void dtgtk_icon_set_paint(GtkWidget *icon, DTGTKCairoPaintIconFunc paint, gint paintflags, void *paintdata)
{
DTGTK_ICON(icon)->icon = paint;
DTGTK_ICON(icon)->icon_flags = paintflags;
DTGTK_ICON(icon)->icon_data = paintdata;
gtk_widget_queue_draw(icon);
}
static gboolean
_icon_expose (GtkWidget *widget, GdkEventExpose *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (DTGTK_IS_ICON(widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
GtkStyle *style=gtk_widget_get_style(widget);
int state = gtk_widget_get_state(widget);
int border = 0;
/* update paint flags depending of states */
int flags = DTGTK_ICON(widget)->icon_flags;
/* begin cairo drawing */
cairo_t *cr;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
cr = gdk_cairo_create (gtk_widget_get_window(widget));
int x = allocation.x;
int y = allocation.y;
int width = allocation.width;
int height = allocation.height;
/*
cairo_rectangle (cr,x,y,width,height);
cairo_set_source_rgba (cr,
style->bg[state].red/65535.0,
style->bg[state].green/65535.0,
style->bg[state].blue/65535.0,
0.5);
cairo_fill (cr);
*/
cairo_set_source_rgb (cr,
style->fg[state].red/65535.0,
style->fg[state].green/65535.0,
style->fg[state].blue/65535.0);
/* draw icon */
if (DTGTK_ICON(widget)->icon)
DTGTK_ICON(widget)->icon(cr, x+border, y+border, width-(border*2), height-(border*2), flags);
cairo_destroy (cr);
return FALSE;
}
static gboolean _icon_draw(GtkWidget *widget, cairo_t *cr)
{
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(DTGTK_IS_ICON(widget), FALSE);
/* begin cairo drawing */
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
GtkStateFlags state = gtk_widget_get_state_flags(widget);
GdkRGBA fg_color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gtk_style_context_get_color(context, state, &fg_color);
gdk_cairo_set_source_rgba(cr, &fg_color);
/* draw icon */
if(DTGTK_ICON(widget)->icon)
DTGTK_ICON(widget)->icon(cr, 0, 0, allocation.width, allocation.height, DTGTK_ICON(widget)->icon_flags);
return FALSE;
}