PIKApp/libpika/pikapaletteselectbutton.c

156 lines
4.5 KiB
C

/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* pikapaletteselectbutton.c
* Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 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 Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "pika.h"
#include "pikauitypes.h"
#include "pikapaletteselectbutton.h"
#include "pikauimarshal.h"
#include "libpika-intl.h"
/**
* SECTION: pikapaletteselectbutton
* @title: PikaPaletteSelectButton
* @short_description: A button which pops up a palette selection dialog.
*
* A button which pops up a palette selection dialog.
**/
struct _PikaPaletteSelectButton
{
PikaResourceSelectButton parent_instance;
GtkWidget *label;
GtkWidget *button;
};
static void pika_palette_select_button_draw_interior (PikaResourceSelectButton *self);
static const GtkTargetEntry drag_target = { "application/x-pika-palette-name", 0, 0 };
G_DEFINE_FINAL_TYPE (PikaPaletteSelectButton,
pika_palette_select_button,
PIKA_TYPE_RESOURCE_SELECT_BUTTON)
static void
pika_palette_select_button_class_init (PikaPaletteSelectButtonClass *klass)
{
PikaResourceSelectButtonClass *superclass = PIKA_RESOURCE_SELECT_BUTTON_CLASS (klass);
superclass->draw_interior = pika_palette_select_button_draw_interior;
superclass->resource_type = PIKA_TYPE_PALETTE;
}
static void
pika_palette_select_button_init (PikaPaletteSelectButton *self)
{
GtkWidget *hbox;
GtkWidget *image;
self->button = gtk_button_new ();
gtk_container_add (GTK_CONTAINER (self), self->button);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_container_add (GTK_CONTAINER (self->button), hbox);
image = gtk_image_new_from_icon_name (PIKA_ICON_PALETTE,
GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
self->label = gtk_label_new ("unknown");
gtk_box_pack_start (GTK_BOX (hbox), self->label, TRUE, TRUE, 4);
gtk_widget_show_all (GTK_WIDGET (self));
pika_resource_select_button_set_drag_target (PIKA_RESOURCE_SELECT_BUTTON (self),
hbox,
&drag_target);
pika_resource_select_button_set_clickable (PIKA_RESOURCE_SELECT_BUTTON (self),
self->button);
}
static void
pika_palette_select_button_draw_interior (PikaResourceSelectButton *self)
{
PikaPaletteSelectButton *palette_select= PIKA_PALETTE_SELECT_BUTTON (self);
PikaResource *resource;
gchar *name = NULL;
resource = pika_resource_select_button_get_resource (self);
if (resource)
name = pika_resource_get_name (resource);
gtk_label_set_text (GTK_LABEL (palette_select->label), name);
}
/**
* pika_palette_select_button_new:
* @title: (nullable): Title of the dialog to use or %NULL to use the default title.
* @resource: (nullable): Initial palette.
*
* Creates a new #GtkWidget that lets a user choose a palette.
* You can put this widget in a table in a plug-in dialog.
*
* When palette is NULL, initial choice is from context.
*
* Returns: A #GtkWidget that you can use in your UI.
*
* Since: 2.4
*/
GtkWidget *
pika_palette_select_button_new (const gchar *title,
PikaResource *resource)
{
GtkWidget *self;
if (resource == NULL)
resource = PIKA_RESOURCE (pika_context_get_palette ());
if (title)
self = g_object_new (PIKA_TYPE_PALETTE_SELECT_BUTTON,
"title", title,
"resource", resource,
NULL);
else
self = g_object_new (PIKA_TYPE_PALETTE_SELECT_BUTTON,
"resource", resource,
NULL);
pika_palette_select_button_draw_interior (PIKA_RESOURCE_SELECT_BUTTON (self));
return self;
}