functions.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "functions.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "pattern_data.h"

static int op_generic_select_entry(struct PatternFunctionData *fdata,
                                   const struct KeyEvent *event)
{
  struct PatternData *pd = fdata->pd;
  const int index = menu_get_index(pd->menu);
  struct PatternEntry *entry = ARRAY_GET(&pd->entries, index);
 
  if (entry)
    buf_strcpy(pd->buf, entry->tag);
 
  pd->done = true;
  pd->selection = true;
  return FR_SUCCESS;
}

static int op_quit(struct PatternFunctionData *fdata, const struct KeyEvent *event)
{
  struct PatternData *pd = fdata->pd;
  pd->done = true;
  pd->selection = false;
  return FR_SUCCESS;
}
 
// -----------------------------------------------------------------------------

static const struct PatternFunction PatternFunctions[] = {
  // clang-format off
  { OP_GENERIC_SELECT_ENTRY,   op_generic_select_entry },
  { OP_QUIT,                   op_quit },
  { OP_EXIT,                   op_quit },
  { 0, NULL },
  // clang-format on
};

int pattern_function_dispatcher(struct MuttWindow *win, const struct KeyEvent *event)
{
  // The Dispatcher may be called on any Window in the Dialog
  struct MuttWindow *dlg = dialog_find(win);
  if (!event || !dlg || !dlg->wdata)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  const int op = event->op;
  struct Menu *menu = dlg->wdata;
  struct PatternData *pd = menu->mdata;
  if (!pd)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  struct PatternFunctionData fdata = {
    .n = NeoMutt,
    .pd = pd,
  };
 
  int rc = FR_UNKNOWN;
  for (size_t i = 0; PatternFunctions[i].op != OP_NULL; i++)
  {
    const struct PatternFunction *fn = &PatternFunctions[i];
    if (fn->op == op)
    {
      rc = fn->function(&fdata, event);
      break;
    }
  }
 
  if (rc == FR_UNKNOWN) // Not our function
    return rc;
 
  const char *result = dispatcher_get_retval_name(rc);
  mutt_debug(LL_DEBUG1, "Handled %s (%d) -> %s\n", opcodes_get_name(op), op, NONULL(result));
 
  dispatcher_flush_on_error(rc);
  return rc;
}