functions.c

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#include "config.h"
#include <stddef.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "functions.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "pattern/lib.h"

struct MenuDefinition *MdPostpone = NULL;
 
// clang-format off
static const struct MenuFuncOp OpPostponed[] = { /* map: postpone */
  { "exit",                          OP_EXIT },
  { "delete-entry",                  OP_DELETE },
  { "undelete-entry",                OP_UNDELETE },
  { NULL, 0 },
};

static const struct MenuOpSeq PostponedDefaultBindings[] = { /* map: postpone */
  { OP_DELETE,                             "d" },
  { OP_EXIT,                               "q" },
  { OP_UNDELETE,                           "u" },
  { 0, NULL },
};
// clang-format on

void postponed_init_keys(struct SubMenu *sm_generic)
{
  struct MenuDefinition *md = NULL;
  struct SubMenu *sm = NULL;
 
  sm = km_register_submenu(OpPostponed);
  md = km_register_menu(MENU_POSTPONE, "postpone");
  km_menu_add_submenu(md, sm);
  km_menu_add_submenu(md, sm_generic);
  km_menu_add_bindings(md, PostponedDefaultBindings);
 
  MdPostpone = md;
}

static int op_delete(struct PostponeData *pd, const struct KeyEvent *event)
{
  struct Menu *menu = pd->menu;
  struct MailboxView *mv = pd->mailbox_view;
  struct Mailbox *m = mv->mailbox;
 
  const int index = menu_get_index(menu);
  /* should deleted draft messages be saved in the trash folder? */
  mutt_set_flag(m, m->emails[index], MUTT_DELETE, (event->op == OP_DELETE), true);
  PostCount = m->msg_count - m->msg_deleted;
  const bool c_resolve = cs_subset_bool(NeoMutt->sub, "resolve");
  if (c_resolve && (index < (menu->max - 1)))
  {
    menu_set_index(menu, index + 1);
    if (index >= (menu->top + menu->page_len))
    {
      menu->top = index;
      menu_queue_redraw(menu, MENU_REDRAW_INDEX);
    }
  }
  else
  {
    menu_queue_redraw(menu, MENU_REDRAW_CURRENT);
  }
 
  return FR_SUCCESS;
}

static int op_exit(struct PostponeData *pd, const struct KeyEvent *event)
{
  pd->done = true;
  return FR_SUCCESS;
}

static int op_generic_select_entry(struct PostponeData *pd, const struct KeyEvent *event)
{
  int index = menu_get_index(pd->menu);
  struct MailboxView *mv = pd->mailbox_view;
  struct Mailbox *m = mv->mailbox;
  pd->email = m->emails[index];
  pd->done = true;
  return FR_SUCCESS;
}

static int op_search(struct PostponeData *pd, const struct KeyEvent *event)
{
  SearchFlags flags = SEARCH_NO_FLAGS;
  switch (event->op)
  {
    case OP_SEARCH:
      flags |= SEARCH_PROMPT;
      pd->search_state->reverse = false;
      break;
    case OP_SEARCH_REVERSE:
      flags |= SEARCH_PROMPT;
      pd->search_state->reverse = true;
      break;
    case OP_SEARCH_NEXT:
      break;
    case OP_SEARCH_OPPOSITE:
      flags |= SEARCH_OPPOSITE;
      break;
  }
 
  int index = menu_get_index(pd->menu);
  struct MailboxView *mv = pd->mailbox_view;
  index = mutt_search_command(mv, pd->menu, index, pd->search_state, flags);
  if (index != -1)
    menu_set_index(pd->menu, index);
 
  return FR_SUCCESS;
}
 
// -----------------------------------------------------------------------------

static const struct PostponeFunction PostponeFunctions[] = {
  // clang-format off
  { OP_DELETE,                 op_delete },
  { OP_EXIT,                   op_exit },
  { OP_GENERIC_SELECT_ENTRY,   op_generic_select_entry },
  { OP_SEARCH,                 op_search },
  { OP_SEARCH_NEXT,            op_search },
  { OP_SEARCH_OPPOSITE,        op_search },
  { OP_SEARCH_REVERSE,         op_search },
  { OP_UNDELETE,               op_delete },
  { 0, NULL },
  // clang-format on
};

int postpone_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)
    return FR_ERROR;
 
  const int op = event->op;
  struct Menu *menu = dlg->wdata;
  struct PostponeData *pd = menu->mdata;
  if (!pd)
    return FR_ERROR;
 
  int rc = FR_UNKNOWN;
  for (size_t i = 0; PostponeFunctions[i].op != OP_NULL; i++)
  {
    const struct PostponeFunction *fn = &PostponeFunctions[i];
    if (fn->op == op)
    {
      rc = fn->function(pd, 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));
 
  return rc;
}

struct MailboxView *postponed_get_mailbox_view(struct MuttWindow *dlg)
{
  if (!dlg)
    return NULL;
 
  struct Menu *menu = dlg->wdata;
  struct PostponeData *pd = menu->mdata;
  if (!pd)
    return NULL;
 
  return pd->mailbox_view;
}