/* $calcurse: wins.c,v 1.27 2009/08/25 14:51:05 culot Exp $ */
/*
* Calcurse - text-based organizer
*
* Copyright (c) 2007-2009 Frederic Culot <frederic@culot.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "i18n.h"
#include "keys.h"
#include "notify.h"
#include "utils.h"
#include "todo.h"
#include "custom.h"
#include "mem.h"
#include "wins.h"
/* Variables to handle calcurse windows. */
window_t win[NBWINS];
static window_e slctd_win;
static int layout;
/* Get the current layout. */
int
wins_layout (void)
{
return (layout);
}
/* Set the current layout. */
void
wins_set_layout (int nb)
{
layout = nb;
}
/* Initialize the selected window in calcurse's interface. */
void
wins_slctd_init (void)
{
wins_slctd_set (CAL);
}
/* Returns an enum which corresponds to the window which is selected. */
window_e
wins_slctd (void)
{
return (slctd_win);
}
/* Sets the selected window. */
void
wins_slctd_set (window_e window)
{
slctd_win = window;
}
/* TAB key was hit in the interface, need to select next window. */
void
wins_slctd_next (void)
{
if (slctd_win == TOD)
slctd_win = CAL;
else
slctd_win++;
}
/* Create all the windows. */
void
wins_init (void)
{
char label[BUFSIZ];
/*
* Create the three main windows plus the status bar and the pad used to
* display appointments and event.
*/
win[CAL].p = newwin (CALHEIGHT, CALWIDTH, win[CAL].y, win[CAL].x);
(void)snprintf (label, BUFSIZ, _("Calendar"));
wins_show (win[CAL].p, label);
win[APP].p = newwin (win[APP].h, win[APP].w, win[APP].y, win[APP].x);
(void)snprintf (label, BUFSIZ, _("Appointments"));
wins_show (win[APP].p, label);
apad.width = win[APP].w - 3;
apad.ptrwin = newpad (apad.length, apad.width);
win[TOD].p = newwin (win[TOD].h, win[TOD].w, win[TOD].y, win[TOD].x);
(void)snprintf (label, BUFSIZ, _("ToDo"));
wins_show (win[TOD].p, label);
win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y, win[STA].x);
/* Enable function keys (i.e. arrow keys) in those windows */
keypad (win[CAL].p, TRUE);
keypad (win[APP].p, TRUE);
keypad (win[TOD].p, TRUE);
keypad (win[STA].p, TRUE);
/* Notify that the curses mode is now launched. */
ui_mode = UI_CURSES;
}
/*
* Create a new window and its associated pad, which is used to make the
* scrolling faster.
*/
void
wins_scrollwin_init (scrollwin_t *sw)
{
EXIT_IF (sw == 0, "null pointer");
sw->win.p = newwin (sw->win.h, sw->win.w, sw->win.y, sw->win.x);
sw->pad.p = newpad (sw->pad.h, sw->pad.w);
sw->first_visible_line = 0;
sw->total_lines = 0;
}
/* Free an already created scrollwin. */
void
wins_scrollwin_delete (scrollwin_t *sw)
{
EXIT_IF (sw == 0, "null pointer");
delwin(sw->win.p);
delwin(sw->pad.p);
}
/* Display a scrolling window. */
void
wins_scrollwin_display (scrollwin_t *sw)
{
const int visible_lines = sw->win.h - sw->pad.y - 1;
if (sw->total_lines > visible_lines)
{
float ratio = ((float) visible_lines) / ((float) sw->total_lines);
int sbar_length = (int) (ratio * visible_lines);
int highend = (int) (ratio * sw->first_visible_line);
int sbar_top = highend + sw->pad.y + 1;
if ((sbar_top + sbar_length) > sw->win.h - 1)
sbar_length = sw->win.h - sbar_top;
draw_scrollbar (sw->win.p, sbar_top, sw->win.w + sw->win.x - 2,
sbar_length, sw->pad.y + 1, sw->win.h - 1, 1);
}
wmove (win[STA].p, 0, 0);
wnoutrefresh (sw->win.p);
pnoutrefresh (sw->pad.p, sw->first_visible_line, 0, sw->pad.y, sw->pad.x,
sw->win.h - sw->pad.y + 1, sw->win.w - sw->win.x);
doupdate ();
}
void
wins_scrollwin_up (scrollwin_t *sw, int amount)
{
if (sw->first_visible_line > 0)
sw->first_visible_line -= amount;
}
void
wins_scrollwin_down (scrollwin_t *sw, int amount)
{
if (sw->total_lines
> (sw->first_visible_line + sw->win.h - sw->pad.y - 1))
sw->first_visible_line += amount;
}
/*
* Delete the existing windows and recreate them with their new
* size and placement.
*/
void
wins_reinit (void)
{
delwin (win[STA].p);
delwin (win[CAL].p);
delwin (win[APP].p);
delwin (apad.ptrwin);
delwin (win[TOD].p);
wins_get_config ();
wins_init ();
if (notify_bar ())
notify_reinit_bar ();
}
/* Show the window with a border and a label. */
void
wins_show (WINDOW *win, char *label)
{
int startx, starty, height, width;
getbegyx (win, starty, startx);
getmaxyx (win, height, width);
box (win, 0, 0);
mvwaddch (win, 2, 0, ACS_LTEE);
mvwhline (win, 2, 1, ACS_HLINE, width - 2);
mvwaddch (win, 2, width - 1, ACS_RTEE);
print_in_middle (win, 1, 0, width, label);
}
/*
* Get the screen size and recalculate the windows configurations.
*/
void
wins_get_config (void)
{
/* Get the screen configuration */
getmaxyx (stdscr, row, col);
/* fixed values for status, notification bars and calendar */
win[STA].h = STATUSHEIGHT;
win[STA].w = col;
win[STA].y = row - win[STA].h;
win[STA].x = 0;
if (notify_bar ())
{
win[NOT].h = 1;
win[NOT].w = col;
win[NOT].y = win[STA].y - 1;
win[NOT].x = 0;
}
else
{
win[NOT].h = 0;
win[NOT].w = 0;
win[NOT].y = 0;
win[NOT].x = 0;
}
win[CAL].w = CALWIDTH;
win[CAL].h = CALHEIGHT;
if (layout <= 4)
{ /* APPOINTMENT is the biggest panel */
win[APP].w = col - win[CAL].w;
win[APP].h = row - (win[STA].h + win[NOT].h);
win[TOD].w = win[CAL].w;
win[TOD].h = row - (win[CAL].h + win[STA].h + win[NOT].h);
}
else
{ /* TODO is the biggest panel */
win[TOD].w = col - win[CAL].w;
win[TOD].h = row - (win[STA].h + win[NOT].h);
win[APP].w = win[CAL].w;
win[APP].h = row - (win[CAL].h + win[STA].h + win[NOT].h);
}
/* defining the layout */
switch (layout)
{
case 1:
win[APP].y = 0;
win[APP].x = 0;
win[CAL].y = 0;
win[TOD].x = win[APP].w;
win[TOD].y = win[CAL].h;
win[CAL].x = win[APP].w;
break;
case 2:
win[APP].y = 0;
win[APP].x = 0;
win[TOD].y = 0;
win[TOD].x = win[APP].w;
win[CAL].x = win[APP].w;
win[CAL].y = win[TOD].h;
break;
case 3:
win[APP].y = 0;
win[TOD].x = 0;
win[CAL].x = 0;
win[CAL].y = 0;
win[APP].x = win[CAL].w;
win[TOD].y = win[CAL].h;
break;
case 4:
win[APP].y = 0;
win[TOD].x = 0;
win[TOD].y = 0;
win[CAL].x = 0;
win[APP].x = win[CAL].w;
win[CAL].y = win[TOD].h;
break;
case 5:
win[TOD].y = 0;
win[TOD].x = 0;
win[CAL].y = 0;
win[APP].y = win[CAL].h;
win[APP].x = win[TOD].w;
win[CAL].x = win[TOD].w;
break;
case 6:
win[TOD].y = 0;
win[TOD].x = 0;
win[APP].y = 0;
win[APP].x = win[TOD].w;
win[CAL].x = win[TOD].w;
win[CAL].y = win[APP].h;
break;
case 7:
win[TOD].y = 0;
win[APP].x = 0;
win[CAL].x = 0;
win[CAL].y = 0;
win[TOD].x = win[CAL].w;
win[APP].y = win[CAL].h;
break;
case 8:
win[TOD].y = 0;
win[APP].x = 0;
win[CAL].x = 0;
win[APP].y = 0;
win[TOD].x = win[CAL].w;
win[CAL].y = win[APP].h;
break;
}
}
/* draw panel border in color */
static void
border_color (WINDOW *window)
{
int color_attr = A_BOLD;
int no_color_attr = A_BOLD;
if (colorize)
{
wattron (window, color_attr | COLOR_PAIR (COLR_CUSTOM));
box (window, 0, 0);
}
else
{
wattron (window, no_color_attr);
box (window, 0, 0);
}
if (colorize)
{
wattroff (window, color_attr | COLOR_PAIR (COLR_CUSTOM));
}
else
{
wattroff (window, no_color_attr);
}
wnoutrefresh (window);
}
/* draw panel border without any color */
static void
border_nocolor (WINDOW *window)
{
int color_attr = A_BOLD;
int no_color_attr = A_DIM;
if (colorize)
{
wattron (window, color_attr | COLOR_PAIR (COLR_DEFAULT));
}
else
{
wattron (window, no_color_attr);
}
box (window, 0, 0);
if (colorize)
{
wattroff (window, color_attr | COLOR_PAIR (COLR_DEFAULT));
}
else
{
wattroff (window, no_color_attr);
}
wnoutrefresh (window);
}
/*
* Update all of the three windows and put a border around the
* selected window.
*/
void
wins_update (void)
{
switch (slctd_win)
{
case CAL:
border_color (win[CAL].p);
border_nocolor (win[APP].p);
border_nocolor (win[TOD].p);
break;
case APP:
border_color (win[APP].p);
border_nocolor (win[CAL].p);
border_nocolor (win[TOD].p);
break;
case TOD:
border_color (win[TOD].p);
border_nocolor (win[APP].p);
border_nocolor (win[CAL].p);
break;
default:
EXIT (_("no window selected"));
/* NOTREACHED */
}
apoint_update_panel (slctd_win);
todo_update_panel (slctd_win);
calendar_update_panel (&win[CAL]);
wins_status_bar ();
if (notify_bar ())
notify_update_bar ();
wmove (win[STA].p, 0, 0);
doupdate ();
}
/* Reset the screen, needed when resizing terminal for example. */
void
wins_reset (void)
{
endwin ();
refresh ();
curs_set (0);
wins_reinit ();
wins_update ();
}
/*
* While inside interactive mode, launch the external command cmd on the given
* file.
*/
void
wins_launch_external (const char *file, const char *cmd)
{
char *p;
int len;
/* Beware of space between cmd and file. */
len = strlen (file) + strlen (cmd) + 2;
p = (char *) mem_calloc (len, sizeof (char));
if (snprintf (p, len, "%s %s", cmd, file) == -1)
{
mem_free (p);
return;
}
if (notify_bar ())
notify_stop_main_thread ();
def_prog_mode ();
endwin ();
ui_mode = UI_CMDLINE;
clear ();
refresh ();
(void)system (p);
reset_prog_mode ();
clearok (curscr, TRUE);
curs_set (0);
ui_mode = UI_CURSES;
refresh ();
if (notify_bar ())
notify_start_main_thread ();
mem_free (p);
}
#define NB_CAL_CMDS 24 /* number of commands while in cal view */
#define NB_APP_CMDS 31 /* same thing while in appointment view */
#define NB_TOD_CMDS 30 /* same thing while in todo view */
#define TOTAL_CMDS NB_CAL_CMDS + NB_APP_CMDS + NB_TOD_CMDS
#define CMDS_PER_LINE 6 /* max number of commands per line */
static unsigned status_page;
/*
* Draws the status bar.
* To add a keybinding, insert a new binding_t item, add it in the *binding
* table, and update the NB_CAL_CMDS, NB_APP_CMDS or NB_TOD_CMDS defines,
* depending on which panel the added keybind is assigned to.
*/
void
wins_status_bar (void)
{
#define NB_PANELS 3 /* 3 panels: CALENDAR, APPOINTMENT, TODO */
window_e which_pan;
int start, end;
const int pos[NB_PANELS + 1] =
{ 0, NB_CAL_CMDS, NB_CAL_CMDS + NB_APP_CMDS, TOTAL_CMDS };
binding_t help = {_("Help"), KEY_GENERIC_HELP};
binding_t quit = {_("Quit"), KEY_GENERIC_QUIT};
binding_t save = {_("Save"), KEY_GENERIC_SAVE};
binding_t cut = {_("Cut"), KEY_GENERIC_CUT};
binding_t paste = {_("Paste"), KEY_GENERIC_PASTE};
binding_t chgvu = {_("Chg View"), KEY_GENERIC_CHANGE_VIEW};
binding_t import = {_("Import"), KEY_GENERIC_IMPORT};
binding_t export = {_("Export"), KEY_GENERIC_EXPORT};
binding_t togo = {_("Go to"), KEY_GENERIC_GOTO};
binding_t othr = {_("OtherCmd"), KEY_GENERIC_OTHER_CMD};
binding_t conf = {_("Config"), KEY_GENERIC_CONFIG_MENU};
binding_t draw = {_("Redraw"), KEY_GENERIC_REDRAW};
binding_t appt = {_("Add Appt"), KEY_GENERIC_ADD_APPT};
binding_t todo = {_("Add Todo"), KEY_GENERIC_ADD_TODO};
binding_t gnday = {_("+1 Day"), KEY_GENERIC_NEXT_DAY};
binding_t gpday = {_("-1 Day"), KEY_GENERIC_PREV_DAY};
binding_t gnweek = {_("+1 Week"), KEY_GENERIC_NEXT_WEEK};
binding_t gpweek = {_("-1 Week"), KEY_GENERIC_PREV_WEEK};
binding_t today = {_("Today"), KEY_GENERIC_GOTO_TODAY};
binding_t up = {_("Up"), KEY_MOVE_UP};
binding_t down = {_("Down"), KEY_MOVE_DOWN};
binding_t left = {_("Left"), KEY_MOVE_LEFT};
binding_t right = {_("Right"), KEY_MOVE_RIGHT};
binding_t weekb = {_("beg Week"), KEY_START_OF_WEEK};
binding_t weeke = {_("end Week"), KEY_END_OF_WEEK};
binding_t add = {_("Add Item"), KEY_ADD_ITEM};
binding_t del = {_("Del Item"), KEY_DEL_ITEM};
binding_t edit = {_("Edit Itm"), KEY_EDIT_ITEM};
binding_t view = {_("View"), KEY_VIEW_ITEM};
binding_t flag = {_("Flag Itm"), KEY_FLAG_ITEM};
binding_t rept = {_("Repeat"), KEY_REPEAT_ITEM};
binding_t enote = {_("EditNote"), KEY_EDIT_NOTE};
binding_t vnote = {_("ViewNote"), KEY_VIEW_NOTE};
binding_t rprio = {_("Prio.+"), KEY_RAISE_PRIORITY};
binding_t lprio = {_("Prio.-"), KEY_LOWER_PRIORITY};
binding_t *binding[TOTAL_CMDS] = {
/* calendar keys */
&help, &quit, &save, &chgvu, &import, &export, &up, &down, &left, &right,
&togo, &othr, &weekb, &weeke, &conf, &draw, &appt, &todo, &gnday, &gpday,
&gnweek, &gpweek, &today, &othr,
/* appointment keys */
&help, &quit, &save, &chgvu, &import, &export, &add, &del, &edit, &view,
&draw, &othr, &rept, &flag, &enote, &vnote, &up, &down, &gnday, &gpday,
&gnweek, &gpweek, &togo, &othr, &today, &conf, &appt, &todo, &cut, &paste,
&othr,
/* todo keys */
&help, &quit, &save, &chgvu, &import, &export, &add, &del, &edit, &view,
&flag, &othr, &rprio, &lprio, &enote, &vnote, &up, &down, &gnday, &gpday,
&gnweek, &gpweek, &togo, &othr, &today, &conf, &appt, &todo, &draw, &othr
};
/* Drawing the keybinding with attribute and label without. */
which_pan = wins_slctd ();
start = pos[which_pan] + 2 * KEYS_CMDS_PER_LINE * (status_page - 1);
end = MIN (start + 2 * KEYS_CMDS_PER_LINE, pos[which_pan + 1]);
keys_display_bindings_bar (win[STA].p, binding, start, end);
}
/* Erase status bar. */
void
wins_erase_status_bar (void)
{
erase_window_part (win[STA].p, 0, 0, col, STATUSHEIGHT);
}
/* Update the status bar page number to display other commands. */
void
wins_other_status_page (int panel)
{
int nb_item, max_page;
nb_item = 0;
switch (panel)
{
case CAL:
nb_item = NB_CAL_CMDS;
break;
case APP:
nb_item = NB_APP_CMDS;
break;
case TOD:
nb_item = NB_TOD_CMDS;
break;
default:
EXIT (_("unknown panel"));
/* NOTREACHED */
}
max_page = ceil (nb_item / (2 * CMDS_PER_LINE + 1)) + 1;
if (status_page < max_page)
status_page++;
else
status_page = 1;
}
/* Reset the status bar page. */
void
wins_reset_status_page (void)
{
status_page = 1;
}
#undef NB_CAL_CMDS
#undef NB_APP_CMDS
#undef NB_TOD_CMDS
#undef TOTAL_CMDS
#undef CMDS_PER_LINE
