diff options
Diffstat (limited to 'src/ui/control.hpp')
| -rw-r--r-- | src/ui/control.hpp | 301 |
1 files changed, 44 insertions, 257 deletions
diff --git a/src/ui/control.hpp b/src/ui/control.hpp index 6abcc365..8e69fb07 100644 --- a/src/ui/control.hpp +++ b/src/ui/control.hpp @@ -12,49 +12,21 @@ #include "ui_base.hpp" #include "layout_base.hpp" #include "events/ui_event.hpp" -#include "border_property.hpp" #include "cursor.hpp" #include "any_map.hpp" +#include "input_util.hpp" namespace cru::ui { class Window; - struct AdditionalMeasureInfo - { - bool horizontal_stretchable = true; - bool vertical_stretchable = true; - }; - - struct AdditionalLayoutInfo - { - Point total_offset = Point::Zero(); - }; - - //the position cache - struct ControlPositionCache - { - //The lefttop relative to the ancestor. - Point lefttop_position_absolute = Point::Zero(); - }; - - class Control : public Object { friend class Window; protected: - struct GeometryInfo - { - Microsoft::WRL::ComPtr<ID2D1Geometry> border_geometry = nullptr; - Microsoft::WRL::ComPtr<ID2D1Geometry> padding_content_geometry = nullptr; - Microsoft::WRL::ComPtr<ID2D1Geometry> content_geometry = nullptr; - }; - - - protected: - Control(); + Control() = default; public: Control(const Control& other) = delete; Control(Control&& other) = delete; @@ -63,53 +35,35 @@ namespace cru::ui ~Control() override = default; public: - - //*************** region: tree *************** virtual StringView GetControlType() const = 0; - virtual const std::vector<Control*>& GetInternalChildren() const = 0; - - Control* GetParent() const - { - return parent_ == nullptr ? internal_parent_ : parent_; - } - - Control* GetInternalParent() const - { - return internal_parent_; - } + //*************** region: tree *************** + public: //Get the window if attached, otherwise, return nullptr. Window* GetWindow() const { return window_; } - void SetParent(Control* parent); + Control* GetParent() const + { + return parent_; + } - void SetInternalParent(Control* internal_parent); + void SetParent(Control* parent); void SetDescendantWindow(Window* window); - //Traverse the tree rooted the control including itself. void TraverseDescendants(const std::function<void(Control*)>& predicate); - //*************** region: position and size *************** - - //Get the lefttop relative to its parent. - virtual Point GetOffset(); - - //Get the actual size. - virtual Size GetSize(); - - // If offset changes, call RefreshDescendantPositionCache. - virtual void SetRect(const Rect& rect); + private: + static void TraverseDescendantsInternal(Control* control, const std::function<void(Control*)>& predicate); - //Get lefttop relative to ancestor. This is only valid when - //attached to window. Notice that the value is cached. - //You can invalidate and recalculate it by calling "InvalidatePositionCache". - Point GetPositionAbsolute() const; + //*************** region: position *************** + public: + virtual Point GetPositionInWindow() const = 0; //Local point to absolute point. Point ControlToWindow(const Point& point) const; @@ -117,122 +71,19 @@ namespace cru::ui //Absolute point to local point. Point WindowToControl(const Point& point) const; - void RefreshDescendantPositionCache(); - - private: - static void RefreshControlPositionCacheInternal(Control* control, const Point& parent_lefttop_absolute); - - public: - - // Default implement in Control is test point in border geometry's - // fill and stroke with width of border. - virtual bool IsPointInside(const Point& point); - - // Get the top control among all descendants (including self) in local coordinate. - virtual Control* HitTest(const Point& point); - - //*************** region: graphic *************** - - bool IsClipContent() const - { - return clip_content_; - } - - void SetClipContent(bool clip); - - //Draw this control and its child controls. - void Draw(ID2D1DeviceContext* device_context); - - virtual void InvalidateDraw(); - - Microsoft::WRL::ComPtr<ID2D1Brush> GetForegroundBrush() const - { - return foreground_brush_; - } - - void SetForegroundBrush(Microsoft::WRL::ComPtr<ID2D1Brush> foreground_brush) - { - foreground_brush_ = std::move(foreground_brush); - InvalidateDraw(); - } - - Microsoft::WRL::ComPtr<ID2D1Brush> GetBackgroundBrush() const - { - return background_brush_; - } - - void SetBackgroundBrush(Microsoft::WRL::ComPtr<ID2D1Brush> background_brush) - { - background_brush_ = std::move(background_brush); - InvalidateDraw(); - } //*************** region: focus *************** - + public: bool RequestFocus(); bool HasFocus(); - bool IsFocusOnPressed() const - { - return is_focus_on_pressed_; - } - - void SetFocusOnPressed(const bool value) - { - is_focus_on_pressed_ = value; - } - - //*************** region: layout *************** - - void InvalidateLayout(); - - void Measure(const Size& available_size, const AdditionalMeasureInfo& additional_info); - - void Layout(const Rect& rect, const AdditionalLayoutInfo& additional_info); - - Size GetDesiredSize() const; - - void SetDesiredSize(const Size& desired_size); - - BasicLayoutParams* GetLayoutParams() - { - return &layout_params_; - } - - Rect GetRect(RectRange range); - - Point TransformPoint(const Point& point, RectRange from = RectRange::Margin, RectRange to = RectRange::Content); - - //*************** region: border *************** - - BorderProperty& GetBorderProperty() - { - return border_property_; - } - - void UpdateBorder(); - - bool IsBordered() const - { - return is_bordered_; - } - - void SetBordered(bool bordered); - - - //*************** region: additional properties *************** - AnyMap* GetAdditionalPropertyMap() - { - return &additional_property_map_; - } - //*************** region: cursor *************** // If cursor is set to null, then it uses parent's cursor. // Window's cursor can't be null. - + public: Cursor::Ptr GetCursor() const { return cursor_; @@ -241,7 +92,16 @@ namespace cru::ui void SetCursor(const Cursor::Ptr& cursor); + //*************** region: additional properties *************** + public: + AnyMap* GetAdditionalPropertyMap() + { + return &additional_property_map_; + } + + //*************** region: events *************** + public: //Raised when mouse enter the control. events::RoutedEvent<events::MouseEventArgs> mouse_enter_event; //Raised when mouse is leave the control. @@ -264,95 +124,29 @@ namespace cru::ui events::RoutedEvent<events::FocusChangeEventArgs> get_focus_event; events::RoutedEvent<events::FocusChangeEventArgs> lose_focus_event; - Event<events::DrawEventArgs> draw_content_event; - Event<events::DrawEventArgs> draw_background_event; - Event<events::DrawEventArgs> draw_foreground_event; - - //*************** region: tree event *************** + //*************** region: tree *************** protected: - virtual void OnParentChanged(Control* old_parent, Control* new_parent); - - virtual void OnInternalParentChanged(Control* old_internal_parent, Control* new_internal_parent); + virtual const std::vector<Control*>& GetInternalChildren() const = 0; - //Invoked when the control is attached to a window. Overrides should invoke base. + virtual void OnParentChanged(Control* old_parent, Control* new_parent); virtual void OnAttachToWindow(Window* window); - //Invoked when the control is detached to a window. Overrides should invoke base. virtual void OnDetachToWindow(Window* window); - //*************** region: graphic event *************** - private: - void OnDrawDecoration(ID2D1DeviceContext* device_context); - void OnDrawCore(ID2D1DeviceContext* device_context); - - - //*************** region: position and size event *************** - protected: - virtual void OnRectChange(const Rect& old_rect, const Rect& new_rect); - - void RegenerateGeometryInfo(); - - const GeometryInfo& GetGeometryInfo() const - { - return geometry_info_; - } - - - //*************** region: mouse event *************** + //*************** region: additional mouse event *************** protected: virtual void OnMouseClickBegin(MouseButton button); virtual void OnMouseClickEnd(MouseButton button); - //*************** region: layout *************** - private: - Size OnMeasureCore(const Size& available_size, const AdditionalMeasureInfo& additional_info); - void OnLayoutCore(const Rect& rect, const AdditionalLayoutInfo& additional_info); - - protected: - virtual Size OnMeasureContent(const Size& available_size, const AdditionalMeasureInfo& additional_info) = 0; - virtual void OnLayoutContent(const Rect& rect, const AdditionalLayoutInfo& additional_info) = 0; - private: Window * window_ = nullptr; - Control* parent_ = nullptr; // when parent and internal parent are the same, parent_ is nullptr. - Control * internal_parent_ = nullptr; - - Rect rect_{}; - - ControlPositionCache position_cache_{}; - - std::unordered_map<MouseButton, bool> is_mouse_click_valid_map_ - { - { MouseButton::Left, true }, - { MouseButton::Middle, true }, - { MouseButton::Right, true } - }; // used for clicking determination - - BasicLayoutParams layout_params_{}; - Size desired_size_ = Size::Zero(); - - bool is_bordered_ = false; - BorderProperty border_property_; - - GeometryInfo geometry_info_{}; - - bool clip_content_ = false; + Control* parent_ = nullptr; - Microsoft::WRL::ComPtr<ID2D1Brush> foreground_brush_ = nullptr; - Microsoft::WRL::ComPtr<ID2D1Brush> background_brush_ = nullptr; + Cursor::Ptr cursor_{}; AnyMap additional_property_map_{}; - - bool is_focus_on_pressed_ = true; - -#ifdef CRU_DEBUG_LAYOUT - Microsoft::WRL::ComPtr<ID2D1Geometry> margin_geometry_; - Microsoft::WRL::ComPtr<ID2D1Geometry> padding_geometry_; -#endif - - Cursor::Ptr cursor_{}; }; @@ -372,31 +166,24 @@ namespace cru::ui NoChildControl& operator=(NoChildControl&& other) = delete; ~NoChildControl() override = default; + protected: const std::vector<Control*>& GetInternalChildren() const override final { return empty_control_vector; } - - protected: - void OnLayoutContent(const Rect& rect, const AdditionalLayoutInfo& additional_info) override; }; - class SingleChildControl : public Control + class ContentControl : public Control { protected: - SingleChildControl(); + ContentControl(); public: - SingleChildControl(const SingleChildControl& other) = delete; - SingleChildControl(SingleChildControl&& other) = delete; - SingleChildControl& operator=(const SingleChildControl& other) = delete; - SingleChildControl& operator=(SingleChildControl&& other) = delete; - ~SingleChildControl() override; - - const std::vector<Control*>& GetInternalChildren() const override final - { - return child_vector_; - } + ContentControl(const ContentControl& other) = delete; + ContentControl(ContentControl&& other) = delete; + ContentControl& operator=(const ContentControl& other) = delete; + ContentControl& operator=(ContentControl&& other) = delete; + ~ContentControl() override; Control* GetChild() const { @@ -406,12 +193,14 @@ namespace cru::ui void SetChild(Control* child); protected: + const std::vector<Control*>& GetInternalChildren() const override final + { + return child_vector_; + } + // Override should call base. virtual void OnChildChanged(Control* old_child, Control* new_child); - Size OnMeasureContent(const Size& available_size, const AdditionalMeasureInfo& additional_info) override; - void OnLayoutContent(const Rect& rect, const AdditionalLayoutInfo& additional_info) override; - private: std::vector<Control*> child_vector_; Control*& child_; @@ -452,9 +241,7 @@ namespace cru::ui void RemoveChild(int position); protected: - //Invoked when a child is added. Overrides should invoke base. virtual void OnAddChild(Control* child); - //Invoked when a child is removed. Overrides should invoke base. virtual void OnRemoveChild(Control* child); private: |