init

Telegram/lib_ui/ui/layers/box_layer_widget.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "base/unique_qptr.h"
+#include "base/flags.h"
+#include "ui/layers/layer_widget.h"
+#include "ui/layers/box_content.h"
+#include "ui/round_rect.h"
+#include "ui/rp_widget.h"
+
+class Painter;
+struct TextWithEntities;
+
+namespace anim {
+enum class type : uchar;
+} // namespace anim
+
+namespace style {
+struct Box;
+} // namespace style
+
+namespace Ui {
+
+class AbstractButton;
+class FlatLabel;
+
+class BoxLayerWidget : public LayerWidget, public BoxContentDelegate {
+public:
+	BoxLayerWidget(
+		not_null<LayerStackWidget*> layer,
+		object_ptr<BoxContent> content);
+	~BoxLayerWidget();
+
+	void parentResized() override;
+
+	void setLayerType(bool layerType) override;
+	void setStyle(const style::Box &st) override;
+	const style::Box &style() override;
+	void setTitle(rpl::producer<TextWithEntities> title) override;
+	void setAdditionalTitle(rpl::producer<QString> additional) override;
+	void showBox(
+		object_ptr<BoxContent> box,
+		LayerOptions options,
+		anim::type animated) override;
+
+	void showFinished() override {
+		_content->showFinished();
+	}
+
+	void setCustomCornersFilling(RectParts corners) override;
+	void clearButtons() override;
+	void addButton(object_ptr<AbstractButton> button) override;
+	void addLeftButton(object_ptr<AbstractButton> button) override;
+	void addTopButton(object_ptr<AbstractButton> button) override;
+	void showLoading(bool show) override;
+	void updateButtonsPositions() override;
+	ShowFactory showFactory() override;
+	QPointer<QWidget> outerContainer() override;
+
+	void setDimensions(
+		int newWidth,
+		int maxHeight,
+		bool forceCenterPosition = false) override;
+
+	void setNoContentMargin(bool noContentMargin) override {
+		if (_noContentMargin != noContentMargin) {
+			_noContentMargin = noContentMargin;
+			updateSize();
+		}
+	}
+
+	bool isBoxShown() const override {
+		return !isHidden();
+	}
+	void closeBox() override {
+		closeLayer();
+	}
+	void hideLayer() override;
+	void triggerButton(int index) override;
+
+	void setCloseByOutsideClick(bool close) override;
+	bool closeByOutsideClick() const override;
+
+protected:
+	void keyPressEvent(QKeyEvent *e) override;
+	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+
+	void doSetInnerFocus() override {
+		_content->setInnerFocus();
+	}
+	void closeHook() override {
+		_content->notifyBoxClosing();
+	}
+
+private:
+	struct LoadingProgress;
+
+	void paintAdditionalTitle(Painter &p);
+	void updateTitlePosition();
+
+	[[nodiscard]] const style::Box &st() const;
+	[[nodiscard]] bool hasTitle() const;
+	[[nodiscard]] int titleHeight() const;
+	[[nodiscard]] int buttonsHeight() const;
+	[[nodiscard]] int buttonsTop() const;
+	[[nodiscard]] int contentTop() const;
+	[[nodiscard]] int countFullHeight() const;
+	[[nodiscard]] int countRealHeight() const;
+	[[nodiscard]] QRect loadingRect() const;
+	void updateSize();
+
+	const style::Box *_st = nullptr;
+	not_null<LayerStackWidget*> _layer;
+	bool _layerType = false;
+	int _fullHeight = 0;
+
+	bool _noContentMargin = false;
+	int _maxContentHeight = 0;
+	object_ptr<BoxContent> _content;
+
+	RoundRect _roundRect;
+	object_ptr<FlatLabel> _title = { nullptr };
+	Fn<TextWithEntities()> _titleFactory;
+	rpl::variable<QString> _additionalTitle;
+	RectParts _customCornersFilling;
+	int _titleLeft = 0;
+	int _titleTop = 0;
+	bool _closeByOutsideClick = true;
+
+	std::vector<object_ptr<AbstractButton>> _buttons;
+	object_ptr<AbstractButton> _leftButton = { nullptr };
+	std::vector<base::unique_qptr<AbstractButton>> _topButtons;
+	std::unique_ptr<LoadingProgress> _loadingProgress;
+
+};
+
+} // namespace Ui