From e3a7b8945a40fbbefcb1e55010e46fc0c4a2bca7 Mon Sep 17 00:00:00 2001
From: Ming Rui Zhang <mingrui.zhang@savoirfairelinux.com>
Date: Wed, 6 Nov 2019 15:30:14 -0500
Subject: [PATCH] widgethelpers: add blinkable widget
Change-Id: If5b7bcd9ebac2082ab13399497843b72f11be09a
---
widgethelpers.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
widgethelpers.h | 29 +++++++++++++++++++++++++++++
2 files changed, 73 insertions(+)
diff --git a/widgethelpers.cpp b/widgethelpers.cpp
index 552bb2f..2e2afb4 100644
--- a/widgethelpers.cpp
+++ b/widgethelpers.cpp
@@ -75,6 +75,50 @@ FadeOutable::slotTimeout()
Q_EMIT willFadeOut();
}
+Blinkable::Blinkable(QWidget* parent)
+ : QWidget(parent)
+{
+ setAttribute(Qt::WA_NoSystemBackground);
+ fadeAnimation_ = new FadeAnimation(this, blinkTime_);
+}
+
+Blinkable::~Blinkable()
+{}
+
+void
+Blinkable::slotAnimationFinished()
+{
+ fadeAnimation_->setDirection(fadeAnimation_->direction() == QAbstractAnimation::Forward
+ ? QAbstractAnimation::Backward
+ : QAbstractAnimation::Forward);
+ fadeAnimation_->start();
+}
+
+void
+Blinkable::start()
+{
+ connection_ = connect(fadeAnimation_, &QPropertyAnimation::finished, this, &Blinkable::slotAnimationFinished);
+ fadeAnimation_->setDirection(QAbstractAnimation::Forward);
+ fadeAnimation_->start();
+}
+
+void
+Blinkable::stop()
+{
+ disconnect(connection_);
+ fadeAnimation_->stop();
+}
+
+void
+Blinkable::paintEvent(QPaintEvent *event)
+{
+ QWidget::paintEvent(event);
+ if(!pixmap_)
+ return;
+ QPainter painter(this);
+ painter.drawPixmap(rect(), *pixmap_);
+}
+
VignetteWidget::VignetteWidget(QWidget* parent)
: QWidget(parent)
{
diff --git a/widgethelpers.h b/widgethelpers.h
index f0fe5a5..c5eeb6d 100644
--- a/widgethelpers.h
+++ b/widgethelpers.h
@@ -24,6 +24,7 @@
#include <QTimer>
#include <QMouseEvent>
#include <QPainter>
+#include <QPixmap>
class FadeOutable : public QWidget
{
@@ -60,6 +61,34 @@ private:
};
+class Blinkable : public QWidget
+{
+ Q_OBJECT
+public:
+ explicit Blinkable(QWidget* parent = nullptr);
+ ~Blinkable();
+
+ void start();
+ void stop();
+
+ void setBlinkTime(const quint64 ms) { blinkTime_ = ms; }
+ void setPixmap(QPixmap* pixmap) { pixmap_ = pixmap; }
+ void unsetPixmap() { pixmap_ = nullptr; }
+
+protected:
+ void paintEvent(QPaintEvent *event);
+
+private slots:
+ void slotAnimationFinished();
+
+private:
+ FadeAnimation* fadeAnimation_;
+
+ quint64 blinkTime_{ 1000 };
+ QPixmap* pixmap_{ nullptr };
+ QMetaObject::Connection connection_;
+};
+
class VignetteWidget : public QWidget
{
Q_OBJECT
--
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