Improve Emoji-Stickers-GIFs panel.

Fix broken minimal panel size.
Remove HistoryWidget context menu from the panel.

Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp

@@ -98,8 +98,10 @@ void TabbedPanel::updateContentHeight() {
 	}
 
 	auto addedHeight = innerPadding().top() + innerPadding().bottom();
-	auto wantedContentHeight = qRound(st::emojiPanHeightRatio * _bottom) - addedHeight;
-	auto contentHeight = snap(wantedContentHeight, st::emojiPanMinHeight, st::emojiPanMaxHeight);
+	auto marginsHeight = _selector->marginTop() + _selector->marginBottom();
+	auto availableHeight = _bottom - marginsHeight;
+	auto wantedContentHeight = qRound(st::emojiPanHeightRatio * availableHeight) - addedHeight;
+	auto contentHeight = marginsHeight + snap(wantedContentHeight, st::emojiPanMinHeight, st::emojiPanMaxHeight);
 	auto resultTop = _bottom - addedHeight - contentHeight;
 	if (contentHeight == _contentHeight) {
 		move(x(), resultTop);

Telegram/SourceFiles/chat_helpers/tabbed_selector.h

@@ -61,6 +61,9 @@ public:
 	void beforeHiding();
 	void afterShown();
 
+	int marginTop() const;
+	int marginBottom() const;
+
 	bool preventAutoHide() const;
 	bool isSliding() const {
 		return _a_slide.animating();
@@ -135,8 +138,6 @@ private:
 
 	};
 
-	int marginTop() const;
-	int marginBottom() const;
 	void paintSlideFrame(Painter &p, TimeMs ms);
 	void paintContent(Painter &p);
 

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -1200,6 +1200,10 @@ void HistoryInner::mouseDoubleClickEvent(QMouseEvent *e) {
 	}
 }
 
+void HistoryInner::contextMenuEvent(QContextMenuEvent *e) {
+	showContextMenu(e);
+}
+
 void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 	if (_menu) {
 		_menu->deleteLater();

Telegram/SourceFiles/history/history_inner_widget.h

@@ -41,8 +41,6 @@ public:
 	void messagesReceived(PeerData *peer, const QVector<MTPMessage> &messages);
 	void messagesReceivedDown(PeerData *peer, const QVector<MTPMessage> &messages);
 
-	void showContextMenu(QContextMenuEvent *e, bool showFromTouch = false);
-
 	TextWithEntities getSelectedText() const;
 
 	void dragActionStart(const QPoint &screenPos, Qt::MouseButton button = Qt::LeftButton);
@@ -108,8 +106,9 @@ protected:
 	void leaveEventHook(QEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
 	void keyPressEvent(QKeyEvent *e) override;
+	void contextMenuEvent(QContextMenuEvent *e) override;
 
-	public slots:
+public slots:
 	void onUpdateSelected();
 	void onParentGeometryChanged();
 
@@ -126,11 +125,13 @@ protected:
 	void onTouchScrollTimer();
 	void onDragExec();
 
-	private slots:
+private slots:
 	void onScrollDateCheck();
 	void onScrollDateHideByTimer();
 
 private:
+	void showContextMenu(QContextMenuEvent *e, bool showFromTouch = false);
+
 	void itemRemoved(HistoryItem *item);
 	void savePhotoToFile(PhotoData *photo);
 	void saveDocumentToFile(DocumentData *document);

Telegram/SourceFiles/historywidget.cpp

@@ -3610,12 +3610,6 @@ void HistoryWidget::onCmdStart() {
 	setFieldText({ qsl("/"), TextWithTags::Tags() }, 0, Ui::FlatTextarea::AddToUndoHistory);
 }
 
-void HistoryWidget::contextMenuEvent(QContextMenuEvent *e) {
-	if (!_list) return;
-
-	return _list->showContextMenu(e);
-}
-
 void HistoryWidget::forwardMessage() {
 	auto item = App::contextItem();
 	if (!item || item->id < 0 || item->serviceMsg()) return;

Telegram/SourceFiles/historywidget.h

@@ -363,7 +363,6 @@ protected:
 	void leaveEventHook(QEvent *e) override;
 	void mouseReleaseEvent(QMouseEvent *e) override;
 	void mouseMoveEvent(QMouseEvent *e) override;
-	void contextMenuEvent(QContextMenuEvent *e) override;
 
 signals:
 	void cancelled();