128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "settings/settings_scale_widget.h"
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#include "styles/style_boxes.h"
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#include "styles/style_settings.h"
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#include "ui/widgets/checkbox.h"
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#include "lang/lang_keys.h"
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#include "storage/localstorage.h"
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#include "mainwindow.h"
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#include "boxes/confirm_box.h"
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#include "application.h"
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#include "ui/widgets/discrete_sliders.h"
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namespace Settings {
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namespace {
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QString scaleLabel(DBIScale scale) {
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switch (scale) {
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case dbisOne: return qsl("100%");
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case dbisOneAndQuarter: return qsl("125%");
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case dbisOneAndHalf: return qsl("150%");
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case dbisTwo: return qsl("200%");
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}
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return QString();
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}
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} // namespace
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ScaleWidget::ScaleWidget(QWidget *parent, UserData *self) : BlockWidget(parent, self, lang(lng_settings_section_scale)) {
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createControls();
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}
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void ScaleWidget::createControls() {
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style::margins margin(0, 0, 0, st::settingsSmallSkip);
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addChildRow(_auto, margin, lng_settings_scale_auto(lt_cur, scaleLabel(cScreenScale())), [this](bool) { onAutoChanged(); }, (cConfigScale() == dbisAuto));
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addChildRow(_scale, style::margins(0, 0, 0, 0));
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_scale->addSection(scaleLabel(dbisOne));
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_scale->addSection(scaleLabel(dbisOneAndQuarter));
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_scale->addSection(scaleLabel(dbisOneAndHalf));
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_scale->addSection(scaleLabel(dbisTwo));
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_scale->setActiveSectionFast(cEvalScale(cConfigScale()) - 1);
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_scale->setSectionActivatedCallback([this] { scaleChanged(); });
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}
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void ScaleWidget::onAutoChanged() {
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auto newScale = _auto->checked() ? dbisAuto : cEvalScale(cConfigScale());
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if (newScale == cScreenScale()) {
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if (newScale != cScale()) {
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newScale = cScale();
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} else {
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switch (newScale) {
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case dbisOne: newScale = dbisOneAndQuarter; break;
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case dbisOneAndQuarter: newScale = dbisOne; break;
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case dbisOneAndHalf: newScale = dbisOneAndQuarter; break;
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case dbisTwo: newScale = dbisOneAndHalf; break;
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}
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}
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}
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setScale(newScale);
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}
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void ScaleWidget::setScale(DBIScale newScale) {
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if (_inSetScale) return;
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_inSetScale = true;
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auto guard = gsl::finally([this] { _inSetScale = false; });
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if (newScale == cScreenScale()) newScale = dbisAuto;
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if (newScale == dbisAuto && !_auto->checked()) {
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_auto->setChecked(true);
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} else if (newScale != dbisAuto && _auto->checked()) {
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_auto->setChecked(false);
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}
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_newScale = newScale;
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if (newScale == dbisAuto) newScale = cScreenScale();
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if (_scale->activeSection() != newScale - 1) {
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_scale->setActiveSection(newScale - 1);
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}
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if (cEvalScale(newScale) != cEvalScale(cRealScale())) {
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Ui::show(Box<ConfirmBox>(lang(lng_settings_need_restart), lang(lng_settings_restart_now), base::lambda_guarded(this, [this] {
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cSetConfigScale(_newScale);
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Local::writeSettings();
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App::restart();
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}), base::lambda_guarded(this, [this] {
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App::CallDelayed(st::boxDuration, this, [this] {
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setScale(cRealScale());
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});
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})));
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} else {
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cSetConfigScale(newScale);
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Local::writeSettings();
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}
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}
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void ScaleWidget::scaleChanged() {
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auto newScale = dbisAuto;
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switch (_scale->activeSection()) {
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case 0: newScale = dbisOne; break;
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case 1: newScale = dbisOneAndQuarter; break;
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case 2: newScale = dbisOneAndHalf; break;
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case 3: newScale = dbisTwo; break;
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}
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setScale(newScale);
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}
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} // namespace Settings
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