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Windows 95 API Bible
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Windows 95 API Bible 3 Disc Set.iso
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Win32 API Bible Book 2 of 3
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CHAPTER3
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HITTEST.C
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C/C++ Source or Header
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1996-03-06
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8KB
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273 lines
#include <windows.h>
#include <commctrl.h>
#include "hittest.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 = "TTM_HITTEST";
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 );
}
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
static TOOLINFO ti;
static int index;
static HWND hToolTip = NULL;
switch( uMsg )
{
case WM_CREATE :
{
InitCommonControls();
// Create tool tip control.
//.........................
hToolTip = CreateWindowEx( 0,
TOOLTIPS_CLASS, NULL,
TTS_ALWAYSTIP,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
hWnd, NULL,
hInst, NULL );
// Add the tools to the tool tip control.
//.......................................
ti.cbSize = sizeof( TOOLINFO );
ti.hwnd = hWnd;
ti.hinst = hInst;
ti.uFlags = TTF_SUBCLASS;
for( index=0; index < 4; index++ )
{
ti.uId = index+1;
ti.lpszText = (LPTSTR)index+1;
ti.rect.top = 0;
ti.rect.bottom = 10;
ti.rect.left = 10*index;
ti.rect.right = 10*(index+1);
SendMessage( hToolTip, TTM_ADDTOOL, 0, (LPARAM)&ti );
}
}
break;
case WM_SIZE :
{
// Adjust the tool rectangles for the new
// section size.
//.......................................
RECT rect;
index = 0;
ti.cbSize = sizeof( TOOLINFO );
GetClientRect( hWnd, &rect );
while ( SendMessage( hToolTip, TTM_ENUMTOOLS,
index, (LPARAM)&ti ) )
{
ti.rect.top = 0;
ti.rect.bottom = HIWORD( lParam );
ti.rect.left = (rect.right/4)*index;
ti.rect.right = (rect.right/4)*(index+1);
SendMessage( hToolTip, TTM_SETTOOLINFO, index, (LPARAM)&ti );
index++;
}
}
break;
case WM_PAINT :
{
// Paint the vertical lines to denote the sections.
//.................................................
PAINTSTRUCT ps;
index = 0;
BeginPaint( hWnd, &ps );
while ( SendMessage( hToolTip, TTM_ENUMTOOLS,
index, (LPARAM)&ti ) )
{
MoveToEx( ps.hdc, ti.rect.right, ti.rect.top, NULL );
LineTo( ps.hdc, ti.rect.right, ti.rect.bottom );
index++;
}
EndPaint( hWnd, &ps );
}
break;
case WM_RBUTTONDOWN :
{
TTHITTESTINFO tthit;
tthit.hwnd = hWnd;
tthit.pt.x = LOWORD( lParam );
tthit.pt.y = HIWORD( lParam );
// Check what section was hit.
//............................
if ( SendMessage( hToolTip, TTM_HITTEST, 0, (LPARAM)&tthit ) )
{
char szMsg[64];
// Display a message about the section hit.
//.........................................
wsprintf( szMsg, "Section %d was hit.",
tthit.ti.uId );
MessageBox( hWnd, szMsg, lpszTitle,
MB_OK | MB_ICONINFORMATION );
}
}
break;
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
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);
}