home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Windows 95 API Bible
/
Windows 95 API Bible 3 Disc Set.iso
/
Win32 API Bible Book 2 of 3.iso
/
chapter2
/
chooseco.c
next >
Wrap
C/C++ Source or Header
|
1996-03-06
|
7KB
|
216 lines
#include <windows.h>
#include "chooseco.h"
#if defined (WIN32)
#define IS_WIN32 TRUE
#else
#define IS_WIN32 FALSE
#endif
#define IS_NT IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
#define IS_WIN32S IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
#define IS_WIN95 (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
HINSTANCE hInst; // current instance
LPCTSTR lpszAppName = "MyApp";
LPCTSTR lpszTitle = "ChooseColor()";
BOOL RegisterWin95( CONST WNDCLASS* lpwc );
int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
HWND hWnd;
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon (hInstance, lpszAppName);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = lpszAppName;
wc.lpszClassName = lpszAppName;
if ( IS_WIN95 )
{
if ( !RegisterWin95( &wc ) )
return( FALSE );
}
else if ( !RegisterClass( &wc ) )
return( FALSE );
hInst = hInstance;
hWnd = CreateWindow( lpszAppName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0,
CW_USEDEFAULT, 0,
NULL,
NULL,
hInstance,
NULL
);
if ( !hWnd )
return( FALSE );
ShowWindow( hWnd, nCmdShow );
UpdateWindow( hWnd );
while( GetMessage( &msg, NULL, 0, 0) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
return( msg.wParam );
}
BOOL RegisterWin95( CONST WNDCLASS* lpwc )
{
WNDCLASSEX wcex;
wcex.style = lpwc->style;
wcex.lpfnWndProc = lpwc->lpfnWndProc;
wcex.cbClsExtra = lpwc->cbClsExtra;
wcex.cbWndExtra = lpwc->cbWndExtra;
wcex.hInstance = lpwc->hInstance;
wcex.hIcon = lpwc->hIcon;
wcex.hCursor = lpwc->hCursor;
wcex.hbrBackground = lpwc->hbrBackground;
wcex.lpszMenuName = lpwc->lpszMenuName;
wcex.lpszClassName = lpwc->lpszClassName;
// Added elements for Windows 95.
//...............................
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName,
IMAGE_ICON, 16, 16,
LR_DEFAULTCOLOR );
return RegisterClassEx( &wcex );
}
#define CUSTCOLORS 16
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
static DWORD dwCustColors[CUSTCOLORS];
static DWORD dwColor = 0;
switch( uMsg )
{
case WM_CREATE :
// Default the colors to white.
//.............................
memset( dwCustColors, 255, sizeof( DWORD )*CUSTCOLORS );
break;
case WM_PAINT :
{
PAINTSTRUCT ps;
HBRUSH hBrush;
RECT rect;
// Get the client rect and create a brush.
//........................................
GetClientRect( hWnd, &rect );
hBrush = CreateSolidBrush( dwColor );
// Paint the client area of the window.
//.....................................
BeginPaint( hWnd, &ps );
FillRect( ps.hdc, &rect, hBrush );
EndPaint( hWnd, &ps );
// Delete the brush.
//..................
DeleteObject( hBrush );
}
break;
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_TEST :
{
CHOOSECOLOR cc;
// Initialize the CHOOSECOLOR structure.
//......................................
memset( &cc, 0, sizeof( CHOOSECOLOR ) );
cc.lStructSize = sizeof( CHOOSECOLOR );
cc.hwndOwner = hWnd;
cc.lpCustColors = dwCustColors;
cc.rgbResult = dwColor;
cc.Flags = CC_RGBINIT;
// Create the choose color dialog.
//................................
if ( ChooseColor( &cc ) )
{
// If the user chooses a color,
// set the selected color as the new color.
//.........................................
dwColor = cc.rgbResult;
InvalidateRect( hWnd, NULL, TRUE );
}
}
break;
case IDM_ABOUT :
DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
LRESULT CALLBACK About( HWND hDlg,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return (TRUE);
case WM_COMMAND:
if ( LOWORD(wParam) == IDOK
|| LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, TRUE);
return (TRUE);
}
break;
}
return (FALSE);
}