diff options
Diffstat (limited to 'src/libs/widgets/common/sidebar.cpp')
| -rw-r--r-- | src/libs/widgets/common/sidebar.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/src/libs/widgets/common/sidebar.cpp b/src/libs/widgets/common/sidebar.cpp new file mode 100644 index 00000000..a1bcd752 --- /dev/null +++ b/src/libs/widgets/common/sidebar.cpp @@ -0,0 +1,363 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-03-22 + * Description : a widget to manage sidebar in gui. + * + * Copyright (C) 2005-2006 by Joern Ahrens <joern.ahrens@kdemail.net> + * Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * ============================================================ */ + +/** @file sidebar.cpp */ + +// TQt includes. + +#include <tqsplitter.h> +#include <tqwidgetstack.h> +#include <tqdatastream.h> +#include <tqtimer.h> + +// KDE includes. + +#include <tdeapplication.h> +#include <tdeconfig.h> +#include <tdeversion.h> +#include <kiconloader.h> + +// Local includes. + +#include "ddebug.h" +#include "sidebar.h" +#include "sidebar.moc" + +namespace Digikam +{ + +class SidebarPriv +{ +public: + + SidebarPriv() + { + minimizedDefault = false; + minimized = false; + isMinimized = false; + + tabs = 0; + activeTab = -1; + minSize = 0; + maxSize = 0; + dragSwitchId = -1; + + stack = 0; + splitter = 0; + dragSwitchTimer = 0; + } + + bool minimizedDefault; + bool minimized; + bool isMinimized; // Backup of minimized status (used with Fullscreen) + + int tabs; + int activeTab; + int minSize; + int maxSize; + int dragSwitchId; + + TQWidgetStack *stack; + TQSplitter *splitter; + TQSize bigSize; + TQTimer *dragSwitchTimer; + + Sidebar::Side side; +}; + +Sidebar::Sidebar(TQWidget *parent, const char *name, Side side, bool minimizedDefault) + : KMultiTabBar(KMultiTabBar::Vertical, parent, name) +{ + d = new SidebarPriv; + d->minimizedDefault = minimizedDefault; + d->side = side; + d->dragSwitchTimer = new TQTimer(this); + + connect(d->dragSwitchTimer, TQ_SIGNAL(timeout()), + this, TQ_SLOT(slotDragSwitchTimer())); +} + +Sidebar::~Sidebar() +{ + saveViewState(); + delete d; +} + +void Sidebar::updateMinimumWidth() +{ + int width = 0; + for (int i = 0; i < d->tabs; i++) + { + TQWidget *w = d->stack->widget(i); + if (w && w->width() > width) + width = w->width(); + } + d->stack->setMinimumWidth(width); +} + +void Sidebar::setSplitter(TQSplitter *sp) +{ +#if KDE_IS_VERSION(3,3,0) + setStyle(KMultiTabBar::VSNET); +#else + setStyle(KMultiTabBar::KDEV3); +#endif + + d->splitter = sp; + d->stack = new TQWidgetStack(d->splitter); + + if(d->side == Left) + setPosition(KMultiTabBar::Left); + else + setPosition(KMultiTabBar::Right); +} + +TQSplitter* Sidebar::splitter() const +{ + return d->splitter; +} + +void Sidebar::loadViewState() +{ + TDEConfig *config = kapp->config(); + config->setGroup(TQString("%1").arg(name())); + + int tab = config->readNumEntry("ActiveTab", 0); + bool minimized = config->readBoolEntry("Minimized", d->minimizedDefault); + + // validate + if(tab >= d->tabs || tab < 0) + tab = 0; + + if (minimized) + { + d->activeTab = tab; + //setTab(d->activeTab, true); + d->stack->raiseWidget(d->activeTab); + emit signalChangedTab(d->stack->visibleWidget()); + } + else + { + d->activeTab = -1; + } + + clicked(tab); +} + +void Sidebar::saveViewState() +{ + TDEConfig *config = kapp->config(); + config->setGroup(TQString("%1").arg(name())); + config->writeEntry("ActiveTab", d->activeTab); + config->writeEntry("Minimized", d->minimized); + config->sync(); +} + +void Sidebar::backup() +{ + d->isMinimized = d->minimized; + + if (!d->isMinimized) + shrink(); + + KMultiTabBar::hide(); +} + +void Sidebar::restore() +{ + if (!d->isMinimized) + expand(); + + KMultiTabBar::show(); +} + +void Sidebar::appendTab(TQWidget *w, const TQPixmap &pic, const TQString &title) +{ + w->reparent(d->stack, TQPoint(0, 0)); + KMultiTabBar::appendTab(pic, d->tabs, title); + d->stack->addWidget(w, d->tabs); + + tab(d->tabs)->setAcceptDrops(true); + tab(d->tabs)->installEventFilter(this); + + connect(tab(d->tabs), TQ_SIGNAL(clicked(int)), + this, TQ_SLOT(clicked(int))); + + d->tabs++; +} + +void Sidebar::deleteTab(TQWidget *w) +{ + int tab = d->stack->id(w); + if(tab < 0) + return; + + if(tab == d->activeTab) + d->activeTab = -1; + + d->stack->removeWidget(d->stack->widget(tab)); + removeTab(tab); + d->tabs--; + updateMinimumWidth(); + + //TODO show another widget +} + +void Sidebar::clicked(int tab) +{ + if(tab >= d->tabs || tab < 0) + return; + + if(tab == d->activeTab) + { + d->stack->isHidden() ? expand() : shrink(); + } + else + { + if(d->activeTab >= 0) + setTab(d->activeTab, false); + + d->activeTab = tab; + setTab(d->activeTab, true); + d->stack->raiseWidget(d->activeTab); + + if(d->minimized) + expand(); + + emit signalChangedTab(d->stack->visibleWidget()); + } +} + +void Sidebar::setActiveTab(TQWidget *w) +{ + int tab = d->stack->id(w); + if(tab < 0) + return; + + if(d->activeTab >= 0) + setTab(d->activeTab, false); + + d->activeTab = tab; + setTab(d->activeTab, true); + d->stack->raiseWidget(d->activeTab); + + if(d->minimized) + expand(); + + emit signalChangedTab(d->stack->visibleWidget()); +} + +TQWidget* Sidebar::getActiveTab() +{ + return d->stack->visibleWidget(); +} + +void Sidebar::shrink() +{ + d->minimized = true; + d->bigSize = size(); + d->minSize = minimumWidth(); + d->maxSize = maximumWidth(); + + d->stack->hide(); + + KMultiTabBarTab* tab = tabs()->first(); + if (tab) + setFixedWidth(tab->width()); + else + setFixedWidth(width()); + + emit signalViewChanged(); +} + +void Sidebar::expand() +{ + d->minimized = false; + d->stack->show(); + resize(d->bigSize); + setMinimumWidth(d->minSize); + setMaximumWidth(d->maxSize); + emit signalViewChanged(); +} + +bool Sidebar::isExpanded() +{ + return !d->minimized; +} + +bool Sidebar::eventFilter(TQObject *obj, TQEvent *ev) +{ + TQPtrList<KMultiTabBarTab>* pTabs = tabs(); + + for (TQPtrListIterator<KMultiTabBarTab> it(*pTabs); it.current(); ++it) + { + if ( obj == *it ) + { + if ( ev->type() == TQEvent::DragEnter) + { + TQDragEnterEvent *e = static_cast<TQDragEnterEvent *>(ev); + enterEvent(e); + e->accept(true); + return false; + } + else if (ev->type() == TQEvent::DragMove) + { + if (!d->dragSwitchTimer->isActive()) + { + d->dragSwitchTimer->start(800, true); + d->dragSwitchId = (*it)->id(); + } + return false; + } + else if (ev->type() == TQEvent::DragLeave) + { + d->dragSwitchTimer->stop(); + TQDragLeaveEvent *e = static_cast<TQDragLeaveEvent *>(ev); + leaveEvent(e); + return false; + } + else if (ev->type() == TQEvent::Drop) + { + d->dragSwitchTimer->stop(); + TQDropEvent *e = static_cast<TQDropEvent *>(ev); + leaveEvent(e); + return false; + } + else + { + return false; + } + } + } + + // Else, pass the event on to the parent class + return KMultiTabBar::eventFilter(obj, ev); +} + +void Sidebar::slotDragSwitchTimer() +{ + clicked(d->dragSwitchId); +} + +} // namespace Digikam |