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#pragma once
#include "system_headers.hpp"
#include <optional>
#include "base.hpp"
#include "cru_event.hpp"
#include "ui/ui_base.hpp"
#include "ui/layout_base.hpp"
namespace cru::ui
{
class Control;
}
namespace cru::ui::events
{
class UiEventArgs : public BasicEventArgs
{
public:
UiEventArgs(Object* sender, Object* original_sender)
: BasicEventArgs(sender), original_sender_(original_sender)
{
}
UiEventArgs(const UiEventArgs& other) = default;
UiEventArgs(UiEventArgs&& other) = default;
UiEventArgs& operator=(const UiEventArgs& other) = default;
UiEventArgs& operator=(UiEventArgs&& other) = default;
~UiEventArgs() override = default;
Object* GetOriginalSender() const
{
return original_sender_;
}
private:
Object* original_sender_;
};
class MouseEventArgs : public UiEventArgs
{
public:
MouseEventArgs(Object* sender, Object* original_sender, const std::optional<Point>& point = std::nullopt)
: UiEventArgs(sender, original_sender), point_(point)
{
}
MouseEventArgs(const MouseEventArgs& other) = default;
MouseEventArgs(MouseEventArgs&& other) = default;
MouseEventArgs& operator=(const MouseEventArgs& other) = default;
MouseEventArgs& operator=(MouseEventArgs&& other) = default;
~MouseEventArgs() override = default;
Point GetPoint(Control* control, RectRange range = RectRange::Content) const;
private:
std::optional<Point> point_;
};
class MouseButtonEventArgs : public MouseEventArgs
{
public:
MouseButtonEventArgs(Object* sender, Object* original_sender, const Point& point, const MouseButton button)
: MouseEventArgs(sender, original_sender, point), button_(button)
{
}
MouseButtonEventArgs(const MouseButtonEventArgs& other) = default;
MouseButtonEventArgs(MouseButtonEventArgs&& other) = default;
MouseButtonEventArgs& operator=(const MouseButtonEventArgs& other) = default;
MouseButtonEventArgs& operator=(MouseButtonEventArgs&& other) = default;
~MouseButtonEventArgs() override = default;
MouseButton GetMouseButton() const
{
return button_;
}
private:
MouseButton button_;
};
class DrawEventArgs : public UiEventArgs
{
public:
DrawEventArgs(Object* sender, Object* original_sender, ID2D1DeviceContext* device_context)
: UiEventArgs(sender, original_sender), device_context_(device_context)
{
}
DrawEventArgs(const DrawEventArgs& other) = default;
DrawEventArgs(DrawEventArgs&& other) = default;
DrawEventArgs& operator=(const DrawEventArgs& other) = default;
DrawEventArgs& operator=(DrawEventArgs&& other) = default;
~DrawEventArgs() = default;
ID2D1DeviceContext* GetDeviceContext() const
{
return device_context_;
}
private:
ID2D1DeviceContext * device_context_;
};
class PositionChangedEventArgs : public UiEventArgs
{
public:
PositionChangedEventArgs(Object* sender, Object* original_sender, const Point& old_position, const Point& new_position)
: UiEventArgs(sender, original_sender), old_position_(old_position), new_position_(new_position)
{
}
PositionChangedEventArgs(const PositionChangedEventArgs& other) = default;
PositionChangedEventArgs(PositionChangedEventArgs&& other) = default;
PositionChangedEventArgs& operator=(const PositionChangedEventArgs& other) = default;
PositionChangedEventArgs& operator=(PositionChangedEventArgs&& other) = default;
~PositionChangedEventArgs() override = default;
Point GetOldPosition() const
{
return old_position_;
}
Point GetNewPosition() const
{
return new_position_;
}
private:
Point old_position_;
Point new_position_;
};
class SizeChangedEventArgs : public UiEventArgs
{
public:
SizeChangedEventArgs(Object* sender, Object* original_sender, const Size& old_size, const Size& new_size)
: UiEventArgs(sender, original_sender), old_size_(old_size), new_size_(new_size)
{
}
SizeChangedEventArgs(const SizeChangedEventArgs& other) = default;
SizeChangedEventArgs(SizeChangedEventArgs&& other) = default;
SizeChangedEventArgs& operator=(const SizeChangedEventArgs& other) = default;
SizeChangedEventArgs& operator=(SizeChangedEventArgs&& other) = default;
~SizeChangedEventArgs() override = default;
Size GetOldSize() const
{
return old_size_;
}
Size GetNewSize() const
{
return new_size_;
}
private:
Size old_size_;
Size new_size_;
};
class FocusChangeEventArgs : public UiEventArgs
{
public:
FocusChangeEventArgs(Object* sender, Object* original_sender, const bool is_window = false)
: UiEventArgs(sender, original_sender), is_window_(is_window)
{
}
FocusChangeEventArgs(const FocusChangeEventArgs& other) = default;
FocusChangeEventArgs(FocusChangeEventArgs&& other) = default;
FocusChangeEventArgs& operator=(const FocusChangeEventArgs& other) = default;
FocusChangeEventArgs& operator=(FocusChangeEventArgs&& other) = default;
~FocusChangeEventArgs() override = default;
// Return whether the focus change is caused by the window-wide focus change.
bool IsWindow() const
{
return is_window_;
}
private:
bool is_window_;
};
class ToggleEventArgs : public UiEventArgs
{
public:
ToggleEventArgs(Object* sender, Object* original_sender, bool new_state)
: UiEventArgs(sender, original_sender), new_state_(new_state)
{
}
ToggleEventArgs(const ToggleEventArgs& other) = default;
ToggleEventArgs(ToggleEventArgs&& other) = default;
ToggleEventArgs& operator=(const ToggleEventArgs& other) = default;
ToggleEventArgs& operator=(ToggleEventArgs&& other) = default;
~ToggleEventArgs() override = default;
bool GetNewState() const
{
return new_state_;
}
private:
bool new_state_;
};
struct WindowNativeMessage
{
HWND hwnd;
int msg;
WPARAM w_param;
LPARAM l_param;
};
class WindowNativeMessageEventArgs : public UiEventArgs
{
public:
WindowNativeMessageEventArgs(Object* sender, Object* original_sender, const WindowNativeMessage& message)
: UiEventArgs(sender, original_sender), message_(message), result_(std::nullopt)
{
}
WindowNativeMessageEventArgs(const WindowNativeMessageEventArgs& other) = default;
WindowNativeMessageEventArgs(WindowNativeMessageEventArgs&& other) = default;
WindowNativeMessageEventArgs& operator=(const WindowNativeMessageEventArgs& other) = default;
WindowNativeMessageEventArgs& operator=(WindowNativeMessageEventArgs&& other) = default;
~WindowNativeMessageEventArgs() override = default;
WindowNativeMessage GetWindowMessage() const
{
return message_;
}
std::optional<LRESULT> GetResult() const
{
return result_;
}
void SetResult(const std::optional<LRESULT> result)
{
result_ = result;
}
private:
WindowNativeMessage message_;
std::optional<LRESULT> result_;
};
class KeyEventArgs : public UiEventArgs
{
public:
KeyEventArgs(Object* sender, Object* original_sender, int virtual_code)
: UiEventArgs(sender, original_sender), virtual_code_(virtual_code)
{
}
KeyEventArgs(const KeyEventArgs& other) = default;
KeyEventArgs(KeyEventArgs&& other) = default;
KeyEventArgs& operator=(const KeyEventArgs& other) = default;
KeyEventArgs& operator=(KeyEventArgs&& other) = default;
~KeyEventArgs() override = default;
int GetVirtualCode() const
{
return virtual_code_;
}
private:
int virtual_code_;
};
class CharEventArgs : public UiEventArgs
{
public:
CharEventArgs(Object* sender, Object* original_sender, wchar_t c)
: UiEventArgs(sender, original_sender), c_(c)
{
}
CharEventArgs(const CharEventArgs& other) = default;
CharEventArgs(CharEventArgs&& other) = default;
CharEventArgs& operator=(const CharEventArgs& other) = default;
CharEventArgs& operator=(CharEventArgs&& other) = default;
~CharEventArgs() override = default;
wchar_t GetChar() const
{
return c_;
}
private:
wchar_t c_;
};
using UiEvent = Event<UiEventArgs>;
using MouseEvent = Event<MouseEventArgs>;
using MouseButtonEvent = Event<MouseButtonEventArgs>;
using DrawEvent = Event<DrawEventArgs>;
using PositionChangedEvent = Event<PositionChangedEventArgs>;
using SizeChangedEvent = Event<SizeChangedEventArgs>;
using FocusChangeEvent = Event<FocusChangeEventArgs>;
using ToggleEvent = Event<ToggleEventArgs>;
using WindowNativeMessageEvent = Event<WindowNativeMessageEventArgs>;
using KeyEvent = Event<KeyEventArgs>;
using CharEvent = Event<CharEventArgs>;
}
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