110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
#include "ui/scrollable_text.hpp"
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#include "app.hpp"
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#include "ui/nvg_util.hpp"
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#include "log.hpp"
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#include <cstring>
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namespace sphaira::ui {
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ScrollableText::ScrollableText(const std::string& text, float x, float y, float y_clip, float w, float font_size)
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: m_font_size{font_size}
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, m_y_off_base{y}
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, m_clip_y{y_clip}
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, m_end_w{w}
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, m_y_off{y}
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{
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SetActions(
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std::make_pair(Button::LS_DOWN, Action{[this](){
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const auto bound = m_bounds[3];
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if (bound < m_clip_y) {
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return;
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}
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const auto a = m_y_off_base + m_clip_y;
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const auto norm = m_bounds[3] - m_bounds[1];
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const auto b = m_y_off + norm;
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if (b <= a) {
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return;
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}
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m_y_off -= m_step;
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m_index++;
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App::PlaySoundEffect(SoundEffect_Scroll);
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}}),
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std::make_pair(Button::LS_UP, Action{[this](){
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if (m_y_off == m_y_off_base) {
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return;
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}
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m_y_off += m_step;
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m_index--;
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App::PlaySoundEffect(SoundEffect_Scroll);
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}})
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);
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#if 1
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// converts '\''n' to '\n' without including <regex> because it bloats
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// the binary by over 400 KiB lol
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const auto mini_regex = [](std::string_view str, std::string_view regex, std::string_view replace) -> std::string {
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std::string out;
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out.reserve(str.size());
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u32 i{};
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while (i < str.size()) {
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if ((i + regex.size()) <= str.size() && !std::memcmp(str.data() + i, regex.data(), regex.size())) {
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out.append(replace.data(), replace.size());
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i += regex.size();
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} else {
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out.push_back(str[i]);
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i++;
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}
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}
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return out;
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};
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m_text = mini_regex(text, "\r", "");
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m_text = mini_regex(m_text, "\\n", "\n");
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#else
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m_text = std::regex_replace(text, std::regex("\\\\n"), "\n");
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#endif
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if (m_text.size() > 4096) {
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m_text.resize(4096);
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m_text += "...";
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}
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nvgFontSize(App::GetVg(), m_font_size);
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nvgTextLineHeight(App::GetVg(), 1.7);
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nvgTextBoxBounds(App::GetVg(), 110.0F, m_y_off_base, m_end_w, m_text.c_str(), nullptr, m_bounds);
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// log_write("bounds x: %.2f y: %.2f w: %.2f h: %.2f\n", m_bounds[0], m_bounds[1], m_bounds[2], m_bounds[3]);
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}
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// void ScrollableText::Update(Controller* controller, TouchInfo* touch) {
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// }
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void ScrollableText::Draw(NVGcontext* vg, Theme* theme) {
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Widget::Draw(vg, theme);
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const Vec4 line_vec(30, 86, 1220, 646);
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// const Vec4 banner_vec(70, line_vec.y + 20, 848.f, 208.f);
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const Vec4 banner_vec(70, line_vec.y + 20, m_end_w + (110.0F), 208.f);
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// only draw scrollbar if needed
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if ((m_bounds[3] - m_bounds[1]) > m_clip_y) {
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const auto scrollbar_size = m_clip_y;
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const auto max_index = (m_bounds[3] - m_bounds[1]) / m_step;
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const auto sb_h = 1.f / max_index * scrollbar_size;
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const auto in_clip = m_clip_y / m_step - 1;
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const auto sb_y = m_index;
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gfx::drawRect(vg, banner_vec.w, m_y_off_base, 10, scrollbar_size, theme->GetColour(ThemeEntryID_SCROLLBAR_BACKGROUND));
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gfx::drawRect(vg, banner_vec.w+2, m_y_off_base + sb_h * sb_y, 10-4, sb_h + (sb_h * in_clip) - 4, theme->GetColour(ThemeEntryID_SCROLLBAR));
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}
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nvgSave(vg);
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nvgIntersectScissor(vg, 0, m_y_off_base - m_font_size, 1280, m_clip_y + m_font_size); // clip
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nvgTextLineHeight(App::GetVg(), 1.7);
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gfx::drawTextBox(vg, banner_vec.x + 40, m_y_off, m_font_size, m_bounds[2] - m_bounds[0], theme->GetColour(ThemeEntryID_TEXT), m_text.c_str());
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nvgRestore(vg);
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}
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} // namespace sphaira::ui
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