scummvm/engines/ultima/nuvie/gui/gui_drag_manager.cpp
2020-02-01 13:13:51 -08:00

91 lines
2.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "ultima/nuvie/core/nuvie_defs.h"
#include "ultima/nuvie/gui/gui_drag_area.h"
#include "ultima/nuvie/gui/gui_drag_manager.h"
#include "ultima/nuvie/core/game.h" // -+- Included so we can set WAIT_MODE while dragging.
#include "ultima/nuvie/core/events.h" // /
#include "ultima/nuvie/gui/widgets/msg_scroll.h"
namespace Ultima {
namespace Nuvie {
GUI_DragManager::GUI_DragManager(Screen *s) {
screen = s;
message = 0;
data = NULL;
drag_source = NULL;
is_out_of_range = false;
}
GUI_status GUI_DragManager::start_drag(GUI_DragArea *src, int msg, void *d, unsigned char *icon_buf, uint16 w, uint16 h, uint8 bpp, bool out_of_range) {
DEBUG(0, LEVEL_DEBUGGING, "Start Drag\n");
drag_source = src;
message = msg;
data = d;
is_out_of_range = out_of_range;
//Game::get_game()->get_event()->set_mode(WAIT_MODE);
Game::get_game()->pause_user();
return GUI_DRAG_AND_DROP;
}
void GUI_DragManager::drop(GUI_DragArea *drag_target, int x, int y) {
DEBUG(0, LEVEL_DEBUGGING, "Drop\n");
//Game::get_game()->get_event()->endAction(); // WAIT_MODE
Game::get_game()->unpause_user();
if (is_out_of_range) {
MsgScroll *scroll = Game::get_game()->get_scroll();
scroll->display_string("Move-");
scroll->display_string(Game::get_game()->get_obj_manager()->look_obj((Obj *)data)); // getting obj name
scroll->message(".\n\nOut of range!\n\n");
drag_source->drag_drop_failed(x, y, message, data);
} else if (drag_target->drag_accept_drop(x, y, message, data)) {
//inform the source of the success so it can perform operations before the drop takes place.
drag_source->drag_drop_success(x, y, message, data);
drag_target->drag_perform_drop(x, y, message, data);
} else
drag_source->drag_drop_failed(x, y, message, data);
drag_source = NULL;
return;
}
void GUI_DragManager::draw(int x, int y) {
if (!drag_source)
return;
drag_source->drag_draw(x, y, message, data);
}
GUI_DragArea *GUI_DragManager::get_source() {
return drag_source;
}
} // End of namespace Nuvie
} // End of namespace Ultima