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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.
*/
#include "CopyPaste.h"
#include "ColorObject.h"
#include "ColorList.h"
#include "GlobalState.h"
#include "Converter.h"
#include <gtk/gtk.h>
#include <string.h>
#include <string>
using namespace std;
enum {
TARGET_STRING = 1,
TARGET_ROOTWIN,
TARGET_COLOR,
TARGET_COLOR_OBJECT,
};
static GtkTargetEntry targets[] = {
//{ (char*)"colorobject", GTK_TARGET_SAME_APP, TARGET_COLOR_OBJECT },
{ (char*)"application/x-color", 0, TARGET_COLOR },
{ (char*)"text/plain", 0, TARGET_STRING },
{ (char*)"STRING", 0, TARGET_STRING },
//{ (char*)"application/x-rootwin-drop", 0, TARGET_ROOTWIN }
};
static guint n_targets = G_N_ELEMENTS (targets);
typedef struct CopyPasteArgs{
ColorObject* color_object;
GlobalState* gs;
}CopyPasteArgs;
static void clipboard_get(GtkClipboard *clipboard, GtkSelectionData *selection_data, guint target_type, CopyPasteArgs* args){
g_assert(selection_data != nullptr);
Color color;
switch (target_type){
case TARGET_COLOR_OBJECT:
gtk_selection_data_set (selection_data, gdk_atom_intern ("colorobject", false), 8, (guchar *)&args->color_object, sizeof(ColorObject*));
break;
case TARGET_STRING:
{
string text;
converter_get_text(args->color_object, ConverterArrayType::copy, args->gs, text);
gtk_selection_data_set_text(selection_data, text.c_str(), text.length() + 1);
}
break;
case TARGET_COLOR:
{
color = args->color_object->getColor();
guint16 data_color[4];
data_color[0] = int(color.rgb.red * 0xFFFF);
data_color[1] = int(color.rgb.green * 0xFFFF);
data_color[2] = int(color.rgb.blue * 0xFFFF);
data_color[3] = 0xffff;
gtk_selection_data_set (selection_data, gdk_atom_intern ("application/x-color", false), 16, (guchar *)data_color, 8);
}
break;
case TARGET_ROOTWIN:
g_print ("Dropped on the root window!\n");
break;
default:
g_assert_not_reached ();
}
}
static void clipboard_clear(GtkClipboard *clipboard, CopyPasteArgs* args){
args->color_object->release();
delete args;
}
int copypaste_set_color_object(ColorObject* color_object, GlobalState* gs){
CopyPasteArgs* args = new CopyPasteArgs;
args->color_object = color_object->reference();
args->gs = gs;
if (gtk_clipboard_set_with_data(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), targets, n_targets,
(GtkClipboardGetFunc)clipboard_get, (GtkClipboardClearFunc)clipboard_clear, args)){
return 0;
}
return -1;
}
int copypaste_get_color_object(ColorObject** out_color_object, GlobalState* gs){
GdkAtom *avail_targets;
gint avail_n_targets;
GtkClipboard *clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
if (gtk_clipboard_wait_for_targets(clipboard, &avail_targets, &avail_n_targets)){
for (uint32_t j = 0; j < n_targets; ++j){
for (int32_t i = 0; i < avail_n_targets; ++i){
gchar* atom_name = gdk_atom_name(avail_targets[i]);
if (g_strcmp0(targets[j].target, atom_name) == 0){
GtkSelectionData *selection_data = gtk_clipboard_wait_for_contents(clipboard, avail_targets[i]);
bool success = false;
if (selection_data){
switch (targets[j].info){
case TARGET_COLOR_OBJECT:
{
ColorObject* color_object;
memcpy(&color_object, gtk_selection_data_get_data(selection_data), sizeof(ColorObject*));
*out_color_object = color_object;
success = true;
}
break;
case TARGET_STRING:
{
gchar* data = (gchar*)gtk_selection_data_get_data(selection_data);
if (data[gtk_selection_data_get_length(selection_data)] != 0) break; //not null terminated
ColorObject* color_object;
if (converter_get_color_object(data, gs, &color_object)){
*out_color_object = color_object;
success = true;
}
}
break;
case TARGET_COLOR:
{
guint16* data = (guint16*)gtk_selection_data_get_data(selection_data);
Color color;
color.rgb.red = data[0] / (double)0xFFFF;
color.rgb.green = data[1] / (double)0xFFFF;
color.rgb.blue = data[2] / (double)0xFFFF;
ColorObject* color_object = color_list_new_color_object(gs->getColorList(), &color);
*out_color_object = color_object;
success = true;
}
break;
default:
g_assert_not_reached ();
}
}
if (success){
g_free(atom_name);
g_free(avail_targets);
return 0;
}
}
g_free(atom_name);
}
}
g_free(avail_targets);
}
return -1;
}
int copypaste_is_color_object_available(GlobalState* gs){
GdkAtom *avail_targets;
gint avail_n_targets;
if (gtk_clipboard_wait_for_targets(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), &avail_targets, &avail_n_targets)){
for (uint32_t j = 0; j < n_targets; ++j){
for (int32_t i = 0; i < avail_n_targets; ++i){
gchar* atom_name = gdk_atom_name(avail_targets[i]);
if (g_strcmp0(targets[j].target, atom_name) == 0){
g_free(atom_name);
g_free(avail_targets);
return 0;
}
g_free(atom_name);
}
}
g_free(avail_targets);
}
return -1;
}
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