icontitle.c File Reference

#include <user32.h>

Include dependency graph for icontitle.c:

Go to the source code of this file.

Functions
static BOOL	ICONTITLE_SetTitlePos (HWND hwnd, HWND owner)
static BOOL	ICONTITLE_Paint (HWND hwnd, HWND owner, HDC hDC, BOOL bActive)
static LRESULT WINAPI	IconTitleWndProc_common (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
LRESULT WINAPI	IconTitleWndProcA (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
LRESULT WINAPI	IconTitleWndProcW (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)

Variables
static BOOL	bMultiLineTitle
static HFONT	hIconTitleFont

Function Documentation

ICONTITLE_Paint()

static BOOL ICONTITLE_Paint ( HWND  hwnd, HWND  owner, HDC  hDC, BOOL  bActive  )

static

Definition at line 95 of file icontitle.c.

{
    RECT rect;
    HFONT hPrevFont;
    HBRUSH hBrush;
    COLORREF textColor = 0;
 
    if( bActive )
    {
    hBrush = GetSysColorBrush(COLOR_ACTIVECAPTION);
    textColor = GetSysColor(COLOR_CAPTIONTEXT);
    }
    else
    {
        if( GetWindowLongPtrA( hwnd, GWL_STYLE ) & WS_CHILD )
    {
        hBrush = (HBRUSH) GetClassLongPtrW(hwnd, GCLP_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 );
    }
    }
 
    GetClientRect( hwnd, &rect );
    DPtoLP( hDC, (LPPOINT)&rect, 2 );
    FillRect( hDC, &rect, hBrush );
 
    hPrevFont = SelectObject( hDC, hIconTitleFont );
    if( hPrevFont )
    {
    WCHAR buffer[80];
 
        INT length = GetWindowTextW( owner, buffer, ARRAY_SIZE( buffer ));
        SetTextColor( hDC, textColor );
        SetBkMode( hDC, TRANSPARENT );
 
        DrawTextW( hDC, buffer, length, &rect, DT_CENTER | DT_NOPREFIX |
                   DT_WORDBREAK | ((bMultiLineTitle) ? 0 : DT_SINGLELINE) );
 
    SelectObject( hDC, hPrevFont );
    }
    return (hPrevFont != 0);
}

Referenced by IconTitleWndProc_common().

ICONTITLE_SetTitlePos()

static BOOL ICONTITLE_SetTitlePos ( HWND  hwnd, HWND  owner  )

static

Definition at line 45 of file icontitle.c.

{
    WCHAR str[80];
    HDC hDC;
    HFONT hPrevFont;
    RECT rect;
    INT cx, cy;
    POINT pt;
 
    int length = GetWindowTextW( owner, str, ARRAY_SIZE( str ));
 
    while (length && str[length - 1] == ' ') /* remove trailing spaces */
        str[--length] = 0;
 
    if( !length )
    {
        lstrcpyW( str, L"<...>" );
        length = lstrlenW( str );
    }
 
    if (!(hDC = NtUserGetDC( hwnd ))) return FALSE;
 
    hPrevFont = SelectObject( hDC, hIconTitleFont );
 
    SetRect( &rect, 0, 0, GetSystemMetrics(SM_CXICONSPACING) -
             GetSystemMetrics(SM_CXBORDER) * 2,
             GetSystemMetrics(SM_CYBORDER) * 2 );
 
    DrawTextW( hDC, str, length, &rect, DT_CALCRECT | DT_CENTER | DT_NOPREFIX | DT_WORDBREAK |
               (( bMultiLineTitle ) ? 0 : DT_SINGLELINE) );
 
    SelectObject( hDC, hPrevFont );
    NtUserReleaseDC( hwnd, hDC );
 
    cx = rect.right - rect.left +  4 * GetSystemMetrics(SM_CXBORDER);
    cy = rect.bottom - rect.top;
 
    pt.x = (GetSystemMetrics(SM_CXICON) - cx) / 2;
    pt.y = GetSystemMetrics(SM_CYICON);
 
    /* point is relative to owner, make it relative to parent */
    MapWindowPoints( owner, GetParent(hwnd), &pt, 1 );
 
    NtUserSetWindowPos( hwnd, owner, pt.x, pt.y, cx, cy, SWP_NOACTIVATE );
    return TRUE;
}

Referenced by IconTitleWndProc_common().

IconTitleWndProc_common()

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

static

Definition at line 157 of file icontitle.c.

{
    HWND owner = GetWindow( hWnd, GW_OWNER );
 
    if (!IsWindow(hWnd)) return 0;
 
    switch( msg )
    {
        case WM_CREATE:
            if (!hIconTitleFont)
            {
                LOGFONTA logFont;
                SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
                SystemParametersInfoA( SPI_GETICONTITLEWRAP, 0, &bMultiLineTitle, 0 );
                hIconTitleFont = CreateFontIndirectA( &logFont );
            }
            return (hIconTitleFont ? 0 : -1);
    case WM_NCHITTEST:
         return HTCAPTION;
    case WM_NCMOUSEMOVE:
    case WM_NCLBUTTONDBLCLK:
         return SendMessageW( owner, msg, wParam, lParam );
    case WM_ACTIVATE:
         if (wParam) NtUserSetActiveWindow( owner );
             return 0;
    case WM_CLOSE:
         return 0;
    case WM_SHOWWINDOW:
             if (wParam) ICONTITLE_SetTitlePos( hWnd, owner );
         return 0;
    case WM_ERASEBKGND:
            if( GetWindowLongPtrW( owner, GWL_STYLE ) & WS_CHILD )
                lParam = SendMessageW( owner, WM_ISACTIVEICON, 0, 0 );
            else
                lParam = (owner == GetActiveWindow());
            if( ICONTITLE_Paint( hWnd, owner, (HDC)wParam, (BOOL)lParam ) )
                NtUserValidateRect( hWnd, NULL );
            return 1;
    }
    return 0;
}

Referenced by IconTitleWndProcA(), and IconTitleWndProcW().

IconTitleWndProcA()

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

Definition at line 203 of file icontitle.c.

{
    switch (msg)
    {
    case WM_CREATE:
    case WM_NCHITTEST:
    case WM_NCMOUSEMOVE:
    case WM_NCLBUTTONDBLCLK:
    case WM_ACTIVATE:
    case WM_CLOSE:
    case WM_SHOWWINDOW:
    case WM_ERASEBKGND:
        return IconTitleWndProc_common( hWnd, msg, wParam, lParam );
    }
    return DefWindowProcA( hWnd, msg, wParam, lParam );
}

Referenced by RegisterClientPFN().

IconTitleWndProcW()

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

Definition at line 224 of file icontitle.c.

{
    switch (msg)
    {
    case WM_CREATE:
    case WM_NCHITTEST:
    case WM_NCMOUSEMOVE:
    case WM_NCLBUTTONDBLCLK:
    case WM_ACTIVATE:
    case WM_CLOSE:
    case WM_SHOWWINDOW:
    case WM_ERASEBKGND:
        return IconTitleWndProc_common( hWnd, msg, wParam, lParam );
    }
    return DefWindowProcW( hWnd, msg, wParam, lParam );
}

Referenced by RegisterClientPFN().

Variable Documentation

bMultiLineTitle

BOOL bMultiLineTitle

static

Definition at line 23 of file icontitle.c.

Referenced by ICONTITLE_Paint(), ICONTITLE_SetTitlePos(), and IconTitleWndProc_common().

hIconTitleFont

HFONT hIconTitleFont

static

Definition at line 24 of file icontitle.c.

Referenced by ICONTITLE_Paint(), ICONTITLE_SetTitlePos(), and IconTitleWndProc_common().