1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "ultima/ultima4/controllers/read_choice_controller.h"
24 
25 namespace Ultima {
26 namespace Ultima4 {
27 
28 
ReadChoiceController(const Common::String & choices)29 ReadChoiceController::ReadChoiceController(const Common::String &choices) :
30 		WaitableController<int>(-1) {
31 	_choices = choices;
32 }
33 
keyPressed(int key)34 bool ReadChoiceController::keyPressed(int key) {
35 	// Common::isUpper() accepts 1-byte characters, yet the modifier keys
36 	// (ALT, SHIFT, ETC) produce values beyond 255
37 	if ((key <= 0x7F) && (Common::isUpper(key)))
38 		key = tolower(key);
39 
40 	_value = key;
41 
42 	if (_choices.empty() || _choices.findFirstOf(_value) < _choices.size()) {
43 		// If the value is printable, display it
44 		if (!Common::isSpace(key))
45 			g_screen->screenMessage("%c", toupper(key));
46 		doneWaiting();
47 		return true;
48 	}
49 
50 	return false;
51 }
52 
keybinder(KeybindingAction action)53 void ReadChoiceController::keybinder(KeybindingAction action) {
54 	if (action == KEYBIND_ESCAPE && _choices.contains('\x1B')) {
55 		_value = 27;
56 		doneWaiting();
57 	} else {
58 		WaitableController<int>::keybinder(action);
59 	}
60 }
61 
62 
get(const Common::String & choices,EventHandler * eh)63 char ReadChoiceController::get(const Common::String &choices, EventHandler *eh) {
64 	if (!eh)
65 		eh = eventHandler;
66 
67 	ReadChoiceController ctrl(choices);
68 	eh->pushController(&ctrl);
69 	return ctrl.waitFor();
70 }
71 
72 } // End of namespace Ultima4
73 } // End of namespace Ultima
74