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GtkThemingEngine: Add vmethod to render focus indicator.

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This commit is contained in:
Carlos Garnacho
2010-03-27 20:18:38 +01:00
parent 9c3b079c1c
commit 8439537e2f
2 changed files with 57 additions and 0 deletions
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51
gtk/gtkthemingengine.c
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@@ -79,6 +79,12 @@ static void gtk_theming_engine_render_expander (GtkThemingEngine *engine,
gdouble y,
gdouble width,
gdouble height);
static void gtk_theming_engine_render_focus (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@@ -116,6 +122,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
klass->render_background = gtk_theming_engine_render_background;
klass->render_frame = gtk_theming_engine_render_frame;
klass->render_expander = gtk_theming_engine_render_expander;
klass->render_focus = gtk_theming_engine_render_focus;
g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
}
@@ -862,5 +869,49 @@ gtk_theming_engine_render_expander (GtkThemingEngine *engine,
gdk_color_free (bg_color);
}
static void
gtk_theming_engine_render_focus (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
const double dashes[] = { 0.5, 1.5 };
GdkColor *base_color;
GtkStateFlags flags;
GtkStateType state;
cairo_save (cr);
flags = gtk_theming_engine_get_state (engine);
if (flags & GTK_STATE_FLAG_PRELIGHT)
state = GTK_STATE_PRELIGHT;
else if (flags & GTK_STATE_FLAG_INSENSITIVE)
state = GTK_STATE_INSENSITIVE;
else
state = GTK_STATE_NORMAL;
gtk_theming_engine_get (engine, state,
"base-color", &base_color,
NULL);
cairo_set_line_width (cr, 1.0);
cairo_set_dash (cr, dashes, 2, 0);
cairo_rectangle (cr,
x + 0.5,
y + 0.5,
width - 1,
height - 1);
gdk_cairo_set_source_color (cr, base_color);
cairo_stroke (cr);
cairo_restore (cr);
gdk_color_free (base_color);
}
#define __GTK_THEMING_ENGINE_C__
#include "gtkaliasdef.c"

6
gtk/gtkthemingengine.h
View File

@@ -85,6 +85,12 @@ struct GtkThemingEngineClass
gdouble y,
gdouble width,
gdouble height);
void (* render_focus) (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height);
};
GType gtk_theming_engine_get_type (void) G_GNUC_CONST;