/////////////////////////////////////////////////////////////////////////////
-// Name: common/toplvcmn.cpp
+// Name: src/common/toplvcmn.cpp
// Purpose: common (for all platforms) wxTopLevelWindow functions
// Author: Julian Smart, Vadim Zeitlin
// Created: 01/02/97
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "toplevelbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/app.h"
#endif // WX_PRECOMP
+#include "wx/display.h"
+
// ----------------------------------------------------------------------------
// event table
// ----------------------------------------------------------------------------
// implementation
// ============================================================================
-IMPLEMENT_DYNAMIC_CLASS(wxTopLevelWindow, wxWindow)
+IMPLEMENT_ABSTRACT_CLASS(wxTopLevelWindow, wxWindow)
// ----------------------------------------------------------------------------
// construction/destruction
bool shouldExit = IsLastBeforeExit();
wxTopLevelWindows.DeleteObject(this);
-
+
if ( shouldExit )
{
// then do it
// not be done if this TLW is the
// only one left since we then would
// risk not to get any idle events
- // at all anymore during which we
+ // at all anymore during which we
// could delete any pending events.
Hide();
}
- return TRUE;
+ return true;
}
bool wxTopLevelWindowBase::IsLastBeforeExit() const
// wxTopLevelWindow geometry
// ----------------------------------------------------------------------------
+void wxTopLevelWindowBase::GetRectForTopLevelChildren(int *x, int *y, int *w, int *h)
+{
+ GetPosition(x,y);
+ GetSize(w,h);
+}
+
wxSize wxTopLevelWindowBase::GetMaxSize() const
{
wxSize size( GetMaxWidth(), GetMaxHeight() );
wxClientDisplayRect( 0, 0, &w, &h );
- if( size.GetWidth() == -1 )
+ if( size.GetWidth() == wxDefaultCoord )
size.SetWidth( w );
- if( size.GetHeight() == -1 )
+ if( size.GetHeight() == wxDefaultCoord )
size.SetHeight( h );
return size;
return size;
}
+void wxTopLevelWindowBase::DoCentre(int dir)
+{
+ // we need the display rect anyhow so store it first
+ int nDisplay = wxDisplay::GetFromWindow(this);
+ wxDisplay dpy(nDisplay == wxNOT_FOUND ? 0 : nDisplay);
+ const wxRect rectDisplay(dpy.GetClientArea());
+
+ // what should we centre this window on?
+ wxRect rectParent;
+ if ( !(dir & wxCENTRE_ON_SCREEN) && GetParent() )
+ {
+ // centre on parent window: notice that we need screen coordinates for
+ // positioning this TLW
+ rectParent = GetParent()->GetScreenRect();
+
+ // if the parent is entirely off screen (happens at least with MDI
+ // parent frame under Mac but could happen elsewhere too if the frame
+ // was hidden/moved away for some reason), don't use it as otherwise
+ // this window wouldn't be visible at all
+ if ( !rectDisplay.Inside(rectParent.GetTopLeft()) &&
+ !rectParent.Inside(rectParent.GetBottomRight()) )
+ {
+ // this is enough to make IsEmpty() test below pass
+ rectParent.width = 0;
+ }
+ }
+
+ if ( rectParent.IsEmpty() )
+ {
+ // we were explicitely asked to centre this window on the entire screen
+ // or if we have no parent anyhow and so can't centre on it
+ rectParent = rectDisplay;
+ }
+
+ // centering maximized window on screen is no-op
+ if((rectParent == rectDisplay) && IsMaximized())
+ return;
+
+ // the new window rect candidate
+ wxRect rect = GetRect().CentreIn(rectParent, dir);
+
+ // we don't want to place the window off screen if Centre() is called as
+ // this is (almost?) never wanted and it would be very difficult to prevent
+ // it from happening from the user code if we didn't check for it here
+ if ( rectDisplay.Inside(rect.GetTopLeft()) )
+ {
+ if ( !rectDisplay.Inside(rect.GetBottomRight()) )
+ {
+ // check if we can move the window so that the bottom right corner
+ // is visible without hiding the top left one
+ int dx = rectDisplay.GetRight() - rect.GetRight();
+ int dy = rectDisplay.GetBottom() - rect.GetBottom();
+ rect.Offset(dx, dy);
+ }
+ //else: the window top left and bottom right corner are both visible,
+ // although the window might still be not entirely on screen (with
+ // 2 staggered displays for example) we wouldn't be able to
+ // improve the layout much in such case, so just leave it as is
+ }
+ else // make top left corner visible
+ {
+ if ( rect.x < rectDisplay.x )
+ rect.x = rectDisplay.x;
+
+ if ( rect.y < rectDisplay.y )
+ rect.y = rectDisplay.y;
+ }
+
+ // -1 could be valid coordinate here if there are several displays
+ SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
+}
+
// ----------------------------------------------------------------------------
// wxTopLevelWindow size management: we exclude the areas taken by
// menu/status/toolbars from the client area, so the client area is what's
// default resizing behaviour - if only ONE subwindow, resize to fill the
// whole client area
-void wxTopLevelWindowBase::OnSize(wxSizeEvent& WXUNUSED(event))
+void wxTopLevelWindowBase::DoLayout()
{
// if we're using constraints or sizers - do use them
if ( GetAutoLayout() )
// do the window-specific processing after processing the update event
void wxTopLevelWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
{
- if ( event.GetSetEnabled() )
- Enable(event.GetEnabled());
-
+ // call inherited, but skip the wxControl's version, and call directly the
+ // wxWindow's one instead, because the only reason why we are overriding this
+ // function is that we want to use SetTitle() instead of wxControl::SetLabel()
+ wxWindowBase::DoUpdateWindowUI(event);
+
+ // update title
if ( event.GetSetText() )
{
if ( event.GetText() != GetTitle() )
// it's probably better than do nothing, isn't it?
Raise();
}
-
projects / wxWidgets.git / blobdiff