mirror of
https://github.com/MarekZegare4/MeshCore-Solo.git
synced 2026-07-26 14:58:12 +00:00
346 lines
13 KiB
C
346 lines
13 KiB
C
#pragma once
|
||
|
||
#include <helpers/ui/DisplayDriver.h>
|
||
#include <Arduino.h>
|
||
#include "PopupMenu.h"
|
||
#include "icons.h" // mini-icons for the special-key row (⇧ ⌫ ⎵ ✓)
|
||
#include "../NodePrefs.h"
|
||
|
||
// Layout constants shared by all keyboard users.
|
||
// Two pages: letters (page 0) and symbols (page 1), toggled by the "#@"/"abc"
|
||
// special key. Space lives only on the ⎵ special key now, so the freed grid
|
||
// slot on page 0 holds the comma; punctuation is grouped as . , ! ?
|
||
static const int KB_PAGES = 2;
|
||
static const char KB_CHARS[KB_PAGES][4][10] = {
|
||
{ // page 0 — letters + digits
|
||
{'a','b','c','d','e','f','g','h','i','j'},
|
||
{'k','l','m','n','o','p','q','r','s','t'},
|
||
{'u','v','w','x','y','z','.',',','!','?'},
|
||
{'1','2','3','4','5','6','7','8','9','0'},
|
||
},
|
||
{ // page 1 — symbols + digits (ASCII only — one byte per key)
|
||
{'@','#','&','*','(',')','-','_','+','='},
|
||
{'/','\\',':',';','\'','"','<','>','[',']'},
|
||
{'{','}','|','~','^','$','%','`',',','.'},
|
||
{'1','2','3','4','5','6','7','8','9','0'},
|
||
},
|
||
};
|
||
static const int KB_ROWS_CHAR = 4;
|
||
static const int KB_COLS_CHAR = 10;
|
||
static const int KB_SPECIAL = 6; // ⇧ ⎵ ⌫ {} #@/abc ✓
|
||
|
||
// T9 multi-tap layout (Settings › Keyboard). A classic phone keypad: 9 cells (keys
|
||
// 1-9) laid out 3x3, each holding a handful of letters/symbols. Repeated Enter
|
||
// presses on the same cell within KB_T9_TIMEOUT_MS cycle through the group, ending
|
||
// on the cell's own digit (computed as '1'+cell, not stored here) before wrapping.
|
||
// Keys 0/*/# aren't part of the grid — space/backspace/etc. already live on the
|
||
// special row below, shared with the QWERTY layout.
|
||
static const int KB_T9_ROWS = 3;
|
||
static const int KB_T9_COLS = 3;
|
||
static const uint32_t KB_T9_TIMEOUT_MS = 800;
|
||
static const char* const KB_T9_GROUPS[KB_PAGES][9] = {
|
||
{ ".,!?'-", "abc", "def", "ghi", "jkl", "mno", "pqrs", "tuv", "wxyz" }, // page 0 — letters
|
||
{ "@#&", "*()", "-_+", "=/\\", ":;'\"", "<>[]", "{}|~", "^$%`", ",." }, // page 1 — symbols
|
||
};
|
||
// Buffer cap for typed text, in bytes. Matches MeshCore's MAX_TEXT_LEN
|
||
// (10*CIPHER_BLOCK_SIZE = 160) so a full-length message can be composed; each
|
||
// field passes its own smaller max to begin() where its store is smaller.
|
||
static const int KB_MAX_LEN = 160;
|
||
|
||
// Longest preview line we render per row. Caps the per-line stack buffers so a
|
||
// very wide display (small font → many chars per line) can't overrun them.
|
||
static const int KB_PREVIEW_CAP = 46;
|
||
|
||
static const int KB_PH_MAX = 12; // max placeholders in list
|
||
static const int KB_PH_LEN = 9; // max placeholder string length incl. null
|
||
static const int KB_PH_VISIBLE = 3; // items shown at once in overlay
|
||
|
||
struct KeyboardWidget {
|
||
char buf[KB_MAX_LEN + 1];
|
||
int len;
|
||
int max_len;
|
||
int row, col;
|
||
int page; // 0 = letters, 1 = symbols
|
||
bool caps;
|
||
char _ph_buf[KB_PH_MAX][KB_PH_LEN];
|
||
int _ph_count;
|
||
PopupMenu _ph_menu;
|
||
|
||
// Live setting lookup — set once by UITask::begin(). NULL only in tests/tools
|
||
// that construct a KeyboardWidget standalone, in which case isT9() defaults
|
||
// to QWERTY.
|
||
NodePrefs* prefs = nullptr;
|
||
bool isT9() const { return prefs && prefs->keyboard_type == 1; }
|
||
|
||
// T9 multi-tap state: which grid cell is mid-cycle (-1 = none), its cycle
|
||
// position, and when the last Enter landed on it (for the timeout).
|
||
int t9_cell = -1;
|
||
int t9_cycle = 0;
|
||
uint32_t t9_last_ms = 0;
|
||
|
||
int gridRows() const { return isT9() ? KB_T9_ROWS : KB_ROWS_CHAR; }
|
||
int gridCols() const { return isT9() ? KB_T9_COLS : KB_COLS_CHAR; }
|
||
|
||
enum Result { NONE, DONE, CANCELLED };
|
||
|
||
void begin(const char* initial = "", int max = KB_MAX_LEN) {
|
||
max_len = (max > KB_MAX_LEN) ? KB_MAX_LEN : max;
|
||
strncpy(buf, initial, max_len);
|
||
buf[max_len] = '\0';
|
||
len = strlen(buf);
|
||
row = col = 0;
|
||
page = 0;
|
||
caps = false;
|
||
t9_cell = -1;
|
||
t9_cycle = 0;
|
||
_ph_menu.active = false;
|
||
// default placeholders — always available
|
||
_ph_count = 0;
|
||
addPlaceholder("{loc}");
|
||
addPlaceholder("{time}");
|
||
}
|
||
|
||
void clearPlaceholders() { _ph_count = 0; }
|
||
|
||
void addPlaceholder(const char* ph) {
|
||
if (_ph_count < KB_PH_MAX) {
|
||
strncpy(_ph_buf[_ph_count], ph, KB_PH_LEN - 1);
|
||
_ph_buf[_ph_count][KB_PH_LEN - 1] = '\0';
|
||
_ph_count++;
|
||
}
|
||
}
|
||
|
||
int render(DisplayDriver& display) {
|
||
// A stale mid-cycle T9 press (no further input since) finalizes on its own —
|
||
// the character is already committed to buf, this just stops a later Enter
|
||
// on the same cell from being treated as a continued cycle.
|
||
if (t9_cell >= 0 && millis() - t9_last_ms > KB_T9_TIMEOUT_MS) t9_cell = -1;
|
||
|
||
display.setTextSize(1);
|
||
display.setColor(DisplayDriver::LIGHT);
|
||
|
||
const int rows = gridRows();
|
||
const int cols = gridCols();
|
||
const int lh = display.getLineHeight();
|
||
const int cw = display.getCharWidth();
|
||
const int cell_w = display.width() / cols;
|
||
// compact: don't stretch cells beyond lh; freed vertical space goes to preview lines
|
||
const int kb_h = (rows + 1) * lh;
|
||
const int preview_h = display.height() - kb_h - display.sepH();
|
||
const int prev_lines = (preview_h / lh) > 1 ? (preview_h / lh) : 1;
|
||
const int sep_y = prev_lines * lh;
|
||
const int chars_y = sep_y + display.sepH();
|
||
const int cell_h = (display.height() - chars_y) / (rows + 1);
|
||
const int spec_y = chars_y + rows * cell_h;
|
||
const int spec_w = display.width() / KB_SPECIAL;
|
||
|
||
// multi-line text preview: cursor always on last preview line
|
||
int cpl = display.width() / cw; // chars per preview line
|
||
if (cpl < 1) cpl = 1;
|
||
if (cpl > KB_PREVIEW_CAP) cpl = KB_PREVIEW_CAP; // never overrun linebuf below
|
||
int cursor_line = len / cpl;
|
||
int first_line = (cursor_line >= prev_lines) ? (cursor_line - prev_lines + 1) : 0;
|
||
int start = first_line * cpl;
|
||
for (int pl = 0; pl < prev_lines; pl++) {
|
||
int ps = start + pl * cpl;
|
||
int pe = ps + cpl;
|
||
bool cursor_here = (ps <= len && (len < pe || pl == prev_lines - 1));
|
||
char linebuf[KB_PREVIEW_CAP + 2]; // cpl chars + cursor '_' + NUL
|
||
if (cursor_here) {
|
||
int nc = len - ps; if (nc < 0) nc = 0; if (nc > cpl - 1) nc = cpl - 1;
|
||
snprintf(linebuf, sizeof(linebuf), "%.*s_", nc, buf + ps);
|
||
} else if (len > ps) {
|
||
int nc = (len < pe) ? (len - ps) : cpl;
|
||
snprintf(linebuf, sizeof(linebuf), "%.*s", nc, buf + ps);
|
||
} else {
|
||
linebuf[0] = '\0';
|
||
}
|
||
char linebuf_t[KB_PREVIEW_CAP + 2];
|
||
display.translateUTF8ToBlocks(linebuf_t, linebuf, sizeof(linebuf_t));
|
||
display.setCursor(0, pl * lh);
|
||
display.print(linebuf_t);
|
||
}
|
||
display.fillRect(0, sep_y, display.width(), display.sepH());
|
||
|
||
// character grid
|
||
if (isT9()) {
|
||
for (int r = 0; r < rows; r++) {
|
||
int y = chars_y + r * cell_h;
|
||
for (int c = 0; c < cols; c++) {
|
||
bool sel = (row == r && col == c);
|
||
int cell = r * cols + c;
|
||
char group[10];
|
||
strncpy(group, KB_T9_GROUPS[page][cell], sizeof(group) - 1);
|
||
group[sizeof(group) - 1] = '\0';
|
||
if (caps) for (char* p = group; *p; p++) if (*p >= 'a' && *p <= 'z') *p = *p - 'a' + 'A';
|
||
int cx = c * cell_w;
|
||
display.drawSelectionRow(cx, y - 1, cell_w - 1, cell_h, sel);
|
||
int tw = display.getTextWidth(group);
|
||
display.setCursor(cx + (cell_w - tw) / 2, y);
|
||
display.print(group);
|
||
}
|
||
}
|
||
} else {
|
||
for (int r = 0; r < rows; r++) {
|
||
int y = chars_y + r * cell_h;
|
||
for (int c = 0; c < cols; c++) {
|
||
bool sel = (row == r && col == c);
|
||
char ch = KB_CHARS[page][r][c];
|
||
if (caps && ch >= 'a' && ch <= 'z') ch = ch - 'a' + 'A';
|
||
char ch_buf[2] = { ch == ' ' ? '_' : ch, '\0' };
|
||
int cx = c * cell_w;
|
||
display.drawSelectionRow(cx, y - 1, cell_w - 1, cell_h, sel);
|
||
display.setCursor(cx + (cell_w - cw) / 2, y);
|
||
display.print(ch_buf);
|
||
}
|
||
}
|
||
}
|
||
|
||
// special row: caps ⇧ · space ⎵ · delete ⌫ · placeholders {} (text) · OK ✓
|
||
const int s = miniIconScale(display);
|
||
const int icy = spec_y + (cell_h - lh) / 2; // centre icons within the cell
|
||
for (int i = 0; i < KB_SPECIAL; i++) {
|
||
bool sel = (row == rows && col == i);
|
||
bool active = (i == 0 && caps);
|
||
int sx = i * spec_w;
|
||
display.drawSelectionRow(sx, spec_y - 1, spec_w - 1, cell_h, sel || active);
|
||
if (i == 3 || i == 4) { // text keys: {} picker, page toggle
|
||
const char* lbl = (i == 3) ? "{}" : (page == 0 ? "#@" : "abc");
|
||
int tw = display.getTextWidth(lbl);
|
||
display.setCursor(sx + (spec_w - tw) / 2, spec_y);
|
||
display.print(lbl);
|
||
} else if (i == 1) { // space ⎵ — two halves side by side
|
||
int icw = (ICON_SPACE_L.w + ICON_SPACE_R.w) * s;
|
||
int ix = sx + (spec_w - icw) / 2;
|
||
miniIconDraw(display, ix, icy, ICON_SPACE_L);
|
||
miniIconDraw(display, ix + ICON_SPACE_L.w * s, icy, ICON_SPACE_R);
|
||
} else {
|
||
const MiniIcon& ic = (i == 0) ? ICON_SHIFT
|
||
: (i == 2) ? ICON_BACKSPACE
|
||
: ICON_CHECK; // i == 5 → OK
|
||
int ix = sx + (spec_w - ic.w * s) / 2;
|
||
miniIconDraw(display, ix, icy, ic);
|
||
}
|
||
display.setColor(DisplayDriver::LIGHT);
|
||
}
|
||
|
||
// placeholder picker overlay (drawn on top of keyboard)
|
||
if (_ph_menu.active) _ph_menu.render(display);
|
||
|
||
return 50;
|
||
}
|
||
|
||
Result handleInput(char c) {
|
||
// placeholder overlay consumes all input
|
||
if (_ph_menu.active) {
|
||
auto res = _ph_menu.handleInput(c);
|
||
if (res == PopupMenu::SELECTED) {
|
||
int idx = _ph_menu.selectedIndex();
|
||
const char* ph = _ph_buf[idx];
|
||
int ph_len = strlen(ph);
|
||
if (len + ph_len <= max_len) {
|
||
memcpy(buf + len, ph, ph_len);
|
||
len += ph_len;
|
||
buf[len] = '\0';
|
||
}
|
||
}
|
||
return NONE;
|
||
}
|
||
|
||
if (c == KEY_CANCEL || c == KEY_CONTEXT_MENU) return CANCELLED;
|
||
|
||
const int rows = gridRows();
|
||
const int cols = gridCols();
|
||
|
||
if (c == KEY_UP) {
|
||
if (row > 0) {
|
||
row--;
|
||
if (row == rows - 1) // leaving special row upward
|
||
col = col * cols / KB_SPECIAL;
|
||
} else {
|
||
row = rows; // wrap up onto the special row
|
||
col = col * KB_SPECIAL / cols;
|
||
}
|
||
t9_cell = -1; // navigating away finalizes any pending multi-tap cycle
|
||
return NONE;
|
||
}
|
||
if (c == KEY_DOWN) {
|
||
if (row < rows) {
|
||
row++;
|
||
if (row == rows) // entering special row
|
||
col = col * KB_SPECIAL / cols;
|
||
} else {
|
||
row = 0; // wrap down onto the first char row
|
||
col = col * cols / KB_SPECIAL;
|
||
}
|
||
t9_cell = -1;
|
||
return NONE;
|
||
}
|
||
if (c == KEY_LEFT) {
|
||
int max_col = (row == rows) ? KB_SPECIAL - 1 : cols - 1;
|
||
col = (col > 0) ? col - 1 : max_col;
|
||
t9_cell = -1;
|
||
return NONE;
|
||
}
|
||
if (c == KEY_RIGHT) {
|
||
int max_col = (row == rows) ? KB_SPECIAL - 1 : cols - 1;
|
||
col = (col < max_col) ? col + 1 : 0;
|
||
t9_cell = -1;
|
||
return NONE;
|
||
}
|
||
if (c == KEY_ENTER) {
|
||
if (row < rows && isT9()) {
|
||
int cell = row * cols + col;
|
||
const char* group = KB_T9_GROUPS[page][cell];
|
||
int glen = (int)strlen(group);
|
||
int total = glen + 1; // + the cell's own digit, at the end of the cycle
|
||
bool cycling = (t9_cell == cell) && (millis() - t9_last_ms < KB_T9_TIMEOUT_MS);
|
||
if (cycling) {
|
||
t9_cycle = (t9_cycle + 1) % total;
|
||
if (len > 0) {
|
||
char ch = (t9_cycle < glen) ? group[t9_cycle] : (char)('1' + cell);
|
||
if (caps && ch >= 'a' && ch <= 'z') ch = ch - 'a' + 'A';
|
||
buf[len - 1] = ch;
|
||
}
|
||
} else if (len < max_len) {
|
||
char ch = group[0];
|
||
if (caps && ch >= 'a' && ch <= 'z') ch = ch - 'a' + 'A';
|
||
buf[len++] = ch;
|
||
buf[len] = '\0';
|
||
t9_cell = cell;
|
||
t9_cycle = 0;
|
||
}
|
||
t9_last_ms = millis();
|
||
} else if (row < rows) {
|
||
if (len < max_len) {
|
||
char ch = KB_CHARS[page][row][col];
|
||
if (caps && ch >= 'a' && ch <= 'z') ch = ch - 'a' + 'A';
|
||
buf[len++] = ch;
|
||
buf[len] = '\0';
|
||
}
|
||
} else {
|
||
t9_cell = -1; // any special-row action finalizes a pending multi-tap cycle
|
||
switch (col) {
|
||
case 0: caps = !caps; break;
|
||
case 1:
|
||
if (len < max_len) { buf[len++] = ' '; buf[len] = '\0'; }
|
||
break;
|
||
case 2:
|
||
if (len > 0) buf[--len] = '\0';
|
||
break;
|
||
case 3:
|
||
_ph_menu.begin("Placeholder:", KB_PH_VISIBLE);
|
||
for (int i = 0; i < _ph_count; i++) _ph_menu.addItem(_ph_buf[i]);
|
||
break;
|
||
case 4:
|
||
page ^= 1; // toggle letters ⇄ symbols
|
||
break;
|
||
case 5:
|
||
return DONE;
|
||
}
|
||
}
|
||
}
|
||
return NONE;
|
||
}
|
||
};
|