lbajardsilogic@0: 
lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam and QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #include "PaneStack.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "Pane.h"
lbajardsilogic@0: #include "widgets/PropertyStack.h"
lbajardsilogic@0: #include "layer/Layer.h"
lbajardsilogic@0: #include "ViewManager.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QApplication>
lbajardsilogic@0: #include <QHBoxLayout>
lbajardsilogic@0: #include <QPainter>
lbajardsilogic@0: #include <QPalette>
lbajardsilogic@0: #include <QLabel>
lbajardsilogic@0: #include <QSplitter>
lbajardsilogic@0: #include <QStackedWidget>
benoitrigolleau@102: #include <QStyle>
lbajardsilogic@0: 
lbajardsilogic@0: #include <iostream>
lbajardsilogic@0: 
lbajardsilogic@0: //#define DEBUG_PANE_STACK 1
lbajardsilogic@0: 
lbajardsilogic@0: PaneStack::PaneStack(QWidget *parent, ViewManager *viewManager) :
lbajardsilogic@0:     QFrame(parent),
lbajardsilogic@0:     m_currentPane(0),
lbajardsilogic@0:     m_splitter(new QSplitter),
lbajardsilogic@0:     m_propertyStackStack(new QStackedWidget),
lbajardsilogic@204:     m_viewManager(viewManager)
lbajardsilogic@0: {
lbajardsilogic@0:     QHBoxLayout *layout = new QHBoxLayout;
lbajardsilogic@0:     layout->setMargin(0);
lbajardsilogic@0:     layout->setSpacing(0);
lbajardsilogic@0: 
lbajardsilogic@0:     m_splitter->setOrientation(Qt::Vertical);
lbajardsilogic@0:     m_splitter->setOpaqueResize(false);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(m_splitter);
lbajardsilogic@0:     layout->setStretchFactor(m_splitter, 1);
lbajardsilogic@0:     layout->addWidget(m_propertyStackStack);
lbajardsilogic@0:     m_propertyStackStack->hide();
lbajardsilogic@0: 
lbajardsilogic@0:     setLayout(layout);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Pane *
lbajardsilogic@0: PaneStack::addPane(bool suppressPropertyBox)
lbajardsilogic@0: {
lbajardsilogic@0:     QFrame *frame = new QFrame;
lbajardsilogic@0:     QHBoxLayout *layout = new QHBoxLayout;
lbajardsilogic@0:     layout->setMargin(0);
lbajardsilogic@0:     layout->setSpacing(2);
lbajardsilogic@0: 
lbajardsilogic@0:     QLabel *currentIndicator = new QLabel(frame);
lbajardsilogic@0:     currentIndicator->setFixedWidth(QPainter(this).fontMetrics().width("x"));
lbajardsilogic@0:     layout->addWidget(currentIndicator);
lbajardsilogic@0:     layout->setStretchFactor(currentIndicator, 1);
lbajardsilogic@0:     currentIndicator->setScaledContents(true);
lbajardsilogic@0: 
lbajardsilogic@0:     Pane *pane = new Pane(frame);
lbajardsilogic@0:     pane->setViewManager(m_viewManager);
lbajardsilogic@0:     layout->addWidget(pane);
lbajardsilogic@0:     layout->setStretchFactor(pane, 10);
lbajardsilogic@0: 
lbajardsilogic@0:     PaneRec rec;
lbajardsilogic@0:     rec.pane = pane;
lbajardsilogic@13: 	rec.propertyStack = 0;
lbajardsilogic@0:     rec.currentIndicator = currentIndicator;
lbajardsilogic@0:     rec.frame = frame;
lbajardsilogic@0:     rec.layout = layout;
lbajardsilogic@0:     m_panes.push_back(rec);
lbajardsilogic@0: 
benoitrigolleau@102: 	//for the panel's border
benoitrigolleau@102: 	frame->setFrameStyle(QFrame::Box | QFrame::Raised);
benoitrigolleau@102: 	frame->setLineWidth(0);
benoitrigolleau@102:     
benoitrigolleau@102: 	frame->setLayout(layout);
lbajardsilogic@0:     m_splitter->addWidget(frame);
lbajardsilogic@0: 
lbajardsilogic@101: 	resizePane();
lbajardsilogic@101: 
lbajardsilogic@0:     connect(pane, SIGNAL(propertyContainerAdded(PropertyContainer *)),
lbajardsilogic@0: 	    this, SLOT(propertyContainerAdded(PropertyContainer *)));
lbajardsilogic@0:     connect(pane, SIGNAL(propertyContainerRemoved(PropertyContainer *)),
lbajardsilogic@0: 	    this, SLOT(propertyContainerRemoved(PropertyContainer *)));
lbajardsilogic@0:     connect(pane, SIGNAL(paneInteractedWith()),
lbajardsilogic@0: 	    this, SLOT(paneInteractedWith()));
lbajardsilogic@0:     connect(pane, SIGNAL(rightButtonMenuRequested(QPoint)),
lbajardsilogic@0:             this, SLOT(rightButtonMenuRequested(QPoint)));
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_currentPane) {
lbajardsilogic@0: 	setCurrentPane(pane);
lbajardsilogic@0:     }
benoitrigolleau@66: 	emit newPaneAdded(pane);
lbajardsilogic@0:     return pane;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::setPropertyStackMinWidth(int mw)
lbajardsilogic@0: {
lbajardsilogic@0:     for (std::vector<PaneRec>::iterator i = m_panes.begin();
lbajardsilogic@0:          i != m_panes.end(); ++i) {
lbajardsilogic@0:         i->propertyStack->setMinimumWidth(mw);
lbajardsilogic@0:     }
lbajardsilogic@0:     m_propertyStackMinWidth = mw;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Pane *
lbajardsilogic@0: PaneStack::getPane(int n)
lbajardsilogic@0: {
lbajardsilogic@0:     return m_panes[n].pane;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Pane *
lbajardsilogic@0: PaneStack::getHiddenPane(int n)
lbajardsilogic@0: {
lbajardsilogic@0:     return m_hiddenPanes[n].pane;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::deletePane(Pane *pane)
lbajardsilogic@0: {
lbajardsilogic@0:     std::vector<PaneRec>::iterator i;
lbajardsilogic@0:     bool found = false;
lbajardsilogic@0: 
lbajardsilogic@0:     for (i = m_panes.begin(); i != m_panes.end(); ++i) {
lbajardsilogic@0: 	if (i->pane == pane) {
lbajardsilogic@0: 	    m_panes.erase(i);
lbajardsilogic@0: 	    found = true;
lbajardsilogic@0: 	    break;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (!found) {
lbajardsilogic@0: 
lbajardsilogic@0: 	for (i = m_hiddenPanes.begin(); i != m_hiddenPanes.end(); ++i) {
lbajardsilogic@0: 	    if (i->pane == pane) {
lbajardsilogic@0: 		m_hiddenPanes.erase(i);
lbajardsilogic@0: 		found = true;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	if (!found) {
lbajardsilogic@0: 	    std::cerr << "WARNING: PaneStack::deletePane(" << pane << "): Pane not found in visible or hidden panes, not deleting" << std::endl;
lbajardsilogic@0: 	    return;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     delete pane->parent();
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_currentPane == pane) {
lbajardsilogic@0: 	if (m_panes.size() > 0) {
lbajardsilogic@0:             setCurrentPane(m_panes[0].pane);
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    setCurrentPane(0);
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
benoitrigolleau@66: 	emit paneDeleted(pane);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: int
lbajardsilogic@0: PaneStack::getPaneCount() const
lbajardsilogic@0: {
lbajardsilogic@0:     return m_panes.size();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: int
lbajardsilogic@0: PaneStack::getHiddenPaneCount() const
lbajardsilogic@0: {
lbajardsilogic@0:     return m_hiddenPanes.size();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::hidePane(Pane *pane)
lbajardsilogic@0: {
lbajardsilogic@0:     std::vector<PaneRec>::iterator i = m_panes.begin();
lbajardsilogic@0: 
lbajardsilogic@0:     while (i != m_panes.end()) {
lbajardsilogic@0: 	if (i->pane == pane) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    m_hiddenPanes.push_back(*i);
lbajardsilogic@0: 	    m_panes.erase(i);
lbajardsilogic@0: 
lbajardsilogic@0: 	    QWidget *pw = dynamic_cast<QWidget *>(pane->parent());
lbajardsilogic@0: 	    if (pw) pw->hide();
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (m_currentPane == pane) {
lbajardsilogic@0: 		if (m_panes.size() > 0) {
lbajardsilogic@0: 		    setCurrentPane(m_panes[0].pane);
lbajardsilogic@0: 		} else {
lbajardsilogic@0: 		    setCurrentPane(0);
lbajardsilogic@0: 		}
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	    
lbajardsilogic@0: 	    return;
lbajardsilogic@0: 	}
lbajardsilogic@0: 	++i;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     std::cerr << "WARNING: PaneStack::hidePane(" << pane << "): Pane not found in visible panes" << std::endl;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::showPane(Pane *pane)
lbajardsilogic@0: {
lbajardsilogic@0:     std::vector<PaneRec>::iterator i = m_hiddenPanes.begin();
lbajardsilogic@0: 
lbajardsilogic@0:     while (i != m_hiddenPanes.end()) {
lbajardsilogic@0: 	if (i->pane == pane) {
lbajardsilogic@0: 	    m_panes.push_back(*i);
lbajardsilogic@0: 	    m_hiddenPanes.erase(i);
lbajardsilogic@0: 	    QWidget *pw = dynamic_cast<QWidget *>(pane->parent());
lbajardsilogic@0: 	    if (pw) pw->show();
lbajardsilogic@0: 
lbajardsilogic@0: 	    //!!! update current pane
lbajardsilogic@0: 
lbajardsilogic@0: 	    return;
lbajardsilogic@0: 	}
lbajardsilogic@0: 	++i;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     std::cerr << "WARNING: PaneStack::showPane(" << pane << "): Pane not found in hidden panes" << std::endl;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::setCurrentPane(Pane *pane) // may be null
lbajardsilogic@0: {
lbajardsilogic@0:     if (m_currentPane == pane) return;
lbajardsilogic@0:     
lbajardsilogic@0:     std::vector<PaneRec>::iterator i = m_panes.begin();
lbajardsilogic@0: 
lbajardsilogic@0:     // We used to do this by setting the foreground and background
lbajardsilogic@0:     // role, but it seems the background role is ignored and the
lbajardsilogic@0:     // background drawn transparent in Qt 4.1 -- I can't quite see why
lbajardsilogic@0:     
lbajardsilogic@0:     QPixmap selectedMap(1, 1);
lbajardsilogic@0:     selectedMap.fill(QApplication::palette().color(QPalette::Foreground));
lbajardsilogic@0:     
lbajardsilogic@0:     QPixmap unselectedMap(1, 1);
lbajardsilogic@0:     unselectedMap.fill(QApplication::palette().color(QPalette::Background));
lbajardsilogic@0: 
lbajardsilogic@0:     bool found = false;
lbajardsilogic@0: 
lbajardsilogic@0:     while (i != m_panes.end()) {
lbajardsilogic@0: 	if (i->pane == pane) {
lbajardsilogic@0: 	    i->currentIndicator->setPixmap(selectedMap);
lbajardsilogic@204:         m_propertyStackStack->setCurrentWidget(i->propertyStack);
lbajardsilogic@204:         found = true;
benoitrigolleau@102: 
benoitrigolleau@102: 		QFrame* frame = (QFrame*) (i->pane->parentWidget());
benoitrigolleau@102: 		if(frame!=0){
benoitrigolleau@102: 			frame->setLineWidth(2);
benoitrigolleau@102: 		}
benoitrigolleau@102: 
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    i->currentIndicator->setPixmap(unselectedMap);
benoitrigolleau@102: 		QFrame* frame = (QFrame*) (i->pane->parentWidget());
benoitrigolleau@102: 		if(frame!=0){
benoitrigolleau@102: 			frame->setLineWidth(0);
benoitrigolleau@102: 		}
lbajardsilogic@0: 	}
lbajardsilogic@0: 	++i;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (found || pane == 0) {
benoitrigolleau@102: 		m_currentPane = pane;
benoitrigolleau@102: 		emit currentPaneChanged(m_currentPane);
lbajardsilogic@0:     } else {
lbajardsilogic@0: 	std::cerr << "WARNING: PaneStack::setCurrentPane(" << pane << "): pane is not a visible pane in this stack" << std::endl;
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::setCurrentLayer(Pane *pane, Layer *layer) // may be null
lbajardsilogic@0: {
lbajardsilogic@0:     setCurrentPane(pane);
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_currentPane) {
lbajardsilogic@0: 
lbajardsilogic@0: 	std::vector<PaneRec>::iterator i = m_panes.begin();
lbajardsilogic@0: 
lbajardsilogic@0: 	while (i != m_panes.end()) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (i->pane == pane) {
lbajardsilogic@0: 		PropertyStack *stack = dynamic_cast<PropertyStack *>
lbajardsilogic@0: 		    (i->propertyStack);
lbajardsilogic@0: 		if (stack) {
lbajardsilogic@0: 		    if (stack->containsContainer(layer)) {
lbajardsilogic@0: 			stack->setCurrentIndex(stack->getContainerIndex(layer));
lbajardsilogic@0: 			emit currentLayerChanged(pane, layer);
lbajardsilogic@0: 		    } else {
lbajardsilogic@0: 			stack->setCurrentIndex
lbajardsilogic@0: 			    (stack->getContainerIndex
lbajardsilogic@0: 			     (pane->getPropertyContainer(0)));
lbajardsilogic@0: 			emit currentLayerChanged(pane, 0);
lbajardsilogic@0: 		    }
lbajardsilogic@0: 		}
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	    ++i;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Pane *
lbajardsilogic@0: PaneStack::getCurrentPane() 
lbajardsilogic@0: {
lbajardsilogic@0:     return m_currentPane;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::propertyContainerAdded(PropertyContainer *)
lbajardsilogic@0: {
lbajardsilogic@0:     sizePropertyStacks();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::propertyContainerRemoved(PropertyContainer *)
lbajardsilogic@0: {
lbajardsilogic@0:     sizePropertyStacks();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::propertyContainerSelected(View *client, PropertyContainer *pc)
lbajardsilogic@0: {
lbajardsilogic@0:     std::vector<PaneRec>::iterator i = m_panes.begin();
lbajardsilogic@0: 
lbajardsilogic@0:     while (i != m_panes.end()) {
lbajardsilogic@0: 	PropertyStack *stack = dynamic_cast<PropertyStack *>(i->propertyStack);
lbajardsilogic@0: 	if (stack &&
lbajardsilogic@0: 	    stack->getClient() == client &&
lbajardsilogic@0: 	    stack->containsContainer(pc)) {
lbajardsilogic@0: 	    setCurrentPane(i->pane);
lbajardsilogic@0: 	    break;
lbajardsilogic@0: 	}
lbajardsilogic@0: 	++i;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     Layer *layer = dynamic_cast<Layer *>(pc);
lbajardsilogic@0:     if (layer) emit currentLayerChanged(m_currentPane, layer);
lbajardsilogic@0:     else emit currentLayerChanged(m_currentPane, 0);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::viewSelected(View *v)
lbajardsilogic@0: {
lbajardsilogic@0:     Pane *p = dynamic_cast<Pane *>(v);
lbajardsilogic@0:     if (p) setCurrentPane(p);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::paneInteractedWith()
lbajardsilogic@0: {
lbajardsilogic@0:     Pane *pane = dynamic_cast<Pane *>(sender());
lbajardsilogic@0:     if (!pane) return;
lbajardsilogic@0:     setCurrentPane(pane);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::rightButtonMenuRequested(QPoint position)
lbajardsilogic@0: {
lbajardsilogic@0:     Pane *pane = dynamic_cast<Pane *>(sender());
lbajardsilogic@0:     if (!pane) return;
lbajardsilogic@0:     emit rightButtonMenuRequested(pane, position);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PaneStack::sizePropertyStacks()
lbajardsilogic@0: {
lbajardsilogic@0:     int maxMinWidth = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_propertyStackMinWidth > 0) maxMinWidth = m_propertyStackMinWidth;
lbajardsilogic@0: 
lbajardsilogic@0:     for (size_t i = 0; i < m_panes.size(); ++i) {
lbajardsilogic@0: 	if (!m_panes[i].propertyStack) continue;
lbajardsilogic@0: #ifdef DEBUG_PANE_STACK
lbajardsilogic@0: 	std::cerr << "PaneStack::sizePropertyStacks: " << i << ": min " 
lbajardsilogic@0: 		  << m_panes[i].propertyStack->minimumSizeHint().width() << ", hint "
lbajardsilogic@0:                   << m_panes[i].propertyStack->sizeHint().width() << ", current "
lbajardsilogic@0: 		  << m_panes[i].propertyStack->width() << std::endl;
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: 	if (m_panes[i].propertyStack->sizeHint().width() > maxMinWidth) {
lbajardsilogic@0: 	    maxMinWidth = m_panes[i].propertyStack->sizeHint().width();
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef DEBUG_PANE_STACK
lbajardsilogic@0:     std::cerr << "PaneStack::sizePropertyStacks: max min width " << maxMinWidth << std::endl;
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: //#ifdef Q_WS_MAC
lbajardsilogic@0:     // This is necessary to compensate for cb->setMinimumSize(10, 10)
lbajardsilogic@0:     // in PropertyBox in the Mac version (to avoid a mysterious crash)
lbajardsilogic@0:     // ... no longer necessary with qt4.2
lbajardsilogic@0: //    int setWidth = maxMinWidth * 3 / 2;
lbajardsilogic@0: //#else
lbajardsilogic@0:     int setWidth = maxMinWidth;
lbajardsilogic@0: //#endif
lbajardsilogic@0: 
lbajardsilogic@0:     m_propertyStackStack->setMaximumWidth(setWidth + 10);
lbajardsilogic@0: 
lbajardsilogic@0:     for (size_t i = 0; i < m_panes.size(); ++i) {
lbajardsilogic@0: 	if (!m_panes[i].propertyStack) continue;
lbajardsilogic@0: 	m_panes[i].propertyStack->setMinimumWidth(setWidth);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     emit propertyStacksResized();
lbajardsilogic@0: }
lbajardsilogic@0:     
lbajardsilogic@101: void PaneStack::resizePane()
lbajardsilogic@101: {
lbajardsilogic@101: 	int totalSize = m_splitter->size().height();
lbajardsilogic@101: 	int nbPane = getPaneCount();
lbajardsilogic@0: 
lbajardsilogic@101: 	if (nbPane == 0)
lbajardsilogic@101: 		return;
lbajardsilogic@101: 
lbajardsilogic@101: 	QList<int> newSizes;
lbajardsilogic@101: 
lbajardsilogic@101: 	for (int i = 0; i< nbPane; i++)
lbajardsilogic@101: 	{
lbajardsilogic@101: 		newSizes.push_back(totalSize/nbPane);
lbajardsilogic@101: 	}
lbajardsilogic@101: 
lbajardsilogic@101: 	m_splitter->setSizes(newSizes);
lbajardsilogic@101: }