tint2/src/clock/clock.c

357 lines
11 KiB
C

/**************************************************************************
*
* Tint2 : clock
*
* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**************************************************************************/
#include <string.h>
#include <stdio.h>
#include <cairo.h>
#include <cairo-xlib.h>
#include <pango/pangocairo.h>
#include <stdlib.h>
#include "window.h"
#include "server.h"
#include "panel.h"
#include "clock.h"
#include "timer.h"
#include "common.h"
char *time1_format;
char *time1_timezone;
char *time2_format;
char *time2_timezone;
char *time_tooltip_format;
char *time_tooltip_timezone;
char *clock_lclick_command;
char *clock_mclick_command;
char *clock_rclick_command;
char *clock_uwheel_command;
char *clock_dwheel_command;
struct timeval time_clock;
gboolean time1_has_font;
PangoFontDescription *time1_font_desc;
gboolean time2_has_font;
PangoFontDescription *time2_font_desc;
static char buf_time[256];
static char buf_date[256];
static char buf_tooltip[512];
int clock_enabled;
static timeout *clock_timeout;
void clock_init_fonts();
char *clock_get_tooltip(void *obj);
int clock_compute_desired_size(void *obj);
void clock_dump_geometry(void *obj, int indent);
void default_clock()
{
clock_enabled = 0;
clock_timeout = NULL;
time1_format = NULL;
time1_timezone = NULL;
time2_format = NULL;
time2_timezone = NULL;
time_tooltip_format = NULL;
time_tooltip_timezone = NULL;
clock_lclick_command = NULL;
clock_mclick_command = NULL;
clock_rclick_command = NULL;
clock_uwheel_command = NULL;
clock_dwheel_command = NULL;
time1_has_font = FALSE;
time1_font_desc = NULL;
time2_has_font = FALSE;
time2_font_desc = NULL;
buf_time[0] = 0;
buf_date[0] = 0;
buf_tooltip[0] = 0;
}
void cleanup_clock()
{
pango_font_description_free(time1_font_desc);
time1_font_desc = NULL;
pango_font_description_free(time2_font_desc);
time2_font_desc = NULL;
free(time1_format);
time1_format = NULL;
free(time2_format);
time2_format = NULL;
free(time_tooltip_format);
time_tooltip_format = NULL;
free(time1_timezone);
time1_timezone = NULL;
free(time2_timezone);
time2_timezone = NULL;
free(time_tooltip_timezone);
time_tooltip_timezone = NULL;
free(clock_lclick_command);
clock_lclick_command = NULL;
free(clock_mclick_command);
clock_mclick_command = NULL;
free(clock_rclick_command);
clock_rclick_command = NULL;
free(clock_uwheel_command);
clock_uwheel_command = NULL;
free(clock_dwheel_command);
clock_dwheel_command = NULL;
stop_timeout(clock_timeout);
clock_timeout = NULL;
}
struct tm *clock_gettime_for_tz(const char *timezone)
{
if (timezone) {
const char *old_tz = getenv("TZ");
setenv("TZ", timezone, 1);
struct tm *result = localtime(&time_clock.tv_sec);
if (old_tz)
setenv("TZ", old_tz, 1);
else
unsetenv("TZ");
return result;
} else {
return localtime(&time_clock.tv_sec);
}
}
void update_clocks()
{
if (time1_format)
strftime(buf_time, sizeof(buf_time), time1_format, clock_gettime_for_tz(time1_timezone));
if (time2_format)
strftime(buf_date, sizeof(buf_date), time2_format, clock_gettime_for_tz(time2_timezone));
if (time1_format || time2_format) {
for (int i = 0; i < num_panels; i++)
panels[i].clock.area.resize_needed = 1;
}
schedule_panel_redraw();
}
int ms_until_second_change(struct timeval* tm)
{
long us_until_change = 1000000 - tm->tv_usec;
// compute ms, rounding up so we don't ask to wait too short
int ms = (us_until_change+999)/1000;
return ms;
}
void update_clocks_sec(void *arg)
{
gettimeofday(&time_clock, 0);
update_clocks();
clock_timeout = add_timeout(ms_until_second_change(&time_clock), 0, update_clocks_sec, 0, &clock_timeout);
}
void update_clocks_min(void *arg)
{
// remember old_sec because after suspend/hibernate the clock should be updated directly, and not
// on next minute change
static time_t old_sec = 0;
gettimeofday(&time_clock, 0);
if (time_clock.tv_sec % 60 == 0 || time_clock.tv_sec - old_sec > 60 || (time1_format && !buf_time[0]) || (time2_format && !buf_date[0]))
update_clocks();
old_sec = time_clock.tv_sec;
clock_timeout = add_timeout(ms_until_second_change(&time_clock), 0, update_clocks_min, 0, &clock_timeout);
}
gboolean time_format_needs_sec_ticks(char *time_format)
{
if (!time_format)
return FALSE;
if (strchr(time_format, 'S') || strchr(time_format, 'T') || strchr(time_format, 'r'))
return TRUE;
return FALSE;
}
void init_clock()
{
}
void init_clock_panel(void *p)
{
Panel *panel = (Panel *)p;
Clock *clock = &panel->clock;
if (!clock->area.bg)
clock->area.bg = &g_array_index(backgrounds, Background, 0);
clock_init_fonts();
clock->area.parent = p;
clock->area.panel = p;
snprintf(clock->area.name, sizeof(clock->area.name), "Clock");
clock->area._is_under_mouse = full_width_area_is_under_mouse;
clock->area.has_mouse_press_effect = clock->area.has_mouse_over_effect =
panel_config.mouse_effects && (clock_lclick_command || clock_mclick_command || clock_rclick_command ||
clock_uwheel_command || clock_dwheel_command);
clock->area._draw_foreground = draw_clock;
clock->area.size_mode = LAYOUT_FIXED;
clock->area._resize = resize_clock;
clock->area._compute_desired_size = clock_compute_desired_size;
clock->area._dump_geometry = clock_dump_geometry;
// check consistency
if (!time1_format)
return;
clock->area.resize_needed = 1;
clock->area.on_screen = TRUE;
instantiate_area_gradients(&clock->area);
if (time_tooltip_format) {
clock->area._get_tooltip_text = clock_get_tooltip;
strftime(buf_tooltip, sizeof(buf_tooltip), time_tooltip_format, clock_gettime_for_tz(time_tooltip_timezone));
}
if (!clock_timeout) {
if (time_format_needs_sec_ticks(time1_format) || time_format_needs_sec_ticks(time2_format)) {
update_clocks_sec(NULL);
} else {
update_clocks_min(NULL);
}
}
}
void clock_init_fonts()
{
if (!time1_font_desc) {
time1_font_desc = pango_font_description_from_string(get_default_font());
pango_font_description_set_weight(time1_font_desc, PANGO_WEIGHT_BOLD);
pango_font_description_set_size(time1_font_desc, pango_font_description_get_size(time1_font_desc));
}
if (!time2_font_desc) {
time2_font_desc = pango_font_description_from_string(get_default_font());
pango_font_description_set_size(time2_font_desc,
pango_font_description_get_size(time2_font_desc) - PANGO_SCALE);
}
}
void clock_default_font_changed()
{
if (!clock_enabled)
return;
if (time1_has_font && time2_has_font)
return;
if (!time1_has_font) {
pango_font_description_free(time1_font_desc);
time1_font_desc = NULL;
}
if (!time2_has_font) {
pango_font_description_free(time2_font_desc);
time2_font_desc = NULL;
}
clock_init_fonts();
for (int i = 0; i < num_panels; i++) {
panels[i].clock.area.resize_needed = TRUE;
schedule_redraw(&panels[i].clock.area);
}
schedule_panel_redraw();
}
void clock_compute_text_geometry(Clock *clock,
int *time_height_ink,
int *time_height,
int *time_width,
int *date_height_ink,
int *date_height,
int *date_width)
{
area_compute_text_geometry(&clock->area,
buf_time,
time2_format ? buf_date : NULL,
time1_font_desc,
time2_font_desc,
time_height_ink,
time_height,
time_width,
date_height_ink,
date_height,
date_width);
}
int clock_compute_desired_size(void *obj)
{
Clock *clock = (Clock *)obj;
return text_area_compute_desired_size(&clock->area,
buf_time,
time2_format ? buf_date : NULL,
time1_font_desc,
time2_font_desc);
}
gboolean resize_clock(void *obj)
{
Clock *clock = (Clock *)obj;
return resize_text_area(&clock->area,
buf_time,
time2_format ? buf_date : NULL,
time1_font_desc,
time2_font_desc,
&clock->time1_posy,
&clock->time2_posy);
}
void draw_clock(void *obj, cairo_t *c)
{
Clock *clock = (Clock *)obj;
draw_text_area(&clock->area,
c,
buf_time,
time2_format ? buf_date : NULL,
time1_font_desc,
time2_font_desc,
clock->time1_posy,
clock->time2_posy,
&clock->font);
}
void clock_dump_geometry(void *obj, int indent)
{
Clock *clock = (Clock *)obj;
fprintf(stderr, "%*sText 1: y = %d, text = %s\n", indent, "", clock->time1_posy, buf_time);
if (time2_format) {
fprintf(stderr, "%*sText 2: y = %d, text = %s\n", indent, "", clock->time2_posy, buf_date);
}
}
char *clock_get_tooltip(void *obj)
{
strftime(buf_tooltip, sizeof(buf_tooltip), time_tooltip_format, clock_gettime_for_tz(time_tooltip_timezone));
return strdup(buf_tooltip);
}
void clock_action(void *obj, int button, int x, int y, Time time)
{
char *command = NULL;
switch (button) {
case 1:
command = clock_lclick_command;
break;
case 2:
command = clock_mclick_command;
break;
case 3:
command = clock_rclick_command;
break;
case 4:
command = clock_uwheel_command;
break;
case 5:
command = clock_dwheel_command;
break;
}
tint_exec(command, NULL, NULL, time, obj, x, y);
}