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feat: show @recipient as 'To: nick' bar in fullscreen message view

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When a message starts with @nick, the fullscreen view expands the header
to show a second row 'To: nick' below the sender name, and displays the
message body without the @nick prefix.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-18 15:00:01 +02:00
parent 9b61bc3028
commit 8f566732ed
1 changed files with 33 additions and 9 deletions
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42
examples/companion_radio/ui-new/FullscreenMsgView.h
View File

@@ -42,35 +42,59 @@ struct FullscreenMsgView {
int render(DisplayDriver& display, const char* sender, const char* text,
bool has_prev, bool has_next) {
display.setTextSize(1);
// detect @recipient at start of message
char to_nick[32] = "";
const char* body = text;
if (text[0] == '@') {
const char* sp = strchr(text, ' ');
if (sp && sp[1]) {
int len = (int)(sp - text) - 1;
if (len >= (int)sizeof(to_nick)) len = sizeof(to_nick) - 1;
memcpy(to_nick, text + 1, len);
to_nick[len] = '\0';
body = sp + 1;
}
}
const int header_h = to_nick[0] ? 20 : 10;
const int startY = header_h + 2;
const int visible = (display.height() - startY - FS_LINE_H) / FS_LINE_H;
display.setColor(DisplayDriver::LIGHT);
display.fillRect(0, 0, display.width(), 10);
display.fillRect(0, 0, display.width(), header_h);
display.setColor(DisplayDriver::DARK);
display.drawTextEllipsized(2, 1, display.width() - 4, sender);
if (to_nick[0]) {
char to_label[36];
snprintf(to_label, sizeof(to_label), "To: %s", to_nick);
display.drawTextEllipsized(2, 11, display.width() - 4, to_label);
}
display.setColor(DisplayDriver::LIGHT);
char trans_text[512];
display.translateUTF8ToBlocks(trans_text, text, sizeof(trans_text));
display.translateUTF8ToBlocks(trans_text, body, sizeof(trans_text));
char lines[12][FS_CHARS + 1];
int lcount = wrapLines(trans_text, lines, 12);
int max_scroll = lcount > FS_VISIBLE ? lcount - FS_VISIBLE : 0;
int max_scroll = lcount > visible ? lcount - visible : 0;
if (scroll > max_scroll) scroll = max_scroll;
for (int i = 0; i < FS_VISIBLE && (scroll + i) < lcount; i++) {
display.setCursor(0, FS_START_Y + i * FS_LINE_H);
for (int i = 0; i < visible && (scroll + i) < lcount; i++) {
display.setCursor(0, startY + i * FS_LINE_H);
display.print(lines[scroll + i]);
}
if (scroll > 0) {
display.setColor(DisplayDriver::DARK);
display.fillRect(display.width() - 6, FS_START_Y, 6, FS_LINE_H);
display.fillRect(display.width() - 6, startY, 6, FS_LINE_H);
display.setColor(DisplayDriver::LIGHT);
display.setCursor(display.width() - 6, FS_START_Y);
display.setCursor(display.width() - 6, startY);
display.print("^");
}
if (scroll < max_scroll) {
display.setColor(DisplayDriver::DARK);
display.fillRect(display.width() - 6, FS_START_Y + (FS_VISIBLE - 1) * FS_LINE_H, 6, FS_LINE_H);
display.fillRect(display.width() - 6, startY + (visible - 1) * FS_LINE_H, 6, FS_LINE_H);
display.setColor(DisplayDriver::LIGHT);
display.setCursor(display.width() - 6, FS_START_Y + (FS_VISIBLE - 1) * FS_LINE_H);
display.setCursor(display.width() - 6, startY + (visible - 1) * FS_LINE_H);
display.print("v");
}
if (has_next) {