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#pragma once
#include "../content_control.hpp"
#include "../click_detector.hpp"
#include "../render/border_render_object.hpp"
#include "cru/platform/graph/brush.hpp"
#include "cru/platform/native/basic_types.hpp"
#include <memory>
namespace cru::ui::render {
class BorderRenderObject;
}
namespace cru::ui::controls {
struct ButtonBorderStyle {
// corresponds to ButtonState::Normal
render::BorderStyle normal;
// corresponds to ButtonState::Hover
render::BorderStyle hover;
// corresponds to ButtonState::Press
render::BorderStyle press;
};
enum class ButtonState {
// mouse is not in it
Normal,
// mouse is in it and not pressed
Hover,
// mouse is pressed in it (click begins)
Press
};
class Button : public ContentControl {
public:
static constexpr auto control_type = L"Button";
static Button* Create() { return new Button(); }
protected:
Button();
public:
Button(const Button& other) = delete;
Button(Button&& other) = delete;
Button& operator=(const Button& other) = delete;
Button& operator=(Button&& other) = delete;
~Button() override = default;
std::wstring_view GetControlType() const override final {
return control_type;
}
render::RenderObject* GetRenderObject() const override;
public:
render::BorderStyle GetNormalBorderStyle() const {
return border_style_.normal;
}
void SetNormalBorderStyle(render::BorderStyle newStyle) {
border_style_.normal = std::move(newStyle);
}
render::BorderStyle GetHoverBorderStyle() const {
return border_style_.hover;
}
void SetHoverBorderStyle(render::BorderStyle newStyle) {
border_style_.hover = std::move(newStyle);
}
render::BorderStyle GetPressBorderStyle() const {
return border_style_.press;
}
void SetPressBorderStyle(render::BorderStyle newStyle) {
border_style_.press = std::move(newStyle);
}
ButtonBorderStyle GetBorderStyle() const { return border_style_; }
void SetBorderStyle(ButtonBorderStyle newStyle) {
border_style_ = std::move(newStyle);
}
ButtonState GetState() const { return state_; }
// Get the trigger mouse button(s). Return value might be a union of Left,
// Middle and Right.
MouseButton GetTriggerButton() const { return trigger_button_; }
// Set the trigger mouse button(s). You can set multiple buttons by passing a
// union of Left, Middle and Right. If you disable a button when user is
// pressing the same one, click will be stopped.
// Default is only Left.
void SetTriggerButton(MouseButton newTrigger);
protected:
void OnChildChanged(Control* old_child, Control* new_child) override;
virtual void OnStateChange(ButtonState oldState, ButtonState newState);
private:
void SetState(ButtonState newState) {
if (state_ == newState) return;
const auto oldState = state_;
state_ = newState;
OnStateChange(oldState, newState);
}
private:
std::shared_ptr<render::BorderRenderObject> render_object_{};
ButtonState state_ = ButtonState::Normal;
MouseButton trigger_button_ = MouseButton::Left;
ButtonBorderStyle border_style_;
ClickDetector click_detector_;
};
} // namespace cru::ui::controls
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