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refactor ui with ring buffer and display most recent

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This commit is contained in:
taco
2026-01-26 16:41:08 +11:00
parent e03f311e51
commit 598489be47
1 changed files with 6 additions and 8 deletions
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14
examples/companion_radio/ui-new/UITask.cpp
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@@ -458,15 +458,17 @@ class MsgPreviewScreen : public UIScreen {
};
#define MAX_UNREAD_MSGS 32
int num_unread;
int head = MAX_UNREAD_MSGS - 1; // index of latest unread message
MsgEntry unread[MAX_UNREAD_MSGS];
public:
MsgPreviewScreen(UITask* task, mesh::RTCClock* rtc) : _task(task), _rtc(rtc) { num_unread = 0; }
void addPreview(uint8_t path_len, const char* from_name, const char* msg) {
if (num_unread >= MAX_UNREAD_MSGS) return; // full
head = (head + 1) % MAX_UNREAD_MSGS;
if (num_unread < MAX_UNREAD_MSGS) num_unread++;
auto p = &unread[num_unread++];
auto p = &unread[head];
p->timestamp = _rtc->getCurrentTime();
if (path_len == 0xFF) {
sprintf(p->origin, "(D) %s:", from_name);
@@ -484,7 +486,7 @@ public:
sprintf(tmp, "Unread: %d", num_unread);
display.print(tmp);
auto p = &unread[0];
auto p = &unread[head];
int secs = _rtc->getCurrentTime() - p->timestamp;
if (secs < 60) {
@@ -520,14 +522,10 @@ public:
bool handleInput(char c) override {
if (c == KEY_NEXT || c == KEY_RIGHT) {
head = (head + MAX_UNREAD_MSGS - 1) % MAX_UNREAD_MSGS;
num_unread--;
if (num_unread == 0) {
_task->gotoHomeScreen();
} else {
// delete first/curr item from unread queue
for (int i = 0; i < num_unread; i++) {
unread[i] = unread[i + 1];
}
}
return true;
}