/////////////////////////////////////////////////////////////////////////////
-// Name: scrolbar.cpp
+// Name: src/motif/scrolbar.cpp
// Purpose: wxScrollBar
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "scrolbar.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/scrolbar.h"
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
-
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#include <Xm/ScrollBar.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
#endif
+#include "wx/motif/private.h"
+
+static void wxScrollBarCallback(Widget widget, XtPointer clientData,
+ XmScaleCallbackStruct *cbs);
+
+IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
+
// Scrollbar
bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxValidator& validator,
const wxString& name)
{
- if (!parent)
- return FALSE;
- parent->AddChild(this);
- SetName(name);
- SetValidator(validator);
-
- m_windowStyle = style;
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
-
- // TODO create scrollbar
- return TRUE;
+ if( !CreateControl( parent, id, pos, size, style, validator, name ) )
+ return false;
+ PreCreation();
+
+ wxSize newSize =
+ ( style & wxHORIZONTAL ) ? wxSize( 140, 16 ) : wxSize( 16, 140 );
+ if( size.x != -1 ) newSize.x = size.x;
+ if( size.y != -1 ) newSize.y = size.y;
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+
+ m_mainWidget =
+ DoCreateScrollBar( (WXWidget)parentWidget,
+ (wxOrientation)(style & (wxHORIZONTAL|wxVERTICAL)),
+ (void (*)())wxScrollBarCallback );
+
+ PostCreation();
+ AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+ pos.x, pos.y, newSize.x, newSize.y);
+
+ return true;
}
wxScrollBar::~wxScrollBar()
{
}
-void wxScrollBar::SetPosition(int viewStart)
+void wxScrollBar::SetThumbPosition(int pos)
{
- // TODO
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNvalue, pos,
+ NULL);
}
-int wxScrollBar::GetPosition() const
+int wxScrollBar::GetThumbPosition() const
{
- // TODO
- return 0;
+ int pos;
+ XtVaGetValues((Widget) m_mainWidget,
+ XmNvalue, &pos, NULL);
+ return pos;
}
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize,
- bool refresh)
+ bool WXUNUSED(refresh))
{
m_viewSize = pageSize;
m_pageSize = thumbSize;
m_objectSize = range;
- // TODO
-}
+ if (range == 0)
+ range = 1;
+ if (thumbSize == 0)
+ thumbSize = 1;
+ XtVaSetValues((Widget) m_mainWidget,
+ XmNvalue, position,
+ XmNminimum, 0,
+ XmNmaximum, range,
+ XmNsliderSize, thumbSize,
+ XmNpageIncrement, pageSize,
+ NULL);
+}
void wxScrollBar::Command(wxCommandEvent& event)
{
- SetPosition(event.m_commandInt);
+ SetThumbPosition(event.GetInt());
ProcessCommand(event);
}
+void wxScrollBar::ChangeFont(bool WXUNUSED(keepOriginalSize))
+{
+ // TODO
+ // Do anything for a scrollbar? A font will never be seen.
+}
+
+void wxScrollBar::ChangeBackgroundColour()
+{
+ wxWindow::ChangeBackgroundColour();
+
+ XtVaSetValues ((Widget) GetMainWidget(),
+ XmNtroughColor, m_backgroundColour.AllocColour(XtDisplay((Widget) GetMainWidget())),
+ NULL);
+}
+
+static void wxScrollBarCallback(Widget widget, XtPointer clientData,
+ XmScaleCallbackStruct *cbs)
+{
+ wxScrollBar *scrollBar = (wxScrollBar*)wxGetWindowFromTable(widget);
+ wxCHECK_RET( scrollBar, wxT("invalid widget in scrollbar callback") );
+
+ wxOrientation orientation = (wxOrientation)wxPtrToUInt(clientData);
+ wxEventType eventType = wxEVT_NULL;
+
+ switch (cbs->reason)
+ {
+ case XmCR_INCREMENT:
+ {
+ eventType = wxEVT_SCROLL_LINEDOWN;
+ break;
+ }
+ case XmCR_DECREMENT:
+ {
+ eventType = wxEVT_SCROLL_LINEUP;
+ break;
+ }
+ case XmCR_DRAG:
+ {
+ eventType = wxEVT_SCROLL_THUMBTRACK;
+ break;
+ }
+ case XmCR_VALUE_CHANGED:
+ {
+ eventType = wxEVT_SCROLL_THUMBRELEASE;
+ break;
+ }
+ case XmCR_PAGE_INCREMENT:
+ {
+ eventType = wxEVT_SCROLL_PAGEDOWN;
+ break;
+ }
+ case XmCR_PAGE_DECREMENT:
+ {
+ eventType = wxEVT_SCROLL_PAGEUP;
+ break;
+ }
+ case XmCR_TO_TOP:
+ {
+ eventType = wxEVT_SCROLL_TOP;
+ break;
+ }
+ case XmCR_TO_BOTTOM:
+ {
+ eventType = wxEVT_SCROLL_BOTTOM;
+ break;
+ }
+ default:
+ {
+ // Should never get here
+ wxFAIL_MSG("Unknown scroll event.");
+ break;
+ }
+ }
+
+ wxScrollEvent event(eventType, scrollBar->GetId(),
+ cbs->value, orientation);
+ event.SetEventObject(scrollBar);
+ scrollBar->HandleWindowEvent(event);
+}