2 * Icontitle window class.
4 * Copyright 1997 Alex Korobka
15 #include "wine/winuser16.h"
16 #include "wine/unicode.h"
20 static BOOL bMultiLineTitle
;
21 static HFONT hIconTitleFont
;
23 static LRESULT WINAPI
IconTitleWndProc( HWND hWnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
);
25 /*********************************************************************
26 * icon title class descriptor
28 const struct builtin_class_descr ICONTITLE_builtin_class
=
30 ICONTITLE_CLASS_ATOM
, /* name */
31 CS_GLOBALCLASS
, /* style */
32 NULL
, /* procA (winproc is Unicode only) */
33 IconTitleWndProc
, /* procW */
35 IDC_ARROWA
, /* cursor */
41 /***********************************************************************
44 HWND
ICONTITLE_Create( HWND owner
)
47 HINSTANCE instance
= GetWindowLongA( owner
, GWL_HINSTANCE
);
48 LONG style
= WS_CLIPSIBLINGS
;
50 if (!IsWindowEnabled(owner
)) style
|= WS_DISABLED
;
51 if( GetWindowLongA( owner
, GWL_STYLE
) & WS_CHILD
)
52 hWnd
= CreateWindowExA( 0, ICONTITLE_CLASS_ATOM
, NULL
,
53 style
| WS_CHILD
, 0, 0, 1, 1,
54 GetParent(owner
), 0, instance
, NULL
);
56 hWnd
= CreateWindowExA( 0, ICONTITLE_CLASS_ATOM
, NULL
,
58 owner
, 0, instance
, NULL
);
59 WIN_SetOwner( hWnd
, owner
); /* MDI depends on this */
60 SetWindowLongW( hWnd
, GWL_STYLE
,
61 GetWindowLongW( hWnd
, GWL_STYLE
) & ~(WS_CAPTION
| WS_BORDER
) );
65 /***********************************************************************
66 * ICONTITLE_SetTitlePos
68 static BOOL
ICONTITLE_SetTitlePos( HWND hwnd
, HWND owner
)
70 static WCHAR emptyTitleText
[] = {'<','.','.','.','>',0};
78 int length
= GetWindowTextW( owner
, str
, sizeof(str
)/sizeof(WCHAR
) );
80 while (length
&& str
[length
- 1] == ' ') /* remove trailing spaces */
85 strcpyW( str
, emptyTitleText
);
86 length
= strlenW( str
);
89 if (!(hDC
= GetDC( hwnd
))) return FALSE
;
91 hPrevFont
= SelectObject( hDC
, hIconTitleFont
);
93 SetRect( &rect
, 0, 0, GetSystemMetrics(SM_CXICONSPACING
) -
94 GetSystemMetrics(SM_CXBORDER
) * 2,
95 GetSystemMetrics(SM_CYBORDER
) * 2 );
97 DrawTextW( hDC
, str
, length
, &rect
, DT_CALCRECT
| DT_CENTER
| DT_NOPREFIX
| DT_WORDBREAK
|
98 (( bMultiLineTitle
) ? 0 : DT_SINGLELINE
) );
100 SelectObject( hDC
, hPrevFont
);
101 ReleaseDC( hwnd
, hDC
);
103 cx
= rect
.right
- rect
.left
+ 4 * GetSystemMetrics(SM_CXBORDER
);
104 cy
= rect
.bottom
- rect
.top
;
106 pt
.x
= (GetSystemMetrics(SM_CXICON
) - cx
) / 2;
107 pt
.y
= GetSystemMetrics(SM_CYICON
);
109 /* point is relative to owner, make it relative to parent */
110 MapWindowPoints( owner
, GetParent(hwnd
), &pt
, 1 );
112 SetWindowPos( hwnd
, owner
, pt
.x
, pt
.y
, cx
, cy
, SWP_NOACTIVATE
);
116 /***********************************************************************
119 static BOOL
ICONTITLE_Paint( HWND hwnd
, HWND owner
, HDC hDC
, BOOL bActive
)
124 COLORREF textColor
= 0;
128 hBrush
= GetSysColorBrush(COLOR_ACTIVECAPTION
);
129 textColor
= GetSysColor(COLOR_CAPTIONTEXT
);
133 if( GetWindowLongA( hwnd
, GWL_STYLE
) & WS_CHILD
)
135 hBrush
= (HBRUSH
) GetClassLongA(hwnd
, GCL_HBRBACKGROUND
);
140 GetObjectA( hBrush
, sizeof(logBrush
), &logBrush
);
141 level
= GetRValue(logBrush
.lbColor
) +
142 GetGValue(logBrush
.lbColor
) +
143 GetBValue(logBrush
.lbColor
);
144 if( level
< (0x7F * 3) )
145 textColor
= RGB( 0xFF, 0xFF, 0xFF );
148 hBrush
= GetStockObject( WHITE_BRUSH
);
152 hBrush
= GetStockObject( BLACK_BRUSH
);
153 textColor
= RGB( 0xFF, 0xFF, 0xFF );
157 GetClientRect( hwnd
, &rect
);
158 DPtoLP( hDC
, (LPPOINT
)&rect
, 2 );
159 FillRect( hDC
, &rect
, hBrush
);
161 hPrevFont
= SelectObject( hDC
, hIconTitleFont
);
166 INT length
= GetWindowTextW( owner
, buffer
, sizeof(buffer
) );
167 SetTextColor( hDC
, textColor
);
168 SetBkMode( hDC
, TRANSPARENT
);
170 DrawTextW( hDC
, buffer
, length
, &rect
, DT_CENTER
| DT_NOPREFIX
|
171 DT_WORDBREAK
| ((bMultiLineTitle
) ? 0 : DT_SINGLELINE
) );
173 SelectObject( hDC
, hPrevFont
);
175 return (hPrevFont
!= 0);
178 /***********************************************************************
181 LRESULT WINAPI
IconTitleWndProc( HWND hWnd
, UINT msg
,
182 WPARAM wParam
, LPARAM lParam
)
184 HWND owner
= GetWindow( hWnd
, GW_OWNER
);
186 if (!IsWindow(hWnd
)) return 0;
194 SystemParametersInfoA( SPI_GETICONTITLELOGFONT
, 0, &logFont
, 0 );
195 SystemParametersInfoA( SPI_GETICONTITLEWRAP
, 0, &bMultiLineTitle
, 0 );
196 hIconTitleFont
= CreateFontIndirectA( &logFont
);
198 return (hIconTitleFont
? 0 : -1);
202 case WM_NCLBUTTONDBLCLK
:
203 return SendMessageW( owner
, msg
, wParam
, lParam
);
205 if( wParam
) SetActiveWindow( owner
);
210 if (wParam
) ICONTITLE_SetTitlePos( hWnd
, owner
);
213 if( GetWindowLongA( owner
, GWL_STYLE
) & WS_CHILD
)
214 lParam
= SendMessageA( owner
, WM_ISACTIVEICON
, 0, 0 );
216 lParam
= (owner
== GetActiveWindow());
217 if( ICONTITLE_Paint( hWnd
, owner
, (HDC
)wParam
, (BOOL
)lParam
) )
218 ValidateRect( hWnd
, NULL
);
221 return DefWindowProcW( hWnd
, msg
, wParam
, lParam
);