112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/*
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* =====================================================================================
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*
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* OpenMiner
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*
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* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
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* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
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*
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* This file is part of OpenMiner.
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*
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* OpenMiner is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* OpenMiner is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* =====================================================================================
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*/
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#include "Config.hpp"
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#include "SliderWidget.hpp"
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SliderWidget::SliderWidget(Widget *parent) : SliderWidget(200, parent) {
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}
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SliderWidget::SliderWidget(u16 width, Widget *parent) : Widget(width, 20, parent) {
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m_text.setColor(m_defaultTextColor);
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m_text.setShadowColor({56, 56, 56});
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m_slider.setClipRect(0, 66, 8, 20);
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m_background.setClipRect(0, 46, width, 20);
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m_sliderBorder.setClipRect(200 - 2, 66, 2, 20);
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m_backgroundBorder.setClipRect(200 - 2, 46, 2, 20);
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m_sliderBorder.setPosition(8 - 2, 0);
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m_backgroundBorder.setPosition(width - 2, 0);
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}
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void SliderWidget::onEvent(const SDL_Event &event) {
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if (event.type == SDL_MOUSEMOTION) {
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if (m_isDragging || isPointInWidget(event.motion.x, event.motion.y)) {
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m_text.setColor(m_hoverColor);
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updatePercentage(event.motion.x);
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}
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else
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m_text.setColor(m_defaultTextColor);
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if (m_isDragging)
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m_callback(*this, event.type);
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}
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else if (event.type == SDL_MOUSEBUTTONDOWN && event.button.button == SDL_BUTTON_LEFT) {
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m_isDragging = isPointInWidget(event.button.x, event.button.y);
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updatePercentage(event.button.x);
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if (m_isDragging)
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m_callback(*this, event.type);
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}
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else if (event.type == SDL_MOUSEBUTTONUP && event.button.button == SDL_BUTTON_LEFT) {
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if (m_isDragging)
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m_callback(*this, event.type);
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m_isDragging = false;
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}
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}
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void SliderWidget::setCurrentValue(int currentValue) {
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m_percentage = (currentValue - m_min) / float(m_max - m_min);
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updateSliderPosition();
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}
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void SliderWidget::setText(const std::string &text) {
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m_text.setString(text);
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m_text.updateVertexBuffer();
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m_text.setPosition(m_width / 2 - m_text.getSize().x / 2,
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m_height / 2 - m_text.getSize().y / 2, 0);
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}
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void SliderWidget::updatePercentage(s32 mouseX) {
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if (m_isDragging) {
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m_percentage = (mouseX - getGlobalBounds().x) / Config::guiScale / m_width;
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m_percentage = std::clamp(m_percentage, 0.f, 1.f);
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updateSliderPosition();
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}
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}
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void SliderWidget::updateSliderPosition() {
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m_slider.setPosition(m_percentage * (m_width - 8), 0);
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m_sliderBorder.setPosition(m_percentage * (m_width - 8) + 6, 0);
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}
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void SliderWidget::draw(gk::RenderTarget &target, gk::RenderStates states) const {
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states.transform *= getTransform();
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target.draw(m_background, states);
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target.draw(m_backgroundBorder, states);
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target.draw(m_slider, states);
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target.draw(m_sliderBorder, states);
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target.draw(m_text, states);
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}
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