System messages
[Messages]

Defines

• #define MSG_IDLE   0x0142

  Indicates the system enters idle loop.
  

• #define MSG_TIMER   0x0144

  Indicates a timer has expired.
  

• #define MSG_FDEVENT   0x0146

  Indicates an event of registered file descriptor occurred.
  

• #define MSG_SRVNOTIFY   0x0147

  Indicates a notification from the server of MiniGUI-Lite.
  

• #define MSG_DOESNEEDIME   0x0150

  Sends to a window to query whether the window needs to open IME window.
  

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Define Documentation

#define MSG_DOESNEEDIME   0x0150

Sends to a window to query whether the window needs to open IME window. The system will send this message when the window gain the input focus to determine whether the window needs to open IME window. The application should handle this message and return TRUE when the window need IME window. Default window procedure returns FALSE. Note: This is a asynchronical message. Definition at line 1721 of file window.h.

#define MSG_FDEVENT   0x0146

Indicates an event of registered file descriptor occurred. You can use RegisterListenFD to register a file desciptor to MiniGUI-Lite for listening. When there is a read/write/except event on the fd, MiniGUI will post a MSG_FDEVENT message with wParam being equal to MAKELONG (fd, type), and the lParam being set to be the context to the target window. MSG_FDEVENT int fd = LOWORD(wParam); int type = HIWORD(wParam); void* context = (void*)lParam; Parameters: fd  The listened file descriptor. type  The event type. context  A context value. Note: Only available on MiniGUI-Lite. See also: RegisterListenFD Definition at line 1687 of file window.h.

#define MSG_IDLE   0x0142

Indicates the system enters idle loop. This message is sent to the all main windows when the system enters idle loop. Definition at line 1637 of file window.h.

#define MSG_SRVNOTIFY   0x0147

Indicates a notification from the server of MiniGUI-Lite. This message will be broadcasted to all of the main windows in a client process when the client receives a MSG_SRVNOTIFY message from the server. The server, i.e. 'mginit' defines the meaning of two parameters of this message. Note: Only available on MiniGUI-Lite. Definition at line 1702 of file window.h.

#define MSG_TIMER   0x0144

Indicates a timer has expired. This message is sent to the window when a timer expired. MSG_TIMER int timer_id = (int)wParam; Parameters: timer_id  The identifier of the timer has expired. Definition at line 1654 of file window.h.

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