File indexing completed on 2024-04-28 04:18:53

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