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kdeplasma-addons: implement drag for kolourpicker applet

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now with color dragging!

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-07-17 20:23:46 +03:00
parent a7d2cad4a8
commit 8bc68f81c9
1 changed files with 37 additions and 5 deletions
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42
kdeplasma-addons/applets/kolourpicker/kolourpicker.cpp
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@ -151,11 +151,19 @@ class ColorButton : public Plasma::ToolButton
public:
ColorButton(QGraphicsWidget *parent);
void setColor(const QColor &color);
protected:
void resizeEvent(QGraphicsSceneResizeEvent *event) final;
void dragEnterEvent(QGraphicsSceneDragDropEvent *event) final;
void dragMoveEvent(QGraphicsSceneDragDropEvent *event) final;
void dropEvent(QGraphicsSceneDragDropEvent *event) final;
void mousePressEvent(QGraphicsSceneMouseEvent *event) final;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) final;
private:
QColor m_color;
QPointF m_dragstartpos;
};
ColorButton::ColorButton(QGraphicsWidget *parent)
@ -164,6 +172,19 @@ ColorButton::ColorButton(QGraphicsWidget *parent)
setAcceptDrops(true);
}
void ColorButton::setColor(const QColor &color)
{
m_color = color;
}
void ColorButton::resizeEvent(QGraphicsSceneResizeEvent *event)
{
const QSizeF sizef = size();
const int minsize = qRound(qMin(sizef.width(), sizef.height())) - 4;
nativeWidget()->setIconSize(QSize(minsize, minsize));
Plasma::ToolButton::resizeEvent(event);
}
void ColorButton::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
{
kDebug() << event << KColorMimeData::canDecode(event->mimeData());
@ -192,12 +213,21 @@ void ColorButton::dropEvent(QGraphicsSceneDragDropEvent *event)
picker->addColor(color);
}
void ColorButton::resizeEvent(QGraphicsSceneResizeEvent *event)
void ColorButton::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
const QSizeF sizef = size();
const int minsize = qRound(qMin(sizef.width(), sizef.height())) - 4;
nativeWidget()->setIconSize(QSize(minsize, minsize));
Plasma::ToolButton::resizeEvent(event);
m_dragstartpos = event->pos();
Plasma::ToolButton::mousePressEvent(event);
}
void ColorButton::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton &&
(event->pos() - m_dragstartpos).manhattanLength() > KGlobalSettings::dndEventDelay())
{
QDrag* drag = KColorMimeData::createDrag(m_color, nativeWidget());
drag->start();
setDown(false);
}
}
@ -415,6 +445,7 @@ void Kolourpicker::colorActionTriggered(QAction *act)
void Kolourpicker::clearHistory(bool save)
{
m_configAndHistory->nativeWidget()->setIcon(ColorIcon(Qt::gray));
m_configAndHistory->setColor(Qt::gray);
QHash<QColor, QAction *>::ConstIterator it = m_menus.constBegin(), itEnd = m_menus.constEnd();
for (; it != itEnd; ++it ) {
m_configAndHistoryMenu->removeAction(*it);
@ -438,6 +469,7 @@ void Kolourpicker::addColor(const QColor &color, bool save)
{
ColorIcon colorIcon(color);
m_configAndHistory->nativeWidget()->setIcon(colorIcon);
m_configAndHistory->setColor(color);
QHash<QColor, QAction *>::ConstIterator it = m_menus.constFind(color);
if (it != m_menus.constEnd()) {