115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
#include "XtcReaderChapterSelectionActivity.h"
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#include <GfxRenderer.h>
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#include <I18n.h>
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#include <algorithm>
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#include "MappedInputManager.h"
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#include "components/UITheme.h"
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#include "fontIds.h"
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int XtcReaderChapterSelectionActivity::getPageItems() const {
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constexpr int lineHeight = 30;
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const Rect contentRect = UITheme::getContentRect(renderer, true, false);
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constexpr int startY = 60;
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const int availableHeight = contentRect.height - startY - lineHeight;
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// Clamp to at least one item to prevent empty page math.
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return std::max(1, availableHeight / lineHeight);
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}
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int XtcReaderChapterSelectionActivity::findChapterIndexForPage(uint32_t page) const {
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if (!xtc) {
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return 0;
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}
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const auto& chapters = xtc->getChapters();
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for (size_t i = 0; i < chapters.size(); i++) {
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if (page >= chapters[i].startPage && page <= chapters[i].endPage) {
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return static_cast<int>(i);
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}
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}
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return 0;
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}
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void XtcReaderChapterSelectionActivity::onEnter() {
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Activity::onEnter();
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if (!xtc) {
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return;
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}
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selectorIndex = findChapterIndexForPage(currentPage);
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requestUpdate();
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}
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void XtcReaderChapterSelectionActivity::onExit() { Activity::onExit(); }
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void XtcReaderChapterSelectionActivity::loop() {
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if (!xtc) {
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return;
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}
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const int pageItems = getPageItems();
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const int totalItems = static_cast<int>(xtc->getChapters().size());
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ButtonEventManager::ButtonEvent ev;
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while (buttonEvents.consumeEvent(ev)) {
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if (ev.button == MappedInputManager::Button::Confirm && ev.type == ButtonEventManager::PressType::Short) {
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const auto& chapters = xtc->getChapters();
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if (!chapters.empty() && selectorIndex >= 0 && selectorIndex < static_cast<int>(chapters.size())) {
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setResult(PageResult{chapters[selectorIndex].startPage});
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finish();
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}
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return;
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}
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if (ev.button == MappedInputManager::Button::Back && ev.type == ButtonEventManager::PressType::Short) {
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ActivityResult result;
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result.isCancelled = true;
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setResult(std::move(result));
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finish();
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return;
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}
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}
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buttonNavigator.onNextList(selectorIndex, totalItems, [this] { requestUpdate(); });
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buttonNavigator.onPreviousList(selectorIndex, totalItems, [this] { requestUpdate(); });
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}
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void XtcReaderChapterSelectionActivity::render(RenderLock&&) {
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renderer.clearScreen();
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const Rect contentRect = UITheme::getContentRect(renderer, true, false);
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const int pageItems = getPageItems();
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const int titleX =
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contentRect.x +
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(contentRect.width - renderer.getTextWidth(UI_12_FONT_ID, tr(STR_SELECT_CHAPTER), EpdFontFamily::BOLD)) / 2;
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renderer.drawText(UI_12_FONT_ID, titleX, contentRect.y + 15, tr(STR_SELECT_CHAPTER), true, EpdFontFamily::BOLD);
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const auto& chapters = xtc->getChapters();
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if (chapters.empty()) {
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const int emptyX =
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contentRect.x + (contentRect.width - renderer.getTextWidth(UI_10_FONT_ID, tr(STR_NO_CHAPTERS))) / 2;
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renderer.drawText(UI_10_FONT_ID, emptyX, contentRect.y + 120, tr(STR_NO_CHAPTERS));
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renderer.displayBuffer();
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return;
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}
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const auto pageStartIndex = selectorIndex / pageItems * pageItems;
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renderer.fillRect(contentRect.x, contentRect.y + 60 + (selectorIndex % pageItems) * 30 - 2, contentRect.width - 1,
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30);
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for (int i = pageStartIndex; i < static_cast<int>(chapters.size()) && i < pageStartIndex + pageItems; i++) {
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const auto& chapter = chapters[i];
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const char* title = chapter.name.empty() ? tr(STR_UNNAMED) : chapter.name.c_str();
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renderer.drawText(UI_10_FONT_ID, contentRect.x + 20, contentRect.y + 60 + (i % pageItems) * 30, title,
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i != selectorIndex);
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}
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), tr(STR_SELECT), tr(STR_DIR_UP), tr(STR_DIR_DOWN));
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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renderer.displayBuffer();
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}
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