gtk patch to get access to drawing functions

gistfile1.txt

From b9455b61e45835d67bc2fbb97667fee5ab99b318 Mon Sep 17 00:00:00 2001
From: Christian Hergert <[email protected]>
Date: Fri, 17 Apr 2015 16:54:05 -0700
Subject: [PATCH] wip access to text drawing.

---
 gtk/gtktextview.c | 33 ++++++++++++++++++++++++---------
 gtk/gtktextview.h |  5 +++++
 2 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index a247586..95e0962 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -5414,23 +5414,24 @@ gtk_text_view_paint (GtkWidget      *widget,
   cairo_restore (cr);
 }
 
-static void
-draw_text (cairo_t  *cr,
-           gpointer  user_data)
+void
+gtk_text_view_draw_text_with_area (GtkTextView        *text_view,
+                                   cairo_t            *cr,
+                                   const GdkRectangle *area)
 {
-  GtkWidget *widget = user_data;
-  GtkTextView *text_view = GTK_TEXT_VIEW (widget);
+  GtkWidget *widget = (GtkWidget *)text_view;
   GtkStyleContext *context;
-  GdkRectangle bg_rect;
 
-  gdk_cairo_get_clip_rectangle (cr, &bg_rect);
+  g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
+  g_return_if_fail (cr != NULL);
+  g_return_if_fail (area != NULL);
 
   context = gtk_widget_get_style_context (widget);
   gtk_style_context_save (context);
   gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
   gtk_render_background (context, cr,
-                         bg_rect.x, bg_rect.y,
-                         bg_rect.width, bg_rect.height);
+                         area->x, area->y,
+                         area->width, area->height);
   gtk_style_context_restore (context);
 
   if (GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer != NULL)
@@ -5451,6 +5452,20 @@ draw_text (cairo_t  *cr,
 }
 
 static void
+draw_text (cairo_t  *cr,
+           gpointer  user_data)
+{
+  GtkTextView *text_view = user_data;
+  GdkRectangle bg_rect;
+
+  g_assert (cr != NULL);
+  g_assert (GTK_IS_TEXT_VIEW (text_view));
+
+  gdk_cairo_get_clip_rectangle (cr, &bg_rect);
+  gtk_text_view_draw_text_with_area (text_view, cr, &bg_rect);
+}
+
+static void
 paint_border_window (GtkTextView       *text_view,
                      cairo_t           *cr,
                      GtkTextWindowType  type,
diff --git a/gtk/gtktextview.h b/gtk/gtktextview.h
index 91396ba..7a85eb0 100644
--- a/gtk/gtktextview.h
+++ b/gtk/gtktextview.h
@@ -436,6 +436,11 @@ void             gtk_text_view_set_monospace          (GtkTextView      *text_vi
 GDK_AVAILABLE_IN_3_16
 gboolean         gtk_text_view_get_monospace          (GtkTextView      *text_view);
 
+GDK_AVAILABLE_IN_3_16
+void             gtk_text_view_draw_text_with_area    (GtkTextView        *text_view,
+                                                       cairo_t            *cr,
+                                                       const GdkRectangle *area);
+
 G_END_DECLS
 
 #endif /* __GTK_TEXT_VIEW_H__ */
-- 
2.3.5