tdesktop/Telegram/SourceFiles/profile/profile_back_button.cpp
2018-02-08 12:20:46 +03:00

63 lines
1.8 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "profile/profile_back_button.h"
//#include "history/view/history_view_top_bar_widget.h"
#include "styles/style_widgets.h"
#include "styles/style_window.h"
#include "styles/style_profile.h"
#include "styles/style_info.h"
namespace Profile {
BackButton::BackButton(QWidget *parent, const QString &text) : Ui::AbstractButton(parent)
, _text(text.toUpper()) {
setCursor(style::cur_pointer);
subscribe(Adaptive::Changed(), [this] { updateAdaptiveLayout(); });
updateAdaptiveLayout();
}
void BackButton::setText(const QString &text) {
_text = text.toUpper();
update();
}
int BackButton::resizeGetHeight(int newWidth) {
return st::profileTopBarHeight;
}
void BackButton::paintEvent(QPaintEvent *e) {
Painter p(this);
p.fillRect(e->rect(), st::profileBg);
st::topBarBack.paint(p, (st::topBarArrowPadding.left() - st::topBarBack.width()) / 2, (st::topBarHeight - st::topBarBack.height()) / 2, width());
p.setFont(st::topBarButton.font);
p.setPen(st::topBarButton.textFg);
p.drawTextLeft(st::topBarArrowPadding.left(), st::topBarButton.padding.top() + st::topBarButton.textTop, width(), _text);
}
void BackButton::onStateChanged(State was, StateChangeSource source) {
if (isDown() && !(was & StateFlag::Down)) {
emit clicked();
}
}
void BackButton::updateAdaptiveLayout() {
if (!Adaptive::OneColumn()) {
unsubscribe(base::take(_unreadCounterSubscription));
} else if (!_unreadCounterSubscription) {
_unreadCounterSubscription = subscribe(Global::RefUnreadCounterUpdate(), [this] {
rtlupdate(0, 0, st::titleUnreadCounterRight, st::titleUnreadCounterTop);
});
}
}
} // namespace Profile