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         list_->setResizeMode(QListView::AllColumns);
  38         list_->setRootIsDecorated(true);
  39
  40         connect(list_, SIGNAL(currentChanged(QListViewItem*)),
  41                 this, SLOT(switchPanel(QListViewItem *)));
  42
  43         QHBoxLayout * layout = new QHBoxLayout(this);
  44         layout->addWidget(list_, 0);
  45         layout->addWidget(stack_, 1);
  46 }
  47
  48
  49 void PanelStack::addCategory(string const & n, string const & parent)
  50 {
  51         QListViewItem * item;
  52
  53         QString name = toqstr(n);
  54
  55         if (!parent.empty()) {
  56                 PanelMap::iterator it = panel_map_.find(parent);
  57                 lyx::Assert(it != panel_map_.end());
  58
  59                 QListViewItem * before = it->second->firstChild();
  60                 if (before) {
  61                         while (before->nextSibling())
  62                                 before = before->nextSibling();
  63
  64                         item = new QListViewItem(it->second, before, name);
  65                 } else {
  66                         item = new QListViewItem(it->second, name);
  67                 }
  68         } else {
  69                 QListViewItem * before = list_->firstChild();
  70                 if (before) {
  71                         while (before->nextSibling())
  72                                 before = before->nextSibling();
  73                         item = new QListViewItem(list_, before, name);
  74                 } else {
  75                         item = new QListViewItem(list_, name);
  76                 }
  77         }
  78
  79         item->setSelectable(false);
  80         item->setOpen(true);
  81         panel_map_[n] = item;
  82
  83         // Qt is just unbelievably moronic
  84         list_->setMinimumSize(QSize(150, list_->minimumHeight()));
  85 }
  86
  87
  88 void PanelStack::addPanel(QWidget * panel, string const & name, string const & parent)
  89 {
  90         addCategory(name, parent);
  91         QListViewItem * item = panel_map_.find(name)->second;
  92
  93         // reset the selectability set by addCategory
  94         item->setSelectable(true);
  95
  96         widget_map_[item] = panel;
  97         stack_->addWidget(panel);
  98         stack_->setMinimumSize(panel->minimumSize());
  99         resize(sizeHint());
 100 }
 101
 102
 103 void PanelStack::setCurrentPanel(string const & name)
 104 {
 105         PanelMap::const_iterator cit = panel_map_.find(name);
 106         lyx::Assert(cit != panel_map_.end());
 107
 108         // force on first set
 109         if (list_->currentItem() ==  cit->second)
 110                 switchPanel(cit->second);
 111
 112         list_->setCurrentItem(cit->second);
 113 }
 114
 115
 116 void PanelStack::switchPanel(QListViewItem * item)
 117 {
 118         WidgetMap::const_iterator cit = widget_map_.find(item);
 119         if (cit == widget_map_.end())
 120                 return;
 121
 122         stack_->raiseWidget(cit->second);
 123 }