msgwin.c

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#include "config.h"
#include "mutt/lib.h"
#include "msgwin.h"
#include "color/lib.h"
#include "mutt_curses.h"
#include "mutt_window.h"
 
static struct MuttWindow *MessageWindow = NULL;
 
struct MsgWinPrivateData
{
  enum ColorId cid; 
  char *text;       
};
 
static int msgwin_recalc(struct MuttWindow *win)
{
  if (window_is_focused(win)) // Someone else is using it
    return 0;
 
  win->actions |= WA_REPAINT;
  mutt_debug(LL_DEBUG5, "recalc done, request WA_REPAINT\n");
  return 0;
}
 
static int msgwin_repaint(struct MuttWindow *win)
{
  if (window_is_focused(win)) // someone else is using it
    return 0;
 
  struct MsgWinPrivateData *priv = win->wdata;
 
  mutt_window_move(win, 0, 0);
 
  mutt_curses_set_normal_backed_color_by_id(priv->cid);
  mutt_window_move(win, 0, 0);
  mutt_window_addstr(win, priv->text);
  mutt_curses_set_color_by_id(MT_COLOR_NORMAL);
  mutt_window_clrtoeol(win);
 
  mutt_debug(LL_DEBUG5, "repaint done\n");
  return 0;
}
 
static int msgwin_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_msg = nc->global_data;
  struct EventWindow *ev_w = nc->event_data;
  if (ev_w->win != win_msg)
    return 0;
 
  if (nc->event_subtype == NT_WINDOW_STATE)
  {
    win_msg->actions |= WA_RECALC;
    mutt_debug(LL_NOTIFY, "window state done, request WA_RECALC\n");
  }
  else if (nc->event_subtype == NT_WINDOW_DELETE)
  {
    notify_observer_remove(win_msg->notify, msgwin_window_observer, win_msg);
    MessageWindow = NULL;
    mutt_debug(LL_DEBUG5, "window delete done\n");
  }
  return 0;
}
 
static void msgwin_wdata_free(struct MuttWindow *win, void **ptr)
{
  struct MsgWinPrivateData *priv = *ptr;
 
  FREE(&priv->text);
 
  FREE(ptr);
}
 
static struct MsgWinPrivateData *msgwin_wdata_new(void)
{
  struct MsgWinPrivateData *msgwin_data = mutt_mem_calloc(1, sizeof(struct MsgWinPrivateData));
 
  msgwin_data->cid = MT_COLOR_NORMAL;
 
  return msgwin_data;
}
 
struct MuttWindow *msgwin_new(void)
{
  MessageWindow = mutt_window_new(WT_MESSAGE, MUTT_WIN_ORIENT_VERTICAL,
                                  MUTT_WIN_SIZE_FIXED, MUTT_WIN_SIZE_UNLIMITED, 1);
  MessageWindow->wdata = msgwin_wdata_new();
  MessageWindow->wdata_free = msgwin_wdata_free;
  MessageWindow->recalc = msgwin_recalc;
  MessageWindow->repaint = msgwin_repaint;
 
  notify_observer_add(MessageWindow->notify, NT_WINDOW, msgwin_window_observer, MessageWindow);
 
  return MessageWindow;
}
 
const char *msgwin_get_text(void)
{
  if (!MessageWindow)
    return NULL;
 
  struct MsgWinPrivateData *priv = MessageWindow->wdata;
 
  return priv->text;
}
 
void msgwin_set_text(enum ColorId cid, const char *text)
{
  if (!MessageWindow)
    return;
 
  struct MsgWinPrivateData *priv = MessageWindow->wdata;
 
  priv->cid = cid;
  mutt_str_replace(&priv->text, text);
 
  MessageWindow->actions |= WA_RECALC;
}
 
void msgwin_clear_text(void)
{
  msgwin_set_text(MT_COLOR_NORMAL, NULL);
}
 
struct MuttWindow *msgwin_get_window(void)
{
  return MessageWindow;
}
 
size_t msgwin_get_width(void)
{
  if (!MessageWindow)
    return 0;
 
  return MessageWindow->state.cols;
}
 
void msgwin_set_height(short height)
{
  if (!MessageWindow)
    return;
 
  if (height < 1)
    height = 1;
  else if (height > 3)
    height = 3;
 
  struct MuttWindow *win_cont = MessageWindow->parent;
 
  win_cont->req_rows = height;
  mutt_window_reflow(win_cont->parent);
}