X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/187c183c6a57140886bac1c93cb42b93aa5f4e29..e69d5138dc8f95e294ae6d03beb4f321406f4e34:/src/univ/scrolbar.cpp?ds=inline

diff --git a/src/univ/scrolbar.cpp b/src/univ/scrolbar.cpp
index 4445239eb9..c9f56e5c74 100644
--- a/src/univ/scrolbar.cpp
+++ b/src/univ/scrolbar.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        univ/scrolbar.cpp
+// Name:        src/univ/scrolbar.cpp
 // Purpose:     wxScrollBar implementation
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     20.08.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "univscrolbar.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
@@ -29,12 +25,13 @@
 
 #if wxUSE_SCROLLBAR
 
+#include "wx/scrolbar.h"
+
 #ifndef WX_PRECOMP
     #include "wx/timer.h"
-
     #include "wx/dcclient.h"
-    #include "wx/scrolbar.h"
     #include "wx/validate.h"
+    #include "wx/log.h"
 #endif
 
 #include "wx/univ/scrtimer.h"
@@ -82,7 +79,6 @@ private:
 IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
 
 BEGIN_EVENT_TABLE(wxScrollBar, wxScrollBarBase)
-    EVT_IDLE(wxScrollBar::OnIdle)
 END_EVENT_TABLE()
 
 // ----------------------------------------------------------------------------
@@ -133,7 +129,7 @@ void wxScrollBar::Init()
         m_elementsState[n] = 0;
     }
 
-    m_dirty = FALSE;
+    m_dirty = false;
 }
 
 bool wxScrollBar::Create(wxWindow *parent,
@@ -147,8 +143,8 @@ bool wxScrollBar::Create(wxWindow *parent,
     // the scrollbars never have the border
     style &= ~wxBORDER_MASK;
 
-    if ( !wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name) )
-        return FALSE;
+    if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+        return false;
 
     SetBestSize(size);
 
@@ -157,13 +153,35 @@ bool wxScrollBar::Create(wxWindow *parent,
 
     CreateInputHandler(wxINP_HANDLER_SCROLLBAR);
 
-    return TRUE;
+    return true;
 }
 
 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
 // ----------------------------------------------------------------------------
@@ -200,7 +218,7 @@ void wxScrollBar::DoSetThumb(int pos)
     m_elementsState[Element_Thumb] |= wxCONTROL_DIRTY;
     m_elementsState[m_thumbPos > m_thumbPosOld
                         ? Element_Bar_1 : Element_Bar_2] |= wxCONTROL_DIRTY;
-    m_dirty = TRUE;
+    m_dirty = true;
 }
 
 int wxScrollBar::GetThumbPosition() const
@@ -234,7 +252,7 @@ void wxScrollBar::SetScrollbar(int position, int thumbSize,
                                int range, int pageSize,
                                bool refresh)
 {
-    // we only refresh everythign when the range changes, thumb position
+    // we only refresh everything when the range changes, thumb position
     // changes are handled in OnIdle
     bool needsRefresh = (range != m_range) ||
                         (thumbSize != m_thumbSize) ||
@@ -299,7 +317,13 @@ wxScrollArrows::Arrow wxScrollBar::HitTest(const wxPoint& pt) const
 // drawing
 // ----------------------------------------------------------------------------
 
-void wxScrollBar::OnIdle(wxIdleEvent& event)
+void wxScrollBar::OnInternalIdle()
+{
+    UpdateThumb();
+    wxControl::OnInternalIdle();
+}
+
+void wxScrollBar::UpdateThumb()
 {
     if ( m_dirty )
     {
@@ -348,7 +372,7 @@ void wxScrollBar::OnIdle(wxIdleEvent& event)
                     }
 
 #ifdef WXDEBUG_SCROLLBAR
-        static bool s_refreshDebug = FALSE;
+        static bool s_refreshDebug = false;
         if ( s_refreshDebug )
         {
             wxClientDC dc(this);
@@ -364,17 +388,15 @@ void wxScrollBar::OnIdle(wxIdleEvent& event)
         }
 #endif // WXDEBUG_SCROLLBAR
 
-                    Refresh(TRUE, &rect);
+                    Refresh(false, &rect);
                 }
 
                 m_elementsState[n] &= ~wxCONTROL_DIRTY;
             }
         }
 
-        m_dirty = FALSE;
+        m_dirty = false;
     }
-
-    event.Skip();
 }
 
 void wxScrollBar::DoDraw(wxControlRenderer *renderer)
@@ -382,7 +404,7 @@ void wxScrollBar::DoDraw(wxControlRenderer *renderer)
     renderer->DrawScrollbar(this, m_thumbPosOld);
 
     // clear all dirty flags
-    m_dirty = FALSE;
+    m_dirty = false;
     m_thumbPosOld = -1;
 }
 
@@ -430,7 +452,7 @@ void wxScrollBar::SetState(Element which, int flags)
     {
         m_elementsState[which] = flags | wxCONTROL_DIRTY;
 
-        m_dirty = TRUE;
+        m_dirty = true;
     }
 }
 
@@ -455,7 +477,7 @@ bool wxScrollBar::PerformAction(const wxControlAction& action,
 {
     int thumbOld = m_thumbPos;
 
-    bool notify = FALSE; // send an event about the change?
+    bool notify = false; // send an event about the change?
 
     wxEventType scrollType;
 
@@ -464,6 +486,10 @@ 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 )
@@ -506,7 +532,7 @@ bool wxScrollBar::PerformAction(const wxControlAction& action,
     else if ( action == wxACTION_SCROLL_THUMB_RELEASE )
     {
         // always notify about this
-        notify = TRUE;
+        notify = true;
         scrollType = wxEVT_SCROLLWIN_THUMBRELEASE;
     }
     else
@@ -516,13 +542,29 @@ bool wxScrollBar::PerformAction(const wxControlAction& action,
     bool changed = m_thumbPos != thumbOld;
     if ( notify || changed )
     {
-        wxScrollWinEvent event(scrollType, m_thumbPos,
-                               IsVertical() ? wxVERTICAL : wxHORIZONTAL);
-        event.SetEventObject(this);
-        GetParent()->GetEventHandler()->ProcessEvent(event);
+        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;
+            wxScrollEvent event(scrollType, this->GetId(), m_thumbPos,
+                                IsVertical() ? wxVERTICAL : wxHORIZONTAL);
+            event.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(event);
+        }
+        else // part of the window
+        {
+            wxScrollWinEvent event(scrollType, m_thumbPos,
+                                   IsVertical() ? wxVERTICAL : wxHORIZONTAL);
+            event.SetEventObject(this);
+            GetParent()->GetEventHandler()->ProcessEvent(event);
+        }
     }
 
-    return TRUE;
+    return true;
 }
 
 void wxScrollBar::ScrollToStart()
@@ -538,13 +580,22 @@ void wxScrollBar::ScrollToEnd()
 bool wxScrollBar::ScrollLines(int nLines)
 {
     DoSetThumb(m_thumbPos + nLines);
-    return TRUE;
+    return true;
 }
 
 bool wxScrollBar::ScrollPages(int nPages)
 {
     DoSetThumb(m_thumbPos + nPages*m_pageSize);
-    return TRUE;
+    return true;
+}
+
+/* static */
+wxInputHandler *wxScrollBar::GetStdInputHandler(wxInputHandler *handlerDef)
+{
+    static wxStdScrollBarInputHandler
+        s_handler(wxTheme::Get()->GetRenderer(), handlerDef);
+
+    return &s_handler;
 }
 
 // ============================================================================
@@ -614,12 +665,12 @@ bool wxStdScrollBarInputHandler::OnScrollTimer(wxScrollBar *scrollbar,
     int oldThumbPos = scrollbar->GetThumbPosition();
     scrollbar->PerformAction(action);
     if ( scrollbar->GetThumbPosition() != oldThumbPos )
-        return TRUE;
+        return true;
 
     // we scrolled till the end
     m_timerScroll->Stop();
 
-    return FALSE;
+    return false;
 }
 
 void wxStdScrollBarInputHandler::StopScrolling(wxScrollBar *control)
@@ -640,7 +691,7 @@ void wxStdScrollBarInputHandler::StopScrolling(wxScrollBar *control)
     }
 
     // unpress the arrow and highlight the current element
-    Press(control, FALSE);
+    Press(control, false);
 }
 
 wxCoord
@@ -675,17 +726,15 @@ bool wxStdScrollBarInputHandler::HandleKey(wxInputConsumer *consumer,
             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;
+            case WXK_PAGEUP:    action = wxACTION_SCROLL_PAGE_UP;   break;
+            case WXK_PAGEDOWN:  action = wxACTION_SCROLL_PAGE_DOWN; break;
         }
 
-        if ( !!action )
+        if ( !action.IsEmpty() )
         {
             consumer->PerformAction(action);
 
-            return TRUE;
+            return true;
         }
     }
 
@@ -697,7 +746,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
 {
     // is this a click event from an acceptable button?
     int btn = event.GetButton();
-    if ( (btn != -1) && IsAllowedButton(btn) )
+    if ( btn == wxMOUSE_BTN_LEFT )
     {
         // determine which part of the window mouse is in
         wxScrollBar *scrollbar = wxStaticCast(consumer->GetInputWindow(), wxScrollBar);
@@ -718,7 +767,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
                 m_winCapture->CaptureMouse();
 
                 // generate the command
-                bool hasAction = TRUE;
+                bool hasAction = true;
                 wxControlAction action;
                 switch ( ht )
                 {
@@ -748,18 +797,18 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
                         // fall through: there is no immediate action
 
                     default:
-                        hasAction = FALSE;
+                        hasAction = false;
                 }
 
                 // remove highlighting
-                Highlight(scrollbar, FALSE);
+                Highlight(scrollbar, false);
                 m_htLast = ht;
 
                 // and press the arrow or highlight thumb now instead
                 if ( m_htLast == wxHT_SCROLLBAR_THUMB )
-                    Highlight(scrollbar, TRUE);
+                    Highlight(scrollbar, true);
                 else
-                    Press(scrollbar, TRUE);
+                    Press(scrollbar, true);
 
                 // start dragging
                 if ( hasAction )
@@ -787,7 +836,7 @@ bool wxStdScrollBarInputHandler::HandleMouse(wxInputConsumer *consumer,
                 }
 
                 m_htLast = ht;
-                Highlight(scrollbar, TRUE);
+                Highlight(scrollbar, true);
             }
             else
             {
@@ -809,22 +858,22 @@ bool wxStdScrollBarInputHandler::HandleMouseMove(wxInputConsumer *consumer,
 
     if ( m_winCapture )
     {
-        if ( (m_htLast == wxHT_SCROLLBAR_THUMB) && event.Moving() )
+        if ( (m_htLast == wxHT_SCROLLBAR_THUMB) && event.Dragging() )
         {
             // make the thumb follow the mouse by keeping the same offset
             // between the mouse position and the top/left of the thumb
             HandleThumbMove(scrollbar, event);
 
-            return TRUE;
+            return true;
         }
 
         // no other changes are possible while the mouse is captured
-        return FALSE;
+        return false;
     }
 
     bool isArrow = scrollbar->GetArrows().HandleMouseMove(event);
 
-    if ( event.Moving() )
+    if ( event.Dragging() )
     {
         wxHitTest ht = m_renderer->HitTestScrollbar
                                    (
@@ -834,46 +883,48 @@ bool wxStdScrollBarInputHandler::HandleMouseMove(wxInputConsumer *consumer,
         if ( ht == m_htLast )
         {
             // nothing changed
-            return FALSE;
+            return false;
         }
 
 #ifdef DEBUG_MOUSE
         wxLogDebug("Scrollbar::OnMouseMove: ht = %d", ht);
 #endif // DEBUG_MOUSE
 
-        Highlight(scrollbar, FALSE);
+        Highlight(scrollbar, false);
         m_htLast = ht;
 
         if ( !isArrow )
-            Highlight(scrollbar, TRUE);
+            Highlight(scrollbar, true);
         //else: already done by wxScrollArrows::HandleMouseMove
     }
     else if ( event.Leaving() )
     {
         if ( !isArrow )
-            Highlight(scrollbar, FALSE);
+            Highlight(scrollbar, false);
 
         m_htLast = wxHT_NOWHERE;
     }
     else // event.Entering()
     {
         // we don't process this event
-        return FALSE;
+        return false;
     }
 
     // we did something
-    return TRUE;
+    return true;
 }
 
 #endif // wxUSE_SCROLLBAR
 
+#if wxUSE_TIMER
+
 // ----------------------------------------------------------------------------
 // wxScrollTimer
 // ----------------------------------------------------------------------------
 
 wxScrollTimer::wxScrollTimer()
 {
-    m_skipNext = FALSE;
+    m_skipNext = false;
 }
 
 void wxScrollTimer::StartAutoScroll()
@@ -888,7 +939,7 @@ void wxScrollTimer::StartAutoScroll()
     // there is an initial delay before the scrollbar starts scrolling -
     // implement it by ignoring the first timer expiration and only start
     // scrolling from the second one
-    m_skipNext = TRUE;
+    m_skipNext = true;
     Start(200); // FIXME: hardcoded delay
 }
 
@@ -900,7 +951,7 @@ void wxScrollTimer::Notify()
         Stop();
         Start(50); // FIXME: hardcoded delay
 
-        m_skipNext = FALSE;
+        m_skipNext = false;
     }
     else
     {
@@ -910,3 +961,4 @@ void wxScrollTimer::Notify()
     }
 }
 
+#endif // wxUSE_TIMER