multiwin.c File Reference

#include <windows.h>
#include <stdio.h>

Include dependency graph for multiwin.c:

Go to the source code of this file.

Functions
LRESULT WINAPI	MultiWndProc (HWND, UINT, WPARAM, LPARAM)
int WINAPI	WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)

Variables
static UINT	WindowCount

Function Documentation

MultiWndProc()

LRESULT WINAPI MultiWndProc	(	HWND	hWnd,
		UINT	msg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 91 of file multiwin.c.

{
  PAINTSTRUCT ps;
  HDC hDC;
  LONG Style;
  RECT Client;
  HBRUSH Brush;
  static COLORREF Colors[] =
    {
      RGB(0x00, 0x00, 0x00),
      RGB(0x80, 0x00, 0x00),
      RGB(0x00, 0x80, 0x00),
      RGB(0x00, 0x00, 0x80),
      RGB(0x80, 0x80, 0x00),
      RGB(0x80, 0x00, 0x80),
      RGB(0x00, 0x80, 0x80),
      RGB(0x80, 0x80, 0x80),
      RGB(0xff, 0x00, 0x00),
      RGB(0x00, 0xff, 0x00),
      RGB(0x00, 0x00, 0xff),
      RGB(0xff, 0xff, 0x00),
      RGB(0xff, 0x00, 0xff),
      RGB(0x00, 0xff, 0xff),
      RGB(0xff, 0xff, 0xff)
    };
  static unsigned CurrentColor = 0;
 
  switch(msg)
    {
      case WM_PAINT:
    hDC = BeginPaint(hWnd, &ps);
    GetClientRect(hWnd, &Client);
    Brush = CreateSolidBrush(Colors[CurrentColor]);
    FillRect(hDC, &Client, Brush);
    DeleteObject(Brush);
    CurrentColor++;
    if (sizeof(Colors) / sizeof(Colors[0]) <= CurrentColor)
      {
        CurrentColor = 0;
      }
    EndPaint(hWnd, &ps);
    break;
 
      case WM_DESTROY:
    Style = GetWindowLong(hWnd, GWL_STYLE);
    if (0 == (Style & WS_CHILD) && 0 == --WindowCount)
      {
        PostQuitMessage(0);
      }
    break;
 
      default:
    return DefWindowProc(hWnd, msg, wParam, lParam);
    }
 
  return 0;
}

Referenced by WinMain().

WinMain()

int WINAPI WinMain	(	HINSTANCE	hInstance,
		HINSTANCE	hPrevInstance,
		LPSTR	lpszCmdLine,
		int	nCmdShow
	)

Definition at line 8 of file multiwin.c.

{
  WNDCLASS wc;
  MSG msg;
  HWND hWnd1;
  HWND hWnd2;
  HWND hWndChild;
 
  wc.lpszClassName = "MultiClass";
  wc.lpfnWndProc = MultiWndProc;
  wc.style = CS_VREDRAW | CS_HREDRAW;
  wc.hInstance = hInstance;
  wc.hIcon = LoadIcon(NULL, (LPCTSTR) IDI_APPLICATION);
  wc.hCursor = LoadCursor(NULL, (LPCTSTR) IDC_ARROW);
  wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
  wc.lpszMenuName = NULL;
  wc.cbClsExtra = 0;
  wc.cbWndExtra = 0;
  if (RegisterClass(&wc) == 0)
    {
      fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
          GetLastError());
      return(1);
    }
 
  hWnd1 = CreateWindow("MultiClass",
              "TopLevel1",
              WS_OVERLAPPEDWINDOW,
              0,
              0,
              320,
              240,
              NULL,
              NULL,
              hInstance,
              NULL);
 
  hWndChild = CreateWindow("MultiClass",
              "Child1 of TopLevel1",
              WS_CHILD | WS_BORDER | WS_CAPTION | WS_VISIBLE | WS_SYSMENU,
              20,
              120,
              200,
              200,
              hWnd1,
              NULL,
              hInstance,
              NULL);
 
  hWnd2 = CreateWindow("MultiClass",
              "TopLevel2",
              WS_OVERLAPPEDWINDOW,
              400,
              0,
              160,
              490,
              NULL,
              NULL,
              hInstance,
              NULL);
 
  if (! hWnd1 || ! hWnd2 || ! hWndChild)
    {
      fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
          GetLastError());
      return(1);
    }
  WindowCount = 2;
 
  ShowWindow(hWnd1, SW_NORMAL);
  ShowWindow(hWnd2, SW_NORMAL);
 
  while(GetMessage(&msg, NULL, 0, 0))
  {
    TranslateMessage(&msg);
    DispatchMessage(&msg);
  }
  return msg.wParam;
}

Variable Documentation

WindowCount

UINT WindowCount

static

Definition at line 4 of file multiwin.c.

Referenced by GuiConsoleInputThread(), MultiWndProc(), and WinMain().