icontitle.c File Reference

#include <user32.h>

Include dependency graph for icontitle.c:

Go to the source code of this file.

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

Variables
static BOOL	bMultiLineTitle
static HFONT	hIconTitleFont
const struct builtin_class_descr	ICONTITLE_builtin_class

Function Documentation

ICONTITLE_Create()

HWND ICONTITLE_Create

(

HWND

owner

)

Definition at line 46 of file icontitle.c.

{
    HWND hWnd;
    HINSTANCE instance = (HINSTANCE)GetWindowLongPtrA( owner, GWLP_HINSTANCE );
    LONG style = WS_CLIPSIBLINGS;
 
    if (!IsWindowEnabled(owner)) style |= WS_DISABLED;
    if( GetWindowLongPtrA( owner, GWL_STYLE ) & WS_CHILD )
    hWnd = CreateWindowExA( 0, (LPCSTR)ICONTITLE_CLASS_ATOM, NULL,
                                style | WS_CHILD, 0, 0, 1, 1,
                                GetParent(owner), 0, instance, NULL );
    else
    hWnd = CreateWindowExA( 0, (LPCSTR)ICONTITLE_CLASS_ATOM, NULL,
                                style, 0, 0, 1, 1,
                                owner, 0, instance, NULL );
    WIN_SetOwner( hWnd, owner );  /* MDI depends on this */
    SetWindowLongPtrW( hWnd, GWL_STYLE,
                       GetWindowLongPtrW( hWnd, GWL_STYLE ) & ~(WS_CAPTION | WS_BORDER) );
    return hWnd;
}

ICONTITLE_Paint()

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

static

Definition at line 122 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, sizeof(buffer)/sizeof(buffer[0]) );
        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().

ICONTITLE_SetTitlePos()

static BOOL ICONTITLE_SetTitlePos ( HWND  hwnd, HWND  owner  )

static

Definition at line 71 of file icontitle.c.

{
    static const WCHAR emptyTitleText[] = {'<','.','.','.','>',0};
    WCHAR str[80];
    HDC hDC;
    HFONT hPrevFont;
    RECT rect;
    INT cx, cy;
    POINT pt;
 
    int length = GetWindowTextW( owner, str, sizeof(str)/sizeof(WCHAR) );
 
    while (length && str[length - 1] == ' ') /* remove trailing spaces */
        str[--length] = 0;
 
    if( !length )
    {
        strcpyW( str, emptyTitleText );
        length = strlenW( str );
    }
 
    if (!(hDC = GetDC( 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 );
    ReleaseDC( 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 );
 
    SetWindowPos( hwnd, owner, pt.x, pt.y, cx, cy, SWP_NOACTIVATE );
    return TRUE;
}

Referenced by IconTitleWndProc().

IconTitleWndProc()

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

Definition at line 184 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 ) SetActiveWindow( 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 ) )
                ValidateRect( hWnd, NULL );
            return 1;
    }
    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().

hIconTitleFont

HFONT hIconTitleFont

static

Definition at line 24 of file icontitle.c.

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

ICONTITLE_builtin_class

const struct builtin_class_descr ICONTITLE_builtin_class

Initial value:

=
{
    WC_ICONTITLE,     
    0,                
    NULL,             
    IconTitleWndProc, 
    0,                
    IDC_ARROW,        
    0                 
}

Definition at line 29 of file icontitle.c.