tdesktop/Telegram/SourceFiles/settings/settings_block_widget.cpp

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/*
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 "settings/settings_block_widget.h"
#include "styles/style_settings.h"
#include "ui/widgets/checkbox.h"
#include "ui/widgets/buttons.h"
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#include "ui/wrap/vertical_layout.h"
namespace Settings {
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BlockWidget::BlockWidget(QWidget *parent, UserData *self, const QString &title) : RpWidget(parent)
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, _content(this)
, _self(self)
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, _title(title) {
_content->heightValue(
) | rpl::start_with_next([this](int contentHeight) {
resize(
width(),
contentTop()
+ contentHeight
+ st::settingsBlockMarginBottom);
}, lifetime());
}
void BlockWidget::setContentLeft(int contentLeft) {
_contentLeft = contentLeft;
}
int BlockWidget::contentTop() const {
return emptyTitle() ? 0 : (st::settingsBlockMarginTop + st::settingsBlockTitleHeight);
}
int BlockWidget::resizeGetHeight(int newWidth) {
int x = contentLeft(), result = contentTop();
int availw = newWidth - x;
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auto margins = getMargins();
_content->resizeToWidth(availw);
_content->moveToLeft(margins.left() + x, margins.top() + result, newWidth);
result += _content->heightNoMargins() + st::settingsBlockMarginBottom;
return result;
}
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QMargins BlockWidget::getMargins() const {
auto result = _content->getMargins();
return QMargins(
result.left(),
qMax(result.top() - contentTop(), 0),
result.right(),
qMax(result.bottom() - st::settingsBlockMarginBottom, 0));
}
void BlockWidget::paintEvent(QPaintEvent *e) {
Painter p(this);
paintTitle(p);
paintContents(p);
}
void BlockWidget::paintTitle(Painter &p) {
if (emptyTitle()) return;
p.setFont(st::settingsBlockTitleFont);
p.setPen(st::settingsBlockTitleFg);
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auto margins = getMargins();
auto titleTop = st::settingsBlockMarginTop + st::settingsBlockTitleTop;
p.drawTextLeft(
margins.left() + contentLeft(),
margins.top() + titleTop,
width(),
_title);
}
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Ui::RpWidget *BlockWidget::addCreatedRow(
object_ptr<RpWidget> row,
const style::margins &margin) {
return _content->add(std::move(row), margin);
}
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void BlockWidget::createChildWidget(
object_ptr<Ui::Checkbox> &child,
style::margins &margin,
const QString &text,
base::lambda<void(bool checked)> callback,
bool checked) {
child.create(this, text, checked, st::defaultBoxCheckbox);
subscribe(child->checkedChanged, std::move(callback));
}
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void BlockWidget::createChildWidget(
object_ptr<Ui::LinkButton> &child,
style::margins &margin,
const QString &text,
const char *slot,
const style::LinkButton &st) {
child.create(this, text, st);
connect(child, SIGNAL(clicked()), this, slot);
}
} // namespace Settings