ b/gtk/gtkcellrenderer.c
@@ -641,30 +641,32 @@ gtk_cell_renderer_render (GtkCellRenderer      *cell,
 {
   gboolean selected = FALSE;
   GtkCellRendererPrivate *priv = cell->priv;
+  cairo_t *cr;
 
   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
   g_return_if_fail (GTK_CELL_RENDERER_GET_CLASS (cell)->render != NULL);
 
   selected = (flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED;
 
+  cr = gdk_cairo_create (window);
+  gdk_cairo_rectangle (cr, expose_area);
+  cairo_clip (cr);
+
   if (priv->cell_background_set && !selected)
     {
-      cairo_t *cr = gdk_cairo_create (window);
-
       gdk_cairo_rectangle (cr, background_area);
       gdk_cairo_set_source_color (cr, &priv->cell_background);
       cairo_fill (cr);
-      
-      cairo_destroy (cr);
     }
 
   GTK_CELL_RENDERER_GET_CLASS (cell)->render (cell,
-					      window,
+                                              cr,
 					      widget,
-					      (GdkRectangle *) background_area,
-					      (GdkRectangle *) cell_area,
-					      (GdkRectangle *) expose_area,
+					      background_area,
+					      cell_area,
 					      flags);
+
+  cairo_destroy (cr);
 }
 
 /**
diff --git a/gtk/gtkcellrenderer.h b/gtk/gtkcellrenderer.h
index 837b7ae..94ce0c5 100644
--- a/gtk/gtkcellrenderer.h
+++ b/gtk/gtkcellrenderer.h
@@ -77,11 +77,10 @@ struct _GtkCellRendererClass
 				      gint                 *width,
 				      gint                 *height);
   void             (* render)        (GtkCellRenderer      *cell,
-				      GdkDrawable          *window,
+                                      cairo_t              *cr,
 				      GtkWidget            *widget,
-				      GdkRectangle         *background_area,
-				      GdkRectangle         *cell_area,
-				      GdkRectangle         *expose_area,
+				      const GdkRectangle   *background_area,
+				      const GdkRectangle   *cell_area,
 				      GtkCellRendererState  flags);
   gboolean         (* activate)      (GtkCellRenderer      *cell,
 				      GdkEvent             *event,
diff --git a/gtk/gtkcellrendererpixbuf.c b/gtk/gtkcellrendererpixbuf.c
index ce88b81..edd469e 100644
--- a/gtk/gtkcellrendererpixbuf.c
+++ b/gtk/gtkcellrendererpixbuf.c
@@ -45,11 +45,10 @@ static void gtk_cell_renderer_pixbuf_get_size   (GtkCellRenderer            *cel
 						 gint                       *width,
 						 gint                       *height);
 static void gtk_cell_renderer_pixbuf_render     (GtkCellRenderer            *cell,
-						 GdkDrawable                *window,
+						 cairo_t                    *cr,
 						 GtkWidget                  *widget,
-						 GdkRectangle               *background_area,
-						 GdkRectangle               *cell_area,
-						 GdkRectangle               *expose_area,
+						 const GdkRectangle         *background_area,
+						 const GdkRectangle         *cell_area,
 						 GtkCellRendererState        flags);
 
 
@@ -743,11 +742,10 @@ gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
 
 static void
 gtk_cell_renderer_pixbuf_render (GtkCellRenderer      *cell,
-				 GdkWindow            *window,
+                                 cairo_t              *cr,
 				 GtkWidget            *widget,
-				 GdkRectangle         *background_area,
-				 GdkRectangle         *cell_area,
-				 GdkRectangle         *expose_area,
+				 const GdkRectangle   *background_area,
+				 const GdkRectangle   *cell_area,
 				 GtkCellRendererState  flags)
 
 {
@@ -759,11 +757,10 @@ gtk_cell_renderer_pixbuf_render (GtkCellRenderer      *cell,
   GdkPixbuf *symbolic = NULL;
   GdkRectangle pix_rect;
   GdkRectangle draw_rect;
-  cairo_t *cr;
   gboolean is_expander;
   gint xpad, ypad;
 
-  gtk_cell_renderer_pixbuf_get_size (cell, widget, cell_area,
+  gtk_cell_renderer_pixbuf_get_size (cell, widget, (GdkRectangle *) cell_area,
 				     &pix_rect.x,
 				     &pix_rect.y,
 				     &pix_rect.width,
@@ -775,8 +772,7 @@ gtk_cell_renderer_pixbuf_render (GtkCellRenderer      *cell,
   pix_rect.width  -= xpad * 2;
   pix_rect.height -= ypad * 2;
 
-  if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
-      !gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
+  if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect))
     return;
 
   pixbuf = priv->pixbuf;
@@ -852,14 +848,10 @@ gtk_cell_renderer_pixbuf_render (GtkCellRenderer      *cell,
       }
     }
 
-  cr = gdk_cairo_create (window);
-  
   gdk_cairo_set_source_pixbuf (cr, pixbuf, pix_rect.x, pix_rect.y);
   gdk_cairo_rectangle (cr, &draw_rect);
   cairo_fill (cr);
 
-  cairo_destroy (cr);
-  
   if (invisible)
     g_object_unref (invisible);
 
diff --git a/gtk/gtkcellrendererprogress.c b/gtk/gtkcellrendererprogress.c
index a6d7288..a2e222f 100644
--- a/gtk/gtkcellrendererprogress.c
+++ b/gtk/gtkcellrendererprogress.c
@@ -89,11 +89,10 @@ static void gtk_cell_renderer_progress_get_size     (GtkCellRenderer         *ce
 						     gint                    *width,
 						     gint                    *height);
 static void gtk_cell_renderer_progress_render       (GtkCellRenderer         *cell,
-						     GdkWindow               *window,
+						     cairo_t                 *cr,
 						     GtkWidget               *widget,
-						     GdkRectangle            *background_area,
-						     GdkRectangle            *cell_area,
-						     GdkRectangle            *expose_area,
+						     const GdkRectangle      *background_area,
+						     const GdkRectangle      *cell_area,
 						     guint                    flags);
 
      
@@ -527,13 +526,12 @@ get_bar_position (gint     start,
 }
 
 static void
-gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
-				   GdkWindow       *window,
-				   GtkWidget       *widget,
-				   GdkRectangle    *background_area,
-				   GdkRectangle    *cell_area,
-				   GdkRectangle    *expose_area,
-				   guint            flags)
+gtk_cell_renderer_progress_render (GtkCellRenderer      *cell,
+                                   cairo_t              *cr,
+				   GtkWidget            *widget,
+				   const GdkRectangle   *background_area,
+				   const GdkRectangle   *cell_area,
+				   GtkCellRendererState  flags)
 {
   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (cell);
   GtkCellRendererProgressPrivate *priv= cellprogress->priv; 
@@ -559,11 +557,11 @@ gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
    * but some engines don't paint anything with that detail for
    * non-GtkProgressBar widgets.
    */
-  gtk_paint_box (style,
-		 window,
-		 GTK_STATE_NORMAL, GTK_SHADOW_IN, 
-		 NULL, widget, NULL,
-		 x, y, w, h);
+  gtk_cairo_paint_box (style,
+                       cr,
+                       GTK_STATE_NORMAL, GTK_SHADOW_IN, 
+                       widget, NULL,
+                       x, y, w, h);
 
   if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
     {
@@ -606,12 +604,12 @@ gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
       clip.y = bar_position;
     }
 
-  gtk_paint_box (style,
-		 window,
-		 GTK_STATE_SELECTED, GTK_SHADOW_OUT,
-		 &clip, widget, "bar",
-		 clip.x, clip.y,
-		 clip.width, clip.height);
+  gtk_cairo_paint_box (style,
+                       cr,
+                       GTK_STATE_SELECTED, GTK_SHADOW_OUT,
+                       widget, "bar",
+                       clip.x, clip.y,
+                       clip.width, clip.height);
 
   if (priv->label)
     {
@@ -631,11 +629,17 @@ gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
       y_pos = y + style->ythickness + priv->text_yalign *
 	(h - 2 * style->ythickness - logical_rect.height);
 
-      gtk_paint_layout (style, window,
-	  	        GTK_STATE_SELECTED,
-		        FALSE, &clip, widget, "progressbar",
-		        x_pos, y_pos, 
-		        layout);
+      cairo_save (cr);
+      gdk_cairo_rectangle (cr, &clip);
+      cairo_clip (cr);
+
+      gtk_cairo_paint_layout (style, cr,
+                              GTK_STATE_SELECTED,
+                              FALSE, widget, "progressbar",
+                              x_pos, y_pos, 
+                              layout);
+
+      cairo_restore (cr);
 
       if (bar_position > start)
         {
@@ -650,11 +654,17 @@ gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
 	      clip.height = bar_position - y;
 	    }
 
-          gtk_paint_layout (style, window,
-	  	            GTK_STATE_NORMAL,
-		            FALSE, &clip, widget, "progressbar",
-		            x_pos, y_pos,
-		            layout);
+          cairo_save (cr);
+          gdk_cairo_rectangle (cr, &clip);
+          cairo_clip (cr);
+
+          gtk_cairo_paint_layout (style, cr,
+                                  GTK_STATE_NORMAL,
+                                  FALSE, widget, "progressbar",
+                                  x_pos, y_pos,
+                                  layout);
+
+          cairo_restore (cr);
         }
 
       if (bar_position + bar_size < start + full_size)
@@ -670,11 +680,17 @@ gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
 	      clip.height = y + h - (bar_position + bar_size);
 	    }
 
-          gtk_paint_layout (style, window,
-		            GTK_STATE_NORMAL,
-		            FALSE, &clip, widget, "progressbar",
-		            x_pos, y_pos,
-		            layout);
+          cairo_save (cr);
+          gdk_cairo_rectangle (cr, &clip);
+          cairo_clip (cr);
+
+          gtk_cairo_paint_layout (style, cr,
+                                  GTK_STATE_NORMAL,
+                                  FALSE, widget, "progressbar",
+                                  x_pos, y_pos,
+                                  layout);
+          
+          cairo_destroy (cr);
         }
 
       g_object_unref (layout);
diff --git a/gtk/gtkcellrendererspinner.c b/gtk/gtkcellrendererspinner.c
index 9db5377..2a0ad01 100644
--- a/gtk/gtkcellrendererspinner.c
+++ b/gtk/gtkcellrendererspinner.c
@@ -85,13 +85,12 @@ static void gtk_cell_renderer_spinner_get_size     (GtkCellRenderer *cell,
                                                     gint            *y_offset,
                                                     gint            *width,
                                                     gint            *height);
-static void gtk_cell_renderer_spinner_render       (GtkCellRenderer *cell,
-                                                    GdkWindow       *window,
-                                                    GtkWidget       *widget,
-                                                    GdkRectangle    *background_area,
-                                                    GdkRectangle    *cell_area,
-                                                    GdkRectangle    *expose_area,
-                                                    guint            flags);
+static void gtk_cell_renderer_spinner_render       (GtkCellRenderer      *cell,
+                                                    cairo_t              *cr,
+                                                    GtkWidget            *widget,
+                                                    const GdkRectangle   *background_area,
+                                                    const GdkRectangle   *cell_area,
+                                                    GtkCellRendererState  flags);
 
 G_DEFINE_TYPE (GtkCellRendererSpinner, gtk_cell_renderer_spinner, GTK_TYPE_CELL_RENDERER)
 
@@ -320,13 +319,12 @@ gtk_cell_renderer_spinner_get_size (GtkCellRenderer *cellr,
 }
 
 static void
-gtk_cell_renderer_spinner_render (GtkCellRenderer *cellr,
-                                  GdkWindow       *window,
-                                  GtkWidget       *widget,
-                                  GdkRectangle    *background_area,
-                                  GdkRectangle    *cell_area,
-                                  GdkRectangle    *expose_area,
-                                  guint            flags)
+gtk_cell_renderer_spinner_render (GtkCellRenderer      *cellr,
+                                  cairo_t              *cr,
+                                  GtkWidget            *widget,
+                                  const GdkRectangle   *background_area,
+                                  const GdkRectangle   *cell_area,
+                                  GtkCellRendererState  flags)
 {
   GtkCellRendererSpinner *cell = GTK_CELL_RENDERER_SPINNER (cellr);
   GtkCellRendererSpinnerPrivate *priv = cell->priv;
@@ -338,7 +336,7 @@ gtk_cell_renderer_spinner_render (GtkCellRenderer *cellr,
   if (!priv->active)
     return;
 
-  gtk_cell_renderer_spinner_get_size (cellr, widget, cell_area,
+  gtk_cell_renderer_spinner_get_size (cellr, widget, (GdkRectangle *) cell_area,
                                       &pix_rect.x, &pix_rect.y,
                                       &pix_rect.width, &pix_rect.height);
 
@@ -351,11 +349,8 @@ gtk_cell_renderer_spinner_render (GtkCellRenderer *cellr,
   pix_rect.width -= xpad * 2;
   pix_rect.height -= ypad * 2;
 
-  if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
-      !gdk_rectangle_intersect (expose_area, &pix_rect, &draw_rect))
-    {
-      return;
-    }
+  if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect))
+    return;
 
   state = GTK_STATE_NORMAL;
   if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE ||
@@ -376,13 +371,12 @@ gtk_cell_renderer_spinner_render (GtkCellRenderer *cellr,
         state = GTK_STATE_PRELIGHT;
     }
 
-  gtk_paint_spinner (gtk_widget_get_style (widget),
-                     window,
-                     state,
-                     expose_area,
-                     widget,
-                     "cell",
-                     priv->pulse,
-                     draw_rect.x, draw_rect.y,
-                     draw_rect.width, draw_rect.height);
+  gtk_cairo_paint_spinner (gtk_widget_get_style (widget),
+                           cr,
+                           state,
+                           widget,
+                           "cell",
+                           priv->pulse,
+                           draw_rect.x, draw_rect.y,
+                           draw_rect.width, draw_rect.height);
 }
diff --git a/gtk/gtkcellrenderertext.c b/gtk/gtkcellrenderertext.c
index f0b4445..0912c3e 100644
--- a/gtk/gtkcellrenderertext.c
+++ b/gtk/gtkcellrenderertext.c
@@ -40,11 +40,10 @@ static void gtk_cell_renderer_text_set_property  (GObject                  *obje
 						  const GValue             *value,
 						  GParamSpec               *pspec);
 static void gtk_cell_renderer_text_render     (GtkCellRenderer          *cell,
-					       GdkWindow                *window,
+					       cairo_t                  *cr,
 					       GtkWidget                *widget,
-					       GdkRectangle             *background_area,
-					       GdkRectangle             *cell_area,
-					       GdkRectangle             *expose_area,
+					       const GdkRectangle       *background_area,
+					       const GdkRectangle       *cell_area,
 					       GtkCellRendererState      flags);
 
 static GtkCellEditable *gtk_cell_renderer_text_start_editing (GtkCellRenderer      *cell,
@@ -1430,7 +1429,7 @@ add_attr (PangoAttrList  *attr_list,
 static PangoLayout*
 get_layout (GtkCellRendererText *celltext,
             GtkWidget           *widget,
-            GdkRectangle        *cell_area,
+            const GdkRectangle  *cell_area,
             GtkCellRendererState flags)
 {
   GtkCellRendererTextPrivate *priv = celltext->priv;
@@ -1690,11 +1689,10 @@ get_size (GtkCellRenderer *cell,
 
 static void
 gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
-			       GdkDrawable          *window,
+			       cairo_t              *cr,
 			       GtkWidget            *widget,
-			       GdkRectangle         *background_area,
-			       GdkRectangle         *cell_area,
-			       GdkRectangle         *expose_area,
+			       const GdkRectangle   *background_area,
+			       const GdkRectangle   *cell_area,
 			       GtkCellRendererState  flags)
 
 {
@@ -1707,7 +1705,7 @@ gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
   gint xpad, ypad;
 
   layout = get_layout (celltext, widget, cell_area, flags);
-  get_size (cell, widget, cell_area, layout, &x_offset, &y_offset, NULL, NULL);
+  get_size (cell, widget, (GdkRectangle *) cell_area, layout, &x_offset, &y_offset, NULL, NULL);
 
   if (!gtk_cell_renderer_get_sensitive (cell))
     {
@@ -1736,22 +1734,12 @@ gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
   if (priv->background_set && 
       (flags & GTK_CELL_RENDERER_SELECTED) == 0)
     {
-      cairo_t *cr = gdk_cairo_create (window);
-
-      if (expose_area)
-	{
-	  gdk_cairo_rectangle (cr, expose_area);
-	  cairo_clip (cr);
-	}
-
       gdk_cairo_rectangle (cr, background_area);
       cairo_set_source_rgb (cr,
 			    priv->background.red / 65535.,
 			    priv->background.green / 65535.,
 			    priv->background.blue / 65535.);
       cairo_fill (cr);
-      
-      cairo_destroy (cr);
     }
 
   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
@@ -1762,16 +1750,15 @@ gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
   else if (priv->wrap_width == -1)
     pango_layout_set_width (layout, -1);
 
-  gtk_paint_layout (gtk_widget_get_style (widget),
-                    window,
-                    state,
-		    TRUE,
-                    expose_area,
-                    widget,
-                    "cellrenderertext",
-                    cell_area->x + x_offset + xpad,
-                    cell_area->y + y_offset + ypad,
-                    layout);
+  gtk_cairo_paint_layout (gtk_widget_get_style (widget),
+                          cr,
+                          state,
+                          TRUE,
+                          widget,
+                          "cellrenderertext",
+                          cell_area->x + x_offset + xpad,
+                          cell_area->y + y_offset + ypad,
+                          layout);
 
   g_object_unref (layout);
 }
@@ -2140,7 +2127,7 @@ gtk_cell_renderer_text_get_height_for_width (GtkCellSizeRequest *cell,
 
   gtk_cell_renderer_get_padding (GTK_CELL_RENDERER (cell), &xpad, &ypad);
 
-  layout = get_layout (celltext, widget, FALSE, 0);
+  layout = get_layout (celltext, widget, NULL, 0);
 
   pango_layout_set_width (layout, (width - xpad * 2) * PANGO_SCALE);
   pango_layout_get_pixel_size (layout, NULL, &text_height);
diff --git a/gtk/gtkcellrenderertoggle.c b/gtk/gtkcellrenderertoggle.c
index 470a061..e7433f2 100644
--- a/gtk/gtkcellrenderertoggle.c
+++ b/gtk/gtkcellrenderertoggle.c
@@ -42,11 +42,10 @@ static void gtk_cell_renderer_toggle_get_size   (GtkCellRenderer            *cel
 						 gint                       *width,
 						 gint                       *height);
 static void gtk_cell_renderer_toggle_render     (GtkCellRenderer            *cell,
-						 GdkWindow                  *window,
+						 cairo_t                    *cr,
 						 GtkWidget                  *widget,
-						 GdkRectangle               *background_area,
-						 GdkRectangle               *cell_area,
-						 GdkRectangle               *expose_area,
+						 const GdkRectangle         *background_area,
+						 const GdkRectangle         *cell_area,
 						 GtkCellRendererState        flags);
 static gboolean gtk_cell_renderer_toggle_activate  (GtkCellRenderer            *cell,
 						    GdkEvent                   *event,
@@ -324,11 +323,10 @@ gtk_cell_renderer_toggle_get_size (GtkCellRenderer *cell,
 
 static void
 gtk_cell_renderer_toggle_render (GtkCellRenderer      *cell,
-				 GdkDrawable          *window,
+				 cairo_t              *cr,
 				 GtkWidget            *widget,
-				 GdkRectangle         *background_area,
-				 GdkRectangle         *cell_area,
-				 GdkRectangle         *expose_area,
+				 const GdkRectangle   *background_area,
+				 const GdkRectangle   *cell_area,
 				 GtkCellRendererState  flags)
 {
   GtkCellRendererToggle *celltoggle = GTK_CELL_RENDERER_TOGGLE (cell);
@@ -339,7 +337,7 @@ gtk_cell_renderer_toggle_render (GtkCellRenderer      *cell,
   GtkShadowType shadow;
   GtkStateType state = 0;
 
-  gtk_cell_renderer_toggle_get_size (cell, widget, cell_area,
+  gtk_cell_renderer_toggle_get_size (cell, widget, (GdkRectangle *) cell_area,
 				     &x_offset, &y_offset,
 				     &width, &height);
   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
@@ -376,23 +374,23 @@ gtk_cell_renderer_toggle_render (GtkCellRenderer      *cell,
 
   if (priv->radio)
     {
-      gtk_paint_option (gtk_widget_get_style (widget),
-                        window,
-                        state, shadow,
-                        expose_area, widget, "cellradio",
-                        cell_area->x + x_offset + xpad,
-                        cell_area->y + y_offset + ypad,
-                        width, height);
+      gtk_cairo_paint_option (gtk_widget_get_style (widget),
+                              cr,
+                              state, shadow,
+                              widget, "cellradio",
+                              cell_area->x + x_offset + xpad,
+                              cell_area->y + y_offset + ypad,
+                              width, height);
     }
   else
     {
-      gtk_paint_check (gtk_widget_get_style (widget),
-                       window,
-                       state, shadow,
-                       expose_area, widget, "cellcheck",
-                       cell_area->x + x_offset + xpad,
-                       cell_area->y + y_offset + ypad,
-                       width, height);
+      gtk_cairo_paint_check (gtk_widget_get_style (widget),
+                             cr,
+                             state, shadow,
+                             widget, "cellcheck",
+                             cell_area->x + x_offset + xpad,
+                             cell_area->y + y_offset + ypad,
+                             width, height);
     }
 }
 



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