do_pager.c File Reference

Simple Pager Dialog. More...

#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "lib.h"
#include "index/lib.h"
#include "protos.h"

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Functions
static int	dopager_config_observer (struct NotifyCallback *nc)
	Notification that a Config Variable has changed - Implements observer_t -.
static int	dopager_window_observer (struct NotifyCallback *nc)
	Notification that a Window has changed - Implements observer_t -.
int	mutt_do_pager (struct PagerView *pview, struct Email *e)
	Display some page-able text to the user (help or attachment)

Detailed Description

Simple Pager Dialog.

Authors

• R Primus
• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file do_pager.c.

Function Documentation

mutt_do_pager()

int mutt_do_pager	(	struct PagerView *	pview,
		struct Email *	e
	)

Display some page-able text to the user (help or attachment)

Parameters

pview	PagerView to construct Pager object
e	Email to use

Return values

0	Success
-1	Error

Definition at line 122 of file do_pager.c.

{
  ASSERT(pview);
  ASSERT(pview->pdata);
  ASSERT(pview->pdata->fname);
  ASSERT((pview->mode == PAGER_MODE_ATTACH) ||
         (pview->mode == PAGER_MODE_HELP) || (pview->mode == PAGER_MODE_OTHER));
 
  struct MuttWindow *dlg = mutt_window_new(WT_DLG_PAGER, MUTT_WIN_ORIENT_VERTICAL,
                                           MUTT_WIN_SIZE_MAXIMISE, MUTT_WIN_SIZE_UNLIMITED,
                                           MUTT_WIN_SIZE_UNLIMITED);
 
  struct IndexSharedData *shared = index_shared_data_new();
  shared->email = e;
 
  notify_set_parent(shared->notify, dlg->notify);
 
  dlg->wdata = shared;
  dlg->wdata_free = index_shared_data_free;
 
  const bool c_status_on_top = cs_subset_bool(NeoMutt->sub, "status_on_top");
  struct MuttWindow *panel_pager = ppanel_new(c_status_on_top, shared);
  dlg->focus = panel_pager;
  mutt_window_add_child(dlg, panel_pager);
 
  notify_observer_add(NeoMutt->sub->notify, NT_CONFIG, dopager_config_observer, dlg);
  notify_observer_add(dlg->notify, NT_WINDOW, dopager_window_observer, dlg);
  dialog_push(dlg);
 
  pview->win_index = NULL;
  pview->win_pbar = window_find_child(panel_pager, WT_STATUS_BAR);
  pview->win_pager = window_find_child(panel_pager, WT_CUSTOM);
 
  int rc;
 
  const char *const c_pager = pager_get_pager(NeoMutt->sub);
  if (c_pager)
  {
    struct Buffer *cmd = buf_pool_get();
 
    mutt_endwin();
    buf_file_expand_fmt_quote(cmd, c_pager, pview->pdata->fname);
    if (mutt_system(buf_string(cmd)) == -1)
    {
      mutt_error(_("Error running \"%s\""), buf_string(cmd));
      rc = -1;
    }
    else
    {
      rc = 0;
    }
    mutt_file_unlink(pview->pdata->fname);
    buf_pool_release(&cmd);
  }
  else
  {
    rc = dlg_pager(pview);
  }
 
  dialog_pop();
  mutt_window_free(&dlg);
  return rc;
}

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