Continues migration with DDS, Common
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Executable
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@@ -0,0 +1,489 @@
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#include "lts_drag_icon.h"
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#include <QDrag>
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#include <QDragEnterEvent>
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#include <QDragLeaveEvent>
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#include <QDropEvent>
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#include <QMimeData>
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#include <QAction>
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#include <QVBoxLayout>
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#include <QLabel>
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#include <QPixmap>
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#include <QToolButton>
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#include <QButtonGroup>
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#include <QPainter>
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namespace LtsWidgets
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{
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class LtsToolButton : public QToolButton
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{
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Q_OBJECT
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public:
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explicit LtsToolButton(QWidget *parent)
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: QToolButton(parent)
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, m_sameWidgetDrop(false)
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, m_isDraggable(true)
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, m_startPos(QPoint())
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{
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setAutoFillBackground(false);
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setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
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}
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virtual ~LtsToolButton() = default;
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void dragEnterEvent(QDragEnterEvent *event) override;
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void setSameWidgetDrop(bool drop) { m_sameWidgetDrop = drop; }
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bool sameWidgetDrop() const { return m_sameWidgetDrop; }
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void setDraggable(bool isDraggable) { m_isDraggable = isDraggable; }
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void dropEvent(QDropEvent *event) override
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{
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emit newDropEvent(event);
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QToolButton::dropEvent(event);
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}
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void addMimeData(const QString &mimeType, const QByteArray &data);
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bool removeMimeData(const QString &mimeType);
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void removeAllMimeData() { m_mimeData.clear(); }
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protected:
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void initButton();
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signals:
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void newDropEvent(QDropEvent *e);
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void dropSuc();
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private:
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void performDrag(QMouseEvent *event);
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bool m_sameWidgetDrop;
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bool m_isDraggable;
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QPoint m_startPos;
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QMap<QString, QByteArray> m_mimeData;
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};
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LtsDragIcon::LtsDragIcon(QWidget *parent)
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: QWidget(parent)
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, m_lay(nullptr)
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, m_toolButton(nullptr)
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, m_icon()
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, m_dragLabel(new QLabel(this))
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, m_text()
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, m_style(ButtonStyle::eAll)
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, m_forceFixedSize(false)
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, m_isDraggable(true)
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, m_dropHandlerKey(0L)
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, m_buttonSize(ButtonSize::eDefault)
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, m_showDragIcon(true)
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{
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setAutoFillBackground(false);
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initButton();
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}
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void LtsDragIcon::setStyleToButton()
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{
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if (nullptr == m_toolButton) return;
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switch (m_style)
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{
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case ButtonStyle::eIconOnly:
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{
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setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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m_toolButton->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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setFixedSize(QSize(static_cast<int>(m_buttonSize), static_cast<int>(m_buttonSize)));
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m_toolButton->setToolButtonStyle(Qt::ToolButtonIconOnly);
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} break;
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case ButtonStyle::eTextOnly:
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{
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setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
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m_toolButton->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
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setFixedSize( QSize(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX) );
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m_toolButton->setToolButtonStyle(Qt::ToolButtonTextOnly);
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layout()->setSizeConstraint( QLayout::SetDefaultConstraint );
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} break;
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case ButtonStyle::eTextNextToIcon:
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{
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setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
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m_toolButton->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
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setFixedSize( QSize(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX) );
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m_toolButton->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
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layout()->setSizeConstraint( QLayout::SetDefaultConstraint );
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} break;
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default: break;
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}
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}
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void LtsDragIcon::initButton()
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{
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setMinimumSize(static_cast<int>(m_buttonSize), static_cast<int>(m_buttonSize));
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delete m_toolButton;
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delete m_lay;
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delete layout();
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m_toolButton = new LtsToolButton(this);
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m_toolButton->setDraggable(m_isDraggable);
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connect(m_toolButton, &LtsToolButton::clicked, this, &LtsDragIcon::clicked);
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connect(m_toolButton, &LtsToolButton::toggled, this, &LtsDragIcon::toggled);
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connect(m_toolButton, &LtsToolButton::newDropEvent, this, &LtsDragIcon::newDropEvent);
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connect(m_toolButton, &LtsToolButton::dropSuc, this, &LtsDragIcon::dropSuc);
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m_toolButton->setIcon(modifyIcon(m_icon));
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m_toolButton->setText(m_text);
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generateToolTip();
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m_toolButton->setIconSize(QSize(static_cast<int>(m_buttonSize), static_cast<int>(m_buttonSize)));
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QVBoxLayout *box = new QVBoxLayout(this);
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box->setMargin(0);
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box->setSpacing(0);
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box->addWidget(m_toolButton);
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this->setLayout(box);
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m_toolButton->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
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if (m_forceFixedSize)
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{
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m_toolButton->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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setFixedSize(QSize(static_cast<int>(m_buttonSize), static_cast<int>(m_buttonSize)));
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}
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else
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{
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m_toolButton->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
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}
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setStyleToButton();
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}
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void LtsDragIcon::addToButtonGroup(QButtonGroup *btnGrp, int btnGrpId)
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{
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btnGrp->addButton(m_toolButton, btnGrpId);
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}
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void LtsDragIcon::setIcon(const QIcon &icon)
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{
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m_icon = icon;
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(m_toolButton) ? m_toolButton->setIcon(modifyIcon(m_icon)) : initButton();
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}
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void LtsDragIcon::setMenu(QMenu *menu)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->setMenu(menu);
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}
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QMenu *LtsDragIcon::menu() const
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{
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if (nullptr == m_toolButton)
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return nullptr;
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return m_toolButton->menu();
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}
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void LtsDragIcon::setText(const QString &text)
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{
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m_text = text;
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(m_toolButton) ? generateToolTip() : initButton();
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}
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void LtsDragIcon::setContext(const QString &context)
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{
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m_context = context;
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generateToolTip();
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}
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void LtsDragIcon::generateToolTip()
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{
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if (!m_toolButton || m_text.isEmpty())
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return;
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QString text(m_text);
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if (!m_context.isEmpty())
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text.prepend(m_context + QLatin1String(" - "));
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m_toolButton->setText(m_text);
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m_toolButton->setToolTip(text);
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}
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bool LtsDragIcon::isCheckable()
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{
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return (m_toolButton) ? m_toolButton->isCheckable() : false;
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}
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void LtsDragIcon::setDraggable(bool draggable)
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{
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m_isDraggable = draggable;
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m_toolButton->setDraggable(m_isDraggable);
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}
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void LtsDragIcon::setCheckable(bool checkable)
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{
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m_toolButton->setCheckable(checkable);
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}
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bool LtsDragIcon::isChecked() const
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{
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return (m_toolButton) ? m_toolButton->isChecked() : false;
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}
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void LtsDragIcon::setChecked(bool checked)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->setChecked(checked);
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}
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void LtsDragIcon::setSameWidgetDrop(bool drop)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->setSameWidgetDrop(drop);
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}
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bool LtsDragIcon::sameWidgetDrop() const
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{
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if (nullptr == m_toolButton)
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return false;
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return m_toolButton->sameWidgetDrop();
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}
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void LtsDragIcon::addMimeData(const QString &mimeType, const QByteArray &data)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->addMimeData(mimeType, data);
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}
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bool LtsDragIcon::removeMimeData(const QString &mimeType)
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{
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if (nullptr == m_toolButton)
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initButton();
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return m_toolButton->removeMimeData(mimeType);
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}
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void LtsDragIcon::removeAllMimeData()
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->removeAllMimeData();
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}
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void LtsDragIcon::setAcceptDrops(bool on)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->setAcceptDrops(on);
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}
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void LtsDragIcon::dragEnterEvent(QDragEnterEvent *e)
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{
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if (m_toolButton)
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m_toolButton->dragEnterEvent(e);
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}
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void LtsDragIcon::dropEvent(QDropEvent *e)
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{
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QWidget::dropEvent(e);
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}
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void LtsDragIcon::setButtonStyle(ButtonStyle style)
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{
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m_style = style;
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setStyleToButton();
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}
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void LtsDragIcon::setIconSize(ButtonSize buttonSize)
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{
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m_buttonSize = buttonSize;
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(m_toolButton) ? m_toolButton->setIconSize(QSize(static_cast<int>(m_buttonSize), static_cast<int>(m_buttonSize))) : initButton();
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}
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void LtsDragIcon::setForceFixedSize(bool force)
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{
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m_forceFixedSize = force;
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initButton();
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}
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void LtsDragIcon::setButtonVisible(bool visible)
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{
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if (nullptr == m_toolButton)
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initButton();
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m_toolButton->setVisible(visible);
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}
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bool LtsDragIcon::buttonVisible() const
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{
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if (nullptr == m_toolButton)
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return false;
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return m_toolButton->isVisible();
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}
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void LtsDragIcon::setAction(QAction *action)
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{
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QIcon icon = action->icon();
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if(!icon.isNull())
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m_icon = icon;
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m_toolButton->setDefaultAction(action);
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this->setObjectName(action->objectName());
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}
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void LtsDragIcon::changeEvent(QEvent *event)
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{
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if (event->type() == QEvent::EnabledChange)
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emit enabledChanged(isEnabled());
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}
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void LtsToolButton::mousePressEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton)
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m_startPos = event->pos();
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QToolButton::mousePressEvent(event);
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}
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void LtsToolButton::mouseReleaseEvent(QMouseEvent *event)
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{
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QToolButton::mouseReleaseEvent(event);
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}
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void LtsToolButton::mouseMoveEvent(QMouseEvent *event)
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{
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if (!m_isDraggable)
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return;
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if (event->buttons() & Qt::LeftButton) {
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int distance = (event->pos() - m_startPos).manhattanLength();
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if (distance >= 5)
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{
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this->setDown(false);
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performDrag(event);
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return;
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}
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}
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QToolButton::mouseMoveEvent(event);
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}
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void LtsToolButton::performDrag(QMouseEvent *)
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{
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QWidget *item = this;
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if (item)
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{
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LtsDragIcon *dragIcon = nullptr;
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QString name;
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while (dragIcon == nullptr)
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{
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if ((!item->objectName().isEmpty()) && (name.isNull()))
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{
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name = item->objectName();
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}
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item = item->parentWidget();
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if (nullptr == item) return;
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dragIcon = dynamic_cast<LtsDragIcon*>(item);
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}
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QMimeData *mimeData = new QMimeData();
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mimeData->setText(name);
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for(auto it = m_mimeData.cbegin(); it != m_mimeData.cend(); ++it)
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mimeData->setData(it.key(), it.value());
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if (dragIcon->dropHandlerKey() != 0L)
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{
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QByteArray data = QByteArray(QByteArray::number(dragIcon->dropHandlerKey()));
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mimeData->setData(QLatin1String("DropHandlerPtr"),data);
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}
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QDrag *drag = new QDrag(item);
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drag->setMimeData(mimeData);
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QAction *action = defaultAction();
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if ((action) && (dragIcon->showDragIcon()))
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{
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drag->setPixmap(action->icon().pixmap(16,16) );
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}
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else
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{
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drag->setPixmap(dragIcon->icon().pixmap(16, 16));
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}
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Qt::DropAction drop = drag->exec(Qt::CopyAction | Qt::MoveAction);
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if (drop == Qt::MoveAction || drop == Qt::CopyAction )
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emit dropSuc();
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}
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}
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void LtsToolButton::dragEnterEvent(QDragEnterEvent *event)
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{
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QWidget *source =
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qobject_cast<QWidget *>(event->source());
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if (source && source != this) {
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event->setDropAction(Qt::MoveAction);
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event->accept();
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}
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QWidget::dragEnterEvent(event);
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}
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void LtsToolButton::addMimeData(const QString &mimeType, const QByteArray &data)
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{
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m_mimeData.insert(mimeType,data);
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}
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bool LtsToolButton::removeMimeData(const QString &mimeType)
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{
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return (m_mimeData.remove(mimeType) > 0);
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}
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#define SIZE 40
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QIcon LtsDragIcon::modifyIcon(const QIcon &icon)
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{
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if (m_modification.isEmpty())
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return icon;
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QPixmap iconImage(icon.pixmap(SIZE*0.8, SIZE*0.8));
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QPainter painter(&iconImage);
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painter.save();
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painter.setRenderHints(QPainter::TextAntialiasing | QPainter::Antialiasing | QPainter::HighQualityAntialiasing | QPainter::SmoothPixmapTransform);
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painter.setBrush(QColor("red"));
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painter.setPen(QPen(QColor("red"), 3));
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QFont f;
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f.setFamily(QStringLiteral("Monospace"));
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f.setPointSize(12);
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f.setBold(true);
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painter.setFont(f);
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painter.drawText(QRect(0, 0, 28, 28), m_modification);
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painter.restore();
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return iconImage;
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}
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}
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#include "lts_drag_icon.moc"
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Block a user