Add context menu support to info members list.

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -29,6 +29,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 #include "ui/widgets/multi_select.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/scroll_area.h"
+#include "ui/widgets/popup_menu.h"
 #include "ui/effects/round_checkbox.h"
 #include "ui/effects/ripple_animation.h"
 #include "ui/wrap/slide_wrap.h"
@@ -863,7 +864,10 @@ void PeerListContent::leaveEventHook(QEvent *e) {
 }
 
 void PeerListContent::mouseMoveEvent(QMouseEvent *e) {
-	auto position = e->globalPos();
+	handleMouseMove(e->globalPos());
+}
+
+void PeerListContent::handleMouseMove(QPoint position) {
 	if (_mouseSelection || _lastMousePosition != position) {
 		_lastMousePosition = position;
 		_mouseSelection = true;
@@ -872,6 +876,7 @@ void PeerListContent::mouseMoveEvent(QMouseEvent *e) {
 }
 
 void PeerListContent::mousePressEvent(QMouseEvent *e) {
+	_pressButton = e->button();
 	_mouseSelection = true;
 	_lastMousePosition = e->globalPos();
 	updateSelection();
@@ -896,12 +901,16 @@ void PeerListContent::mousePressEvent(QMouseEvent *e) {
 }
 
 void PeerListContent::mouseReleaseEvent(QMouseEvent *e) {
+	mousePressReleased(e->button());
+}
+
+void PeerListContent::mousePressReleased(Qt::MouseButton button) {
 	updateRow(_pressed.index);
 	updateRow(_selected.index);
 
 	auto pressed = _pressed;
 	setPressed(Selected());
-	if (e->button() == Qt::LeftButton && pressed == _selected) {
+	if (button == Qt::LeftButton && pressed == _selected) {
 		if (auto row = getRow(pressed.index)) {
 			if (pressed.action) {
 				_controller->rowActionClicked(row);
@@ -912,6 +921,41 @@ void PeerListContent::mouseReleaseEvent(QMouseEvent *e) {
 	}
 }
 
+void PeerListContent::contextMenuEvent(QContextMenuEvent *e) {
+	if (_menu) {
+		_menu->deleteLater();
+		_menu = nullptr;
+	}
+	if (_context.index.value >= 0) {
+		updateRow(_context.index);
+		_context = Selected();
+	}
+
+	if (e->reason() == QContextMenuEvent::Mouse) {
+		handleMouseMove(e->globalPos());
+	}
+
+	_context = _selected;
+	if (_pressButton != Qt::LeftButton) {
+		mousePressReleased(_pressButton);
+	}
+
+	if (auto row = getRow(_context.index)) {
+		_menu = _controller->rowContextMenu(row);
+		if (_menu) {
+			_menu->setDestroyedCallback(base::lambda_guarded(
+				this,
+				[this] {
+					updateRow(_context.index);
+					_context = Selected();
+					handleMouseMove(QCursor::pos());
+				}));
+			_menu->popup(e->globalPos());
+			e->accept();
+		}
+	}
+}
+
 void PeerListContent::setPressed(Selected pressed) {
 	if (auto row = getRow(_pressed.index)) {
 		row->stopLastRipple();
@@ -933,7 +977,11 @@ TimeMs PeerListContent::paintRow(Painter &p, TimeMs ms, RowIndex index) {
 
 	auto peer = row->peer();
 	auto user = peer->asUser();
-	auto active = (_pressed.index.value >= 0) ? _pressed : _selected;
+	auto active = (_context.index.value >= 0)
+		? _context
+		: (_pressed.index.value >= 0)
+		? _pressed
+		: _selected;
 	auto selected = (active.index == index);
 	auto actionSelected = (selected && active.action);
 

Telegram/SourceFiles/boxes/peer_list_box.h

@@ -39,6 +39,7 @@ template <typename Widget>
 class SlideWrap;
 class FlatLabel;
 struct ScrollToRequest;
+class PopupMenu;
 } // namespace Ui
 
 namespace Notify {
@@ -238,8 +239,8 @@ public:
 	virtual void peerListScrollToTop() = 0;
 	virtual int peerListFullRowsCount() = 0;
 	virtual PeerListRow *peerListFindRow(PeerListRowId id) = 0;
-	virtual void peerListSortRows(base::lambda<bool(PeerListRow &a, PeerListRow &b)> compare) = 0;
-	virtual int peerListPartitionRows(base::lambda<bool(PeerListRow &a)> border) = 0;
+	virtual void peerListSortRows(base::lambda<bool(const PeerListRow &a, const PeerListRow &b)> compare) = 0;
+	virtual int peerListPartitionRows(base::lambda<bool(const PeerListRow &a)> border) = 0;
 
 	template <typename PeerDataRange>
 	void peerListAddSelectedRows(PeerDataRange &&range) {
@@ -306,6 +307,10 @@ public:
 	}
 	virtual void itemDeselectedHook(not_null<PeerData*> peer) {
 	}
+	virtual Ui::PopupMenu *rowContextMenu(
+			not_null<PeerListRow*> row) {
+		return nullptr;
+	}
 	bool isSearchLoading() const {
 		return _searchController ? _searchController->isLoading() : false;
 	}
@@ -429,6 +434,7 @@ protected:
 	void mouseMoveEvent(QMouseEvent *e) override;
 	void mousePressEvent(QMouseEvent *e) override;
 	void mouseReleaseEvent(QMouseEvent *e) override;
+	void contextMenuEvent(QContextMenuEvent *e) override;
 
 private:
 	void refreshIndices();
@@ -505,6 +511,8 @@ private:
 	int labelHeight() const;
 
 	void clearSearchRows();
+	void handleMouseMove(QPoint position);
+	void mousePressReleased(Qt::MouseButton button);
 
 	const style::PeerList &_st;
 	not_null<PeerListController*> _controller;
@@ -516,7 +524,9 @@ private:
 
 	Selected _selected;
 	Selected _pressed;
+	Selected _context;
 	bool _mouseSelection = false;
+	Qt::MouseButton _pressButton = Qt::LeftButton;
 
 	rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
 
@@ -540,6 +550,7 @@ private:
 
 	std::vector<std::unique_ptr<PeerListRow>> _searchRows;
 	base::Timer _repaintByStatus;
+	QPointer<Ui::PopupMenu> _menu;
 
 };
 
@@ -615,7 +626,7 @@ public:
 		_content->setSearchMode(mode);
 	}
 	void peerListSortRows(
-			base::lambda<bool(PeerListRow &a, PeerListRow &b)> compare) override {
+			base::lambda<bool(const PeerListRow &a, const PeerListRow &b)> compare) override {
 		_content->reorderRows([compare = std::move(compare)](
 				auto &&begin,
 				auto &&end) {
@@ -625,7 +636,7 @@ public:
 		});
 	}
 	int peerListPartitionRows(
-			base::lambda<bool(PeerListRow &a)> border) override {
+			base::lambda<bool(const PeerListRow &a)> border) override {
 		auto result = 0;
 		_content->reorderRows([border = std::move(border), &result](
 				auto &&begin,

Telegram/SourceFiles/boxes/peer_list_controllers.cpp

@@ -243,8 +243,8 @@ void ChatsListBoxController::rebuildRows() {
 	added += appendList(App::main()->contactsNoDialogsList());
 	if (!wasEmpty && added > 0) {
 		// Place dialogs list before contactsNoDialogs list.
-		delegate()->peerListPartitionRows([](PeerListRow &a) {
-			auto history = static_cast<Row&>(a).history();
+		delegate()->peerListPartitionRows([](const PeerListRow &a) {
+			auto history = static_cast<const Row&>(a).history();
 			return history->inChatList(Dialogs::Mode::All);
 		});
 	}