lyx_mirror/src/frontends/qt2/panelstack.C
Jürgen Spitzmüller 9dd60d60b3 fix qt dialog list resizing (bug 1033)
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9802 a592a061-630c-0410-9148-cb99ea01b6c8
2005-04-11 07:00:03 +00:00

137 lines
3.3 KiB
C

/**
* \file panelstack.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "panelstack.h"
#include "qt_helpers.h"
#include <qwidgetstack.h>
#include <qfontmetrics.h>
#include <qlayout.h>
#include <qlistview.h>
#include <boost/assert.hpp>
using std::string;
PanelStack::PanelStack(QWidget * parent, const char * name)
: QWidget(parent, name)
{
list_ = new QListView(this);
stack_ = new QWidgetStack(this);
list_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
stack_->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
list_->setSorting(-1);
list_->setHScrollBarMode(QScrollView::AlwaysOff);
list_->setVScrollBarMode(QScrollView::AlwaysOff);
list_->addColumn("");
list_->setColumnWidthMode(0, QListView::Maximum);
#if QT_VERSION >= 300
list_->setResizeMode(QListView::AllColumns);
#endif
list_->setRootIsDecorated(true);
QWidget * w = static_cast<QWidget*>(list_->child("list view header"));
if (w)
w->hide();
connect(list_, SIGNAL(currentChanged(QListViewItem*)),
this, SLOT(switchPanel(QListViewItem *)));
QHBoxLayout * layout = new QHBoxLayout(this);
layout->addWidget(list_, 0);
layout->addWidget(stack_, 1);
}
void PanelStack::addCategory(string const & n, string const & parent)
{
QListViewItem * item;
QString name = toqstr(n);
if (!parent.empty()) {
PanelMap::iterator it = panel_map_.find(parent);
BOOST_ASSERT(it != panel_map_.end());
QListViewItem * before = it->second->firstChild();
if (before) {
while (before->nextSibling())
before = before->nextSibling();
item = new QListViewItem(it->second, before, name);
} else {
item = new QListViewItem(it->second, name);
}
} else {
QListViewItem * before = list_->firstChild();
if (before) {
while (before->nextSibling())
before = before->nextSibling();
item = new QListViewItem(list_, before, name);
} else {
item = new QListViewItem(list_, name);
}
}
item->setSelectable(false);
item->setOpen(true);
panel_map_[n] = item;
// calculate the real size the current item needs in the listview
QFontMetrics fm(list_->font());
int itemsize = item->width(fm, list_, 0) + 10
+ list_->treeStepSize() * (item->depth() + 1) + list_->itemMargin();
// adjust the listview width to the max. itemsize
if (itemsize > list_->minimumWidth())
list_->setMinimumWidth(itemsize);
}
void PanelStack::addPanel(QWidget * panel, string const & name, string const & parent)
{
addCategory(name, parent);
QListViewItem * item = panel_map_.find(name)->second;
// reset the selectability set by addCategory
item->setSelectable(true);
widget_map_[item] = panel;
stack_->addWidget(panel, -1);
stack_->setMinimumSize(panel->minimumSize());
resize(sizeHint());
}
void PanelStack::setCurrentPanel(string const & name)
{
PanelMap::const_iterator cit = panel_map_.find(name);
BOOST_ASSERT(cit != panel_map_.end());
// force on first set
if (list_->currentItem() == cit->second)
switchPanel(cit->second);
list_->setCurrentItem(cit->second);
}
void PanelStack::switchPanel(QListViewItem * item)
{
WidgetMap::const_iterator cit = widget_map_.find(item);
if (cit == widget_map_.end())
return;
stack_->raiseWidget(cit->second);
}