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 namespace KKeyServer
00025 {
00026 
00027 //---------------------------------------------------------------------
00028 // Data Structures
00029 //---------------------------------------------------------------------
00030 
00031 struct Mod
00032 {
00033     int m_mod;
00034 };
00035 
00036 //---------------------------------------------------------------------
00037 // Array Structures
00038 //---------------------------------------------------------------------
00039 
00040 struct ModInfo
00041 {
00042     KKey::ModFlag mod;
00043     int modQt;
00044     uint modX;
00045     const char* psName;
00046     QString sLabel;
00047 };
00048 
00049 struct SymVariation
00050 {
00051     uint sym, symVariation;
00052     bool bActive;
00053 };
00054 
00055 struct SymName
00056 {
00057     uint sym;
00058     const char* psName;
00059 };
00060 
00061 struct TransKey {
00062     int keySymQt;
00063     uint keySymX;
00064 };
00065 
00066 //---------------------------------------------------------------------
00067 // Arrays
00068 //---------------------------------------------------------------------
00069 
00070 static ModInfo g_rgModInfo[KKey::MOD_FLAG_COUNT] =
00071 {
00072     { KKey::SHIFT, Qt::SHIFT,   ShiftMask,   I18N_NOOP("Shift"), QString() },
00073     { KKey::CTRL,  Qt::CTRL,    ControlMask, I18N_NOOP("Ctrl"), QString() },
00074     { KKey::ALT,   Qt::ALT,     Mod1Mask,    I18N_NOOP("Alt"), QString() },
00075     { KKey::WIN,   KKey::QtWIN, Mod4Mask,    I18N_NOOP("Win"), QString() }
00076 };
00077 
00078 static SymVariation g_rgSymVariation[] =
00079 {
00080     { '/', XK_KP_Divide, false },
00081     { '*', XK_KP_Multiply, false },
00082     { '-', XK_KP_Subtract, false },
00083     { '+', XK_KP_Add, false },
00084     { XK_Return, XK_KP_Enter, false },
00085     { 0, 0, false }
00086 };
00087 
00088 // Special Names List
00089 static const SymName g_rgSymNames[] = {
00090     { XK_ISO_Left_Tab, "Backtab" },
00091     { XK_BackSpace,    I18N_NOOP("Backspace") },
00092     { XK_Sys_Req,      I18N_NOOP("SysReq") },
00093     { XK_Caps_Lock,    I18N_NOOP("CapsLock") },
00094     { XK_Num_Lock,     I18N_NOOP("NumLock") },
00095     { XK_Scroll_Lock,  I18N_NOOP("ScrollLock") },
00096     { XK_Prior,        I18N_NOOP("PageUp") },
00097     { XK_Next,         I18N_NOOP("PageDown") },
00098 #ifdef sun
00099     { XK_F11,          I18N_NOOP("Stop") },
00100     { XK_F12,          I18N_NOOP("Again") },
00101     { XK_F13,          I18N_NOOP("Props") },
00102     { XK_F14,          I18N_NOOP("Undo") },
00103     { XK_F15,          I18N_NOOP("Front") },
00104     { XK_F16,          I18N_NOOP("Copy") },
00105     { XK_F17,          I18N_NOOP("Open") },
00106     { XK_F18,          I18N_NOOP("Paste") },
00107     { XK_F19,          I18N_NOOP("Find") },
00108     { XK_F20,          I18N_NOOP("Cut") },
00109     { XK_F22,          I18N_NOOP("Print") },
00110 #endif
00111     { 0, 0 }
00112 };
00113 
00114 // TODO: Add Mac key names list: Key_Backspace => "Delete", Key_Delete => "Del"
00115 
00116 // These are the X equivalents to the Qt keycodes 0x1000 - 0x1026
00117 static const TransKey g_rgQtToSymX[] =
00118 {
00119     { Qt::Key_Escape,     XK_Escape },
00120     { Qt::Key_Tab,        XK_Tab },
00121     { Qt::Key_Backtab,    XK_ISO_Left_Tab },
00122     { Qt::Key_Backspace,  XK_BackSpace },
00123     { Qt::Key_Return,     XK_Return },
00124     { Qt::Key_Enter,      XK_KP_Enter },
00125     { Qt::Key_Insert,     XK_Insert },
00126     { Qt::Key_Delete,     XK_Delete },
00127     { Qt::Key_Pause,      XK_Pause },
00128 #ifdef sun
00129     { Qt::Key_Print,      XK_F22 },
00130 #else
00131     { Qt::Key_Print,      XK_Print },
00132 #endif
00133     { Qt::Key_SysReq,     XK_Sys_Req },
00134     { Qt::Key_Home,       XK_Home },
00135     { Qt::Key_End,        XK_End },
00136     { Qt::Key_Left,       XK_Left },
00137     { Qt::Key_Up,         XK_Up },
00138     { Qt::Key_Right,      XK_Right },
00139     { Qt::Key_Down,       XK_Down },
00140     { Qt::Key_Prior,      XK_Prior },
00141     { Qt::Key_Next,       XK_Next },
00142     //{ Qt::Key_Shift,      0 },
00143     //{ Qt::Key_Control,    0 },
00144     //{ Qt::Key_Meta,       0 },
00145     //{ Qt::Key_Alt,        0 },
00146     { Qt::Key_CapsLock,   XK_Caps_Lock },
00147     { Qt::Key_NumLock,    XK_Num_Lock },
00148     { Qt::Key_ScrollLock, XK_Scroll_Lock },
00149     { Qt::Key_F1,         XK_F1 },
00150     { Qt::Key_F2,         XK_F2 },
00151     { Qt::Key_F3,         XK_F3 },
00152     { Qt::Key_F4,         XK_F4 },
00153     { Qt::Key_F5,         XK_F5 },
00154     { Qt::Key_F6,         XK_F6 },
00155     { Qt::Key_F7,         XK_F7 },
00156     { Qt::Key_F8,         XK_F8 },
00157     { Qt::Key_F9,         XK_F9 },
00158     { Qt::Key_F10,        XK_F10 },
00159     { Qt::Key_F11,        XK_F11 },
00160     { Qt::Key_F12,        XK_F12 },
00161     { Qt::Key_F13,        XK_F13 },
00162     { Qt::Key_F14,        XK_F14 },
00163     { Qt::Key_F15,        XK_F15 },
00164     { Qt::Key_F16,        XK_F16 },
00165     { Qt::Key_F17,        XK_F17 },
00166     { Qt::Key_F18,        XK_F18 },
00167     { Qt::Key_F19,        XK_F19 },
00168     { Qt::Key_F20,        XK_F20 },
00169     { Qt::Key_F21,        XK_F21 },
00170     { Qt::Key_F22,        XK_F22 },
00171     { Qt::Key_F23,        XK_F23 },
00172     { Qt::Key_F24,        XK_F24 },
00173     { Qt::Key_F25,        XK_F25 },
00174     { Qt::Key_F26,        XK_F26 },
00175     { Qt::Key_F27,        XK_F27 },
00176     { Qt::Key_F28,        XK_F28 },
00177     { Qt::Key_F29,        XK_F29 },
00178     { Qt::Key_F30,        XK_F30 },
00179     { Qt::Key_F31,        XK_F31 },
00180     { Qt::Key_F32,        XK_F32 },
00181     { Qt::Key_F33,        XK_F33 },
00182     { Qt::Key_F34,        XK_F34 },
00183     { Qt::Key_F35,        XK_F35 },
00184     { Qt::Key_Super_L,    XK_Super_L },
00185     { Qt::Key_Super_R,    XK_Super_R },
00186     { Qt::Key_Menu,       XK_Menu },
00187     { Qt::Key_Hyper_L,    XK_Hyper_L },
00188     { Qt::Key_Hyper_R,    XK_Hyper_R },
00189     { Qt::Key_Help,       XK_Help },
00190     //{ Qt::Key_Direction_L, XK_Direction_L }, These keys don't exist in X11
00191     //{ Qt::Key_Direction_R, XK_Direction_R },
00192 
00193     { '/',                XK_KP_Divide },
00194     { '*',                XK_KP_Multiply },
00195     { '-',                XK_KP_Subtract },
00196     { '+',                XK_KP_Add },
00197     { Qt::Key_Return,     XK_KP_Enter }
00198 #if QT_VERSION >= 0x030100
00199 
00200 // the next lines are taken from XFree > 4.0 (X11/XF86keysyms.h), defining some special
00201 // multimedia keys. They are included here as not every system has them.
00202 #define XF86XK_Standby      0x1008FF10
00203 #define XF86XK_AudioLowerVolume 0x1008FF11
00204 #define XF86XK_AudioMute    0x1008FF12
00205 #define XF86XK_AudioRaiseVolume 0x1008FF13
00206 #define XF86XK_AudioPlay    0x1008FF14
00207 #define XF86XK_AudioStop    0x1008FF15
00208 #define XF86XK_AudioPrev    0x1008FF16
00209 #define XF86XK_AudioNext    0x1008FF17
00210 #define XF86XK_HomePage     0x1008FF18
00211 #define XF86XK_Calculator   0x1008FF1D
00212 #define XF86XK_Mail     0x1008FF19
00213 #define XF86XK_Start        0x1008FF1A
00214 #define XF86XK_Search       0x1008FF1B
00215 #define XF86XK_AudioRecord  0x1008FF1C
00216 #define XF86XK_Back     0x1008FF26
00217 #define XF86XK_Forward      0x1008FF27
00218 #define XF86XK_Stop     0x1008FF28
00219 #define XF86XK_Refresh      0x1008FF29
00220 #define XF86XK_Favorites    0x1008FF30
00221 #define XF86XK_AudioPause   0x1008FF31
00222 #define XF86XK_AudioMedia   0x1008FF32
00223 #define XF86XK_MyComputer   0x1008FF33
00224 #define XF86XK_OpenURL      0x1008FF38
00225 #define XF86XK_Launch0      0x1008FF40
00226 #define XF86XK_Launch1      0x1008FF41
00227 #define XF86XK_Launch2      0x1008FF42
00228 #define XF86XK_Launch3      0x1008FF43
00229 #define XF86XK_Launch4      0x1008FF44
00230 #define XF86XK_Launch5      0x1008FF45
00231 #define XF86XK_Launch6      0x1008FF46
00232 #define XF86XK_Launch7      0x1008FF47
00233 #define XF86XK_Launch8      0x1008FF48
00234 #define XF86XK_Launch9      0x1008FF49
00235 #define XF86XK_LaunchA      0x1008FF4A
00236 #define XF86XK_LaunchB      0x1008FF4B
00237 #define XF86XK_LaunchC      0x1008FF4C
00238 #define XF86XK_LaunchD      0x1008FF4D
00239 #define XF86XK_LaunchE      0x1008FF4E
00240 #define XF86XK_LaunchF      0x1008FF4F
00241 // end of XF86keysyms.h
00242         ,
00243     { Qt::Key_Standby,    XF86XK_Standby },
00244     { Qt::Key_VolumeDown, XF86XK_AudioLowerVolume },
00245     { Qt::Key_VolumeMute, XF86XK_AudioMute },
00246     { Qt::Key_VolumeUp,   XF86XK_AudioRaiseVolume },
00247     { Qt::Key_MediaPlay,  XF86XK_AudioPlay },
00248     { Qt::Key_MediaStop,  XF86XK_AudioStop },
00249     { Qt::Key_MediaPrev,  XF86XK_AudioPrev },
00250     { Qt::Key_MediaNext,  XF86XK_AudioNext },
00251     { Qt::Key_HomePage,   XF86XK_HomePage },
00252     { Qt::Key_LaunchMail, XF86XK_Mail },
00253     { Qt::Key_Search,     XF86XK_Search },
00254     { Qt::Key_MediaRecord, XF86XK_AudioRecord },
00255     { Qt::Key_LaunchMedia, XF86XK_AudioMedia },
00256     { Qt::Key_Launch1,    XF86XK_Calculator },
00257     { Qt::Key_Back,       XF86XK_Back },
00258     { Qt::Key_Forward,    XF86XK_Forward },
00259     { Qt::Key_Stop,       XF86XK_Stop },
00260     { Qt::Key_Refresh,    XF86XK_Refresh },
00261     { Qt::Key_Favorites,  XF86XK_Favorites },
00262     { Qt::Key_Launch0,    XF86XK_MyComputer },
00263     { Qt::Key_OpenUrl,    XF86XK_OpenURL },
00264     { Qt::Key_Launch2,    XF86XK_Launch0 },
00265     { Qt::Key_Launch3,    XF86XK_Launch1 },
00266     { Qt::Key_Launch4,    XF86XK_Launch2 },
00267     { Qt::Key_Launch5,    XF86XK_Launch3 },
00268     { Qt::Key_Launch6,    XF86XK_Launch4 },
00269     { Qt::Key_Launch7,    XF86XK_Launch5 },
00270     { Qt::Key_Launch8,    XF86XK_Launch6 },
00271     { Qt::Key_Launch9,    XF86XK_Launch7 },
00272     { Qt::Key_LaunchA,    XF86XK_Launch8 },
00273     { Qt::Key_LaunchB,    XF86XK_Launch9 },
00274     { Qt::Key_LaunchC,    XF86XK_LaunchA },
00275     { Qt::Key_LaunchD,    XF86XK_LaunchB },
00276     { Qt::Key_LaunchE,    XF86XK_LaunchC },
00277     { Qt::Key_LaunchF,    XF86XK_LaunchD },
00278 #endif
00279 };
00280 
00281 //---------------------------------------------------------------------
00282 // Initialization
00283 //---------------------------------------------------------------------
00284 static bool g_bInitializedMods, g_bInitializedVariations, g_bInitializedKKeyLabels;
00285 static bool g_bMacLabels;
00286 static uint g_modXNumLock, g_modXScrollLock;
00287 
00288 bool initializeMods()
00289 {
00290     XModifierKeymap* xmk = XGetModifierMapping( qt_xdisplay() );
00291 
00292     g_rgModInfo[3].modX = g_modXNumLock = g_modXScrollLock = 0;
00293 
00294         int min_keycode, max_keycode;
00295         int keysyms_per_keycode = 0;
00296         XDisplayKeycodes( qt_xdisplay(), &min_keycode, &max_keycode );
00297         XFree( XGetKeyboardMapping( qt_xdisplay(), min_keycode, 1, &keysyms_per_keycode ));
00298     // Qt assumes that Alt is always Mod1Mask, so start at Mod2Mask.
00299     for( int i = Mod2MapIndex; i < 8; i++ ) {
00300         uint mask = (1 << i);
00301         uint keySymX = NoSymbol;
00302                 // This used to be only XKeycodeToKeysym( ... , 0 ), but that fails with XFree4.3.99
00303                 // and X.org R6.7 , where for some reason only ( ... , 1 ) works. I have absolutely no
00304                 // idea what the problem is, but searching all posibilities until something valid is
00305                 // found fixes the problem.
00306                 for( int j = 0; j < xmk->max_keypermod && keySymX == NoSymbol; ++j )
00307                     for( int k = 0; k < keysyms_per_keycode && keySymX == NoSymbol; ++k )
00308                         keySymX = XKeycodeToKeysym( qt_xdisplay(), xmk->modifiermap[xmk->max_keypermod * i + j], k );
00309         switch( keySymX ) {
00310             case XK_Num_Lock:    g_modXNumLock = mask; break;     // Normally Mod2Mask
00311             case XK_Super_L:
00312             case XK_Super_R:     g_rgModInfo[3].modX = mask; break; // Win key, Normally Mod4Mask
00313             case XK_Meta_L:
00314             case XK_Meta_R:      if( !g_rgModInfo[3].modX ) g_rgModInfo[3].modX = mask; break; // Win alternate
00315             case XK_Scroll_Lock: g_modXScrollLock = mask; break;  // Normally Mod5Mask
00316         }
00317     }
00318 
00319     XFreeModifiermap( xmk );
00320 
00321     //KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00322     // read in mod that win should be attached to
00323 
00324     g_bInitializedMods = true;
00325 
00326     kdDebug(125) << "KKeyServer::initializeMods(): Win Mod = 0x" << QString::number(g_rgModInfo[3].modX, 16) << endl;
00327     return true;
00328 }
00329 
00330 static void initializeVariations()
00331 {
00332     for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00333         g_rgSymVariation[i].bActive = (XKeysymToKeycode( qt_xdisplay(), g_rgSymVariation[i].symVariation ) != 0);
00334     g_bInitializedVariations = true;
00335 }
00336 
00337 static void intializeKKeyLabels()
00338 {
00339     KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00340     g_rgModInfo[0].sLabel = KGlobal::config()->readEntry( "Label Shift", i18n(g_rgModInfo[0].psName) );
00341     g_rgModInfo[1].sLabel = KGlobal::config()->readEntry( "Label Ctrl", i18n(g_rgModInfo[1].psName) );
00342     g_rgModInfo[2].sLabel = KGlobal::config()->readEntry( "Label Alt", i18n(g_rgModInfo[2].psName) );
00343     g_rgModInfo[3].sLabel = KGlobal::config()->readEntry( "Label Win", i18n(g_rgModInfo[3].psName) );
00344     g_bMacLabels = (g_rgModInfo[2].sLabel == "Command");
00345     g_bInitializedKKeyLabels = true;
00346 }
00347 
00348 //---------------------------------------------------------------------
00349 // class Mod
00350 //---------------------------------------------------------------------
00351 
00352 /*void Mod::init( const QString& s )
00353 {
00354 
00355 }*/
00356 
00357 //---------------------------------------------------------------------
00358 // class Sym
00359 //---------------------------------------------------------------------
00360 
00361 bool Sym::initQt( int keyQt )
00362 {
00363     int symQt = keyQt & 0xffff;
00364 
00365     if( (keyQt & Qt::UNICODE_ACCEL) || symQt < 0x1000 ) {
00366         m_sym = QChar(symQt).lower().unicode();
00367         return true;
00368     }
00369 
00370     for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ ) {
00371         if( g_rgQtToSymX[i].keySymQt == symQt ) {
00372             m_sym = g_rgQtToSymX[i].keySymX;
00373             return true;
00374         }
00375     }
00376 
00377     m_sym = 0;
00378     if( symQt != Qt::Key_Shift && symQt != Qt::Key_Control && symQt != Qt::Key_Alt &&
00379         symQt != Qt::Key_Meta && symQt != Qt::Key_Direction_L && symQt != Qt::Key_Direction_R )
00380         kdDebug(125) << "Sym::initQt( " << QString::number(keyQt,16) << " ): failed to convert key." << endl;
00381     return false;
00382 }
00383 
00384 bool Sym::init( const QString& s )
00385 {
00386     // If it's a single character, get unicode value.
00387     if( s.length() == 1 ) {
00388         m_sym = s[0].lower().unicode();
00389         return true;
00390     }
00391 
00392     // Look up in special names list
00393     for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00394         if( qstricmp( s.latin1(), g_rgSymNames[i].psName ) == 0 ) {
00395             m_sym = g_rgSymNames[i].sym;
00396             return true;
00397         }
00398     }
00399 
00400     // search X list: 's' as is, all lower, first letter in caps
00401     m_sym = XStringToKeysym( s.latin1() );
00402     if( !m_sym ) {
00403         m_sym = XStringToKeysym( s.lower().latin1() );
00404         if( !m_sym ) {
00405             QString s2 = s;
00406             s2[0] = s2[0].upper();
00407             m_sym = XStringToKeysym( s2.latin1() );
00408         }
00409     }
00410 
00411     return m_sym != 0;
00412 }
00413 
00414 int Sym::qt() const
00415 {
00416     if( m_sym < 0x1000 ) {
00417         if( m_sym >= 'a' && m_sym <= 'z' )
00418             return QChar(m_sym).upper();
00419         return m_sym;
00420     }
00421     if( m_sym < 0x3000 )
00422         return m_sym | Qt::UNICODE_ACCEL;
00423 
00424     for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ )
00425         if( g_rgQtToSymX[i].keySymX == m_sym )
00426             return g_rgQtToSymX[i].keySymQt;
00427     return Qt::Key_unknown;
00428 }
00429 
00430 QString Sym::toString( bool bUserSpace ) const
00431 {
00432     if( m_sym == 0 )
00433         return QString::null;
00434 
00435     // If it's a unicode character,
00436     else if( m_sym < 0x3000 ) {
00437         QChar c = QChar(m_sym).upper();
00438         // Print all non-space characters directly when output is user-visible.
00439         // Otherwise only print alphanumeric latin1 characters directly (A,B,C,1,2,3).
00440         if( (c.latin1() && c.isLetterOrNumber())
00441             || (bUserSpace && !c.isSpace()) )
00442                 return c;
00443     }
00444 
00445     // Look up in special names list
00446     for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00447         if( m_sym == g_rgSymNames[i].sym )
00448             return bUserSpace ? i18n(g_rgSymNames[i].psName) : QString(g_rgSymNames[i].psName);
00449     }
00450 
00451     // Get X-name
00452     QString s = XKeysymToString( m_sym );
00453     capitalizeKeyname( s );
00454     return bUserSpace ? i18n("QAccel", s.latin1()) : s;
00455 }
00456 
00457 QString Sym::toStringInternal() const { return toString( false ); }
00458 QString Sym::toString() const         { return toString( true ); }
00459 
00460 uint Sym::getModsRequired() const
00461 {
00462     uint mod = 0;
00463 
00464     // FIXME: This might not be true on all keyboard layouts!
00465     if( m_sym == XK_Sys_Req ) return KKey::ALT;
00466     if( m_sym == XK_Break ) return KKey::CTRL;
00467 
00468     if( m_sym < 0x3000 ) {
00469         QChar c(m_sym);
00470         if( c.isLetter() && c.lower() != c.upper() && m_sym == c.upper().unicode() )
00471             return KKey::SHIFT;
00472     }
00473 
00474     uchar code = XKeysymToKeycode( qt_xdisplay(), m_sym );
00475     if( code ) {
00476         // need to check index 0 before the others, so that a null-mod
00477         //  can take precedence over the others, in case the modified
00478         //  key produces the same symbol.
00479         if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 0 ) )
00480             ;
00481         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 1 ) )
00482             mod = KKey::SHIFT;
00483         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 2 ) )
00484             mod = KKeyServer::MODE_SWITCH;
00485         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 3 ) )
00486             mod = KKey::SHIFT | KKeyServer::MODE_SWITCH;
00487     }
00488 
00489     return mod;
00490 }
00491 
00492 uint Sym::getSymVariation() const
00493 {
00494     if( !g_bInitializedVariations )
00495         initializeVariations();
00496 
00497     for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00498         if( g_rgSymVariation[i].sym == m_sym && g_rgSymVariation[i].bActive )
00499             return g_rgSymVariation[i].symVariation;
00500     return 0;
00501 }
00502 
00503 void Sym::capitalizeKeyname( QString& s )
00504 {
00505     s[0] = s[0].upper();
00506     int len = s.length();
00507     if( s.endsWith( "left" ) )       s[len-4] = 'L';
00508     else if( s.endsWith( "right" ) ) s[len-5] = 'R';
00509     else if( s == "Sysreq" )         s[len-3] = 'R';
00510 }
00511 
00512 //---------------------------------------------------------------------
00513 // Public functions
00514 //---------------------------------------------------------------------
00515 
00516 uint modX( KKey::ModFlag mod )
00517 {
00518     if( mod == KKey::WIN && !g_bInitializedMods )
00519         initializeMods();
00520 
00521     for( uint i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00522         if( g_rgModInfo[i].mod == mod )
00523             return g_rgModInfo[i].modX;
00524     }
00525     return 0;
00526 }
00527 
00528 bool keyboardHasWinKey() { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX != 0; }
00529 uint modXShift()      { return ShiftMask; }
00530 uint modXLock()       { return LockMask; }
00531 uint modXCtrl()       { return ControlMask; }
00532 uint modXAlt()        { return Mod1Mask; }
00533 uint modXNumLock()    { if( !g_bInitializedMods ) { initializeMods(); } return g_modXNumLock; }
00534 uint modXWin()        { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX; }
00535 uint modXScrollLock() { if( !g_bInitializedMods ) { initializeMods(); } return g_modXScrollLock; }
00536 
00537 uint accelModMaskX()
00538 {
00539     if( !g_bInitializedMods )
00540         initializeMods();
00541     return ShiftMask | ControlMask | Mod1Mask | g_rgModInfo[3].modX;
00542 }
00543 
00544 bool keyQtToSym( int keyQt, uint& keySym )
00545 {
00546     Sym sym;
00547     if( sym.initQt( keyQt ) ) {
00548         keySym = sym.m_sym;
00549         return true;
00550     } else
00551         return false;
00552 }
00553 
00554 bool keyQtToMod( int keyQt, uint& mod )
00555 {
00556     mod = 0;
00557 
00558     if( keyQt & Qt::SHIFT )    mod |= KKey::SHIFT;
00559     if( keyQt & Qt::CTRL )     mod |= KKey::CTRL;
00560     if( keyQt & Qt::ALT )      mod |= KKey::ALT;
00561     if( keyQt & Qt::META ) mod |= KKey::WIN;
00562 
00563     return true;
00564 }
00565 
00566 bool symToKeyQt( uint keySym, int& keyQt )
00567 {
00568     Sym sym( keySym );
00569     keyQt = sym.qt();
00570     return (keyQt != Qt::Key_unknown);
00571 }
00572 
00573 bool modToModQt( uint mod, int& modQt )
00574 {
00575     modQt = 0;
00576     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00577         if( mod & g_rgModInfo[i].mod ) {
00578             if( !g_rgModInfo[i].modQt ) {
00579                 modQt = 0;
00580                 return false;
00581             }
00582             modQt |= g_rgModInfo[i].modQt;
00583         }
00584     }
00585     return true;
00586 }
00587 
00588 bool modToModX( uint mod, uint& modX )
00589 {
00590     if( !g_bInitializedMods )
00591         initializeMods();
00592 
00593     modX = 0;
00594     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00595         if( mod & g_rgModInfo[i].mod ) {
00596             if( !g_rgModInfo[i].modX ) {
00597                 kdDebug(125) << "Invalid modifier flag." << endl;
00598                 modX = 0;
00599                 return false;
00600             }
00601             modX |= g_rgModInfo[i].modX;
00602         }
00603     }
00604     // TODO: document 0x2000 flag
00605     if( mod & 0x2000 )
00606       modX |= 0x2000;
00607     return true;
00608 }
00609 
00610 bool modXToModQt( uint modX, int& modQt )
00611 {
00612     if( !g_bInitializedMods )
00613         initializeMods();
00614     
00615     modQt = 0;
00616     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00617         if( modX & g_rgModInfo[i].modX ) {
00618             if( !g_rgModInfo[i].modQt ) {
00619                 modQt = 0;
00620                 return false;
00621             }
00622             modQt |= g_rgModInfo[i].modQt;
00623         }
00624     }
00625     return true;
00626 }
00627 
00628 bool modXToMod( uint modX, uint& mod )
00629 {
00630     if( !g_bInitializedMods )
00631         initializeMods();
00632     
00633     mod = 0;
00634     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00635         if( modX & g_rgModInfo[i].modX )
00636             mod |= g_rgModInfo[i].mod;
00637     }
00638     return true;
00639 }
00640 
00641 bool codeXToSym( uchar codeX, uint modX, uint& sym )
00642 {
00643     XKeyPressedEvent event;
00644 
00645     event.type = KeyPress;
00646     event.display = qt_xdisplay();
00647     event.state = modX;
00648     event.keycode = codeX;
00649 
00650     XLookupString( &event, 0, 0, (KeySym*) &sym, 0 );
00651     return true;
00652 }
00653 
00654 static QString modToString( uint mod, bool bUserSpace )
00655 {
00656     if( bUserSpace && !g_bInitializedKKeyLabels )
00657         intializeKKeyLabels();
00658 
00659     QString s;
00660     for( int i = KKey::MOD_FLAG_COUNT-1; i >= 0; i-- ) {
00661         if( mod & g_rgModInfo[i].mod ) {
00662             if( !s.isEmpty() )
00663                 s += '+';
00664             s += (bUserSpace)
00665                       ? g_rgModInfo[i].sLabel
00666                   : QString(g_rgModInfo[i].psName);
00667         }
00668     }
00669     return s;
00670 }
00671 
00672 QString modToStringInternal( uint mod ) { return modToString( mod, false ); }
00673 QString modToStringUser( uint mod )     { return modToString( mod, true ); }
00674 
00675 /*void keySymModToKeyX( uint sym, uint mod, unsigned char *pKeyCodeX, uint *pKeySymX, uint *pKeyModX )
00676 {
00677 ...
00678     uint    keySymQt;
00679     uint    keySymX = 0;
00680     unsigned char   keyCodeX = 0;
00681     uint    keyModX = 0;
00682 
00683     const char *psKeySym = 0;
00684 
00685     if( !g_bInitialized )
00686         Initialize();
00687 
00688     // Get code of just the primary key
00689     keySymQt = keyCombQt & 0xffff;
00690 
00691     // If unicode value beneath 0x1000 (special Qt codes begin thereafter),
00692     if( keySymQt < 0x1000 ) {
00693         // For reasons unbeknownst to me, Qt converts 'a-z' to 'A-Z'.
00694         // So convert it back to lowercase if SHIFT isn't held down.
00695         if( keySymQt >= Qt::Key_A && keySymQt <= Qt::Key_Z && !(keyCombQt & Qt::SHIFT) )
00696             keySymQt = tolower( keySymQt );
00697         keySymX = keySymQt;
00698     }
00699     // Else, special key (e.g. Delete, F1, etc.)
00700     else {
00701         for( int i = 0; i < NB_KEYS; i++ ) {
00702             if( keySymQt == (uint) KKEYS[i].code ) {
00703                 psKeySym = KKEYS[i].name;
00704                 //kdDebug(125) << " symbol found: \"" << psKeySym << "\"" << endl;
00705                 break;
00706             }
00707         }
00708 
00709         // Get X key symbol.  Only works if Qt name is same as X name.
00710         if( psKeySym ) {
00711             QString sKeySym = psKeySym;
00712 
00713             // Check for lower-case equalent first because most
00714             //  X11 names are all lower-case.
00715             keySymX = XStringToKeysym( sKeySym.lower().ascii() );
00716             if( keySymX == 0 )
00717                 keySymX = XStringToKeysym( psKeySym );
00718         }
00719 
00720         if( keySymX == 0 )
00721             keySymX = getSymXEquiv( keySymQt );
00722     }
00723 
00724     if( keySymX != 0 ) {
00725         // Get X keyboard code
00726         keyCodeX = XKeysymToKeycode( qt_xdisplay(), keySymX );
00727         // Add ModeSwitch modifier bit, if necessary
00728         keySymXMods( keySymX, 0, &keyModX );
00729 
00730         // Get X modifier flags
00731         for( int i = 0; i < MOD_KEYS; i++ ) {
00732             if( keyCombQt & g_aModKeys[i].keyModMaskQt ) {
00733                 if( g_aModKeys[i].keyModMaskX )
00734                     keyModX |= g_aModKeys[i].keyModMaskX;
00735                 // Qt key calls for a modifier which the current
00736                 //  X modifier map doesn't support.
00737                 else {
00738                     keySymX = 0;
00739                     keyCodeX = 0;
00740                     keyModX = 0;
00741                     break;
00742                 }
00743             }
00744         }
00745     }
00746 
00747     // Take care of complications:
00748     //  The following keys will not have been correctly interpreted,
00749     //   because their shifted values are not activated with the
00750     //   Shift key, but rather something else.  They are also
00751     //   defined twice under different keycodes.
00752     //  keycode 111 & 92:  Print Sys_Req -> Sys_Req = Alt+Print
00753     //  keycode 110 & 114: Pause Break   -> Break = Ctrl+Pause
00754     if( (keyCodeX == 92 || keyCodeX == 111) &&
00755         XKeycodeToKeysym( qt_xdisplay(), 92, 0 ) == XK_Print &&
00756         XKeycodeToKeysym( qt_xdisplay(), 111, 0 ) == XK_Print )
00757     {
00758         // If Alt is pressed, then we need keycode 92, keysym XK_Sys_Req
00759         if( keyModX & keyModXAlt() ) {
00760             keyCodeX = 92;
00761             keySymX = XK_Sys_Req;
00762         }
00763         // Otherwise, keycode 111, keysym XK_Print
00764         else {
00765             keyCodeX = 111;
00766             keySymX = XK_Print;
00767         }
00768     }
00769     else if( (keyCodeX == 110 || keyCodeX == 114) &&
00770         XKeycodeToKeysym( qt_xdisplay(), 110, 0 ) == XK_Pause &&
00771         XKeycodeToKeysym( qt_xdisplay(), 114, 0 ) == XK_Pause )
00772     {
00773         if( keyModX & keyModXCtrl() ) {
00774             keyCodeX = 114;
00775             keySymX = XK_Break;
00776         } else {
00777             keyCodeX = 110;
00778             keySymX = XK_Pause;
00779         }
00780     }
00781 
00782     if( pKeySymX )  *pKeySymX = keySymX;
00783     if( pKeyCodeX ) *pKeyCodeX = keyCodeX;
00784     if( pKeyModX )  *pKeyModX = keyModX;
00785 }*/
00786 
00787 //---------------------------------------------------------------------
00788 // Key
00789 //---------------------------------------------------------------------
00790 
00791 bool Key::init( const KKey& key, bool bQt )
00792 {
00793     if( bQt ) {
00794         m_code = CODE_FOR_QT;
00795         m_sym = key.keyCodeQt();
00796     } else {
00797         KKeyNative keyNative( key );
00798         *this = keyNative;
00799     }
00800     return true;
00801 }
00802 
00803 KKey Key::key() const
00804 {
00805     if( m_code == CODE_FOR_QT )
00806         return KKey( keyCodeQt() );
00807     else {
00808         uint mod;
00809         modXToMod( m_mod, mod );
00810         return KKey( m_sym, mod );
00811     }
00812 }
00813 
00814 Key& Key::operator =( const KKeyNative& key )
00815 {
00816     m_code = key.code(); m_mod = key.mod(); m_sym = key.sym();
00817     return *this;
00818 }
00819 
00820 int Key::compare( const Key& b ) const
00821 {
00822     if( m_code == CODE_FOR_QT )
00823         return m_sym - b.m_sym;
00824     if( m_sym != b.m_sym )  return m_sym - b.m_sym;
00825     if( m_mod != b.m_mod )  return m_mod - b.m_mod;
00826     return m_code - b.m_code;
00827 }
00828 
00829 //---------------------------------------------------------------------
00830 // Variations
00831 //---------------------------------------------------------------------
00832 
00833 // TODO: allow for sym to have variations, such as Plus => { Plus, KP_Add }
00834 void Variations::init( const KKey& key, bool bQt )
00835 {
00836     if( key.isNull() ) {
00837         m_nVariations = 0;
00838         return;
00839     }
00840 
00841     m_nVariations = 1;
00842     m_rgkey[0] = KKeyNative(key);
00843     uint symVar = Sym(key.sym()).getSymVariation();
00844     if( symVar ) {
00845         uint modReq = Sym(m_rgkey[0].sym()).getModsRequired();
00846         uint modReqVar = Sym(symVar).getModsRequired();
00847         // If 'key' doesn't require any mods that are inherent in
00848         //  the primary key but not required for the alternate,
00849         if( (key.modFlags() & modReq) == (key.modFlags() & modReqVar) ) {
00850             m_rgkey[1] = KKeyNative(KKey(symVar, key.modFlags()));
00851             m_nVariations = 2;
00852         }
00853     }
00854 
00855     if( bQt ) {
00856         uint nVariations = 0;
00857         for( uint i = 0; i < m_nVariations; i++ ) {
00858             int keyQt = KKeyNative( m_rgkey[i].code(), m_rgkey[i].mod(), m_rgkey[i].sym() ).keyCodeQt();
00859             if( keyQt )
00860                 m_rgkey[nVariations++].setKeycodeQt( keyQt );
00861         }
00862         m_nVariations = nVariations;
00863 
00864         // Two different native codes may produce a single
00865         //  Qt code.  Search for duplicates.
00866         for( uint i = 1; i < m_nVariations; i++ ) {
00867             for( uint j = 0; j < i; j++ ) {
00868                 // If key is already present in list, then remove it.
00869                 if( m_rgkey[i].keyCodeQt() == m_rgkey[j].keyCodeQt() ) {
00870                     for( uint k = i; k < m_nVariations - 1; k++ )
00871                         m_rgkey[k].setKeycodeQt( m_rgkey[k+1].keyCodeQt() );
00872                     m_nVariations--;
00873                     i--;
00874                     break;
00875                 }
00876             }
00877         }
00878     }
00879 }
00880 
00881 } // end of namespace KKeyServer block
00882 
00883 // FIXME: This needs to be moved to kshortcut.cpp, and create a 
00884 //  KKeyServer::method which it will call.
00885 // Alt+SysReq => Alt+Print
00886 // Ctrl+Shift+Plus => Ctrl+Plus (en)
00887 // Ctrl+Shift+Equal => Ctrl+Plus
00888 // Ctrl+Pause => Ctrl+Break
00889 void KKey::simplify()
00890 {
00891     if( m_sym == XK_Sys_Req ) {
00892         m_sym = XK_Print;
00893         m_mod |= ALT;
00894     } else if( m_sym == XK_ISO_Left_Tab ) {
00895         m_sym = XK_Tab;
00896         m_mod |= SHIFT;
00897     } else {
00898         // Shift+Equal => Shift+Plus (en)
00899         m_sym = KKeyNative(*this).sym();
00900     }
00901 
00902     // If this is a letter, don't remove any modifiers.
00903     if( m_sym < 0x3000 && QChar(m_sym).isLetter() )
00904         m_sym = QChar(m_sym).lower().unicode();
00905 
00906     // Remove modifers from modifier list which are implicit in the symbol.
00907     // Ex. Shift+Plus => Plus (en)
00908     m_mod &= ~KKeyServer::Sym(m_sym).getModsRequired();
00909 }
00910 
00911 #endif // Q_WS_X11
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