mirror of
https://github.com/reactos/reactos.git
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[uxtheme]
- Implement drawing non client scrollbars. This code is heavily based on code from wine and modified properly to use themes svn path=/branches/GSoC_2011/ThemesSupport/; revision=52645
This commit is contained in:
parent
9fa710c813
commit
628b870071
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@ -11,6 +11,7 @@ list(APPEND SOURCE
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main.c
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metric.c
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msstyles.c
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ncscrollbar.c
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nonclient.c
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property.c
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stylemap.c
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676
dll/win32/uxtheme/ncscrollbar.c
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676
dll/win32/uxtheme/ncscrollbar.c
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS uxtheme.dll
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* FILE: dll/win32/uxtheme/ncscrollbar.c
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* PURPOSE: uxtheme scrollbar support
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* PROGRAMMER: Giannis Adamopoulos
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* This file is heavily based on code from the wine project:
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* Copyright 1993 Martin Ayotte
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* Copyright 1994, 1996 Alexandre Julliard
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*/
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#include <windows.h>
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#include "undocuser.h"
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#include "vfwmsgs.h"
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#include "uxtheme.h"
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#include <tmschema.h>
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#include <Windowsx.h>
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#include "ncthm.h"
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#include <assert.h>
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
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static BOOL SCROLL_trackVertical;
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static enum SCROLL_HITTEST SCROLL_trackHitTest;
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/* Is the moving thumb being displayed? */
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static HWND SCROLL_TrackingWin = 0;
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static INT SCROLL_TrackingBar = 0;
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static INT SCROLL_TrackingPos = 0;
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static INT SCROLL_TrackingVal = 0;
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void static ScreenToWindow( HWND hWnd, POINT* pt)
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{
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RECT rcWnd;
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GetWindowRect(hWnd, &rcWnd);
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pt->x -= rcWnd.left;
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pt->y -= rcWnd.top;
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}
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static BOOL SCROLL_IsVertical(HWND hwnd, INT nBar)
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{
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switch(nBar)
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{
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case SB_HORZ:
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return FALSE;
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case SB_VERT:
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return TRUE;
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default:
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assert(FALSE);
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return FALSE;
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}
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}
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static LONG SCROLL_getObjectId(INT nBar)
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{
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switch(nBar)
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{
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case SB_HORZ:
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return OBJID_HSCROLL;
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case SB_VERT:
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return OBJID_VSCROLL;
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default:
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assert(FALSE);
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return 0;
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}
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}
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/***********************************************************************
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* SCROLL_PtInRectEx
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*/
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static BOOL SCROLL_PtInRectEx( LPRECT lpRect, POINT pt, BOOL vertical )
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{
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RECT rect = *lpRect;
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int scrollbarWidth;
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/* Pad hit rect to allow mouse to be dragged outside of scrollbar and
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* still be considered in the scrollbar. */
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if (vertical)
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{
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scrollbarWidth = lpRect->right - lpRect->left;
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rect.left -= scrollbarWidth*8;
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rect.right += scrollbarWidth*8;
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rect.top -= scrollbarWidth*2;
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rect.bottom += scrollbarWidth*2;
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}
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else
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{
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scrollbarWidth = lpRect->bottom - lpRect->top;
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rect.left -= scrollbarWidth*2;
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rect.right += scrollbarWidth*2;
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rect.top -= scrollbarWidth*8;
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rect.bottom += scrollbarWidth*8;
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}
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return PtInRect( &rect, pt );
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}
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/***********************************************************************
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* SCROLL_HitTest
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*
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* Scroll-bar hit testing (don't confuse this with WM_NCHITTEST!).
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*/
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static enum SCROLL_HITTEST SCROLL_HitTest( HWND hwnd, SCROLLBARINFO* psbi, BOOL vertical,
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POINT pt, BOOL bDragging )
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{
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if ( (bDragging && !SCROLL_PtInRectEx( &psbi->rcScrollBar, pt, vertical )) ||
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(!PtInRect( &psbi->rcScrollBar, pt )) )
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{
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return SCROLL_NOWHERE;
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}
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if (vertical)
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{
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if (pt.y < psbi->rcScrollBar.top + psbi->dxyLineButton)
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return SCROLL_TOP_ARROW;
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if (pt.y >= psbi->rcScrollBar.bottom - psbi->dxyLineButton)
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return SCROLL_BOTTOM_ARROW;
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if (!psbi->xyThumbTop)
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return SCROLL_TOP_RECT;
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pt.y -= psbi->rcScrollBar.top;
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if (pt.y < psbi->xyThumbTop)
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return SCROLL_TOP_RECT;
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if (pt.y >= psbi->xyThumbTop + psbi->dxyLineButton)
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return SCROLL_BOTTOM_RECT;
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}
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else /* horizontal */
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{
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if (pt.x < psbi->rcScrollBar.left + psbi->dxyLineButton)
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return SCROLL_TOP_ARROW;
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if (pt.x >= psbi->rcScrollBar.right - psbi->dxyLineButton)
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return SCROLL_BOTTOM_ARROW;
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if (!psbi->xyThumbTop)
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return SCROLL_TOP_RECT;
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pt.x -= psbi->rcScrollBar.left;
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if (pt.x < psbi->xyThumbTop)
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return SCROLL_TOP_RECT;
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if (pt.x >= psbi->xyThumbTop + psbi->dxyLineButton)
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return SCROLL_BOTTOM_RECT;
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}
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return SCROLL_THUMB;
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}
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static void SCROLL_ThemeDrawPart(PDRAW_CONTEXT pcontext, int iPartId,int iStateId, SCROLLBARINFO* psbi, int htCurrent, int htDown, int htHot, RECT* r)
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{
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if(psbi->rgstate[htCurrent] & STATE_SYSTEM_UNAVAILABLE)
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iStateId += BUTTON_DISABLED - BUTTON_NORMAL;
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else if (htHot == htCurrent)
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iStateId += BUTTON_HOT - BUTTON_NORMAL;
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else if (htDown == htCurrent)
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iStateId += BUTTON_PRESSED - BUTTON_NORMAL;
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DrawThemeBackground(pcontext->scrolltheme, pcontext->hDC, iPartId, iStateId, r, NULL);
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}
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/***********************************************************************
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* SCROLL_DrawArrows
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*
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* Draw the scroll bar arrows.
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*/
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static void SCROLL_DrawArrows( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
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BOOL vertical, int htDown, int htHot )
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{
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RECT r;
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int iStateId;
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r = psbi->rcScrollBar;
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if( vertical )
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{
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r.bottom = r.top + psbi->dxyLineButton;
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iStateId = ABS_UPNORMAL;
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}
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else
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{
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r.right = r.left + psbi->dxyLineButton;
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iStateId = ABS_LEFTNORMAL;
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}
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SCROLL_ThemeDrawPart(pcontext, SBP_ARROWBTN, iStateId, psbi, SCROLL_TOP_ARROW, htDown, htHot, &r);
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r = psbi->rcScrollBar;
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if( vertical )
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{
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r.top = r.bottom - psbi->dxyLineButton;
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iStateId = ABS_DOWNNORMAL;
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}
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else
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{
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iStateId = ABS_RIGHTNORMAL;
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r.left = r.right - psbi->dxyLineButton;
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}
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SCROLL_ThemeDrawPart(pcontext, SBP_ARROWBTN, iStateId, psbi, SCROLL_BOTTOM_ARROW, htDown, htHot, &r);
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}
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static void SCROLL_DrawInterior( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi,
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INT thumbPos, BOOL vertical,
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int htDown, int htHot )
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{
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RECT r, rcPart;
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r = psbi->rcScrollBar;
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if (vertical)
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{
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r.top += psbi->dxyLineButton;
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r.bottom -= (psbi->dxyLineButton);
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}
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else
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{
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r.left += psbi->dxyLineButton;
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r.right -= psbi->dxyLineButton;
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}
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/* Draw the scroll rectangles and thumb */
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if (!thumbPos) /* No thumb to draw */
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{
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rcPart = r;
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SCROLL_ThemeDrawPart(pcontext, vertical ? SBP_UPPERTRACKVERT: SBP_UPPERTRACKHORZ , BUTTON_NORMAL, psbi, SCROLL_THUMB, 0, 0, &rcPart);
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return;
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}
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if (vertical)
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{
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rcPart = r;
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rcPart.bottom = rcPart.top + thumbPos - psbi->dxyLineButton;
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SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
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r.top = rcPart.bottom;
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rcPart = r;
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rcPart.top += psbi->dxyLineButton;
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SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKVERT, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
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r.bottom = rcPart.top;
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SCROLL_ThemeDrawPart(pcontext, SBP_THUMBBTNVERT, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);
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SCROLL_ThemeDrawPart(pcontext, SBP_GRIPPERVERT, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);
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}
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else /* horizontal */
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{
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rcPart = r;
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rcPart.right = rcPart.left + thumbPos - psbi->dxyLineButton;
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SCROLL_ThemeDrawPart(pcontext, SBP_UPPERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_TOP_RECT, htDown, htHot, &rcPart);
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r.left = rcPart.right;
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rcPart = r;
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rcPart.left += psbi->dxyLineButton;
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SCROLL_ThemeDrawPart(pcontext, SBP_LOWERTRACKHORZ, BUTTON_NORMAL, psbi, SCROLL_BOTTOM_RECT, htDown, htHot, &rcPart);
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r.right = rcPart.left;
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SCROLL_ThemeDrawPart(pcontext, SBP_THUMBBTNHORZ, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);
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SCROLL_ThemeDrawPart(pcontext, SBP_GRIPPERHORZ, BUTTON_NORMAL, psbi, SCROLL_THUMB, htDown, htHot, &r);
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}
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}
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static void SCROLL_DrawMovingThumb( PDRAW_CONTEXT pcontext, SCROLLBARINFO* psbi, BOOL vertical)
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{
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INT pos = SCROLL_TrackingPos;
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INT max_size;
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if( vertical )
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max_size = psbi->rcScrollBar.bottom - psbi->rcScrollBar.top;
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else
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max_size = psbi->rcScrollBar.right - psbi->rcScrollBar.left;
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max_size -= (psbi->dxyLineButton -SCROLL_ARROW_THUMB_OVERLAP) + psbi->dxyLineButton;
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if( pos < (psbi->dxyLineButton-SCROLL_ARROW_THUMB_OVERLAP) )
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pos = (psbi->dxyLineButton-SCROLL_ARROW_THUMB_OVERLAP);
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else if( pos > max_size )
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pos = max_size;
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SCROLL_DrawInterior(pcontext, psbi, pos, vertical, SCROLL_THUMB, 0);
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SCROLL_MovingThumb = !SCROLL_MovingThumb;
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}
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void
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ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT nBar, POINT* pt)
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{
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BOOL Save_SCROLL_MovingThumb = SCROLL_MovingThumb;
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SCROLLINFO si;
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SCROLLBARINFO sbi;
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BOOL vertical;
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enum SCROLL_HITTEST htHot = SCROLL_NOWHERE;
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/* Retrieve scrollbar info */
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sbi.cbSize = sizeof(sbi);
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si.cbSize = sizeof(si);
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si.fMask = SIF_ALL ;
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GetScrollInfo(pcontext->hWnd, nBar, &si);
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GetScrollBarInfo(pcontext->hWnd, SCROLL_getObjectId(nBar), &sbi);
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vertical = SCROLL_IsVertical(pcontext->hWnd, nBar);
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if(sbi.rgstate[SCROLL_TOP_ARROW] & STATE_SYSTEM_UNAVAILABLE &&
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sbi.rgstate[SCROLL_BOTTOM_ARROW] & STATE_SYSTEM_UNAVAILABLE )
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{
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sbi.xyThumbTop = 0;
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}
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#ifndef ROS_SUCKS
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/* The scrollbar rect is in screen coordinates */
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// OffsetRect(&sbi.rcScrollBar, -pcontext->wi.rcWindow.left, -pcontext->wi.rcWindow.top);
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#endif
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if(pt)
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{
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ScreenToWindow(pcontext->hWnd, pt);
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htHot = SCROLL_HitTest(pcontext->hWnd, &sbi, vertical, *pt, FALSE);
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}
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if (((nBar == SB_VERT) && !(pcontext->wi.dwStyle & WS_VSCROLL)) ||
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((nBar == SB_HORZ) && !(pcontext->wi.dwStyle & WS_HSCROLL))) return;
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/* do not draw if the scrollbar rectangle is empty */
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if(IsRectEmpty(&sbi.rcScrollBar)) return;
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/* Draw the scrollbar */
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SCROLL_DrawArrows( pcontext, &sbi, vertical, 0, htHot );
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SCROLL_DrawInterior( pcontext, &sbi, sbi.xyThumbTop, vertical, 0, htHot );
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}
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/***********************************************************************
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* SCROLL_ClipPos
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*/
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static POINT SCROLL_ClipPos( LPRECT lpRect, POINT pt )
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{
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if( pt.x < lpRect->left )
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pt.x = lpRect->left;
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else
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if( pt.x > lpRect->right )
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pt.x = lpRect->right;
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if( pt.y < lpRect->top )
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pt.y = lpRect->top;
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else
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if( pt.y > lpRect->bottom )
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pt.y = lpRect->bottom;
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return pt;
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}
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/***********************************************************************
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* SCROLL_GetThumbVal
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*
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* Compute the current scroll position based on the thumb position in pixels
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* from the top of the scroll-bar.
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*/
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static UINT SCROLL_GetThumbVal( SCROLLINFO *psi, RECT *rect,
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BOOL vertical, INT pos )
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{
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INT thumbSize;
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INT pixels = vertical ? rect->bottom-rect->top : rect->right-rect->left;
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INT range;
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if ((pixels -= 2*(GetSystemMetrics(SM_CXVSCROLL) - SCROLL_ARROW_THUMB_OVERLAP)) <= 0)
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return psi->nMin;
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if (psi->nPage)
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{
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thumbSize = MulDiv(pixels,psi->nPage,(psi->nMax-psi->nMin+1));
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if (thumbSize < SCROLL_MIN_THUMB) thumbSize = SCROLL_MIN_THUMB;
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}
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else thumbSize = GetSystemMetrics(SM_CXVSCROLL);
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if ((pixels -= thumbSize) <= 0) return psi->nMin;
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pos = max( 0, pos - (GetSystemMetrics(SM_CXVSCROLL) - SCROLL_ARROW_THUMB_OVERLAP) );
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if (pos > pixels) pos = pixels;
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if (!psi->nPage)
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range = psi->nMax - psi->nMin;
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else
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range = psi->nMax - psi->nMin - psi->nPage + 1;
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return psi->nMin + MulDiv(pos, range, pixels);
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}
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static void
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SCROLL_HandleScrollEvent( HWND hwnd, INT nBar, UINT msg, POINT pt)
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{
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/* Previous mouse position for timer events */
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static POINT prevPt;
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/* Thumb position when tracking started. */
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static UINT trackThumbPos;
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/* Position in the scroll-bar of the last button-down event. */
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static INT lastClickPos;
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/* Position in the scroll-bar of the last mouse event. */
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static INT lastMousePos;
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enum SCROLL_HITTEST hittest;
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HWND hwndOwner, hwndCtl;
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BOOL vertical;
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SCROLLINFO si;
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SCROLLBARINFO sbi;
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DRAW_CONTEXT context;
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si.cbSize = sizeof(si);
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sbi.cbSize = sizeof(sbi);
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si.fMask = SIF_ALL;
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GetScrollInfo(hwnd, nBar, &si);
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GetScrollBarInfo(hwnd, SCROLL_getObjectId(nBar), &sbi);
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vertical = SCROLL_IsVertical(hwnd, nBar);
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if(sbi.rgstate[SCROLL_TOP_ARROW] & STATE_SYSTEM_UNAVAILABLE &&
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sbi.rgstate[SCROLL_BOTTOM_ARROW] & STATE_SYSTEM_UNAVAILABLE )
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{
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return;
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}
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ThemeInitDrawContext(&context, hwnd, 0);
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#ifndef ROS_SUCKS
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/* The scrollbar rect is in screen coordinates */
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// OffsetRect(&sbi.rcScrollBar, -context.wi.rcWindow.left, -context.wi.rcWindow.top);
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#endif
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if ((SCROLL_trackHitTest == SCROLL_NOWHERE) && (msg != WM_LBUTTONDOWN))
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return;
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hwndOwner = (nBar == SB_CTL) ? GetParent(hwnd) : hwnd;
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hwndCtl = (nBar == SB_CTL) ? hwnd : 0;
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switch(msg)
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{
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case WM_LBUTTONDOWN: /* Initialise mouse tracking */
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HideCaret(hwnd); /* hide caret while holding down LBUTTON */
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SCROLL_trackVertical = vertical;
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SCROLL_trackHitTest = hittest = SCROLL_HitTest( hwnd, &sbi, vertical, pt, FALSE );
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lastClickPos = vertical ? (pt.y - sbi.rcScrollBar.top) : (pt.x - sbi.rcScrollBar.left);
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lastMousePos = lastClickPos;
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trackThumbPos = sbi.xyThumbTop;
|
||||
prevPt = pt;
|
||||
SetCapture( hwnd );
|
||||
break;
|
||||
|
||||
case WM_MOUSEMOVE:
|
||||
hittest = SCROLL_HitTest( hwnd, &sbi, vertical, pt, TRUE );
|
||||
prevPt = pt;
|
||||
break;
|
||||
|
||||
case WM_LBUTTONUP:
|
||||
hittest = SCROLL_NOWHERE;
|
||||
ReleaseCapture();
|
||||
/* if scrollbar has focus, show back caret */
|
||||
if (hwnd==GetFocus())
|
||||
ShowCaret(hwnd);
|
||||
break;
|
||||
|
||||
case WM_SYSTIMER:
|
||||
pt = prevPt;
|
||||
hittest = SCROLL_HitTest( hwnd, &sbi, vertical, pt, FALSE );
|
||||
break;
|
||||
|
||||
default:
|
||||
return; /* Should never happen */
|
||||
}
|
||||
|
||||
//TRACE("Event: hwnd=%p bar=%d msg=%s pt=%d,%d hit=%d\n",
|
||||
// hwnd, nBar, SPY_GetMsgName(msg,hwnd), pt.x, pt.y, hittest );
|
||||
|
||||
switch(SCROLL_trackHitTest)
|
||||
{
|
||||
case SCROLL_NOWHERE: /* No tracking in progress */
|
||||
break;
|
||||
|
||||
case SCROLL_TOP_ARROW:
|
||||
if (hittest == SCROLL_trackHitTest)
|
||||
{
|
||||
SCROLL_DrawArrows( &context, &sbi, vertical, SCROLL_trackHitTest, 0 );
|
||||
if ((msg == WM_LBUTTONDOWN) || (msg == WM_SYSTIMER))
|
||||
{
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
SB_LINEUP, (LPARAM)hwndCtl );
|
||||
}
|
||||
|
||||
SetSystemTimer( hwnd, SCROLL_TIMER, (msg == WM_LBUTTONDOWN) ?
|
||||
SCROLL_FIRST_DELAY : SCROLL_REPEAT_DELAY, NULL );
|
||||
}
|
||||
else
|
||||
{
|
||||
SCROLL_DrawArrows( &context, &sbi, vertical, 0, 0 );
|
||||
KillSystemTimer( hwnd, SCROLL_TIMER );
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case SCROLL_TOP_RECT:
|
||||
SCROLL_DrawInterior( &context, &sbi, sbi.xyThumbTop, vertical, SCROLL_trackHitTest, 0);
|
||||
if (hittest == SCROLL_trackHitTest)
|
||||
{
|
||||
if ((msg == WM_LBUTTONDOWN) || (msg == WM_SYSTIMER))
|
||||
{
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
SB_PAGEUP, (LPARAM)hwndCtl );
|
||||
}
|
||||
SetSystemTimer( hwnd, SCROLL_TIMER, (msg == WM_LBUTTONDOWN) ?
|
||||
SCROLL_FIRST_DELAY : SCROLL_REPEAT_DELAY, NULL );
|
||||
}
|
||||
else KillSystemTimer( hwnd, SCROLL_TIMER );
|
||||
break;
|
||||
|
||||
case SCROLL_THUMB:
|
||||
if (msg == WM_LBUTTONDOWN)
|
||||
{
|
||||
SCROLL_TrackingWin = hwnd;
|
||||
SCROLL_TrackingBar = nBar;
|
||||
SCROLL_TrackingPos = trackThumbPos + lastMousePos - lastClickPos;
|
||||
SCROLL_TrackingVal = SCROLL_GetThumbVal( &si, &sbi.rcScrollBar,
|
||||
vertical, SCROLL_TrackingPos );
|
||||
if (!SCROLL_MovingThumb)
|
||||
SCROLL_DrawMovingThumb(&context, &sbi, vertical);
|
||||
}
|
||||
else if (msg == WM_LBUTTONUP)
|
||||
{
|
||||
if (SCROLL_MovingThumb)
|
||||
SCROLL_DrawMovingThumb(&context, &sbi, vertical);
|
||||
|
||||
SCROLL_DrawInterior( &context, &sbi, sbi.xyThumbTop, vertical, 0, SCROLL_trackHitTest );
|
||||
}
|
||||
else /* WM_MOUSEMOVE */
|
||||
{
|
||||
INT pos;
|
||||
|
||||
if (!SCROLL_PtInRectEx( &sbi.rcScrollBar, pt, vertical ))
|
||||
pos = lastClickPos;
|
||||
else
|
||||
{
|
||||
pt = SCROLL_ClipPos( &sbi.rcScrollBar, pt );
|
||||
pos = vertical ? (pt.y - sbi.rcScrollBar.top) : (pt.x - sbi.rcScrollBar.left);
|
||||
}
|
||||
if ( (pos != lastMousePos) || (!SCROLL_MovingThumb) )
|
||||
{
|
||||
if (SCROLL_MovingThumb)
|
||||
SCROLL_DrawMovingThumb( &context, &sbi, vertical);
|
||||
lastMousePos = pos;
|
||||
SCROLL_TrackingPos = trackThumbPos + pos - lastClickPos;
|
||||
SCROLL_TrackingVal = SCROLL_GetThumbVal( &si, &sbi.rcScrollBar,
|
||||
vertical,
|
||||
SCROLL_TrackingPos );
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
MAKEWPARAM( SB_THUMBTRACK, SCROLL_TrackingVal),
|
||||
(LPARAM)hwndCtl );
|
||||
if (!SCROLL_MovingThumb)
|
||||
SCROLL_DrawMovingThumb( &context, &sbi, vertical);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SCROLL_BOTTOM_RECT:
|
||||
if (hittest == SCROLL_trackHitTest)
|
||||
{
|
||||
SCROLL_DrawInterior( &context, &sbi, sbi.xyThumbTop, vertical, SCROLL_trackHitTest, 0 );
|
||||
if ((msg == WM_LBUTTONDOWN) || (msg == WM_SYSTIMER))
|
||||
{
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
SB_PAGEDOWN, (LPARAM)hwndCtl );
|
||||
}
|
||||
SetSystemTimer( hwnd, SCROLL_TIMER, (msg == WM_LBUTTONDOWN) ?
|
||||
SCROLL_FIRST_DELAY : SCROLL_REPEAT_DELAY, NULL );
|
||||
}
|
||||
else
|
||||
{
|
||||
SCROLL_DrawInterior( &context, &sbi, sbi.xyThumbTop, vertical, 0, 0 );
|
||||
KillSystemTimer( hwnd, SCROLL_TIMER );
|
||||
}
|
||||
break;
|
||||
|
||||
case SCROLL_BOTTOM_ARROW:
|
||||
if (hittest == SCROLL_trackHitTest)
|
||||
{
|
||||
SCROLL_DrawArrows( &context, &sbi, vertical, SCROLL_trackHitTest, 0 );
|
||||
if ((msg == WM_LBUTTONDOWN) || (msg == WM_SYSTIMER))
|
||||
{
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
SB_LINEDOWN, (LPARAM)hwndCtl );
|
||||
}
|
||||
|
||||
SetSystemTimer( hwnd, SCROLL_TIMER, (msg == WM_LBUTTONDOWN) ?
|
||||
SCROLL_FIRST_DELAY : SCROLL_REPEAT_DELAY, NULL );
|
||||
}
|
||||
else
|
||||
{
|
||||
SCROLL_DrawArrows( &context, &sbi, vertical, 0, 0 );
|
||||
KillSystemTimer( hwnd, SCROLL_TIMER );
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if (msg == WM_LBUTTONDOWN)
|
||||
{
|
||||
|
||||
if (hittest == SCROLL_THUMB)
|
||||
{
|
||||
UINT val = SCROLL_GetThumbVal( &si, &sbi.rcScrollBar, vertical,
|
||||
trackThumbPos + lastMousePos - lastClickPos );
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
MAKEWPARAM( SB_THUMBTRACK, val ), (LPARAM)hwndCtl );
|
||||
}
|
||||
}
|
||||
|
||||
if (msg == WM_LBUTTONUP)
|
||||
{
|
||||
hittest = SCROLL_trackHitTest;
|
||||
SCROLL_trackHitTest = SCROLL_NOWHERE; /* Terminate tracking */
|
||||
|
||||
if (hittest == SCROLL_THUMB)
|
||||
{
|
||||
UINT val = SCROLL_GetThumbVal( &si, &sbi.rcScrollBar, vertical,
|
||||
trackThumbPos + lastMousePos - lastClickPos );
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
MAKEWPARAM( SB_THUMBPOSITION, val ), (LPARAM)hwndCtl );
|
||||
}
|
||||
/* SB_ENDSCROLL doesn't report thumb position */
|
||||
SendMessageW( hwndOwner, vertical ? WM_VSCROLL : WM_HSCROLL,
|
||||
SB_ENDSCROLL, (LPARAM)hwndCtl );
|
||||
|
||||
/* Terminate tracking */
|
||||
SCROLL_TrackingWin = 0;
|
||||
}
|
||||
|
||||
ThemeCleanupDrawContext(&context);
|
||||
}
|
||||
|
||||
static void
|
||||
SCROLL_TrackScrollBar( HWND hwnd, INT scrollbar, POINT pt )
|
||||
{
|
||||
MSG msg;
|
||||
|
||||
ScreenToWindow(hwnd, &pt);
|
||||
|
||||
SCROLL_HandleScrollEvent( hwnd, scrollbar, WM_LBUTTONDOWN, pt );
|
||||
|
||||
do
|
||||
{
|
||||
if (!GetMessageW( &msg, 0, 0, 0 )) break;
|
||||
if (CallMsgFilterW( &msg, MSGF_SCROLLBAR )) continue;
|
||||
if (msg.message == WM_LBUTTONUP ||
|
||||
msg.message == WM_MOUSEMOVE ||
|
||||
(msg.message == WM_SYSTIMER && msg.wParam == SCROLL_TIMER))
|
||||
{
|
||||
pt.x = GET_X_LPARAM(msg.lParam);
|
||||
pt.y = GET_Y_LPARAM(msg.lParam);
|
||||
ClientToScreen(hwnd, &pt);
|
||||
ScreenToWindow(hwnd, &pt);
|
||||
SCROLL_HandleScrollEvent( hwnd, scrollbar, msg.message, pt );
|
||||
}
|
||||
else
|
||||
{
|
||||
TranslateMessage( &msg );
|
||||
DispatchMessageW( &msg );
|
||||
}
|
||||
if (!IsWindow( hwnd ))
|
||||
{
|
||||
ReleaseCapture();
|
||||
break;
|
||||
}
|
||||
} while (msg.message != WM_LBUTTONUP && GetCapture() == hwnd);
|
||||
}
|
||||
|
||||
void NC_TrackScrollBar( HWND hwnd, WPARAM wParam, POINT pt )
|
||||
{
|
||||
INT scrollbar;
|
||||
|
||||
if ((wParam & 0xfff0) == SC_HSCROLL)
|
||||
{
|
||||
if ((wParam & 0x0f) != HTHSCROLL) return;
|
||||
scrollbar = SB_HORZ;
|
||||
}
|
||||
else /* SC_VSCROLL */
|
||||
{
|
||||
if ((wParam & 0x0f) != HTVSCROLL) return;
|
||||
scrollbar = SB_VERT;
|
||||
}
|
||||
SCROLL_TrackScrollBar( hwnd, scrollbar, pt );
|
||||
}
|
|
@ -4,6 +4,7 @@ typedef struct _DRAW_CONTEXT
|
|||
HWND hWnd;
|
||||
HDC hDC;
|
||||
HTHEME theme;
|
||||
HTHEME scrolltheme;
|
||||
HTHEME hPrevTheme;
|
||||
WINDOWINFO wi;
|
||||
BOOL Active; /* wi.dwWindowStatus isn't correct for mdi child windows */
|
||||
|
@ -36,6 +37,17 @@ typedef enum {
|
|||
BUTTON_INACTIVE
|
||||
} THEME_BUTTON_STATES;
|
||||
|
||||
/* Scroll-bar hit testing */
|
||||
enum SCROLL_HITTEST
|
||||
{
|
||||
SCROLL_NOWHERE, /* Outside the scroll bar */
|
||||
SCROLL_TOP_ARROW, /* Top or left arrow */
|
||||
SCROLL_TOP_RECT, /* Rectangle between the top arrow and the thumb */
|
||||
SCROLL_THUMB, /* Thumb rectangle */
|
||||
SCROLL_BOTTOM_RECT, /* Rectangle between the thumb and the bottom arrow */
|
||||
SCROLL_BOTTOM_ARROW /* Bottom or right arrow */
|
||||
};
|
||||
|
||||
#define HASSIZEGRIP(Style, ExStyle, ParentStyle, WindowRect, ParentClientRect) \
|
||||
((!(Style & WS_CHILD) && (Style & WS_THICKFRAME) && !(Style & WS_MAXIMIZE)) || \
|
||||
((Style & WS_CHILD) && (ParentStyle & WS_THICKFRAME) && !(ParentStyle & WS_MAXIMIZE) && \
|
||||
|
@ -48,4 +60,36 @@ typedef enum {
|
|||
|
||||
#define MENU_BAR_ITEMS_SPACE (12)
|
||||
|
||||
#define SCROLL_TIMER 0 /* Scroll timer id */
|
||||
|
||||
/* Overlap between arrows and thumb */
|
||||
#define SCROLL_ARROW_THUMB_OVERLAP 0
|
||||
|
||||
/* Delay (in ms) before first repetition when holding the button down */
|
||||
#define SCROLL_FIRST_DELAY 200
|
||||
|
||||
/* Delay (in ms) between scroll repetitions */
|
||||
#define SCROLL_REPEAT_DELAY 50
|
||||
|
||||
/* Minimum size of the thumb in pixels */
|
||||
#define SCROLL_MIN_THUMB 6
|
||||
|
||||
/* Minimum size of the rectangle between the arrows */
|
||||
#define SCROLL_MIN_RECT 4
|
||||
|
||||
void
|
||||
ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT Bar, POINT* pt);
|
||||
|
||||
VOID
|
||||
NC_TrackScrollBar(HWND Wnd, WPARAM wParam, POINT Pt);
|
||||
|
||||
void
|
||||
ThemeInitDrawContext(PDRAW_CONTEXT pcontext,
|
||||
HWND hWnd,
|
||||
HRGN hRgn);
|
||||
|
||||
void
|
||||
ThemeCleanupDrawContext(PDRAW_CONTEXT pcontext);
|
||||
|
||||
|
||||
extern ATOM atWindowTheme;
|
||||
|
|
|
@ -156,7 +156,7 @@ HRESULT WINAPI ThemeDrawCaptionText(HTHEME hTheme, HDC hdc, int iPartId, int iSt
|
|||
return S_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
ThemeInitDrawContext(PDRAW_CONTEXT pcontext,
|
||||
HWND hWnd,
|
||||
HRGN hRgn)
|
||||
|
@ -167,6 +167,7 @@ ThemeInitDrawContext(PDRAW_CONTEXT pcontext,
|
|||
pcontext->Active = IsWindowActive(hWnd, pcontext->wi.dwExStyle);
|
||||
pcontext->hPrevTheme = GetPropW(hWnd, (LPCWSTR)MAKEINTATOM(atWindowTheme));
|
||||
pcontext->theme = OpenThemeData(pcontext->hWnd, L"WINDOW");
|
||||
pcontext->scrolltheme = OpenThemeData(pcontext->hWnd, L"SCROLLBAR");
|
||||
|
||||
pcontext->CaptionHeight = pcontext->wi.cyWindowBorders;
|
||||
pcontext->CaptionHeight += GetSystemMetrics(pcontext->wi.dwExStyle & WS_EX_TOOLWINDOW ? SM_CYSMCAPTION : SM_CYCAPTION );
|
||||
|
@ -180,12 +181,13 @@ ThemeInitDrawContext(PDRAW_CONTEXT pcontext,
|
|||
pcontext->hDC = GetDCEx(hWnd, hRgn, DCX_WINDOW | DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
ThemeCleanupDrawContext(PDRAW_CONTEXT pcontext)
|
||||
{
|
||||
ReleaseDC(pcontext->hWnd ,pcontext->hDC);
|
||||
|
||||
CloseThemeData (pcontext->theme);
|
||||
CloseThemeData (pcontext->scrolltheme);
|
||||
|
||||
SetPropW(pcontext->hWnd, (LPCWSTR)MAKEINTATOM(atWindowTheme), pcontext->hPrevTheme);
|
||||
|
||||
|
@ -628,12 +630,6 @@ ThemeDrawMenuBar(PDRAW_CONTEXT pcontext, PRECT prcCurrent)
|
|||
FillRect(pcontext->hDC, &Rect, GetSysColorBrush(flat_menu ? COLOR_MENUBAR : COLOR_MENU));
|
||||
}
|
||||
|
||||
static void
|
||||
ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT Bar)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
ThemePaintWindow(PDRAW_CONTEXT pcontext, RECT* prcCurrent)
|
||||
{
|
||||
|
@ -662,10 +658,10 @@ ThemePaintWindow(PDRAW_CONTEXT pcontext, RECT* prcCurrent)
|
|||
ThemeDrawMenuBar(pcontext, prcCurrent);
|
||||
|
||||
if(pcontext->wi.dwStyle & WS_HSCROLL)
|
||||
ThemeDrawScrollBar(pcontext, OBJID_VSCROLL);
|
||||
ThemeDrawScrollBar(pcontext, SB_HORZ , NULL);
|
||||
|
||||
if(pcontext->wi.dwStyle & WS_VSCROLL)
|
||||
ThemeDrawScrollBar(pcontext, OBJID_HSCROLL);
|
||||
ThemeDrawScrollBar(pcontext, SB_VERT, NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -690,7 +686,7 @@ ThemeHandleNCPaint(HWND hWnd, HRGN hRgn)
|
|||
}
|
||||
|
||||
static LRESULT
|
||||
ThemeHandleNcMouseMove(HWND hWnd, DWORD ht)
|
||||
ThemeHandleNcMouseMove(HWND hWnd, DWORD ht, POINT* pt)
|
||||
{
|
||||
DRAW_CONTEXT context;
|
||||
TRACKMOUSEEVENT tme;
|
||||
|
@ -708,6 +704,13 @@ ThemeHandleNcMouseMove(HWND hWnd, DWORD ht)
|
|||
|
||||
ThemeInitDrawContext(&context, hWnd, 0);
|
||||
ThemeDrawCaptionButtons(&context, ht, 0);
|
||||
|
||||
if(context.wi.dwStyle & WS_HSCROLL)
|
||||
ThemeDrawScrollBar(&context, SB_HORZ , ht == HTHSCROLL ? pt : NULL);
|
||||
|
||||
if(context.wi.dwStyle & WS_VSCROLL)
|
||||
ThemeDrawScrollBar(&context, SB_VERT, ht == HTVSCROLL ? pt : NULL);
|
||||
|
||||
ThemeCleanupDrawContext(&context);
|
||||
|
||||
return 0;
|
||||
|
@ -720,6 +723,13 @@ ThemeHandleNcMouseLeave(HWND hWnd)
|
|||
|
||||
ThemeInitDrawContext(&context, hWnd, 0);
|
||||
ThemeDrawCaptionButtons(&context, 0, 0);
|
||||
|
||||
if(context.wi.dwStyle & WS_HSCROLL)
|
||||
ThemeDrawScrollBar(&context, SB_HORZ, NULL);
|
||||
|
||||
if(context.wi.dwStyle & WS_VSCROLL)
|
||||
ThemeDrawScrollBar(&context, SB_VERT, NULL);
|
||||
|
||||
ThemeCleanupDrawContext(&context);
|
||||
|
||||
return 0;
|
||||
|
@ -1021,7 +1031,12 @@ ThemeWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, WNDPROC DefWndPr
|
|||
ThemeHandleNCPaint(hWnd, (HRGN)1);
|
||||
return TRUE;
|
||||
case WM_NCMOUSEMOVE:
|
||||
return ThemeHandleNcMouseMove(hWnd, wParam);
|
||||
{
|
||||
POINT Point;
|
||||
Point.x = GET_X_LPARAM(lParam);
|
||||
Point.y = GET_Y_LPARAM(lParam);
|
||||
return ThemeHandleNcMouseMove(hWnd, wParam, &Point);
|
||||
}
|
||||
case WM_NCMOUSELEAVE:
|
||||
return ThemeHandleNcMouseLeave(hWnd);
|
||||
case WM_NCLBUTTONDOWN:
|
||||
|
@ -1044,6 +1059,21 @@ ThemeWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, WNDPROC DefWndPr
|
|||
Point.y = GET_Y_LPARAM(lParam);
|
||||
return DefWndNCHitTest(hWnd, Point);
|
||||
}
|
||||
case WM_SYSCOMMAND:
|
||||
{
|
||||
if((wParam & 0xfff0) == SC_VSCROLL ||
|
||||
(wParam & 0xfff0) == SC_HSCROLL)
|
||||
{
|
||||
POINT Pt;
|
||||
Pt.x = (short)LOWORD(lParam);
|
||||
Pt.y = (short)HIWORD(lParam);
|
||||
NC_TrackScrollBar(hWnd, wParam, Pt);
|
||||
}
|
||||
else
|
||||
{
|
||||
return DefWndProc(hWnd, Msg, wParam, lParam);
|
||||
}
|
||||
}
|
||||
case WM_NCUAHDRAWCAPTION:
|
||||
case WM_NCUAHDRAWFRAME:
|
||||
/* FIXME: how should these be handled? */
|
||||
|
|
Loading…
Reference in a new issue