7 static ATOM tip_class
= 0;
10 static COLORREF tip_bg
;
11 static COLORREF tip_text
;
13 static LRESULT CALLBACK
SizeTipWndProc(HWND hWnd
, UINT nMsg
,
14 WPARAM wParam
, LPARAM lParam
)
31 hdc
= BeginPaint(hWnd
, &ps
);
33 SelectObject(hdc
, tip_font
);
34 SelectObject(hdc
, GetStockObject(BLACK_PEN
));
36 hbr
= CreateSolidBrush(tip_bg
);
37 holdbr
= SelectObject(hdc
, hbr
);
39 GetClientRect(hWnd
, &cr
);
40 Rectangle(hdc
, cr
.left
, cr
.top
, cr
.right
, cr
.bottom
);
42 wtlen
= GetWindowTextLength(hWnd
);
43 wt
= (LPTSTR
) snewn(wtlen
+ 1, TCHAR
);
44 GetWindowText(hWnd
, wt
, wtlen
+ 1);
46 SetTextColor(hdc
, tip_text
);
47 SetBkColor(hdc
, tip_bg
);
49 TextOut(hdc
, cr
.left
+ 3, cr
.top
+ 3, wt
, wtlen
);
53 SelectObject(hdc
, holdbr
);
64 DeleteObject(tip_font
);
70 LPCTSTR str
= (LPCTSTR
) lParam
;
72 HDC hdc
= CreateCompatibleDC(NULL
);
74 SelectObject(hdc
, tip_font
);
75 GetTextExtentPoint32(hdc
, str
, _tcslen(str
), &sz
);
77 SetWindowPos(hWnd
, NULL
, 0, 0, sz
.cx
+ 6, sz
.cy
+ 6,
78 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
79 InvalidateRect(hWnd
, NULL
, FALSE
);
86 return DefWindowProc(hWnd
, nMsg
, wParam
, lParam
);
89 static HWND tip_wnd
= NULL
;
90 static int tip_enabled
= 0;
92 void UpdateSizeTip(HWND src
, int cx
, int cy
)
100 NONCLIENTMETRICS nci
;
102 /* First make sure the window class is registered */
106 wc
.style
= CS_HREDRAW
| CS_VREDRAW
;
107 wc
.lpfnWndProc
= SizeTipWndProc
;
110 wc
.hInstance
= hinst
;
113 wc
.hbrBackground
= NULL
;
114 wc
.lpszMenuName
= NULL
;
115 wc
.lpszClassName
= "SizeTipClass";
117 tip_class
= RegisterClass(&wc
);
120 /* Default values based on Windows Standard color scheme */
122 tip_font
= GetStockObject(SYSTEM_FONT
);
123 tip_bg
= RGB(255, 255, 225);
124 tip_text
= RGB(0, 0, 0);
127 /* Prepare other GDI objects and drawing info */
129 tip_bg
= GetSysColor(COLOR_INFOBK
);
130 tip_text
= GetSysColor(COLOR_INFOTEXT
);
132 memset(&nci
, 0, sizeof(NONCLIENTMETRICS
));
133 nci
.cbSize
= sizeof(NONCLIENTMETRICS
);
134 SystemParametersInfo(SPI_GETNONCLIENTMETRICS
,
135 sizeof(NONCLIENTMETRICS
), &nci
, 0);
136 tip_font
= CreateFontIndirect(&nci
.lfStatusFont
);
139 /* Generate the tip text */
141 sprintf(str
, "%dx%d", cx
, cy
);
149 /* calculate the tip's size */
151 hdc
= CreateCompatibleDC(NULL
);
152 GetTextExtentPoint32(hdc
, str
, _tcslen(str
), &sz
);
155 GetWindowRect(src
, &wr
);
165 /* Create the tip window */
168 CreateWindowEx(WS_EX_TOOLWINDOW
| WS_EX_TOPMOST
,
169 MAKEINTRESOURCE(tip_class
), str
, WS_POPUP
, ix
,
170 iy
, sz
.cx
, sz
.cy
, NULL
, NULL
, hinst
, NULL
);
172 ShowWindow(tip_wnd
, SW_SHOWNOACTIVATE
);
176 /* Tip already exists, just set the text */
178 SetWindowText(tip_wnd
, str
);
182 void EnableSizeTip(int bEnable
)
184 if (tip_wnd
&& !bEnable
) {
185 DestroyWindow(tip_wnd
);
189 tip_enabled
= bEnable
;