142 lines
4.2 KiB
C++
142 lines
4.2 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 "Events.hpp"
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#include "MenuWidget.hpp"
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MenuWidget::MenuWidget(u16 width, u16 height, Widget *parent) : Widget(parent) {
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reset(width, height);
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}
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void MenuWidget::reset(u16 width, u16 height) {
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m_width = width;
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m_height = height;
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m_buttons.clear();
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m_sliders.clear();
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Widget::m_width = 0;
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Widget::m_height = 0;
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}
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void MenuWidget::onEvent(const SDL_Event &event) {
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for (auto &it : m_buttons) {
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it.first.onEvent(event);
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if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
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updateWidgetPosition(it.first, it.second.x, it.second.y);
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}
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}
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for (auto &it : m_sliders) {
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it.first.onEvent(event);
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if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
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updateWidgetPosition(it.first, it.second.x, it.second.y);
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}
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}
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}
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void MenuWidget::onGuiScaleChanged(const GuiScaleChangedEvent &event) {
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setScale(event.guiScale, event.guiScale, 1);
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for (auto &it : m_buttons) {
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updateWidgetPosition(it.first, it.second.x, it.second.y);
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}
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for (auto &it : m_sliders) {
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updateWidgetPosition(it.first, it.second.x, it.second.y);
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}
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}
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TextButton &MenuWidget::addButton(const std::string &text, const TextButton::CppCallback &callback, u16 width) {
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int x = (m_buttons.size() + m_sliders.size()) % m_width;
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int y = (m_buttons.size() + m_sliders.size()) / m_width;
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m_buttons.emplace_back(std::piecewise_construct,
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std::forward_as_tuple(width, this), std::forward_as_tuple(x, y));
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TextButton &button = m_buttons.back().first;
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button.setText(text);
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button.setCallback(callback);
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updateWidgetPosition(button, x, y);
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return button;
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}
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void MenuWidget::setButtonEnabled(const std::string &text, bool isEnabled) {
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for (auto &it : m_buttons) {
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if (it.first.text() == text)
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it.first.setEnabled(isEnabled);
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}
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}
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SliderWidget &MenuWidget::addSlider(const std::string &text, const SliderWidget::CppCallback &callback, int min, int max, int initialValue) {
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int x = (m_buttons.size() + m_sliders.size()) % m_width;
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int y = (m_buttons.size() + m_sliders.size()) / m_width;
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m_sliders.emplace_back(std::piecewise_construct,
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std::forward_as_tuple(this), std::forward_as_tuple(x, y));
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SliderWidget &slider = m_sliders.back().first;
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slider.setText(text);
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slider.setCallback(callback);
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slider.setMinMaxValues(min, max);
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slider.setCurrentValue(initialValue);
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updateWidgetPosition(slider, x, y);
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return slider;
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}
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void MenuWidget::updateWidgetPosition(Widget &widget, int x, int y) {
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widget.setPosition(x * (widget.width() + m_horizontalSpacing),
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y * (widget.height() + m_verticalSpacing));
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if (widget.getPosition().x + widget.width() > Widget::m_width) {
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Widget::m_width = widget.getPosition().x + widget.width();
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}
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if (widget.getPosition().y + widget.height() > Widget::m_height) {
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Widget::m_height = widget.getPosition().y + widget.height();
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}
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}
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void MenuWidget::draw(gk::RenderTarget &target, gk::RenderStates states) const {
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states.transform *= getTransform();
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for (auto &it : m_buttons) {
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if (!it.first.text().empty())
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target.draw(it.first, states);
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}
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for (auto &it : m_sliders) {
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target.draw(it.first, states);
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}
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}
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