/********************************************************************* * 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_AllMessages.c Purpose : Sample that shows all window messages that can be used. Requirements: WindowManager - (x) MemoryDevices - ( ) AntiAliasing - ( ) VNC-Server - ( ) PNG-Library - ( ) TrueTypeFonts - ( ) ---------------------------END-OF-HEADER------------------------------ */ #include "WM.h" // This includes almost every required header #define ID_CHILD_0 (GUI_ID_USER + 0x01) /********************************************************************* * * _cbWin * * Function description * This function should be used as template for a custom callback. * It can be used for all windows and widgets but in most cases not * all messages will occur. * * Parameters * pMsg - A WM_MESSAGE structure which contains besides the message * itself information about the window who's the receiver of * the message. Depending on the message, further information * can be extracted via data values and/or pointers. */ static void _cbWin(WM_MESSAGE * pMsg) { int NCode; int Id; int Key; GUI_RECT * pRect; WM_KEY_INFO * pKeyInfo; WM_MOVE_INFO * pMoveInfo; WM_HTIMER hTimer; switch (pMsg->MsgId) { case WM_CREATE: // Sent after window has been created WM_DefaultProc(pMsg); break; case WM_DELETE: // Sent before window gets deleted WM_DefaultProc(pMsg); break; case WM_GET_ACCEPT_FOCUS: // Sent to determin if the window is able to receive input focus WM_DefaultProc(pMsg); break; case WM_GET_ID: // Sent for requesting ID WM_DefaultProc(pMsg); break; case WM_GET_INSIDE_RECT: // Sent to a window to get the client rectangle without the effect size pRect = (GUI_RECT *)pMsg->Data.p; break; case WM_INIT_DIALOG: // Sent to a dialog window after creation (dialog only) WM_DefaultProc(pMsg); break; case WM_KEY: // Sent if a key has been pressed pKeyInfo = (WM_KEY_INFO *)pMsg->Data.p; // Data pointer containing key info struct Key = pKeyInfo->Key; if (pKeyInfo->PressedCnt == 0) { // Key has been released } else { // Key has been pressed } break; case WM_MOTION: // Sent to a window to achieve advanced motion support WM_DefaultProc(pMsg); break; case WM_MOUSEOVER: // Sent to a window if PID is over window, only if mouse support is enabled WM_DefaultProc(pMsg); break; case WM_MOUSEOVER_END: // Sent to a window if PID leaves window area, only if mouse support is enabled WM_DefaultProc(pMsg); break; case WM_MOVE: // Sent to a window after it has been moved pMoveInfo = (WM_MOVE_INFO *)pMsg->Data.p; pMoveInfo->dx; // Difference between old and new position on the x-axis. pMoveInfo->dy; // Difference between old and new position on the y-axis. break; case WM_NOTIFY_PARENT: // Sent if something has occured in a child window Id = WM_GetId(pMsg->hWinSrc); NCode = pMsg->Data.v; switch (Id) { case ID_CHILD_0: // Notifications sent by 'Child' with ID = ID_CHILD_0 switch (NCode) { case WM_NOTIFICATION_CHILD_DELETED: // Sent to a window before a child window gets deleted break; case WM_NOTIFICATION_CLICKED: // Sent to a window if a child has been clicked break; case WM_NOTIFICATION_GOT_FOCUS: // Sent to a window if a child gains and accepts the focus break; case WM_NOTIFICATION_LOST_FOCUS: // Sent to a window if a child loses the focus break; case WM_NOTIFICATION_MOVED_OUT: // Sent to a window if the PID input moves out the window while it is pressed break; case WM_NOTIFICATION_RELEASED: // Sent to a window if a clicked child has been released break; case WM_NOTIFICATION_SCROLL_CHANGED: // Sent to a window when the scrollposition of an attached scrollbar has changed break; case WM_NOTIFICATION_SCROLLBAR_ADDED: // Sent to a window if a scrollbar gets attached break; case WM_NOTIFICATION_SEL_CHANGED: // Sent to a window if the selection of a child has changed (e.g. LISTBOX) break; case WM_NOTIFICATION_VALUE_CHANGED: // Sent to a window if the value of child has changed (e.g. SPINBOX) break; } break; } WM_DefaultProc(pMsg); break; case WM_NOTIFY_VIS_CHANGED: // Sent to a window if its visibility has been changed WM_DefaultProc(pMsg); break; case WM_PAINT: // Sent to a window after it has become invalid and it should be redrawn // // Data pointer points to a GUI_RECT struct containing the invalid rectangle in screen coordinates. // pRect = (GUI_RECT *)pMsg->Data.p; WM_DefaultProc(pMsg); // Handle default drawing (not necessary) GUI_SetBkColor(GUI_BLUE); // Set a background color GUI_Clear(); // Clear the window break; case WM_POST_PAINT: // Sent to a window after the last WM_PAINT message WM_DefaultProc(pMsg); break; case WM_PRE_PAINT: // Sent to a window before the first WM_PAINT message WM_DefaultProc(pMsg); break; case WM_SET_CALLBACK: // Sent to a window after a callback has been set WM_DefaultProc(pMsg); break; case WM_SET_FOCUS: // Sent to window if it gains or loses the focus if (pMsg->Data.v == 1) { // Window gains input focus // Do something } else if (pMsg->Data.v == 0) { // Window has lost input focus // Do something } break; case WM_SET_ID: // Sent to a window to change the window ID Id = pMsg->Data.v; // Data value contains new window ID break; case WM_SIZE: // Sent to a window after its size has changed WM_DefaultProc(pMsg); break; case WM_TIMER: // Sent to a window after a timer has expired hTimer = pMsg->Data.v; // Data value contains handle of the timer that expired break; case WM_USER_DATA: // Sent to a window after user data has been set WM_DefaultProc(pMsg); break; case WM_PID_STATE_CHANGED: // Sent to a window if the pressed state has changed WM_DefaultProc(pMsg); break; case WM_TOUCH: // Sent to a window if a PID input is pressed, pressed WM_DefaultProc(pMsg); // and moved or released in the window area break; case WM_TOUCH_CHILD: // Sent to a window if a child window has been touch by PID WM_DefaultProc(pMsg); break; case WM_USER: // User defined message, usally as 'WM_USER + X' where X is an integer value WM_DefaultProc(pMsg); break; default: // Any messages not handled above are sent to the default callback WM_DefaultProc(pMsg); break; } } /********************************************************************* * * Public code * ********************************************************************** */ /********************************************************************* * * MainTask */ void MainTask(void) { GUI_Init(); WM_CreateWindow(0, 0, LCD_GetXSize(), LCD_GetYSize(), WM_CF_SHOW, _cbWin, 0); while (1) { GUI_Delay(100); } } /*************************** End of file ****************************/