ppanel.c

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#include "config.h"
#include <stdbool.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "lib.h"
#include "pbar.h"
#include "private_data.h"
 
struct IndexSharedData;

static int ppanel_config_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_CONFIG)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
 
  struct EventConfig *ev_c = nc->event_data;
  struct MuttWindow *panel_pager = nc->global_data;
 
  if (mutt_str_equal(ev_c->name, "status_on_top"))
  {
    window_status_on_top(panel_pager, NeoMutt->sub);
    mutt_debug(LL_DEBUG5, "config done\n");
  }
 
  return 0;
}

static int ppanel_window_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_WINDOW)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
 
  struct MuttWindow *panel_pager = nc->global_data;
  if (nc->event_subtype == NT_WINDOW_STATE)
  {
    panel_pager->actions |= WA_RECALC | WA_REPAINT;
 
    struct PagerPrivateData *priv = panel_pager->wdata;
    if (priv->pview)
      pager_queue_redraw(priv, PAGER_REDRAW_PAGER);
 
    mutt_debug(LL_NOTIFY, "window state done, request WA_RECALC\n");
  }
 
  if (nc->event_subtype != NT_WINDOW_DELETE)
    return 0;
 
  struct EventWindow *ev_w = nc->event_data;
  if (ev_w->win != panel_pager)
    return 0;
 
  notify_observer_remove(NeoMutt->sub->notify, ppanel_config_observer, panel_pager);
  notify_observer_remove(panel_pager->notify, ppanel_window_observer, panel_pager);
  mutt_debug(LL_DEBUG5, "window delete done\n");
 
  return 0;
}

struct MuttWindow *ppanel_new(bool status_on_top, struct IndexSharedData *shared)
{
  struct MuttWindow *panel_pager = mutt_window_new(WT_PAGER, MUTT_WIN_ORIENT_VERTICAL,
                                                   MUTT_WIN_SIZE_MAXIMISE, MUTT_WIN_SIZE_UNLIMITED,
                                                   MUTT_WIN_SIZE_UNLIMITED);
  panel_pager->state.visible = false; // The Pager and Pager Bar are initially hidden
 
  struct PagerPrivateData *priv = pager_private_data_new();
  panel_pager->wdata = priv;
  panel_pager->wdata_free = pager_private_data_free;
 
  struct MuttWindow *win_pager = pager_window_new(shared, priv);
  panel_pager->focus = win_pager;
 
  struct MuttWindow *win_pbar = pbar_new(shared, priv);
  if (status_on_top)
  {
    mutt_window_add_child(panel_pager, win_pbar);
    mutt_window_add_child(panel_pager, win_pager);
  }
  else
  {
    mutt_window_add_child(panel_pager, win_pager);
    mutt_window_add_child(panel_pager, win_pbar);
  }
 
  notify_observer_add(NeoMutt->sub->notify, NT_CONFIG, ppanel_config_observer, panel_pager);
  notify_observer_add(panel_pager->notify, NT_WINDOW, ppanel_window_observer, panel_pager);
 
  return panel_pager;
}