- // Reset any constraints involving this window
- if (constr)
- {
- constr->left.ResetIfWin((wxWindow *)this);
- constr->top.ResetIfWin((wxWindow *)this);
- constr->right.ResetIfWin((wxWindow *)this);
- constr->bottom.ResetIfWin((wxWindow *)this);
- constr->width.ResetIfWin((wxWindow *)this);
- constr->height.ResetIfWin((wxWindow *)this);
- constr->centreX.ResetIfWin((wxWindow *)this);
- constr->centreY.ResetIfWin((wxWindow *)this);
- }
- delete node;
- node = next;
- }
- delete m_constraintsInvolvedIn;
- m_constraintsInvolvedIn = NULL;
- }
-}
-
-void wxWindow::SetSizer(wxSizer *sizer)
-{
- m_windowSizer = sizer;
- if (sizer)
- sizer->SetSizerParent((wxWindow *)this);
-}
-
-/*
- * New version
- */
-
-bool wxWindow::Layout()
-{
- if (GetConstraints())
- {
- int w, h;
- GetClientSize(&w, &h);
- GetConstraints()->width.SetValue(w);
- GetConstraints()->height.SetValue(h);
- }
-
- // If top level (one sizer), evaluate the sizer's constraints.
- if (GetSizer())
- {
- int noChanges;
- GetSizer()->ResetConstraints(); // Mark all constraints as unevaluated
- GetSizer()->LayoutPhase1(&noChanges);
- GetSizer()->LayoutPhase2(&noChanges);
- GetSizer()->SetConstraintSizes(); // Recursively set the real window sizes
- return TRUE;
- }
- else
- {
- // Otherwise, evaluate child constraints
- ResetConstraints(); // Mark all constraints as unevaluated
- DoPhase(1); // Just one phase need if no sizers involved
- DoPhase(2);
- SetConstraintSizes(); // Recursively set the real window sizes
- }
- return TRUE;
-}
-
-
-// Do a phase of evaluating constraints:
-// the default behaviour. wxSizers may do a similar
-// thing, but also impose their own 'constraints'
-// and order the evaluation differently.
-bool wxWindow::LayoutPhase1(int *noChanges)
-{
- wxLayoutConstraints *constr = GetConstraints();
- if (constr)
- {
- return constr->SatisfyConstraints((wxWindow *)this, noChanges);
- }
- else
- return TRUE;
-}
-
-bool wxWindow::LayoutPhase2(int *noChanges)
-{
- *noChanges = 0;
-
- // Layout children
- DoPhase(1);
- DoPhase(2);
- return TRUE;
-}
-
-// Do a phase of evaluating child constraints
-bool wxWindow::DoPhase(int phase)
-{
- int noIterations = 0;
- int maxIterations = 500;
- int noChanges = 1;
- int noFailures = 0;
- wxList succeeded;
- while ((noChanges > 0) && (noIterations < maxIterations))
- {
- noChanges = 0;
- noFailures = 0;
- wxNode *node = GetChildren()->First();
- while (node)
- {
- wxWindow *child = (wxWindow *)node->Data();
- if (!child->IsKindOf(CLASSINFO(wxFrame)) && !child->IsKindOf(CLASSINFO(wxDialog)))
- {
- wxLayoutConstraints *constr = child->GetConstraints();
- if (constr)
- {
- if (succeeded.Member(child))
- {
- }
- else
- {
- int tempNoChanges = 0;
- bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ;
- noChanges += tempNoChanges;
- if (success)
- {
- succeeded.Append(child);
- }
- }
- }
- }
- node = node->Next();
- }
- noIterations ++;
- }
- return TRUE;
-}
-
-void wxWindow::ResetConstraints()
-{
- wxLayoutConstraints *constr = GetConstraints();
- if (constr)
- {
- constr->left.SetDone(FALSE);
- constr->top.SetDone(FALSE);
- constr->right.SetDone(FALSE);
- constr->bottom.SetDone(FALSE);
- constr->width.SetDone(FALSE);
- constr->height.SetDone(FALSE);
- constr->centreX.SetDone(FALSE);
- constr->centreY.SetDone(FALSE);
- }
- wxNode *node = GetChildren()->First();
- while (node)
- {
- wxWindow *win = (wxWindow *)node->Data();
- if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)))
- win->ResetConstraints();
- node = node->Next();
- }
-}
-
-// Need to distinguish between setting the 'fake' size for
-// windows and sizers, and setting the real values.
-void wxWindow::SetConstraintSizes(bool recurse)
-{
- wxLayoutConstraints *constr = GetConstraints();
- if (constr && constr->left.GetDone() && constr->right.GetDone() &&
- constr->width.GetDone() && constr->height.GetDone())
- {
- int x = constr->left.GetValue();
- int y = constr->top.GetValue();
- int w = constr->width.GetValue();
- int h = constr->height.GetValue();
-
- // If we don't want to resize this window, just move it...
- if ((constr->width.GetRelationship() != wxAsIs) ||
- (constr->height.GetRelationship() != wxAsIs))
- {
- // Calls Layout() recursively. AAAGH. How can we stop that.
- // Simply take Layout() out of non-top level OnSizes.
- SizerSetSize(x, y, w, h);
- }
- else
- {
- SizerMove(x, y);
- }
- }
- else if (constr)
- {
- char *windowClass = this->GetClassInfo()->GetClassName();
-
- wxString winName;
- if (GetName() == "")
- winName = "unnamed";
- else
- winName = GetName();
- wxDebugMsg("Constraint(s) not satisfied for window of type %s, name %s:\n", (const char *)windowClass, (const char *)winName);
- if (!constr->left.GetDone())
- wxDebugMsg(" unsatisfied 'left' constraint.\n");
- if (!constr->right.GetDone())
- wxDebugMsg(" unsatisfied 'right' constraint.\n");
- if (!constr->width.GetDone())
- wxDebugMsg(" unsatisfied 'width' constraint.\n");
- if (!constr->height.GetDone())
- wxDebugMsg(" unsatisfied 'height' constraint.\n");
- wxDebugMsg("Please check constraints: try adding AsIs() constraints.\n");
- }
-
- if (recurse)
- {
- wxNode *node = GetChildren()->First();
- while (node)
projects / wxWidgets.git / blobdiff