diff options
Diffstat (limited to 'plugingui/slider.cc')
| -rw-r--r-- | plugingui/slider.cc | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/plugingui/slider.cc b/plugingui/slider.cc deleted file mode 100644 index 15a82b3..0000000 --- a/plugingui/slider.cc +++ /dev/null @@ -1,217 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * slider.cc - * - * Sat Nov 26 18:10:22 CET 2011 - * Copyright 2011 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 "slider.h" - -#include "painter.h" - -#include <hugin.hpp> -#include <stdio.h> - -namespace GUI -{ - -Slider::Slider(Widget* parent) : Widget(parent) -{ - state = State::up; - - current_value = 0.0; - maximum = 1.0; - minimum = 0.0; -} - -void Slider::setValue(float new_value) -{ - current_value = new_value; - if (current_value < 0.) - { - current_value = 0.; - } - else if (current_value > 1.0) { - current_value = 1.0; - } - - redraw(); - clickNotifier(); - valueChangedNotifier(current_value); -} - -float Slider::value() const -{ - return current_value; -} - -void Slider::setColour(Colour colour) -{ - switch (colour) { - case Colour::Green: - active_inner_bar = &inner_bar_green; - break; - case Colour::Red: - active_inner_bar = &inner_bar_red; - break; - case Colour::Blue: - active_inner_bar = &inner_bar_blue; - break; - case Colour::Yellow: - active_inner_bar = &inner_bar_yellow; - break; - case Colour::Purple: - active_inner_bar = &inner_bar_purple; - break; - case Colour::Grey: - active_inner_bar = &inner_bar_grey; - break; - } - - if (enabled) { inner_bar = active_inner_bar; } -} - -void Slider::setEnabled(bool enabled) -{ - this->enabled = enabled; - - if (enabled) { - inner_bar = active_inner_bar; - } - else { - active_inner_bar = inner_bar; - inner_bar = &inner_bar_light_grey; - } - - redraw(); -} - -void Slider::repaintEvent(RepaintEvent* repaintEvent) -{ - Painter p(*this); - - auto inner_offset = (current_value / maximum) * getControlWidth(); - auto button_x = button_offset + inner_offset - (button.width() / 2); - auto button_y = (height() - button.height()) / 2; - - // draw bar - bar.setSize(width(), height()); - p.drawImage(0, 0, bar); - - // draw inner bar - inner_bar->setSize(button_x - bar_boundary, height() - 2 * bar_boundary); - p.drawImage(bar_boundary, bar_boundary, *inner_bar); - - // draw button - p.drawImage(button_x, button_y, button); -} - -void Slider::buttonEvent(ButtonEvent* buttonEvent) -{ - // Ignore everything except left clicks. - if(!enabled || buttonEvent->button != MouseButton::left) - { - return; - } - - if(buttonEvent->direction == Direction::down) - { - state = State::down; - recomputeCurrentValue(buttonEvent->x); - - redraw(); - clickNotifier(); - valueChangedNotifier(current_value); - } - - if(buttonEvent->direction == Direction::up) - { - state = State::up; - recomputeCurrentValue(buttonEvent->x); - - redraw(); - clickNotifier(); - valueChangedNotifier(current_value); - } -} - -void Slider::mouseMoveEvent(MouseMoveEvent* mouseMoveEvent) -{ - if(state == State::down) - { - recomputeCurrentValue(mouseMoveEvent->x); - - redraw(); - clickNotifier(); - valueChangedNotifier(current_value); - } -} - -void Slider::scrollEvent(ScrollEvent* scrollEvent) -{ - if (!enabled) { return; } - - current_value -= scrollEvent->delta/(float)getControlWidth(); - if (current_value < 0.) - { - current_value = 0.; - } - else if (current_value > 1.0) { - current_value = 1.0; - } - - redraw(); - clickNotifier(); - valueChangedNotifier(current_value); -} - -std::size_t Slider::getControlWidth() const -{ - if(width() < 2 * button_offset) - { - return 0; - } - - return width() - 2 * button_offset; -} - -void Slider::recomputeCurrentValue(float x) -{ - if(x < button_offset) - { - current_value = 0; - } - else - { - current_value = (x - button_offset) / getControlWidth(); - } - - if (current_value < 0.) - { - current_value = 0.; - } - else if (current_value > 1.0) { - current_value = 1.0; - } -} - -} // GUI:: |