#include "wx/scrolbar.h"
+#include <X11/IntrinsicP.h>
+#include <Xm/Xm.h>
+#include <Xm/RowColumn.h>
+#include <Xm/ScrollBar.h>
+
+#include <wx/motif/private.h>
+
+static void wxScrollBarCallback(Widget widget, XtPointer clientData,
+ XmScaleCallbackStruct *cbs);
+
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
-
#endif
// Scrollbar
return FALSE;
parent->AddChild(this);
SetName(name);
- SetValidator(validator);
+ m_backgroundColour = parent->GetBackgroundColour();
+ m_foregroundColour = parent->GetForegroundColour();
+ SetValidator(validator);
m_windowStyle = style;
else
m_windowId = id;
- // TODO create scrollbar
+ int x = pos.x;
+ int y = pos.y;
+ int width = size.x;
+ int height = size.y;
+
+ if (width == -1)
+ {
+ if (style & wxHORIZONTAL)
+ width = 140;
+ else
+ width = 12;
+ }
+ if (height == -1)
+ {
+ if (style & wxVERTICAL)
+ height = 140;
+ else
+ height = 12;
+ }
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+ int direction = (style & wxHORIZONTAL) ? XmHORIZONTAL: XmVERTICAL;
+
+ Widget scrollBarWidget = XtVaCreateManagedWidget("scrollBarWidget",
+ xmScrollBarWidgetClass, parentWidget,
+ XmNorientation, direction,
+ NULL);
+
+ m_mainWidget = (Widget) scrollBarWidget;
+
+ // This will duplicate other events
+ // XtAddCallback(scrollBarWidget, XmNvalueChangedCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNdragCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNdecrementCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNincrementCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNpageDecrementCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNpageIncrementCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNtoTopCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+ XtAddCallback(scrollBarWidget, XmNtoBottomCallback, (XtCallbackProc)wxScrollBarCallback, (XtPointer)this);
+
+ SetCanAddEventHandler(TRUE);
+ AttachWidget (parent, m_mainWidget, (WXWidget) NULL, x, y, width, height);
+ ChangeBackgroundColour();
+
return TRUE;
}
{
}
-void wxScrollBar::SetPosition(int viewStart)
+void wxScrollBar::SetThumbPosition(int pos)
{
- // TODO
+ if (m_mainWidget)
+ {
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNvalue, pos,
+ NULL);
+ }
}
-int wxScrollBar::GetPosition() const
+int wxScrollBar::GetThumbPosition() const
{
- // TODO
- return 0;
+ if (m_mainWidget)
+ {
+ int pos;
+ XtVaGetValues((Widget) m_mainWidget,
+ XmNvalue, &pos, NULL);
+ return pos;
+ }
+ else
+ return 0;
}
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int 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.m_commandInt);
ProcessCommand(event);
}
+void wxScrollBar::ChangeFont(bool 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);
+}
+
+void wxScrollBar::ChangeForegroundColour()
+{
+ wxWindow::ChangeForegroundColour();
+}
+
+static void wxScrollBarCallback(Widget widget, XtPointer clientData,
+ XmScaleCallbackStruct *cbs)
+{
+ wxScrollBar *scrollBar = (wxScrollBar *)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:
+ {
+ // TODO: Should this be intercepted too, or will it cause
+ // duplicate events?
+ eventType = wxEVT_SCROLL_THUMBTRACK;
+ 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());
+ event.SetEventObject(scrollBar);
+ event.SetPosition(cbs->value);
+ scrollBar->GetEventHandler()->ProcessEvent(event);
+/*
+ if (!scrollBar->inSetValue)
+ scrollBar->ProcessCommand(event);
+*/
+}
+