788 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			788 lines
		
	
	
	
		
			22 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 "ui/widgets/multi_select.h"
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| 
 | |
| #include "styles/style_widgets.h"
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| #include "ui/widgets/buttons.h"
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| #include "ui/widgets/input_fields.h"
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| #include "ui/widgets/scroll_area.h"
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| #include "ui/effects/cross_animation.h"
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| #include "ui/text_options.h"
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| #include "lang/lang_keys.h"
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| 
 | |
| namespace Ui {
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| namespace {
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| 
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| constexpr int kWideScale = 3;
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| 
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| } // namespace
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| 
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| MultiSelect::Item::Item(const style::MultiSelectItem &st, uint64 id, const QString &text, style::color color, PaintRoundImage &&paintRoundImage)
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| : _st(st)
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| , _id(id)
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| , _color(color)
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| , _paintRoundImage(std::move(paintRoundImage)) {
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| 	setText(text);
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| }
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| 
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| void MultiSelect::Item::setText(const QString &text) {
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| 	_text.setText(_st.style, text, NameTextOptions());
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| 	_width = _st.height + _st.padding.left() + _text.maxWidth() + _st.padding.right();
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| 	accumulate_min(_width, _st.maxWidth);
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| }
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| 
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| void MultiSelect::Item::paint(Painter &p, int outerWidth) {
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| 	if (!_cache.isNull() && !_visibility.animating()) {
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| 		if (_hiding) {
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| 			return;
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| 		} else {
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| 			_cache = QPixmap();
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| 		}
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| 	}
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| 	if (_copies.empty()) {
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| 		paintOnce(p, _x, _y, outerWidth);
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| 	} else {
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| 		for (auto i = _copies.begin(), e = _copies.end(); i != e;) {
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| 			auto x = qRound(i->x.value(_x));
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| 			auto y = i->y;
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| 			auto animating = i->x.animating();
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| 			if (animating || (y == _y)) {
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| 				paintOnce(p, x, y, outerWidth);
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| 			}
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| 			if (animating) {
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| 				++i;
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| 			} else {
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| 				i = _copies.erase(i);
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| 				e = _copies.end();
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| 			}
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| 		}
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| 	}
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| }
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| 
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| void MultiSelect::Item::paintOnce(Painter &p, int x, int y, int outerWidth) {
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| 	if (!_cache.isNull()) {
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| 		paintCached(p, x, y, outerWidth);
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| 		return;
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| 	}
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| 
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| 	auto radius = _st.height / 2;
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| 	auto inner = rtlrect(x + radius, y, _width - radius, _st.height, outerWidth);
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| 
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| 	auto clipEnabled = p.hasClipping();
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| 	auto clip = clipEnabled ? p.clipRegion() : QRegion();
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| 	p.setClipRect(inner);
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| 
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| 	p.setPen(Qt::NoPen);
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| 	p.setBrush(_active ? _st.textActiveBg : _st.textBg);
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| 	{
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| 		PainterHighQualityEnabler hq(p);
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| 		p.drawRoundedRect(rtlrect(x, y, _width, _st.height, outerWidth), radius, radius);
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| 	}
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| 
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| 	if (clipEnabled) {
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| 		p.setClipRegion(clip);
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| 	} else {
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| 		p.setClipping(false);
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| 	}
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| 
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| 	auto overOpacity = _overOpacity.value(_over ? 1. : 0.);
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| 	if (overOpacity < 1.) {
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| 		_paintRoundImage(p, x, y, outerWidth, _st.height);
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| 	}
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| 	if (overOpacity > 0.) {
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| 		paintDeleteButton(p, x, y, outerWidth, overOpacity);
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| 	}
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| 
 | |
| 	auto textLeft = _st.height + _st.padding.left();
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| 	auto textWidth = _width - textLeft - _st.padding.right();
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| 	p.setPen(_active ? _st.textActiveFg : _st.textFg);
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| 	_text.drawLeftElided(p, x + textLeft, y + _st.padding.top(), textWidth, outerWidth);
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| }
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| 
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| void MultiSelect::Item::paintDeleteButton(Painter &p, int x, int y, int outerWidth, float64 overOpacity) {
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| 	p.setOpacity(overOpacity);
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| 
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| 	p.setPen(Qt::NoPen);
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| 	p.setBrush(_color);
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| 	{
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| 		PainterHighQualityEnabler hq(p);
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| 		p.drawEllipse(rtlrect(x, y, _st.height, _st.height, outerWidth));
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| 	}
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| 
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| 	CrossAnimation::paint(p, _st.deleteCross, _st.deleteFg, x, y, outerWidth, overOpacity);
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| 
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| 	p.setOpacity(1.);
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| }
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| 
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| bool MultiSelect::Item::paintCached(Painter &p, int x, int y, int outerWidth) {
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| 	PainterHighQualityEnabler hq(p);
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| 
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| 	auto opacity = _visibility.value(_hiding ? 0. : 1.);
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| 	auto scale = opacity + _st.minScale * (1. - opacity);
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| 	auto height = opacity * _cache.height() / _cache.devicePixelRatio();
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| 	auto width = opacity * _cache.width() / _cache.devicePixelRatio();
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| 
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| 	p.setOpacity(opacity);
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| 	p.drawPixmap(rtlrect(x + (_width - width) / 2., y + (_st.height - height) / 2., width, height, outerWidth), _cache);
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| 	p.setOpacity(1.);
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| 	return true;
 | |
| }
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| 
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| void MultiSelect::Item::mouseMoveEvent(QPoint point) {
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| 	if (!_cache.isNull()) return;
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| 	_overDelete = QRect(0, 0, _st.height, _st.height).contains(point);
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| 	setOver(true);
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| }
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| 
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| void MultiSelect::Item::leaveEvent() {
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| 	_overDelete = false;
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| 	setOver(false);
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| }
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| 
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| void MultiSelect::Item::setPosition(int x, int y, int outerWidth, int maxVisiblePadding) {
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| 	if (_x >= 0 && _y >= 0 && (_x != x || _y != y)) {
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| 		// Make an animation if it is not the first setPosition().
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| 		auto found = false;
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| 		auto leftHidden = -_width - maxVisiblePadding;
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| 		auto rightHidden = outerWidth + maxVisiblePadding;
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| 		for (auto i = _copies.begin(), e = _copies.end(); i != e;) {
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| 			if (i->x.animating()) {
 | |
| 				if (i->y == y) {
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| 					i->x.start(_updateCallback, i->toX, x, _st.duration);
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| 					found = true;
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| 				} else {
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| 					i->x.start(_updateCallback, i->fromX, (i->toX > i->fromX) ? rightHidden : leftHidden, _st.duration);
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| 				}
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| 				++i;
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| 			} else {
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| 				i = _copies.erase(i);
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| 				e = _copies.end();
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| 			}
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| 		}
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| 		if (_copies.empty()) {
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| 			if (_y == y) {
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| 				auto copy = SlideAnimation(_updateCallback, _x, x, _y, _st.duration);
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| 				_copies.push_back(std::move(copy));
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| 			} else {
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| 				auto copyHiding = SlideAnimation(_updateCallback, _x, (y > _y) ? rightHidden : leftHidden, _y, _st.duration);
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| 				_copies.push_back(std::move(copyHiding));
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| 				auto copyShowing = SlideAnimation(_updateCallback, (y > _y) ? leftHidden : rightHidden, x, y, _st.duration);
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| 				_copies.push_back(std::move(copyShowing));
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| 			}
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| 		} else if (!found) {
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| 			auto copy = SlideAnimation(_updateCallback, (y > _y) ? leftHidden : rightHidden, x, y, _st.duration);
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| 			_copies.push_back(std::move(copy));
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| 		}
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| 	}
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| 	_x = x;
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| 	_y = y;
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| }
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| 
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| QRect MultiSelect::Item::paintArea(int outerWidth) const {
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| 	if (_copies.empty()) {
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| 		return rect();
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| 	}
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| 	auto yMin = 0, yMax = 0;
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| 	for_const (auto ©, _copies) {
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| 		accumulate_max(yMax, copy.y);
 | |
| 		if (yMin) {
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| 			accumulate_min(yMin, copy.y);
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| 		} else {
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| 			yMin = copy.y;
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| 		}
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| 	}
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| 	return QRect(0, yMin, outerWidth, yMax - yMin + _st.height);
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| }
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| 
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| void MultiSelect::Item::prepareCache() {
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| 	if (!_cache.isNull()) return;
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| 
 | |
| 	Assert(!_visibility.animating());
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| 	auto cacheWidth = _width * kWideScale * cIntRetinaFactor();
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| 	auto cacheHeight = _st.height * kWideScale * cIntRetinaFactor();
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| 	auto data = QImage(cacheWidth, cacheHeight, QImage::Format_ARGB32_Premultiplied);
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| 	data.fill(Qt::transparent);
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| 	data.setDevicePixelRatio(cRetinaFactor());
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| 	{
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| 		Painter p(&data);
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| 		paintOnce(p, _width * (kWideScale - 1) / 2, _st.height  * (kWideScale - 1) / 2, cacheWidth);
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| 	}
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| 	_cache = App::pixmapFromImageInPlace(std::move(data));
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| }
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| 
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| void MultiSelect::Item::setVisibleAnimated(bool visible) {
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| 	_hiding = !visible;
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| 	prepareCache();
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| 	auto from = visible ? 0. : 1.;
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| 	auto to = visible ? 1. : 0.;
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| 	auto transition = visible ? anim::bumpy(1.0625) : anim::linear;
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| 	_visibility.start(_updateCallback, from, to, _st.duration, transition);
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| }
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| 
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| void MultiSelect::Item::setOver(bool over) {
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| 	if (over != _over) {
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| 		_over = over;
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| 		_overOpacity.start(_updateCallback, _over ? 0. : 1., _over ? 1. : 0., _st.duration);
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| 	}
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| }
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| 
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| MultiSelect::MultiSelect(
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| 	QWidget *parent,
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| 	const style::MultiSelect &st,
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| 	Fn<QString()> placeholderFactory)
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| : RpWidget(parent)
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| , _st(st)
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| , _scroll(this, _st.scroll) {
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| 	_inner = _scroll->setOwnedWidget(object_ptr<Inner>(this, st, std::move(placeholderFactory), [this](int activeTop, int activeBottom) {
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| 		scrollTo(activeTop, activeBottom);
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| 	}));
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| 	_scroll->installEventFilter(this);
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| 	_inner->setResizedCallback([this](int innerHeightDelta) {
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| 		auto newHeight = resizeGetHeight(width());
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| 		if (innerHeightDelta > 0) {
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| 			_scroll->scrollToY(_scroll->scrollTop() + innerHeightDelta);
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| 		}
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| 		if (newHeight != height()) {
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| 			resize(width(), newHeight);
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| 			if (_resizedCallback) {
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| 				_resizedCallback();
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| 			}
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| 		}
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| 	});
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| 	_inner->setQueryChangedCallback([this](const QString &query) {
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| 		_scroll->scrollToY(_scroll->scrollTopMax());
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| 		if (_queryChangedCallback) {
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| 			_queryChangedCallback(query);
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| 		}
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| 	});
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| 
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| 	setAttribute(Qt::WA_OpaquePaintEvent);
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| 	auto defaultWidth = _st.item.maxWidth + _st.fieldMinWidth + _st.fieldCancelSkip;
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| 	resizeToWidth(_st.padding.left() + defaultWidth + _st.padding.right());
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| }
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| 
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| bool MultiSelect::eventFilter(QObject *o, QEvent *e) {
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| 	if (o == _scroll && e->type() == QEvent::KeyPress) {
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| 		e->ignore();
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| 		return true;
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| 	}
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| 	return false;
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| }
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| 
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| void MultiSelect::scrollTo(int activeTop, int activeBottom) {
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| 	auto scrollTop = _scroll->scrollTop();
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| 	auto scrollHeight = _scroll->height();
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| 	auto scrollBottom = scrollTop + scrollHeight;
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| 	if (scrollTop > activeTop) {
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| 		_scroll->scrollToY(activeTop);
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| 	} else if (scrollBottom < activeBottom) {
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| 		_scroll->scrollToY(activeBottom - scrollHeight);
 | |
| 	}
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| }
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| 
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| void MultiSelect::setQueryChangedCallback(Fn<void(const QString &query)> callback) {
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| 	_queryChangedCallback = std::move(callback);
 | |
| }
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| 
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| void MultiSelect::setSubmittedCallback(Fn<void(Qt::KeyboardModifiers)> callback) {
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| 	_inner->setSubmittedCallback(std::move(callback));
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| }
 | |
| 
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| void MultiSelect::setCancelledCallback(Fn<void()> callback) {
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| 	_inner->setCancelledCallback(std::move(callback));
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| }
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| 
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| void MultiSelect::setResizedCallback(Fn<void()> callback) {
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| 	_resizedCallback = std::move(callback);
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| }
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| 
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| void MultiSelect::setInnerFocus() {
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| 	if (_inner->setInnerFocus()) {
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| 		_scroll->scrollToY(_scroll->scrollTopMax());
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| 	}
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| }
 | |
| 
 | |
| void MultiSelect::clearQuery() {
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| 	_inner->clearQuery();
 | |
| }
 | |
| 
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| QString MultiSelect::getQuery() const {
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| 	return _inner->getQuery();
 | |
| }
 | |
| 
 | |
| void MultiSelect::addItem(uint64 itemId, const QString &text, style::color color, PaintRoundImage paintRoundImage, AddItemWay way) {
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| 	addItemInBunch(itemId, text, color, std::move(paintRoundImage));
 | |
| 	_inner->finishItemsBunch(way);
 | |
| }
 | |
| 
 | |
| void MultiSelect::addItemInBunch(uint64 itemId, const QString &text, style::color color, PaintRoundImage paintRoundImage) {
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| 	_inner->addItemInBunch(std::make_unique<Item>(_st.item, itemId, text, color, std::move(paintRoundImage)));
 | |
| }
 | |
| 
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| void MultiSelect::finishItemsBunch() {
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| 	_inner->finishItemsBunch(AddItemWay::SkipAnimation);
 | |
| }
 | |
| 
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| void MultiSelect::setItemRemovedCallback(Fn<void(uint64 itemId)> callback) {
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| 	_inner->setItemRemovedCallback(std::move(callback));
 | |
| }
 | |
| 
 | |
| void MultiSelect::removeItem(uint64 itemId) {
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| 	_inner->removeItem(itemId);
 | |
| }
 | |
| 
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| int MultiSelect::getItemsCount() const {
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| 	return _inner->getItemsCount();
 | |
| }
 | |
| 
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| QVector<uint64> MultiSelect::getItems() const {
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| 	return _inner->getItems();
 | |
| }
 | |
| 
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| bool MultiSelect::hasItem(uint64 itemId) const {
 | |
| 	return _inner->hasItem(itemId);
 | |
| }
 | |
| 
 | |
| int MultiSelect::resizeGetHeight(int newWidth) {
 | |
| 	if (newWidth != _inner->width()) {
 | |
| 		_inner->resizeToWidth(newWidth);
 | |
| 	}
 | |
| 	auto newHeight = qMin(_inner->height(), _st.maxHeight);
 | |
| 	_scroll->setGeometryToLeft(0, 0, newWidth, newHeight);
 | |
| 	return newHeight;
 | |
| }
 | |
| 
 | |
| MultiSelect::Inner::Inner(QWidget *parent, const style::MultiSelect &st, Fn<QString()> placeholder, ScrollCallback callback) : TWidget(parent)
 | |
| , _st(st)
 | |
| , _scrollCallback(std::move(callback))
 | |
| , _field(this, _st.field, std::move(placeholder))
 | |
| , _cancel(this, _st.fieldCancel) {
 | |
| 	_field->customUpDown(true);
 | |
| 	connect(_field, &Ui::InputField::focused, [=] { fieldFocused(); });
 | |
| 	connect(_field, &Ui::InputField::changed, [=] { queryChanged(); });
 | |
| 	connect(_field, &Ui::InputField::submitted, this, &Inner::submitted);
 | |
| 	connect(_field, &Ui::InputField::cancelled, this, &Inner::cancelled);
 | |
| 	_cancel->setClickedCallback([=] {
 | |
| 		clearQuery();
 | |
| 		_field->setFocus();
 | |
| 	});
 | |
| 	setMouseTracking(true);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::queryChanged() {
 | |
| 	auto query = getQuery();
 | |
| 	_cancel->toggle(!query.isEmpty(), anim::type::normal);
 | |
| 	updateFieldGeometry();
 | |
| 	if (_queryChangedCallback) {
 | |
| 		_queryChangedCallback(query);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| QString MultiSelect::Inner::getQuery() const {
 | |
| 	return _field->getLastText().trimmed();
 | |
| }
 | |
| 
 | |
| bool MultiSelect::Inner::setInnerFocus() {
 | |
| 	if (_active >= 0) {
 | |
| 		setFocus();
 | |
| 	} else if (!_field->hasFocus()) {
 | |
| 		_field->setFocusFast();
 | |
| 		return true;
 | |
| 	}
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::clearQuery() {
 | |
| 	_field->setText(QString());
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setQueryChangedCallback(Fn<void(const QString &query)> callback) {
 | |
| 	_queryChangedCallback = std::move(callback);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setSubmittedCallback(
 | |
| 		Fn<void(Qt::KeyboardModifiers)> callback) {
 | |
| 	_submittedCallback = std::move(callback);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setCancelledCallback(Fn<void()> callback) {
 | |
| 	_cancelledCallback = std::move(callback);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateFieldGeometry() {
 | |
| 	auto fieldFinalWidth = _fieldWidth;
 | |
| 	if (_cancel->toggled()) {
 | |
| 		fieldFinalWidth -= _st.fieldCancelSkip;
 | |
| 	}
 | |
| 	_field->resizeToWidth(fieldFinalWidth);
 | |
| 	_field->moveToLeft(_st.padding.left() + _fieldLeft, _st.padding.top() + _fieldTop);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateHasAnyItems(bool hasAnyItems) {
 | |
| 	_field->setPlaceholderHidden(hasAnyItems);
 | |
| 	updateCursor();
 | |
| 	_iconOpacity.start([this] {
 | |
| 		rtlupdate(_st.padding.left(), _st.padding.top(), _st.fieldIcon.width(), _st.fieldIcon.height());
 | |
| 	}, hasAnyItems ? 1. : 0., hasAnyItems ? 0. : 1., _st.item.duration);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateCursor() {
 | |
| 	setCursor(_items.empty() ? style::cur_text : (_overDelete ? style::cur_pointer : style::cur_default));
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setActiveItem(int active, ChangeActiveWay skipSetFocus) {
 | |
| 	if (_active == active) return;
 | |
| 
 | |
| 	if (_active >= 0) {
 | |
| 		Assert(_active < _items.size());
 | |
| 		_items[_active]->setActive(false);
 | |
| 	}
 | |
| 	_active = active;
 | |
| 	if (_active >= 0) {
 | |
| 		Assert(_active < _items.size());
 | |
| 		_items[_active]->setActive(true);
 | |
| 	}
 | |
| 	if (skipSetFocus != ChangeActiveWay::SkipSetFocus) {
 | |
| 		setInnerFocus();
 | |
| 	}
 | |
| 	if (_scrollCallback) {
 | |
| 		auto rect = (_active >= 0) ? _items[_active]->rect() : _field->geometry().translated(-_st.padding.left(), -_st.padding.top());
 | |
| 		_scrollCallback(rect.y(), rect.y() + rect.height() + _st.padding.top() + _st.padding.bottom());
 | |
| 	}
 | |
| 	update();
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setActiveItemPrevious() {
 | |
| 	if (_active > 0) {
 | |
| 		setActiveItem(_active - 1);
 | |
| 	} else if (_active < 0 && !_items.empty()) {
 | |
| 		setActiveItem(_items.size() - 1);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setActiveItemNext() {
 | |
| 	if (_active >= 0 && _active + 1 < _items.size()) {
 | |
| 		setActiveItem(_active + 1);
 | |
| 	} else {
 | |
| 		setActiveItem(-1);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int MultiSelect::Inner::resizeGetHeight(int newWidth) {
 | |
| 	computeItemsGeometry(newWidth);
 | |
| 	updateFieldGeometry();
 | |
| 
 | |
| 	auto cancelLeft = _fieldLeft + _fieldWidth + _st.padding.right() - _cancel->width();
 | |
| 	auto cancelTop = _fieldTop - _st.padding.top();
 | |
| 	_cancel->moveToLeft(_st.padding.left() + cancelLeft, _st.padding.top() + cancelTop);
 | |
| 
 | |
| 	return _field->y() + _field->height() + _st.padding.bottom();
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::paintEvent(QPaintEvent *e) {
 | |
| 	Painter p(this);
 | |
| 
 | |
| 	auto paintRect = e->rect();
 | |
| 	p.fillRect(paintRect, _st.bg);
 | |
| 
 | |
| 	auto offset = QPoint(rtl() ? _st.padding.right() : _st.padding.left(), _st.padding.top());
 | |
| 	p.translate(offset);
 | |
| 	paintRect.translate(-offset);
 | |
| 
 | |
| 	auto outerWidth = width() - _st.padding.left() - _st.padding.right();
 | |
| 	auto iconOpacity = _iconOpacity.value(_items.empty() ? 1. : 0.);
 | |
| 	if (iconOpacity > 0.) {
 | |
| 		p.setOpacity(iconOpacity);
 | |
| 		_st.fieldIcon.paint(p, 0, 0, outerWidth);
 | |
| 		p.setOpacity(1.);
 | |
| 	}
 | |
| 
 | |
| 	auto checkRect = myrtlrect(paintRect);
 | |
| 	auto paintMargins = itemPaintMargins();
 | |
| 	for (auto i = _removingItems.begin(), e = _removingItems.end(); i != e;) {
 | |
| 		auto &item = *i;
 | |
| 		auto itemRect = item->paintArea(outerWidth);
 | |
| 		itemRect = itemRect.marginsAdded(paintMargins);
 | |
| 		if (checkRect.intersects(itemRect)) {
 | |
| 			item->paint(p, outerWidth);
 | |
| 		}
 | |
| 		if (item->hideFinished()) {
 | |
| 			i = _removingItems.erase(i);
 | |
| 			e = _removingItems.end();
 | |
| 		} else {
 | |
| 			++i;
 | |
| 		}
 | |
| 	}
 | |
| 	for (const auto &item : _items) {
 | |
| 		auto itemRect = item->paintArea(outerWidth);
 | |
| 		itemRect = itemRect.marginsAdded(paintMargins);
 | |
| 		if (checkRect.y() + checkRect.height() <= itemRect.y()) {
 | |
| 			break;
 | |
| 		} else if (checkRect.intersects(itemRect)) {
 | |
| 			item->paint(p, outerWidth);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| QMargins MultiSelect::Inner::itemPaintMargins() const {
 | |
| 	return {
 | |
| 		qMax(_st.itemSkip, _st.padding.left()),
 | |
| 		_st.itemSkip,
 | |
| 		qMax(_st.itemSkip, _st.padding.right()),
 | |
| 		_st.itemSkip,
 | |
| 	};
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::leaveEventHook(QEvent *e) {
 | |
| 	clearSelection();
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::mouseMoveEvent(QMouseEvent *e) {
 | |
| 	updateSelection(e->pos());
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::keyPressEvent(QKeyEvent *e) {
 | |
| 	if (_active >= 0) {
 | |
| 		Expects(_active < _items.size());
 | |
| 		if (e->key() == Qt::Key_Delete || e->key() == Qt::Key_Backspace) {
 | |
| 			auto itemId = _items[_active]->id();
 | |
| 			setActiveItemNext();
 | |
| 			removeItem(itemId);
 | |
| 		} else if (e->key() == Qt::Key_Left) {
 | |
| 			setActiveItemPrevious();
 | |
| 		} else if (e->key() == Qt::Key_Right) {
 | |
| 			setActiveItemNext();
 | |
| 		} else if (e->key() == Qt::Key_Escape) {
 | |
| 			setActiveItem(-1);
 | |
| 		} else {
 | |
| 			e->ignore();
 | |
| 		}
 | |
| 	} else if (e->key() == Qt::Key_Left || e->key() == Qt::Key_Backspace) {
 | |
| 		setActiveItemPrevious();
 | |
| 	} else {
 | |
| 		e->ignore();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::submitted(Qt::KeyboardModifiers modifiers) {
 | |
| 	if (_submittedCallback) {
 | |
| 		_submittedCallback(modifiers);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::cancelled() {
 | |
| 	if (_cancelledCallback) {
 | |
| 		_cancelledCallback();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::fieldFocused() {
 | |
| 	setActiveItem(-1, ChangeActiveWay::SkipSetFocus);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateSelection(QPoint mousePosition) {
 | |
| 	auto point = myrtlpoint(mousePosition) - QPoint(_st.padding.left(), _st.padding.right());
 | |
| 	auto selected = -1;
 | |
| 	for (auto i = 0, count = int(_items.size()); i != count; ++i) {
 | |
| 		auto itemRect = _items[i]->rect();
 | |
| 		if (itemRect.y() > point.y()) {
 | |
| 			break;
 | |
| 		} else if (itemRect.contains(point)) {
 | |
| 			point -= itemRect.topLeft();
 | |
| 			selected = i;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	if (_selected != selected) {
 | |
| 		if (_selected >= 0) {
 | |
| 			Assert(_selected < _items.size());
 | |
| 			_items[_selected]->leaveEvent();
 | |
| 		}
 | |
| 		_selected = selected;
 | |
| 		update();
 | |
| 	}
 | |
| 	auto overDelete = false;
 | |
| 	if (_selected >= 0) {
 | |
| 		_items[_selected]->mouseMoveEvent(point);
 | |
| 		overDelete = _items[_selected]->isOverDelete();
 | |
| 	}
 | |
| 	if (_overDelete != overDelete) {
 | |
| 		_overDelete = overDelete;
 | |
| 		updateCursor();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::mousePressEvent(QMouseEvent *e) {
 | |
| 	if (_overDelete) {
 | |
| 		Expects(_selected >= 0);
 | |
| 		Expects(_selected < _items.size());
 | |
| 		removeItem(_items[_selected]->id());
 | |
| 	} else if (_selected >= 0) {
 | |
| 		setActiveItem(_selected);
 | |
| 	} else {
 | |
| 		setInnerFocus();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::addItemInBunch(std::unique_ptr<Item> item) {
 | |
| 	auto wasEmpty = _items.empty();
 | |
| 	item->setUpdateCallback([this, item = item.get()] {
 | |
| 		auto itemRect = item->paintArea(width() - _st.padding.left() - _st.padding.top());
 | |
| 		itemRect = itemRect.translated(_st.padding.left(), _st.padding.top());
 | |
| 		itemRect = itemRect.marginsAdded(itemPaintMargins());
 | |
| 		rtlupdate(itemRect);
 | |
| 	});
 | |
| 	_idsMap.insert(item->id());
 | |
| 	_items.push_back(std::move(item));
 | |
| 	if (wasEmpty) {
 | |
| 		updateHasAnyItems(true);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::finishItemsBunch(AddItemWay way) {
 | |
| 	updateItemsGeometry();
 | |
| 	if (way != AddItemWay::SkipAnimation) {
 | |
| 		_items.back()->showAnimated();
 | |
| 	} else {
 | |
| 		_field->finishAnimating();
 | |
| 		finishHeightAnimation();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::computeItemsGeometry(int newWidth) {
 | |
| 	newWidth -= _st.padding.left() + _st.padding.right();
 | |
| 
 | |
| 	auto itemLeft = 0;
 | |
| 	auto itemTop = 0;
 | |
| 	auto widthLeft = newWidth;
 | |
| 	auto maxVisiblePadding = qMax(_st.padding.left(), _st.padding.right());
 | |
| 	for_const (auto &item, _items) {
 | |
| 		auto itemWidth = item->getWidth();
 | |
| 		Assert(itemWidth <= newWidth);
 | |
| 		if (itemWidth > widthLeft) {
 | |
| 			itemLeft = 0;
 | |
| 			itemTop += _st.item.height + _st.itemSkip;
 | |
| 			widthLeft = newWidth;
 | |
| 		}
 | |
| 		item->setPosition(itemLeft, itemTop, newWidth, maxVisiblePadding);
 | |
| 		itemLeft += itemWidth + _st.itemSkip;
 | |
| 		widthLeft -= itemWidth + _st.itemSkip;
 | |
| 	}
 | |
| 
 | |
| 	auto fieldMinWidth = _st.fieldMinWidth + _st.fieldCancelSkip;
 | |
| 	Assert(fieldMinWidth <= newWidth);
 | |
| 	if (fieldMinWidth > widthLeft) {
 | |
| 		_fieldLeft = 0;
 | |
| 		_fieldTop = itemTop + _st.item.height + _st.itemSkip;
 | |
| 	} else {
 | |
| 		_fieldLeft = itemLeft + (_items.empty() ? _st.fieldIconSkip : 0);
 | |
| 		_fieldTop = itemTop;
 | |
| 	}
 | |
| 	_fieldWidth = newWidth - _fieldLeft;
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateItemsGeometry() {
 | |
| 	auto newHeight = resizeGetHeight(width());
 | |
| 	if (newHeight == _newHeight) return;
 | |
| 
 | |
| 	_newHeight = newHeight;
 | |
| 	_height.start([this] { updateHeightStep(); }, height(), _newHeight, _st.item.duration);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::updateHeightStep() {
 | |
| 	auto newHeight = qRound(_height.value(_newHeight));
 | |
| 	if (auto heightDelta = newHeight - height()) {
 | |
| 		resize(width(), newHeight);
 | |
| 		if (_resizedCallback) {
 | |
| 			_resizedCallback(heightDelta);
 | |
| 		}
 | |
| 		update();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::finishHeightAnimation() {
 | |
| 	_height.stop();
 | |
| 	updateHeightStep();
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setItemText(uint64 itemId, const QString &text) {
 | |
| 	for_const (auto &item, _items) {
 | |
| 		if (item->id() == itemId) {
 | |
| 			item->setText(text);
 | |
| 			updateItemsGeometry();
 | |
| 			return;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setItemRemovedCallback(Fn<void(uint64 itemId)> callback) {
 | |
| 	_itemRemovedCallback = std::move(callback);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::setResizedCallback(Fn<void(int heightDelta)> callback) {
 | |
| 	_resizedCallback = std::move(callback);
 | |
| }
 | |
| 
 | |
| void MultiSelect::Inner::removeItem(uint64 itemId) {
 | |
| 	auto found = false;
 | |
| 	for (auto i = 0, count = int(_items.size()); i != count; ++i) {
 | |
| 		auto &item = _items[i];
 | |
| 		if (item->id() == itemId) {
 | |
| 			found = true;
 | |
| 			clearSelection();
 | |
| 
 | |
| 			item->hideAnimated();
 | |
| 			_idsMap.erase(item->id());
 | |
| 			auto inserted = _removingItems.insert(std::move(item));
 | |
| 			_items.erase(_items.begin() + i);
 | |
| 
 | |
| 			if (_active == i) {
 | |
| 				_active = -1;
 | |
| 			} else if (_active > i) {
 | |
| 				--_active;
 | |
| 			}
 | |
| 
 | |
| 			updateItemsGeometry();
 | |
| 			if (_items.empty()) {
 | |
| 				updateHasAnyItems(false);
 | |
| 			}
 | |
| 			auto point = QCursor::pos();
 | |
| 			if (auto parent = parentWidget()) {
 | |
| 				if (parent->rect().contains(parent->mapFromGlobal(point))) {
 | |
| 					updateSelection(mapFromGlobal(point));
 | |
| 				}
 | |
| 			}
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	if (found && _itemRemovedCallback) {
 | |
| 		_itemRemovedCallback(itemId);
 | |
| 	}
 | |
| 	setInnerFocus();
 | |
| }
 | |
| 
 | |
| int MultiSelect::Inner::getItemsCount() const {
 | |
| 	return _items.size();
 | |
| }
 | |
| 
 | |
| QVector<uint64> MultiSelect::Inner::getItems() const {
 | |
| 	auto result = QVector<uint64>();
 | |
| 	result.reserve(_items.size());
 | |
| 	for_const (auto &item, _items) {
 | |
| 		result.push_back(item->id());
 | |
| 	}
 | |
| 	return result;
 | |
| }
 | |
| 
 | |
| bool MultiSelect::Inner::hasItem(uint64 itemId) const {
 | |
| 	return _idsMap.find(itemId) != _idsMap.cend();
 | |
| }
 | |
| 
 | |
| MultiSelect::Inner::~Inner() = default;
 | |
| 
 | |
| } // namespace Ui
 | 
