File indexing completed on 2024-05-12 16:36:01

 /* This file is part of the KDE project
    Copyright 2011 Marijn Kruisselbrink <mkruisselbrink@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "ActionOptionWidget.h"
 
 // Qt
 #include <QDomElement>
 #include <QHBoxLayout>
 #include <QToolButton>
 #include <QWidgetAction>
 
 #include <QStyle>
 
 // KF5
 #include <KLocalizedString>
 
 // Calligra
 #include <KoFontComboBox.h>
 
 // Calligra Sheets
 #include "CellToolBase.h"
 
 using namespace Calligra::Sheets;
 
 class GroupFlowLayout : public QLayout
 {
 public:
     GroupFlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
     GroupFlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
     ~GroupFlowLayout() override;
 
     void addItem(QLayoutItem *item) override;
     int horizontalSpacing() const;
     int verticalSpacing() const;
     Qt::Orientations expandingDirections() const override;
     bool hasHeightForWidth() const override;
     int heightForWidth(int) const override;
     int count() const override;
     QLayoutItem *itemAt(int index) const override;
     QSize minimumSize() const override;
     void setGeometry(const QRect &rect) override;
     QSize sizeHint() const override;
     QLayoutItem *takeAt(int index) override;
 
 private:
     int doLayout(const QRect &rect, bool testOnly) const;
     int smartSpacing(QStyle::PixelMetric pm) const;
 
     QList<QLayoutItem *> itemList;
     int m_hSpace;
     int m_vSpace;
 };
 
 ActionOptionWidget::ActionOptionWidget(CellToolBase* cellTool, const QDomElement& e, QWidget *parent) :
     QWidget(parent)
 {
     QString name = e.attribute("name");
     setObjectName(name);
     setWindowTitle(i18n(name.toLatin1()));
 
     QLayout* layout = new GroupFlowLayout(this);//QBoxLayout(QBoxLayout::TopToBottom, this);
 
     for (QDomElement group = e.firstChildElement("group"); !group.isNull(); group = group.nextSiblingElement("group")) {
         QHBoxLayout *groupLayout = new QHBoxLayout();
         layout->addItem(groupLayout);
 
         // In each group there are a number of actions that will be layouted together.
         for (QDomElement action = group.firstChildElement("action"); !action.isNull(); action = action.nextSiblingElement("action")) {
             QString actionName = action.attribute("name");
             QAction* a = cellTool->action(actionName);
             if (!a) {
                 warnSheets << "unknown action" << actionName << "in CellToolOptionWidgets.xml";
                 continue;
             }
             QWidgetAction* wa = qobject_cast<QWidgetAction *>(a);
             QWidget* w = wa ? wa->requestWidget(this) : 0;
             if (w && qobject_cast<KoFontComboBox*>(w)) {
                 w->setMinimumWidth(w->minimumWidth() / 2);
             }
             if (!w) {
                 QToolButton* b = new QToolButton(this);
                 b->setFocusPolicy(Qt::NoFocus);
                 b->setDefaultAction(a);
                 w = b;
             }
 
             if (w) {
                 groupLayout->addWidget(w);
             }
         }
     }
 
     // The following widget activates a special feature in the
     // ToolOptionsDocker that makes the components of the widget align
     // to the top if there is extra space.
     QWidget *specialSpacer = new QWidget(this);
     specialSpacer->setObjectName("SpecialSpacer");
     layout->addWidget(specialSpacer);
 }
 
 GroupFlowLayout::GroupFlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
     : QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
 {
     setContentsMargins(margin, margin, margin, margin);
 }
 
 GroupFlowLayout::GroupFlowLayout(int margin, int hSpacing, int vSpacing)
     : m_hSpace(hSpacing), m_vSpace(vSpacing)
 {
     setContentsMargins(margin, margin, margin, margin);
 }
 
 GroupFlowLayout::~GroupFlowLayout()
 {
     QLayoutItem *item;
     while ((item = takeAt(0)))
         delete item;
 }
 
 void GroupFlowLayout::addItem(QLayoutItem *item)
 {
     itemList.append(item);
 }
 
 int GroupFlowLayout::horizontalSpacing() const
 {
     if (m_hSpace >= 0) {
         return m_hSpace;
     } else {
         return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
     }
 }
 
 int GroupFlowLayout::verticalSpacing() const
 {
     if (m_vSpace >= 0) {
         return m_vSpace;
     } else {
         return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
     }
 }
 
 int GroupFlowLayout::count() const
 {
     return itemList.size();
 }
 
 QLayoutItem *GroupFlowLayout::itemAt(int index) const
 {
     return itemList.value(index);
 }
 
 QLayoutItem *GroupFlowLayout::takeAt(int index)
 {
     if (index >= 0 && index < itemList.size())
         return itemList.takeAt(index);
     else
         return 0;
 }
 
 Qt::Orientations GroupFlowLayout::expandingDirections() const
 {
     return 0;
 }
 
 bool GroupFlowLayout::hasHeightForWidth() const
 {
     return true;
 }
 
 int GroupFlowLayout::heightForWidth(int width) const
 {
     int height = doLayout(QRect(0, 0, width, 0), true);
     return height;
 }
 
 void GroupFlowLayout::setGeometry(const QRect &rect)
 {
     QLayout::setGeometry(rect);
     doLayout(rect, false);
 }
 
 QSize GroupFlowLayout::sizeHint() const
 {
     return minimumSize();
 }
 
 QSize GroupFlowLayout::minimumSize() const
 {
     QSize size;
     QLayoutItem *item;
     foreach (item, itemList)
         size = size.expandedTo(item->minimumSize());
 
     size += QSize(2*margin(), 2*margin());
     return size;
 }
 
 int GroupFlowLayout::doLayout(const QRect &rect, bool testOnly) const
 {
     int left, top, right, bottom;
     getContentsMargins(&left, &top, &right, &bottom);
     QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
     int x = effectiveRect.x();
     int y = effectiveRect.y();
     int lineHeight = 0;
 
     QLayoutItem *item;
     foreach (item, itemList) {
         QWidget *wid = item->widget();
         int spaceX = horizontalSpacing();
         if (wid && spaceX == -1)
             spaceX = wid->style()->layoutSpacing(
                         QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
         if (spaceX == -1) spaceX = 5;
         int spaceY = verticalSpacing();
         if (wid && spaceY == -1)
             spaceY = wid->style()->layoutSpacing(
                         QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
         if (spaceY == -1) spaceX = 5;
         int nextX = x + item->sizeHint().width() + spaceX;
         if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
             x = effectiveRect.x();
             y = y + lineHeight + spaceY;
             nextX = x + item->sizeHint().width() + spaceX;
             lineHeight = 0;
         }
 
         if (!testOnly) {
             QSize s = item->sizeHint();
             if (nextX - spaceX > effectiveRect.right()) {
                 QSize minSize = item->minimumSize();
                 int neededW = effectiveRect.right() - x;
                 s.setWidth(qMax(neededW, minSize.width()));
             }
             item->setGeometry(QRect(QPoint(x, y), s));
         }
 
         x = nextX;
         lineHeight = qMax(lineHeight, item->sizeHint().height());
     }
     return y + lineHeight - rect.y() + bottom;
 }
 
 int GroupFlowLayout::smartSpacing(QStyle::PixelMetric pm) const
 {
     QObject *parent = this->parent();
     if (!parent) {
         return -1;
     } else if (parent->isWidgetType()) {
         QWidget *pw = static_cast<QWidget *>(parent);
         return pw->style()->pixelMetric(pm, 0, pw);
     } else {
         return static_cast<QLayout *>(parent)->spacing();
     }
 }