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// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode: nil -*-
//
// Copyright (C) 2009-2015 Andrej Vodopivec <andrej.vodopivec@gmail.com>
// (C) 2014-2016 Gunter Königsmann <wxMaxima@physikbuch.de>
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// SPDX-License-Identifier: GPL-2.0+
/*! \file
This file defines the class CharacterButton
This file contains the definition of the class CharacterButton that allows to
select arbitrary unicode symbols.
*/
#include "CharButton.h"
#include "UnicodeSidebar.h"
#include "wx/sizer.h"
#include <wx/settings.h>
void CharButton::ForwardToParent(wxMouseEvent &event)
{
event.Skip();
if(GetParent())
GetParent()->GetEventHandler()->QueueEvent(new wxMouseEvent(event));
}
void CharButton::MouseOverPanel(wxMouseEvent &event)
{
m_mouseOverPanel = true;
m_backgroundColorChangeNeeded = true;
event.Skip();
}
void CharButton::MouseLeftPanel(wxMouseEvent &event)
{
m_mouseOverPanel = false;
m_backgroundColorChangeNeeded = true;
event.Skip();
}
void CharButton::MouseOverText(wxMouseEvent &event)
{
m_mouseOverText = true;
m_backgroundColorChangeNeeded = true;
event.Skip();
}
void CharButton::MouseLeftText(wxMouseEvent &event)
{
m_mouseOverText = false;
m_backgroundColorChangeNeeded = true;
event.Skip();
}
void CharButton::OnIdle(wxIdleEvent &event)
{
if(!m_backgroundColorChangeNeeded)
return;
m_backgroundColorChangeNeeded = false;
if((m_mouseOverPanel)||(m_mouseOverText))
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
else
// An invalid color means "the default background"
SetBackgroundColour(wxColour());
event.Skip();
}
void CharButton::CharButtonPressed(wxCommandEvent &WXUNUSED(event))
{
wxCommandEvent *ev = new wxCommandEvent(SIDEBARKEYEVENT, (long)(m_char));
m_worksheet->GetEventHandler()->QueueEvent(ev);
}
void CharButton::OnSize(wxSizeEvent &event)
{
wxFont fnt = GetFont();
wxClientDC dc(this);
dc.SetFont(fnt);
auto size = dc.GetTextExtent(m_char);
auto minSize = dc.GetTextExtent("M");
minSize.x *= 1.5;
minSize.y *= 1.5;
size.x += 2 * GetContentScaleFactor();
size.y += 2 * GetContentScaleFactor();
if(minSize.x < minSize.y)
minSize.x = minSize.y;
if(minSize.x > size.x)
size.x = minSize.x;
if(minSize.y > size.y)
size.y = minSize.y;
SetSize(size);
SetMinSize(size);
event.Skip();
}
CharButton::CharButton(wxWindow *parent, wxWindow *worksheet, const Definition &def) :
wxPanel(parent, wxID_ANY),
m_char(def.symbol),
m_worksheet(worksheet)
{
Connect(wxEVT_SIZE, wxSizeEventHandler(CharButton::OnSize));
Connect(wxEVT_IDLE,
wxIdleEventHandler(CharButton::OnIdle), NULL, this);
wxBoxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
m_buttonText = new wxStaticText(this, -1, wxString(m_char));
sizer->AddStretchSpacer(1);
sizer->Add(m_buttonText, 0, wxALIGN_CENTER_VERTICAL);
sizer->AddStretchSpacer(1);
SetSizer(sizer);
FitInside();
SetToolTip(def.description);
Connect(wxEVT_LEFT_UP, wxCommandEventHandler(CharButton::CharButtonPressed), NULL, this);
Connect(wxEVT_RIGHT_DOWN, wxMouseEventHandler(CharButton::ForwardToParent), NULL, this);
Connect(wxEVT_IDLE, wxIdleEventHandler(CharButton::OnIdle), NULL, this);
Connect(wxEVT_ENTER_WINDOW, wxMouseEventHandler(CharButton::MouseOverPanel), NULL, this);
Connect(wxEVT_LEAVE_WINDOW, wxMouseEventHandler(CharButton::MouseLeftPanel), NULL, this);
m_buttonText->Connect(wxEVT_ENTER_WINDOW, wxMouseEventHandler(CharButton::MouseOverText), NULL, this);
m_buttonText->Connect(wxEVT_LEAVE_WINDOW, wxMouseEventHandler(CharButton::MouseLeftText), NULL, this);
m_buttonText->Connect(wxEVT_LEFT_UP, wxCommandEventHandler(CharButton::CharButtonPressed), NULL, this);
m_buttonText->Connect(wxEVT_RIGHT_DOWN, wxMouseEventHandler(CharButton::ForwardToParent), NULL, this);
}
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