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wine/dlls/user/static.c
Kieran Clancy 925a38d9ad Fix vertical text alignment in static controls.
2005-11-18 15:04:25 +00:00

662 lines
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/*
* Static control
*
* Copyright David W. Metcalfe, 1993
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* NOTES
*
* This code was audited for completeness against the documented features
* of Comctl32.dll version 6.0 on Oct. 4, 2004, by Dimitrie O. Paun.
*
* Unless otherwise noted, we believe this code to be complete, as per
* the specification mentioned above.
* If you discover missing features, or bugs, please note them below.
*
* TODO:
*
* Styles
* - SS_EDITCONTROL
* - SS_ENDELLIPSIS
* - SS_ENHMETAFILE
* - SS_PATHELLIPSIS
* - SS_REALSIZECONTROL
* - SS_REALSIZEIMAGE
* - SS_RIGHTJUST
* - SS_WORDELLIPSIS
*
* Notifications
* - STN_DISABLE
* - STN_ENABLE
*
* Messages
* - STM_SETIMAGE: IMAGE_CURSOR, IMAGE_ENHMETAFILE
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "controls.h"
#include "user_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(static);
static void STATIC_PaintOwnerDrawfn( HWND hwnd, HDC hdc, DWORD style );
static void STATIC_PaintTextfn( HWND hwnd, HDC hdc, DWORD style );
static void STATIC_PaintRectfn( HWND hwnd, HDC hdc, DWORD style );
static void STATIC_PaintIconfn( HWND hwnd, HDC hdc, DWORD style );
static void STATIC_PaintBitmapfn( HWND hwnd, HDC hdc, DWORD style );
static void STATIC_PaintEtchedfn( HWND hwnd, HDC hdc, DWORD style );
static LRESULT WINAPI StaticWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
static LRESULT WINAPI StaticWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
static COLORREF color_3dshadow, color_3ddkshadow, color_3dhighlight;
/* offsets for GetWindowLong for static private information */
#define HFONT_GWL_OFFSET 0
#define HICON_GWL_OFFSET (sizeof(HFONT))
#define STATIC_EXTRA_BYTES (HICON_GWL_OFFSET + sizeof(HICON))
typedef void (*pfPaint)( HWND hwnd, HDC hdc, DWORD style );
static pfPaint staticPaintFunc[SS_TYPEMASK+1] =
{
STATIC_PaintTextfn, /* SS_LEFT */
STATIC_PaintTextfn, /* SS_CENTER */
STATIC_PaintTextfn, /* SS_RIGHT */
STATIC_PaintIconfn, /* SS_ICON */
STATIC_PaintRectfn, /* SS_BLACKRECT */
STATIC_PaintRectfn, /* SS_GRAYRECT */
STATIC_PaintRectfn, /* SS_WHITERECT */
STATIC_PaintRectfn, /* SS_BLACKFRAME */
STATIC_PaintRectfn, /* SS_GRAYFRAME */
STATIC_PaintRectfn, /* SS_WHITEFRAME */
NULL, /* SS_USERITEM */
STATIC_PaintTextfn, /* SS_SIMPLE */
STATIC_PaintTextfn, /* SS_LEFTNOWORDWRAP */
STATIC_PaintOwnerDrawfn, /* SS_OWNERDRAW */
STATIC_PaintBitmapfn, /* SS_BITMAP */
NULL, /* SS_ENHMETAFILE */
STATIC_PaintEtchedfn, /* SS_ETCHEDHORZ */
STATIC_PaintEtchedfn, /* SS_ETCHEDVERT */
STATIC_PaintEtchedfn, /* SS_ETCHEDFRAME */
};
/*********************************************************************
* static class descriptor
*/
const struct builtin_class_descr STATIC_builtin_class =
{
"Static", /* name */
CS_DBLCLKS | CS_PARENTDC, /* style */
StaticWndProcA, /* procA */
StaticWndProcW, /* procW */
STATIC_EXTRA_BYTES, /* extra */
IDC_ARROW, /* cursor */
0 /* brush */
};
/***********************************************************************
* STATIC_SetIcon
*
* Set the icon for an SS_ICON control.
*/
static HICON STATIC_SetIcon( HWND hwnd, HICON hicon, DWORD style )
{
HICON prevIcon;
CURSORICONINFO *info = hicon?(CURSORICONINFO *) GlobalLock16(HICON_16(hicon)):NULL;
if ((style & SS_TYPEMASK) != SS_ICON) return 0;
if (hicon && !info) {
ERR("huh? hicon!=0, but info=0???\n");
return 0;
}
prevIcon = (HICON)SetWindowLongPtrW( hwnd, HICON_GWL_OFFSET, (LONG_PTR)hicon );
if (hicon && !(style & SS_CENTERIMAGE))
{
SetWindowPos( hwnd, 0, 0, 0, info->nWidth, info->nHeight,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
GlobalUnlock16(HICON_16(hicon));
}
return prevIcon;
}
/***********************************************************************
* STATIC_SetBitmap
*
* Set the bitmap for an SS_BITMAP control.
*/
static HBITMAP STATIC_SetBitmap( HWND hwnd, HBITMAP hBitmap, DWORD style )
{
HBITMAP hOldBitmap;
if ((style & SS_TYPEMASK) != SS_BITMAP) return 0;
if (hBitmap && GetObjectType(hBitmap) != OBJ_BITMAP) {
ERR("huh? hBitmap!=0, but not bitmap\n");
return 0;
}
hOldBitmap = (HBITMAP)SetWindowLongPtrW( hwnd, HICON_GWL_OFFSET, (LONG_PTR)hBitmap );
if (hBitmap && !(style & SS_CENTERIMAGE))
{
BITMAP bm;
GetObjectW(hBitmap, sizeof(bm), &bm);
SetWindowPos( hwnd, 0, 0, 0, bm.bmWidth, bm.bmHeight,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
}
return hOldBitmap;
}
/***********************************************************************
* STATIC_LoadIconA
*
* Load the icon for an SS_ICON control.
*/
static HICON STATIC_LoadIconA( HWND hwnd, LPCSTR name )
{
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
HICON hicon = LoadIconA( hInstance, name );
if (!hicon) hicon = LoadIconA( 0, name );
return hicon;
}
/***********************************************************************
* STATIC_LoadIconW
*
* Load the icon for an SS_ICON control.
*/
static HICON STATIC_LoadIconW( HWND hwnd, LPCWSTR name )
{
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
HICON hicon = LoadIconW( hInstance, name );
if (!hicon) hicon = LoadIconW( 0, name );
return hicon;
}
/***********************************************************************
* STATIC_LoadBitmapA
*
* Load the bitmap for an SS_BITMAP control.
*/
static HBITMAP STATIC_LoadBitmapA( HWND hwnd, LPCSTR name )
{
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
HBITMAP hbitmap = LoadBitmapA( hInstance, name );
if (!hbitmap) /* Try OEM icon (FIXME: is this right?) */
hbitmap = LoadBitmapA( 0, name );
return hbitmap;
}
/***********************************************************************
* STATIC_LoadBitmapW
*
* Load the bitmap for an SS_BITMAP control.
*/
static HBITMAP STATIC_LoadBitmapW( HWND hwnd, LPCWSTR name )
{
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
HBITMAP hbitmap = LoadBitmapW( hInstance, name );
if (!hbitmap) /* Try OEM icon (FIXME: is this right?) */
hbitmap = LoadBitmapW( 0, name );
return hbitmap;
}
/***********************************************************************
* STATIC_TryPaintFcn
*
* Try to immediately paint the control.
*/
static VOID STATIC_TryPaintFcn(HWND hwnd, LONG full_style)
{
LONG style = full_style & SS_TYPEMASK;
RECT rc;
GetClientRect( hwnd, &rc );
if (!IsRectEmpty(&rc) && IsWindowVisible(hwnd) && staticPaintFunc[style])
{
HDC hdc;
hdc = GetDC( hwnd );
(staticPaintFunc[style])( hwnd, hdc, full_style );
ReleaseDC( hwnd, hdc );
}
}
static VOID STATIC_InitColours(void)
{
color_3ddkshadow = GetSysColor(COLOR_3DDKSHADOW);
color_3dshadow = GetSysColor(COLOR_3DSHADOW);
color_3dhighlight = GetSysColor(COLOR_3DHIGHLIGHT);
}
/***********************************************************************
* StaticWndProc_common
*/
static LRESULT StaticWndProc_common( HWND hwnd, UINT uMsg, WPARAM wParam,
LPARAM lParam, BOOL unicode )
{
LRESULT lResult = 0;
LONG full_style = GetWindowLongW( hwnd, GWL_STYLE );
LONG style = full_style & SS_TYPEMASK;
switch (uMsg)
{
case WM_CREATE:
if (style < 0L || style > SS_TYPEMASK)
{
ERR("Unknown style 0x%02lx\n", style );
return -1;
}
STATIC_InitColours();
break;
case WM_NCDESTROY:
if (style == SS_ICON) {
/*
* FIXME
* DestroyIcon32( STATIC_SetIcon( wndPtr, 0 ) );
*
* We don't want to do this yet because DestroyIcon32 is broken. If the icon
* had already been loaded by the application the last thing we want to do is
* GlobalFree16 the handle.
*/
break;
}
else return unicode ? DefWindowProcW(hwnd, uMsg, wParam, lParam) :
DefWindowProcA(hwnd, uMsg, wParam, lParam);
case WM_PRINTCLIENT:
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = wParam ? (HDC)wParam : BeginPaint(hwnd, &ps);
if (staticPaintFunc[style])
(staticPaintFunc[style])( hwnd, hdc, full_style );
if (!wParam) EndPaint(hwnd, &ps);
}
break;
case WM_ENABLE:
InvalidateRect(hwnd, NULL, TRUE);
break;
case WM_SYSCOLORCHANGE:
STATIC_InitColours();
InvalidateRect(hwnd, NULL, TRUE);
break;
case WM_NCCREATE:
if (full_style & SS_SUNKEN)
SetWindowLongW( hwnd, GWL_EXSTYLE,
GetWindowLongW( hwnd, GWL_EXSTYLE ) | WS_EX_STATICEDGE );
if(unicode)
lParam = (LPARAM)(((LPCREATESTRUCTW)lParam)->lpszName);
else
lParam = (LPARAM)(((LPCREATESTRUCTA)lParam)->lpszName);
/* fall through */
case WM_SETTEXT:
switch (style) {
case SS_ICON:
{
HICON hIcon;
if(unicode)
hIcon = STATIC_LoadIconW(hwnd, (LPCWSTR)lParam);
else
hIcon = STATIC_LoadIconA(hwnd, (LPCSTR)lParam);
/* FIXME : should we also return the previous hIcon here ??? */
STATIC_SetIcon(hwnd, hIcon, full_style);
break;
}
case SS_BITMAP:
{
HBITMAP hBitmap;
if(unicode)
hBitmap = STATIC_LoadBitmapW(hwnd, (LPCWSTR)lParam);
else
hBitmap = STATIC_LoadBitmapA(hwnd, (LPCSTR)lParam);
STATIC_SetBitmap(hwnd, hBitmap, full_style);
break;
}
case SS_LEFT:
case SS_CENTER:
case SS_RIGHT:
case SS_SIMPLE:
case SS_LEFTNOWORDWRAP:
{
if (HIWORD(lParam))
{
if(unicode)
lResult = DefWindowProcW( hwnd, WM_SETTEXT, wParam, lParam );
else
lResult = DefWindowProcA( hwnd, WM_SETTEXT, wParam, lParam );
}
if (uMsg == WM_SETTEXT)
STATIC_TryPaintFcn( hwnd, full_style );
break;
}
default:
if (HIWORD(lParam))
{
if(unicode)
lResult = DefWindowProcW( hwnd, WM_SETTEXT, wParam, lParam );
else
lResult = DefWindowProcA( hwnd, WM_SETTEXT, wParam, lParam );
}
if(uMsg == WM_SETTEXT)
InvalidateRect(hwnd, NULL, TRUE);
}
return 1; /* success. FIXME: check text length */
case WM_SETFONT:
if ((style == SS_ICON) || (style == SS_BITMAP)) return 0;
SetWindowLongPtrW( hwnd, HFONT_GWL_OFFSET, wParam );
if (LOWORD(lParam))
InvalidateRect( hwnd, NULL, TRUE );
break;
case WM_GETFONT:
return GetWindowLongPtrW( hwnd, HFONT_GWL_OFFSET );
case WM_NCHITTEST:
if (full_style & SS_NOTIFY)
return HTCLIENT;
else
return HTTRANSPARENT;
case WM_GETDLGCODE:
return DLGC_STATIC;
case WM_LBUTTONDOWN:
case WM_NCLBUTTONDOWN:
if (full_style & SS_NOTIFY)
SendMessageW( GetParent(hwnd), WM_COMMAND,
MAKEWPARAM( GetWindowLongPtrW(hwnd,GWLP_ID), STN_CLICKED ), (LPARAM)hwnd);
return 0;
case WM_LBUTTONDBLCLK:
case WM_NCLBUTTONDBLCLK:
if (full_style & SS_NOTIFY)
SendMessageW( GetParent(hwnd), WM_COMMAND,
MAKEWPARAM( GetWindowLongPtrW(hwnd,GWLP_ID), STN_DBLCLK ), (LPARAM)hwnd);
return 0;
case STM_GETIMAGE:
case STM_GETICON16:
case STM_GETICON:
return GetWindowLongPtrW( hwnd, HICON_GWL_OFFSET );
case STM_SETIMAGE:
switch(wParam) {
case IMAGE_BITMAP:
lResult = (LRESULT)STATIC_SetBitmap( hwnd, (HBITMAP)lParam, full_style );
break;
case IMAGE_CURSOR:
FIXME("STM_SETIMAGE: Unhandled type IMAGE_CURSOR\n");
break;
case IMAGE_ENHMETAFILE:
FIXME("STM_SETIMAGE: Unhandled type IMAGE_ENHMETAFILE\n");
break;
case IMAGE_ICON:
lResult = (LRESULT)STATIC_SetIcon( hwnd, (HICON)lParam, full_style );
break;
default:
FIXME("STM_SETIMAGE: Unhandled type %x\n", wParam);
break;
}
InvalidateRect( hwnd, NULL, TRUE );
break;
case STM_SETICON16:
case STM_SETICON:
lResult = (LRESULT)STATIC_SetIcon( hwnd, (HICON)wParam, full_style );
InvalidateRect( hwnd, NULL, TRUE );
break;
default:
return unicode ? DefWindowProcW(hwnd, uMsg, wParam, lParam) :
DefWindowProcA(hwnd, uMsg, wParam, lParam);
}
return lResult;
}
/***********************************************************************
* StaticWndProcA
*/
static LRESULT WINAPI StaticWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
if (!IsWindow( hWnd )) return 0;
return StaticWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
}
/***********************************************************************
* StaticWndProcW
*/
static LRESULT WINAPI StaticWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
if (!IsWindow( hWnd )) return 0;
return StaticWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
}
static void STATIC_PaintOwnerDrawfn( HWND hwnd, HDC hdc, DWORD style )
{
DRAWITEMSTRUCT dis;
UINT id = (UINT)GetWindowLongPtrW( hwnd, GWLP_ID );
dis.CtlType = ODT_STATIC;
dis.CtlID = id;
dis.itemID = 0;
dis.itemAction = ODA_DRAWENTIRE;
dis.itemState = 0;
dis.hwndItem = hwnd;
dis.hDC = hdc;
dis.itemData = 0;
GetClientRect( hwnd, &dis.rcItem );
SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC, (WPARAM)hdc, (LPARAM)hwnd );
SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
}
static void STATIC_PaintTextfn( HWND hwnd, HDC hdc, DWORD style )
{
RECT rc;
HBRUSH hBrush;
HFONT hFont;
WORD wFormat;
INT len;
WCHAR *text;
GetClientRect( hwnd, &rc);
switch (style & SS_TYPEMASK)
{
case SS_LEFT:
wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK;
break;
case SS_CENTER:
wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK;
break;
case SS_RIGHT:
wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK;
break;
case SS_SIMPLE:
wFormat = DT_LEFT | DT_SINGLELINE;
break;
case SS_LEFTNOWORDWRAP:
wFormat = DT_LEFT | DT_EXPANDTABS;
break;
default:
return;
}
if (style & SS_NOPREFIX)
wFormat |= DT_NOPREFIX;
if ((style & SS_CENTERIMAGE) && (style & SS_TYPEMASK) != SS_SIMPLE)
wFormat |= DT_SINGLELINE | DT_VCENTER;
if ((hFont = (HFONT)GetWindowLongPtrW( hwnd, HFONT_GWL_OFFSET ))) SelectObject( hdc, hFont );
if ((style & SS_NOPREFIX) || ((style & SS_TYPEMASK) != SS_SIMPLE))
{
hBrush = (HBRUSH)SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)hwnd );
if (!hBrush) /* did the app forget to call defwindowproc ? */
hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)hwnd);
FillRect( hdc, &rc, hBrush );
}
if (!IsWindowEnabled(hwnd)) SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT));
if (!(len = SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 ))) return;
if (!(text = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return;
SendMessageW( hwnd, WM_GETTEXT, len + 1, (LPARAM)text );
DrawTextW( hdc, text, -1, &rc, wFormat );
HeapFree( GetProcessHeap(), 0, text );
}
static void STATIC_PaintRectfn( HWND hwnd, HDC hdc, DWORD style )
{
RECT rc;
HBRUSH hBrush;
GetClientRect( hwnd, &rc);
switch (style & SS_TYPEMASK)
{
case SS_BLACKRECT:
hBrush = CreateSolidBrush(color_3ddkshadow);
FillRect( hdc, &rc, hBrush );
break;
case SS_GRAYRECT:
hBrush = CreateSolidBrush(color_3dshadow);
FillRect( hdc, &rc, hBrush );
break;
case SS_WHITERECT:
hBrush = CreateSolidBrush(color_3dhighlight);
FillRect( hdc, &rc, hBrush );
break;
case SS_BLACKFRAME:
hBrush = CreateSolidBrush(color_3ddkshadow);
FrameRect( hdc, &rc, hBrush );
break;
case SS_GRAYFRAME:
hBrush = CreateSolidBrush(color_3dshadow);
FrameRect( hdc, &rc, hBrush );
break;
case SS_WHITEFRAME:
hBrush = CreateSolidBrush(color_3dhighlight);
FrameRect( hdc, &rc, hBrush );
break;
default:
return;
}
DeleteObject( hBrush );
}
static void STATIC_PaintIconfn( HWND hwnd, HDC hdc, DWORD style )
{
RECT rc;
HBRUSH hbrush;
HICON hIcon;
INT x, y;
GetClientRect( hwnd, &rc );
hbrush = (HBRUSH)SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)hwnd );
FillRect( hdc, &rc, hbrush );
hIcon = (HICON)GetWindowLongPtrW( hwnd, HICON_GWL_OFFSET );
if (style & SS_CENTERIMAGE)
{
CURSORICONINFO *info = hIcon ? (CURSORICONINFO *)GlobalLock16(HICON_16(hIcon)) : NULL;
x = (rc.right - rc.left)/2 - (info ? info->nWidth/2 : 0);
y = (rc.bottom - rc.top)/2 - (info ? info->nHeight/2 : 0);
}
else
{
x = rc.left;
y = rc.top;
}
if (hIcon)
DrawIcon( hdc, x, y, hIcon );
}
static void STATIC_PaintBitmapfn(HWND hwnd, HDC hdc, DWORD style )
{
HDC hMemDC;
HBITMAP hBitmap, oldbitmap;
/* message is still sent, even if the returned brush is not used */
SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC,
(WPARAM)hdc, (LPARAM)hwnd );
if ((hBitmap = (HBITMAP)GetWindowLongPtrW( hwnd, HICON_GWL_OFFSET )))
{
INT x, y;
BITMAP bm;
if(GetObjectType(hBitmap) != OBJ_BITMAP) return;
if (!(hMemDC = CreateCompatibleDC( hdc ))) return;
GetObjectW(hBitmap, sizeof(bm), &bm);
oldbitmap = SelectObject(hMemDC, hBitmap);
if (style & SS_CENTERIMAGE)
{
RECT rcClient;
GetClientRect(hwnd, &rcClient);
x = (rcClient.right - rcClient.left)/2 - bm.bmWidth/2;
y = (rcClient.bottom - rcClient.top)/2 - bm.bmHeight/2;
}
else
{
x = 0;
y = 0;
}
BitBlt(hdc, x, y, bm.bmWidth, bm.bmHeight, hMemDC, 0, 0,
SRCCOPY);
SelectObject(hMemDC, oldbitmap);
DeleteDC(hMemDC);
}
}
static void STATIC_PaintEtchedfn( HWND hwnd, HDC hdc, DWORD style )
{
RECT rc;
GetClientRect( hwnd, &rc );
switch (style & SS_TYPEMASK)
{
case SS_ETCHEDHORZ:
DrawEdge(hdc,&rc,EDGE_ETCHED,BF_TOP|BF_BOTTOM);
break;
case SS_ETCHEDVERT:
DrawEdge(hdc,&rc,EDGE_ETCHED,BF_LEFT|BF_RIGHT);
break;
case SS_ETCHEDFRAME:
DrawEdge (hdc, &rc, EDGE_ETCHED, BF_RECT);
break;
}
}
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