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qwindowskeymapper.cpp 58.76 KiB
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qwindowskeymapper.h"
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#include "qwindowscontext.h"
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#include "qwindowsintegration.h"
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#include "qwindowswindow.h"
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#include "qwindowsinputcontext.h"
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#include <QtGui/QWindow>
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#include <qpa/qwindowsysteminterface.h>
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#include <private/qguiapplication_p.h>
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#include <private/qhighdpiscaling_p.h>
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#include <QtGui/QKeyEvent>
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#include <QtPlatformSupport/private/qwindowsguieventdispatcher_p.h>
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#if defined(WM_APPCOMMAND)
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#  ifndef FAPPCOMMAND_MOUSE
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#    define FAPPCOMMAND_MOUSE 0x8000
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#  endif
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#  ifndef FAPPCOMMAND_KEY
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#    define FAPPCOMMAND_KEY   0
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#  endif
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#  ifndef FAPPCOMMAND_OEM
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#    define FAPPCOMMAND_OEM   0x1000
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#  endif
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#  ifndef FAPPCOMMAND_MASK
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#    define FAPPCOMMAND_MASK  0xF000
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#  endif
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#  ifndef GET_APPCOMMAND_LPARAM
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#    define GET_APPCOMMAND_LPARAM(lParam) ((short)(HIWORD(lParam) & ~FAPPCOMMAND_MASK))
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#  endif
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#  ifndef GET_DEVICE_LPARAM
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#    define GET_DEVICE_LPARAM(lParam)     ((WORD)(HIWORD(lParam) & FAPPCOMMAND_MASK))
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#  endif
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#  ifndef GET_MOUSEORKEY_LPARAM
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#    define GET_MOUSEORKEY_LPARAM         GET_DEVICE_LPARAM
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#  endif
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#  ifndef GET_FLAGS_LPARAM
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#    define GET_FLAGS_LPARAM(lParam)      (LOWORD(lParam))
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# endif # ifndef GET_KEYSTATE_LPARAM # define GET_KEYSTATE_LPARAM(lParam) GET_FLAGS_LPARAM(lParam) # endif #endif QT_BEGIN_NAMESPACE /*! \class QWindowsKeyMapper \brief Translates Windows keys to QWindowSystemInterface events. \internal \ingroup qt-lighthouse-win In addition, handles some special keys to display system menus, etc. The code originates from \c qkeymapper_win.cpp. */ static void clearKeyRecorderOnApplicationInActive(Qt::ApplicationState state); QWindowsKeyMapper::QWindowsKeyMapper() : m_useRTLExtensions(false), m_keyGrabber(0) { memset(keyLayout, 0, sizeof(keyLayout)); QGuiApplication *app = static_cast<QGuiApplication *>(QGuiApplication::instance()); QObject::connect(app, &QGuiApplication::applicationStateChanged, app, clearKeyRecorderOnApplicationInActive); } QWindowsKeyMapper::~QWindowsKeyMapper() { } #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 // We not only need the scancode itself but also the extended bit of key messages. Thus we need // the additional bit when masking the scancode. enum { scancodeBitmask = 0x1ff }; // 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; }; // We need to record the pressed keys in order to decide, whether the key event is an autorepeat // event. As soon as its state changes, the chain of autorepeat events will be broken. static const int QT_MAX_KEY_RECORDINGS = 64; // User has LOTS of fingers... struct KeyRecorder { KeyRecorder() : nrecs(0) {}
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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; static void clearKeyRecorderOnApplicationInActive(Qt::ApplicationState state) { if (state == Qt::ApplicationInactive) key_recorder.clearKeys(); } 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
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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
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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 --
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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 --
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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 }; static const uint CmdTbl[] = { // Multimedia keys mapping table // Dec | Hex | AppCommand Qt::Key_unknown, // 0 0x00 Qt::Key_Back, // 1 0x01 APPCOMMAND_BROWSER_BACKWARD Qt::Key_Forward, // 2 0x02 APPCOMMAND_BROWSER_FORWARD Qt::Key_Refresh, // 3 0x03 APPCOMMAND_BROWSER_REFRESH Qt::Key_Stop, // 4 0x04 APPCOMMAND_BROWSER_STOP Qt::Key_Search, // 5 0x05 APPCOMMAND_BROWSER_SEARCH Qt::Key_Favorites, // 6 0x06 APPCOMMAND_BROWSER_FAVORITES Qt::Key_Home, // 7 0x07 APPCOMMAND_BROWSER_HOME Qt::Key_VolumeMute, // 8 0x08 APPCOMMAND_VOLUME_MUTE Qt::Key_VolumeDown, // 9 0x09 APPCOMMAND_VOLUME_DOWN Qt::Key_VolumeUp, // 10 0x0a APPCOMMAND_VOLUME_UP Qt::Key_MediaNext, // 11 0x0b APPCOMMAND_MEDIA_NEXTTRACK Qt::Key_MediaPrevious, // 12 0x0c APPCOMMAND_MEDIA_PREVIOUSTRACK Qt::Key_MediaStop, // 13 0x0d APPCOMMAND_MEDIA_STOP Qt::Key_MediaTogglePlayPause, // 14 0x0e APPCOMMAND_MEDIA_PLAYPAUSE Qt::Key_LaunchMail, // 15 0x0f APPCOMMAND_LAUNCH_MAIL Qt::Key_LaunchMedia, // 16 0x10 APPCOMMAND_LAUNCH_MEDIA_SELECT Qt::Key_Launch0, // 17 0x11 APPCOMMAND_LAUNCH_APP1 Qt::Key_Launch1, // 18 0x12 APPCOMMAND_LAUNCH_APP2 Qt::Key_BassDown, // 19 0x13 APPCOMMAND_BASS_DOWN Qt::Key_BassBoost, // 20 0x14 APPCOMMAND_BASS_BOOST
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Qt::Key_BassUp, // 21 0x15 APPCOMMAND_BASS_UP Qt::Key_TrebleDown, // 22 0x16 APPCOMMAND_TREBLE_DOWN Qt::Key_TrebleUp, // 23 0x17 APPCOMMAND_TREBLE_UP Qt::Key_MicMute, // 24 0x18 APPCOMMAND_MICROPHONE_VOLUME_MUTE Qt::Key_MicVolumeDown, // 25 0x19 APPCOMMAND_MICROPHONE_VOLUME_DOWN Qt::Key_MicVolumeUp, // 26 0x1a APPCOMMAND_MICROPHONE_VOLUME_UP Qt::Key_Help, // 27 0x1b APPCOMMAND_HELP Qt::Key_Find, // 28 0x1c APPCOMMAND_FIND Qt::Key_New, // 29 0x1d APPCOMMAND_NEW Qt::Key_Open, // 30 0x1e APPCOMMAND_OPEN Qt::Key_Close, // 31 0x1f APPCOMMAND_CLOSE Qt::Key_Save, // 32 0x20 APPCOMMAND_SAVE Qt::Key_Print, // 33 0x21 APPCOMMAND_PRINT Qt::Key_Undo, // 34 0x22 APPCOMMAND_UNDO Qt::Key_Redo, // 35 0x23 APPCOMMAND_REDO Qt::Key_Copy, // 36 0x24 APPCOMMAND_COPY Qt::Key_Cut, // 37 0x25 APPCOMMAND_CUT Qt::Key_Paste, // 38 0x26 APPCOMMAND_PASTE Qt::Key_Reply, // 39 0x27 APPCOMMAND_REPLY_TO_MAIL Qt::Key_MailForward, // 40 0x28 APPCOMMAND_FORWARD_MAIL Qt::Key_Send, // 41 0x29 APPCOMMAND_SEND_MAIL Qt::Key_Spell, // 42 0x2a APPCOMMAND_SPELL_CHECK Qt::Key_unknown, // 43 0x2b APPCOMMAND_DICTATE_OR_COMMAND_CONTROL_TOGGLE Qt::Key_unknown, // 44 0x2c APPCOMMAND_MIC_ON_OFF_TOGGLE Qt::Key_unknown, // 45 0x2d APPCOMMAND_CORRECTION_LIST Qt::Key_MediaPlay, // 46 0x2e APPCOMMAND_MEDIA_PLAY Qt::Key_MediaPause, // 47 0x2f APPCOMMAND_MEDIA_PAUSE Qt::Key_MediaRecord, // 48 0x30 APPCOMMAND_MEDIA_RECORD Qt::Key_AudioForward, // 49 0x31 APPCOMMAND_MEDIA_FAST_FORWARD Qt::Key_AudioRewind, // 50 0x32 APPCOMMAND_MEDIA_REWIND Qt::Key_ChannelDown, // 51 0x33 APPCOMMAND_MEDIA_CHANNEL_DOWN Qt::Key_ChannelUp // 52 0x34 APPCOMMAND_MEDIA_CHANNEL_UP }; // 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_* }; static const size_t NumMods = sizeof ModsTbl / sizeof *ModsTbl; Q_STATIC_ASSERT((NumMods == KeyboardLayoutItem::NumQtKeys)); /** Remap return or action key to select key for windows mobile. */ inline int winceKeyBend(int keyCode) { return KeyTbl[keyCode]; } #ifdef Q_OS_WINCE QT_BEGIN_INCLUDE_NAMESPACE int ToUnicode(UINT vk, int /*scancode*/, unsigned char* /*kbdBuffer*/, LPWSTR unicodeBuffer, int, int) { QT_USE_NAMESPACE QChar* buf = reinterpret_cast< QChar*>(unicodeBuffer); if (KeyTbl[vk] == 0) { buf[0] = vk; return 1; } return 0; }
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int ToAscii(UINT vk, int scancode, unsigned char *kbdBuffer, LPWORD unicodeBuffer, int flag) { return ToUnicode(vk, scancode, kbdBuffer, (LPWSTR) unicodeBuffer, 0, flag); } bool GetKeyboardState(unsigned char* kbuffer) { for (int i=0; i< 256; ++i) kbuffer[i] = GetAsyncKeyState(i); return true; } QT_END_INCLUDE_NAMESPACE #endif // Q_OS_WINCE // 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); // When Ctrl modifier is used ToUnicode does not return correct values. In order to assign the // right key the control modifier is removed for just that function if the previous call failed. if (res == 0 && kbdBuffer[VK_CONTROL]) { const unsigned char controlState = kbdBuffer[VK_CONTROL]; kbdBuffer[VK_CONTROL] = 0; res = ToUnicode(vk, scancode, kbdBuffer, reinterpret_cast<LPWSTR>(unicodeBuffer), 5, 0); kbdBuffer[VK_CONTROL] = controlState; } 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; } 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 ]--- void QWindowsKeyMapper::deleteLayouts() { for (size_t i = 0; i < NumKeyboardLayoutItems; ++i) keyLayout[i].exists = false; }
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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; } // Helper function that is used when obtaining the list of characters that can be produced by one key and // every possible combination of modifiers 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); } // Adds the msg's key to keyLayout if it is not yet present there void QWindowsKeyMapper::updateKeyMap(const MSG &msg) { unsigned char kbdBuffer[256]; // Will hold the complete keyboard state GetKeyboardState(kbdBuffer); const quint32 scancode = (msg.lParam >> 16) & scancodeBitmask; updatePossibleKeyCodes(kbdBuffer, scancode, msg.wParam); } // Fills keyLayout for that vk_key. Values are all characters one can type using that key // (in connection with every combination of modifiers) and whether these "characters" are // dead keys. void QWindowsKeyMapper::updatePossibleKeyCodes(unsigned char *kbdBuffer, quint32 scancode, quint32 vk_key) { if (!vk_key || (keyLayout[vk_key].exists && !keyLayout[vk_key].dirty)) return; // 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 // keyLayout contains the actual characters which can be written using the vk_key together with the // different modifiers. '2' together with shift will for example cause the character // to be @ for a US key layout (thus keyLayout[vk_key].qtKey[1] will be @). In addition to that // it stores whether the resulting key is a dead key as these keys have to be handled later. bool isDeadKey = false; keyLayout[vk_key].deadkeys = 0;
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keyLayout[vk_key].dirty = false; keyLayout[vk_key].exists = true; 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 one of the values inserted into the keyLayout above, can be considered a dead key, we have // to run the workaround below. if (keyLayout[vk_key].deadkeys) { // 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::verbose > 1 && lcQpaEvents().isDebugEnabled()) { QString message; QDebug debug(&message); debug <<__FUNCTION__ << " for virtual key = 0x" << hex << vk_key << dec<< '\n'; for (size_t i = 0; i < NumMods; ++i) { const quint32 qtKey = keyLayout[vk_key].qtKey[i]; debug << " [" << i << "] (" << qtKey << ',' << hex << showbase << qtKey << noshowbase << dec << ",'" << char(qtKey ? qtKey : 0x03) << "')"; if (keyLayout[vk_key].deadkeys & (1<<i)) debug << " deadkey"; debug << '\n'; } qCDebug(lcQpaEvents) << message; } } static inline QString messageKeyText(const MSG &msg) { const QChar ch = QChar((ushort)msg.wParam); return ch.isNull() ? QString() : QString(ch);
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} 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 #ifndef Q_OS_WINCE #define enabled (MF_BYCOMMAND | MF_ENABLED) #define disabled (MF_BYCOMMAND | MF_GRAYED) EnableMenuItem(menu, SC_MINIMIZE, (topLevel->flags() & Qt::WindowMinimizeButtonHint)?enabled:disabled); bool maximized = IsZoomed(topLevelHwnd); EnableMenuItem(menu, SC_MAXIMIZE, ! (topLevel->flags() & 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->flags() & 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 #endif // !Q_OS_WINCE const QPoint pos = QHighDpi::toNativePixels(topLevel->geometry().topLeft(), topLevel); const int ret = TrackPopupMenuEx(menu, TPM_LEFTALIGN | TPM_TOPALIGN | TPM_NONOTIFY | TPM_RETURNCMD, pos.x(), pos.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; // Reset layout map when system keyboard layout is changed if (msg.message == WM_INPUTLANGCHANGE) {
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deleteLayouts(); return true; } #if defined(WM_APPCOMMAND) if (msg.message == WM_APPCOMMAND) return translateMultimediaKeyEventInternal(widget, msg); #endif // WM_(IME_)CHAR messages already contain the character in question so there is // no need to fiddle with our key map. In any other case add this key to the // keymap if it is not present yet. if (msg.message != WM_CHAR && msg.message != WM_IME_CHAR) updateKeyMap(msg); 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; return translateKeyEventInternal(widget, msg, false); } bool QWindowsKeyMapper::translateMultimediaKeyEventInternal(QWindow *window, const MSG &msg) { #if defined(WM_APPCOMMAND) const int cmd = GET_APPCOMMAND_LPARAM(msg.lParam); const int dwKeys = GET_KEYSTATE_LPARAM(msg.lParam); int state = 0; state |= (dwKeys & MK_SHIFT ? int(Qt::ShiftModifier) : 0); state |= (dwKeys & MK_CONTROL ? int(Qt::ControlModifier) : 0); QWindow *receiver = m_keyGrabber ? m_keyGrabber : window; if (cmd < 0 || cmd > 52) return false; const int qtKey = CmdTbl[cmd]; sendExtendedPressRelease(receiver, qtKey, Qt::KeyboardModifier(state), 0, 0, 0); // QTBUG-43343: Make sure to return false if Qt does not handle the key, otherwise, // the keys are not passed to the active media player. const QKeySequence sequence(Qt::Modifier(state) + qtKey); return QGuiApplicationPrivate::instance()->shortcutMap.hasShortcutForKeySequence(sequence); #else Q_UNREACHABLE(); return false; #endif } bool QWindowsKeyMapper::translateKeyEventInternal(QWindow *window, const MSG &msg, bool /* grab */) { const int msgType = msg.message; const quint32 scancode = (msg.lParam >> 16) & scancodeBitmask; quint32 vk_key = msg.wParam; 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);
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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 ? int(Qt::ShiftModifier) : 0); state |= (nModifiers & ControlAny ? int(Qt::ControlModifier) : 0); state |= (nModifiers & AltAny ? int(Qt::AltModifier) : 0); state |= (nModifiers & MetaAny ? int(Qt::MetaModifier) : 0); // 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); 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); 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); 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;
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// Translate VK_* (native) -> Key_* (Qt) keys int modifiersIndex = 0; modifiersIndex |= (nModifiers & ShiftAny ? 0x1 : 0); modifiersIndex |= (nModifiers & ControlAny ? 0x2 : 0); modifiersIndex |= (nModifiers & AltAny ? 0x4 : 0); int code = keyLayout[vk_key].qtKey[modifiersIndex]; // 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_Comma: 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 : int(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;
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} } // 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) { const QWindowsInputContext *windowsInputContext = qobject_cast<const QWindowsInputContext *>(QWindowsIntegration::instance()->inputContext()); if (!(windowsInputContext && windowsInputContext->isComposing())) vk_key = ImmGetVirtualKey((HWND)window->winId()); 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); }
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// 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); QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyPress, code, Qt::KeyboardModifier(state), scancode, msg.wParam, nModifiers, rec->text, true); 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(); const Qt::KeyboardModifiers modifiers(state); #ifndef QT_NO_SHORTCUT // Is Qt interested in the context menu key? if (modifiers == Qt::SHIFT && code == Qt::Key_F10 && !QGuiApplicationPrivate::instance()->shortcutMap.hasShortcutForKeySequence(QKeySequence(Qt::SHIFT + Qt::Key_F10))) { return false; } #endif // !QT_NO_SHORTCUT key_recorder.storeKey(msg.wParam, a, state, text); QWindowSystemInterface::handleExtendedKeyEvent(receiver, QEvent::KeyPress, code, modifiers, scancode, msg.wParam, nModifiers, text, false); result =true; bool store = true; #ifndef Q_OS_WINCE // 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); } } #endif // !Q_OS_WINCE if (!store) key_recorder.findKey(msg.wParam, true); } }
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// 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); result = true; #ifndef Q_OS_WINCE // 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); } } #endif } } return result; } Qt::KeyboardModifiers QWindowsKeyMapper::queryKeyboardModifiers() { Qt::KeyboardModifiers modifiers = Qt::NoModifier; if (GetKeyState(VK_SHIFT) < 0) modifiers |= Qt::ShiftModifier; if (GetKeyState(VK_CONTROL) < 0) modifiers |= Qt::ControlModifier; if (GetKeyState(VK_MENU) < 0) modifiers |= Qt::AltModifier; if (GetKeyState(VK_LWIN) < 0 || GetKeyState(VK_RWIN) < 0) modifiers |= Qt::MetaModifier; return modifiers; } QList<int> QWindowsKeyMapper::possibleKeys(const QKeyEvent *e) const { QList<int> result; const KeyboardLayoutItem &kbItem = keyLayout[e->nativeVirtualKey()]; if (!kbItem.exists) return result; quint32 baseKey = kbItem.qtKey[0]; Qt::KeyboardModifiers keyMods = e->modifiers(); if (baseKey == Qt::Key_Return && (e->nativeModifiers() & ExtendedKey)) { result << int(Qt::Key_Enter + keyMods); return result;
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} result << int(baseKey + keyMods); // The base key is _always_ valid, of course for (size_t i = 1; i < NumMods; ++i) { Qt::KeyboardModifiers neededMods = ModsTbl[i]; quint32 key = kbItem.qtKey[i]; if (key && key != baseKey && ((keyMods & neededMods) == neededMods)) result << int(key + (keyMods & ~neededMods)); } return result; } QT_END_NAMESPACE