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GtkThemingEngine: Add vmethod to render sliders.

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This commit is contained in:
Carlos Garnacho 2010-03-27 21:20:21 +01:00
parent 86727adc4d
commit 2ebdf80adc
2 changed files with 44 additions and 0 deletions
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37
gtk/gtkthemingengine.c
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@ -96,6 +96,13 @@ static void gtk_theming_engine_render_line (GtkThemingEngine *engine,
gdouble y0,
gdouble x1,
gdouble y1);
static void gtk_theming_engine_render_slider (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkOrientation orientation);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@ -136,6 +143,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
klass->render_focus = gtk_theming_engine_render_focus;
klass->render_layout = gtk_theming_engine_render_layout;
klass->render_line = gtk_theming_engine_render_line;
klass->render_slider = gtk_theming_engine_render_slider;
g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
}
@ -1074,5 +1082,34 @@ gtk_theming_engine_render_layout (GtkThemingEngine *engine,
gdk_color_free (fg_color);
}
static void
gtk_theming_engine_render_slider (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkOrientation orientation)
{
const GtkWidgetPath *path;
path = gtk_theming_engine_get_path (engine);
gtk_theming_engine_render_background (engine, cr, x, y, width, height);
gtk_theming_engine_render_frame (engine, cr, x, y, width, height);
if (gtk_widget_path_has_parent (path, GTK_TYPE_SCALE))
{
if (orientation == GTK_ORIENTATION_VERTICAL)
gtk_theming_engine_render_line (engine, cr,
x + 2, y + height / 2 - 1,
x + width - 4, y + height / 2 - 1);
else
gtk_theming_engine_render_line (engine, cr,
x + width / 2 - 1, y + 4,
x + width / 2 - 1, y + height - 4);
}
}
#define __GTK_THEMING_ENGINE_C__
#include "gtkaliasdef.c"

7
gtk/gtkthemingengine.h
View File

@ -102,6 +102,13 @@ struct GtkThemingEngineClass
gdouble x,
gdouble y,
PangoLayout *layout);
void (* render_slider) (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkOrientation orientation);
};
GType gtk_theming_engine_get_type (void) G_GNUC_CONST;