lyx_mirror/src/frontends/qt2/iconpalette.C
Angus Leeming 0ac4f65ad7 Sane ordering of the files #included in the Qt frontend.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8772 a592a061-630c-0410-9148-cb99ea01b6c8
2004-05-20 09:36:28 +00:00

118 lines
2.4 KiB
C

/**
* \file iconpalette.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 "iconpalette.h"
#include "qt_helpers.h"
#include "debug.h"
#include <qlayout.h>
#include <qpushbutton.h>
#include <qtooltip.h>
using std::endl;
using std::make_pair;
using std::max;
using std::string;
using std::vector;
int const button_size = 40;
IconPalette::IconPalette(QWidget * parent, char const * name)
: QWidget(parent, name), maxcol_(-1)
{
QVBoxLayout * top = new QVBoxLayout(this);
QHBoxLayout * row = new QHBoxLayout(top);
layout_ = new QGridLayout(row);
row->addStretch(0);
top->addStretch(0);
}
void IconPalette::add(QPixmap const & pixmap, string name, string tooltip)
{
QPushButton * p = new QPushButton(this);
p->setFixedSize(button_size, button_size);
p->setPixmap(pixmap);
QToolTip::add(p, toqstr(tooltip));
connect(p, SIGNAL(clicked()), this, SLOT(clicked()));
buttons_.push_back(make_pair(p, name));
}
void IconPalette::clicked()
{
vector<Button>::const_iterator it(buttons_.begin());
vector<Button>::const_iterator const end(buttons_.end());
for (; it != end; ++it) {
if (sender() == it->first) {
emit button_clicked(it->second);
return;
}
}
}
void IconPalette::resizeEvent(QResizeEvent * e)
{
QWidget::resizeEvent(e);
lyxerr[Debug::GUI] << "resize panel to "
<< e->size().width() << ',' << e->size().height() << endl;
int maxcol = e->size().width() / button_size;
if (!layout_->isEmpty() && maxcol == maxcol_)
return;
int cols(width() / button_size);
int rows = max(int(buttons_.size() / cols), 1);
if (buttons_.size() % cols)
++rows;
lyxerr[Debug::GUI] << "Laying out " << buttons_.size() << " widgets in a "
<< cols << 'x' << rows << " grid." << endl;
setUpdatesEnabled(false);
// clear layout
QLayoutIterator lit = layout_->iterator();
while (lit.current()) {
lit.takeCurrent();
}
layout_->invalidate();
vector<Button>::const_iterator it(buttons_.begin());
vector<Button>::const_iterator const end(buttons_.end());
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < cols; ++j) {
layout_->addWidget(it->first, i, j);
++it;
if (it == end)
goto out;
}
}
out:
resize(cols * button_size, rows * button_size);
maxcol_ = cols;
setUpdatesEnabled(true);
update();
}