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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* tztoolpalette.c, based on gimptoolpalette.c
* Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
* Copyright (C) 2012 Alex Merry <alex.merry@kdemail.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include "tztoolpalette.h"
#define DEFAULT_TOOL_ICON_SIZE GTK_ICON_SIZE_BUTTON
#define DEFAULT_BUTTON_RELIEF GTK_RELIEF_NONE
#define TOOL_BUTTON_DATA_KEY "tz-tool-palette-item"
#define TOOL_INFO_DATA_KEY "tz-tool-info"
typedef struct _TzToolPalettePrivate TzToolPalettePrivate;
struct _TzToolPalettePrivate
{
gint tool_rows;
gint tool_columns;
};
#define GET_PRIVATE(p) G_TYPE_INSTANCE_GET_PRIVATE (p, \
TZ_TYPE_TOOL_PALETTE, \
TzToolPalettePrivate)
static void tz_tool_palette_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
G_DEFINE_TYPE (TzToolPalette, tz_tool_palette, GTK_TYPE_TOOL_PALETTE)
#define parent_class tz_tool_palette_parent_class
static void
tz_tool_palette_class_init (TzToolPaletteClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->size_allocate = tz_tool_palette_size_allocate;
g_type_class_add_private (klass, sizeof (TzToolPalettePrivate));
}
static void
tz_tool_palette_init (TzToolPalette *palette)
{
}
static GtkToolItemGroup *
tz_tool_palette_tool_group (TzToolPalette *palette)
{
GList *children;
GtkToolItemGroup *group;
children = gtk_container_get_children (GTK_CONTAINER (palette));
g_return_val_if_fail (children, NULL);
group = GTK_TOOL_ITEM_GROUP (children->data);
g_list_free (children);
return group;
}
gboolean
tz_tool_palette_get_button_size (TzToolPalette *palette,
gint *width,
gint *height)
{
g_return_val_if_fail (width || height, FALSE);
GtkToolItemGroup *group = tz_tool_palette_tool_group (palette);
g_return_val_if_fail (group, FALSE);
guint tool_count = gtk_tool_item_group_get_n_items (group);
if (tool_count > 0)
{
GtkWidget *tool_button;
GtkRequisition button_requisition;
tool_button = GTK_WIDGET (gtk_tool_item_group_get_nth_item (group, 0));
gtk_widget_size_request (tool_button, &button_requisition);
if (width)
*width = button_requisition.width;
if (height)
*height = button_requisition.height;
return TRUE;
}
return FALSE;
}
static void
tz_tool_palette_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
TzToolPalettePrivate *private = GET_PRIVATE (widget);
GtkToolItemGroup *group = tz_tool_palette_tool_group (TZ_TOOL_PALETTE (widget));
g_return_if_fail (group);
GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
guint tool_count = gtk_tool_item_group_get_n_items (group);
if (tool_count > 0)
{
GtkWidget *tool_button;
GtkRequisition button_requisition;
gint tool_rows;
gint tool_columns;
tool_button = GTK_WIDGET (gtk_tool_item_group_get_nth_item (group, 0));
gtk_widget_size_request (tool_button, &button_requisition);
tool_columns = MAX (1, (allocation->width / button_requisition.width));
tool_rows = tool_count / tool_columns;
if (tool_count % tool_columns)
tool_rows++;
if (private->tool_rows != tool_rows ||
private->tool_columns != tool_columns)
{
private->tool_rows = tool_rows;
private->tool_columns = tool_columns;
gtk_widget_set_size_request (widget, -1,
tool_rows * button_requisition.height);
}
}
}
GtkWidget *
tz_tool_palette_new (void)
{
return g_object_new (TZ_TYPE_TOOL_PALETTE, NULL);
}
// vim:ft=objc:ts=8:et:sts=2:sw=2:foldmethod=marker
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