kdecore Library API Documentation

kkeyserver_x11.cpp

00001 #include <config.h>
00002 
00003 #include <qnamespace.h>
00004 #include <qwindowdefs.h>
00005 
00006 #ifdef Q_WS_X11 // Only compile this module if we're compiling for X11
00007 
00008 #include "kkeyserver_x11.h"
00009 #include "kkeynative.h"
00010 #include "kshortcut.h"
00011 
00012 #include <kconfig.h>
00013 #include <kdebug.h>
00014 #include <kglobal.h>
00015 #include <klocale.h>
00016 
00017 #define XK_MISCELLANY
00018 #define XK_XKB_KEYS
00019 #include <X11/X.h>
00020 #include <X11/Xlib.h>
00021 #include <X11/Xutil.h>
00022 #include <X11/keysymdef.h>
00023 
00024 #undef NONE
00025 
00026 #ifndef KeyPress // for --enable-final
00027 #define KeyPress XKeyPress
00028 #endif
00029 
00030 namespace KKeyServer
00031 {
00032 
00033 //---------------------------------------------------------------------
00034 // Data Structures
00035 //---------------------------------------------------------------------
00036 
00037 struct Mod
00038 {
00039         int m_mod;
00040 };
00041 
00042 //---------------------------------------------------------------------
00043 // Array Structures
00044 //---------------------------------------------------------------------
00045 
00046 struct ModInfo
00047 {
00048         KKey::ModFlag mod;
00049         int modQt;
00050         uint modX;
00051         const char* psName;
00052         QString sLabel;
00053 };
00054 
00055 struct SymVariation
00056 {
00057         uint sym, symVariation;
00058         bool bActive;
00059 };
00060 
00061 struct SymName
00062 {
00063         uint sym;
00064         const char* psName;
00065 };
00066 
00067 struct TransKey {
00068         int keySymQt;
00069         uint keySymX;
00070 };
00071 
00072 //---------------------------------------------------------------------
00073 // Arrays
00074 //---------------------------------------------------------------------
00075 
00076 static ModInfo g_rgModInfo[KKey::MOD_FLAG_COUNT] =
00077 {
00078         { KKey::SHIFT, Qt::SHIFT,   ShiftMask,   I18N_NOOP("Shift"), QString() },
00079         { KKey::CTRL,  Qt::CTRL,    ControlMask, I18N_NOOP("Ctrl"), QString() },
00080         { KKey::ALT,   Qt::ALT,     Mod1Mask,    I18N_NOOP("Alt"), QString() },
00081         { KKey::WIN,   KKey::QtWIN, Mod4Mask,    I18N_NOOP("Win"), QString() }
00082 };
00083 
00084 static SymVariation g_rgSymVariation[] =
00085 {
00086         { '/', XK_KP_Divide, false },
00087         { '*', XK_KP_Multiply, false },
00088         { '-', XK_KP_Subtract, false },
00089         { '+', XK_KP_Add, false },
00090         { XK_Return, XK_KP_Enter, false },
00091         { 0, 0, false }
00092 };
00093 
00094 // Special Names List
00095 static const SymName g_rgSymNames[] = {
00096         { XK_ISO_Left_Tab, "Backtab" },
00097         { XK_BackSpace,    I18N_NOOP("Backspace") },
00098         { XK_Sys_Req,      I18N_NOOP("SysReq") },
00099         { XK_Caps_Lock,    I18N_NOOP("CapsLock") },
00100         { XK_Num_Lock,     I18N_NOOP("NumLock") },
00101         { XK_Scroll_Lock,  I18N_NOOP("ScrollLock") },
00102         { XK_Prior,        I18N_NOOP("PageUp") },
00103         { XK_Next,         I18N_NOOP("PageDown") },
00104         { 0, 0 }
00105 };
00106 
00107 // TODO: Add Mac key names list: Key_Backspace => "Delete", Key_Delete => "Del"
00108 
00109 // These are the X equivalents to the Qt keycodes 0x1000 - 0x1026
00110 static const TransKey g_rgQtToSymX[] =
00111 {
00112         { Qt::Key_Escape,     XK_Escape },
00113         { Qt::Key_Tab,        XK_Tab },
00114         { Qt::Key_Backtab,    XK_ISO_Left_Tab },
00115         { Qt::Key_Backspace,  XK_BackSpace },
00116         { Qt::Key_Return,     XK_Return },
00117         { Qt::Key_Enter,      XK_KP_Enter },
00118         { Qt::Key_Insert,     XK_Insert },
00119         { Qt::Key_Delete,     XK_Delete },
00120         { Qt::Key_Pause,      XK_Pause },
00121         { Qt::Key_Print,      XK_Print },
00122         { Qt::Key_SysReq,     XK_Sys_Req },
00123         { Qt::Key_Home,       XK_Home },
00124         { Qt::Key_End,        XK_End },
00125         { Qt::Key_Left,       XK_Left },
00126         { Qt::Key_Up,         XK_Up },
00127         { Qt::Key_Right,      XK_Right },
00128         { Qt::Key_Down,       XK_Down },
00129         { Qt::Key_Prior,      XK_Prior },
00130         { Qt::Key_Next,       XK_Next },
00131         //{ Qt::Key_Shift,      0 },
00132         //{ Qt::Key_Control,    0 },
00133         //{ Qt::Key_Meta,       0 },
00134         //{ Qt::Key_Alt,        0 },
00135         { Qt::Key_CapsLock,   XK_Caps_Lock },
00136         { Qt::Key_NumLock,    XK_Num_Lock },
00137         { Qt::Key_ScrollLock, XK_Scroll_Lock },
00138         { Qt::Key_F1,         XK_F1 },
00139         { Qt::Key_F2,         XK_F2 },
00140         { Qt::Key_F3,         XK_F3 },
00141         { Qt::Key_F4,         XK_F4 },
00142         { Qt::Key_F5,         XK_F5 },
00143         { Qt::Key_F6,         XK_F6 },
00144         { Qt::Key_F7,         XK_F7 },
00145         { Qt::Key_F8,         XK_F8 },
00146         { Qt::Key_F9,         XK_F9 },
00147         { Qt::Key_F10,        XK_F10 },
00148         { Qt::Key_F11,        XK_F11 },
00149         { Qt::Key_F12,        XK_F12 },
00150         { Qt::Key_F13,        XK_F13 },
00151         { Qt::Key_F14,        XK_F14 },
00152         { Qt::Key_F15,        XK_F15 },
00153         { Qt::Key_F16,        XK_F16 },
00154         { Qt::Key_F17,        XK_F17 },
00155         { Qt::Key_F18,        XK_F18 },
00156         { Qt::Key_F19,        XK_F19 },
00157         { Qt::Key_F20,        XK_F20 },
00158         { Qt::Key_F21,        XK_F21 },
00159         { Qt::Key_F22,        XK_F22 },
00160         { Qt::Key_F23,        XK_F23 },
00161         { Qt::Key_F24,        XK_F24 },
00162         { Qt::Key_F25,        XK_F25 },
00163         { Qt::Key_F26,        XK_F26 },
00164         { Qt::Key_F27,        XK_F27 },
00165         { Qt::Key_F28,        XK_F28 },
00166         { Qt::Key_F29,        XK_F29 },
00167         { Qt::Key_F30,        XK_F30 },
00168         { Qt::Key_F31,        XK_F31 },
00169         { Qt::Key_F32,        XK_F32 },
00170         { Qt::Key_F33,        XK_F33 },
00171         { Qt::Key_F34,        XK_F34 },
00172         { Qt::Key_F35,        XK_F35 },
00173         { Qt::Key_Super_L,    XK_Super_L },
00174         { Qt::Key_Super_R,    XK_Super_R },
00175         { Qt::Key_Menu,       XK_Menu },
00176         { Qt::Key_Hyper_L,    XK_Hyper_L },
00177         { Qt::Key_Hyper_R,    XK_Hyper_R },
00178         { Qt::Key_Help,       XK_Help },
00179         //{ Qt::Key_Direction_L, XK_Direction_L }, These keys don't exist in X11
00180         //{ Qt::Key_Direction_R, XK_Direction_R },
00181 
00182         { '/',                XK_KP_Divide },
00183         { '*',                XK_KP_Multiply },
00184         { '-',                XK_KP_Subtract },
00185         { '+',                XK_KP_Add },
00186         { Qt::Key_Return,     XK_KP_Enter }
00187 #if QT_VERSION >= 0x030100
00188 
00189 // the next lines are taken from XFree > 4.0 (X11/XF86keysyms.h), defining some special
00190 // multimedia keys. They are included here as not every system has them.
00191 #define XF86XK_Standby          0x1008FF10
00192 #define XF86XK_AudioLowerVolume 0x1008FF11
00193 #define XF86XK_AudioMute        0x1008FF12
00194 #define XF86XK_AudioRaiseVolume 0x1008FF13
00195 #define XF86XK_AudioPlay        0x1008FF14
00196 #define XF86XK_AudioStop        0x1008FF15
00197 #define XF86XK_AudioPrev        0x1008FF16
00198 #define XF86XK_AudioNext        0x1008FF17
00199 #define XF86XK_HomePage         0x1008FF18
00200 #define XF86XK_Calculator       0x1008FF1D
00201 #define XF86XK_Mail             0x1008FF19
00202 #define XF86XK_Start            0x1008FF1A
00203 #define XF86XK_Search           0x1008FF1B
00204 #define XF86XK_AudioRecord      0x1008FF1C
00205 #define XF86XK_Back             0x1008FF26
00206 #define XF86XK_Forward          0x1008FF27
00207 #define XF86XK_Stop             0x1008FF28
00208 #define XF86XK_Refresh          0x1008FF29
00209 #define XF86XK_Favorites        0x1008FF30
00210 #define XF86XK_AudioPause       0x1008FF31
00211 #define XF86XK_AudioMedia       0x1008FF32
00212 #define XF86XK_MyComputer       0x1008FF33
00213 #define XF86XK_OpenURL          0x1008FF38
00214 #define XF86XK_Launch0          0x1008FF40
00215 #define XF86XK_Launch1          0x1008FF41
00216 #define XF86XK_Launch2          0x1008FF42
00217 #define XF86XK_Launch3          0x1008FF43
00218 #define XF86XK_Launch4          0x1008FF44
00219 #define XF86XK_Launch5          0x1008FF45
00220 #define XF86XK_Launch6          0x1008FF46
00221 #define XF86XK_Launch7          0x1008FF47
00222 #define XF86XK_Launch8          0x1008FF48
00223 #define XF86XK_Launch9          0x1008FF49
00224 #define XF86XK_LaunchA          0x1008FF4A
00225 #define XF86XK_LaunchB          0x1008FF4B
00226 #define XF86XK_LaunchC          0x1008FF4C
00227 #define XF86XK_LaunchD          0x1008FF4D
00228 #define XF86XK_LaunchE          0x1008FF4E
00229 #define XF86XK_LaunchF          0x1008FF4F
00230 // end of XF86keysyms.h
00231         ,
00232         { Qt::Key_Standby,    XF86XK_Standby },
00233         { Qt::Key_VolumeDown, XF86XK_AudioLowerVolume },
00234         { Qt::Key_VolumeMute, XF86XK_AudioMute },
00235         { Qt::Key_VolumeUp,   XF86XK_AudioRaiseVolume },
00236         { Qt::Key_MediaPlay,  XF86XK_AudioPlay },
00237         { Qt::Key_MediaStop,  XF86XK_AudioStop },
00238         { Qt::Key_MediaPrev,  XF86XK_AudioPrev },
00239         { Qt::Key_MediaNext,  XF86XK_AudioNext },
00240         { Qt::Key_HomePage,   XF86XK_HomePage },
00241         { Qt::Key_LaunchMail, XF86XK_Mail },
00242         { Qt::Key_Search,     XF86XK_Search },
00243         { Qt::Key_MediaRecord, XF86XK_AudioRecord },
00244         { Qt::Key_LaunchMedia, XF86XK_AudioMedia },
00245         { Qt::Key_Launch1,    XF86XK_Calculator },
00246         { Qt::Key_Back,       XF86XK_Back },
00247         { Qt::Key_Forward,    XF86XK_Forward },
00248         { Qt::Key_Stop,       XF86XK_Stop },
00249         { Qt::Key_Refresh,    XF86XK_Refresh },
00250         { Qt::Key_Favorites,  XF86XK_Favorites },
00251         { Qt::Key_Launch0,    XF86XK_MyComputer },
00252         { Qt::Key_OpenUrl,    XF86XK_OpenURL },
00253         { Qt::Key_Launch2,    XF86XK_Launch0 },
00254         { Qt::Key_Launch3,    XF86XK_Launch1 },
00255         { Qt::Key_Launch4,    XF86XK_Launch2 },
00256         { Qt::Key_Launch5,    XF86XK_Launch3 },
00257         { Qt::Key_Launch6,    XF86XK_Launch4 },
00258         { Qt::Key_Launch7,    XF86XK_Launch5 },
00259         { Qt::Key_Launch8,    XF86XK_Launch6 },
00260         { Qt::Key_Launch9,    XF86XK_Launch7 },
00261         { Qt::Key_LaunchA,    XF86XK_Launch8 },
00262         { Qt::Key_LaunchB,    XF86XK_Launch9 },
00263         { Qt::Key_LaunchC,    XF86XK_LaunchA },
00264         { Qt::Key_LaunchD,    XF86XK_LaunchB },
00265         { Qt::Key_LaunchE,    XF86XK_LaunchC },
00266         { Qt::Key_LaunchF,    XF86XK_LaunchD },
00267 #endif
00268 };
00269 
00270 //---------------------------------------------------------------------
00271 // Initialization
00272 //---------------------------------------------------------------------
00273 static bool g_bInitializedMods, g_bInitializedVariations, g_bInitializedKKeyLabels;
00274 static bool g_bMacLabels;
00275 static uint g_modXNumLock, g_modXScrollLock;
00276 
00277 bool initializeMods()
00278 {
00279         XModifierKeymap* xmk = XGetModifierMapping( qt_xdisplay() );
00280 
00281         g_rgModInfo[3].modX = g_modXNumLock = g_modXScrollLock = 0;
00282 
00283         // Qt assumes that Alt is always Mod1Mask, so start at Mod2Mask.
00284         for( int i = Mod2MapIndex; i < 8; i++ ) {
00285                 uint mask = (1 << i);
00286                 uint keySymX = XKeycodeToKeysym( qt_xdisplay(), xmk->modifiermap[xmk->max_keypermod * i], 0 );
00287                 switch( keySymX ) {
00288                         case XK_Num_Lock:    g_modXNumLock = mask; break;     // Normally Mod2Mask
00289                         case XK_Super_L:
00290                         case XK_Super_R:     g_rgModInfo[3].modX = mask; break; // Win key, Normally Mod4Mask
00291                         case XK_Meta_L:
00292                         case XK_Meta_R:      if( !g_rgModInfo[3].modX ) g_rgModInfo[3].modX = mask; break; // Win alternate
00293                         case XK_Scroll_Lock: g_modXScrollLock = mask; break;  // Normally Mod5Mask
00294                 }
00295         }
00296 
00297         XFreeModifiermap( xmk );
00298 
00299         //KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00300         // read in mod that win should be attached to
00301 
00302         g_bInitializedMods = true;
00303 
00304         kdDebug(125) << "KKeyServer::initializeMods(): Win Mod = 0x" << QString::number(g_rgModInfo[3].modX, 16) << endl;
00305         return true;
00306 }
00307 
00308 static void initializeVariations()
00309 {
00310         for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00311                 g_rgSymVariation[i].bActive = (XKeysymToKeycode( qt_xdisplay(), g_rgSymVariation[i].symVariation ) != 0);
00312         g_bInitializedVariations = true;
00313 }
00314 
00315 static void intializeKKeyLabels()
00316 {
00317         KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00318         g_rgModInfo[0].sLabel = KGlobal::config()->readEntry( "Label Shift", i18n(g_rgModInfo[0].psName) );
00319         g_rgModInfo[1].sLabel = KGlobal::config()->readEntry( "Label Ctrl", i18n(g_rgModInfo[1].psName) );
00320         g_rgModInfo[2].sLabel = KGlobal::config()->readEntry( "Label Alt", i18n(g_rgModInfo[2].psName) );
00321         g_rgModInfo[3].sLabel = KGlobal::config()->readEntry( "Label Win", i18n(g_rgModInfo[3].psName) );
00322         g_bMacLabels = (g_rgModInfo[2].sLabel == "Command");
00323         g_bInitializedKKeyLabels = true;
00324 }
00325 
00326 //---------------------------------------------------------------------
00327 // class Mod
00328 //---------------------------------------------------------------------
00329 
00330 /*void Mod::init( const QString& s )
00331 {
00332 
00333 }*/
00334 
00335 //---------------------------------------------------------------------
00336 // class Sym
00337 //---------------------------------------------------------------------
00338 
00339 bool Sym::initQt( int keyQt )
00340 {
00341         int symQt = keyQt & 0xffff;
00342 
00343         if( (keyQt & Qt::UNICODE_ACCEL) || symQt < 0x1000 ) {
00344                 m_sym = QChar(symQt).lower().unicode();
00345                 return true;
00346         }
00347 
00348         for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ ) {
00349                 if( g_rgQtToSymX[i].keySymQt == symQt ) {
00350                         m_sym = g_rgQtToSymX[i].keySymX;
00351                         return true;
00352                 }
00353         }
00354 
00355         m_sym = 0;
00356         if( symQt != Qt::Key_Shift && symQt != Qt::Key_Control && symQt != Qt::Key_Alt &&
00357             symQt != Qt::Key_Meta && symQt != Qt::Key_Direction_L && symQt != Qt::Key_Direction_R )
00358                 kdDebug(125) << "Sym::initQt( " << QString::number(keyQt,16) << " ): failed to convert key." << endl;
00359         return false;
00360 }
00361 
00362 bool Sym::init( const QString& s )
00363 {
00364         if( s.length() == 1 ) {
00365                 m_sym = s[0].lower().unicode();
00366                 return true;
00367         }
00368 
00369         // Look up in special names list
00370         for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00371                 if( qstricmp( s.latin1(), g_rgSymNames[i].psName ) == 0 ) {
00372                         m_sym = g_rgSymNames[i].sym;
00373                         return true;
00374                 }
00375         }
00376 
00377         // search X list: 's' as is, all lower, first letter in caps
00378         m_sym = XStringToKeysym( s.latin1() );
00379         if( !m_sym ) {
00380                 m_sym = XStringToKeysym( s.lower().latin1() );
00381                 if( !m_sym ) {
00382                         QString s2 = s;
00383                         s2[0] = s2[0].upper();
00384                         m_sym = XStringToKeysym( s2.latin1() );
00385                 }
00386         }
00387 
00388         return m_sym != 0;
00389 }
00390 
00391 int Sym::qt() const
00392 {
00393         if( m_sym < 0x1000 ) {
00394                 if( m_sym >= 'a' && m_sym <= 'z' )
00395                         return QChar(m_sym).upper();
00396                 return m_sym;
00397         }
00398         if( m_sym < 0x3000 )
00399                 return m_sym | Qt::UNICODE_ACCEL;
00400 
00401         for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ )
00402                 if( g_rgQtToSymX[i].keySymX == m_sym )
00403                         return g_rgQtToSymX[i].keySymQt;
00404         return Qt::Key_unknown;
00405 }
00406 
00407 QString Sym::toString( bool bUserSpace ) const
00408 {
00409         // If it's a unicode character,
00410         if( m_sym == 0 )
00411                 return QString::null;
00412                 
00413         else if( m_sym < 0x3000 ) {
00414                 QChar c = QChar(m_sym).upper();
00415                 // Print all non-space characters directly when output is user-visible.
00416                 // Otherwise only print alphanumeric latin1 characters directly (A,B,C,1,2,3).
00417                 if( (c.latin1() && c.isLetterOrNumber())
00418                     || (bUserSpace && !c.isSpace()) )
00419                                 return c;
00420         }
00421 
00422         // Look up in special names list
00423         for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00424                 if( m_sym == g_rgSymNames[i].sym )
00425                         return bUserSpace ? i18n(g_rgSymNames[i].psName) : QString(g_rgSymNames[i].psName);
00426         }
00427         
00428         // Get X-name
00429         QString s = XKeysymToString( m_sym );
00430         capitalizeKeyname( s );
00431         return bUserSpace ? i18n("QAccel", s.latin1()) : s;
00432 }
00433 
00434 QString Sym::toStringInternal() const { return toString( false ); }
00435 QString Sym::toString() const         { return toString( true ); }
00436 
00437 uint Sym::getModsRequired() const
00438 {
00439         uint mod = 0;
00440 
00441         // FIXME: This might not be true on all keyboard layouts!
00442         if( m_sym == XK_Sys_Req ) return KKey::ALT;
00443         if( m_sym == XK_Break ) return KKey::CTRL;
00444 
00445         if( m_sym < 0x3000 ) {
00446                 QChar c(m_sym);
00447                 if( c.isLetter() && c.lower() != c.upper() && m_sym == c.upper().unicode() )
00448                         return KKey::SHIFT;
00449         }
00450 
00451         uchar code = XKeysymToKeycode( qt_xdisplay(), m_sym );
00452         if( code ) {
00453                 // need to check index 0 before the others, so that a null-mod
00454                 //  can take precedence over the others, in case the modified
00455                 //  key produces the same symbol.
00456                 if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 0 ) )
00457                         ;
00458                 else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 1 ) )
00459                         mod = KKey::SHIFT;
00460                 else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 2 ) )
00461                         mod = KKeyServer::MODE_SWITCH;
00462                 else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 3 ) )
00463                         mod = KKey::SHIFT | KKeyServer::MODE_SWITCH;
00464         }
00465 
00466         return mod;
00467 }
00468 
00469 uint Sym::getSymVariation() const
00470 {
00471         if( !g_bInitializedVariations )
00472                 initializeVariations();
00473 
00474         for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00475                 if( g_rgSymVariation[i].sym == m_sym && g_rgSymVariation[i].bActive )
00476                         return g_rgSymVariation[i].symVariation;
00477         return 0;
00478 }
00479 
00480 void Sym::capitalizeKeyname( QString& s )
00481 {
00482         s[0] = s[0].upper();
00483         int len = s.length();
00484         if( s.endsWith( "left" ) )       s[len-4] = 'L';
00485         else if( s.endsWith( "right" ) ) s[len-5] = 'R';
00486         else if( s == "Sysreq" )         s[len-3] = 'R';
00487 }
00488 
00489 //---------------------------------------------------------------------
00490 // Public functions
00491 //---------------------------------------------------------------------
00492 
00493 uint modX( KKey::ModFlag mod )
00494 {
00495         if( mod == KKey::WIN && !g_bInitializedMods )
00496                 initializeMods();
00497 
00498         for( uint i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00499                 if( g_rgModInfo[i].mod == mod )
00500                         return g_rgModInfo[i].modX;
00501         }
00502         return 0;
00503 }
00504 
00505 bool keyboardHasWinKey() { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX != 0; }
00506 uint modXShift()      { return ShiftMask; }
00507 uint modXLock()       { return LockMask; }
00508 uint modXCtrl()       { return ControlMask; }
00509 uint modXAlt()        { return Mod1Mask; }
00510 uint modXNumLock()    { if( !g_bInitializedMods ) { initializeMods(); } return g_modXNumLock; }
00511 uint modXWin()        { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX; }
00512 uint modXScrollLock() { if( !g_bInitializedMods ) { initializeMods(); } return g_modXScrollLock; }
00513 
00514 uint accelModMaskX()
00515 {
00516         if( !g_bInitializedMods )
00517                 initializeMods();
00518         return ShiftMask | ControlMask | Mod1Mask | g_rgModInfo[3].modX;
00519 }
00520 
00521 bool keyQtToSym( int keyQt, uint& keySym )
00522 {
00523         Sym sym;
00524         if( sym.initQt( keyQt ) ) {
00525                 keySym = sym.m_sym;
00526                 return true;
00527         } else
00528                 return false;
00529 }
00530 
00531 bool keyQtToMod( int keyQt, uint& mod )
00532 {
00533         mod = 0;
00534 
00535         if( keyQt & Qt::SHIFT )    mod |= KKey::SHIFT;
00536         if( keyQt & Qt::CTRL )     mod |= KKey::CTRL;
00537         if( keyQt & Qt::ALT )      mod |= KKey::ALT;
00538         if( keyQt & (Qt::ALT<<1) ) mod |= KKey::WIN;
00539 
00540         return true;
00541 }
00542 
00543 bool symToKeyQt( uint keySym, int& keyQt )
00544 {
00545         Sym sym( keySym );
00546         keyQt = sym.qt();
00547         return (keyQt != Qt::Key_unknown);
00548 }
00549 
00550 bool modToModQt( uint mod, int& modQt )
00551 {
00552         modQt = 0;
00553         for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00554                 if( mod & g_rgModInfo[i].mod ) {
00555                         if( !g_rgModInfo[i].modQt ) {
00556                                 modQt = 0;
00557                                 return false;
00558                         }
00559                         modQt |= g_rgModInfo[i].modQt;
00560                 }
00561         }
00562         return true;
00563 }
00564 
00565 bool modToModX( uint mod, uint& modX )
00566 {
00567         if( !g_bInitializedMods )
00568                 initializeMods();
00569 
00570         modX = 0;
00571         for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00572                 if( mod & g_rgModInfo[i].mod ) {
00573                         if( !g_rgModInfo[i].modX ) {
00574                                 kdDebug(125) << "Invalid modifier flag." << endl;
00575                                 modX = 0;
00576                                 return false;
00577                         }
00578                         modX |= g_rgModInfo[i].modX;
00579                 }
00580         }
00581         // TODO: document 0x2000 flag
00582         if( mod & 0x2000 )
00583           modX |= 0x2000;
00584         return true;
00585 }
00586 
00587 bool modXToModQt( uint modX, int& modQt )
00588 {
00589         if( !g_bInitializedMods )
00590                 initializeMods();
00591         
00592         modQt = 0;
00593         for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00594                 if( modX & g_rgModInfo[i].modX ) {
00595                         if( !g_rgModInfo[i].modQt ) {
00596                                 modQt = 0;
00597                                 return false;
00598                         }
00599                         modQt |= g_rgModInfo[i].modQt;
00600                 }
00601         }
00602         return true;
00603 }
00604 
00605 bool modXToMod( uint modX, uint& mod )
00606 {
00607         if( !g_bInitializedMods )
00608                 initializeMods();
00609         
00610         mod = 0;
00611         for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00612                 if( modX & g_rgModInfo[i].modX )
00613                         mod |= g_rgModInfo[i].mod;
00614         }
00615         return true;
00616 }
00617 
00618 bool codeXToSym( uchar codeX, uint modX, uint& sym )
00619 {
00620         XKeyPressedEvent event;
00621 
00622         event.type = KeyPress;
00623         event.display = qt_xdisplay();
00624         event.state = modX;
00625         event.keycode = codeX;
00626 
00627         XLookupString( &event, 0, 0, (KeySym*) &sym, 0 );
00628         return true;
00629 }
00630 
00631 static QString modToString( uint mod, bool bUserSpace )
00632 {
00633         if( bUserSpace && !g_bInitializedKKeyLabels )
00634                 intializeKKeyLabels();
00635 
00636         QString s;
00637         for( int i = KKey::MOD_FLAG_COUNT-1; i >= 0; i-- ) {
00638                 if( mod & g_rgModInfo[i].mod ) {
00639                         if( !s.isEmpty() )
00640                                 s += '+';
00641                         s += (bUserSpace)
00642                                   ? g_rgModInfo[i].sLabel
00643                                   : QString(g_rgModInfo[i].psName);
00644                 }
00645         }
00646         return s;
00647 }
00648 
00649 QString modToStringInternal( uint mod ) { return modToString( mod, false ); }
00650 QString modToStringUser( uint mod )     { return modToString( mod, true ); }
00651 
00652 /*void keySymModToKeyX( uint sym, uint mod, unsigned char *pKeyCodeX, uint *pKeySymX, uint *pKeyModX )
00653 {
00654 ...
00655         uint    keySymQt;
00656         uint    keySymX = 0;
00657         unsigned char   keyCodeX = 0;
00658         uint    keyModX = 0;
00659 
00660         const char *psKeySym = 0;
00661 
00662         if( !g_bInitialized )
00663                 Initialize();
00664 
00665         // Get code of just the primary key
00666         keySymQt = keyCombQt & 0xffff;
00667 
00668         // If unicode value beneath 0x1000 (special Qt codes begin thereafter),
00669         if( keySymQt < 0x1000 ) {
00670                 // For reasons unbeknownst to me, Qt converts 'a-z' to 'A-Z'.
00671                 // So convert it back to lowercase if SHIFT isn't held down.
00672                 if( keySymQt >= Qt::Key_A && keySymQt <= Qt::Key_Z && !(keyCombQt & Qt::SHIFT) )
00673                         keySymQt = tolower( keySymQt );
00674                 keySymX = keySymQt;
00675         }
00676         // Else, special key (e.g. Delete, F1, etc.)
00677         else {
00678                 for( int i = 0; i < NB_KEYS; i++ ) {
00679                         if( keySymQt == (uint) KKEYS[i].code ) {
00680                                 psKeySym = KKEYS[i].name;
00681                                 //kdDebug(125) << " symbol found: \"" << psKeySym << "\"" << endl;
00682                                 break;
00683                         }
00684                 }
00685 
00686                 // Get X key symbol.  Only works if Qt name is same as X name.
00687                 if( psKeySym ) {
00688                         QString sKeySym = psKeySym;
00689 
00690                         // Check for lower-case equalent first because most
00691                         //  X11 names are all lower-case.
00692                         keySymX = XStringToKeysym( sKeySym.lower().ascii() );
00693                         if( keySymX == 0 )
00694                                 keySymX = XStringToKeysym( psKeySym );
00695                 }
00696 
00697                 if( keySymX == 0 )
00698                         keySymX = getSymXEquiv( keySymQt );
00699         }
00700 
00701         if( keySymX != 0 ) {
00702                 // Get X keyboard code
00703                 keyCodeX = XKeysymToKeycode( qt_xdisplay(), keySymX );
00704                 // Add ModeSwitch modifier bit, if necessary
00705                 keySymXMods( keySymX, 0, &keyModX );
00706 
00707                 // Get X modifier flags
00708                 for( int i = 0; i < MOD_KEYS; i++ ) {
00709                         if( keyCombQt & g_aModKeys[i].keyModMaskQt ) {
00710                                 if( g_aModKeys[i].keyModMaskX )
00711                                         keyModX |= g_aModKeys[i].keyModMaskX;
00712                                 // Qt key calls for a modifier which the current
00713                                 //  X modifier map doesn't support.
00714                                 else {
00715                                         keySymX = 0;
00716                                         keyCodeX = 0;
00717                                         keyModX = 0;
00718                                         break;
00719                                 }
00720                         }
00721                 }
00722         }
00723 
00724         // Take care of complications:
00725         //  The following keys will not have been correctly interpreted,
00726         //   because their shifted values are not activated with the
00727         //   Shift key, but rather something else.  They are also
00728         //   defined twice under different keycodes.
00729         //  keycode 111 & 92:  Print Sys_Req -> Sys_Req = Alt+Print
00730         //  keycode 110 & 114: Pause Break   -> Break = Ctrl+Pause
00731         if( (keyCodeX == 92 || keyCodeX == 111) &&
00732             XKeycodeToKeysym( qt_xdisplay(), 92, 0 ) == XK_Print &&
00733             XKeycodeToKeysym( qt_xdisplay(), 111, 0 ) == XK_Print )
00734         {
00735                 // If Alt is pressed, then we need keycode 92, keysym XK_Sys_Req
00736                 if( keyModX & keyModXAlt() ) {
00737                         keyCodeX = 92;
00738                         keySymX = XK_Sys_Req;
00739                 }
00740                 // Otherwise, keycode 111, keysym XK_Print
00741                 else {
00742                         keyCodeX = 111;
00743                         keySymX = XK_Print;
00744                 }
00745         }
00746         else if( (keyCodeX == 110 || keyCodeX == 114) &&
00747             XKeycodeToKeysym( qt_xdisplay(), 110, 0 ) == XK_Pause &&
00748             XKeycodeToKeysym( qt_xdisplay(), 114, 0 ) == XK_Pause )
00749         {
00750                 if( keyModX & keyModXCtrl() ) {
00751                         keyCodeX = 114;
00752                         keySymX = XK_Break;
00753                 } else {
00754                         keyCodeX = 110;
00755                         keySymX = XK_Pause;
00756                 }
00757         }
00758 
00759         if( pKeySymX )  *pKeySymX = keySymX;
00760         if( pKeyCodeX ) *pKeyCodeX = keyCodeX;
00761         if( pKeyModX )  *pKeyModX = keyModX;
00762 }*/
00763 
00764 //---------------------------------------------------------------------
00765 // Key
00766 //---------------------------------------------------------------------
00767 
00768 bool Key::init( const KKey& key, bool bQt )
00769 {
00770         if( bQt ) {
00771                 m_code = CODE_FOR_QT;
00772                 m_sym = key.keyCodeQt();
00773         } else {
00774                 KKeyNative keyNative( key );
00775                 *this = keyNative;
00776         }
00777         return true;
00778 }
00779 
00780 KKey Key::key() const
00781 {
00782         if( m_code == CODE_FOR_QT )
00783                 return KKey( keyCodeQt() );
00784         else {
00785                 uint mod;
00786                 modXToMod( m_mod, mod );
00787                 return KKey( m_sym, mod );
00788         }
00789 }
00790 
00791 Key& Key::operator =( const KKeyNative& key )
00792 {
00793         m_code = key.code(); m_mod = key.mod(); m_sym = key.sym();
00794         return *this;
00795 }
00796 
00797 int Key::compare( const Key& b ) const
00798 {
00799         if( m_code == CODE_FOR_QT )
00800                 return m_sym - b.m_sym;
00801         if( m_sym != b.m_sym )  return m_sym - b.m_sym;
00802         if( m_mod != b.m_mod )  return m_mod - b.m_mod;
00803         return m_code - b.m_code;
00804 }
00805 
00806 //---------------------------------------------------------------------
00807 // Variations
00808 //---------------------------------------------------------------------
00809 
00810 // TODO: allow for sym to have variations, such as Plus => { Plus, KP_Add }
00811 void Variations::init( const KKey& key, bool bQt )
00812 {
00813         if( key.isNull() ) {
00814                 m_nVariations = 0;
00815                 return;
00816         }
00817 
00818         m_nVariations = 1;
00819         m_rgkey[0] = KKeyNative(key);
00820         uint symVar = Sym(key.sym()).getSymVariation();
00821         if( symVar ) {
00822                 uint modReq = Sym(m_rgkey[0].sym()).getModsRequired();
00823                 uint modReqVar = Sym(symVar).getModsRequired();
00824                 // If 'key' doesn't require any mods that are inherent in
00825                 //  the primary key but not required for the alternate,
00826                 if( (key.modFlags() & modReq) == (key.modFlags() & modReqVar) ) {
00827                         m_rgkey[1] = KKeyNative(KKey(symVar, key.modFlags()));
00828                         m_nVariations = 2;
00829                 }
00830         }
00831 
00832         if( bQt ) {
00833                 uint nVariations = 0;
00834                 for( uint i = 0; i < m_nVariations; i++ ) {
00835                         int keyQt = KKeyNative( m_rgkey[i].code(), m_rgkey[i].mod(), m_rgkey[i].sym() ).keyCodeQt();
00836                         if( keyQt )
00837                                 m_rgkey[nVariations++].setKeycodeQt( keyQt );
00838                 }
00839                 m_nVariations = nVariations;
00840 
00841                 // Two different native codes may produce a single
00842                 //  Qt code.  Search for duplicates.
00843                 for( uint i = 1; i < m_nVariations; i++ ) {
00844                         for( uint j = 0; j < i; j++ ) {
00845                                 // If key is already present in list, then remove it.
00846                                 if( m_rgkey[i].keyCodeQt() == m_rgkey[j].keyCodeQt() ) {
00847                                         for( uint k = i; k < m_nVariations - 1; k++ )
00848                                                 m_rgkey[k].setKeycodeQt( m_rgkey[k+1].keyCodeQt() );
00849                                         m_nVariations--;
00850                                         i--;
00851                                         break;
00852                                 }
00853                         }
00854                 }
00855         }
00856 }
00857 
00858 } // end of namespace KKeyServer block
00859 #undef KeyPress
00860 
00861 // FIXME: This needs to be moved to kshortcut.cpp, and create a 
00862 //  KKeyServer::method which it will call.
00863 // Alt+SysReq => Alt+Print
00864 // Ctrl+Shift+Plus => Ctrl+Plus (en)
00865 // Ctrl+Shift+Equal => Ctrl+Plus
00866 // Ctrl+Pause => Ctrl+Break
00867 void KKey::simplify()
00868 {
00869         if( m_sym == XK_Sys_Req ) {
00870                 m_sym = XK_Print;
00871                 m_mod |= ALT;
00872         } else if( m_sym == XK_ISO_Left_Tab ) {
00873                 m_sym = XK_Tab;
00874                 m_mod |= SHIFT;
00875         } else {
00876                 // Shift+Equal => Shift+Plus (en)
00877                 m_sym = KKeyNative(*this).sym();
00878         }
00879 
00880         // If this is a letter, don't remove any modifiers.
00881         if( m_sym < 0x3000 && QChar(m_sym).isLetter() )
00882                 m_sym = QChar(m_sym).lower().unicode();
00883 
00884         // Remove modifers from modifier list which are implicit in the symbol.
00885         // Ex. Shift+Plus => Plus (en)
00886         m_mod &= ~KKeyServer::Sym(m_sym).getModsRequired();
00887 }
00888 
00889 #endif // Q_WS_X11
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This file is part of the documentation for kdelibs Version 3.1.5.
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