NotifyIcon.h

#pragma once
 
#include "Alignment.h"
#include "ContextMenu.h"
#include "WndBase.h"
#include <shellapi.h>
 
namespace sw
{
    class NotifyIcon; // 前向声明
 
    struct NotifyIconMouseEventArgs : EventArgs {
        Point mousePosition;
 
        bool handled = false;
    };
 
    using NotifyIconMouseEventHandler =
        EventHandler<NotifyIcon, NotifyIconMouseEventArgs>;
 
    class NotifyIcon : public WndBase
    {
    private:
        using TBase = WndBase;
 
        NOTIFYICONDATAW _nid{};
 
        sw::ContextMenu *_contextMenu = nullptr;
 
        NotifyIconMouseEventHandler _clicked;
 
        NotifyIconMouseEventHandler _doubleClicked;
 
        NotifyIconMouseEventHandler _contextMenuOpening;
 
    public:
        const Event<NotifyIconMouseEventHandler> Clicked;
 
        const Event<NotifyIconMouseEventHandler> DoubleClicked;
 
        const Event<NotifyIconMouseEventHandler> ContextMenuOpening;
 
        const Property<HICON> Icon;
 
        const Property<std::wstring> ToolTip;
 
        const Property<bool> Visible;
 
        const Property<sw::ContextMenu *> ContextMenu;
 
        const ReadOnlyProperty<sw::Rect> Rect;
 
    public:
        NotifyIcon();
 
        ~NotifyIcon();
 
    protected:
        virtual LRESULT WndProc(ProcMsg &refMsg) override;
 
        virtual void OnMenuCommand(int id) override;
 
        virtual void OnNotyfyIconMessage(WPARAM wParam, LPARAM lParam);
 
        virtual void OnClicked(const Point &mousePos);
 
        virtual void OnDoubleClicked(const Point &mousePos);
 
        virtual void OnContextMenuOpening(const Point &mousePos);
 
        NOTIFYICONDATAW &GetNotifyIconData();
 
    public:
        bool Show();
 
        bool Hide();
 
        void Destroy();
 
        bool ShowContextMenu(
            const Point &point,
            sw::HorizontalAlignment horz = sw::HorizontalAlignment::Left,
            sw::VerticalAlignment vert   = sw::VerticalAlignment::Bottom);
 
    private:
        bool _ShellNotifyIcon(DWORD dwMessage);
 
        bool _AddIcon();
 
        bool _DeleteIcon();
 
        bool _ModifyIcon();
 
        bool _ModifyState(DWORD dwState, DWORD dwStateMask);
 
        HICON _GetDefaultIcon();
    };
}