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add session save and session load functionality

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New [key-bindings]:
- session-save: captures cwd and foreground process argv to ~/.local/share/foot/state/{name}.json
- session-save-secure: prompts for a password, encrypts the scrollback with argon2id + XChaCha20-Poly1305 (libsodium) and writes it to {name}.scrollback.enc(stores up to 1Mb scrollback buffer).
- session-load: a minimal fuzzy picker that displays saved sessions (both secure and vanilla), UI piggybacks on search bar subsurface. use arrows to navigate and delete to delete a previously saved session.
This commit is contained in:
entailz 2026-05-21 14:08:33 -07:00
parent 05ee680778
commit cabddb26e6
16 changed files with 1947 additions and 49 deletions
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63
search.c
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@ -20,6 +20,7 @@
#include "quirks.h"
#include "render.h"
#include "selection.h"
#include "session.h"
#include "shm.h"
#include "unicode-mode.h"
#include "util.h"
@ -155,6 +156,9 @@ static void search_cancel_keep_selection(struct terminal *term) {
term->search.wrapped = false;
term->search.history_pos = NULL;
term->is_searching = false;
if (term->search.mode == SEARCH_MODE_SESSION_LOAD)
session_picker_free(term);
term->search.mode = SEARCH_MODE_NORMAL;
term->render.search_glyph_offset = 0;
/* Reset IME state */
@ -193,11 +197,20 @@ void search_begin(struct terminal *term) {
term->search.sz = 64;
term->search.buf = xmalloc(term->search.sz * sizeof(term->search.buf[0]));
term->search.buf[0] = U'\0';
term->search.mode = SEARCH_MODE_NORMAL;
term_xcursor_update(term);
render_refresh_search(term);
}
void search_begin_session(struct terminal *term, enum search_mode mode) {
search_begin(term);
term->search.mode = mode;
if (mode == SEARCH_MODE_SESSION_LOAD)
session_picker_init(term);
render_refresh_search(term);
}
void search_cancel(struct terminal *term) {
if (!term->is_searching)
return;
@ -1539,6 +1552,10 @@ static bool execute_binding(struct seat *seat, struct terminal *term,
return true;
case BIND_ACTION_SEARCH_COMMIT:
if (term->search.mode != SEARCH_MODE_NORMAL) {
session_prompt_commit(term);
return true;
}
selection_finalize(seat, term, serial);
search_cancel_keep_selection(term);
return true;
@ -1881,6 +1898,48 @@ void search_input(struct seat *seat, struct terminal *term,
LOG_DBG("search: input: sym=%d/0x%x, mods=0x%08x, consumed=0x%08x", sym, sym,
mods, consumed);
/* Overwrite-confirm: only y/Y proceeds; anything else cancels. */
if (term->search.mode == SEARCH_MODE_SESSION_OVERWRITE_CONFIRM) {
if (sym == XKB_KEY_y || sym == XKB_KEY_Y || sym == XKB_KEY_Return ||
sym == XKB_KEY_KP_Enter) {
session_prompt_confirm_overwrite(term);
} else {
session_prompt_cancel(term);
}
return;
}
/* In session-load mode, hijack a few keys for picker navigation. We do this
* before binding dispatch so configured search-bindings (e.g. history-prev
* on Up) don't fire. */
if (term->search.mode == SEARCH_MODE_SESSION_LOAD) {
bool handled = true;
switch (sym) {
case XKB_KEY_Up:
session_picker_move(term, -1);
break;
case XKB_KEY_Down:
session_picker_move(term, +1);
break;
case XKB_KEY_Page_Up:
session_picker_move(term, -5);
break;
case XKB_KEY_Page_Down:
session_picker_move(term, +5);
break;
case XKB_KEY_Delete:
session_picker_delete_selected(term);
break;
default:
handled = false;
break;
}
if (handled) {
render_refresh_search(term);
return;
}
}
enum xkb_compose_status compose_status =
seat->kbd.xkb_compose_state != NULL
? xkb_compose_state_get_status(seat->kbd.xkb_compose_state)
@ -1969,8 +2028,10 @@ void search_input(struct seat *seat, struct terminal *term,
update_search:
LOG_DBG("search: buffer: %ls", (const wchar_t *)term->search.buf);
if (update_search_result)
if (update_search_result && term->search.mode == SEARCH_MODE_NORMAL)
search_find_next(term, search_direction);
if (term->search.mode == SEARCH_MODE_SESSION_LOAD)
session_picker_refilter(term);
if (redraw)
render_refresh_search(term);
}