window.h

MiniGUI for uCOS 移植实验全部源码

 * wParam = 0;
 * lParam = 0;
 * \endcode
 *
 * \return The length of the text.
 *
 * \sa GetWindowTextLength
 */
#define MSG_GETTEXTLENGTH   0x0132

/**
 * \def MSG_GETTEXT
 * \brief Sent to the control to get the text.
 *
 * This message is sent to the control when you calling \a GetWindowText
 * function to get the text.
 *
 * \code
 * MSG_GETTEXT
 * int max_len;
 * char* text_buf;
 *
 * wParam = (WPARAM)max_len;
 * lParam = (LPARAM)text_buf;
 * \endcode
 *
 * \param max_len The maximal number of characters can be copied to the buffer.
 * \param text_buf The pointer to a buffer receives the text.
 * \return The length of the window text string.
 *
 * \sa GetWindowText
 */
#define MSG_GETTEXT         0x0133

/**
 * \def MSG_SETTEXT
 * \brief Sent to the control to set the text.
 *
 * This message is sent to the control when you calling \a SetWindowText
 * function to set the text.
 *
 * \code
 * MSG_GETTEXT
 * char* text_buf;
 *
 * wParam = 0;
 * lParam = (LPARAM)text_buf;
 * \endcode
 *
 * \param text_buf The pointer to a buffer contains the text.
 * \return The length of the text string.
 *
 * \sa SetWindowText
 */
#define MSG_SETTEXT         0x0134

/**
 * \def MSG_ENABLE
 * \brief Indicates the window is disabled/enabled.
 *
 * This message is sent to the window if the window has been disabled or enabled.
 *
 * \code
 * MSG_ENABLE
 * BOOL enabled = (BOOL)wParam;
 * \endcode
 *
 * \param enabled Indicates whether the window was disabled or enabled.
 */
#define MSG_ENABLE          0x0135

#define MSG_LASTCONTROLMSG  0x013F

    /** @} end of ctrl_msgs */

    /**
     * \defgroup system_msgs System messages
     * @{
     */

    /* Group 9 from 0x0140 to 0x016F, the system messages. */
#define MSG_FIRSTSYSTEMMSG  0x0140

#define MSG_QUIT            0x0140

/**
 * \def MSG_IDLE
 * \brief Indicates the system enters idle loop.
 *
 * This message is sent to the all main window when the system
 * enters idle loop.
 */
#define MSG_IDLE            0x0142

#define MSG_TIMEOUT         0x0143

/**
 * \def MSG_TIMER
 * \brief Indicates a timer has expired.
 *
 * This message is sent to the window when a timer expired.
 *
 * \code
 * MSG_TIMER
 * int timer_id = (int)wParam;
 * \endcode
 *
 * \param timer_id The identifier of the timer has expired.
 */
#define MSG_TIMER           0x0144

#define MSG_CARETBLINK      0x0145

#ifdef _LITE_VERSION

/**
 * \def MSG_FDEVENT
 * \brief Indicates an event of registered file descriptor occurred.
 *
 * You can use \a 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.
 *
 * \code
 * MSG_FDEVENT
 * int fd = LOWORD(wParam);
 * int type = HIWORD(wParam);
 * void* context = (void*)lParam;
 * \endcode
 *
 * \param fd The listened file descriptor.
 * \param type The event type.
 * \param context A context value.
 *
 * \note Only available on MiniGUI-Lite.
 *
 * \sa RegisterListenFD
 */
#define MSG_FDEVENT         0x0146

/**
 * \def MSG_SRVNOTIFY
 * \brief Indicates a notification from the server of MiniGUI-Lite.
 *
 * This message will be broadcasted to all of the main window 
 * 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.
 */
#define MSG_SRVNOTIFY       0x0147

#define MSG_UNEXPOSECLIENT  0x0148
#define MSG_ACTIVECLIENT    0x0149
#endif

/**
 * \def MSG_DOESNEEDIME
 * \brief 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.
 */
#define MSG_DOESNEEDIME     0x0150

#define MSG_IME_REGISTER    0x0151
#define MSG_IME_UNREGISTER  0x0152
#define MSG_IME_OPEN        0x0153
#define MSG_IME_CLOSE       0x0154
#define MSG_IME_SETSTATUS   0x0156
#define MSG_IME_GETSTATUS   0x0157
    #define IS_ENABLE       1
    #define IS_FULLCHAR     2
    #define IS_FULLPUNC     3
    #define IS_METHOD       4
#define MSG_IME_SETTARGET   0x0158
#define MSG_IME_GETTARGET   0x0159

#define MSG_SHOWMENU        0x0160
#define MSG_HIDEMENU        0x0161

#define MSG_ADDTIMER        0x0162
#define MSG_REMOVETIMER     0x0163
#define MSG_RESETTIMER      0x0164

#define MSG_WINDOWCHANGED   0x0165

#define MSG_BROADCASTMSG    0x0166

#define MSG_REGISTERWNDCLASS    0x0167
#define MSG_UNREGISTERWNDCLASS  0x0168
#define MSG_NEWCTRLINSTANCE     0x0169
#define MSG_REMOVECTRLINSTANCE  0x016A
#define MSG_GETCTRLCLASSINFO    0x016B
#define MSG_CTRLCLASSDATAOP     0x016C
    #define CCDOP_GETCCI        0x01
    #define CCDOP_SETCCI        0x02

#define MSG_REGISTERKEYHOOK     0x016D
#define MSG_REGISTERMOUSEHOOK   0x016E

#define MSG_LASTSYSTEMMSG   0x016F

    /** @} end of system_msgs */

    /**
     * \defgroup menu_msgs Internal menu messages
     * @{
     */

    /* Group 10 from 0x0170 to 0x018F, the menu messages */
#define MSG_FIRSTMENUMSG    0x0170

#define MSG_INITMENU        0x0170
#define MSG_INITMENUPOPUP   0x0171
#define MSG_MENUSELECT      0x0172
#define MSG_MENUCHAR        0x0173
#define MSG_ENTERMENULOOP   0x0174
#define MSG_EXITMENULOOP    0x0175
#define MSG_CONTEXTMENU     0x0176
#define MSG_NEXTMENU        0x0177

#define MSG_LASTMENUMSG     0x018F

    /** @} end of menu_msgs */

    /**
     * \defgroup user_msgs User-defined  messages
     * @{
     */

#define MSG_FIRSTUSERMSG    0x0800


/**
 * \def MSG_USER
 * \brief The first user-defined message.
 *
 * MiniGUI reserved the range from 0x0800 to 0xEFFF for user-defined messages.
 * MSG_USER is the first user-defined message you can use it by your own.
 */
#define MSG_USER            0x0800

#define MSG_LASTUSERMSG     0xEFFF

    /** @} end of user_msgs */

    /** @} end of msgs */

    /**
     * \addtogroup fns Functions
     * @{
     */

    /**
     * \defgroup msg_fns Message functions
     * @{
     */

    /**
     * \defgroup msg_pass_fns Message passing functions
     * @{
     */

/**
 * The message structure.
 * \sa GetMessage, PostMessage, msgs
 */
typedef struct _MSG
{
	/** the handle to the window which receives this message. */
    HWND             hwnd;
	/** the message identifier. */
    int              message;
    /** The first parameter of the message (32-bit integer). */
    WPARAM           wParam;
    /** The second parameter of the message (32-bit integer). */
    LPARAM           lParam;
    unsigned int     time;
#ifndef _LITE_VERSION
    void*            pAdd;
#endif
} MSG;
typedef MSG* PMSG;

#define QS_NOTIFYMSG        0x10000000
#ifndef _LITE_VERSION
  #define QS_SYNCMSG        0x20000000
#else
  #define QS_DESKTIMER      0x20000000
#endif
#define QS_POSTMSG          0x40000000
#define QS_QUIT             0x80000000
#define QS_INPUT            0x01000000
#define QS_PAINT            0x02000000
#define QS_TIMER            0x0000FFFF
#define QS_EMPTY            0x00000000

/**
 * \fn int GetMessage (PMSG pMsg, HWND hMainWnd)
 * \brief Gets a message from the message queue of a main window.
 *
 * This function gets a message from the message queue of the main window \a hMainWnd,
 * and returns until there is a message in the message queue.
 *
 * \param pMsg Pointer to the result message.
 * \param hMainWnd Handle to the window.
 * \return 0 on MSG_QUIT have been found, else gets a message.
 *
 * \sa HavePendingMessage, PostQuitMesasge, MSG
 *
 * Example:
 *
 * \include getmessage.c
 */
int GUIAPI GetMessage (PMSG pMsg, HWND hMainWnd);

/**
 * fn BOOL HavePendingMessage (HWND hMainWnd)
 * \brief Checks if there is any pending message in the message queue of a main window.
 *
 * This function checks whether there is any pending message in the
 * message queue of the main window \a hMainWnd.
 *
 * \param hMainWnd The handle to the main window.
 * \return TRUE for pending message, FALSE for empty message queue.
 *
 * \sa GetMessage, MSG
 */
BOOL GUIAPI HavePendingMessage (HWND hMainWnd);

#define PM_NOREMOVE     0x0000
#define PM_REMOVE       0x0001
#define PM_NOYIELD      0x0002
BOOL GUIAPI PeekPostMessage (PMSG pMsg, HWND hWnd, int iMsgFilterMin, 
                        int iMsgFilterMax, UINT uRemoveMsg);

/**
 * \fn int PostMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam)
 * \brief Posts a message into the message queue of a window and returns immediatly.
 *
 * This functions posts a message into the message queue of the window \a hWnd 
 * and returns immediatly.
 *
 * \param hWnd The handle to the window.
 * \param iMsg The identifier of the message.
 * \param wParam The first parameter of the message.
 * \param lParam The second parameter of the message.
 * \return ERR_OK on success, < 0 on errors.
 *
 * \retval ERR_OK Post message successfully.
 * \retval ERR_QUEUE_FULL The message queue is full.
 * \retval ERR_INV_HWND Invalid window handle.
 *
 * \sa SendMessage
 */               
int GUIAPI PostMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);

/**
 * \fn int SendMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam)
 * \brief Sends a message to a window.
 *
 * This function sends a message to the window \a hWnd, and will return 
 * until the message-handling process returns.
 *
 * \param hWnd The handle to the window.
 * \param iMsg The identifier of the message.
 * \param wParam The first parameter of the message.
 * \param lParam The second parameter of the message.
 * \return The return value of the message handler.
 *
 * \sa PostMessage
 */
int GUIAPI SendMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);

/**
 * \fn void GUIAPI SetAutoRepeatMessage (HWND hwnd, int msg, WPARAM wParam, LPARAM lParam)
 * \brief Sets the auto-repeat message.
 *
 * This function sets the auto-repeat message. When the default message
 * procedure receives an MSG_IDLE message, the default handler will send
 * the auto-repeat message to the target window as a notification message.
 *
 * \param hwnd The handle to the target window. Set it to HWND_DESKTOP
 *        to disable the auto-repeat message.
 * \param msg The identifier of the auto-repeat message.
 * \param wParam The first parameter of the auto-repeat message.
 * \param lParam The second parameter of the auto-repeat message.
 */
void GUIAPI SetAutoRepeatMessage (HWND hwnd, int msg, WPARAM wParam, LPARAM lParam);

#ifdef _LITE_VERSION
/**
 * \def SendAsyncMessage
 * \brief Is an alias of \a SendMessage for MiniGUI-Lite.
 * \sa SendMessage
 */ 
#define SendAsyncMessage SendMessage

#define CLIENTS_TOPMOST          -1
#define CLIENTS_ALL              -2
#define CLIENTS_EXCEPT_TOPMOST   -3
#define CLIENT_ACTIVE            -4

/**
 * \fn int Send2Client (MSG* msg, int cli)
 * \brief Sends a message to a client.
 *
 * This function sends a message to the specified client \a cli.
 *
 * \param msg The pointer to the message.
 * \param cli Either be the identifier of the targe client or one of the following values:
 *      - CLIENT_ACTIVE\n
 *        The current active client on the topmost layer.
 *      - CLIENTS_TOPMOST\n
 *        All clients in the topmost layer.
 *      - CLIENTS_EXCEPT_TOPMOST\n
 *        All clients except clients in the topmost layer.
 *      - CLIENTS_ALL\n
 *        All clients.
 * \return SOCKERR_OK if all OK, < 0 on error.
 *
 * \retval SOCKERR_OK       Read data successfully.
 * \retval SOCKERR_IO       There are some I/O errors occurred.
 * \retval SOCKERR_CLOSED   The socket has been closed by the peer.
 * \retval SOCKERR_INVARG   You passed invalid arguments.
 *
 * \note This function is only defined for MiniGUI-Lite, and
 *       can be called only by the server, i.e. \a mginit.
 *
 * \sa Send2TopMostClients, Send2ActiveClient
 */
    int GUIAPI Send2Client (MSG* msg, int cli);

/**
 * \def send2client Send2Client