added battery code
git-svn-id: http://tint2.googlecode.com/svn/trunk@74 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
This commit is contained in:
lorthiois@bbsoft.fr
parent
3d07eeeb48
commit
01b6e81b8c
2 changed files with 306 additions and 0 deletions
244
src/battery/battery.c
Normal file
244
src/battery/battery.c
Normal file
|
|
@ -0,0 +1,244 @@
|
||||||
|
/**************************************************************************
|
||||||
|
*
|
||||||
|
* Tint2 : battery
|
||||||
|
*
|
||||||
|
* Copyright (C) 2009 Sebastian Reichel <elektranox@gmail.com>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU General Public License version 2
|
||||||
|
* or any later version 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 <stdlib.h>
|
||||||
|
#include <cairo.h>
|
||||||
|
#include <cairo-xlib.h>
|
||||||
|
#include <pango/pangocairo.h>
|
||||||
|
|
||||||
|
#include "window.h"
|
||||||
|
#include "server.h"
|
||||||
|
#include "taskbar.h"
|
||||||
|
#include "panel.h"
|
||||||
|
#include "area.h"
|
||||||
|
#include "battery.h"
|
||||||
|
#include "clock.h"
|
||||||
|
|
||||||
|
PangoFontDescription *bat1_font_desc;
|
||||||
|
PangoFontDescription *bat2_font_desc;
|
||||||
|
struct batstate battery_state;
|
||||||
|
|
||||||
|
static char buf_bat_percentage[10];
|
||||||
|
static char buf_bat_time[20];
|
||||||
|
|
||||||
|
int8_t battery_low_status;
|
||||||
|
char* battery_low_cmd;
|
||||||
|
|
||||||
|
void update_battery(struct batstate *data) {
|
||||||
|
FILE *fp;
|
||||||
|
char tmp[25];
|
||||||
|
int64_t energy_now = 0, energy_full = 0, current_now = 0;
|
||||||
|
int seconds = 0;
|
||||||
|
int8_t new_percentage = 0;
|
||||||
|
|
||||||
|
fp = fopen("/sys/class/power_supply/BAT0/energy_now", "r");
|
||||||
|
if(fp != NULL) {
|
||||||
|
fgets(tmp, sizeof tmp, fp);
|
||||||
|
energy_now = atoi(tmp);
|
||||||
|
fclose(fp);
|
||||||
|
} else printf("ERROR: battery applet can't open energy_now\n");
|
||||||
|
|
||||||
|
fp = fopen("/sys/class/power_supply/BAT0/energy_full", "r");
|
||||||
|
if(fp != NULL) {
|
||||||
|
fgets(tmp, sizeof tmp, fp);
|
||||||
|
energy_full = atoi(tmp);
|
||||||
|
fclose(fp);
|
||||||
|
} else printf("ERROR: battery applet can't open energy_full\n");
|
||||||
|
|
||||||
|
fp = fopen("/sys/class/power_supply/BAT0/current_now", "r");
|
||||||
|
if(fp != NULL) {
|
||||||
|
fgets(tmp, sizeof tmp, fp);
|
||||||
|
current_now = atoi(tmp);
|
||||||
|
fclose(fp);
|
||||||
|
} else printf("ERROR: battery applet can't open current_now\n");
|
||||||
|
|
||||||
|
fp = fopen("/sys/class/power_supply/BAT0/status", "r");
|
||||||
|
if(fp != NULL) {
|
||||||
|
fgets(tmp, sizeof tmp, fp);
|
||||||
|
fclose(fp);
|
||||||
|
} else printf("ERROR: battery applet can't open status");
|
||||||
|
|
||||||
|
data->state = BATTERY_UNKNOWN;
|
||||||
|
if(strcasecmp(tmp, "Charging\n")==0) data->state = BATTERY_CHARGING;
|
||||||
|
if(strcasecmp(tmp, "Discharging\n")==0) data->state = BATTERY_DISCHARGING;
|
||||||
|
|
||||||
|
if(current_now > 0) {
|
||||||
|
switch(data->state) {
|
||||||
|
case BATTERY_CHARGING:
|
||||||
|
seconds = 3600 * (energy_full - energy_now) / current_now;
|
||||||
|
break;
|
||||||
|
case BATTERY_DISCHARGING:
|
||||||
|
seconds = 3600 * energy_now / current_now;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
seconds = 0;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} else seconds = 0;
|
||||||
|
|
||||||
|
data->time.hours = seconds / 3600;
|
||||||
|
seconds -= 3600 * data->time.hours;
|
||||||
|
data->time.minutes = seconds / 60;
|
||||||
|
seconds -= 60 * data->time.minutes;
|
||||||
|
data->time.seconds = seconds;
|
||||||
|
|
||||||
|
new_percentage = (energy_now*100)/energy_full;
|
||||||
|
|
||||||
|
if(battery_low_status != 0 && battery_low_status == new_percentage && data->percentage > new_percentage) {
|
||||||
|
printf("battery low, executing: %s\n", battery_low_cmd);
|
||||||
|
if(battery_low_cmd) system(battery_low_cmd);
|
||||||
|
}
|
||||||
|
|
||||||
|
data->percentage = new_percentage;
|
||||||
|
}
|
||||||
|
|
||||||
|
void init_battery()
|
||||||
|
{
|
||||||
|
Panel *panel;
|
||||||
|
Battery *battery;
|
||||||
|
int i, bat_percentage_height, bat_percentage_height_ink, bat_time_height, bat_time_height_ink;
|
||||||
|
|
||||||
|
for (i=0 ; i < nb_panel ; i++) {
|
||||||
|
panel = &panel1[i];
|
||||||
|
battery = &panel->battery;
|
||||||
|
|
||||||
|
battery->area.parent = panel;
|
||||||
|
battery->area.panel = panel;
|
||||||
|
battery->area._draw_foreground = draw_battery;
|
||||||
|
battery->area._resize = resize_battery;
|
||||||
|
|
||||||
|
if (!battery->area.on_screen) continue;
|
||||||
|
|
||||||
|
battery->area.posy = panel->area.pix.border.width + panel->area.paddingy;
|
||||||
|
battery->area.height = panel->area.height - (2 * battery->area.posy);
|
||||||
|
battery->area.resize = 1;
|
||||||
|
battery->area.redraw = 1;
|
||||||
|
|
||||||
|
update_battery(&battery_state);
|
||||||
|
snprintf(buf_bat_percentage, sizeof(buf_bat_percentage), "%d%%", battery_state.percentage);
|
||||||
|
snprintf(buf_bat_time, sizeof(buf_bat_time), "%02d:%02d", battery_state.time.hours, battery_state.time.minutes);
|
||||||
|
|
||||||
|
get_text_size(bat1_font_desc, &bat_percentage_height_ink, &bat_percentage_height, panel->area.height, buf_bat_percentage, strlen(buf_bat_percentage));
|
||||||
|
battery->bat1_posy = (battery->area.height - bat_percentage_height) / 2;
|
||||||
|
|
||||||
|
get_text_size(bat2_font_desc, &bat_time_height_ink, &bat_time_height, panel->area.height, buf_bat_time, strlen(buf_bat_time));
|
||||||
|
|
||||||
|
battery->bat1_posy -= ((bat_time_height_ink + 2) / 2);
|
||||||
|
battery->bat2_posy = battery->bat1_posy + bat_percentage_height + 2 - (bat_percentage_height - bat_percentage_height_ink)/2 - (bat_time_height - bat_time_height_ink)/2;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void draw_battery (void *obj, cairo_t *c, int active)
|
||||||
|
{
|
||||||
|
Battery *battery = obj;
|
||||||
|
PangoLayout *layout;
|
||||||
|
|
||||||
|
layout = pango_cairo_create_layout (c);
|
||||||
|
|
||||||
|
// draw layout
|
||||||
|
pango_layout_set_font_description(layout, bat1_font_desc);
|
||||||
|
pango_layout_set_width(layout, battery->area.width * PANGO_SCALE);
|
||||||
|
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
|
||||||
|
pango_layout_set_text(layout, buf_bat_percentage, strlen(buf_bat_percentage));
|
||||||
|
|
||||||
|
cairo_set_source_rgba(c, battery->font.color[0], battery->font.color[1], battery->font.color[2], battery->font.alpha);
|
||||||
|
|
||||||
|
pango_cairo_update_layout(c, layout);
|
||||||
|
cairo_move_to(c, 0, battery->bat1_posy);
|
||||||
|
pango_cairo_show_layout(c, layout);
|
||||||
|
|
||||||
|
pango_layout_set_font_description(layout, bat2_font_desc);
|
||||||
|
pango_layout_set_indent(layout, 0);
|
||||||
|
pango_layout_set_text(layout, buf_bat_time, strlen(buf_bat_time));
|
||||||
|
pango_layout_set_width(layout, battery->area.width * PANGO_SCALE);
|
||||||
|
|
||||||
|
pango_cairo_update_layout(c, layout);
|
||||||
|
cairo_move_to(c, 0, battery->bat2_posy);
|
||||||
|
pango_cairo_show_layout(c, layout);
|
||||||
|
|
||||||
|
g_object_unref(layout);
|
||||||
|
}
|
||||||
|
|
||||||
|
void resize_battery(void *obj)
|
||||||
|
{
|
||||||
|
Battery *battery = obj;
|
||||||
|
PangoLayout *layout;
|
||||||
|
int percentage_width, time_width, new_width;
|
||||||
|
|
||||||
|
percentage_width = time_width = 0;
|
||||||
|
battery->area.redraw = 1;
|
||||||
|
|
||||||
|
snprintf(buf_bat_percentage, sizeof(buf_bat_percentage), "%d%%", battery_state.percentage);
|
||||||
|
snprintf(buf_bat_time, sizeof(buf_bat_time), "%02d:%02d", battery_state.time.hours, battery_state.time.minutes);
|
||||||
|
|
||||||
|
cairo_surface_t *cs;
|
||||||
|
cairo_t *c;
|
||||||
|
Pixmap pmap;
|
||||||
|
pmap = XCreatePixmap(server.dsp, server.root_win, battery->area.width, battery->area.height, server.depth);
|
||||||
|
|
||||||
|
cs = cairo_xlib_surface_create(server.dsp, pmap, server.visual, battery->area.width, battery->area.height);
|
||||||
|
c = cairo_create(cs);
|
||||||
|
layout = pango_cairo_create_layout(c);
|
||||||
|
|
||||||
|
// check width
|
||||||
|
pango_layout_set_font_description(layout, bat1_font_desc);
|
||||||
|
pango_layout_set_indent(layout, 0);
|
||||||
|
pango_layout_set_text(layout, buf_bat_percentage, strlen(buf_bat_percentage));
|
||||||
|
pango_layout_get_pixel_size(layout, &percentage_width, NULL);
|
||||||
|
|
||||||
|
pango_layout_set_font_description(layout, bat2_font_desc);
|
||||||
|
pango_layout_set_indent(layout, 0);
|
||||||
|
pango_layout_set_text(layout, buf_bat_time, strlen(buf_bat_time));
|
||||||
|
pango_layout_get_pixel_size(layout, &time_width, NULL);
|
||||||
|
|
||||||
|
if(percentage_width > time_width) new_width = percentage_width;
|
||||||
|
else new_width = time_width;
|
||||||
|
|
||||||
|
new_width += (2*battery->area.paddingxlr) + (2*battery->area.pix.border.width);
|
||||||
|
|
||||||
|
if(new_width > battery->area.width || new_width < (battery->area.width-6)) {
|
||||||
|
int i;
|
||||||
|
Panel *panel = ((Area*)obj)->panel;
|
||||||
|
|
||||||
|
printf("battery_width %d, new_width %d\n", battery->area.width, new_width);
|
||||||
|
|
||||||
|
// resize battery
|
||||||
|
// we try to limit the number of resize
|
||||||
|
battery->area.width = new_width + 1;
|
||||||
|
battery->area.posx = panel->area.width - battery->area.width - panel->area.paddingxlr - panel->area.pix.border.width;
|
||||||
|
if (panel->clock.area.on_screen)
|
||||||
|
battery->area.posx -= (panel->clock.area.width + panel->area.paddingx);
|
||||||
|
|
||||||
|
// resize other objects on panel
|
||||||
|
for (i=0 ; i < nb_panel ; i++)
|
||||||
|
panel1[i].area.resize = 1;
|
||||||
|
|
||||||
|
systray.area.resize = 1;
|
||||||
|
panel_refresh = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
g_object_unref (layout);
|
||||||
|
cairo_destroy (c);
|
||||||
|
cairo_surface_destroy (cs);
|
||||||
|
XFreePixmap (server.dsp, pmap);
|
||||||
|
}
|
||||||
|
|
||||||
62
src/battery/battery.h
Normal file
62
src/battery/battery.h
Normal file
|
|
@ -0,0 +1,62 @@
|
||||||
|
/**************************************************************************
|
||||||
|
* Copyright (C) 2009 Sebastian Reichel <elektranox@gmail.com>
|
||||||
|
*
|
||||||
|
* Battery with functional data (percentage, time to life) and drawing data
|
||||||
|
* (area, font, ...). Each panel use his own drawing data.
|
||||||
|
*
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
#ifndef BATTERY_H
|
||||||
|
#define BATTERY_H
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
|
||||||
|
#include "common.h"
|
||||||
|
#include "area.h"
|
||||||
|
|
||||||
|
typedef struct Battery {
|
||||||
|
// always start with area
|
||||||
|
Area area;
|
||||||
|
|
||||||
|
config_color font;
|
||||||
|
int bat1_posy;
|
||||||
|
int bat2_posy;
|
||||||
|
} Battery;
|
||||||
|
|
||||||
|
enum chargestate {
|
||||||
|
BATTERY_UNKNOWN,
|
||||||
|
BATTERY_CHARGING,
|
||||||
|
BATTERY_DISCHARGING
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef struct battime {
|
||||||
|
int16_t hours;
|
||||||
|
int8_t minutes;
|
||||||
|
int8_t seconds;
|
||||||
|
} battime;
|
||||||
|
|
||||||
|
typedef struct batstate {
|
||||||
|
int percentage;
|
||||||
|
struct battime time;
|
||||||
|
enum chargestate state;
|
||||||
|
} batstate;
|
||||||
|
|
||||||
|
extern struct batstate battery_state;
|
||||||
|
extern PangoFontDescription *bat1_font_desc;
|
||||||
|
extern PangoFontDescription *bat2_font_desc;
|
||||||
|
|
||||||
|
extern int8_t battery_low_status;
|
||||||
|
extern char* battery_low_cmd;
|
||||||
|
|
||||||
|
// initialize clock : y position, ...
|
||||||
|
void update_battery(struct batstate *data);
|
||||||
|
|
||||||
|
void init_battery();
|
||||||
|
|
||||||
|
void draw_battery(void *obj, cairo_t *c, int active);
|
||||||
|
|
||||||
|
void resize_battery(void *obj);
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in a new issue