#if wxUSE_CONSTRAINTS
#include "wx/layout.h"
- #include "wx/sizer.h"
#endif // wxUSE_CONSTRAINTS
+#include "wx/sizer.h"
+
#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#endif // wxUSE_DRAG_AND_DROP
// no constraints whatsoever
m_constraints = (wxLayoutConstraints *) NULL;
m_constraintsInvolvedIn = (wxWindowList *) NULL;
+#endif // wxUSE_CONSTRAINTS
+
m_windowSizer = (wxSizer *) NULL;
+ m_containingSizer = (wxSizer *) NULL;
m_autoLayout = FALSE;
-#endif // wxUSE_CONSTRAINTS
#if wxUSE_DRAG_AND_DROP
m_dropTarget = (wxDropTarget *)NULL;
m_hasCustomPalette = FALSE;
#endif // wxUSE_PALETTE
+ m_virtualSize = wxDefaultSize;
+
+ m_minVirtualWidth =
+ m_minVirtualHeight =
+ m_maxVirtualWidth =
+ m_maxVirtualHeight = -1;
+
// Whether we're using the current theme for this window (wxGTK only for now)
m_themeEnabled = FALSE;
}
m_constraints = NULL;
}
+#endif // wxUSE_CONSTRAINTS
+
+ if ( m_containingSizer )
+ m_containingSizer->Remove((wxWindow*)this);
+
if ( m_windowSizer )
delete m_windowSizer;
-#endif // wxUSE_CONSTRAINTS
-
#if wxUSE_DRAG_AND_DROP
if ( m_dropTarget )
delete m_dropTarget;
}
}
+ // there is no wxTopLevelWindow under wxMotif yet
+#ifndef __WXMOTIF__
+ // we shouldn't center the dialog on the iconized window: under
+ // Windows, for example, this places it completely off the screen
+ if ( parent )
+ {
+ wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
+ if ( winTop && winTop->IsIconized() )
+ {
+ parent = NULL;
+ }
+ }
+#endif // __WXMOTIF__
+
// did we find the parent?
if ( !parent )
{
wxRect rect = wxGetClientDisplayRect();
wxSize size (rect.width,rect.height);
- if (posParent.x >= 0) // if parent is on the main display
+ // NB: in wxMSW, negative position may not neccessary mean "out of screen",
+ // but it may mean that the window is placed on other than the main
+ // display. Therefore we only make sure centered window is on the main display
+ // if the parent is at least partially present here.
+ if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display
{
if (xNew < 0)
xNew = 0;
else if (xNew+width > size.x)
xNew = size.x-width-1;
}
- if (posParent.y >= 0) // if parent is on the main display
+ if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display
{
if (yNew+height > size.y)
yNew = size.y-height-1;
{
if ( GetChildren().GetCount() > 0 )
{
- wxSize size = DoGetBestSize();
-
- // for compatibility with the old versions and because it really looks
- // slightly more pretty like this, add a pad
- size.x += 7;
- size.y += 14;
-
- SetClientSize(size);
+ SetClientSize(DoGetBestSize());
}
//else: do nothing if we have no children
}
// return the size best suited for the current window
wxSize wxWindowBase::DoGetBestSize() const
{
- if ( GetChildren().GetCount() > 0 )
+ if ( m_windowSizer )
+ {
+ return m_windowSizer->GetMinSize();
+ }
+#if wxUSE_CONSTRAINTS
+ else if ( m_constraints )
+ {
+ wxConstCast(this, wxWindowBase)->SatisfyConstraints();
+
+ // our minimal acceptable size is such that all our windows fit inside
+ int maxX = 0,
+ maxY = 0;
+
+ for ( wxWindowList::Node *node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxLayoutConstraints *c = node->GetData()->GetConstraints();
+ if ( !c )
+ {
+ // it's not normal that we have an unconstrained child, but
+ // what can we do about it?
+ continue;
+ }
+
+ int x = c->right.GetValue(),
+ y = c->bottom.GetValue();
+
+ if ( x > maxX )
+ maxX = x;
+
+ if ( y > maxY )
+ maxY = y;
+
+ // TODO: we must calculate the overlaps somehow, otherwise we
+ // will never return a size bigger than the current one :-(
+ }
+
+ return wxSize(maxX, maxY);
+ }
+#endif // wxUSE_CONSTRAINTS
+ else if ( GetChildren().GetCount() > 0 )
{
// our minimal acceptable size is such that all our windows fit inside
int maxX = 0,
maxY = wy + wh;
}
+ // for compatibility with the old versions and because it really looks
+ // slightly more pretty like this, add a pad
+ maxX += 7;
+ maxY += 14;
+
return wxSize(maxX, maxY);
}
else
m_maxHeight = maxH;
}
+void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
+ int maxW, int maxH )
+{
+ m_minVirtualWidth = minW;
+ m_maxVirtualWidth = maxW;
+ m_minVirtualHeight = minH;
+ m_maxVirtualHeight = maxH;
+
+ SetVirtualSize( GetClientSize() );
+}
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
+ if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x )
+ x = m_minVirtualWidth;
+ if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )
+ x = m_maxVirtualWidth;
+ if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y )
+ y = m_minVirtualHeight;
+ if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y )
+ y = m_maxVirtualHeight;
+
+ m_virtualSize = wxSize(x, y);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ wxSize s( GetClientSize() );
+
+ if( m_virtualSize.GetWidth() != -1 )
+ s.SetWidth( m_virtualSize.GetWidth() );
+ if( m_virtualSize.GetHeight() != -1 )
+ s.SetHeight( m_virtualSize.GetHeight() );
+
+ return s;
+}
+
// ----------------------------------------------------------------------------
// show/hide/enable/disable the window
// ----------------------------------------------------------------------------
void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
{
handler->SetNextHandler(GetEventHandler());
+ GetEventHandler()->SetPreviousHandler(handler);
SetEventHandler(handler);
}
{
wxEvtHandler *handlerB = handlerA->GetNextHandler();
handlerA->SetNextHandler((wxEvtHandler *)NULL);
+ handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
SetEventHandler(handlerB);
if ( deleteHandler )
{
SetEventHandler(handlerNext);
}
+ if ( handlerNext )
+ {
+ handlerNext->SetPreviousHandler ( handlerPrev );
+ }
handler->SetNextHandler(NULL);
return TRUE;
}
// ----------------------------------------------------------------------------
-// find window by id or name
+// find child window by id or name
// ----------------------------------------------------------------------------
wxWindow *wxWindowBase::FindWindow( long id )
return (wxWindow *)res;
}
+
+// find any window by id or name or label: If parent is non-NULL, look through
+// children for a label or title matching the specified string. If NULL, look
+// through all top-level windows.
+//
+// to avoid duplicating code we reuse the same helper function but with
+// different comparators
+
+typedef bool (*wxFindWindowCmp)(const wxWindow *win,
+ const wxString& label, long id);
+
+static
+bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetLabel() == label;
+}
+
+static
+bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetName() == label;
+}
+
+static
+bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
+ long id)
+{
+ return win->GetId() == id;
+}
+
+// recursive helper for the FindWindowByXXX() functions
+static
+wxWindow *wxFindWindowRecursively(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // see if this is the one we're looking for
+ if ( (*cmp)(parent, label, id) )
+ return (wxWindow *)parent;
+
+ // It wasn't, so check all its children
+ for ( wxWindowList::Node * node = parent->GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each child
+ wxWindow *win = (wxWindow *)node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+ }
+
+ // Not found
+ return NULL;
+}
+
+// helper for FindWindowByXXX()
+static
+wxWindow *wxFindWindowHelper(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // just check parent and all its children
+ return wxFindWindowRecursively(parent, label, id, cmp);
+ }
+
+ // start at very top of wx's windows
+ for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each window & its children
+ wxWindow *win = node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+
+ return NULL;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
+{
+ return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
+{
+ wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
+
+ if ( !win )
+ {
+ // fall back to the label
+ win = FindWindowByLabel(title, parent);
+ }
+
+ return win;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowById( long id, const wxWindow* parent )
+{
+ return wxFindWindowHelper(parent, _T(""), id, wxFindWindowCmpIds);
+}
+
// ----------------------------------------------------------------------------
// dialog oriented functions
// ----------------------------------------------------------------------------
}
}
-void wxWindowBase::SetSizer(wxSizer *sizer)
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
{
- if (m_windowSizer) delete m_windowSizer;
+ if ( deleteOld )
+ delete m_windowSizer;
m_windowSizer = sizer;
+
+ SetAutoLayout( sizer != NULL );
+}
+
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+ SetSizer( sizer, deleteOld );
+ sizer->SetSizeHints( (wxWindow*) this );
}
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SatisfyConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ bool wasOk = constr && constr->AreSatisfied();
+
+ ResetConstraints(); // Mark all constraints as unevaluated
+
+ int noChanges = 1;
+
+ // if we're a top level panel (i.e. our parent is frame/dialog), our
+ // own constraints will never be satisfied any more unless we do it
+ // here
+ if ( wasOk )
+ {
+ while ( noChanges > 0 )
+ {
+ LayoutPhase1(&noChanges);
+ }
+ }
+
+ LayoutPhase2(&noChanges);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
bool wxWindowBase::Layout()
{
// If there is a sizer, use it instead of the constraints
if ( GetSizer() )
{
int w, h;
- GetClientSize(&w, &h);
-
+ GetVirtualSize(&w, &h);
GetSizer()->SetDimension( 0, 0, w, h );
-#if defined __WXPM__
- OS2Layout(w, h);
-#endif
}
+#if wxUSE_CONSTRAINTS
else
{
- wxLayoutConstraints *constr = GetConstraints();
- bool wasOk = constr && constr->AreSatisfied();
-
- ResetConstraints(); // Mark all constraints as unevaluated
-
- // if we're a top level panel (i.e. our parent is frame/dialog), our
- // own constraints will never be satisfied any more unless we do it
- // here
- if ( wasOk )
- {
- int noChanges = 1;
- while ( noChanges > 0 )
- {
- constr->SatisfyConstraints(this, &noChanges);
- }
- }
-
- DoPhase(1); // Layout children
- DoPhase(2); // Layout grand children
+ SatisfyConstraints(); // Find the right constraints values
SetConstraintSizes(); // Recursively set the real window sizes
}
+#endif
return TRUE;
}
+#if wxUSE_CONSTRAINTS
-// 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.
+// first phase of the constraints evaluation: set our own constraints
bool wxWindowBase::LayoutPhase1(int *noChanges)
{
wxLayoutConstraints *constr = GetConstraints();
- if ( constr )
- {
- return constr->SatisfyConstraints(this, noChanges);
- }
- else
- return TRUE;
+
+ return !constr || constr->SatisfyConstraints(this, noChanges);
}
+// second phase: set the constraints for our children
bool wxWindowBase::LayoutPhase2(int *noChanges)
{
*noChanges = 0;
// Layout children
DoPhase(1);
+
+ // Layout grand children
DoPhase(2);
+
return TRUE;
}
// Do a phase of evaluating child constraints
bool wxWindowBase::DoPhase(int phase)
{
- int noIterations = 0;
- int maxIterations = 500;
- int noChanges = 1;
- int noFailures = 0;
+ // the list containing the children for which the constraints are already
+ // set correctly
wxWindowList succeeded;
- while ((noChanges > 0) && (noIterations < maxIterations))
+
+ // the max number of iterations we loop before concluding that we can't set
+ // the constraints
+ static const int maxIterations = 500;
+
+ for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
{
- noChanges = 0;
- noFailures = 0;
- wxWindowList::Node *node = GetChildren().GetFirst();
- while (node)
+ int noChanges = 0;
+
+ // loop over all children setting their constraints
+ for ( wxWindowList::Node *node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
{
wxWindow *child = node->GetData();
- if ( !child->IsTopLevel() )
+ if ( child->IsTopLevel() )
{
- wxLayoutConstraints *constr = child->GetConstraints();
- if ( constr )
- {
- if ( !succeeded.Find(child) )
- {
- int tempNoChanges = 0;
- bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ;
- noChanges += tempNoChanges;
- if ( success )
- {
- succeeded.Append(child);
- }
- }
- }
+ // top level children are not inside our client area
+ continue;
+ }
+
+ if ( !child->GetConstraints() || succeeded.Find(child) )
+ {
+ // this one is either already ok or nothing we can do about it
+ continue;
+ }
+
+ int tempNoChanges = 0;
+ bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
+ : child->LayoutPhase2(&tempNoChanges);
+ noChanges += tempNoChanges;
+
+ if ( success )
+ {
+ succeeded.Append(child);
}
- node = node->GetNext();
}
- noIterations++;
+ if ( !noChanges )
+ {
+ // constraints are set
+ break;
+ }
}
return TRUE;
GetClientSize(w, h);
}
-void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
+void wxWindowBase::GetPositionConstraint(int *x, int *y) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *x = constr->left.GetValue();
+ *y = constr->top.GetValue();
+ }
+ else
+ GetPosition(x, y);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
{
// don't do it for the dialogs/frames - they float independently of their
// parent
}
}
-
-void wxWindowBase::GetPositionConstraint(int *x, int *y) const
-{
- wxLayoutConstraints *constr = GetConstraints();
- if ( constr )
- {
- *x = constr->left.GetValue();
- *y = constr->top.GetValue();
- }
- else
- GetPosition(x, y);
-}
-
-#endif // wxUSE_CONSTRAINTS
-
// ----------------------------------------------------------------------------
// do Update UI processing for child controls
// ----------------------------------------------------------------------------
void wxWindowBase::CaptureMouse()
{
- wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this);
+ wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
wxWindow *winOld = GetCapture();
if ( winOld )
{
+ ((wxWindowBase*) winOld)->DoReleaseMouse();
+
// save it on stack
wxWindowNext *item = new wxWindowNext;
item->win = winOld;
void wxWindowBase::ReleaseMouse()
{
- wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this);
+ wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
- wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") )
+ wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
DoReleaseMouse();
if ( ms_winCaptureNext )
{
- ms_winCaptureNext->win->CaptureMouse();
-
+ ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+
wxWindowNext *item = ms_winCaptureNext;
ms_winCaptureNext = item->next;
delete item;
//else: stack is empty, no previous capture
wxLogTrace(_T("mousecapture"),
- _T("After ReleaseMouse() mouse is captured by 0x%08x"),
+ _T("After ReleaseMouse() mouse is captured by %p"),
GetCapture());
}
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+ while ( win && !win->IsTopLevel() )
+ win = win->GetParent();
+
+ return win;
+}
+
+// vi:sts=4:sw=4:et
projects / wxWidgets.git / blobdiff