movedemo.c

CVI教程,用于信号采集系统的多任务开发软件.学习简单,功能实用.

#include <cvirte.h>    /* Needed if linking in external compiler; harmless otherwise */
#include <ansi_c.h>
#include <userint.h>
#include "movedemo.h"
#include "movectrl.h"


/***********/
/* Globals */
/***********/

int mainPanel, movableCtrlPanel;


/*******************************/
/* Private Function Prototypes */
/*******************************/

static void InsertPanelControlsIntoRing (int panel, int ringPanel,
                                         int ringCtrl);
static void UpdateSettingCheckBoxes (int panel);


/*************/
/* Functions */
/*************/


int main (int argc, char *argv[])
{
    if (InitCVIRTE (0, argv, 0) == 0)    /* Needed if linking in external compiler; harmless otherwise */
        return -1;    /* out of memory */
    
    mainPanel = LoadPanel (0, "movedemo.uir", PANEL);
    movableCtrlPanel = LoadPanel (mainPanel, "movedemo.uir", MOVABLE);
    SetPanelPos (movableCtrlPanel, 14, 24);
    
    MakeMovableCtrl (movableCtrlPanel, -1, "", 1, 1, 1, 1);
    InsertPanelControlsIntoRing (movableCtrlPanel, mainPanel, PANEL_CTRLRING);
    
    DisplayPanel (movableCtrlPanel);
    DisplayPanel (mainPanel);
    RunUserInterface ();
    DiscardPanel (mainPanel);
    return 0;
}


static void InsertPanelControlsIntoRing (int panel, int ringPanel,
                                         int ringCtrl)
{
    int ctrl, ctrlStyle;
    char ctrlName[256];
    
    GetPanelAttribute (panel, ATTR_PANEL_FIRST_CTRL, &ctrl);
    while (ctrl > 0)
    {
        GetCtrlAttribute (panel, ctrl, ATTR_CTRL_STYLE, &ctrlStyle);
        
        /* Check to see the type of control */
        if ((ctrlStyle >= CTRL_RAISED_BOX) && (ctrlStyle <= CTRL_FLAT_ROUNDED_BOX))
            strcpy (ctrlName, "CTRL_DECORATION");   /* decoration */
        else if (ctrlStyle == CTRL_TEXT_MSG)
            GetCtrlVal (panel, ctrl, ctrlName);     /* text msg */
        else
            GetCtrlAttribute (panel, ctrl, ATTR_LABEL_TEXT, ctrlName);

        InsertListItem (ringPanel, ringCtrl, -1, ctrlName, ctrl);
        GetCtrlAttribute (panel, ctrl, ATTR_NEXT_CTRL, &ctrl);
    }
    
    UpdateSettingCheckBoxes (ringPanel);
}


static void UpdateSettingCheckBoxes (int panel)
{
    int ctrlID, movable, sizable, labelMovable;
    
    GetCtrlVal (panel, PANEL_CTRLRING, &ctrlID);
    GetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                             MOVECTRL_ATTR_CTRL_MOVABLE, &movable);
    GetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                             MOVECTRL_ATTR_CTRL_SIZABLE, &sizable);
    GetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                             MOVECTRL_ATTR_LABEL_MOVABLE, &labelMovable);
    
    SetCtrlVal (panel, PANEL_MOVABLE, movable);
    SetCtrlVal (panel, PANEL_SIZABLE, sizable);
    SetCtrlVal (panel, PANEL_LABELMOVABLE, labelMovable);
}


int CVICALLBACK ShutDown (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    switch (event)
    {
        case EVENT_COMMIT:
            QuitUserInterface (0);
            break;
    }
    return 0;
}


int CVICALLBACK ShowHelp (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    int helpPanel, eventPanel, eventControl;
    
    switch (event)
    {
        case EVENT_COMMIT:
            helpPanel = LoadPanel (0, "movedemo.uir", HELPPANEL);
            InstallPopup (helpPanel);
            GetUserEvent (1, &eventPanel, &eventControl);
            RemovePopup (0);
            break;
    }
    return 0;
}


int CVICALLBACK SaveSettings (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    char configName[256];
    int numItems, prevIndex;
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_CONFIGNAME, configName);
            SaveMovableCtrlSettings (movableCtrlPanel, -1, configName);

            /* Put name in history list (if it's not already there) */
            GetIndexFromValue (panel, PANEL_NAMEHISTORY, &prevIndex, configName);
            if (prevIndex == -1)
            {
                InsertListItem (panel, PANEL_NAMEHISTORY, -1, configName, configName);
                GetNumListItems (panel, PANEL_NAMEHISTORY, &numItems);
                SetCtrlIndex (panel, PANEL_NAMEHISTORY, numItems - 1);
            }
            break;
    }
    return 0;
}


int CVICALLBACK LoadSettings (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    char configName[256];
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_CONFIGNAME, configName);
            LoadMovableCtrlSettings (movableCtrlPanel, -1, configName);
            UpdateSettingCheckBoxes (panel);
            break;
    }
    return 0;
}


int CVICALLBACK SetSizable (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    int ctrlID, sizable;
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_CTRLRING, &ctrlID);
            GetCtrlVal (panel, control, &sizable);
            SetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                                     MOVECTRL_ATTR_CTRL_SIZABLE, sizable);
            break;
    }
    return 0;
}


int CVICALLBACK SetLabelMovable (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    int ctrlID, labelMovable;
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_CTRLRING, &ctrlID);
            GetCtrlVal (panel, control, &labelMovable);
            SetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                                     MOVECTRL_ATTR_LABEL_MOVABLE, labelMovable);
            break;
    }
    return 0;
}

int CVICALLBACK SetMovable (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    int ctrlID, movable;
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_CTRLRING, &ctrlID);
            GetCtrlVal (panel, control, &movable);
            SetMovableCtrlAttribute (movableCtrlPanel, ctrlID,
                                     MOVECTRL_ATTR_CTRL_MOVABLE, movable);
            break;
    }
    return 0;
}


int CVICALLBACK ChangeCtrl (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    switch (event)
    {
        case EVENT_COMMIT:
            UpdateSettingCheckBoxes (panel);
            break;
    }
    return 0;
}

int CVICALLBACK SelectHistoryItem (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    char configName[256];
    
    switch (event)
    {
        case EVENT_COMMIT:
            GetCtrlVal (panel, PANEL_NAMEHISTORY, configName);
            SetCtrlVal (panel, PANEL_CONFIGNAME, configName);
            break;
    }
    return 0;
}