mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2026-07-25 06:54:43 +00:00
23rd
137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "profile/profile_back_button.h"
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#include "ui/painter.h"
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#include "styles/style_widgets.h"
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#include "styles/style_window.h"
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#include "styles/style_profile.h"
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#include "styles/style_info.h"
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#include "styles/style_chat.h"
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#include "styles/style_dialogs.h"
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#include <QGraphicsOpacityEffect>
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namespace Profile {
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BackButton::BackButton(QWidget *parent) : Ui::AbstractButton(parent) {
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setCursor(style::cur_pointer);
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}
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void BackButton::setText(const QString &text) {
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_text = text;
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_cachedWidth = -1;
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update();
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}
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void BackButton::setSubtext(const QString &subtext) {
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_subtext = subtext;
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_cachedWidth = -1;
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update();
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}
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void BackButton::setWidget(not_null<Ui::RpWidget*> widget) {
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_widget = widget;
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_widget->setParent(this);
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_widget->show();
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_widget->move(
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st::historyAdminLogTopBarLeft + st::historyAdminLogTopBarUserpicSkip,
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(st::profileTopBarHeight - _widget->height()) / 2);
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_cachedWidth = -1;
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update();
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}
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void BackButton::setOpacity(float64 opacity) {
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_opacity = opacity;
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if (_widget) {
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if (opacity < 1.) {
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if (!_opacityEffect) {
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_opacityEffect = Ui::CreateChild<QGraphicsOpacityEffect>(
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_widget);
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_widget->setGraphicsEffect(_opacityEffect);
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}
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_opacityEffect->setOpacity(opacity);
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} else {
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_widget->setGraphicsEffect(nullptr);
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_opacityEffect = nullptr;
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}
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}
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update();
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}
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int BackButton::resizeGetHeight(int newWidth) {
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_cachedWidth = -1;
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return st::profileTopBarHeight;
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}
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void BackButton::updateCache() {
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if (_cachedWidth == width()) {
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return;
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}
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_cachedWidth = width();
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const auto widgetWidth = _widget
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? _widget->width() + st::historyAdminLogTopBarUserpicSkip
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: 0;
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const auto availableWidth = width()
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- st::historyAdminLogTopBarLeft
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- widgetWidth;
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_cachedElidedText = st::semiboldFont->elided(
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_text,
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availableWidth);
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_cachedElidedSubtext = st::dialogsTextFont->elided(
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_subtext,
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availableWidth);
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}
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void BackButton::paintEvent(QPaintEvent *e) {
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updateCache();
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auto p = Painter(this);
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p.fillRect(e->rect(), st::profileBg);
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st::topBarBack.paint(
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p,
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st::historyAdminLogTopBarLeft,
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(st::topBarHeight - st::topBarBack.height()) / 2,
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width());
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p.setOpacity(_opacity);
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const auto textHeight = st::semiboldFont->height;
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const auto subtextHeight = st::dialogsTextFont->height;
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const auto totalHeight = _subtext.isEmpty()
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? textHeight
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: textHeight + subtextHeight;
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const auto startY = (height() - totalHeight) / 2 - st::lineWidth;
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const auto widgetWidth = _widget
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? _widget->width() + st::historyAdminLogTopBarUserpicSkip
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: 0;
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const auto textX = st::historyAdminLogTopBarLeft + widgetWidth;
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p.setFont(st::semiboldFont);
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p.setPen(st::dialogsNameFg);
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p.drawTextLeft(textX, startY, width(), _cachedElidedText);
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if (!_subtext.isEmpty()) {
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p.setFont(st::dialogsTextFont);
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p.setPen(st::historyStatusFg);
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p.drawTextLeft(
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textX,
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startY + textHeight + st::lineWidth * 2,
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width(),
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_cachedElidedSubtext);
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}
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}
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void BackButton::onStateChanged(State was, StateChangeSource source) {
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if (isDown() && !(was & StateFlag::Down)) {
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clicked(Qt::KeyboardModifiers(), Qt::LeftButton);
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}
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}
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} // namespace Profile
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