* coding style guides are not a cute suggestion but a promise to be fulfilled.
* take QAction*s, which belong to whatever throws them at us * don't polute the public API with unecessary classes * avoid subclassing Private classes i'm still not overly happy with this class as it stands right now. svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=690430
This commit is contained in:
Aaron J. Seigo
parent
001cce34dc
commit
01ab982d54
392
widgets/icon.cpp
392
widgets/icon.cpp
@ -22,9 +22,9 @@
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsView>
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//#define PROVE_IT_CAN_BE_DONE
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//#define BACKINGSTORE_BLUR_HACK
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#ifdef PROVE_IT_CAN_BE_DONE
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#ifdef BACKINGSTORE_BLUR_HACK
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#include <private/qwindowsurface_p.h>
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#endif
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@ -43,19 +43,68 @@
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namespace Plasma
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{
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class PrivateSvgInfo
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class PLASMA_EXPORT IconAction
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{
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public:
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PrivateSvgInfo()
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IconAction(Icon* icon, QAction* action);
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void show();
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void hide();
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bool isVisible() const;
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Phase::AnimId animationId() const;
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QAction* action() const;
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void paint(QPainter *painter) const;
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bool event(QEvent::Type type, const QPointF &pos);
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void setSelected(bool selected);
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bool isSelected() const;
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bool isHovered() const;
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bool isPressed() const;
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void setRect(const QRectF &rect);
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QRectF rect() const;
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private:
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void rebuildPixmap();
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Icon* m_icon;
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QAction* m_action;
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QPixmap m_pixmap;
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QRectF m_rect;
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bool m_hovered;
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bool m_pressed;
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bool m_selected;
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bool m_visible;
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Phase::AnimId m_animationId;
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};
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class Icon::Private
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{
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public:
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Private()
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: svg("widgets/iconbutton"),
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svgElements(0)
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svgElements(0),
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size(128*1.1, 128*1.1),
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iconSize(128, 128),
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state(Private::NoState)
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{
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svg.setContentType(Plasma::Svg::ImageSet);
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svg.resize(size);
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//TODO: recheck when svg changes
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checkSvgElements();
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}
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~Private()
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{
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qDeleteAll(cornerActions);
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}
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void checkSvgElements()
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{
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if (svg.elementExists("background")) {
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@ -104,25 +153,17 @@ class PrivateSvgInfo
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SvgForegroundHover = 16,
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SvgForegroundPressed = 32,
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SvgMinibutton = 64,
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SvgMinibuttonHover = 256,
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SvgMinibuttonPressed = 128
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SvgMinibuttonHover = 128,
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SvgMinibuttonPressed = 256
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};
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Svg svg;
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int svgElements;
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};
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class Icon::Private : public PrivateSvgInfo
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{
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public:
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Private()
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: size(128*1.1, 128*1.1),
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iconSize(128, 128),
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state(Private::NoState)
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{
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svg.resize(size);
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}
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enum ActionPosition {
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TopLeft = 0,
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TopRight,
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BottomLeft,
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BottomRight,
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LastIconPosition
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};
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enum ButtonState
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{
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@ -132,192 +173,151 @@ class Icon::Private : public PrivateSvgInfo
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};
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QString text;
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Svg svg;
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int svgElements;
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QSizeF size;
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QSizeF iconSize;
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QIcon icon;
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ButtonState state;
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IconAction *testAction;
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QHash<Icon::ActionPosition, IconAction*> cornerActions;
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QAction *testAction;
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QList<IconAction*> cornerActions;
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};
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class IconAction::Private : public PrivateSvgInfo
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{
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public:
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Private() :
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hovered(false),
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pressed(false),
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visible(false),
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animationId(-1)
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{}
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QPixmap pixmap;
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QRectF rect;
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bool hovered;
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bool pressed;
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bool selected;
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bool visible;
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Phase::AnimId animationId;
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};
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IconAction::IconAction(QObject *parent)
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: QAction(parent),
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d(new Private)
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{
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}
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IconAction::IconAction(const QIcon &icon, QObject *parent)
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: QAction(icon, QString(), parent),
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d(new Private)
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IconAction::IconAction(Icon* icon, QAction *action)
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: m_icon(icon),
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m_action(action),
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m_hovered(false),
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m_pressed(false),
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m_visible(false),
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m_animationId(-1)
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{
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}
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void IconAction::show()
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{
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if (d->animationId)
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Phase::self()->stopElementAnimation(d->animationId);
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if (m_animationId) {
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Phase::self()->stopElementAnimation(m_animationId);
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}
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rebuildPixmap(); // caching needs to be done
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rebuildPixmap();
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QGraphicsItem *parentItem = dynamic_cast<QGraphicsItem*>(parent()); // dangerous
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d->animationId = Phase::self()->animateElement(parentItem, Phase::ElementAppear);
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Phase::self()->setAnimationPixmap(d->animationId, d->pixmap);
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d->visible = true;
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m_animationId = Phase::self()->animateElement(m_icon, Phase::ElementAppear);
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Phase::self()->setAnimationPixmap(m_animationId, m_pixmap);
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m_visible = true;
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}
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void IconAction::hide()
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{
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if (d->animationId)
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Phase::self()->stopElementAnimation(d->animationId);
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if (m_animationId) {
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Phase::self()->stopElementAnimation(m_animationId);
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}
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rebuildPixmap(); // caching needs to be done
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rebuildPixmap();
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QGraphicsItem *parentItem = dynamic_cast<QGraphicsItem*>(parent()); // dangerous
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d->animationId = Phase::self()->animateElement(parentItem, Phase::ElementDisappear);
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Phase::self()->setAnimationPixmap(d->animationId, d->pixmap);
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d->visible = false;
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m_animationId = Phase::self()->animateElement(m_icon, Phase::ElementDisappear);
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Phase::self()->setAnimationPixmap(m_animationId, m_pixmap);
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m_visible = false;
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}
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bool IconAction::isVisible() const
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{
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return d->visible;
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return m_visible;
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}
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bool IconAction::isPressed() const
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{
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return d->pressed;
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return m_pressed;
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}
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bool IconAction::isHovered() const
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{
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return d->hovered;
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return m_hovered;
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}
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void IconAction::setSelected(bool selected)
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{
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d->selected = selected;
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m_selected = selected;
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}
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bool IconAction::isSelected() const
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{
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return d->selected;
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return m_selected;
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}
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void IconAction::setRect(const QRectF &rect)
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{
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d->rect = rect;
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m_rect = rect;
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}
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QRectF IconAction::rect() const
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{
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return d->rect;
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return m_rect;
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}
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void IconAction::rebuildPixmap()
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{
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// Determine proper QIcon mode based on selection status
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QIcon::Mode mode = QIcon::Normal;
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if (d->selected)
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if (m_selected) {
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mode = QIcon::Selected;
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// Determine proper svg element
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QString element;
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if (d->svgElements & Private::SvgMinibutton)
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element = "minibutton";
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if (d->pressed)
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{
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if (d->svgElements & Private::SvgMinibuttonPressed)
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element = "minibutton-pressed";
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else if (d->svgElements & Private::SvgMinibuttonHover)
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element = "minibutton-hover";
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}
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else if (d->hovered)
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{
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if (d->svgElements & Private::SvgMinibuttonHover)
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element = "minibutton-hover";
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}
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// Draw everything
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d->pixmap = QPixmap(26, 26);
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d->pixmap.fill(Qt::transparent);
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m_pixmap = QPixmap(26, 26);
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m_pixmap.fill(Qt::transparent);
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QPainter painter(&d->pixmap);
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// first paint the foreground element
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if (!element.isEmpty()) {
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d->svg.resize(d->pixmap.size());
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d->svg.paint(&painter, 0, 0, element);
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int element = Icon::Private::SvgMinibutton;
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if (m_pressed) {
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element = Icon::Private::SvgMinibuttonPressed;
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} else if (m_hovered) {
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element = Icon::Private::SvgMinibuttonHover;
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}
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// then paint the icon
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icon().paint(&painter, 2, 2, 22, 22, Qt::AlignCenter, mode); // more assumptions
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QPainter painter(&m_pixmap);
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m_icon->drawActionButtonBase(&painter, m_pixmap.size(), element);
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m_action->icon().paint(&painter, 2, 2, 22, 22, Qt::AlignCenter, mode);
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}
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bool IconAction::event(QEvent::Type type, const QPointF &pos)
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{
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switch (type)
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{
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case QEvent::MouseButtonPress:
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{
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setSelected(d->rect.contains(pos));
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return isSelected();
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}
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break;
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switch (type) {
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case QEvent::MouseButtonPress: {
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setSelected(m_rect.contains(pos));
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return isSelected();
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}
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break;
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case QEvent::MouseMove:
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{
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bool wasSelected = isSelected();
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bool active = d->rect.contains(pos);
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setSelected(wasSelected && active);
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return (wasSelected != isSelected()) || active;
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}
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break;
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case QEvent::MouseMove: {
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bool wasSelected = isSelected();
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bool active = m_rect.contains(pos);
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setSelected(wasSelected && active);
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return (wasSelected != isSelected()) || active;
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}
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break;
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case QEvent::MouseButtonRelease:
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{
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bool wasSelected = isSelected();
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setSelected(false);
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if (wasSelected)
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trigger();
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case QEvent::MouseButtonRelease: {
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bool wasSelected = isSelected();
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setSelected(false);
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if (wasSelected) {
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m_action->trigger();
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}
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return wasSelected;
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}
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break;
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return wasSelected;
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}
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break;
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case QEvent::GraphicsSceneHoverEnter:
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d->pressed = false;
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d->hovered = true;
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break;
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case QEvent::GraphicsSceneHoverEnter:
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m_pressed = false;
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m_hovered = true;
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break;
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case QEvent::GraphicsSceneHoverLeave:
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d->pressed = false;
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d->hovered = false;
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break;
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case QEvent::GraphicsSceneHoverLeave:
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m_pressed = false;
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m_hovered = false;
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break;
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default:
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default:
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break;
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}
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@ -326,17 +326,19 @@ bool IconAction::event(QEvent::Type type, const QPointF &pos)
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Phase::AnimId IconAction::animationId() const
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{
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return d->animationId;
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return m_animationId;
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}
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QAction* IconAction::action() const
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{
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return m_action;
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}
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void IconAction::paint(QPainter *painter) const
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{
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painter->drawPixmap(d->rect.toRect(), Phase::self()->animationResult(d->animationId));
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painter->drawPixmap(m_rect.toRect(), Phase::self()->animationResult(m_animationId));
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}
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Icon::Icon(QGraphicsItem *parent)
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: QGraphicsItem(parent),
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d(new Private)
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@ -371,33 +373,44 @@ void Icon::init()
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setAcceptedMouseButtons(Qt::LeftButton);
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setAcceptsHoverEvents(true);
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d->testAction = new IconAction(KIcon("exec"), this);
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setCornerAction(TopLeft, d->testAction);
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d->testAction = new QAction(KIcon("exec"), i18n("Open"), this);
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addAction(d->testAction);
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}
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void Icon::setCornerAction(ActionPosition pos, IconAction *action)
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void Icon::addAction(QAction *action)
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{
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if (d->cornerActions[pos])
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{
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// TODO: do we delete it, or just clear it (watch out for leaks with the latter!)
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int count = d->cornerActions.count();
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if (count > 3) {
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kDebug() << "Icon::addAction(QAction*) no more room for more actions!" << endl;
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}
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d->cornerActions[pos] = action;
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switch (pos)
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{
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case TopLeft:
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{
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QRectF rect(6, 6, 32, 32);
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action->setRect(rect);
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}
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break;
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IconAction* iconAction = new IconAction(this, action);
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d->cornerActions.append(iconAction);
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connect(action, SIGNAL(destroyed(QObject*)), this, SLOT(actionDestroyed(QObject*)));
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case TopRight:
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break;
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case BottomLeft:
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break;
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case BottomRight:
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//FIXME: set other icon rects properly, and shift them when we change our size
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switch (count) {
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case Private::TopLeft:
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iconAction->setRect(QRectF(6, 6, 32, 32));
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break;
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case Private::TopRight:
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break;
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case Private::BottomLeft:
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break;
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case Private::BottomRight:
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break;
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}
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}
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void Icon::actionDestroyed(QObject* action)
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{
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QList<IconAction*>::iterator it = d->cornerActions.begin();
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while (it != d->cornerActions.end()) {
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if ((*it)->action() == action) {
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d->cornerActions.erase(it);
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break;
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}
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}
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}
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@ -425,7 +438,7 @@ void Icon::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
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Q_UNUSED(option)
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Q_UNUSED(widget)
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#ifdef PROVE_IT_CAN_BE_DONE
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#ifdef BACKINGSTORE_BLUR_HACK
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if (d->state == Private::HoverState && scene()) {
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QList<QGraphicsView*> views = scene()->views();
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if (views.count() > 0) {
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@ -441,6 +454,8 @@ void Icon::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
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}
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#endif
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d->svg.resize(d->size);
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QString element;
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if (d->svgElements & Private::SvgBackground) {
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element = "background";
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@ -516,10 +531,10 @@ void Icon::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
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}
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// Draw top-left button
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foreach (IconAction *action, d->cornerActions)
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{
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if (action->animationId())
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foreach (IconAction *action, d->cornerActions) {
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if (action->animationId()) {
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action->paint(painter);
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}
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}
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// Draw text last because its overlayed
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@ -537,6 +552,32 @@ void Icon::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
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}
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void Icon::drawActionButtonBase(QPainter* painter, const QSize &size, int element)
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{
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// Determine proper svg element
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QString id;
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if (d->svgElements & Private::SvgMinibutton) {
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id = "minibutton";
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}
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if (element == Private::SvgMinibuttonPressed) {
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if (d->svgElements & Private::SvgMinibuttonPressed) {
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id = "minibutton-pressed";
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} else if (d->svgElements & Private::SvgMinibuttonHover) {
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id = "minibutton-hover";
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}
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} else if (element == Icon::Private::SvgMinibuttonHover &&
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d->svgElements & Private::SvgMinibuttonHover) {
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id = "minibutton-hover";
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}
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if (!id.isEmpty()) {
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d->svg.resize(size);
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d->svg.paint(painter, 0, 0, id);
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}
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}
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void Icon::setText(const QString& text)
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{
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||||
d->text = text;
|
||||
@ -587,8 +628,9 @@ bool Icon::isDown()
|
||||
|
||||
void Icon::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
||||
{
|
||||
foreach (IconAction *action, d->cornerActions)
|
||||
foreach (IconAction *action, d->cornerActions) {
|
||||
action->event(event->type(), event->pos());
|
||||
}
|
||||
|
||||
QGraphicsItem::mousePressEvent(event);
|
||||
}
|
||||
@ -601,15 +643,15 @@ void Icon::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
||||
if (inside) {
|
||||
d->state = Private::HoverState;
|
||||
|
||||
foreach (IconAction *action, d->cornerActions)
|
||||
foreach (IconAction *action, d->cornerActions) {
|
||||
action->event(event->type(), event->pos());
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
} else {
|
||||
d->state = Private::NoState;
|
||||
}
|
||||
|
||||
if (wasClicked)
|
||||
{
|
||||
if (wasClicked) {
|
||||
emit pressed(false);
|
||||
emit clicked();
|
||||
}
|
||||
@ -619,8 +661,7 @@ void Icon::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
||||
|
||||
void Icon::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
foreach (IconAction *action, d->cornerActions)
|
||||
{
|
||||
foreach (IconAction *action, d->cornerActions) {
|
||||
action->show();
|
||||
action->event(event->type(), event->pos());
|
||||
}
|
||||
@ -631,8 +672,7 @@ void Icon::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
||||
|
||||
void Icon::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
foreach (IconAction *action, d->cornerActions)
|
||||
{
|
||||
foreach (IconAction *action, d->cornerActions) {
|
||||
action->hide();
|
||||
action->event(event->type(), event->pos());
|
||||
}
|
||||
|
||||
@ -37,42 +37,6 @@ class KUrl;
|
||||
namespace Plasma
|
||||
{
|
||||
|
||||
class PLASMA_EXPORT IconAction : public QAction
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
IconAction(QObject *parent = 0);
|
||||
IconAction(const QIcon &icon, QObject *parent = 0);
|
||||
|
||||
void show();
|
||||
void hide();
|
||||
bool isVisible() const;
|
||||
|
||||
Phase::AnimId animationId() const;
|
||||
|
||||
void paint(QPainter *painter) const;
|
||||
bool event(QEvent::Type type, const QPointF &pos);
|
||||
|
||||
void setSelected(bool selected);
|
||||
bool isSelected() const;
|
||||
|
||||
bool isHovered() const;
|
||||
bool isPressed() const;
|
||||
|
||||
void setRect(const QRectF &rect);
|
||||
QRectF rect() const;
|
||||
|
||||
signals:
|
||||
void clicked();
|
||||
|
||||
private:
|
||||
void rebuildPixmap();
|
||||
|
||||
class Private;
|
||||
Private * const d;
|
||||
|
||||
};
|
||||
|
||||
class PLASMA_EXPORT Icon : public QObject, public QGraphicsItem, public LayoutItem
|
||||
{
|
||||
Q_OBJECT
|
||||
@ -92,14 +56,7 @@ class PLASMA_EXPORT Icon : public QObject, public QGraphicsItem, public LayoutIt
|
||||
void setIconSize(const QSizeF& size);
|
||||
void setIconSize(int height, int width);
|
||||
|
||||
enum ActionPosition
|
||||
{
|
||||
TopLeft = 0,
|
||||
TopRight,
|
||||
BottomLeft,
|
||||
BottomRight
|
||||
};
|
||||
void setCornerAction(ActionPosition pos, IconAction *action);
|
||||
void addAction(QAction* action);
|
||||
|
||||
// Layout stuff
|
||||
Qt::Orientations expandingDirections() const;
|
||||
@ -135,13 +92,23 @@ class PLASMA_EXPORT Icon : public QObject, public QGraphicsItem, public LayoutIt
|
||||
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
|
||||
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
|
||||
|
||||
public:
|
||||
class Private;
|
||||
|
||||
/**
|
||||
* @internal
|
||||
**/
|
||||
void drawActionButtonBase(QPainter* painter, const QSize &size, int element);
|
||||
|
||||
private:
|
||||
QPixmap buttonPixmap();
|
||||
void init();
|
||||
void calculateSize();
|
||||
|
||||
class Private;
|
||||
Private * const d;
|
||||
|
||||
private Q_SLOTS:
|
||||
void actionDestroyed(QObject* obj);
|
||||
};
|
||||
|
||||
} // namespace Plasma
|
||||
|
||||
Loading…
Reference in New Issue
Block a user