[gtk+/gtk-style-context: 37/191] GtkThemingEngine: Add vmethod to render frames.
- From: Carlos Garnacho <carlosg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/gtk-style-context: 37/191] GtkThemingEngine: Add vmethod to render frames.
- Date: Tue, 17 Aug 2010 13:51:18 +0000 (UTC)
commit b68e53b8be1cd77798ebd98e1008bdad68f6d154
Author: Carlos Garnacho <carlosg gnome org>
Date: Sat Mar 27 20:11:31 2010 +0100
GtkThemingEngine: Add vmethod to render frames.
gtk/gtkthemingengine.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++
gtk/gtkthemingengine.h | 6 +++
2 files changed, 102 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c
index ed9d29d..2356440 100644
--- a/gtk/gtkthemingengine.c
+++ b/gtk/gtkthemingengine.c
@@ -67,6 +67,12 @@ static void gtk_theming_engine_render_background (GtkThemingEngine *engine,
gdouble y,
gdouble width,
gdouble height);
+static void gtk_theming_engine_render_frame (GtkThemingEngine *engine,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y,
+ gdouble width,
+ gdouble height);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@@ -102,6 +108,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
klass->render_option = gtk_theming_engine_render_option;
klass->render_arrow = gtk_theming_engine_render_arrow;
klass->render_background = gtk_theming_engine_render_background;
+ klass->render_frame = gtk_theming_engine_render_frame;
g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
}
@@ -668,6 +675,16 @@ add_path_rounded_rectangle (cairo_t *cr,
}
static void
+color_shade (const GdkColor *color,
+ gdouble factor,
+ GdkColor *color_return)
+{
+ color_return->red = CLAMP (color->red * factor, 0, 65535);
+ color_return->green = CLAMP (color->green * factor, 0, 65535);
+ color_return->blue = CLAMP (color->blue * factor, 0, 65535);
+}
+
+static void
gtk_theming_engine_render_background (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
@@ -704,5 +721,84 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
cairo_restore (cr);
}
+static void
+gtk_theming_engine_render_frame (GtkThemingEngine *engine,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y,
+ gdouble width,
+ gdouble height)
+{
+ GtkStateFlags flags;
+ GtkStateType state;
+ GdkColor *bg_color;
+ GdkColor lighter, darker;
+
+ 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;
+
+ cairo_set_line_width (cr, 1);
+
+ gtk_theming_engine_get (engine, state,
+ "background-color", &bg_color,
+ NULL);
+ color_shade (bg_color, 0.7, &darker);
+ color_shade (bg_color, 1.3, &lighter);
+
+ if (flags & GTK_STATE_FLAG_ACTIVE)
+ {
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_BOTTOM | SIDE_RIGHT,
+ x, y, width, height);
+
+ gdk_cairo_set_source_color (cr, &lighter);
+ cairo_stroke (cr);
+
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_TOP | SIDE_LEFT,
+ x + 1, y + 1, width - 2, height - 2);
+ cairo_set_source_rgb (cr, 0, 0, 0);
+ cairo_stroke (cr);
+
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_TOP | SIDE_LEFT,
+ x, y, width, height);
+ gdk_cairo_set_source_color (cr, &darker);
+ cairo_stroke (cr);
+ }
+ else
+ {
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_BOTTOM | SIDE_RIGHT,
+ x, y, width, height);
+
+ cairo_set_source_rgb (cr, 0, 0, 0);
+ cairo_stroke (cr);
+
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_BOTTOM | SIDE_RIGHT,
+ x, y, width - 1, height - 1);
+
+ gdk_cairo_set_source_color (cr, &darker);
+ cairo_stroke (cr);
+
+ add_path_rounded_rectangle (cr, 0,
+ SIDE_TOP | SIDE_LEFT,
+ x, y, width, height);
+
+ gdk_cairo_set_source_color (cr, &lighter);
+ cairo_stroke (cr);
+ }
+
+ cairo_restore (cr);
+}
+
#define __GTK_THEMING_ENGINE_C__
#include "gtkaliasdef.c"
diff --git a/gtk/gtkthemingengine.h b/gtk/gtkthemingengine.h
index a9dcff4..a2b167d 100644
--- a/gtk/gtkthemingengine.h
+++ b/gtk/gtkthemingengine.h
@@ -55,6 +55,12 @@ struct GtkThemingEngineClass
gdouble y,
gdouble width,
gdouble height);
+ void (* render_frame) (GtkThemingEngine *engine,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y,
+ gdouble width,
+ gdouble height);
void (* render_check) (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
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