src/plugins/coreplugin/outputpane.cpp

   1 /**************************************************************************
   2 **
   3 ** This file is part of Qt Creator
   4 **
   5 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
   6 **
   7 ** Contact: Nokia Corporation (info@qt.nokia.com)
   8 **
   9 **
  10 ** GNU Lesser General Public License Usage
  11 **
  12 ** This file may be used under the terms of the GNU Lesser General Public
  13 ** License version 2.1 as published by the Free Software Foundation and
  14 ** appearing in the file LICENSE.LGPL included in the packaging of this file.
  15 ** Please review the following information to ensure the GNU Lesser General
  16 ** Public License version 2.1 requirements will be met:
  17 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  18 **
  19 ** In addition, as a special exception, Nokia gives you certain additional
  20 ** rights. These rights are described in the Nokia Qt LGPL Exception
  21 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  22 **
  23 ** Other Usage
  24 **
  25 ** Alternatively, this file may be used in accordance with the terms and
  26 ** conditions contained in a signed written agreement between you and Nokia.
  27 **
  28 ** If you have questions regarding the use of this file, please contact
  29 ** Nokia at qt-info@nokia.com.
  30 **
  31 **************************************************************************/
  32
  33 #include "outputpane.h"
  34 #include "outputpanemanager.h"
  35
  36 #include "coreconstants.h"
  37 #include "icore.h"
  38 #include "ioutputpane.h"
  39 #include "modemanager.h"
  40
  41 #include <QtGui/QSplitter>
  42 #include <QtGui/QVBoxLayout>
  43
  44 namespace Core {
  45
  46 struct OutputPanePlaceHolderPrivate {
  47     explicit OutputPanePlaceHolderPrivate(Core::IMode *mode, QSplitter *parent);
  48
  49     Core::IMode *m_mode;
  50     QSplitter *m_splitter;
  51     bool m_closeable;
  52     static OutputPanePlaceHolder* m_current;
  53 };
  54
  55 OutputPanePlaceHolderPrivate::OutputPanePlaceHolderPrivate(Core::IMode *mode, QSplitter *parent) :
  56     m_mode(mode), m_splitter(parent), m_closeable(true)
  57 {
  58 }
  59
  60 OutputPanePlaceHolder *OutputPanePlaceHolderPrivate::m_current = 0;
  61
  62 OutputPanePlaceHolder::OutputPanePlaceHolder(Core::IMode *mode, QSplitter* parent)
  63    : QWidget(parent), d(new OutputPanePlaceHolderPrivate(mode, parent))
  64 {
  65     setVisible(false);
  66     setLayout(new QVBoxLayout);
  67     QSizePolicy sp;
  68     sp.setHorizontalPolicy(QSizePolicy::Preferred);
  69     sp.setVerticalPolicy(QSizePolicy::Preferred);
  70     sp.setHorizontalStretch(0);
  71     setSizePolicy(sp);
  72     layout()->setMargin(0);
  73     connect(Core::ModeManager::instance(), SIGNAL(currentModeChanged(Core::IMode *)),
  74             this, SLOT(currentModeChanged(Core::IMode *)));
  75 }
  76
  77 OutputPanePlaceHolder::~OutputPanePlaceHolder()
  78 {
  79     if (d->m_current == this) {
  80         // FIXME: Prevent exit crash in debug mode.
  81         if (Internal::OutputPaneManager *om = Internal::OutputPaneManager::instance()) {
  82             om->setParent(0);
  83             om->hide();
  84         }
  85     }
  86 }
  87
  88 void OutputPanePlaceHolder::setCloseable(bool b)
  89 {
  90     d->m_closeable = b;
  91 }
  92
  93 bool OutputPanePlaceHolder::closeable()
  94 {
  95     return d->m_closeable;
  96 }
  97
  98 void OutputPanePlaceHolder::currentModeChanged(Core::IMode *mode)
  99 {
 100     if (d->m_current == this) {
 101         d->m_current = 0;
 102         Internal::OutputPaneManager *om = Internal::OutputPaneManager::instance();
 103         om->setParent(0);
 104         om->hide();
 105         om->updateStatusButtons(false);
 106     }
 107     if (d->m_mode == mode) {
 108         d->m_current = this;
 109         Internal::OutputPaneManager *om = Internal::OutputPaneManager::instance();
 110         layout()->addWidget(om);
 111         om->show();
 112         om->updateStatusButtons(isVisible());
 113         om->setCloseable(d->m_closeable);
 114     }
 115 }
 116
 117 void OutputPanePlaceHolder::maximizeOrMinimize(bool maximize)
 118 {
 119     if (!d->m_splitter)
 120         return;
 121     int idx = d->m_splitter->indexOf(this);
 122     if (idx < 0)
 123         return;
 124
 125     QList<int> sizes = d->m_splitter->sizes();
 126
 127     if (maximize) {
 128         int sum = 0;
 129         foreach(int s, sizes)
 130             sum += s;
 131         for (int i = 0; i < sizes.count(); ++i) {
 132             sizes[i] = 32;
 133         }
 134         sizes[idx] = sum - (sizes.count()-1) * 32;
 135     } else {
 136         int target = sizeHint().height();
 137         int space = sizes[idx] - target;
 138         if (space > 0) {
 139             for (int i = 0; i < sizes.count(); ++i) {
 140                 sizes[i] += space / (sizes.count()-1);
 141             }
 142             sizes[idx] = target;
 143         }
 144     }
 145
 146     d->m_splitter->setSizes(sizes);
 147
 148 }
 149
 150 bool OutputPanePlaceHolder::isMaximized() const
 151 {
 152     return Internal::OutputPaneManager::instance()->isMaximized();
 153 }
 154
 155 void OutputPanePlaceHolder::unmaximize()
 156 {
 157     if (Internal::OutputPaneManager::instance()->isMaximized())
 158         Internal::OutputPaneManager::instance()->slotMinMax();
 159 }
 160
 161 OutputPanePlaceHolder *OutputPanePlaceHolder::getCurrent()
 162 {
 163     return OutputPanePlaceHolderPrivate::m_current;
 164 }
 165
 166 bool OutputPanePlaceHolder::canMaximizeOrMinimize() const
 167 {
 168     return d->m_splitter != 0;
 169 }
 170
 171 bool OutputPanePlaceHolder::isCurrentVisible()
 172 {
 173     return OutputPanePlaceHolderPrivate::m_current && OutputPanePlaceHolderPrivate::m_current->isVisible();
 174 }
 175
 176 } // namespace Core
 177
 178