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use PaintUtils::transition

Browse Source 
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=866781
This commit is contained in:
Marco Martin 2008-10-01 21:40:38 +00:00
parent 7d9e7a74cb
commit e0bd985045
2 changed files with 40 additions and 42 deletions
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78
widgets/pushbutton.cpp
View File

@ -1,5 +1,6 @@
/*
* Copyright 2008 Aaron Seigo <aseigo@kde.org>
* Copyright 2008 Marco Martin <notmart@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
@ -33,6 +34,7 @@
#include "svg.h"
#include "panelsvg.h"
#include "animator.h"
#include "paintutils.h"
namespace Plasma
{
@ -44,7 +46,8 @@ public:
: q(pushButton),
background(0),
activeBackgroundPixmap(0),
animId(0),
animId(-1),
fadeIn(false),
svg(0)
{
}
@ -74,16 +77,18 @@ public:
static_cast<KPushButton*>(q->widget())->setIcon(KIcon(pm));
}
void renderActiveBackgroundPixmap();
void syncActiveRect();
void syncBorders();
void elementAnimationFinished(int id);
void animationUpdate(qreal progress);
PushButton *q;
PanelSvg *background;
QPixmap *activeBackgroundPixmap;
QPixmap *backgroundPixmap;
int animId;
bool fadeIn;
qreal opacity;
QRectF activeRect;
QString imagePath;
@ -92,17 +97,6 @@ public:
};
void PushButtonPrivate::renderActiveBackgroundPixmap()
{
background->setElementPrefix("active");
activeBackgroundPixmap = new QPixmap(activeRect.size().toSize());
activeBackgroundPixmap->fill(Qt::transparent);
QPainter painter(activeBackgroundPixmap);
background->paintPanel(&painter);
}
void PushButtonPrivate::syncActiveRect()
{
background->setElementPrefix("normal");
@ -133,13 +127,19 @@ void PushButtonPrivate::syncBorders()
syncActiveRect();
}
void PushButtonPrivate::elementAnimationFinished(int id)
{
if (id == animId) {
animId = -1;
}
}
void PushButtonPrivate::animationUpdate(qreal progress)
{
if (progress == 1) {
animId = -1;
fadeIn = true;
}
opacity = fadeIn ? progress : 1 - progress;
// explicit update
q->update();
}
PushButton::PushButton(QGraphicsWidget *parent)
@ -157,7 +157,6 @@ PushButton::PushButton(QGraphicsWidget *parent)
d->background->setElementPrefix("normal");
d->syncBorders();
setAcceptHoverEvents(true);
connect(Plasma::Animator::self(), SIGNAL(elementAnimationFinished(int)), this, SLOT(elementAnimationFinished(int)));
connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), SLOT(syncBorders()));
}
@ -271,7 +270,9 @@ void PushButton::paint(QPainter *painter,
} else {
d->background->setElementPrefix("normal");
}
if (d->animId == -1) {
d->background->paintPanel(painter);
}
//flat or disabled
} else if (!isEnabled() || nativeWidget()->isFlat()) {
bufferPixmap = QPixmap(rect().size().toSize());
@ -288,12 +289,13 @@ void PushButton::paint(QPainter *painter,
//if is under mouse draw the animated glow overlay
if (!nativeWidget()->isDown() && isEnabled() && acceptHoverEvents()) {
if (d->animId != -1) {
painter->drawPixmap(d->activeRect.topLeft(), Plasma::Animator::self()->currentPixmap(d->animId) );
//QPixmap normalPix = QPixmap(d->activeRect.size());
QPixmap normalPix = d->background->panelPixmap();
d->background->setElementPrefix("active");
painter->drawPixmap(d->activeRect.topLeft(), PaintUtils::transition(d->background->panelPixmap(), normalPix, 1 - d->opacity));
} else if (isUnderMouse() || nativeWidget()->isDefault()) {
if (d->activeBackgroundPixmap == 0) {
d->renderActiveBackgroundPixmap();
}
painter->drawPixmap( d->activeRect.topLeft(), *d->activeBackgroundPixmap );
d->background->setElementPrefix("active");
d->background->paintPanel(painter, d->activeRect.topLeft());
}
}
@ -363,35 +365,31 @@ void PushButton::paint(QPainter *painter,
void PushButton::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
const int FadeInDuration = 75;
if (d->animId != -1) {
Plasma::Animator::self()->stopElementAnimation(d->animId);
Plasma::Animator::self()->stopCustomAnimation(d->animId);
}
d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::AppearAnimation);
d->animId = Plasma::Animator::self()->customAnimation(40 / (1000 / FadeInDuration), FadeInDuration,Plasma::Animator::LinearCurve, this, "animationUpdate");
d->background->setElementPrefix("active");
if (!d->activeBackgroundPixmap) {
d->renderActiveBackgroundPixmap();
}
Plasma::Animator::self()->setInitialPixmap( d->animId, *d->activeBackgroundPixmap );
QGraphicsProxyWidget::hoverEnterEvent(event);
}
void PushButton::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
const int FadeOutDuration = 150;
if (d->animId != -1) {
Plasma::Animator::self()->stopElementAnimation(d->animId);
Plasma::Animator::self()->stopCustomAnimation(d->animId != -1);
}
d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::DisappearAnimation);
d->fadeIn = false;
d->animId = Plasma::Animator::self()->customAnimation(40 / (1000 / FadeOutDuration), FadeOutDuration,Plasma::Animator::LinearCurve, this, "animationUpdate");
d->background->setElementPrefix("active");
if (!d->activeBackgroundPixmap) {
d->renderActiveBackgroundPixmap();
}
Plasma::Animator::self()->setInitialPixmap( d->animId, *d->activeBackgroundPixmap );
QGraphicsProxyWidget::hoverLeaveEvent(event);
}

2
widgets/pushbutton.h
View File

@ -108,7 +108,7 @@ private:
friend class PushButtonPrivate;
Q_PRIVATE_SLOT(d, void syncBorders())
Q_PRIVATE_SLOT(d, void elementAnimationFinished(int id))
Q_PRIVATE_SLOT(d, void animationUpdate(qreal progress))
};
} // namespace Plasma