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refactor: Make MaskablePixmapWidget allow to apply style

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This commit is contained in:
Diadlo 2017-11-24 09:21:42 +03:00
parent 91dabf11d3
commit 73dcbd2e60
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GPG Key ID: 5AF9F2E29107C727
2 changed files with 43 additions and 26 deletions
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55
src/widget/maskablepixmapwidget.cpp
View File

@ -19,6 +19,7 @@
#include "maskablepixmapwidget.h" #include "maskablepixmapwidget.h"
#include <QPainter> #include <QPainter>
#include <QStyle>
/** /**
* @var QPixmap* MaskablePixmapWidget::renderTarget * @var QPixmap* MaskablePixmapWidget::renderTarget
@ -26,7 +27,7 @@
*/ */
MaskablePixmapWidget::MaskablePixmapWidget(QWidget* parent, QSize size, QString maskName) MaskablePixmapWidget::MaskablePixmapWidget(QWidget* parent, QSize size, QString maskName)
: QWidget(parent) : QLabel("", parent)
, renderTarget(nullptr) , renderTarget(nullptr)
, maskName(maskName) , maskName(maskName)
, clickable(false) , clickable(false)
@ -43,20 +44,25 @@ void MaskablePixmapWidget::setClickable(bool clickable)
{ {
this->clickable = clickable; this->clickable = clickable;
if (clickable) if (clickable) {
setCursor(Qt::PointingHandCursor); setCursor(Qt::PointingHandCursor);
else } else {
unsetCursor(); unsetCursor();
}
} }
void MaskablePixmapWidget::setPixmap(const QPixmap& pmap) void MaskablePixmapWidget::setPixmap(const QPixmap& pmap)
{ {
if (!pmap.isNull()) { if (pmap.isNull()) {
unscaled = pmap; return;
pixmap = pmap.scaled(width() - 2, height() - 2, Qt::KeepAspectRatioByExpanding,
Qt::SmoothTransformation);
update();
} }
unscaled = pmap;
pixmap = pmap.scaled(width() - 2, height() - 2,
Qt::KeepAspectRatioByExpanding,
Qt::SmoothTransformation);
updatePixmap();
update();
} }
QPixmap MaskablePixmapWidget::getPixmap() const QPixmap MaskablePixmapWidget::getPixmap() const
@ -71,17 +77,35 @@ void MaskablePixmapWidget::setSize(QSize size)
renderTarget = new QPixmap(size); renderTarget = new QPixmap(size);
QPixmap pmapMask = QPixmap(maskName); QPixmap pmapMask = QPixmap(maskName);
if (!pmapMask.isNull()) if (!pmapMask.isNull()) {
mask = pmapMask.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); mask = pmapMask.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
if (!unscaled.isNull()) { if (!unscaled.isNull()) {
pixmap = unscaled.scaled(width() - 2, height() - 2, Qt::KeepAspectRatioByExpanding, pixmap = unscaled.scaled(width() - 2, height() - 2,
Qt::KeepAspectRatioByExpanding,
Qt::SmoothTransformation); Qt::SmoothTransformation);
updatePixmap();
update(); update();
} }
} }
void MaskablePixmapWidget::paintEvent(QPaintEvent*)
void MaskablePixmapWidget::paintEvent(QPaintEvent* e)
{
QLabel::setPixmap(*renderTarget);
QLabel::paintEvent(e);
}
void MaskablePixmapWidget::mousePressEvent(QMouseEvent*)
{
if (clickable) {
emit clicked();
}
}
void MaskablePixmapWidget::updatePixmap()
{ {
renderTarget->fill(Qt::transparent); renderTarget->fill(Qt::transparent);
@ -94,13 +118,4 @@ void MaskablePixmapWidget::paintEvent(QPaintEvent*)
painter.setCompositionMode(QPainter::CompositionMode_DestinationIn); painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
painter.drawPixmap(0, 0, mask); painter.drawPixmap(0, 0, mask);
painter.end(); painter.end();
painter.begin(this);
painter.drawPixmap(0, 0, *renderTarget);
}
void MaskablePixmapWidget::mousePressEvent(QMouseEvent*)
{
if (clickable)
emit clicked();
} }

14
src/widget/maskablepixmapwidget.h
View File

@ -20,14 +20,14 @@
#ifndef MASKABLEPIXMAPWIDGET_H #ifndef MASKABLEPIXMAPWIDGET_H
#define MASKABLEPIXMAPWIDGET_H #define MASKABLEPIXMAPWIDGET_H
#include <QWidget> #include <QLabel>
class MaskablePixmapWidget final : public QWidget class MaskablePixmapWidget final : public QLabel
{ {
Q_OBJECT Q_OBJECT
public: public:
MaskablePixmapWidget(QWidget* parent, QSize size, QString maskName = QString()); MaskablePixmapWidget(QWidget* parent, QSize size, QString maskName = QString());
~MaskablePixmapWidget(); ~MaskablePixmapWidget() override;
void autopickBackground(); void autopickBackground();
void setClickable(bool clickable); void setClickable(bool clickable);
void setPixmap(const QPixmap& pmap); void setPixmap(const QPixmap& pmap);
@ -38,13 +38,15 @@ signals:
void clicked(); void clicked();
protected: protected:
virtual void paintEvent(QPaintEvent*) final override; void paintEvent(QPaintEvent*) final override;
virtual void mousePressEvent(QMouseEvent*) final override; void mousePressEvent(QMouseEvent*) final override;
private:
void updatePixmap();
private: private:
QPixmap pixmap, mask, unscaled; QPixmap pixmap, mask, unscaled;
QPixmap* renderTarget; QPixmap* renderTarget;
QSize size;
QString maskName; QString maskName;
bool clickable; bool clickable;
}; };