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 "panelstack.h"
  12
  13 #include "support/LAssert.h"
  14
  15 #include "qt_helpers.h"
  16
  17 #include <qwidgetstack.h>
  18 #include <qlayout.h>
  19 #include <qlistview.h>
  20
  21 using std::map;
  22
  23
  24 PanelStack::PanelStack(QWidget * parent, const char * name)
  25         : QWidget(parent, name)
  26 {
  27         list_ = new QListView(this);
  28         stack_ = new QWidgetStack(this);
  29         list_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
  30         stack_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
  31
  32         list_->setSorting(-1);
  33         list_->setHScrollBarMode(QScrollView::AlwaysOff);
  34         list_->setVScrollBarMode(QScrollView::AlwaysOff);
  35         list_->addColumn("");
  36         list_->setColumnWidthMode(0, QListView::Maximum);
  37 #if QT_VERSION >= 300
  38         list_->setResizeMode(QListView::AllColumns);
  39 #endif
  40         list_->setRootIsDecorated(true);
  41         QWidget * w = static_cast<QWidget*>(list_->child("list view header"));
  42         if (w)
  43                 w->hide();
  44
  45         connect(list_, SIGNAL(currentChanged(QListViewItem*)),
  46                 this, SLOT(switchPanel(QListViewItem *)));
  47
  48         QHBoxLayout * layout = new QHBoxLayout(this);
  49         layout->addWidget(list_, 0);
  50         layout->addWidget(stack_, 1);
  51 }
  52
  53
  54 void PanelStack::addCategory(string const & n, string const & parent)
  55 {
  56         QListViewItem * item;
  57
  58         QString name = toqstr(n);
  59
  60         if (!parent.empty()) {
  61                 PanelMap::iterator it = panel_map_.find(parent);
  62                 lyx::Assert(it != panel_map_.end());
  63
  64                 QListViewItem * before = it->second->firstChild();
  65                 if (before) {
  66                         while (before->nextSibling())
  67                                 before = before->nextSibling();
  68
  69                         item = new QListViewItem(it->second, before, name);
  70                 } else {
  71                         item = new QListViewItem(it->second, name);
  72                 }
  73         } else {
  74                 QListViewItem * before = list_->firstChild();
  75                 if (before) {
  76                         while (before->nextSibling())
  77                                 before = before->nextSibling();
  78                         item = new QListViewItem(list_, before, name);
  79                 } else {
  80                         item = new QListViewItem(list_, name);
  81                 }
  82         }
  83
  84         item->setSelectable(false);
  85         item->setOpen(true);
  86         panel_map_[n] = item;
  87
  88         // Qt is just unbelievably moronic
  89         list_->setMinimumSize(QSize(150, list_->minimumHeight()));
  90 }
  91
  92
  93 void PanelStack::addPanel(QWidget * panel, string const & name, string const & parent)
  94 {
  95         addCategory(name, parent);
  96         QListViewItem * item = panel_map_.find(name)->second;
  97
  98         // reset the selectability set by addCategory
  99         item->setSelectable(true);
 100
 101         widget_map_[item] = panel;
 102         stack_->addWidget(panel, -1);
 103         stack_->setMinimumSize(panel->minimumSize());
 104         resize(sizeHint());
 105 }
 106
 107
 108 void PanelStack::setCurrentPanel(string const & name)
 109 {
 110         PanelMap::const_iterator cit = panel_map_.find(name);
 111         lyx::Assert(cit != panel_map_.end());
 112
 113         // force on first set
 114         if (list_->currentItem() ==  cit->second)
 115                 switchPanel(cit->second);
 116
 117         list_->setCurrentItem(cit->second);
 118 }
 119
 120
 121 void PanelStack::switchPanel(QListViewItem * item)
 122 {
 123         WidgetMap::const_iterator cit = widget_map_.find(item);
 124         if (cit == widget_map_.end())
 125                 return;
 126
 127         stack_->raiseWidget(cit->second);
 128 }