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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* gdl-dock-item-button-image.c
*
* Author: Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gdl-dock-item-button-image.h"
#include <math.h>
#define ICON_SIZE 12
G_DEFINE_TYPE (GdlDockItemButtonImage,
gdl_dock_item_button_image,
GTK_TYPE_WIDGET);
static gint
gdl_dock_item_button_image_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GdlDockItemButtonImage *button_image;
GtkStyle *style;
GdkColor *color;
g_return_val_if_fail (widget != NULL, 0);
button_image = GDL_DOCK_ITEM_BUTTON_IMAGE (widget);
cairo_t *cr = gdk_cairo_create (event->window);
cairo_translate (cr, event->area.x, event->area.y);
/* Set up the pen */
cairo_set_line_width(cr, 1.0);
style = gtk_widget_get_style (widget);
g_return_val_if_fail (style != NULL, 0);
color = &style->fg[GTK_STATE_NORMAL];
cairo_set_source_rgba(cr, color->red / 65535.0,
color->green / 65535.0, color->blue / 65535.0, 0.55);
/* Draw the icon border */
cairo_move_to (cr, 10.5, 2.5);
cairo_arc (cr, 10.5, 4.5, 2, -0.5 * M_PI, 0);
cairo_line_to (cr, 12.5, 10.5);
cairo_arc (cr, 10.5, 10.5, 2, 0, 0.5 * M_PI);
cairo_line_to (cr, 4.5, 12.5);
cairo_arc (cr, 4.5, 10.5, 2, 0.5 * M_PI, M_PI);
cairo_line_to (cr, 2.5, 4.5);
cairo_arc (cr, 4.5, 4.5, 2, M_PI, 1.5 * M_PI);
cairo_close_path (cr);
cairo_stroke (cr);
/* Draw the icon */
cairo_new_path (cr);
switch(button_image->image_type) {
case GDL_DOCK_ITEM_BUTTON_IMAGE_CLOSE:
cairo_move_to (cr, 4.0, 5.5);
cairo_line_to (cr, 4.0, 5.5);
cairo_line_to (cr, 6.0, 7.5);
cairo_line_to (cr, 4.0, 9.5);
cairo_line_to (cr, 5.5, 11.0);
cairo_line_to (cr, 7.5, 9.0);
cairo_line_to (cr, 9.5, 11.0);
cairo_line_to (cr, 11.0, 9.5);
cairo_line_to (cr, 9.0, 7.5);
cairo_line_to (cr, 11.0, 5.5);
cairo_line_to (cr, 9.5, 4.0);
cairo_line_to (cr, 7.5, 6.0);
cairo_line_to (cr, 5.5, 4.0);
cairo_close_path (cr);
break;
case GDL_DOCK_ITEM_BUTTON_IMAGE_ICONIFY:
if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL) {
cairo_move_to (cr, 4.5, 7.5);
cairo_line_to (cr, 10.0, 4.75);
cairo_line_to (cr, 10.0, 10.25);
cairo_close_path (cr);
} else {
cairo_move_to (cr, 10.5, 7.5);
cairo_line_to (cr, 5, 4.75);
cairo_line_to (cr, 5, 10.25);
cairo_close_path (cr);
}
break;
default:
break;
}
cairo_fill (cr);
/* Finish up */
cairo_destroy (cr);
return 0;
}
static void
gdl_dock_item_button_image_init (
GdlDockItemButtonImage *button_image)
{
gtk_widget_set_has_window (GTK_WIDGET (button_image), FALSE);
}
static void
gdl_dock_item_button_image_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
g_return_if_fail (GDL_IS_DOCK_ITEM_BUTTON_IMAGE (widget));
g_return_if_fail (requisition != NULL);
requisition->width = ICON_SIZE;
requisition->height = ICON_SIZE;
}
static void
gdl_dock_item_button_image_class_init (
GdlDockItemButtonImageClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->expose_event =
gdl_dock_item_button_image_expose;
widget_class->size_request =
gdl_dock_item_button_image_size_request;
}
/* ----- Public interface ----- */
/**
* gdl_dock_item_button_image_new:
* @image_type: Specifies what type of image the widget should
* display
*
* Creates a new GDL dock button image object.
* Returns: The newly created dock item button image widget.
**/
GtkWidget*
gdl_dock_item_button_image_new (GdlDockItemButtonImageType image_type)
{
GdlDockItemButtonImage *button_image = g_object_new (
GDL_TYPE_DOCK_ITEM_BUTTON_IMAGE, NULL);
button_image->image_type = image_type;
return GTK_WIDGET (button_image);
}
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