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/*
* Copyright (c) 2009-2012, 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 DRAGDROP_H_
#define DRAGDROP_H_
#include <gtk/gtk.h>
#include "ColorObject.h"
#include "GlobalState.h"
enum DragDropFlags{
DRAGDROP_SOURCE = 1<<1,
DRAGDROP_DESTINATION = 1<<2,
};
struct DragDrop{
GtkWidget* widget;
void* userdata;
struct ColorObject* (*get_color_object)(struct DragDrop* dd);
int (*set_color_object_at)(struct DragDrop* dd, struct ColorObject* colorobject, int x, int y, bool move);
struct ColorObject** (*get_color_object_list)(struct DragDrop* dd, uint32_t *colorobject_n);
int (*set_color_object_list_at)(struct DragDrop* dd, struct ColorObject** colorobject, uint32_t colorobject_n, int x, int y, bool move);
bool (*test_at)(struct DragDrop* dd, int x, int y);
bool (*data_received)(struct DragDrop* dd, GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint target_type, guint time);
bool (*data_get)(struct DragDrop* dd, GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint target_type, guint time);
bool (*data_delete)(struct DragDrop* dd, GtkWidget *widget, GdkDragContext *context);
bool (*drag_end)(struct DragDrop* dd, GtkWidget *widget, GdkDragContext *context);
enum DataType{
DATA_TYPE_NONE,
DATA_TYPE_COLOR_OBJECT,
DATA_TYPE_COLOR_OBJECTS,
};
DataType data_type;
union{
struct{
struct ColorObject* color_object;
}color_object;
struct{
struct ColorObject** color_objects;
uint32_t color_object_n;
}color_objects;
}data;
struct dynvHandlerMap* handler_map;
GtkWidget* dragwidget;
GlobalState *gs;
void* userdata2;
};
int dragdrop_init(struct DragDrop* dd, GlobalState *gs);
int dragdrop_widget_attach(GtkWidget* widget, DragDropFlags flags, struct DragDrop *dd);
#endif /* DRAGDROP_H_ */
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