src/frontends/qt4/panelstack.C

   1 /**
   2  * \file panelstack.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "panelstack.h"
  14
  15 #include "qt_helpers.h"
  16
  17 #include "debug.h"
  18
  19 #include <QStackedWidget>
  20 #include <QTreeWidget>
  21 #include <QHBoxLayout>
  22 #include <QHeaderView>
  23
  24 #include <boost/assert.hpp>
  25
  26 #include <iostream>
  27
  28
  29 using std::endl;
  30 using std::cout;
  31
  32 namespace lyx {
  33 namespace frontend {
  34
  35
  36 PanelStack::PanelStack(QWidget * parent)
  37         : QWidget(parent)
  38 {
  39         list_ = new QTreeWidget(this);
  40         stack_ = new QStackedWidget(this);
  41
  42         list_->setColumnCount(1);
  43         QStringList HeaderLabels; HeaderLabels << QString("Category");
  44         list_->setHeaderLabels(HeaderLabels);
  45
  46         connect(list_, SIGNAL(currentItemChanged (QTreeWidgetItem*, QTreeWidgetItem*)),
  47                 this, SLOT(switchPanel(QTreeWidgetItem *, QTreeWidgetItem*)));
  48
  49         QHBoxLayout * layout = new QHBoxLayout(this);
  50         layout->addWidget(list_, 0);
  51         layout->addWidget(stack_, 1);
  52 }
  53
  54
  55 void PanelStack::addCategory(docstring const & n, docstring const & parent)
  56 {
  57         QTreeWidgetItem * item;
  58
  59         QString name;
  60         lyx::ucs4_to_qstring(n, name);
  61
  62         lyxerr[Debug::GUI] << "addCategory n= " << lyx::to_utf8(n) << "   parent= " << endl;
  63
  64         if (parent.empty()) {
  65                 item = new QTreeWidgetItem(list_);
  66                 item->setText(0, name);
  67         }
  68         else {
  69                 PanelMap::iterator it = panel_map_.find(parent);
  70                 //BOOST_ASSERT(it != panel_map_.end());
  71                 if (it == panel_map_.end()) {
  72                         addCategory(parent);
  73                         it = panel_map_.find(parent);
  74                 }
  75                 BOOST_ASSERT(it != panel_map_.end());
  76
  77                 item = new QTreeWidgetItem(it->second);
  78                 item->setText(0, name);
  79         }
  80
  81         panel_map_[n] = item;
  82
  83         list_->setMinimumWidth(list_->header()->sectionSize(0) + list_->indentation());
  84 }
  85
  86
  87 void PanelStack::addPanel(QWidget * panel, docstring const & name, docstring const & parent)
  88 {
  89         addCategory(name, parent);
  90         QTreeWidgetItem * item = panel_map_.find(name)->second;
  91
  92         widget_map_[item] = panel;
  93         stack_->addWidget(panel);
  94         stack_->setMinimumSize(panel->minimumSize());
  95 }
  96
  97
  98 void PanelStack::setCurrentPanel(docstring const & name)
  99 {
 100         PanelMap::const_iterator cit = panel_map_.find(name);
 101         BOOST_ASSERT(cit != panel_map_.end());
 102
 103         // force on first set
 104         if (list_->currentItem() ==  cit->second)
 105                 switchPanel(cit->second);
 106
 107         list_->setCurrentItem(cit->second);
 108 }
 109
 110
 111 void PanelStack::switchPanel(QTreeWidgetItem * item,
 112                              QTreeWidgetItem * /*previous*/)
 113 {
 114         WidgetMap::const_iterator cit = widget_map_.find(item);
 115         if (cit == widget_map_.end())
 116                 return;
 117
 118         stack_->setCurrentWidget(cit->second);
 119 }
 120
 121
 122 QSize PanelStack::sizeHint() const
 123 {
 124         return QSize(list_->width() + stack_->width(),
 125                 qMax(list_->height(), stack_->height()));
 126 }
 127
 128 } // namespace frontend
 129 } // namespace lyx
 130
 131 #include "panelstack_moc.cpp"