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kicad/common/widgets/bitmap_button.cpp

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/*
* 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) 2020-2024 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 <pgm_base.h>
#include <settings/common_settings.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_isRadioButton( false ),
m_showBadge( false ),
m_badgeColor( wxColor( 210, 0, 0 ) ), // dark red
m_badgeTextColor( wxColor( wxT( "white" ) ) ),
m_buttonState( 0 ),
m_padding( 0 ),
m_isToolbarButton( false ),
m_acceptDraggedInClicks( false ),
m_centerBitmap( false )
{
m_badgeFont = GetFont().Smaller().MakeBold();
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_isRadioButton( false ),
m_showBadge( false ),
m_badgeColor( wxColor( 210, 0, 0 ) ), // dark red
m_badgeTextColor( wxColor( wxT( "white" ) ) ),
m_buttonState( 0 ),
m_padding( 5 ),
m_isToolbarButton( false ),
m_acceptDraggedInClicks( false ),
m_centerBitmap( false )
{
m_badgeFont = GetFont().Smaller().MakeBold();
setupEvents();
}
void BITMAP_BUTTON::setupEvents()
{
Bind( wxEVT_DPI_CHANGED, &BITMAP_BUTTON::OnDPIChanged, this );
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()
{
}
wxSize BITMAP_BUTTON::DoGetBestSize() const
{
return m_unadjustedMinSize + wxSize( m_padding * 2, m_padding * 2 );
}
void BITMAP_BUTTON::SetPadding( int aPadding )
{
m_padding = aPadding;
InvalidateBestSize();
}
void BITMAP_BUTTON::SetBitmap( const wxBitmapBundle& aBmp )
{
m_normalBitmap = aBmp;
// This is a bit of a hack, but fixes button scaling issues on some platforms when those buttons
// use KiScaledBitmap. When that method is retired, this can probably be revisited.
if( m_isToolbarButton )
{
m_unadjustedMinSize = m_normalBitmap.GetPreferredBitmapSizeFor( this );
}
else
{
#ifndef __WXMSW__
m_unadjustedMinSize = m_normalBitmap.GetDefaultSize();
#else
m_unadjustedMinSize = m_normalBitmap.GetPreferredBitmapSizeFor( this );
#endif
}
InvalidateBestSize();
}
void BITMAP_BUTTON::SetDisabledBitmap( const wxBitmapBundle& aBmp )
{
m_disabledBitmap = aBmp;
}
void BITMAP_BUTTON::AcceptDragInAsClick( bool aAcceptDragIn )
{
m_acceptDraggedInClicks = aAcceptDragIn;
}
void BITMAP_BUTTON::OnMouseLeave( wxEvent& aEvent )
{
if( hasFlag( wxCONTROL_CURRENT | wxCONTROL_PRESSED ) )
{
clearFlag( wxCONTROL_CURRENT | wxCONTROL_PRESSED );
Refresh();
}
aEvent.Skip();
}
void BITMAP_BUTTON::OnMouseEnter( wxEvent& aEvent )
{
if( !hasFlag( wxCONTROL_CURRENT ) )
{
setFlag( wxCONTROL_CURRENT );
Refresh();
}
aEvent.Skip();
}
void BITMAP_BUTTON::OnKillFocus( wxEvent& aEvent )
{
if( hasFlag( wxCONTROL_FOCUSED | wxCONTROL_CURRENT | wxCONTROL_PRESSED | wxCONTROL_SELECTED ) )
{
clearFlag( wxCONTROL_FOCUSED | wxCONTROL_CURRENT | wxCONTROL_PRESSED | wxCONTROL_SELECTED );
Refresh();
}
aEvent.Skip();
}
void BITMAP_BUTTON::OnSetFocus( wxEvent& aEvent )
{
if( !hasFlag( wxCONTROL_CHECKABLE ) )
{
if( !hasFlag( wxCONTROL_FOCUSED ) )
{
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( [this]()
{
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 ) && !m_isRadioButton )
{
clearFlag( wxCONTROL_CHECKED );
GetEventHandler()->CallAfter(
[this]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
evt.SetInt( 0 );
GetEventHandler()->ProcessEvent( evt );
} );
}
else
{
setFlag( wxCONTROL_CHECKED );
GetEventHandler()->CallAfter(
[this]()
{
wxCommandEvent evt( wxEVT_BUTTON, GetId() );
evt.SetEventObject( this );
evt.SetInt( 1 );
GetEventHandler()->ProcessEvent( evt );
} );
}
}
else
{
setFlag( wxCONTROL_PRESSED );
}
Refresh();
aEvent.Skip();
}
void BITMAP_BUTTON::OnDPIChanged( wxDPIChangedEvent& aEvent )
{
wxSize newBmSize = m_normalBitmap.GetPreferredBitmapSizeFor( this );
if( newBmSize != m_unadjustedMinSize )
{
m_unadjustedMinSize = newBmSize;
InvalidateBestSize();
}
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 wxBitmapBundle& bmp = hasFlag( wxCONTROL_DISABLED ) ? m_disabledBitmap : m_normalBitmap;
wxPoint drawBmpPos( m_padding, m_padding );
wxBitmap bmpImg;
double scale = KIPLATFORM::UI::GetPixelScaleFactor( this );
wxSize bmSize;
if( m_isToolbarButton )
{
int size = Pgm().GetCommonSettings()->m_Appearance.toolbar_icon_size;
bmSize = wxSize( size, size );
bmpImg = bmp.GetBitmap( bmSize * scale );
// wxBitmapBundle::GetBitmap thinks we need this rescaled to match the base size
if( bmpImg.IsOk() )
bmpImg.SetScaleFactor( scale );
}
else if( bmp.IsOk() )
{
bmpImg = bmp.GetBitmap( m_unadjustedMinSize );
bmSize = bmpImg.GetSize();
}
if( m_centerBitmap )
{
// dont let it go negative if bmp is larger than the button
int x = std::max( ( rect.width - bmSize.x ) / 2, 0 );
int y = std::max( ( rect.height - bmSize.y ) / 2, 0 );
drawBmpPos = wxPoint( x, y );
}
// Draw the bitmap with the upper-left corner offset by the padding
if( bmp.IsOk() )
dc.DrawBitmap( bmpImg, drawBmpPos, true );
// Draw the badge
if( m_showBadge )
{
dc.SetFont( m_badgeFont );
wxSize text_padding( 3, 1 );
if( m_padding )
text_padding *= 2;
wxSize box_size = dc.GetTextExtent( m_badgeText ) + text_padding;
wxSize box_offset = box_size;
if( m_padding != 0 )
box_offset += wxSize( m_padding / 3, m_padding / 3 );
dc.SetPen( wxPen( m_badgeColor ) );
dc.SetBrush( wxBrush( m_badgeColor ) );
dc.DrawRoundedRectangle( rect.GetRightBottom() - box_offset, box_size, -0.25 );
dc.SetTextForeground( m_badgeTextColor );
dc.DrawText( m_badgeText, rect.GetRightBottom() - box_offset + ( text_padding / 2 ) );
}
}
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 && hasFlag( wxCONTROL_DISABLED ) )
{
clearFlag( wxCONTROL_DISABLED );
Refresh();
}
if( !aEnable && !hasFlag( wxCONTROL_DISABLED ) )
{
setFlag( wxCONTROL_DISABLED );
Refresh();
}
return true;
}
void BITMAP_BUTTON::SetIsCheckButton()
{
setFlag( wxCONTROL_CHECKABLE );
}
void BITMAP_BUTTON::SetIsRadioButton()
{
setFlag( wxCONTROL_CHECKABLE );
m_isRadioButton = true;
}
void BITMAP_BUTTON::SetIsSeparator()
{
setFlag( wxCONTROL_SEPARATOR | wxCONTROL_DISABLED );
InvalidateBestSize();
}
void BITMAP_BUTTON::Check( bool aCheck )
{
wxASSERT_MSG( hasFlag( wxCONTROL_CHECKABLE ), wxS( "Button is not a checkButton." ) );
if( aCheck && !hasFlag( wxCONTROL_CHECKED ) )
{
setFlag( wxCONTROL_CHECKED );
Refresh();
}
if( !aCheck && hasFlag( wxCONTROL_CHECKED ) )
{
clearFlag( wxCONTROL_CHECKED );
Refresh();
}
}
bool BITMAP_BUTTON::IsChecked() const
{
wxASSERT_MSG( hasFlag( wxCONTROL_CHECKABLE ), wxS( "Button is not a checkButton." ) );
return hasFlag( wxCONTROL_CHECKED );
}
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