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fix: compat for older Qt (lower than 5.13)

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This commit is contained in:
Gary Wang 2021-03-01 13:11:17 +08:00
parent b146150528
commit 552d0fe072
1 changed files with 9 additions and 2 deletions
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11
app/graphicsview.cpp
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@ -9,6 +9,13 @@
#include <QImageReader> #include <QImageReader>
#include <QStyleOptionGraphicsItem> #include <QStyleOptionGraphicsItem>
// TODO: remove this once we drop older Qt support.
#if QT_VERSION_CHECK(5, 13, 0)
#define COMPAT_CONSTCOLOR constexpr
#else
#define COMPAT_CONSTCOLOR const
#endif
GraphicsView::GraphicsView(QWidget *parent) GraphicsView::GraphicsView(QWidget *parent)
: QGraphicsView (parent) : QGraphicsView (parent)
{ {
@ -303,8 +310,8 @@ void GraphicsView::setCheckerboardEnabled(bool enabled, bool invertColor)
QPixmap tilePixmap(0x20, 0x20); QPixmap tilePixmap(0x20, 0x20);
tilePixmap.fill(invertColor ? QColor(220, 220, 220, 170) : QColor(35, 35, 35, 170)); tilePixmap.fill(invertColor ? QColor(220, 220, 220, 170) : QColor(35, 35, 35, 170));
QPainter tilePainter(&tilePixmap); QPainter tilePainter(&tilePixmap);
constexpr QColor color(45, 45, 45, 170); COMPAT_CONSTCOLOR QColor color(45, 45, 45, 170);
constexpr QColor invertedColor(210, 210, 210, 170); COMPAT_CONSTCOLOR QColor invertedColor(210, 210, 210, 170);
tilePainter.fillRect(0, 0, 0x10, 0x10, invertColor ? invertedColor : color); tilePainter.fillRect(0, 0, 0x10, 0x10, invertColor ? invertedColor : color);
tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, invertColor ? invertedColor : color); tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, invertColor ? invertedColor : color);
tilePainter.end(); tilePainter.end();