X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0ed460c2e7802793d591c84f3cfdbff159c5549..2fe212b0336512aac9eace69fab09ce856b0bf4b:/src/msw/scrolbar.cpp diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp index bac5e67a09..5cfec12c46 100644 --- a/src/msw/scrolbar.cpp +++ b/src/msw/scrolbar.cpp @@ -1,37 +1,34 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: scrolbar.cpp +// Name: msw/scrolbar.cpp // Purpose: wxScrollBar // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "scrolbar.h" + #pragma implementation "scrolbar.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_SCROLLBAR + #ifndef WX_PRECOMP -#include "wx/defs.h" -#include "wx/utils.h" + #include "wx/utils.h" #endif #include "wx/scrolbar.h" #include "wx/msw/private.h" -// extern wxList wxScrollBarList; -extern void wxFindMaxSize(HWND hwnd, RECT *rect); - -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl) BEGIN_EVENT_TABLE(wxScrollBar, wxControl) @@ -40,7 +37,6 @@ BEGIN_EVENT_TABLE(wxScrollBar, wxControl) #endif END_EVENT_TABLE() -#endif // Scrollbar bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, @@ -53,16 +49,18 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, return FALSE; parent->AddChild(this); SetName(name); - SetValidator(validator); - +#if wxUSE_VALIDATORS + SetValidator(validator); +#endif // wxUSE_VALIDATORS + SetBackgroundColour(parent->GetBackgroundColour()) ; SetForegroundColour(parent->GetForegroundColour()) ; m_windowStyle = style; if ( id == -1 ) - m_windowId = (int)NewControlId(); + m_windowId = (int)NewControlId(); else - m_windowId = id; + m_windowId = id; int x = pos.x; int y = pos.y; @@ -84,11 +82,16 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, height = 14; } + DWORD wstyle = WS_VISIBLE | WS_CHILD; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + wstyle |= WS_CLIPSIBLINGS; + // Now create scrollbar DWORD _direction = (style & wxHORIZONTAL) ? SBS_HORZ: SBS_VERT; - HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(style), "SCROLLBAR", "scrollbar", - _direction | WS_CHILD | WS_VISIBLE, + HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(style), wxT("SCROLLBAR"), wxT("scrollbar"), + _direction | wstyle, 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL); @@ -116,84 +119,90 @@ wxScrollBar::~wxScrollBar(void) { } -void wxScrollBar::MSWOnVScroll(WXWORD wParam, WXWORD pos, WXHWND control) +bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, + WXWORD pos, WXHWND control) { int position = ::GetScrollPos((HWND) control, SB_CTL); int minPos, maxPos; ::GetScrollRange((HWND) control, SB_CTL, &minPos, &maxPos); + #if defined(__WIN95__) - // A page size greater than one has the effect of reducing the - // effective range, therefore the range has already been - // boosted artificially - so reduce it again. - if ( m_pageSize > 1 ) - maxPos -= (m_pageSize - 1); -#endif + // A page size greater than one has the effect of reducing the effective + // range, therefore the range has already been boosted artificially - so + // reduce it again. + if ( m_pageSize > 1 ) + maxPos -= (m_pageSize - 1); +#endif // __WIN95__ wxEventType scrollEvent = wxEVT_NULL; int nScrollInc; switch ( wParam ) { - case SB_TOP: - nScrollInc = maxPos - position; - scrollEvent = wxEVT_SCROLL_TOP; - break; - - case SB_BOTTOM: - nScrollInc = - position; - scrollEvent = wxEVT_SCROLL_BOTTOM; - break; - - case SB_LINEUP: - nScrollInc = -1; - scrollEvent = wxEVT_SCROLL_LINEUP; - break; - - case SB_LINEDOWN: - nScrollInc = 1; - scrollEvent = wxEVT_SCROLL_LINEDOWN; - break; - - case SB_PAGEUP: - nScrollInc = -GetPageSize(); - scrollEvent = wxEVT_SCROLL_PAGEUP; - break; - - case SB_PAGEDOWN: - nScrollInc = GetPageSize(); - scrollEvent = wxEVT_SCROLL_PAGEDOWN; - break; - - case SB_THUMBTRACK: - case SB_THUMBPOSITION: - nScrollInc = pos - position; - scrollEvent = wxEVT_SCROLL_THUMBTRACK; - break; - - default: - nScrollInc = 0; + case SB_TOP: + nScrollInc = maxPos - position; + scrollEvent = wxEVT_SCROLL_TOP; + break; + + case SB_BOTTOM: + nScrollInc = - position; + scrollEvent = wxEVT_SCROLL_BOTTOM; + break; + + case SB_LINEUP: + nScrollInc = -1; + scrollEvent = wxEVT_SCROLL_LINEUP; + break; + + case SB_LINEDOWN: + nScrollInc = 1; + scrollEvent = wxEVT_SCROLL_LINEDOWN; + break; + + case SB_PAGEUP: + nScrollInc = -GetPageSize(); + scrollEvent = wxEVT_SCROLL_PAGEUP; + break; + + case SB_PAGEDOWN: + nScrollInc = GetPageSize(); + scrollEvent = wxEVT_SCROLL_PAGEDOWN; + break; + + case SB_THUMBPOSITION: + nScrollInc = pos - position; + scrollEvent = wxEVT_SCROLL_THUMBRELEASE; + break; + + case SB_THUMBTRACK: + nScrollInc = pos - position; + scrollEvent = wxEVT_SCROLL_THUMBTRACK; + break; + + default: + nScrollInc = 0; } - if (nScrollInc != 0) + // don't process the event if there is no displacement, + // unless this is a thumb release event. + if (( nScrollInc == 0 ) && ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE )) { - int new_pos = position + nScrollInc; - - if (new_pos < 0) - new_pos = 0; - if (new_pos > maxPos) - new_pos = maxPos; - - SetThumbPosition(new_pos); - wxScrollEvent event(scrollEvent, m_windowId); - event.SetPosition(new_pos); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); + return FALSE; } -} -void wxScrollBar::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control) -{ - MSWOnVScroll(wParam, pos, control); + int new_pos = position + nScrollInc; + + if (new_pos < 0) + new_pos = 0; + if (new_pos > maxPos) + new_pos = maxPos; + + SetThumbPosition(new_pos); + wxScrollEvent event(scrollEvent, m_windowId); + event.SetPosition(new_pos); + event.SetEventObject( this ); + + return GetEventHandler()->ProcessEvent(event); } void wxScrollBar::SetThumbPosition(int viewStart) @@ -233,7 +242,7 @@ void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageS // (see comment for SetPageLength) if ( m_pageSize > 1 ) { - range1 += (m_pageSize - 1); + range1 += (m_pageSize - 1); } SCROLLINFO info; @@ -259,8 +268,8 @@ In version 4.0 or later, the maximum value that a scroll bar can report If the scroll bar has a page size greater than one, the maximum scrolling position is less than the maximum range value. You can use the following formula to calculate the maximum scrolling position: - -MaxScrollPos = MaxRangeValue - (PageSize - 1) + +MaxScrollPos = MaxRangeValue - (PageSize - 1) */ #if WXWIN_COMPATIBILITY @@ -291,7 +300,7 @@ void wxScrollBar::SetObjectLength(int objectLength) // (see comment for SetPageLength) if ( m_pageSize > 1 ) { - range += (m_pageSize - 1); + range += (m_pageSize - 1); } SCROLLINFO info; @@ -323,8 +332,8 @@ void wxScrollBar::GetValues(int *viewStart, int *viewLength, int *objectLength, } #endif -WXHBRUSH wxScrollBar::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +WXHBRUSH wxScrollBar::OnCtlColor(WXHDC WXUNUSED(pDC), WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), + WXUINT WXUNUSED(message), WXWPARAM WXUNUSED(wParam), WXLPARAM WXUNUSED(lParam)) { return 0; } @@ -349,3 +358,5 @@ void wxScrollBar::OnScroll(wxScrollEvent& event) } } #endif + +#endif // wxUSE_SCROLLBAR