/////////////////////////////////////////////////////////////////////////////
-// Name: msw/scrolbar.cpp
+// Name: src/msw/scrolbar.cpp
// Purpose: wxScrollBar
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "scrolbar.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_SCROLLBAR
+#include "wx/scrolbar.h"
+
#ifndef WX_PRECOMP
#include "wx/utils.h"
+ #include "wx/settings.h"
#endif
-#include "wx/scrolbar.h"
#include "wx/msw/private.h"
-#include "wx/settings.h"
#if wxUSE_EXTENDED_RTTI
WX_DEFINE_FLAGS( wxScrollBarStyle )
IMPLEMENT_DYNAMIC_CLASS_XTI(wxScrollBar, wxControl,"wx/scrolbar.h")
wxBEGIN_PROPERTIES_TABLE(wxScrollBar)
- wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
+ wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent )
wxPROPERTY( ThumbPosition , int , SetThumbPosition, GetThumbPosition, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
wxPROPERTY( Range , int , SetRange, GetRange, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size, long style,
- const wxValidator& wxVALIDATOR_PARAM(validator),
+ const wxValidator& validator,
const wxString& name)
{
- if (!parent)
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
- parent->AddChild(this);
- SetName(name);
-#if wxUSE_VALIDATORS
- SetValidator(validator);
-#endif // wxUSE_VALIDATORS
-
- if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
- style |= wxNO_BORDER;
-
- SetBackgroundColour(parent->GetBackgroundColour()) ;
- SetForegroundColour(parent->GetForegroundColour()) ;
- m_windowStyle = style;
-
- if ( id == wxID_ANY )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
-
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
-
- if (width == wxDefaultCoord)
- {
- if (style & wxHORIZONTAL)
- width = 140;
- else
- width = 14;
- }
- if (height == wxDefaultCoord)
- {
- if (style & wxVERTICAL)
- height = 140;
- else
- height = 14;
- }
-
- WXDWORD exStyle = 0;
- WXDWORD wstyle = MSWGetStyle(style, & exStyle) ;
-
- // Now create scrollbar
- DWORD _direction = (style & wxHORIZONTAL) ?
- SBS_HORZ: SBS_VERT;
- HWND scroll_bar = CreateWindowEx(exStyle, wxT("SCROLLBAR"), wxT("scrollbar"),
- _direction | wstyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL);
-
- m_pageSize = 1;
- m_viewSize = 1;
- m_objectSize = 1;
- ::SetScrollRange(scroll_bar, SB_CTL, 0, 1, FALSE);
- ::SetScrollPos(scroll_bar, SB_CTL, 0, FALSE);
- ShowWindow(scroll_bar, SW_SHOW);
-
- m_hWnd = (WXHWND)scroll_bar;
-
- // Subclass again for purposes of dialog editing mode
- SubclassWin((WXHWND) scroll_bar);
+ if (!MSWCreateControl(wxT("ScrollBar"), wxEmptyString, pos, size))
+ return false;
- SetSize(x, y, width, height);
+ SetScrollbar(0, 1, 2, 1, false);
return true;
}
}
#endif
-#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 // __WIN95__
wxEventType scrollEvent = wxEVT_NULL;
int nScrollInc;
switch ( wParam )
{
- case SB_BOTTOM:
+ case SB_TOP:
nScrollInc = maxPos - position;
scrollEvent = wxEVT_SCROLL_TOP;
break;
- case SB_TOP:
+ case SB_BOTTOM:
nScrollInc = -position;
scrollEvent = wxEVT_SCROLL_BOTTOM;
break;
case SB_ENDSCROLL:
nScrollInc = 0;
- scrollEvent = wxEVT_SCROLL_ENDSCROLL;
+ scrollEvent = wxEVT_SCROLL_CHANGED;
break;
default:
SetThumbPosition(position);
}
else if ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE &&
- scrollEvent != wxEVT_SCROLL_ENDSCROLL )
+ scrollEvent != wxEVT_SCROLL_CHANGED )
{
// don't process the event if there is no displacement,
// unless this is a thumb release or end scroll event.
event.SetPosition(position);
event.SetEventObject( this );
- return GetEventHandler()->ProcessEvent(event);
+ return HandleWindowEvent(event);
}
void wxScrollBar::SetThumbPosition(int viewStart)
{
-#if defined(__WIN95__)
SCROLLINFO info;
info.cbSize = sizeof(SCROLLINFO);
info.nPage = 0;
info.fMask = SIF_POS ;
::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, TRUE);
-#else
- ::SetScrollPos((HWND) GetHWND(), SB_CTL, viewStart, TRUE);
-#endif
}
int wxScrollBar::GetThumbPosition(void) const
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize,
bool refresh)
{
- m_viewSize = pageSize;
- m_pageSize = thumbSize;
- m_objectSize = range;
-
- // The range (number of scroll steps) is the
- // object length minus the page size.
- int range1 = wxMax((m_objectSize - m_pageSize), 0) ;
-
-#if defined(__WIN95__)
- // Try to adjust the range to cope with page size > 1
- // (see comment for SetPageLength)
- if ( m_pageSize > 1 )
- {
- range1 += (m_pageSize - 1);
- }
-
- SCROLLINFO info;
- info.cbSize = sizeof(SCROLLINFO);
- info.nPage = m_pageSize;
- info.nMin = 0;
- info.nMax = range1;
- info.nPos = position;
-
- info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
-
- ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh);
-#else
- ::SetScrollPos((HWND)m_hWnd, SB_CTL, position, TRUE);
- ::SetScrollRange((HWND)m_hWnd, SB_CTL, 0, range1, TRUE);
-#endif
-}
+ m_viewSize = pageSize;
+ m_pageSize = thumbSize;
+ m_objectSize = range;
+ // The range (number of scroll steps) is the
+ // object length minus the page size.
+ int range1 = wxMax((m_objectSize - m_pageSize), 0) ;
-WXHBRUSH wxScrollBar::OnCtlColor(WXHDC WXUNUSED(pDC), WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
- WXUINT WXUNUSED(message), WXWPARAM WXUNUSED(wParam), WXLPARAM WXUNUSED(lParam))
-{
- return 0;
+ // Try to adjust the range to cope with page size > 1
+ // (see comment for SetPageLength)
+ if ( m_pageSize > 1 )
+ {
+ range1 += (m_pageSize - 1);
+ }
+
+ SCROLLINFO info;
+ info.cbSize = sizeof(SCROLLINFO);
+ info.nPage = m_pageSize;
+ info.nMin = 0;
+ info.nMax = range1;
+ info.nPos = position;
+
+ info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
+
+ ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh);
}
void wxScrollBar::Command(wxCommandEvent& event)
{
- SetThumbPosition(event.m_commandInt);
+ SetThumbPosition(event.GetInt());
ProcessCommand(event);
}
h = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
}
- return wxSize(w, h);
+ wxSize best(w, h);
+ CacheBestSize(best);
+ return best;
+}
+
+WXDWORD wxScrollBar::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ // we never have an external border
+ WXDWORD msStyle = wxControl::MSWGetStyle
+ (
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+ );
+
+ // SBS_HORZ is 0 anyhow, but do mention it explicitly for clarity
+ msStyle |= style & wxSB_HORIZONTAL ? SBS_HORZ : SBS_VERT;
+
+ return msStyle;
+}
+
+WXHBRUSH wxScrollBar::MSWControlColor(WXHDC pDC, WXHWND hWnd)
+{
+ // unless we have an explicitly set bg colour, use default (gradient under
+ // XP) brush instead of GetBackgroundColour() one as the base class would
+ //
+ // note that fg colour isn't used for a scrollbar
+ return UseBgCol() ? wxControl::MSWControlColor(pDC, hWnd) : NULL;
}
#endif // wxUSE_SCROLLBAR
projects / wxWidgets.git / blobdiff