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