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UI: seven themes, each dark and light, chosen in the Settings

Browse Source 
Settings > Theme and Settings > Light or dark pick the colours of every
screen (issue #10): roro9stack (the website's, the default), Catppuccin,
Dracula, Nord, ANSI terminal, Gruvbox and Solarized.

- A palette is 14 roles (lib/ui/src/palette.h). theme::kText and the
  others are now references into the one in use, so the Apps are
  unchanged; the main loop applies it when a Setting changes.
- Every colour is one the RGB332 frame buffer holds exactly: the themes'
  own were rounded, and those that fell together or lost contrast were
  picked by hand. test_palette checks exactness and 18 contrast ratios
  for each palette.
- The Sky view's constellation colours come from the theme.
- `theme [0-6] [light|dark]` on the consoles.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0162FokPdvY2KsS4NBfwyWPk
This commit is contained in:
twisla
2026-10-10 00:11:52 +02:00
co-authored by Claude Opus 5.5
parent 10627e6e18
commit 37335b4829
17 changed files with 336 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main.cpp
+19 -1
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@@ -193,6 +193,7 @@ void setup() {
Serial.begin(115200);
settings.load();
theme::apply(ui::palette(settings.getInt(Setting::Theme), settings.getBool(Setting::ThemeLight)));
if (safeMode) return setupSafeMode(crashes);
battery = new BatteryService(bus);
@@ -694,7 +695,7 @@ static const char* const kHelp =
"irc start | irc stop | irc dump | irc say <buffer> <text>\n"
"install <path.ota> Update from SD\n"
"update check | update list | update status | update install <tag> the project's releases on Gitea\n"
"sd card | sd list | cat <path> | log <text> | burst | sound on|off | short | normal\n"
"sd card | sd list | cat <path> | log <text> | burst | sound on|off | theme [0-6] [light|dark] | short | normal\n"
"Irc | Wifi | Gnss | Gemini | Lora | Storage | Notes | Shell | System | Settings open that App: a capital letter is an App, not a command\n"
"ping <host> [count] [size] | nslookup <name> [server] | port <host> <port> | traceroute <host> | cancel is it there, does its name resolve, is its port open, which way; one at a time\n"
"tls <host> [port] | ntp [server] a TLS handshake: who the certificate is for, by whom, until when, and whether this device trusts it; a time server's clock against this one\n"
@@ -1328,6 +1329,14 @@ static void runCommand(String line, bool fromSerial = false) {
settings.setBool(Setting::DnsAlways, line.endsWith("on"));
wifi->serversChanged();
}
if (line == "theme" || line.startsWith("theme ")) { // theme [0-6] [light|dark]
std::string rest = line.length() > 6 ? line.substring(6).c_str() : "";
if (!rest.empty() && isdigit(static_cast<unsigned char>(rest[0]))) settings.setInt(Setting::Theme, rest[0] - '0');
if (rest.find("light") != std::string::npos) settings.setBool(Setting::ThemeLight, true);
if (rest.find("dark") != std::string::npos) settings.setBool(Setting::ThemeLight, false);
for (int t = 0; t < ui::kThemeCount; ++t)
console.printf("theme: %d %s%s\n", t, ui::themeName(t), t == settings.getInt(Setting::Theme) ? (settings.getBool(Setting::ThemeLight) ? " (light)" : " (dark)") : "");
}
if (line == "sound off") settings.setBool(Setting::Sound, false);
if (line == "sound on") settings.setBool(Setting::Sound, true);
if (line == "short") {
@@ -1567,6 +1576,15 @@ static void loopPass() {
StatusInfo status = currentStatus();
const Toast* toast = notifier->toasts().current(now);
bool toastChanged = notifier->toasts().takeChanged();
// The theme, when the Settings (or the `theme` command) changed it: every colour is drawn again.
static int shownTheme = settings.getInt(Setting::Theme) * 2 + settings.getBool(Setting::ThemeLight);
int wantedTheme = settings.getInt(Setting::Theme) * 2 + settings.getBool(Setting::ThemeLight);
if (wantedTheme != shownTheme) {
shownTheme = wantedTheme;
theme::apply(ui::palette(wantedTheme / 2, wantedTheme % 2));
screen.invalidate();
redrawAfterUpdate = true;
}
if (apps->takeRedraw() || toastChanged || status != lastStatus || redrawAfterUpdate) {
lastStatus = status;
redrawAfterUpdate = false;