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/* GTK - The GIMP Toolkit
* Copyright (C) 2024 the GTK team
*
* 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 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
* Lesser 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <AppKit/AppKit.h>
#include "gtkcolorpickerquartzprivate.h"
#include <gio/gio.h>
struct _GtkColorPickerQuartz
{
GObject parent_instance;
NSColorSampler *sampler;
GTask *task;
};
struct _GtkColorPickerQuartzClass
{
GObjectClass parent_class;
};
static GInitableIface *initable_parent_iface;
static void gtk_color_picker_quartz_initable_iface_init (GInitableIface *iface);
static void gtk_color_picker_quartz_iface_init (GtkColorPickerInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkColorPickerQuartz, gtk_color_picker_quartz, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, gtk_color_picker_quartz_initable_iface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_PICKER, gtk_color_picker_quartz_iface_init))
static gboolean
gtk_color_picker_quartz_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
GtkColorPickerQuartz *picker = GTK_COLOR_PICKER_QUARTZ (initable);
picker->sampler = [[NSColorSampler alloc] init];
return TRUE;
}
static void
gtk_color_picker_quartz_initable_iface_init (GInitableIface *iface)
{
initable_parent_iface = g_type_interface_peek_parent (iface);
iface->init = gtk_color_picker_quartz_initable_init;
}
static void
gtk_color_picker_quartz_init (GtkColorPickerQuartz *picker)
{
}
static void
gtk_color_picker_quartz_finalize (GObject *object)
{
GtkColorPickerQuartz *picker = GTK_COLOR_PICKER_QUARTZ (object);
g_clear_object (&picker->task);
if (picker->sampler != NULL)
{
[picker->sampler release];
picker->sampler = NULL;
}
G_OBJECT_CLASS (gtk_color_picker_quartz_parent_class)->finalize (object);
}
static void
gtk_color_picker_quartz_class_init (GtkColorPickerQuartzClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = gtk_color_picker_quartz_finalize;
}
GtkColorPicker *
gtk_color_picker_quartz_new (void)
{
return GTK_COLOR_PICKER (g_initable_new (GTK_TYPE_COLOR_PICKER_QUARTZ, NULL, NULL, NULL));
}
static void
gtk_color_picker_quartz_pick (GtkColorPicker *cp,
GAsyncReadyCallback callback,
gpointer user_data)
{
GtkColorPickerQuartz *picker = GTK_COLOR_PICKER_QUARTZ (cp);
if (picker->task)
return;
picker->task = g_task_new (picker, NULL, callback, user_data);
[picker->sampler showSamplerWithSelectionHandler:^(NSColor *selectedColor) {
if (selectedColor == NULL)
{
g_task_return_new_error (picker->task,
G_IO_ERROR,
G_IO_ERROR_FAILED,
"No color received");
}
else
{
GdkRGBA rgba = (GdkRGBA){
[selectedColor redComponent],
[selectedColor greenComponent],
[selectedColor blueComponent],
[selectedColor alphaComponent],
};
g_task_return_pointer (picker->task,
gdk_rgba_copy (&rgba),
(GDestroyNotify) gdk_rgba_free);
}
g_clear_object (&picker->task);
}];
}
static GdkRGBA *
gtk_color_picker_quartz_pick_finish (GtkColorPicker *cp,
GAsyncResult *res,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (res, cp), NULL);
return g_task_propagate_pointer (G_TASK (res), error);
}
static void
gtk_color_picker_quartz_iface_init (GtkColorPickerInterface *iface)
{
iface->pick = gtk_color_picker_quartz_pick;
iface->pick_finish = gtk_color_picker_quartz_pick_finish;
}
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