snark13/Xteink-X4-crosspoint-reader
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Center title on screen, then fallback to centering in available space

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Dave Allie 2026-01-21 23:02:18 +11:00
parent 6905dbd23a
commit 86cd04f855
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GPG Key ID: F2FDDB3AD8D0276F
1 changed files with 17 additions and 5 deletions
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22
src/activities/reader/EpubReaderActivity.cpp
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@ -447,10 +447,16 @@ void EpubReaderActivity::renderStatusBar(const int orientedMarginRight, const in
if (showChapterTitle) { if (showChapterTitle) {
// Centered chatper title text // Centered chatper title text
// Page width minus existing content with 30px padding on each side // Page width minus existing content with 30px padding on each side
const int rendererableScreenWidth = renderer.getScreenWidth() - orientedMarginLeft - orientedMarginRight;
const int batterySize = showBattery ? (showBatteryPercentage ? 50 : 20) : 0; const int batterySize = showBattery ? (showBatteryPercentage ? 50 : 20) : 0;
const int titleMarginLeft = batterySize + 30 + orientedMarginLeft; const int titleMarginLeft = batterySize + 30;
const int titleMarginRight = progressTextWidth + 30 + orientedMarginRight; const int titleMarginRight = progressTextWidth + 30;
const int availableTextWidth = renderer.getScreenWidth() - titleMarginLeft - titleMarginRight;
// Attempt to center title on the screen, but if title is too wide then later we will center it within the
// available space.
int titleMarginLeftAdjusted = std::max(titleMarginLeft, titleMarginRight);
int availableTitleSpace = rendererableScreenWidth - 2 * titleMarginLeftAdjusted;
const int tocIndex = epub->getTocIndexForSpineIndex(currentSpineIndex); const int tocIndex = epub->getTocIndexForSpineIndex(currentSpineIndex);
std::string title; std::string title;
@ -462,12 +468,18 @@ void EpubReaderActivity::renderStatusBar(const int orientedMarginRight, const in
const auto tocItem = epub->getTocItem(tocIndex); const auto tocItem = epub->getTocItem(tocIndex);
title = tocItem.title; title = tocItem.title;
titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str()); titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str());
while (titleWidth > availableTextWidth && title.length() > 11) { if (titleWidth > availableTitleSpace) {
// Not enough space to center on the screen, center it within the remaining space instead
availableTitleSpace = rendererableScreenWidth - titleMarginLeft - titleMarginRight;
titleMarginLeftAdjusted = titleMarginLeft;
}
while (titleWidth > availableTitleSpace && title.length() > 11) {
title.replace(title.length() - 8, 8, "..."); title.replace(title.length() - 8, 8, "...");
titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str()); titleWidth = renderer.getTextWidth(SMALL_FONT_ID, title.c_str());
} }
} }
renderer.drawText(SMALL_FONT_ID, titleMarginLeft + (availableTextWidth - titleWidth) / 2, textY, title.c_str()); renderer.drawText(SMALL_FONT_ID, titleMarginLeftAdjusted + orientedMarginLeft + (availableTitleSpace - titleWidth) / 2, textY,
title.c_str());
} }
} }