dolphin/Externals/wxWidgets3/include/wx/persist/toplevel.h

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/persist/toplevel.h
// Purpose: persistence support for wxTLW
// Author: Vadim Zeitlin
// Created: 2009-01-19
// RCS-ID: $Id: toplevel.h 58529 2009-01-30 21:38:29Z VZ $
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PERSIST_TOPLEVEL_H_
#define _WX_PERSIST_TOPLEVEL_H_
#include "wx/persist/window.h"
#include "wx/toplevel.h"
#include "wx/display.h"
// ----------------------------------------------------------------------------
// string constants used by wxPersistentTLW
// ----------------------------------------------------------------------------
// we use just "Window" to keep configuration files and such short, there
// should be no confusion with wxWindow itself as we don't have persistent
// windows, just persistent controls which have their own specific kind strings
#define wxPERSIST_TLW_KIND "Window"
// names for various persistent options
#define wxPERSIST_TLW_X "x"
#define wxPERSIST_TLW_Y "y"
#define wxPERSIST_TLW_W "w"
#define wxPERSIST_TLW_H "h"
#define wxPERSIST_TLW_MAXIMIZED "Maximized"
#define wxPERSIST_TLW_ICONIZED "Iconized"
// ----------------------------------------------------------------------------
// wxPersistentTLW: supports saving/restoring window position and size as well
// as maximized/iconized/restore state
// ----------------------------------------------------------------------------
class wxPersistentTLW : public wxPersistentWindow<wxTopLevelWindow>
{
public:
wxPersistentTLW(wxTopLevelWindow *tlw)
: wxPersistentWindow<wxTopLevelWindow>(tlw)
{
}
virtual void Save() const
{
const wxTopLevelWindow * const tlw = Get();
const wxPoint pos = tlw->GetScreenPosition();
SaveValue(wxPERSIST_TLW_X, pos.x);
SaveValue(wxPERSIST_TLW_Y, pos.y);
// notice that we use GetSize() here and not GetClientSize() because
// the latter doesn't return correct results for the minimized windows
// (at least not under Windows)
//
// of course, it shouldn't matter anyhow usually, the client size
// should be preserved as well unless the size of the decorations
// changed between the runs
const wxSize size = tlw->GetSize();
SaveValue(wxPERSIST_TLW_W, size.x);
SaveValue(wxPERSIST_TLW_H, size.y);
SaveValue(wxPERSIST_TLW_MAXIMIZED, tlw->IsMaximized());
SaveValue(wxPERSIST_TLW_ICONIZED, tlw->IsIconized());
}
virtual bool Restore()
{
wxTopLevelWindow * const tlw = Get();
long x wxDUMMY_INITIALIZE(-1),
y wxDUMMY_INITIALIZE(-1),
w wxDUMMY_INITIALIZE(-1),
h wxDUMMY_INITIALIZE(-1);
const bool hasPos = RestoreValue(wxPERSIST_TLW_X, &x) &&
RestoreValue(wxPERSIST_TLW_Y, &y);
const bool hasSize = RestoreValue(wxPERSIST_TLW_W, &w) &&
RestoreValue(wxPERSIST_TLW_H, &h);
if ( hasPos )
{
// to avoid making the window completely invisible if it had been
// shown on a monitor which was disconnected since the last run
// (this is pretty common for notebook with external displays)
//
// NB: we should allow window position to be (slightly) off screen,
// it's not uncommon to position the window so that its upper
// left corner has slightly negative coordinate
if ( wxDisplay::GetFromPoint(wxPoint(x, y)) != wxNOT_FOUND ||
(hasSize && wxDisplay::GetFromPoint(
wxPoint(x + w, y + h)) != wxNOT_FOUND) )
{
tlw->Move(x, y, wxSIZE_ALLOW_MINUS_ONE);
}
//else: should we try to adjust position/size somehow?
}
if ( hasSize )
tlw->SetSize(w, h);
// note that the window can be both maximized and iconized
bool maximized;
if ( RestoreValue(wxPERSIST_TLW_MAXIMIZED, &maximized) && maximized )
tlw->Maximize();
bool iconized;
if ( RestoreValue(wxPERSIST_TLW_ICONIZED, &iconized) && iconized )
tlw->Iconize();
// the most important property of the window that we restore is its
// size, so disregard the value of hasPos here
return hasSize;
}
virtual wxString GetKind() const { return wxPERSIST_TLW_KIND; }
};
inline wxPersistentObject *wxCreatePersistentObject(wxTopLevelWindow *tlw)
{
return new wxPersistentTLW(tlw);
}
#endif // _WX_PERSIST_TOPLEVEL_H_