ポップアップメニューについて (ID:68808)

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// 動くみたい
// tasktray.cpp
#include    <windows.h>
#include    <shellapi.h>
#include    "resource.h"

#define WM_TASKTRAY  ( WM_APP + 1 )

HINSTANCE   hInst ;
HMENU       hMenu, hSubMenu ;
NOTIFYICONDATA  nid ;

INT_PTR CALLBACK DialogProc ( HWND, UINT, WPARAM, LPARAM ) ;
BOOL On_Close ( HWND ) ;
BOOL On_Command ( HWND, WPARAM ) ;
BOOL id_Tasktray ( HWND ) ;
BOOL id_Return ( HWND ) ;
BOOL On_InitDialog ( HWND ) ;
BOOL On_RButtonUp ( HWND, LPARAM ) ;
BOOL On_Tasktray ( HWND, LPARAM ) ;

int WINAPI WinMain ( HINSTANCE hInstance, HINSTANCE, LPSTR, int )
{
    hInst = hInstance ;
    DialogBox ( hInst, MAKEINTRESOURCE ( IDD_DIALOG1 ), NULL, DialogProc ) ;
    return 0 ;
}

INT_PTR CALLBACK DialogProc ( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam )
{
    switch ( msg )
    {
        case WM_INITDIALOG :    return On_InitDialog ( hDlg ) ;
        case WM_COMMAND :       return On_Command ( hDlg, wParam ) ;
        case WM_RBUTTONUP :     return On_RButtonUp ( hDlg, lParam ) ;
        case WM_CLOSE :         return On_Close ( hDlg ) ;
        case WM_TASKTRAY :      return On_Tasktray ( hDlg, lParam ) ;     
    }
    return FALSE ;
}

BOOL On_Tasktray ( HWND hDlg, LPARAM lParam )
{
    POINT pt ;
    
    if ( lParam == WM_RBUTTONUP )
    {
        GetCursorPos ( &pt ) ;
        SetForegroundWindow ( hDlg ) ;
      
        TrackPopupMenu ( hSubMenu, TPM_LEFTALIGN, pt.x, pt.y, 0, hDlg, NULL ) ;      
        return TRUE ;
    }

return FALSE ;
}

BOOL On_InitDialog ( HWND hDlg )
{
    hMenu    = LoadMenu ( hInst, MAKEINTRESOURCE ( IDR_MENU1 ) ) ;
    hSubMenu = GetSubMenu ( hMenu, 0 ) ;
    EnableMenuItem ( hSubMenu, ID_RETURN, MF_GRAYED | MF_DISABLED ) ;

nid.cbSize              = sizeof ( nid ) ;
    nid.hWnd                = hDlg ;
    nid.uID                 = IDI_ICON1 ;
    nid.uFlags              = NIF_MESSAGE | NIF_ICON | NIF_TIP ;
    nid.uCallbackMessage    = WM_TASKTRAY ;
    nid.hIcon               = LoadIcon ( hInst, MAKEINTRESOURCE ( IDI_ICON1 ) ) ;
    lstrcpy ( nid.szTip, TEXT ( "tray" ) ) ;

return TRUE ;
}

BOOL On_RButtonUp (HWND hDlg, LPARAM lParam)
{
    POINT pt = { LOWORD ( lParam ), HIWORD ( lParam ) } ;

ClientToScreen ( hDlg, &pt ) ;  
    TrackPopupMenu ( hSubMenu, TPM_LEFTALIGN, pt.x, pt.y, 0, hDlg, NULL ) ;

return TRUE ;
}

BOOL On_Command ( HWND hDlg, WPARAM wParam )
{
    switch ( LOWORD ( wParam ) )
    {
        case ID_TASKTRAY :  return id_Tasktray ( hDlg ) ;
        case ID_RETURN :    return id_Return ( hDlg ) ;
        case IDCANCEL :     return On_Close ( hDlg ) ;
    }

return FALSE ;
}

BOOL id_Tasktray ( HWND hDlg )
{
    Shell_NotifyIcon ( NIM_ADD, &nid ) ;
    ShowWindow ( hDlg, SW_HIDE ) ;

EnableMenuItem ( hSubMenu, ID_RETURN, MF_ENABLED ) ;
    EnableMenuItem ( hSubMenu, ID_TASKTRAY, MF_GRAYED | MF_DISABLED ) ;

return TRUE ;
}

BOOL id_Return ( HWND hDlg )
{
    Shell_NotifyIcon ( NIM_DELETE, &nid ) ;
    ShowWindow ( hDlg, SW_SHOW ) ;

EnableMenuItem ( hSubMenu, ID_TASKTRAY, MF_ENABLED ) ;
    EnableMenuItem ( hSubMenu, ID_RETURN, MF_GRAYED | MF_DISABLED ) ;

return TRUE ;
}

BOOL On_Close ( HWND hDlg )
{
    DestroyMenu ( hMenu ) ;
    EndDialog ( hDlg, 0 ) ;

return TRUE ;
}

// resource.h

IDR_MENU1 MENU 
BEGIN
    POPUP "dummy"
    BEGIN
        MENUITEM "タスクトレイに移動(&T)",               ID_TASKTRAY
        MENUITEM "ダイアログボックスに移動(&D)",            ID_RETURN
    END
END

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