kicad/include/dialog_shim.h

188 lines
6.1 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012-2018 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef DIALOG_SHIM_
#define DIALOG_SHIM_
#include <wx/dialog.h>
#include <hashtables.h>
#include <kiway_player.h>
struct WINDOW_THAWER
{
WINDOW_THAWER( wxWindow* aWindow )
{
m_window = aWindow;
m_freezeCount = 0;
while( m_window->IsFrozen() )
{
m_window->Thaw();
m_freezeCount++;
}
}
~WINDOW_THAWER()
{
while( m_freezeCount > 0 )
{
m_window->Freeze();
m_freezeCount--;
}
}
protected:
wxWindow* m_window;
int m_freezeCount;
};
class WDO_ENABLE_DISABLE;
class WX_EVENT_LOOP;
// These macros are for DIALOG_SHIM only, NOT for KIWAY_PLAYER. KIWAY_PLAYER
// has its own support for quasi modal and its platform specific issues are different
// than for a wxDialog.
#define SHOWQUASIMODAL ShowQuasiModal
#define ENDQUASIMODAL EndQuasiModal
/**
* Class DIALOG_SHIM
* may sit in the inheritance tree between wxDialog and any class written by
* wxFormBuilder. To put it there, use wxFormBuilder tool and set:
* <br> subclass name = DIALOG_SHIM
* <br> subclass header = dialog_shim.h
* <br>
* in the dialog window's properties.
**/
class DIALOG_SHIM : public wxDialog, public KIWAY_HOLDER
{
/**
* Function OnCloseWindow
*
* properly handles the wxCloseEvent when in the quasimodal mode when not calling
* EndQuasiModal which is possible with any dialog derived from #DIALOG_SHIM.
*/
void OnCloseWindow( wxCloseEvent& aEvent );
/**
* Function OnCloseWindow
*
* properly handles the default button events when in the quasimodal mode when not
* calling EndQuasiModal which is possible with any dialog derived from #DIALOG_SHIM.
*/
void OnButton( wxCommandEvent& aEvent );
public:
DIALOG_SHIM( wxWindow* aParent, wxWindowID id, const wxString& title,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER,
const wxString& name = wxDialogNameStr
);
~DIALOG_SHIM();
/**
* Sets the window (usually a wxTextCtrl) that should be focused when the dialog is
* shown.
*/
void SetInitialFocus( wxWindow* aWindow )
{
m_initialFocusTarget = aWindow;
}
int ShowQuasiModal(); // disable only the parent window, otherwise modal.
void EndQuasiModal( int retCode ); // End quasi-modal mode
bool IsQuasiModal() { return m_qmodal_showing; }
bool Show( bool show ) override;
bool Enable( bool enable ) override;
void OnPaint( wxPaintEvent &event );
EDA_UNITS_T GetUserUnits() const override { return m_units; }
protected:
/**
* In all dialogs, we must call the same functions to fix minimal
* dlg size, the default position and perhaps some others to fix a few issues
* depending on Windows Managers
* this helper function does these calls.
*
* FinishDialogSettings must be called from derived classes,
* when all widgets are initialized, and therefore their size fixed.
* If TransferDataToWindow() is used to initialize widgets, at end of TransferDataToWindow,
* or better at end of a wxInitDialogEvent handler
*
* In any case, the best way is to call it in a wxInitDialogEvent handler
* after calling TransfertDataToWindow(), which is the default
* wxInitDialogEvent handler wxDialog
*/
void FinishDialogSettings();
/**
* Set the dialog to the given dimensions in "dialog units". These are units equivalent
* to 4* the average character width and 8* the average character height, allowing a dialog
* to be sized in a way that scales it with the system font.
*/
void SetSizeInDU( int x, int y );
/**
* Convert an integer number of dialog units to pixels, horizontally. See SetSizeInDU or
* wxDialog documentation for more information.
*/
int HorizPixelsFromDU( int x );
/**
* Convert an integer number of dialog units to pixels, vertically. See SetSizeInDU or
* wxDialog documentation for more information.
*/
int VertPixelsFromDU( int y );
EDA_UNITS_T m_units; // userUnits for display and parsing
std::string m_hash_key; // alternate for class_map when classname re-used
// On MacOS (at least) SetFocus() calls made in the constructor will fail because a
// window that isn't yet visible will return false to AcceptsFocus(). So we must delay
// the initial-focus SetFocus() call to the first paint event.
bool m_firstPaintEvent;
wxWindow* m_initialFocusTarget;
// variables for quasi-modal behavior support, only used by a few derivatives.
WX_EVENT_LOOP* m_qmodal_loop; // points to nested event_loop, NULL means not qmodal and dismissed
bool m_qmodal_showing;
WDO_ENABLE_DISABLE* m_qmodal_parent_disabler;
};
#endif // DIALOG_SHIM_