Files
Xenia-Canary/src/xenia/ui/control.h
2015-05-02 01:50:19 -07:00

135 lines
3.9 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2014 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_UI_CONTROL_H_
#define XENIA_UI_CONTROL_H_
#include <memory>
#include <vector>
#include "poly/delegate.h"
#include "xenia/ui/ui_event.h"
namespace xe {
namespace ui {
class Control {
public:
typedef std::unique_ptr<Control, void (*)(Control*)> ControlPtr;
enum Flags {
// Control paints itself, so disable platform drawing.
kFlagOwnPaint = 1 << 1,
};
virtual ~Control();
Control* parent() const { return parent_; }
size_t child_count() const { return children_.size(); }
Control* child(size_t i) const { return children_[i].get(); }
void AddChild(Control* child_control);
void AddChild(std::unique_ptr<Control> child_control);
void AddChild(ControlPtr child_control);
ControlPtr RemoveChild(Control* child_control);
int32_t width() const { return width_; }
int32_t height() const { return height_; }
virtual void Resize(int32_t width, int32_t height) = 0;
virtual void Resize(int32_t left, int32_t top, int32_t right,
int32_t bottom) = 0;
void ResizeToFill() { ResizeToFill(0, 0, 0, 0); }
virtual void ResizeToFill(int32_t pad_left, int32_t pad_top,
int32_t pad_right, int32_t pad_bottom) = 0;
void Layout();
virtual void Invalidate() {}
// TODO(benvanik): colors/brushes/etc.
// TODO(benvanik): fonts.
bool is_cursor_visible() const { return is_cursor_visible_; }
virtual void set_cursor_visible(bool value) { is_cursor_visible_ = value; }
bool is_enabled() const { return is_enabled_; }
virtual void set_enabled(bool value) { is_enabled_ = value; }
bool is_visible() const { return is_visible_; }
virtual void set_visible(bool value) { is_visible_ = value; }
bool has_focus() const { return has_focus_; }
virtual void set_focus(bool value) { has_focus_ = value; }
public:
poly::Delegate<UIEvent> on_resize;
poly::Delegate<UIEvent> on_layout;
poly::Delegate<UIEvent> on_paint;
poly::Delegate<UIEvent> on_visible;
poly::Delegate<UIEvent> on_hidden;
poly::Delegate<UIEvent> on_got_focus;
poly::Delegate<UIEvent> on_lost_focus;
poly::Delegate<KeyEvent> on_key_down;
poly::Delegate<KeyEvent> on_key_up;
poly::Delegate<KeyEvent> on_key_char;
poly::Delegate<MouseEvent> on_mouse_down;
poly::Delegate<MouseEvent> on_mouse_move;
poly::Delegate<MouseEvent> on_mouse_up;
poly::Delegate<MouseEvent> on_mouse_wheel;
protected:
explicit Control(uint32_t flags);
virtual bool Create() = 0;
virtual void Destroy() {}
virtual void OnCreate() {}
virtual void OnDestroy() {}
virtual void OnChildAdded(Control* child_control) {}
virtual void OnChildRemoved(Control* child_control) {}
virtual void OnResize(UIEvent& e);
virtual void OnLayout(UIEvent& e);
virtual void OnPaint(UIEvent& e);
virtual void OnVisible(UIEvent& e);
virtual void OnHidden(UIEvent& e);
virtual void OnGotFocus(UIEvent& e);
virtual void OnLostFocus(UIEvent& e);
virtual void OnKeyDown(KeyEvent& e);
virtual void OnKeyUp(KeyEvent& e);
virtual void OnKeyChar(KeyEvent& e);
virtual void OnMouseDown(MouseEvent& e);
virtual void OnMouseMove(MouseEvent& e);
virtual void OnMouseUp(MouseEvent& e);
virtual void OnMouseWheel(MouseEvent& e);
uint32_t flags_;
Control* parent_;
std::vector<ControlPtr> children_;
int32_t width_;
int32_t height_;
bool is_cursor_visible_;
bool is_enabled_;
bool is_visible_;
bool has_focus_;
};
} // namespace ui
} // namespace xe
#endif // XENIA_UI_CONTROL_H_