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