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feat(ui): discoverable context-menu hint — header glyph, highlight, corner dropdown

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Hold-Enter context menus were invisible. Add a menu affordance to every screen
that has one:

- A small ≡ glyph in the header's top-right, via new DisplayDriver::
  drawContextMenuHint() and an optional menu_hint arg on drawCenteredHeader() /
  drawInvertedHeader() (reserves the corner so the title never runs under it).
- The glyph highlights (corner cell filled, bars knocked out) while the menu is
  open, tying the hint to the popup it spawned — driven by a menu_open flag the
  screens pass from their live popup state.
- The context menu now drops out of that corner: PopupMenu gains an opt-in
  top-right anchor (begin(..., anchor_top_right)); it right-aligns under the
  header instead of centring, so the menu reads as emerging from the ≡. Default
  stays centred, so non-context popups (Tools/Settings/etc.) are untouched.

Enabled on Nodes (list/scan/detail) and Messages (mode select, contact/room and
channel pickers, DM and channel history).

Both solo envs build green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-07-07 10:31:01 +02:00
parent 7f56af1663
commit a1ee67ae94
4 changed files with 71 additions and 25 deletions
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37
src/helpers/ui/DisplayDriver.h
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@@ -207,23 +207,52 @@ public:
// Inverted title bar: light background, dark ellipsized label, then the
// standard separator line. The label is UTF-8 translated by
// drawTextEllipsized. Leaves ink colour LIGHT for following content.
void drawInvertedHeader(const char* label) {
// Pixel width the ≡ context-menu hint reserves at the header's right edge.
int menuHintWidth() const { return getCharWidth() + 3; }
// Small ≡ glyph at the header's top-right, signalling the screen has a
// Hold-Enter context menu. Three stacked bars, drawn in colour c (LIGHT on a
// plain header, DARK on an inverted bar). When active (the menu is open) the
// corner cell is highlighted and the bars knocked out, tying the glyph to the
// popup it spawned. Call after the header body.
void drawContextMenuHint(Color c = LIGHT, bool active = false) {
int gw = getCharWidth() + 1;
int gx = width() - gw - 1;
int th = sepH();
int gy = (getLineHeight() - (th * 3 + 4)) / 2;
if (gy < 0) gy = 0;
Color bars = c;
if (active) {
setColor(c);
fillRect(gx - 1, 0, gw + 2, headerH() - sepH());
bars = (c == LIGHT) ? DARK : LIGHT;
}
setColor(bars);
for (int i = 0; i < 3; i++) fillRect(gx, gy + i * (th + 2), gw, th);
setColor(LIGHT);
}
void drawInvertedHeader(const char* label, bool menu_hint = false, bool menu_open = false) {
int hdr = headerH();
setColor(LIGHT);
fillRect(0, 0, width(), hdr - 1);
int reserve = menu_hint ? menuHintWidth() : 0;
setColor(DARK);
drawTextEllipsized(2, 1, width() - 4, (label && label[0]) ? label : "");
drawTextEllipsized(2, 1, width() - 4 - reserve, (label && label[0]) ? label : "");
if (menu_hint) drawContextMenuHint(DARK, menu_open);
setColor(LIGHT);
fillRect(0, hdr - 1, width(), sepH());
}
// Centred screen title + bottom separator line — the standard top bar for
// full-screen list/detail views. Leaves ink LIGHT; callers can draw extra
// header content (counters, etc.) afterwards.
void drawCenteredHeader(const char* title) {
// header content (counters, etc.) afterwards. menu_hint adds the ≡ glyph;
// menu_open highlights it while the context menu is on screen.
void drawCenteredHeader(const char* title, bool menu_hint = false, bool menu_open = false) {
setColor(LIGHT);
drawTextCentered(width() / 2, 0, title);
fillRect(0, headerH() - sepH(), width(), sepH());
if (menu_hint) drawContextMenuHint(LIGHT, menu_open);
}
// Advance a UTF-8 pointer by one codepoint, returning the decoded value.