dlg_history.c

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#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "format_flags.h"
#include "functions.h"
#include "mutt_logging.h"
#include "muttlib.h"
 
static const struct Mapping HistoryHelp[] = {
  // clang-format off
  { N_("Exit"),   OP_EXIT },
  { N_("Select"), OP_GENERIC_SELECT_ENTRY },
  { N_("Search"), OP_SEARCH },
  { N_("Help"),   OP_HELP },
  { NULL, 0 },
  // clang-format on
};
 
static const char *history_format_str(char *buf, size_t buflen, size_t col, int cols,
                                      char op, const char *src, const char *prec,
                                      const char *if_str, const char *else_str,
                                      intptr_t data, MuttFormatFlags flags)
{
  struct HistoryEntry *h = (struct HistoryEntry *) data;
 
  switch (op)
  {
    case 'C':
    {
      char tmp[32] = { 0 };
      snprintf(tmp, sizeof(tmp), "%%%sd", prec);
      snprintf(buf, buflen, tmp, h->num);
      break;
    }
    case 's':
    {
      mutt_format_s(buf, buflen, prec, NONULL(h->history));
      break;
    }
  }
 
  return src;
}
 
static void history_make_entry(struct Menu *menu, char *buf, size_t buflen, int line)
{
  char *entry = ((char **) menu->mdata)[line];
 
  struct HistoryEntry h = { line, entry };
 
  const char *const c_history_format = cs_subset_string(NeoMutt->sub, "history_format");
  mutt_expando_format(buf, buflen, 0, menu->win->state.cols, NONULL(c_history_format),
                      history_format_str, (intptr_t) &h, MUTT_FORMAT_ARROWCURSOR);
}
 
void dlg_history(char *buf, size_t buflen, char **matches, int match_count)
{
  struct MuttWindow *dlg = simple_dialog_new(MENU_GENERIC, WT_DLG_HISTORY, HistoryHelp);
 
  struct MuttWindow *sbar = window_find_child(dlg, WT_STATUS_BAR);
  char title[256] = { 0 };
  snprintf(title, sizeof(title), _("History '%s'"), buf);
  sbar_set_title(sbar, title);
 
  struct Menu *menu = dlg->wdata;
  menu->make_entry = history_make_entry;
  menu->max = match_count;
  menu->mdata = matches;
  menu->mdata_free = NULL; // Menu doesn't own the data
 
  struct HistoryData hd = { false, false,   buf,        buflen,
                            menu,  matches, match_count };
  dlg->wdata = &hd;
 
  struct MuttWindow *old_focus = window_set_focus(menu->win);
  // ---------------------------------------------------------------------------
  // Event Loop
  int op = OP_NULL;
  do
  {
    menu_tagging_dispatcher(menu->win, op);
    window_redraw(NULL);
 
    op = km_dokey(MENU_DIALOG, GETCH_NO_FLAGS);
    mutt_debug(LL_DEBUG1, "Got op %s (%d)\n", opcodes_get_name(op), op);
    if (op < 0)
      continue;
    if (op == OP_NULL)
    {
      km_error_key(MENU_GENERIC);
      continue;
    }
    mutt_clear_error();
 
    int rc = history_function_dispatcher(dlg, op);
    if (rc == FR_UNKNOWN)
      rc = menu_function_dispatcher(menu->win, op);
    if (rc == FR_UNKNOWN)
      rc = global_function_dispatcher(NULL, op);
  } while (!hd.done);
  // ---------------------------------------------------------------------------
 
  window_set_focus(old_focus);
  simple_dialog_free(&dlg);
}