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Fixed value display bug.

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This commit is contained in:
Christoph Holzheuer
2026-01-21 17:07:00 +01:00
parent 07c235afa2
commit ab4abd214e
8 changed files with 289 additions and 182 deletions
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151
bcsliderstyle.h
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@@ -61,152 +61,23 @@
// Fluent Design Slider Style
class BCSliderStyle : public QProxyStyle
{
public:
BCSliderStyle()
: QProxyStyle()
{}
BCSliderStyle();
int pixelMetric(PixelMetric metric, const QStyleOption* option = nullptr, const QWidget* widget = nullptr) const override
{
switch (metric)
{
case PM_SliderThickness:
return 24; // Höhe für horizontalen Slider
case PM_SliderLength:
return 16; // Handle-Größe
case PM_SliderControlThickness:
return 16;
case PM_SliderSpaceAvailable:
if (option)
{
if (const QStyleOptionSlider* sliderOpt = qstyleoption_cast<const QStyleOptionSlider*>(option))
{
return sliderOpt->rect.width() - 20;
}
}
return QProxyStyle::pixelMetric(metric, option, widget);
int pixelMetric(PixelMetric metric, const QStyleOption* option = nullptr, const QWidget* widget = nullptr) const override;
default:
return QProxyStyle::pixelMetric(metric, option, widget);
}
}
QRect subControlRect(ComplexControl cc, const QStyleOptionComplex* opt, SubControl sc, const QWidget* widget) const override;
void drawComplexControl(ComplexControl control, const QStyleOptionComplex* option, QPainter* painter, const QWidget* widget) const override;
void drawHorizontalFluentSlider(QPainter* painter,
const QStyleOptionSlider* slider,
const QColor& activeColor,
const QColor& inactiveColor,
const QColor& bgColor) const;
QRect subControlRect(ComplexControl cc, const QStyleOptionComplex* opt,SubControl sc, const QWidget* widget) const override
{
if (cc == CC_Slider) {
if (const QStyleOptionSlider* slider = qstyleoption_cast<const QStyleOptionSlider*>(opt))
{
QRect rect = slider->rect;
int handleSize = 16;
if (sc == SC_SliderHandle) {
// Handle Position korrekt berechnen
if (slider->orientation == Qt::Horizontal) {
int range = slider->maximum - slider->minimum;
int pos = slider->sliderPosition - slider->minimum;
int pixelRange = rect.width() - handleSize;
int pixelPos = (range != 0) ? (pos * pixelRange) / range : 0;
return QRect(rect.x() + pixelPos,
rect.center().y() - handleSize / 2,
handleSize, handleSize);
} else {
int range = slider->maximum - slider->minimum;
int pos = slider->sliderPosition - slider->minimum;
int pixelRange = rect.height() - handleSize;
int pixelPos = (range != 0) ? (pos * pixelRange) / range : 0;
return QRect(rect.center().x() - handleSize / 2,
rect.bottom() - pixelPos - handleSize,
handleSize, handleSize);
}
}
}
}
return QProxyStyle::subControlRect(cc, opt, sc, widget);
}
void drawComplexControl(ComplexControl control, const QStyleOptionComplex* option, QPainter* painter, const QWidget* widget) const override
{
if (control == CC_Slider)
{
if (const QStyleOptionSlider* slider = qstyleoption_cast<const QStyleOptionSlider*>(option)) {
painter->setRenderHint(QPainter::Antialiasing);
// Fluent Colors
QColor accentColor(0, 120, 212); // #0078D4
QColor inactiveColor(138, 136, 134); // #8A8886
QColor bgColor(255, 255, 255); // White background
//QColor disabledText = option.palette.color(QPalette::Disabled, QPalette::Text);
//painter->setBrush(disabledText);
//QColor bgColor = Qt::green;//option->palette.color(QPalette::Base);
drawHorizontalFluentSlider(painter, slider, accentColor, inactiveColor, bgColor);
return;
}
}
QProxyStyle::drawComplexControl(control, option, painter, widget);
}
private:
void drawHorizontalFluentSlider(QPainter* painter, const QStyleOptionSlider* slider,
const QColor& activeColor, const QColor& inactiveColor,
const QColor& bgColor) const
{
QRect groove = slider->rect;
QRect handle = subControlRect(CC_Slider, slider, SC_SliderHandle, nullptr);
int grooveHeight = 4;
// Track sollte im Widget-Zentrum sein, nicht im groove-Zentrum
int grooveY = slider->rect.center().y() - grooveHeight / 2;
// Full background track
QRect fullTrack(groove.left(), grooveY, groove.width(), grooveHeight);
painter->setPen(Qt::NoPen);
painter->setBrush(inactiveColor.lighter(150));
painter->drawRoundedRect(fullTrack, grooveHeight / 2, grooveHeight / 2);
// Active track (filled portion)
int activeWidth = handle.center().x() - groove.left();
QRect activeTrack(groove.left(), grooveY, activeWidth, grooveHeight);
painter->setBrush(activeColor);
painter->drawRoundedRect(activeTrack, grooveHeight / 2, grooveHeight / 2);
// Handle (Thumb) - Fluent style is more subtle
int handleSize = 16;
QRect thumbRect(handle.center().x() - handleSize / 2,
handle.center().y() - handleSize / 2,
handleSize, handleSize);
// Hover effect - subtle glow
if (slider->state & State_MouseOver)
{
painter->setBrush(QColor(activeColor.red(), activeColor.green(),
activeColor.blue(), 30));
int glowSize = 18;
QRect glow(handle.center().x() - glowSize / 2,
handle.center().y() - glowSize / 2,
glowSize, glowSize);
painter->drawEllipse(glow);
}
// Thumb
painter->setBrush(bgColor);
painter->setPen(QPen(activeColor, 2));
painter->drawEllipse(thumbRect);
// Inner circle for pressed state
if (slider->state & State_Sunken) {
int innerSize = 6;
QRect inner(handle.center().x() - innerSize / 2,
handle.center().y() - innerSize / 2,
innerSize, innerSize);
painter->setPen(Qt::NoPen);
painter->setBrush(activeColor);
painter->drawEllipse(inner);
}
}
static void drawSliderIndicator( QPainter* painter, QRect& groove );
};