151 lines
5.4 KiB
C++
151 lines
5.4 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2007 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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// Self
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#include <statusbartoolbutton.h>
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// Qt
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#include <QAction>
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#include <QStyleOptionToolBar>
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#include <QStyleOptionToolButton>
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#include <QStylePainter>
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// KF
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#include <KLocalizedString>
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namespace Gwenview
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{
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StatusBarToolButton::StatusBarToolButton(QWidget *parent)
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: QToolButton(parent)
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, mGroupPosition(NotGrouped)
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{
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setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
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setFocusPolicy(Qt::NoFocus);
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setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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}
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QSize StatusBarToolButton::sizeHint() const
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{
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QSize sizeHint = QToolButton::sizeHint();
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QStyleOptionToolButton opt;
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initStyleOption(&opt);
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const bool isIconOnly = opt.toolButtonStyle == Qt::ToolButtonIconOnly || (!opt.icon.isNull() && opt.text.isEmpty());
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const bool isTextOnly = opt.toolButtonStyle == Qt::ToolButtonTextOnly || (opt.icon.isNull() && !opt.text.isEmpty());
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if (isIconOnly || isTextOnly) {
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QSize contentSize;
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if (isIconOnly) {
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contentSize.setHeight(qMax(opt.iconSize.height(), opt.fontMetrics.height()));
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contentSize.setWidth(contentSize.height());
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} else if (isTextOnly) {
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// copying the default text size behavior for text only QToolButtons
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QSize textSize = opt.fontMetrics.size(Qt::TextShowMnemonic, opt.text);
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// NOTE: QToolButton really does use horizontalAdvance() instead of boundingRect().width()
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textSize.setWidth(textSize.width() + opt.fontMetrics.horizontalAdvance(QLatin1Char(' ')) * 2);
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contentSize.setHeight(qMax(opt.iconSize.height(), textSize.height()));
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contentSize.setWidth(textSize.width());
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}
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if (popupMode() == MenuButtonPopup) {
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contentSize.setWidth(contentSize.width() + style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, this));
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}
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sizeHint = style()->sizeFromContents(QStyle::CT_ToolButton, &opt, contentSize, this);
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}
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return sizeHint;
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}
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void StatusBarToolButton::setGroupPosition(StatusBarToolButton::GroupPosition groupPosition)
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{
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mGroupPosition = groupPosition;
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}
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void StatusBarToolButton::paintEvent(QPaintEvent *event)
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{
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if (mGroupPosition == NotGrouped) {
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QToolButton::paintEvent(event);
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return;
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}
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QStylePainter painter(this);
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QStyleOptionToolButton opt;
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initStyleOption(&opt);
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QStyleOptionToolButton panelOpt = opt;
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// Panel
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QRect &panelRect = panelOpt.rect;
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switch (mGroupPosition) {
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case GroupLeft:
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panelRect.setWidth(panelRect.width() * 2);
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break;
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case GroupCenter:
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panelRect.setLeft(panelRect.left() - panelRect.width());
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panelRect.setWidth(panelRect.width() * 3);
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break;
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case GroupRight:
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panelRect.setLeft(panelRect.left() - panelRect.width());
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break;
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case NotGrouped:
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Q_ASSERT(0);
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}
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painter.drawPrimitive(QStyle::PE_PanelButtonTool, panelOpt);
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// Separator
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QStyleOptionToolBar tbOpt;
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tbOpt.palette = opt.palette;
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tbOpt.state = QStyle::State_Horizontal;
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const int width = style()->pixelMetric(QStyle::PM_ToolBarSeparatorExtent);
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const int height = opt.rect.height() - 2;
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const int y = opt.rect.y() + (opt.rect.height() - height) / 2;
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if (mGroupPosition & GroupRight) {
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// Kinda hacky. This is needed because of the way toolbar separators are horizontally aligned.
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// Tested with Breeze (width: 8), Fusion (width: 6) and Oxygen (width: 8)
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const int x = opt.rect.left() - width / 1.5;
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tbOpt.rect = QRect(x, y, width, height);
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painter.drawPrimitive(QStyle::PE_IndicatorToolBarSeparator, tbOpt);
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}
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if (mGroupPosition & GroupLeft) {
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const int x = opt.rect.right() - width / 2;
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tbOpt.rect = QRect(x, y, width, height);
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painter.drawPrimitive(QStyle::PE_IndicatorToolBarSeparator, tbOpt);
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}
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// Text
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painter.drawControl(QStyle::CE_ToolButtonLabel, opt);
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// Filtering message on tooltip text for CJK to remove accelerators.
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// Quoting ktoolbar.cpp:
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// """
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// CJK languages use more verbose accelerator marker: they add a Latin
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// letter in parenthesis, and put accelerator on that. Hence, the default
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// removal of ampersand only may not be enough there, instead the whole
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// parenthesis construct should be removed. Provide these filtering i18n
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// messages so that translators can use Transcript for custom removal.
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// """
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if (!actions().isEmpty()) {
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QAction *action = actions().constFirst();
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setToolTip(i18nc("@info:tooltip of custom toolbar button", "%1", action->toolTip()));
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}
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}
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} // namespace
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#include "moc_statusbartoolbutton.cpp"
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