reactos/lib/msi/dialog.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Mike McCormack for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winnls.h"
  29 #include "wingdi.h"
  30 #include "msi.h"
  31 #include "msipriv.h"
  32 #include "msidefs.h"
  33 #include "ocidl.h"
  34 #include "olectl.h"
  35 #include "richedit.h"
  36
  37 #include "wine/debug.h"
  38 #include "wine/unicode.h"
  39
  40 #include "action.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  43
  44
  45 struct msi_control_tag;
  46 typedef struct msi_control_tag msi_control;
  47 typedef UINT (*msi_handler)( msi_dialog *, msi_control *, WPARAM );
  48
  49 struct msi_control_tag
  50 {
  51     struct msi_control_tag *next;
  52     HWND hwnd;
  53     msi_handler handler;
  54     LPWSTR property;
  55     LPWSTR value;
  56     HBITMAP hBitmap;
  57     HICON hIcon;
  58     LPWSTR tabnext;
  59     WCHAR name[1];
  60 };
  61
  62 typedef struct msi_font_tag
  63 {
  64     struct msi_font_tag *next;
  65     HFONT hfont;
  66     WCHAR name[1];
  67 } msi_font;
  68
  69 struct msi_dialog_tag
  70 {
  71     MSIPACKAGE *package;
  72     msi_dialog_event_handler event_handler;
  73     BOOL finished;
  74     INT scale;
  75     DWORD attributes;
  76     HWND hwnd;
  77     LPWSTR default_font;
  78     msi_font *font_list;
  79     msi_control *control_list;
  80     HWND hWndFocus;
  81     WCHAR name[1];
  82 };
  83
  84 typedef UINT (*msi_dialog_control_func)( msi_dialog *dialog, MSIRECORD *rec );
  85 struct control_handler
  86 {
  87     LPCWSTR control_type;
  88     msi_dialog_control_func func;
  89 };
  90
  91 typedef struct
  92 {
  93     msi_dialog* dialog;
  94     msi_control *parent;
  95     DWORD       attributes;
  96 } radio_button_group_descr;
  97
  98 const WCHAR szMsiDialogClass[] = {
  99     'M','s','i','D','i','a','l','o','g','C','l','o','s','e','C','l','a','s','s',0
 100 };
 101 const WCHAR szMsiHiddenWindow[] = {
 102     'M','s','i','H','i','d','d','e','n','W','i','n','d','o','w',0 };
 103 const static WCHAR szStatic[] = { 'S','t','a','t','i','c',0 };
 104 const static WCHAR szButton[] = { 'B','U','T','T','O','N', 0 };
 105 const static WCHAR szButtonData[] = { 'M','S','I','D','A','T','A',0 };
 106 static const WCHAR szText[] = { 'T','e','x','t',0 };
 107 static const WCHAR szPushButton[] = { 'P','u','s','h','B','u','t','t','o','n',0 };
 108 static const WCHAR szLine[] = { 'L','i','n','e',0 };
 109 static const WCHAR szBitmap[] = { 'B','i','t','m','a','p',0 };
 110 static const WCHAR szCheckBox[] = { 'C','h','e','c','k','B','o','x',0 };
 111 static const WCHAR szScrollableText[] = {
 112     'S','c','r','o','l','l','a','b','l','e','T','e','x','t',0 };
 113 static const WCHAR szComboBox[] = { 'C','o','m','b','o','B','o','x',0 };
 114 static const WCHAR szEdit[] = { 'E','d','i','t',0 };
 115 static const WCHAR szMaskedEdit[] = { 'M','a','s','k','e','d','E','d','i','t',0 };
 116 static const WCHAR szPathEdit[] = { 'P','a','t','h','E','d','i','t',0 };
 117 static const WCHAR szRadioButtonGroup[] = {
 118     'R','a','d','i','o','B','u','t','t','o','n','G','r','o','u','p',0 };
 119 static const WCHAR szIcon[] = { 'I','c','o','n',0 };
 120
 121 static UINT msi_dialog_checkbox_handler( msi_dialog *, msi_control *, WPARAM );
 122 static void msi_dialog_checkbox_sync_state( msi_dialog *, msi_control * );
 123 static UINT msi_dialog_button_handler( msi_dialog *, msi_control *, WPARAM );
 124 static UINT msi_dialog_edit_handler( msi_dialog *, msi_control *, WPARAM );
 125 static UINT msi_dialog_radiogroup_handler( msi_dialog *, msi_control *, WPARAM param );
 126 static UINT msi_dialog_evaluate_control_conditions( msi_dialog *dialog );
 127 static LRESULT WINAPI MSIRadioGroup_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 128
 129
 130 /* dialog sequencing */
 131
 132 #define WM_MSI_DIALOG_CREATE  (WM_USER+0x100)
 133 #define WM_MSI_DIALOG_DESTROY (WM_USER+0x101)
 134
 135 static DWORD uiThreadId;
 136 static HWND hMsiHiddenWindow;
 137 static HMODULE hRichedit;
 138
 139 static INT msi_dialog_scale_unit( msi_dialog *dialog, INT val )
 140 {
 141     return (dialog->scale * val + 5) / 10;
 142 }
 143
 144 static msi_control *msi_dialog_find_control( msi_dialog *dialog, LPCWSTR name )
 145 {
 146     msi_control *control;
 147
 148     if( !name )
 149         return NULL;
 150     for( control = dialog->control_list; control; control = control->next )
 151         if( !strcmpW( control->name, name ) ) /* FIXME: case sensitive? */
 152             break;
 153     return control;
 154 }
 155
 156 static msi_control *msi_dialog_find_control_by_hwnd( msi_dialog *dialog, HWND hwnd )
 157 {
 158     msi_control *control;
 159
 160     for( control = dialog->control_list; control; control = control->next )
 161         if( hwnd == control->hwnd )
 162             break;
 163     return control;
 164 }
 165
 166 /*
 167  * msi_dialog_get_style
 168  *
 169  * Extract the {\style} string from the front of the text to display and
 170  *  update the pointer.
 171  */
 172 static LPWSTR msi_dialog_get_style( LPCWSTR *text )
 173 {
 174     LPWSTR ret = NULL;
 175     LPCWSTR p = *text, q;
 176     DWORD len;
 177
 178     if( *p++ != '{' )
 179         return ret;
 180     q = strchrW( p, '}' );
 181     if( !q )
 182         return ret;
 183     *text = ++q;
 184     if( *p++ != '\\' )
 185         return ret;
 186     len = q - p;
 187
 188     ret = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 189     if( !ret )
 190         return ret;
 191     memcpy( ret, p, len*sizeof(WCHAR) );
 192     ret[len-1] = 0;
 193     return ret;
 194 }
 195
 196 static UINT msi_dialog_add_font( MSIRECORD *rec, LPVOID param )
 197 {
 198     msi_dialog *dialog = param;
 199     msi_font *font;
 200     LPCWSTR face, name;
 201     LOGFONTW lf;
 202     INT style;
 203     HDC hdc;
 204
 205     /* create a font and add it to the list */
 206     name = MSI_RecordGetString( rec, 1 );
 207     font = HeapAlloc( GetProcessHeap(), 0,
 208                       sizeof *font + strlenW( name )*sizeof (WCHAR) );
 209     strcpyW( font->name, name );
 210     font->next = dialog->font_list;
 211     dialog->font_list = font;
 212
 213     memset( &lf, 0, sizeof lf );
 214     face = MSI_RecordGetString( rec, 2 );
 215     lf.lfHeight = MSI_RecordGetInteger( rec, 3 );
 216     style = MSI_RecordGetInteger( rec, 5 );
 217     if( style & msidbTextStyleStyleBitsBold )
 218         lf.lfWeight = FW_BOLD;
 219     if( style & msidbTextStyleStyleBitsItalic )
 220         lf.lfItalic = TRUE;
 221     if( style & msidbTextStyleStyleBitsUnderline )
 222         lf.lfUnderline = TRUE;
 223     if( style & msidbTextStyleStyleBitsStrike )
 224         lf.lfStrikeOut = TRUE;
 225     lstrcpynW( lf.lfFaceName, face, LF_FACESIZE );
 226
 227     /* adjust the height */
 228     hdc = GetDC( dialog->hwnd );
 229     if (hdc)
 230     {
 231         lf.lfHeight = -MulDiv(lf.lfHeight, GetDeviceCaps(hdc, LOGPIXELSY), 72);
 232         ReleaseDC( dialog->hwnd, hdc );
 233     }
 234
 235     font->hfont = CreateFontIndirectW( &lf );
 236
 237     TRACE("Adding font style %s\n", debugstr_w(font->name) );
 238
 239     return ERROR_SUCCESS;
 240 }
 241
 242 static msi_font *msi_dialog_find_font( msi_dialog *dialog, LPCWSTR name )
 243 {
 244     msi_font *font;
 245
 246     for( font = dialog->font_list; font; font = font->next )
 247         if( !strcmpW( font->name, name ) )  /* FIXME: case sensitive? */
 248             break;
 249
 250     return font;
 251 }
 252
 253 static UINT msi_dialog_set_font( msi_dialog *dialog, HWND hwnd, LPCWSTR name )
 254 {
 255     msi_font *font;
 256
 257     font = msi_dialog_find_font( dialog, name );
 258     if( font )
 259         SendMessageW( hwnd, WM_SETFONT, (WPARAM) font->hfont, TRUE );
 260     else
 261         ERR("No font entry for %s\n", debugstr_w(name));
 262     return ERROR_SUCCESS;
 263 }
 264
 265 static UINT msi_dialog_build_font_list( msi_dialog *dialog )
 266 {
 267     static const WCHAR query[] = {
 268       'S','E','L','E','C','T',' ','*',' ',
 269       'F','R','O','M',' ','`','T','e','x','t','S','t','y','l','e','`',' ',0
 270     };
 271     UINT r;
 272     MSIQUERY *view = NULL;
 273
 274     TRACE("dialog %p\n", dialog );
 275
 276     r = MSI_OpenQuery( dialog->package->db, &view, query );
 277     if( r != ERROR_SUCCESS )
 278         return r;
 279
 280     r = MSI_IterateRecords( view, NULL, msi_dialog_add_font, dialog );
 281     msiobj_release( &view->hdr );
 282
 283     return r;
 284 }
 285
 286 static msi_control *msi_dialog_create_window( msi_dialog *dialog,
 287                 MSIRECORD *rec, LPCWSTR szCls, LPCWSTR name, LPCWSTR text,
 288                 DWORD style, HWND parent )
 289 {
 290     DWORD x, y, width, height;
 291     LPWSTR font = NULL, title = NULL;
 292     msi_control *control;
 293
 294     style |= WS_CHILD;
 295
 296     control = HeapAlloc( GetProcessHeap(), 0,
 297                          sizeof *control + strlenW(name)*sizeof(WCHAR) );
 298     strcpyW( control->name, name );
 299     control->next = dialog->control_list;
 300     dialog->control_list = control;
 301     control->handler = NULL;
 302     control->property = NULL;
 303     control->value = NULL;
 304     control->hBitmap = NULL;
 305     control->hIcon = NULL;
 306     control->tabnext = strdupW( MSI_RecordGetString( rec, 11) );
 307
 308     x = MSI_RecordGetInteger( rec, 4 );
 309     y = MSI_RecordGetInteger( rec, 5 );
 310     width = MSI_RecordGetInteger( rec, 6 );
 311     height = MSI_RecordGetInteger( rec, 7 );
 312
 313     x = msi_dialog_scale_unit( dialog, x );
 314     y = msi_dialog_scale_unit( dialog, y );
 315     width = msi_dialog_scale_unit( dialog, width );
 316     height = msi_dialog_scale_unit( dialog, height );
 317
 318     if( text )
 319     {
 320         font = msi_dialog_get_style( &text );
 321         deformat_string( dialog->package, text, &title );
 322     }
 323
 324     control->hwnd = CreateWindowW( szCls, title, style,
 325                           x, y, width, height, parent, NULL, NULL, NULL );
 326
 327     TRACE("Dialog %s control %s hwnd %p\n",
 328            debugstr_w(dialog->name), debugstr_w(text), control->hwnd );
 329
 330     msi_dialog_set_font( dialog, control->hwnd,
 331                          font ? font : dialog->default_font );
 332
 333     HeapFree( GetProcessHeap(), 0, font );
 334     HeapFree( GetProcessHeap(), 0, title );
 335
 336     return control;
 337 }
 338
 339 static MSIRECORD *msi_get_binary_record( MSIDATABASE *db, LPCWSTR name )
 340 {
 341     const static WCHAR query[] = {
 342         's','e','l','e','c','t',' ','*',' ',
 343         'f','r','o','m',' ','B','i','n','a','r','y',' ',
 344         'w','h','e','r','e',' ',
 345             '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0
 346     };
 347
 348     return MSI_QueryGetRecord( db, query, name );
 349 }
 350
 351 static LPWSTR msi_create_tmp_path(void)
 352 {
 353     WCHAR tmp[MAX_PATH];
 354     LPWSTR path = NULL;
 355     static const WCHAR prefix[] = { 'm','s','i',0 };
 356     DWORD len, r;
 357
 358     r = GetTempPathW( MAX_PATH, tmp );
 359     if( !r )
 360         return path;
 361     len = lstrlenW( tmp ) + 20;
 362     path = HeapAlloc( GetProcessHeap(), 0, len * sizeof (WCHAR) );
 363     if( path )
 364     {
 365         r = GetTempFileNameW( tmp, prefix, 0, path );
 366         if (!r)
 367         {
 368             HeapFree( GetProcessHeap(), 0, path );
 369             path = NULL;
 370         }
 371     }
 372     return path;
 373 }
 374
 375
 376 static HANDLE msi_load_image( MSIDATABASE *db, LPCWSTR name, UINT type,
 377                               UINT cx, UINT cy, UINT flags )
 378 {
 379     MSIRECORD *rec = NULL;
 380     HANDLE himage = NULL;
 381     LPWSTR tmp;
 382     UINT r;
 383
 384     TRACE("%p %s %u %u %08x\n", db, debugstr_w(name), cx, cy, flags);
 385
 386     tmp = msi_create_tmp_path();
 387     if( !tmp )
 388         return himage;
 389
 390     rec = msi_get_binary_record( db, name );
 391     if( rec )
 392     {
 393         r = MSI_RecordStreamToFile( rec, 2, tmp );
 394         if( r == ERROR_SUCCESS )
 395         {
 396             himage = LoadImageW( 0, tmp, type, cx, cy, flags );
 397             DeleteFileW( tmp );
 398         }
 399         msiobj_release( &rec->hdr );
 400     }
 401
 402     HeapFree( GetProcessHeap(), 0, tmp );
 403     return himage;
 404 }
 405
 406 static HICON msi_load_icon( MSIDATABASE *db, LPCWSTR text, UINT attributes )
 407 {
 408     DWORD cx = 0, cy = 0, flags;
 409
 410     flags = LR_LOADFROMFILE | LR_DEFAULTSIZE;
 411     if( attributes & msidbControlAttributesFixedSize )
 412     {
 413         flags &= ~LR_DEFAULTSIZE;
 414         if( attributes & msidbControlAttributesIconSize16 )
 415         {
 416             cx += 16;
 417             cy += 16;
 418         }
 419         if( attributes & msidbControlAttributesIconSize32 )
 420         {
 421             cx += 32;
 422             cy += 32;
 423         }
 424         /* msidbControlAttributesIconSize48 handled by above logic */
 425     }
 426     return msi_load_image( db, text, IMAGE_ICON, cx, cy, flags );
 427 }
 428
 429
 430 /* called from the Control Event subscription code */
 431 void msi_dialog_handle_event( msi_dialog* dialog, LPCWSTR control,
 432                               LPCWSTR attribute, MSIRECORD *rec )
 433 {
 434     msi_control* ctrl;
 435     LPCWSTR text;
 436
 437     ctrl = msi_dialog_find_control( dialog, control );
 438     if (!ctrl)
 439         return;
 440     if( lstrcmpW(attribute, szText) )
 441         return;
 442     text = MSI_RecordGetString( rec , 1 );
 443     SetWindowTextW( ctrl->hwnd, text );
 444     msi_dialog_check_messages( NULL );
 445 }
 446
 447 static void msi_dialog_map_events(msi_dialog* dialog, LPCWSTR control)
 448 {
 449     static WCHAR Query[] = {
 450         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 451          '`','E','v','e','n','t','M','a','p','p','i','n','g','`',' ',
 452         'W','H','E','R','E',' ',
 453          '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',' ',
 454         'A','N','D',' ',
 455          '`','C','o','n','t','r','o','l','_','`',' ','=',' ','\'','%','s','\'',0
 456     };
 457     MSIRECORD *row;
 458     LPCWSTR event, attribute;
 459
 460     row = MSI_QueryGetRecord( dialog->package->db, Query, dialog->name, control );
 461     if (!row)
 462         return;
 463
 464     event = MSI_RecordGetString( row, 3 );
 465     attribute = MSI_RecordGetString( row, 4 );
 466     ControlEvent_SubscribeToEvent( dialog->package, event, control, attribute );
 467     msiobj_release( &row->hdr );
 468 }
 469
 470 /* everything except radio buttons */
 471 static msi_control *msi_dialog_add_control( msi_dialog *dialog,
 472                 MSIRECORD *rec, LPCWSTR szCls, DWORD style )
 473 {
 474     DWORD attributes;
 475     LPCWSTR text, name;
 476
 477     name = MSI_RecordGetString( rec, 2 );
 478     attributes = MSI_RecordGetInteger( rec, 8 );
 479     text = MSI_RecordGetString( rec, 10 );
 480     if( attributes & msidbControlAttributesVisible )
 481         style |= WS_VISIBLE;
 482     if( ~attributes & msidbControlAttributesEnabled )
 483         style |= WS_DISABLED;
 484
 485     msi_dialog_map_events(dialog, name);
 486
 487     return msi_dialog_create_window( dialog, rec, szCls, name, text,
 488                                      style, dialog->hwnd );
 489 }
 490
 491 struct msi_text_info
 492 {
 493     WNDPROC oldproc;
 494     DWORD attributes;
 495 };
 496
 497 /*
 498  * we don't erase our own background,
 499  * so we have to make sure that the parent window redraws first
 500  */
 501 static void msi_text_on_settext( HWND hWnd )
 502 {
 503     HWND hParent;
 504     RECT rc;
 505
 506     hParent = GetParent( hWnd );
 507     GetWindowRect( hWnd, &rc );
 508     MapWindowPoints( NULL, hParent, (LPPOINT) &rc, 2 );
 509     InvalidateRect( hParent, &rc, TRUE );
 510 }
 511
 512 static LRESULT WINAPI
 513 MSIText_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 514 {
 515     struct msi_text_info *info;
 516     LRESULT r = 0;
 517
 518     TRACE("%p %04x %08x %08lx\n", hWnd, msg, wParam, lParam);
 519
 520     info = GetPropW(hWnd, szButtonData);
 521
 522     if( msg == WM_CTLCOLORSTATIC &&
 523        ( info->attributes & msidbControlAttributesTransparent ) )
 524     {
 525         SetBkMode( (HDC)wParam, TRANSPARENT );
 526         return (LRESULT) GetStockObject(NULL_BRUSH);
 527     }
 528
 529     r = CallWindowProcW(info->oldproc, hWnd, msg, wParam, lParam);
 530
 531     switch( msg )
 532     {
 533     case WM_SETTEXT:
 534         msi_text_on_settext( hWnd );
 535         break;
 536     case WM_NCDESTROY:
 537         HeapFree( GetProcessHeap(), 0, info );
 538         RemovePropW( hWnd, szButtonData );
 539         break;
 540     }
 541
 542     return r;
 543 }
 544
 545 static UINT msi_dialog_text_control( msi_dialog *dialog, MSIRECORD *rec )
 546 {
 547     msi_control *control;
 548     struct msi_text_info *info;
 549
 550     TRACE("%p %p\n", dialog, rec);
 551
 552     control = msi_dialog_add_control( dialog, rec, szStatic, SS_LEFT | WS_GROUP );
 553     if( !control )
 554         return ERROR_FUNCTION_FAILED;
 555
 556     info = HeapAlloc( GetProcessHeap(), 0, sizeof *info );
 557     if( !info )
 558         return ERROR_SUCCESS;
 559
 560     info->attributes = MSI_RecordGetInteger( rec, 8 );
 561     if( info->attributes & msidbControlAttributesTransparent )
 562         SetWindowLongPtrW( control->hwnd, GWL_EXSTYLE, WS_EX_TRANSPARENT );
 563
 564     info->oldproc = (WNDPROC) SetWindowLongPtrW( control->hwnd, GWLP_WNDPROC,
 565                                           (LONG_PTR)MSIText_WndProc );
 566     SetPropW( control->hwnd, szButtonData, info );
 567
 568     return ERROR_SUCCESS;
 569 }
 570
 571 static UINT msi_dialog_button_control( msi_dialog *dialog, MSIRECORD *rec )
 572 {
 573     msi_control *control;
 574     UINT attributes, style;
 575     LPCWSTR text;
 576
 577     TRACE("%p %p\n", dialog, rec);
 578
 579     style = WS_TABSTOP;
 580     attributes = MSI_RecordGetInteger( rec, 8 );
 581     if( attributes & msidbControlAttributesIcon )
 582         style |= BS_ICON;
 583
 584     control = msi_dialog_add_control( dialog, rec, szButton, style );
 585     if( !control )
 586         return ERROR_FUNCTION_FAILED;
 587
 588     control->handler = msi_dialog_button_handler;
 589
 590     /* set the icon */
 591     text = MSI_RecordGetString( rec, 10 );
 592     control->hIcon = msi_load_icon( dialog->package->db, text, attributes );
 593     if( attributes & msidbControlAttributesIcon )
 594         SendMessageW( control->hwnd, BM_SETIMAGE, IMAGE_ICON, (LPARAM) control->hIcon );
 595
 596     return ERROR_SUCCESS;
 597 }
 598
 599 static LPWSTR msi_get_checkbox_value( msi_dialog *dialog, LPCWSTR prop )
 600 {
 601     const static WCHAR query[] = {
 602         'S','E','L','E','C','T',' ','*',' ',
 603         'F','R','O','M',' ','`','C','h','e','c','k','B','o','x',' ','`',
 604         'W','H','E','R','E',' ',
 605         '`','P','r','o','p','e','r','t','y','`',' ','=',' ',
 606         '\'','%','s','\'',0
 607     };
 608     MSIRECORD *rec = NULL;
 609     LPCWSTR val = NULL;
 610     LPWSTR ret = NULL;
 611
 612     /* find if there is a value associated with the checkbox */
 613     rec = MSI_QueryGetRecord( dialog->package->db, query, prop );
 614     if (!rec)
 615         return ret;
 616
 617     val = MSI_RecordGetString( rec, 2 );
 618     if (val)
 619     {
 620         deformat_string( dialog->package, val, &ret );
 621         if( ret && !ret[0] )
 622         {
 623             HeapFree( GetProcessHeap(), 0, ret );
 624             ret = NULL;
 625         }
 626     }
 627     msiobj_release( &rec->hdr );
 628     if (ret)
 629         return ret;
 630
 631     ret = load_dynamic_property(dialog->package, prop, NULL);
 632     if( ret && !ret[0] )
 633     {
 634         HeapFree( GetProcessHeap(), 0, ret );
 635         ret = NULL;
 636     }
 637
 638     return ret;
 639 }
 640
 641 static UINT msi_dialog_checkbox_control( msi_dialog *dialog, MSIRECORD *rec )
 642 {
 643     msi_control *control;
 644     LPCWSTR prop;
 645
 646     TRACE("%p %p\n", dialog, rec);
 647
 648     control = msi_dialog_add_control( dialog, rec, szButton,
 649                                 BS_CHECKBOX | BS_MULTILINE | WS_TABSTOP );
 650     control->handler = msi_dialog_checkbox_handler;
 651     prop = MSI_RecordGetString( rec, 9 );
 652     if( prop )
 653     {
 654         control->property = strdupW( prop );
 655         control->value = msi_get_checkbox_value( dialog, prop );
 656         TRACE("control %s value %s\n", debugstr_w(control->property),
 657               debugstr_w(control->value));
 658     }
 659     msi_dialog_checkbox_sync_state( dialog, control );
 660
 661     return ERROR_SUCCESS;
 662 }
 663
 664 static UINT msi_dialog_line_control( msi_dialog *dialog, MSIRECORD *rec )
 665 {
 666     TRACE("%p %p\n", dialog, rec);
 667
 668     msi_dialog_add_control( dialog, rec, szStatic, SS_ETCHEDHORZ | SS_SUNKEN );
 669     return ERROR_SUCCESS;
 670 }
 671
 672 struct msi_streamin_info
 673 {
 674     LPSTR string;
 675     DWORD offset;
 676     DWORD length;
 677 };
 678
 679 static DWORD CALLBACK
 680 msi_richedit_stream_in( DWORD_PTR arg, LPBYTE buffer, LONG count, LONG *pcb )
 681 {
 682     struct msi_streamin_info *info = (struct msi_streamin_info*) arg;
 683
 684     if( (count + info->offset) > info->length )
 685         count = info->length - info->offset;
 686     memcpy( buffer, &info->string[ info->offset ], count );
 687     *pcb = count;
 688     info->offset += count;
 689
 690     TRACE("%ld/%ld\n", info->offset, info->length);
 691
 692     return 0;
 693 }
 694
 695 static UINT msi_dialog_scrolltext_control( msi_dialog *dialog, MSIRECORD *rec )
 696 {
 697     const static WCHAR szRichEdit20W[] = {
 698         'R','i','c','h','E','d','i','t','2','0','W',0
 699     };
 700     struct msi_streamin_info info;
 701     msi_control *control;
 702     LPCWSTR text;
 703     EDITSTREAM es;
 704     DWORD style;
 705
 706     style = WS_BORDER | ES_MULTILINE | WS_VSCROLL |
 707             ES_READONLY | ES_AUTOVSCROLL | WS_TABSTOP;
 708     control = msi_dialog_add_control( dialog, rec, szRichEdit20W, style );
 709
 710     text = MSI_RecordGetString( rec, 10 );
 711     info.string = strdupWtoA( text );
 712     info.offset = 0;
 713     info.length = lstrlenA( info.string ) + 1;
 714
 715     es.dwCookie = (DWORD_PTR) &info;
 716     es.dwError = 0;
 717     es.pfnCallback = msi_richedit_stream_in;
 718
 719     SendMessageW( control->hwnd, EM_STREAMIN, SF_RTF, (LPARAM) &es );
 720
 721     HeapFree( GetProcessHeap(), 0, info.string );
 722
 723     return ERROR_SUCCESS;
 724 }
 725
 726 static UINT msi_dialog_bitmap_control( msi_dialog *dialog, MSIRECORD *rec )
 727 {
 728     UINT cx, cy, flags, style, attributes;
 729     msi_control *control;
 730     LPCWSTR text;
 731
 732     flags = LR_LOADFROMFILE;
 733     style = SS_BITMAP | SS_LEFT | WS_GROUP;
 734
 735     attributes = MSI_RecordGetInteger( rec, 8 );
 736     if( attributes & msidbControlAttributesFixedSize )
 737     {
 738         flags |= LR_DEFAULTSIZE;
 739         style |= SS_CENTERIMAGE;
 740     }
 741
 742     control = msi_dialog_add_control( dialog, rec, szStatic, style );
 743     text = MSI_RecordGetString( rec, 10 );
 744     cx = MSI_RecordGetInteger( rec, 6 );
 745     cy = MSI_RecordGetInteger( rec, 7 );
 746     cx = msi_dialog_scale_unit( dialog, cx );
 747     cy = msi_dialog_scale_unit( dialog, cy );
 748
 749     control->hBitmap = msi_load_image( dialog->package->db, text,
 750                                        IMAGE_BITMAP, cx, cy, flags );
 751     if( control->hBitmap )
 752         SendMessageW( control->hwnd, STM_SETIMAGE,
 753                       IMAGE_BITMAP, (LPARAM) control->hBitmap );
 754     else
 755         ERR("Failed to load bitmap %s\n", debugstr_w(text));
 756
 757     return ERROR_SUCCESS;
 758 }
 759
 760 static UINT msi_dialog_icon_control( msi_dialog *dialog, MSIRECORD *rec )
 761 {
 762     msi_control *control;
 763     DWORD attributes;
 764     LPCWSTR text;
 765
 766     TRACE("\n");
 767
 768     control = msi_dialog_add_control( dialog, rec, szStatic,
 769                             SS_ICON | SS_CENTERIMAGE | WS_GROUP );
 770
 771     attributes = MSI_RecordGetInteger( rec, 8 );
 772     text = MSI_RecordGetString( rec, 10 );
 773     control->hIcon = msi_load_icon( dialog->package->db, text, attributes );
 774     if( control->hIcon )
 775         SendMessageW( control->hwnd, STM_SETICON, (WPARAM) control->hIcon, 0 );
 776     else
 777         ERR("Failed to load bitmap %s\n", debugstr_w(text));
 778     return ERROR_SUCCESS;
 779 }
 780
 781 static UINT msi_dialog_combo_control( msi_dialog *dialog, MSIRECORD *rec )
 782 {
 783     static const WCHAR szCombo[] = { 'C','O','M','B','O','B','O','X',0 };
 784
 785     msi_dialog_add_control( dialog, rec, szCombo,
 786                             SS_BITMAP | SS_LEFT | SS_CENTERIMAGE );
 787     return ERROR_SUCCESS;
 788 }
 789
 790 static UINT msi_dialog_edit_control( msi_dialog *dialog, MSIRECORD *rec )
 791 {
 792     msi_control *control;
 793     LPCWSTR prop;
 794     LPWSTR val;
 795
 796     control = msi_dialog_add_control( dialog, rec, szEdit,
 797                                       WS_BORDER | WS_TABSTOP );
 798     control->handler = msi_dialog_edit_handler;
 799     prop = MSI_RecordGetString( rec, 9 );
 800     if( prop )
 801         control->property = strdupW( prop );
 802     val = load_dynamic_property( dialog->package, control->property, NULL );
 803     SetWindowTextW( control->hwnd, val );
 804     HeapFree( GetProcessHeap(), 0, val );
 805     return ERROR_SUCCESS;
 806 }
 807
 808 /******************** Masked Edit ********************************************/
 809
 810 #define MASK_MAX_GROUPS 10
 811
 812 struct msi_mask_group
 813 {
 814     UINT len;
 815     UINT ofs;
 816     WCHAR type;
 817     HWND hwnd;
 818 };
 819
 820 struct msi_maskedit_info
 821 {
 822     msi_dialog *dialog;
 823     WNDPROC oldproc;
 824     HWND hwnd;
 825     LPWSTR prop;
 826     UINT num_chars;
 827     UINT num_groups;
 828     struct msi_mask_group group[MASK_MAX_GROUPS];
 829 };
 830
 831 static void msi_mask_control_change( struct msi_maskedit_info *info )
 832 {
 833     LPWSTR val;
 834     UINT i, n, r;
 835
 836     val = HeapAlloc( GetProcessHeap(), 0, (info->num_chars+1)*sizeof(WCHAR) );
 837     for( i=0, n=0; i<info->num_groups; i++ )
 838     {
 839         if( (info->group[i].len + n) > info->num_chars )
 840         {
 841             ERR("can't fit control %d text into template\n",i);
 842             break;
 843         }
 844         r = GetWindowTextW( info->group[i].hwnd, &val[n], info->group[i].len+1 );
 845         if( r != info->group[i].len )
 846             break;
 847         n += r;
 848     }
 849
 850     TRACE("%d/%d controls were good\n", i, info->num_groups);
 851
 852     if( i == info->num_groups )
 853     {
 854         TRACE("Set property %s to %s\n",
 855               debugstr_w(info->prop), debugstr_w(val) );
 856         CharUpperBuffW( val, info->num_chars );
 857         MSI_SetPropertyW( info->dialog->package, info->prop, val );
 858         msi_dialog_evaluate_control_conditions( info->dialog );
 859     }
 860     HeapFree( GetProcessHeap(), 0, val );
 861 }
 862
 863 /* now move to the next control if necessary */
 864 static VOID msi_mask_next_control( struct msi_maskedit_info *info, HWND hWnd )
 865 {
 866     HWND hWndNext;
 867     UINT len, i;
 868
 869     for( i=0; i<info->num_groups; i++ )
 870         if( info->group[i].hwnd == hWnd )
 871             break;
 872
 873     /* don't move from the last control */
 874     if( i >= (info->num_groups-1) )
 875         return;
 876
 877     len = SendMessageW( hWnd, WM_GETTEXTLENGTH, 0, 0 );
 878     if( len < info->group[i].len )
 879         return;
 880
 881     hWndNext = GetNextDlgTabItem( GetParent( hWnd ), hWnd, FALSE );
 882     SetFocus( hWndNext );
 883 }
 884
 885 static LRESULT WINAPI
 886 MSIMaskedEdit_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 887 {
 888     struct msi_maskedit_info *info;
 889     HRESULT r;
 890
 891     TRACE("%p %04x %08x %08lx\n", hWnd, msg, wParam, lParam);
 892
 893     info = GetPropW(hWnd, szButtonData);
 894
 895     r = CallWindowProcW(info->oldproc, hWnd, msg, wParam, lParam);
 896
 897     switch( msg )
 898     {
 899     case WM_COMMAND:
 900         if (HIWORD(wParam) == EN_CHANGE)
 901         {
 902             msi_mask_control_change( info );
 903             msi_mask_next_control( info, (HWND) lParam );
 904         }
 905         break;
 906     case WM_NCDESTROY:
 907         HeapFree( GetProcessHeap(), 0, info->prop );
 908         HeapFree( GetProcessHeap(), 0, info );
 909         RemovePropW( hWnd, szButtonData );
 910         break;
 911     }
 912
 913     return r;
 914 }
 915
 916 /* fish the various bits of the property out and put them in the control */
 917 static void
 918 msi_maskedit_set_text( struct msi_maskedit_info *info, LPCWSTR text )
 919 {
 920     LPCWSTR p;
 921     UINT i;
 922
 923     p = text;
 924     for( i = 0; i < info->num_groups; i++ )
 925     {
 926         if( info->group[i].len < lstrlenW( p ) )
 927         {
 928             LPWSTR chunk = strdupW( p );
 929             chunk[ info->group[i].len ] = 0;
 930             SetWindowTextW( info->group[i].hwnd, chunk );
 931             HeapFree( GetProcessHeap(), 0, chunk );
 932         }
 933         else
 934         {
 935             SetWindowTextW( info->group[i].hwnd, p );
 936             break;
 937         }
 938         p += info->group[i].len;
 939     }
 940 }
 941
 942 static struct msi_maskedit_info * msi_dialog_parse_groups( LPCWSTR mask )
 943 {
 944     struct msi_maskedit_info * info = NULL;
 945     int i = 0, n = 0, total = 0;
 946     LPCWSTR p;
 947
 948     TRACE("masked control, template %s\n", debugstr_w(mask));
 949
 950     if( !mask )
 951         return info;
 952
 953     p = strchrW(mask, '<');
 954     if( !p )
 955         return info;
 956
 957     info = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof *info );
 958     if( !info )
 959         return info;
 960
 961     p++;
 962     for( i=0; i<MASK_MAX_GROUPS; i++ )
 963     {
 964         /* stop at the end of the string */
 965         if( p[0] == 0 || p[0] == '>' )
 966             break;
 967
 968         /* count the number of the same identifier */
 969         for( n=0; p[n] == p[0]; n++ )
 970             ;
 971         info->group[i].ofs = total;
 972         info->group[i].type = p[0];
 973         if( p[n] == '=' )
 974         {
 975             n++;
 976             total++; /* an extra not part of the group */
 977         }
 978         info->group[i].len = n;
 979         total += n;
 980         p += n;
 981     }
 982
 983     TRACE("%d characters in %d groups\n", total, info->num_groups );
 984     if( i == MASK_MAX_GROUPS )
 985         ERR("too many groups in PIDTemplate %s\n", debugstr_w(mask));
 986
 987     info->num_chars = total;
 988     info->num_groups = i;
 989
 990     return info;
 991 }
 992
 993 static void
 994 msi_maskedit_create_children( struct msi_maskedit_info *info )
 995 {
 996     DWORD width, height, style, wx, ww;
 997     LPCWSTR text, font = NULL;
 998     RECT rect;
 999     HWND hwnd;
1000     UINT i;
1001
1002     style = WS_CHILD | WS_BORDER | WS_VISIBLE | WS_TABSTOP;
1003
1004     GetClientRect( info->hwnd, &rect );
1005
1006     width = rect.right - rect.left;
1007     height = rect.bottom - rect.top;
1008
1009     if( text )
1010         font = msi_dialog_get_style( &text );
1011
1012     for( i = 0; i < info->num_groups; i++ )
1013     {
1014         wx = (info->group[i].ofs * width) / info->num_chars;
1015         ww = (info->group[i].len * width) / info->num_chars;
1016
1017         hwnd = CreateWindowW( szEdit, NULL, style, wx, 0, ww, height,
1018                               info->hwnd, NULL, NULL, NULL );
1019         if( !hwnd )
1020         {
1021             ERR("failed to create mask edit sub window\n");
1022             break;
1023         }
1024
1025         SendMessageW( hwnd, EM_LIMITTEXT, info->group[i].len, 0 );
1026
1027         msi_dialog_set_font( info->dialog, hwnd,
1028                        font ? font : info->dialog->default_font );
1029         info->group[i].hwnd = hwnd;
1030     }
1031 }
1032
1033 /* office 2003 uses "73931<````=````=````=````=`````>@@@@@" */
1034 static UINT msi_dialog_maskedit_control( msi_dialog *dialog, MSIRECORD *rec )
1035 {
1036     const static WCHAR pidt[] = {'P','I','D','T','e','m','p','l','a','t','e',0};
1037     LPWSTR mask = NULL, title = NULL, val = NULL;
1038     struct msi_maskedit_info *info = NULL;
1039     UINT ret = ERROR_SUCCESS;
1040     msi_control *control;
1041     LPCWSTR prop;
1042
1043     mask = load_dynamic_property( dialog->package, pidt, NULL );
1044     if( !mask )
1045     {
1046         ERR("PIDTemplate is empty\n");
1047         goto end;
1048     }
1049
1050     info = msi_dialog_parse_groups( mask );
1051     if( !info )
1052     {
1053         ERR("template %s is invalid\n", debugstr_w(mask));
1054         goto end;
1055     }
1056
1057     info->dialog = dialog;
1058
1059     control = msi_dialog_add_control( dialog, rec, szStatic,
1060                    SS_OWNERDRAW | WS_GROUP | WS_VISIBLE );
1061     if( !control )
1062     {
1063         ERR("Failed to create maskedit container\n");
1064         ret = ERROR_FUNCTION_FAILED;
1065         goto end;
1066     }
1067     SetWindowLongPtrW( control->hwnd, GWL_EXSTYLE, WS_EX_CONTROLPARENT );
1068
1069     info->hwnd = control->hwnd;
1070
1071     /* subclass the static control */
1072     info->oldproc = (WNDPROC) SetWindowLongPtrW( info->hwnd, GWLP_WNDPROC,
1073                                           (LONG_PTR)MSIMaskedEdit_WndProc );
1074     SetPropW( control->hwnd, szButtonData, info );
1075
1076     prop = MSI_RecordGetString( rec, 9 );
1077     if( prop )
1078         info->prop = strdupW( prop );
1079
1080     msi_maskedit_create_children( info );
1081
1082     if( prop )
1083     {
1084         val = load_dynamic_property( dialog->package, prop, NULL );
1085         if( val )
1086         {
1087             msi_maskedit_set_text( info, val );
1088             HeapFree( GetProcessHeap(), 0, val );
1089         }
1090     }
1091
1092 end:
1093     if( ret != ERROR_SUCCESS )
1094         HeapFree( GetProcessHeap(), 0, info );
1095     HeapFree( GetProcessHeap(), 0, title );
1096     HeapFree( GetProcessHeap(), 0, mask );
1097     return ret;
1098 }
1099
1100 /******************** Path Edit ********************************************/
1101
1102 static UINT msi_dialog_pathedit_control( msi_dialog *dialog, MSIRECORD *rec )
1103 {
1104     FIXME("not implemented properly\n");
1105     return msi_dialog_edit_control( dialog, rec );
1106 }
1107
1108 /* radio buttons are a bit different from normal controls */
1109 static UINT msi_dialog_create_radiobutton( MSIRECORD *rec, LPVOID param )
1110 {
1111     radio_button_group_descr *group = (radio_button_group_descr *)param;
1112     msi_dialog *dialog = group->dialog;
1113     msi_control *control;
1114     LPCWSTR prop, text, name;
1115     DWORD style;
1116     DWORD attributes = group->attributes;
1117
1118     style = WS_CHILD | BS_AUTORADIOBUTTON | BS_MULTILINE | WS_TABSTOP;
1119     name = MSI_RecordGetString( rec, 3 );
1120     text = MSI_RecordGetString( rec, 8 );
1121     if( attributes & 1 )
1122         style |= WS_VISIBLE;
1123     if( ~attributes & 2 )
1124         style |= WS_DISABLED;
1125
1126     control = msi_dialog_create_window( dialog, rec, szButton, name, text,
1127                                         style, group->parent->hwnd );
1128     control->handler = msi_dialog_radiogroup_handler;
1129
1130     prop = MSI_RecordGetString( rec, 1 );
1131     if( prop )
1132         control->property = strdupW( prop );
1133
1134     return ERROR_SUCCESS;
1135 }
1136
1137 static UINT msi_dialog_radiogroup_control( msi_dialog *dialog, MSIRECORD *rec )
1138 {
1139     static const WCHAR query[] = {
1140         'S','E','L','E','C','T',' ','*',' ',
1141         'F','R','O','M',' ','R','a','d','i','o','B','u','t','t','o','n',' ',
1142         'W','H','E','R','E',' ',
1143            '`','P','r','o','p','e','r','t','y','`',' ','=',' ','\'','%','s','\'',0};
1144     UINT r;
1145     LPCWSTR prop;
1146     msi_control *control;
1147     MSIQUERY *view = NULL;
1148     radio_button_group_descr group;
1149     MSIPACKAGE *package = dialog->package;
1150     WNDPROC oldproc;
1151
1152     prop = MSI_RecordGetString( rec, 9 );
1153
1154     TRACE("%p %p %s\n", dialog, rec, debugstr_w( prop ));
1155
1156     /* Create parent group box to hold radio buttons */
1157     control = msi_dialog_add_control( dialog, rec, szButton, BS_OWNERDRAW|WS_GROUP );
1158     if( !control )
1159         return ERROR_FUNCTION_FAILED;
1160
1161     oldproc = (WNDPROC) SetWindowLongPtrW( control->hwnd, GWLP_WNDPROC,
1162                                            (LONG_PTR)MSIRadioGroup_WndProc );
1163     SetPropW(control->hwnd, szButtonData, oldproc);
1164     SetWindowLongPtrW( control->hwnd, GWL_EXSTYLE, WS_EX_CONTROLPARENT );
1165
1166     if( prop )
1167         control->property = strdupW( prop );
1168
1169     /* query the Radio Button table for all control in this group */
1170     r = MSI_OpenQuery( package->db, &view, query, prop );
1171     if( r != ERROR_SUCCESS )
1172     {
1173         ERR("query failed for dialog %s radio group %s\n",
1174             debugstr_w(dialog->name), debugstr_w(prop));
1175         return ERROR_INVALID_PARAMETER;
1176     }
1177
1178     group.dialog = dialog;
1179     group.parent = control;
1180     group.attributes = MSI_RecordGetInteger( rec, 8 );
1181
1182     r = MSI_IterateRecords( view, 0, msi_dialog_create_radiobutton, &group );
1183     msiobj_release( &view->hdr );
1184
1185     return r;
1186 }
1187
1188 struct control_handler msi_dialog_handler[] =
1189 {
1190     { szText, msi_dialog_text_control },
1191     { szPushButton, msi_dialog_button_control },
1192     { szLine, msi_dialog_line_control },
1193     { szBitmap, msi_dialog_bitmap_control },
1194     { szCheckBox, msi_dialog_checkbox_control },
1195     { szScrollableText, msi_dialog_scrolltext_control },
1196     { szComboBox, msi_dialog_combo_control },
1197     { szEdit, msi_dialog_edit_control },
1198     { szMaskedEdit, msi_dialog_maskedit_control },
1199     { szPathEdit, msi_dialog_pathedit_control },
1200     { szRadioButtonGroup, msi_dialog_radiogroup_control },
1201     { szIcon, msi_dialog_icon_control },
1202 };
1203
1204 #define NUM_CONTROL_TYPES (sizeof msi_dialog_handler/sizeof msi_dialog_handler[0])
1205
1206 static UINT msi_dialog_create_controls( MSIRECORD *rec, LPVOID param )
1207 {
1208     msi_dialog *dialog = param;
1209     LPCWSTR control_type;
1210     UINT i;
1211
1212     /* find and call the function that can create this type of control */
1213     control_type = MSI_RecordGetString( rec, 3 );
1214     for( i=0; i<NUM_CONTROL_TYPES; i++ )
1215         if (!strcmpiW( msi_dialog_handler[i].control_type, control_type ))
1216             break;
1217     if( i != NUM_CONTROL_TYPES )
1218         msi_dialog_handler[i].func( dialog, rec );
1219     else
1220         ERR("no handler for element type %s\n", debugstr_w(control_type));
1221
1222     return ERROR_SUCCESS;
1223 }
1224
1225 static UINT msi_dialog_fill_controls( msi_dialog *dialog )
1226 {
1227     static const WCHAR query[] = {
1228         'S','E','L','E','C','T',' ','*',' ',
1229         'F','R','O','M',' ','C','o','n','t','r','o','l',' ',
1230         'W','H','E','R','E',' ',
1231            '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',0};
1232     UINT r;
1233     MSIQUERY *view = NULL;
1234     MSIPACKAGE *package = dialog->package;
1235
1236     TRACE("%p %s\n", dialog, debugstr_w(dialog->name) );
1237
1238     /* query the Control table for all the elements of the control */
1239     r = MSI_OpenQuery( package->db, &view, query, dialog->name );
1240     if( r != ERROR_SUCCESS )
1241     {
1242         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
1243         return ERROR_INVALID_PARAMETER;
1244     }
1245
1246     r = MSI_IterateRecords( view, 0, msi_dialog_create_controls, dialog );
1247     msiobj_release( &view->hdr );
1248
1249     return r;
1250 }
1251
1252 static UINT msi_dialog_set_control_condition( MSIRECORD *rec, LPVOID param )
1253 {
1254     static const WCHAR szHide[] = { 'H','i','d','e',0 };
1255     static const WCHAR szShow[] = { 'S','h','o','w',0 };
1256     static const WCHAR szDisable[] = { 'D','i','s','a','b','l','e',0 };
1257     static const WCHAR szEnable[] = { 'E','n','a','b','l','e',0 };
1258     msi_dialog *dialog = param;
1259     msi_control *control;
1260     LPCWSTR name, action, condition;
1261     UINT r;
1262
1263     name = MSI_RecordGetString( rec, 2 );
1264     action = MSI_RecordGetString( rec, 3 );
1265     condition = MSI_RecordGetString( rec, 4 );
1266     r = MSI_EvaluateConditionW( dialog->package, condition );
1267     control = msi_dialog_find_control( dialog, name );
1268     if( r && control )
1269     {
1270         TRACE("%s control %s\n", debugstr_w(action), debugstr_w(name));
1271
1272         /* FIXME: case sensitive? */
1273         if(!lstrcmpW(action, szHide))
1274             ShowWindow(control->hwnd, SW_HIDE);
1275         else if(!strcmpW(action, szShow))
1276             ShowWindow(control->hwnd, SW_SHOW);
1277         else if(!strcmpW(action, szDisable))
1278             EnableWindow(control->hwnd, FALSE);
1279         else if(!strcmpW(action, szEnable))
1280             EnableWindow(control->hwnd, TRUE);
1281         else
1282             FIXME("Unhandled action %s\n", debugstr_w(action));
1283     }
1284
1285     return ERROR_SUCCESS;
1286 }
1287
1288 static UINT msi_dialog_evaluate_control_conditions( msi_dialog *dialog )
1289 {
1290     static const WCHAR query[] = {
1291       'S','E','L','E','C','T',' ','*',' ',
1292       'F','R','O','M',' ',
1293         'C','o','n','t','r','o','l','C','o','n','d','i','t','i','o','n',' ',
1294       'W','H','E','R','E',' ',
1295         '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',0
1296     };
1297     UINT r;
1298     MSIQUERY *view = NULL;
1299     MSIPACKAGE *package = dialog->package;
1300
1301     TRACE("%p %s\n", dialog, debugstr_w(dialog->name) );
1302
1303     /* query the Control table for all the elements of the control */
1304     r = MSI_OpenQuery( package->db, &view, query, dialog->name );
1305     if( r != ERROR_SUCCESS )
1306     {
1307         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
1308         return ERROR_INVALID_PARAMETER;
1309     }
1310
1311     r = MSI_IterateRecords( view, 0, msi_dialog_set_control_condition, dialog );
1312     msiobj_release( &view->hdr );
1313
1314     return r;
1315 }
1316
1317 /* figure out the height of 10 point MS Sans Serif */
1318 static INT msi_dialog_get_sans_serif_height( HWND hwnd )
1319 {
1320     static const WCHAR szSansSerif[] = {
1321         'M','S',' ','S','a','n','s',' ','S','e','r','i','f',0 };
1322     LOGFONTW lf;
1323     TEXTMETRICW tm;
1324     BOOL r;
1325     LONG height = 0;
1326     HFONT hFont, hOldFont;
1327     HDC hdc;
1328
1329     hdc = GetDC( hwnd );
1330     if (hdc)
1331     {
1332         memset( &lf, 0, sizeof lf );
1333         lf.lfHeight = MulDiv(10, GetDeviceCaps(hdc, LOGPIXELSY), 72);
1334         strcpyW( lf.lfFaceName, szSansSerif );
1335         hFont = CreateFontIndirectW(&lf);
1336         if (hFont)
1337         {
1338             hOldFont = SelectObject( hdc, hFont );
1339             r = GetTextMetricsW( hdc, &tm );
1340             if (r)
1341                 height = tm.tmHeight;
1342             SelectObject( hdc, hOldFont );
1343             DeleteObject( hFont );
1344         }
1345         ReleaseDC( hwnd, hdc );
1346     }
1347     return height;
1348 }
1349
1350 /* fetch the associated record from the Dialog table */
1351 static MSIRECORD *msi_get_dialog_record( msi_dialog *dialog )
1352 {
1353     static const WCHAR query[] = {
1354         'S','E','L','E','C','T',' ','*',' ',
1355         'F','R','O','M',' ','D','i','a','l','o','g',' ',
1356         'W','H','E','R','E',' ',
1357            '`','D','i','a','l','o','g','`',' ','=',' ','\'','%','s','\'',0};
1358     MSIPACKAGE *package = dialog->package;
1359     MSIRECORD *rec = NULL;
1360
1361     TRACE("%p %s\n", dialog, debugstr_w(dialog->name) );
1362
1363     rec = MSI_QueryGetRecord( package->db, query, dialog->name );
1364     if( !rec )
1365         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
1366
1367     return rec;
1368 }
1369
1370 static void msi_dialog_adjust_dialog_size( msi_dialog *dialog, LPSIZE sz )
1371 {
1372     RECT rect;
1373     LONG style;
1374
1375     /* turn the client size into the window rectangle */
1376     rect.left = 0;
1377     rect.top = 0;
1378     rect.right = msi_dialog_scale_unit( dialog, sz->cx );
1379     rect.bottom = msi_dialog_scale_unit( dialog, sz->cy );
1380     style = GetWindowLongPtrW( dialog->hwnd, GWL_STYLE );
1381     AdjustWindowRect( &rect, style, FALSE );
1382     sz->cx = rect.right - rect.left;
1383     sz->cy = rect.bottom - rect.top;
1384 }
1385
1386 static BOOL msi_control_set_next( msi_control *control, msi_control *next )
1387 {
1388     return SetWindowPos( next->hwnd, control->hwnd, 0, 0, 0, 0,
1389                          SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREDRAW |
1390                          SWP_NOREPOSITION | SWP_NOSENDCHANGING | SWP_NOSIZE );
1391 }
1392
1393 static UINT msi_dialog_set_tab_order( msi_dialog *dialog )
1394 {
1395     msi_control *control, *tab_next;
1396
1397     for( control = dialog->control_list; control; control = control->next )
1398     {
1399         tab_next = msi_dialog_find_control( dialog, control->tabnext );
1400         if( !tab_next )
1401             continue;
1402         msi_control_set_next( control, tab_next );
1403     }
1404
1405     return ERROR_SUCCESS;
1406 }
1407
1408 static void msi_dialog_set_first_control( msi_dialog* dialog, LPCWSTR name )
1409 {
1410     msi_control *control;
1411
1412     control = msi_dialog_find_control( dialog, name );
1413     if( control )
1414         dialog->hWndFocus = control->hwnd;
1415     else
1416         dialog->hWndFocus = NULL;
1417 }
1418
1419 static LRESULT msi_dialog_oncreate( HWND hwnd, LPCREATESTRUCTW cs )
1420 {
1421     static const WCHAR df[] = {
1422         'D','e','f','a','u','l','t','U','I','F','o','n','t',0 };
1423     msi_dialog *dialog = (msi_dialog*) cs->lpCreateParams;
1424     MSIRECORD *rec = NULL;
1425     LPCWSTR text;
1426     LPWSTR title = NULL;
1427     SIZE size;
1428
1429     TRACE("%p %p\n", dialog, dialog->package);
1430
1431     dialog->hwnd = hwnd;
1432     SetWindowLongPtrW( hwnd, GWLP_USERDATA, (LONG_PTR) dialog );
1433
1434     rec = msi_get_dialog_record( dialog );
1435     if( !rec )
1436     {
1437         TRACE("No record found for dialog %s\n", debugstr_w(dialog->name));
1438         return -1;
1439     }
1440
1441     dialog->scale = msi_dialog_get_sans_serif_height(dialog->hwnd);
1442
1443     size.cx = MSI_RecordGetInteger( rec, 4 );
1444     size.cy = MSI_RecordGetInteger( rec, 5 );
1445     msi_dialog_adjust_dialog_size( dialog, &size );
1446
1447     dialog->attributes = MSI_RecordGetInteger( rec, 6 );
1448     text = MSI_RecordGetString( rec, 7 );
1449
1450     dialog->default_font = load_dynamic_property( dialog->package, df, NULL );
1451
1452     deformat_string( dialog->package, text, &title );
1453     SetWindowTextW( hwnd, title );
1454     SetWindowPos( hwnd, 0, 0, 0, size.cx, size.cy,
1455                   SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOREDRAW );
1456
1457     HeapFree( GetProcessHeap(), 0, title );
1458
1459     msi_dialog_build_font_list( dialog );
1460     msi_dialog_fill_controls( dialog );
1461     msi_dialog_evaluate_control_conditions( dialog );
1462     msi_dialog_set_tab_order( dialog );
1463     msi_dialog_set_first_control( dialog, MSI_RecordGetString( rec, 8 ) );
1464     msiobj_release( &rec->hdr );
1465
1466     return 0;
1467 }
1468
1469 static UINT msi_dialog_send_event( msi_dialog *dialog, LPCWSTR event, LPCWSTR arg )
1470 {
1471     LPWSTR event_fmt = NULL, arg_fmt = NULL;
1472
1473     TRACE("Sending control event %s %s\n", debugstr_w(event), debugstr_w(arg));
1474
1475     deformat_string( dialog->package, event, &event_fmt );
1476     deformat_string( dialog->package, arg, &arg_fmt );
1477
1478     dialog->event_handler( dialog->package, event_fmt, arg_fmt, dialog );
1479
1480     HeapFree( GetProcessHeap(), 0, event_fmt );
1481     HeapFree( GetProcessHeap(), 0, arg_fmt );
1482
1483     return ERROR_SUCCESS;
1484 }
1485
1486 static UINT msi_dialog_set_property( msi_dialog *dialog, LPCWSTR event, LPCWSTR arg )
1487 {
1488     static const WCHAR szNullArg[] = { '{','}',0 };
1489     LPWSTR p, prop, arg_fmt = NULL;
1490     UINT len;
1491
1492     len = strlenW(event);
1493     prop = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR));
1494     strcpyW( prop, &event[1] );
1495     p = strchrW( prop, ']' );
1496     if( p && p[1] == 0 )
1497     {
1498         *p = 0;
1499         if( strcmpW( szNullArg, arg ) )
1500             deformat_string( dialog->package, arg, &arg_fmt );
1501         MSI_SetPropertyW( dialog->package, prop, arg_fmt );
1502     }
1503     else
1504         ERR("Badly formatted property string - what happens?\n");
1505     HeapFree( GetProcessHeap(), 0, prop );
1506     return ERROR_SUCCESS;
1507 }
1508
1509 static UINT msi_dialog_control_event( MSIRECORD *rec, LPVOID param )
1510 {
1511     msi_dialog *dialog = param;
1512     LPCWSTR condition, event, arg;
1513     UINT r;
1514
1515     condition = MSI_RecordGetString( rec, 5 );
1516     r = MSI_EvaluateConditionW( dialog->package, condition );
1517     if( r )
1518     {
1519         event = MSI_RecordGetString( rec, 3 );
1520         arg = MSI_RecordGetString( rec, 4 );
1521         if( event[0] == '[' )
1522             msi_dialog_set_property( dialog, event, arg );
1523         else
1524             msi_dialog_send_event( dialog, event, arg );
1525     }
1526
1527     return ERROR_SUCCESS;
1528 }
1529
1530 static UINT msi_dialog_button_handler( msi_dialog *dialog,
1531                                        msi_control *control, WPARAM param )
1532 {
1533     static const WCHAR query[] = {
1534       'S','E','L','E','C','T',' ','*',' ',
1535       'F','R','O','M',' ','C','o','n','t','r','o','l','E','v','e','n','t',' ',
1536       'W','H','E','R','E',' ',
1537          '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',' ',
1538       'A','N','D',' ',
1539          '`','C','o','n','t','r','o','l','_','`',' ','=',' ','\'','%','s','\'',' ',
1540       'O','R','D','E','R',' ','B','Y',' ','`','O','r','d','e','r','i','n','g','`',0
1541     };
1542     MSIQUERY *view = NULL;
1543     UINT r;
1544
1545     if( HIWORD(param) != BN_CLICKED )
1546         return ERROR_SUCCESS;
1547
1548     r = MSI_OpenQuery( dialog->package->db, &view, query,
1549                        dialog->name, control->name );
1550     if( r != ERROR_SUCCESS )
1551     {
1552         ERR("query failed\n");
1553         return 0;
1554     }
1555
1556     r = MSI_IterateRecords( view, 0, msi_dialog_control_event, dialog );
1557     msiobj_release( &view->hdr );
1558
1559     return r;
1560 }
1561
1562 static UINT msi_dialog_get_checkbox_state( msi_dialog *dialog,
1563                 msi_control *control )
1564 {
1565     WCHAR state[2] = { 0 };
1566     DWORD sz = 2;
1567
1568     MSI_GetPropertyW( dialog->package, control->property, state, &sz );
1569     return state[0] ? 1 : 0;
1570 }
1571
1572 static void msi_dialog_set_checkbox_state( msi_dialog *dialog,
1573                 msi_control *control, UINT state )
1574 {
1575     static const WCHAR szState[] = { '1', 0 };
1576     LPCWSTR val;
1577
1578     /* if uncheck then the property is set to NULL */
1579     if (!state)
1580     {
1581         MSI_SetPropertyW( dialog->package, control->property, NULL );
1582         return;
1583     }
1584
1585     /* check for a custom state */
1586     if (control->value && control->value[0])
1587         val = control->value;
1588     else
1589         val = szState;
1590
1591     MSI_SetPropertyW( dialog->package, control->property, val );
1592 }
1593
1594 static void msi_dialog_checkbox_sync_state( msi_dialog *dialog,
1595                 msi_control *control )
1596 {
1597     UINT state;
1598
1599     state = msi_dialog_get_checkbox_state( dialog, control );
1600     SendMessageW( control->hwnd, BM_SETCHECK,
1601                   state ? BST_CHECKED : BST_UNCHECKED, 0 );
1602 }
1603
1604 static UINT msi_dialog_checkbox_handler( msi_dialog *dialog,
1605                 msi_control *control, WPARAM param )
1606 {
1607     UINT state;
1608
1609     if( HIWORD(param) != BN_CLICKED )
1610         return ERROR_SUCCESS;
1611
1612     TRACE("clicked checkbox %s, set %s\n", debugstr_w(control->name),
1613           debugstr_w(control->property));
1614
1615     state = msi_dialog_get_checkbox_state( dialog, control );
1616     state = state ? 0 : 1;
1617     msi_dialog_set_checkbox_state( dialog, control, state );
1618     msi_dialog_checkbox_sync_state( dialog, control );
1619
1620     return msi_dialog_button_handler( dialog, control, param );
1621 }
1622
1623 static UINT msi_dialog_edit_handler( msi_dialog *dialog,
1624                 msi_control *control, WPARAM param )
1625 {
1626     UINT sz, r;
1627     LPWSTR buf;
1628
1629     if( HIWORD(param) != EN_CHANGE )
1630         return ERROR_SUCCESS;
1631
1632     TRACE("edit %s contents changed, set %s\n", debugstr_w(control->name),
1633           debugstr_w(control->property));
1634
1635     sz = 0x20;
1636     buf = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
1637     while( buf )
1638     {
1639         r = GetWindowTextW( control->hwnd, buf, sz );
1640         if( r < (sz-1) )
1641             break;
1642             sz *= 2;
1643         buf = HeapReAlloc( GetProcessHeap(), 0, buf, sz*sizeof(WCHAR) );
1644     }
1645
1646     MSI_SetPropertyW( dialog->package, control->property, buf );
1647
1648     HeapFree( GetProcessHeap(), 0, buf );
1649
1650     return ERROR_SUCCESS;
1651 }
1652
1653 static UINT msi_dialog_radiogroup_handler( msi_dialog *dialog,
1654                 msi_control *control, WPARAM param )
1655 {
1656     if( HIWORD(param) != BN_CLICKED )
1657         return ERROR_SUCCESS;
1658
1659     TRACE("clicked radio button %s, set %s\n", debugstr_w(control->name),
1660           debugstr_w(control->property));
1661
1662     MSI_SetPropertyW( dialog->package, control->property, control->name );
1663
1664     return msi_dialog_button_handler( dialog, control, param );
1665 }
1666
1667 static LRESULT msi_dialog_oncommand( msi_dialog *dialog, WPARAM param, HWND hwnd )
1668 {
1669     msi_control *control;
1670
1671     TRACE("%p %p %08x\n", dialog, hwnd, param);
1672
1673     control = msi_dialog_find_control_by_hwnd( dialog, hwnd );
1674     if( control )
1675     {
1676         if( control->handler )
1677         {
1678             control->handler( dialog, control, param );
1679             msi_dialog_evaluate_control_conditions( dialog );
1680         }
1681     }
1682     else
1683         ERR("button click from nowhere\n");
1684     return 0;
1685 }
1686
1687 static void msi_dialog_setfocus( msi_dialog *dialog )
1688 {
1689     HWND hwnd = dialog->hWndFocus;
1690
1691     hwnd = GetNextDlgTabItem( dialog->hwnd, hwnd, TRUE);
1692     hwnd = GetNextDlgTabItem( dialog->hwnd, hwnd, FALSE);
1693     SetFocus( hwnd );
1694     dialog->hWndFocus = hwnd;
1695 }
1696
1697 static LRESULT WINAPI MSIDialog_WndProc( HWND hwnd, UINT msg,
1698                 WPARAM wParam, LPARAM lParam )
1699 {
1700     msi_dialog *dialog = (LPVOID) GetWindowLongPtrW( hwnd, GWLP_USERDATA );
1701
1702     TRACE("0x%04x\n", msg);
1703
1704     switch (msg)
1705     {
1706     case WM_CREATE:
1707         return msi_dialog_oncreate( hwnd, (LPCREATESTRUCTW)lParam );
1708
1709     case WM_COMMAND:
1710         return msi_dialog_oncommand( dialog, wParam, (HWND)lParam );
1711
1712     case WM_ACTIVATE:
1713         if( LOWORD(wParam) == WA_INACTIVE )
1714             dialog->hWndFocus = GetFocus();
1715         else
1716             msi_dialog_setfocus( dialog );
1717         return 0;
1718
1719     case WM_SETFOCUS:
1720         msi_dialog_setfocus( dialog );
1721         return 0;
1722
1723     /* bounce back to our subclassed static control */
1724     case WM_CTLCOLORSTATIC:
1725         return SendMessageW( (HWND) lParam, WM_CTLCOLORSTATIC, wParam, lParam );
1726
1727     case WM_DESTROY:
1728         dialog->hwnd = NULL;
1729         return 0;
1730     }
1731     return DefWindowProcW(hwnd, msg, wParam, lParam);
1732 }
1733
1734 static LRESULT WINAPI MSIRadioGroup_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1735 {
1736     WNDPROC oldproc = (WNDPROC) GetPropW(hWnd, szButtonData);
1737
1738     TRACE("hWnd %p msg %04x wParam 0x%08x lParam 0x%08lx\n", hWnd, msg, wParam, lParam);
1739
1740     if (msg == WM_COMMAND) /* Forward notifications to dialog */
1741         SendMessageW(GetParent(hWnd), msg, wParam, lParam);
1742
1743     return CallWindowProcW(oldproc, hWnd, msg, wParam, lParam);
1744 }
1745
1746 static LRESULT WINAPI MSIHiddenWindowProc( HWND hwnd, UINT msg,
1747                 WPARAM wParam, LPARAM lParam )
1748 {
1749     msi_dialog *dialog = (msi_dialog*) lParam;
1750
1751     TRACE("%d %p\n", msg, dialog);
1752
1753     switch (msg)
1754     {
1755     case WM_MSI_DIALOG_CREATE:
1756         return msi_dialog_run_message_loop( dialog );
1757     case WM_MSI_DIALOG_DESTROY:
1758         msi_dialog_destroy( dialog );
1759         return 0;
1760     }
1761     return DefWindowProcW( hwnd, msg, wParam, lParam );
1762 }
1763
1764 /* functions that interface to other modules within MSI */
1765
1766 msi_dialog *msi_dialog_create( MSIPACKAGE* package, LPCWSTR szDialogName,
1767                                 msi_dialog_event_handler event_handler )
1768 {
1769     MSIRECORD *rec = NULL;
1770     msi_dialog *dialog;
1771
1772     TRACE("%p %s\n", package, debugstr_w(szDialogName));
1773
1774     /* allocate the structure for the dialog to use */
1775     dialog = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
1776                         sizeof *dialog + sizeof(WCHAR)*strlenW(szDialogName) );
1777     if( !dialog )
1778         return NULL;
1779     strcpyW( dialog->name, szDialogName );
1780     msiobj_addref( &package->hdr );
1781     dialog->package = package;
1782     dialog->event_handler = event_handler;
1783     dialog->finished = 0;
1784
1785     /* verify that the dialog exists */
1786     rec = msi_get_dialog_record( dialog );
1787     if( !rec )
1788     {
1789         HeapFree( GetProcessHeap(), 0, dialog );
1790         return NULL;
1791     }
1792     dialog->attributes = MSI_RecordGetInteger( rec, 6 );
1793     msiobj_release( &rec->hdr );
1794
1795     return dialog;
1796 }
1797
1798 static void msi_process_pending_messages( HWND hdlg )
1799 {
1800     MSG msg;
1801
1802     while( PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ) )
1803     {
1804         if( hdlg && IsDialogMessageW( hdlg, &msg ))
1805             continue;
1806         TranslateMessage( &msg );
1807         DispatchMessageW( &msg );
1808     }
1809 }
1810
1811 void msi_dialog_end_dialog( msi_dialog *dialog )
1812 {
1813     TRACE("%p\n", dialog);
1814     dialog->finished = 1;
1815     PostMessageW(dialog->hwnd, WM_NULL, 0, 0);
1816 }
1817
1818 void msi_dialog_check_messages( HANDLE handle )
1819 {
1820     DWORD r;
1821
1822     /* in threads other than the UI thread, block */
1823     if( uiThreadId != GetCurrentThreadId() )
1824     {
1825         if( handle )
1826             WaitForSingleObject( handle, INFINITE );
1827         return;
1828     }
1829
1830     /* there's two choices for the UI thread */
1831     while (1)
1832     {
1833         msi_process_pending_messages( NULL );
1834
1835         if( !handle )
1836             break;
1837
1838         /*
1839          * block here until somebody creates a new dialog or
1840          * the handle we're waiting on becomes ready
1841          */
1842         r = MsgWaitForMultipleObjects( 1, &handle, 0, INFINITE, QS_ALLINPUT );
1843         if( r == WAIT_OBJECT_0 )
1844             break;
1845     }
1846 }
1847
1848 UINT msi_dialog_run_message_loop( msi_dialog *dialog )
1849 {
1850     HWND hwnd;
1851
1852     if( !(dialog->attributes & msidbDialogAttributesVisible) )
1853         return ERROR_SUCCESS;
1854
1855     if( uiThreadId != GetCurrentThreadId() )
1856         return SendMessageW( hMsiHiddenWindow, WM_MSI_DIALOG_CREATE, 0, (LPARAM) dialog );
1857
1858     /* create the dialog window, don't show it yet */
1859     hwnd = CreateWindowW( szMsiDialogClass, dialog->name, WS_OVERLAPPEDWINDOW,
1860                      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
1861                      NULL, NULL, NULL, dialog );
1862     if( !hwnd )
1863     {
1864         ERR("Failed to create dialog %s\n", debugstr_w( dialog->name ));
1865         return ERROR_FUNCTION_FAILED;
1866     }
1867
1868     ShowWindow( hwnd, SW_SHOW );
1869     UpdateWindow( hwnd );
1870
1871     if( dialog->attributes & msidbDialogAttributesModal )
1872     {
1873         while( !dialog->finished )
1874         {
1875             MsgWaitForMultipleObjects( 0, NULL, 0, INFINITE, QS_ALLEVENTS );
1876             msi_process_pending_messages( dialog->hwnd );
1877         }
1878     }
1879     else
1880         return ERROR_IO_PENDING;
1881
1882     return ERROR_SUCCESS;
1883 }
1884
1885 void msi_dialog_do_preview( msi_dialog *dialog )
1886 {
1887     TRACE("\n");
1888     dialog->attributes |= msidbDialogAttributesVisible;
1889     dialog->attributes &= ~msidbDialogAttributesModal;
1890     msi_dialog_run_message_loop( dialog );
1891 }
1892
1893 void msi_dialog_destroy( msi_dialog *dialog )
1894 {
1895     if( uiThreadId != GetCurrentThreadId() )
1896     {
1897         SendMessageW( hMsiHiddenWindow, WM_MSI_DIALOG_DESTROY, 0, (LPARAM) dialog );
1898         return;
1899     }
1900
1901     if( dialog->hwnd )
1902         ShowWindow( dialog->hwnd, SW_HIDE );
1903
1904     /* destroy the list of controls */
1905     while( dialog->control_list )
1906     {
1907         msi_control *t = dialog->control_list;
1908         dialog->control_list = t->next;
1909         /* leave dialog->hwnd - destroying parent destroys child windows */
1910         HeapFree( GetProcessHeap(), 0, t->property );
1911         HeapFree( GetProcessHeap(), 0, t->value );
1912         if( t->hBitmap )
1913             DeleteObject( t->hBitmap );
1914         if( t->hIcon )
1915             DestroyIcon( t->hIcon );
1916         HeapFree( GetProcessHeap(), 0, t->tabnext );
1917         HeapFree( GetProcessHeap(), 0, t );
1918     }
1919
1920     /* destroy the list of fonts */
1921     while( dialog->font_list )
1922     {
1923         msi_font *t = dialog->font_list;
1924         dialog->font_list = t->next;
1925         DeleteObject( t->hfont );
1926         HeapFree( GetProcessHeap(), 0, t );
1927     }
1928     HeapFree( GetProcessHeap(), 0, dialog->default_font );
1929
1930     if( dialog->hwnd )
1931         DestroyWindow( dialog->hwnd );
1932
1933     msiobj_release( &dialog->package->hdr );
1934     dialog->package = NULL;
1935     HeapFree( GetProcessHeap(), 0, dialog );
1936 }
1937
1938 BOOL msi_dialog_register_class( void )
1939 {
1940     WNDCLASSW cls;
1941
1942     ZeroMemory( &cls, sizeof cls );
1943     cls.lpfnWndProc   = MSIDialog_WndProc;
1944     cls.hInstance     = NULL;
1945     cls.hIcon         = LoadIconW(0, (LPWSTR)IDI_APPLICATION);
1946     cls.hCursor       = LoadCursorW(0, (LPWSTR)IDC_ARROW);
1947     cls.hbrBackground = (HBRUSH)(COLOR_WINDOW);
1948     cls.lpszMenuName  = NULL;
1949     cls.lpszClassName = szMsiDialogClass;
1950
1951     if( !RegisterClassW( &cls ) )
1952         return FALSE;
1953
1954     cls.lpfnWndProc   = MSIHiddenWindowProc;
1955     cls.lpszClassName = szMsiHiddenWindow;
1956
1957     if( !RegisterClassW( &cls ) )
1958         return FALSE;
1959
1960     uiThreadId = GetCurrentThreadId();
1961
1962     hMsiHiddenWindow = CreateWindowW( szMsiHiddenWindow, NULL, WS_OVERLAPPED,
1963                                    0, 0, 100, 100, NULL, NULL, NULL, NULL );
1964     if( !hMsiHiddenWindow )
1965         return FALSE;
1966
1967     hRichedit = LoadLibraryA("riched20");
1968
1969     return TRUE;
1970 }
1971
1972 void msi_dialog_unregister_class( void )
1973 {
1974     DestroyWindow( hMsiHiddenWindow );
1975     UnregisterClassW( szMsiDialogClass, NULL );
1976     uiThreadId = 0;
1977     FreeLibrary( hRichedit );
1978 }