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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* tabbutton.cc
*
* Thu Nov 24 18:52:26 CET 2016
* Copyright 2016 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "tabbutton.h"
#include "painter.h"
namespace GUI
{
TabButton::TabButton(Widget* parent, Widget* tab_widget)
: ButtonBase(parent)
, tab_widget(tab_widget)
{
CONNECT(this, clickNotifier, this, &TabButton::clickHandler);
}
TabButton::~TabButton()
{
}
Widget* TabButton::getTabWidget()
{
return tab_widget;
}
std::size_t TabButton::getMinimalWidth() const
{
std::size_t padding = 15;
auto font_width = font.textWidth(text);
return font_width + padding;
}
std::size_t TabButton::getMinimalHeight() const
{
std::size_t padding = 10;
auto font_height= font.textHeight(text);
return font_height + padding;
}
void TabButton::setActive(bool active)
{
this->active = active;
if (active) {
draw_state = State::Down;
}
else {
draw_state = State::Up;
}
redraw();
}
void TabButton::repaintEvent(RepaintEvent* e)
{
Painter p(*this);
int padTop = 3;
int padLeft = 0;
int padTextTop = 3;
int w = width();
int h = height();
if(w == 0 || h == 0)
{
return;
}
if (draw_state == State::Up && !active) {
tab_passive.setSize(w - padLeft, h - padTop);
p.drawImage(padLeft, padTop, tab_passive);
}
else {
tab_active.setSize(w - padLeft, h - padTop);
p.drawImage(padLeft, padTop, tab_active);
}
auto x = padLeft + (width() - font.textWidth(text)) / 2;
auto y = padTop + padTextTop + font.textHeight(text);
p.drawText(x, y, font, text, true);
}
void TabButton::scrollEvent(ScrollEvent* scroll_event)
{
scrollNotifier(scroll_event->delta);
}
void TabButton::clickHandler()
{
switchTabNotifier(tab_widget);
}
} // GUI::
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