dlls/comctl32/progress.c

   1 /*
   2  * Progress control
   3  *
   4  * Copyright 1997, 2002 Dimitrie O. Paun
   5  * Copyright 1998, 1999 Eric Kohl
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * NOTE
  22  *
  23  * This code was audited for completeness against the documented features
  24  * of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
  25  *
  26  * Unless otherwise noted, we believe this code to be complete, as per
  27  * the specification mentioned above.
  28  * If you discover missing features, or bugs, please note them below.
  29  *
  30  * TODO:
  31  *
  32  * Styles:
  33  *    -- PBS_SMOOTHREVERSE
  34  *
  35  */
  36
  37 #include <stdarg.h>
  38 #include <string.h>
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43 #include "winnls.h"
  44 #include "commctrl.h"
  45 #include "comctl32.h"
  46 #include "uxtheme.h"
  47 #include "vssym32.h"
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(progress);
  51
  52 typedef struct
  53 {
  54     HWND      Self;         /* The window handle for this control */
  55     INT       CurVal;       /* Current progress value */
  56     INT       MinVal;       /* Minimum progress value */
  57     INT       MaxVal;       /* Maximum progress value */
  58     INT       Step;         /* Step to use on PMB_STEPIT */
  59     INT       MarqueePos;   /* Marquee animation position */
  60     BOOL      Marquee;      /* Whether the marquee animation is enabled */
  61     COLORREF  ColorBar;     /* Bar color */
  62     COLORREF  ColorBk;      /* Background color */
  63     HFONT     Font;         /* Handle to font (not unused) */
  64 } PROGRESS_INFO;
  65
  66 /* Control configuration constants */
  67
  68 #define LED_GAP           2
  69 #define MARQUEE_LEDS      5
  70 #define ID_MARQUEE_TIMER  1
  71 #define DEFAULT_MARQUEE_PERIOD 30
  72
  73 /* Helper to obtain size of a progress bar chunk ("led"). */
  74 static inline int get_led_size ( const PROGRESS_INFO *infoPtr, LONG style,
  75                                  const RECT* rect )
  76 {
  77     HTHEME theme = GetWindowTheme (infoPtr->Self);
  78     if (theme)
  79     {
  80         int chunkSize;
  81         if (SUCCEEDED( GetThemeInt( theme, 0, 0, TMT_PROGRESSCHUNKSIZE, &chunkSize )))
  82             return chunkSize;
  83     }
  84
  85     if (style & PBS_VERTICAL)
  86         return MulDiv (rect->right - rect->left, 2, 3);
  87     else
  88         return MulDiv (rect->bottom - rect->top, 2, 3);
  89 }
  90
  91 /* Helper to obtain gap between progress bar chunks */
  92 static inline int get_led_gap ( const PROGRESS_INFO *infoPtr )
  93 {
  94     HTHEME theme = GetWindowTheme (infoPtr->Self);
  95     if (theme)
  96     {
  97         int spaceSize;
  98         if (SUCCEEDED( GetThemeInt( theme, 0, 0, TMT_PROGRESSSPACESIZE, &spaceSize )))
  99             return spaceSize;
 100     }
 101
 102     return LED_GAP;
 103 }
 104
 105 /* Get client rect. Takes into account that theming needs no adjustment. */
 106 static inline void get_client_rect (HWND hwnd, RECT* rect)
 107 {
 108     HTHEME theme = GetWindowTheme (hwnd);
 109     GetClientRect (hwnd, rect);
 110     if (!theme)
 111         InflateRect(rect, -1, -1);
 112     else
 113     {
 114         DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
 115         int part = (dwStyle & PBS_VERTICAL) ? PP_BARVERT : PP_BAR;
 116         GetThemeBackgroundContentRect (theme, 0, part, 0, rect, rect);
 117     }
 118 }
 119
 120 /* Compute the extend of the bar */
 121 static inline int get_bar_size( LONG style, const RECT* rect )
 122 {
 123     if (style & PBS_VERTICAL)
 124         return rect->bottom - rect->top;
 125     else
 126         return rect->right - rect->left;
 127 }
 128
 129 /* Compute the pixel position of a progress value */
 130 static inline int get_bar_position( const PROGRESS_INFO *infoPtr, LONG style,
 131                                     const RECT* rect, INT value )
 132 {
 133     return MulDiv (value - infoPtr->MinVal, get_bar_size (style, rect),
 134                       infoPtr->MaxVal - infoPtr->MinVal);
 135 }
 136
 137 /***********************************************************************
 138  * PROGRESS_Invalidate
 139  *
 140  * Don't be too clever about invalidating the progress bar.
 141  * InstallShield depends on this simple behaviour.
 142  */
 143 static void PROGRESS_Invalidate( const PROGRESS_INFO *infoPtr, INT old, INT new )
 144 {
 145     InvalidateRect( infoPtr->Self, NULL, old > new );
 146 }
 147
 148 /* Information for a progress bar drawing helper */
 149 typedef struct tagProgressDrawInfo
 150 {
 151     HDC hdc;
 152     RECT rect;
 153     HBRUSH hbrBar;
 154     HBRUSH hbrBk;
 155     int ledW, ledGap;
 156     HTHEME theme;
 157     RECT bgRect;
 158 } ProgressDrawInfo;
 159
 160 typedef void (*ProgressDrawProc)(const ProgressDrawInfo* di, int start, int end);
 161
 162 /* draw solid horizontal bar from 'start' to 'end' */
 163 static void draw_solid_bar_H (const ProgressDrawInfo* di, int start, int end)
 164 {
 165     RECT r;
 166     SetRect(&r, di->rect.left + start, di->rect.top, di->rect.left + end, di->rect.bottom);
 167     FillRect (di->hdc, &r, di->hbrBar);
 168 }
 169
 170 /* draw solid horizontal background from 'start' to 'end' */
 171 static void draw_solid_bkg_H (const ProgressDrawInfo* di, int start, int end)
 172 {
 173     RECT r;
 174     SetRect(&r, di->rect.left + start, di->rect.top, di->rect.left + end, di->rect.bottom);
 175     FillRect (di->hdc, &r, di->hbrBk);
 176 }
 177
 178 /* draw solid vertical bar from 'start' to 'end' */
 179 static void draw_solid_bar_V (const ProgressDrawInfo* di, int start, int end)
 180 {
 181     RECT r;
 182     SetRect(&r, di->rect.left, di->rect.bottom - end, di->rect.right, di->rect.bottom - start);
 183     FillRect (di->hdc, &r, di->hbrBar);
 184 }
 185
 186 /* draw solid vertical background from 'start' to 'end' */
 187 static void draw_solid_bkg_V (const ProgressDrawInfo* di, int start, int end)
 188 {
 189     RECT r;
 190     SetRect(&r, di->rect.left, di->rect.bottom - end, di->rect.right, di->rect.bottom - start);
 191     FillRect (di->hdc, &r, di->hbrBk);
 192 }
 193
 194 /* draw chunky horizontal bar from 'start' to 'end' */
 195 static void draw_chunk_bar_H (const ProgressDrawInfo* di, int start, int end)
 196 {
 197     RECT r;
 198     int right = di->rect.left + end;
 199     r.left = di->rect.left + start;
 200     r.top = di->rect.top;
 201     r.bottom = di->rect.bottom;
 202     while (r.left < right)
 203     {
 204         r.right = min (r.left + di->ledW, right);
 205         FillRect (di->hdc, &r, di->hbrBar);
 206         r.left = r.right;
 207         r.right = min (r.left + di->ledGap, right);
 208         FillRect (di->hdc, &r, di->hbrBk);
 209         r.left = r.right;
 210     }
 211 }
 212
 213 /* draw chunky vertical bar from 'start' to 'end' */
 214 static void draw_chunk_bar_V (const ProgressDrawInfo* di, int start, int end)
 215 {
 216     RECT r;
 217     int top = di->rect.bottom - end;
 218     r.left = di->rect.left;
 219     r.right = di->rect.right;
 220     r.bottom = di->rect.bottom - start;
 221     while (r.bottom > top)
 222     {
 223         r.top = max (r.bottom - di->ledW, top);
 224         FillRect (di->hdc, &r, di->hbrBar);
 225         r.bottom = r.top;
 226         r.top = max (r.bottom - di->ledGap, top);
 227         FillRect (di->hdc, &r, di->hbrBk);
 228         r.bottom = r.top;
 229     }
 230 }
 231
 232 /* drawing functions for "classic" style */
 233 static const ProgressDrawProc drawProcClassic[8] = {
 234   /* Smooth */
 235     /* Horizontal */
 236     draw_solid_bar_H, draw_solid_bkg_H,
 237     /* Vertical */
 238     draw_solid_bar_V, draw_solid_bkg_V,
 239   /* Chunky */
 240     /* Horizontal */
 241     draw_chunk_bar_H, draw_solid_bkg_H,
 242     /* Vertical */
 243     draw_chunk_bar_V, draw_solid_bkg_V,
 244 };
 245
 246 /* draw themed horizontal bar from 'start' to 'end' */
 247 static void draw_theme_bar_H (const ProgressDrawInfo* di, int start, int end)
 248 {
 249     RECT r;
 250     r.left = di->rect.left + start;
 251     r.top = di->rect.top;
 252     r.bottom = di->rect.bottom;
 253     r.right = di->rect.left + end;
 254     DrawThemeBackground (di->theme, di->hdc, PP_CHUNK, 0, &r, NULL);
 255 }
 256
 257 /* draw themed vertical bar from 'start' to 'end' */
 258 static void draw_theme_bar_V (const ProgressDrawInfo* di, int start, int end)
 259 {
 260     RECT r;
 261     r.left = di->rect.left;
 262     r.right = di->rect.right;
 263     r.bottom = di->rect.bottom - start;
 264     r.top = di->rect.bottom - end;
 265     DrawThemeBackground (di->theme, di->hdc, PP_CHUNKVERT, 0, &r, NULL);
 266 }
 267
 268 /* draw themed horizontal background from 'start' to 'end' */
 269 static void draw_theme_bkg_H (const ProgressDrawInfo* di, int start, int end)
 270 {
 271     RECT bgrect, r;
 272
 273     SetRect(&r, di->rect.left + start, di->rect.top, di->rect.left + end, di->rect.bottom);
 274     bgrect = di->bgRect;
 275     OffsetRect(&bgrect, -bgrect.left, -bgrect.top);
 276
 277     DrawThemeBackground (di->theme, di->hdc, PP_BAR, 0, &bgrect, &r);
 278 }
 279
 280 /* draw themed vertical background from 'start' to 'end' */
 281 static void draw_theme_bkg_V (const ProgressDrawInfo* di, int start, int end)
 282 {
 283     RECT bgrect, r;
 284
 285     SetRect(&r, di->rect.left, di->rect.bottom - end, di->rect.right, di->rect.bottom - start);
 286     bgrect = di->bgRect;
 287     OffsetRect(&bgrect, -bgrect.left, -bgrect.top);
 288
 289     DrawThemeBackground (di->theme, di->hdc, PP_BARVERT, 0, &bgrect, &r);
 290 }
 291
 292 /* drawing functions for themed style */
 293 static const ProgressDrawProc drawProcThemed[8] = {
 294   /* Smooth */
 295     /* Horizontal */
 296     draw_theme_bar_H, draw_theme_bkg_H,
 297     /* Vertical */
 298     draw_theme_bar_V, draw_theme_bkg_V,
 299   /* Chunky */
 300     /* Horizontal */
 301     draw_theme_bar_H, draw_theme_bkg_H,
 302     /* Vertical */
 303     draw_theme_bar_V, draw_theme_bkg_V,
 304 };
 305
 306 /***********************************************************************
 307  * PROGRESS_Draw
 308  * Draws the progress bar.
 309  */
 310 static LRESULT PROGRESS_Draw (PROGRESS_INFO *infoPtr, HDC hdc)
 311 {
 312     int barSize;
 313     DWORD dwStyle;
 314     BOOL barSmooth;
 315     const ProgressDrawProc* drawProcs;
 316     ProgressDrawInfo pdi;
 317
 318     TRACE("(infoPtr=%p, hdc=%p)\n", infoPtr, hdc);
 319
 320     pdi.hdc = hdc;
 321     pdi.theme = GetWindowTheme (infoPtr->Self);
 322
 323     /* get the required bar brush */
 324     if (infoPtr->ColorBar == CLR_DEFAULT)
 325         pdi.hbrBar = GetSysColorBrush(COLOR_HIGHLIGHT);
 326     else
 327         pdi.hbrBar = CreateSolidBrush (infoPtr->ColorBar);
 328
 329     if (infoPtr->ColorBk == CLR_DEFAULT)
 330         pdi.hbrBk = GetSysColorBrush(COLOR_3DFACE);
 331     else
 332         pdi.hbrBk = CreateSolidBrush(infoPtr->ColorBk);
 333
 334     /* get the window style */
 335     dwStyle = GetWindowLongW (infoPtr->Self, GWL_STYLE);
 336
 337     /* get client rectangle */
 338     GetClientRect (infoPtr->Self, &pdi.rect);
 339     if (!pdi.theme) {
 340         FrameRect( hdc, &pdi.rect, pdi.hbrBk );
 341         InflateRect(&pdi.rect, -1, -1);
 342     }
 343     else
 344     {
 345         RECT cntRect;
 346         int part = (dwStyle & PBS_VERTICAL) ? PP_BARVERT : PP_BAR;
 347
 348         GetThemeBackgroundContentRect (pdi.theme, hdc, part, 0, &pdi.rect,
 349             &cntRect);
 350
 351         /* Exclude content rect - content background will be drawn later */
 352         ExcludeClipRect (hdc, cntRect.left, cntRect.top,
 353             cntRect.right, cntRect.bottom);
 354         if (IsThemeBackgroundPartiallyTransparent (pdi.theme, part, 0))
 355             DrawThemeParentBackground (infoPtr->Self, hdc, NULL);
 356         DrawThemeBackground (pdi.theme, hdc, part, 0, &pdi.rect, NULL);
 357         SelectClipRgn (hdc, NULL);
 358         pdi.rect = cntRect;
 359     }
 360
 361     /* compute some drawing parameters */
 362     barSmooth = (dwStyle & PBS_SMOOTH) && !pdi.theme;
 363     drawProcs = &((pdi.theme ? drawProcThemed : drawProcClassic)[(barSmooth ? 0 : 4)
 364         + ((dwStyle & PBS_VERTICAL) ? 2 : 0)]);
 365     barSize = get_bar_size( dwStyle, &pdi.rect );
 366     if (pdi.theme)
 367     {
 368         GetWindowRect( infoPtr->Self, &pdi.bgRect );
 369         MapWindowPoints( infoPtr->Self, 0, (POINT*)&pdi.bgRect, 2 );
 370     }
 371
 372     if (!barSmooth)
 373         pdi.ledW = get_led_size( infoPtr, dwStyle, &pdi.rect);
 374     pdi.ledGap = get_led_gap( infoPtr );
 375
 376     if (dwStyle & PBS_MARQUEE)
 377     {
 378         const int ledW = !barSmooth ? (pdi.ledW + pdi.ledGap) : 1;
 379         const int leds = (barSize + ledW - 1) / ledW;
 380         const int ledMEnd = infoPtr->MarqueePos + MARQUEE_LEDS;
 381
 382         if (ledMEnd > leds)
 383         {
 384             /* case 1: the marquee bar extends over the end and wraps around to
 385              * the start */
 386             const int gapStart = max((ledMEnd - leds) * ledW, 0);
 387             const int gapEnd = min(infoPtr->MarqueePos * ledW, barSize);
 388
 389             drawProcs[0]( &pdi, 0, gapStart);
 390             drawProcs[1]( &pdi, gapStart, gapEnd);
 391             drawProcs[0]( &pdi, gapEnd, barSize);
 392         }
 393         else
 394         {
 395             /* case 2: the marquee bar is between start and end */
 396             const int barStart = infoPtr->MarqueePos * ledW;
 397             const int barEnd = min (ledMEnd * ledW, barSize);
 398
 399             drawProcs[1]( &pdi, 0, barStart);
 400             drawProcs[0]( &pdi, barStart, barEnd);
 401             drawProcs[1]( &pdi, barEnd, barSize);
 402         }
 403     }
 404     else
 405     {
 406         int barEnd = get_bar_position( infoPtr, dwStyle, &pdi.rect,
 407             infoPtr->CurVal);
 408         if (!barSmooth)
 409         {
 410             const int ledW = pdi.ledW + pdi.ledGap;
 411             barEnd = min (((barEnd + ledW - 1) / ledW) * ledW, barSize);
 412         }
 413         drawProcs[0]( &pdi, 0, barEnd);
 414         drawProcs[1]( &pdi, barEnd, barSize);
 415     }
 416
 417     /* delete bar brush */
 418     if (infoPtr->ColorBar != CLR_DEFAULT) DeleteObject (pdi.hbrBar);
 419     if (infoPtr->ColorBk != CLR_DEFAULT) DeleteObject (pdi.hbrBk);
 420
 421     return 0;
 422 }
 423
 424 /***********************************************************************
 425  * PROGRESS_Paint
 426  * Draw the progress bar. The background need not be erased.
 427  * If dc!=0, it draws on it
 428  */
 429 static LRESULT PROGRESS_Paint (PROGRESS_INFO *infoPtr, HDC hdc)
 430 {
 431     PAINTSTRUCT ps;
 432     if (hdc) return PROGRESS_Draw (infoPtr, hdc);
 433     hdc = BeginPaint (infoPtr->Self, &ps);
 434     PROGRESS_Draw (infoPtr, hdc);
 435     EndPaint (infoPtr->Self, &ps);
 436     return 0;
 437 }
 438
 439
 440 /***********************************************************************
 441  * Advance marquee progress by one step.
 442  */
 443 static void PROGRESS_UpdateMarquee (PROGRESS_INFO *infoPtr)
 444 {
 445     LONG style = GetWindowLongW (infoPtr->Self, GWL_STYLE);
 446     RECT rect;
 447     int ledWidth, leds;
 448     HTHEME theme = GetWindowTheme (infoPtr->Self);
 449     BOOL smooth = (style & PBS_SMOOTH) && !theme;
 450
 451     get_client_rect (infoPtr->Self, &rect);
 452
 453     if (smooth)
 454         ledWidth = 1;
 455     else
 456         ledWidth = get_led_size( infoPtr, style, &rect ) + get_led_gap( infoPtr );
 457
 458     leds = (get_bar_size( style, &rect ) + ledWidth - 1) /
 459         ledWidth;
 460
 461     /* increment the marquee progress */
 462     if (++infoPtr->MarqueePos >= leds)
 463         infoPtr->MarqueePos = 0;
 464
 465     InvalidateRect(infoPtr->Self, &rect, TRUE);
 466     UpdateWindow(infoPtr->Self);
 467 }
 468
 469
 470 /***********************************************************************
 471  *           PROGRESS_CoercePos
 472  * Makes sure the current position (CurVal) is within bounds.
 473  */
 474 static void PROGRESS_CoercePos(PROGRESS_INFO *infoPtr)
 475 {
 476     if(infoPtr->CurVal < infoPtr->MinVal)
 477         infoPtr->CurVal = infoPtr->MinVal;
 478     if(infoPtr->CurVal > infoPtr->MaxVal)
 479         infoPtr->CurVal = infoPtr->MaxVal;
 480 }
 481
 482
 483 /***********************************************************************
 484  *           PROGRESS_SetFont
 485  * Set new Font for progress bar
 486  */
 487 static HFONT PROGRESS_SetFont (PROGRESS_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
 488 {
 489     HFONT hOldFont = infoPtr->Font;
 490     infoPtr->Font = hFont;
 491     /* Since infoPtr->Font is not used, there is no need for repaint */
 492     return hOldFont;
 493 }
 494
 495 static DWORD PROGRESS_SetRange (PROGRESS_INFO *infoPtr, int low, int high)
 496 {
 497     DWORD res = MAKELONG(LOWORD(infoPtr->MinVal), LOWORD(infoPtr->MaxVal));
 498
 499     /* if nothing changes, simply return */
 500     if(infoPtr->MinVal == low && infoPtr->MaxVal == high) return res;
 501
 502     infoPtr->MinVal = low;
 503     infoPtr->MaxVal = high;
 504     PROGRESS_CoercePos(infoPtr);
 505     InvalidateRect(infoPtr->Self, NULL, TRUE);
 506     return res;
 507 }
 508
 509 static UINT PROGRESS_SetPos (PROGRESS_INFO *infoPtr, INT pos)
 510 {
 511     DWORD style = GetWindowLongW(infoPtr->Self, GWL_STYLE);
 512
 513     if (style & PBS_MARQUEE)
 514     {
 515         PROGRESS_UpdateMarquee(infoPtr);
 516         return 1;
 517     }
 518     else
 519     {
 520         UINT oldVal;
 521         oldVal = infoPtr->CurVal;
 522         if (oldVal != pos) {
 523             infoPtr->CurVal = pos;
 524             PROGRESS_CoercePos(infoPtr);
 525             TRACE("PBM_SETPOS: current pos changed from %d to %d\n", oldVal, infoPtr->CurVal);
 526             PROGRESS_Invalidate( infoPtr, oldVal, infoPtr->CurVal );
 527             UpdateWindow( infoPtr->Self );
 528         }
 529         return oldVal;
 530     }
 531 }
 532
 533 /***********************************************************************
 534  *           ProgressWindowProc
 535  */
 536 static LRESULT WINAPI ProgressWindowProc(HWND hwnd, UINT message,
 537                                          WPARAM wParam, LPARAM lParam)
 538 {
 539     PROGRESS_INFO *infoPtr;
 540     static const WCHAR themeClass[] = {'P','r','o','g','r','e','s','s',0};
 541     HTHEME theme;
 542
 543     TRACE("hwnd=%p msg=%04x wparam=%lx lParam=%lx\n", hwnd, message, wParam, lParam);
 544
 545     infoPtr = (PROGRESS_INFO *)GetWindowLongPtrW(hwnd, 0);
 546
 547     if (!infoPtr && message != WM_CREATE)
 548         return DefWindowProcW( hwnd, message, wParam, lParam );
 549
 550     switch(message) {
 551     case WM_CREATE:
 552     {
 553         DWORD dwExStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
 554
 555         theme = OpenThemeData (hwnd, themeClass);
 556
 557         dwExStyle &= ~(WS_EX_CLIENTEDGE | WS_EX_WINDOWEDGE);
 558         if (!theme) dwExStyle |= WS_EX_STATICEDGE;
 559         SetWindowLongW (hwnd, GWL_EXSTYLE, dwExStyle);
 560         /* Force recalculation of a non-client area */
 561         SetWindowPos(hwnd, 0, 0, 0, 0, 0,
 562             SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
 563
 564         /* allocate memory for info struct */
 565         infoPtr = Alloc (sizeof(PROGRESS_INFO));
 566         if (!infoPtr) return -1;
 567         SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
 568
 569         /* initialize the info struct */
 570         infoPtr->Self = hwnd;
 571         infoPtr->MinVal = 0;
 572         infoPtr->MaxVal = 100;
 573         infoPtr->CurVal = 0;
 574         infoPtr->Step = 10;
 575         infoPtr->MarqueePos = 0;
 576         infoPtr->Marquee = FALSE;
 577         infoPtr->ColorBar = CLR_DEFAULT;
 578         infoPtr->ColorBk = CLR_DEFAULT;
 579         infoPtr->Font = 0;
 580
 581         TRACE("Progress Ctrl creation, hwnd=%p\n", hwnd);
 582         return 0;
 583     }
 584
 585     case WM_DESTROY:
 586         TRACE("Progress Ctrl destruction, hwnd=%p\n", hwnd);
 587         Free (infoPtr);
 588         SetWindowLongPtrW(hwnd, 0, 0);
 589         theme = GetWindowTheme (hwnd);
 590         CloseThemeData (theme);
 591         return 0;
 592
 593     case WM_ERASEBKGND:
 594         return 1;
 595
 596     case WM_GETFONT:
 597         return (LRESULT)infoPtr->Font;
 598
 599     case WM_SETFONT:
 600         return (LRESULT)PROGRESS_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
 601
 602     case WM_PRINTCLIENT:
 603     case WM_PAINT:
 604         return PROGRESS_Paint (infoPtr, (HDC)wParam);
 605
 606     case WM_TIMER:
 607         if (wParam == ID_MARQUEE_TIMER)
 608             PROGRESS_UpdateMarquee (infoPtr);
 609         return 0;
 610
 611     case WM_THEMECHANGED:
 612     {
 613         DWORD dwExStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
 614
 615         theme = GetWindowTheme (hwnd);
 616         CloseThemeData (theme);
 617         theme = OpenThemeData (hwnd, themeClass);
 618
 619         /* WS_EX_STATICEDGE disappears when the control is themed */
 620         if (theme)
 621             dwExStyle &= ~WS_EX_STATICEDGE;
 622         else
 623             dwExStyle |= WS_EX_STATICEDGE;
 624         SetWindowLongW (hwnd, GWL_EXSTYLE, dwExStyle);
 625
 626         InvalidateRect (hwnd, NULL, FALSE);
 627         return 0;
 628     }
 629
 630     case PBM_DELTAPOS:
 631     {
 632         INT oldVal;
 633         oldVal = infoPtr->CurVal;
 634         if(wParam != 0) {
 635             infoPtr->CurVal += (INT)wParam;
 636             PROGRESS_CoercePos (infoPtr);
 637             TRACE("PBM_DELTAPOS: current pos changed from %d to %d\n", oldVal, infoPtr->CurVal);
 638             PROGRESS_Invalidate( infoPtr, oldVal, infoPtr->CurVal );
 639             UpdateWindow( infoPtr->Self );
 640         }
 641         return oldVal;
 642     }
 643
 644     case PBM_SETPOS:
 645         return PROGRESS_SetPos(infoPtr, wParam);
 646
 647     case PBM_SETRANGE:
 648         return PROGRESS_SetRange (infoPtr, (int)LOWORD(lParam), (int)HIWORD(lParam));
 649
 650     case PBM_SETSTEP:
 651     {
 652         INT oldStep;
 653         oldStep = infoPtr->Step;
 654         infoPtr->Step = (INT)wParam;
 655         return oldStep;
 656     }
 657
 658     case PBM_GETSTEP:
 659         return infoPtr->Step;
 660
 661     case PBM_STEPIT:
 662     {
 663         INT oldVal;
 664         oldVal = infoPtr->CurVal;
 665         infoPtr->CurVal += infoPtr->Step;
 666         if(infoPtr->CurVal > infoPtr->MaxVal)
 667             infoPtr->CurVal = infoPtr->MinVal;
 668         if(oldVal != infoPtr->CurVal)
 669         {
 670             TRACE("PBM_STEPIT: current pos changed from %d to %d\n", oldVal, infoPtr->CurVal);
 671             PROGRESS_Invalidate( infoPtr, oldVal, infoPtr->CurVal );
 672             UpdateWindow( infoPtr->Self );
 673         }
 674         return oldVal;
 675     }
 676
 677     case PBM_SETRANGE32:
 678         return PROGRESS_SetRange (infoPtr, (int)wParam, (int)lParam);
 679
 680     case PBM_GETRANGE:
 681         if (lParam) {
 682             ((PPBRANGE)lParam)->iLow = infoPtr->MinVal;
 683             ((PPBRANGE)lParam)->iHigh = infoPtr->MaxVal;
 684         }
 685         return wParam ? infoPtr->MinVal : infoPtr->MaxVal;
 686
 687     case PBM_GETPOS:
 688         return infoPtr->CurVal;
 689
 690     case PBM_SETBARCOLOR:
 691     {
 692         COLORREF clr = infoPtr->ColorBar;
 693
 694         infoPtr->ColorBar = (COLORREF)lParam;
 695         InvalidateRect(hwnd, NULL, TRUE);
 696         return clr;
 697     }
 698
 699     case PBM_GETBARCOLOR:
 700         return infoPtr->ColorBar;
 701
 702     case PBM_SETBKCOLOR:
 703     {
 704         COLORREF clr = infoPtr->ColorBk;
 705
 706         infoPtr->ColorBk = (COLORREF)lParam;
 707         InvalidateRect(hwnd, NULL, TRUE);
 708         return clr;
 709     }
 710
 711     case PBM_GETBKCOLOR:
 712         return infoPtr->ColorBk;
 713
 714     case PBM_SETSTATE:
 715         if(wParam != PBST_NORMAL)
 716             FIXME("state %04lx not yet handled\n", wParam);
 717         return PBST_NORMAL;
 718
 719     case PBM_GETSTATE:
 720         return PBST_NORMAL;
 721
 722     case PBM_SETMARQUEE:
 723         if(wParam != 0)
 724         {
 725             UINT period = lParam ? (UINT)lParam : DEFAULT_MARQUEE_PERIOD;
 726             infoPtr->Marquee = TRUE;
 727             SetTimer(infoPtr->Self, ID_MARQUEE_TIMER, period, NULL);
 728         }
 729         else
 730         {
 731             infoPtr->Marquee = FALSE;
 732             KillTimer(infoPtr->Self, ID_MARQUEE_TIMER);
 733         }
 734         return infoPtr->Marquee;
 735
 736     default:
 737         if ((message >= WM_USER) && (message < WM_APP) && !COMCTL32_IsReflectedMessage(message))
 738             ERR("unknown msg %04x wp=%04lx lp=%08lx\n", message, wParam, lParam );
 739         return DefWindowProcW( hwnd, message, wParam, lParam );
 740     }
 741 }
 742
 743
 744 /***********************************************************************
 745  * PROGRESS_Register [Internal]
 746  *
 747  * Registers the progress bar window class.
 748  */
 749 void PROGRESS_Register (void)
 750 {
 751     WNDCLASSW wndClass;
 752
 753     ZeroMemory (&wndClass, sizeof(wndClass));
 754     wndClass.style         = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
 755     wndClass.lpfnWndProc   = ProgressWindowProc;
 756     wndClass.cbClsExtra    = 0;
 757     wndClass.cbWndExtra    = sizeof (PROGRESS_INFO *);
 758     wndClass.hCursor       = LoadCursorW (0, (LPWSTR)IDC_ARROW);
 759     wndClass.lpszClassName = PROGRESS_CLASSW;
 760
 761     RegisterClassW (&wndClass);
 762 }
 763
 764
 765 /***********************************************************************
 766  * PROGRESS_Unregister [Internal]
 767  *
 768  * Unregisters the progress bar window class.
 769  */
 770 void PROGRESS_Unregister (void)
 771 {
 772     UnregisterClassW (PROGRESS_CLASSW, NULL);
 773 }