Implement and document wxDataViewTreeCtrl::IsContainer(), use it in the sample to...

[wxWidgets.git] / src / common / layout.cpp

diff --git a/src/common/layout.cpp b/src/common/layout.cpp
index 170ba303a034c12585f71851dd73b348dac9cc8d..d479f3476e8bc85e1e79a5e57511080417f840eb 100644 (file)
--- a/src/common/layout.cpp
+++ b/src/common/layout.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        layout.cpp
+// Name:        src/common/layout.cpp
 // Purpose:     Constraint layout system classes
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:       wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // =============================================================================
@@ -17,35 +17,53 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "layout.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_CONSTRAINTS
+
+#include "wx/layout.h"
+
 #ifndef WX_PRECOMP
-  #include "wx/defs.h"
+    #include "wx/window.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/msgdlg.h"
+    #include "wx/intl.h"
 #endif
 
-#if wxUSE_CONSTRAINTS
 
-#ifndef WX_PRECOMP
-  #include "wx/window.h"
-  #include "wx/utils.h"
-  #include "wx/dialog.h"
-  #include "wx/msgdlg.h"
-  #include "wx/intl.h"
+IMPLEMENT_DYNAMIC_CLASS(wxIndividualLayoutConstraint, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxLayoutConstraints, wxObject)
+
+
+inline void wxGetAsIs(wxWindowBase* win, int* w, int* h)
+{
+#if 1
+    // The old way.  Works for me.
+    win->GetSize(w, h);
 #endif
 
-#include "wx/layout.h"
+#if 0
+    // Vadim's change.  Breaks wxPython's LayoutAnchors
+    win->GetBestSize(w, h);
+#endif
 
-    IMPLEMENT_DYNAMIC_CLASS(wxIndividualLayoutConstraint, wxObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxLayoutConstraints, wxObject)
+#if 0
+    // Proposed compromise.  Doesn't work.
+    int sw, sh, bw, bh;
+    win->GetSize(&sw, &sh);
+    win->GetBestSize(&bw, &bh);
+    if (w)
+        *w = wxMax(sw, bw);
+    if (h)
+        *h = wxMax(sh, bh);
+#endif
+}
 
 
 wxIndividualLayoutConstraint::wxIndividualLayoutConstraint()
@@ -56,12 +74,8 @@ wxIndividualLayoutConstraint::wxIndividualLayoutConstraint()
     value = 0;
     percent = 0;
     otherEdge = wxTop;
-    done = FALSE;
-    otherWin = (wxWindowBase *) NULL;
-}
-
-wxIndividualLayoutConstraint::~wxIndividualLayoutConstraint()
-{
+    done = false;
+    otherWin = NULL;
 }
 
 void wxIndividualLayoutConstraint::Set(wxRelationship rel, wxWindowBase *otherW, wxEdge otherE, int val, int marg)
@@ -144,11 +158,11 @@ bool wxIndividualLayoutConstraint::ResetIfWin(wxWindowBase *otherW)
         value = 0;
         percent = 0;
         otherEdge = wxTop;
-        otherWin = (wxWindowBase *) NULL;
-        return TRUE;
+        otherWin = NULL;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 // Try to satisfy constraint
@@ -156,8 +170,8 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
 {
     if (relationship == wxAbsolute)
     {
-        done = TRUE;
-        return TRUE;
+        done = true;
+        return true;
     }
 
     switch (myEdge)
@@ -175,11 +189,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxRightOf:
                 {
@@ -187,11 +201,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -199,11 +213,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -213,24 +227,24 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->right.GetDone() && constraints->width.GetDone())
                     {
                         value = (constraints->right.GetValue() - constraints->width.GetValue() + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreX.GetDone() && constraints->width.GetDone())
                     {
                         value = (int)(constraints->centreX.GetValue() - (constraints->width.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     int y;
                     win->GetPosition(&value, &y);
-                    done = TRUE;
-                    return TRUE;
+                    done = true;
+                    return true;
                 }
                 default:
                     break;
@@ -250,11 +264,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxRightOf:
                 {
@@ -262,11 +276,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -274,11 +288,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -288,27 +302,27 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->left.GetDone() && constraints->width.GetDone())
                     {
                         value = (constraints->left.GetValue() + constraints->width.GetValue() - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreX.GetDone() && constraints->width.GetDone())
                     {
                         value = (int)(constraints->centreX.GetValue() + (constraints->width.GetValue()/2) - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     int x, y;
                     int w, h;
-                    win->GetSize(&w, &h);
+                    wxGetAsIs(win, &w, &h);
                     win->GetPosition(&x, &y);
                     value = x + w;
-                    done = TRUE;
-                    return TRUE;
+                    done = true;
+                    return true;
                 }
                 default:
                     break;
@@ -328,11 +342,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxBelow:
                 {
@@ -340,11 +354,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -352,11 +366,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -366,24 +380,24 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->bottom.GetDone() && constraints->height.GetDone())
                     {
                         value = (constraints->bottom.GetValue() - constraints->height.GetValue() + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreY.GetDone() && constraints->height.GetDone())
                     {
                         value = (constraints->centreY.GetValue() - (constraints->height.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     int x;
                     win->GetPosition(&x, &value);
-                    done = TRUE;
-                    return TRUE;
+                    done = true;
+                    return true;
                 }
                 default:
                     break;
@@ -403,11 +417,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxBelow:
                 {
@@ -415,11 +429,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -427,11 +441,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -441,27 +455,27 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->top.GetDone() && constraints->height.GetDone())
                     {
                         value = (constraints->top.GetValue() + constraints->height.GetValue() - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreY.GetDone() && constraints->height.GetDone())
                     {
                         value = (constraints->centreY.GetValue() + (constraints->height.GetValue()/2) - margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     int x, y;
                     int w, h;
-                    win->GetSize(&w, &h);
+                    wxGetAsIs(win, &w, &h);
                     win->GetPosition(&x, &y);
                     value = h + y;
-                    done = TRUE;
-                    return TRUE;
+                    done = true;
+                    return true;
                 }
                 default:
                     break;
@@ -481,11 +495,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxRightOf:
                 {
@@ -493,11 +507,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -505,11 +519,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -519,17 +533,17 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->left.GetDone() && constraints->width.GetDone())
                     {
                         value = (int)(constraints->left.GetValue() + (constraints->width.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->right.GetDone() && constraints->width.GetDone())
                     {
                         value = (int)(constraints->left.GetValue() - (constraints->width.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 default:
                     break;
@@ -549,11 +563,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos - margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxBelow:
                 {
@@ -561,11 +575,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = edgePos + margin;
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxPercentOf:
                 {
@@ -573,11 +587,11 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxUnconstrained:
                 {
@@ -587,17 +601,17 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->bottom.GetDone() && constraints->height.GetDone())
                     {
                         value = (int)(constraints->bottom.GetValue() - (constraints->height.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->top.GetDone() && constraints->height.GetDone())
                     {
                         value = (int)(constraints->top.GetValue() + (constraints->height.GetValue()/2) + margin);
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 default:
                     break;
@@ -614,22 +628,22 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     if (win)
                     {
                         int h;
-                        win->GetSize(&value, &h);
-                        done = TRUE;
-                        return TRUE;
+                        wxGetAsIs(win, &value, &h);
+                        done = true;
+                        return true;
                     }
-                    else return FALSE;
+                    else return false;
                 }
                 case wxUnconstrained:
                 {
@@ -639,23 +653,23 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->left.GetDone() && constraints->right.GetDone())
                     {
                         value = constraints->right.GetValue() - constraints->left.GetValue();
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreX.GetDone() && constraints->left.GetDone())
                     {
                         value = (int)(2*(constraints->centreX.GetValue() - constraints->left.GetValue()));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->centreX.GetDone() && constraints->right.GetDone())
                     {
                         value = (int)(2*(constraints->right.GetValue() - constraints->centreX.GetValue()));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 default:
                     break;
@@ -672,22 +686,22 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (edgePos != -1)
                     {
                         value = (int)(edgePos*(((float)percent)*0.01));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 case wxAsIs:
                 {
                     if (win)
                     {
                         int w;
-                        win->GetSize(&w, &value);
-                        done = TRUE;
-                        return TRUE;
+                        wxGetAsIs(win, &w, &value);
+                        done = true;
+                        return true;
                     }
-                    else return FALSE;
+                    else return false;
                 }
                 case wxUnconstrained:
                 {
@@ -697,23 +711,23 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
                     if (constraints->top.GetDone() && constraints->bottom.GetDone())
                     {
                         value = constraints->bottom.GetValue() - constraints->top.GetValue();
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->top.GetDone() && constraints->centreY.GetDone())
                     {
                         value = (int)(2*(constraints->centreY.GetValue() - constraints->top.GetValue()));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else if (constraints->bottom.GetDone() && constraints->centreY.GetDone())
                     {
                         value = (int)(2*(constraints->bottom.GetValue() - constraints->centreY.GetValue()));
-                        done = TRUE;
-                        return TRUE;
+                        done = true;
+                        return true;
                     }
                     else
-                        return FALSE;
+                        return false;
                 }
                 default:
                     break;
@@ -723,7 +737,7 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
         default:
             break;
     }
-    return FALSE;
+    return false;
 }
 
 // Get the value of this edge or dimension, or if this is not determinable, -1.
@@ -960,51 +974,47 @@ wxLayoutConstraints::wxLayoutConstraints()
     height.SetEdge(wxHeight);
 }
 
-wxLayoutConstraints::~wxLayoutConstraints()
-{
-}
-
 bool wxLayoutConstraints::SatisfyConstraints(wxWindowBase *win, int *nChanges)
 {
     int noChanges = 0;
 
     bool done = width.GetDone();
-    bool newDone = (done ? TRUE : width.SatisfyConstraint(this, win));
+    bool newDone = (done ? true : width.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = height.GetDone();
-    newDone = (done ? TRUE : height.SatisfyConstraint(this, win));
+    newDone = (done ? true : height.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = left.GetDone();
-    newDone = (done ? TRUE : left.SatisfyConstraint(this, win));
+    newDone = (done ? true : left.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = top.GetDone();
-    newDone = (done ? TRUE : top.SatisfyConstraint(this, win));
+    newDone = (done ? true : top.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = right.GetDone();
-    newDone = (done ? TRUE : right.SatisfyConstraint(this, win));
+    newDone = (done ? true : right.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = bottom.GetDone();
-    newDone = (done ? TRUE : bottom.SatisfyConstraint(this, win));
+    newDone = (done ? true : bottom.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = centreX.GetDone();
-    newDone = (done ? TRUE : centreX.SatisfyConstraint(this, win));
+    newDone = (done ? true : centreX.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;
 
     done = centreY.GetDone();
-    newDone = (done ? TRUE : centreY.SatisfyConstraint(this, win));
+    newDone = (done ? true : centreY.SatisfyConstraint(this, win));
     if (newDone != done)
         noChanges ++;