X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f944aec0cf131c1be0b8c127ba1ecdbc8410c9b2..d230488b29e48d130a8883215db18fbd92daf48c:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index a358717876..cc81970cb5 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -834,11 +834,13 @@ void wxSizer::DeleteWindows()
     }
 }
 
-wxSize wxSizer::Fit( wxWindow *window )
+wxSize wxSizer::ComputeFittingClientSize(wxWindow *window)
 {
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
     // take the min size by default and limit it by max size
-    wxSize size = GetMinWindowSize(window);
-    wxSize sizeMax = GetMaxWindowSize(window);
+    wxSize size = GetMinClientSize(window);
+    wxSize sizeMax;
 
     wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow);
     if ( tlw )
@@ -846,31 +848,51 @@ wxSize wxSizer::Fit( wxWindow *window )
         // hack for small screen devices where TLWs are always full screen
         if ( tlw->IsAlwaysMaximized() )
         {
-            size = tlw->GetSize();
+            return tlw->GetClientSize();
         }
-        else // normal situation
-        {
-            // limit the window to the size of the display it is on
-            int disp = wxDisplay::GetFromWindow(window);
-            if ( disp == wxNOT_FOUND )
-            {
-                // or, if we don't know which one it is, of the main one
-                disp = 0;
-            }
 
-            sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+        // limit the window to the size of the display it is on
+        int disp = wxDisplay::GetFromWindow(window);
+        if ( disp == wxNOT_FOUND )
+        {
+            // or, if we don't know which one it is, of the main one
+            disp = 0;
         }
+
+        sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+
+        // space for decorations and toolbars etc.
+        sizeMax = tlw->WindowToClientSize(sizeMax);
+    }
+    else
+    {
+        sizeMax = GetMaxClientSize(window);
     }
 
     if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x )
-        size.x = sizeMax.x;
+            size.x = sizeMax.x;
     if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y )
-        size.y = sizeMax.y;
+            size.y = sizeMax.y;
 
+    return size;
+}
 
-    window->SetSize( size );
+wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window)
+{
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
 
-    return size;
+    return window->ClientToWindowSize(ComputeFittingClientSize(window));
+}
+
+wxSize wxSizer::Fit( wxWindow *window )
+{
+    wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
+    // set client size
+    window->SetClientSize(ComputeFittingClientSize(window));
+
+    // return entire size
+    return window->GetSize();
 }
 
 void wxSizer::FitInside( wxWindow *window )
@@ -899,12 +921,16 @@ void wxSizer::SetSizeHints( wxWindow *window )
     // Preserve the window's max size hints, but set the
     // lower bound according to the sizer calculations.
 
-    wxSize size = Fit( window );
+    // This is equivalent to calling Fit(), except that we need to set
+    // the size hints _in between_ the two steps performed by Fit
+    // (1. ComputeFittingClientSize, 2. SetClientSize). That's because
+    // otherwise SetClientSize() could have no effect if there already are
+    // size hints in effect that forbid requested client size.
 
-    window->SetSizeHints( size.x,
-                          size.y,
-                          window->GetMaxWidth(),
-                          window->GetMaxHeight() );
+    const wxSize clientSize = ComputeFittingClientSize(window);
+
+    window->SetMinClientSize(clientSize);
+    window->SetClientSize(clientSize);
 }
 
 #if WXWIN_COMPATIBILITY_2_8
@@ -914,38 +940,12 @@ void wxSizer::SetVirtualSizeHints( wxWindow *window )
 }
 #endif // WXWIN_COMPATIBILITY_2_8
 
-wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
-{
-    return window->GetMaxSize();
-}
-
-wxSize wxSizer::GetMinWindowSize( wxWindow *window )
-{
-    wxSize      minSize( GetMinSize() );
-    wxSize      size( window->GetSize() );
-    wxSize      client_size( window->GetClientSize() );
-
-    return wxSize( minSize.x+size.x-client_size.x,
-                   minSize.y+size.y-client_size.y );
-}
-
 // TODO on mac we need a function that determines how much free space this
 // min size contains, in order to make sure that we have 20 pixels of free
 // space around the controls
 wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
 {
-    wxSize maxSize( window->GetMaxSize() );
-
-    if ( maxSize != wxDefaultSize )
-    {
-        wxSize size( window->GetSize() );
-        wxSize client_size( window->GetClientSize() );
-
-        return wxSize( maxSize.x + client_size.x - size.x,
-                       maxSize.y + client_size.y - size.y );
-    }
-    else
-        return wxDefaultSize;
+    return window->WindowToClientSize(window->GetMaxSize());
 }
 
 wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )