cbar.c

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#include "config.h"
#include <stddef.h>
#include "private.h"
#include "mutt/lib.h"
#include "config/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "cbar.h"
#include "color/lib.h"
#include "expando/lib.h"
#include "index/lib.h"
#include "menu/lib.h"
#include "attach_data.h"
#include "cbar_data.h"
#include "globals.h"
#include "muttlib.h"
#include "shared_data.h"
 
const struct ExpandoRenderData ComposeRenderData[];
 
static int num_attachments(const struct ComposeAttachData *adata)
{
  if (!adata || !adata->menu)
    return 0;
  return adata->menu->max;
}
 
long compose_a_num(const struct ExpandoNode *node, void *data, MuttFormatFlags flags)
{
  const struct ComposeSharedData *shared = data;
 
  return num_attachments(shared->adata);
}
 
void compose_h(const struct ExpandoNode *node, void *data,
               MuttFormatFlags flags, struct Buffer *buf)
{
  const char *s = ShortHostname;
  buf_strcpy(buf, s);
}
 
long compose_l_num(const struct ExpandoNode *node, void *data, MuttFormatFlags flags)
{
  const struct ComposeSharedData *shared = data;
  return cum_attachs_size(shared->sub, shared->adata);
}
 
void compose_l(const struct ExpandoNode *node, void *data,
               MuttFormatFlags flags, struct Buffer *buf)
{
  const struct ComposeSharedData *shared = data;
 
  char tmp[128] = { 0 };
 
  mutt_str_pretty_size(tmp, sizeof(tmp), cum_attachs_size(shared->sub, shared->adata));
  buf_strcpy(buf, tmp);
}
 
void compose_v(const struct ExpandoNode *node, void *data,
               MuttFormatFlags flags, struct Buffer *buf)
{
  const char *s = mutt_make_version();
  buf_strcpy(buf, s);
}
 
static int cbar_recalc(struct MuttWindow *win)
{
  struct Buffer *buf = buf_pool_get();
  struct ComposeSharedData *shared = win->parent->wdata;
 
  const struct Expando *c_compose_format = cs_subset_expando(shared->sub, "compose_format");
  expando_filter(c_compose_format, ComposeRenderData, shared,
                 MUTT_FORMAT_NO_FLAGS, win->state.cols, buf);
 
  struct ComposeBarData *cbar_data = win->wdata;
  if (!mutt_str_equal(buf_string(buf), cbar_data->compose_format))
  {
    mutt_str_replace(&cbar_data->compose_format, buf_string(buf));
    win->actions |= WA_REPAINT;
    mutt_debug(LL_DEBUG5, "recalc done, request WA_REPAINT\n");
  }
  buf_pool_release(&buf);
 
  return 0;
}
 
static int cbar_repaint(struct MuttWindow *win)
{
  struct ComposeBarData *cbar_data = win->wdata;
 
  mutt_window_move(win, 0, 0);
  mutt_curses_set_normal_backed_color_by_id(MT_COLOR_STATUS);
  mutt_window_clrtoeol(win);
 
  mutt_window_move(win, 0, 0);
  mutt_draw_statusline(win, win->state.cols, cbar_data->compose_format,
                       mutt_str_len(cbar_data->compose_format));
  mutt_curses_set_color_by_id(MT_COLOR_NORMAL);
  mutt_debug(LL_DEBUG5, "repaint done\n");
 
  return 0;
}
 
int cbar_color_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_COLOR)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
 
  struct EventColor *ev_c = nc->event_data;
 
  // MT_COLOR_MAX is sent on `uncolor *`
  if ((ev_c->cid != MT_COLOR_STATUS) && (ev_c->cid != MT_COLOR_NORMAL) &&
      (ev_c->cid != MT_COLOR_MAX))
  {
    return 0;
  }
 
  struct MuttWindow *win_cbar = nc->global_data;
  win_cbar->actions |= WA_REPAINT;
  mutt_debug(LL_DEBUG5, "color done, request WA_REPAINT\n");
 
  return 0;
}
 
int cbar_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;
  if (!mutt_str_equal(ev_c->name, "compose_format"))
    return 0;
 
  struct MuttWindow *win_cbar = nc->global_data;
  win_cbar->actions |= WA_RECALC;
  mutt_debug(LL_DEBUG5, "config done, request WA_RECALC\n");
 
  return 0;
}
 
static int cbar_email_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_EMAIL)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
 
  struct MuttWindow *win_cbar = nc->global_data;
  win_cbar->actions |= WA_RECALC;
  mutt_debug(LL_DEBUG5, "compose done, request WA_RECALC\n");
 
  return 0;
}
 
static int cbar_window_observer(struct NotifyCallback *nc)
{
  if (nc->event_type != NT_WINDOW)
    return 0;
  if (!nc->global_data || !nc->event_data)
    return -1;
 
  struct MuttWindow *win_cbar = nc->global_data;
  struct EventWindow *ev_w = nc->event_data;
  if (ev_w->win != win_cbar)
    return 0;
 
  if (nc->event_subtype == NT_WINDOW_STATE)
  {
    win_cbar->actions |= WA_RECALC;
    mutt_debug(LL_DEBUG5, "window state done, request WA_RECALC\n");
  }
  else if (nc->event_subtype == NT_WINDOW_DELETE)
  {
    struct MuttWindow *dlg = win_cbar->parent;
    struct ComposeSharedData *shared = dlg->wdata;
 
    mutt_color_observer_remove(cbar_color_observer, win_cbar);
    notify_observer_remove(NeoMutt->sub->notify, cbar_config_observer, win_cbar);
    notify_observer_remove(shared->email->notify, cbar_email_observer, win_cbar);
    notify_observer_remove(win_cbar->notify, cbar_window_observer, win_cbar);
 
    mutt_debug(LL_DEBUG5, "window delete done\n");
  }
 
  return 0;
}
 
struct MuttWindow *cbar_new(struct ComposeSharedData *shared)
{
  struct MuttWindow *win_cbar = mutt_window_new(WT_STATUS_BAR, MUTT_WIN_ORIENT_VERTICAL,
                                                MUTT_WIN_SIZE_FIXED,
                                                MUTT_WIN_SIZE_UNLIMITED, 1);
 
  win_cbar->wdata = cbar_data_new();
  win_cbar->wdata_free = cbar_data_free;
  win_cbar->recalc = cbar_recalc;
  win_cbar->repaint = cbar_repaint;
 
  mutt_color_observer_add(cbar_color_observer, win_cbar);
  notify_observer_add(NeoMutt->sub->notify, NT_CONFIG, cbar_config_observer, win_cbar);
  notify_observer_add(shared->email->notify, NT_EMAIL, cbar_email_observer, win_cbar);
  notify_observer_add(win_cbar->notify, NT_WINDOW, cbar_window_observer, win_cbar);
 
  return win_cbar;
}
 
const struct ExpandoRenderData ComposeRenderData[] = {
  // clang-format off
  { ED_COMPOSE, ED_COM_ATTACH_COUNT, NULL,      compose_a_num },
  { ED_GLOBAL,  ED_GLO_HOSTNAME,     compose_h, NULL },
  { ED_COMPOSE, ED_COM_ATTACH_SIZE,  compose_l, compose_l_num },
  { ED_GLOBAL,  ED_GLO_VERSION,      compose_v, NULL },
  { -1, -1, NULL, NULL },
  // clang-format on
};