kicad/include/gal/gal_display_options.h

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017-2021 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 GAL_DISPLAY_OPTIONS_H__
#define GAL_DISPLAY_OPTIONS_H__
#include <gal/dpi_scaling.h>
#include <observable.h>
class COMMON_SETTINGS;
struct WINDOW_SETTINGS;
class wxString;
class wxWindow;
namespace KIGFX
{
/**
* GRID_STYLE: Type definition of the grid style
*/
enum class GRID_STYLE
{
DOTS, ///< Use dots for the grid
LINES, ///< Use lines for the grid
SMALL_CROSS ///< Use small cross instead of dots for the grid
};
enum class OPENGL_ANTIALIASING_MODE
{
NONE,
SMAA,
SUPERSAMPLING,
};
enum class CAIRO_ANTIALIASING_MODE
{
NONE,
FAST,
GOOD,
};
enum class GRID_SNAPPING
{
ALWAYS,
WITH_GRID,
NEVER
};
class GAL_DISPLAY_OPTIONS;
class GAL_DISPLAY_OPTIONS_OBSERVER
{
public:
virtual void OnGalDisplayOptionsChanged( const GAL_DISPLAY_OPTIONS& ) = 0;
protected:
// Observer lifetimes aren't handled by base class pointer
virtual ~GAL_DISPLAY_OPTIONS_OBSERVER() {}
};
class GAL_DISPLAY_OPTIONS : public UTIL::OBSERVABLE<GAL_DISPLAY_OPTIONS_OBSERVER>
{
public:
GAL_DISPLAY_OPTIONS();
/**
* Read GAL config options from application-level config
* @param aCfg the window settings to load from
*/
void ReadWindowSettings( WINDOW_SETTINGS& aCfg );
/**
* Read GAL config options from the common config store
* @param aCommonSettings the common config store
* @param aWindow the wx parent window (used for DPI scaling)
*/
void ReadCommonConfig( COMMON_SETTINGS& aCommonSettings, wxWindow* aWindow );
/**
* Read application and common configs
* @param aCommonConfig the common config store
* @param aCfg the application config base
* @param aBaseName the application's GAL options key prefix
* @param aWindow the wx parent window (used for DPI scaling)
*/
void ReadConfig( COMMON_SETTINGS& aCommonConfig, WINDOW_SETTINGS& aWindowConfig,
wxWindow* aWindow );
void WriteConfig( WINDOW_SETTINGS& aCfg );
void UpdateScaleFactor();
void NotifyChanged();
OPENGL_ANTIALIASING_MODE gl_antialiasing_mode;
CAIRO_ANTIALIASING_MODE cairo_antialiasing_mode;
DPI_SCALING m_dpi;
///< The grid style to draw the grid in
KIGFX::GRID_STYLE m_gridStyle;
///< Snapping options for the grid
GRID_SNAPPING m_gridSnapping;
///< Thickness to render grid lines/dots
double m_gridLineWidth;
///< Minimum pixel distance between displayed grid lines
double m_gridMinSpacing;
///< Whether or not to draw the coordinate system axes
bool m_axesEnabled;
///< Fullscreen crosshair or small cross
bool m_fullscreenCursor;
///< Force cursor display
bool m_forceDisplayCursor;
///< The pixel scale factor (>1 for hi-DPI scaled displays)
double m_scaleFactor;
};
}
#endif