Patch 559673 and 561053

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

diff --git a/src/univ/scrolbar.cpp b/src/univ/scrolbar.cpp
index 49aee0df40a63e88ba00b9564771388ea5dea537..16fc367cdf389f1799e27ba48fe8e8ae46e38a02 100644 (file)
--- a/src/univ/scrolbar.cpp
+++ b/src/univ/scrolbar.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     20.08.00
 // RCS-ID:      $Id$
-// Copyright:   (c) 2000 Vadim Zeitlin
+// Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
@@ -42,6 +42,7 @@
 #include "wx/univ/renderer.h"
 #include "wx/univ/inphand.h"
 #include "wx/univ/theme.h"
+#include "wx/log.h"
 
 #define WXDEBUG_SCROLLBAR
 
@@ -49,6 +50,10 @@
     #undef WXDEBUG_SCROLLBAR
 #endif // !__WXDEBUG__
 
+#if defined(WXDEBUG_SCROLLBAR) && defined(__WXMSW__) && !defined(__WXMICROWIN__)
+#include "wx/msw/private.h"
+#endif
+
 // ----------------------------------------------------------------------------
 // wxScrollBarTimer: this class is used to repeatedly scroll the scrollbar
 // when the mouse is help pressed on the arrow or on the bar. It generates the
@@ -160,6 +165,28 @@ wxScrollBar::~wxScrollBar()
 {
 }
 
+// ----------------------------------------------------------------------------
+// misc accessors
+// ----------------------------------------------------------------------------
+
+bool wxScrollBar::IsStandalone() const
+{
+    wxWindow *parent = GetParent();
+    if ( !parent )
+    {
+        return TRUE;
+    }
+
+    return (parent->GetScrollbar(wxHORIZONTAL) != this) &&
+           (parent->GetScrollbar(wxVERTICAL) != this);
+}
+
+bool wxScrollBar::AcceptsFocus() const
+{
+    // the window scrollbars never accept focus
+    return wxScrollBarBase::AcceptsFocus() && IsStandalone();
+}
+
 // ----------------------------------------------------------------------------
 // scrollbar API
 // ----------------------------------------------------------------------------
@@ -296,6 +323,12 @@ wxScrollArrows::Arrow wxScrollBar::HitTest(const wxPoint& pt) const
 // ----------------------------------------------------------------------------
 
 void wxScrollBar::OnIdle(wxIdleEvent& event)
+{
+    UpdateThumb();
+    event.Skip();
+}
+
+void wxScrollBar::UpdateThumb()
 {
     if ( m_dirty )
     {
@@ -360,7 +393,7 @@ void wxScrollBar::OnIdle(wxIdleEvent& event)
         }
 #endif // WXDEBUG_SCROLLBAR
 
-                    Refresh(TRUE, &rect);
+                    Refresh(FALSE, &rect);
                 }
 
                 m_elementsState[n] &= ~wxCONTROL_DIRTY;
@@ -369,8 +402,6 @@ void wxScrollBar::OnIdle(wxIdleEvent& event)
 
         m_dirty = FALSE;
     }
-
-    event.Skip();
 }
 
 void wxScrollBar::DoDraw(wxControlRenderer *renderer)
@@ -460,6 +491,10 @@ bool wxScrollBar::PerformAction(const wxControlAction& action,
     {
         DoSetThumb(numArg);
 
+        // VS: we have to force redraw here, otherwise the thumb will lack
+        //     behind mouse cursor
+        UpdateThumb();
+
         scrollType = wxEVT_SCROLLWIN_THUMBTRACK;
     }
     else if ( action == wxACTION_SCROLL_LINE_UP )
@@ -512,6 +547,16 @@ bool wxScrollBar::PerformAction(const wxControlAction& action,
     bool changed = m_thumbPos != thumbOld;
     if ( notify || changed )
     {
+        if ( IsStandalone() )
+        {
+            // we should generate EVT_SCROLL events for the standalone
+            // scrollbars and not the EVT_SCROLLWIN ones
+            //
+            // NB: we assume that scrollbar events are sequentially numbered
+            //     but this should be ok as other code relies on this as well
+            scrollType += wxEVT_SCROLL_TOP - wxEVT_SCROLLWIN_TOP;
+        }
+
         wxScrollWinEvent event(scrollType, m_thumbPos,
                                IsVertical() ? wxVERTICAL : wxHORIZONTAL);
         event.SetEventObject(this);
@@ -531,14 +576,16 @@ void wxScrollBar::ScrollToEnd()
     DoSetThumb(m_range - m_thumbSize);
 }
 
-void wxScrollBar::ScrollLines(int nLines)
+bool wxScrollBar::ScrollLines(int nLines)
 {
     DoSetThumb(m_thumbPos + nLines);
+    return TRUE;
 }
 
-void wxScrollBar::ScrollPages(int nPages)
+bool wxScrollBar::ScrollPages(int nPages)
 {
     DoSetThumb(m_thumbPos + nPages*m_pageSize);
+    return TRUE;
 }
 
 // ============================================================================
@@ -653,7 +700,7 @@ void wxStdScrollBarInputHandler::HandleThumbMove(wxScrollBar *scrollbar,
     scrollbar->PerformAction(wxACTION_SCROLL_THUMB_MOVE, thumbPos);
 }
 
-bool wxStdScrollBarInputHandler::HandleKey(wxControl *control,
+bool wxStdScrollBarInputHandler::HandleKey(wxInputConsumer *consumer,
                                            const wxKeyEvent& event,
                                            bool pressed)
 {
@@ -669,22 +716,24 @@ bool wxStdScrollBarInputHandler::HandleKey(wxControl *control,
             case WXK_LEFT:      action = wxACTION_SCROLL_LINE_UP;   break;
             case WXK_HOME:      action = wxACTION_SCROLL_START;     break;
             case WXK_END:       action = wxACTION_SCROLL_END;       break;
+            case WXK_PAGEUP:
             case WXK_PRIOR:     action = wxACTION_SCROLL_PAGE_UP;   break;
+            case WXK_PAGEDOWN:
             case WXK_NEXT:      action = wxACTION_SCROLL_PAGE_DOWN; break;
         }
 
         if ( !!action )
         {
-            control->PerformAction(action);
+            consumer->PerformAction(action);
 
             return TRUE;
         }
     }
 
-    return wxStdInputHandler::HandleKey(control, event, pressed);
+    return wxStdInputHandler::HandleKey(consumer, event, pressed);
 }
 
-bool wxStdScrollBarInputHandler::HandleMouse(wxControl *control,
+bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
                                              const wxMouseEvent& event)
 {
     // is this a click event from an acceptable button?
@@ -692,7 +741,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxControl *control,
     if ( (btn != -1) && IsAllowedButton(btn) )
     {
         // determine which part of the window mouse is in
-        wxScrollBar *scrollbar = wxStaticCast(control, wxScrollBar);
+        wxScrollBar *scrollbar = wxStaticCast(consumer->GetInputWindow(), wxScrollBar);
         wxHitTest ht = m_renderer->HitTestScrollbar
                                    (
                                     scrollbar,
@@ -706,7 +755,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxControl *control,
             if ( !m_winCapture )
             {
                 m_btnCapture = btn;
-                m_winCapture = control;
+                m_winCapture = consumer->GetInputWindow();
                 m_winCapture->CaptureMouse();
 
                 // generate the command
@@ -733,7 +782,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxControl *control,
                         break;
 
                     case wxHT_SCROLLBAR_THUMB:
-                        control->PerformAction(wxACTION_SCROLL_THUMB_DRAG);
+                        consumer->PerformAction(wxACTION_SCROLL_THUMB_DRAG);
                         m_ofsMouse = GetMouseCoord(scrollbar, event) -
                                      m_renderer->ScrollbarToPixel(scrollbar);
 
@@ -791,13 +840,13 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxControl *control,
         }
     }
 
-    return wxStdInputHandler::HandleMouse(control, event);
+    return wxStdInputHandler::HandleMouse(consumer, event);
 }
 
-bool wxStdScrollBarInputHandler::HandleMouseMove(wxControl *control,
+bool wxStdScrollBarInputHandler::HandleMouseMove(wxInputConsumer *consumer,
                                                  const wxMouseEvent& event)
 {
-    wxScrollBar *scrollbar = wxStaticCast(control, wxScrollBar);
+    wxScrollBar *scrollbar = wxStaticCast(consumer->GetInputWindow(), wxScrollBar);
 
     if ( m_winCapture )
     {