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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "ultima/ultima4/controllers/read_string_controller.h"
#include "ultima/ultima4/game/context.h"
#include "ultima/ultima4/gfx/screen.h"
namespace Ultima {
namespace Ultima4 {
ReadStringController::ReadStringController(int maxlen, int screenX, int screenY,
const Common::String &accepted_chars) : WaitableController<Common::String>("") {
_maxLen = maxlen;
_screenX = screenX;
_screenY = screenY;
_view = nullptr;
_accepted = accepted_chars;
}
ReadStringController::ReadStringController(int maxlen, TextView *view,
const Common::String &accepted_chars) : WaitableController<Common::String>("") {
_maxLen = maxlen;
_screenX = view->getCursorX();
_screenY = view->getCursorY();
_view = view;
_accepted = accepted_chars;
}
bool ReadStringController::keyPressed(int key) {
int valid = true, len = _value.size();
size_t pos = Common::String::npos;
if (key < 0x80)
pos = _accepted.findFirstOf(key);
if (pos != Common::String::npos) {
if (key == Common::KEYCODE_BACKSPACE) {
if (len > 0) {
/* remove the last character */
_value.erase(len - 1, 1);
if (_view) {
_view->textAt(_screenX + len - 1, _screenY, " ");
_view->setCursorPos(_screenX + len - 1, _screenY, true);
} else {
g_screen->screenHideCursor();
g_screen->screenTextAt(_screenX + len - 1, _screenY, " ");
g_screen->screenSetCursorPos(_screenX + len - 1, _screenY);
g_screen->screenShowCursor();
}
}
} else if (key == '\n' || key == '\r') {
doneWaiting();
} else if (len < _maxLen) {
/* add a character to the end */
_value += key;
if (_view) {
_view->textAt(_screenX + len, _screenY, "%c", key);
} else {
g_screen->screenHideCursor();
g_screen->screenTextAt(_screenX + len, _screenY, "%c", key);
g_screen->screenSetCursorPos(_screenX + len + 1, _screenY);
g_context->_col = len + 1;
g_screen->screenShowCursor();
}
}
} else {
valid = false;
}
return valid || KeyHandler::defaultHandler(key, nullptr);
}
Common::String ReadStringController::get(int maxlen, int screenX, int screenY, EventHandler *eh) {
if (!eh)
eh = eventHandler;
ReadStringController ctrl(maxlen, screenX, screenY);
eh->pushController(&ctrl);
return ctrl.waitFor();
}
Common::String ReadStringController::get(int maxlen, TextView *view, EventHandler *eh) {
if (!eh)
eh = eventHandler;
ReadStringController ctrl(maxlen, view);
eh->pushController(&ctrl);
return ctrl.waitFor();
}
} // End of namespace Ultima4
} // End of namespace Ultima
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