don't crash if one of GetAllCommands() parameters is NULL (coverity checker CID 11)

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

diff --git a/src/common/layout.cpp b/src/common/layout.cpp
index 170ba303a034c12585f71851dd73b348dac9cc8d..5fbe0e19f6fb7901a1474273eae1d55143b58b11 100644 (file)
--- a/src/common/layout.cpp
+++ b/src/common/layout.cpp
@@ -17,10 +17,6 @@
 // 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"
 
@@ -48,6 +44,32 @@
     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
+    
+#if 0
+    // Vadim's change.  Breaks wxPython's LayoutAnchors
+    win->GetBestSize(w, h);
+#endif
+
+#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()
 {
     myEdge = wxTop;
@@ -56,14 +78,10 @@ wxIndividualLayoutConstraint::wxIndividualLayoutConstraint()
     value = 0;
     percent = 0;
     otherEdge = wxTop;
-    done = FALSE;
+    done = false;
     otherWin = (wxWindowBase *) NULL;
 }
 
-wxIndividualLayoutConstraint::~wxIndividualLayoutConstraint()
-{
-}
-
 void wxIndividualLayoutConstraint::Set(wxRelationship rel, wxWindowBase *otherW, wxEdge otherE, int val, int marg)
 {
     if (rel == wxSameAs)
@@ -145,10 +163,10 @@ bool wxIndividualLayoutConstraint::ResetIfWin(wxWindowBase *otherW)
         percent = 0;
         otherEdge = wxTop;
         otherWin = (wxWindowBase *) NULL;
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 // Try to satisfy constraint
@@ -156,8 +174,8 @@ bool wxIndividualLayoutConstraint::SatisfyConstraint(wxLayoutConstraints *constr
 {
     if (relationship == wxAbsolute)
     {
-        done = TRUE;
-        return TRUE;
+        done = true;
+        return true;
     }
 
     switch (myEdge)
@@ -175,11 +193,11 @@ 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 +205,11 @@ 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 +217,11 @@ 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 +231,24 @@ 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 +268,11 @@ 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 +280,11 @@ 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 +292,11 @@ 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 +306,27 @@ 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 +346,11 @@ 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 +358,11 @@ 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 +370,11 @@ 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 +384,24 @@ 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 +421,11 @@ 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 +433,11 @@ 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 +445,11 @@ 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 +459,27 @@ 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 +499,11 @@ 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 +511,11 @@ 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 +523,11 @@ 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 +537,17 @@ 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 +567,11 @@ 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 +579,11 @@ 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 +591,11 @@ 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 +605,17 @@ 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 +632,22 @@ 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 +657,23 @@ 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 +690,22 @@ 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 +715,23 @@ 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 +741,7 @@ 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 +978,47 @@ 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 ++;