static void
gtk_cell_renderer_bubble_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SHOW_BUBBLE:
gtk_cell_renderer_bubble_set_show_bubble (GTK_CELL_RENDERER_BUBBLE (object),
g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
render (GtkCellRenderer *cell,
GdkDrawable *window,
GtkWidget *widget,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GdkRectangle *expose_area,
GtkCellRendererState flags)
{
GtkCellRendererClass *klass;
GtkCellRendererBubblePrivate *priv;
cairo_t *cr;
GdkColor color;
gint radius;
g_return_if_fail(GTK_IS_CELL_RENDERER_BUBBLE (cell));
priv = GTK_CELL_RENDERER_BUBBLE (cell)->priv;
if (priv->show_bubble) {
cr = gdk_cairo_create(GDK_DRAWABLE (window));
gdk_color_parse("#ccc", &color);
gdk_cairo_set_source_color(cr, &color);
radius = MIN(cell_area->width, cell_area->height) / 2;
cairo_arc(cr,
cell_area->x + (cell_area->width / 2),
cell_area->y + (cell_area->height / 2),
radius,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
klass = GTK_CELL_RENDERER_CLASS(gtk_cell_renderer_bubble_parent_class);
klass->render(cell, window, widget, background_area,
cell_area, expose_area, flags);
}
static void
render (GtkCellRenderer *cell,
GdkDrawable *window,
GtkWidget *widget,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GdkRectangle *expose_area,
GtkCellRendererState flags)
{
GtkCellRendererBubblePrivate *priv;
cairo_t *cr;
cairo_pattern_t *pattern;
GdkColor *start;
GdkColor *stop;
g_return_if_fail (GTK_IS_CELL_RENDERER_BUBBLE (cell));
priv = GTK_CELL_RENDERER_BUBBLE (cell)->priv;
if (priv->show_bubble)
{
cr = gdk_cairo_create (GDK_DRAWABLE (window));
g_assert (cr);
start = &widget->style->light [GTK_STATE_SELECTED];
stop = &widget->style->mid [GTK_STATE_SELECTED];
pattern = cairo_pattern_create_linear (cell_area->x,
cell_area->y,
cell_area->x,
cell_area->y + cell_area->height);
cairo_pattern_add_color_stop_rgb (pattern, 0.3,
start->red / (gdouble)G_MAXUINT16,
start->green / (gdouble)G_MAXUINT16,
start->blue / (gdouble)G_MAXUINT16);
cairo_pattern_add_color_stop_rgb (pattern, 0.9,
stop->red / (gdouble)G_MAXUINT16,
stop->green / (gdouble)G_MAXUINT16,
stop->blue / (gdouble)G_MAXUINT16);
rounded_rectangle (cr,
cell_area->x, cell_area->y + 1,
cell_area->width, cell_area->height - 2,
cell_area->height / 2.5, cell_area->height / 2.5);
cairo_set_source (cr, pattern);
cairo_fill_preserve (cr);
gdk_cairo_set_source_color (cr, &widget->style->dark [GTK_STATE_SELECTED]);
cairo_set_line_width (cr, 1.0);
cairo_stroke (cr);
rounded_rectangle (cr,
cell_area->x + 1.0, cell_area->y + 2.0,
cell_area->width - 2.0, cell_area->height - 4.0,
cell_area->height / 2.5, cell_area->height / 2.5);
gdk_cairo_set_source_color (cr, &widget->style->light [GTK_STATE_SELECTED]);
cairo_stroke (cr);
cairo_destroy (cr);
}
GTK_CELL_RENDERER_CLASS (gtk_cell_renderer_bubble_parent_class)->
render (cell, window, widget, background_area, cell_area, expose_area, flags);
}