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https://github.com/scummvm/scummvm.git
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112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/ultima4/controllers/read_string_controller.h"
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#include "ultima/ultima4/game/context.h"
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#include "ultima/ultima4/gfx/screen.h"
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namespace Ultima {
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namespace Ultima4 {
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ReadStringController::ReadStringController(int maxlen, int screenX, int screenY,
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const Common::String &accepted_chars) : WaitableController<Common::String>("") {
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_maxLen = maxlen;
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_screenX = screenX;
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_screenY = screenY;
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_view = nullptr;
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_accepted = accepted_chars;
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}
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ReadStringController::ReadStringController(int maxlen, TextView *view,
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const Common::String &accepted_chars) : WaitableController<Common::String>("") {
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_maxLen = maxlen;
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_screenX = view->getCursorX();
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_screenY = view->getCursorY();
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_view = view;
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_accepted = accepted_chars;
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}
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bool ReadStringController::keyPressed(int key) {
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int valid = true, len = _value.size();
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size_t pos = Common::String::npos;
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if (key < 0x80)
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pos = _accepted.findFirstOf(key);
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if (pos != Common::String::npos) {
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if (key == Common::KEYCODE_BACKSPACE) {
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if (len > 0) {
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/* remove the last character */
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_value.erase(len - 1, 1);
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if (_view) {
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_view->textAt(_screenX + len - 1, _screenY, " ");
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_view->setCursorPos(_screenX + len - 1, _screenY, true);
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} else {
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g_screen->screenHideCursor();
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g_screen->screenTextAt(_screenX + len - 1, _screenY, " ");
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g_screen->screenSetCursorPos(_screenX + len - 1, _screenY);
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g_screen->screenShowCursor();
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}
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}
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} else if (key == '\n' || key == '\r') {
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doneWaiting();
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} else if (len < _maxLen) {
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/* add a character to the end */
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_value += key;
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if (_view) {
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_view->textAt(_screenX + len, _screenY, "%c", key);
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} else {
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g_screen->screenHideCursor();
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g_screen->screenTextAt(_screenX + len, _screenY, "%c", key);
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g_screen->screenSetCursorPos(_screenX + len + 1, _screenY);
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g_context->_col = len + 1;
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g_screen->screenShowCursor();
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}
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}
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} else {
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valid = false;
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}
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return valid || KeyHandler::defaultHandler(key, nullptr);
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}
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Common::String ReadStringController::get(int maxlen, int screenX, int screenY, EventHandler *eh) {
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if (!eh)
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eh = eventHandler;
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ReadStringController ctrl(maxlen, screenX, screenY);
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eh->pushController(&ctrl);
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return ctrl.waitFor();
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}
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Common::String ReadStringController::get(int maxlen, TextView *view, EventHandler *eh) {
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if (!eh)
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eh = eventHandler;
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ReadStringController ctrl(maxlen, view);
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eh->pushController(&ctrl);
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return ctrl.waitFor();
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}
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} // End of namespace Ultima4
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} // End of namespace Ultima
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