Justin Mitchell
e103cdfd11
Introduces uiScale() method to apply per-board UI scaling based on device type (1.0 for button devices, >1 for touch devices to make UI elements finger-sized). Adds scaledMetrics member to store scaled theme metrics that are returned by getMetrics().
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
#pragma once
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#include <EpdFontFamily.h>
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#include <functional>
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#include <memory>
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#include "CrossPointSettings.h"
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#include "components/themes/BaseTheme.h"
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class UITheme {
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// Static instance
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static UITheme instance;
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public:
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UITheme();
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static UITheme& getInstance() { return instance; }
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const ThemeMetrics& getMetrics() const { return *currentMetrics; }
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const BaseTheme& getTheme() const { return *currentTheme; }
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Rect getScreenSafeArea(const GfxRenderer& renderer, bool hasFrontButtonHints = false,
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bool hasSideButtonHints = false);
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static void drawCenteredText(const GfxRenderer& renderer, Rect screen, int fontId, int y, const char* text,
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bool black = true, EpdFontFamily::Style style = EpdFontFamily::REGULAR);
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void reload();
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void setTheme(CrossPointSettings::UI_THEME type);
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static int getNumberOfItemsPerPage(const GfxRenderer& renderer, bool hasHeader, bool hasTabBar, bool hasButtonHints,
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bool hasSubtitle, int extraReservedHeight = 0);
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static std::string getCoverThumbPath(std::string coverBmpPath, int coverHeight);
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static UIIcon getFileIcon(const std::string& filename);
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static int getStatusBarHeight();
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static int getProgressBarHeight();
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// Per-board UI scale (BoardConfig::ACTIVE.uiScale): 1.0 on button devices, >1 on
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// touch devices so chrome is finger-sized. Applied to the metrics below.
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static float uiScale();
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private:
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const ThemeMetrics* currentMetrics;
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// Scaled copy of the active theme's constexpr metrics (scaled by uiScale() in
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// setTheme()). currentMetrics points here so getMetrics() returns scaled values.
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ThemeMetrics scaledMetrics{};
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std::unique_ptr<BaseTheme> currentTheme;
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};
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// Scale a theme's pixel-dimension metrics by `scale` (counts, percents, ratios,
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// and bools are left untouched). At scale 1.0 it is an exact copy (no drift).
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// Shared by UITheme (active-theme metrics) and each theme's own draw code.
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ThemeMetrics scaleThemeMetrics(const ThemeMetrics& base, float scale);
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// Helper macro to access current theme
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#define GUI UITheme::getInstance().getTheme()
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