X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4d89e13e3a6946bc411e4c2f0797a833c09089a8..6493aacaeb7b22b9fa35c559f7753e9fec0da71f:/src/generic/splitter.cpp

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 11ab7e9734..1dba3581bf 100644
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "splitter.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -27,6 +23,7 @@
     #include "wx/utils.h"
     #include "wx/log.h"
 
+    #include "wx/dcclient.h"
     #include "wx/dcscreen.h"
 
     #include "wx/window.h"
@@ -76,7 +73,7 @@ BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
     WX_EVENT_TABLE_CONTROL_CONTAINER(wxSplitterWindow)
 END_EVENT_TABLE()
 
-WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow);
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow)
 
 bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
                                    const wxPoint& pos,
@@ -94,8 +91,21 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
 
+    if (size.x >= 0)
+        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,
+    //        so temporary avoid it there
+#if !defined(__WXGTK__) || defined(__WXGTK20__)
+    // don't erase the splitter background, it's pointless as we overwrite it
+    // anyhow
+    SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+#endif
+
     return true;
 }
 
@@ -113,6 +123,9 @@ void wxSplitterWindow::Init()
     m_firstX = 0;
     m_firstY = 0;
     m_sashPosition = m_requestedSashPosition = 0;
+    m_sashGravity = 0.0;
+    m_sashSize = -1; // -1 means use the native sash size
+    m_lastSize = wxSize(0,0);
     m_checkRequestedSashPosition = false;
     m_minimumPaneSize = 0;
     m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE);
@@ -280,9 +293,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 m_windowOne = m_windowTwo;
                 m_windowTwo = (wxWindow *) NULL;
                 OnUnsplit(removedWindow);
-                wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
-                event.m_data.win = removedWindow;
-                (void)DoSendEvent(event);
+                wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+                eventUnsplit.m_data.win = removedWindow;
+                (void)DoSendEvent(eventUnsplit);
                 SetSashPositionAndNotify(0);
             }
             else if ( posSashNew == GetWindowSize() )
@@ -291,9 +304,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 wxWindow *removedWindow = m_windowTwo;
                 m_windowTwo = (wxWindow *) NULL;
                 OnUnsplit(removedWindow);
-                wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
-                event.m_data.win = removedWindow;
-                (void)DoSendEvent(event);
+                wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+                eventUnsplit.m_data.win = removedWindow;
+                (void)DoSendEvent(eventUnsplit);
                 SetSashPositionAndNotify(0);
             }
             else
@@ -372,7 +385,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
         }
         else
         {
-            SetSashPositionAndNotify(posSashNew);
+            DoSetSashPosition(posSashNew);
             m_needUpdating = true;
         }
     }
@@ -404,6 +417,8 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
 
     if ( iconized )
     {
+        m_lastSize = wxSize(0,0);
+
         event.Skip();
 
         return;
@@ -415,13 +430,36 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
         GetClientSize(&w, &h);
 
         int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
+
+        int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
+        if ( old_size != 0 )
+        {
+            int delta = (int) ( (size - old_size)*m_sashGravity );
+            if ( delta != 0 )
+            {
+                int newPosition = m_sashPosition + delta;
+                if( newPosition < m_minimumPaneSize )
+                    newPosition = m_minimumPaneSize;
+                SetSashPositionAndNotify(newPosition);
+            }
+        }
+
         if ( m_sashPosition >= size - 5 )
             SetSashPositionAndNotify(wxMax(10, size - 40));
+        m_lastSize = wxSize(w,h);
     }
 
     SizeWindows();
 }
 
+void wxSplitterWindow::SetSashGravity(double gravity)
+{
+    wxCHECK_RET( gravity >= 0. && gravity <= 1.,
+                    _T("invalid gravity value") );
+
+    m_sashGravity = gravity;
+}
+
 bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
 {
     if ( m_windowTwo == NULL || m_sashPosition == 0)
@@ -436,7 +474,7 @@ bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
 
 int wxSplitterWindow::GetSashSize() const
 {
-    return wxRendererNative::Get().GetSplitterParams(this).widthSash;
+    return m_sashSize > -1 ? m_sashSize : wxRendererNative::Get().GetSplitterParams(this).widthSash;
 }
 
 int wxSplitterWindow::GetBorderSize() const
@@ -471,7 +509,7 @@ void wxSplitterWindow::DrawSash(wxDC& dc)
                                 m_sashPosition,
                                 m_splitMode == wxSPLIT_VERTICAL ? wxVERTICAL
                                                                 : wxHORIZONTAL,
-                                m_isHot ? wxCONTROL_CURRENT : 0
+                                m_isHot ? (int)wxCONTROL_CURRENT : 0
                             );
 }
 
@@ -537,8 +575,6 @@ int wxSplitterWindow::GetWindowSize() const
 
 int wxSplitterWindow::AdjustSashPosition(int sashPos) const
 {
-    int window_size = GetWindowSize();
-
     wxWindow *win;
 
     win = GetWindow1();
@@ -567,8 +603,8 @@ int wxSplitterWindow::AdjustSashPosition(int sashPos) const
         if ( minSize == -1 || m_minimumPaneSize > minSize )
             minSize = m_minimumPaneSize;
 
-        int maxSize = window_size - minSize - GetBorderSize() - GetSashSize();
-        if ( sashPos > maxSize )
+        int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();
+        if ( maxSize > 0 && sashPos > maxSize )
             sashPos = maxSize;
     }
 
@@ -591,17 +627,19 @@ void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
 {
     // we must reset the request here, otherwise the sash would be stuck at
     // old position if the user attempted to move the sash after invalid
-    // (e.g. smaller than minsize) sash position was requested using 
+    // (e.g. smaller than minsize) sash position was requested using
     // SetSashPosition():
     m_requestedSashPosition = INT_MAX;
 
-    if ( DoSetSashPosition(sashPos) )
-    {
-        wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
-        event.m_data.pos = m_sashPosition;
+    // note that we must send the event in any case, i.e. even if the sash
+    // position hasn't changed and DoSetSashPosition() returns false because we
+    // must generate a CHANGED event at the end of resizing
+    DoSetSashPosition(sashPos);
 
-        (void)DoSendEvent(event);
-    }
+    wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
+    event.m_data.pos = m_sashPosition;
+
+    (void)DoSendEvent(event);
 }
 
 // Position and size subwindows.
@@ -662,8 +700,8 @@ void wxSplitterWindow::SizeWindows()
             y2 = size2;
         }
 
-        GetWindow1()->SetSize(border, border, w1, h1);
         GetWindow2()->SetSize(x2, y2, w2, h2);
+        GetWindow1()->SetSize(border, border, w1, h1);
     }
 
     wxClientDC dc(this);
@@ -678,6 +716,9 @@ void wxSplitterWindow::Initialize(wxWindow *window)
     wxASSERT_MSG( (!window || (window && window->GetParent() == this)),
                   _T("windows in the splitter should have it as parent!") );
 
+    if (window && !window->IsShown())
+        window->Show();
+
     m_windowOne = window;
     m_windowTwo = (wxWindow *) NULL;
     DoSetSashPosition(0);
@@ -699,6 +740,11 @@ bool wxSplitterWindow::DoSplit(wxSplitMode mode,
     wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false,
                   _T("windows in the splitter should have it as parent!") );
 
+    if (! window1->IsShown())
+        window1->Show();
+    if (! window2->IsShown())
+        window2->Show();
+
     m_splitMode = mode;
     m_windowOne = window1;
     m_windowTwo = window2;
@@ -829,6 +875,46 @@ bool wxSplitterWindow::DoSendEvent(wxSplitterEvent& event)
     return !GetEventHandler()->ProcessEvent(event) || event.IsAllowed();
 }
 
+wxSize wxSplitterWindow::DoGetBestSize() const
+{
+    // get best sizes of subwindows
+    wxSize size1, size2;
+    if ( m_windowOne )
+        size1 = m_windowOne->GetAdjustedBestSize();
+    if ( m_windowTwo )
+        size2 = m_windowTwo->GetAdjustedBestSize();
+
+    // sum them
+    //
+    // pSash points to the size component to which sash size must be added
+    int *pSash;
+    wxSize sizeBest;
+    if ( m_splitMode == wxSPLIT_VERTICAL )
+    {
+        sizeBest.y = wxMax(size1.y, size2.y);
+        sizeBest.x = wxMax(size1.x, m_minimumPaneSize) +
+                        wxMax(size2.x, m_minimumPaneSize);
+
+        pSash = &sizeBest.x;
+    }
+    else // wxSPLIT_HORIZONTAL
+    {
+        sizeBest.x = wxMax(size1.x, size2.x);
+        sizeBest.y = wxMax(size1.y, m_minimumPaneSize) +
+                        wxMax(size2.y, m_minimumPaneSize);
+
+        pSash = &sizeBest.y;
+    }
+
+    // account for the border and the sash
+    int border = 2*GetBorderSize();
+    *pSash += GetSashSize();
+    sizeBest.x += border;
+    sizeBest.y += border;
+
+    return sizeBest;
+}
+
 // ---------------------------------------------------------------------------
 // wxSplitterWindow virtual functions: they now just generate the events
 // ---------------------------------------------------------------------------