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Fix proxy icon on retina and on theme changes. 

Fixes #4668.
This commit is contained in:
John Preston 2018-05-10 13:34:06 +03:00
parent 296e009808
commit 5c5bccae0b
1 changed files with 18 additions and 1 deletions
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19
Telegram/SourceFiles/window/window_connecting_widget.cpp
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@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "ui/widgets/buttons.h" #include "ui/widgets/buttons.h"
#include "ui/effects/radial_animation.h" #include "ui/effects/radial_animation.h"
#include "window/themes/window_theme.h"
#include "boxes/connection_box.h" #include "boxes/connection_box.h"
#include "lang/lang_keys.h" #include "lang/lang_keys.h"
#include "styles/style_window.h" #include "styles/style_window.h"
@ -65,7 +66,9 @@ void Progress::step(TimeMs ms, bool timer) {
} // namespace } // namespace
class ConnectingWidget::ProxyIcon : public Ui::RpWidget { class ConnectingWidget::ProxyIcon
: public Ui::RpWidget
, private base::Subscriber {
public: public:
ProxyIcon(QWidget *parent); ProxyIcon(QWidget *parent);
@ -76,6 +79,8 @@ protected:
void paintEvent(QPaintEvent *e) override; void paintEvent(QPaintEvent *e) override;
private: private:
void refreshCacheImages();
float64 _opacity = 1.; float64 _opacity = 1.;
QPixmap _cacheOn; QPixmap _cacheOn;
QPixmap _cacheOff; QPixmap _cacheOff;
@ -92,10 +97,22 @@ ConnectingWidget::ProxyIcon::ProxyIcon(QWidget *parent) : RpWidget(parent) {
st::connectingRadial.size.height(), st::connectingRadial.size.height(),
st::connectingProxyOn.height())); st::connectingProxyOn.height()));
using namespace Window::Theme;
subscribe(Background(), [=](const BackgroundUpdate &update) {
if (update.paletteChanged()) {
refreshCacheImages();
}
});
refreshCacheImages();
}
void ConnectingWidget::ProxyIcon::refreshCacheImages() {
const auto prepareCache = [&](const style::icon &icon) { const auto prepareCache = [&](const style::icon &icon) {
auto image = QImage( auto image = QImage(
size() * cIntRetinaFactor(), size() * cIntRetinaFactor(),
QImage::Format_ARGB32_Premultiplied); QImage::Format_ARGB32_Premultiplied);
image.setDevicePixelRatio(cRetinaFactor());
image.fill(st::windowBg->c); image.fill(st::windowBg->c);
{ {
Painter p(&image); Painter p(&image);