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773f079a56
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14730 a592a061-630c-0410-9148-cb99ea01b6c8
131 lines
2.6 KiB
C
131 lines
2.6 KiB
C
/**
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* \file iconpalette.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "iconpalette.h"
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#include "debug.h"
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#include "qt_helpers.h"
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#include <QVBoxLayout>
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#include <QPixmap>
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#include <QHBoxLayout>
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#include <QGridLayout>
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#include <QResizeEvent>
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#include <QLayout>
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#include <QPushButton>
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#include <QToolTip>
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using std::endl;
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using std::make_pair;
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using std::max;
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using std::string;
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using std::vector;
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int const button_size = 40;
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IconPalette::IconPalette(QWidget * parent)
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: QWidget(parent), maxcol_(-1)
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{
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QVBoxLayout * top = new QVBoxLayout(this);
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QHBoxLayout * row = new QHBoxLayout(this);
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layout_ = new QGridLayout(this);
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top->insertLayout(-1, row);
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row->insertLayout(-1, layout_);
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row->addStretch(0);
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top->addStretch(0);
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}
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void IconPalette::add(QPixmap const & pixmap, string name, string tooltip)
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{
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QPushButton * p = new QPushButton(this);
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p->setFixedSize(button_size, button_size);
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p->setIcon(QIcon(pixmap));
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p->setToolTip(toqstr(tooltip));
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connect(p, SIGNAL(clicked()), this, SLOT(clicked()));
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buttons_.push_back(make_pair(p, name));
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}
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void IconPalette::clicked()
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{
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vector<Button>::const_iterator it(buttons_.begin());
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vector<Button>::const_iterator const end(buttons_.end());
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for (; it != end; ++it) {
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if (sender() == it->first) {
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// emit signal
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button_clicked(it->second);
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return;
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}
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}
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}
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void IconPalette::resizeEvent(QResizeEvent * e)
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{
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QWidget::resizeEvent(e);
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lyxerr[Debug::GUI] << "resize panel to "
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<< e->size().width() << ',' << e->size().height() << endl;
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int maxcol = e->size().width() / button_size;
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if (!layout_->isEmpty() && maxcol == maxcol_)
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return;
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int cols = max(width() / button_size, 1);
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int rows = max(int(buttons_.size() / cols), 1);
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if (buttons_.size() % cols)
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++rows;
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lyxerr[Debug::GUI] << "Laying out " << buttons_.size() << " widgets in a "
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<< cols << 'x' << rows << " grid." << endl;
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setUpdatesEnabled(false);
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// clear layout
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int i = 0;
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QLayoutItem *child;
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while ((child = layout_->itemAt(i)) != 0) {
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layout_->takeAt(i);
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++i;
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}
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layout_->invalidate();
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vector<Button>::const_iterator it(buttons_.begin());
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vector<Button>::const_iterator const end(buttons_.end());
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for (int i = 0; i < rows; ++i) {
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for (int j = 0; j < cols; ++j) {
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layout_->addWidget(it->first, i, j);
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++it;
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if (it == end)
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goto out;
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}
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}
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out:
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resize(cols * button_size, rows * button_size);
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maxcol_ = cols;
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setUpdatesEnabled(true);
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update();
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}
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#include "iconpalette_moc.cpp"
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