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Diffstat (limited to 'krusader/paneltabbar.cpp')
| -rw-r--r-- | krusader/paneltabbar.cpp | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/krusader/paneltabbar.cpp b/krusader/paneltabbar.cpp new file mode 100644 index 0000000..6208255 --- /dev/null +++ b/krusader/paneltabbar.cpp @@ -0,0 +1,262 @@ +/*************************************************************************** + paneltabbar.cpp - description + ------------------- + begin : Sun Jun 2 2002 + copyright : (C) 2002 by Shie Erlich & Rafi Yanai + email : + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include "paneltabbar.h" +#include "Panel/listpanel.h" +#include "krusaderview.h" +#include "krslots.h" +#include "defaults.h" +#include <kaction.h> +#include <klocale.h> +#include <kshortcut.h> +#include <qevent.h> +#include <qwidgetstack.h> +#include <qfontmetrics.h> +#include <qtooltip.h> +#include <kdebug.h> + +#define DISPLAY(X) (X.isLocalFile() ? X.path() : X.prettyURL()) + +PanelTabBar::PanelTabBar(QWidget *parent): QTabBar(parent), _maxTabLength(0) { + _panelActionMenu = new KActionMenu( i18n("Panel"), this ); + + setAcceptDrops(true); + insertAction(krNewTab); + insertAction(krDupTab); + insertAction(krPreviousTab); + insertAction(krNextTab); + insertAction(krCloseTab); + krCloseTab->setEnabled(false); //can't close a single tab + + setShape(QTabBar::TriangularBelow); +} + +void PanelTabBar::mousePressEvent( QMouseEvent* e ) { + QTab* clickedTab = selectTab( e->pos() ); + if( !clickedTab ) { // clicked on nothing ... + QTabBar::mousePressEvent(e); + return; + } + // else implied + setCurrentTab( clickedTab ); + emit changePanel(dynamic_cast<PanelTab*>(clickedTab)->panel); + + if ( e->button() == Qt::RightButton ) { + // show the popup menu + _panelActionMenu->popup( e->globalPos() ); + } else + if ( e->button() == Qt::LeftButton ) { // we need to change tabs + // first, find the correct panel to load + int id = currentTab(); + ListPanel *listpanel = dynamic_cast<PanelTab*>(tab(id))->panel; + emit changePanel(listpanel); + } else + if (e->button() == Qt::MidButton) { // close the current tab + emit closeCurrentTab(); + } + QTabBar::mousePressEvent(e); +} + +void PanelTabBar::insertAction( KAction* action ) { + _panelActionMenu->insert( action ); +} + +int PanelTabBar::addPanel(ListPanel *panel, bool setCurrent ) { + int newId = addTab(new PanelTab(squeeze(DISPLAY(panel->virtualPath())), panel)); + + // make sure all tabs lengths are correct + for (int i=0; i<count(); i++) + tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i)); + layoutTabs(); + + if( setCurrent ) + setCurrentTab(newId); + + // enable close-tab action + if (count()>1) { + krCloseTab->setEnabled(true); + } + + connect(dynamic_cast<PanelTab*>(tab(newId))->panel, SIGNAL(pathChanged(ListPanel*)), + this, SLOT(updateTab(ListPanel*))); + + return newId; +} + +ListPanel* PanelTabBar::removeCurrentPanel(ListPanel* &panelToDelete) { + int id = currentTab(); + ListPanel *oldp = dynamic_cast<PanelTab*>(tab(id))->panel; // old panel to kill later + disconnect(dynamic_cast<PanelTab*>(tab(id))->panel); + removeTab(tab(id)); + + for (int i=0; i<count(); i++) + tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i)); + layoutTabs(); + + // setup current one + id = currentTab(); + ListPanel *p = dynamic_cast<PanelTab*>(tab(id))->panel; + // disable close action? + if (count()==1) { + krCloseTab->setEnabled(false); + } + + panelToDelete = oldp; + return p; +} + +void PanelTabBar::updateTab(ListPanel *panel) { + // find which is the correct tab + for (int i=0; i<count(); i++) { + if (dynamic_cast<PanelTab*>(tabAt(i))->panel == panel) { + tabAt(i)->setText(squeeze(DISPLAY(panel->virtualPath()),i)); + break; + } + } +} + +void PanelTabBar::duplicateTab() { + int id = currentTab(); + emit newTab(dynamic_cast<PanelTab*>(tab(id))->panel->virtualPath()); +} + +void PanelTabBar::closeTab() { + emit closeCurrentTab(); +} + +QString PanelTabBar::squeeze(QString text, int index) { + QString originalText = text; + + QString lastGroup = krConfig->group(); + krConfig->setGroup( "Look&Feel" ); + bool longNames = krConfig->readBoolEntry( "Fullpath Tab Names", _FullPathTabNames ); + krConfig->setGroup( lastGroup ); + + if( !longNames ) + { + while( text.endsWith( "/" ) ) + text.truncate( text.length() -1 ); + if( text.isEmpty() || text.endsWith(":") ) + text += "/"; + else + { + QString shortName; + + if( text.contains( ":/" ) ) + shortName = text.left( text.find( ":/" ) ) + ":"; + + shortName += text.mid( text.findRev( "/" ) + 1 ); + text = shortName; + } + + if( index >= 0 ) + setToolTip( index, originalText ); + + index = -1; + } + + QFontMetrics fm(fontMetrics()); + + // set the real max length + _maxTabLength = (static_cast<QWidget*>(parent())->width()-(6*fm.width("W")))/fm.width("W"); + // each tab gets a fair share of the max tab length + int _effectiveTabLength = _maxTabLength / (count() == 0 ? 1 : count()); + + int labelWidth = fm.width("W")*_effectiveTabLength; + int textWidth = fm.width(text); + if (textWidth > labelWidth) { + // start with the dots only + QString squeezedText = "..."; + int squeezedWidth = fm.width(squeezedText); + + // estimate how many letters we can add to the dots on both sides + int letters = text.length() * (labelWidth - squeezedWidth) / textWidth / 2; + if (labelWidth < squeezedWidth) letters=1; + squeezedText = text.left(letters) + "..." + text.right(letters); + squeezedWidth = fm.width(squeezedText); + + if (squeezedWidth < labelWidth) { + // we estimated too short + // add letters while text < label + do { + letters++; + squeezedText = text.left(letters) + "..." + text.right(letters); + squeezedWidth = fm.width(squeezedText); + } while (squeezedWidth < labelWidth); + letters--; + squeezedText = text.left(letters) + "..." + text.right(letters); + } else if (squeezedWidth > labelWidth) { + // we estimated too long + // remove letters while text > label + do { + letters--; + squeezedText = text.left(letters) + "..." + text.right(letters); + squeezedWidth = fm.width(squeezedText); + } while (letters && squeezedWidth > labelWidth); + } + + if( index >= 0 ) + setToolTip( index, originalText ); + + if (letters < 5) { + // too few letters added -> we give up squeezing + //return text; + return squeezedText; + } else { + return squeezedText; + } + } else { + if( index >= 0 ) + removeToolTip( index ); + + return text; + }; +} + +void PanelTabBar::resizeEvent ( QResizeEvent *e ) { + QTabBar::resizeEvent( e ); + + for (int i=0; i<count(); i++) + tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i)); + layoutTabs(); +} + + +void PanelTabBar::dragEnterEvent(QDragEnterEvent *e) { + QTab *t = selectTab(e->pos()); + if (!t) return; + if (tab(currentTab()) != t) { + setCurrentTab(t); + emit changePanel(dynamic_cast<PanelTab*>(t)->panel); + } +} + +void PanelTabBar::dragMoveEvent(QDragMoveEvent *e) { + QTab *t = selectTab(e->pos()); + if (!t) return; + if (tab(currentTab()) != t) { + setCurrentTab(t); + emit changePanel(dynamic_cast<PanelTab*>(t)->panel); + } +} + +// -----------------------------> PanelTab <---------------------------- + +PanelTab::PanelTab(const QString & text): QTab(text) {} +PanelTab::PanelTab(const QString & text, ListPanel *p): QTab(text), panel(p) {} + +#include "paneltabbar.moc" |