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/*
* Copyright (c) 2009-2016, Albertas Vyšniauskas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GPICK_DRAG_DROP_H_
#define GPICK_DRAG_DROP_H_
#include "Converters.h"
#include <gtk/gtk.h>
struct GlobalState;
struct ColorObject;
enum DragDropFlags {
DRAGDROP_SOURCE = 1 << 1,
DRAGDROP_DESTINATION = 1 << 2,
};
struct DragDrop {
GtkWidget *widget;
void *userdata;
ColorObject *(*get_color_object)(DragDrop *dd);
int (*set_color_object_at)(DragDrop *dd, ColorObject *colorobject, int x, int y, bool move, bool sameWidget);
ColorObject **(*get_color_object_list)(DragDrop *dd, size_t *colorobject_n);
int (*set_color_object_list_at)(DragDrop *dd, ColorObject **colorobject, size_t colorobject_n, int x, int y, bool move, bool sameWidget);
bool (*test_at)(DragDrop *dd, int x, int y);
bool (*data_delete)(DragDrop *dd, GtkWidget *widget, GdkDragContext *context);
bool (*drag_end)(DragDrop *dd, GtkWidget *widget, GdkDragContext *context);
enum DataType {
DATA_TYPE_NONE,
DATA_TYPE_COLOR_OBJECT,
DATA_TYPE_COLOR_OBJECTS,
};
DataType data_type;
Converters::Type converterType;
union {
struct {
ColorObject *colorObject;
} colorObject;
struct {
ColorObject **colorObjects;
size_t colorObjectCount;
} colorObjects;
} data;
GtkWidget *dragwidget;
GlobalState *gs;
void *userdata2;
};
int dragdrop_init(DragDrop *dd, GlobalState *gs);
int dragdrop_widget_attach(GtkWidget *widget, DragDropFlags flags, DragDrop *dd);
#endif /* GPICK_DRAG_DROP_H_ */
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