kicad/common/widgets/bitmap_button.cpp

308 lines
8.6 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2020 Ian McInerney <ian.s.mcinerney at ieee dot org>
* 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 <kiplatform/ui.h>
#include <widgets/bitmap_button.h>
#include <wx/button.h>
#include <wx/dcclient.h>
#include <wx/renderer.h>
#include <wx/settings.h>
#define wxCONTROL_SEPARATOR wxCONTROL_SPECIAL
BITMAP_BUTTON::BITMAP_BUTTON( wxWindow* aParent, wxWindowID aId, const wxPoint& aPos,
const wxSize& aSize, int aStyles ) :
wxPanel( aParent, aId, aPos, aSize, aStyles ),
m_buttonState( 0 ),
m_padding( 0 ),
m_acceptDraggedInClicks( false )
{
if( aSize == wxDefaultSize )
SetMinSize( wxButton::GetDefaultSize() + wxSize( m_padding * 2, m_padding * 2) );
setupEvents();
}
BITMAP_BUTTON::BITMAP_BUTTON( wxWindow* aParent, wxWindowID aId, const wxBitmap& aDummyBitmap,
const wxPoint& aPos, const wxSize& aSize, int aStyles ) :
wxPanel( aParent, aId, aPos, aSize, aStyles ),
m_buttonState( 0 ),
m_padding( 5 ),
m_acceptDraggedInClicks( false )
{
if( aSize == wxDefaultSize )
SetMinSize( wxButton::GetDefaultSize() + wxSize( m_padding * 2, m_padding * 2) );
setupEvents();
}
void BITMAP_BUTTON::setupEvents()
{
Bind( wxEVT_PAINT, &BITMAP_BUTTON::OnPaint, this );
Bind( wxEVT_LEFT_UP, &BITMAP_BUTTON::OnLeftButtonUp, this );
Bind( wxEVT_LEFT_DOWN, &BITMAP_BUTTON::OnLeftButtonDown, this );
Bind( wxEVT_LEAVE_WINDOW, &BITMAP_BUTTON::OnMouseLeave, this );
Bind( wxEVT_ENTER_WINDOW, &BITMAP_BUTTON::OnMouseEnter, this );
Bind( wxEVT_KILL_FOCUS, &BITMAP_BUTTON::OnKillFocus, this );
Bind( wxEVT_SET_FOCUS, &BITMAP_BUTTON::OnSetFocus, this );
}
BITMAP_BUTTON::~BITMAP_BUTTON()
{
}
void BITMAP_BUTTON::SetPadding( int aPadding )
{
m_padding = aPadding;
SetMinSize( m_unadjustedMinSize + wxSize( aPadding * 2, aPadding * 2 ) );
}
void BITMAP_BUTTON::SetBitmap( const wxBitmap& aBmp )
{
m_normalBitmap = aBmp;
m_unadjustedMinSize = aBmp.GetSize();
SetMinSize( wxSize( aBmp.GetWidth() + ( m_padding * 2 ), aBmp.GetHeight() + ( m_padding * 2 ) ) );
}
void BITMAP_BUTTON::SetDisabledBitmap( const wxBitmap& aBmp )
{
m_disabledBitmap = aBmp;
}
void BITMAP_BUTTON::AcceptDragInAsClick( bool aAcceptDragIn )
{
m_acceptDraggedInClicks = aAcceptDragIn;
}
void BITMAP_BUTTON::OnMouseLeave( wxEvent& aEvent )
{
clearFlag( wxCONTROL_CURRENT | wxCONTROL_PRESSED );
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnMouseEnter( wxEvent& aEvent )
{
setFlag( wxCONTROL_CURRENT );
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnKillFocus( wxEvent& aEvent )
{
clearFlag( wxCONTROL_FOCUSED );
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnSetFocus( wxEvent& aEvent )
{
if( !hasFlag( wxCONTROL_CHECKABLE ) )
setFlag( wxCONTROL_FOCUSED );
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnLeftButtonUp( wxMouseEvent& aEvent )
{
// Only create a button event when the control is enabled
// and only accept clicks that came without prior mouse-down if configured
if( !hasFlag( wxCONTROL_DISABLED )
&& ( m_acceptDraggedInClicks || hasFlag( wxCONTROL_PRESSED | wxCONTROL_FOCUSED ) ) )
{
GetEventHandler()->CallAfter( [=]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
GetEventHandler()->ProcessEvent( evt );
} );
}
clearFlag( wxCONTROL_PRESSED );
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnLeftButtonDown( wxMouseEvent& aEvent )
{
if( hasFlag( wxCONTROL_CHECKABLE ) )
{
if( hasFlag( wxCONTROL_CHECKED ) )
{
clearFlag( wxCONTROL_CHECKED );
GetEventHandler()->CallAfter(
[=]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
evt.SetInt( 0 );
GetEventHandler()->ProcessEvent( evt );
} );
}
else
{
setFlag( wxCONTROL_CHECKED );
GetEventHandler()->CallAfter(
[=]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
evt.SetInt( 1 );
GetEventHandler()->ProcessEvent( evt );
} );
}
}
else
{
setFlag( wxCONTROL_PRESSED );
}
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnPaint( wxPaintEvent& aEvent )
{
bool darkMode = KIPLATFORM::UI::IsDarkTheme();
wxColor highlightColor = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT );
// The drawing rectangle
wxRect rect( wxPoint( 0, 0 ), GetSize() );
wxPaintDC dc( this );
if( hasFlag( wxCONTROL_SEPARATOR ) )
{
dc.SetPen( wxPen( wxSystemSettings::GetColour( wxSYS_COLOUR_GRAYTEXT ) ) );
dc.DrawLine( wxPoint( GetSize().x / 2, 0 ), wxPoint( GetSize().x / 2, GetSize().y ) );
return;
}
// This drawing is done so the button looks the same as an AUI toolbar button
if( !hasFlag( wxCONTROL_DISABLED ) )
{
if( hasFlag( wxCONTROL_PRESSED ) )
{
dc.SetPen( wxPen( highlightColor ) );
dc.SetBrush( wxBrush( highlightColor.ChangeLightness( darkMode ? 20 : 150 ) ) );
dc.DrawRectangle( rect );
}
else if( hasFlag( wxCONTROL_CURRENT | wxCONTROL_FOCUSED ) )
{
dc.SetPen( wxPen( highlightColor ) );
dc.SetBrush( wxBrush( highlightColor.ChangeLightness( darkMode ? 40 : 170 ) ) );
// Checked items need a lighter hover rectangle
if( hasFlag( wxCONTROL_CHECKED ) )
dc.SetBrush( wxBrush( highlightColor.ChangeLightness( darkMode ? 50 : 180 ) ) );
dc.DrawRectangle( rect );
}
else if( hasFlag( wxCONTROL_CHECKED ) )
{
dc.SetPen( wxPen( highlightColor ) );
dc.SetBrush( wxBrush( highlightColor.ChangeLightness( darkMode ? 40 : 170 ) ) );
dc.DrawRectangle( rect );
}
}
const wxBitmap& bmp = hasFlag( wxCONTROL_DISABLED ) ? m_disabledBitmap : m_normalBitmap;
// Draw the bitmap with the upper-left corner offset by the padding
if( bmp.IsOk() )
dc.DrawBitmap( bmp, m_padding, m_padding, true );
}
bool BITMAP_BUTTON::Enable( bool aEnable )
{
// If the requested state is already the current state, don't do anything
if( aEnable != hasFlag( wxCONTROL_DISABLED ) )
return false;
wxPanel::Enable( aEnable );
if( aEnable )
clearFlag( wxCONTROL_DISABLED );
else
setFlag( wxCONTROL_DISABLED );
Refresh();
return true;
}
void BITMAP_BUTTON::SetIsCheckButton()
{
setFlag( wxCONTROL_CHECKABLE );
}
void BITMAP_BUTTON::SetIsSeparator()
{
setFlag( wxCONTROL_SEPARATOR | wxCONTROL_DISABLED );
SetMinSize( wxSize( m_padding * 2, wxButton::GetDefaultSize().y ) );
}
void BITMAP_BUTTON::Check( bool aCheck )
{
wxASSERT_MSG( hasFlag( wxCONTROL_CHECKABLE ), "Button is not a checkButton." );
if( aCheck )
setFlag( wxCONTROL_CHECKED );
else
clearFlag( wxCONTROL_CHECKED );
Refresh();
}
bool BITMAP_BUTTON::IsChecked() const
{
wxASSERT_MSG( hasFlag( wxCONTROL_CHECKABLE ), "Button is not a checkButton." );
return hasFlag( wxCONTROL_CHECKED );
}