ui_common.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <wx/dcclient.h>
#include <wx/checkbox.h>
#include <wx/choice.h>
#include <wx/listbox.h>
#include <wx/dataview.h>
#include <wx/radiobut.h>
#include <wx/slider.h>
#include <wx/spinctrl.h>
#include <wx/srchctrl.h>
#include <wx/stc/stc.h>
#include <wx/scrolbar.h>
#include <wx/scrolwin.h>
#include <wx/grid.h>
#include <widgets/ui_common.h>

#include <algorithm>
#include <dialog_shim.h>
#include <pgm_base.h>
#include <wx/settings.h>
#include <bitmaps/bitmap_types.h>

int KIUI::GetStdMargin()
{
 // This is the value used in (most) wxFB dialogs
 return 5;
}


SEVERITY SeverityFromString( const wxString& aSeverity )
{
 if( aSeverity == wxT( "warning" ) )
 return RPT_SEVERITY_WARNING;
 else if( aSeverity == wxT( "ignore" ) )
 return RPT_SEVERITY_IGNORE;
 else
 return RPT_SEVERITY_ERROR;
}


wxString SeverityToString( const SEVERITY& aSeverity )
{
 if( aSeverity == RPT_SEVERITY_IGNORE )
 return wxT( "ignore" );
 else if( aSeverity == RPT_SEVERITY_WARNING )
 return wxT( "warning" );
 else
 return wxT( "error" );
}


wxSize KIUI::GetTextSize( const wxString& aSingleLine, wxWindow* aWindow )
{
 wxCoord width;
 wxCoord height;

 {
 wxClientDC dc( aWindow );
 dc.SetFont( aWindow->GetFont() );
 dc.GetTextExtent( aSingleLine, &width, &height );
 }

 return wxSize( width, height );
}


wxFont KIUI::GetMonospacedUIFont()
{
 static int guiFontSize = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT ).GetPointSize();

 wxFont font( guiFontSize, wxFONTFAMILY_MODERN, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL );

#ifdef __WXMAC__
 // https://trac.wxwidgets.org/ticket/19210
 if( font.GetFaceName().IsEmpty() )
 font.SetFaceName( wxT( "Menlo" ) );
#endif

 return font;
}


wxFont getGUIFont( wxWindow* aWindow, int aRelativeSize )
{
 wxFont font = aWindow->GetFont();

 font.SetPointSize( font.GetPointSize() + aRelativeSize );

 if( Pgm().GetCommonSettings()->m_Appearance.apply_icon_scale_to_fonts )
 {
 double icon_scale_fourths;

 if( Pgm().GetCommonSettings()->m_Appearance.icon_scale <= 0 )
 icon_scale_fourths = KiIconScale( aWindow );
 else
 icon_scale_fourths = Pgm().GetCommonSettings()->m_Appearance.icon_scale;

 font.SetPointSize( KiROUND( icon_scale_fourths * font.GetPointSize() / 4.0 ) );
 }

#ifdef __WXMAC__
 // https://trac.wxwidgets.org/ticket/19210
 if( font.GetFaceName().IsEmpty() )
 font.SetFaceName( wxT( "San Francisco" ) );
 // OSX 10.1 .. 10.9: Lucida Grande
 // OSX 10.10: Helvetica Neue
 // OSX 10.11 .. : San Francisco
#endif

 return font;
}


wxFont KIUI::GetStatusFont( wxWindow* aWindow )
{
#ifdef __WXMAC__
 int scale = -2;
#else
 int scale = 0;
#endif

 return getGUIFont( aWindow, scale );
}


wxFont KIUI::GetInfoFont( wxWindow* aWindow )
{
 return getGUIFont( aWindow, -1 );
}


wxFont KIUI::GetControlFont( wxWindow* aWindow )
{
 return getGUIFont( aWindow, 0 );
}


bool KIUI::EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString )
{
 wxWindow* window = aCtrl->GetParent();

 if( !window )
 window = aCtrl;

 wxString ctrlText;

 if( !aString )
 {
 ctrlText = aCtrl->GetValue();
 aString = &ctrlText;
 }

 wxSize textz = GetTextSize( *aString, window );
 wxSize ctrlz = aCtrl->GetSize();

 if( ctrlz.GetWidth() < textz.GetWidth() + 10 )
 {
 ctrlz.SetWidth( textz.GetWidth() + 10 );
 aCtrl->SetSizeHints( ctrlz );
 return true;
 }

 return false;
}


void KIUI::SelectReferenceNumber( wxTextEntry* aTextEntry )
{
 wxString ref = aTextEntry->GetValue();

 if( ref.find_first_of( '?' ) != ref.npos )
 {
 aTextEntry->SetSelection( ref.find_first_of( '?' ), ref.find_last_of( '?' ) + 1 );
 }
 else if( ref.find_first_of( '*' ) != ref.npos )
 {
 aTextEntry->SetSelection( ref.find_first_of( '*' ), ref.find_last_of( '*' ) + 1 );
 }
 else
 {
 wxString num = ref;

 while( !num.IsEmpty() && ( !isdigit( num.Last() ) || !isdigit( num.GetChar( 0 ) ) ) )
 {
 // Trim non-digit from end
 if( !isdigit( num.Last() ) )
 num.RemoveLast();

 // Trim non-digit from the start
 if( !num.IsEmpty() && !isdigit( num.GetChar( 0 ) ) )
 num = num.Right( num.Length() - 1 );
 }

 aTextEntry->SetSelection( ref.Find( num ), ref.Find( num ) + num.Length() );

 if( num.IsEmpty() )
 aTextEntry->SetSelection( -1, -1 );
 }
}


bool KIUI::IsInputControlFocused( wxWindow* aFocus )
{
 if( aFocus == nullptr )
 aFocus = wxWindow::FindFocus();

 if( !aFocus )
 return false;

 wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( aFocus );
 wxStyledTextCtrl* styledText = dynamic_cast<wxStyledTextCtrl*>( aFocus );
 wxListBox* listBox = dynamic_cast<wxListBox*>( aFocus );
 wxSearchCtrl* searchCtrl = dynamic_cast<wxSearchCtrl*>( aFocus );
 wxCheckBox* checkboxCtrl = dynamic_cast<wxCheckBox*>( aFocus );
 wxChoice* choiceCtrl = dynamic_cast<wxChoice*>( aFocus );
 wxRadioButton* radioBtn = dynamic_cast<wxRadioButton*>( aFocus );
 wxSpinCtrl* spinCtrl = dynamic_cast<wxSpinCtrl*>( aFocus );
 wxSpinCtrlDouble* spinDblCtrl = dynamic_cast<wxSpinCtrlDouble*>( aFocus );
 wxSlider* sliderCtl = dynamic_cast<wxSlider*>( aFocus );

 // Data view control is annoying, the focus is on a "wxDataViewCtrlMainWindow" class that
 // is not formerly exported via the header.
 wxDataViewCtrl* dataViewCtrl = nullptr;

 wxWindow* parent = aFocus->GetParent();

 if( parent )
 dataViewCtrl = dynamic_cast<wxDataViewCtrl*>( parent );

 return ( textEntry || styledText || listBox || searchCtrl || checkboxCtrl || choiceCtrl
 || radioBtn || spinCtrl || spinDblCtrl || sliderCtl || dataViewCtrl );
}


bool KIUI::IsInputControlEditable( wxWindow* aFocus )
{
 wxTextEntry* textEntry = dynamic_cast<wxTextEntry*>( aFocus );
 wxStyledTextCtrl* styledText = dynamic_cast<wxStyledTextCtrl*>( aFocus );
 wxSearchCtrl* searchCtrl = dynamic_cast<wxSearchCtrl*>( aFocus );

 if( textEntry )
 return textEntry->IsEditable();
 else if( styledText )
 return styledText->IsEditable();
 else if( searchCtrl )
 return searchCtrl->IsEditable();

 return true; // Must return true if we can't determine the state, intentionally true for non inputs as well
}


bool KIUI::IsModalDialogFocused()
{
 return Pgm().m_ModalDialogCount > 0;
}


void KIUI::Disable( wxWindow* aWindow )
{
 wxScrollBar* scrollBar = dynamic_cast<wxScrollBar*>( aWindow );
 wxGrid* grid = dynamic_cast<wxGrid*>( aWindow );
 wxStyledTextCtrl* scintilla = dynamic_cast<wxStyledTextCtrl*>( aWindow );
 wxControl* control = dynamic_cast<wxControl*>( aWindow );

 if( scrollBar )
 {
 // Leave a scroll bar active
 }
 else if( grid )
 {
 for( int row = 0; row < grid->GetNumberRows(); ++row )
 {
 for( int col = 0; col < grid->GetNumberCols(); ++col )
 grid->SetReadOnly( row, col );
 }
 }
 else if( scintilla )
 {
 scintilla->SetReadOnly( true );
 }
 else if( control )
 {
 control->Disable();
 }
 else
 {
 for( wxWindow* child : aWindow->GetChildren() )
 Disable( child );
 }
}