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Diffstat (limited to 'backends/common/virtual-keyboard.h')
| -rw-r--r-- | backends/common/virtual-keyboard.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/backends/common/virtual-keyboard.h b/backends/common/virtual-keyboard.h new file mode 100644 index 0000000000..b41f346989 --- /dev/null +++ b/backends/common/virtual-keyboard.h @@ -0,0 +1,147 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef GUI_VIRTUAL_KEYBOARD_H +#define GUI_VIRTUAL_KEYBOARD_H + +class OSystem; + +#include "common/events.h" +#include "common/hashmap.h" +#include "common/hash-str.h" +#include "common/image-map.h" +#include "common/keyboard.h" +#include "common/str.h" +#include "graphics/surface.h" + +namespace GUI { + +class VirtualKeyboardParser; + + + +class VirtualKeyboard { + + /** Type of key event */ + enum EventType { + kEventKey, + kEventSwitchMode, + kEventClose, + + kEventMax + }; + + struct Event { + Common::String name; + EventType type; + void *data; + }; + + typedef Common::HashMap<Common::String, Event, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> EventMap; + + struct Mode { + Common::String name; + Common::String resolution; + Common::String bitmapName; + Graphics::Surface *image; + Common::ImageMap imageMap; + EventMap events; + Mode() : image(0) {} + }; + + typedef Common::HashMap<Common::String, Mode, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> ModeMap; + + enum HorizontalAlignment { + kAlignLeft, + kAlignCentre, + kAlignRight + }; + + enum VerticalAlignment { + kAlignTop, + kAlignMiddle, + kAlignBottom + }; + +public: + VirtualKeyboard(); + virtual ~VirtualKeyboard(); + + bool loadKeyboardPack(Common::String packName); + void show(); + void hide(); + bool isDisplaying() { + return _displaying; + } + bool isLoaded() { + return _loaded; + } + + /** + * Get the next virtual key event in the event queue. + * @param event point to an Event struct, which will be filled with the event data. + * @return true if an event was retrieved. + */ + bool pollEvent(Common::Event &event); + +private: + OSystem *_system; + + friend class VirtualKeyboardParser; + VirtualKeyboardParser *_parser; + + // TODO : sort order of all this stuff + void reset(); + void reposition(); + void switchMode(Mode *newMode); + void switchMode(const Common::String& newMode); + void processClick(int16 x, int16 y); + void runLoop(); + void redraw(); + + bool _loaded; + bool _displaying; + bool _needRedraw; + + ModeMap _modes; + Mode *_initialMode; + Mode *_currentMode; + + Common::Point _pos; + HorizontalAlignment _hAlignment; + VerticalAlignment _vAlignment; + + Common::Point _mouseDown; + + Common::Array<Common::KeyState> _keyQueue; + Common::KeyState *_keyDown; + +}; + + +} // End of namespace GUI + + +#endif |
