Justin Mitchell
4c5fd653c0
Display a Bluetooth icon in the status bar when BLE is connected. Also optimize memory management by lending the framebuffer instead of immediately tearing down BLE when heap is low, allowing BLE to remain active during rendering.
255 lines
12 KiB
C++
255 lines
12 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <functional>
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#include <string>
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#include <vector>
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class GfxRenderer;
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struct RecentBook;
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struct Rect {
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int x;
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int y;
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int width;
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int height;
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explicit Rect(int x = 0, int y = 0, int width = 0, int height = 0) : x(x), y(y), width(width), height(height) {}
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};
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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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struct ThemeMetrics {
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int batteryWidth;
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int batteryHeight;
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int topPadding;
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int batteryBarHeight;
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int headerHeight;
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int verticalSpacing;
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int previewPadding;
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int previewHeightPercent;
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int contentSidePadding;
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int listRowHeight;
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int listWithSubtitleRowHeight;
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int menuRowHeight;
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int menuSpacing;
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int tabSpacing;
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int tabBarHeight;
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int scrollBarWidth;
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int scrollBarRightOffset;
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int homeTopPadding;
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int homeCoverHeight;
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int homeCoverTileHeight;
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int homeRecentBooksCount;
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bool homeContinueReadingInMenu;
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int homeMenuTopOffset;
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int buttonHintsHeight;
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int sideButtonHintsWidth;
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int progressBarHeight;
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int progressBarMarginTop;
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int statusBarHorizontalMargin;
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int statusBarVerticalMargin;
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int keyboardKeyWidth;
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int keyboardKeyHeight;
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int keyboardKeySpacing;
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int keyboardBottomKeyHeight;
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int keyboardBottomKeySpacing;
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bool keyboardBottomAligned;
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bool keyboardCenteredText;
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int keyboardVerticalOffset;
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int keyboardTextFieldWidthPercent;
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int keyboardWidthPercent;
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int keyboardKeyCornerRadius;
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bool keyboardFillUnselected;
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bool keyboardOutlineAllUnselected;
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bool keyboardDrawSpecialOutlineWhenUnselected;
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int keyboardSecondaryLabelRightPadding;
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int keyboardSecondaryLabelTopPadding;
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int keyboardMinArrowHeadSize;
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float popupTopOffsetRatio;
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int popupMarginX;
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int popupMarginY;
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int popupFrameThickness;
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int popupCornerRadius;
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bool popupTextBold;
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bool popupTextInverted;
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int popupTextBaselineOffsetY;
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int popupProgressBarHeight;
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bool popupProgressDrawOutline;
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bool popupProgressClampPercent;
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bool popupProgressFillInverted;
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bool popupProgressOutlineInverted;
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int optionPopupItemSpacing;
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int optionPopupInnerPadding;
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int optionPopupSelectionHPadding;
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int optionPopupSelectionVPadding;
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int optionPopupTitleGap;
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bool optionPopupUseSmallFont;
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bool optionPopupOptionFontBold;
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int optionPopupSelectionRadius;
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bool optionPopupSelectionLight;
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bool optionPopupDrawAllRows;
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int optionPopupDialogSideMargin;
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bool optionPopupTitleSeparator;
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int textFieldHorizontalPadding;
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int textFieldNormalThickness;
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int textFieldCursorThickness;
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int textFieldLineEndOffset;
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};
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enum UIIcon { None = 0, Folder, Text, Image, Book, File, Recent, Settings, Transfer, Library, Wifi, Hotspot, Bookmark };
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enum class KeyboardKeyType { Normal, Shift, Mode, Space, Del, Ok, Disabled };
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// Default theme implementation (Classic Theme)
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// Additional themes can inherit from this and override methods as needed
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namespace BaseMetrics {
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constexpr ThemeMetrics values = {.batteryWidth = 15,
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.batteryHeight = 12,
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.topPadding = 5,
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.batteryBarHeight = 20,
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.headerHeight = 45,
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.verticalSpacing = 10,
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.previewPadding = 12,
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.previewHeightPercent = 30,
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.contentSidePadding = 20,
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.listRowHeight = 30,
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.listWithSubtitleRowHeight = 50,
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.menuRowHeight = 45,
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.menuSpacing = 8,
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.tabSpacing = 10,
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.tabBarHeight = 50,
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.scrollBarWidth = 4,
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.scrollBarRightOffset = 5,
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.homeTopPadding = 40,
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.homeCoverHeight = 400,
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.homeCoverTileHeight = 400,
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.homeRecentBooksCount = 1,
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.homeContinueReadingInMenu = false,
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.homeMenuTopOffset = 10,
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.buttonHintsHeight = 40,
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.sideButtonHintsWidth = 30,
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.progressBarHeight = 16,
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.progressBarMarginTop = 1,
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.statusBarHorizontalMargin = 5,
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.statusBarVerticalMargin = 19,
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.keyboardKeyWidth = 22,
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.keyboardKeyHeight = 40,
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.keyboardKeySpacing = 0,
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.keyboardBottomKeyHeight = 35,
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.keyboardBottomKeySpacing = 5,
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.keyboardBottomAligned = true,
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.keyboardCenteredText = false,
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.keyboardVerticalOffset = -13,
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.keyboardTextFieldWidthPercent = 85,
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.keyboardWidthPercent = 90,
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.keyboardKeyCornerRadius = 0,
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.keyboardFillUnselected = false,
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.keyboardOutlineAllUnselected = false,
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.keyboardDrawSpecialOutlineWhenUnselected = true,
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.keyboardSecondaryLabelRightPadding = 1,
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.keyboardSecondaryLabelTopPadding = 0,
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.keyboardMinArrowHeadSize = 0,
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.popupTopOffsetRatio = 0.075f,
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.popupMarginX = 15,
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.popupMarginY = 15,
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.popupFrameThickness = 2,
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.popupCornerRadius = 0,
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.popupTextBold = true,
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.popupTextInverted = true,
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.popupTextBaselineOffsetY = -2,
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.popupProgressBarHeight = 4,
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.popupProgressDrawOutline = false,
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.popupProgressClampPercent = false,
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.popupProgressFillInverted = true,
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.popupProgressOutlineInverted = true,
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.optionPopupItemSpacing = 6,
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.optionPopupInnerPadding = 16,
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.optionPopupSelectionHPadding = 8,
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.optionPopupSelectionVPadding = 4,
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.optionPopupTitleGap = 10,
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.optionPopupUseSmallFont = true,
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.optionPopupOptionFontBold = true,
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.optionPopupSelectionRadius = 0,
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.optionPopupSelectionLight = false,
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.optionPopupDrawAllRows = false,
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.optionPopupDialogSideMargin = 20,
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.optionPopupTitleSeparator = true,
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.textFieldHorizontalPadding = 6,
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.textFieldNormalThickness = 1,
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.textFieldCursorThickness = 3,
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.textFieldLineEndOffset = 0};
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}
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class BaseTheme {
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public:
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virtual ~BaseTheme() = default;
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// Component drawing methods
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void drawProgressBar(const GfxRenderer& renderer, Rect rect, size_t current, size_t total) const;
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void drawBatteryLeft(const GfxRenderer& renderer, Rect rect,
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bool showPercentage = true) const; // Left aligned (reader mode)
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void drawBatteryRight(const GfxRenderer& renderer, Rect rect,
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bool showPercentage = true) const; // Right aligned (UI headers)
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virtual void fillBatteryIcon(const GfxRenderer& renderer, Rect rect, uint16_t percentage) const;
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virtual void drawButtonHints(GfxRenderer& renderer, const char* btn1, const char* btn2, const char* btn3,
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const char* btn4) const;
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virtual void drawSideButtonHints(const GfxRenderer& renderer, const char* topBtn, const char* bottomBtn) const;
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virtual int getListPageItems(int contentHeight, bool hasSubtitle) const;
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virtual void drawList(const GfxRenderer& renderer, Rect rect, int itemCount, int selectedIndex,
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const std::function<std::string(int index)>& rowTitle,
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const std::function<std::string(int index)>& rowSubtitle = nullptr,
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const std::function<UIIcon(int index)>& rowIcon = nullptr,
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const std::function<std::string(int index)>& rowValue = nullptr, bool highlightValue = false,
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const std::function<bool(int index)>& rowDimmed = nullptr) const;
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virtual void drawHeader(const GfxRenderer& renderer, Rect rect, const char* title,
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const char* subtitle = nullptr) const;
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virtual void drawSubHeader(const GfxRenderer& renderer, Rect rect, const char* label,
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const char* rightLabel = nullptr) const;
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virtual void drawTabBar(const GfxRenderer& renderer, Rect rect, const std::vector<TabInfo>& tabs,
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bool selected) const;
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virtual void drawRecentBookCover(GfxRenderer& renderer, Rect rect, const std::vector<RecentBook>& recentBooks,
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const int selectorIndex, bool& coverRendered, bool& coverBufferStored,
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bool& bufferRestored, std::function<bool()> storeCoverBuffer) const;
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virtual void drawButtonMenu(GfxRenderer& renderer, Rect rect, int buttonCount, int selectedIndex,
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const std::function<std::string(int index)>& buttonLabel,
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const std::function<UIIcon(int index)>& rowIcon) const;
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virtual Rect drawPopup(const GfxRenderer& renderer, const char* message) const;
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virtual void drawOptionPopup(const GfxRenderer& renderer, const char* title, const std::vector<std::string>& options,
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int selectedIndex) const;
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virtual void fillPopupProgress(const GfxRenderer& renderer, const Rect& layout, const int progress) const;
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void drawStatusBar(GfxRenderer& renderer, const float bookProgress, const int currentPage, const int pageCount,
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std::string title, const int paddingBottom = 0, const int textYOffset = 0,
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const bool fillMargin = true, const bool isPageBookmarked = false,
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const bool pageCountEstimated = false, const bool bluetoothConnected = false) const;
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void drawHelpText(const GfxRenderer& renderer, Rect rect, const char* label) const;
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virtual void drawTextField(const GfxRenderer& renderer, Rect rect, const int textWidth, bool cursorMode = false,
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int contentStartX = 0, int contentWidth = 0) const;
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virtual void drawKeyboardKey(const GfxRenderer& renderer, Rect rect, const char* label, const bool isSelected,
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const char* secondaryLabel = nullptr, KeyboardKeyType keyType = KeyboardKeyType::Normal,
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bool inactiveSelection = false) const;
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virtual bool showsFileIcons() const { return false; }
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// Shared constants and helpers for battery drawing (used by all themes)
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static constexpr int batteryPercentSpacing = 4;
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static void drawBatteryOutline(const GfxRenderer& renderer, int x, int y, int battWidth, int rectHeight);
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static void drawBatteryLightningBolt(const GfxRenderer& renderer, int boltX, int boltY);
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};
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