[gtk+/rendering-cleanup-next: 111/199] gtk-demo: Connect to draw signal in rotated-text
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/rendering-cleanup-next: 111/199] gtk-demo: Connect to draw signal in rotated-text
- Date: Thu, 23 Sep 2010 21:28:25 +0000 (UTC)
commit d119e965924839f1e44e243b62a5052b9d6d59e6
Author: Benjamin Otte <otte redhat com>
Date: Wed Sep 8 21:57:18 2010 +0200
gtk-demo: Connect to draw signal in rotated-text
demos/gtk-demo/rotated_text.c | 24 ++++++++----------------
1 files changed, 8 insertions(+), 16 deletions(-)
---
diff --git a/demos/gtk-demo/rotated_text.c b/demos/gtk-demo/rotated_text.c
index 4450ab0..bab7046 100644
--- a/demos/gtk-demo/rotated_text.c
+++ b/demos/gtk-demo/rotated_text.c
@@ -91,39 +91,32 @@ create_fancy_attr_list_for_layout (PangoLayout *layout)
}
static gboolean
-rotated_text_expose_event (GtkWidget *widget,
- GdkEventExpose *event,
- gpointer data)
+rotated_text_draw (GtkWidget *widget,
+ cairo_t *cr,
+ gpointer data)
{
#define RADIUS 150
#define N_WORDS 5
#define FONT "Serif 18"
- GtkAllocation allocation;
-
PangoContext *context;
PangoLayout *layout;
PangoFontDescription *desc;
- cairo_t *cr;
cairo_pattern_t *pattern;
PangoAttrList *attrs;
- int width;
- int height;
double device_radius;
+ int width, height;
int i;
- gtk_widget_get_allocation (widget, &allocation);
- width = allocation.width;
- height = allocation.height;
-
/* Create a cairo context and set up a transformation matrix so that the user
* space coordinates for the centered square where we draw are [-RADIUS, RADIUS],
* [-RADIUS, RADIUS].
* We first center, then change the scale. */
- cr = gdk_cairo_create (gtk_widget_get_window (widget));
+ width = gtk_widget_get_allocated_width (widget);
+ height = gtk_widget_get_allocated_height (widget);
device_radius = MIN (width, height) / 2.;
cairo_translate (cr,
device_radius + (width - 2 * device_radius) / 2,
@@ -173,7 +166,6 @@ rotated_text_expose_event (GtkWidget *widget,
g_object_unref (layout);
g_object_unref (context);
cairo_pattern_destroy (pattern);
- cairo_destroy (cr);
return FALSE;
}
@@ -209,8 +201,8 @@ do_rotated_text (GtkWidget *do_widget)
/* This overrides the background color from the theme */
gtk_widget_modify_bg (drawing_area, GTK_STATE_NORMAL, &white);
- g_signal_connect (drawing_area, "expose-event",
- G_CALLBACK (rotated_text_expose_event), NULL);
+ g_signal_connect (drawing_area, "draw",
+ G_CALLBACK (rotated_text_draw), NULL);
/* And a label */
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