honour min/max size in wxMGL's wxWindow::DoSetSize

[wxWidgets.git] / src / os2 / toplevel.cpp

diff --git a/src/os2/toplevel.cpp b/src/os2/toplevel.cpp
index ced8e43b349d336ac0013ffbe76246ecf33c5e55..55794c5bfeb4326480328835405610ff31cbd7b9 100644 (file)
--- a/src/os2/toplevel.cpp
+++ b/src/os2/toplevel.cpp
@@ -35,6 +35,7 @@
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/frame.h"
+    #include "wx/control.h"
 #endif //WX_PRECOMP
 
 #include "wx/os2/private.h"
@@ -52,8 +53,10 @@
 wxWindowList wxModelessWindows;
 
 // the name of the default wxWindows class
-extern const wxChar* wxCanvasClassName;
-extern const wxChar* wxFrameClassName;
+extern void          wxAssociateWinWithHandle( HWND         hWnd
+                                              ,wxWindowOS2* pWin
+                                             );
+bool                 wxTopLevelWindowOS2::m_sbInitialized = FALSE;
 
 // ============================================================================
 // wxTopLevelWindowMSW implementation
@@ -196,15 +199,15 @@ bool wxTopLevelWindowOS2::CreateDialog(
     }
 
     HWND                            hWndDlg;
-    HWND                            hWndParent;
+    HWND                            hWndOwner;
 
     if (pParent)
-        hWndParent = GetHwndOf(pParent);
+        hWndOwner = GetHwndOf(pParent);
     else
-        hWndParent = HWND_DESKTOP;
+        hWndOwner = HWND_DESKTOP;
 
-    hWndDlg = ::WinLoadDlg( hWndParent
-                           ,hWndParent
+    hWndDlg = ::WinLoadDlg( HWND_DESKTOP
+                           ,hWndOwner
                            ,(PFNWP)wxDlgProc
                            ,NULL
                            ,(ULONG)ulDlgTemplate
@@ -267,6 +270,19 @@ bool wxTopLevelWindowOS2::CreateDialog(
         nX = (vSizeDpy.x - nWidth) / 2;
         nY = (vSizeDpy.y - nHeight) / 2;
     }
+    m_backgroundColour.Set(wxString("LIGHT GREY"));
+
+    LONG                            lColor = (LONG)m_backgroundColour.GetPixel();
+
+    if (!::WinSetPresParam( m_hWnd
+                           ,PP_BACKGROUNDCOLOR
+                           ,sizeof(LONG)
+                           ,(PVOID)&lColor
+                          ))
+    {
+        return FALSE;
+    }
+
     ::WinSetWindowPos( GetHwnd()
                       ,HWND_TOP
                       ,nX
@@ -275,10 +291,8 @@ bool wxTopLevelWindowOS2::CreateDialog(
                       ,nHeight
                       ,SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW
                      );
-    if (!rsTitle.IsNull())
-    {
-        ::WinSetWindowText(GetHwnd(), rsTitle.c_str());
-    }
+    ::WinQueryWindowPos(GetHwnd(), GetSwp());
+    m_hFrame = m_hWnd;
     SubclassWin(m_hWnd);
     return TRUE;
 } // end of wxTopLevelWindowOS2::CreateDialog
@@ -353,7 +367,7 @@ bool wxTopLevelWindowOS2::CreateFrame(
     wxAssociateWinWithHandle(m_hWnd, this);
     wxAssociateWinWithHandle(m_hFrame, this);
 
-    m_backgroundColour.Set(wxString("GREY"));
+    m_backgroundColour.Set(wxString("MEDIUM GREY"));
 
     LONG                            lColor = (LONG)m_backgroundColour.GetPixel();
 
@@ -405,6 +419,14 @@ bool wxTopLevelWindowOS2::CreateFrame(
         wxLogError("Error sizing frame. Error: %s\n", sError);
         return FALSE;
     }
+    lStyle =  ::WinQueryWindowULong( m_hWnd
+                                    ,QWL_STYLE
+                                   );
+    lStyle |= WS_CLIPCHILDREN;
+    ::WinSetWindowULong( m_hWnd
+                        ,QWL_STYLE
+                        ,lStyle
+                       );
     return TRUE;
 } // end of wxTopLevelWindowOS2::CreateFrame
 
@@ -480,55 +502,6 @@ wxTopLevelWindowOS2::~wxTopLevelWindowOS2()
     }
 } // end of wxTopLevelWindowOS2::~wxTopLevelWindowOS2
 
-//
-//  IF we have child controls in the Frame's client we need to alter
-//  the y position, because, OS/2 controls are positioned relative to
-//  wxWindows orgin (top left) not the OS/2 origin (bottom left)
-//
-void wxTopLevelWindowOS2::AlterChildPos()
-{
-    //
-    // OS/2 is the only OS concerned about this
-    //
-    wxWindow*                               pChild = NULL;
-    wxControl*                              pCtrl = NULL;
-    RECTL                                   vRect;
-    SWP                                     vSwp;
-
-    ::WinQueryWindowRect(GetHwnd(), &vRect);
-    for (wxWindowList::Node* pNode = GetChildren().GetFirst();
-         pNode;
-         pNode = pNode->GetNext())
-    {
-        wxWindow*                   pChild = pNode->GetData();
-
-        ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
-        vSwp.y += (vRect.yTop - m_vSwpClient.cy);
-        if (pChild->IsKindOf(CLASSINFO(wxControl)))
-        {
-            pCtrl = wxDynamicCast(pChild, wxControl);
-            //
-            // Must deal with controls that have margins like ENTRYFIELD.  The SWP
-            // struct of such a control will have and origin offset from its intended
-            // position by the width of the margins.
-            //
-            vSwp.y -= pCtrl->GetYComp();
-            vSwp.x -= pCtrl->GetXComp();
-        }
-        ::WinSetWindowPos( pChild->GetHWND()
-                          ,HWND_TOP
-                          ,vSwp.x
-                          ,vSwp.y
-                          ,vSwp.cx
-                          ,vSwp.cy
-                          ,SWP_MOVE
-                         );
-        ::WinQueryWindowPos(pChild->GetHWND(), &vSwp);
-        pChild = NULL;
-    }
-    ::WinQueryWindowPos(GetHwnd(), &m_vSwpClient);
-} // end of wxTopLevelWindowOS2::AlterChildPos
-
 // ----------------------------------------------------------------------------
 // wxTopLevelWindowOS2 client size
 // ----------------------------------------------------------------------------
@@ -577,7 +550,12 @@ void wxTopLevelWindowOS2::DoShowWindow(
   int                               nShowCmd
 )
 {
-    ::WinShowWindow(m_hFrame, (BOOL)nShowCmd);
+    ::WinShowWindow(m_hFrame, (BOOL)(nShowCmd & SWP_SHOW));
+
+    //
+    // Need to artificially send a size event as wxApps often expect to do some
+    // final child control sizing
+    SendSizeEvent();
     m_bIconized = nShowCmd == SWP_MINIMIZE;
 } // end of wxTopLevelWindowOS2::DoShowWindow
 
@@ -593,12 +571,12 @@ bool wxTopLevelWindowOS2::Show(
     {
         if (m_bMaximizeOnShow)
         {
-            nShowCmd = SWP_SHOW;
+            nShowCmd = SWP_MAXIMIZE;
             m_bMaximizeOnShow = FALSE;
         }
         else
         {
-            nShowCmd = SWP_HIDE;
+            nShowCmd = SWP_SHOW;
         }
     }
     else // hide
@@ -616,6 +594,34 @@ bool wxTopLevelWindowOS2::Show(
         ::WinQueryWindowPos(m_hWnd, &m_vSwpClient);
         ::WinSendMsg(m_hFrame, WM_UPDATEFRAME, (MPARAM)~0, 0);
         ::WinEnableWindow(m_hFrame, TRUE);
+
+        //
+        // Deal with children
+        //
+        MoveChildren(m_vSwpClient.cy - vSwp.cy);
+
+
+        //
+        // Need to handle the case of a single child that not a control
+        // as this is probably a panel with its own children
+        //
+        if (GetChildren().GetCount() > 0)
+        {
+            for (wxWindowList::Node* pNode = GetChildren().GetFirst();
+                 pNode;
+                 pNode = pNode->GetNext())
+            {
+                wxWindow*                   pChild = pNode->GetData();
+
+                if ( GetChildren().GetCount() == 1 &&
+                    !pChild->IsKindOf(CLASSINFO(wxControl))
+                   )
+                    pChild->MoveChildren(m_vSwpClient.cy - vSwp.cy);
+                pChild->Refresh();
+                pChild = NULL;
+            }
+        }
+
         vEvent.SetEventObject(this);
         GetEventHandler()->ProcessEvent(vEvent);
     }
@@ -701,6 +707,21 @@ void wxTopLevelWindowOS2::Restore()
     DoShowWindow(SWP_RESTORE);
 } // end of wxTopLevelWindowOS2::Restore
 
+// generate an artificial resize event
+void wxTopLevelWindowOS2::SendSizeEvent()
+{
+    if (!m_bIconized)
+    {
+        RECTL                       vRect = wxGetWindowRect(GetHwnd());
+
+        (void)::WinPostMsg( m_hFrame
+                           ,WM_SIZE
+                           ,MPFROM2SHORT(vRect.xRight - vRect.xLeft, vRect.yTop - vRect.yBottom)
+                           ,MPFROM2SHORT(vRect.xRight - vRect.xLeft, vRect.yTop - vRect.yBottom)
+                          );
+    }
+} // end of wxTopLevelWindowOS2::SendSizeEvent
+
 // ----------------------------------------------------------------------------
 // wxTopLevelWindowOS2 fullscreen
 // ----------------------------------------------------------------------------