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fix(l2): quick panel stalled and tore when pulled; GPS sky plot cut off

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The panel froze and dimmed the screen as the finger started: a snapshot of
the whole screen (slow on the map) and a full-screen flush, so it stalled,
jumped and tore top to bottom. Now it slides opaque over the live screen
(a clear layer under it still takes the tap that closes it), built at start.
Its slide is timed by its own frames, at most 30 ms a frame: a slow frame
ended the 160 ms lv_anim and the panel just appeared.

The sky plot on GPS > Sky was a fixed 168 px, taller than what is left
under the title bar and tabs: now it takes that height.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-10-14 23:24:52 +02:00
co-authored by Claude Opus 5.5
parent 743500761a
commit b17f97c71f
3 changed files with 57 additions and 22 deletions
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examples/companion_radio/ui-lvgl/GpsScreen.h
+8 -3
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@@ -34,7 +34,7 @@ static lv_obj_t *s_quality = nullptr, *s_pos = nullptr, *s_grid = nullptr, *s_al
*s_speed = nullptr, *s_course = nullptr, *s_hdop = nullptr, *s_vdop = nullptr,
*s_pdop = nullptr, *s_cn0 = nullptr, *s_best = nullptr, *s_nmea = nullptr, *s_rx = nullptr;
static lv_obj_t *s_d_fix = nullptr, *s_d_ttff = nullptr, *s_d_search = nullptr, *s_d_utc = nullptr;
static const int SKY = 168;
static const int SKY = 168; // the plot at most; less when the screen under the tabs is shorter
static const int BAR_PITCH = 26, BAR_W = 16, BARS_H = 120, AXIS_W = 22;
// Snapshot the screen draws from, sorted: used first, then by signal.
@@ -108,7 +108,7 @@ static void onGpsSkyDraw(lv_event_t* e) {
lv_area_t a;
lv_obj_get_coords(o, &a);
int32_t cx = (a.x1 + a.x2) / 2, cy = (a.y1 + a.y2) / 2;
int32_t r = SKY / 2 - 10;
int32_t r = lv_area_get_height(&a) / 2 - 10;
lv_draw_arc_dsc_t arc;
lv_draw_arc_dsc_init(&arc);
@@ -275,7 +275,12 @@ void UITask::buildGps() {
styleSurface(s_sky, theme::BG);
lv_obj_remove_flag(s_sky, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_remove_flag(s_sky, LV_OBJ_FLAG_CLICKABLE);
lv_obj_set_size(s_sky, SKY, SKY);
{ // as tall as is left under the tabs
layoutNow(body);
int32_t h = lv_obj_get_content_height(body) - theme::TAB_H - lv_obj_get_style_pad_row(body, LV_PART_MAIN);
if (h > SKY) h = SKY;
lv_obj_set_size(s_sky, h, h);
}
lv_obj_add_event_cb(s_sky, onGpsSkyDraw, LV_EVENT_DRAW_MAIN_END, NULL);
lv_obj_t* col = lv_obj_create(top);