diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowskeymapper.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowskeymapper.cpp | 1075 |
1 files changed, 1075 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowskeymapper.cpp b/src/plugins/platforms/windows/qwindowskeymapper.cpp new file mode 100644 index 0000000000..40613ea1f1 --- /dev/null +++ b/src/plugins/platforms/windows/qwindowskeymapper.cpp @@ -0,0 +1,1075 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwindowskeymapper.h" +#include "qwindowscontext.h" +#include "qwindowswindow.h" +#include "qwindowsguieventdispatcher.h" + +#include <QtGui/QWindow> +#include <QtGui/QWindowSystemInterface> +#include <QtGui/QKeyEvent> + +QT_BEGIN_NAMESPACE + +/*! + \class QWindowsKeyMapper + \brief Translates Windows keys to QWindowSystemInterface events. + \ingroup qt-lighthouse-win + + In addition, handles some special keys to display system menus, etc. + The code originates from \c qkeymapper_win.cpp. +*/ + +QWindowsKeyMapper::QWindowsKeyMapper() + : m_useRTLExtensions(false), m_keyGrabber(0) +{ + memset(keyLayout, 0, sizeof(keyLayout)); +} + +QWindowsKeyMapper::~QWindowsKeyMapper() +{ + deleteLayouts(); +} + +#ifndef LANG_PASHTO +#define LANG_PASHTO 0x63 +#endif +#ifndef LANG_SYRIAC +#define LANG_SYRIAC 0x5a +#endif +#ifndef LANG_DIVEHI +#define LANG_DIVEHI 0x65 +#endif +#ifndef VK_OEM_PLUS +#define VK_OEM_PLUS 0xBB +#endif +#ifndef VK_OEM_3 +#define VK_OEM_3 0xC0 +#endif + +// Key recorder ------------------------------------------------------------------------[ start ] -- +struct KeyRecord { + KeyRecord(int c, int a, int s, const QString &t) : code(c), ascii(a), state(s), text(t) {} + KeyRecord() {} + + int code; + int ascii; + int state; + QString text; +}; + +static const int QT_MAX_KEY_RECORDINGS = 64; // User has LOTS of fingers... +struct KeyRecorder +{ + KeyRecorder() : nrecs(0) {} + + inline KeyRecord *findKey(int code, bool remove); + inline void storeKey(int code, int ascii, int state, const QString& text); + inline void clearKeys(); + + int nrecs; + KeyRecord deleted_record; // A copy of last entry removed from records[] + KeyRecord records[QT_MAX_KEY_RECORDINGS]; +}; +static KeyRecorder key_recorder; + +KeyRecord *KeyRecorder::findKey(int code, bool remove) +{ + KeyRecord *result = 0; + for (int i = 0; i < nrecs; ++i) { + if (records[i].code == code) { + if (remove) { + deleted_record = records[i]; + // Move rest down, and decrease count + while (i + 1 < nrecs) { + records[i] = records[i + 1]; + ++i; + } + --nrecs; + result = &deleted_record; + } else { + result = &records[i]; + } + break; + } + } + return result; +} + +void KeyRecorder::storeKey(int code, int ascii, int state, const QString& text) +{ + Q_ASSERT_X(nrecs != QT_MAX_KEY_RECORDINGS, + "Internal KeyRecorder", + "Keyboard recorder buffer overflow, consider increasing QT_MAX_KEY_RECORDINGS"); + + if (nrecs == QT_MAX_KEY_RECORDINGS) { + qWarning("Qt: Internal keyboard buffer overflow"); + return; + } + records[nrecs++] = KeyRecord(code,ascii,state,text); +} + +void KeyRecorder::clearKeys() +{ + nrecs = 0; +} +// Key recorder --------------------------------------------------------------------------[ end ] -- + + +// Key translation ---------------------------------------------------------------------[ start ] -- +// Meaning of values: +// 0 = Character output key, needs keyboard driver mapping +// Key_unknown = Unknown Virtual Key, no translation possible, ignore +static const uint KeyTbl[] = { // Keyboard mapping table + // Dec | Hex | Windows Virtual key + Qt::Key_unknown, // 0 0x00 + Qt::Key_unknown, // 1 0x01 VK_LBUTTON | Left mouse button + Qt::Key_unknown, // 2 0x02 VK_RBUTTON | Right mouse button + Qt::Key_Cancel, // 3 0x03 VK_CANCEL | Control-Break processing + Qt::Key_unknown, // 4 0x04 VK_MBUTTON | Middle mouse button + Qt::Key_unknown, // 5 0x05 VK_XBUTTON1 | X1 mouse button + Qt::Key_unknown, // 6 0x06 VK_XBUTTON2 | X2 mouse button + Qt::Key_unknown, // 7 0x07 -- unassigned -- + Qt::Key_Backspace, // 8 0x08 VK_BACK | BackSpace key + Qt::Key_Tab, // 9 0x09 VK_TAB | Tab key + Qt::Key_unknown, // 10 0x0A -- reserved -- + Qt::Key_unknown, // 11 0x0B -- reserved -- + Qt::Key_Clear, // 12 0x0C VK_CLEAR | Clear key + Qt::Key_Return, // 13 0x0D VK_RETURN | Enter key + Qt::Key_unknown, // 14 0x0E -- unassigned -- + Qt::Key_unknown, // 15 0x0F -- unassigned -- + Qt::Key_Shift, // 16 0x10 VK_SHIFT | Shift key + Qt::Key_Control, // 17 0x11 VK_CONTROL | Ctrl key + Qt::Key_Alt, // 18 0x12 VK_MENU | Alt key + Qt::Key_Pause, // 19 0x13 VK_PAUSE | Pause key + Qt::Key_CapsLock, // 20 0x14 VK_CAPITAL | Caps-Lock + Qt::Key_unknown, // 21 0x15 VK_KANA / VK_HANGUL | IME Kana or Hangul mode + Qt::Key_unknown, // 22 0x16 -- unassigned -- + Qt::Key_unknown, // 23 0x17 VK_JUNJA | IME Junja mode + Qt::Key_unknown, // 24 0x18 VK_FINAL | IME final mode + Qt::Key_unknown, // 25 0x19 VK_HANJA / VK_KANJI | IME Hanja or Kanji mode + Qt::Key_unknown, // 26 0x1A -- unassigned -- + Qt::Key_Escape, // 27 0x1B VK_ESCAPE | Esc key + Qt::Key_unknown, // 28 0x1C VK_CONVERT | IME convert + Qt::Key_unknown, // 29 0x1D VK_NONCONVERT | IME non-convert + Qt::Key_unknown, // 30 0x1E VK_ACCEPT | IME accept + Qt::Key_Mode_switch,// 31 0x1F VK_MODECHANGE | IME mode change request + Qt::Key_Space, // 32 0x20 VK_SPACE | Spacebar + Qt::Key_PageUp, // 33 0x21 VK_PRIOR | Page Up key + Qt::Key_PageDown, // 34 0x22 VK_NEXT | Page Down key + Qt::Key_End, // 35 0x23 VK_END | End key + Qt::Key_Home, // 36 0x24 VK_HOME | Home key + Qt::Key_Left, // 37 0x25 VK_LEFT | Left arrow key + Qt::Key_Up, // 38 0x26 VK_UP | Up arrow key + Qt::Key_Right, // 39 0x27 VK_RIGHT | Right arrow key + Qt::Key_Down, // 40 0x28 VK_DOWN | Down arrow key + Qt::Key_Select, // 41 0x29 VK_SELECT | Select key + Qt::Key_Printer, // 42 0x2A VK_PRINT | Print key + Qt::Key_Execute, // 43 0x2B VK_EXECUTE | Execute key + Qt::Key_Print, // 44 0x2C VK_SNAPSHOT | Print Screen key + Qt::Key_Insert, // 45 0x2D VK_INSERT | Ins key + Qt::Key_Delete, // 46 0x2E VK_DELETE | Del key + Qt::Key_Help, // 47 0x2F VK_HELP | Help key + 0, // 48 0x30 (VK_0) | 0 key + 0, // 49 0x31 (VK_1) | 1 key + 0, // 50 0x32 (VK_2) | 2 key + 0, // 51 0x33 (VK_3) | 3 key + 0, // 52 0x34 (VK_4) | 4 key + 0, // 53 0x35 (VK_5) | 5 key + 0, // 54 0x36 (VK_6) | 6 key + 0, // 55 0x37 (VK_7) | 7 key + 0, // 56 0x38 (VK_8) | 8 key + 0, // 57 0x39 (VK_9) | 9 key + Qt::Key_unknown, // 58 0x3A -- unassigned -- + Qt::Key_unknown, // 59 0x3B -- unassigned -- + Qt::Key_unknown, // 60 0x3C -- unassigned -- + Qt::Key_unknown, // 61 0x3D -- unassigned -- + Qt::Key_unknown, // 62 0x3E -- unassigned -- + Qt::Key_unknown, // 63 0x3F -- unassigned -- + Qt::Key_unknown, // 64 0x40 -- unassigned -- + 0, // 65 0x41 (VK_A) | A key + 0, // 66 0x42 (VK_B) | B key + 0, // 67 0x43 (VK_C) | C key + 0, // 68 0x44 (VK_D) | D key + 0, // 69 0x45 (VK_E) | E key + 0, // 70 0x46 (VK_F) | F key + 0, // 71 0x47 (VK_G) | G key + 0, // 72 0x48 (VK_H) | H key + 0, // 73 0x49 (VK_I) | I key + 0, // 74 0x4A (VK_J) | J key + 0, // 75 0x4B (VK_K) | K key + 0, // 76 0x4C (VK_L) | L key + 0, // 77 0x4D (VK_M) | M key + 0, // 78 0x4E (VK_N) | N key + 0, // 79 0x4F (VK_O) | O key + 0, // 80 0x50 (VK_P) | P key + 0, // 81 0x51 (VK_Q) | Q key + 0, // 82 0x52 (VK_R) | R key + 0, // 83 0x53 (VK_S) | S key + 0, // 84 0x54 (VK_T) | T key + 0, // 85 0x55 (VK_U) | U key + 0, // 86 0x56 (VK_V) | V key + 0, // 87 0x57 (VK_W) | W key + 0, // 88 0x58 (VK_X) | X key + 0, // 89 0x59 (VK_Y) | Y key + 0, // 90 0x5A (VK_Z) | Z key + Qt::Key_Meta, // 91 0x5B VK_LWIN | Left Windows - MS Natural kbd + Qt::Key_Meta, // 92 0x5C VK_RWIN | Right Windows - MS Natural kbd + Qt::Key_Menu, // 93 0x5D VK_APPS | Application key-MS Natural kbd + Qt::Key_unknown, // 94 0x5E -- reserved -- + Qt::Key_Sleep, // 95 0x5F VK_SLEEP + Qt::Key_0, // 96 0x60 VK_NUMPAD0 | Numeric keypad 0 key + Qt::Key_1, // 97 0x61 VK_NUMPAD1 | Numeric keypad 1 key + Qt::Key_2, // 98 0x62 VK_NUMPAD2 | Numeric keypad 2 key + Qt::Key_3, // 99 0x63 VK_NUMPAD3 | Numeric keypad 3 key + Qt::Key_4, // 100 0x64 VK_NUMPAD4 | Numeric keypad 4 key + Qt::Key_5, // 101 0x65 VK_NUMPAD5 | Numeric keypad 5 key + Qt::Key_6, // 102 0x66 VK_NUMPAD6 | Numeric keypad 6 key + Qt::Key_7, // 103 0x67 VK_NUMPAD7 | Numeric keypad 7 key + Qt::Key_8, // 104 0x68 VK_NUMPAD8 | Numeric keypad 8 key + Qt::Key_9, // 105 0x69 VK_NUMPAD9 | Numeric keypad 9 key + Qt::Key_Asterisk, // 106 0x6A VK_MULTIPLY | Multiply key + Qt::Key_Plus, // 107 0x6B VK_ADD | Add key + Qt::Key_Comma, // 108 0x6C VK_SEPARATOR | Separator key + Qt::Key_Minus, // 109 0x6D VK_SUBTRACT | Subtract key + Qt::Key_Period, // 110 0x6E VK_DECIMAL | Decimal key + Qt::Key_Slash, // 111 0x6F VK_DIVIDE | Divide key + Qt::Key_F1, // 112 0x70 VK_F1 | F1 key + Qt::Key_F2, // 113 0x71 VK_F2 | F2 key + Qt::Key_F3, // 114 0x72 VK_F3 | F3 key + Qt::Key_F4, // 115 0x73 VK_F4 | F4 key + Qt::Key_F5, // 116 0x74 VK_F5 | F5 key + Qt::Key_F6, // 117 0x75 VK_F6 | F6 key + Qt::Key_F7, // 118 0x76 VK_F7 | F7 key + Qt::Key_F8, // 119 0x77 VK_F8 | F8 key + Qt::Key_F9, // 120 0x78 VK_F9 | F9 key + Qt::Key_F10, // 121 0x79 VK_F10 | F10 key + Qt::Key_F11, // 122 0x7A VK_F11 | F11 key + Qt::Key_F12, // 123 0x7B VK_F12 | F12 key + Qt::Key_F13, // 124 0x7C VK_F13 | F13 key + Qt::Key_F14, // 125 0x7D VK_F14 | F14 key + Qt::Key_F15, // 126 0x7E VK_F15 | F15 key + Qt::Key_F16, // 127 0x7F VK_F16 | F16 key + Qt::Key_F17, // 128 0x80 VK_F17 | F17 key + Qt::Key_F18, // 129 0x81 VK_F18 | F18 key + Qt::Key_F19, // 130 0x82 VK_F19 | F19 key + Qt::Key_F20, // 131 0x83 VK_F20 | F20 key + Qt::Key_F21, // 132 0x84 VK_F21 | F21 key + Qt::Key_F22, // 133 0x85 VK_F22 | F22 key + Qt::Key_F23, // 134 0x86 VK_F23 | F23 key + Qt::Key_F24, // 135 0x87 VK_F24 | F24 key + Qt::Key_unknown, // 136 0x88 -- unassigned -- + Qt::Key_unknown, // 137 0x89 -- unassigned -- + Qt::Key_unknown, // 138 0x8A -- unassigned -- + Qt::Key_unknown, // 139 0x8B -- unassigned -- + Qt::Key_unknown, // 140 0x8C -- unassigned -- + Qt::Key_unknown, // 141 0x8D -- unassigned -- + Qt::Key_unknown, // 142 0x8E -- unassigned -- + Qt::Key_unknown, // 143 0x8F -- unassigned -- + Qt::Key_NumLock, // 144 0x90 VK_NUMLOCK | Num Lock key + Qt::Key_ScrollLock, // 145 0x91 VK_SCROLL | Scroll Lock key + // Fujitsu/OASYS kbd -------------------- + 0, //Qt::Key_Jisho, // 146 0x92 VK_OEM_FJ_JISHO | 'Dictionary' key / + // VK_OEM_NEC_EQUAL = key on numpad on NEC PC-9800 kbd + Qt::Key_Massyo, // 147 0x93 VK_OEM_FJ_MASSHOU | 'Unregister word' key + Qt::Key_Touroku, // 148 0x94 VK_OEM_FJ_TOUROKU | 'Register word' key + 0, //Qt::Key_Oyayubi_Left,//149 0x95 VK_OEM_FJ_LOYA | 'Left OYAYUBI' key + 0, //Qt::Key_Oyayubi_Right,//150 0x96 VK_OEM_FJ_ROYA | 'Right OYAYUBI' key + Qt::Key_unknown, // 151 0x97 -- unassigned -- + Qt::Key_unknown, // 152 0x98 -- unassigned -- + Qt::Key_unknown, // 153 0x99 -- unassigned -- + Qt::Key_unknown, // 154 0x9A -- unassigned -- + Qt::Key_unknown, // 155 0x9B -- unassigned -- + Qt::Key_unknown, // 156 0x9C -- unassigned -- + Qt::Key_unknown, // 157 0x9D -- unassigned -- + Qt::Key_unknown, // 158 0x9E -- unassigned -- + Qt::Key_unknown, // 159 0x9F -- unassigned -- + Qt::Key_Shift, // 160 0xA0 VK_LSHIFT | Left Shift key + Qt::Key_Shift, // 161 0xA1 VK_RSHIFT | Right Shift key + Qt::Key_Control, // 162 0xA2 VK_LCONTROL | Left Ctrl key + Qt::Key_Control, // 163 0xA3 VK_RCONTROL | Right Ctrl key + Qt::Key_Alt, // 164 0xA4 VK_LMENU | Left Menu key + Qt::Key_Alt, // 165 0xA5 VK_RMENU | Right Menu key + Qt::Key_Back, // 166 0xA6 VK_BROWSER_BACK | Browser Back key + Qt::Key_Forward, // 167 0xA7 VK_BROWSER_FORWARD | Browser Forward key + Qt::Key_Refresh, // 168 0xA8 VK_BROWSER_REFRESH | Browser Refresh key + Qt::Key_Stop, // 169 0xA9 VK_BROWSER_STOP | Browser Stop key + Qt::Key_Search, // 170 0xAA VK_BROWSER_SEARCH | Browser Search key + Qt::Key_Favorites, // 171 0xAB VK_BROWSER_FAVORITES| Browser Favorites key + Qt::Key_HomePage, // 172 0xAC VK_BROWSER_HOME | Browser Start and Home key + Qt::Key_VolumeMute, // 173 0xAD VK_VOLUME_MUTE | Volume Mute key + Qt::Key_VolumeDown, // 174 0xAE VK_VOLUME_DOWN | Volume Down key + Qt::Key_VolumeUp, // 175 0xAF VK_VOLUME_UP | Volume Up key + Qt::Key_MediaNext, // 176 0xB0 VK_MEDIA_NEXT_TRACK | Next Track key + Qt::Key_MediaPrevious, //177 0xB1 VK_MEDIA_PREV_TRACK | Previous Track key + Qt::Key_MediaStop, // 178 0xB2 VK_MEDIA_STOP | Stop Media key + Qt::Key_MediaPlay, // 179 0xB3 VK_MEDIA_PLAY_PAUSE | Play/Pause Media key + Qt::Key_LaunchMail, // 180 0xB4 VK_LAUNCH_MAIL | Start Mail key + Qt::Key_LaunchMedia,// 181 0xB5 VK_LAUNCH_MEDIA_SELECT Select Media key + Qt::Key_Launch0, // 182 0xB6 VK_LAUNCH_APP1 | Start Application 1 key + Qt::Key_Launch1, // 183 0xB7 VK_LAUNCH_APP2 | Start Application 2 key + Qt::Key_unknown, // 184 0xB8 -- reserved -- + Qt::Key_unknown, // 185 0xB9 -- reserved -- + 0, // 186 0xBA VK_OEM_1 | ';:' for US + 0, // 187 0xBB VK_OEM_PLUS | '+' any country + 0, // 188 0xBC VK_OEM_COMMA | ',' any country + 0, // 189 0xBD VK_OEM_MINUS | '-' any country + 0, // 190 0xBE VK_OEM_PERIOD | '.' any country + 0, // 191 0xBF VK_OEM_2 | '/?' for US + 0, // 192 0xC0 VK_OEM_3 | '`~' for US + Qt::Key_unknown, // 193 0xC1 -- reserved -- + Qt::Key_unknown, // 194 0xC2 -- reserved -- + Qt::Key_unknown, // 195 0xC3 -- reserved -- + Qt::Key_unknown, // 196 0xC4 -- reserved -- + Qt::Key_unknown, // 197 0xC5 -- reserved -- + Qt::Key_unknown, // 198 0xC6 -- reserved -- + Qt::Key_unknown, // 199 0xC7 -- reserved -- + Qt::Key_unknown, // 200 0xC8 -- reserved -- + Qt::Key_unknown, // 201 0xC9 -- reserved -- + Qt::Key_unknown, // 202 0xCA -- reserved -- + Qt::Key_unknown, // 203 0xCB -- reserved -- + Qt::Key_unknown, // 204 0xCC -- reserved -- + Qt::Key_unknown, // 205 0xCD -- reserved -- + Qt::Key_unknown, // 206 0xCE -- reserved -- + Qt::Key_unknown, // 207 0xCF -- reserved -- + Qt::Key_unknown, // 208 0xD0 -- reserved -- + Qt::Key_unknown, // 209 0xD1 -- reserved -- + Qt::Key_unknown, // 210 0xD2 -- reserved -- + Qt::Key_unknown, // 211 0xD3 -- reserved -- + Qt::Key_unknown, // 212 0xD4 -- reserved -- + Qt::Key_unknown, // 213 0xD5 -- reserved -- + Qt::Key_unknown, // 214 0xD6 -- reserved -- + Qt::Key_unknown, // 215 0xD7 -- reserved -- + Qt::Key_unknown, // 216 0xD8 -- unassigned -- + Qt::Key_unknown, // 217 0xD9 -- unassigned -- + Qt::Key_unknown, // 218 0xDA -- unassigned -- + 0, // 219 0xDB VK_OEM_4 | '[{' for US + 0, // 220 0xDC VK_OEM_5 | '\|' for US + 0, // 221 0xDD VK_OEM_6 | ']}' for US + 0, // 222 0xDE VK_OEM_7 | ''"' for US + 0, // 223 0xDF VK_OEM_8 + Qt::Key_unknown, // 224 0xE0 -- reserved -- + Qt::Key_unknown, // 225 0xE1 VK_OEM_AX | 'AX' key on Japanese AX kbd + Qt::Key_unknown, // 226 0xE2 VK_OEM_102 | "<>" or "\|" on RT 102-key kbd + Qt::Key_unknown, // 227 0xE3 VK_ICO_HELP | Help key on ICO + Qt::Key_unknown, // 228 0xE4 VK_ICO_00 | 00 key on ICO + Qt::Key_unknown, // 229 0xE5 VK_PROCESSKEY | IME Process key + Qt::Key_unknown, // 230 0xE6 VK_ICO_CLEAR | + Qt::Key_unknown, // 231 0xE7 VK_PACKET | Unicode char as keystrokes + Qt::Key_unknown, // 232 0xE8 -- unassigned -- + // Nokia/Ericsson definitions --------------- + Qt::Key_unknown, // 233 0xE9 VK_OEM_RESET + Qt::Key_unknown, // 234 0xEA VK_OEM_JUMP + Qt::Key_unknown, // 235 0xEB VK_OEM_PA1 + Qt::Key_unknown, // 236 0xEC VK_OEM_PA2 + Qt::Key_unknown, // 237 0xED VK_OEM_PA3 + Qt::Key_unknown, // 238 0xEE VK_OEM_WSCTRL + Qt::Key_unknown, // 239 0xEF VK_OEM_CUSEL + Qt::Key_unknown, // 240 0xF0 VK_OEM_ATTN + Qt::Key_unknown, // 241 0xF1 VK_OEM_FINISH + Qt::Key_unknown, // 242 0xF2 VK_OEM_COPY + Qt::Key_unknown, // 243 0xF3 VK_OEM_AUTO + Qt::Key_unknown, // 244 0xF4 VK_OEM_ENLW + Qt::Key_unknown, // 245 0xF5 VK_OEM_BACKTAB + Qt::Key_unknown, // 246 0xF6 VK_ATTN | Attn key + Qt::Key_unknown, // 247 0xF7 VK_CRSEL | CrSel key + Qt::Key_unknown, // 248 0xF8 VK_EXSEL | ExSel key + Qt::Key_unknown, // 249 0xF9 VK_EREOF | Erase EOF key + Qt::Key_Play, // 250 0xFA VK_PLAY | Play key + Qt::Key_Zoom, // 251 0xFB VK_ZOOM | Zoom key + Qt::Key_unknown, // 252 0xFC VK_NONAME | Reserved + Qt::Key_unknown, // 253 0xFD VK_PA1 | PA1 key + Qt::Key_Clear, // 254 0xFE VK_OEM_CLEAR | Clear key + 0 +}; + +// Possible modifier states. +// NOTE: The order of these states match the order in QWindowsKeyMapper::updatePossibleKeyCodes()! +static const Qt::KeyboardModifiers ModsTbl[] = { + Qt::NoModifier, // 0 + Qt::ShiftModifier, // 1 + Qt::ControlModifier, // 2 + Qt::ControlModifier | Qt::ShiftModifier, // 3 + Qt::AltModifier, // 4 + Qt::AltModifier | Qt::ShiftModifier, // 5 + Qt::AltModifier | Qt::ControlModifier, // 6 + Qt::AltModifier | Qt::ShiftModifier | Qt::ControlModifier, // 7 + Qt::NoModifier, // Fall-back to raw Key_* +}; + +/** + Remap return or action key to select key for windows mobile. +*/ +inline int winceKeyBend(int keyCode) +{ + return KeyTbl[keyCode]; +} + +// Translate a VK into a Qt key code, or unicode character +static inline int toKeyOrUnicode(int vk, int scancode, unsigned char *kbdBuffer, bool *isDeadkey = 0) +{ + Q_ASSERT(vk > 0 && vk < 256); + int code = 0; + QChar unicodeBuffer[5]; + int res = ToUnicode(vk, scancode, kbdBuffer, reinterpret_cast<LPWSTR>(unicodeBuffer), 5, 0); + if (res) + code = unicodeBuffer[0].toUpper().unicode(); + + // Qt::Key_*'s are not encoded below 0x20, so try again, and DEL keys (0x7f) is encoded with a + // proper Qt::Key_ code + if (code < 0x20 || code == 0x7f) // Handles res==0 too + code = winceKeyBend(vk); + + if (isDeadkey) + *isDeadkey = (res == -1); + + return code == Qt::Key_unknown ? 0 : code; +} + +int qt_translateKeyCode(int vk) +{ + int code = winceKeyBend((vk < 0 || vk > 255) ? 0 : vk); + return code == Qt::Key_unknown ? 0 : code; +} + +static inline int asciiToKeycode(char a, int state) +{ + if (a >= 'a' && a <= 'z') + a = toupper(a); + if ((state & Qt::ControlModifier) != 0) { + if (a >= 0 && a <= 31) // Ctrl+@..Ctrl+A..CTRL+Z..Ctrl+_ + a += '@'; // to @..A..Z.._ + } + return a & 0xff; +} + +static inline bool isModifierKey(int code) +{ + return (code >= Qt::Key_Shift) && (code <= Qt::Key_ScrollLock); +} +// Key translation -----------------------------------------------------------------------[ end ]--- + + +// Keyboard map private ----------------------------------------------------------------[ start ]--- + +/* + \internal + A Windows KeyboardLayoutItem has 8 possible states: + 1. Unmodified + 2. Shift + 3. Control + 4. Control + Shift + 5. Alt + 6. Alt + Shift + 7. Alt + Control + 8. Alt + Control + Shift +*/ +struct KeyboardLayoutItem { + bool dirty; + quint8 deadkeys; + quint32 qtKey[9]; // Can by any Qt::Key_<foo>, or unicode character +}; + +void QWindowsKeyMapper::deleteLayouts() +{ + for (int i = 0; i < 255; ++i) { + if (keyLayout[i]) { + delete keyLayout[i]; + keyLayout[i] = 0; + } + } +} + +void QWindowsKeyMapper::changeKeyboard() +{ + deleteLayouts(); + + /* MAKELCID()'s first argument is a WORD, and GetKeyboardLayout() + * returns a DWORD. */ + + LCID newLCID = MAKELCID((quintptr)GetKeyboardLayout(0), SORT_DEFAULT); +// keyboardInputLocale = qt_localeFromLCID(newLCID); + + bool bidi = false; + wchar_t LCIDFontSig[16]; + if (GetLocaleInfo(newLCID, LOCALE_FONTSIGNATURE, LCIDFontSig, sizeof(LCIDFontSig) / sizeof(wchar_t)) + && (LCIDFontSig[7] & (wchar_t)0x0800)) + bidi = true; + + keyboardInputDirection = bidi ? Qt::RightToLeft : Qt::LeftToRight; +} + +void QWindowsKeyMapper::clearRecordedKeys() +{ + key_recorder.clearKeys(); +} + + +inline void setKbdState(unsigned char *kbd, bool shift, bool ctrl, bool alt) +{ + kbd[VK_LSHIFT ] = (shift ? 0x80 : 0); + kbd[VK_SHIFT ] = (shift ? 0x80 : 0); + kbd[VK_LCONTROL] = (ctrl ? 0x80 : 0); + kbd[VK_CONTROL ] = (ctrl ? 0x80 : 0); + kbd[VK_RMENU ] = (alt ? 0x80 : 0); + kbd[VK_MENU ] = (alt ? 0x80 : 0); +} + +void QWindowsKeyMapper::updateKeyMap(const MSG &msg) +{ + unsigned char kbdBuffer[256]; // Will hold the complete keyboard state + GetKeyboardState(kbdBuffer); + quint32 scancode = (msg.lParam >> 16) & 0xfff; + updatePossibleKeyCodes(kbdBuffer, scancode, msg.wParam); +} + +void QWindowsKeyMapper::updatePossibleKeyCodes(unsigned char *kbdBuffer, quint32 scancode, + quint32 vk_key) +{ + if (!vk_key || (keyLayout[vk_key] && !keyLayout[vk_key]->dirty)) + return; + + if (!keyLayout[vk_key]) + keyLayout[vk_key] = new KeyboardLayoutItem; + + // Copy keyboard state, so we can modify and query output for each possible permutation + unsigned char buffer[256]; + memcpy(buffer, kbdBuffer, sizeof(buffer)); + // Always 0, as Windows doesn't treat these as modifiers; + buffer[VK_LWIN ] = 0; + buffer[VK_RWIN ] = 0; + buffer[VK_CAPITAL ] = 0; + buffer[VK_NUMLOCK ] = 0; + buffer[VK_SCROLL ] = 0; + // Always 0, since we'll only change the other versions + buffer[VK_RSHIFT ] = 0; + buffer[VK_RCONTROL] = 0; + buffer[VK_LMENU ] = 0; // Use right Alt, since left Ctrl + right Alt is considered AltGraph + + bool isDeadKey = false; + keyLayout[vk_key]->deadkeys = 0; + keyLayout[vk_key]->dirty = false; + setKbdState(buffer, false, false, false); + keyLayout[vk_key]->qtKey[0] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x01 : 0; + setKbdState(buffer, true, false, false); + keyLayout[vk_key]->qtKey[1] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x02 : 0; + setKbdState(buffer, false, true, false); + keyLayout[vk_key]->qtKey[2] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x04 : 0; + setKbdState(buffer, true, true, false); + keyLayout[vk_key]->qtKey[3] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x08 : 0; + setKbdState(buffer, false, false, true); + keyLayout[vk_key]->qtKey[4] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x10 : 0; + setKbdState(buffer, true, false, true); + keyLayout[vk_key]->qtKey[5] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x20 : 0; + setKbdState(buffer, false, true, true); + keyLayout[vk_key]->qtKey[6] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x40 : 0; + setKbdState(buffer, true, true, true); + keyLayout[vk_key]->qtKey[7] = toKeyOrUnicode(vk_key, scancode, buffer, &isDeadKey); + keyLayout[vk_key]->deadkeys |= isDeadKey ? 0x80 : 0; + // Add a fall back key for layouts which don't do composition and show non-latin1 characters + int fallbackKey = winceKeyBend(vk_key); + if (!fallbackKey || fallbackKey == Qt::Key_unknown) { + fallbackKey = 0; + if (vk_key != keyLayout[vk_key]->qtKey[0] && vk_key < 0x5B && vk_key > 0x2F) + fallbackKey = vk_key; + } + keyLayout[vk_key]->qtKey[8] = fallbackKey; + + // If this vk_key a Dead Key + if (MapVirtualKey(vk_key, 2) & 0x80000000) { + // Push a Space, then the original key through the low-level ToAscii functions. + // We do this because these functions (ToAscii / ToUnicode) will alter the internal state of + // the keyboard driver By doing the following, we set the keyboard driver state back to what + // it was before we wrecked it with the code above. + // We need to push the space with an empty keystate map, since the driver checks the map for + // transitions in modifiers, so this helps us capture all possible deadkeys. + unsigned char emptyBuffer[256]; + memset(emptyBuffer, 0, sizeof(emptyBuffer)); + ::ToAscii(VK_SPACE, 0, emptyBuffer, reinterpret_cast<LPWORD>(&buffer), 0); + ::ToAscii(vk_key, scancode, kbdBuffer, reinterpret_cast<LPWORD>(&buffer), 0); + } + + if (QWindowsContext::verboseEvents > 1) { + qDebug("updatePossibleKeyCodes for virtual key = 0x%02x!", vk_key); + for (int i = 0; i < 9; ++i) { + qDebug(" [%d] (%d,0x%02x,'%c') %s", i, + keyLayout[vk_key]->qtKey[i], + keyLayout[vk_key]->qtKey[i], + keyLayout[vk_key]->qtKey[i] ? keyLayout[vk_key]->qtKey[i] : 0x03, + keyLayout[vk_key]->deadkeys & (1<<i) ? "deadkey" : ""); + } + } +} + +bool QWindowsKeyMapper::isADeadKey(unsigned int vk_key, unsigned int modifiers) +{ + if (keyLayout && (vk_key < 256) && keyLayout[vk_key]) { + for (register int i = 0; i < 9; ++i) { + if (uint(ModsTbl[i]) == modifiers) + return bool(keyLayout[vk_key]->deadkeys & 1<<i); + } + } + return false; +} + +static inline QString messageKeyText(const MSG &msg) +{ + const QChar ch = QChar((ushort)msg.wParam); + return ch.isNull() ? QString() : QString(ch); +} + +static void showSystemMenu(QWindow* w) +{ + QWindow *topLevel = QWindowsWindow::topLevelOf(w); + HWND topLevelHwnd = QWindowsWindow::handleOf(topLevel); + HMENU menu = GetSystemMenu(topLevelHwnd, FALSE); + if (!menu) + return; // no menu for this window + +#define enabled (MF_BYCOMMAND | MF_ENABLED) +#define disabled (MF_BYCOMMAND | MF_GRAYED) + + EnableMenuItem(menu, SC_MINIMIZE, (topLevel->windowFlags() & Qt::WindowMinimizeButtonHint)?enabled:disabled); + bool maximized = IsZoomed(topLevelHwnd); + + EnableMenuItem(menu, SC_MAXIMIZE, ! (topLevel->windowFlags() & Qt::WindowMaximizeButtonHint) || maximized?disabled:enabled); + EnableMenuItem(menu, SC_RESTORE, maximized?enabled:disabled); + + // We should _not_ check with the setFixedSize(x,y) case here, since Windows is not able to check + // this and our menu here would be out-of-sync with the menu produced by mouse-click on the + // System Menu, or right-click on the title bar. + EnableMenuItem(menu, SC_SIZE, (topLevel->windowFlags() & Qt::MSWindowsFixedSizeDialogHint) || maximized?disabled:enabled); + EnableMenuItem(menu, SC_MOVE, maximized?disabled:enabled); + EnableMenuItem(menu, SC_CLOSE, enabled); + // Set bold on close menu item + MENUITEMINFO closeItem; + closeItem.cbSize = sizeof(MENUITEMINFO); + closeItem.fMask = MIIM_STATE; + closeItem.fState = MFS_DEFAULT; + SetMenuItemInfo(menu, SC_CLOSE, FALSE, &closeItem); + +#undef enabled +#undef disabled + const int ret = TrackPopupMenuEx(menu, + TPM_LEFTALIGN | TPM_TOPALIGN | TPM_NONOTIFY | TPM_RETURNCMD, + topLevel->geometry().x(), topLevel->geometry().y(), + topLevelHwnd, + 0); + if (ret) + qWindowsWndProc(topLevelHwnd, WM_SYSCOMMAND, ret, 0); +} + +static inline void sendExtendedPressRelease(QWindow *w, int k, + Qt::KeyboardModifiers mods, + quint32 nativeScanCode, + quint32 nativeVirtualKey, + quint32 nativeModifiers, + const QString & text = QString(), + bool autorep = false, + ushort count = 1) +{ + QWindowSystemInterface::handleExtendedKeyEvent(w, QEvent::KeyPress, k, mods, nativeScanCode, nativeVirtualKey, nativeModifiers, text, autorep, count); + QWindowSystemInterface::handleExtendedKeyEvent(w, QEvent::KeyRelease, k, mods, nativeScanCode, nativeVirtualKey, nativeModifiers, text, autorep, count); +} + +/*! + \brief To be called from the window procedure. +*/ + +bool QWindowsKeyMapper::translateKeyEvent(QWindow *widget, HWND hwnd, + const MSG &msg, LRESULT *result) +{ + *result = 0; + MSG peekedMsg; + // consume dead chars?(for example, typing '`','a' resulting in a-accent). + if (PeekMessage(&peekedMsg, hwnd, 0, 0, PM_NOREMOVE) && peekedMsg.message == WM_DEADCHAR) + return true; + if (msg.message == WM_KEYDOWN || msg.message == WM_SYSKEYDOWN) + updateKeyMap(msg); + return translateKeyEventInternal(widget, msg, false); +} + +bool QWindowsKeyMapper::translateKeyEventInternal(QWindow *window, const MSG &msg, bool /* grab */) +{ + const int msgType = msg.message; + + const quint32 scancode = (msg.lParam >> 16) & 0xfff; + const quint32 vk_key = MapVirtualKey(scancode, 1); + const bool isNumpad = (msg.wParam >= VK_NUMPAD0 && msg.wParam <= VK_NUMPAD9); + quint32 nModifiers = 0; + + QWindow *receiver = m_keyGrabber ? m_keyGrabber : window; + + // Map native modifiers to some bit representation + nModifiers |= (GetKeyState(VK_LSHIFT ) & 0x80 ? ShiftLeft : 0); + nModifiers |= (GetKeyState(VK_RSHIFT ) & 0x80 ? ShiftRight : 0); + nModifiers |= (GetKeyState(VK_LCONTROL) & 0x80 ? ControlLeft : 0); + nModifiers |= (GetKeyState(VK_RCONTROL) & 0x80 ? ControlRight : 0); + nModifiers |= (GetKeyState(VK_LMENU ) & 0x80 ? AltLeft : 0); + nModifiers |= (GetKeyState(VK_RMENU ) & 0x80 ? AltRight : 0); + nModifiers |= (GetKeyState(VK_LWIN ) & 0x80 ? MetaLeft : 0); + nModifiers |= (GetKeyState(VK_RWIN ) & 0x80 ? MetaRight : 0); + // Add Lock keys to the same bits + nModifiers |= (GetKeyState(VK_CAPITAL ) & 0x01 ? CapsLock : 0); + nModifiers |= (GetKeyState(VK_NUMLOCK ) & 0x01 ? NumLock : 0); + nModifiers |= (GetKeyState(VK_SCROLL ) & 0x01 ? ScrollLock : 0); + + if (msg.lParam & ExtendedKey) + nModifiers |= msg.lParam & ExtendedKey; + + // Get the modifier states (may be altered later, depending on key code) + int state = 0; + state |= (nModifiers & ShiftAny ? Qt::ShiftModifier : 0); + state |= (nModifiers & ControlAny ? Qt::ControlModifier : 0); + state |= (nModifiers & AltAny ? Qt::AltModifier : 0); + state |= (nModifiers & MetaAny ? Qt::MetaModifier : 0); + + // Now we know enough to either have MapVirtualKey or our own keymap tell us if it's a deadkey + const bool isDeadKey = isADeadKey(msg.wParam, state) + || MapVirtualKey(msg.wParam, 2) & 0x80000000; + + // A multi-character key or a Input method character + // not found by our look-ahead + if (msgType == WM_CHAR || msgType == WM_IME_CHAR) { + sendExtendedPressRelease(receiver, 0, Qt::KeyboardModifier(state), scancode, vk_key, nModifiers, messageKeyText(msg), false, 0); + return true; + } + + bool result = false; + // handle Directionality changes (BiDi) with RTL extensions + if (m_useRTLExtensions) { + static int dirStatus = 0; + if (!dirStatus && state == Qt::ControlModifier + && msg.wParam == VK_CONTROL + && msgType == WM_KEYDOWN) { + if (GetKeyState(VK_LCONTROL) < 0) + dirStatus = VK_LCONTROL; + else if (GetKeyState(VK_RCONTROL) < 0) + dirStatus = VK_RCONTROL; + } else if (dirStatus) { + if (msgType == WM_KEYDOWN) { + if (msg.wParam == VK_SHIFT) { + if (dirStatus == VK_LCONTROL && GetKeyState(VK_LSHIFT) < 0) + dirStatus = VK_LSHIFT; + else if (dirStatus == VK_RCONTROL && GetKeyState(VK_RSHIFT) < 0) + dirStatus = VK_RSHIFT; + } else { + dirStatus = 0; + } + } else if (msgType == WM_KEYUP) { + if (dirStatus == VK_LSHIFT + && ((msg.wParam == VK_SHIFT && GetKeyState(VK_LCONTROL)) + || (msg.wParam == VK_CONTROL && GetKeyState(VK_LSHIFT)))) { + sendExtendedPressRelease(receiver, Qt::Key_Direction_L, 0, scancode, msg.wParam, nModifiers, QString(), false, 0); + result = true; + dirStatus = 0; + } else if (dirStatus == VK_RSHIFT + && ( (msg.wParam == VK_SHIFT && GetKeyState(VK_RCONTROL)) + || (msg.wParam == VK_CONTROL && GetKeyState(VK_RSHIFT)))) { + sendExtendedPressRelease(receiver, Qt::Key_Direction_R, 0, scancode, msg.wParam, nModifiers, QString(), false, 0); + result = true; + dirStatus = 0; + } else { + dirStatus = 0; + } + } else { + dirStatus = 0; + } + } + } // RTL + + // IME will process these keys, so simply return + if (msg.wParam == VK_PROCESSKEY) + return true; + + // Ignore invalid virtual keycodes (see bugs 127424, QTBUG-3630) + if (msg.wParam == 0 || msg.wParam == 0xFF) + return true; + + // Translate VK_* (native) -> Key_* (Qt) keys + // If it's a dead key, we cannot use the toKeyOrUnicode() function, since that will change + // the internal state of the keyboard driver, resulting in that dead keys no longer works. + // ..also if we're typing numbers on the keypad, while holding down the Alt modifier. + int code = 0; + if (isNumpad && (nModifiers & AltAny)) { + code = winceKeyBend(msg.wParam); + } else if (!isDeadKey) { + unsigned char kbdBuffer[256]; // Will hold the complete keyboard state + GetKeyboardState(kbdBuffer); + code = toKeyOrUnicode(msg.wParam, scancode, kbdBuffer); + } + + // Invert state logic: + // If the key actually pressed is a modifier key, then we remove its modifier key from the + // state, since a modifier-key can't have itself as a modifier + if (code == Qt::Key_Control) + state = state ^ Qt::ControlModifier; + else if (code == Qt::Key_Shift) + state = state ^ Qt::ShiftModifier; + else if (code == Qt::Key_Alt) + state = state ^ Qt::AltModifier; + + // If the bit 24 of lParm is set you received a enter, + // otherwise a Return. (This is the extended key bit) + if ((code == Qt::Key_Return) && (msg.lParam & 0x1000000)) + code = Qt::Key_Enter; + + // All cursor keys without extended bit + if (!(msg.lParam & 0x1000000)) { + switch (code) { + case Qt::Key_Left: + case Qt::Key_Right: + case Qt::Key_Up: + case Qt::Key_Down: + case Qt::Key_PageUp: + case Qt::Key_PageDown: + case Qt::Key_Home: + case Qt::Key_End: + case Qt::Key_Insert: + case Qt::Key_Delete: + case Qt::Key_Asterisk: + case Qt::Key_Plus: + case Qt::Key_Minus: + case Qt::Key_Period: + case Qt::Key_0: + case Qt::Key_1: + case Qt::Key_2: + case Qt::Key_3: + case Qt::Key_4: + case Qt::Key_5: + case Qt::Key_6: + case Qt::Key_7: + case Qt::Key_8: + case Qt::Key_9: + state |= ((msg.wParam >= '0' && msg.wParam <= '9') + || (msg.wParam >= VK_OEM_PLUS && msg.wParam <= VK_OEM_3)) + ? 0 : Qt::KeypadModifier; + default: + if ((uint)msg.lParam == 0x004c0001 || (uint)msg.lParam == 0xc04c0001) + state |= Qt::KeypadModifier; + break; + } + } + // Other keys with with extended bit + else { + switch (code) { + case Qt::Key_Enter: + case Qt::Key_Slash: + case Qt::Key_NumLock: + state |= Qt::KeypadModifier; + default: + break; + } + } + + // KEYDOWN --------------------------------------------------------------------------------- + if (msgType == WM_KEYDOWN || msgType == WM_IME_KEYDOWN || msgType == WM_SYSKEYDOWN) { + // Get the last record of this key press, so we can validate the current state + // The record is not removed from the list + KeyRecord *rec = key_recorder.findKey(msg.wParam, false); + + // If rec's state doesn't match the current state, something has changed behind our back + // (Consumed by modal widget is one possibility) So, remove the record from the list + // This will stop the auto-repeat of the key, should a modifier change, for example + if (rec && rec->state != state) { + key_recorder.findKey(msg.wParam, true); + rec = 0; + } + + // Find unicode character from Windows Message Queue + MSG wm_char; + UINT charType = (msgType == WM_KEYDOWN + ? WM_CHAR + : msgType == WM_IME_KEYDOWN ? WM_IME_CHAR : WM_SYSCHAR); + + QChar uch; + if (PeekMessage(&wm_char, 0, charType, charType, PM_REMOVE)) { + // Found a ?_CHAR + uch = QChar((ushort)wm_char.wParam); + if (msgType == WM_SYSKEYDOWN && uch.isLetter() && (msg.lParam & KF_ALTDOWN)) + uch = uch.toLower(); // (See doc of WM_SYSCHAR) Alt-letter + if (!code && !uch.row()) + code = asciiToKeycode(uch.cell(), state); + } + + // Special handling for the WM_IME_KEYDOWN message. Microsoft IME (Korean) will not + // generate a WM_IME_CHAR message corresponding to this message. We might get wrong + // results, if we map this virtual key-code directly (for eg '?' US layouts). So try + // to find the correct key using the current message parameters & keyboard state. + if (uch.isNull() && msgType == WM_IME_KEYDOWN) { + BYTE keyState[256]; + wchar_t newKey[3] = {0}; + GetKeyboardState(keyState); + int val = ToUnicode(vk_key, scancode, keyState, newKey, 2, 0); + if (val == 1) { + uch = QChar(newKey[0]); + } else { + // If we are still not able to find a unicode key, pass the WM_IME_KEYDOWN + // message to DefWindowProc() for generating a proper WM_KEYDOWN. + return false; + } + } + + // If no ?_CHAR was found in the queue; deduct character from the ?_KEYDOWN parameters + if (uch.isNull()) { + if (msg.wParam == VK_DELETE) { + uch = QChar(QLatin1Char(0x7f)); // Windows doesn't know this one. + } else { + if (msgType != WM_SYSKEYDOWN || !code) { + UINT map = MapVirtualKey(msg.wParam, 2); + // If the high bit of the return value is set, it's a deadkey + if (!(map & 0x80000000)) + uch = QChar((ushort)map); + } + } + if (!code && !uch.row()) + code = asciiToKeycode(uch.cell(), state); + } + + // Special handling of global Windows hotkeys + if (state == Qt::AltModifier) { + switch (code) { + case Qt::Key_Escape: + case Qt::Key_Tab: + case Qt::Key_Enter: + case Qt::Key_F4: + return false; // Send the event on to Windows + case Qt::Key_Space: + // do not pass this key to windows, we will process it ourselves + showSystemMenu(receiver); + return true; + default: + break; + } + } + + // Map SHIFT + Tab to SHIFT + BackTab, QShortcutMap knows about this translation + if (code == Qt::Key_Tab && (state & Qt::ShiftModifier) == Qt::ShiftModifier) + code = Qt::Key_Backtab; + + // If we have a record, it means that the key is already pressed, the state is the same + // so, we have an auto-repeating key + if (rec) { + if (code < Qt::Key_Shift || code > Qt::Key_ScrollLock) { + QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyRelease, code, + Qt::KeyboardModifier(state), scancode, msg.wParam, nModifiers, rec->text, true, 0); + QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyPress, code, + Qt::KeyboardModifier(state), scancode, msg.wParam, nModifiers, rec->text, true, 0); + result = true; + } + } + // No record of the key being previous pressed, so we now send a QEvent::KeyPress event, + // and store the key data into our records. + else { + const QString text = uch.isNull() ? QString() : QString(uch); + const char a = uch.row() ? 0 : uch.cell(); + key_recorder.storeKey(msg.wParam, a, state, text); + QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyPress, code, + Qt::KeyboardModifier(state), scancode, msg.wParam, nModifiers, text, false, 0); + result =true; + bool store = true; + // Alt+<alphanumerical> go to the Win32 menu system if unhandled by Qt + if (msgType == WM_SYSKEYDOWN && !result && a) { + HWND parent = GetParent(QWindowsWindow::handleOf(receiver)); + while (parent) { + if (GetMenu(parent)) { + SendMessage(parent, WM_SYSCOMMAND, SC_KEYMENU, a); + store = false; + result = true; + break; + } + parent = GetParent(parent); + } + } + if (!store) + key_recorder.findKey(msg.wParam, true); + } + } + + // KEYUP ----------------------------------------------------------------------------------- + else { + // Try to locate the key in our records, and remove it if it exists. + // The key may not be in our records if, for example, the down event was handled by + // win32 natively, or our window gets focus while a key is already press, but now gets + // the key release event. + KeyRecord* rec = key_recorder.findKey(msg.wParam, true); + if (!rec && !(code == Qt::Key_Shift + || code == Qt::Key_Control + || code == Qt::Key_Meta + || code == Qt::Key_Alt)) { + // Someone ate the key down event + } else { + if (!code) + code = asciiToKeycode(rec->ascii ? rec->ascii : msg.wParam, state); + + // Map SHIFT + Tab to SHIFT + BackTab, QShortcutMap knows about this translation + if (code == Qt::Key_Tab && (state & Qt::ShiftModifier) == Qt::ShiftModifier) + code = Qt::Key_Backtab; + QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyRelease, code, + Qt::KeyboardModifier(state), scancode, msg.wParam, nModifiers, + (rec ? rec->text : QString()), false, 0); + result = true; + // don't pass Alt to Windows unless we are embedded in a non-Qt window + if (code == Qt::Key_Alt) { + const QWindowsContext *context = QWindowsContext::instance(); + HWND parent = GetParent(QWindowsWindow::handleOf(receiver)); + while (parent) { + if (!context->findPlatformWindow(parent) && GetMenu(parent)) { + result = false; + break; + } + parent = GetParent(parent); + } + } + } + } + return result; +} + +QT_END_NAMESPACE |