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This commit is contained in:
Jonas Kvinge
2021-06-12 16:06:30 +02:00
parent 0caf76dfae
commit b911f4f34e
5 changed files with 81 additions and 72 deletions
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119
src/widgets/volumeslider.cpp
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@@ -50,9 +50,9 @@
SliderSlider::SliderSlider(Qt::Orientation orientation, QWidget* parent, uint max)
: QSlider(orientation, parent),
m_sliding(false),
m_outside(false),
m_prevValue(0) {
sliding_(false),
outside_(false),
prev_value_(0) {
setRange(0, max);
}
@@ -76,22 +76,23 @@ void SliderSlider::wheelEvent(QWheelEvent *e) {
void SliderSlider::mouseMoveEvent(QMouseEvent *e) {
if (m_sliding) {
if (sliding_) {
// feels better, but using set value of 20 is bad of course
QRect rect(-20, -20, width() + 40, height() + 40);
if (orientation() == Qt::Horizontal && !rect.contains(e->pos())) {
if (!m_outside) QSlider::setValue(m_prevValue);
m_outside = true;
if (!outside_) QSlider::setValue(prev_value_);
outside_ = true;
}
else {
m_outside = false;
outside_ = false;
slideEvent(e);
emit sliderMoved(value());
}
}
else
else {
QSlider::mouseMoveEvent(e);
}
}
@@ -124,8 +125,8 @@ void SliderSlider::mousePressEvent(QMouseEvent *e) {
initStyleOption(&option);
QRect sliderRect(style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderHandle, this));
m_sliding = true;
m_prevValue = QSlider::value();
sliding_ = true;
prev_value_ = QSlider::value();
if (!sliderRect.contains(e->pos())) mouseMoveEvent(e);
@@ -133,21 +134,24 @@ void SliderSlider::mousePressEvent(QMouseEvent *e) {
void SliderSlider::mouseReleaseEvent(QMouseEvent*) {
if (!m_outside && QSlider::value() != m_prevValue)
if (!outside_ && QSlider::value() != prev_value_)
emit sliderReleased(value());
m_sliding = false;
m_outside = false;
sliding_ = false;
outside_ = false;
}
void SliderSlider::setValue(int newValue) {
// don't adjust the slider while the user is dragging it!
if (!m_sliding || m_outside)
if (!sliding_ || outside_) {
QSlider::setValue(adjustValue(newValue));
else
m_prevValue = newValue;
}
else {
prev_value_ = newValue;
}
}
//////////////////////////////////////////////////////////////////////////////////////////
@@ -157,28 +161,31 @@ void SliderSlider::setValue(int newValue) {
#define THICKNESS 7
#define MARGIN 3
PrettySlider::PrettySlider(Qt::Orientation orientation, SliderMode mode, QWidget *parent, uint max)
PrettySlider::PrettySlider(const Qt::Orientation orientation, const SliderMode mode, QWidget *parent, const uint max)
: SliderSlider(orientation, parent, max), m_mode(mode) {
if (m_mode == Pretty) {
setFocusPolicy(Qt::NoFocus);
}
}
void PrettySlider::mousePressEvent(QMouseEvent *e) {
SliderSlider::mousePressEvent(e);
slideEvent(e);
}
void PrettySlider::slideEvent(QMouseEvent *e) {
if (m_mode == Pretty)
QSlider::setValue(
orientation() == Qt::Horizontal
? QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().x(), width() - 2)
: QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().y(), height() - 2));
else
if (m_mode == Pretty) {
QSlider::setValue(orientation() == Qt::Horizontal ? QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().x(), width() - 2) : QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().y(), height() - 2));
}
else {
SliderSlider::slideEvent(e);
}
}
@@ -209,24 +216,25 @@ QSize PrettySlider::sizeHint() const {
/// CLASS VolumeSlider
//////////////////////////////////////////////////////////////////////////////////////////
VolumeSlider::VolumeSlider(QWidget *parent, uint max)
VolumeSlider::VolumeSlider(QWidget *parent, const uint max)
: SliderSlider(Qt::Horizontal, parent, max),
m_animCount(0),
m_animTimer(new QTimer(this)),
m_pixmapInset(QPixmap(drawVolumePixmap ())) {
anim_count_(0),
timer_anim_(new QTimer(this)),
pixmap_inset_(QPixmap(drawVolumePixmap())) {
setFocusPolicy(Qt::NoFocus);
// Store theme colors to check theme change at paintEvent
m_previous_theme_text_color = palette().color(QPalette::WindowText);
m_previous_theme_highlight_color = palette().color(QPalette::Highlight);
previous_theme_text_color_ = palette().color(QPalette::WindowText);
previous_theme_highlight_color_ = palette().color(QPalette::Highlight);
drawVolumeSliderHandle();
generateGradient();
setMinimumWidth(m_pixmapInset.width());
setMinimumHeight(m_pixmapInset.height());
setMinimumWidth(pixmap_inset_.width());
setMinimumHeight(pixmap_inset_.height());
QObject::connect(m_animTimer, &QTimer::timeout, this, &VolumeSlider::slotAnimTimer);
QObject::connect(timer_anim_, &QTimer::timeout, this, &VolumeSlider::slotAnimTimer);
}
@@ -251,21 +259,21 @@ void VolumeSlider::generateGradient() {
p.drawImage(0, 0, mask);
p.end();
m_pixmapGradient = QPixmap::fromImage(gradient_image);
pixmap_gradient_ = QPixmap::fromImage(gradient_image);
}
void VolumeSlider::slotAnimTimer() {
if (m_animEnter) {
m_animCount++;
if (anim_enter_) {
++anim_count_;
update();
if (m_animCount == ANIM_MAX - 1) m_animTimer->stop();
if (anim_count_ == ANIM_MAX - 1) timer_anim_->stop();
}
else {
m_animCount--;
--anim_count_;
update();
if (m_animCount == 0) m_animTimer->stop();
if (anim_count_ == 0) timer_anim_->stop();
}
}
@@ -319,19 +327,19 @@ void VolumeSlider::paintEvent(QPaintEvent*) {
const int offset = int(double((width() - 2 * padding) * value()) / maximum());
// If theme changed since last paintEvent, redraw the volume pixmap with new theme colors
if (m_previous_theme_text_color != palette().color(QPalette::WindowText)) {
m_pixmapInset = drawVolumePixmap();
m_previous_theme_text_color = palette().color(QPalette::WindowText);
if (previous_theme_text_color_ != palette().color(QPalette::WindowText)) {
pixmap_inset_ = drawVolumePixmap();
previous_theme_text_color_ = palette().color(QPalette::WindowText);
}
if (m_previous_theme_highlight_color != palette().color(QPalette::Highlight)) {
if (previous_theme_highlight_color_ != palette().color(QPalette::Highlight)) {
drawVolumeSliderHandle();
m_previous_theme_highlight_color = palette().color(QPalette::Highlight);
previous_theme_highlight_color_ = palette().color(QPalette::Highlight);
}
p.drawPixmap(0, 0, m_pixmapGradient, 0, 0, offset + padding, 0);
p.drawPixmap(0, 0, m_pixmapInset);
p.drawPixmap(offset - m_handlePixmaps[0].width() / 2 + padding, 0, m_handlePixmaps[m_animCount]);
p.drawPixmap(0, 0, pixmap_gradient_, 0, 0, offset + padding, 0);
p.drawPixmap(0, 0, pixmap_inset_);
p.drawPixmap(offset - handle_pixmaps_[0].width() / 2 + padding, 0, handle_pixmaps_[anim_count_]);
// Draw percentage number
QStyleOptionViewItem opt;
@@ -350,20 +358,20 @@ void VolumeSlider::enterEvent(QEnterEvent*) {
void VolumeSlider::enterEvent(QEvent*) {
#endif
m_animEnter = true;
m_animCount = 0;
anim_enter_ = true;
anim_count_ = 0;
m_animTimer->start(ANIM_INTERVAL);
timer_anim_->start(ANIM_INTERVAL);
}
void VolumeSlider::leaveEvent(QEvent*) {
// This can happen if you enter and leave the widget quickly
if (m_animCount == 0) m_animCount = 1;
if (anim_count_ == 0) anim_count_ = 1;
m_animEnter = false;
m_animTimer->start(ANIM_INTERVAL);
anim_enter_ = false;
timer_anim_->start(ANIM_INTERVAL);
}
@@ -388,6 +396,7 @@ QPixmap VolumeSlider::drawVolumePixmap () const {
path.addPolygon(poly);
painter.drawPolygon(poly);
painter.drawLine(6, 29, 104, 29);
// Return QPixmap
return pixmap;
@@ -404,7 +413,7 @@ void VolumeSlider::drawVolumeSliderHandle() {
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
// repaint volume slider handle glow image with theme highlight color
// Repaint volume slider handle glow image with theme highlight color
painter.fillRect(pixmapHandleGlow_image.rect(), QBrush(palette().color(QPalette::Highlight)));
painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
painter.drawImage(0, 0, pixmapHandleGlow);
@@ -417,7 +426,7 @@ void VolumeSlider::drawVolumeSliderHandle() {
float opacity = 0.0;
const float step = 1.0 / ANIM_MAX;
QImage dst;
m_handlePixmaps.clear();
handle_pixmaps_.clear();
for (int i = 0; i < ANIM_MAX; ++i) {
dst = pixmapHandle.copy();
@@ -426,7 +435,7 @@ void VolumeSlider::drawVolumeSliderHandle() {
p.drawImage(0, 0, pixmapHandleGlow_image);
p.end();
m_handlePixmaps.append(QPixmap::fromImage(dst));
handle_pixmaps_.append(QPixmap::fromImage(dst));
opacity += step;
}
// END