4 * Copyright 1998, 1999 Eric Kohl
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.
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.
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
22 * This code was audited for completeness against the documented features
23 * of Comctl32.dll version 6.0 on Sep. 18, 2004, by Robert Shearman.
25 * Unless otherwise noted, we believe this code to be complete, as per
26 * the specification mentioned above.
27 * If you discover missing features or bugs please note them below.
30 * Implement repetitive button press.
31 * Adjust arrow size relative to size of button.
32 * Allow border size changes.
38 * WM_PRINT and/or WM_PRINTCLIENT
41 * Tested primarily with the controlspy Pager application.
42 * Susan Farley (susan@codeweavers.com)
44 * IMPLEMENTATION NOTES:
45 * This control uses WM_NCPAINT instead of WM_PAINT to paint itself
46 * as we need to scroll a child window. In order to do this we move
47 * the child window in the control's client area, using the clipping
48 * region that is automatically set around the client area. As the
49 * entire client area now consists of the child window, we must
50 * allocate space (WM_NCCALCSIZE) for the buttons and draw them as
51 * a non-client area (WM_NCPAINT).
52 * Robert Shearman <rob@codeweavers.com>
64 #include "wine/debug.h"
66 WINE_DEFAULT_DEBUG_CHANNEL(pager);
70 HWND hwndSelf; /* handle of the control wnd */
71 HWND hwndChild; /* handle of the contained wnd */
72 HWND hwndNotify; /* handle of the parent wnd */
73 DWORD dwStyle; /* styles for this control */
74 COLORREF clrBk; /* background color */
75 INT nBorder; /* border size for the control */
76 INT nButtonSize;/* size of the pager btns */
77 INT nPos; /* scroll position */
78 INT nWidth; /* from child wnd's response to PGN_CALCSIZE */
79 INT nHeight; /* from child wnd's response to PGN_CALCSIZE */
80 BOOL bForward; /* forward WM_MOUSEMOVE msgs to the contained wnd */
81 BOOL bCapture; /* we have captured the mouse */
82 INT TLbtnState; /* state of top or left btn */
83 INT BRbtnState; /* state of bottom or right btn */
84 INT direction; /* direction of the scroll, (e.g. PGF_SCROLLUP) */
87 #define MIN_ARROW_WIDTH 8
88 #define MIN_ARROW_HEIGHT 5
92 #define INITIAL_DELAY 500
93 #define REPEAT_DELAY 50
96 PAGER_GetButtonRects(const PAGER_INFO* infoPtr, RECT* prcTopLeft, RECT* prcBottomRight, BOOL bClientCoords)
99 GetWindowRect (infoPtr->hwndSelf, &rcWindow);
102 MapWindowPoints( 0, infoPtr->hwndSelf, (POINT *)&rcWindow, 2 );
104 OffsetRect(&rcWindow, -rcWindow.left, -rcWindow.top);
106 *prcTopLeft = *prcBottomRight = rcWindow;
107 if (infoPtr->dwStyle & PGS_HORZ)
109 prcTopLeft->right = prcTopLeft->left + infoPtr->nButtonSize;
110 prcBottomRight->left = prcBottomRight->right - infoPtr->nButtonSize;
114 prcTopLeft->bottom = prcTopLeft->top + infoPtr->nButtonSize;
115 prcBottomRight->top = prcBottomRight->bottom - infoPtr->nButtonSize;
119 /* the horizontal arrows are:
132 PAGER_DrawHorzArrow (HDC hdc, RECT r, INT colorRef, BOOL left)
137 w = r.right - r.left + 1;
138 h = r.bottom - r.top + 1;
139 if ((h < MIN_ARROW_WIDTH) || (w < MIN_ARROW_HEIGHT))
140 return; /* refuse to draw partial arrow */
142 if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
143 hOldPen = SelectObject ( hdc, hPen );
146 x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 3;
147 y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
148 MoveToEx (hdc, x, y, NULL);
149 LineTo (hdc, x--, y+5); y++;
150 MoveToEx (hdc, x, y, NULL);
151 LineTo (hdc, x--, y+3); y++;
152 MoveToEx (hdc, x, y, NULL);
153 LineTo (hdc, x, y+1);
157 x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
158 y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
159 MoveToEx (hdc, x, y, NULL);
160 LineTo (hdc, x++, y+5); y++;
161 MoveToEx (hdc, x, y, NULL);
162 LineTo (hdc, x++, y+3); y++;
163 MoveToEx (hdc, x, y, NULL);
164 LineTo (hdc, x, y+1);
167 SelectObject( hdc, hOldPen );
168 DeleteObject( hPen );
171 /* the vertical arrows are:
181 PAGER_DrawVertArrow (HDC hdc, RECT r, INT colorRef, BOOL up)
186 w = r.right - r.left + 1;
187 h = r.bottom - r.top + 1;
188 if ((h < MIN_ARROW_WIDTH) || (w < MIN_ARROW_HEIGHT))
189 return; /* refuse to draw partial arrow */
191 if (!(hPen = CreatePen( PS_SOLID, 1, GetSysColor( colorRef )))) return;
192 hOldPen = SelectObject ( hdc, hPen );
195 x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
196 y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 3;
197 MoveToEx (hdc, x, y, NULL);
198 LineTo (hdc, x+5, y--); x++;
199 MoveToEx (hdc, x, y, NULL);
200 LineTo (hdc, x+3, y--); x++;
201 MoveToEx (hdc, x, y, NULL);
202 LineTo (hdc, x+1, y);
206 x = r.left + ((w - MIN_ARROW_HEIGHT) / 2) + 1;
207 y = r.top + ((h - MIN_ARROW_WIDTH) / 2) + 1;
208 MoveToEx (hdc, x, y, NULL);
209 LineTo (hdc, x+5, y++); x++;
210 MoveToEx (hdc, x, y, NULL);
211 LineTo (hdc, x+3, y++); x++;
212 MoveToEx (hdc, x, y, NULL);
213 LineTo (hdc, x+1, y);
216 SelectObject( hdc, hOldPen );
217 DeleteObject( hPen );
221 PAGER_DrawButton(HDC hdc, COLORREF clrBk, RECT arrowRect,
222 BOOL horz, BOOL topLeft, INT btnState)
224 HBRUSH hBrush, hOldBrush;
227 TRACE("arrowRect = %s, btnState = %d\n", wine_dbgstr_rect(&arrowRect), btnState);
229 if (btnState == PGF_INVISIBLE)
232 if ((rc.right - rc.left <= 0) || (rc.bottom - rc.top <= 0))
235 hBrush = CreateSolidBrush(clrBk);
236 hOldBrush = SelectObject(hdc, hBrush);
238 FillRect(hdc, &rc, hBrush);
240 if (btnState == PGF_HOT)
242 DrawEdge( hdc, &rc, BDR_RAISEDINNER, BF_RECT);
244 PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
246 PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
248 else if (btnState == PGF_NORMAL)
250 DrawEdge (hdc, &rc, BDR_OUTER, BF_FLAT);
252 PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
254 PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
256 else if (btnState == PGF_DEPRESSED)
258 DrawEdge( hdc, &rc, BDR_SUNKENOUTER, BF_RECT);
260 PAGER_DrawHorzArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
262 PAGER_DrawVertArrow(hdc, rc, COLOR_WINDOWFRAME, topLeft);
264 else if (btnState == PGF_GRAYED)
266 DrawEdge (hdc, &rc, BDR_OUTER, BF_FLAT);
269 PAGER_DrawHorzArrow(hdc, rc, COLOR_3DHIGHLIGHT, topLeft);
270 rc.left++, rc.top++; rc.right++, rc.bottom++;
271 PAGER_DrawHorzArrow(hdc, rc, COLOR_3DSHADOW, topLeft);
275 PAGER_DrawVertArrow(hdc, rc, COLOR_3DHIGHLIGHT, topLeft);
276 rc.left++, rc.top++; rc.right++, rc.bottom++;
277 PAGER_DrawVertArrow(hdc, rc, COLOR_3DSHADOW, topLeft);
281 SelectObject( hdc, hOldBrush );
282 DeleteObject(hBrush);
285 /* << PAGER_GetDropTarget >> */
287 static inline LRESULT
288 PAGER_ForwardMouse (PAGER_INFO* infoPtr, BOOL bFwd)
290 TRACE("[%p]\n", infoPtr->hwndSelf);
292 infoPtr->bForward = bFwd;
297 static inline LRESULT
298 PAGER_GetButtonState (const PAGER_INFO* infoPtr, INT btn)
300 LRESULT btnState = PGF_INVISIBLE;
301 TRACE("[%p]\n", infoPtr->hwndSelf);
303 if (btn == PGB_TOPORLEFT)
304 btnState = infoPtr->TLbtnState;
305 else if (btn == PGB_BOTTOMORRIGHT)
306 btnState = infoPtr->BRbtnState;
313 PAGER_GetPos(const PAGER_INFO *infoPtr)
315 TRACE("[%p] returns %d\n", infoPtr->hwndSelf, infoPtr->nPos);
316 return infoPtr->nPos;
320 PAGER_GetButtonSize(const PAGER_INFO *infoPtr)
322 TRACE("[%p] returns %d\n", infoPtr->hwndSelf, infoPtr->nButtonSize);
323 return infoPtr->nButtonSize;
327 PAGER_GetBorder(const PAGER_INFO *infoPtr)
329 TRACE("[%p] returns %d\n", infoPtr->hwndSelf, infoPtr->nBorder);
330 return infoPtr->nBorder;
333 static inline COLORREF
334 PAGER_GetBkColor(const PAGER_INFO *infoPtr)
336 TRACE("[%p] returns %06x\n", infoPtr->hwndSelf, infoPtr->clrBk);
337 return infoPtr->clrBk;
341 PAGER_CalcSize (const PAGER_INFO *infoPtr, INT* size, BOOL getWidth)
344 ZeroMemory (&nmpgcs, sizeof (NMPGCALCSIZE));
345 nmpgcs.hdr.hwndFrom = infoPtr->hwndSelf;
346 nmpgcs.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
347 nmpgcs.hdr.code = PGN_CALCSIZE;
348 nmpgcs.dwFlag = getWidth ? PGF_CALCWIDTH : PGF_CALCHEIGHT;
349 nmpgcs.iWidth = getWidth ? *size : 0;
350 nmpgcs.iHeight = getWidth ? 0 : *size;
351 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmpgcs.hdr.idFrom, (LPARAM)&nmpgcs);
353 *size = getWidth ? nmpgcs.iWidth : nmpgcs.iHeight;
355 TRACE("[%p] PGN_CALCSIZE returns %s=%d\n", infoPtr->hwndSelf,
356 getWidth ? "width" : "height", *size);
360 PAGER_PositionChildWnd(PAGER_INFO* infoPtr)
362 if (infoPtr->hwndChild)
365 int nPos = infoPtr->nPos;
367 /* compensate for a grayed btn, which will soon become invisible */
368 if (infoPtr->TLbtnState == PGF_GRAYED)
369 nPos += infoPtr->nButtonSize;
371 GetClientRect(infoPtr->hwndSelf, &rcClient);
373 if (infoPtr->dwStyle & PGS_HORZ)
375 int wndSize = max(0, rcClient.right - rcClient.left);
376 if (infoPtr->nWidth < wndSize)
377 infoPtr->nWidth = wndSize;
379 TRACE("[%p] SWP %dx%d at (%d,%d)\n", infoPtr->hwndSelf,
380 infoPtr->nWidth, infoPtr->nHeight,
382 SetWindowPos(infoPtr->hwndChild, 0,
384 infoPtr->nWidth, infoPtr->nHeight,
389 int wndSize = max(0, rcClient.bottom - rcClient.top);
390 if (infoPtr->nHeight < wndSize)
391 infoPtr->nHeight = wndSize;
393 TRACE("[%p] SWP %dx%d at (%d,%d)\n", infoPtr->hwndSelf,
394 infoPtr->nWidth, infoPtr->nHeight,
396 SetWindowPos(infoPtr->hwndChild, 0,
398 infoPtr->nWidth, infoPtr->nHeight,
402 InvalidateRect(infoPtr->hwndChild, NULL, TRUE);
407 PAGER_GetScrollRange(PAGER_INFO* infoPtr)
411 if (infoPtr->hwndChild)
413 INT wndSize, childSize;
415 GetWindowRect(infoPtr->hwndSelf, &wndRect);
417 if (infoPtr->dwStyle & PGS_HORZ)
419 wndSize = wndRect.right - wndRect.left;
420 PAGER_CalcSize(infoPtr, &infoPtr->nWidth, TRUE);
421 childSize = infoPtr->nWidth;
425 wndSize = wndRect.bottom - wndRect.top;
426 PAGER_CalcSize(infoPtr, &infoPtr->nHeight, FALSE);
427 childSize = infoPtr->nHeight;
430 TRACE("childSize = %d, wndSize = %d\n", childSize, wndSize);
431 if (childSize > wndSize)
432 scrollRange = childSize - wndSize + infoPtr->nButtonSize;
435 TRACE("[%p] returns %d\n", infoPtr->hwndSelf, scrollRange);
440 PAGER_UpdateBtns(PAGER_INFO *infoPtr, INT scrollRange, BOOL hideGrayBtns)
444 INT oldTLbtnState = infoPtr->TLbtnState;
445 INT oldBRbtnState = infoPtr->BRbtnState;
447 RECT rcTopLeft, rcBottomRight;
449 /* get button rects */
450 PAGER_GetButtonRects(infoPtr, &rcTopLeft, &rcBottomRight, FALSE);
454 /* update states based on scroll position */
455 if (infoPtr->nPos > 0)
457 if (infoPtr->TLbtnState == PGF_INVISIBLE || infoPtr->TLbtnState == PGF_GRAYED)
458 infoPtr->TLbtnState = PGF_NORMAL;
460 else if (PtInRect(&rcTopLeft, pt))
461 infoPtr->TLbtnState = PGF_GRAYED;
463 infoPtr->TLbtnState = PGF_INVISIBLE;
465 if (scrollRange <= 0)
467 infoPtr->TLbtnState = PGF_INVISIBLE;
468 infoPtr->BRbtnState = PGF_INVISIBLE;
470 else if (infoPtr->nPos < scrollRange)
472 if (infoPtr->BRbtnState == PGF_INVISIBLE || infoPtr->BRbtnState == PGF_GRAYED)
473 infoPtr->BRbtnState = PGF_NORMAL;
475 else if (PtInRect(&rcBottomRight, pt))
476 infoPtr->BRbtnState = PGF_GRAYED;
478 infoPtr->BRbtnState = PGF_INVISIBLE;
480 /* only need to resize when entering or leaving PGF_INVISIBLE state */
482 ((oldTLbtnState == PGF_INVISIBLE) != (infoPtr->TLbtnState == PGF_INVISIBLE)) ||
483 ((oldBRbtnState == PGF_INVISIBLE) != (infoPtr->BRbtnState == PGF_INVISIBLE));
484 /* initiate NCCalcSize to resize client wnd if necessary */
486 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
487 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
488 SWP_NOZORDER | SWP_NOACTIVATE);
490 /* repaint when changing any state */
491 repaintBtns = (oldTLbtnState != infoPtr->TLbtnState) ||
492 (oldBRbtnState != infoPtr->BRbtnState);
494 SendMessageW(infoPtr->hwndSelf, WM_NCPAINT, 0, 0);
498 PAGER_SetPos(PAGER_INFO* infoPtr, INT newPos, BOOL fromBtnPress)
500 INT scrollRange = PAGER_GetScrollRange(infoPtr);
501 INT oldPos = infoPtr->nPos;
503 if ((scrollRange <= 0) || (newPos < 0))
505 else if (newPos > scrollRange)
506 infoPtr->nPos = scrollRange;
508 infoPtr->nPos = newPos;
510 TRACE("[%p] pos=%d, oldpos=%d\n", infoPtr->hwndSelf, infoPtr->nPos, oldPos);
512 if (infoPtr->nPos != oldPos)
514 /* gray and restore btns, and if from WM_SETPOS, hide the gray btns */
515 PAGER_UpdateBtns(infoPtr, scrollRange, !fromBtnPress);
516 PAGER_PositionChildWnd(infoPtr);
523 PAGER_WindowPosChanging(PAGER_INFO* infoPtr, WINDOWPOS *winpos)
525 if ((infoPtr->dwStyle & CCS_NORESIZE) && !(winpos->flags & SWP_NOSIZE))
527 /* don't let the app resize the nonscrollable dimension of a control
528 * that was created with CCS_NORESIZE style
529 * (i.e. height for a horizontal pager, or width for a vertical one) */
531 /* except if the current dimension is 0 and app is setting for
532 * first time, then save amount as dimension. - GA 8/01 */
534 if (infoPtr->dwStyle & PGS_HORZ)
535 if (!infoPtr->nHeight && winpos->cy)
536 infoPtr->nHeight = winpos->cy;
538 winpos->cy = infoPtr->nHeight;
540 if (!infoPtr->nWidth && winpos->cx)
541 infoPtr->nWidth = winpos->cx;
543 winpos->cx = infoPtr->nWidth;
547 return DefWindowProcW (infoPtr->hwndSelf, WM_WINDOWPOSCHANGING, 0, (LPARAM)winpos);
551 PAGER_SetFixedWidth(PAGER_INFO* infoPtr)
553 /* Must set the non-scrollable dimension to be less than the full height/width
554 * so that NCCalcSize is called. The Microsoft docs mention 3/4 factor for button
555 * size, and experimentation shows that the effect is almost right. */
559 GetWindowRect(infoPtr->hwndSelf, &wndRect);
561 /* see what the app says for btn width */
562 PAGER_CalcSize(infoPtr, &infoPtr->nWidth, TRUE);
564 if (infoPtr->dwStyle & CCS_NORESIZE)
566 delta = wndRect.right - wndRect.left - infoPtr->nWidth;
567 if (delta > infoPtr->nButtonSize)
568 infoPtr->nWidth += 4 * infoPtr->nButtonSize / 3;
570 infoPtr->nWidth += infoPtr->nButtonSize / 3;
573 h = wndRect.bottom - wndRect.top + infoPtr->nButtonSize;
575 TRACE("[%p] infoPtr->nWidth set to %d\n",
576 infoPtr->hwndSelf, infoPtr->nWidth);
582 PAGER_SetFixedHeight(PAGER_INFO* infoPtr)
584 /* Must set the non-scrollable dimension to be less than the full height/width
585 * so that NCCalcSize is called. The Microsoft docs mention 3/4 factor for button
586 * size, and experimentation shows that the effect is almost right. */
590 GetWindowRect(infoPtr->hwndSelf, &wndRect);
592 /* see what the app says for btn height */
593 PAGER_CalcSize(infoPtr, &infoPtr->nHeight, FALSE);
595 if (infoPtr->dwStyle & CCS_NORESIZE)
597 delta = wndRect.bottom - wndRect.top - infoPtr->nHeight;
598 if (delta > infoPtr->nButtonSize)
599 infoPtr->nHeight += infoPtr->nButtonSize;
601 infoPtr->nHeight += infoPtr->nButtonSize / 3;
604 w = wndRect.right - wndRect.left + infoPtr->nButtonSize;
606 TRACE("[%p] infoPtr->nHeight set to %d\n",
607 infoPtr->hwndSelf, infoPtr->nHeight);
612 /******************************************************************
613 * For the PGM_RECALCSIZE message (but not the other uses in *
614 * this module), the native control does only the following: *
616 * if (some condition) *
617 * PostMessageW(hwnd, EM_FMTLINES, 0, 0); *
618 * return DefWindowProcW(hwnd, PGM_RECALCSIZE, 0, 0); *
620 * When we figure out what the "some condition" is we will *
621 * implement that for the message processing. *
622 ******************************************************************/
625 PAGER_RecalcSize(PAGER_INFO *infoPtr)
627 TRACE("[%p]\n", infoPtr->hwndSelf);
629 if (infoPtr->hwndChild)
631 INT scrollRange = PAGER_GetScrollRange(infoPtr);
633 if (scrollRange <= 0)
636 PAGER_SetPos(infoPtr, 0, FALSE);
639 PAGER_PositionChildWnd(infoPtr);
647 PAGER_SetBkColor (PAGER_INFO* infoPtr, COLORREF clrBk)
649 COLORREF clrTemp = infoPtr->clrBk;
651 infoPtr->clrBk = clrBk;
652 TRACE("[%p] %06x\n", infoPtr->hwndSelf, infoPtr->clrBk);
654 /* the native control seems to do things this way */
655 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
656 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
657 SWP_NOZORDER | SWP_NOACTIVATE);
659 RedrawWindow(infoPtr->hwndSelf, 0, 0, RDW_ERASE | RDW_INVALIDATE);
666 PAGER_SetBorder (PAGER_INFO* infoPtr, INT iBorder)
668 INT nTemp = infoPtr->nBorder;
670 infoPtr->nBorder = iBorder;
671 TRACE("[%p] %d\n", infoPtr->hwndSelf, infoPtr->nBorder);
673 PAGER_RecalcSize(infoPtr);
680 PAGER_SetButtonSize (PAGER_INFO* infoPtr, INT iButtonSize)
682 INT nTemp = infoPtr->nButtonSize;
684 infoPtr->nButtonSize = iButtonSize;
685 TRACE("[%p] %d\n", infoPtr->hwndSelf, infoPtr->nButtonSize);
687 PAGER_RecalcSize(infoPtr);
694 PAGER_SetChild (PAGER_INFO* infoPtr, HWND hwndChild)
698 infoPtr->hwndChild = IsWindow (hwndChild) ? hwndChild : 0;
700 if (infoPtr->hwndChild)
702 TRACE("[%p] hwndChild=%p\n", infoPtr->hwndSelf, infoPtr->hwndChild);
704 if (infoPtr->dwStyle & PGS_HORZ) {
705 hw = PAGER_SetFixedHeight(infoPtr);
706 /* adjust non-scrollable dimension to fit the child */
707 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, hw, infoPtr->nHeight,
708 SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOZORDER |
709 SWP_NOSIZE | SWP_NOACTIVATE);
712 hw = PAGER_SetFixedWidth(infoPtr);
713 /* adjust non-scrollable dimension to fit the child */
714 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->nWidth, hw,
715 SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOZORDER |
716 SWP_NOSIZE | SWP_NOACTIVATE);
719 /* position child within the page scroller */
720 SetWindowPos(infoPtr->hwndChild, HWND_TOP,
722 SWP_SHOWWINDOW | SWP_NOSIZE); /* native is 0 */
725 PAGER_SetPos(infoPtr, 0, FALSE);
732 PAGER_Scroll(PAGER_INFO* infoPtr, INT dir)
734 NMPGSCROLL nmpgScroll;
737 if (infoPtr->hwndChild)
739 ZeroMemory (&nmpgScroll, sizeof (NMPGSCROLL));
740 nmpgScroll.hdr.hwndFrom = infoPtr->hwndSelf;
741 nmpgScroll.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
742 nmpgScroll.hdr.code = PGN_SCROLL;
744 GetWindowRect(infoPtr->hwndSelf, &rcWnd);
745 GetClientRect(infoPtr->hwndSelf, &nmpgScroll.rcParent);
746 nmpgScroll.iXpos = nmpgScroll.iYpos = 0;
747 nmpgScroll.iDir = dir;
749 if (infoPtr->dwStyle & PGS_HORZ)
751 nmpgScroll.iScroll = rcWnd.right - rcWnd.left;
752 nmpgScroll.iXpos = infoPtr->nPos;
756 nmpgScroll.iScroll = rcWnd.bottom - rcWnd.top;
757 nmpgScroll.iYpos = infoPtr->nPos;
759 nmpgScroll.iScroll -= 2*infoPtr->nButtonSize;
761 SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmpgScroll.hdr.idFrom, (LPARAM)&nmpgScroll);
763 TRACE("[%p] PGN_SCROLL returns iScroll=%d\n", infoPtr->hwndSelf, nmpgScroll.iScroll);
765 if (nmpgScroll.iScroll > 0)
767 infoPtr->direction = dir;
769 if (dir == PGF_SCROLLLEFT || dir == PGF_SCROLLUP)
770 PAGER_SetPos(infoPtr, infoPtr->nPos - nmpgScroll.iScroll, TRUE);
772 PAGER_SetPos(infoPtr, infoPtr->nPos + nmpgScroll.iScroll, TRUE);
775 infoPtr->direction = -1;
780 PAGER_FmtLines(const PAGER_INFO *infoPtr)
782 /* initiate NCCalcSize to resize client wnd and get size */
783 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
784 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
785 SWP_NOZORDER | SWP_NOACTIVATE);
787 SetWindowPos(infoPtr->hwndChild, 0,
788 0,0,infoPtr->nWidth,infoPtr->nHeight,
791 return DefWindowProcW (infoPtr->hwndSelf, EM_FMTLINES, 0, 0);
795 PAGER_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
799 /* allocate memory for info structure */
800 infoPtr = Alloc (sizeof(PAGER_INFO));
801 if (!infoPtr) return -1;
802 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
804 /* set default settings */
805 infoPtr->hwndSelf = hwnd;
806 infoPtr->hwndChild = NULL;
807 infoPtr->hwndNotify = lpcs->hwndParent;
808 infoPtr->dwStyle = lpcs->style;
809 infoPtr->clrBk = GetSysColor(COLOR_BTNFACE);
810 infoPtr->nBorder = 0;
811 infoPtr->nButtonSize = 12;
814 infoPtr->nHeight = 0;
815 infoPtr->bForward = FALSE;
816 infoPtr->bCapture = FALSE;
817 infoPtr->TLbtnState = PGF_INVISIBLE;
818 infoPtr->BRbtnState = PGF_INVISIBLE;
819 infoPtr->direction = -1;
821 if (infoPtr->dwStyle & PGS_DRAGNDROP)
822 FIXME("[%p] Drag and Drop style is not implemented yet.\n", infoPtr->hwndSelf);
829 PAGER_Destroy (PAGER_INFO *infoPtr)
831 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
832 Free (infoPtr); /* free pager info data */
837 PAGER_NCCalcSize(PAGER_INFO* infoPtr, WPARAM wParam, LPRECT lpRect)
839 RECT rcChild, rcWindow;
842 * lpRect points to a RECT struct. On entry, the struct
843 * contains the proposed wnd rectangle for the window.
844 * On exit, the struct should contain the screen
845 * coordinates of the corresponding window's client area.
848 DefWindowProcW (infoPtr->hwndSelf, WM_NCCALCSIZE, wParam, (LPARAM)lpRect);
850 TRACE("orig rect=%s\n", wine_dbgstr_rect(lpRect));
852 GetWindowRect (infoPtr->hwndChild, &rcChild);
853 MapWindowPoints (0, infoPtr->hwndSelf, (LPPOINT)&rcChild, 2); /* FIXME: RECT != 2 POINTS */
854 GetWindowRect (infoPtr->hwndSelf, &rcWindow);
856 if (infoPtr->dwStyle & PGS_HORZ)
858 infoPtr->nWidth = lpRect->right - lpRect->left;
859 PAGER_CalcSize (infoPtr, &infoPtr->nWidth, TRUE);
861 if (infoPtr->TLbtnState && (lpRect->left + infoPtr->nButtonSize < lpRect->right))
862 lpRect->left += infoPtr->nButtonSize;
863 if (infoPtr->BRbtnState && (lpRect->right - infoPtr->nButtonSize > lpRect->left))
864 lpRect->right -= infoPtr->nButtonSize;
868 infoPtr->nHeight = lpRect->bottom - lpRect->top;
869 PAGER_CalcSize (infoPtr, &infoPtr->nHeight, FALSE);
871 if (infoPtr->TLbtnState && (lpRect->top + infoPtr->nButtonSize < lpRect->bottom))
872 lpRect->top += infoPtr->nButtonSize;
873 if (infoPtr->BRbtnState && (lpRect->bottom - infoPtr->nButtonSize > lpRect->top))
874 lpRect->bottom -= infoPtr->nButtonSize;
877 TRACE("nPos=%d, nHeight=%d, window=%s\n",
878 infoPtr->nPos, infoPtr->nHeight,
879 wine_dbgstr_rect(&rcWindow));
881 TRACE("[%p] client rect set to %dx%d at (%d,%d) BtnState[%d,%d]\n",
882 infoPtr->hwndSelf, lpRect->right-lpRect->left, lpRect->bottom-lpRect->top,
883 lpRect->left, lpRect->top,
884 infoPtr->TLbtnState, infoPtr->BRbtnState);
890 PAGER_NCPaint (const PAGER_INFO* infoPtr, HRGN hRgn)
892 RECT rcBottomRight, rcTopLeft;
895 if (infoPtr->dwStyle & WS_MINIMIZE)
898 DefWindowProcW (infoPtr->hwndSelf, WM_NCPAINT, (WPARAM)hRgn, 0);
900 if (!(hdc = GetDCEx (infoPtr->hwndSelf, 0, DCX_USESTYLE | DCX_WINDOW)))
903 PAGER_GetButtonRects(infoPtr, &rcTopLeft, &rcBottomRight, FALSE);
905 PAGER_DrawButton(hdc, infoPtr->clrBk, rcTopLeft,
906 infoPtr->dwStyle & PGS_HORZ, TRUE, infoPtr->TLbtnState);
907 PAGER_DrawButton(hdc, infoPtr->clrBk, rcBottomRight,
908 infoPtr->dwStyle & PGS_HORZ, FALSE, infoPtr->BRbtnState);
910 ReleaseDC( infoPtr->hwndSelf, hdc );
915 PAGER_HitTest (const PAGER_INFO* infoPtr, const POINT * pt)
917 RECT clientRect, rcTopLeft, rcBottomRight;
920 GetClientRect (infoPtr->hwndSelf, &clientRect);
922 if (PtInRect(&clientRect, *pt))
929 PAGER_GetButtonRects(infoPtr, &rcTopLeft, &rcBottomRight, TRUE);
931 if ((infoPtr->TLbtnState != PGF_INVISIBLE) && PtInRect(&rcTopLeft, ptWindow))
933 TRACE("PGB_TOPORLEFT\n");
934 return PGB_TOPORLEFT;
936 else if ((infoPtr->BRbtnState != PGF_INVISIBLE) && PtInRect(&rcBottomRight, ptWindow))
938 TRACE("PGB_BOTTOMORRIGHT\n");
939 return PGB_BOTTOMORRIGHT;
947 PAGER_NCHitTest (const PAGER_INFO* infoPtr, INT x, INT y)
955 ScreenToClient (infoPtr->hwndSelf, &pt);
956 nHit = PAGER_HitTest(infoPtr, &pt);
958 return (nHit < 0) ? HTTRANSPARENT : HTCLIENT;
962 PAGER_MouseMove (PAGER_INFO* infoPtr, INT keys, INT x, INT y)
965 RECT wnrect, *btnrect = NULL;
966 BOOL topLeft = FALSE;
974 TRACE("[%p] to (%d,%d)\n", infoPtr->hwndSelf, x, y);
975 ClientToScreen(infoPtr->hwndSelf, &pt);
976 GetWindowRect(infoPtr->hwndSelf, &wnrect);
977 if (PtInRect(&wnrect, pt)) {
978 RECT TLbtnrect, BRbtnrect;
979 PAGER_GetButtonRects(infoPtr, &TLbtnrect, &BRbtnrect, FALSE);
982 MapWindowPoints(0, infoPtr->hwndSelf, &clpt, 1);
983 hit = PAGER_HitTest(infoPtr, &clpt);
984 if ((hit == PGB_TOPORLEFT) && (infoPtr->TLbtnState == PGF_NORMAL))
987 btnrect = &TLbtnrect;
988 infoPtr->TLbtnState = PGF_HOT;
989 btnstate = infoPtr->TLbtnState;
991 else if ((hit == PGB_BOTTOMORRIGHT) && (infoPtr->BRbtnState == PGF_NORMAL))
994 btnrect = &BRbtnrect;
995 infoPtr->BRbtnState = PGF_HOT;
996 btnstate = infoPtr->BRbtnState;
999 /* If in one of the buttons the capture and draw buttons */
1002 TRACE("[%p] draw btn (%s), Capture %s, style %08x\n",
1003 infoPtr->hwndSelf, wine_dbgstr_rect(btnrect),
1004 (infoPtr->bCapture) ? "TRUE" : "FALSE",
1006 if (!infoPtr->bCapture)
1008 TRACE("[%p] SetCapture\n", infoPtr->hwndSelf);
1009 SetCapture(infoPtr->hwndSelf);
1010 infoPtr->bCapture = TRUE;
1012 if (infoPtr->dwStyle & PGS_AUTOSCROLL)
1013 SetTimer(infoPtr->hwndSelf, TIMERID1, 0x3e, 0);
1014 hdc = GetWindowDC(infoPtr->hwndSelf);
1015 /* OffsetRect(wnrect, 0 | 1, 0 | 1) */
1016 PAGER_DrawButton(hdc, infoPtr->clrBk, *btnrect,
1017 infoPtr->dwStyle & PGS_HORZ, topLeft, btnstate);
1018 ReleaseDC(infoPtr->hwndSelf, hdc);
1023 /* If we think we are captured, then do release */
1024 if (infoPtr->bCapture && (WindowFromPoint(pt) != infoPtr->hwndSelf))
1028 infoPtr->bCapture = FALSE;
1030 if (GetCapture() == infoPtr->hwndSelf)
1034 if (infoPtr->TLbtnState == PGF_GRAYED)
1036 infoPtr->TLbtnState = PGF_INVISIBLE;
1037 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
1038 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
1039 SWP_NOZORDER | SWP_NOACTIVATE);
1041 else if (infoPtr->TLbtnState == PGF_HOT)
1043 infoPtr->TLbtnState = PGF_NORMAL;
1044 /* FIXME: just invalidate button rect */
1045 RedrawWindow(infoPtr->hwndSelf, NULL, NULL, RDW_FRAME | RDW_INVALIDATE);
1048 if (infoPtr->BRbtnState == PGF_GRAYED)
1050 infoPtr->BRbtnState = PGF_INVISIBLE;
1051 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
1052 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
1053 SWP_NOZORDER | SWP_NOACTIVATE);
1055 else if (infoPtr->BRbtnState == PGF_HOT)
1057 infoPtr->BRbtnState = PGF_NORMAL;
1058 /* FIXME: just invalidate button rect */
1059 RedrawWindow(infoPtr->hwndSelf, NULL, NULL, RDW_FRAME | RDW_INVALIDATE);
1062 /* Notify parent of released mouse capture */
1063 memset(&nmhdr, 0, sizeof(NMHDR));
1064 nmhdr.hwndFrom = infoPtr->hwndSelf;
1065 nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1066 nmhdr.code = NM_RELEASEDCAPTURE;
1067 SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmhdr.idFrom, (LPARAM)&nmhdr);
1069 if (IsWindow(infoPtr->hwndSelf))
1070 KillTimer(infoPtr->hwndSelf, TIMERID1);
1076 PAGER_LButtonDown (PAGER_INFO* infoPtr, INT keys, INT x, INT y)
1078 BOOL repaintBtns = FALSE;
1085 TRACE("[%p] at (%d,%d)\n", infoPtr->hwndSelf, x, y);
1087 hit = PAGER_HitTest(infoPtr, &pt);
1089 /* put btn in DEPRESSED state */
1090 if (hit == PGB_TOPORLEFT)
1092 repaintBtns = infoPtr->TLbtnState != PGF_DEPRESSED;
1093 infoPtr->TLbtnState = PGF_DEPRESSED;
1094 SetTimer(infoPtr->hwndSelf, TIMERID1, INITIAL_DELAY, 0);
1096 else if (hit == PGB_BOTTOMORRIGHT)
1098 repaintBtns = infoPtr->BRbtnState != PGF_DEPRESSED;
1099 infoPtr->BRbtnState = PGF_DEPRESSED;
1100 SetTimer(infoPtr->hwndSelf, TIMERID1, INITIAL_DELAY, 0);
1104 SendMessageW(infoPtr->hwndSelf, WM_NCPAINT, 0, 0);
1109 if (infoPtr->dwStyle & PGS_HORZ)
1111 TRACE("[%p] PGF_SCROLLLEFT\n", infoPtr->hwndSelf);
1112 PAGER_Scroll(infoPtr, PGF_SCROLLLEFT);
1116 TRACE("[%p] PGF_SCROLLUP\n", infoPtr->hwndSelf);
1117 PAGER_Scroll(infoPtr, PGF_SCROLLUP);
1120 case PGB_BOTTOMORRIGHT:
1121 if (infoPtr->dwStyle & PGS_HORZ)
1123 TRACE("[%p] PGF_SCROLLRIGHT\n", infoPtr->hwndSelf);
1124 PAGER_Scroll(infoPtr, PGF_SCROLLRIGHT);
1128 TRACE("[%p] PGF_SCROLLDOWN\n", infoPtr->hwndSelf);
1129 PAGER_Scroll(infoPtr, PGF_SCROLLDOWN);
1140 PAGER_LButtonUp (PAGER_INFO* infoPtr, INT keys, INT x, INT y)
1142 TRACE("[%p]\n", infoPtr->hwndSelf);
1144 KillTimer (infoPtr->hwndSelf, TIMERID1);
1145 KillTimer (infoPtr->hwndSelf, TIMERID2);
1147 /* make PRESSED btns NORMAL but don't hide gray btns */
1148 if (infoPtr->TLbtnState & (PGF_HOT | PGF_DEPRESSED))
1149 infoPtr->TLbtnState = PGF_NORMAL;
1150 if (infoPtr->BRbtnState & (PGF_HOT | PGF_DEPRESSED))
1151 infoPtr->BRbtnState = PGF_NORMAL;
1157 PAGER_Timer (PAGER_INFO* infoPtr, INT nTimerId)
1161 /* if initial timer, kill it and start the repeat timer */
1162 if (nTimerId == TIMERID1) {
1163 if (infoPtr->TLbtnState == PGF_HOT)
1164 dir = (infoPtr->dwStyle & PGS_HORZ) ?
1165 PGF_SCROLLLEFT : PGF_SCROLLUP;
1167 dir = (infoPtr->dwStyle & PGS_HORZ) ?
1168 PGF_SCROLLRIGHT : PGF_SCROLLDOWN;
1169 TRACE("[%p] TIMERID1: style=%08x, dir=%d\n",
1170 infoPtr->hwndSelf, infoPtr->dwStyle, dir);
1171 KillTimer(infoPtr->hwndSelf, TIMERID1);
1172 SetTimer(infoPtr->hwndSelf, TIMERID1, REPEAT_DELAY, 0);
1173 if (infoPtr->dwStyle & PGS_AUTOSCROLL) {
1174 PAGER_Scroll(infoPtr, dir);
1175 SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, 0, 0,
1176 SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE |
1177 SWP_NOZORDER | SWP_NOACTIVATE);
1183 TRACE("[%p] TIMERID2: dir=%d\n", infoPtr->hwndSelf, infoPtr->direction);
1184 KillTimer(infoPtr->hwndSelf, TIMERID2);
1185 if (infoPtr->direction > 0) {
1186 PAGER_Scroll(infoPtr, infoPtr->direction);
1187 SetTimer(infoPtr->hwndSelf, TIMERID2, REPEAT_DELAY, 0);
1193 PAGER_EraseBackground (const PAGER_INFO* infoPtr, HDC hdc)
1200 parent = GetParent(infoPtr->hwndSelf);
1201 MapWindowPoints(infoPtr->hwndSelf, parent, &pt, 1);
1202 OffsetWindowOrgEx (hdc, pt.x, pt.y, &ptorig);
1203 SendMessageW (parent, WM_ERASEBKGND, (WPARAM)hdc, 0);
1204 SetWindowOrgEx (hdc, ptorig.x, ptorig.y, 0);
1211 PAGER_Size (PAGER_INFO* infoPtr, INT type, INT x, INT y)
1213 /* note that WM_SIZE is sent whenever NCCalcSize resizes the client wnd */
1215 TRACE("[%p] %d,%d\n", infoPtr->hwndSelf, x, y);
1217 if (infoPtr->dwStyle & PGS_HORZ)
1218 infoPtr->nHeight = y;
1220 infoPtr->nWidth = x;
1222 return PAGER_RecalcSize(infoPtr);
1227 PAGER_StyleChanged(PAGER_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
1229 DWORD oldStyle = infoPtr->dwStyle;
1231 TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1232 wStyleType, lpss->styleOld, lpss->styleNew);
1234 if (wStyleType != GWL_STYLE) return 0;
1236 infoPtr->dwStyle = lpss->styleNew;
1238 if ((oldStyle ^ lpss->styleNew) & (PGS_HORZ | PGS_VERT))
1240 PAGER_RecalcSize(infoPtr);
1246 static LRESULT WINAPI
1247 PAGER_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1249 PAGER_INFO *infoPtr = (PAGER_INFO *)GetWindowLongPtrW(hwnd, 0);
1251 if (!infoPtr && (uMsg != WM_CREATE))
1252 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1257 return PAGER_FmtLines(infoPtr);
1259 case PGM_FORWARDMOUSE:
1260 return PAGER_ForwardMouse (infoPtr, (BOOL)wParam);
1262 case PGM_GETBKCOLOR:
1263 return PAGER_GetBkColor(infoPtr);
1266 return PAGER_GetBorder(infoPtr);
1268 case PGM_GETBUTTONSIZE:
1269 return PAGER_GetButtonSize(infoPtr);
1272 return PAGER_GetPos(infoPtr);
1274 case PGM_GETBUTTONSTATE:
1275 return PAGER_GetButtonState (infoPtr, (INT)lParam);
1277 /* case PGM_GETDROPTARGET: */
1279 case PGM_RECALCSIZE:
1280 return PAGER_RecalcSize(infoPtr);
1282 case PGM_SETBKCOLOR:
1283 return PAGER_SetBkColor (infoPtr, (COLORREF)lParam);
1286 return PAGER_SetBorder (infoPtr, (INT)lParam);
1288 case PGM_SETBUTTONSIZE:
1289 return PAGER_SetButtonSize (infoPtr, (INT)lParam);
1292 return PAGER_SetChild (infoPtr, (HWND)lParam);
1295 return PAGER_SetPos(infoPtr, (INT)lParam, FALSE);
1298 return PAGER_Create (hwnd, (LPCREATESTRUCTW)lParam);
1301 return PAGER_Destroy (infoPtr);
1304 return PAGER_Size (infoPtr, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
1307 return PAGER_NCPaint (infoPtr, (HRGN)wParam);
1309 case WM_WINDOWPOSCHANGING:
1310 return PAGER_WindowPosChanging (infoPtr, (WINDOWPOS*)lParam);
1312 case WM_STYLECHANGED:
1313 return PAGER_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
1316 return PAGER_NCCalcSize (infoPtr, wParam, (LPRECT)lParam);
1319 return PAGER_NCHitTest (infoPtr, (short)LOWORD(lParam), (short)HIWORD(lParam));
1322 if (infoPtr->bForward && infoPtr->hwndChild)
1323 PostMessageW(infoPtr->hwndChild, WM_MOUSEMOVE, wParam, lParam);
1324 return PAGER_MouseMove (infoPtr, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
1326 case WM_LBUTTONDOWN:
1327 return PAGER_LButtonDown (infoPtr, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
1330 return PAGER_LButtonUp (infoPtr, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
1333 return PAGER_EraseBackground (infoPtr, (HDC)wParam);
1336 return PAGER_Timer (infoPtr, (INT)wParam);
1340 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
1343 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1349 PAGER_Register (void)
1353 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1354 wndClass.style = CS_GLOBALCLASS;
1355 wndClass.lpfnWndProc = PAGER_WindowProc;
1356 wndClass.cbClsExtra = 0;
1357 wndClass.cbWndExtra = sizeof(PAGER_INFO *);
1358 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1359 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
1360 wndClass.lpszClassName = WC_PAGESCROLLERW;
1362 RegisterClassW (&wndClass);
1367 PAGER_Unregister (void)
1369 UnregisterClassW (WC_PAGESCROLLERW, NULL);