src/frontends/qt2/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 <qwidgetstack.h>
  18 #include <qlayout.h>
  19 #include <qlistview.h>
  20
  21 #include <boost/assert.hpp>
  22
  23 using std::string;
  24
  25
  26 PanelStack::PanelStack(QWidget * parent, const char * name)
  27         : QWidget(parent, name)
  28 {
  29         list_ = new QListView(this);
  30         stack_ = new QWidgetStack(this);
  31         list_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
  32         stack_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
  33
  34         list_->setSorting(-1);
  35         list_->setHScrollBarMode(QScrollView::AlwaysOff);
  36         list_->setVScrollBarMode(QScrollView::AlwaysOff);
  37         list_->addColumn("");
  38         list_->setColumnWidthMode(0, QListView::Maximum);
  39 #if QT_VERSION >= 300
  40         list_->setResizeMode(QListView::AllColumns);
  41 #endif
  42         list_->setRootIsDecorated(true);
  43         QWidget * w = static_cast<QWidget*>(list_->child("list view header"));
  44         if (w)
  45                 w->hide();
  46
  47         connect(list_, SIGNAL(currentChanged(QListViewItem*)),
  48                 this, SLOT(switchPanel(QListViewItem *)));
  49
  50         QHBoxLayout * layout = new QHBoxLayout(this);
  51         layout->addWidget(list_, 0);
  52         layout->addWidget(stack_, 1);
  53 }
  54
  55
  56 void PanelStack::addCategory(string const & n, string const & parent)
  57 {
  58         QListViewItem * item;
  59
  60         QString name = toqstr(n);
  61
  62         if (!parent.empty()) {
  63                 PanelMap::iterator it = panel_map_.find(parent);
  64                 BOOST_ASSERT(it != panel_map_.end());
  65
  66                 QListViewItem * before = it->second->firstChild();
  67                 if (before) {
  68                         while (before->nextSibling())
  69                                 before = before->nextSibling();
  70
  71                         item = new QListViewItem(it->second, before, name);
  72                 } else {
  73                         item = new QListViewItem(it->second, name);
  74                 }
  75         } else {
  76                 QListViewItem * before = list_->firstChild();
  77                 if (before) {
  78                         while (before->nextSibling())
  79                                 before = before->nextSibling();
  80                         item = new QListViewItem(list_, before, name);
  81                 } else {
  82                         item = new QListViewItem(list_, name);
  83                 }
  84         }
  85
  86         item->setSelectable(false);
  87         item->setOpen(true);
  88         panel_map_[n] = item;
  89
  90         // Qt is just unbelievably moronic
  91         list_->setMinimumSize(QSize(150, list_->minimumHeight()));
  92 }
  93
  94
  95 void PanelStack::addPanel(QWidget * panel, string const & name, string const & parent)
  96 {
  97         addCategory(name, parent);
  98         QListViewItem * item = panel_map_.find(name)->second;
  99
 100         // reset the selectability set by addCategory
 101         item->setSelectable(true);
 102
 103         widget_map_[item] = panel;
 104         stack_->addWidget(panel, -1);
 105         stack_->setMinimumSize(panel->minimumSize());
 106         resize(sizeHint());
 107 }
 108
 109
 110 void PanelStack::setCurrentPanel(string const & name)
 111 {
 112         PanelMap::const_iterator cit = panel_map_.find(name);
 113         BOOST_ASSERT(cit != panel_map_.end());
 114
 115         // force on first set
 116         if (list_->currentItem() ==  cit->second)
 117                 switchPanel(cit->second);
 118
 119         list_->setCurrentItem(cit->second);
 120 }
 121
 122
 123 void PanelStack::switchPanel(QListViewItem * item)
 124 {
 125         WidgetMap::const_iterator cit = widget_map_.find(item);
 126         if (cit == widget_map_.end())
 127                 return;
 128
 129         stack_->raiseWidget(cit->second);
 130 }