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author | crupest <crupest@outlook.com> | 2018-11-07 21:40:04 +0800 |
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committer | crupest <crupest@outlook.com> | 2018-11-07 21:40:04 +0800 |
commit | efdce672123284847bd7fb6f12ac1ec96f28f3ef (patch) | |
tree | 298e6313e9a48c5867b2355242b78d3cd23fdc61 /src/ui/controls/text_control.hpp | |
parent | 634dab6ad2c9e4675beacfb77ac02b2d43cab132 (diff) | |
download | cru-efdce672123284847bd7fb6f12ac1ec96f28f3ef.tar.gz cru-efdce672123284847bd7fb6f12ac1ec96f28f3ef.tar.bz2 cru-efdce672123284847bd7fb6f12ac1ec96f28f3ef.zip |
Make all header *.hpp .
Diffstat (limited to 'src/ui/controls/text_control.hpp')
-rw-r--r-- | src/ui/controls/text_control.hpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/ui/controls/text_control.hpp b/src/ui/controls/text_control.hpp new file mode 100644 index 00000000..93120a44 --- /dev/null +++ b/src/ui/controls/text_control.hpp @@ -0,0 +1,101 @@ +#pragma once + +#include "ui/control.hpp" + +namespace cru::ui::controls +{ + class TextControl : public Control + { + protected: + TextControl( + const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format, + const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush + ); + public: + TextControl(const TextControl& other) = delete; + TextControl(TextControl&& other) = delete; + TextControl& operator=(const TextControl& other) = delete; + TextControl& operator=(TextControl&& other) = delete; + ~TextControl() override = default; + + String GetText() const + { + return text_; + } + + void SetText(const String& text); + + Microsoft::WRL::ComPtr<ID2D1Brush> GetBrush() const + { + return brush_; + } + + void SetBrush(const Microsoft::WRL::ComPtr<ID2D1Brush>& brush); + + Microsoft::WRL::ComPtr<IDWriteTextFormat> GetTextFormat() const + { + return text_format_; + } + + void SetTextFormat(const Microsoft::WRL::ComPtr<IDWriteTextFormat>& text_format); + + bool IsSelectable() const + { + return is_selectable_; + } + + std::optional<TextRange> GetSelectedRange() const + { + return selected_range_; + } + + void SetSelectedRange(std::optional<TextRange> text_range); + + void ClearSelection() + { + SetSelectedRange(std::nullopt); + } + + protected: + void SetSelectable(bool is_selectable); + + protected: + void OnSizeChangedCore(events::SizeChangedEventArgs& args) override final; + void OnDrawContent(ID2D1DeviceContext* device_context) override; + + void OnMouseDownCore(events::MouseButtonEventArgs& args) override final; + void OnMouseMoveCore(events::MouseEventArgs& args) override final; + void OnMouseUpCore(events::MouseButtonEventArgs& args) override final; + + void OnLoseFocusCore(events::FocusChangeEventArgs& args) override; + + Size OnMeasureContent(const Size& available_size) override; + + + virtual void RequestChangeCaretPosition(unsigned position); + + private: + void OnTextChangedCore(const String& old_text, const String& new_text); + + void RecreateTextLayout(); + + // param point is the mouse point relative to this control. + void UpdateCursor(const std::optional<Point>& point); + + private: + String text_; + + Microsoft::WRL::ComPtr<ID2D1Brush> brush_; + Microsoft::WRL::ComPtr<ID2D1Brush> selection_brush_; + Microsoft::WRL::ComPtr<IDWriteTextFormat> text_format_; + protected: + Microsoft::WRL::ComPtr<IDWriteTextLayout> text_layout_; + + private: + bool is_selectable_ = false; + + bool is_selecting_ = false; + unsigned mouse_down_position_ = 0; + std::optional<TextRange> selected_range_ = std::nullopt; + }; +} |