Fix over aggressive clipping in generic wxListCtrl header drawing.

[wxWidgets.git] / src / generic / splitter.cpp

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 444304ae32c0d36f978f0a3dc2e393d7727dab4f..e358c875de0a504b41ceb2fe542a3c58f13e5043 100644 (file)
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -39,10 +39,10 @@
 
 #include <stdlib.h>
 
 
 #include <stdlib.h>
 

-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_UNSPLIT)
+wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_UNSPLIT, wxSplitterEvent );

 
 IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
 


@@ -61,6 +61,7 @@ BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
     EVT_PAINT(wxSplitterWindow::OnPaint)
     EVT_SIZE(wxSplitterWindow::OnSize)
     EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
     EVT_PAINT(wxSplitterWindow::OnPaint)
     EVT_SIZE(wxSplitterWindow::OnSize)
     EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)

+    EVT_MOUSE_CAPTURE_LOST(wxSplitterWindow::OnMouseCaptureLost)

 
 #if defined( __WXMSW__ ) || defined( __WXMAC__)
     EVT_SET_CURSOR(wxSplitterWindow::OnSetCursor)
 
 #if defined( __WXMSW__ ) || defined( __WXMAC__)
     EVT_SET_CURSOR(wxSplitterWindow::OnSetCursor)


@@ -71,6 +72,19 @@ END_EVENT_TABLE()
 
 WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow, wxWindow)
 
 
 WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow, wxWindow)
 

+static bool IsLive(wxSplitterWindow* wnd)
+{
+    // with wxSP_LIVE_UPDATE style the splitter windows are always resized
+    // following the mouse movement while it drags the sash, without it we only
+    // draw the sash at the new position but only resize the windows when the
+    // dragging is finished
+#if defined( __WXMAC__ ) && defined(TARGET_API_MAC_OSX) && TARGET_API_MAC_OSX == 1
+    return true; // Mac can't paint outside paint event - always need live mode
+#else
+    return wnd->HasFlag(wxSP_LIVE_UPDATE);
+#endif
+}
+

 bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
                                    const wxPoint& pos,
                                    const wxSize& size,
 bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
                                    const wxPoint& pos,
                                    const wxSize& size,


@@ -84,6 +98,7 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
     style &= ~wxBORDER_MASK;
     style |= wxBORDER_NONE;
 
     style &= ~wxBORDER_MASK;
     style |= wxBORDER_NONE;
 

+

     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
 
     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
 


@@ -91,7 +106,7 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
         m_lastSize.x = size.x;
     if (size.y >= 0)
         m_lastSize.y = size.y;
         m_lastSize.x = size.x;
     if (size.y >= 0)
         m_lastSize.y = size.y;

-    
+

     m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
 
     // FIXME: with this line the background is not erased at all under GTK1,
     m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
 
     // FIXME: with this line the background is not erased at all under GTK1,


@@ -111,13 +126,12 @@ void wxSplitterWindow::Init()
 
     m_splitMode = wxSPLIT_VERTICAL;
     m_permitUnsplitAlways = true;
 
     m_splitMode = wxSPLIT_VERTICAL;
     m_permitUnsplitAlways = true;

-    m_windowOne = (wxWindow *) NULL;
-    m_windowTwo = (wxWindow *) NULL;
+    m_windowOne = NULL;
+    m_windowTwo = NULL;

     m_dragMode = wxSPLIT_DRAG_NONE;
     m_oldX = 0;
     m_oldY = 0;
     m_dragMode = wxSPLIT_DRAG_NONE;
     m_oldX = 0;
     m_oldY = 0;

-    m_firstX = 0;
-    m_firstY = 0;
+    m_sashStart = 0;

     m_sashPosition = m_requestedSashPosition = 0;
     m_sashGravity = 0.0;
     m_sashSize = -1; // -1 means use the native sash size
     m_sashPosition = m_requestedSashPosition = 0;
     m_sashGravity = 0.0;
     m_sashSize = -1; // -1 means use the native sash size


@@ -206,20 +220,14 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
     int x = (int)event.GetX(),
         y = (int)event.GetY();
 
     int x = (int)event.GetX(),
         y = (int)event.GetY();
 

-    if (GetWindowStyle() & wxSP_NOSASH)
+    if ( GetWindowStyle() & wxSP_NOSASH )
+    {
+        event.Skip();

         return;
         return;

+    }
+
+    bool isLive = IsLive(this);

 
 

-    // with wxSP_LIVE_UPDATE style the splitter windows are always resized
-    // following the mouse movement while it drags the sash, without it we only
-    // draw the sash at the new position but only resize the windows when the
-    // dragging is finished
-#if defined( __WXMAC__ ) 
-    // FIXME : this should be usable also with no live update, but then this
-    // currently is not visible
-    bool isLive = true;
-#else
-    bool isLive = HasFlag(wxSP_LIVE_UPDATE);
-#endif

     if (event.LeftDown())
     {
         if ( SashHitTest(x, y) )
     if (event.LeftDown())
     {
         if ( SashHitTest(x, y) )


@@ -237,13 +245,13 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 // shadow sash
                 m_sashPositionCurrent = m_sashPosition;
 
                 // shadow sash
                 m_sashPositionCurrent = m_sashPosition;
 

-                DrawSashTracker(x, y);
+                m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
+                m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
+                DrawSashTracker(m_oldX, m_oldY);

             }
 
             }
 

-            m_oldX = x;
-            m_oldY = y;
-
-            SetResizeCursor();
+            m_ptStart = wxPoint(x,y);
+            m_sashStart = m_sashPosition;

             return;
         }
     }
             return;
         }
     }


@@ -271,10 +279,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
         // the position of the click doesn't exactly correspond to
         // m_sashPosition, rather it changes it by the distance by which the
         // mouse has moved
         // the position of the click doesn't exactly correspond to
         // m_sashPosition, rather it changes it by the distance by which the
         // mouse has moved

-        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_oldX : y - m_oldY;
+        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;

 
 

-        int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
-        int posSashNew = OnSashPositionChanging(posSashOld + diff);
+        int posSashNew = OnSashPositionChanging(m_sashStart + diff);

         if ( posSashNew == -1 )
         {
             // change not allowed
         if ( posSashNew == -1 )
         {
             // change not allowed


@@ -289,7 +296,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 // We remove the first window from the view
                 wxWindow *removedWindow = m_windowOne;
                 m_windowOne = m_windowTwo;
                 // We remove the first window from the view
                 wxWindow *removedWindow = m_windowOne;
                 m_windowOne = m_windowTwo;

-                m_windowTwo = (wxWindow *) NULL;
+                m_windowTwo = NULL;

                 OnUnsplit(removedWindow);
                 wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
                 eventUnsplit.m_data.win = removedWindow;
                 OnUnsplit(removedWindow);
                 wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
                 eventUnsplit.m_data.win = removedWindow;


@@ -300,7 +307,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
             {
                 // We remove the second window from the view
                 wxWindow *removedWindow = m_windowTwo;
             {
                 // We remove the second window from the view
                 wxWindow *removedWindow = m_windowTwo;

-                m_windowTwo = (wxWindow *) NULL;
+                m_windowTwo = NULL;

                 OnUnsplit(removedWindow);
                 wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
                 eventUnsplit.m_data.win = removedWindow;
                 OnUnsplit(removedWindow);
                 wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
                 eventUnsplit.m_data.win = removedWindow;


@@ -328,62 +335,53 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
     }
     else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
     {
     }
     else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
     {

-        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_oldX : y - m_oldY;
-        if ( !diff )
-        {
-            // nothing to do, mouse didn't really move far enough
-            return;
-        }
+        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;

 
 

-        int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
-        int posSashNew = OnSashPositionChanging(posSashOld + diff);
+        int posSashNew = OnSashPositionChanging(m_sashStart + diff);

         if ( posSashNew == -1 )
         {
             // change not allowed
             return;
         }
 
         if ( posSashNew == -1 )
         {
             // change not allowed
             return;
         }
 

-        if ( posSashNew == m_sashPosition )
-            return;
-
-        // Erase old tracker

         if ( !isLive )
         {
         if ( !isLive )
         {

-            DrawSashTracker(m_oldX, m_oldY);
-        }
+            if ( posSashNew == m_sashPositionCurrent )
+                return;

 
 

-        if (m_splitMode == wxSPLIT_VERTICAL)
-            x = posSashNew;
-        else
-            y = posSashNew;
+            m_sashPositionCurrent = posSashNew;

 
 

-        // Remember old positions
-        m_oldX = x;
-        m_oldY = y;
+            // Erase old tracker
+            DrawSashTracker(m_oldX, m_oldY);
+
+            m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
+            m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);

 
 #ifdef __WXMSW__
 
 #ifdef __WXMSW__

-        // As we captured the mouse, we may get the mouse events from outside
-        // our window - for example, negative values in x, y. This has a weird
-        // consequence under MSW where we use unsigned values sometimes and
-        // signed ones other times: the coordinates turn as big positive
-        // numbers and so the sash is drawn on the *right* side of the window
-        // instead of the left (or bottom instead of top). Correct this.
-        if ( (short)m_oldX < 0 )
-            m_oldX = 0;
-        if ( (short)m_oldY < 0 )
-            m_oldY = 0;
+            // As we captured the mouse, we may get the mouse events from outside
+            // our window - for example, negative values in x, y. This has a weird
+            // consequence under MSW where we use unsigned values sometimes and
+            // signed ones other times: the coordinates turn as big positive
+            // numbers and so the sash is drawn on the *right* side of the window
+            // instead of the left (or bottom instead of top). Correct this.
+            if ( (short)m_oldX < 0 )
+                m_oldX = 0;
+            if ( (short)m_oldY < 0 )
+                m_oldY = 0;

 #endif // __WXMSW__
 
 #endif // __WXMSW__
 

-        // Draw new one
-        if ( !isLive )
-        {
-            m_sashPositionCurrent = posSashNew;
-
+            // Draw new one

             DrawSashTracker(m_oldX, m_oldY);
         }
         else
         {
             DrawSashTracker(m_oldX, m_oldY);
         }
         else
         {

+            if ( posSashNew == m_sashPosition )
+                return;
+

             DoSetSashPosition(posSashNew);
             DoSetSashPosition(posSashNew);

+
+            // in live mode, the new position is the actual sash position, clear requested position!
+            m_requestedSashPosition = INT_MAX;

             m_needUpdating = true;
         }
     }
             m_needUpdating = true;
         }
     }


@@ -391,6 +389,26 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
     {
         OnDoubleClickSash(x, y);
     }
     {
         OnDoubleClickSash(x, y);
     }

+    else
+    {
+        event.Skip();
+    }
+}
+
+void wxSplitterWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    if (m_dragMode != wxSPLIT_DRAG_DRAGGING)
+        return;
+
+    m_dragMode = wxSPLIT_DRAG_NONE;
+
+    SetCursor(* wxSTANDARD_CURSOR);
+
+    // Erase old tracker
+    if ( !IsLive(this) )
+    {
+        DrawSashTracker(m_oldX, m_oldY);
+    }

 }
 
 void wxSplitterWindow::OnSize(wxSizeEvent& event)
 }
 
 void wxSplitterWindow::OnSize(wxSizeEvent& event)


@@ -453,7 +471,7 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
 void wxSplitterWindow::SetSashGravity(double gravity)
 {
     wxCHECK_RET( gravity >= 0. && gravity <= 1.,
 void wxSplitterWindow::SetSashGravity(double gravity)
 {
     wxCHECK_RET( gravity >= 0. && gravity <= 1.,

-                    _T("invalid gravity value") );
+                    wxT("invalid gravity value") );

 
     m_sashGravity = gravity;
 }
 
     m_sashGravity = gravity;
 }


@@ -523,33 +541,15 @@ void wxSplitterWindow::DrawSashTracker(int x, int y)
 
     if ( m_splitMode == wxSPLIT_VERTICAL )
     {
 
     if ( m_splitMode == wxSPLIT_VERTICAL )
     {

-        x1 = x; y1 = 2;
-        x2 = x; y2 = h-2;
-
-        if ( x1 > w )
-        {
-            x1 = w; x2 = w;
-        }
-        else if ( x1 < 0 )
-        {
-            x1 = 0; x2 = 0;
-        }
+        x1 = x2 = wxClip(x, 0, w) + m_sashTrackerPen->GetWidth()/2;
+        y1 = 2;
+        y2 = h-2;

     }
     else
     {
     }
     else
     {

-        x1 = 2; y1 = y;
-        x2 = w-2; y2 = y;
-
-        if ( y1 > h )
-        {
-            y1 = h;
-            y2 = h;
-        }
-        else if ( y1 < 0 )
-        {
-            y1 = 0;
-            y2 = 0;
-        }
+        y1 = y2 = wxClip(y, 0, h) + m_sashTrackerPen->GetWidth()/2;
+        x1 = 2;
+        x2 = w-2;

     }
 
     ClientToScreen(&x1, &y1);
     }
 
     ClientToScreen(&x1, &y1);


@@ -602,7 +602,7 @@ int wxSplitterWindow::AdjustSashPosition(int sashPos) const
             minSize = m_minimumPaneSize;
 
         int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();
             minSize = m_minimumPaneSize;
 
         int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();

-        if ( maxSize > 0 && sashPos > maxSize )
+        if ( maxSize > 0 && sashPos > maxSize && maxSize >= m_minimumPaneSize)

             sashPos = maxSize;
     }
 
             sashPos = maxSize;
     }
 


@@ -720,13 +720,13 @@ void wxSplitterWindow::SizeWindows()
 void wxSplitterWindow::Initialize(wxWindow *window)
 {
     wxASSERT_MSG( (!window || window->GetParent() == this),
 void wxSplitterWindow::Initialize(wxWindow *window)
 {
     wxASSERT_MSG( (!window || window->GetParent() == this),

-                  _T("windows in the splitter should have it as parent!") );
+                  wxT("windows in the splitter should have it as parent!") );

 
     if (window && !window->IsShown())
         window->Show();
 
     m_windowOne = window;
 
     if (window && !window->IsShown())
         window->Show();
 
     m_windowOne = window;

-    m_windowTwo = (wxWindow *) NULL;
+    m_windowTwo = NULL;

     DoSetSashPosition(0);
 }
 
     DoSetSashPosition(0);
 }
 


@@ -741,10 +741,10 @@ bool wxSplitterWindow::DoSplit(wxSplitMode mode,
         return false;
 
     wxCHECK_MSG( window1 && window2, false,
         return false;
 
     wxCHECK_MSG( window1 && window2, false,

-                 _T("can not split with NULL window(s)") );
+                 wxT("can not split with NULL window(s)") );

 
     wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false,
 
     wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false,

-                  _T("windows in the splitter should have it as parent!") );
+                  wxT("windows in the splitter should have it as parent!") );

 
     if (! window1->IsShown())
         window1->Show();
 
     if (! window1->IsShown())
         window1->Show();


@@ -755,15 +755,8 @@ bool wxSplitterWindow::DoSplit(wxSplitMode mode,
     m_windowOne = window1;
     m_windowTwo = window2;
 
     m_windowOne = window1;
     m_windowTwo = window2;
 

-    // remember the sash position we want to set for later if we can't set it
-    // right now (e.g. because the window is too small)
-    m_requestedSashPosition = sashPosition;
-    m_checkRequestedSashPosition = false;
-
-    DoSetSashPosition(ConvertSashPosition(sashPosition));
-
-    SizeWindows();

 
 

+    SetSashPosition(sashPosition, true);

     return true;
 }
 
     return true;
 }
 


@@ -796,13 +789,13 @@ bool wxSplitterWindow::Unsplit(wxWindow *toRemove)
     if ( toRemove == NULL || toRemove == m_windowTwo)
     {
         win = m_windowTwo ;
     if ( toRemove == NULL || toRemove == m_windowTwo)
     {
         win = m_windowTwo ;

-        m_windowTwo = (wxWindow *) NULL;
+        m_windowTwo = NULL;

     }
     else if ( toRemove == m_windowOne )
     {
         win = m_windowOne ;
         m_windowOne = m_windowTwo;
     }
     else if ( toRemove == m_windowOne )
     {
         win = m_windowOne ;
         m_windowOne = m_windowTwo;

-        m_windowTwo = (wxWindow *) NULL;
+        m_windowTwo = NULL;

     }
     else
     {
     }
     else
     {


@@ -912,9 +905,12 @@ wxSize wxSplitterWindow::DoGetBestSize() const
         pSash = &sizeBest.y;
     }
 
         pSash = &sizeBest.y;
     }
 

-    // account for the border and the sash
+    // account for the sash if the window is actually split
+    if ( m_windowOne && m_windowTwo )
+        *pSash += GetSashSize();
+
+    // account for the border too

     int border = 2*GetBorderSize();
     int border = 2*GetBorderSize();

-    *pSash += GetSashSize();

     sizeBest.x += border;
     sizeBest.y += border;
 
     sizeBest.x += border;
     sizeBest.y += border;
 


@@ -968,12 +964,12 @@ int wxSplitterWindow::OnSashPositionChanging(int newSashPosition)
     {
         // If resultant pane would be too small, enlarge it
         newSashPosition = AdjustSashPosition(newSashPosition);
     {
         // If resultant pane would be too small, enlarge it
         newSashPosition = AdjustSashPosition(newSashPosition);

-    }

 
 

-    // If the result is out of bounds it means minimum size is too big,
-    // so split window in half as best compromise.
-    if ( newSashPosition < 0 || newSashPosition > window_size )
-        newSashPosition = window_size / 2;
+        // If the result is out of bounds it means minimum size is too big,
+        // so split window in half as best compromise.
+        if ( newSashPosition < 0 || newSashPosition > window_size )
+            newSashPosition = window_size / 2;
+    }

 
     // now let the event handler have it
     //
 
     // now let the event handler have it
     //