- Refresh();
- return;
- }
- int s_x = 0;
- int s_y = 0;
- if (dx < 0) s_x = -dx;
- if (dy < 0) s_y = -dy;
- int d_x = 0;
- int d_y = 0;
- if (dx > 0) d_x = dx;
- if (dy > 0) d_y = dy;
- gdk_window_copy_area( m_wxwindow->window, m_wxwindow->style->fg_gc[0], d_x, d_y,
- m_wxwindow->window, s_x, s_y, w, h );
-
- wxRect rect;
- if (dx < 0) rect.x = cw+dx; else rect.x = 0;
- if (dy < 0) rect.y = ch+dy; else rect.y = 0;
- if (dy != 0) rect.width = cw; else rect.width = abs(dx);
- if (dx != 0) rect.height = ch; else rect.height = abs(dy);
-
- Refresh( TRUE, &rect );
-}
-
-//-------------------------------------------------------------------------------------
-// Layout
-//-------------------------------------------------------------------------------------
-
-wxLayoutConstraints *wxWindow::GetConstraints() const
-{
- return m_constraints;
-}
-
-void wxWindow::SetConstraints( wxLayoutConstraints *constraints )
-{
- if (m_constraints)
- {
- UnsetConstraints(m_constraints);
- delete m_constraints;
- }
- m_constraints = constraints;
- if (m_constraints)
- {
- // Make sure other windows know they're part of a 'meaningful relationship'
- if (m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this))
- m_constraints->left.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this))
- m_constraints->top.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this))
- m_constraints->right.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this))
- m_constraints->bottom.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this))
- m_constraints->width.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this))
- m_constraints->height.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this))
- m_constraints->centreX.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- if (m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this))
- m_constraints->centreY.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
- }
-;
-}
-;
-
-void wxWindow::SetAutoLayout( bool autoLayout )
-{
- m_autoLayout = autoLayout;
-}
-
-bool wxWindow::GetAutoLayout() const
-{
- return m_autoLayout;
-}
-
-wxSizer *wxWindow::GetSizer() const
-{
- return m_windowSizer;
-}
-
-void wxWindow::SetSizerParent( wxWindow *win )
-{
- m_sizerParent = win;
-}
-
-wxWindow *wxWindow::GetSizerParent() const
-{
- return m_sizerParent;
-}
-
-// This removes any dangling pointers to this window
-// in other windows' constraintsInvolvedIn lists.
-void wxWindow::UnsetConstraints(wxLayoutConstraints *c)
-{
- if (c)
- {
- if (c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this))
- c->left.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this))
- c->top.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this))
- c->right.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this))
- c->bottom.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this))
- c->width.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this))
- c->height.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this))
- c->centreX.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- if (c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this))
- c->centreY.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
- }
-}
-
-// Back-pointer to other windows we're involved with, so if we delete
-// this window, we must delete any constraints we're involved with.
-void wxWindow::AddConstraintReference(wxWindow *otherWin)
-{
- if (!m_constraintsInvolvedIn)
- m_constraintsInvolvedIn = new wxList;
- if (!m_constraintsInvolvedIn->Member(otherWin))
- m_constraintsInvolvedIn->Append(otherWin);
-}
-
-// REMOVE back-pointer to other windows we're involved with.
-void wxWindow::RemoveConstraintReference(wxWindow *otherWin)
-{
- if (m_constraintsInvolvedIn)
- m_constraintsInvolvedIn->DeleteObject(otherWin);
-}
-
-// Reset any constraints that mention this window
-void wxWindow::DeleteRelatedConstraints()
-{
- if (m_constraintsInvolvedIn)
- {
- wxNode *node = m_constraintsInvolvedIn->First();
- while (node)
- {
- wxWindow *win = (wxWindow *)node->Data();
- wxNode *next = node->Next();
- wxLayoutConstraints *constr = win->GetConstraints();
-
- // 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 = (wxList *) 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);
projects / wxWidgets.git / blobdiff