SarasasChipWorkshop/sarasacw-picture
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feat: change application style

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- change default dark theme to light
- disable dark mode on windows 10 because Qt's windows 11 theme has bad support on windows 10 (icon display error)
- level required minimum qt version up to 6.5 for color schema.
This commit is contained in:
yyc12345
2026-07-08 20:15:22 +08:00
parent c06f900ac5
commit 46f46480cb
10 changed files with 139 additions and 33 deletions
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44
app/graphicsscene.cpp
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@@ -6,6 +6,9 @@
#include "settings.h"
#include <QStyleHints>
#include <QOperatingSystemVersion>
#include <QGuiApplication>
#include <QGraphicsSceneMouseEvent>
#include <QMimeData>
#include <QDebug>
@@ -16,6 +19,33 @@
#include <QMovie>
#include <QPainter>
static const QColor& ColorSchemaToTextForeground(Qt::ColorScheme colorScheme) {
// YYC MARK:
// If we are using Windows 10 and lower system or Qt which do not support "Windows 11"
// theme (lower than Qt 6.7), we should only support light mode.
// Because Qt's dark-mode-aware "Windows 11" theme is only well-supported on Windows 11.
#if defined(Q_OS_WIN)
#if QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
colorScheme = Qt::ColorScheme::Light;
#else
if (QOperatingSystemVersion::current() < QOperatingSystemVersion::Windows11) {
colorScheme = Qt::ColorScheme::Light;
}
#endif // QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
#endif // defined(Q_OS_WIN)
switch (colorScheme) {
case Qt::ColorScheme::Dark:
static QColor WHITE = QColor("White");
return WHITE;
case Qt::ColorScheme::Light:
case Qt::ColorScheme::Unknown:
default:
static QColor BLACK = QColor("Black");
return BLACK;
}
}
class PGraphicsPixmapItem : public QGraphicsPixmapItem
{
public:
@@ -100,6 +130,7 @@ GraphicsScene::GraphicsScene(QObject *parent)
: QGraphicsScene(parent)
{
showText(tr("Drag image here"));
connect(qGuiApp->styleHints(), &QStyleHints::colorSchemeChanged, this, &GraphicsScene::updateStyle);
}
GraphicsScene::~GraphicsScene()
@@ -121,7 +152,7 @@ void GraphicsScene::showText(const QString &text)
{
this->clear();
QGraphicsTextItem * textItem = this->addText(text);
textItem->setDefaultTextColor(QColor("White"));
textItem->setDefaultTextColor(ColorSchemaToTextForeground(qGuiApp->styleHints()->colorScheme()));
m_theThing = textItem;
this->setSceneRect(m_theThing->boundingRect());
}
@@ -206,3 +237,14 @@ QPixmap GraphicsScene::renderToPixmap()
return pixmap;
}
void GraphicsScene::updateStyle(Qt::ColorScheme colorScheme) {
Q_UNUSED(colorScheme)
QGraphicsItem * item = this->m_theThing;
if (item == nullptr) return;
QGraphicsTextItem * textItem = qgraphicsitem_cast<QGraphicsTextItem*>(item);
if (textItem == nullptr) return;
textItem->setDefaultTextColor(ColorSchemaToTextForeground(colorScheme));
}