kdecore Library API Documentation

kstdaccel.cpp

00001 /* This file is part of the KDE libraries
00002     Copyright (C) 1997 Stefan Taferner (taferner@alpin.or.at)
00003     Copyright (C) 2000 Nicolas Hadacek (haadcek@kde.org)
00004     Copyright (C) 2001,2002 Ellis Whitehead (ellis@kde.org)
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License version 2 as published by the Free Software Foundation.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public License
00016     along with this library; see the file COPYING.LIB.  If not, write to
00017     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018     Boston, MA 02111-1307, USA.
00019 */
00020 #define __KSTDACCEL_CPP_ 1
00021 
00022 #include "kstdaccel.h"
00023 
00024 #include "kaccelaction.h"
00025 #include "kaccelbase.h"
00026 #include <kconfig.h>
00027 #include <kdebug.h>
00028 #include <kglobal.h>
00029 #include <klocale.h>
00030 #include <kshortcut.h>
00031 #include <kshortcutlist.h>
00032 
00033 namespace KStdAccel
00034 {
00035 
00036 struct KStdAccelInfo
00037 {
00038     StdAccel id;
00039     const char* psName;
00040     const char* psDesc;
00041     int cutDefault, cutDefault4, cutDefault3B, cutDefault4B;
00042     KShortcut cut;
00043     bool bInitialized;
00044 };
00045 
00046 static KStdAccelInfo g_infoStdAccel[] =
00047 {
00048     {AccelNone,            "Group:File", I18N_NOOP("File"), 0, 0, 0, 0, KShortcut(), false },
00049     { Open,                I18N_NOOP("Open"), 0,     Qt::CTRL+Qt::Key_O, 0, 0, 0, KShortcut(), false },
00050     { New,                 I18N_NOOP("New"), 0,      Qt::CTRL+Qt::Key_N, 0, 0, 0, KShortcut(), false },
00051     { Close,               I18N_NOOP("Close"), 0,    Qt::CTRL+Qt::Key_W, Qt::CTRL+Qt::Key_Escape, 0, Qt::CTRL+Qt::Key_W, KShortcut(), false },
00052     { Save,                I18N_NOOP("Save"), 0,     Qt::CTRL+Qt::Key_S, 0, 0, 0, KShortcut(), false },
00053     { Print,               I18N_NOOP("Print"), 0,    Qt::CTRL+Qt::Key_P, 0, 0, 0, KShortcut(), false },
00054     { Quit,                I18N_NOOP("Quit"), 0,     Qt::CTRL+Qt::Key_Q, 0, 0, 0, KShortcut(), false },
00055     {AccelNone,            "Group:Edit", I18N_NOOP("Edit"), 0, 0, 0, 0, KShortcut(), false },
00056     { Undo,                I18N_NOOP("Undo"), 0,     Qt::CTRL+Qt::Key_Z, 0, 0, 0, KShortcut(), false },
00057     { Redo,                I18N_NOOP("Redo"), 0,     Qt::CTRL+Qt::SHIFT+Qt::Key_Z, 0, 0, 0, KShortcut(), false },
00058     { Cut,                 I18N_NOOP("Cut"), 0,      Qt::CTRL+Qt::Key_X, 0, Qt::SHIFT+Qt::Key_Delete, 0, KShortcut(), false },
00059     { Copy,                I18N_NOOP("Copy"), 0,     Qt::CTRL+Qt::Key_C, 0, Qt::CTRL+Qt::Key_Insert, 0, KShortcut(), false },
00060     { Paste,               I18N_NOOP("Paste"), 0,    Qt::CTRL+Qt::Key_V, 0, Qt::SHIFT+Qt::Key_Insert, 0, KShortcut(), false },
00061     { SelectAll,           "SelectAll", I18N_NOOP("Select All"), Qt::CTRL+Qt::Key_A, 0, 0, 0, KShortcut(), false },
00062     { Deselect,            I18N_NOOP("Deselect"), 0, Qt::CTRL+Qt::SHIFT+Qt::Key_A, 0, 0, 0, KShortcut(), false },
00063     { DeleteWordBack,      "DeleteWordBack", I18N_NOOP("Delete Word Backwards"), Qt::CTRL+Qt::Key_Backspace, 0, 0, 0, KShortcut(), false },
00064     { DeleteWordForward,   "DeleteWordForward", I18N_NOOP("Delete Word Forward"), Qt::CTRL+Qt::Key_Delete, 0,  0, 0, KShortcut(), false },
00065     { Find,                I18N_NOOP("Find"), 0,     Qt::CTRL+Qt::Key_F, 0, 0, 0, KShortcut(), false },
00066     { FindNext,            "FindNext", I18N_NOOP("Find Next"), Qt::Key_F3, 0, 0, 0, KShortcut(), false },
00067     { FindPrev,            "FindPrev", I18N_NOOP("Find Prev"), Qt::SHIFT+Qt::Key_F3, 0, 0, 0, KShortcut(), false },
00068     { Replace,             I18N_NOOP("Replace"), 0,  Qt::CTRL+Qt::Key_R, 0, 0, 0, KShortcut(), false },
00069     {AccelNone,            "Group:Navigation", I18N_NOOP("Navigation"), 0, 0, 0, 0, KShortcut(), false },
00070     { Home,                I18N_NOOP("Home"), 0,     Qt::CTRL+Qt::Key_Home, 0, 0, 0, KShortcut(), false },
00071     { End,                 I18N_NOOP("End"), 0,      Qt::CTRL+Qt::Key_End, 0, 0, 0, KShortcut(), false },
00072     { BeginningOfLine,     "BeginningOfLine", I18N_NOOP("Beginning of Line"), Qt::Key_Home, 0, 0, 0, KShortcut(), false},
00073     { EndOfLine,           "EndOfLine", I18N_NOOP("End of Line"), Qt::Key_End, 0, 0, 0, KShortcut(), false},
00074     { Prior,               I18N_NOOP("Prior"), 0,    Qt::Key_Prior, 0, 0, 0, KShortcut(), false },
00075     { Next,                I18N_NOOP("Next"), 0,     Qt::Key_Next, 0, 0, 0, KShortcut(), false },
00076     { GotoLine,            "GotoLine", I18N_NOOP("Go to Line"), Qt::CTRL+Qt::Key_G, 0, 0, 0, KShortcut(), false },
00077     { AddBookmark,         "AddBookmark", I18N_NOOP("Add Bookmark"), Qt::CTRL+Qt::Key_B, 0, 0, 0, KShortcut(), false },
00078     { ZoomIn,              "ZoomIn", I18N_NOOP("Zoom In"), Qt::CTRL+Qt::Key_Plus, 0, 0, 0, KShortcut(), false },
00079     { ZoomOut,             "ZoomOut", I18N_NOOP("Zoom Out"), Qt::CTRL+Qt::Key_Minus, 0, 0, 0, KShortcut(), false },
00080     { Up,                  I18N_NOOP("Up"), 0,       Qt::ALT+Qt::Key_Up, 0, 0, 0, KShortcut(), false },
00081     { Back,                I18N_NOOP("Back"), 0,     Qt::ALT+Qt::Key_Left, 0, 0, 0, KShortcut(), false },
00082     { Forward,             I18N_NOOP("Forward"), 0,  Qt::ALT+Qt::Key_Right, 0, 0, 0, KShortcut(), false },
00083     { Reload,              I18N_NOOP("Reload"), 0,   Qt::Key_F5, 0, 0, 0, KShortcut(), false },
00084     { PopupMenuContext,    "PopupMenuContext", I18N_NOOP("Popup Menu Context"), Qt::Key_Menu, 0, 0, 0, KShortcut(), false },
00085     { ShowMenubar,         "ShowMenubar", I18N_NOOP("Show Menu Bar"), Qt::CTRL+Qt::Key_M, 0, 0, 0, KShortcut(), false },
00086     { BackwardWord,        "BackwardWord", I18N_NOOP("Backward Word"), Qt::CTRL+Qt::Key_Left, 0, 0, 0, KShortcut(), false },
00087     { ForwardWord,         "ForwardWord", I18N_NOOP("Forward Word"), Qt::CTRL+Qt::Key_Right, 0, 0, 0, KShortcut(), false },
00088     { TabNext,             I18N_NOOP("Activate Next Tab"), 0,  Qt::CTRL+Qt::Key_Period, 0, Qt::CTRL+Qt::Key_BracketRight, 0, KShortcut(), false },
00089     { TabPrev,             I18N_NOOP("Activate Previous Tab"), 0,   Qt::CTRL+Qt::Key_Comma, 0, Qt::CTRL+Qt::Key_BracketLeft, 0, KShortcut(), false },
00090     { FullScreen,          "FullScreen", I18N_NOOP("Full Screen Mode"), Qt::CTRL+Qt::SHIFT+Qt::Key_F, 0, 0, 0, KShortcut(), false },
00091     {AccelNone,            "Group:Help", I18N_NOOP("Help"), 0, 0, 0, 0, KShortcut(), false },
00092     { Help,                I18N_NOOP("Help"), 0,     Qt::Key_F1, 0, 0, 0, KShortcut(), false },
00093     { WhatsThis,           "WhatsThis", I18N_NOOP("What's This"), Qt::SHIFT+Qt::Key_F1, 0, 0, 0, KShortcut(), false },
00094     {AccelNone,            "Group:TextCompletion", I18N_NOOP("Text Completion"), 0, 0, 0, 0, KShortcut(), false },
00095     { TextCompletion,      "TextCompletion", I18N_NOOP("Text Completion"), Qt::CTRL+Qt::Key_E, 0, 0, 0, KShortcut(), false },
00096     { PrevCompletion,      "PrevCompletion", I18N_NOOP("Previous Completion Match"), Qt::CTRL+Qt::Key_Up, 0, 0, 0, KShortcut(), false },
00097     { NextCompletion,      "NextCompletion", I18N_NOOP("Next Completion Match"), Qt::CTRL+Qt::Key_Down, 0, 0, 0, KShortcut(), false },
00098     { SubstringCompletion, "SubstringCompletion", I18N_NOOP("Substring Completion"), Qt::CTRL+Qt::Key_T, 0, 0, 0, KShortcut(), false },
00099     { RotateUp,            "RotateUp", I18N_NOOP("Previous Item in List"), Qt::Key_Up, 0, 0, 0, KShortcut(), false },
00100     { RotateDown,          "RotateDown", I18N_NOOP("Next Item in List"), Qt::Key_Down, 0, 0, 0, KShortcut(), false },
00101     { AccelNone,           0, 0, 0, 0, 0, 0, KShortcut(), false }
00102 };
00103 
00104 static KStdAccelInfo* infoPtr( StdAccel id )
00105 {
00106     if( id != AccelNone ) {
00107         // Linear search. Changing the data structure doesn't seem possible
00108         // (since we need groups for the config stuff), but maybe a little
00109         // additional hashtable wouldn't hurt.
00110         for( uint i = 0; g_infoStdAccel[i].psName != 0; i++ ) {
00111             if( g_infoStdAccel[i].id == id )
00112                 return &g_infoStdAccel[i];
00113         }
00114     }
00115     return 0;
00116 }
00117 
00118 static void initialize( StdAccel id )
00119 {
00120     KConfigGroupSaver saver( KGlobal::config(), "Shortcuts" );
00121     KStdAccelInfo* pInfo = infoPtr( id );
00122 
00123     if( !pInfo ) {
00124         kdWarning(125) << "KStdAccel: id not found!" << endl; // -- ellis
00125         return;
00126     }
00127 
00128     if( saver.config()->hasKey( pInfo->psName ) ) {
00129         QString s = saver.config()->readEntry( pInfo->psName );
00130         if( s != "none" )
00131             pInfo->cut.init( s );
00132         else
00133             pInfo->cut.clear();
00134     } else
00135         pInfo->cut = shortcutDefault( id );
00136     pInfo->bInitialized = true;
00137 }
00138 
00139 QString name( StdAccel id )
00140 {
00141     KStdAccelInfo* pInfo = infoPtr( id );
00142     if( !pInfo )
00143         return QString::null;
00144     return pInfo->psName;
00145 }
00146 
00147 QString label( StdAccel id )
00148 {
00149     KStdAccelInfo* pInfo = infoPtr( id );
00150     if( !pInfo )
00151         return QString::null;
00152     return i18n((pInfo->psDesc) ? pInfo->psDesc : pInfo->psName);
00153 }
00154 
00155 // TODO: Add psWhatsThis entry to KStdAccelInfo
00156 QString whatsThis( StdAccel /*id*/ )
00157 {
00158 //  KStdAccelInfo* pInfo = infoPtr( id );
00159 //  if( pInfo && pInfo->psWhatsThis )
00160 //      return i18n(pInfo->psWhatsThis);
00161 //  else
00162         return QString::null;
00163 }
00164 
00165 const KShortcut& shortcut( StdAccel id )
00166 {
00167     KStdAccelInfo* pInfo = infoPtr( id );
00168     if( !pInfo )
00169         return KShortcut::null();
00170 
00171     if( !pInfo->bInitialized )
00172         initialize( id );
00173 
00174     return pInfo->cut;
00175 }
00176 
00177 StdAccel findStdAccel( const KKeySequence& seq )
00178 {
00179     if( !seq.isNull() ) {
00180         for( uint i = 0; g_infoStdAccel[i].psName != 0; i++ ) {
00181             StdAccel id = g_infoStdAccel[i].id;
00182             if( id != AccelNone ) {
00183                 if( !g_infoStdAccel[i].bInitialized )
00184                     initialize( id );
00185                 if( g_infoStdAccel[i].cut.contains( seq ) )
00186                     return id;
00187             }
00188         }
00189     }
00190     return AccelNone;
00191 }
00192 
00193 KShortcut shortcutDefault( StdAccel id )
00194 {
00195     return (KAccelAction::useFourModifierKeys())
00196         ? shortcutDefault4(id) : shortcutDefault3(id);
00197 }
00198 
00199 KShortcut shortcutDefault3( StdAccel id )
00200 {
00201     KShortcut cut;
00202 
00203     KStdAccelInfo* pInfo = infoPtr( id );
00204     if( pInfo ) {
00205         if( pInfo->cutDefault )
00206             cut.init( pInfo->cutDefault );
00207         // FIXME: if there is no cutDefault, then this we be made the primary
00208         //  instead of alternate shortcut.
00209         if( pInfo->cutDefault3B )
00210             cut.append( KKey(pInfo->cutDefault3B) );
00211     }
00212 
00213     return cut;
00214 }
00215 
00216 KShortcut shortcutDefault4( StdAccel id )
00217 {
00218     KShortcut cut;
00219 
00220     KStdAccelInfo* pInfo = infoPtr( id );
00221     if( pInfo ) {
00222         KStdAccelInfo& info = *pInfo;
00223         KKeySequence key2;
00224 
00225         cut.init( (info.cutDefault4) ?
00226             QKeySequence(info.cutDefault) : QKeySequence(info.cutDefault4) );
00227 
00228         if( info.cutDefault4B )
00229             key2.init( QKeySequence(info.cutDefault4B) );
00230         else if( info.cutDefault3B )
00231             key2.init( QKeySequence(info.cutDefault3B) );
00232 
00233         if( key2.count() )
00234             cut.append( key2 );
00235     }
00236 
00237     return cut;
00238 }
00239 
00240 #if 0 // unused
00241 void createAccelActions( KAccelActions& actions )
00242 {
00243     actions.clear();
00244 
00245     for( uint i = 0; g_infoStdAccel[i].psName != 0; i++ ) {
00246         StdAccel id = g_infoStdAccel[i].id;
00247         KStdAccelInfo* pInfo = &g_infoStdAccel[i];
00248 
00249         if( id != AccelNone ) {
00250             actions.insert( pInfo->psName,
00251                 i18n((pInfo->psDesc) ? pInfo->psDesc : pInfo->psName),
00252                 QString::null, // pInfo->psWhatsThis,
00253                 shortcutDefault3(id),
00254                 shortcutDefault4(id) );
00255         } else
00256             actions.insert( pInfo->psName, i18n(pInfo->psDesc) );
00257     }
00258 }
00259 #endif
00260 
00261 const KShortcut& open()                  { return shortcut( Open ); }
00262 const KShortcut& openNew()               { return shortcut( New ); }
00263 const KShortcut& close()                 { return shortcut( Close ); }
00264 const KShortcut& save()                  { return shortcut( Save ); }
00265 const KShortcut& print()                 { return shortcut( Print ); }
00266 const KShortcut& quit()                  { return shortcut( Quit ); }
00267 const KShortcut& cut()                   { return shortcut( Cut ); }
00268 const KShortcut& copy()                  { return shortcut( Copy ); }
00269 const KShortcut& paste()                 { return shortcut( Paste ); }
00270 const KShortcut& deleteWordBack()        { return shortcut( DeleteWordBack ); }
00271 const KShortcut& deleteWordForward()     { return shortcut( DeleteWordForward ); }
00272 const KShortcut& undo()                  { return shortcut( Undo ); }
00273 const KShortcut& redo()                  { return shortcut( Redo ); }
00274 const KShortcut& find()                  { return shortcut( Find ); }
00275 const KShortcut& findNext()              { return shortcut( FindNext ); }
00276 const KShortcut& findPrev()              { return shortcut( FindPrev ); }
00277 const KShortcut& replace()               { return shortcut( Replace ); }
00278 const KShortcut& home()                  { return shortcut( Home ); }
00279 const KShortcut& end()                   { return shortcut( End ); }
00280 const KShortcut& beginningOfLine()       { return shortcut( BeginningOfLine ); }
00281 const KShortcut& endOfLine()             { return shortcut( EndOfLine ); }
00282 const KShortcut& prior()                 { return shortcut( Prior ); }
00283 const KShortcut& next()                  { return shortcut( Next ); }
00284 const KShortcut& backwardWord()          { return shortcut( BackwardWord ); }
00285 const KShortcut& forwardWord()           { return shortcut( ForwardWord ); }
00286 const KShortcut& gotoLine()              { return shortcut( GotoLine ); }
00287 const KShortcut& addBookmark()           { return shortcut( AddBookmark ); }
00288 const KShortcut& tabNext()               { return shortcut( TabNext ); }
00289 const KShortcut& tabPrev()               { return shortcut( TabPrev ); }
00290 const KShortcut& fullScreen()            { return shortcut( FullScreen ); }
00291 const KShortcut& zoomIn()                { return shortcut( ZoomIn ); }
00292 const KShortcut& zoomOut()               { return shortcut( ZoomOut ); }
00293 const KShortcut& help()                  { return shortcut( Help ); }
00294 const KShortcut& completion()            { return shortcut( TextCompletion ); }
00295 const KShortcut& prevCompletion()        { return shortcut( PrevCompletion ); }
00296 const KShortcut& nextCompletion()        { return shortcut( NextCompletion ); }
00297 const KShortcut& rotateUp()              { return shortcut( RotateUp ); }
00298 const KShortcut& rotateDown()            { return shortcut( RotateDown ); }
00299 const KShortcut& substringCompletion()   { return shortcut( SubstringCompletion ); }
00300 const KShortcut& popupMenuContext()      { return shortcut( PopupMenuContext ); }
00301 const KShortcut& whatsThis()             { return shortcut( WhatsThis ); }
00302 const KShortcut& reload()                { return shortcut( Reload ); }
00303 const KShortcut& selectAll()             { return shortcut( SelectAll ); }
00304 const KShortcut& up()                    { return shortcut( Up ); }
00305 const KShortcut& back()                  { return shortcut( Back ); }
00306 const KShortcut& forward()               { return shortcut( Forward ); }
00307 const KShortcut& showMenubar()           { return shortcut( ShowMenubar ); }
00308 
00309 //---------------------------------------------------------------------
00310 // ShortcutList
00311 //---------------------------------------------------------------------
00312 
00313 ShortcutList::ShortcutList()
00314     { }
00315 
00316 ShortcutList::~ShortcutList()
00317     { }
00318 
00319 uint ShortcutList::count() const
00320 {
00321     static uint g_nAccels = 0;
00322     if( g_nAccels == 0 ) {
00323         for( ; g_infoStdAccel[g_nAccels].psName != 0; g_nAccels++ )
00324             ;
00325     }
00326     return g_nAccels;
00327 }
00328 
00329 QString ShortcutList::name( uint i ) const
00330     { return g_infoStdAccel[i].psName; }
00331 
00332 QString ShortcutList::label( uint i ) const
00333     { return i18n((g_infoStdAccel[i].psDesc) ? g_infoStdAccel[i].psDesc : g_infoStdAccel[i].psName); }
00334 
00335 QString ShortcutList::whatsThis( uint ) const
00336     { return QString::null; }
00337 
00338 const KShortcut& ShortcutList::shortcut( uint i ) const
00339 {
00340     if( !g_infoStdAccel[i].bInitialized )
00341         initialize( g_infoStdAccel[i].id );
00342     return g_infoStdAccel[i].cut;
00343 }
00344 
00345 const KShortcut& ShortcutList::shortcutDefault( uint i ) const
00346 {
00347     static KShortcut cut;
00348     cut = KStdAccel::shortcutDefault( g_infoStdAccel[i].id );
00349     return cut;
00350 }
00351 
00352 bool ShortcutList::isConfigurable( uint i ) const
00353     { return (g_infoStdAccel[i].id != AccelNone); }
00354 
00355 bool ShortcutList::setShortcut( uint i, const KShortcut& cut )
00356     { g_infoStdAccel[i].cut = cut; return true; }
00357 
00358 QVariant ShortcutList::getOther( Other, uint ) const
00359     { return QVariant(); }
00360 
00361 bool ShortcutList::setOther( Other, uint, QVariant )
00362     { return false; }
00363 
00364 bool ShortcutList::save() const
00365 {
00366     return writeSettings( QString::null, 0, false, true );
00367 }
00368 
00369 QString action(StdAccel id)
00370     { return name(id); }
00371 QString description(StdAccel id)
00372     { return label(id); }
00373 int key(StdAccel id)
00374     { return shortcut(id).keyCodeQt(); }
00375 int defaultKey(StdAccel id)
00376     { return shortcutDefault(id).keyCodeQt(); }
00377 
00378 bool isEqual(const QKeyEvent* ev, int keyQt)
00379 {
00380     KKey key1( ev ), key2( keyQt );
00381     return key1 == key2;
00382 }
00383 
00384 }
00385 
00386 #undef __KSTDACCEL_CPP_
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