Chris@127: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@127: 
Chris@127: /*
Chris@127:     Sonic Visualiser
Chris@127:     An audio file viewer and annotation editor.
Chris@127:     Centre for Digital Music, Queen Mary, University of London.
Chris@182:     This file copyright 2006 Chris Cannam and QMUL.
Chris@127:     
Chris@127:     This program is free software; you can redistribute it and/or
Chris@127:     modify it under the terms of the GNU General Public License as
Chris@127:     published by the Free Software Foundation; either version 2 of the
Chris@127:     License, or (at your option) any later version.  See the file
Chris@127:     COPYING included with this distribution for more information.
Chris@127: */
Chris@127: 
Chris@127: #include "PaneStack.h"
Chris@127: 
Chris@128: #include "Pane.h"
Chris@127: #include "widgets/PropertyStack.h"
Chris@323: #include "widgets/IconLoader.h"
Chris@500: #include "widgets/ClickableLabel.h"
Chris@128: #include "layer/Layer.h"
Chris@128: #include "ViewManager.h"
Chris@867: #include "AlignmentView.h"
Chris@127: 
Chris@127: #include <QApplication>
Chris@127: #include <QHBoxLayout>
Chris@323: #include <QVBoxLayout>
Chris@127: #include <QPainter>
Chris@127: #include <QPalette>
Chris@127: #include <QLabel>
Chris@323: #include <QPushButton>
Chris@127: #include <QSplitter>
Chris@127: #include <QStackedWidget>
Chris@1606: #include <QResizeEvent>
Chris@127: 
Chris@127: #include <iostream>
Chris@127: 
Chris@247: //#define DEBUG_PANE_STACK 1
Chris@247: 
Chris@1526: PaneStack::PaneStack(QWidget *parent,
Chris@1526:                      ViewManager *viewManager,
Chris@1526:                      int options) :
Chris@127:     QFrame(parent),
Chris@1408:     m_currentPane(nullptr),
Chris@1526:     m_options(options),
Chris@1526:     m_splitter(nullptr),
Chris@1526:     m_autoResizeStack(nullptr),
Chris@127:     m_propertyStackStack(new QStackedWidget),
Chris@127:     m_viewManager(viewManager),
Chris@615:     m_propertyStackMinWidth(100),
Chris@1526:     m_layoutStyle(PropertyStackPerPaneLayout)
Chris@127: {
Chris@127:     QHBoxLayout *layout = new QHBoxLayout;
Chris@127:     layout->setMargin(0);
Chris@127:     layout->setSpacing(0);
Chris@127: 
Chris@1526:     if (m_options & int(Option::NoUserResize)) {
Chris@1447: 
Chris@1526:         m_autoResizeStack = new QWidget;
Chris@1526:         m_autoResizeLayout = new QVBoxLayout;
Chris@1526:         m_autoResizeLayout->setMargin(0);
Chris@1526:         m_autoResizeLayout->setSpacing(0);
Chris@1526:         m_autoResizeStack->setLayout(m_autoResizeLayout);
Chris@1526:         layout->addWidget(m_autoResizeStack);
Chris@1526:         layout->setStretchFactor(m_autoResizeStack, 1);
Chris@1526: 
Chris@1526:     } else {
Chris@1526:     
Chris@1526:         m_splitter = new QSplitter;
Chris@1526:         m_splitter->setOrientation(Qt::Vertical);
Chris@1526:         m_splitter->setOpaqueResize(false);
Chris@1526:         layout->addWidget(m_splitter);
Chris@1526:         layout->setStretchFactor(m_splitter, 1);
Chris@1526:     }
Chris@1526: 
Chris@1526:     if (m_options & int(Option::NoPropertyStacks)) {
Chris@1526:         m_layoutStyle = HiddenPropertyStacksLayout;
Chris@1526:     }
Chris@1447:     
Chris@1447:     m_propertyStackStack->hide();
Chris@127:     layout->addWidget(m_propertyStackStack);
Chris@127: 
Chris@127:     setLayout(layout);
Chris@127: }
Chris@127: 
Chris@127: Pane *
Chris@1526: PaneStack::addPane()
Chris@127: {
Chris@127:     QFrame *frame = new QFrame;
Chris@495: 
Chris@495:     QGridLayout *layout = new QGridLayout;
Chris@127:     layout->setMargin(0);
Chris@1447:     layout->setHorizontalSpacing(m_viewManager->scalePixelSize(2));
Chris@1530: 
Chris@1530:     AlignmentView *av = nullptr;
Chris@1530: 
Chris@1526:     if (m_options & int(Option::ShowAlignmentViews)) {
Chris@1447:         layout->setVerticalSpacing(0);
Chris@1530:         av = new AlignmentView(frame);
Chris@1530:         av->setFixedHeight(ViewManager::scalePixelSize(20));
Chris@1530:         av->setViewManager(m_viewManager);
Chris@1530:         av->setVisible(false); // for now
Chris@1530:         layout->addWidget(av, 0, 1);
Chris@1447:     } else {
Chris@1447:         layout->setVerticalSpacing(m_viewManager->scalePixelSize(2));
Chris@1447:     }
Chris@1447: 
Chris@323:     QPushButton *xButton = new QPushButton(frame);
Chris@323:     xButton->setIcon(IconLoader().load("cross"));
Chris@323:     xButton->setFixedSize(QSize(16, 16));
Chris@497:     xButton->setFlat(true);
Chris@1526:     xButton->setVisible(!(m_options & int(Option::NoPaneAccessories)));
Chris@1526:     if (m_panes.empty() && (m_options & int(Option::NoCloseOnFirstPane))) {
Chris@1460:         xButton->setVisible(false);
Chris@1460:     }
Chris@1447:     layout->addWidget(xButton, 1, 0);
Chris@323:     connect(xButton, SIGNAL(clicked()), this, SLOT(paneDeleteButtonClicked()));
Chris@323: 
Chris@500:     ClickableLabel *currentIndicator = new ClickableLabel(frame);
Chris@500:     connect(currentIndicator, SIGNAL(clicked()), this, SLOT(indicatorClicked()));
Chris@1447:     layout->addWidget(currentIndicator, 2, 0);
Chris@1462:     layout->setRowStretch(2, 20);
Chris@1460:     currentIndicator->setMinimumWidth(16);
Chris@1460:     currentIndicator->setMinimumHeight(16);
Chris@127:     currentIndicator->setScaledContents(true);
Chris@1526:     currentIndicator->setVisible(!(m_options & int(Option::NoPaneAccessories)));
Chris@127: 
Chris@908:     sv_frame_t initialCentreFrame = -1;
Chris@855:     if (!m_panes.empty()) {
Chris@855:         initialCentreFrame = m_panes[0].pane->getCentreFrame();
Chris@516:     }
Chris@516: 
Chris@127:     Pane *pane = new Pane(frame);
Chris@516:     if (initialCentreFrame >= 0) {
Chris@516:         pane->setViewManager(m_viewManager, initialCentreFrame);
Chris@516:     } else {
Chris@516:         pane->setViewManager(m_viewManager);
Chris@516:     }
Chris@1447:     layout->addWidget(pane, 1, 1, 2, 1);
Chris@495:     layout->setColumnStretch(1, 20);
Chris@127: 
Chris@1408:     QWidget *properties = nullptr;
Chris@1526:     if (m_options & int(Option::NoPropertyStacks)) {
Chris@1266:         properties = new QFrame();
Chris@127:     } else {
Chris@1266:         properties = new PropertyStack(frame, pane);
Chris@1266:         connect(properties, SIGNAL(propertyContainerSelected(View *, PropertyContainer *)),
Chris@1266:                 this, SLOT(propertyContainerSelected(View *, PropertyContainer *)));
Chris@1582:         connect(properties, SIGNAL(propertyContainerContextMenuRequested(View *, PropertyContainer *, QPoint)),
Chris@1582:                 this, SLOT(propertyContainerContextMenuRequested(View *, PropertyContainer *, QPoint)));
Chris@190:         connect(properties, SIGNAL(viewSelected(View  *)),
Chris@190:                 this, SLOT(viewSelected(View *)));
Chris@189:         connect(properties, SIGNAL(contextHelpChanged(const QString &)),
Chris@189:                 this, SIGNAL(contextHelpChanged(const QString &)));
Chris@127:     }
Chris@127:     if (m_layoutStyle == PropertyStackPerPaneLayout) {
Chris@1447:         layout->addWidget(properties, 1, 2, 2, 1);
Chris@127:     } else {
Chris@127:         properties->setParent(m_propertyStackStack);
Chris@127:         m_propertyStackStack->addWidget(properties);
Chris@127:     }
Chris@606:     layout->setColumnStretch(2, 0);
Chris@127: 
Chris@127:     PaneRec rec;
Chris@127:     rec.pane = pane;
Chris@127:     rec.propertyStack = properties;
Chris@605:     rec.xButton = xButton;
Chris@127:     rec.currentIndicator = currentIndicator;
Chris@127:     rec.frame = frame;
Chris@127:     rec.layout = layout;
Chris@867:     rec.alignmentView = av;
Chris@127:     m_panes.push_back(rec);
Chris@127: 
Chris@127:     frame->setLayout(layout);
Chris@1447: 
Chris@1526:     if (m_options & int(Option::NoUserResize)) {
Chris@1447:         m_autoResizeLayout->addWidget(frame);
Chris@1447:         frame->adjustSize();
Chris@1526:     } else {
Chris@1526:         m_splitter->addWidget(frame);
Chris@1447:     }
Chris@127: 
Chris@127:     connect(pane, SIGNAL(propertyContainerAdded(PropertyContainer *)),
Chris@1266:             this, SLOT(propertyContainerAdded(PropertyContainer *)));
Chris@127:     connect(pane, SIGNAL(propertyContainerRemoved(PropertyContainer *)),
Chris@1266:             this, SLOT(propertyContainerRemoved(PropertyContainer *)));
Chris@127:     connect(pane, SIGNAL(paneInteractedWith()),
Chris@1266:             this, SLOT(paneInteractedWith()));
Chris@127:     connect(pane, SIGNAL(rightButtonMenuRequested(QPoint)),
Chris@127:             this, SLOT(rightButtonMenuRequested(QPoint)));
Chris@312:     connect(pane, SIGNAL(dropAccepted(QStringList)),
Chris@312:             this, SLOT(paneDropAccepted(QStringList)));
Chris@312:     connect(pane, SIGNAL(dropAccepted(QString)),
Chris@312:             this, SLOT(paneDropAccepted(QString)));
Chris@908:     connect(pane, SIGNAL(doubleClickSelectInvoked(sv_frame_t)),
Chris@908:             this, SIGNAL(doubleClickSelectInvoked(sv_frame_t)));
Chris@127: 
Chris@271:     emit paneAdded(pane);
Chris@271:     emit paneAdded();
Chris@271: 
Chris@127:     if (!m_currentPane) {
Chris@1266:         setCurrentPane(pane);
Chris@127:     }
Chris@127: 
Chris@605:     showOrHidePaneAccessories();
Chris@867:     relinkAlignmentViews();
Chris@605: 
Chris@127:     return pane;
Chris@127: }
Chris@127: 
Chris@127: void
Chris@867: PaneStack::relinkAlignmentViews()
Chris@867: {
Chris@1447:     if (m_panes.empty()) return;
Chris@1530:     auto av = m_panes[0].alignmentView;
Chris@1530:     if (av) av->hide();
Chris@1447:     for (int i = 1; in_range_for(m_panes, i); ++i) {
Chris@1530:         av = m_panes[i].alignmentView;
Chris@1530:         if (!av) continue;
Chris@1526:         if (!(m_options & int(Option::ShowAlignmentViews))) {
Chris@1530:             av->hide();
Chris@1526:         } else {
Chris@1615:             av->setAboveView(m_panes[i-1].pane);
Chris@1615:             av->setBelowView(m_panes[i].pane);
Chris@1615:             av->setReferenceView(m_panes[0].pane);
Chris@1530:             av->show();
Chris@1526:         }
Chris@867:     }
Chris@1606: 
Chris@1606:     adjustAlignmentViewHeights(size().height());
Chris@867: }
Chris@867: 
Chris@867: void
Chris@867: PaneStack::unlinkAlignmentViews()
Chris@867: {
Chris@1447:     for (int i = 0; in_range_for(m_panes, i); ++i) {
Chris@1530:         auto av = m_panes[i].alignmentView;
Chris@1530:         if (!av) continue;
Chris@1615:         av->setAboveView(nullptr);
Chris@1615:         av->setBelowView(nullptr);
Chris@1615:         av->setReferenceView(nullptr);
Chris@867:     }
Chris@867: }
Chris@867: 
Chris@867: void
Chris@1606: PaneStack::resizeEvent(QResizeEvent *ev)
Chris@1606: {
Chris@1606:     adjustAlignmentViewHeights(ev->size().height());
Chris@1606: }
Chris@1606: 
Chris@1606: void
Chris@1606: PaneStack::adjustAlignmentViewHeights(int forMyHeight)
Chris@1606: {
Chris@1606:     if (!(m_options & int(Option::ShowAlignmentViews))) return;
Chris@1606:     if (!(m_options & int(Option::NoUserResize))) return;
Chris@1606:     if (!isVisible()) return;
Chris@1614:     if (m_panes.empty()) return;
Chris@1606: 
Chris@1606:     int heightPerPane = forMyHeight / int(m_panes.size());
Chris@1606: 
Chris@1606:     SVCERR << "heightPerPane = " << heightPerPane << " ("
Chris@1606:            << forMyHeight << "/" << m_panes.size() << ")" << endl;
Chris@1606:     
Chris@1606:     int roomForAlignmentView = heightPerPane / 4;
Chris@1606:     int min = ViewManager::scalePixelSize(6);
Chris@1606:     int max = ViewManager::scalePixelSize(25);
Chris@1606:     int alignmentHeight = roomForAlignmentView;
Chris@1606:     if (alignmentHeight < min) {
Chris@1606:         alignmentHeight = min;
Chris@1606:     }
Chris@1606:     if (alignmentHeight > max) {
Chris@1606:         alignmentHeight = max;
Chris@1606:     }
Chris@1606: 
Chris@1606:     SVCERR << "alignmentHeight = " << alignmentHeight << endl;
Chris@1606:     
Chris@1606:     for (int i = 0; in_range_for(m_panes, i); ++i) {
Chris@1606:         auto av = m_panes[i].alignmentView;
Chris@1606:         if (!av) continue;
Chris@1606:         av->setFixedHeight(alignmentHeight);
Chris@1606:     }
Chris@1606: }
Chris@1606: 
Chris@1606: void
Chris@235: PaneStack::setPropertyStackMinWidth(int mw)
Chris@235: {
Chris@235:     for (std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@235:          i != m_panes.end(); ++i) {
Chris@235:         i->propertyStack->setMinimumWidth(mw);
Chris@235:     }
Chris@235:     m_propertyStackMinWidth = mw;
Chris@235: }
Chris@235: 
Chris@235: void
Chris@127: PaneStack::setLayoutStyle(LayoutStyle style)
Chris@127: {
Chris@1526:     if (m_options & int(Option::NoPropertyStacks)) {
Chris@1526:         SVCERR << "NOTE: PaneStack::setLayoutStyle called on PaneStack with NoPropertyStacks option set - this does nothing, its style is always equivalent to HiddenPropertyStacksLayout" << endl;
Chris@1526:         return;
Chris@1526:     }
Chris@1526:     
Chris@127:     if (style == m_layoutStyle) return;
Chris@127:     m_layoutStyle = style;
Chris@127: 
Chris@127:     std::vector<PaneRec>::iterator i;
Chris@127: 
Chris@127:     switch (style) {
Chris@127: 
Chris@1526:     case HiddenPropertyStacksLayout:
Chris@127:     case SinglePropertyStackLayout:
Chris@127:         
Chris@127:         for (i = m_panes.begin(); i != m_panes.end(); ++i) {
Chris@127:             i->layout->removeWidget(i->propertyStack);
Chris@127:             i->propertyStack->setParent(m_propertyStackStack);
Chris@127:             m_propertyStackStack->addWidget(i->propertyStack);
Chris@127:         }
Chris@1526:         m_propertyStackStack->setVisible(style != HiddenPropertyStacksLayout);
Chris@127:         break;
Chris@127: 
Chris@127:     case PropertyStackPerPaneLayout:
Chris@127: 
Chris@127:         for (i = m_panes.begin(); i != m_panes.end(); ++i) {
Chris@127:             m_propertyStackStack->removeWidget(i->propertyStack);
Chris@127:             i->propertyStack->setParent(i->frame);
Chris@1529:             i->layout->addWidget(i->propertyStack, 1, 2, 2, 1);
Chris@127:             i->propertyStack->show();
Chris@127:         }
Chris@127:         m_propertyStackStack->hide();
Chris@127:         break;
Chris@127:     }
Chris@127: }
Chris@127: 
Chris@127: Pane *
Chris@127: PaneStack::getPane(int n)
Chris@127: {
Chris@806:     if (n < (int)m_panes.size()) {
Chris@277:         return m_panes[n].pane;
Chris@277:     } else {
Chris@1408:         return nullptr;
Chris@277:     }
Chris@277: }
Chris@277: 
Chris@277: int
Chris@277: PaneStack::getPaneIndex(Pane *pane)
Chris@277: {
Chris@277:     for (int i = 0; i < getPaneCount(); ++i) {
Chris@277:         if (pane == getPane(i)) {
Chris@277:             return i;
Chris@277:         }
Chris@277:     }
Chris@277:     return -1;
Chris@127: }
Chris@127: 
Chris@127: Pane *
Chris@127: PaneStack::getHiddenPane(int n)
Chris@127: {
Chris@127:     return m_hiddenPanes[n].pane;
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::deletePane(Pane *pane)
Chris@127: {
Chris@1362: #ifdef DEBUG_PANE_STACK
Chris@1362:     SVCERR << "PaneStack::deletePane(" << pane << ")" << endl;
Chris@1362: #endif
Chris@729: 
Chris@127:     std::vector<PaneRec>::iterator i;
Chris@127:     bool found = false;
Chris@127: 
Chris@1408:     QWidget *stack = nullptr;
Chris@729: 
Chris@127:     for (i = m_panes.begin(); i != m_panes.end(); ++i) {
Chris@1266:         if (i->pane == pane) {
Chris@729:             stack = i->propertyStack;
Chris@1266:             m_panes.erase(i);
Chris@1266:             found = true;
Chris@1266:             break;
Chris@1266:         }
Chris@127:     }
Chris@127: 
Chris@127:     if (!found) {
Chris@127: 
Chris@1266:         for (i = m_hiddenPanes.begin(); i != m_hiddenPanes.end(); ++i) {
Chris@1266:             if (i->pane == pane) {
Chris@729:                 stack = i->propertyStack;
Chris@1266:                 m_hiddenPanes.erase(i);
Chris@1266:                 found = true;
Chris@1266:                 break;
Chris@1266:             }
Chris@1266:         }
Chris@127: 
Chris@1266:         if (!found) {
Chris@1266:             cerr << "WARNING: PaneStack::deletePane(" << pane << "): Pane not found in visible or hidden panes, not deleting" << endl;
Chris@1266:             return;
Chris@1266:         }
Chris@127:     }
Chris@127: 
Chris@271:     emit paneAboutToBeDeleted(pane);
Chris@867:     unlinkAlignmentViews();
Chris@271: 
Chris@1362: #ifdef DEBUG_PANE_STACK
Chris@1362:     SVCERR << "PaneStack::deletePane: about to delete parent " << pane->parent() << " of pane " << pane << endl;
Chris@1362: #endif
Chris@729: 
Chris@729:     // The property stack associated with the parent was initially
Chris@729:     // created with the same parent as it, so it would be deleted when
Chris@729:     // we delete the pane's parent in a moment -- but it may have been
Chris@729:     // reparented depending on the layout. We'd better delete it
Chris@729:     // separately first. (This fixes a crash on opening a new layer
Chris@729:     // with a new unit type in it, when a long-defunct property box
Chris@729:     // could be signalled from the unit database to tell it that a new
Chris@729:     // unit had appeared.)
Chris@729:     delete stack;
Chris@729: 
Chris@127:     delete pane->parent();
Chris@127: 
Chris@127:     if (m_currentPane == pane) {
Chris@1266:         if (m_panes.size() > 0) {
Chris@127:             setCurrentPane(m_panes[0].pane);
Chris@1266:         } else {
Chris@1408:             setCurrentPane(nullptr);
Chris@1266:         }
Chris@127:     }
Chris@271: 
Chris@605:     showOrHidePaneAccessories();
Chris@867:     relinkAlignmentViews();
Chris@605: 
Chris@271:     emit paneDeleted();
Chris@127: }
Chris@127: 
Chris@605: void
Chris@605: PaneStack::showOrHidePaneAccessories()
Chris@605: {
Chris@1362: #ifdef DEBUG_PANE_STACK
Chris@1362:     SVCERR << "PaneStack::showOrHidePaneAccessories: count == " << getPaneCount() << endl;
Chris@1362: #endif
Chris@605: 
Chris@605:     bool multi = (getPaneCount() > 1);
Chris@605:     for (std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@605:          i != m_panes.end(); ++i) {
Chris@1526:         bool visible = (multi && !(m_options & int(Option::NoPaneAccessories)));
Chris@1460:         bool xvisible = visible;
Chris@1460:         if (i == m_panes.begin()) {
Chris@1526:             if (m_options & int(Option::NoCloseOnFirstPane)) {
Chris@1460:                 xvisible = false;
Chris@1460:             }
Chris@1460:         }
Chris@1460:         i->xButton->setVisible(xvisible);
Chris@1460:         i->currentIndicator->setVisible(visible);
Chris@605:     }
Chris@605: }
Chris@605: 
Chris@127: int
Chris@127: PaneStack::getPaneCount() const
Chris@127: {
Chris@908:     return int(m_panes.size());
Chris@127: }
Chris@127: 
Chris@127: int
Chris@127: PaneStack::getHiddenPaneCount() const
Chris@127: {
Chris@908:     return int(m_hiddenPanes.size());
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::hidePane(Pane *pane)
Chris@127: {
Chris@127:     std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@127: 
Chris@127:     while (i != m_panes.end()) {
Chris@1266:         if (i->pane == pane) {
Chris@127: 
Chris@1266:             m_hiddenPanes.push_back(*i);
Chris@1266:             m_panes.erase(i);
Chris@127: 
Chris@1266:             QWidget *pw = dynamic_cast<QWidget *>(pane->parent());
Chris@1266:             if (pw) pw->hide();
Chris@127: 
Chris@1266:             if (m_currentPane == pane) {
Chris@1266:                 if (m_panes.size() > 0) {
Chris@1266:                     setCurrentPane(m_panes[0].pane);
Chris@1266:                 } else {
Chris@1408:                     setCurrentPane(nullptr);
Chris@1266:                 }
Chris@1266:             }
Chris@1266:             
Chris@605:             showOrHidePaneAccessories();
Chris@605:             emit paneHidden(pane);
Chris@605:             emit paneHidden();
cannam@1444:             relinkAlignmentViews();
Chris@1266:             return;
Chris@1266:         }
Chris@1266:         ++i;
Chris@127:     }
Chris@127: 
Chris@1362:     SVCERR << "WARNING: PaneStack::hidePane(" << pane << "): Pane not found in visible panes" << endl;
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::showPane(Pane *pane)
Chris@127: {
Chris@127:     std::vector<PaneRec>::iterator i = m_hiddenPanes.begin();
Chris@127: 
Chris@127:     while (i != m_hiddenPanes.end()) {
Chris@1266:         if (i->pane == pane) {
Chris@1266:             m_panes.push_back(*i);
Chris@1266:             m_hiddenPanes.erase(i);
Chris@1266:             QWidget *pw = dynamic_cast<QWidget *>(pane->parent());
Chris@1266:             if (pw) pw->show();
Chris@127: 
Chris@1266:             //!!! update current pane
Chris@127: 
Chris@605:             showOrHidePaneAccessories();
cannam@1444:             relinkAlignmentViews();
Chris@605: 
Chris@1266:             return;
Chris@1266:         }
Chris@1266:         ++i;
Chris@127:     }
Chris@127: 
Chris@1362:     SVCERR << "WARNING: PaneStack::showPane(" << pane << "): Pane not found in hidden panes" << endl;
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::setCurrentPane(Pane *pane) // may be null
Chris@127: {
Chris@127:     if (m_currentPane == pane) return;
Chris@127:     
Chris@127:     std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@127: 
Chris@127:     // We used to do this by setting the foreground and background
Chris@127:     // role, but it seems the background role is ignored and the
Chris@127:     // background drawn transparent in Qt 4.1 -- I can't quite see why
Chris@127:     
Chris@127:     QPixmap selectedMap(1, 1);
Chris@127:     selectedMap.fill(QApplication::palette().color(QPalette::Foreground));
Chris@127:     
Chris@127:     QPixmap unselectedMap(1, 1);
Chris@127:     unselectedMap.fill(QApplication::palette().color(QPalette::Background));
Chris@127: 
Chris@127:     bool found = false;
Chris@127: 
Chris@127:     while (i != m_panes.end()) {
Chris@1266:         if (i->pane == pane) {
Chris@1266:             i->currentIndicator->setPixmap(selectedMap);
Chris@179:             if (m_layoutStyle != PropertyStackPerPaneLayout) {
Chris@127:                 m_propertyStackStack->setCurrentWidget(i->propertyStack);
Chris@127:             }
Chris@1266:             found = true;
Chris@1266:         } else {
Chris@1266:             i->currentIndicator->setPixmap(unselectedMap);
Chris@1266:         }
Chris@1266:         ++i;
Chris@127:     }
Chris@127: 
Chris@1408:     if (found || pane == nullptr) {
Chris@1266:         m_currentPane = pane;
Chris@1266:         emit currentPaneChanged(m_currentPane);
Chris@127:     } else {
Chris@1362:         SVCERR << "WARNING: PaneStack::setCurrentPane(" << pane << "): pane is not a visible pane in this stack" << endl;
Chris@127:     }
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::setCurrentLayer(Pane *pane, Layer *layer) // may be null
Chris@127: {
Chris@127:     setCurrentPane(pane);
Chris@127: 
Chris@127:     if (m_currentPane) {
Chris@127: 
Chris@1266:         std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@127: 
Chris@1266:         while (i != m_panes.end()) {
Chris@127: 
Chris@1266:             if (i->pane == pane) {
Chris@1266:                 PropertyStack *stack = dynamic_cast<PropertyStack *>
Chris@1266:                     (i->propertyStack);
Chris@1266:                 if (stack) {
Chris@1266:                     if (stack->containsContainer(layer)) {
Chris@1266:                         stack->setCurrentIndex(stack->getContainerIndex(layer));
Chris@1266:                         emit currentLayerChanged(pane, layer);
Chris@1266:                     } else {
Chris@1266:                         stack->setCurrentIndex
Chris@1266:                             (stack->getContainerIndex
Chris@1266:                              (pane->getPropertyContainer(0)));
Chris@1408:                         emit currentLayerChanged(pane, nullptr);
Chris@1266:                     }
Chris@1266:                 }
Chris@1266:                 break;
Chris@1266:             }
Chris@1266:             ++i;
Chris@1266:         }
Chris@127:     }
Chris@127: }
Chris@127: 
Chris@127: Pane *
Chris@127: PaneStack::getCurrentPane() 
Chris@127: {
Chris@127:     return m_currentPane;
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::propertyContainerAdded(PropertyContainer *)
Chris@127: {
Chris@127:     sizePropertyStacks();
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::propertyContainerRemoved(PropertyContainer *)
Chris@127: {
Chris@127:     sizePropertyStacks();
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::propertyContainerSelected(View *client, PropertyContainer *pc)
Chris@127: {
Chris@127:     std::vector<PaneRec>::iterator i = m_panes.begin();
Chris@127: 
Chris@127:     while (i != m_panes.end()) {
Chris@1266:         PropertyStack *stack = dynamic_cast<PropertyStack *>(i->propertyStack);
Chris@1266:         if (stack &&
Chris@1266:             stack->getClient() == client &&
Chris@1266:             stack->containsContainer(pc)) {
Chris@1266:             setCurrentPane(i->pane);
Chris@1266:             break;
Chris@1266:         }
Chris@1266:         ++i;
Chris@127:     }
Chris@127: 
Chris@127:     Layer *layer = dynamic_cast<Layer *>(pc);
Chris@127:     if (layer) emit currentLayerChanged(m_currentPane, layer);
Chris@1408:     else emit currentLayerChanged(m_currentPane, nullptr);
Chris@127: }
Chris@127: 
Chris@127: void
Chris@1582: PaneStack::propertyContainerContextMenuRequested(View *client,
Chris@1582:                                                  PropertyContainer *pc,
Chris@1582:                                                  QPoint pos)
Chris@1582: {
Chris@1582:     Pane *pane = dynamic_cast<Pane *>(client);
Chris@1582:     Layer *layer = dynamic_cast<Layer *>(pc);
Chris@1582: 
Chris@1582:     if (pane) {
Chris@1582:         if (layer) {
Chris@1582:             emit layerPropertiesRightButtonMenuRequested(pane, layer, pos);
Chris@1582:         } else {
Chris@1582:             emit panePropertiesRightButtonMenuRequested(pane, pos);
Chris@1582:         }
Chris@1582:     }
Chris@1582: }
Chris@1582: 
Chris@1582: void
Chris@190: PaneStack::viewSelected(View *v)
Chris@190: {
Chris@190:     Pane *p = dynamic_cast<Pane *>(v);
Chris@190:     if (p) setCurrentPane(p);
Chris@190: }
Chris@190: 
Chris@190: void
Chris@127: PaneStack::paneInteractedWith()
Chris@127: {
Chris@127:     Pane *pane = dynamic_cast<Pane *>(sender());
Chris@127:     if (!pane) return;
Chris@127:     setCurrentPane(pane);
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::rightButtonMenuRequested(QPoint position)
Chris@127: {
Chris@127:     Pane *pane = dynamic_cast<Pane *>(sender());
Chris@127:     if (!pane) return;
Chris@1582:     emit paneRightButtonMenuRequested(pane, position);
Chris@127: }
Chris@127: 
Chris@127: void
Chris@127: PaneStack::sizePropertyStacks()
Chris@127: {
Chris@127:     int maxMinWidth = 0;
Chris@127: 
Chris@235:     if (m_propertyStackMinWidth > 0) maxMinWidth = m_propertyStackMinWidth;
Chris@235: 
Chris@806:     for (int i = 0; i < (int)m_panes.size(); ++i) {
Chris@1266:         if (!m_panes[i].propertyStack) continue;
Chris@247: #ifdef DEBUG_PANE_STACK
Chris@1266:         SVDEBUG << "PaneStack::sizePropertyStacks: " << i << ": min " 
Chris@1266:                   << m_panes[i].propertyStack->minimumSizeHint().width() << ", hint "
Chris@243:                   << m_panes[i].propertyStack->sizeHint().width() << ", current "
Chris@1266:                   << m_panes[i].propertyStack->width() << endl;
Chris@247: #endif
Chris@127: 
Chris@1266:         if (m_panes[i].propertyStack->sizeHint().width() > maxMinWidth) {
Chris@1266:             maxMinWidth = m_panes[i].propertyStack->sizeHint().width();
Chris@1266:         }
Chris@127:     }
Chris@127: 
Chris@247: #ifdef DEBUG_PANE_STACK
Chris@587:     SVDEBUG << "PaneStack::sizePropertyStacks: max min width " << maxMinWidth << endl;
Chris@247: #endif
Chris@127: 
Chris@127:     int setWidth = maxMinWidth;
Chris@127: 
Chris@127:     m_propertyStackStack->setMaximumWidth(setWidth + 10);
Chris@127: 
Chris@806:     for (int i = 0; i < (int)m_panes.size(); ++i) {
Chris@1266:         if (!m_panes[i].propertyStack) continue;
Chris@1266:         m_panes[i].propertyStack->setMinimumWidth(setWidth);
Chris@127:     }
Chris@180: 
Chris@363:     emit propertyStacksResized(setWidth);
Chris@180:     emit propertyStacksResized();
Chris@127: }
Chris@127:     
Chris@312: void
Chris@312: PaneStack::paneDropAccepted(QStringList uriList)
Chris@312: {
Chris@312:     Pane *pane = dynamic_cast<Pane *>(sender());
Chris@312:     emit dropAccepted(pane, uriList);
Chris@312: }
Chris@312:     
Chris@312: void
Chris@312: PaneStack::paneDropAccepted(QString text)
Chris@312: {
Chris@312:     Pane *pane = dynamic_cast<Pane *>(sender());
Chris@312:     emit dropAccepted(pane, text);
Chris@312: }
Chris@127: 
Chris@320: void
Chris@323: PaneStack::paneDeleteButtonClicked()
Chris@323: {
Chris@323:     QObject *s = sender();
Chris@806:     for (int i = 0; i < (int)m_panes.size(); ++i) {
Chris@1266:         if (m_panes[i].xButton == s) {
Chris@605:             emit paneDeleteButtonClicked(m_panes[i].pane);
Chris@323:         }
Chris@323:     }
Chris@323: }
Chris@323: 
Chris@323: void
Chris@500: PaneStack::indicatorClicked()
Chris@500: {
Chris@500:     QObject *s = sender();
Chris@500: 
Chris@806:     for (int i = 0; i < (int)m_panes.size(); ++i) {
Chris@1266:         if (m_panes[i].currentIndicator == s) {
Chris@500:             setCurrentPane(m_panes[i].pane);
Chris@500:             return;
Chris@500:         }
Chris@500:     }
Chris@500: }
Chris@500: 
Chris@500: void
Chris@320: PaneStack::sizePanesEqually()
Chris@320: {
Chris@1526:     if (m_options & int(Option::NoUserResize)) {
Chris@1447:         return;
Chris@1447:     }
Chris@1447:     
Chris@320:     QList<int> sizes = m_splitter->sizes();
Chris@320:     if (sizes.empty()) return;
Chris@320: 
Chris@320:     int count = sizes.size();
Chris@320: 
Chris@687:     int fixed = 0, variable = 0, total = 0;
Chris@687:     int varicount = 0;
Chris@687: 
Chris@320:     for (int i = 0; i < count; ++i) {
Chris@320:         total += sizes[i];
Chris@320:     }
Chris@320: 
Chris@687:     variable = total;
Chris@687: 
Chris@687:     for (int i = 0; i < count; ++i) {
Chris@687:         int minh = m_panes[i].pane->minimumSize().height();
Chris@687:         if (minh == m_panes[i].pane->maximumSize().height()) {
Chris@687:             fixed += minh;
Chris@687:             variable -= minh;
Chris@687:         } else {
Chris@687:             varicount++;
Chris@687:         }
Chris@687:     }
Chris@687: 
Chris@320:     if (total == 0) return;
Chris@320: 
Chris@320:     sizes.clear();
Chris@320: 
Chris@687:     int each = (varicount > 0 ? (variable / varicount) : 0);
Chris@320:     int remaining = total;
Chris@320: 
Chris@320:     for (int i = 0; i < count; ++i) {
Chris@320:         if (i == count - 1) {
Chris@320:             sizes.push_back(remaining);
Chris@320:         } else {
Chris@687:             int minh = m_panes[i].pane->minimumSize().height();
Chris@687:             if (minh == m_panes[i].pane->maximumSize().height()) {
Chris@687:                 sizes.push_back(minh);
Chris@687:                 remaining -= minh;
Chris@687:             } else {
Chris@687:                 sizes.push_back(each);
Chris@687:                 remaining -= each;
Chris@687:             }
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320: /*
Chris@682:     cerr << "sizes: ";
Chris@320:     for (int i = 0; i < sizes.size(); ++i) {
Chris@682:         cerr << sizes[i] << " ";
Chris@320:     }
Chris@682:     cerr << endl;
Chris@320: */
Chris@320: 
Chris@320:     m_splitter->setSizes(sizes);
Chris@320: }
Chris@320: