kicad/common/widgets/std_bitmap_button.cpp

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2016 Anil8735(https://stackoverflow.com/users/3659387/anil8753)
* from https://stackoverflow.com/a/37274011
* Copyright (C) 2020-2022 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 <widgets/std_bitmap_button.h>
#include <wx/button.h>
#include <wx/dcclient.h>
#include <wx/menu.h>
#include <wx/renderer.h>
#include <wx/settings.h>
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#include <wx/version.h>
#include <kiplatform/ui.h>
STD_BITMAP_BUTTON::STD_BITMAP_BUTTON( wxWindow* aParent, wxWindowID aId,
const wxBitmap& aDummyBitmap, const wxPoint& aPos,
const wxSize& aSize, int aStyle ) :
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wxPanel( aParent, aId, aPos, aSize, aStyle, wxS( "StdBitmapButton" ) )
{
if( aSize == wxDefaultSize )
{
#if wxCHECK_VERSION( 3, 1, 3 )
wxSize defaultSize = wxButton::GetDefaultSize( aParent );
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#else
wxSize defaultSize = wxButton::GetDefaultSize();
#endif
SetMinSize( wxSize( defaultSize.GetWidth() + 1, defaultSize.GetHeight() + 1 ) );
}
Bind( wxEVT_PAINT, &STD_BITMAP_BUTTON::OnPaint, this );
Bind( wxEVT_LEFT_UP, &STD_BITMAP_BUTTON::OnLeftButtonUp, this );
Bind( wxEVT_LEFT_DOWN, &STD_BITMAP_BUTTON::OnLeftButtonDown, this );
Bind( wxEVT_KILL_FOCUS, &STD_BITMAP_BUTTON::OnKillFocus, this );
Bind( wxEVT_LEAVE_WINDOW, &STD_BITMAP_BUTTON::OnMouseLeave, this );
Bind( wxEVT_ENTER_WINDOW, &STD_BITMAP_BUTTON::OnMouseEnter, this );
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Bind( wxEVT_SYS_COLOUR_CHANGED,
wxSysColourChangedEventHandler( STD_BITMAP_BUTTON::onThemeChanged ),
this );
}
STD_BITMAP_BUTTON::~STD_BITMAP_BUTTON()
{
}
void STD_BITMAP_BUTTON::onThemeChanged( wxSysColourChangedEvent &aEvent )
{
Refresh();
}
void STD_BITMAP_BUTTON::SetBitmap( const wxBitmap& aBmp )
{
m_bitmap = aBmp;
SetMinSize( wxSize( m_bitmap.GetWidth() + 8, m_bitmap.GetHeight() + 8 ) );
}
void STD_BITMAP_BUTTON::OnKillFocus( wxFocusEvent& aEvent )
{
if( m_stateButton != 0 )
{
m_stateButton = 0;
Refresh();
}
aEvent.Skip();
}
void STD_BITMAP_BUTTON::OnMouseLeave( wxMouseEvent& aEvent )
{
if( m_stateButton != 0 )
{
m_stateButton = 0;
Refresh();
}
aEvent.Skip();
}
void STD_BITMAP_BUTTON::OnMouseEnter( wxMouseEvent& aEvent )
{
if( m_stateButton != wxCONTROL_CURRENT )
{
m_stateButton = wxCONTROL_CURRENT;
Refresh();
}
aEvent.Skip();
}
void STD_BITMAP_BUTTON::OnLeftButtonUp( wxMouseEvent& aEvent )
{
m_stateButton = 0;
Refresh();
wxEvtHandler* pEventHandler = GetEventHandler();
wxASSERT( pEventHandler );
pEventHandler->CallAfter(
[=]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
GetEventHandler()->ProcessEvent( evt );
} );
aEvent.Skip();
}
void STD_BITMAP_BUTTON::OnLeftButtonDown( wxMouseEvent& aEvent )
{
m_stateButton = wxCONTROL_PRESSED;
Refresh();
aEvent.Skip();
}
void STD_BITMAP_BUTTON::OnPaint( wxPaintEvent& WXUNUSED( aEvent ) )
{
wxPaintDC dc( this );
wxSize size = GetSize();
#ifdef __WXMAC__
auto drawBackground =
[&]( wxRect aRect )
{
// wxWidgets doesn't have much support for dark mode on OSX; none of the
// system colours return the right values, nor does wxRendererNative draw
// the borders correctly. So we add some empirically chosen hacks here.
// NOTE: KEEP THESE HACKS IN SYNC WITH SPLIT_BUTTON
wxColor fg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNTEXT );
wxColor bg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
aRect.width += 1;
aRect.height += 1;
if( KIPLATFORM::UI::IsDarkTheme() )
{
bg = bg.ChangeLightness( m_bIsEnable ? 130 : 120 );
dc.SetBrush( bg );
dc.SetPen( bg );
}
else
{
bg = bg.ChangeLightness( m_bIsEnable ? 200 : 160 );
dc.SetBrush( bg );
fg = fg.ChangeLightness( 180 );
dc.SetPen( fg );
}
dc.DrawRoundedRectangle( aRect, aRect.height / 4.0 );
};
#endif
wxRect r1;
r1.x = 0;
r1.y = 0;
r1.width = size.GetWidth();
r1.height = size.GetHeight();
#ifdef __WXMAC__
// wxRendereNative doesn't handle dark mode on OSX.
drawBackground( r1 );
#else
#ifdef __WXMSW__
r1.width += 1;
#endif
wxRendererNative::Get().DrawPushButton( this, dc, r1, m_stateButton );
#endif
if( m_bitmap.IsOk() )
{
r1.x = ( size.GetWidth() - m_bitmap.GetWidth() ) / 2;
if( r1.x < 0 )
r1.x = 0;
r1.y += ( size.GetHeight() - m_bitmap.GetHeight() ) / 2;
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dc.DrawBitmap( m_bIsEnable ? m_bitmap : m_bitmap.ConvertToDisabled(), r1.x, r1.y, true );
}
}
bool STD_BITMAP_BUTTON::Enable( bool aEnable )
{
m_bIsEnable = aEnable;
wxPanel::Enable( m_bIsEnable );
if( m_bIsEnable && m_stateButton == wxCONTROL_DISABLED )
{
m_stateButton = 0;
Refresh();
}
if( !m_bIsEnable && m_stateButton != wxCONTROL_DISABLED )
{
m_stateButton = wxCONTROL_DISABLED;
Refresh();
}
return aEnable;
}