/*
 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of the XFree86 Project
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from the XFree86 Project.
 *
 * Authors:	Early Ehlinger
 *		Harold L Hunt II
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include <shellapi.h>
#include "winprefs.h"

/*
 * Initialize the tray icon
 */

void
winInitNotifyIcon (winPrivScreenPtr pScreenPriv)
{
  winScreenInfo		*pScreenInfo = pScreenPriv->pScreenInfo;
  NOTIFYICONDATA	nid = {0};
  
  nid.cbSize = sizeof (NOTIFYICONDATA);
  nid.hWnd = pScreenPriv->hwndScreen;
  nid.uID = pScreenInfo->dwScreen;
  nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
  nid.uCallbackMessage = WM_TRAYICON;
  nid.hIcon = (HICON)winTaskbarIcon ();

  /* Save handle to the icon so it can be freed later */
  pScreenPriv->hiconNotifyIcon = nid.hIcon;

  /* Set display and screen-specific tooltip text */
  snprintf (nid.szTip,
	    sizeof (nid.szTip),
	    PROJECT_NAME " Server:%s.%d",
	    display, 
	    (int) pScreenInfo->dwScreen);

  /* Add the tray icon */
  if (!Shell_NotifyIcon (NIM_ADD, &nid))
    ErrorF ("winInitNotifyIcon - Shell_NotifyIcon Failed\n");
}


/*
 * Delete the tray icon
 */

void
winDeleteNotifyIcon (winPrivScreenPtr pScreenPriv)
{
  winScreenInfo		*pScreenInfo = pScreenPriv->pScreenInfo;
  NOTIFYICONDATA	nid = {0};
  
#if 0
  ErrorF ("winDeleteNotifyIcon\n");
#endif

  nid.cbSize = sizeof (NOTIFYICONDATA);
  nid.hWnd = pScreenPriv->hwndScreen;
  nid.uID = pScreenInfo->dwScreen;
  
  /* Delete the tray icon */
  if (!Shell_NotifyIcon (NIM_DELETE, &nid))
    {
      ErrorF ("winDeleteNotifyIcon - Shell_NotifyIcon failed\n");
      return;
    }

  /* Free the icon that was loaded */
  if (pScreenPriv->hiconNotifyIcon != NULL
      && DestroyIcon (pScreenPriv->hiconNotifyIcon) == 0)
    {
      ErrorF ("winDeleteNotifyIcon - DestroyIcon failed\n");
    }
  pScreenPriv->hiconNotifyIcon = NULL;
}


/*
 * Process messages intended for the tray icon
 */

LRESULT
winHandleIconMessage (HWND hwnd, UINT message,
		      WPARAM wParam, LPARAM lParam,
		      winPrivScreenPtr pScreenPriv)
{
#if defined(XWIN_MULTIWINDOWEXTWM) || defined(XWIN_MULTIWINDOW)
  winScreenInfo		*pScreenInfo = pScreenPriv->pScreenInfo;
#endif

  switch (lParam)
    {
    case WM_LBUTTONUP:
      /* Restack and bring all windows to top */
      SetForegroundWindow (hwnd);

#ifdef XWIN_MULTIWINDOWEXTWM
      if (pScreenInfo->fMWExtWM)
	winMWExtWMRestackWindows (pScreenInfo->pScreen);
#endif
      break;

    case WM_LBUTTONDBLCLK:
      /* Display Exit dialog box */
      winDisplayExitDialog (pScreenPriv);
      break;

    case WM_RBUTTONUP:
      {
	POINT		ptCursor;
	HMENU		hmenuPopup;
	HMENU		hmenuTray;

	/* Get cursor position */
	GetCursorPos (&ptCursor);

	/* Load tray icon menu resource */
	hmenuPopup = LoadMenu (g_hInstance,
			       MAKEINTRESOURCE(IDM_TRAYICON_MENU));
	if (!hmenuPopup)
	  ErrorF ("winHandleIconMessage - LoadMenu failed\n");

	/* Get actual tray icon menu */
	hmenuTray = GetSubMenu (hmenuPopup, 0);

#ifdef XWIN_MULTIWINDOW
	/* Check for MultiWindow mode */
	if (pScreenInfo->fMultiWindow)
	  {
	    MENUITEMINFO		mii = {0};
	    
	    /* Root is shown, remove the check box */
	    
	    /* Setup menu item info structure */
	    mii.cbSize = sizeof (MENUITEMINFO);
	    mii.fMask = MIIM_STATE;
	    mii.fState = MFS_CHECKED;
	    
	    /* Unheck box if root is shown */
	    if (pScreenPriv->fRootWindowShown)
	      mii.fState = MFS_UNCHECKED;

	    /* Set menu state */
	    SetMenuItemInfo (hmenuTray, ID_APP_HIDE_ROOT, FALSE, &mii);
	  }
	else
#endif
	  {
	    /* Remove Hide Root Window button */
	    RemoveMenu (hmenuTray,
			ID_APP_HIDE_ROOT,
			MF_BYCOMMAND);
	  }

	SetupRootMenu ((unsigned long)hmenuTray);

	/*
	 * NOTE: This three-step procedure is required for
	 * proper popup menu operation.  Without the
	 * call to SetForegroundWindow the
	 * popup menu will often not disappear when you click
	 * outside of it.  Without the PostMessage the second
	 * time you display the popup menu it might immediately
	 * disappear.
	 */
	SetForegroundWindow (hwnd);
	TrackPopupMenuEx (hmenuTray,
			  TPM_LEFTALIGN | TPM_BOTTOMALIGN | TPM_RIGHTBUTTON,
			  ptCursor.x, ptCursor.y,
			  hwnd,
			  NULL);
	PostMessage (hwnd, WM_NULL, 0, 0);

	/* Free menu */
	DestroyMenu (hmenuPopup);
      }
      break;
    }

  return 0;
}