Replaced overview and inline mosaic layouts with new mosaic layout.

Telegram/CMakeLists.txt

@@ -676,8 +676,6 @@ PRIVATE
     inline_bots/inline_bot_send_data.h
     inline_bots/inline_results_inner.cpp
     inline_bots/inline_results_inner.h
-    inline_bots/inline_results_mosaic_layout.cpp
-    inline_bots/inline_results_mosaic_layout.h
     inline_bots/inline_results_widget.cpp
     inline_bots/inline_results_widget.h
     intro/intro_code.cpp
@@ -817,8 +815,6 @@ PRIVATE
     overview/overview_layout.cpp
     overview/overview_layout.h
     overview/overview_layout_delegate.h
-    overview/overview_mosaic_layout.cpp
-    overview/overview_mosaic_layout.h
     passport/passport_encryption.cpp
     passport/passport_encryption.h
     passport/passport_form_controller.cpp

Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp

@@ -202,6 +202,11 @@ GifsListWidget::GifsListWidget(
 	) | rpl::start_with_next([=](const QSize &s) {
 		_mosaic.setFullWidth(s.width());
 	}, lifetime());
+
+	_mosaic.setOffset(
+		st::inlineResultsLeft - st::roundRadiusSmall,
+		st::stickerPanPadding);
+	_mosaic.setRightSkip(st::inlineResultsSkip);
 }
 
 rpl::producer<TabbedSelector::FileChosen> GifsListWidget::fileChosen() const {
@@ -337,12 +342,15 @@ void GifsListWidget::paintInlineItems(Painter &p, QRect clip) {
 	using namespace InlineBots::Layout;
 	PaintContext context(crl::now(), false, gifPaused, false);
 
-	_mosaic.paint(
-		p,
-		st::stickerPanPadding,
-		st::inlineResultsLeft - st::roundRadiusSmall,
-		clip,
-		context);
+	auto paintItem = [&](const not_null<ItemBase*> item, QPoint point) {
+		p.translate(point.x(), point.y());
+		item->paint(
+			p,
+			clip.translated(-point),
+			&context);
+		p.translate(-point.x(), -point.y());
+	};
+	_mosaic.paint(std::move(paintItem), clip);
 }
 
 void GifsListWidget::mousePressEvent(QMouseEvent *e) {
@@ -520,7 +528,7 @@ void GifsListWidget::refreshSavedGifs() {
 				return layoutPrepareSavedGif(gif);
 			}) | ranges::views::filter([](const LayoutItem *item) {
 				return item != nullptr;
-			}) | ranges::to_vector;
+			}) | ranges::to<std::vector<not_null<LayoutItem*>>>;
 
 			_mosaic.addItems(layouts);
 		}
@@ -610,7 +618,9 @@ void GifsListWidget::deleteUnusedInlineLayouts() {
 }
 
 void GifsListWidget::preloadImages() {
-	_mosaic.preloadImages();
+	_mosaic.forEach([](const not_null<LayoutItem*> item) {
+		item->preload();
+	});
 }
 
 void GifsListWidget::switchToSavedGifs() {
@@ -645,10 +655,11 @@ int GifsListWidget::refreshInlineRows(const InlineCacheEntry *entry, bool result
 			return layoutPrepareInlineResult(r.get());
 		}) | ranges::views::filter([](const LayoutItem *item) {
 			return item != nullptr;
-		}) | ranges::to_vector;
+		}) | ranges::to<std::vector<not_null<LayoutItem*>>>;
 
 		_mosaic.addItems(resultLayouts);
 		added = resultLayouts.size();
+		preloadImages();
 	}
 
 	resizeToWidth(width());
@@ -661,7 +672,11 @@ int GifsListWidget::refreshInlineRows(const InlineCacheEntry *entry, bool result
 }
 
 int GifsListWidget::validateExistingInlineRows(const InlineResults &results) {
-	const auto until = _mosaic.validateExistingRows(results);
+	const auto until = _mosaic.validateExistingRows([&](
+			const not_null<LayoutItem*> item,
+			int untilIndex) {
+		return item->getResult() != results[untilIndex].get();
+	}, results.size());
 
 	if (_mosaic.empty()) {
 		_inlineWithThumb = false;
@@ -853,10 +868,12 @@ void GifsListWidget::updateSelected() {
 	}
 
 	const auto p = mapFromGlobal(_lastMousePos);
-	const auto sx = (rtl() ? width() - p.x() : p.x())
-		- (st::inlineResultsLeft - st::roundRadiusSmall);
-	const auto sy = p.y() - st::stickerPanPadding;
-	const auto &[link, item, selected] = _mosaic.findByPoint({ sx, sy });
+	const auto sx = rtl() ? (width() - p.x()) : p.x();
+	const auto sy = p.y();
+	const auto &[index, exact, relative] = _mosaic.findByPoint({ sx, sy });
+	const auto selected = exact ? index : -1;
+	const auto item = exact ? _mosaic.itemAt(selected) : nullptr;
+	const auto link = exact ? item->getState(relative, {}).link : nullptr;
 
 	if (_selected != selected) {
 		if (const auto s = _mosaic.maybeItemAt(_selected)) {

Telegram/SourceFiles/chat_helpers/gifs_list_widget.h

@@ -10,7 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/tabbed_selector.h"
 #include "base/timer.h"
 #include "inline_bots/inline_bot_layout_item.h"
-#include "inline_bots/inline_results_mosaic_layout.h"
+#include "layout/layout_mosaic.h"
 #include "app.h"
 
 #include <QtCore/QTimer>
@@ -167,7 +167,7 @@ private:
 
 	Footer *_footer = nullptr;
 
-	InlineBots::Layout::MosaicLayout _mosaic;
+	Mosaic::Layout::MosaicLayout<LayoutItem> _mosaic;
 
 	int _selected = -1;
 	int _pressed = -1;

Telegram/SourceFiles/info/media/info_media_list_widget.cpp

@@ -9,7 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "info/info_controller.h"
 #include "overview/overview_layout.h"
-#include "overview/overview_mosaic_layout.h"
+#include "layout/layout_mosaic.h"
 #include "data/data_media_types.h"
 #include "data/data_photo.h"
 #include "data/data_document.h"
@@ -42,8 +42,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtWidgets/QApplication>
 #include <QtGui/QClipboard>
 
-namespace Layout = Overview::Layout;
-
 namespace Info {
 namespace Media {
 namespace {
@@ -88,7 +86,7 @@ bool HasFloatingHeader(Type type) {
 } // namespace
 
 struct ListWidget::Context {
-	Layout::PaintContext layoutContext;
+	Overview::Layout::PaintContext layoutContext;
 	not_null<SelectedMap*> selected;
 	not_null<SelectedMap*> dragSelected;
 	DragSelectAction dragSelectAction;
@@ -98,7 +96,8 @@ class ListWidget::Section {
 public:
 	Section(Type type)
 	: _type(type)
-	, _hasFloatingHeader(HasFloatingHeader(type)) {
+	, _hasFloatingHeader(HasFloatingHeader(type))
+	, _mosaic(st::emojiPanWidth - st::inlineResultsLeft) {
 	}
 
 	bool addItem(not_null<BaseLayout*> item);
@@ -186,7 +185,7 @@ private:
 	int _top = 0;
 	int _height = 0;
 
-	Overview::Layout::MosaicLayout _mosaic;
+	Mosaic::Layout::MosaicLayout<BaseLayout> _mosaic;
 
 };
 
@@ -333,9 +332,10 @@ auto ListWidget::Section::findItemByPoint(
 	Expects(!_items.empty());
 	if (!_mosaic.empty()) {
 		const auto found = _mosaic.findByPoint(point);
-		Assert(found.item != nullptr);
-		const auto rect = findItemRect(found.item);
-		return { found.item, rect, found.exact };
+		Assert(found.index != -1);
+		const auto item = _mosaic.itemAt(found.index);
+		const auto rect = findItemRect(item);
+		return { item, rect, found.exact };
 	}
 	auto itemIt = findItemAfterTop(point.y());
 	if (itemIt == _items.end()) {
@@ -1030,7 +1030,7 @@ std::unique_ptr<BaseLayout> ListWidget::createLayout(
 	};
 
 	auto &songSt = st::overviewFileLayout;
-	using namespace Layout;
+	using namespace Overview::Layout;
 	switch (type) {
 	case Type::Photo:
 		if (const auto photo = getPhoto()) {
@@ -1386,7 +1386,7 @@ void ListWidget::paintEvent(QPaintEvent *e) {
 		fromSectionIt,
 		clip.y() + clip.height());
 	auto context = Context {
-		Layout::PaintContext(ms, hasSelectedItems()),
+		Overview::Layout::PaintContext(ms, hasSelectedItems()),
 		&_selected,
 		&_dragSelected,
 		_dragSelectAction

Telegram/SourceFiles/inline_bots/inline_results_inner.cpp

@@ -79,6 +79,8 @@ Inner::Inner(
 	) | rpl::start_with_next([=](const QSize &s) {
 		_mosaic.setFullWidth(s.width());
 	}, lifetime());
+
+	_mosaic.setRightSkip(st::inlineResultsSkip);
 }
 
 void Inner::visibleTopBottomUpdated(
@@ -189,16 +191,15 @@ void Inner::paintInlineItems(Painter &p, const QRect &r) {
 	context.pathGradient = _pathGradient.get();
 	context.pathGradient->startFrame(0, width(), width() / 2);
 
-	const auto top = st::stickerPanPadding
-		+ (_switchPmButton
-			? _switchPmButton->height() + st::inlineResultsSkip
-			: 0);
-	_mosaic.paint(
-		p,
-		top,
-		st::inlineResultsLeft - st::roundRadiusSmall,
-		r,
-		context);
+	auto paintItem = [&](const not_null<ItemBase*> item, QPoint point) {
+		p.translate(point.x(), point.y());
+		item->paint(
+			p,
+			r.translated(-point),
+			&context);
+		p.translate(-point.x(), -point.y());
+	};
+	_mosaic.paint(std::move(paintItem), r);
 }
 
 void Inner::mousePressEvent(QMouseEvent *e) {
@@ -377,7 +378,9 @@ void Inner::deleteUnusedInlineLayouts() {
 }
 
 void Inner::preloadImages() {
-	_mosaic.preloadImages();
+	_mosaic.forEach([](const not_null<ItemBase*> item) {
+		item->preload();
+	});
 }
 
 void Inner::hideInlineRowsPanel() {
@@ -388,6 +391,16 @@ void Inner::clearInlineRowsPanel() {
 	clearInlineRows(false);
 }
 
+void Inner::refreshMosaicOffset() {
+	const auto top = st::stickerPanPadding
+		+ (_switchPmButton
+			? _switchPmButton->height() + st::inlineResultsSkip
+			: 0);
+	_mosaic.setOffset(
+		st::inlineResultsLeft - st::roundRadiusSmall,
+		top);
+}
+
 void Inner::refreshSwitchPmButton(const CacheEntry *entry) {
 	if (!entry || entry->switchPmText.isEmpty()) {
 		_switchPmButton.destroy();
@@ -414,6 +427,7 @@ int Inner::refreshInlineRows(PeerData *queryPeer, UserData *bot, const CacheEntr
 	_inlineBot = bot;
 	_inlineQueryPeer = queryPeer;
 	refreshSwitchPmButton(entry);
+	refreshMosaicOffset();
 	auto clearResults = [&] {
 		if (!entry) {
 			return true;
@@ -449,10 +463,11 @@ int Inner::refreshInlineRows(PeerData *queryPeer, UserData *bot, const CacheEntr
 			return layoutPrepareInlineResult(r.get());
 		}) | ranges::views::filter([](const ItemBase *item) {
 			return item != nullptr;
-		}) | ranges::to_vector;
+		}) | ranges::to<std::vector<not_null<ItemBase*>>>;
 
 		_mosaic.addItems(resultItems);
 		added = resultItems.size();
+		preloadImages();
 	}
 
 	auto h = countHeight();
@@ -466,7 +481,11 @@ int Inner::refreshInlineRows(PeerData *queryPeer, UserData *bot, const CacheEntr
 }
 
 int Inner::validateExistingInlineRows(const Results &results) {
-	const auto until = _mosaic.validateExistingRows(results);
+	const auto until = _mosaic.validateExistingRows([&](
+			const not_null<ItemBase*> item,
+			int untilIndex) {
+		return item->getResult() != results[untilIndex].get();
+	}, results.size());
 
 	if (_mosaic.empty()) {
 		_inlineWithThumb = false;
@@ -528,15 +547,12 @@ void Inner::updateSelected() {
 	}
 
 	const auto p = mapFromGlobal(_lastMousePos);
-
-	const auto sx = (rtl() ? width() - p.x() : p.x())
-		- (st::inlineResultsLeft - st::roundRadiusSmall);
-	const auto sy = p.y()
-		- st::stickerPanPadding
-		- (_switchPmButton
-			? _switchPmButton->height() + st::inlineResultsSkip
-			: 0);
-	const auto &[link, item, selected] = _mosaic.findByPoint({ sx, sy });
+	const auto sx = rtl() ? (width() - p.x()) : p.x();
+	const auto sy = p.y();
+	const auto &[index, exact, relative] = _mosaic.findByPoint({ sx, sy });
+	const auto selected = exact ? index : -1;
+	const auto item = exact ? _mosaic.itemAt(selected) : nullptr;
+	const auto link = exact ? item->getState(relative, {}).link : nullptr;
 
 	if (_selected != selected) {
 		if (const auto s = _mosaic.maybeItemAt(_selected)) {

Telegram/SourceFiles/inline_bots/inline_results_inner.h

@@ -16,7 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/timer.h"
 #include "mtproto/sender.h"
 #include "inline_bots/inline_bot_layout_item.h"
-#include "inline_bots/inline_results_mosaic_layout.h"
+#include "layout/layout_mosaic.h"
 
 namespace Api {
 struct SendOptions;
@@ -131,6 +131,7 @@ private:
 	void paintInlineItems(Painter &p, const QRect &r);
 
 	void refreshSwitchPmButton(const CacheEntry *entry);
+	void refreshMosaicOffset();
 
 	void showPreview();
 	void updateInlineItems();
@@ -165,7 +166,7 @@ private:
 
 	base::unique_qptr<Ui::PopupMenu> _menu;
 
-	InlineBots::Layout::MosaicLayout _mosaic;
+	Mosaic::Layout::MosaicLayout<InlineBots::Layout::ItemBase> _mosaic;
 
 	std::map<Result*, std::unique_ptr<ItemBase>> _inlineLayouts;
 

Telegram/SourceFiles/inline_bots/inline_results_mosaic_layout.cpp

@@ -1,341 +0,0 @@
-/*
-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 "inline_bots/inline_results_mosaic_layout.h"
-
-#include "history/view/history_view_cursor_state.h"
-#include "layout/layout_position.h"
-#include "styles/style_chat_helpers.h"
-
-namespace InlineBots::Layout {
-namespace {
-
-constexpr auto kInlineItemsMaxPerRow = 5;
-
-} // namespace
-
-MosaicLayout::MosaicLayout(int bigWidth)
-: _bigWidth(bigWidth) {
-}
-
-void MosaicLayout::setFullWidth(int w) {
-	_width = w;
-}
-
-bool MosaicLayout::empty() const {
-	return _rows.empty();
-}
-
-int MosaicLayout::rowsCount() const {
-	return _rows.size();
-}
-
-int MosaicLayout::countDesiredHeight(int newWidth) {
-	auto result = 0;
-	for (auto &row : _rows) {
-		layoutRow(row, newWidth);
-		result += row.height;
-	}
-	return result;
-}
-
-not_null<ItemBase*> MosaicLayout::itemAt(int row, int column) const {
-	Expects((row >= 0)
-		&& (row < _rows.size())
-		&& (column >= 0)
-		&& (column < _rows[row].items.size()));
-	return _rows[row].items[column];
-}
-
-not_null<ItemBase*> MosaicLayout::itemAt(int index) const {
-	const auto &[row, column] = ::Layout::IndexToPosition(index);
-	return itemAt(row, column);
-}
-
-ItemBase *MosaicLayout::maybeItemAt(int row, int column) const {
-	if ((row >= 0)
-		&& (row < _rows.size())
-		&& (column >= 0)
-		&& (column < _rows[row].items.size())) {
-		return _rows[row].items[column];
-	}
-	return nullptr;
-}
-
-ItemBase *MosaicLayout::maybeItemAt(int index) const {
-	const auto &[row, column] = ::Layout::IndexToPosition(index);
-	return maybeItemAt(row, column);
-}
-
-void MosaicLayout::addItems(const std::vector<ItemBase*> &items) {
-	_rows.reserve(items.size());
-	auto row = Row();
-	row.items.reserve(kInlineItemsMaxPerRow);
-	auto sumWidth = 0;
-	for (const auto &item : items) {
-		addItem(item, row, sumWidth);
-	}
-	rowFinalize(row, sumWidth, true);
-}
-
-void MosaicLayout::addItem(
-		not_null<ItemBase*> item,
-		Row &row,
-		int &sumWidth) {
-	item->preload();
-
-	using namespace ::Layout;
-	item->setPosition(PositionToIndex(_rows.size(), row.items.size()));
-	if (rowFinalize(row, sumWidth, item->isFullLine())) {
-		item->setPosition(PositionToIndex(_rows.size(), 0));
-	}
-
-	sumWidth += item->maxWidth();
-	if (!row.items.empty() && row.items.back()->hasRightSkip()) {
-		sumWidth += st::inlineResultsSkip;
-	}
-
-	row.items.push_back(item);
-}
-
-bool MosaicLayout::rowFinalize(Row &row, int &sumWidth, bool force) {
-	if (row.items.empty()) {
-		return false;
-	}
-
-	const auto full = (row.items.size() >= kInlineItemsMaxPerRow);
-	// Currently use the same GIFs layout for all widget sizes.
-	const auto big = (sumWidth >= _bigWidth);
-	if (full || big || force) {
-		row.maxWidth = (full || big) ? sumWidth : 0;
-		layoutRow(row, _width);
-		_rows.push_back(std::move(row));
-		row = Row();
-		row.items.reserve(kInlineItemsMaxPerRow);
-		sumWidth = 0;
-		return true;
-	}
-	return false;
-}
-
-void MosaicLayout::layoutRow(Row &row, int fullWidth) {
-	const auto count = int(row.items.size());
-	Assert(count <= kInlineItemsMaxPerRow);
-
-	// Enumerate items in the order of growing maxWidth()
-	// for that sort item indices by maxWidth().
-	int indices[kInlineItemsMaxPerRow];
-	for (auto i = 0; i != count; ++i) {
-		indices[i] = i;
-	}
-	std::sort(indices, indices + count, [&](int a, int b) {
-		return row.items[a]->maxWidth() < row.items[b]->maxWidth();
-	});
-
-	auto desiredWidth = row.maxWidth;
-	row.height = 0;
-	auto availableWidth = fullWidth
-		- (st::inlineResultsLeft - st::roundRadiusSmall);
-	for (auto i = 0; i < count; ++i) {
-		const auto index = indices[i];
-		const auto &item = row.items[index];
-		const auto w = desiredWidth
-			? (item->maxWidth() * availableWidth / desiredWidth)
-			: item->maxWidth();
-		const auto actualWidth = std::max(w, st::inlineResultsMinWidth);
-		row.height = std::max(row.height, item->resizeGetHeight(actualWidth));
-		if (desiredWidth) {
-			availableWidth -= actualWidth;
-			desiredWidth -= row.items[index]->maxWidth();
-			if (index > 0 && row.items[index - 1]->hasRightSkip()) {
-				availableWidth -= st::inlineResultsSkip;
-				desiredWidth -= st::inlineResultsSkip;
-			}
-		}
-	}
-}
-
-void MosaicLayout::paint(
-		Painter &p,
-		int top,
-		int startLeft,
-		const QRect &clip,
-		PaintContext &context) {
-	const auto fromX = rtl() ? (_width - clip.x() - clip.width()) : clip.x();
-	const auto toX = rtl() ? (_width - clip.x()) : (clip.x() + clip.width());
-	const auto rows = _rows.size();
-	for (auto row = 0; row != rows; ++row) {
-		if (top >= clip.top() + clip.height()) {
-			break;
-		}
-		auto &inlineRow = _rows[row];
-		if ((top + inlineRow.height) > clip.top()) {
-			auto left = startLeft;
-			if (row == (rows - 1)) {
-				context.lastRow = true;
-			}
-			for (const auto &item : inlineRow.items) {
-				if (left >= toX) {
-					break;
-				}
-
-				const auto w = item->width();
-				if ((left + w) > fromX) {
-					p.translate(left, top);
-					item->paint(p, clip.translated(-left, -top), &context);
-					p.translate(-left, -top);
-				}
-				left += w;
-				if (item->hasRightSkip()) {
-					left += st::inlineResultsSkip;
-				}
-			}
-		}
-		top += inlineRow.height;
-	}
-}
-
-void MosaicLayout::clearRows(bool resultsDeleted) {
-	if (!resultsDeleted) {
-		for (const auto &row : _rows) {
-			for (const auto &item : row.items) {
-				item->setPosition(-1);
-			}
-		}
-	}
-	_rows.clear();
-}
-
-void MosaicLayout::preloadImages() {
-	for (const auto &row : _rows) {
-		for (const auto &item : row.items) {
-			item->preload();
-		}
-	}
-}
-
-int MosaicLayout::validateExistingRows(const Results &results) {
-	const auto count = results.size();
-	auto until = 0;
-	auto untilRow = 0;
-	auto untilCol = 0;
-	while (until < count) {
-		auto &rowItems = _rows[untilRow].items;
-		if ((untilRow >= _rows.size())
-			|| (rowItems[untilCol]->getResult() != results[until].get())) {
-			break;
-		}
-		++until;
-		if (++untilCol == rowItems.size()) {
-			++untilRow;
-			untilCol = 0;
-		}
-	}
-	if (until == count) { // All items are layed out.
-		if (untilRow == _rows.size()) { // Nothing changed.
-			return until;
-		}
-
-		{
-			const auto rows = _rows.size();
-			auto skip = untilCol;
-			for (auto i = untilRow; i < rows; ++i) {
-				for (const auto &item : _rows[i].items) {
-					if (skip) {
-						--skip;
-					} else {
-						item->setPosition(-1);
-					}
-				}
-			}
-		}
-		if (!untilCol) { // All good rows are filled.
-			_rows.resize(untilRow);
-			return until;
-		}
-		_rows.resize(untilRow + 1);
-		_rows[untilRow].items.resize(untilCol);
-		_rows[untilRow].maxWidth = ranges::accumulate(
-			_rows[untilRow].items,
-			0,
-			[](int w, auto &row) { return w + row->maxWidth(); });
-		layoutRow(_rows[untilRow], _width);
-		return until;
-	}
-	if (untilRow && !untilCol) { // Remove last row, maybe it is not full.
-		--untilRow;
-		untilCol = _rows[untilRow].items.size();
-	}
-	until -= untilCol;
-
-	for (auto i = untilRow; i < _rows.size(); ++i) {
-		for (const auto &item : _rows[i].items) {
-			item->setPosition(-1);
-		}
-	}
-	_rows.resize(untilRow);
-
-	return until;
-}
-
-int MosaicLayout::columnsCountAt(int row) const {
-	Expects(row >= 0 && row < _rows.size());
-	return _rows[row].items.size();
-}
-
-int MosaicLayout::rowHeightAt(int row) {
-	Expects(row >= 0 && row < _rows.size());
-	return _rows[row].height;
-}
-
-MosaicLayout::FoundItem MosaicLayout::findByPoint(const QPoint &globalPoint) {
-	auto sx = globalPoint.x();
-	auto sy = globalPoint.y();
-	auto row = -1;
-	auto col = -1;
-	auto sel = -1;
-	ClickHandlerPtr link;
-	ItemBase *item = nullptr;
-	if (sy >= 0) {
-		row = 0;
-		for (auto rows = rowsCount(); row < rows; ++row) {
-			const auto rowHeight = _rows[row].height;
-			if (sy < rowHeight) {
-				break;
-			}
-			sy -= rowHeight;
-		}
-	}
-	if (sx >= 0 && row >= 0 && row < rowsCount()) {
-		const auto columnsCount = _rows[row].items.size();
-		col = 0;
-		for (int cols = columnsCount; col < cols; ++col) {
-			const auto item = itemAt(row, col);
-			const auto width = item->width();
-			if (sx < width) {
-				break;
-			}
-			sx -= width;
-			if (item->hasRightSkip()) {
-				sx -= st::inlineResultsSkip;
-			}
-		}
-		if (col < columnsCount) {
-			item = itemAt(row, col);
-			sel = ::Layout::PositionToIndex(row, + col);
-			const auto result = item->getState(QPoint(sx, sy), {});
-			link = result.link;
-		} else {
-			row = col = -1;
-		}
-	} else {
-		row = col = -1;
-	}
-	return { link, item, sel };
-}
-
-} // namespace InlineBots::Layout

Telegram/SourceFiles/inline_bots/inline_results_mosaic_layout.h

@@ -1,76 +0,0 @@
-/*
-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
-*/
-#pragma once
-
-#include "inline_bots/inline_bot_layout_item.h"
-
-namespace InlineBots {
-class Result;
-} // namespace InlineBots
-
-namespace InlineBots::Layout {
-
-using Results = std::vector<std::unique_ptr<Result>>;
-
-class MosaicLayout final {
-public:
-	struct FoundItem {
-		ClickHandlerPtr link;
-		ItemBase *item = nullptr;
-		int index = -1;
-	};
-	MosaicLayout(int bigWidth);
-
-	[[nodiscard]] int rowHeightAt(int row);
-	[[nodiscard]] int countDesiredHeight(int newWidth);
-
-	[[nodiscard]] FoundItem findByPoint(const QPoint &globalPoint);
-
-	void addItems(const std::vector<ItemBase*> &items);
-
-	void setFullWidth(int w);
-	[[nodiscard]] bool empty() const;
-
-	[[nodiscard]] int rowsCount() const;
-	[[nodiscard]] int columnsCountAt(int row) const;
-
-	[[nodiscard]] not_null<ItemBase*> itemAt(int row, int column) const;
-	[[nodiscard]] not_null<ItemBase*> itemAt(int index) const;
-	[[nodiscard]] ItemBase *maybeItemAt(int row, int column) const;
-	[[nodiscard]] ItemBase *maybeItemAt(int index) const;
-
-	void clearRows(bool resultsDeleted);
-	[[nodiscard]]int validateExistingRows(const Results &results);
-
-	void preloadImages();
-
-	void paint(
-		Painter &p,
-		int top,
-		int startLeft,
-		const QRect &clip,
-		PaintContext &context);
-
-private:
-	struct Row {
-		int maxWidth = 0;
-		int height = 0;
-		std::vector<ItemBase*> items;
-	};
-
-	void addItem(not_null<ItemBase*> item, Row &row, int &sumWidth);
-
-	bool rowFinalize(Row &row, int &sumWidth, bool force);
-	void layoutRow(Row &row, int fullWidth);
-
-	const int _bigWidth;
-	int _width = 0;
-	std::vector<Row> _rows;
-};
-
-} // namespace InlineBots::Layout

Telegram/SourceFiles/overview/overview_mosaic_layout.cpp

@@ -1,327 +0,0 @@
-/*
-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 "overview/overview_mosaic_layout.h"
-
-#include "history/view/history_view_cursor_state.h"
-#include "layout/layout_position.h"
-#include "styles/style_chat_helpers.h"
-
-namespace Overview::Layout {
-namespace {
-
-constexpr auto kInlineItemsMaxPerRow = 5;
-
-} // namespace
-
-MosaicLayout::MosaicLayout()
-: _bigWidth(st::emojiPanWidth - st::inlineResultsLeft) {
-}
-
-void MosaicLayout::setRightSkip(int rightSkip) {
-	_rightSkip = rightSkip;
-}
-
-void MosaicLayout::setOffset(int left, int top) {
-	_offset = { left, top };
-}
-
-void MosaicLayout::setFullWidth(int w) {
-	_width = w;
-}
-
-bool MosaicLayout::empty() const {
-	return _rows.empty();
-}
-
-int MosaicLayout::rowsCount() const {
-	return _rows.size();
-}
-
-int MosaicLayout::countDesiredHeight(int newWidth) {
-	auto result = 0;
-	for (auto &row : _rows) {
-		layoutRow(row, newWidth ? newWidth : _width);
-		result += row.height;
-	}
-	return result;
-}
-
-not_null<ItemBase*> MosaicLayout::itemAt(int row, int column) const {
-	Expects((row >= 0)
-		&& (row < _rows.size())
-		&& (column >= 0)
-		&& (column < _rows[row].items.size()));
-	return _rows[row].items[column];
-}
-
-not_null<ItemBase*> MosaicLayout::itemAt(int index) const {
-	const auto &[row, column] = ::Layout::IndexToPosition(index);
-	return itemAt(row, column);
-}
-
-ItemBase *MosaicLayout::maybeItemAt(int row, int column) const {
-	if ((row >= 0)
-		&& (row < _rows.size())
-		&& (column >= 0)
-		&& (column < _rows[row].items.size())) {
-		return _rows[row].items[column];
-	}
-	return nullptr;
-}
-
-ItemBase *MosaicLayout::maybeItemAt(int index) const {
-	const auto &[row, column] = ::Layout::IndexToPosition(index);
-	return maybeItemAt(row, column);
-}
-
-void MosaicLayout::addItems(const std::vector<not_null<ItemBase*>> &items) {
-	_rows.reserve(items.size());
-	auto row = Row();
-	row.items.reserve(kInlineItemsMaxPerRow);
-	auto sumWidth = 0;
-	for (const auto &item : items) {
-		addItem(item, row, sumWidth);
-	}
-	rowFinalize(row, sumWidth, true);
-}
-
-void MosaicLayout::addItem(
-		not_null<ItemBase*> item,
-		Row &row,
-		int &sumWidth) {
-	// item->preload();
-
-	using namespace ::Layout;
-	item->setPosition(PositionToIndex(_rows.size(), row.items.size()));
-	if (rowFinalize(row, sumWidth, false)) {
-		item->setPosition(PositionToIndex(_rows.size(), 0));
-	}
-
-	sumWidth += item->maxWidth();
-	if (!row.items.empty() && _rightSkip) {
-		sumWidth += _rightSkip;
-	}
-
-	row.items.push_back(item);
-}
-
-bool MosaicLayout::rowFinalize(Row &row, int &sumWidth, bool force) {
-	if (row.items.empty()) {
-		return false;
-	}
-
-	const auto full = (row.items.size() >= kInlineItemsMaxPerRow);
-	// Currently use the same GIFs layout for all widget sizes.
-	const auto big = (sumWidth >= _bigWidth);
-	if (full || big || force) {
-		row.maxWidth = (full || big) ? sumWidth : 0;
-		layoutRow(row, _width);
-		_rows.push_back(std::move(row));
-		row = Row();
-		row.items.reserve(kInlineItemsMaxPerRow);
-		sumWidth = 0;
-		return true;
-	}
-	return false;
-}
-
-void MosaicLayout::layoutRow(Row &row, int fullWidth) {
-	const auto count = int(row.items.size());
-	Assert(count <= kInlineItemsMaxPerRow);
-
-	// Enumerate items in the order of growing maxWidth()
-	// for that sort item indices by maxWidth().
-	int indices[kInlineItemsMaxPerRow];
-	for (auto i = 0; i != count; ++i) {
-		indices[i] = i;
-	}
-	std::sort(indices, indices + count, [&](int a, int b) {
-		return row.items[a]->maxWidth() < row.items[b]->maxWidth();
-	});
-
-	auto desiredWidth = row.maxWidth;
-	row.height = 0;
-	auto availableWidth = fullWidth
-		- (st::inlineResultsLeft - st::roundRadiusSmall);
-	for (auto i = 0; i < count; ++i) {
-		const auto index = indices[i];
-		const auto &item = row.items[index];
-		const auto w = desiredWidth
-			? (item->maxWidth() * availableWidth / desiredWidth)
-			: item->maxWidth();
-		const auto actualWidth = std::max(w, st::inlineResultsMinWidth);
-		row.height = std::max(row.height, item->resizeGetHeight(actualWidth));
-		if (desiredWidth) {
-			availableWidth -= actualWidth;
-			desiredWidth -= row.items[index]->maxWidth();
-			if (index > 0 && _rightSkip) {
-				availableWidth -= _rightSkip;
-				desiredWidth -= _rightSkip;
-			}
-		}
-	}
-}
-
-QRect MosaicLayout::findRect(int index) const {
-	const auto clip = QRect(0, 0, _width, 100);
-	const auto fromX = rtl() ? (_width - clip.x() - clip.width()) : clip.x();
-	const auto toX = rtl() ? (_width - clip.x()) : (clip.x() + clip.width());
-	const auto rows = _rows.size();
-	auto top = 0;
-	for (auto row = 0; row != rows; ++row) {
-		auto &inlineRow = _rows[row];
-		// if ((top + inlineRow.height) > clip.top()) {
-			auto left = 0;
-			if (row == (rows - 1)) {
-//				context.lastRow = true;
-			}
-			for (const auto &item : inlineRow.items) {
-				if (left >= toX) {
-					break;
-				}
-
-				const auto w = item->width();
-				if ((left + w) > fromX) {
-					if (item->position() == index) {
-						return QRect(
-							left + _offset.x(),
-							top + _offset.y(),
-							item->width(),
-							item->height());
-					}
-				}
-				left += w;
-				left += _rightSkip;
-			}
-		// }
-		top += inlineRow.height;
-	}
-	return QRect();
-}
-
-void MosaicLayout::paint(
-		Fn<void(const not_null<ItemBase*>, QPoint)> paintItemCallback,
-		const QRect &clip) const {
-	auto top = _offset.y();
-	const auto fromX = rtl() ? (_width - clip.x() - clip.width()) : clip.x();
-	const auto toX = rtl() ? (_width - clip.x()) : (clip.x() + clip.width());
-	const auto rows = _rows.size();
-	for (auto row = 0; row != rows; ++row) {
-		if (top >= clip.top() + clip.height()) {
-			break;
-		}
-		auto &inlineRow = _rows[row];
-		if ((top + inlineRow.height) > clip.top()) {
-			auto left = _offset.x();
-			if (row == (rows - 1)) {
-//				context.lastRow = true;
-			}
-			for (const auto &item : inlineRow.items) {
-				if (left >= toX) {
-					break;
-				}
-
-				const auto w = item->width();
-				if ((left + w) > fromX) {
-					paintItemCallback(item, QPoint(left, top));
-				}
-				left += w;
-				left += _rightSkip;
-			}
-		}
-		top += inlineRow.height;
-	}
-}
-
-void MosaicLayout::clearRows(bool resultsDeleted) {
-	if (!resultsDeleted) {
-		for (const auto &row : _rows) {
-			for (const auto &item : row.items) {
-				item->setPosition(-1);
-			}
-		}
-	}
-	_rows.clear();
-}
-
-void MosaicLayout::preloadImages() {
-	// for (const auto &row : _rows) {
-	// 	for (const auto &item : row.items) {
-	// 		item->preload();
-	// 	}
-	// }
-}
-
-int MosaicLayout::columnsCountAt(int row) const {
-	Expects(row >= 0 && row < _rows.size());
-	return _rows[row].items.size();
-}
-
-int MosaicLayout::rowHeightAt(int row) const {
-	Expects(row >= 0 && row < _rows.size());
-	return _rows[row].height;
-}
-
-MosaicLayout::FoundItem MosaicLayout::findByPoint(
-		const QPoint &globalPoint) const {
-	auto sx = globalPoint.x() - _offset.x();
-	auto sy = globalPoint.y() - _offset.y();
-	auto row = -1;
-	auto col = -1;
-	auto sel = -1;
-	bool exact = true;
-	ClickHandlerPtr link;
-	ItemBase *item = nullptr;
-	if (sy >= 0) {
-		row = 0;
-		for (auto rows = rowsCount(); row < rows; ++row) {
-			const auto rowHeight = _rows[row].height;
-			if (sy < rowHeight) {
-				break;
-			}
-			sy -= rowHeight;
-		}
-	} else {
-		row = 0;
-		exact = false;
-	}
-	if (row >= rowsCount()) {
-		row = rowsCount() - 1;
-		exact = false;
-	}
-	if (sx < 0) {
-		sx = 0;
-		exact = false;
-	}
-	if (sx >= 0 && row >= 0 && row < rowsCount()) {
-		const auto columnsCount = _rows[row].items.size();
-		col = 0;
-		for (int cols = columnsCount; col < cols; ++col) {
-			const auto item = itemAt(row, col);
-			const auto width = item->width();
-			if (sx < width) {
-				break;
-			}
-			sx -= width;
-			sx -= _rightSkip;
-		}
-		if (col >= columnsCount) {
-			col = columnsCount - 1;
-			exact = false;
-		}
-		item = itemAt(row, col);
-		sel = ::Layout::PositionToIndex(row, + col);
-		const auto result = item->getState(QPoint(sx, sy), {});
-		link = result.link;
-	} else {
-		row = col = -1;
-	}
-	return { link, item, sel, exact };
-}
-
-} // namespace Overview::Layout

Telegram/SourceFiles/overview/overview_mosaic_layout.h

@@ -1,72 +0,0 @@
-/*
-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
-*/
-#pragma once
-
-#include "overview/overview_layout.h"
-
-namespace Overview::Layout {
-
-class MosaicLayout final {
-public:
-	struct FoundItem {
-		ClickHandlerPtr link;
-		ItemBase *item = nullptr;
-		int index = -1;
-		bool exact = false;
-	};
-	MosaicLayout();
-
-	[[nodiscard]] int rowHeightAt(int row) const;
-	[[nodiscard]] int countDesiredHeight(int newWidth);
-
-	[[nodiscard]] FoundItem findByPoint(const QPoint &globalPoint) const;
-	[[nodiscard]] QRect findRect(int index) const;
-
-	void addItems(const std::vector<not_null<ItemBase*>> &items);
-
-	void setRightSkip(int rightSkip);
-	void setFullWidth(int w);
-	void setOffset(int left, int top);
-	[[nodiscard]] bool empty() const;
-
-	[[nodiscard]] int rowsCount() const;
-	[[nodiscard]] int columnsCountAt(int row) const;
-
-	[[nodiscard]] not_null<ItemBase*> itemAt(int row, int column) const;
-	[[nodiscard]] not_null<ItemBase*> itemAt(int index) const;
-	[[nodiscard]] ItemBase *maybeItemAt(int row, int column) const;
-	[[nodiscard]] ItemBase *maybeItemAt(int index) const;
-
-	void clearRows(bool resultsDeleted);
-
-	void preloadImages();
-
-	void paint(
-		Fn<void(const not_null<ItemBase*>, QPoint)> paintItemCallback,
-		const QRect &clip) const;
-
-private:
-	struct Row {
-		int maxWidth = 0;
-		int height = 0;
-		std::vector<ItemBase*> items;
-	};
-
-	void addItem(not_null<ItemBase*> item, Row &row, int &sumWidth);
-
-	bool rowFinalize(Row &row, int &sumWidth, bool force);
-	void layoutRow(Row &row, int fullWidth);
-
-	int _bigWidth;
-	int _width = 0;
-	int _rightSkip = 0;
-	QPoint _offset;
-	std::vector<Row> _rows;
-};
-
-} // namespace Overview::Layout