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GtkThemingEngine: Add vmethod to render an extension.

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This commit is contained in:
Carlos Garnacho 2010-03-27 21:25:33 +01:00
parent 88492a50d6
commit aa1d492fe9
2 changed files with 95 additions and 0 deletions
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88
gtk/gtkthemingengine.c
View File

@ -112,6 +112,13 @@ static void gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
GtkPositionType gap_side,
gdouble xy0_gap,
gdouble xy1_gap);
static void gtk_theming_engine_render_extension (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@ -154,6 +161,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
klass->render_line = gtk_theming_engine_render_line;
klass->render_slider = gtk_theming_engine_render_slider;
klass->render_frame_gap = gtk_theming_engine_render_frame_gap;
klass->render_extension = gtk_theming_engine_render_extension;
g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
}
@ -1256,5 +1264,85 @@ gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
gdk_color_free (bg_color);
}
static void
gtk_theming_engine_render_extension (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side)
{
GtkStateFlags flags;
GtkStateType state;
GdkColor *bg_color;
GdkColor lighter, darker;
guint sides;
cairo_save (cr);
flags = gtk_theming_engine_get_state (engine);
if (flags & GTK_STATE_FLAG_ACTIVE)
state = GTK_STATE_ACTIVE;
else 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);
add_path_rounded_rectangle (cr, 0,
SIDE_BOTTOM | SIDE_RIGHT | SIDE_TOP | SIDE_LEFT,
x, y, width, height);
cairo_close_path (cr);
gdk_cairo_set_source_color (cr, bg_color);
cairo_fill (cr);
if (gap_side == GTK_POS_RIGHT)
sides = SIDE_BOTTOM;
else if (gap_side == GTK_POS_BOTTOM)
sides = SIDE_RIGHT;
else
sides = SIDE_BOTTOM | SIDE_RIGHT;
add_path_rounded_rectangle (cr, 0, sides,
x, y, width, height);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_stroke (cr);
add_path_rounded_rectangle (cr, 0, sides,
x, y, width - 1, height - 1);
gdk_cairo_set_source_color (cr, &darker);
cairo_stroke (cr);
if (gap_side == GTK_POS_LEFT)
sides = SIDE_TOP;
else if (gap_side == GTK_POS_TOP)
sides = SIDE_LEFT;
else
sides = SIDE_TOP | SIDE_LEFT;
add_path_rounded_rectangle (cr, 0, sides,
x, y, width, height);
gdk_cairo_set_source_color (cr, &lighter);
cairo_stroke (cr);
cairo_restore (cr);
gdk_color_free (bg_color);
}
#define __GTK_THEMING_ENGINE_C__
#include "gtkaliasdef.c"

7
gtk/gtkthemingengine.h
View File

@ -76,6 +76,13 @@ struct GtkThemingEngineClass
GtkPositionType gap_side,
gdouble xy0_gap,
gdouble xy1_gap);
void (* render_extension) (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkPositionType gap_side);
void (* render_check) (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,