kicad/common/widgets/msgpanel.cpp

222 lines
6.0 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2021 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 <widgets/msgpanel.h>
#include <wx/dcscreen.h>
#include <wx/dcclient.h>
#include <wx/settings.h>
#include <wx/toplevel.h>
#include <widgets/ui_common.h>
BEGIN_EVENT_TABLE( EDA_MSG_PANEL, wxPanel )
EVT_PAINT( EDA_MSG_PANEL::OnPaint )
END_EVENT_TABLE()
EDA_MSG_PANEL::EDA_MSG_PANEL( wxWindow* aParent, int aId, const wxPoint& aPosition,
const wxSize& aSize, long style, const wxString &name ) :
wxPanel( aParent, aId, aPosition, aSize, style, name )
{
SetFont( KIUI::GetStatusFont( this ) );
SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
// informs wx not to paint the background itself as we will paint it later in erase()
SetBackgroundStyle( wxBG_STYLE_PAINT );
m_last_x = 0;
m_fontSize = GetTextExtent( wxT( "W" ) );
}
EDA_MSG_PANEL::~EDA_MSG_PANEL()
{
}
int EDA_MSG_PANEL::GetRequiredHeight( wxWindow* aWindow )
{
wxSize fontSizeInPixels;
wxScreenDC dc;
dc.SetFont( KIUI::GetControlFont( aWindow ) );
dc.GetTextExtent( wxT( "W" ), &fontSizeInPixels.x, &fontSizeInPixels.y );
// make space for two rows of text plus a number of pixels between them.
return 2 * fontSizeInPixels.y + 0;
}
void EDA_MSG_PANEL::OnPaint( wxPaintEvent& aEvent )
{
wxPaintDC dc( this );
erase( &dc );
dc.SetBackground( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
dc.SetBackgroundMode( wxSOLID );
dc.SetTextBackground( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
dc.SetFont( KIUI::GetControlFont( this ) );
for( const MSG_PANEL_ITEM& item : m_Items )
showItem( dc, item );
aEvent.Skip();
}
void EDA_MSG_PANEL::AppendMessage( const wxString& aUpperText, const wxString& aLowerText,
int aPadding )
{
wxString text;
wxSize drawSize = GetClientSize();
text = ( aUpperText.Len() > aLowerText.Len() ) ? aUpperText : aLowerText;
text.Append( ' ', aPadding );
MSG_PANEL_ITEM item;
/* Don't put the first message a window client position 0. Offset by
* one 'W' character width. */
if( m_last_x == 0 )
m_last_x = m_fontSize.x;
item.m_X = m_last_x;
item.m_UpperY = ( drawSize.y / 2 ) - m_fontSize.y;
item.m_LowerY = drawSize.y - m_fontSize.y;
item.m_UpperText = aUpperText;
item.m_LowerText = aLowerText;
m_Items.push_back( item );
m_last_x += GetTextExtent( text ).x;
// Add an extra space between texts for a better look:
m_last_x += m_fontSize.x;
Refresh();
}
void EDA_MSG_PANEL::SetMessage( int aXPosition, const wxString& aUpperText,
const wxString& aLowerText )
{
wxPoint pos;
wxSize drawSize = GetClientSize();
if( aXPosition >= 0 )
m_last_x = pos.x = aXPosition * (m_fontSize.x + 2);
else
pos.x = m_last_x;
MSG_PANEL_ITEM item;
item.m_X = pos.x;
item.m_UpperY = (drawSize.y / 2) - m_fontSize.y;
item.m_LowerY = drawSize.y - m_fontSize.y;
item.m_UpperText = aUpperText;
item.m_LowerText = aLowerText;
int ndx;
// update the vector, which is sorted by m_X
int limit = m_Items.size();
for( ndx = 0; ndx < limit; ++ndx )
{
// replace any item with same X
if( m_Items[ndx].m_X == item.m_X )
{
m_Items[ndx] = item;
break;
}
if( m_Items[ndx].m_X > item.m_X )
{
m_Items.insert( m_Items.begin() + ndx, item );
break;
}
}
if( ndx == limit ) // mutually exclusive with two above if tests
m_Items.push_back( item );
Refresh();
}
void EDA_MSG_PANEL::showItem( wxDC& aDC, const MSG_PANEL_ITEM& aItem )
{
COLOR4D color;
// Change the text to a disabled color when the window isn't active
wxTopLevelWindow* tlw = dynamic_cast<wxTopLevelWindow*>( wxGetTopLevelParent( this ) );
if( tlw && !tlw->IsActive() )
color = wxSystemSettings::GetColour( wxSYS_COLOUR_GRAYTEXT );
else
color = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
aDC.SetTextForeground( color.ToColour() );
if( !aItem.m_UpperText.IsEmpty() )
aDC.DrawText( aItem.m_UpperText, aItem.m_X, aItem.m_UpperY );
if( !aItem.m_LowerText.IsEmpty() )
aDC.DrawText( aItem.m_LowerText, aItem.m_X, aItem.m_LowerY );
}
void EDA_MSG_PANEL::EraseMsgBox()
{
m_Items.clear();
m_last_x = 0;
Refresh();
}
void EDA_MSG_PANEL::erase( wxDC* aDC )
{
wxPen pen;
wxBrush brush;
wxSize size = GetClientSize();
wxColour color = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
pen.SetColour( color );
brush.SetColour( color );
brush.SetStyle( wxBRUSHSTYLE_SOLID );
aDC->SetPen( pen );
aDC->SetBrush( brush );
aDC->DrawRectangle( 0, 0, size.x, size.y );
}