wine/controls/icontitle.c
1999-03-14 17:25:32 +00:00

252 lines
6.4 KiB
C

/*
* Icontitle window class.
*
* Copyright 1997 Alex Korobka
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "winuser.h"
#include "wine/winuser16.h"
#include "sysmetrics.h"
#include "win.h"
#include "desktop.h"
#include "heap.h"
static LPCSTR emptyTitleText = "<...>";
BOOL bMultiLineTitle;
HFONT hIconTitleFont;
/***********************************************************************
* ICONTITLE_Init
*/
BOOL ICONTITLE_Init(void)
{
LOGFONTA logFont;
SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
SystemParametersInfoA( SPI_GETICONTITLEWRAP, 0, &bMultiLineTitle, 0 );
hIconTitleFont = CreateFontIndirectA( &logFont );
return (hIconTitleFont) ? TRUE : FALSE;
}
/***********************************************************************
* ICONTITLE_Create
*/
HWND ICONTITLE_Create( WND* wnd )
{
WND* wndPtr;
HWND hWnd;
if( wnd->dwStyle & WS_CHILD )
hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL,
WS_CHILD | WS_CLIPSIBLINGS, 0, 0, 1, 1,
wnd->parent->hwndSelf, 0, wnd->hInstance, NULL );
else
hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL,
WS_CLIPSIBLINGS, 0, 0, 1, 1,
wnd->hwndSelf, 0, wnd->hInstance, NULL );
wndPtr = WIN_FindWndPtr( hWnd );
if( wndPtr )
{
wndPtr->owner = wnd; /* MDI depends on this */
wndPtr->dwStyle &= ~(WS_CAPTION | WS_BORDER);
if( wnd->dwStyle & WS_DISABLED ) wndPtr->dwStyle |= WS_DISABLED;
WIN_ReleaseWndPtr(wndPtr);
return hWnd;
}
return 0;
}
/***********************************************************************
* ICONTITLE_GetTitlePos
*/
static BOOL ICONTITLE_GetTitlePos( WND* wnd, LPRECT lpRect )
{
LPSTR str;
int length = lstrlenA( wnd->owner->text );
if( length )
{
str = HeapAlloc( GetProcessHeap(), 0, length + 1 );
lstrcpyA( str, wnd->owner->text );
while( str[length - 1] == ' ' ) /* remove trailing spaces */
{
str[--length] = '\0';
if( !length )
{
HeapFree( GetProcessHeap(), 0, str );
break;
}
}
}
if( !length )
{
str = (LPSTR)emptyTitleText;
length = lstrlenA( str );
}
if( str )
{
HDC hDC = GetDC( wnd->hwndSelf );
if( hDC )
{
HFONT hPrevFont = SelectObject( hDC, hIconTitleFont );
SetRect( lpRect, 0, 0, sysMetrics[SM_CXICONSPACING] -
SYSMETRICS_CXBORDER * 2, SYSMETRICS_CYBORDER * 2 );
DrawTextA( hDC, str, length, lpRect, DT_CALCRECT |
DT_CENTER | DT_NOPREFIX | DT_WORDBREAK |
(( bMultiLineTitle ) ? 0 : DT_SINGLELINE) );
SelectObject( hDC, hPrevFont );
ReleaseDC( wnd->hwndSelf, hDC );
lpRect->right += 4 * SYSMETRICS_CXBORDER - lpRect->left;
lpRect->left = wnd->owner->rectWindow.left + SYSMETRICS_CXICON / 2 -
(lpRect->right - lpRect->left) / 2;
lpRect->bottom -= lpRect->top;
lpRect->top = wnd->owner->rectWindow.top + SYSMETRICS_CYICON;
}
if( str != emptyTitleText ) HeapFree( GetProcessHeap(), 0, str );
return ( hDC ) ? TRUE : FALSE;
}
return FALSE;
}
/***********************************************************************
* ICONTITLE_Paint
*/
static BOOL ICONTITLE_Paint( WND* wnd, HDC hDC, BOOL bActive )
{
HFONT hPrevFont;
HBRUSH hBrush = 0;
COLORREF textColor = 0;
if( bActive )
{
hBrush = GetSysColorBrush(COLOR_ACTIVECAPTION);
textColor = GetSysColor(COLOR_CAPTIONTEXT);
}
else
{
if( wnd->dwStyle & WS_CHILD )
{
hBrush = wnd->parent->class->hbrBackground;
if( hBrush )
{
INT level;
LOGBRUSH logBrush;
GetObjectA( hBrush, sizeof(logBrush), &logBrush );
level = GetRValue(logBrush.lbColor) +
GetGValue(logBrush.lbColor) +
GetBValue(logBrush.lbColor);
if( level < (0x7F * 3) )
textColor = RGB( 0xFF, 0xFF, 0xFF );
}
else
hBrush = GetStockObject( WHITE_BRUSH );
}
else
{
hBrush = GetStockObject( BLACK_BRUSH );
textColor = RGB( 0xFF, 0xFF, 0xFF );
}
}
FillWindow16( wnd->parent->hwndSelf, wnd->hwndSelf, hDC, hBrush );
hPrevFont = SelectObject( hDC, hIconTitleFont );
if( hPrevFont )
{
RECT rect;
INT length;
char buffer[80];
rect.left = rect.top = 0;
rect.right = wnd->rectWindow.right - wnd->rectWindow.left;
rect.bottom = wnd->rectWindow.bottom - wnd->rectWindow.top;
length = GetWindowTextA( wnd->owner->hwndSelf, buffer, 80 );
SetTextColor( hDC, textColor );
SetBkMode( hDC, TRANSPARENT );
DrawTextA( hDC, buffer, length, &rect, DT_CENTER | DT_NOPREFIX |
DT_WORDBREAK | ((bMultiLineTitle) ? 0 : DT_SINGLELINE) );
SelectObject( hDC, hPrevFont );
}
return ( hPrevFont ) ? TRUE : FALSE;
}
/***********************************************************************
* IconTitleWndProc
*/
LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg,
WPARAM wParam, LPARAM lParam )
{
LRESULT retvalue;
WND *wnd = WIN_FindWndPtr( hWnd );
switch( msg )
{
case WM_NCHITTEST:
retvalue = HTCAPTION;
goto END;
case WM_NCMOUSEMOVE:
case WM_NCLBUTTONDBLCLK:
retvalue = SendMessageA( wnd->owner->hwndSelf, msg, wParam, lParam );
goto END;
case WM_ACTIVATE:
if( wParam ) SetActiveWindow( wnd->owner->hwndSelf );
/* fall through */
case WM_CLOSE:
retvalue = 0;
goto END;
case WM_SHOWWINDOW:
if( wnd && wParam )
{
RECT titleRect;
ICONTITLE_GetTitlePos( wnd, &titleRect );
if( wnd->owner->next != wnd ) /* keep icon title behind the owner */
SetWindowPos( hWnd, wnd->owner->hwndSelf,
titleRect.left, titleRect.top,
titleRect.right, titleRect.bottom, SWP_NOACTIVATE );
else
SetWindowPos( hWnd, 0, titleRect.left, titleRect.top,
titleRect.right, titleRect.bottom,
SWP_NOACTIVATE | SWP_NOZORDER );
}
retvalue = 0;
goto END;
case WM_ERASEBKGND:
if( wnd )
{
WND* iconWnd = WIN_LockWndPtr(wnd->owner);
if( iconWnd->dwStyle & WS_CHILD )
lParam = SendMessageA( iconWnd->hwndSelf, WM_ISACTIVEICON, 0, 0 );
else
lParam = (iconWnd->hwndSelf == GetActiveWindow16());
WIN_ReleaseWndPtr(iconWnd);
if( ICONTITLE_Paint( wnd, (HDC)wParam, (BOOL)lParam ) )
ValidateRect( hWnd, NULL );
retvalue = 1;
goto END;
}
}
retvalue = DefWindowProcA( hWnd, msg, wParam, lParam );
END:
WIN_ReleaseWndPtr(wnd);
return retvalue;
}