73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include "ui/toast/toast_widget.h"
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#include "ui/image/image_prepare.h"
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#include "styles/palette.h"
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namespace Ui {
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namespace Toast {
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namespace internal {
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Widget::Widget(QWidget *parent, const Config &config)
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: TWidget(parent)
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, _roundRect(ImageRoundRadius::Large, st::toastBg)
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, _multiline(config.multiline)
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, _maxWidth((config.maxWidth > 0) ? config.maxWidth : st::toastMaxWidth)
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, _padding((config.padding.left() > 0) ? config.padding : st::toastPadding)
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, _maxTextWidth(widthWithoutPadding(_maxWidth))
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, _maxTextHeight(
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st::toastTextStyle.font->height * (_multiline ? config.maxLines : 1))
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, _text(_multiline ? widthWithoutPadding(config.minWidth) : QFIXED_MAX) {
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const auto toastOptions = TextParseOptions{
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TextParseMultiline,
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_maxTextWidth,
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_maxTextHeight,
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Qt::LayoutDirectionAuto
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};
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_text.setText(
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st::toastTextStyle,
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_multiline ? config.text : TextUtilities::SingleLine(config.text),
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toastOptions);
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setAttribute(Qt::WA_TransparentForMouseEvents);
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onParentResized();
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show();
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}
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void Widget::onParentResized() {
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auto newWidth = _maxWidth;
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accumulate_min(newWidth, _padding.left() + _text.maxWidth() + _padding.right());
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accumulate_min(newWidth, parentWidget()->width() - 2 * st::toastMinMargin);
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_textWidth = widthWithoutPadding(newWidth);
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const auto textHeight = _multiline
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? qMin(_text.countHeight(_textWidth), _maxTextHeight)
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: _text.minHeight();
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const auto newHeight = _padding.top() + textHeight + _padding.bottom();
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setGeometry((parentWidget()->width() - newWidth) / 2, (parentWidget()->height() - newHeight) / 2, newWidth, newHeight);
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}
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void Widget::setShownLevel(float64 shownLevel) {
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_shownLevel = shownLevel;
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}
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void Widget::paintEvent(QPaintEvent *e) {
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Painter p(this);
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PainterHighQualityEnabler hq(p);
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p.setOpacity(_shownLevel);
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_roundRect.paint(p, rect());
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const auto lines = _maxTextHeight / st::toastTextStyle.font->height;
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p.setPen(st::toastFg);
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_text.drawElided(p, _padding.left(), _padding.top(), _textWidth + 1, lines);
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}
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} // namespace internal
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} // namespace Toast
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} // namespace Ui
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