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 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "winnls.h"
  27 #include "wingdi.h"
  28 #include "msi.h"
  29 #include "msipriv.h"
  30 #include "msidefs.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34
  35 #include "action.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  38
  39
  40 const WCHAR szMsiDialogClass[] = {
  41     'M','s','i','D','i','a','l','o','g','C','l','o','s','e','C','l','a','s','s',0
  42 };
  43 const static WCHAR szStatic[] = { 'S','t','a','t','i','c',0 };
  44 const static WCHAR szButton[] = { 'B','U','T','T','O','N', 0 };
  45
  46 const static WCHAR szButtonData[] = { 'M','S','I','D','A','T','A',0 };
  47
  48 struct msi_control_tag;
  49 typedef struct msi_control_tag msi_control;
  50 typedef UINT (*msi_handler)( msi_dialog *, msi_control *, WPARAM );
  51
  52 struct msi_control_tag
  53 {
  54     struct msi_control_tag *next;
  55     HWND hwnd;
  56     msi_handler handler;
  57     LPWSTR property;
  58     WCHAR name[1];
  59 };
  60
  61 typedef struct msi_font_tag
  62 {
  63     struct msi_font_tag *next;
  64     HFONT hfont;
  65     WCHAR name[1];
  66 } msi_font;
  67
  68 struct msi_dialog_tag
  69 {
  70     MSIPACKAGE *package;
  71     msi_dialog_event_handler event_handler;
  72     BOOL finished;
  73     INT scale;
  74     DWORD attributes;
  75     HWND hwnd;
  76     LPWSTR default_font;
  77     msi_font *font_list;
  78     msi_control *control_list;
  79     WCHAR name[1];
  80 };
  81
  82 typedef UINT (*msi_dialog_control_func)( msi_dialog *dialog, MSIRECORD *rec );
  83 struct control_handler
  84 {
  85     LPCWSTR control_type;
  86     msi_dialog_control_func func;
  87 };
  88
  89 typedef struct
  90 {
  91     msi_dialog* dialog;
  92     msi_control *parent;
  93     DWORD       attributes;
  94 } radio_button_group_descr;
  95
  96 static UINT msi_dialog_checkbox_handler( msi_dialog *, msi_control *, WPARAM );
  97 static void msi_dialog_checkbox_sync_state( msi_dialog *, msi_control * );
  98 static UINT msi_dialog_button_handler( msi_dialog *, msi_control *, WPARAM );
  99 static UINT msi_dialog_edit_handler( msi_dialog *, msi_control *, WPARAM );
 100 static UINT msi_dialog_radiogroup_handler( msi_dialog *, msi_control *, WPARAM param );
 101 static LRESULT WINAPI MSIRadioGroup_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 102
 103
 104 INT msi_dialog_scale_unit( msi_dialog *dialog, INT val )
 105 {
 106     return (dialog->scale * val + 5) / 10;
 107 }
 108
 109 /*
 110  * msi_dialog_get_style
 111  *
 112  * Extract the {\style} string from the front of the text to display and
 113  *  update the pointer.
 114  */
 115 static LPWSTR msi_dialog_get_style( LPCWSTR *text )
 116 {
 117     LPWSTR ret = NULL;
 118     LPCWSTR p = *text, q;
 119     DWORD len;
 120
 121     if( *p++ != '{' )
 122         return ret;
 123     q = strchrW( p, '}' );
 124     if( !q )
 125         return ret;
 126     *text = ++q;
 127     if( *p++ != '\\' )
 128         return ret;
 129     len = q - p;
 130
 131     ret = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
 132     if( !ret )
 133         return ret;
 134     strncpyW( ret, p, len );
 135     ret[len-1] = 0;
 136     return ret;
 137 }
 138
 139 static UINT msi_dialog_add_font( MSIRECORD *rec, LPVOID param )
 140 {
 141     msi_dialog *dialog = param;
 142     msi_font *font;
 143     LPCWSTR face, name;
 144     LOGFONTW lf;
 145     INT style;
 146     HDC hdc;
 147
 148     /* create a font and add it to the list */
 149     name = MSI_RecordGetString( rec, 1 );
 150     font = HeapAlloc( GetProcessHeap(), 0,
 151                       sizeof *font + strlenW( name )*sizeof (WCHAR) );
 152     strcpyW( font->name, name );
 153     font->next = dialog->font_list;
 154     dialog->font_list = font;
 155
 156     memset( &lf, 0, sizeof lf );
 157     face = MSI_RecordGetString( rec, 2 );
 158     lf.lfHeight = MSI_RecordGetInteger( rec, 3 );
 159     style = MSI_RecordGetInteger( rec, 5 );
 160     if( style & msidbTextStyleStyleBitsBold )
 161         lf.lfWeight = FW_BOLD;
 162     if( style & msidbTextStyleStyleBitsItalic )
 163         lf.lfItalic = TRUE;
 164     if( style & msidbTextStyleStyleBitsUnderline )
 165         lf.lfUnderline = TRUE;
 166     if( style & msidbTextStyleStyleBitsStrike )
 167         lf.lfStrikeOut = TRUE;
 168     lstrcpynW( lf.lfFaceName, face, LF_FACESIZE );
 169
 170     /* adjust the height */
 171     hdc = GetDC( dialog->hwnd );
 172     if (hdc)
 173     {
 174         lf.lfHeight = -MulDiv(lf.lfHeight, GetDeviceCaps(hdc, LOGPIXELSY), 72);
 175         ReleaseDC( dialog->hwnd, hdc );
 176     }
 177
 178     font->hfont = CreateFontIndirectW( &lf );
 179
 180     TRACE("Adding font style %s\n", debugstr_w(font->name) );
 181
 182     return ERROR_SUCCESS;
 183 }
 184
 185 static msi_font *msi_dialog_find_font( msi_dialog *dialog, LPCWSTR name )
 186 {
 187     msi_font *font;
 188
 189     for( font = dialog->font_list; font; font = font->next )
 190         if( !strcmpW( font->name, name ) )  /* FIXME: case sensitive? */
 191             break;
 192
 193     return font;
 194 }
 195
 196 static UINT msi_dialog_set_font( msi_dialog *dialog, HWND hwnd, LPCWSTR name )
 197 {
 198     msi_font *font;
 199
 200     font = msi_dialog_find_font( dialog, name );
 201     if( font )
 202         SendMessageW( hwnd, WM_SETFONT, (WPARAM) font->hfont, TRUE );
 203     else
 204         ERR("No font entry for %s\n", debugstr_w(name));
 205     return ERROR_SUCCESS;
 206 }
 207
 208 static UINT msi_dialog_build_font_list( msi_dialog *dialog )
 209 {
 210     static const WCHAR query[] = {
 211       'S','E','L','E','C','T',' ','*',' ',
 212       'F','R','O','M',' ','`','T','e','x','t','S','t','y','l','e','`',' ',0
 213     };
 214     UINT r;
 215     MSIQUERY *view = NULL;
 216
 217     TRACE("dialog %p\n", dialog );
 218
 219     r = MSI_OpenQuery( dialog->package->db, &view, query );
 220     if( r != ERROR_SUCCESS )
 221         return r;
 222
 223     r = MSI_IterateRecords( view, NULL, msi_dialog_add_font, dialog );
 224     msiobj_release( &view->hdr );
 225
 226     return r;
 227 }
 228
 229 static msi_control *msi_dialog_add_control( msi_dialog *dialog,
 230                 MSIRECORD *rec, LPCWSTR szCls, DWORD style )
 231 {
 232     DWORD x, y, width, height, attributes;
 233     LPCWSTR text, name;
 234     LPWSTR font = NULL, title = NULL;
 235     msi_control *control = NULL;
 236
 237     style |= WS_CHILD | WS_GROUP;
 238
 239     name = MSI_RecordGetString( rec, 2 );
 240     control = HeapAlloc( GetProcessHeap(), 0,
 241                          sizeof *control + strlenW(name)*sizeof(WCHAR) );
 242     strcpyW( control->name, name );
 243     control->next = dialog->control_list;
 244     dialog->control_list = control;
 245     control->handler = NULL;
 246     control->property = NULL;
 247
 248     x = MSI_RecordGetInteger( rec, 4 );
 249     y = MSI_RecordGetInteger( rec, 5 );
 250     width = MSI_RecordGetInteger( rec, 6 );
 251     height = MSI_RecordGetInteger( rec, 7 );
 252     attributes = MSI_RecordGetInteger( rec, 8 );
 253     text = MSI_RecordGetString( rec, 10 );
 254
 255     TRACE("Dialog %s control %s\n", debugstr_w(dialog->name), debugstr_w(text));
 256
 257     x = msi_dialog_scale_unit( dialog, x );
 258     y = msi_dialog_scale_unit( dialog, y );
 259     width = msi_dialog_scale_unit( dialog, width );
 260     height = msi_dialog_scale_unit( dialog, height );
 261
 262     if( attributes & 1 )
 263         style |= WS_VISIBLE;
 264     if( ~attributes & 2 )
 265         style |= WS_DISABLED;
 266     if( text )
 267     {
 268         font = msi_dialog_get_style( &text );
 269         deformat_string( dialog->package, text, &title );
 270     }
 271     control->hwnd = CreateWindowW( szCls, title, style,
 272                           x, y, width, height, dialog->hwnd, NULL, NULL, NULL );
 273     msi_dialog_set_font( dialog, control->hwnd,
 274                          font ? font : dialog->default_font );
 275     HeapFree( GetProcessHeap(), 0, font );
 276     HeapFree( GetProcessHeap(), 0, title );
 277     return control;
 278 }
 279
 280 static UINT msi_dialog_text_control( msi_dialog *dialog, MSIRECORD *rec )
 281 {
 282     TRACE("%p %p\n", dialog, rec);
 283
 284     msi_dialog_add_control( dialog, rec, szStatic, 0 );
 285     return ERROR_SUCCESS;
 286 }
 287
 288 static UINT msi_dialog_button_control( msi_dialog *dialog, MSIRECORD *rec )
 289 {
 290     msi_control *control;
 291
 292     TRACE("%p %p\n", dialog, rec);
 293
 294     control = msi_dialog_add_control( dialog, rec, szButton, 0 );
 295     control->handler = msi_dialog_button_handler;
 296
 297     return ERROR_SUCCESS;
 298 }
 299
 300 static UINT msi_dialog_checkbox_control( msi_dialog *dialog, MSIRECORD *rec )
 301 {
 302     msi_control *control;
 303     LPCWSTR prop;
 304
 305     TRACE("%p %p\n", dialog, rec);
 306
 307     control = msi_dialog_add_control( dialog, rec, szButton,
 308                                       BS_CHECKBOX | BS_MULTILINE );
 309     control->handler = msi_dialog_checkbox_handler;
 310     prop = MSI_RecordGetString( rec, 9 );
 311     if( prop )
 312         control->property = dupstrW( prop );
 313     msi_dialog_checkbox_sync_state( dialog, control );
 314
 315     return ERROR_SUCCESS;
 316 }
 317
 318 static UINT msi_dialog_line_control( msi_dialog *dialog, MSIRECORD *rec )
 319 {
 320     TRACE("%p %p\n", dialog, rec);
 321
 322     msi_dialog_add_control( dialog, rec, szStatic, SS_ETCHEDHORZ | SS_SUNKEN );
 323     return ERROR_SUCCESS;
 324 }
 325
 326 static UINT msi_dialog_scrolltext_control( msi_dialog *dialog, MSIRECORD *rec )
 327 {
 328     const static WCHAR szEdit[] = { 'E','D','I','T',0 };
 329
 330     TRACE("%p %p\n", dialog, rec);
 331
 332     msi_dialog_add_control( dialog, rec, szEdit, WS_BORDER |
 333                  ES_MULTILINE | WS_VSCROLL | ES_READONLY | ES_AUTOVSCROLL );
 334
 335     return ERROR_SUCCESS;
 336 }
 337
 338 static UINT msi_dialog_bitmap_control( msi_dialog *dialog, MSIRECORD *rec )
 339 {
 340     TRACE("%p %p\n", dialog, rec);
 341
 342     msi_dialog_add_control( dialog, rec, szStatic,
 343                             SS_BITMAP | SS_LEFT | SS_CENTERIMAGE );
 344     return ERROR_SUCCESS;
 345 }
 346
 347 static UINT msi_dialog_combo_control( msi_dialog *dialog, MSIRECORD *rec )
 348 {
 349     static const WCHAR szCombo[] = { 'C','O','M','B','O','B','O','X',0 };
 350
 351     msi_dialog_add_control( dialog, rec, szCombo,
 352                             SS_BITMAP | SS_LEFT | SS_CENTERIMAGE );
 353     return ERROR_SUCCESS;
 354 }
 355
 356 static UINT msi_dialog_edit_control( msi_dialog *dialog, MSIRECORD *rec )
 357 {
 358     const static WCHAR szEdit[] = { 'E','D','I','T',0 };
 359     msi_control *control;
 360     LPCWSTR prop;
 361     LPWSTR val;
 362
 363     control = msi_dialog_add_control( dialog, rec, szEdit, WS_BORDER );
 364     control->handler = msi_dialog_edit_handler;
 365     prop = MSI_RecordGetString( rec, 9 );
 366     if( prop )
 367         control->property = dupstrW( prop );
 368     val = load_dynamic_property( dialog->package, control->property, NULL );
 369     SetWindowTextW( control->hwnd, val );
 370     HeapFree( GetProcessHeap(), 0, val );
 371     return ERROR_SUCCESS;
 372 }
 373
 374 static UINT msi_dialog_pathedit_control( msi_dialog *dialog, MSIRECORD *rec )
 375 {
 376     FIXME("not implemented properly\n");
 377     return msi_dialog_edit_control( dialog, rec );
 378 }
 379
 380 static UINT msi_dialog_create_radiobutton( MSIRECORD *rec, LPVOID param )
 381 {
 382     radio_button_group_descr *group = (radio_button_group_descr *)param;
 383     msi_dialog *dialog = group->dialog;
 384     msi_control *control;
 385     LPCWSTR prop;
 386     DWORD x, y, width, height, style;
 387     DWORD attributes = group->attributes;
 388     LPCWSTR text, name;
 389     LPWSTR font = NULL, title = NULL;
 390
 391     style = WS_CHILD | BS_AUTORADIOBUTTON | BS_MULTILINE;
 392     name = MSI_RecordGetString( rec, 3 );
 393     control = HeapAlloc( GetProcessHeap(), 0,
 394                          sizeof *control + strlenW(name)*sizeof(WCHAR) );
 395     strcpyW( control->name, name );
 396     control->next = dialog->control_list;
 397     dialog->control_list = control;
 398
 399     x = MSI_RecordGetInteger( rec, 4 );
 400     y = MSI_RecordGetInteger( rec, 5 );
 401     width = MSI_RecordGetInteger( rec, 6 );
 402     height = MSI_RecordGetInteger( rec, 7 );
 403     text = MSI_RecordGetString( rec, 8 );
 404
 405     x = msi_dialog_scale_unit( dialog, x );
 406     y = msi_dialog_scale_unit( dialog, y );
 407     width = msi_dialog_scale_unit( dialog, width );
 408     height = msi_dialog_scale_unit( dialog, height );
 409
 410     if( attributes & 1 )
 411         style |= WS_VISIBLE;
 412     if( ~attributes & 2 )
 413         style |= WS_DISABLED;
 414
 415     if( text )
 416     {
 417         font = msi_dialog_get_style( &text );
 418         deformat_string( dialog->package, text, &title );
 419     }
 420
 421     control->hwnd = CreateWindowW( szButton, title, style, x, y, width, height,
 422         group->parent->hwnd, NULL, NULL, NULL );
 423
 424     TRACE("Dialog %s control %s hwnd %p\n", debugstr_w(dialog->name), debugstr_w(text), control->hwnd);
 425
 426     msi_dialog_set_font( dialog, control->hwnd,
 427             font ? font : dialog->default_font );
 428
 429     HeapFree( GetProcessHeap(), 0, font );
 430     HeapFree( GetProcessHeap(), 0, title );
 431
 432     control->handler = msi_dialog_radiogroup_handler;
 433
 434     prop = MSI_RecordGetString( rec, 1 );
 435     if( prop )
 436         control->property = dupstrW( prop );
 437
 438     return ERROR_SUCCESS;
 439 }
 440
 441 static UINT msi_dialog_radiogroup_control( msi_dialog *dialog, MSIRECORD *rec )
 442 {
 443     static const WCHAR query[] = {
 444         'S','E','L','E','C','T',' ','*',' ',
 445         'F','R','O','M',' ','R','a','d','i','o','B','u','t','t','o','n',' ',
 446         'W','H','E','R','E',' ',
 447            '`','P','r','o','p','e','r','t','y','`',' ','=',' ','\'','%','s','\'',0};
 448     UINT r;
 449     LPCWSTR prop;
 450     msi_control *control;
 451     MSIQUERY *view = NULL;
 452     radio_button_group_descr group;
 453     MSIPACKAGE *package = dialog->package;
 454
 455     prop = MSI_RecordGetString( rec, 9 );
 456
 457     TRACE("%p %p %s\n", dialog, rec, debugstr_w( prop ));
 458
 459     /* Create parent group box to hold radio buttons */
 460     control = msi_dialog_add_control( dialog, rec, szButton, BS_OWNERDRAW );
 461
 462     if (control->hwnd)
 463     {
 464         WNDPROC oldproc = (WNDPROC) SetWindowLongPtrW(control->hwnd, GWLP_WNDPROC,
 465             (LONG_PTR)MSIRadioGroup_WndProc);
 466         SetPropW(control->hwnd, szButtonData, oldproc);
 467     }
 468
 469     if( prop )
 470         control->property = dupstrW( prop );
 471
 472     /* query the Radio Button table for all control in this group */
 473     r = MSI_OpenQuery( package->db, &view, query, prop );
 474     if( r != ERROR_SUCCESS )
 475     {
 476         ERR("query failed for dialog %s radio group %s\n",
 477             debugstr_w(dialog->name), debugstr_w(prop));
 478         return ERROR_INVALID_PARAMETER;
 479     }
 480
 481     group.dialog = dialog;
 482     group.parent = control;
 483     group.attributes = MSI_RecordGetInteger( rec, 8 );
 484
 485     r = MSI_IterateRecords( view, 0, msi_dialog_create_radiobutton, &group );
 486     msiobj_release( &view->hdr );
 487
 488     return r;
 489 }
 490
 491 static const WCHAR szText[] = { 'T','e','x','t',0 };
 492 static const WCHAR szPushButton[] = { 'P','u','s','h','B','u','t','t','o','n',0 };
 493 static const WCHAR szLine[] = { 'L','i','n','e',0 };
 494 static const WCHAR szBitmap[] = { 'B','i','t','m','a','p',0 };
 495 static const WCHAR szCheckBox[] = { 'C','h','e','c','k','B','o','x',0 };
 496 static const WCHAR szScrollableText[] = {
 497     'S','c','r','o','l','l','a','b','l','e','T','e','x','t',0 };
 498 static const WCHAR szComboBox[] = { 'C','o','m','b','o','B','o','x',0 };
 499 static const WCHAR szEdit[] = { 'E','d','i','t',0 };
 500 static const WCHAR szMaskedEdit[] = { 'M','a','s','k','e','d','E','d','i','t',0 };
 501 static const WCHAR szPathEdit[] = { 'P','a','t','h','E','d','i','t',0 };
 502 static const WCHAR szRadioButtonGroup[] = {
 503     'R','a','d','i','o','B','u','t','t','o','n','G','r','o','u','p',0 };
 504
 505 struct control_handler msi_dialog_handler[] =
 506 {
 507     { szText, msi_dialog_text_control },
 508     { szPushButton, msi_dialog_button_control },
 509     { szLine, msi_dialog_line_control },
 510     { szBitmap, msi_dialog_bitmap_control },
 511     { szCheckBox, msi_dialog_checkbox_control },
 512     { szScrollableText, msi_dialog_scrolltext_control },
 513     { szComboBox, msi_dialog_combo_control },
 514     { szEdit, msi_dialog_edit_control },
 515     { szMaskedEdit, msi_dialog_edit_control },
 516     { szPathEdit, msi_dialog_pathedit_control },
 517     { szRadioButtonGroup, msi_dialog_radiogroup_control },
 518 };
 519
 520 #define NUM_CONTROL_TYPES (sizeof msi_dialog_handler/sizeof msi_dialog_handler[0])
 521
 522 static UINT msi_dialog_create_controls( MSIRECORD *rec, LPVOID param )
 523 {
 524     msi_dialog *dialog = param;
 525     LPCWSTR control_type;
 526     UINT i;
 527
 528     /* find and call the function that can create this type of control */
 529     control_type = MSI_RecordGetString( rec, 3 );
 530     for( i=0; i<NUM_CONTROL_TYPES; i++ )
 531         if (!strcmpiW( msi_dialog_handler[i].control_type, control_type ))
 532             break;
 533     if( i != NUM_CONTROL_TYPES )
 534         msi_dialog_handler[i].func( dialog, rec );
 535     else
 536         ERR("no handler for element type %s\n", debugstr_w(control_type));
 537
 538     return ERROR_SUCCESS;
 539 }
 540
 541 static UINT msi_dialog_fill_controls( msi_dialog *dialog )
 542 {
 543     static const WCHAR query[] = {
 544         'S','E','L','E','C','T',' ','*',' ',
 545         'F','R','O','M',' ','C','o','n','t','r','o','l',' ',
 546         'W','H','E','R','E',' ',
 547            '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',0};
 548     UINT r;
 549     MSIQUERY *view = NULL;
 550     MSIPACKAGE *package = dialog->package;
 551
 552     TRACE("%p %s\n", dialog, debugstr_w(dialog->name) );
 553
 554     /* query the Control table for all the elements of the control */
 555     r = MSI_OpenQuery( package->db, &view, query, dialog->name );
 556     if( r != ERROR_SUCCESS )
 557     {
 558         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
 559         return ERROR_INVALID_PARAMETER;
 560     }
 561
 562     r = MSI_IterateRecords( view, 0, msi_dialog_create_controls, dialog );
 563     msiobj_release( &view->hdr );
 564
 565     return r;
 566 }
 567
 568 static msi_control *msi_dialog_find_control( msi_dialog *dialog, LPCWSTR name )
 569 {
 570     msi_control *control;
 571
 572     for( control = dialog->control_list; control; control = control->next )
 573         if( !strcmpW( control->name, name ) ) /* FIXME: case sensitive? */
 574             break;
 575     return control;
 576 }
 577
 578 static msi_control *msi_dialog_find_control_by_hwnd( msi_dialog *dialog, HWND hwnd )
 579 {
 580     msi_control *control;
 581
 582     for( control = dialog->control_list; control; control = control->next )
 583         if( hwnd == control->hwnd )
 584             break;
 585     return control;
 586 }
 587
 588 static UINT msi_dialog_set_control_condition( MSIRECORD *rec, LPVOID param )
 589 {
 590     static const WCHAR szHide[] = { 'H','i','d','e',0 };
 591     static const WCHAR szShow[] = { 'S','h','o','w',0 };
 592     static const WCHAR szDisable[] = { 'D','i','s','a','b','l','e',0 };
 593     static const WCHAR szEnable[] = { 'E','n','a','b','l','e',0 };
 594     msi_dialog *dialog = param;
 595     msi_control *control;
 596     LPCWSTR name, action, condition;
 597     UINT r;
 598
 599     name = MSI_RecordGetString( rec, 2 );
 600     action = MSI_RecordGetString( rec, 3 );
 601     condition = MSI_RecordGetString( rec, 4 );
 602     r = MSI_EvaluateConditionW( dialog->package, condition );
 603     control = msi_dialog_find_control( dialog, name );
 604     if( r && control )
 605     {
 606         TRACE("%s control %s\n", debugstr_w(action), debugstr_w(name));
 607
 608         /* FIXME: case sensitive? */
 609         if(!strcmpW(action, szHide))
 610             ShowWindow(control->hwnd, SW_HIDE);
 611         else if(!strcmpW(action, szShow))
 612             ShowWindow(control->hwnd, SW_SHOW);
 613         else if(!strcmpW(action, szDisable))
 614             EnableWindow(control->hwnd, FALSE);
 615         else if(!strcmpW(action, szEnable))
 616             EnableWindow(control->hwnd, TRUE);
 617         else
 618             FIXME("Unhandled action %s\n", debugstr_w(action));
 619     }
 620
 621     return ERROR_SUCCESS;
 622 }
 623
 624 static UINT msi_dialog_evaluate_control_conditions( msi_dialog *dialog )
 625 {
 626     static const WCHAR query[] = {
 627       'S','E','L','E','C','T',' ','*',' ',
 628       'F','R','O','M',' ',
 629         'C','o','n','t','r','o','l','C','o','n','d','i','t','i','o','n',' ',
 630       'W','H','E','R','E',' ',
 631         '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',0
 632     };
 633     UINT r;
 634     MSIQUERY *view = NULL;
 635     MSIPACKAGE *package = dialog->package;
 636
 637     TRACE("%p %s\n", dialog, debugstr_w(dialog->name) );
 638
 639     /* query the Control table for all the elements of the control */
 640     r = MSI_OpenQuery( package->db, &view, query, dialog->name );
 641     if( r != ERROR_SUCCESS )
 642     {
 643         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
 644         return ERROR_INVALID_PARAMETER;
 645     }
 646
 647     r = MSI_IterateRecords( view, 0, msi_dialog_set_control_condition, dialog );
 648     msiobj_release( &view->hdr );
 649
 650     return r;
 651 }
 652
 653 /* figure out the height of 10 point MS Sans Serif */
 654 static INT msi_dialog_get_sans_serif_height( HWND hwnd )
 655 {
 656     static const WCHAR szSansSerif[] = {
 657         'M','S',' ','S','a','n','s',' ','S','e','r','i','f',0 };
 658     LOGFONTW lf;
 659     TEXTMETRICW tm;
 660     BOOL r;
 661     LONG height = 0;
 662     HFONT hFont, hOldFont;
 663     HDC hdc;
 664
 665     hdc = GetDC( hwnd );
 666     if (hdc)
 667     {
 668         memset( &lf, 0, sizeof lf );
 669         lf.lfHeight = MulDiv(10, GetDeviceCaps(hdc, LOGPIXELSY), 72);
 670         strcpyW( lf.lfFaceName, szSansSerif );
 671         hFont = CreateFontIndirectW(&lf);
 672         if (hFont)
 673         {
 674             hOldFont = SelectObject( hdc, hFont );
 675             r = GetTextMetricsW( hdc, &tm );
 676             if (r)
 677                 height = tm.tmHeight;
 678             SelectObject( hdc, hOldFont );
 679             DeleteObject( hFont );
 680         }
 681         ReleaseDC( hwnd, hdc );
 682     }
 683     return height;
 684 }
 685
 686 static LRESULT msi_dialog_oncreate( HWND hwnd, LPCREATESTRUCTW cs )
 687 {
 688     static const WCHAR query[] = {
 689         'S','E','L','E','C','T',' ','*',' ',
 690         'F','R','O','M',' ','D','i','a','l','o','g',' ',
 691         'W','H','E','R','E',' ',
 692            '`','D','i','a','l','o','g','`',' ','=',' ','\'','%','s','\'',0};
 693     static const WCHAR df[] = {
 694         'D','e','f','a','u','l','t','U','I','F','o','n','t',0 };
 695     msi_dialog *dialog = (msi_dialog*) cs->lpCreateParams;
 696     MSIPACKAGE *package = dialog->package;
 697     MSIQUERY *view = NULL;
 698     MSIRECORD *rec = NULL;
 699     DWORD width, height;
 700     LPCWSTR text;
 701     LPWSTR title = NULL;
 702     UINT r;
 703
 704     TRACE("%p %p\n", dialog, package);
 705
 706     dialog->hwnd = hwnd;
 707     SetWindowLongPtrW( hwnd, GWLP_USERDATA, (LONG_PTR) dialog );
 708
 709     /* fetch the associated record from the Dialog table */
 710     r = MSI_OpenQuery( package->db, &view, query, dialog->name );
 711     if( r != ERROR_SUCCESS )
 712     {
 713         ERR("query failed for dialog %s\n", debugstr_w(dialog->name));
 714         return -1;
 715     }
 716     MSI_ViewExecute( view, NULL );
 717     MSI_ViewFetch( view, &rec );
 718     MSI_ViewClose( view );
 719     msiobj_release( &view->hdr );
 720
 721     if( !rec )
 722     {
 723         TRACE("No record found for dialog %s\n", debugstr_w(dialog->name));
 724         return -1;
 725     }
 726
 727     dialog->scale = msi_dialog_get_sans_serif_height(dialog->hwnd);
 728
 729     width = MSI_RecordGetInteger( rec, 4 );
 730     height = MSI_RecordGetInteger( rec, 5 );
 731     dialog->attributes = MSI_RecordGetInteger( rec, 6 );
 732     text = MSI_RecordGetString( rec, 7 );
 733
 734     width = msi_dialog_scale_unit( dialog, width );
 735     height = msi_dialog_scale_unit( dialog, height ) + 25; /* FIXME */
 736
 737     dialog->default_font = load_dynamic_property( dialog->package, df, NULL );
 738
 739     deformat_string( dialog->package, text, &title );
 740     SetWindowTextW( hwnd, title );
 741     SetWindowPos( hwnd, 0, 0, 0, width, height,
 742                   SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOREDRAW );
 743
 744     HeapFree( GetProcessHeap(), 0, title );
 745     msiobj_release( &rec->hdr );
 746
 747     msi_dialog_build_font_list( dialog );
 748     msi_dialog_fill_controls( dialog );
 749     msi_dialog_evaluate_control_conditions( dialog );
 750
 751     return 0;
 752 }
 753
 754 static UINT msi_dialog_send_event( msi_dialog *dialog, LPCWSTR event, LPCWSTR arg )
 755 {
 756     LPWSTR event_fmt = NULL, arg_fmt = NULL;
 757
 758     TRACE("Sending control event %s %s\n", debugstr_w(event), debugstr_w(arg));
 759
 760     deformat_string( dialog->package, event, &event_fmt );
 761     deformat_string( dialog->package, arg, &arg_fmt );
 762
 763     dialog->event_handler( dialog->package, event_fmt, arg_fmt, dialog );
 764
 765     HeapFree( GetProcessHeap(), 0, event_fmt );
 766     HeapFree( GetProcessHeap(), 0, arg_fmt );
 767
 768     return ERROR_SUCCESS;
 769 }
 770
 771 static UINT msi_dialog_set_property( msi_dialog *dialog, LPCWSTR event, LPCWSTR arg )
 772 {
 773     static const WCHAR szNullArg[] = { '{','}',0 };
 774     LPWSTR p, prop, arg_fmt = NULL;
 775     UINT len;
 776
 777     len = strlenW(event);
 778     prop = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR));
 779     strcpyW( prop, &event[1] );
 780     p = strchrW( prop, ']' );
 781     if( p && p[1] == 0 )
 782     {
 783         *p = 0;
 784         if( strcmpW( szNullArg, arg ) )
 785             deformat_string( dialog->package, arg, &arg_fmt );
 786         MSI_SetPropertyW( dialog->package, prop, arg_fmt );
 787     }
 788     else
 789         ERR("Badly formatted property string - what happens?\n");
 790     HeapFree( GetProcessHeap(), 0, prop );
 791     return ERROR_SUCCESS;
 792 }
 793
 794 static UINT msi_dialog_control_event( MSIRECORD *rec, LPVOID param )
 795 {
 796     msi_dialog *dialog = param;
 797     LPCWSTR condition, event, arg;
 798     UINT r;
 799
 800     condition = MSI_RecordGetString( rec, 5 );
 801     r = MSI_EvaluateConditionW( dialog->package, condition );
 802     if( r )
 803     {
 804         event = MSI_RecordGetString( rec, 3 );
 805         arg = MSI_RecordGetString( rec, 4 );
 806         if( event[0] == '[' )
 807             msi_dialog_set_property( dialog, event, arg );
 808         else
 809             msi_dialog_send_event( dialog, event, arg );
 810     }
 811
 812     return ERROR_SUCCESS;
 813 }
 814
 815 static UINT msi_dialog_button_handler( msi_dialog *dialog,
 816                                        msi_control *control, WPARAM param )
 817 {
 818     static const WCHAR query[] = {
 819       'S','E','L','E','C','T',' ','*',' ',
 820       'F','R','O','M',' ','C','o','n','t','r','o','l','E','v','e','n','t',' ',
 821       'W','H','E','R','E',' ',
 822          '`','D','i','a','l','o','g','_','`',' ','=',' ','\'','%','s','\'',' ',
 823       'A','N','D',' ',
 824          '`','C','o','n','t','r','o','l','_','`',' ','=',' ','\'','%','s','\'',' ',
 825       'O','R','D','E','R',' ','B','Y',' ','`','O','r','d','e','r','i','n','g','`',0
 826     };
 827     MSIQUERY *view = NULL;
 828     UINT r;
 829
 830     if( HIWORD(param) != BN_CLICKED )
 831         return ERROR_SUCCESS;
 832
 833     r = MSI_OpenQuery( dialog->package->db, &view, query,
 834                        dialog->name, control->name );
 835     if( r != ERROR_SUCCESS )
 836     {
 837         ERR("query failed\n");
 838         return 0;
 839     }
 840
 841     r = MSI_IterateRecords( view, 0, msi_dialog_control_event, dialog );
 842     msiobj_release( &view->hdr );
 843
 844     return r;
 845 }
 846
 847 static UINT msi_dialog_get_checkbox_state( msi_dialog *dialog,
 848                 msi_control *control )
 849 {
 850     WCHAR state[2] = { 0 };
 851     DWORD sz = 2;
 852
 853     MSI_GetPropertyW( dialog->package, control->property, state, &sz );
 854     return atoiW( state ) ? 1 : 0;
 855 }
 856
 857 static void msi_dialog_set_checkbox_state( msi_dialog *dialog,
 858                 msi_control *control, UINT state )
 859 {
 860     WCHAR szState[2] = { '0', 0 };
 861
 862     if( state )
 863         szState[0]++;
 864     MSI_SetPropertyW( dialog->package, control->property, szState );
 865 }
 866
 867 static void msi_dialog_checkbox_sync_state( msi_dialog *dialog,
 868                 msi_control *control )
 869 {
 870     UINT state;
 871
 872     state = msi_dialog_get_checkbox_state( dialog, control );
 873     SendMessageW( control->hwnd, BM_SETCHECK,
 874                   state ? BST_CHECKED : BST_UNCHECKED, 0 );
 875 }
 876
 877 static UINT msi_dialog_checkbox_handler( msi_dialog *dialog,
 878                 msi_control *control, WPARAM param )
 879 {
 880     UINT state;
 881
 882     if( HIWORD(param) != BN_CLICKED )
 883         return ERROR_SUCCESS;
 884
 885     TRACE("clicked checkbox %s, set %s\n", debugstr_w(control->name),
 886           debugstr_w(control->property));
 887
 888     state = msi_dialog_get_checkbox_state( dialog, control );
 889     state = state ? 0 : 1;
 890     msi_dialog_set_checkbox_state( dialog, control, state );
 891     msi_dialog_checkbox_sync_state( dialog, control );
 892
 893     return msi_dialog_button_handler( dialog, control, param );
 894 }
 895
 896 static UINT msi_dialog_edit_handler( msi_dialog *dialog,
 897                 msi_control *control, WPARAM param )
 898 {
 899     UINT sz, r;
 900     LPWSTR buf;
 901
 902     if( HIWORD(param) != EN_CHANGE )
 903         return ERROR_SUCCESS;
 904
 905     TRACE("edit %s contents changed, set %s\n", debugstr_w(control->name),
 906           debugstr_w(control->property));
 907
 908     sz = 0x20;
 909     buf = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
 910     while( buf )
 911     {
 912         r = GetWindowTextW( control->hwnd, buf, sz );
 913         if( r < (sz-1) )
 914             break;
 915             sz *= 2;
 916         buf = HeapReAlloc( GetProcessHeap(), 0, buf, sz*sizeof(WCHAR) );
 917     }
 918
 919     MSI_SetPropertyW( dialog->package, control->property, buf );
 920
 921     HeapFree( GetProcessHeap(), 0, buf );
 922
 923     return ERROR_SUCCESS;
 924 }
 925
 926 static UINT msi_dialog_radiogroup_handler( msi_dialog *dialog,
 927                 msi_control *control, WPARAM param )
 928 {
 929     if( HIWORD(param) != BN_CLICKED )
 930         return ERROR_SUCCESS;
 931
 932     TRACE("clicked radio button %s, set %s\n", debugstr_w(control->name),
 933           debugstr_w(control->property));
 934
 935     MSI_SetPropertyW( dialog->package, control->property, control->name );
 936
 937     return msi_dialog_button_handler( dialog, control, param );
 938 }
 939
 940 static LRESULT msi_dialog_oncommand( msi_dialog *dialog, WPARAM param, HWND hwnd )
 941 {
 942     msi_control *control;
 943
 944     TRACE("%p %p %08x\n", dialog, hwnd, param);
 945
 946     control = msi_dialog_find_control_by_hwnd( dialog, hwnd );
 947     if( control )
 948     {
 949         if( control->handler )
 950         {
 951             control->handler( dialog, control, param );
 952             msi_dialog_evaluate_control_conditions( dialog );
 953         }
 954     }
 955     else
 956         ERR("button click from nowhere\n");
 957     return 0;
 958 }
 959
 960 static LRESULT WINAPI MSIDialog_WndProc( HWND hwnd, UINT msg,
 961                 WPARAM wParam, LPARAM lParam )
 962 {
 963     msi_dialog *dialog = (LPVOID) GetWindowLongPtrW( hwnd, GWLP_USERDATA );
 964
 965     TRACE(" 0x%04x\n", msg);
 966     switch (msg)
 967     {
 968     case WM_CREATE:
 969         return msi_dialog_oncreate( hwnd, (LPCREATESTRUCTW)lParam );
 970
 971     case WM_COMMAND:
 972         return msi_dialog_oncommand( dialog, wParam, (HWND)lParam );
 973
 974     case WM_DESTROY:
 975         dialog->hwnd = NULL;
 976         return 0;
 977     }
 978     return DefWindowProcW(hwnd, msg, wParam, lParam);
 979 }
 980
 981 /* functions that interface to other modules within MSI */
 982
 983 msi_dialog *msi_dialog_create( MSIPACKAGE* package, LPCWSTR szDialogName,
 984                                 msi_dialog_event_handler event_handler )
 985 {
 986     msi_dialog *dialog;
 987     HWND hwnd;
 988
 989     TRACE("%p %s\n", package, debugstr_w(szDialogName));
 990
 991     /* allocate the structure for the dialog to use */
 992     dialog = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 993                         sizeof *dialog + sizeof(WCHAR)*strlenW(szDialogName) );
 994     if( !dialog )
 995         return NULL;
 996     strcpyW( dialog->name, szDialogName );
 997     dialog->package = package;
 998     dialog->event_handler = event_handler;
 999
1000     /* create the dialog window, don't show it yet */
1001     hwnd = CreateWindowW( szMsiDialogClass, szDialogName, WS_OVERLAPPEDWINDOW,
1002                      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
1003                      NULL, NULL, NULL, dialog );
1004     if( !hwnd )
1005     {
1006         ERR("Failed to create dialog %s\n", debugstr_w( szDialogName ));
1007         msi_dialog_destroy( dialog );
1008         return NULL;
1009     }
1010
1011     return dialog;
1012 }
1013
1014 void msi_dialog_end_dialog( msi_dialog *dialog )
1015 {
1016     dialog->finished = 1;
1017 }
1018
1019 UINT msi_dialog_run_message_loop( msi_dialog *dialog )
1020 {
1021     MSG msg;
1022
1023     if( dialog->attributes & msidbDialogAttributesVisible )
1024     {
1025         ShowWindow( dialog->hwnd, SW_SHOW );
1026         UpdateWindow( dialog->hwnd );
1027     }
1028
1029     if( dialog->attributes & msidbDialogAttributesModal )
1030     {
1031         while( !dialog->finished && GetMessageW( &msg, 0, 0, 0 ) )
1032         {
1033             TranslateMessage( &msg );
1034             DispatchMessageW( &msg );
1035         }
1036     }
1037     else
1038         return ERROR_IO_PENDING;
1039
1040     return ERROR_SUCCESS;
1041 }
1042
1043 void msi_dialog_check_messages( msi_dialog *dialog, HANDLE handle )
1044 {
1045     MSG msg;
1046     DWORD r;
1047
1048     do
1049     {
1050         while( PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ) )
1051         {
1052             TranslateMessage( &msg );
1053             DispatchMessageW( &msg );
1054         }
1055         if( !handle )
1056             break;
1057         r = MsgWaitForMultipleObjects( 1, &handle, 0, INFINITE, QS_ALLEVENTS );
1058     }
1059     while( WAIT_OBJECT_0 != r );
1060 }
1061
1062 void msi_dialog_do_preview( msi_dialog *dialog )
1063 {
1064     dialog->attributes |= msidbDialogAttributesVisible;
1065     dialog->attributes &= ~msidbDialogAttributesModal;
1066     msi_dialog_run_message_loop( dialog );
1067 }
1068
1069 void msi_dialog_destroy( msi_dialog *dialog )
1070 {
1071     if( dialog->hwnd )
1072         ShowWindow( dialog->hwnd, SW_HIDE );
1073
1074     /* destroy the list of controls */
1075     while( dialog->control_list )
1076     {
1077         msi_control *t = dialog->control_list;
1078         dialog->control_list = t->next;
1079         /* leave dialog->hwnd - destroying parent destroys child windows */
1080         HeapFree( GetProcessHeap(), 0, t->property );
1081         HeapFree( GetProcessHeap(), 0, t );
1082     }
1083
1084     /* destroy the list of fonts */
1085     while( dialog->font_list )
1086     {
1087         msi_font *t = dialog->font_list;
1088         dialog->font_list = t->next;
1089         DeleteObject( t->hfont );
1090         HeapFree( GetProcessHeap(), 0, t );
1091     }
1092     HeapFree( GetProcessHeap(), 0, dialog->default_font );
1093
1094     if( dialog->hwnd )
1095         DestroyWindow( dialog->hwnd );
1096
1097     dialog->package = NULL;
1098     HeapFree( GetProcessHeap(), 0, dialog );
1099 }
1100
1101 void msi_dialog_register_class( void )
1102 {
1103     WNDCLASSW cls;
1104
1105     ZeroMemory( &cls, sizeof cls );
1106     cls.lpfnWndProc   = MSIDialog_WndProc;
1107     cls.hInstance     = NULL;
1108     cls.hIcon         = LoadIconW(0, (LPWSTR)IDI_APPLICATION);
1109     cls.hCursor       = LoadCursorW(0, (LPWSTR)IDC_ARROW);
1110     cls.hbrBackground = (HBRUSH)(COLOR_WINDOW);
1111     cls.lpszMenuName  = NULL;
1112     cls.lpszClassName = szMsiDialogClass;
1113
1114     RegisterClassW( &cls );
1115 }
1116
1117 void msi_dialog_unregister_class( void )
1118 {
1119     UnregisterClassW( szMsiDialogClass, NULL );
1120 }
1121
1122 static LRESULT WINAPI MSIRadioGroup_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1123 {
1124     WNDPROC oldproc = (WNDPROC) GetPropW(hWnd, szButtonData);
1125
1126     TRACE("hWnd %p msg %04x wParam 0x%08x lParam 0x%08lx\n", hWnd, msg, wParam, lParam);
1127
1128     if (msg == WM_COMMAND) /* Forward notifications to dialog */
1129         SendMessageW(GetParent(hWnd), msg, wParam, lParam);
1130
1131     return CallWindowProcW(oldproc, hWnd, msg, wParam, lParam);
1132 }