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Step 173: theme gallery UI

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Bill
2026-02-09 21:47:52 -07:00
parent 97e8fde22a
commit c3a5f45dc6
7 changed files with 194 additions and 28 deletions
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39
editor/src/ThemeEngine.h
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@@ -136,14 +136,7 @@ public:
ImU32 getColor(ThemeColor color, ImU32 fallback) const {
const ThemeDefinition* theme = currentTheme();
if (!theme) return fallback;
const std::string key = colorKey(color);
if (key.empty()) return fallback;
if (isSyntaxColor(color)) {
auto it = theme->syntaxColors.find(key);
return it != theme->syntaxColors.end() ? it->second : fallback;
}
auto it = theme->editorColors.find(key);
return it != theme->editorColors.end() ? it->second : fallback;
return colorFromTheme(*theme, color, fallback);
}
std::string currentThemeName() const {
@@ -166,6 +159,16 @@ public:
return it != theme->editorColors.end() ? it->second : fallback;
}
bool getSwatch(const std::string& name, ImU32 outColors[4]) const {
const ThemeDefinition* theme = findThemeByName(name);
if (!theme) return false;
outColors[0] = colorFromTheme(*theme, ThemeColor::EditorBg, IM_COL32(30, 30, 30, 255));
outColors[1] = colorFromTheme(*theme, ThemeColor::SyntaxKeyword, IM_COL32(197, 134, 192, 255));
outColors[2] = colorFromTheme(*theme, ThemeColor::SyntaxString, IM_COL32(206, 145, 120, 255));
outColors[3] = colorFromTheme(*theme, ThemeColor::SyntaxComment, IM_COL32(106, 153, 85, 255));
return true;
}
bool refreshWatchedThemes() {
namespace fs = std::filesystem;
bool reloaded = false;
@@ -209,6 +212,13 @@ private:
return &themes_[current_];
}
const ThemeDefinition* findThemeByName(const std::string& name) const {
for (const auto& theme : themes_) {
if (theme.name == name) return &theme;
}
return nullptr;
}
static bool parseHexColor(const std::string& text,
ImU32& outU32,
ImVec4& outVec) {
@@ -351,6 +361,19 @@ private:
}
}
static ImU32 colorFromTheme(const ThemeDefinition& theme,
ThemeColor color,
ImU32 fallback) {
const std::string key = colorKey(color);
if (key.empty()) return fallback;
if (isSyntaxColor(color)) {
auto it = theme.syntaxColors.find(key);
return it != theme.syntaxColors.end() ? it->second : fallback;
}
auto it = theme.editorColors.find(key);
return it != theme.editorColors.end() ? it->second : fallback;
}
std::vector<ThemeDefinition> themes_;
std::vector<std::string> watchedDirs_;
std::unordered_map<std::string, std::filesystem::file_time_type> fileTimes_;