More Motif additions: mdi and sashtest samples now just about work!

[wxWidgets.git] / src / motif / scrolbar.cpp

diff --git a/src/motif/scrolbar.cpp b/src/motif/scrolbar.cpp
index 99e5316bebb7a604df58cf712292726f5f253628..84fa92fe64f9fd644ecc97ad1d280af696263e84 100644 (file)
--- a/src/motif/scrolbar.cpp
+++ b/src/motif/scrolbar.cpp
@@ -15,9 +15,18 @@
 
 #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>
+
+void wxScrollBarCallback(Widget widget, XtPointer clientData,
+                        XmScaleCallbackStruct *cbs);
+
 #if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
-
 #endif
 
 // Scrollbar
@@ -40,7 +49,50 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
     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);
+    ChangeColour(m_mainWidget);
+
     return TRUE;
 }
 
@@ -48,15 +100,27 @@ wxScrollBar::~wxScrollBar()
 {
 }
 
-void wxScrollBar::SetPosition(int viewStart)
+void wxScrollBar::SetPosition(int pos)
 {
-    // TODO
+       if (m_mainWidget)
+       {
+               XtVaSetValues ((Widget) m_mainWidget,
+                               XmNvalue, pos,
+                               NULL);
+       }
 }
 
 int wxScrollBar::GetPosition() 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,
@@ -66,9 +130,19 @@ void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageS
     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)
 {
@@ -76,3 +150,71 @@ void wxScrollBar::Command(wxCommandEvent& event)
     ProcessCommand(event);
 }
 
+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);
+*/
+}
+