AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

GtkThemingEngine: Add vmethod to render frames.

Browse Source
This commit is contained in:
Carlos Garnacho 2010-03-27 20:11:31 +01:00
parent 25488633ec
commit 48990bc71c
2 changed files with 102 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
gtk/gtkthemingengine.c
View File

@ -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));
}
@ -667,6 +674,16 @@ 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,
@ -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"

6
gtk/gtkthemingengine.h
View File

@ -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,