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C Programming Starter Kit 2.0
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SamsPublishing-CProgrammingStarterKit-v2.0-Win31.iso
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bc45
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autocalc.pak
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CALLCALC.CPP
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C/C++ Source or Header
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1997-07-23
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7KB
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254 lines
//----------------------------------------------------------------------------
// ObjectComponents - (C) Copyright 1994 by Borland International
// OLE Automation Controller example
//----------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#pragma hdrstop
#include "autocalc.cxx"
#include "callcalc.rh"
const GUID _cdecl FAR IID_CalcApplication =
{0x877B6200L,0x7627,0x101B,{0xB8,0x7C,0x00,0x00,0xC0,0x57,0xCE,0x4E}};
const GUID _cdecl FAR IID_CalcDebug =
{0x877B6201L,0x7627,0x101B,{0xB8,0x7C,0x00,0x00,0xC0,0x57,0xCE,0x4E}};
const GUID _cdecl FAR IID_CalcDllServer =
{0x877B6280L,0x7627,0x101B,{0xB8,0x7C,0x00,0x00,0xC0,0x57,0xCE,0x4E}};
#define ExeProgId "OCCalc.Application"
#define DllProgId "OCCalc.DllServer"
#define DebugProgId "OCCalc.Debug"
class TOutputDialog {
public:
TOutputDialog(HINSTANCE hInst, int resId);
~TOutputDialog() {::DestroyWindow(Window);}
void Display(int id, const char far* text);
void Display(int id, long val);
void Press(int id, bool state);
void Show(int id, bool state);
void Pump();
void Hold();
int Wait();
operator HWND() {return Window;}
private:
void ReportResult(long value);
void Dispatch(MSG& msg);
HINSTANCE Instance;
HWND Window;
DECLARE_AUTOCLASS(TOutputDialog)
AUTOPROPWO(ReportResult, ReportResult, long, )
};
DEFINE_AUTOCLASS(TOutputDialog)
EXPOSE_PROPWO_ID(0, ReportResult, TAutoLong, "Value", "Result update", 0)
END_AUTOCLASS(TOutputDialog, tfNormal,"TOutputDialog", "Callback object", 0)
void TOutputDialog::ReportResult(long value)
{
Display(IDC_ACCUM, value);
}
#define WM_USERSTAT (WM_USER + 100)
bool CALLBACK __export
DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM /*lParam*/)
{
if (msg == WM_INITDIALOG) {
return 1;
} else if (msg == WM_COMMAND && wParam >= IDOK && wParam <= IDNO) {
::PostMessage(hDlg, WM_USERSTAT, wParam, 0);
return 1;
} else if (msg == WM_CLOSE) {
::PostMessage(hDlg, WM_USERSTAT, IDABORT, 0);
return 1;
}
return 0;
}
TOutputDialog::TOutputDialog(HINSTANCE hInst, int resId)
{
Window = ::CreateDialog(hInst, MAKEINTRESOURCE(resId), 0, (DLGPROC)DlgProc);
Pump();
}
void TOutputDialog::Dispatch(MSG& msg)
{
if (::IsDialogMessage(Window, &msg))
return;
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
void TOutputDialog::Pump()
{
MSG msg;
while (::PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
Dispatch(msg);
}
void TOutputDialog::Hold()
{
MSG msg;
while (!::GetFocus()
#if 0
|| ::GetWindowTask(::GetFocus())!=::GetCurrentTask())
#endif
)
if (::PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
Dispatch(msg);
}
int TOutputDialog::Wait()
{
MSG msg;
int stat = 0;
while ( !stat && ::GetMessage(&msg, 0, 0, 0)) {
if (msg.message == WM_USERSTAT)
stat = msg.wParam;
else
Dispatch(msg);
}
return stat;
}
void TOutputDialog::Display(int id, const char far* text)
{
::SetDlgItemText(Window, id, text);
}
void TOutputDialog::Display(int id, long val)
{
char buf[20];
wsprintf(buf, "%ld", val);
Display(id, buf);
}
void TOutputDialog::Press(int id, bool state)
{
::SendDlgItemMessage(Window, id, BM_SETSTATE, state, 0);
}
void TOutputDialog::Show(int id, bool state)
{
::ShowWindow(::GetDlgItem(Window, id), state ? SW_SHOWNOACTIVATE : SW_HIDE);
Pump();
}
//____________________________________________________________________________
const char* passName[] = {"GUID: AUTOCALC.EXE", "ProgID: " ExeProgId,
"GUID: ACALDIPS.DLL", "ProgID: " DllProgId,
"GUID: AUTOCALC.EXE-DEBUG","ProgID: " DebugProgId};
int PASCAL
WinMain(HINSTANCE hInst, HINSTANCE/*prev*/, char far* cmdLine, int/*show*/)
{
char buf[100];
try {
short i;
TOutputDialog out(hInst, 1);
TOleAllocator oleMem(0); // required to initialize OLE memory allocation
if (!cmdLine || !cmdLine[0])
cmdLine = "1234";
char far* passList = cmdLine;
char pass;
while ((pass = *passList++)!=0) {
// Initialize display dialog
//
if (pass < '1' || pass > '6')
continue;
out.Show(IDC_EXIT, false);
out.Show(IDC_REPEAT, false);
for (int b = IDC_FIRSTBUTTON; b <= IDC_LASTBUTTON; b++)
out.Show(b, false);
for (int t = IDC_FIRSTTEXT; t <= IDC_LASTTEXT; t++)
out.Display(t, "");
out.Display(IDC_PASS, passName[pass-'1']);
// Bind to server, do some arithmetic on the caclculator
//
TCalc calc;
switch (pass) {
case '1': calc.Bind(IID_CalcApplication); break;
case '2': calc.Bind(ExeProgId); break;
case '3': calc.Bind(IID_CalcDllServer); break;
case '4': calc.Bind(DllProgId); break;
case '5': calc.Bind(IID_CalcDebug); break;
case '6': calc.Bind(DebugProgId); break;
}
calc.SetUpdate(*new TDispatch(TAutoObject<TOutputDialog>(out)));
calc.SetOperand(pass-'0');
calc.SetOp("Add");
calc.Evaluate();
calc.SetOperand(1111);
calc.Button("*");
calc.Evaluate(); // callback will display in IDC_ACCUM
calc.Display();
// Iteratate over integer array collection
//
TCalcArray calcArray;
calc.GetArray(calcArray);
TAutoEnumerator<short> array;
calcArray.Enumerate(array);
char* bp = buf;
while (array.Step()) {
array.Value(i);
bp += wsprintf(bp, "%i ", i);
}
out.Display(IDC_ARRAY, buf);
// Access calculator window, read and write caption
//
TCalcWindow window;
calc.GetWindow(window);
wsprintf(buf, "Pass %c of CALLCALC", pass);
window.SetCaption(buf);
out.Display(IDC_CAPTION, window.GetCaption());
window.SetColor(RGB(0,255,0));
// Iterate over button collection, pushing and releasing buttons
//
TButtonList buttons;
window.GetButtons(buttons);
TAutoEnumerator<TCalcButton> list;
buttons.Enumerate(list);
TCalcButton button;
for (i = IDC_FIRSTBUTTON; list.Step(); i++) {
list.Object(button);
button.SetActivate(true);
out.Display(i, button.GetText());
out.Press(i, true);
out.Show(i, true);
}
window.SetColor(RGB(255,0,0));
for (int bi = (int)buttons.GetCount(); --bi >= 0; ) {
buttons.Item(button, (short)bi);
button.SetActivate(false);
out.Press(IDC_FIRSTBUTTON + bi, false);
out.Display(IDC_FIRSTBUTTON + bi, button.GetText());
}
// Terminate calculator, wait for user response if end of run
//
out.Pump();
if (*passList == 0) {
out.Show(IDC_EXIT, true);
out.Show(IDC_REPEAT, true);
if (out.Wait() == IDC_REPEAT)
passList = cmdLine;
}
calc.Quit();
}
::CoFreeUnusedLibraries();
}
catch (TXBase& x) {
::MessageBox(0, x.why().c_str(), "OLE Exception", MB_OK);
}
return 0;
}