mainform.c

可编程器件厂商Xilinx的手持式逻辑分析仪的逻辑设计

                    sbioReadBuffData (0, PlotData.TrigDataBuffOffset,
                            PlotData.bTrigInHiByte, PlotData.SmplData);
                    DrawPlotAreaGadget();
                    DrawBufferBarGadget();

                    if (AppPrefs.bAutoSweepMode == true)
                        StartAcquisition();
                    else
                        StopAcquisition();
                }
            }
            break;
        }

    return bHandled;
}





/***********************************************************************
 *
 * FUNCTION:    MainFormInit
 *
 * DESCRIPTION: This routine initializes the MainForm form.
 *
 * PARAMETERS:  frm - pointer to the MainForm form.
 *
 * RETURNED:    nothing
 *
 * REVISION HISTORY:
 *
 *
 ***********************************************************************/
static void MainFormInit (FormPtr pFrm)
{
    /*========================================================================*/
    /* Declare all local variables.                                           */
    /*========================================================================*/
    ListPtr pLst;
    Char* pLabel;
    ControlPtr pCtl;

    /*========================================================================*/
    /* Set the timeout for the event loop query for a new event to 1/2 sec.   */
    /*========================================================================*/
    EventLoopTimeout = evtWaitForever;

    /*========================================================================*/
    /* Set the Timescale in both the list and the selector.                   */
    /*========================================================================*/
    pLst = GetObjectPtr (frmMainTimeScaleList);
    LstSetSelection (pLst, AppPrefs.Timebase);
    pLabel = LstGetSelectionText (pLst, AppPrefs.Timebase);

    pCtl = GetObjectPtr (frmMainTimeScalePopTrigger);
    CtlSetLabel (pCtl, pLabel);
    FrmShowObject (pFrm, FrmGetObjectIndex (pFrm, frmMainTimeScalePopTrigger));

    /*========================================================================*/
    /* Set the Labels on the Channel Label buttons.                           */
    /*========================================================================*/
    CtlSetLabel (GetObjectPtr(frmMainCh0LabelButton),
                 AppPrefs.ChnlLabel[0]);
    CtlSetLabel (GetObjectPtr(frmMainCh1LabelButton),
                 AppPrefs.ChnlLabel[1]);
    CtlSetLabel (GetObjectPtr(frmMainCh2LabelButton),
                 AppPrefs.ChnlLabel[2]);
    CtlSetLabel (GetObjectPtr(frmMainCh3LabelButton),
                 AppPrefs.ChnlLabel[3]);
    CtlSetLabel (GetObjectPtr(frmMainCh4LabelButton),
                 AppPrefs.ChnlLabel[4]);
    CtlSetLabel (GetObjectPtr(frmMainCh5LabelButton),
                 AppPrefs.ChnlLabel[5]);
    CtlSetLabel (GetObjectPtr(frmMainCh6LabelButton),
                 AppPrefs.ChnlLabel[6]);
    CtlSetLabel (GetObjectPtr(frmMainCh7LabelButton),
                 AppPrefs.ChnlLabel[7]);

    /*========================================================================*/
    /* If the AutoRun bit is set, then start an acquisition and make the stop */
    /* button visible.  Otherwise, make sure that the acquisition is stopped  */
    /* and the run button is visible.                                         */
    /*========================================================================*/
    if (AppPrefs.bAutoSweepMode == true)
        StartAcquisition();
    else
        StopAcquisition();

    /*========================================================================*/
    /* Set the event handler for both of the gadgets on the screen.           */
    /*========================================================================*/
    FrmSetGadgetHandler (pFrm, FrmGetObjectIndex (pFrm, frmMainBufferBarGadget),
                         MainGadgetHandler);
}




/***********************************************************************
 *
 * FUNCTION:    MainFormDoCommand
 *
 * DESCRIPTION: This routine performs the menu command specified.
 *
 * PARAMETERS:  command  - menu item id
 *
 * RETURNED:    nothing
 *
 * REVISION HISTORY:
 *
 *
 ***********************************************************************/
static Boolean MainFormDoCommand(UInt16 command)
{
    EventType event;
    Boolean handled = false;
    FormPtr pFrm;

    switch (command)
        {
        case MainSetupRunMode:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            FrmGotoForm (FrmRunModeForm);
            handled = true;
            break;
        case MainSetupSetupTrigger:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            FrmGotoForm (FrmTrigDefForm);
            handled = true;
            break;
        case MainSetupEXIT:
            event.eType = appStopEvent;
            EvtAddEventToQueue(&event);
            handled = true;
            break;
        case MainSetupSetTimebase:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            FrmGotoForm (FrmTimebaseSelectForm);
            handled = true;
            break;
        case MainSetupSelectChannels:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            FrmGotoForm (FrmChnlSelectForm);
            handled = true;
            break;
        case MainCursorsXOnOff:
            handled = true;
            break;
        case MainCursorsOOnOff:
            handled = true;
            break;
        case MainCursorsPositionX:
            handled = true;
            break;
        case MainCursorsPositionO:
            handled = true;
            break;
        case MainCursorsJumptoX:
            handled = true;
            break;
        case MainCursorsJumptoO:
            handled = true;
            break;
        case MainCursorsJumptoT:
            handled = true;
            break;
        case MainCursorsDisplayCursorMeasurements:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            pFrm = FrmInitForm (FrmCursorDataForm);
            FrmDoDialog (pFrm);
            FrmDeleteForm (pFrm);
            handled = true;
            break;
        case MainOptionsPreferences:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            FrmGotoForm (FrmPrefsForm);
            handled = true;
            break;
        case MainOptionsHelp:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            pFrm = FrmGetActiveForm();
            FrmHelp (MainScreenHelpString);
            handled = true;
            break;
        case MainOptionsAboutPocketAnalyzer:
            MenuEraseStatus(0);                 /* Clear menu from display.   */
            pFrm = FrmInitForm (FrmAboutForm);
            FrmDoDialog (pFrm);                 /* Display the About Box.     */
            FrmDeleteForm (pFrm);
            handled = true;
            break;
        }

    return handled;
}




/*============================================================================*/
/* Function:            MainGadgetHandler                                     */
/* Description:         This routine is the event handler for all of the      */
/*                      gadgets on the Main screen of the PocketAnalyzer      */
/*                      application.                                          */
/*                                                                            */
/* Arguments:           pGadget  = Pointer to the gadget with the event.      */
/*                      cmd      = Event handler action code.                 */
/*                      pParam   = Pointer to EventType structure.            */
/* Returns:             bHandled = Boolean indicating if the event has been   */
/*                                 properly handled.                          */
/* Globals affected:    None                                                  */
/* Hardware affected:   None                                                  */
/*                                                                            */
/*============================================================================*/
/* Change History:                                                            */
/*                                                                            */
/* ECO#:  ?                                                                   */
/* Change Date:  dd-mmm-yyyy                                                  */
/* Changed By:   ?                                                            */
/* Description of Change:  ?                                                  */
/*                                                                            */
/*============================================================================*/
Boolean MainGadgetHandler (struct FormGadgetType *pGadget,
                           UInt16 cmd, void *pParam)
{
    /*========================================================================*/
    /* Declare all local variables.                                           */
    /*========================================================================*/
    Boolean bHandled = false;
    EventType *pEvent;

    switch (cmd)
    {
        /*====================================================================*/
        /* Sent to active gadgets any time form is drawn or redrawn.          */
        /*====================================================================*/
        case formGadgetDrawCmd:
            DrawPlotAreaGadget();
            DrawBufferBarGadget();
            pGadget->attr.visible = true;
            bHandled = true;
            break;

        /*====================================================================*/
        /* Sent when form receives a gadget event.  paramP points to          */
        /* EventType structure.                                               */
        /*====================================================================*/
        case formGadgetHandleEventCmd:
            pEvent = pParam;

            /*================================================================*/
            /* penDown in gadget抯 bounds.                                    */
            /*================================================================*/
            if (pEvent->eType == frmGadgetEnterEvent)
            {
                PlotAreaGadgetTapped ();
                bHandled = true;
            }

            /*================================================================*/
            /* This event is sent by your application when it needs to send   */
            /* info to the gadget.                                            */
            /*================================================================*/
            if (pEvent->eType == frmGadgetMiscEvent)
            {
            }
            break;

        /*====================================================================*/
        /* Perform any cleanup prior to deletion.                             */
        /*====================================================================*/
        case formGadgetDeleteCmd:
            break;

        /*====================================================================*/
        /* FrmHideObject takes care of this if you return false.              */
        /*====================================================================*/