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wine/dlls/user/dialog.c
Alexandre Julliard 172e731c0b Moved most files from the windows directory to dlls/user.
2005-04-25 11:33:34 +00:00

1897 lines
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/*
* Dialog functions
*
* Copyright 1993, 1994, 1996 Alexandre Julliard
*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "wine/winuser16.h"
#include "wine/unicode.h"
#include "controls.h"
#include "win.h"
#include "winpos.h"
#include "user_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dialog);
/* Dialog control information */
typedef struct
{
DWORD style;
DWORD exStyle;
DWORD helpId;
INT16 x;
INT16 y;
INT16 cx;
INT16 cy;
UINT id;
LPCWSTR className;
LPCWSTR windowName;
LPCVOID data;
} DLG_CONTROL_INFO;
/* Dialog template */
typedef struct
{
DWORD style;
DWORD exStyle;
DWORD helpId;
UINT16 nbItems;
INT16 x;
INT16 y;
INT16 cx;
INT16 cy;
LPCWSTR menuName;
LPCWSTR className;
LPCWSTR caption;
INT16 pointSize;
WORD weight;
BOOL italic;
LPCWSTR faceName;
BOOL dialogEx;
} DLG_TEMPLATE;
/* Radio button group */
typedef struct
{
UINT firstID;
UINT lastID;
UINT checkID;
} RADIOGROUP;
/*********************************************************************
* dialog class descriptor
*/
const struct builtin_class_descr DIALOG_builtin_class =
{
DIALOG_CLASS_ATOMA, /* name */
CS_SAVEBITS | CS_DBLCLKS, /* style */
DefDlgProcA, /* procA */
DefDlgProcW, /* procW */
DLGWINDOWEXTRA, /* extra */
IDC_ARROW, /* cursor */
0 /* brush */
};
/***********************************************************************
* DIALOG_EnableOwner
*
* Helper function for modal dialogs to enable again the
* owner of the dialog box.
*/
void DIALOG_EnableOwner( HWND hOwner )
{
/* Owner must be a top-level window */
if (hOwner)
hOwner = GetAncestor( hOwner, GA_ROOT );
if (!hOwner) return;
EnableWindow( hOwner, TRUE );
}
/***********************************************************************
* DIALOG_DisableOwner
*
* Helper function for modal dialogs to disable the
* owner of the dialog box. Returns TRUE if owner was enabled.
*/
BOOL DIALOG_DisableOwner( HWND hOwner )
{
/* Owner must be a top-level window */
if (hOwner)
hOwner = GetAncestor( hOwner, GA_ROOT );
if (!hOwner) return FALSE;
if (IsWindowEnabled( hOwner ))
{
EnableWindow( hOwner, FALSE );
return TRUE;
}
else
return FALSE;
}
/***********************************************************************
* DIALOG_GetCharSize
*
* Despite most of MSDN insisting that the horizontal base unit is
* tmAveCharWidth it isn't. Knowledge base article Q145994
* "HOWTO: Calculate Dialog Units When Not Using the System Font",
* says that we should take the average of the 52 English upper and lower
* case characters.
*/
BOOL DIALOG_GetCharSize( HDC hDC, HFONT hFont, SIZE * pSize )
{
HFONT hFontPrev = 0;
const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
SIZE sz;
TEXTMETRICA tm;
if(!hDC) return FALSE;
if(hFont) hFontPrev = SelectObject(hDC, hFont);
if(!GetTextMetricsA(hDC, &tm)) return FALSE;
if(!GetTextExtentPointA(hDC, alphabet, 52, &sz)) return FALSE;
pSize->cy = tm.tmHeight;
pSize->cx = (sz.cx / 26 + 1) / 2;
if (hFontPrev) SelectObject(hDC, hFontPrev);
TRACE("dlg base units: %ld x %ld\n", pSize->cx, pSize->cy);
return TRUE;
}
/***********************************************************************
* DIALOG_GetControl32
*
* Return the class and text of the control pointed to by ptr,
* fill the header structure and return a pointer to the next control.
*/
static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
BOOL dialogEx )
{
if (dialogEx)
{
info->helpId = GET_DWORD(p); p += 2;
info->exStyle = GET_DWORD(p); p += 2;
info->style = GET_DWORD(p); p += 2;
}
else
{
info->helpId = 0;
info->style = GET_DWORD(p); p += 2;
info->exStyle = GET_DWORD(p); p += 2;
}
info->x = GET_WORD(p); p++;
info->y = GET_WORD(p); p++;
info->cx = GET_WORD(p); p++;
info->cy = GET_WORD(p); p++;
if (dialogEx)
{
/* id is a DWORD for DIALOGEX */
info->id = GET_DWORD(p);
p += 2;
}
else
{
info->id = GET_WORD(p);
p++;
}
if (GET_WORD(p) == 0xffff)
{
static const WCHAR class_names[6][10] =
{
{ 'B','u','t','t','o','n', }, /* 0x80 */
{ 'E','d','i','t', }, /* 0x81 */
{ 'S','t','a','t','i','c', }, /* 0x82 */
{ 'L','i','s','t','B','o','x', }, /* 0x83 */
{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
};
WORD id = GET_WORD(p+1);
/* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
if (id <= 5)
info->className = class_names[id];
else
{
info->className = NULL;
ERR("Unknown built-in class id %04x\n", id );
}
p += 2;
}
else
{
info->className = (LPCWSTR)p;
p += strlenW( info->className ) + 1;
}
if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
{
info->windowName = (LPCWSTR)(UINT)GET_WORD(p + 1);
p += 2;
}
else
{
info->windowName = (LPCWSTR)p;
p += strlenW( info->windowName ) + 1;
}
TRACE(" %s %s %d, %d, %d, %d, %d, %08lx, %08lx, %08lx\n",
debugstr_w( info->className ), debugstr_w( info->windowName ),
info->id, info->x, info->y, info->cx, info->cy,
info->style, info->exStyle, info->helpId );
if (GET_WORD(p))
{
if (TRACE_ON(dialog))
{
WORD i, count = GET_WORD(p) / sizeof(WORD);
TRACE(" BEGIN\n");
TRACE(" ");
for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
TRACE("\n");
TRACE(" END\n" );
}
info->data = p + 1;
p += GET_WORD(p) / sizeof(WORD);
}
else info->data = NULL;
p++;
/* Next control is on dword boundary */
return (const WORD *)((((int)p) + 3) & ~3);
}
/***********************************************************************
* DIALOG_CreateControls32
*
* Create the control windows for a dialog.
*/
static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
HINSTANCE hInst, BOOL unicode )
{
DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
DLG_CONTROL_INFO info;
HWND hwndCtrl, hwndDefButton = 0;
INT items = dlgTemplate->nbItems;
TRACE(" BEGIN\n" );
while (items--)
{
template = (LPCSTR)DIALOG_GetControl32( (const WORD *)template, &info,
dlgTemplate->dialogEx );
/* Is this it? */
if (info.style & WS_BORDER)
{
info.style &= ~WS_BORDER;
info.exStyle |= WS_EX_CLIENTEDGE;
}
if (unicode)
{
hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
info.className, info.windowName,
info.style | WS_CHILD,
MulDiv(info.x, dlgInfo->xBaseUnit, 4),
MulDiv(info.y, dlgInfo->yBaseUnit, 8),
MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
hwnd, (HMENU)info.id,
hInst, (LPVOID)info.data );
}
else
{
LPSTR class = (LPSTR)info.className;
LPSTR caption = (LPSTR)info.windowName;
if (HIWORD(class))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
class = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, info.className, -1, class, len, NULL, NULL );
}
if (HIWORD(caption))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
caption = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption, len, NULL, NULL );
}
hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
class, caption, info.style | WS_CHILD,
MulDiv(info.x, dlgInfo->xBaseUnit, 4),
MulDiv(info.y, dlgInfo->yBaseUnit, 8),
MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
hwnd, (HMENU)info.id,
hInst, (LPVOID)info.data );
if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
}
if (!hwndCtrl)
{
if (dlgTemplate->style & DS_NOFAILCREATE) continue;
return FALSE;
}
/* Send initialisation messages to the control */
if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
(WPARAM)dlgInfo->hUserFont, 0 );
if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
{
/* If there's already a default push-button, set it back */
/* to normal and use this one instead. */
if (hwndDefButton)
SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
hwndDefButton = hwndCtrl;
dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
}
}
TRACE(" END\n" );
return TRUE;
}
/***********************************************************************
* DIALOG_ParseTemplate32
*
* Fill a DLG_TEMPLATE structure from the dialog template, and return
* a pointer to the first control.
*/
static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
{
const WORD *p = (const WORD *)template;
WORD signature;
WORD dlgver;
signature = GET_WORD(p); p++;
dlgver = GET_WORD(p); p++;
if (signature == 1 && dlgver == 0xffff) /* DIALOGEX resource */
{
result->dialogEx = TRUE;
result->helpId = GET_DWORD(p); p += 2;
result->exStyle = GET_DWORD(p); p += 2;
result->style = GET_DWORD(p); p += 2;
}
else
{
result->style = GET_DWORD(p - 2);
result->dialogEx = FALSE;
result->helpId = 0;
result->exStyle = GET_DWORD(p); p += 2;
}
result->nbItems = GET_WORD(p); p++;
result->x = GET_WORD(p); p++;
result->y = GET_WORD(p); p++;
result->cx = GET_WORD(p); p++;
result->cy = GET_WORD(p); p++;
TRACE("DIALOG%s %d, %d, %d, %d, %ld\n",
result->dialogEx ? "EX" : "", result->x, result->y,
result->cx, result->cy, result->helpId );
TRACE(" STYLE 0x%08lx\n", result->style );
TRACE(" EXSTYLE 0x%08lx\n", result->exStyle );
/* Get the menu name */
switch(GET_WORD(p))
{
case 0x0000:
result->menuName = NULL;
p++;
break;
case 0xffff:
result->menuName = (LPCWSTR)(UINT)GET_WORD( p + 1 );
p += 2;
TRACE(" MENU %04x\n", LOWORD(result->menuName) );
break;
default:
result->menuName = (LPCWSTR)p;
TRACE(" MENU %s\n", debugstr_w(result->menuName) );
p += strlenW( result->menuName ) + 1;
break;
}
/* Get the class name */
switch(GET_WORD(p))
{
case 0x0000:
result->className = DIALOG_CLASS_ATOMW;
p++;
break;
case 0xffff:
result->className = (LPCWSTR)(UINT)GET_WORD( p + 1 );
p += 2;
TRACE(" CLASS %04x\n", LOWORD(result->className) );
break;
default:
result->className = (LPCWSTR)p;
TRACE(" CLASS %s\n", debugstr_w( result->className ));
p += strlenW( result->className ) + 1;
break;
}
/* Get the window caption */
result->caption = (LPCWSTR)p;
p += strlenW( result->caption ) + 1;
TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
/* Get the font name */
if (result->style & DS_SETFONT)
{
result->pointSize = GET_WORD(p);
p++;
if (result->dialogEx)
{
result->weight = GET_WORD(p); p++;
result->italic = LOBYTE(GET_WORD(p)); p++;
}
else
{
result->weight = FW_DONTCARE;
result->italic = FALSE;
}
result->faceName = (LPCWSTR)p;
p += strlenW( result->faceName ) + 1;
TRACE(" FONT %d, %s, %d, %s\n",
result->pointSize, debugstr_w( result->faceName ),
result->weight, result->italic ? "TRUE" : "FALSE" );
}
/* First control is on dword boundary */
return (LPCSTR)((((int)p) + 3) & ~3);
}
/***********************************************************************
* DIALOG_CreateIndirect
* Creates a dialog box window
*
* modal = TRUE if we are called from a modal dialog box.
* (it's more compatible to do it here, as under Windows the owner
* is never disabled if the dialog fails because of an invalid template)
*/
static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
HWND owner, DLGPROC dlgProc, LPARAM param,
BOOL unicode, BOOL modal )
{
HWND hwnd;
RECT rect;
DLG_TEMPLATE template;
DIALOGINFO * dlgInfo = NULL;
DWORD units = GetDialogBaseUnits();
BOOL ownerEnabled = TRUE;
HMENU hMenu = 0;
HFONT hUserFont = 0;
UINT flags = 0;
UINT xBaseUnit = LOWORD(units);
UINT yBaseUnit = HIWORD(units);
/* Parse dialog template */
if (!dlgTemplate) return 0;
dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
/* Load menu */
if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
/* Create custom font if needed */
if (template.style & DS_SETFONT)
{
/* We convert the size to pixels and then make it -ve. This works
* for both +ve and -ve template.pointSize */
HDC dc;
int pixels;
dc = GetDC(0);
pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
PROOF_QUALITY, FF_DONTCARE,
template.faceName );
if (hUserFont)
{
SIZE charSize;
if (DIALOG_GetCharSize( dc, hUserFont, &charSize ))
{
xBaseUnit = charSize.cx;
yBaseUnit = charSize.cy;
}
}
ReleaseDC(0, dc);
TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
}
/* Create dialog main window */
rect.left = rect.top = 0;
rect.right = MulDiv(template.cx, xBaseUnit, 4);
rect.bottom = MulDiv(template.cy, yBaseUnit, 8);
if (template.style & WS_CHILD)
template.style &= ~(WS_CAPTION|WS_SYSMENU);
if (template.style & DS_MODALFRAME)
template.exStyle |= WS_EX_DLGMODALFRAME;
if (template.style & DS_CONTROL)
template.exStyle |= WS_EX_CONTROLPARENT;
AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
rect.right -= rect.left;
rect.bottom -= rect.top;
if (template.x == CW_USEDEFAULT16)
{
rect.left = rect.top = CW_USEDEFAULT;
}
else
{
if (template.style & DS_CENTER)
{
rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
}
else
{
rect.left += MulDiv(template.x, xBaseUnit, 4);
rect.top += MulDiv(template.y, yBaseUnit, 8);
}
if ( !(template.style & WS_CHILD) )
{
INT dX, dY;
if( !(template.style & DS_ABSALIGN) )
ClientToScreen( owner, (POINT *)&rect );
/* try to fit it into the desktop */
if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
if( rect.left < 0 ) rect.left = 0;
if( rect.top < 0 ) rect.top = 0;
}
}
if (modal)
{
ownerEnabled = DIALOG_DisableOwner( owner );
if (ownerEnabled) flags |= DF_OWNERENABLED;
}
if (unicode)
{
hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
template.style & ~WS_VISIBLE,
rect.left, rect.top, rect.right, rect.bottom,
owner, hMenu, hInst, NULL );
}
else
{
LPSTR class = (LPSTR)template.className;
LPSTR caption = (LPSTR)template.caption;
if (HIWORD(class))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
class = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, template.className, -1, class, len, NULL, NULL );
}
if (HIWORD(caption))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
caption = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption, len, NULL, NULL );
}
hwnd = CreateWindowExA(template.exStyle, class, caption,
template.style & ~WS_VISIBLE,
rect.left, rect.top, rect.right, rect.bottom,
owner, hMenu, hInst, NULL );
if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
}
if (!hwnd)
{
if (hUserFont) DeleteObject( hUserFont );
if (hMenu) DestroyMenu( hMenu );
if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
return 0;
}
/* moved this from the top of the method to here as DIALOGINFO structure
will be valid only after WM_CREATE message has been handled in DefDlgProc
All the members of the structure get filled here using temp variables */
dlgInfo = DIALOG_get_info( hwnd, TRUE );
dlgInfo->hwndFocus = 0;
dlgInfo->hUserFont = hUserFont;
dlgInfo->hMenu = hMenu;
dlgInfo->xBaseUnit = xBaseUnit;
dlgInfo->yBaseUnit = yBaseUnit;
dlgInfo->idResult = 0;
dlgInfo->flags = flags;
dlgInfo->hDialogHeap = 0;
if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
if (dlgInfo->hUserFont)
SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
/* Create controls */
if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
{
/* Send initialisation messages and set focus */
if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ) &&
((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
{
/* By returning TRUE, app has requested a default focus assignment */
dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
if( dlgInfo->hwndFocus )
SetFocus( dlgInfo->hwndFocus );
}
if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
{
ShowWindow( hwnd, SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
}
return hwnd;
}
if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
if( IsWindow(hwnd) ) DestroyWindow( hwnd );
return 0;
}
/***********************************************************************
* CreateDialogParamA (USER32.@)
*/
HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
DLGPROC dlgProc, LPARAM param )
{
HRSRC hrsrc;
LPCDLGTEMPLATEA ptr;
if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
}
/***********************************************************************
* CreateDialogParamW (USER32.@)
*/
HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
DLGPROC dlgProc, LPARAM param )
{
HRSRC hrsrc;
LPCDLGTEMPLATEA ptr;
if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
}
/***********************************************************************
* CreateDialogIndirectParamAorW (USER32.@)
*/
HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
HWND owner, DLGPROC dlgProc, LPARAM param,
DWORD flags )
{
return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
}
/***********************************************************************
* CreateDialogIndirectParamA (USER32.@)
*/
HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
}
/***********************************************************************
* CreateDialogIndirectParamW (USER32.@)
*/
HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
}
/***********************************************************************
* DIALOG_DoDialogBox
*/
INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
{
DIALOGINFO * dlgInfo;
MSG msg;
INT retval;
HWND ownerMsg = GetAncestor( owner, GA_ROOT );
BOOL bFirstEmpty;
if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
bFirstEmpty = TRUE;
if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
{
for (;;)
{
if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
{
if (bFirstEmpty)
{
/* ShowWindow the first time the queue goes empty */
ShowWindow( hwnd, SW_SHOWNORMAL );
bFirstEmpty = FALSE;
}
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
{
/* No message present -> send ENTERIDLE and wait */
SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
}
if (!GetMessageW( &msg, 0, 0, 0 )) break;
}
if (!IsWindow( hwnd )) return -1;
if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
{
TranslateMessage( &msg );
DispatchMessageW( &msg );
}
if (dlgInfo->flags & DF_END) break;
}
}
if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
retval = dlgInfo->idResult;
DestroyWindow( hwnd );
return retval;
}
/***********************************************************************
* DialogBoxParamA (USER32.@)
*/
INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
HWND hwnd;
HRSRC hrsrc;
LPCDLGTEMPLATEA ptr;
if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
return -1;
}
/***********************************************************************
* DialogBoxParamW (USER32.@)
*/
INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
HWND hwnd;
HRSRC hrsrc;
LPCDLGTEMPLATEW ptr;
if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
return -1;
}
/***********************************************************************
* DialogBoxIndirectParamAorW (USER32.@)
*/
INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
HWND owner, DLGPROC dlgProc,
LPARAM param, DWORD flags )
{
HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
return -1;
}
/***********************************************************************
* DialogBoxIndirectParamA (USER32.@)
*/
INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
}
/***********************************************************************
* DialogBoxIndirectParamW (USER32.@)
*/
INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
HWND owner, DLGPROC dlgProc, LPARAM param )
{
return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
}
/***********************************************************************
* EndDialog (USER32.@)
*/
BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
{
BOOL wasEnabled = TRUE;
DIALOGINFO * dlgInfo;
HWND owner;
TRACE("%p %d\n", hwnd, retval );
if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
{
ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
return FALSE;
}
dlgInfo->idResult = retval;
dlgInfo->flags |= DF_END;
wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
DIALOG_EnableOwner( owner );
/* Windows sets the focus to the dialog itself in EndDialog */
if (IsChild(hwnd, GetFocus()))
SetFocus( hwnd );
/* Don't have to send a ShowWindow(SW_HIDE), just do
SetWindowPos with SWP_HIDEWINDOW as done in Windows */
SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
| SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
/* unblock dialog loop */
PostMessageA(hwnd, WM_NULL, 0, 0);
return TRUE;
}
/***********************************************************************
* DIALOG_IsAccelerator
*/
static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
{
HWND hwndControl = hwnd;
HWND hwndNext;
INT dlgCode;
WCHAR buffer[128];
do
{
DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
{
dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
{
/* find the accelerator key */
LPWSTR p = buffer - 2;
do
{
p = strchrW( p + 2, '&' );
}
while (p != NULL && p[1] == '&');
/* and check if it's the one we're looking for */
if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
{
if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
{
/* set focus to the control */
SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
/* and bump it on to next */
SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
}
else if (dlgCode & DLGC_BUTTON)
{
/* send BM_CLICK message to the control */
SendMessageW( hwndControl, BM_CLICK, 0, 0 );
}
return TRUE;
}
}
hwndNext = GetWindow( hwndControl, GW_CHILD );
}
else hwndNext = 0;
if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
while (!hwndNext && hwndControl)
{
hwndControl = GetParent( hwndControl );
if (hwndControl == hwndDlg)
{
if(hwnd==hwndDlg) /* prevent endless loop */
{
hwndNext=hwnd;
break;
}
hwndNext = GetWindow( hwndDlg, GW_CHILD );
}
else
hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
}
hwndControl = hwndNext;
}
while (hwndControl && (hwndControl != hwnd));
return FALSE;
}
/***********************************************************************
* DIALOG_FindMsgDestination
*
* The messages that IsDialogMessage sends may not go to the dialog
* calling IsDialogMessage if that dialog is a child, and it has the
* DS_CONTROL style set.
* We propagate up until we hit one that does not have DS_CONTROL, or
* whose parent is not a dialog.
*
* This is undocumented behaviour.
*/
static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
{
while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
{
WND *pParent;
HWND hParent = GetParent(hwndDlg);
if (!hParent) break;
pParent = WIN_GetPtr(hParent);
if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
if (!(pParent->flags & WIN_ISDIALOG))
{
WIN_ReleasePtr(pParent);
break;
}
WIN_ReleasePtr(pParent);
hwndDlg = hParent;
}
return hwndDlg;
}
/***********************************************************************
* DIALOG_FixOneChildOnChangeFocus
*
* Callback helper for DIALOG_FixChildrenOnChangeFocus
*/
static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
LPARAM lParam)
{
/* If a default pushbutton then no longer default */
if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
return TRUE;
}
/***********************************************************************
* DIALOG_FixChildrenOnChangeFocus
*
* Following the change of focus that occurs for example after handling
* a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
* children may be required.
*/
static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
{
INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
/* INT dlgcode_dlg = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
/* Windows does ask for this. I don't know why yet */
EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
/* If the button that is getting the focus WAS flagged as the default
* pushbutton then ask the dialog what it thinks the default is and
* set that in the default style.
*/
if (dlgcode_next & DLGC_DEFPUSHBUTTON)
{
DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
if (HIWORD(def_id) == DC_HASDEFID)
{
HWND hwndDef;
def_id = LOWORD(def_id);
hwndDef = GetDlgItem (hwndDlg, def_id);
if (hwndDef)
{
INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
/* I know that if it is a button then it should already be a
* UNDEFPUSHBUTTON, since we have just told the buttons to
* change style. But maybe they ignored our request
*/
if ((dlgcode_def & DLGC_BUTTON) &&
(dlgcode_def & DLGC_UNDEFPUSHBUTTON))
{
SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
}
}
}
}
else
{
SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
/* I wonder why it doesn't send a DM_SETDEFID */
}
}
/***********************************************************************
* IsDialogMessageW (USER32.@)
*/
BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
{
INT dlgCode = 0;
if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
hwndDlg = WIN_GetFullHandle( hwndDlg );
if (hwndDlg == GetDesktopWindow()) return FALSE;
if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
switch(msg->message)
{
case WM_KEYDOWN:
dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
if (dlgCode & DLGC_WANTMESSAGE) break;
switch(msg->wParam)
{
case VK_TAB:
if (!(dlgCode & DLGC_WANTTAB))
{
BOOL fIsDialog = TRUE;
WND *pWnd = WIN_GetPtr( hwndDlg );
if (pWnd && pWnd != WND_OTHER_PROCESS)
{
fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
WIN_ReleasePtr(pWnd);
}
/* I am not sure under which circumstances the TAB is handled
* each way. All I do know is that it does not always simply
* send WM_NEXTDLGCTL. (Personally I have never yet seen it
* do so but I presume someone has)
*/
if (fIsDialog)
SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
else
{
/* It would appear that GetNextDlgTabItem can handle being
* passed hwndDlg rather than NULL but that is undocumented
* so let's do it properly
*/
HWND hwndFocus = GetFocus();
HWND hwndNext = GetNextDlgTabItem (hwndDlg,
hwndFocus == hwndDlg ? NULL : hwndFocus,
GetKeyState (VK_SHIFT) & 0x8000);
if (hwndNext)
{
dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
msg->wParam, (LPARAM)msg);
if (dlgCode & DLGC_HASSETSEL)
{
INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
if (buffer)
{
INT length;
SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
length = strlenW (buffer);
HeapFree (GetProcessHeap(), 0, buffer);
SendMessageW (hwndNext, EM_SETSEL, 0, length);
}
}
SetFocus (hwndNext);
DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
}
else
return FALSE;
}
return TRUE;
}
break;
case VK_RIGHT:
case VK_DOWN:
case VK_LEFT:
case VK_UP:
if (!(dlgCode & DLGC_WANTARROWS))
{
BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
return TRUE;
}
break;
case VK_CANCEL:
case VK_ESCAPE:
SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
return TRUE;
case VK_EXECUTE:
case VK_RETURN:
{
DWORD dw;
if ((GetFocus() == msg->hwnd) &&
(SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
{
SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
}
else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
{
SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
(LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
}
else
{
SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
}
}
return TRUE;
}
break;
case WM_CHAR:
/* FIXME Under what circumstances does WM_GETDLGCODE get sent?
* It does NOT get sent in the test program I have
*/
dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
/* drop through */
case WM_SYSCHAR:
if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
{
/* don't translate or dispatch */
return TRUE;
}
break;
}
TranslateMessage( msg );
DispatchMessageW( msg );
return TRUE;
}
/***********************************************************************
* GetDlgCtrlID (USER32.@)
*/
INT WINAPI GetDlgCtrlID( HWND hwnd )
{
return GetWindowLongPtrW( hwnd, GWLP_ID );
}
/***********************************************************************
* GetDlgItem (USER32.@)
*/
HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
{
int i;
HWND *list = WIN_ListChildren( hwndDlg );
HWND ret = 0;
if (!list) return 0;
for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
ret = list[i];
HeapFree( GetProcessHeap(), 0, list );
return ret;
}
/*******************************************************************
* SendDlgItemMessageA (USER32.@)
*/
LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
WPARAM wParam, LPARAM lParam )
{
HWND hwndCtrl = GetDlgItem( hwnd, id );
if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
else return 0;
}
/*******************************************************************
* SendDlgItemMessageW (USER32.@)
*/
LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
WPARAM wParam, LPARAM lParam )
{
HWND hwndCtrl = GetDlgItem( hwnd, id );
if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
else return 0;
}
/*******************************************************************
* SetDlgItemTextA (USER32.@)
*/
BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
{
return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
}
/*******************************************************************
* SetDlgItemTextW (USER32.@)
*/
BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
{
return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
}
/***********************************************************************
* GetDlgItemTextA (USER32.@)
*/
INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
{
return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
len, (LPARAM)str );
}
/***********************************************************************
* GetDlgItemTextW (USER32.@)
*/
INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
{
return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
len, (LPARAM)str );
}
/*******************************************************************
* SetDlgItemInt (USER32.@)
*/
BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
BOOL fSigned )
{
char str[20];
if (fSigned) sprintf( str, "%d", (INT)value );
else sprintf( str, "%u", value );
SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
return TRUE;
}
/***********************************************************************
* GetDlgItemInt (USER32.@)
*/
UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
BOOL fSigned )
{
char str[30];
char * endptr;
long result = 0;
if (translated) *translated = FALSE;
if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
return 0;
if (fSigned)
{
result = strtol( str, &endptr, 10 );
if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
return 0;
if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
return 0;
}
else
{
result = strtoul( str, &endptr, 10 );
if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
return 0;
if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
}
if (translated) *translated = TRUE;
return (UINT)result;
}
/***********************************************************************
* CheckDlgButton (USER32.@)
*/
BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
{
SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
return TRUE;
}
/***********************************************************************
* IsDlgButtonChecked (USER32.@)
*/
UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
{
return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
}
/***********************************************************************
* CheckRB
*
* Callback function used to check/uncheck radio buttons that fall
* within a specific range of IDs.
*/
static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
{
LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
if ((lChildID >= lpRadioGroup->firstID) &&
(lChildID <= lpRadioGroup->lastID))
{
if (lChildID == lpRadioGroup->checkID)
{
SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
}
else
{
SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
}
}
return TRUE;
}
/***********************************************************************
* CheckRadioButton (USER32.@)
*/
BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
UINT lastID, UINT checkID )
{
RADIOGROUP radioGroup;
radioGroup.firstID = firstID;
radioGroup.lastID = lastID;
radioGroup.checkID = checkID;
return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
(LPARAM)&radioGroup);
}
/***********************************************************************
* GetDialogBaseUnits (USER.243)
* GetDialogBaseUnits (USER32.@)
*/
DWORD WINAPI GetDialogBaseUnits(void)
{
static DWORD units;
if (!units)
{
HDC hdc;
SIZE size;
if ((hdc = GetDC(0)))
{
if (DIALOG_GetCharSize( hdc, 0, &size )) units = MAKELONG( size.cx, size.cy );
ReleaseDC( 0, hdc );
}
TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
}
return units;
}
/***********************************************************************
* MapDialogRect (USER32.@)
*/
BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
{
DIALOGINFO * dlgInfo;
if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
rect->left = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
rect->right = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
rect->top = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
return TRUE;
}
/***********************************************************************
* GetNextDlgGroupItem (USER32.@)
*
* Corrections to MSDN documentation
*
* (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
* 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
* 2. Prev of NULL or hwndDlg fails
*/
HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
{
HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
BOOL fLooped=FALSE;
BOOL fSkipping=FALSE;
hwndDlg = WIN_GetFullHandle( hwndDlg );
hwndCtrl = WIN_GetFullHandle( hwndCtrl );
if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
if (!hwndCtrl && fPrevious) return 0;
if (hwndCtrl)
{
if (!IsChild (hwndDlg, hwndCtrl)) return 0;
}
else
{
/* No ctrl specified -> start from the beginning */
if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
/* MSDN is wrong. fPrevious does not result in the last child */
/* Maybe that first one is valid. If so then we don't want to skip it*/
if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
{
return hwndCtrl;
}
}
/* Always go forward around the group and list of controls; for the
* previous control keep track; for the next break when you find one
*/
retvalue = hwndCtrl;
hwnd = hwndCtrl;
while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1)
{
while (!hwndNext)
{
/* Climb out until there is a next sibling of the ancestor or we
* reach the top (in which case we loop back to the start)
*/
if (hwndDlg == GetParent (hwnd))
{
/* Wrap around to the beginning of the list, within the same
* group. (Once only)
*/
if (fLooped) goto end;
fLooped = TRUE;
hwndNext = GetWindow (hwndDlg, GW_CHILD);
}
else
{
hwnd = GetParent (hwnd);
hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
}
}
hwnd = hwndNext;
/* Wander down the leading edge of controlparents */
while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
(hwndNext = GetWindow (hwnd, GW_CHILD)))
hwnd = hwndNext;
/* Question. If the control is a control parent but either has no
* children or is not visible/enabled then if it has a WS_GROUP does
* it count? For that matter does it count anyway?
* I believe it doesn't count.
*/
if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
{
hwndLastGroup = hwnd;
if (!fSkipping)
{
/* Look for the beginning of the group */
fSkipping = TRUE;
}
}
if (hwnd == hwndCtrl)
{
if (!fSkipping) break;
if (hwndLastGroup == hwnd) break;
hwnd = hwndLastGroup;
fSkipping = FALSE;
fLooped = FALSE;
}
if (!fSkipping &&
(GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
WS_VISIBLE)
{
retvalue = hwnd;
if (!fPrevious) break;
}
}
end:
return retvalue;
}
/***********************************************************************
* DIALOG_GetNextTabItem
*
* Recursive helper for GetNextDlgTabItem
*/
static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
{
LONG dsStyle;
LONG exStyle;
UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
HWND retWnd = 0;
HWND hChildFirst = 0;
if(!hwndCtrl)
{
hChildFirst = GetWindow(hwndDlg,GW_CHILD);
if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
}
else if (IsChild( hwndMain, hwndCtrl ))
{
hChildFirst = GetWindow(hwndCtrl,wndSearch);
if(!hChildFirst)
{
if(GetParent(hwndCtrl) != hwndMain)
/* i.e. if we are not at the top level of the recursion */
hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
else
hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
}
}
while(hChildFirst)
{
dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
{
HWND retWnd;
retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
if (retWnd) return (retWnd);
}
else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
{
return (hChildFirst);
}
hChildFirst = GetWindow(hChildFirst,wndSearch);
}
if(hwndCtrl)
{
HWND hParent = GetParent(hwndCtrl);
while(hParent)
{
if(hParent == hwndMain) break;
retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
if(retWnd) break;
hParent = GetParent(hParent);
}
if(!retWnd)
retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
}
return retWnd ? retWnd : hwndCtrl;
}
/***********************************************************************
* GetNextDlgTabItem (USER32.@)
*/
HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
BOOL fPrevious )
{
hwndDlg = WIN_GetFullHandle( hwndDlg );
hwndCtrl = WIN_GetFullHandle( hwndCtrl );
/* Undocumented but tested under Win2000 and WinME */
if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
/* Contrary to MSDN documentation, tested under Win2000 and WinME
* NB GetLastError returns whatever was set before the function was
* called.
*/
if (!hwndCtrl && fPrevious) return 0;
return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
}
/**********************************************************************
* DIALOG_DlgDirSelect
*
* Helper function for DlgDirSelect*
*/
static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
INT id, BOOL unicode, BOOL combo )
{
WCHAR *buffer, *ptr;
INT item, size;
BOOL ret;
HWND listbox = GetDlgItem( hwnd, id );
TRACE("%p '%s' %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
if (!listbox) return FALSE;
item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
if (item == LB_ERR) return FALSE;
size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, 0, 0 );
if (size == LB_ERR) return FALSE;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size+1 ))) return FALSE;
SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
if ((ret = (buffer[0] == '['))) /* drive or directory */
{
if (buffer[1] == '-') /* drive */
{
buffer[3] = ':';
buffer[4] = 0;
ptr = buffer + 2;
}
else
{
buffer[strlenW(buffer)-1] = '\\';
ptr = buffer + 1;
}
}
else ptr = buffer;
if (!unicode)
{
if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
((LPSTR)str)[len-1] = 0;
}
else lstrcpynW( str, ptr, len );
HeapFree( GetProcessHeap(), 0, buffer );
TRACE("Returning %d '%s'\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
return ret;
}
/**********************************************************************
* DIALOG_DlgDirListW
*
* Helper function for DlgDirList*W
*/
static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
INT idStatic, UINT attrib, BOOL combo )
{
HWND hwnd;
LPWSTR orig_spec = spec;
WCHAR any[] = {'*','.','*',0};
#define SENDMSG(msg,wparam,lparam) \
((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
: SendMessageW( hwnd, msg, wparam, lparam ))
TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
/* If the path exists and is a directory, chdir to it */
if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
else
{
WCHAR *p, *p2;
p = spec;
if ((p2 = strrchrW( p, '\\' ))) p = p2;
if ((p2 = strrchrW( p, '/' ))) p = p2;
if (p != spec)
{
WCHAR sep = *p;
*p = 0;
if (!SetCurrentDirectoryW( spec ))
{
*p = sep; /* Restore the original spec */
return FALSE;
}
spec = p + 1;
}
}
TRACE( "mask=%s\n", debugstr_w(spec) );
if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
{
SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
if (attrib & DDL_DIRECTORY)
{
if (!(attrib & DDL_EXCLUSIVE))
{
if (SENDMSG( combo ? CB_DIR : LB_DIR,
attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
(LPARAM)spec ) == LB_ERR)
return FALSE;
}
if (SENDMSG( combo ? CB_DIR : LB_DIR,
(attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
(LPARAM)any ) == LB_ERR)
return FALSE;
}
else
{
if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
(LPARAM)spec ) == LB_ERR)
return FALSE;
}
}
if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
{
WCHAR temp[MAX_PATH];
GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
CharLowerW( temp );
/* Can't use PostMessage() here, because the string is on the stack */
SetDlgItemTextW( hDlg, idStatic, temp );
}
if (orig_spec && (spec != orig_spec))
{
/* Update the original file spec */
WCHAR *p = spec;
while ((*orig_spec++ = *p++));
}
return TRUE;
#undef SENDMSG
}
/**********************************************************************
* DIALOG_DlgDirListA
*
* Helper function for DlgDirList*A
*/
static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
INT idStatic, UINT attrib, BOOL combo )
{
if (spec)
{
INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
HeapFree( GetProcessHeap(), 0, specW );
return ret;
}
return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
}
/**********************************************************************
* DlgDirSelectExA (USER32.@)
*/
BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
{
return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
}
/**********************************************************************
* DlgDirSelectExW (USER32.@)
*/
BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
{
return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
}
/**********************************************************************
* DlgDirSelectComboBoxExA (USER32.@)
*/
BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
INT id )
{
return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
}
/**********************************************************************
* DlgDirSelectComboBoxExW (USER32.@)
*/
BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
INT id)
{
return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
}
/**********************************************************************
* DlgDirListA (USER32.@)
*/
INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
INT idStatic, UINT attrib )
{
return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
}
/**********************************************************************
* DlgDirListW (USER32.@)
*/
INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
INT idStatic, UINT attrib )
{
return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
}
/**********************************************************************
* DlgDirListComboBoxA (USER32.@)
*/
INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
INT idStatic, UINT attrib )
{
return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
}
/**********************************************************************
* DlgDirListComboBoxW (USER32.@)
*/
INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
INT idStatic, UINT attrib )
{
return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );
}
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