WM Untouchable Window (Sample)

WM_SetUntouchable.c
File(s) required	WM_SetUntouchable.c
Runs in simulation	Yes
Runs on target	Yes
Download	WM_SetUntouchable.c

This sample demonstrates how a window in emWin can be made untouchable. When this is done, all touch input will be redirected to the window(s) below the untouchable window.

Code

/*********************************************************************
*                    SEGGER Microcontroller GmbH                     *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2020  SEGGER Microcontroller GmbH                *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V6.10 - Graphical user interface for embedded applications **
emWin is protected by international copyright laws.   Knowledge of the
source code may not be used to write a similar product.  This file may
only  be used  in accordance  with  a license  and should  not be  re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : WM_SetUntouchable.c
Purpose     : Sample that shows how to create untouchable windows.
Requirements: WindowManager - (x)
              MemoryDevices - ( )
              AntiAliasing  - ( )
              VNC-Server    - ( )
              PNG-Library   - ( )
              TrueTypeFonts - ( )
---------------------------END-OF-HEADER------------------------------
*/

#include "DIALOG.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
/*********************************************************************
*
*       _cbWin0
*/
static void _cbWin(WM_MESSAGE * pMsg) {
  GUI_RECT Rect;

  switch (pMsg->MsgId) {
  case WM_PAINT:
    //
    // Draw something
    //
    WM_GetClientRect(&Rect);
    GUI_SetColor(GUI_RED);
    GUI_DrawRectEx(&Rect);
    GUI_SetColor(GUI_BLUE);
    GUI_SetFont(&GUI_Font32B_1);
    GUI_SetTextMode(GUI_TM_TRANS);
    GUI_DispStringInRect("UNTOUCHABLE", &Rect, GUI_TA_LEFT | GUI_TA_VCENTER);
    break;
  default:
    WM_DefaultProc(pMsg);
    break;
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  WM_HWIN hWin;

  //
  // Init emWin.
  //
  GUI_Init();
  WM_SetDesktopColor(GUI_WHITE);
  //
  // Create a button.
  //
  BUTTON_CreateEx(30, 20, 100, 30, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_BUTTON0);
  //
  // Create a window that is above the button.
  //
  hWin = WM_CreateWindow(10, 10, 250, 50, WM_CF_SHOW | WM_CF_HASTRANS, _cbWin, 0);
  //
  // Mark the window as 'untouchable', so all touch events get routed to the window below it.
  //
  WM_SetUntouchable(hWin, 1);

  while (1) {
    GUI_Delay(100);
  }
}

/*************************** End of file ****************************/