129 lines
4.6 KiB
C++
129 lines
4.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/persist/toplevel.h
|
|
// Purpose: persistence support for wxTLW
|
|
// Author: Vadim Zeitlin
|
|
// Created: 2009-01-19
|
|
// 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_
|