[gedit] Initial port to GtkStyleContext.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit e5157f6097348ec68bf4730b51361fec276398c4
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sat Dec 4 17:23:44 2010 +0100

    Initial port to GtkStyleContext.

 gedit/gedit-overlay.c                             |    7 ++++---
 gedit/gedit-rounded-frame.c                       |   17 +++++++++--------
 gedit/gedit-view.c                                |    2 +-
 gedit/theatrics/gedit-theatrics-animated-widget.c |    9 ++++-----
 4 files changed, 18 insertions(+), 17 deletions(-)
---
diff --git a/gedit/gedit-overlay.c b/gedit/gedit-overlay.c
index 98e2695..666210d 100644
--- a/gedit/gedit-overlay.c
+++ b/gedit/gedit-overlay.c
@@ -263,6 +263,7 @@ gedit_overlay_realize (GtkWidget *widget)
 	GdkWindow *window;
 	GdkWindowAttr attributes;
 	gint attributes_mask;
+	GtkStyleContext *context;
 
 	gtk_widget_set_realized (widget, TRUE);
 
@@ -285,9 +286,9 @@ gedit_overlay_realize (GtkWidget *widget)
 	gtk_widget_set_window (widget, window);
 	gdk_window_set_user_data (window, widget);
 
-	gtk_widget_style_attach (widget);
-	gtk_style_set_background (gtk_widget_get_style (widget), window,
-	                          GTK_STATE_NORMAL);
+	context = gtk_widget_get_style_context (widget);
+	gtk_style_context_set_state (context, 0);
+	gtk_style_context_set_background (context, window);
 }
 
 static void
diff --git a/gedit/gedit-rounded-frame.c b/gedit/gedit-rounded-frame.c
index 540cc7c..06bb30b 100644
--- a/gedit/gedit-rounded-frame.c
+++ b/gedit/gedit-rounded-frame.c
@@ -138,9 +138,9 @@ draw_frame (GeditRoundedFrame *frame,
             cairo_t           *cr,
             GdkRectangle      *area)
 {
-	GtkStyle *style;
-	GdkColor bg_color;
-	GdkColor border_color;
+	GtkStyleContext *context;
+	GdkRGBA bg_color;
+	GdkRGBA border_color;
 
 	gedit_theatrics_utils_draw_round_rectangle (cr,
 	                                            FALSE,
@@ -153,14 +153,15 @@ draw_frame (GeditRoundedFrame *frame,
 	                                            area->width,
 	                                            area->height);
 
-	style = gtk_widget_get_style (GTK_WIDGET (frame));
-	bg_color = style->bg[GTK_STATE_NORMAL];
-	border_color = style->dark[GTK_STATE_ACTIVE];
+	context = gtk_widget_get_style_context (GTK_WIDGET (frame));
+	gtk_style_context_get_background_color (context, 0, &bg_color);
+	gtk_style_context_get_border_color (context, GTK_STATE_FLAG_ACTIVE,
+	                                    &border_color);
 
-	gdk_cairo_set_source_color (cr, &bg_color);
+	gdk_cairo_set_source_rgba (cr, &bg_color);
 	cairo_fill_preserve (cr);
 
-	gdk_cairo_set_source_color (cr, &border_color);
+	gdk_cairo_set_source_rgba (cr, &border_color);
 	cairo_set_line_width (cr, frame->priv->frame_width / 2);
 	cairo_stroke (cr);
 }
diff --git a/gedit/gedit-view.c b/gedit/gedit-view.c
index a8b8cb9..962db1a 100644
--- a/gedit/gedit-view.c
+++ b/gedit/gedit-view.c
@@ -707,7 +707,7 @@ gedit_view_set_font (GeditView   *view,
 
 	g_return_if_fail (font_desc != NULL);
 
-	gtk_widget_modify_font (GTK_WIDGET (view), font_desc);
+	gtk_widget_override_font (GTK_WIDGET (view), font_desc);
 
 	pango_font_description_free (font_desc);
 }
diff --git a/gedit/theatrics/gedit-theatrics-animated-widget.c b/gedit/theatrics/gedit-theatrics-animated-widget.c
index 0f3c13d..2dece3c 100644
--- a/gedit/theatrics/gedit-theatrics-animated-widget.c
+++ b/gedit/theatrics/gedit-theatrics-animated-widget.c
@@ -203,12 +203,12 @@ gedit_theatrics_animated_widget_realize (GtkWidget *widget)
 	GdkWindowAttr attributes;
 	GdkWindow *parent_window;
 	GdkWindow *window;
-	GtkStyle *style;
+	GtkStyleContext *context;
 
 	gtk_widget_set_realized (widget, TRUE);
 
 	parent_window = gtk_widget_get_parent_window (widget);
-	style = gtk_widget_get_style (widget);
+	context = gtk_widget_get_style_context (widget);
 
 	attributes.window_type = GDK_WINDOW_CHILD;
 	attributes.wclass = GDK_INPUT_OUTPUT;
@@ -217,9 +217,8 @@ gedit_theatrics_animated_widget_realize (GtkWidget *widget)
 	window = gdk_window_new (parent_window, &attributes, 0);
 	gdk_window_set_user_data (window, widget);
 	gtk_widget_set_window (widget, window);
-	style = gtk_style_attach (style, window);
-	gtk_widget_set_style (widget, style);
-	gtk_style_set_background (style, window, GTK_STATE_NORMAL);
+	gtk_style_context_set_state (context, 0);
+	gtk_style_context_set_background (context, window);
 }
 
 static void