dlls/sane.ds/ui.c

   1 /*
   2 * TWAIN32 Options UI
   3 *
   4 * Copyright 2006 CodeWeavers, Aric Stewart
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19 */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26
  27 #define NONAMELESSUNION
  28 #define NONAMELESSSTRUCT
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "winnls.h"
  33 #include "wingdi.h"
  34 #include "prsht.h"
  35 #include "twain.h"
  36 #include "sane_i.h"
  37 #include "wine/debug.h"
  38 #include "resource.h"
  39
  40 #ifdef SONAME_LIBSANE
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(twain);
  43
  44 #define ID_BASE 0x100
  45 #define ID_EDIT_BASE 0x1000
  46 #define ID_STATIC_BASE 0x2000
  47
  48 static INT_PTR CALLBACK DialogProc (HWND , UINT , WPARAM , LPARAM );
  49 static INT CALLBACK PropSheetProc(HWND, UINT,LPARAM);
  50
  51 static int create_leading_static(HDC hdc, LPCSTR text,
  52         LPDLGITEMTEMPLATEW* template_out, int y, int id)
  53 {
  54     LPDLGITEMTEMPLATEW tpl =  NULL;
  55     INT len;
  56     SIZE size;
  57     LPBYTE ptr;
  58     LONG base;
  59
  60     *template_out = NULL;
  61
  62     if (!text)
  63         return 0;
  64
  65     base = GetDialogBaseUnits();
  66
  67     len = MultiByteToWideChar(CP_ACP,0,text,-1,NULL,0);
  68     len *= sizeof(WCHAR);
  69     len += sizeof(DLGITEMTEMPLATE);
  70     len += 3*sizeof(WORD);
  71
  72     tpl = HeapAlloc(GetProcessHeap(),0,len);
  73     tpl->style=WS_VISIBLE;
  74     tpl->dwExtendedStyle = 0;
  75     tpl->x = 4;
  76     tpl->y = y;
  77     tpl->id = ID_BASE;
  78
  79     GetTextExtentPoint32A(hdc,text,lstrlenA(text),&size);
  80
  81     tpl->cx =  MulDiv(size.cx,4,LOWORD(base));
  82     tpl->cy =  MulDiv(size.cy,8,HIWORD(base)) * 2;
  83     ptr = (LPBYTE)tpl + sizeof(DLGITEMTEMPLATE);
  84     *(LPWORD)ptr = 0xffff;
  85     ptr += sizeof(WORD);
  86     *(LPWORD)ptr = 0x0082;
  87     ptr += sizeof(WORD);
  88     ptr += MultiByteToWideChar(CP_ACP,0,text,-1,(LPWSTR)ptr,len) * sizeof(WCHAR);
  89     *(LPWORD)ptr = 0x0000;
  90
  91     *template_out = tpl;
  92     return len;
  93 }
  94
  95 static int create_trailing_edit(HDC hdc, LPDLGITEMTEMPLATEW* template_out, int id,
  96         int y, LPCSTR text,BOOL is_int)
  97 {
  98     LPDLGITEMTEMPLATEW tpl =  NULL;
  99     INT len;
 100     LPBYTE ptr;
 101     SIZE size;
 102     LONG base;
 103     static const char int_base[] = "0000 xxx";
 104     static const char float_base[] = "0000.0000 xxx";
 105
 106     base = GetDialogBaseUnits();
 107
 108     len = MultiByteToWideChar(CP_ACP,0,text,-1,NULL,0);
 109     len *= sizeof(WCHAR);
 110     len += sizeof(DLGITEMTEMPLATE);
 111     len += 3*sizeof(WORD);
 112
 113     tpl = HeapAlloc(GetProcessHeap(),0,len);
 114     tpl->style=WS_VISIBLE|ES_READONLY|WS_BORDER;
 115     tpl->dwExtendedStyle = 0;
 116     tpl->x = 1;
 117     tpl->y = y;
 118     tpl->id = id;
 119
 120     if (is_int)
 121         GetTextExtentPoint32A(hdc,int_base,lstrlenA(int_base),&size);
 122     else
 123         GetTextExtentPoint32A(hdc,float_base,lstrlenA(float_base),&size);
 124
 125     tpl->cx =  MulDiv(size.cx*2,4,LOWORD(base));
 126     tpl->cy =  MulDiv(size.cy,8,HIWORD(base)) * 2;
 127
 128     ptr = (LPBYTE)tpl + sizeof(DLGITEMTEMPLATE);
 129     *(LPWORD)ptr = 0xffff;
 130     ptr += sizeof(WORD);
 131     *(LPWORD)ptr = 0x0081;
 132     ptr += sizeof(WORD);
 133     ptr += MultiByteToWideChar(CP_ACP,0,text,-1,(LPWSTR)ptr,len) * sizeof(WCHAR);
 134     *(LPWORD)ptr = 0x0000;
 135
 136     *template_out = tpl;
 137     return len;
 138 }
 139
 140
 141 static int create_item(HDC hdc, const SANE_Option_Descriptor *opt,
 142         INT id, LPDLGITEMTEMPLATEW *template_out, int y, int *cx, int* count)
 143 {
 144     LPDLGITEMTEMPLATEW tpl = NULL,rc = NULL;
 145     WORD class = 0xffff;
 146     DWORD styles = WS_VISIBLE;
 147     LPBYTE ptr = NULL;
 148     LPDLGITEMTEMPLATEW lead_static = NULL;
 149     LPDLGITEMTEMPLATEW trail_edit = NULL;
 150     DWORD leading_len = 0;
 151     DWORD trail_len = 0;
 152     DWORD local_len = 0;
 153     LPCSTR title = NULL;
 154     CHAR buffer[255];
 155     int padding = 0;
 156     int padding2 = 0;
 157     int base_x = 0;
 158     LONG base;
 159     int ctl_cx = 0;
 160     SIZE size;
 161
 162     GetTextExtentPoint32A(hdc,"X",1,&size);
 163     base = GetDialogBaseUnits();
 164     base_x = MulDiv(size.cx,4,LOWORD(base));
 165
 166     if (opt->type == SANE_TYPE_BOOL)
 167     {
 168         class = 0x0080; /* Button */
 169         styles |= BS_AUTOCHECKBOX;
 170         local_len += MultiByteToWideChar(CP_ACP,0,opt->title,-1,NULL,0);
 171         local_len *= sizeof(WCHAR);
 172         title = opt->title;
 173     }
 174     else if (opt->type == SANE_TYPE_INT)
 175     {
 176         SANE_Int i;
 177
 178         psane_control_option(activeDS.deviceHandle, id-ID_BASE,
 179                 SANE_ACTION_GET_VALUE, &i,NULL);
 180
 181         sprintf(buffer,"%i",i);
 182
 183         if (opt->constraint_type == SANE_CONSTRAINT_NONE)
 184         {
 185             class = 0x0081; /* Edit*/
 186             styles |= ES_NUMBER;
 187             title = buffer;
 188             local_len += MultiByteToWideChar(CP_ACP,0,title,-1,NULL,0);
 189             local_len *= sizeof(WCHAR);
 190         }
 191         else if (opt->constraint_type == SANE_CONSTRAINT_RANGE)
 192         {
 193             class = 0x0084; /* scroll */
 194             ctl_cx = 10 * base_x;
 195             trail_len += create_trailing_edit(hdc, &trail_edit, id +
 196                     ID_EDIT_BASE, y,buffer,TRUE);
 197         }
 198         else
 199         {
 200             class= 0x0085; /* Combo */
 201             ctl_cx = 10 * base_x;
 202             styles |= CBS_DROPDOWNLIST;
 203         }
 204         leading_len += create_leading_static(hdc, opt->title, &lead_static, y,
 205                 id+ID_STATIC_BASE);
 206     }
 207     else if (opt->type == SANE_TYPE_FIXED)
 208     {
 209         SANE_Fixed *i;
 210         double dd;
 211
 212         i = HeapAlloc(GetProcessHeap(),0,opt->size*sizeof(SANE_Word));
 213
 214         psane_control_option(activeDS.deviceHandle, id-ID_BASE,
 215                 SANE_ACTION_GET_VALUE, i, NULL);
 216
 217         dd = SANE_UNFIX(*i);
 218         sprintf(buffer,"%f",dd);
 219         HeapFree(GetProcessHeap(),0,i);
 220
 221         if (opt->constraint_type == SANE_CONSTRAINT_NONE)
 222         {
 223             class = 0x0081; /* Edit */
 224             title = buffer;
 225             local_len += MultiByteToWideChar(CP_ACP,0,title,-1,NULL,0);
 226             local_len *= sizeof(WCHAR);
 227         }
 228         else if (opt->constraint_type == SANE_CONSTRAINT_RANGE)
 229         {
 230             class= 0x0084; /* scroll */
 231             ctl_cx = 10 * base_x;
 232             trail_len += create_trailing_edit(hdc, &trail_edit, id +
 233                     ID_EDIT_BASE, y,buffer,FALSE);
 234         }
 235         else
 236         {
 237             class= 0x0085; /* Combo */
 238             ctl_cx = 10 * base_x;
 239             styles |= CBS_DROPDOWNLIST;
 240         }
 241         leading_len += create_leading_static(hdc, opt->title, &lead_static, y,
 242                 id+ID_STATIC_BASE);
 243     }
 244     else if (opt->type == SANE_TYPE_STRING)
 245     {
 246         if (opt->constraint_type == SANE_CONSTRAINT_NONE)
 247         {
 248             class = 0x0081; /* Edit*/
 249         }
 250         else
 251         {
 252             class= 0x0085; /* Combo */
 253             ctl_cx = opt->size * base_x;
 254             styles |= CBS_DROPDOWNLIST;
 255         }
 256         leading_len += create_leading_static(hdc, opt->title, &lead_static, y,
 257                 id+ID_STATIC_BASE);
 258         psane_control_option(activeDS.deviceHandle, id-ID_BASE,
 259                 SANE_ACTION_GET_VALUE, buffer,NULL);
 260
 261         title = buffer;
 262         local_len += MultiByteToWideChar(CP_ACP,0,title,-1,NULL,0);
 263         local_len *= sizeof(WCHAR);
 264     }
 265     else if (opt->type == SANE_TYPE_BUTTON)
 266     {
 267         class = 0x0080; /* Button */
 268         local_len += MultiByteToWideChar(CP_ACP,0,opt->title,-1,NULL,0);
 269         local_len *= sizeof(WCHAR);
 270         title = opt->title;
 271     }
 272     else if (opt->type == SANE_TYPE_GROUP)
 273     {
 274         class = 0x0080; /* Button */
 275         styles |= BS_GROUPBOX;
 276         local_len += MultiByteToWideChar(CP_ACP,0,opt->title,-1,NULL,0);
 277         local_len *= sizeof(WCHAR);
 278         title = opt->title;
 279     }
 280
 281     local_len += sizeof(DLGITEMTEMPLATE);
 282     if (title)
 283         local_len += 3*sizeof(WORD);
 284     else
 285         local_len += 4*sizeof(WORD);
 286
 287     if (lead_static)
 288     {
 289         padding = leading_len % sizeof(DWORD);
 290         rc = HeapReAlloc(GetProcessHeap(),0,lead_static,leading_len+local_len + padding);
 291         tpl = (LPDLGITEMTEMPLATEW)((LPBYTE)rc + leading_len + padding);
 292     }
 293     else
 294         rc = tpl = HeapAlloc(GetProcessHeap(),0,local_len);
 295
 296     tpl->style=styles;
 297     tpl->dwExtendedStyle = 0;
 298     if (lead_static)
 299         tpl->x = lead_static->x + lead_static->cx + 1;
 300     else if (opt->type == SANE_TYPE_GROUP)
 301         tpl->x = 2;
 302     else
 303         tpl->x = 4;
 304     tpl->y = y;
 305     tpl->id = id;
 306
 307     if (title)
 308     {
 309         GetTextExtentPoint32A(hdc,title,lstrlenA(title),&size);
 310         tpl->cx = size.cx;
 311         tpl->cy = size.cy;
 312     }
 313     else
 314     {
 315         if (lead_static)
 316             tpl->cy = lead_static->cy;
 317         else
 318             tpl->cy = 15;
 319
 320         if (!ctl_cx)
 321             ctl_cx = 15;
 322
 323         tpl->cx = ctl_cx;
 324     }
 325     ptr = (LPBYTE)tpl + sizeof(DLGITEMTEMPLATE);
 326     *(LPWORD)ptr = 0xffff;
 327     ptr += sizeof(WORD);
 328     *(LPWORD)ptr = class;
 329     ptr += sizeof(WORD);
 330     if (title)
 331     {
 332         ptr += MultiByteToWideChar(CP_ACP,0,title,-1,(LPWSTR)ptr,local_len) * sizeof(WCHAR);
 333     }
 334     else
 335     {
 336         *(LPWORD)ptr = 0x0000;
 337         ptr += sizeof(WORD);
 338     }
 339
 340     *((LPWORD)ptr) = 0x0000;
 341     ptr += sizeof(WORD);
 342
 343     if (trail_edit)
 344     {
 345         trail_edit->x = tpl->cx + tpl->x + 2;
 346         *cx = trail_edit->x + trail_edit->cx;
 347
 348         padding2 = (leading_len + local_len + padding)% sizeof(DWORD);
 349
 350         rc = HeapReAlloc(GetProcessHeap(),0,rc,leading_len+local_len + padding
 351                 +padding2+trail_len);
 352
 353         memcpy(((LPBYTE)rc) + leading_len + local_len + padding + padding2,
 354                 trail_edit,trail_len);
 355     }
 356     else
 357         *cx = tpl->cx + tpl->x;
 358
 359     *template_out = rc;
 360     if (leading_len)
 361         *count = 2;
 362     else
 363         *count = 1;
 364
 365     if (trail_edit)
 366         *count+=1;
 367
 368     return leading_len + local_len + padding + padding2 + trail_len;
 369 }
 370
 371
 372 static LPDLGTEMPLATEW create_options_page(HDC hdc, int *from_index,
 373                                           SANE_Int optcount, BOOL split_tabs)
 374 {
 375     int i;
 376     INT y = 2;
 377     LPDLGTEMPLATEW tpl = NULL;
 378     LPBYTE all_controls = NULL;
 379     DWORD control_len = 0;
 380     int max_cx = 0;
 381     int group_max_cx = 0;
 382     LPBYTE ptr;
 383     int group_offset = -1;
 384     INT control_count = 0;
 385
 386     for (i = *from_index; i < optcount; i++)
 387     {
 388         LPDLGITEMTEMPLATEW item_tpl = NULL;
 389         const SANE_Option_Descriptor *opt;
 390         int len;
 391         int padding = 0;
 392         int x;
 393         int count;
 394         int hold_for_group = 0;
 395
 396         opt = psane_get_option_descriptor(activeDS.deviceHandle, i);
 397         if (!opt)
 398             continue;
 399         if (opt->type == SANE_TYPE_GROUP && split_tabs)
 400         {
 401             if (control_len > 0)
 402             {
 403                 *from_index = i - 1;
 404                 goto exit;
 405             }
 406             else
 407             {
 408                 *from_index = i;
 409                 return NULL;
 410             }
 411         }
 412         if (!SANE_OPTION_IS_ACTIVE (opt->cap))
 413             continue;
 414
 415         len = create_item(hdc, opt, ID_BASE + i, &item_tpl, y, &x, &count);
 416
 417         control_count += count;
 418
 419         if (!len)
 420         {
 421             continue;
 422         }
 423
 424         hold_for_group = y;
 425         y+= item_tpl->cy + 1;
 426         max_cx = max(max_cx, x + 2);
 427         group_max_cx = max(group_max_cx, x );
 428
 429         padding = len % sizeof(DWORD);
 430
 431         if (all_controls)
 432         {
 433             LPBYTE newone;
 434             newone = HeapReAlloc(GetProcessHeap(),0,all_controls,
 435                     control_len + len + padding);
 436             all_controls = newone;
 437             memcpy(all_controls+control_len,item_tpl,len);
 438             memset(all_controls+control_len+len,0xca,padding);
 439             HeapFree(GetProcessHeap(),0,item_tpl);
 440         }
 441         else
 442         {
 443             if (!padding)
 444             {
 445                 all_controls = (LPBYTE)item_tpl;
 446             }
 447             else
 448             {
 449                 all_controls = HeapAlloc(GetProcessHeap(),0,len + padding);
 450                 memcpy(all_controls,item_tpl,len);
 451                 memset(all_controls+len,0xcb,padding);
 452                 HeapFree(GetProcessHeap(),0,item_tpl);
 453             }
 454         }
 455
 456         if (opt->type == SANE_TYPE_GROUP)
 457         {
 458             if (group_offset == -1)
 459             {
 460                 group_offset  = control_len;
 461                 group_max_cx = 0;
 462             }
 463             else
 464             {
 465                 LPDLGITEMTEMPLATEW group =
 466                     (LPDLGITEMTEMPLATEW)(all_controls+group_offset);
 467
 468                 group->cy = hold_for_group - group->y;
 469                 group->cx = group_max_cx;
 470
 471                 group = (LPDLGITEMTEMPLATEW)(all_controls+control_len);
 472                 group->y += 2;
 473                 y+=2;
 474                 group_max_cx = 0;
 475                 group_offset  = control_len;
 476             }
 477         }
 478
 479         control_len += len + padding;
 480     }
 481
 482     if ( group_offset && !split_tabs )
 483     {
 484         LPDLGITEMTEMPLATEW group =
 485             (LPDLGITEMTEMPLATEW)(all_controls+group_offset);
 486         group->cy = y - group->y;
 487         group->cx = group_max_cx;
 488         y+=2;
 489     }
 490
 491     *from_index = i-1;
 492 exit:
 493
 494     tpl = HeapAlloc(GetProcessHeap(),0,sizeof(DLGTEMPLATE) + 3*sizeof(WORD) +
 495             control_len);
 496
 497     tpl->style = WS_VISIBLE | WS_OVERLAPPEDWINDOW;
 498     tpl->dwExtendedStyle = 0;
 499     tpl->cdit = control_count;
 500     tpl->x = 0;
 501     tpl->y = 0;
 502     tpl->cx = max_cx + 10;
 503     tpl->cy = y + 10;
 504     ptr = (LPBYTE)tpl + sizeof(DLGTEMPLATE);
 505     *(LPWORD)ptr = 0x0000;
 506     ptr+=sizeof(WORD);
 507     *(LPWORD)ptr = 0x0000;
 508     ptr+=sizeof(WORD);
 509     *(LPWORD)ptr = 0x0000;
 510     ptr+=sizeof(WORD);
 511     memcpy(ptr,all_controls,control_len);
 512
 513     HeapFree(GetProcessHeap(),0,all_controls);
 514
 515     return tpl;
 516 }
 517
 518 BOOL DoScannerUI(void)
 519 {
 520     HDC hdc;
 521     PROPSHEETPAGEW psp[10];
 522     int page_count= 0;
 523     PROPSHEETHEADERW psh;
 524     int index = 1;
 525     SANE_Status rc;
 526     SANE_Int optcount;
 527     UINT psrc;
 528     LPWSTR szCaption;
 529     DWORD len;
 530
 531     hdc = GetDC(0);
 532
 533     memset(&psp,0,sizeof(psp));
 534     rc = psane_control_option(activeDS.deviceHandle, 0, SANE_ACTION_GET_VALUE,
 535             &optcount, NULL);
 536     if (rc != SANE_STATUS_GOOD)
 537     {
 538         ERR("Unable to read number of options\n");
 539         return FALSE;
 540     }
 541
 542     while (index < optcount)
 543     {
 544         const SANE_Option_Descriptor *opt;
 545         psp[page_count].u.pResource = create_options_page(hdc, &index,
 546                 optcount, TRUE);
 547         opt = psane_get_option_descriptor(activeDS.deviceHandle, index);
 548
 549         if (opt->type == SANE_TYPE_GROUP)
 550         {
 551             LPWSTR title = NULL;
 552             INT len;
 553
 554             len = MultiByteToWideChar(CP_ACP,0,opt->title,-1,NULL,0);
 555             title = HeapAlloc(GetProcessHeap(),0,len * sizeof(WCHAR));
 556             MultiByteToWideChar(CP_ACP,0,opt->title,-1,title,len);
 557
 558             psp[page_count].pszTitle = title;
 559         }
 560
 561         if (psp[page_count].u.pResource)
 562         {
 563             psp[page_count].dwSize = sizeof(PROPSHEETPAGEW);
 564             psp[page_count].dwFlags =  PSP_DLGINDIRECT | PSP_USETITLE;
 565             psp[page_count].hInstance = SANE_instance;
 566             psp[page_count].pfnDlgProc = DialogProc;
 567             psp[page_count].lParam = (LPARAM)&activeDS;
 568             page_count ++;
 569         }
 570
 571         index ++;
 572     }
 573
 574     len = lstrlenA(activeDS.identity.Manufacturer)
 575          + lstrlenA(activeDS.identity.ProductName) + 2;
 576     szCaption = HeapAlloc(GetProcessHeap(),0,len *sizeof(WCHAR));
 577     MultiByteToWideChar(CP_ACP,0,activeDS.identity.Manufacturer,-1,
 578             szCaption,len);
 579     szCaption[lstrlenA(activeDS.identity.Manufacturer)] = ' ';
 580     MultiByteToWideChar(CP_ACP,0,activeDS.identity.ProductName,-1,
 581             &szCaption[lstrlenA(activeDS.identity.Manufacturer)+1],len);
 582     psh.dwSize = sizeof(PROPSHEETHEADERW);
 583     psh.dwFlags = PSH_PROPSHEETPAGE|PSH_PROPTITLE|PSH_USECALLBACK;
 584     psh.hwndParent = activeDS.hwndOwner;
 585     psh.hInstance = SANE_instance;
 586     psh.u.pszIcon = 0;
 587     psh.pszCaption = szCaption;
 588     psh.nPages = page_count;
 589     psh.u2.nStartPage = 0;
 590     psh.u3.ppsp = (LPCPROPSHEETPAGEW) &psp;
 591     psh.pfnCallback = PropSheetProc;
 592
 593     psrc = PropertySheetW(&psh);
 594
 595     for(index = 0; index < page_count; index ++)
 596     {
 597         HeapFree(GetProcessHeap(),0,(LPBYTE)psp[index].u.pResource);
 598         HeapFree(GetProcessHeap(),0,(LPBYTE)psp[index].pszTitle);
 599     }
 600     HeapFree(GetProcessHeap(),0,szCaption);
 601
 602     if (psrc == IDOK)
 603         return TRUE;
 604     else
 605         return FALSE;
 606 }
 607
 608 static void UpdateRelevantEdit(HWND hwnd, const SANE_Option_Descriptor *opt,
 609         int index, int position)
 610 {
 611     WCHAR buffer[244];
 612     HWND edit_w;
 613     int len;
 614
 615     if (opt->type == SANE_TYPE_INT)
 616     {
 617         static const WCHAR formatW[] = {'%','i',0};
 618         INT si;
 619
 620         if (opt->constraint.range->quant)
 621             si = position * opt->constraint.range->quant;
 622         else
 623             si = position;
 624
 625         len = wsprintfW( buffer, formatW, si );
 626     }
 627     else if  (opt->type == SANE_TYPE_FIXED)
 628     {
 629         static const WCHAR formatW[] = {'%','f',0};
 630         double s_quant, dd;
 631
 632         s_quant = SANE_UNFIX(opt->constraint.range->quant);
 633
 634         if (s_quant)
 635             dd = position * s_quant;
 636         else
 637             dd = position * 0.01;
 638
 639         len = wsprintfW( buffer, formatW, dd );
 640     }
 641     else return;
 642
 643     buffer[len++] = ' ';
 644     LoadStringW( SANE_instance, opt->unit, buffer + len, sizeof(buffer)/sizeof(WCHAR) - len );
 645
 646     edit_w = GetDlgItem(hwnd,index+ID_BASE+ID_EDIT_BASE);
 647     if (edit_w) SetWindowTextW(edit_w,buffer);
 648
 649 }
 650
 651 static BOOL UpdateSaneScrollOption(
 652         const SANE_Option_Descriptor *opt, int index, DWORD position)
 653 {
 654     SANE_Status rc = SANE_STATUS_GOOD;
 655     SANE_Int result = 0;
 656
 657     if (opt->type == SANE_TYPE_INT)
 658     {
 659         SANE_Int si;
 660
 661         if (opt->constraint.range->quant)
 662             si = position * opt->constraint.range->quant;
 663         else
 664             si = position;
 665
 666         rc = psane_control_option (activeDS.deviceHandle,index,
 667             SANE_ACTION_SET_VALUE, &si, &result);
 668
 669     }
 670     else if  (opt->type == SANE_TYPE_FIXED)
 671     {
 672         double s_quant, dd;
 673         SANE_Fixed *sf;
 674
 675         s_quant = SANE_UNFIX(opt->constraint.range->quant);
 676
 677         if (s_quant)
 678             dd = position * s_quant;
 679         else
 680             dd = position * 0.01;
 681
 682         sf = HeapAlloc(GetProcessHeap(),0,opt->size*sizeof(SANE_Word));
 683
 684         *sf = SANE_FIX(dd);
 685
 686         rc = psane_control_option (activeDS.deviceHandle,index,
 687             SANE_ACTION_SET_VALUE, sf, &result);
 688
 689         HeapFree(GetProcessHeap(),0,sf);
 690     }
 691
 692     if(rc == SANE_STATUS_GOOD)
 693     {
 694         if (result & SANE_INFO_RELOAD_OPTIONS ||
 695                 result & SANE_INFO_RELOAD_PARAMS || result & SANE_INFO_INEXACT)
 696             return TRUE;
 697     }
 698     return FALSE;
 699 }
 700
 701 static BOOL UpdateSaneBoolOption(int index, BOOL position)
 702 {
 703     SANE_Status rc = SANE_STATUS_GOOD;
 704     SANE_Int result = 0;
 705     SANE_Bool si;
 706
 707     si = position;
 708
 709     rc = psane_control_option (activeDS.deviceHandle,index,
 710             SANE_ACTION_SET_VALUE, &si, &result);
 711
 712     if(rc == SANE_STATUS_GOOD)
 713     {
 714         if (result & SANE_INFO_RELOAD_OPTIONS ||
 715                 result & SANE_INFO_RELOAD_PARAMS || result & SANE_INFO_INEXACT)
 716             return TRUE;
 717     }
 718     return FALSE;
 719 }
 720
 721 static BOOL UpdateSaneStringOption(int index, SANE_String value)
 722 {
 723     SANE_Status rc = SANE_STATUS_GOOD;
 724     SANE_Int result = 0;
 725
 726     rc = psane_control_option (activeDS.deviceHandle,index,
 727             SANE_ACTION_SET_VALUE, value, &result);
 728
 729     if(rc == SANE_STATUS_GOOD)
 730     {
 731         if (result & SANE_INFO_RELOAD_OPTIONS ||
 732                 result & SANE_INFO_RELOAD_PARAMS || result & SANE_INFO_INEXACT)
 733             return TRUE;
 734     }
 735     return FALSE;
 736 }
 737
 738 static INT_PTR InitializeDialog(HWND hwnd)
 739 {
 740     SANE_Status rc;
 741     SANE_Int optcount;
 742     HWND control;
 743     int i;
 744
 745     rc = psane_control_option(activeDS.deviceHandle, 0, SANE_ACTION_GET_VALUE,
 746             &optcount, NULL);
 747     if (rc != SANE_STATUS_GOOD)
 748     {
 749         ERR("Unable to read number of options\n");
 750         return FALSE;
 751     }
 752
 753     for ( i = 1; i < optcount; i++)
 754     {
 755         const SANE_Option_Descriptor *opt;
 756
 757         control = GetDlgItem(hwnd,i+ID_BASE);
 758
 759         if (!control)
 760             continue;
 761
 762         opt = psane_get_option_descriptor(activeDS.deviceHandle, i);
 763
 764         TRACE("%i %s %i %i\n",i,opt->title,opt->type,opt->constraint_type);
 765
 766         if (!SANE_OPTION_IS_ACTIVE(opt->cap))
 767             EnableWindow(control,FALSE);
 768         else
 769             EnableWindow(control,TRUE);
 770
 771         SendMessageA(control,CB_RESETCONTENT,0,0);
 772         /* initialize values */
 773         if (opt->type == SANE_TYPE_STRING && opt->constraint_type !=
 774                 SANE_CONSTRAINT_NONE)
 775         {
 776             int j = 0;
 777             CHAR buffer[255];
 778             while (opt->constraint.string_list[j]!=NULL)
 779             {
 780                 SendMessageA(control,CB_ADDSTRING,0,
 781                         (LPARAM)opt->constraint.string_list[j]);
 782                 j++;
 783             }
 784             psane_control_option(activeDS.deviceHandle, i, SANE_ACTION_GET_VALUE, buffer,NULL);
 785             SendMessageA(control,CB_SELECTSTRING,0,(LPARAM)buffer);
 786         }
 787         else if (opt->type == SANE_TYPE_BOOL)
 788         {
 789             SANE_Bool b;
 790             psane_control_option(activeDS.deviceHandle, i,
 791                     SANE_ACTION_GET_VALUE, &b, NULL);
 792             if (b)
 793                 SendMessageA(control,BM_SETCHECK,BST_CHECKED,0);
 794
 795         }
 796         else if (opt->constraint_type == SANE_CONSTRAINT_RANGE)
 797         {
 798             if (opt->type == SANE_TYPE_INT)
 799             {
 800                 SANE_Int si;
 801                 int min,max;
 802
 803                 min = (SANE_Int)opt->constraint.range->min /
 804                     (((SANE_Int)opt->constraint.range->quant)?
 805                     (SANE_Int)opt->constraint.range->quant:1);
 806
 807                 max = (SANE_Int)opt->constraint.range->max /
 808                     (((SANE_Int)opt->constraint.range->quant)
 809                     ?(SANE_Int)opt->constraint.range->quant:1);
 810
 811                 SendMessageA(control,SBM_SETRANGE,min,max);
 812
 813                 psane_control_option(activeDS.deviceHandle, i,
 814                         SANE_ACTION_GET_VALUE, &si,NULL);
 815                 if (opt->constraint.range->quant)
 816                     si = si / opt->constraint.range->quant;
 817
 818                 SendMessageW(control,SBM_SETPOS, si, TRUE);
 819                 UpdateRelevantEdit(hwnd, opt, i, si);
 820             }
 821             else if (opt->type == SANE_TYPE_FIXED)
 822             {
 823                 SANE_Fixed *sf;
 824
 825                 double dd;
 826                 double s_min,s_max,s_quant;
 827                 INT pos;
 828                 int min,max;
 829
 830                 s_min = SANE_UNFIX(opt->constraint.range->min);
 831                 s_max = SANE_UNFIX(opt->constraint.range->max);
 832                 s_quant = SANE_UNFIX(opt->constraint.range->quant);
 833
 834                 if (s_quant)
 835                 {
 836                     min = (s_min / s_quant);
 837                     max = (s_max / s_quant);
 838                 }
 839                 else
 840                 {
 841                     min = s_min / 0.01;
 842                     max = s_max / 0.01;
 843                 }
 844
 845                 SendMessageA(control,SBM_SETRANGE,min,max);
 846
 847
 848                 sf = HeapAlloc(GetProcessHeap(),0,opt->size*sizeof(SANE_Word));
 849                 psane_control_option(activeDS.deviceHandle, i,
 850                         SANE_ACTION_GET_VALUE, sf,NULL);
 851
 852                 dd = SANE_UNFIX(*sf);
 853                 HeapFree(GetProcessHeap(),0,sf);
 854
 855                 if (s_quant)
 856                     pos = (dd / s_quant);
 857                 else
 858                     pos = dd / 0.01;
 859
 860                 SendMessageW(control, SBM_SETPOS, pos, TRUE);
 861
 862                 UpdateRelevantEdit(hwnd, opt, i, pos);
 863             }
 864         }
 865     }
 866
 867     return TRUE;
 868 }
 869
 870 static INT_PTR ProcessScroll(HWND hwnd, WPARAM wParam, LPARAM lParam)
 871 {
 872     int index;
 873     const SANE_Option_Descriptor *opt;
 874     WORD scroll;
 875     DWORD position;
 876
 877     index = GetDlgCtrlID((HWND)lParam)- ID_BASE;
 878     if (index < 0)
 879         return FALSE;
 880
 881     opt = psane_get_option_descriptor(activeDS.deviceHandle, index);
 882
 883     if (!opt)
 884         return FALSE;
 885
 886     scroll = LOWORD(wParam);
 887
 888     switch (scroll)
 889     {
 890         case SB_THUMBTRACK:
 891         case SB_THUMBPOSITION:
 892         {
 893             SCROLLINFO si;
 894             si.cbSize = sizeof(SCROLLINFO);
 895             si.fMask = SIF_TRACKPOS;
 896             GetScrollInfo((HWND)lParam,SB_CTL, &si);
 897             position = si.nTrackPos;
 898         }
 899             break;
 900         case SB_LEFT:
 901         case SB_LINELEFT:
 902         case SB_PAGELEFT:
 903             position = SendMessageW((HWND)lParam,SBM_GETPOS,0,0);
 904             position--;
 905             break;
 906         case SB_RIGHT:
 907         case SB_LINERIGHT:
 908         case SB_PAGERIGHT:
 909             position = SendMessageW((HWND)lParam,SBM_GETPOS,0,0);
 910             position++;
 911             break;
 912         default:
 913             position = SendMessageW((HWND)lParam,SBM_GETPOS,0,0);
 914     }
 915
 916     SendMessageW((HWND)lParam,SBM_SETPOS, position, TRUE);
 917     position = SendMessageW((HWND)lParam,SBM_GETPOS,0,0);
 918
 919     UpdateRelevantEdit(hwnd, opt, index, position);
 920     if (UpdateSaneScrollOption(opt, index, position))
 921         InitializeDialog(hwnd);
 922
 923     return TRUE;
 924 }
 925
 926
 927 static void ButtonClicked(HWND hwnd, INT id, HWND control)
 928 {
 929     int index;
 930     const SANE_Option_Descriptor *opt;
 931
 932     index = id - ID_BASE;
 933     if (index < 0)
 934         return;
 935
 936     opt = psane_get_option_descriptor(activeDS.deviceHandle, index);
 937
 938     if (!opt)
 939         return;
 940
 941     if (opt->type == SANE_TYPE_BOOL)
 942     {
 943         BOOL r = SendMessageW(control,BM_GETCHECK,0,0)==BST_CHECKED;
 944         if (UpdateSaneBoolOption(index, r))
 945                 InitializeDialog(hwnd);
 946     }
 947 }
 948
 949 static void ComboChanged(HWND hwnd, INT id, HWND control)
 950 {
 951     int index;
 952     int selection;
 953     int len;
 954     const SANE_Option_Descriptor *opt;
 955     SANE_String value;
 956
 957     index = id - ID_BASE;
 958     if (index < 0)
 959         return;
 960
 961     opt = psane_get_option_descriptor(activeDS.deviceHandle, index);
 962
 963     if (!opt)
 964         return;
 965
 966     selection = SendMessageW(control,CB_GETCURSEL,0,0);
 967     len = SendMessageW(control,CB_GETLBTEXTLEN,selection,0);
 968
 969     len++;
 970     value = HeapAlloc(GetProcessHeap(),0,len);
 971     SendMessageA(control,CB_GETLBTEXT,selection,(LPARAM)value);
 972
 973     if (opt->type == SANE_TYPE_STRING)
 974     {
 975         if (UpdateSaneStringOption(index, value))
 976                 InitializeDialog(hwnd);
 977     }
 978 }
 979
 980
 981 static INT_PTR CALLBACK DialogProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
 982 {
 983     switch (msg)
 984     {
 985         case WM_INITDIALOG:
 986             return InitializeDialog(hwndDlg);
 987         case WM_HSCROLL:
 988             return ProcessScroll(hwndDlg, wParam, lParam);
 989         case WM_NOTIFY:
 990             {
 991                 LPPSHNOTIFY psn = (LPPSHNOTIFY)lParam;
 992                 switch (((NMHDR*)lParam)->code)
 993                 {
 994                     case PSN_APPLY:
 995                         if (psn->lParam == TRUE)
 996                         {
 997                             activeDS.currentState = 6;
 998                             activeDS.pendingEvent.TWMessage = MSG_XFERREADY;
 999                         }
1000                         break;
1001                     case PSN_QUERYCANCEL:
1002                         activeDS.pendingEvent.TWMessage = MSG_CLOSEDSREQ;
1003                         break;
1004                     case PSN_SETACTIVE:
1005                         InitializeDialog(hwndDlg);
1006                         break;
1007                 }
1008             }
1009         case WM_COMMAND:
1010             {
1011                 switch (HIWORD(wParam))
1012                 {
1013                     case BN_CLICKED:
1014                         ButtonClicked(hwndDlg,LOWORD(wParam),
1015                                 (HWND)lParam);
1016                         break;
1017                     case CBN_SELCHANGE:
1018                         ComboChanged(hwndDlg,LOWORD(wParam),
1019                                 (HWND)lParam);
1020                 }
1021             }
1022     }
1023
1024     return FALSE;
1025 }
1026
1027 static int CALLBACK PropSheetProc(HWND hwnd, UINT msg, LPARAM lParam)
1028 {
1029     if (msg == PSCB_INITIALIZED)
1030     {
1031         /* rename OK button to Scan */
1032         HWND scan = GetDlgItem(hwnd,IDOK);
1033         SetWindowTextA(scan,"Scan");
1034     }
1035     return TRUE;
1036 }
1037
1038
1039 static INT_PTR CALLBACK ScanningProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
1040 {
1041     return FALSE;
1042 }
1043
1044 HWND ScanningDialogBox(HWND dialog, LONG progress)
1045 {
1046     if (!dialog)
1047         dialog = CreateDialogW(SANE_instance,
1048                 (LPWSTR)MAKEINTRESOURCE(IDD_DIALOG1), NULL, ScanningProc);
1049
1050     if (progress == -1)
1051     {
1052         EndDialog(dialog,0);
1053         return NULL;
1054     }
1055
1056     RedrawWindow(dialog,NULL,NULL,
1057             RDW_INTERNALPAINT|RDW_UPDATENOW|RDW_ALLCHILDREN);
1058
1059     return dialog;
1060 }
1061
1062 #else  /* SONAME_LIBSANE */
1063
1064 BOOL DoScannerUI(void)
1065 {
1066     return FALSE;
1067 }
1068
1069 #endif  /* SONAME_LIBSANE */