kdeui Library API Documentation

kpanelmenu.cpp

00001 /***************************************************************** 00002 00003 Copyright (c) 1996-2000 the kicker authors. See file AUTHORS. 00004 (c) Michael Goffioul <goffioul@imec.be> 00005 00006 Permission is hereby granted, free of charge, to any person obtaining a copy 00007 of this software and associated documentation files (the "Software"), to deal 00008 in the Software without restriction, including without limitation the rights 00009 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00010 copies of the Software, and to permit persons to whom the Software is 00011 furnished to do so, subject to the following conditions: 00012 00013 The above copyright notice and this permission notice shall be included in 00014 all copies or substantial portions of the Software. 00015 00016 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00017 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00018 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00019 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 00020 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 00021 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00022 00023 ******************************************************************/ 00024 00025 #include <kglobal.h> 00026 #include <kconfig.h> 00027 #include <qtimer.h> 00028 00029 #include "kpanelmenu.h" 00030 #include "kpanelmenu.moc" 00031 //#include "kaccelmanager.h" 00032 00033 00034 class KPanelMenuPrivate 00035 { 00036 public: 00037 bool init; 00038 int clearDelay; 00039 QString startPath; 00040 QTimer t; 00041 }; 00042 00043 KPanelMenu::KPanelMenu(const QString &startDir, QWidget *parent, const char *name) 00044 : KPopupMenu(parent, name) 00045 { 00046 init(startDir); 00047 } 00048 00049 KPanelMenu::KPanelMenu(QWidget *parent, const char *name) 00050 : KPopupMenu(parent, name) 00051 { 00052 init(); 00053 } 00054 00055 void KPanelMenu::init(const QString& path) 00056 { 00057 d = new KPanelMenuPrivate; 00058 00059 setInitialized( false ); 00060 d->startPath = path; 00061 00062 connect(this, SIGNAL(activated(int)), SLOT(slotExec(int))); 00063 connect(this, SIGNAL(aboutToShow()), SLOT(slotAboutToShow())); 00064 00065 // setup cache timer 00066 KConfig *config = KGlobal::config(); 00067 config->setGroup("menus"); 00068 d->clearDelay = config->readNumEntry("MenuCacheTime", 60000); // 1 minute 00069 00070 //KAcceleratorManager::manage(this); 00071 setKeyboardShortcutsEnabled(true); 00072 } 00073 00074 KPanelMenu::~KPanelMenu() 00075 { 00076 delete d; 00077 } 00078 00079 void KPanelMenu::slotAboutToShow() 00080 { 00081 // stop the cache timer 00082 if(d->clearDelay) 00083 d->t.stop(); 00084 00085 // teared off ? 00086 if ( isTopLevel() ) 00087 d->clearDelay = 0; 00088 00089 internalInitialize(); 00090 } 00091 00092 void KPanelMenu::slotClear() 00093 { 00094 setInitialized( false ); 00095 clear(); 00096 } 00097 00098 void KPanelMenu::hideEvent(QHideEvent *ev) 00099 { 00100 // start the cache timer 00101 if(d->clearDelay) { 00102 disconnect(&(d->t), SIGNAL(timeout()), this, SLOT(slotClear())); 00103 connect(&(d->t), SIGNAL(timeout()), this, SLOT(slotClear())); 00104 d->t.start(d->clearDelay, true); 00105 } 00106 QPopupMenu::hideEvent(ev); 00107 } 00108 00109 void KPanelMenu::disableAutoClear() 00110 { 00111 d->clearDelay = 0; 00112 } 00113 00114 const QString& KPanelMenu::path() const 00115 { 00116 return d->startPath; 00117 } 00118 00119 void KPanelMenu::setPath(const QString& p) 00120 { 00121 d->startPath = p; 00122 } 00123 00124 bool KPanelMenu::initialized() const 00125 { 00126 return d->init; 00127 } 00128 00129 void KPanelMenu::setInitialized(bool on) 00130 { 00131 d->init = on; 00132 } 00133 00134 void KPanelMenu::reinitialize() 00135 { 00136 deinitialize(); 00137 // Yes, reinitialize must call initialize(). Otherwise, menus 00138 // may not appear in the right place. Don't change this! If 00139 // you want delayed initialization, use deinitialize() instead. 00140 internalInitialize(); 00141 } 00142 00143 void KPanelMenu::deinitialize() 00144 { 00145 slotClear(); 00146 } 00147 00148 void KPanelMenu::internalInitialize() 00149 { 00150 if( initialized() ) 00151 return; 00152 initialize(); 00153 setInitialized( true ); 00154 } 00155 00156 void KPanelMenu::virtual_hook( int id, void* data ) 00157 { KPopupMenu::virtual_hook( id, data ); } 00158
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This file is part of the documentation for kdeui Library Version 3.2.3.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 12 15:08:17 2004 by doxygen 1.3.7 written by Dimitri van Heesch, © 1997-2003