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On ESP32-C3 with USB CDC, Serial.printf() blocks indefinitely when USB is not connected. This caused device freezes when booted without USB. Solution: Call Serial.setTxTimeoutMs(0) after Serial.begin() to make all Serial output non-blocking. Also added if (Serial) guards to high-traffic logging paths in EpubReaderActivity as belt-and-suspenders protection. Includes documentation of the debugging process and Serial call inventory. Also applies clang-format to fix pre-existing formatting issues.
61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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class GfxRenderer;
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struct TabInfo {
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const char* label;
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bool selected;
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};
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class ScreenComponents {
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public:
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static const int BOOK_PROGRESS_BAR_HEIGHT = 4;
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static void drawBattery(const GfxRenderer& renderer, int left, int top, bool showPercentage = true);
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static void drawBookProgressBar(const GfxRenderer& renderer, size_t bookProgress);
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// Draw a larger battery icon suitable for bottom button hint area
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static void drawBatteryLarge(const GfxRenderer& renderer, int left, int top, bool showPercentage = true);
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// Draw a horizontal tab bar with underline indicator for selected tab
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// Returns the height of the tab bar (for positioning content below)
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// When selectedIndex is provided, tabs scroll so the selected tab is visible
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// When showCursor is true, bullet indicators are drawn around the selected tab
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static int drawTabBar(const GfxRenderer& renderer, int y, const std::vector<TabInfo>& tabs, int selectedIndex = -1,
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bool showCursor = false);
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// Draw a scroll/page indicator on the right side of the screen
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// Shows up/down arrows and current page fraction (e.g., "1/3")
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static void drawScrollIndicator(const GfxRenderer& renderer, int currentPage, int totalPages, int contentTop,
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int contentHeight);
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/**
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* Draw a progress bar with percentage text.
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* @param renderer The graphics renderer
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* @param x Left position of the bar
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* @param y Top position of the bar
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* @param width Width of the bar
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* @param height Height of the bar
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* @param current Current progress value
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* @param total Total value for 100% progress
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*/
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static void drawProgressBar(const GfxRenderer& renderer, int x, int y, int width, int height, size_t current,
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size_t total);
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/**
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* Draw a pill-shaped badge with text.
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* @param renderer The graphics renderer
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* @param x Left position of the badge
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* @param y Top position of the badge (baseline of text)
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* @param text Text to display in the badge
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* @param fontId Font ID to use for the text
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* @param inverted If true, draw white fill with black text (for selected items)
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* @return The width of the badge drawn (for chaining multiple badges)
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*/
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static int drawPillBadge(const GfxRenderer& renderer, int x, int y, const char* text, int fontId, bool inverted);
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};
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