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feat(l2): light theme

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Settings > Display > Theme: Dark / Light (NVS mc_ui/light). The colour
tokens are set once before anything is built, so a change restarts the
device. Text on an accent fill is the new ON_ACCENT (it was BG, white
in the light theme); each accent has a deeper hand-picked light variant
that reads on white and takes white text. The map's empty-tile fill and
grid and the areas' outlines follow the theme too.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-10-14 22:55:47 +02:00
co-authored by Claude Opus 5.5
parent e5a55c3b1f
commit 76e96f7eaa
15 changed files with 82 additions and 50 deletions
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examples/companion_radio/ui-lvgl/Widgets.h
+7 -7
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@@ -972,7 +972,7 @@ static lv_obj_t* segmented(lv_obj_t* parent, const char** map, int sel, int w, i
lv_obj_set_style_bg_color(m, lv_color_hex(item), LV_PART_ITEMS);
lv_obj_set_style_bg_color(m, lv_color_hex(theme::ACCENT), LV_PART_ITEMS | LV_STATE_CHECKED);
lv_obj_set_style_text_color(m, lv_color_hex(theme::TEXT), LV_PART_ITEMS);
lv_obj_set_style_text_color(m, lv_color_hex(theme::BG), LV_PART_ITEMS | LV_STATE_CHECKED);
lv_obj_set_style_text_color(m, lv_color_hex(theme::ON_ACCENT), LV_PART_ITEMS | LV_STATE_CHECKED);
lv_obj_set_style_text_font(m, THEME_FONT_SMALL, LV_PART_ITEMS);
lv_obj_set_style_shadow_width(m, 0, LV_PART_ITEMS);
lv_obj_set_style_radius(m, theme::RADIUS, LV_PART_ITEMS);
@@ -1016,16 +1016,16 @@ static void onByteCapInsert(lv_event_t* e) {
if (ins && strlen(lv_textarea_get_text(ta)) + strlen(ins) > cap) lv_textarea_set_insert_replace(ta, "");
}
// The primary action of a screen or popup: full amber, dark text (Theme.h);
// The primary action of a screen or popup: full accent, ON_ACCENT text (Theme.h);
// call after its label is made.
static void stylePrimary(lv_obj_t* b) {
lv_obj_set_style_bg_color(b, lv_color_hex(theme::ACCENT), 0);
for (uint32_t i = 0; i < lv_obj_get_child_count(b); i++)
lv_obj_set_style_text_color(lv_obj_get_child(b, i), lv_color_hex(theme::BG), 0);
lv_obj_set_style_text_color(lv_obj_get_child(b, i), lv_color_hex(theme::ON_ACCENT), 0);
}
// Something selected / on (a tab, a chip, a row): the accent with dark text,
// or back to the surface with light text. Every label under it follows.
// Something selected / on (a tab, a chip, a row): the accent with ON_ACCENT
// text, or back to the surface with TEXT. Every label under it follows.
static void textUnder(lv_obj_t* o, uint32_t col) {
for (uint32_t i = 0; i < lv_obj_get_child_count(o); i++) {
lv_obj_t* c = lv_obj_get_child(o, i);
@@ -1036,7 +1036,7 @@ static void textUnder(lv_obj_t* o, uint32_t col) {
static void styleSelected(lv_obj_t* b, bool on) {
lv_obj_set_style_bg_color(b, lv_color_hex(on ? theme::ACCENT : theme::SURFACE), 0);
lv_obj_set_style_bg_color(b, lv_color_hex(on ? theme::mix(theme::ACCENT, theme::BG, 75) : theme::SURFACE_2), LV_STATE_PRESSED);
textUnder(b, on ? theme::BG : theme::TEXT);
textUnder(b, on ? theme::ON_ACCENT : theme::TEXT);
}
// A row of equal buttons at the foot of a popup or screen: buttonBar(), then
@@ -1137,7 +1137,7 @@ static void badge(lv_obj_t* parent, int n, bool overflow) {
lv_obj_set_style_pad_hor(b, 7, 0);
lv_obj_set_style_pad_ver(b, 0, 0);
lv_obj_align(b, LV_ALIGN_RIGHT_MID, -theme::PAD, 0);
lv_obj_t* l = label(b, "", THEME_FONT_SMALL, theme::BG);
lv_obj_t* l = label(b, "", THEME_FONT_SMALL, theme::ON_ACCENT);
lv_label_set_text_fmt(l, "%d%s", n, overflow ? "+" : "");
lv_obj_center(l);
}