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     // Qt assumes that Alt is always Mod1Mask, so start at Mod2Mask.
00295     for( int i = Mod2MapIndex; i < 8; i++ ) {
00296         uint mask = (1 << i);
00297         uint keySymX = XKeycodeToKeysym( qt_xdisplay(), xmk->modifiermap[xmk->max_keypermod * i], 0 );
00298         switch( keySymX ) {
00299             case XK_Num_Lock:    g_modXNumLock = mask; break;     // Normally Mod2Mask
00300             case XK_Super_L:
00301             case XK_Super_R:     g_rgModInfo[3].modX = mask; break; // Win key, Normally Mod4Mask
00302             case XK_Meta_L:
00303             case XK_Meta_R:      if( !g_rgModInfo[3].modX ) g_rgModInfo[3].modX = mask; break; // Win alternate
00304             case XK_Scroll_Lock: g_modXScrollLock = mask; break;  // Normally Mod5Mask
00305         }
00306     }
00307 
00308     XFreeModifiermap( xmk );
00309 
00310     //KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00311     // read in mod that win should be attached to
00312 
00313     g_bInitializedMods = true;
00314 
00315     kdDebug(125) << "KKeyServer::initializeMods(): Win Mod = 0x" << QString::number(g_rgModInfo[3].modX, 16) << endl;
00316     return true;
00317 }
00318 
00319 static void initializeVariations()
00320 {
00321     for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00322         g_rgSymVariation[i].bActive = (XKeysymToKeycode( qt_xdisplay(), g_rgSymVariation[i].symVariation ) != 0);
00323     g_bInitializedVariations = true;
00324 }
00325 
00326 static void intializeKKeyLabels()
00327 {
00328     KConfigGroupSaver cgs( KGlobal::config(), "Keyboard" );
00329     g_rgModInfo[0].sLabel = KGlobal::config()->readEntry( "Label Shift", i18n(g_rgModInfo[0].psName) );
00330     g_rgModInfo[1].sLabel = KGlobal::config()->readEntry( "Label Ctrl", i18n(g_rgModInfo[1].psName) );
00331     g_rgModInfo[2].sLabel = KGlobal::config()->readEntry( "Label Alt", i18n(g_rgModInfo[2].psName) );
00332     g_rgModInfo[3].sLabel = KGlobal::config()->readEntry( "Label Win", i18n(g_rgModInfo[3].psName) );
00333     g_bMacLabels = (g_rgModInfo[2].sLabel == "Command");
00334     g_bInitializedKKeyLabels = true;
00335 }
00336 
00337 //---------------------------------------------------------------------
00338 // class Mod
00339 //---------------------------------------------------------------------
00340 
00341 /*void Mod::init( const QString& s )
00342 {
00343 
00344 }*/
00345 
00346 //---------------------------------------------------------------------
00347 // class Sym
00348 //---------------------------------------------------------------------
00349 
00350 bool Sym::initQt( int keyQt )
00351 {
00352     int symQt = keyQt & 0xffff;
00353 
00354     if( (keyQt & Qt::UNICODE_ACCEL) || symQt < 0x1000 ) {
00355         m_sym = QChar(symQt).lower().unicode();
00356         return true;
00357     }
00358 
00359     for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ ) {
00360         if( g_rgQtToSymX[i].keySymQt == symQt ) {
00361             m_sym = g_rgQtToSymX[i].keySymX;
00362             return true;
00363         }
00364     }
00365 
00366     m_sym = 0;
00367     if( symQt != Qt::Key_Shift && symQt != Qt::Key_Control && symQt != Qt::Key_Alt &&
00368         symQt != Qt::Key_Meta && symQt != Qt::Key_Direction_L && symQt != Qt::Key_Direction_R )
00369         kdDebug(125) << "Sym::initQt( " << QString::number(keyQt,16) << " ): failed to convert key." << endl;
00370     return false;
00371 }
00372 
00373 bool Sym::init( const QString& s )
00374 {
00375     // If it's a single character, get unicode value.
00376     if( s.length() == 1 ) {
00377         m_sym = s[0].lower().unicode();
00378         return true;
00379     }
00380 
00381     // Look up in special names list
00382     for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00383         if( qstricmp( s.latin1(), g_rgSymNames[i].psName ) == 0 ) {
00384             m_sym = g_rgSymNames[i].sym;
00385             return true;
00386         }
00387     }
00388 
00389     // search X list: 's' as is, all lower, first letter in caps
00390     m_sym = XStringToKeysym( s.latin1() );
00391     if( !m_sym ) {
00392         m_sym = XStringToKeysym( s.lower().latin1() );
00393         if( !m_sym ) {
00394             QString s2 = s;
00395             s2[0] = s2[0].upper();
00396             m_sym = XStringToKeysym( s2.latin1() );
00397         }
00398     }
00399 
00400     return m_sym != 0;
00401 }
00402 
00403 int Sym::qt() const
00404 {
00405     if( m_sym < 0x1000 ) {
00406         if( m_sym >= 'a' && m_sym <= 'z' )
00407             return QChar(m_sym).upper();
00408         return m_sym;
00409     }
00410     if( m_sym < 0x3000 )
00411         return m_sym | Qt::UNICODE_ACCEL;
00412 
00413     for( uint i = 0; i < sizeof(g_rgQtToSymX)/sizeof(TransKey); i++ )
00414         if( g_rgQtToSymX[i].keySymX == m_sym )
00415             return g_rgQtToSymX[i].keySymQt;
00416     return Qt::Key_unknown;
00417 }
00418 
00419 QString Sym::toString( bool bUserSpace ) const
00420 {
00421     if( m_sym == 0 )
00422         return QString::null;
00423 
00424     // If it's a unicode character,
00425     else if( m_sym < 0x3000 ) {
00426         QChar c = QChar(m_sym).upper();
00427         // Print all non-space characters directly when output is user-visible.
00428         // Otherwise only print alphanumeric latin1 characters directly (A,B,C,1,2,3).
00429         if( (c.latin1() && c.isLetterOrNumber())
00430             || (bUserSpace && !c.isSpace()) )
00431                 return c;
00432     }
00433 
00434     // Look up in special names list
00435     for( int i = 0; g_rgSymNames[i].sym != 0; i++ ) {
00436         if( m_sym == g_rgSymNames[i].sym )
00437             return bUserSpace ? i18n(g_rgSymNames[i].psName) : QString(g_rgSymNames[i].psName);
00438     }
00439 
00440     // Get X-name
00441     QString s = XKeysymToString( m_sym );
00442     capitalizeKeyname( s );
00443     return bUserSpace ? i18n("QAccel", s.latin1()) : s;
00444 }
00445 
00446 QString Sym::toStringInternal() const { return toString( false ); }
00447 QString Sym::toString() const         { return toString( true ); }
00448 
00449 uint Sym::getModsRequired() const
00450 {
00451     uint mod = 0;
00452 
00453     // FIXME: This might not be true on all keyboard layouts!
00454     if( m_sym == XK_Sys_Req ) return KKey::ALT;
00455     if( m_sym == XK_Break ) return KKey::CTRL;
00456 
00457     if( m_sym < 0x3000 ) {
00458         QChar c(m_sym);
00459         if( c.isLetter() && c.lower() != c.upper() && m_sym == c.upper().unicode() )
00460             return KKey::SHIFT;
00461     }
00462 
00463     uchar code = XKeysymToKeycode( qt_xdisplay(), m_sym );
00464     if( code ) {
00465         // need to check index 0 before the others, so that a null-mod
00466         //  can take precedence over the others, in case the modified
00467         //  key produces the same symbol.
00468         if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 0 ) )
00469             ;
00470         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 1 ) )
00471             mod = KKey::SHIFT;
00472         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 2 ) )
00473             mod = KKeyServer::MODE_SWITCH;
00474         else if( m_sym == XKeycodeToKeysym( qt_xdisplay(), code, 3 ) )
00475             mod = KKey::SHIFT | KKeyServer::MODE_SWITCH;
00476     }
00477 
00478     return mod;
00479 }
00480 
00481 uint Sym::getSymVariation() const
00482 {
00483     if( !g_bInitializedVariations )
00484         initializeVariations();
00485 
00486     for( int i = 0; g_rgSymVariation[i].sym != 0; i++ )
00487         if( g_rgSymVariation[i].sym == m_sym && g_rgSymVariation[i].bActive )
00488             return g_rgSymVariation[i].symVariation;
00489     return 0;
00490 }
00491 
00492 void Sym::capitalizeKeyname( QString& s )
00493 {
00494     s[0] = s[0].upper();
00495     int len = s.length();
00496     if( s.endsWith( "left" ) )       s[len-4] = 'L';
00497     else if( s.endsWith( "right" ) ) s[len-5] = 'R';
00498     else if( s == "Sysreq" )         s[len-3] = 'R';
00499 }
00500 
00501 //---------------------------------------------------------------------
00502 // Public functions
00503 //---------------------------------------------------------------------
00504 
00505 uint modX( KKey::ModFlag mod )
00506 {
00507     if( mod == KKey::WIN && !g_bInitializedMods )
00508         initializeMods();
00509 
00510     for( uint i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00511         if( g_rgModInfo[i].mod == mod )
00512             return g_rgModInfo[i].modX;
00513     }
00514     return 0;
00515 }
00516 
00517 bool keyboardHasWinKey() { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX != 0; }
00518 uint modXShift()      { return ShiftMask; }
00519 uint modXLock()       { return LockMask; }
00520 uint modXCtrl()       { return ControlMask; }
00521 uint modXAlt()        { return Mod1Mask; }
00522 uint modXNumLock()    { if( !g_bInitializedMods ) { initializeMods(); } return g_modXNumLock; }
00523 uint modXWin()        { if( !g_bInitializedMods ) { initializeMods(); } return g_rgModInfo[3].modX; }
00524 uint modXScrollLock() { if( !g_bInitializedMods ) { initializeMods(); } return g_modXScrollLock; }
00525 
00526 uint accelModMaskX()
00527 {
00528     if( !g_bInitializedMods )
00529         initializeMods();
00530     return ShiftMask | ControlMask | Mod1Mask | g_rgModInfo[3].modX;
00531 }
00532 
00533 bool keyQtToSym( int keyQt, uint& keySym )
00534 {
00535     Sym sym;
00536     if( sym.initQt( keyQt ) ) {
00537         keySym = sym.m_sym;
00538         return true;
00539     } else
00540         return false;
00541 }
00542 
00543 bool keyQtToMod( int keyQt, uint& mod )
00544 {
00545     mod = 0;
00546 
00547     if( keyQt & Qt::SHIFT )    mod |= KKey::SHIFT;
00548     if( keyQt & Qt::CTRL )     mod |= KKey::CTRL;
00549     if( keyQt & Qt::ALT )      mod |= KKey::ALT;
00550     if( keyQt & Qt::META ) mod |= KKey::WIN;
00551 
00552     return true;
00553 }
00554 
00555 bool symToKeyQt( uint keySym, int& keyQt )
00556 {
00557     Sym sym( keySym );
00558     keyQt = sym.qt();
00559     return (keyQt != Qt::Key_unknown);
00560 }
00561 
00562 bool modToModQt( uint mod, int& modQt )
00563 {
00564     modQt = 0;
00565     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00566         if( mod & g_rgModInfo[i].mod ) {
00567             if( !g_rgModInfo[i].modQt ) {
00568                 modQt = 0;
00569                 return false;
00570             }
00571             modQt |= g_rgModInfo[i].modQt;
00572         }
00573     }
00574     return true;
00575 }
00576 
00577 bool modToModX( uint mod, uint& modX )
00578 {
00579     if( !g_bInitializedMods )
00580         initializeMods();
00581 
00582     modX = 0;
00583     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00584         if( mod & g_rgModInfo[i].mod ) {
00585             if( !g_rgModInfo[i].modX ) {
00586                 kdDebug(125) << "Invalid modifier flag." << endl;
00587                 modX = 0;
00588                 return false;
00589             }
00590             modX |= g_rgModInfo[i].modX;
00591         }
00592     }
00593     // TODO: document 0x2000 flag
00594     if( mod & 0x2000 )
00595       modX |= 0x2000;
00596     return true;
00597 }
00598 
00599 bool modXToModQt( uint modX, int& modQt )
00600 {
00601     if( !g_bInitializedMods )
00602         initializeMods();
00603     
00604     modQt = 0;
00605     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00606         if( modX & g_rgModInfo[i].modX ) {
00607             if( !g_rgModInfo[i].modQt ) {
00608                 modQt = 0;
00609                 return false;
00610             }
00611             modQt |= g_rgModInfo[i].modQt;
00612         }
00613     }
00614     return true;
00615 }
00616 
00617 bool modXToMod( uint modX, uint& mod )
00618 {
00619     if( !g_bInitializedMods )
00620         initializeMods();
00621     
00622     mod = 0;
00623     for( int i = 0; i < KKey::MOD_FLAG_COUNT; i++ ) {
00624         if( modX & g_rgModInfo[i].modX )
00625             mod |= g_rgModInfo[i].mod;
00626     }
00627     return true;
00628 }
00629 
00630 bool codeXToSym( uchar codeX, uint modX, uint& sym )
00631 {
00632     XKeyPressedEvent event;
00633 
00634     event.type = KeyPress;
00635     event.display = qt_xdisplay();
00636     event.state = modX;
00637     event.keycode = codeX;
00638 
00639     XLookupString( &event, 0, 0, (KeySym*) &sym, 0 );
00640     return true;
00641 }
00642 
00643 static QString modToString( uint mod, bool bUserSpace )
00644 {
00645     if( bUserSpace && !g_bInitializedKKeyLabels )
00646         intializeKKeyLabels();
00647 
00648     QString s;
00649     for( int i = KKey::MOD_FLAG_COUNT-1; i >= 0; i-- ) {
00650         if( mod & g_rgModInfo[i].mod ) {
00651             if( !s.isEmpty() )
00652                 s += '+';
00653             s += (bUserSpace)
00654                       ? g_rgModInfo[i].sLabel
00655                   : QString(g_rgModInfo[i].psName);
00656         }
00657     }
00658     return s;
00659 }
00660 
00661 QString modToStringInternal( uint mod ) { return modToString( mod, false ); }
00662 QString modToStringUser( uint mod )     { return modToString( mod, true ); }
00663 
00664 /*void keySymModToKeyX( uint sym, uint mod, unsigned char *pKeyCodeX, uint *pKeySymX, uint *pKeyModX )
00665 {
00666 ...
00667     uint    keySymQt;
00668     uint    keySymX = 0;
00669     unsigned char   keyCodeX = 0;
00670     uint    keyModX = 0;
00671 
00672     const char *psKeySym = 0;
00673 
00674     if( !g_bInitialized )
00675         Initialize();
00676 
00677     // Get code of just the primary key
00678     keySymQt = keyCombQt & 0xffff;
00679 
00680     // If unicode value beneath 0x1000 (special Qt codes begin thereafter),
00681     if( keySymQt < 0x1000 ) {
00682         // For reasons unbeknownst to me, Qt converts 'a-z' to 'A-Z'.
00683         // So convert it back to lowercase if SHIFT isn't held down.
00684         if( keySymQt >= Qt::Key_A && keySymQt <= Qt::Key_Z && !(keyCombQt & Qt::SHIFT) )
00685             keySymQt = tolower( keySymQt );
00686         keySymX = keySymQt;
00687     }
00688     // Else, special key (e.g. Delete, F1, etc.)
00689     else {
00690         for( int i = 0; i < NB_KEYS; i++ ) {
00691             if( keySymQt == (uint) KKEYS[i].code ) {
00692                 psKeySym = KKEYS[i].name;
00693                 //kdDebug(125) << " symbol found: \"" << psKeySym << "\"" << endl;
00694                 break;
00695             }
00696         }
00697 
00698         // Get X key symbol.  Only works if Qt name is same as X name.
00699         if( psKeySym ) {
00700             QString sKeySym = psKeySym;
00701 
00702             // Check for lower-case equalent first because most
00703             //  X11 names are all lower-case.
00704             keySymX = XStringToKeysym( sKeySym.lower().ascii() );
00705             if( keySymX == 0 )
00706                 keySymX = XStringToKeysym( psKeySym );
00707         }
00708 
00709         if( keySymX == 0 )
00710             keySymX = getSymXEquiv( keySymQt );
00711     }
00712 
00713     if( keySymX != 0 ) {
00714         // Get X keyboard code
00715         keyCodeX = XKeysymToKeycode( qt_xdisplay(), keySymX );
00716         // Add ModeSwitch modifier bit, if necessary
00717         keySymXMods( keySymX, 0, &keyModX );
00718 
00719         // Get X modifier flags
00720         for( int i = 0; i < MOD_KEYS; i++ ) {
00721             if( keyCombQt & g_aModKeys[i].keyModMaskQt ) {
00722                 if( g_aModKeys[i].keyModMaskX )
00723                     keyModX |= g_aModKeys[i].keyModMaskX;
00724                 // Qt key calls for a modifier which the current
00725                 //  X modifier map doesn't support.
00726                 else {
00727                     keySymX = 0;
00728                     keyCodeX = 0;
00729                     keyModX = 0;
00730                     break;
00731                 }
00732             }
00733         }
00734     }
00735 
00736     // Take care of complications:
00737     //  The following keys will not have been correctly interpreted,
00738     //   because their shifted values are not activated with the
00739     //   Shift key, but rather something else.  They are also
00740     //   defined twice under different keycodes.
00741     //  keycode 111 & 92:  Print Sys_Req -> Sys_Req = Alt+Print
00742     //  keycode 110 & 114: Pause Break   -> Break = Ctrl+Pause
00743     if( (keyCodeX == 92 || keyCodeX == 111) &&
00744         XKeycodeToKeysym( qt_xdisplay(), 92, 0 ) == XK_Print &&
00745         XKeycodeToKeysym( qt_xdisplay(), 111, 0 ) == XK_Print )
00746     {
00747         // If Alt is pressed, then we need keycode 92, keysym XK_Sys_Req
00748         if( keyModX & keyModXAlt() ) {
00749             keyCodeX = 92;
00750             keySymX = XK_Sys_Req;
00751         }
00752         // Otherwise, keycode 111, keysym XK_Print
00753         else {
00754             keyCodeX = 111;
00755             keySymX = XK_Print;
00756         }
00757     }
00758     else if( (keyCodeX == 110 || keyCodeX == 114) &&
00759         XKeycodeToKeysym( qt_xdisplay(), 110, 0 ) == XK_Pause &&
00760         XKeycodeToKeysym( qt_xdisplay(), 114, 0 ) == XK_Pause )
00761     {
00762         if( keyModX & keyModXCtrl() ) {
00763             keyCodeX = 114;
00764             keySymX = XK_Break;
00765         } else {
00766             keyCodeX = 110;
00767             keySymX = XK_Pause;
00768         }
00769     }
00770 
00771     if( pKeySymX )  *pKeySymX = keySymX;
00772     if( pKeyCodeX ) *pKeyCodeX = keyCodeX;
00773     if( pKeyModX )  *pKeyModX = keyModX;
00774 }*/
00775 
00776 //---------------------------------------------------------------------
00777 // Key
00778 //---------------------------------------------------------------------
00779 
00780 bool Key::init( const KKey& key, bool bQt )
00781 {
00782     if( bQt ) {
00783         m_code = CODE_FOR_QT;
00784         m_sym = key.keyCodeQt();
00785     } else {
00786         KKeyNative keyNative( key );
00787         *this = keyNative;
00788     }
00789     return true;
00790 }
00791 
00792 KKey Key::key() const
00793 {
00794     if( m_code == CODE_FOR_QT )
00795         return KKey( keyCodeQt() );
00796     else {
00797         uint mod;
00798         modXToMod( m_mod, mod );
00799         return KKey( m_sym, mod );
00800     }
00801 }
00802 
00803 Key& Key::operator =( const KKeyNative& key )
00804 {
00805     m_code = key.code(); m_mod = key.mod(); m_sym = key.sym();
00806     return *this;
00807 }
00808 
00809 int Key::compare( const Key& b ) const
00810 {
00811     if( m_code == CODE_FOR_QT )
00812         return m_sym - b.m_sym;
00813     if( m_sym != b.m_sym )  return m_sym - b.m_sym;
00814     if( m_mod != b.m_mod )  return m_mod - b.m_mod;
00815     return m_code - b.m_code;
00816 }
00817 
00818 //---------------------------------------------------------------------
00819 // Variations
00820 //---------------------------------------------------------------------
00821 
00822 // TODO: allow for sym to have variations, such as Plus => { Plus, KP_Add }
00823 void Variations::init( const KKey& key, bool bQt )
00824 {
00825     if( key.isNull() ) {
00826         m_nVariations = 0;
00827         return;
00828     }
00829 
00830     m_nVariations = 1;
00831     m_rgkey[0] = KKeyNative(key);
00832     uint symVar = Sym(key.sym()).getSymVariation();
00833     if( symVar ) {
00834         uint modReq = Sym(m_rgkey[0].sym()).getModsRequired();
00835         uint modReqVar = Sym(symVar).getModsRequired();
00836         // If 'key' doesn't require any mods that are inherent in
00837         //  the primary key but not required for the alternate,
00838         if( (key.modFlags() & modReq) == (key.modFlags() & modReqVar) ) {
00839             m_rgkey[1] = KKeyNative(KKey(symVar, key.modFlags()));
00840             m_nVariations = 2;
00841         }
00842     }
00843 
00844     if( bQt ) {
00845         uint nVariations = 0;
00846         for( uint i = 0; i < m_nVariations; i++ ) {
00847             int keyQt = KKeyNative( m_rgkey[i].code(), m_rgkey[i].mod(), m_rgkey[i].sym() ).keyCodeQt();
00848             if( keyQt )
00849                 m_rgkey[nVariations++].setKeycodeQt( keyQt );
00850         }
00851         m_nVariations = nVariations;
00852 
00853         // Two different native codes may produce a single
00854         //  Qt code.  Search for duplicates.
00855         for( uint i = 1; i < m_nVariations; i++ ) {
00856             for( uint j = 0; j < i; j++ ) {
00857                 // If key is already present in list, then remove it.
00858                 if( m_rgkey[i].keyCodeQt() == m_rgkey[j].keyCodeQt() ) {
00859                     for( uint k = i; k < m_nVariations - 1; k++ )
00860                         m_rgkey[k].setKeycodeQt( m_rgkey[k+1].keyCodeQt() );
00861                     m_nVariations--;
00862                     i--;
00863                     break;
00864                 }
00865             }
00866         }
00867     }
00868 }
00869 
00870 } // end of namespace KKeyServer block
00871 
00872 // FIXME: This needs to be moved to kshortcut.cpp, and create a 
00873 //  KKeyServer::method which it will call.
00874 // Alt+SysReq => Alt+Print
00875 // Ctrl+Shift+Plus => Ctrl+Plus (en)
00876 // Ctrl+Shift+Equal => Ctrl+Plus
00877 // Ctrl+Pause => Ctrl+Break
00878 void KKey::simplify()
00879 {
00880     if( m_sym == XK_Sys_Req ) {
00881         m_sym = XK_Print;
00882         m_mod |= ALT;
00883     } else if( m_sym == XK_ISO_Left_Tab ) {
00884         m_sym = XK_Tab;
00885         m_mod |= SHIFT;
00886     } else {
00887         // Shift+Equal => Shift+Plus (en)
00888         m_sym = KKeyNative(*this).sym();
00889     }
00890 
00891     // If this is a letter, don't remove any modifiers.
00892     if( m_sym < 0x3000 && QChar(m_sym).isLetter() )
00893         m_sym = QChar(m_sym).lower().unicode();
00894 
00895     // Remove modifers from modifier list which are implicit in the symbol.
00896     // Ex. Shift+Plus => Plus (en)
00897     m_mod &= ~KKeyServer::Sym(m_sym).getModsRequired();
00898 }
00899 
00900 #endif // Q_WS_X11
KDE Logo
This file is part of the documentation for kdecore Library Version 3.2.2.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Tue Feb 14 09:16:06 2006 by doxygen 1.3.6 written by Dimitri van Heesch, © 1997-2003