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
  42         connect(list_, SIGNAL(currentChanged(QListViewItem*)),
  43                 this, SLOT(switchPanel(QListViewItem *)));
  44
  45         QHBoxLayout * layout = new QHBoxLayout(this);
  46         layout->addWidget(list_, 0);
  47         layout->addWidget(stack_, 1);
  48 }
  49
  50
  51 void PanelStack::addCategory(string const & n, string const & parent)
  52 {
  53         QListViewItem * item;
  54
  55         QString name = toqstr(n);
  56
  57         if (!parent.empty()) {
  58                 PanelMap::iterator it = panel_map_.find(parent);
  59                 lyx::Assert(it != panel_map_.end());
  60
  61                 QListViewItem * before = it->second->firstChild();
  62                 if (before) {
  63                         while (before->nextSibling())
  64                                 before = before->nextSibling();
  65
  66                         item = new QListViewItem(it->second, before, name);
  67                 } else {
  68                         item = new QListViewItem(it->second, name);
  69                 }
  70         } else {
  71                 QListViewItem * before = list_->firstChild();
  72                 if (before) {
  73                         while (before->nextSibling())
  74                                 before = before->nextSibling();
  75                         item = new QListViewItem(list_, before, name);
  76                 } else {
  77                         item = new QListViewItem(list_, name);
  78                 }
  79         }
  80
  81         item->setSelectable(false);
  82         item->setOpen(true);
  83         panel_map_[n] = item;
  84
  85         // Qt is just unbelievably moronic
  86         list_->setMinimumSize(QSize(150, list_->minimumHeight()));
  87 }
  88
  89
  90 void PanelStack::addPanel(QWidget * panel, string const & name, string const & parent)
  91 {
  92         addCategory(name, parent);
  93         QListViewItem * item = panel_map_.find(name)->second;
  94
  95         // reset the selectability set by addCategory
  96         item->setSelectable(true);
  97
  98         widget_map_[item] = panel;
  99         stack_->addWidget(panel, -1);
 100         stack_->setMinimumSize(panel->minimumSize());
 101         resize(sizeHint());
 102 }
 103
 104
 105 void PanelStack::setCurrentPanel(string const & name)
 106 {
 107         PanelMap::const_iterator cit = panel_map_.find(name);
 108         lyx::Assert(cit != panel_map_.end());
 109
 110         // force on first set
 111         if (list_->currentItem() ==  cit->second)
 112                 switchPanel(cit->second);
 113
 114         list_->setCurrentItem(cit->second);
 115 }
 116
 117
 118 void PanelStack::switchPanel(QListViewItem * item)
 119 {
 120         WidgetMap::const_iterator cit = widget_map_.find(item);
 121         if (cit == widget_map_.end())
 122                 return;
 123
 124         stack_->raiseWidget(cit->second);
 125 }