panel_common_settings.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018-2021 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
 */

#include <dialogs/panel_common_settings.h>

#include <advanced_config.h>
#include <bitmaps.h>
#include <dialog_shim.h>
#include <gal/dpi_scaling.h>
#include <kiface_base.h>
#include <pgm_base.h>
#include <id.h>
#include <settings/common_settings.h>
#include <settings/settings_manager.h>
#include <widgets/stepped_slider.h>
#include <wx/filedlg.h>

/*
 * What follows is a whole lot of ugly to handle various platform GUI deficiences with respect
 * to light/dark mode, DPI scaling, and other foibles.
 *
 * Ugly as it all is, it does improve our usability on various platforms.
 */

PANEL_COMMON_SETTINGS::PANEL_COMMON_SETTINGS( DIALOG_SHIM* aDialog, wxWindow* aParent )
 : PANEL_COMMON_SETTINGS_BASE( aParent ),
 m_dialog( aDialog ),
 m_iconScaleLabel( nullptr ),
 m_iconScaleSlider( nullptr ),
 m_iconScaleAuto( nullptr ),
 m_last_scale( -1 )
{
  /*
 * Cairo canvas doesn't work on Mac, so no need for fallback anti-aliasing options
 */
#ifdef __WXMAC__
 m_antialiasingFallback->Show( false );
 m_antialiasingFallbackLabel->Show( false );
#endif

 m_textEditorBtn->SetBitmap( KiBitmap( BITMAPS::small_folder ) );
 m_pdfViewerBtn->SetBitmap( KiBitmap( BITMAPS::small_folder ) );

 /*
 * Automatic dark mode detection works fine on Mac, so no need for the explicit options.
 */
#ifdef __WXMAC__
 m_stIconTheme->Show( false );
 m_rbIconThemeLight->Show( false );
 m_rbIconThemeDark->Show( false );
 m_rbIconThemeAuto->Show( false );
#endif

 /*
 * Automatic icon scaling works fine on Mac. It works mostly fine on MSW, but perhaps not
 * uniformly enough to exclude the explicit controls there.
 */
#if defined( __WXGTK__ ) || defined( __WXMSW__ )
 // Sadly wxSlider is poorly implemented and adds its legends as sibiling windows (so that
 // showing/hiding the control doesn't work). So we have to create it conditionally.
 wxWindow* parent = m_sbUserInterface->GetStaticBox();
 wxGridBagSizer* gb = m_gbUserInterface;

 m_iconScaleLabel = new wxStaticText( parent, wxID_ANY, _( "Icon scale:" ) );
 m_iconScaleLabel->Wrap( -1 );
 gb->Add( m_iconScaleLabel, wxGBPosition( 2, 0 ), wxGBSpan( 1, 1 ), wxALIGN_CENTER_VERTICAL, 5 );

 m_iconScaleSlider = new STEPPED_SLIDER( parent, wxID_ANY, 100, 50, 275, wxDefaultPosition,
 wxDefaultSize, wxSL_HORIZONTAL|wxSL_VALUE_LABEL );
 m_iconScaleSlider->SetStep( 25 );
 gb->Add( m_iconScaleSlider, wxGBPosition( 2, 1 ), wxGBSpan( 1, 2 ), wxEXPAND|wxBOTTOM, 5 );

 m_iconScaleAuto = new wxCheckBox( parent, wxID_ANY, _( "Automatic" ) );
 gb->Add( m_iconScaleAuto, wxGBPosition( 2, 3 ), wxGBSpan( 1, 1 ), wxALIGN_CENTER_VERTICAL|wxLEFT, 15 );
#endif

 /*
 * Automatic canvas scaling works fine on all supported platforms, so manual scaling is disabled
 */
 if( ADVANCED_CFG::GetCfg().m_AllowManualCanvasScale )
 {
 static constexpr int dpi_scaling_precision = 1;
 static constexpr double dpi_scaling_increment = 0.5;

 m_canvasScaleCtrl->SetRange( DPI_SCALING::GetMinScaleFactor(),
 DPI_SCALING::GetMaxScaleFactor() );
 m_canvasScaleCtrl->SetDigits( dpi_scaling_precision );
 m_canvasScaleCtrl->SetIncrement( dpi_scaling_increment );
 m_canvasScaleCtrl->SetValue( DPI_SCALING::GetDefaultScaleFactor() );

 m_canvasScaleCtrl->SetToolTip(
 _( "Set the scale for the canvas."
 "\n\n"
 "On high-DPI displays on some platforms, KiCad cannot determine the "
 "scaling factor. In this case you may need to set this to a value to "
 "match your system's DPI scaling. 2.0 is a common value. "
 "\n\n"
 "If this does not match the system DPI scaling, the canvas will "
 "not match the window size and cursor position." ) );

 m_canvasScaleAuto->SetToolTip(
 _( "Use an automatic value for the canvas scale."
 "\n\n"
 "On some platforms, the automatic value is incorrect and should be "
 "set manually." ) );
 }
 else
 {
 m_staticTextCanvasScale->Show( false );
 m_canvasScaleCtrl->Show( false );
 m_canvasScaleCtrl = nullptr;
 m_canvasScaleAuto->Show( false );
 }

 /*
 * Font scaling hacks are only needed on GTK under wxWidgets 3.0.
 */
#if defined( __WXGTK__ ) && !wxCHECK_VERSION( 3, 1, 0 )
 m_fontScalingHelp->SetFont( KIUI::GetInfoFont( this ).Italic() );
#else
 m_scaleFonts->Show( false );
 m_fontScalingHelp->Show( false );
#endif

 if( m_iconScaleSlider )
 {
 m_iconScaleSlider->Connect( wxEVT_SCROLL_TOP, 
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_BOTTOM, 
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_LINEUP, 
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_LINEDOWN,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_PAGEUP,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_PAGEDOWN,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_THUMBTRACK, 
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_THUMBRELEASE, 
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleSlider->Connect( wxEVT_SCROLL_CHANGED,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ), 
 nullptr, this );
 m_iconScaleAuto->Connect( wxEVT_COMMAND_CHECKBOX_CLICKED,
 wxCommandEventHandler( PANEL_COMMON_SETTINGS::OnIconScaleAuto ),
 nullptr, this );
 }

 if( m_canvasScaleCtrl )
 {
 m_canvasScaleCtrl->Connect( wxEVT_COMMAND_TEXT_UPDATED,
 wxCommandEventHandler( PANEL_COMMON_SETTINGS::OnCanvasScaleChange ),
 nullptr, this );
 }
}


PANEL_COMMON_SETTINGS::~PANEL_COMMON_SETTINGS()
{
 if( m_iconScaleSlider )
 {
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_TOP,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_BOTTOM,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_LINEUP,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_LINEDOWN,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_PAGEUP,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_PAGEDOWN,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_THUMBTRACK,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_THUMBRELEASE,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleSlider->Disconnect( wxEVT_SCROLL_CHANGED,
 wxScrollEventHandler( PANEL_COMMON_SETTINGS::OnScaleSlider ),
 nullptr, this );
 m_iconScaleAuto->Disconnect( wxEVT_COMMAND_CHECKBOX_CLICKED,
 wxCommandEventHandler( PANEL_COMMON_SETTINGS::OnIconScaleAuto ),
 nullptr, this );
 }

 if( m_canvasScaleCtrl )
 {
 m_canvasScaleCtrl->Disconnect( wxEVT_COMMAND_TEXT_UPDATED,
 wxCommandEventHandler( PANEL_COMMON_SETTINGS::OnCanvasScaleChange ),
 nullptr, this );
 }
}


bool PANEL_COMMON_SETTINGS::TransferDataToWindow()
{
 COMMON_SETTINGS* commonSettings = Pgm().GetCommonSettings();

 applySettingsToPanel( *commonSettings );

 // TODO(JE) Move these into COMMON_SETTINGS probably
 m_textEditorPath->SetValue( Pgm().GetTextEditor( false ) );
 m_defaultPDFViewer->SetValue( Pgm().UseSystemPdfBrowser() );
 m_otherPDFViewer->SetValue( !Pgm().UseSystemPdfBrowser() );
 m_PDFViewerPath->SetValue( Pgm().GetPdfBrowserName() );

 return true;
}


bool PANEL_COMMON_SETTINGS::TransferDataFromWindow()
{
 COMMON_SETTINGS* commonSettings = Pgm().GetCommonSettings();

 commonSettings->m_System.autosave_interval = m_SaveTime->GetValue() * 60;
 commonSettings->m_System.file_history_size = m_fileHistorySize->GetValue();
 commonSettings->m_System.clear_3d_cache_interval = m_Clear3DCacheFilesOlder->GetValue();

 commonSettings->m_Graphics.opengl_aa_mode = m_antialiasing->GetSelection();
 commonSettings->m_Graphics.cairo_aa_mode = m_antialiasingFallback->GetSelection();

 if( m_iconScaleSlider )
 {
 int scale_fourths = m_iconScaleAuto->GetValue() ? -1 : m_iconScaleSlider->GetValue() / 25;
 commonSettings->m_Appearance.icon_scale = scale_fourths;
 }

 if( m_canvasScaleCtrl )
 {
 DPI_SCALING dpi( commonSettings, this );
 dpi.SetDpiConfig( m_canvasScaleAuto->GetValue(), m_canvasScaleCtrl->GetValue() );
 }

 if( m_rbIconThemeLight->GetValue() )
 commonSettings->m_Appearance.icon_theme = ICON_THEME::LIGHT;
 else if( m_rbIconThemeDark->GetValue() )
 commonSettings->m_Appearance.icon_theme = ICON_THEME::DARK;
 else if( m_rbIconThemeAuto->GetValue() )
 commonSettings->m_Appearance.icon_theme = ICON_THEME::AUTO;

 commonSettings->m_Appearance.use_icons_in_menus = m_checkBoxIconsInMenus->GetValue();
 commonSettings->m_Appearance.apply_icon_scale_to_fonts = m_scaleFonts->GetValue();

 commonSettings->m_Input.immediate_actions = !m_NonImmediateActions->GetValue();
 commonSettings->m_Input.warp_mouse_on_move = m_warpMouseOnMove->GetValue();

 commonSettings->m_Backup.enabled = m_cbBackupEnabled->GetValue();
 commonSettings->m_Backup.backup_on_autosave = m_cbBackupAutosave->GetValue();
 commonSettings->m_Backup.limit_total_files = m_backupLimitTotalFiles->GetValue();
 commonSettings->m_Backup.limit_daily_files = m_backupLimitDailyFiles->GetValue();
 commonSettings->m_Backup.min_interval = m_backupMinInterval->GetValue() * 60;
 commonSettings->m_Backup.limit_total_size = m_backupLimitTotalSize->GetValue() * 1024 * 1024;

 commonSettings->m_Session.remember_open_files = m_cbRememberOpenFiles->GetValue();

 Pgm().SetTextEditor( m_textEditorPath->GetValue());

 Pgm().SetPdfBrowserName( m_PDFViewerPath->GetValue() );
 Pgm().ForceSystemPdfBrowser( m_defaultPDFViewer->GetValue() );
 Pgm().WritePdfBrowserInfos();

 Pgm().GetSettingsManager().Save( commonSettings );

 return true;
}


void PANEL_COMMON_SETTINGS::ResetPanel()
{
 COMMON_SETTINGS defaultSettings;

 defaultSettings.ResetToDefaults();

 applySettingsToPanel( defaultSettings );

 // TODO(JE) Move these into COMMON_SETTINGS probably
 m_textEditorPath->SetValue( defaultSettings.m_System.text_editor );
 m_defaultPDFViewer->SetValue( defaultSettings.m_System.use_system_pdf_viewer );
 m_otherPDFViewer->SetValue( !defaultSettings.m_System.use_system_pdf_viewer );
 m_PDFViewerPath->SetValue( defaultSettings.m_System.pdf_viewer_name );
}


void PANEL_COMMON_SETTINGS::applySettingsToPanel( COMMON_SETTINGS& aSettings )
{
 int timevalue = aSettings.m_System.autosave_interval;
 wxString msg;

 msg << timevalue / 60;
 m_SaveTime->SetValue( msg );

 m_fileHistorySize->SetValue( aSettings.m_System.file_history_size );

 m_antialiasing->SetSelection( aSettings.m_Graphics.opengl_aa_mode );
 m_antialiasingFallback->SetSelection( aSettings.m_Graphics.cairo_aa_mode );

 m_Clear3DCacheFilesOlder->SetValue( aSettings.m_System.clear_3d_cache_interval );

 if( m_iconScaleSlider )
 {
 int icon_scale_fourths = aSettings.m_Appearance.icon_scale;

 if( icon_scale_fourths <= 0 )
 {
 m_iconScaleAuto->SetValue( true );
 m_iconScaleSlider->SetValue( 25 * KiIconScale( GetParent() ) );
 }
 else
 {
 m_iconScaleAuto->SetValue( false );
 m_iconScaleSlider->SetValue( icon_scale_fourths * 25 );
 }
 }

 if( m_canvasScaleCtrl )
 {
 const DPI_SCALING dpi( &aSettings, this );
 m_canvasScaleCtrl->SetValue( dpi.GetScaleFactor() );
 m_canvasScaleAuto->SetValue( dpi.GetCanvasIsAutoScaled() );
 }

 switch( aSettings.m_Appearance.icon_theme )
 {
 case ICON_THEME::LIGHT: m_rbIconThemeLight->SetValue( true ); break;
 case ICON_THEME::DARK: m_rbIconThemeDark->SetValue( true ); break;
 case ICON_THEME::AUTO: m_rbIconThemeAuto->SetValue( true ); break;
 }

 m_checkBoxIconsInMenus->SetValue( aSettings.m_Appearance.use_icons_in_menus );
 m_scaleFonts->SetValue( aSettings.m_Appearance.apply_icon_scale_to_fonts );

 m_warpMouseOnMove->SetValue( aSettings.m_Input.warp_mouse_on_move );
 m_NonImmediateActions->SetValue( !aSettings.m_Input.immediate_actions );

 m_cbRememberOpenFiles->SetValue( aSettings.m_Session.remember_open_files );

 m_cbBackupEnabled->SetValue( aSettings.m_Backup.enabled );
 m_cbBackupAutosave->SetValue( aSettings.m_Backup.backup_on_autosave );
 m_backupLimitTotalFiles->SetValue( aSettings.m_Backup.limit_total_files );
 m_backupLimitDailyFiles->SetValue( aSettings.m_Backup.limit_daily_files );
 m_backupMinInterval->SetValue( aSettings.m_Backup.min_interval / 60 );
 m_backupLimitTotalSize->SetValue( aSettings.m_Backup.limit_total_size / ( 1024 * 1024 ) );
}


void PANEL_COMMON_SETTINGS::OnScaleSlider( wxScrollEvent& aEvent )
{
 m_iconScaleAuto->SetValue( false );
 aEvent.Skip();
}


void PANEL_COMMON_SETTINGS::OnIconScaleAuto( wxCommandEvent& aEvent )
{
 if( m_iconScaleSlider )
 {
 if( m_iconScaleAuto->GetValue() )
 {
 m_last_scale = m_iconScaleAuto->GetValue();
 m_iconScaleSlider->SetValue( 25 * KiIconScale( GetParent() ) );
 }
 else
 {
 if( m_last_scale >= 0 )
 m_iconScaleSlider->SetValue( m_last_scale );
 }
 }
}


void PANEL_COMMON_SETTINGS::OnCanvasScaleChange( wxCommandEvent& aEvent )
{
 m_canvasScaleAuto->SetValue( false );
}


void PANEL_COMMON_SETTINGS::OnCanvasScaleAuto( wxCommandEvent& aEvent )
{
 const bool automatic = m_canvasScaleAuto->GetValue();

 if( automatic && m_canvasScaleCtrl )
 {
 // set the scale to the auto value, without consulting the config
 DPI_SCALING dpi( nullptr, this );

 // update the field (no events sent)
 m_canvasScaleCtrl->SetValue( dpi.GetScaleFactor() );
 }
}


void PANEL_COMMON_SETTINGS::OnTextEditorClick( wxCommandEvent& event )
{
 // Ask the user to select a new editor, but suggest the current one as the default.
 wxString editorname = Pgm().AskUserForPreferredEditor( m_textEditorPath->GetValue() );

 // If we have a new editor name request it to be copied to m_text_editor and saved
 // to the preferences file. If the user cancelled the dialog then the previous
 // value will be retained.
 if( !editorname.IsEmpty() )
 m_textEditorPath->SetValue( editorname );
}


void PANEL_COMMON_SETTINGS::OnPDFViewerClick( wxCommandEvent& event )
{
 wxString mask( wxT( "*" ) );

#ifdef __WINDOWS__
 mask += wxT( ".exe" );
#endif

 wxString wildcard = _( "Executable files (" ) + mask + wxT( ")|" ) + mask;

 Pgm().ReadPdfBrowserInfos();
 wxFileName fn = Pgm().GetPdfBrowserName();

 wxFileDialog dlg( this, _( "Select Preferred PDF Viewer" ), fn.GetPath(), fn.GetFullPath(),
 wildcard, wxFD_OPEN | wxFD_FILE_MUST_EXIST );

 if( dlg.ShowModal() == wxID_CANCEL )
 return;

 m_otherPDFViewer->SetValue( true );
 m_PDFViewerPath->SetValue( dlg.GetPath() );
}


void PANEL_COMMON_SETTINGS::onUpdateUIPdfPath( wxUpdateUIEvent& event )
{
 // Used by both the m_pdfViewerBtn and m_PDFViewerPath
 event.Enable( m_otherPDFViewer->GetValue() );
}