Show badge in SideBarButton.

This commit is contained in:
John Preston 2020-03-16 16:12:13 +04:00
parent d2611d7e85
commit 4b6b328130
3 changed files with 76 additions and 4 deletions

View file

@ -36,11 +36,19 @@ void SideBarButton::setActive(bool active) {
update();
}
void SideBarButton::setBadge(const QString &badge) {
if (_badge.toString() == badge) {
void SideBarButton::setBadge(const QString &badge, bool muted) {
if (_badge.toString() == badge && _badgeMuted == muted) {
return;
}
_badge.setText(_st.badgeStyle, badge);
_badgeMuted = muted;
const auto width = badge.isEmpty()
? 0
: std::max(_st.badgeHeight, _badge.maxWidth() + 2 * _st.badgeSkip);
if (_iconCacheBadgeWidth != width) {
_iconCacheBadgeWidth = width;
_iconCache = _iconCacheActive = QImage();
}
update();
}
@ -66,7 +74,12 @@ void SideBarButton::paintEvent(QPaintEvent *e) {
const auto y = (_st.iconPosition.y() < 0)
? (height() - icon.height()) / 2
: _st.iconPosition.y();
icon.paint(p, x, y, width());
if (_iconCacheBadgeWidth) {
validateIconCache();
p.drawImage(x, y, _active ? _iconCacheActive : _iconCache);
} else {
icon.paint(p, x, y, width());
}
p.setPen(_active ? _st.textFgActive : _st.textFg);
_text.drawElided(
p,
@ -75,6 +88,55 @@ void SideBarButton::paintEvent(QPaintEvent *e) {
(width() - 2 * _st.textSkip),
kMaxLabelLines,
style::al_top);
if (_iconCacheBadgeWidth) {
const auto x = width() / 2 + _st.badgePosition.x();
const auto y = _st.badgePosition.y();
auto hq = PainterHighQualityEnabler(p);
p.setPen(Qt::NoPen);
p.setBrush((_badgeMuted && !_active)
? _st.badgeBgMuted
: _st.badgeBg);
const auto r = _st.badgeHeight / 2;
p.drawRoundedRect(x, y, _iconCacheBadgeWidth, _st.badgeHeight, r, r);
p.setPen(_st.badgeFg);
_badge.draw(
p,
x + (_iconCacheBadgeWidth - _badge.maxWidth()) / 2,
y + (_st.badgeHeight - _st.badgeStyle.font->height) / 2,
width());
}
}
void SideBarButton::validateIconCache() {
Expects(_st.iconPosition.x() < 0);
Expects(_st.iconPosition.y() >= 0);
if (!(_active ? _iconCacheActive : _iconCache).isNull()) {
return;
}
const auto &icon = _active ? _st.iconActive : _st.icon;
auto image = QImage(
icon.size() * style::DevicePixelRatio(),
QImage::Format_ARGB32_Premultiplied);
image.fill(Qt::transparent);
{
auto p = QPainter(&image);
icon.paint(p, 0, 0, icon.width());
p.setCompositionMode(QPainter::CompositionMode_Source);
p.setBrush(Qt::transparent);
auto pen = QPen(Qt::transparent);
pen.setWidth(2 * _st.badgeStroke);
p.setPen(pen);
auto hq = PainterHighQualityEnabler(p);
const auto x = (icon.width() / 2) + _st.badgePosition.x();
const auto y = _st.badgePosition.y() - _st.iconPosition.y();
const auto r = _st.badgeHeight / 2.;
p.drawRoundedRect(x, y, _iconCacheBadgeWidth, _st.badgeHeight, r, r);
}
(_active ? _iconCacheActive : _iconCache) = std::move(image);
}
} // namespace Ui

View file

@ -25,17 +25,23 @@ public:
const style::SideBarButton &st);
void setActive(bool active);
void setBadge(const QString &badge);
void setBadge(const QString &badge, bool muted);
int resizeGetHeight(int newWidth) override;
private:
void paintEvent(QPaintEvent *e) override;
void validateIconCache();
const style::SideBarButton &_st;
Ui::Text::String _text;
Ui::Text::String _badge;
QImage _iconCache;
QImage _iconCacheActive;
int _iconCacheBadgeWidth = 0;
bool _active = false;
bool _badgeMuted = false;
};
//

View file

@ -554,6 +554,10 @@ SideBarButton {
minHeight: pixels;
style: TextStyle;
badgeStyle: TextStyle;
badgeSkip: pixels;
badgeHeight: pixels;
badgeStroke: pixels;
badgePosition: point;
textBg: color;
textBgActive: color;
textFg: color;