From 971df8d215a0e10c87f67f3505345e15efcffb8e Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <calcurse@cryptocrack.de>
Date: Thu, 14 Feb 2013 11:03:10 +0100
Subject: todo.c: Split out UI-related functions

* Move UI-related functions to "ui-todo.c".
* Rename UI-related functions to ui_todo_*().

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
---
 src/calcurse.c |  66 +++++++++---------
 src/calcurse.h |  26 ++++----
 src/io.c       |   4 +-
 src/todo.c     | 179 -------------------------------------------------
 src/ui-todo.c  | 207 +++++++++++++++++++++++++++++++++++++++++++++++++++++----
 src/wins.c     |   2 +-
 6 files changed, 242 insertions(+), 242 deletions(-)

diff --git a/src/calcurse.c b/src/calcurse.c
index 3bb1c8c..227c83f 100644
--- a/src/calcurse.c
+++ b/src/calcurse.c
@@ -70,8 +70,8 @@ static inline void key_generic_change_view(void)
   /* Select the event to highlight. */
   switch (wins_slctd()) {
   case TOD:
-    if ((todo_hilt() == 0) && (todo_nb() > 0))
-      todo_hilt_set(1);
+    if ((ui_todo_hilt() == 0) && (ui_todo_nb() > 0))
+      ui_todo_hilt_set(1);
     break;
   case APP:
     if ((ui_day_hilt() == 0) && ((inday.nb_events + inday.nb_apoints) > 0))
@@ -111,8 +111,8 @@ static inline void key_view_item(void)
 {
   if ((wins_slctd() == APP) && (ui_day_hilt() != 0))
     day_popup_item(day_get_item(ui_day_hilt()));
-  else if ((wins_slctd() == TOD) && (todo_hilt() != 0))
-    item_in_popup(NULL, NULL, todo_saved_mesg(), _("To do :"));
+  else if ((wins_slctd() == TOD) && (ui_todo_hilt() != 0))
+    item_in_popup(NULL, NULL, ui_todo_saved_mesg(), _("To do :"));
   wins_update(FLAG_ALL);
 }
 
@@ -134,8 +134,8 @@ static inline void key_generic_add_appt(void)
 static inline void key_generic_add_todo(void)
 {
   ui_todo_add();
-  if (todo_hilt() == 0 && todo_nb() == 1)
-    todo_hilt_increase(1);
+  if (ui_todo_hilt() == 0 && ui_todo_nb() == 1)
+    ui_todo_hilt_increase(1);
   wins_update(FLAG_TOD | FLAG_STA);
 }
 
@@ -149,8 +149,8 @@ static inline void key_add_item(void)
     break;
   case TOD:
     ui_todo_add();
-    if (todo_hilt() == 0 && todo_nb() == 1)
-      todo_hilt_increase(1);
+    if (ui_todo_hilt() == 0 && ui_todo_nb() == 1)
+      ui_todo_hilt_increase(1);
     wins_update(FLAG_TOD | FLAG_STA);
     break;
   default:
@@ -164,7 +164,7 @@ static inline void key_edit_item(void)
     ui_day_item_edit();
     inday = do_storage(0);
     wins_update(FLAG_CAL | FLAG_APP | FLAG_STA);
-  } else if (wins_slctd() == TOD && todo_hilt() != 0) {
+  } else if (wins_slctd() == TOD && ui_todo_hilt() != 0) {
     ui_todo_edit();
     wins_update(FLAG_TOD | FLAG_STA);
   }
@@ -176,7 +176,7 @@ static inline void key_del_item(void)
     ui_day_item_delete(&inday.nb_events, &inday.nb_apoints, reg);
     inday = do_storage(0);
     wins_update(FLAG_CAL | FLAG_APP | FLAG_STA);
-  } else if (wins_slctd() == TOD && todo_hilt() != 0) {
+  } else if (wins_slctd() == TOD && ui_todo_hilt() != 0) {
     ui_todo_delete();
     wins_update(FLAG_TOD | FLAG_STA);
   }
@@ -214,8 +214,8 @@ static inline void key_flag_item(void)
     day_item_switch_notify(day_get_item(ui_day_hilt()));
     inday = do_storage(0);
     wins_update(FLAG_APP);
-  } else if (wins_slctd() == TOD && todo_hilt() != 0) {
-    todo_flag(todo_get_item(todo_hilt()));
+  } else if (wins_slctd() == TOD && ui_todo_hilt() != 0) {
+    todo_flag(todo_get_item(ui_todo_hilt()));
     wins_update(FLAG_TOD);
   }
 }
@@ -224,19 +224,19 @@ static inline void key_pipe_item(void)
 {
   if (wins_slctd() == APP && ui_day_hilt() != 0)
     ui_day_item_pipe();
-  else if (wins_slctd() == TOD && todo_hilt() != 0)
+  else if (wins_slctd() == TOD && ui_todo_hilt() != 0)
     ui_todo_pipe();
   wins_update(FLAG_ALL);
 }
 
 static inline void change_priority(int diff)
 {
-  if (wins_slctd() == TOD && todo_hilt() != 0) {
-    todo_chg_priority(todo_get_item(todo_hilt()), diff);
-    if (todo_hilt_pos() < 0)
-      todo_set_first(todo_hilt());
-    else if (todo_hilt_pos() >= win[TOD].h - 4)
-      todo_set_first(todo_hilt() - win[TOD].h + 5);
+  if (wins_slctd() == TOD && ui_todo_hilt() != 0) {
+    ui_todo_chg_priority(todo_get_item(ui_todo_hilt()), diff);
+    if (ui_todo_hilt_pos() < 0)
+      ui_todo_set_first(ui_todo_hilt());
+    else if (ui_todo_hilt_pos() >= win[TOD].h - 4)
+      ui_todo_set_first(ui_todo_hilt() - win[TOD].h + 5);
     wins_update(FLAG_TOD);
   }
 }
@@ -256,8 +256,8 @@ static inline void key_edit_note(void)
   if (wins_slctd() == APP && ui_day_hilt() != 0) {
     day_edit_note(day_get_item(ui_day_hilt()), conf.editor);
     inday = do_storage(0);
-  } else if (wins_slctd() == TOD && todo_hilt() != 0)
-    todo_edit_note(todo_get_item(todo_hilt()), conf.editor);
+  } else if (wins_slctd() == TOD && ui_todo_hilt() != 0)
+    todo_edit_note(todo_get_item(ui_todo_hilt()), conf.editor);
   wins_update(FLAG_ALL);
 }
 
@@ -265,8 +265,8 @@ static inline void key_view_note(void)
 {
   if (wins_slctd() == APP && ui_day_hilt() != 0)
     day_view_note(day_get_item(ui_day_hilt()), conf.pager);
-  else if (wins_slctd() == TOD && todo_hilt() != 0)
-    todo_view_note(todo_get_item(todo_hilt()), conf.pager);
+  else if (wins_slctd() == TOD && ui_todo_hilt() != 0)
+    todo_view_note(todo_get_item(ui_todo_hilt()), conf.pager);
   wins_update(FLAG_ALL);
 }
 
@@ -359,11 +359,11 @@ static inline void key_move_up(void)
     ui_day_scroll_pad_up(inday.nb_events);
     wins_update(FLAG_APP);
   } else if (wins_slctd() == TOD) {
-    if (count >= todo_hilt())
-      count = todo_hilt() - 1;
-    todo_hilt_decrease(count);
-    if (todo_hilt_pos() < 0)
-      todo_first_increase(todo_hilt_pos());
+    if (count >= ui_todo_hilt())
+      count = ui_todo_hilt() - 1;
+    ui_todo_hilt_decrease(count);
+    if (ui_todo_hilt_pos() < 0)
+      ui_todo_first_increase(ui_todo_hilt_pos());
     wins_update(FLAG_TOD);
   }
 }
@@ -386,11 +386,11 @@ static inline void key_move_down(void)
     ui_day_scroll_pad_down(inday.nb_events, win[APP].h);
     wins_update(FLAG_APP);
   } else if (wins_slctd() == TOD) {
-    if (count > todo_nb() - todo_hilt())
-      count = todo_nb() - todo_hilt();
-    todo_hilt_increase(count);
-    if (todo_hilt_pos() >= win[TOD].h - 4)
-      todo_first_increase(todo_hilt_pos() - win[TOD].h + 5);
+    if (count > ui_todo_nb() - ui_todo_hilt())
+      count = ui_todo_nb() - ui_todo_hilt();
+    ui_todo_hilt_increase(count);
+    if (ui_todo_hilt_pos() >= win[TOD].h - 4)
+      ui_todo_first_increase(ui_todo_hilt_pos() - win[TOD].h + 5);
     wins_update(FLAG_TOD);
   }
 }
diff --git a/src/calcurse.h b/src/calcurse.h
index 46eb56c..22c4fe8 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -914,24 +914,24 @@ void sigs_unignore(void);
 /* todo.c */
 extern llist_t todolist;
 struct todo *todo_get_item(int);
-void todo_hilt_set(int);
-void todo_hilt_decrease(int);
-void todo_hilt_increase(int);
-int todo_hilt(void);
-int todo_nb(void);
-void todo_set_nb(int);
-void todo_set_first(int);
-void todo_first_increase(int);
-void todo_first_decrease(int);
-int todo_hilt_pos(void);
-char *todo_saved_mesg(void);
+void ui_todo_hilt_set(int);
+void ui_todo_hilt_decrease(int);
+void ui_todo_hilt_increase(int);
+int ui_todo_hilt(void);
+int ui_todo_nb(void);
+void ui_todo_set_nb(int);
+void ui_todo_set_first(int);
+void ui_todo_first_increase(int);
+void ui_todo_first_decrease(int);
+int ui_todo_hilt_pos(void);
+char *ui_todo_saved_mesg(void);
 struct todo *todo_add(char *, int, char *);
 void todo_write(struct todo *, FILE *);
 void todo_delete_note(struct todo *);
 void todo_delete(struct todo *);
 void todo_flag(struct todo *);
-void todo_chg_priority(struct todo *, int);
-void todo_update_panel(int);
+void ui_todo_chg_priority(struct todo *, int);
+void ui_todo_update_panel(int);
 void todo_edit_note(struct todo *, const char *);
 void todo_view_note(struct todo *, const char *);
 void todo_free(struct todo *);
diff --git a/src/io.c b/src/io.c
index 8923ba5..144ef67 100644
--- a/src/io.c
+++ b/src/io.c
@@ -640,7 +640,7 @@ void io_load_todo(void)
     ++nb_tod;
   }
   file_close(data_file, __FILE_POS__);
-  todo_set_nb(nb_tod);
+  ui_todo_set_nb(nb_tod);
 }
 
 static void
@@ -1022,7 +1022,7 @@ void io_import_data(enum import_type type, const char *stream_name)
   snprintf(stats_str[3], BUFSIZ, _("%d skipped"), stats.skipped);
 
   /* Update the number of todo items. */
-  todo_set_nb(todo_nb() + stats.todos);
+  ui_todo_set_nb(ui_todo_nb() + stats.todos);
 
   if (ui_mode == UI_CURSES && conf.system_dialogs) {
     char read[BUFSIZ], stat[BUFSIZ];
diff --git a/src/todo.c b/src/todo.c
index 015f43f..160e84a 100644
--- a/src/todo.c
+++ b/src/todo.c
@@ -41,10 +41,6 @@
 #include "calcurse.h"
 
 llist_t todolist;
-static int hilt = 0;
-static int todos = 0;
-static int first = 1;
-static char *msgsav;
 
 /* Returns a structure containing the selected item. */
 struct todo *todo_get_item(int item_number)
@@ -52,71 +48,6 @@ struct todo *todo_get_item(int item_number)
   return LLIST_GET_DATA(LLIST_NTH(&todolist, item_number - 1));
 }
 
-/* Sets which todo is highlighted. */
-void todo_hilt_set(int highlighted)
-{
-  hilt = highlighted;
-}
-
-void todo_hilt_decrease(int n)
-{
-  hilt -= n;
-}
-
-void todo_hilt_increase(int n)
-{
-  hilt += n;
-}
-
-/* Return which todo is highlighted. */
-int todo_hilt(void)
-{
-  return hilt;
-}
-
-/* Return the number of todos. */
-int todo_nb(void)
-{
-  return todos;
-}
-
-/* Set the number of todos. */
-void todo_set_nb(int nb)
-{
-  todos = nb;
-}
-
-/* Set which one is the first todo to be displayed. */
-void todo_set_first(int nb)
-{
-  first = nb;
-}
-
-void todo_first_increase(int n)
-{
-  first += n;
-}
-
-void todo_first_decrease(int n)
-{
-  first -= n;
-}
-
-/*
- * Return the position of the hilghlighted item, relative to the first one
- * displayed.
- */
-int todo_hilt_pos(void)
-{
-  return hilt - first;
-}
-
-/* Return the last visited todo. */
-char *todo_saved_mesg(void)
-{
-  return msgsav;
-}
-
 static int todo_cmp_id(struct todo *a, struct todo *b)
 {
   /*
@@ -207,116 +138,6 @@ static int todo_get_position(struct todo *needle)
   return -1;                    /* avoid compiler warnings */
 }
 
-/* Change an item priority by pressing '+' or '-' inside TODO panel. */
-void todo_chg_priority(struct todo *backup, int diff)
-{
-  char backup_mesg[BUFSIZ];
-  int backup_id;
-  char backup_note[MAX_NOTESIZ + 1];
-
-  strncpy(backup_mesg, backup->mesg, strlen(backup->mesg) + 1);
-  backup_id = backup->id;
-  if (backup->note)
-    strncpy(backup_note, backup->note, MAX_NOTESIZ + 1);
-  else
-    backup_note[0] = '\0';
-
-  backup_id += diff;
-  if (backup_id < 1)
-    backup_id = 1;
-  else if (backup_id > 9)
-    backup_id = 9;
-
-  todo_delete(todo_get_item(hilt));
-  backup = todo_add(backup_mesg, backup_id, backup_note);
-  hilt = todo_get_position(backup);
-}
-
-/* Display todo items in the corresponding panel. */
-static void
-display_todo_item(int incolor, char *msg, int prio, int note, int width, int y,
-                  int x)
-{
-  WINDOW *w;
-  int ch_note;
-  char buf[width * UTF8_MAXLEN], priostr[2];
-  int i;
-
-  w = win[TOD].p;
-  ch_note = (note) ? '>' : '.';
-  if (prio > 0)
-    snprintf(priostr, sizeof priostr, "%d", prio);
-  else
-    strncpy(priostr, "X", sizeof priostr);
-
-  if (incolor == 0)
-    custom_apply_attr(w, ATTR_HIGHEST);
-  if (utf8_strwidth(msg) < width)
-    mvwprintw(w, y, x, "%s%c %s", priostr, ch_note, msg);
-  else {
-    for (i = 0; msg[i] && width > 0; i++) {
-      if (!UTF8_ISCONT(msg[i]))
-        width -= utf8_width(&msg[i]);
-      buf[i] = msg[i];
-    }
-    if (i)
-      buf[i - 1] = 0;
-    else
-      buf[0] = 0;
-    mvwprintw(w, y, x, "%s%c %s...", priostr, ch_note, buf);
-  }
-  if (incolor == 0)
-    custom_remove_attr(w, ATTR_HIGHEST);
-}
-
-/* Updates the ToDo panel. */
-void todo_update_panel(int which_pan)
-{
-  llist_item_t *i;
-  int len = win[TOD].w - 8;
-  int num_todo = 0;
-  int title_lines = conf.compact_panels ? 1 : 3;
-  int y_offset = title_lines, x_offset = 1;
-  int t_realpos = -1;
-  int todo_lines = 1;
-  int max_items = win[TOD].h - 4;
-  int incolor = -1;
-
-  if ((int)win[TOD].h < 4)
-    return;
-
-  /* Print todo item in the panel. */
-  erase_window_part(win[TOD].p, 1, title_lines, win[TOD].w - 2, win[TOD].h - 2);
-  LLIST_FOREACH(&todolist, i) {
-    struct todo *todo = LLIST_TS_GET_DATA(i);
-    num_todo++;
-    t_realpos = num_todo - first;
-    incolor = (which_pan == TOD) ? num_todo - hilt : num_todo;
-    if (incolor == 0)
-      msgsav = todo->mesg;
-    if (t_realpos >= 0 && t_realpos < max_items) {
-      display_todo_item(incolor, todo->mesg, todo->id,
-                        (todo->note != NULL) ? 1 : 0, len, y_offset, x_offset);
-      y_offset = y_offset + todo_lines;
-    }
-  }
-
-  /* Draw the scrollbar if necessary. */
-  if (todos > max_items) {
-    int sbar_length = max_items * (max_items + 1) / todos;
-    int highend = max_items * first / todos;
-    unsigned hilt_bar = (which_pan == TOD) ? 1 : 0;
-    int sbar_top = highend + title_lines;
-
-    if ((sbar_top + sbar_length) > win[TOD].h - 1)
-      sbar_length = win[TOD].h - 1 - sbar_top;
-    draw_scrollbar(win[TOD].p, sbar_top, win[TOD].w - 2,
-                   sbar_length, title_lines, win[TOD].h - 1, hilt_bar);
-  }
-
-  wnoutrefresh(win[TOD].p);
-}
-
 /* Attach a note to a todo */
 void todo_edit_note(struct todo *i, const char *editor)
 {
diff --git a/src/ui-todo.c b/src/ui-todo.c
index d8f659c..145d911 100644
--- a/src/ui-todo.c
+++ b/src/ui-todo.c
@@ -36,6 +36,11 @@
 
 #include "calcurse.h"
 
+static int hilt = 0;
+static int todos = 0;
+static int first = 1;
+static char *msgsav;
+
 /* Request user to enter a new todo item. */
 void ui_todo_add(void)
 {
@@ -52,7 +57,7 @@ void ui_todo_add(void)
       ch = wgetch(win[KEY].p);
     }
     todo_add(todo_input, ch - '0', NULL);
-    todo_set_nb(todo_nb() + 1);
+    ui_todo_set_nb(ui_todo_nb() + 1);
   }
 }
 
@@ -67,31 +72,31 @@ void ui_todo_delete(void)
   const int nb_erase_choice = 2;
   int answer;
 
-  if ((todo_nb() <= 0) ||
+  if ((ui_todo_nb() <= 0) ||
       (conf.confirm_delete && (status_ask_bool(del_todo_str) != 1))) {
     wins_erase_status_bar();
     return;
   }
 
   /* This todo item doesn't have any note associated. */
-  if (todo_get_item(todo_hilt())->note == NULL)
+  if (todo_get_item(ui_todo_hilt())->note == NULL)
     answer = 1;
   else
     answer = status_ask_choice(erase_warning, erase_choice, nb_erase_choice);
 
   switch (answer) {
   case 1:
-    todo_delete(todo_get_item(todo_hilt()));
-    todo_set_nb(todo_nb() - 1);
-    if (todo_hilt() > 1)
-      todo_hilt_decrease(1);
-    if (todo_nb() == 0)
-      todo_hilt_set(0);
-    if (todo_hilt_pos() < 0)
-      todo_first_decrease(1);
+    todo_delete(todo_get_item(ui_todo_hilt()));
+    ui_todo_set_nb(ui_todo_nb() - 1);
+    if (ui_todo_hilt() > 1)
+      ui_todo_hilt_decrease(1);
+    if (ui_todo_nb() == 0)
+      ui_todo_hilt_set(0);
+    if (ui_todo_hilt_pos() < 0)
+      ui_todo_first_decrease(1);
     break;
   case 2:
-    todo_delete_note(todo_get_item(todo_hilt()));
+    todo_delete_note(todo_get_item(ui_todo_hilt()));
     break;
   default:
     wins_erase_status_bar();
@@ -106,7 +111,7 @@ void ui_todo_edit(void)
   const char *mesg = _("Enter the new ToDo description :");
 
   status_mesg(mesg, "");
-  i = todo_get_item(todo_hilt());
+  i = todo_get_item(ui_todo_hilt());
   updatestring(win[STA].p, &i->mesg, 0, 1);
 }
 
@@ -128,7 +133,7 @@ void ui_todo_pipe(void)
   if ((pid = shell_exec(NULL, &pout, *arg, arg))) {
     fpout = fdopen(pout, "w");
 
-    todo = todo_get_item(todo_hilt());
+    todo = todo_get_item(ui_todo_hilt());
     todo_write(todo, fpout);
 
     fclose(fpout);
@@ -138,3 +143,177 @@ void ui_todo_pipe(void)
   wins_unprepare_external();
 }
 
+/* Sets which todo is highlighted. */
+void ui_todo_hilt_set(int highlighted)
+{
+  hilt = highlighted;
+}
+
+void ui_todo_hilt_decrease(int n)
+{
+  hilt -= n;
+}
+
+void ui_todo_hilt_increase(int n)
+{
+  hilt += n;
+}
+
+/* Return which todo is highlighted. */
+int ui_todo_hilt(void)
+{
+  return hilt;
+}
+
+/* Set the number of todos. */
+void ui_todo_set_nb(int nb)
+{
+  todos = nb;
+}
+
+/* Set which one is the first todo to be displayed. */
+void ui_todo_set_first(int nb)
+{
+  first = nb;
+}
+
+void ui_todo_first_increase(int n)
+{
+  first += n;
+}
+
+void ui_todo_first_decrease(int n)
+{
+  first -= n;
+}
+
+/*
+ * Return the position of the hilghlighted item, relative to the first one
+ * displayed.
+ */
+int ui_todo_hilt_pos(void)
+{
+  return hilt - first;
+}
+
+/* Return the number of todos. */
+int ui_todo_nb(void)
+{
+  return todos;
+}
+
+/* Return the last visited todo. */
+char *ui_todo_saved_mesg(void)
+{
+  return msgsav;
+}
+
+/* Display todo items in the corresponding panel. */
+static void
+display_todo_item(int incolor, char *msg, int prio, int note, int width, int y,
+                  int x)
+{
+  WINDOW *w;
+  int ch_note;
+  char buf[width * UTF8_MAXLEN], priostr[2];
+  int i;
+
+  w = win[TOD].p;
+  ch_note = (note) ? '>' : '.';
+  if (prio > 0)
+    snprintf(priostr, sizeof priostr, "%d", prio);
+  else
+    strncpy(priostr, "X", sizeof priostr);
+
+  if (incolor == 0)
+    custom_apply_attr(w, ATTR_HIGHEST);
+  if (utf8_strwidth(msg) < width)
+    mvwprintw(w, y, x, "%s%c %s", priostr, ch_note, msg);
+  else {
+    for (i = 0; msg[i] && width > 0; i++) {
+      if (!UTF8_ISCONT(msg[i]))
+        width -= utf8_width(&msg[i]);
+      buf[i] = msg[i];
+    }
+    if (i)
+      buf[i - 1] = 0;
+    else
+      buf[0] = 0;
+    mvwprintw(w, y, x, "%s%c %s...", priostr, ch_note, buf);
+  }
+  if (incolor == 0)
+    custom_remove_attr(w, ATTR_HIGHEST);
+}
+
+/* Updates the ToDo panel. */
+void ui_todo_update_panel(int which_pan)
+{
+  llist_item_t *i;
+  int len = win[TOD].w - 8;
+  int num_todo = 0;
+  int title_lines = conf.compact_panels ? 1 : 3;
+  int y_offset = title_lines, x_offset = 1;
+  int t_realpos = -1;
+  int todo_lines = 1;
+  int max_items = win[TOD].h - 4;
+  int incolor = -1;
+
+  if ((int)win[TOD].h < 4)
+    return;
+
+  /* Print todo item in the panel. */
+  erase_window_part(win[TOD].p, 1, title_lines, win[TOD].w - 2, win[TOD].h - 2);
+  LLIST_FOREACH(&todolist, i) {
+    struct todo *todo = LLIST_TS_GET_DATA(i);
+    num_todo++;
+    t_realpos = num_todo - first;
+    incolor = (which_pan == TOD) ? num_todo - hilt : num_todo;
+    if (incolor == 0)
+      msgsav = todo->mesg;
+    if (t_realpos >= 0 && t_realpos < max_items) {
+      display_todo_item(incolor, todo->mesg, todo->id,
+                        (todo->note != NULL) ? 1 : 0, len, y_offset, x_offset);
+      y_offset = y_offset + todo_lines;
+    }
+  }
+
+  /* Draw the scrollbar if necessary. */
+  if (todos > max_items) {
+    int sbar_length = max_items * (max_items + 1) / todos;
+    int highend = max_items * first / todos;
+    unsigned hilt_bar = (which_pan == TOD) ? 1 : 0;
+    int sbar_top = highend + title_lines;
+
+    if ((sbar_top + sbar_length) > win[TOD].h - 1)
+      sbar_length = win[TOD].h - 1 - sbar_top;
+    draw_scrollbar(win[TOD].p, sbar_top, win[TOD].w - 2,
+                   sbar_length, title_lines, win[TOD].h - 1, hilt_bar);
+  }
+
+  wnoutrefresh(win[TOD].p);
+}
+
+/* Change an item priority by pressing '+' or '-' inside TODO panel. */
+void ui_todo_chg_priority(struct todo *backup, int diff)
+{
+  char backup_mesg[BUFSIZ];
+  int backup_id;
+  char backup_note[MAX_NOTESIZ + 1];
+
+  strncpy(backup_mesg, backup->mesg, strlen(backup->mesg) + 1);
+  backup_id = backup->id;
+  if (backup->note)
+    strncpy(backup_note, backup->note, MAX_NOTESIZ + 1);
+  else
+    backup_note[0] = '\0';
+
+  backup_id += diff;
+  if (backup_id < 1)
+    backup_id = 1;
+  else if (backup_id > 9)
+    backup_id = 9;
+
+  todo_delete(todo_get_item(hilt));
+  backup = todo_add(backup_mesg, backup_id, backup_note);
+  hilt = todo_get_position(backup);
+}
diff --git a/src/wins.c b/src/wins.c
index 85316aa..6274a19 100644
--- a/src/wins.c
+++ b/src/wins.c
@@ -497,7 +497,7 @@ void wins_update_panels(int flags)
   if (flags & FLAG_APP)
     ui_day_update_panel(slctd_win);
   if (flags & FLAG_TOD)
-    todo_update_panel(slctd_win);
+    ui_todo_update_panel(slctd_win);
   if (flags & FLAG_CAL)
     calendar_update_panel(&win[CAL]);
 }
-- 
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