dialog.c

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#include "config.h"
#include <stddef.h>
#include <stdbool.h>
#include "mutt/lib.h"
#include "lib.h"
#ifdef USE_DEBUG_WINDOW
#include "debug/lib.h"
#endif

struct MuttWindow *AllDialogsWindow = NULL; 

struct MuttWindow *dialog_find(struct MuttWindow *win)
{
  for (; win && win->parent; win = win->parent)
  {
    if (win->parent->type == WT_ALL_DIALOGS)
      return win;
  }

  return NULL;
}

void dialog_push(struct MuttWindow *dlg)
{
  if (!dlg || !AllDialogsWindow)
    return;

  struct MuttWindow *last = TAILQ_LAST(&AllDialogsWindow->children, MuttWindowList);
  if (last)
    last->state.visible = false;

  TAILQ_INSERT_TAIL(&AllDialogsWindow->children, dlg, entries);
  notify_set_parent(dlg->notify, AllDialogsWindow->notify);

  // Notify the world, allowing plugins to integrate
  mutt_debug(LL_NOTIFY, "NT_WINDOW_DIALOG visible: %s, %p\n",
             mutt_window_win_name(dlg), dlg);
  struct EventWindow ev_w = { dlg, WN_VISIBLE };
  notify_send(dlg->notify, NT_WINDOW, NT_WINDOW_DIALOG, &ev_w);

  dlg->state.visible = true;
  dlg->parent = AllDialogsWindow;
  mutt_window_reflow(AllDialogsWindow);
  window_set_focus(dlg);

#ifdef USE_DEBUG_WINDOW
  debug_win_dump();
#endif
}

void dialog_pop(void)
{
  if (!AllDialogsWindow)
    return;

  struct MuttWindow *last = TAILQ_LAST(&AllDialogsWindow->children, MuttWindowList);
  if (!last)
    return;

  // Notify the world, allowing plugins to clean up
  mutt_debug(LL_NOTIFY, "NT_WINDOW_DIALOG hidden: %s, %p\n",
             mutt_window_win_name(last), last);
  struct EventWindow ev_w = { last, WN_HIDDEN };
  notify_send(last->notify, NT_WINDOW, NT_WINDOW_DIALOG, &ev_w);

  last->state.visible = false;
  last->parent = NULL;
  TAILQ_REMOVE(&AllDialogsWindow->children, last, entries);

  last = TAILQ_LAST(&AllDialogsWindow->children, MuttWindowList);
  if (last)
  {
    last->state.visible = true;
    mutt_window_reflow(AllDialogsWindow);
    window_set_focus(last);
  }
  else
  {
    AllDialogsWindow->focus = NULL;
  }
#ifdef USE_DEBUG_WINDOW
  debug_win_dump();
#endif
}

static int alldialogs_window_observer(struct NotifyCallback *nc)
{
  if ((nc->event_type != NT_WINDOW) || !nc->global_data || !nc->event_data)
    return -1;

  if (nc->event_subtype != NT_WINDOW_DELETE)
    return 0;

  struct MuttWindow *win_alldlgs = nc->global_data;
  struct EventWindow *ev_w = nc->event_data;
  if (ev_w->win != win_alldlgs)
    return 0;

  notify_observer_remove(win_alldlgs->notify, alldialogs_window_observer, win_alldlgs);

  AllDialogsWindow = NULL;
  mutt_debug(LL_DEBUG5, "window delete done\n");
  return 0;
}

struct MuttWindow *alldialogs_new(void)
{
  struct MuttWindow *win_alldlgs =
      mutt_window_new(WT_ALL_DIALOGS, MUTT_WIN_ORIENT_VERTICAL, MUTT_WIN_SIZE_MAXIMISE,
                      MUTT_WIN_SIZE_UNLIMITED, MUTT_WIN_SIZE_UNLIMITED);

  notify_observer_add(win_alldlgs->notify, NT_WINDOW, alldialogs_window_observer, win_alldlgs);

  AllDialogsWindow = win_alldlgs;

  return win_alldlgs;
}

struct MuttWindow *alldialogs_get_current(void)
{
  if (!AllDialogsWindow)
    return NULL;

  struct MuttWindow *np = NULL;
  TAILQ_FOREACH(np, &AllDialogsWindow->children, entries)
  {
    if (mutt_window_is_visible(np))
      return np;
  }

  return NULL;
}