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 <QStackedWidget>
  18 #include <QTreeWidget>
  19 #include <QHBoxLayout>
  20 #include <QHeaderView>
  21
  22 #include <boost/assert.hpp>
  23
  24 #include <iostream>
  25
  26 using lyx::docstring;
  27
  28 using std::endl;
  29 using std::cout;
  30
  31
  32 PanelStack::PanelStack(QWidget * parent)
  33         : QWidget(parent)
  34 {
  35         list_ = new QTreeWidget(this);
  36         stack_ = new QStackedWidget(this);
  37
  38         list_->setColumnCount(1);
  39         QStringList HeaderLabels; HeaderLabels << QString("Category");
  40         list_->setHeaderLabels(HeaderLabels);
  41
  42         connect(list_, SIGNAL(currentItemChanged (QTreeWidgetItem*, QTreeWidgetItem*)),
  43                 this, SLOT(switchPanel(QTreeWidgetItem *, QTreeWidgetItem*)));
  44
  45         QHBoxLayout * layout = new QHBoxLayout(this);
  46         layout->addWidget(list_, 0);
  47         layout->addWidget(stack_, 1);
  48 }
  49
  50
  51 void PanelStack::addCategory(docstring const & n, docstring const & parent)
  52 {
  53         QTreeWidgetItem * item;
  54
  55         QString name;
  56         lyx::ucs4_to_qstring(n, name);
  57
  58         cout << "addCategory n= " << lyx::to_utf8(n) << "   parent= " << endl;
  59
  60         if (parent.empty()) {
  61                 item = new QTreeWidgetItem(list_);
  62                 item->setText(0, name);
  63         }
  64         else {
  65                 PanelMap::iterator it = panel_map_.find(parent);
  66                 //BOOST_ASSERT(it != panel_map_.end());
  67                 if (it == panel_map_.end()) {
  68                         addCategory(parent);
  69                         it = panel_map_.find(parent);
  70                 }
  71                 BOOST_ASSERT(it != panel_map_.end());
  72
  73                 item = new QTreeWidgetItem(it->second);
  74                 item->setText(0, name);
  75         }
  76
  77         panel_map_[n] = item;
  78
  79         list_->setMinimumWidth(list_->header()->sectionSize(0) + list_->indentation());
  80 }
  81
  82
  83 void PanelStack::addPanel(QWidget * panel, docstring const & name, docstring const & parent)
  84 {
  85         addCategory(name, parent);
  86         QTreeWidgetItem * item = panel_map_.find(name)->second;
  87
  88         widget_map_[item] = panel;
  89         stack_->addWidget(panel);
  90         stack_->setMinimumSize(panel->minimumSize());
  91 }
  92
  93
  94 void PanelStack::setCurrentPanel(docstring const & name)
  95 {
  96         PanelMap::const_iterator cit = panel_map_.find(name);
  97         BOOST_ASSERT(cit != panel_map_.end());
  98
  99         // force on first set
 100         if (list_->currentItem() ==  cit->second)
 101                 switchPanel(cit->second);
 102
 103         list_->setCurrentItem(cit->second);
 104 }
 105
 106
 107 void PanelStack::switchPanel(QTreeWidgetItem * item,
 108                              QTreeWidgetItem * /*previous*/)
 109 {
 110         WidgetMap::const_iterator cit = widget_map_.find(item);
 111         if (cit == widget_map_.end())
 112                 return;
 113
 114         stack_->setCurrentWidget(cit->second);
 115 }
 116
 117
 118 QSize PanelStack::sizeHint() const
 119 {
 120         return QSize(list_->width() + stack_->width(),
 121                 qMax(list_->height(), stack_->height()));
 122 }
 123
 124 #include "panelstack_moc.cpp"