sample9_1.c

CVI例程

#include "cvi.h"
#include <utility.h>
#include <cvirte.h>  
#include "sample9_1.h"

static CAObjHandle  CVIObj = 0;
static int  panel = 0;

static void MessagePopupCAError(int status);
static void MessagePopupCVIError(int status);
static void GetError(int hresult,int retVal);  
int main (int argc, char *argv[])
{
    HRESULT hresult = 0;
    int retVal = 0;  
    if (InitCVIRTE (0, argv, 0) == 0)   
        return -1;
    if ((panel = LoadPanel (0, "sample9_1.uir", PANEL)) < 0)
        return -1;   
    DisplayPanel (panel);
    RunUserInterface();   
    DiscardPanel (panel);
    return 0;
}
int CVICALLBACK LaunchCVI (int panel, int control, int event, void *callbackData,
    int eventData1, int eventData2)
{
    HRESULT hresult = 0;  
    switch (event) {
        case EVENT_COMMIT:
            SetWaitCursor(1);
            hresult = CVI_NewApp (NULL, &CVIObj);
            SetWaitCursor(0);
            if (hresult)
                MessagePopupCAError(hresult);
            else{
                SetCtrlAttribute(panel, PANEL_LOADPROJECT, ATTR_DIMMED, 0);
                SetCtrlAttribute(panel, PANEL_VIEWSOURCE,  ATTR_DIMMED, 0);
                SetCtrlAttribute(panel, PANEL_RUNPROJECT,  ATTR_DIMMED, 0);
                SetCtrlAttribute(panel, PANEL_CREATEEXE,   ATTR_DIMMED, 0);
                SetCtrlAttribute(panel, PANEL_SHUTDOWNCVI, ATTR_DIMMED, 0);
                SetCtrlAttribute(panel, PANEL_LOADFILE, ATTR_DIMMED, 0); 
            }    
            break;
        }
    return 0;
}
int CVICALLBACK LoadProject (int panel, int control, int event, void *callbackData,
    int eventData1, int eventData2)
{
    HRESULT hresult = 0;
    int     retVal = 0;
    char    pathName[MAX_PATHNAME_LEN];	   
    switch (event) {
        case EVENT_COMMIT:
                retVal = FileSelectPopup ("", "*.prj", "*.prj",
                                      "Select Project", VAL_LOAD_BUTTON,
                                      FALSE, FALSE, TRUE, FALSE, pathName);
                if (retVal == VAL_EXISTING_FILE_SELECTED){
                     SetWaitCursor(1);
                     hresult = CVI_AppOpenProject (CVIObj, NULL, pathName, FALSE, &retVal);
                     SetWaitCursor(0);
                     if (retVal<0 || hresult<0)
                         goto Error;    
                }
            break;
        }
    return 0;
Error:GetError(hresult,retVal); 
	return 0;
}

int CVICALLBACK ViewSource (int panel, int control, int event,
    void *callbackData, int eventData1, int eventData2)
{
    HRESULT hresult = 0;
    int     retVal = 0,index,found,numFiles = 0;
    char    *pathName = NULL,SelectedName[MAX_PATHNAME_LEN];  
    switch (event) {
        case EVENT_COMMIT:
            hresult = CVI_AppGetNumProjectFiles (CVIObj, NULL, &numFiles, &retVal);
            if (retVal<0 || hresult<0)
                goto Error;                                                
            if (numFiles){
                if (!(panel = LoadPanel (0, "sample9_1.uir", CHOOSEFILE)))
                    goto Error;
                for (index=0; index<numFiles; index++)
                {
                    hresult = CVI_AppGetFileNameByIndex (CVIObj, 
                        NULL, index, &pathName, &found, &retVal);  
                    if (retVal<0 || hresult<0)
                        goto Error;
                    if (!strstr(pathName, ".lib") && !strstr(pathName, ".obj"))
                        InsertListItem(panel, CHOOSEFILE_LISTBOX, -1, pathName, pathName);
                    if (pathName){
                        CA_FreeMemory (pathName);
                        pathName = NULL;
                    }    
                }
                GetNumListItems (panel, CHOOSEFILE_LISTBOX, &numFiles);
                if (numFiles<1) 
                {
                    MessagePopup ("sample9_1",
                        "There are no editable files in the project.");
                    break;
                }    
                InstallPopup (panel);
                while (GetUserEvent (1, &panel, &control)!=1);
                RemovePopup (0);
                if (control!=CHOOSEFILE_CANCEL){
                    GetCtrlVal(panel, CHOOSEFILE_LISTBOX, SelectedName);
                    DiscardPanel(panel);
                    hresult = CVI_AppGetAbsPathFromProject (
                        CVIObj, NULL, SelectedName, &pathName, &retVal);
                    if (retVal<0 || hresult<0)
                        goto Error;  
                    SetWaitCursor(1);
                    hresult = CVI_AppOpenWindow (CVIObj, NULL, 
                        pathName, &retVal);
                    SetWaitCursor(0);
                    if (pathName){
                        CA_FreeMemory (pathName);
                        pathName = NULL;
                    } 
                    if (retVal<0 || hresult<0)
                        goto Error;   
                }   
                else 
                    DiscardPanel(panel);
            }
            else 
                MessagePopup ("sample9_1",
                    "There are no editable files in the project.");
            break;
        }
    return 0;
Error:GetError(hresult,retVal); 
    return 0;
}
int CVICALLBACK RunProject (int panel, int control, int event, void *callbackData,
    int eventData1, int eventData2)
{
    HRESULT hresult = 0;
    int     retVal = 0;		 
    switch (event) {
        case EVENT_COMMIT:
            SetWaitCursor(1);
            hresult = CVI_AppRunProject (CVIObj, NULL, TRUE, &retVal);
            SetWaitCursor(0);
            if (retVal<0 || hresult<0)
                goto Error;
            break;
        }
Error:GetError(hresult,retVal); 
    return 0;
}
int CVICALLBACK CreateEXE (int panel, int control, int event,
        void *callbackData, int eventData1, int eventData2)
{
    HRESULT hresult = 0;
    int     retVal = 0;
    char    pathName[MAX_PATHNAME_LEN]; 
    switch (event) {
        case EVENT_COMMIT:
            hresult = CVI_AppSetProjectTargetType (CVIObj, NULL, CVIConst_CVI_TARGET_TYPE_EXECUTABLE, &retVal);
            if (retVal<0 || hresult<0)
                goto Error;
            retVal = FileSelectPopup ("", "*.exe", "*.exe", "Create Executable",
                VAL_SAVE_BUTTON, FALSE, FALSE, TRUE, TRUE, pathName);
            if (retVal == VAL_EXISTING_FILE_SELECTED ||
                retVal == VAL_NEW_FILE_SELECTED) 
            {
                hresult = CVI_AppSetProjectTargetPath (CVIObj, NULL, pathName, &retVal);
                if (retVal<0 || hresult<0)
                    goto Error;

                SetWaitCursor(1);
                hresult = CVI_AppCreateProjectTarget (CVIObj, NULL, &retVal);
                SetWaitCursor(0);
                if (retVal<0 || hresult<0)
                    goto Error;
            }
            retVal = 0;
            break;
        }
    return 0;    
Error:GetError(hresult,retVal); 
    return 0;
}
int CVICALLBACK ShutdownCVI (int panel, int control, int event, void *callbackData,
    int eventData1, int eventData2)
{
    HRESULT hresult = 0;
    long     retVal = 0;
    switch (event) {
        case EVENT_COMMIT:
            hresult = CVI_AppExitCVI (CVIObj, NULL, TRUE, &retVal);
            if ((hresult) || (retVal))
                goto Error;
            else{   
                SetCtrlAttribute(panel, PANEL_LOADPROJECT, ATTR_DIMMED, 1);
                SetCtrlAttribute(panel, PANEL_VIEWSOURCE,  ATTR_DIMMED, 1);
                SetCtrlAttribute(panel, PANEL_RUNPROJECT,  ATTR_DIMMED, 1);
                SetCtrlAttribute(panel, PANEL_CREATEEXE,   ATTR_DIMMED, 1);
                SetCtrlAttribute(panel, PANEL_SHUTDOWNCVI, ATTR_DIMMED, 1);
                SetCtrlAttribute(panel, PANEL_LOADFILE,    ATTR_DIMMED, 1); 
                CA_DiscardObjHandle (CVIObj);
                CVIObj = 0;
            }    
            break;
    }
    return 0;
Error:GetError(hresult,retVal); 
    return 0;
}
int CVICALLBACK Quit (int panel, int control, int event, void *callbackData,
    int eventData1, int eventData2)
{
	HRESULT hresult = 0;  
	long     retVal = 0;   
    switch (event) {
        case EVENT_COMMIT:
   			 if (CVIObj) 
   			 {
        		hresult = CVI_AppExitCVI (CVIObj, NULL, TRUE, &retVal);
        		GetError(hresult,retVal);    
        		CA_DiscardObjHandle (CVIObj);
        		CVIObj = 0;
    		} 
            QuitUserInterface (0);
            break;
    }
    return 0;
}
int CVICALLBACK LoadFile (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	HRESULT hresult = 0;  
	long     retVal = 0;  
	char AddfileName[MAX_PATHNAME_LEN];
	switch (event)
	{
		case EVENT_COMMIT:
			retVal = FileSelectPopup ("", "*.*", "*.*", "添加文件",
									  VAL_SELECT_BUTTON, 0, 0, 1, 0, AddfileName);
			if(retVal==VAL_EXISTING_FILE_SELECTED)
				hresult=CVI_AppAddFileToProject (CVIObj, NULL, AddfileName, &retVal);
			if (retVal<0 || hresult<0)
                goto Error;
			break;
	}
	return 0;
Error:GetError(hresult,retVal); 
    return 0;
}
static void MessagePopupCAError(int status)
{
    char buffer[255];
    
    CA_GetAutomationErrorString (status, buffer, 255);
    MessagePopup("ActiveX Automation Error", buffer);
}    
static void MessagePopupCVIError(int status)
{
    char buffer[255];
    
    switch (status) {
        case 0 : strcpy(buffer, "NO_ERROR" ); break;
        default: strcpy(buffer, "CVI Error"); break;
    }   
    MessagePopup("CVI Server Automation Error", buffer);
}    
static void GetError(int hresult,int retVal)
{
    if (hresult<0)
        MessagePopupCAError(hresult);
    if (retVal<0)
        MessagePopupCVIError(retVal);
}