409 lines
12 KiB
C
409 lines
12 KiB
C
/**************************************************************************
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*
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* Tint2 : Generic battery
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*
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* Copyright (C) 2009-2015 Sebastian Reichel <sre@ring0.de>
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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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* or any later version 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 <stdlib.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 "window.h"
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#include "server.h"
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#include "panel.h"
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#include "battery.h"
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#include "timer.h"
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#include "common.h"
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gboolean bat1_has_font;
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PangoFontDescription *bat1_font_desc;
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gboolean bat2_has_font;
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PangoFontDescription *bat2_font_desc;
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struct BatteryState battery_state;
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gboolean battery_enabled;
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gboolean battery_tooltip_enabled;
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int percentage_hide;
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static timeout *battery_timeout;
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static char buf_bat_percentage[10];
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static char buf_bat_time[20];
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int8_t battery_low_status;
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gboolean battery_low_cmd_sent;
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char *ac_connected_cmd;
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char *ac_disconnected_cmd;
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char *battery_low_cmd;
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char *battery_lclick_command;
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char *battery_mclick_command;
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char *battery_rclick_command;
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char *battery_uwheel_command;
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char *battery_dwheel_command;
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gboolean battery_found;
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void battery_init_fonts();
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void update_battery_tick(void *arg)
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{
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if (!battery_enabled)
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return;
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gboolean old_found = battery_found;
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int old_percentage = battery_state.percentage;
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gboolean old_ac_connected = battery_state.ac_connected;
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int16_t old_hours = battery_state.time.hours;
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int8_t old_minutes = battery_state.time.minutes;
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if (!battery_found) {
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init_battery();
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old_ac_connected = battery_state.ac_connected;
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}
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if (update_battery() != 0) {
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// Try to reconfigure on failed update
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init_battery();
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}
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if (old_ac_connected != battery_state.ac_connected) {
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if (battery_state.ac_connected)
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tint_exec(ac_connected_cmd);
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else
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tint_exec(ac_disconnected_cmd);
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}
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if (battery_state.percentage < battery_low_status && battery_state.state == BATTERY_DISCHARGING &&
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!battery_low_cmd_sent) {
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tint_exec(battery_low_cmd);
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battery_low_cmd_sent = TRUE;
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}
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if (battery_state.percentage > battery_low_status && battery_state.state == BATTERY_CHARGING &&
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battery_low_cmd_sent) {
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battery_low_cmd_sent = FALSE;
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}
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for (int i = 0; i < num_panels; i++) {
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// Show/hide if needed
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if (!battery_found) {
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if (panels[i].battery.area.on_screen) {
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hide(&panels[i].battery.area);
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panel_refresh = TRUE;
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}
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} else {
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if (battery_state.percentage >= percentage_hide) {
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if (panels[i].battery.area.on_screen) {
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hide(&panels[i].battery.area);
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panel_refresh = TRUE;
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}
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} else {
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if (!panels[i].battery.area.on_screen) {
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show(&panels[i].battery.area);
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panel_refresh = TRUE;
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}
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}
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}
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// Redraw if needed
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if (panels[i].battery.area.on_screen) {
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if (old_found != battery_found || old_percentage != battery_state.percentage ||
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old_hours != battery_state.time.hours || old_minutes != battery_state.time.minutes) {
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panels[i].battery.area.resize_needed = TRUE;
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panel_refresh = TRUE;
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}
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}
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}
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}
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void default_battery()
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{
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battery_enabled = FALSE;
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battery_tooltip_enabled = TRUE;
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battery_found = FALSE;
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percentage_hide = 101;
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battery_low_cmd_sent = FALSE;
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battery_timeout = NULL;
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bat1_has_font = FALSE;
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bat1_font_desc = NULL;
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bat2_has_font = FALSE;
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bat2_font_desc = NULL;
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ac_connected_cmd = NULL;
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ac_disconnected_cmd = NULL;
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battery_low_cmd = NULL;
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battery_lclick_command = NULL;
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battery_mclick_command = NULL;
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battery_rclick_command = NULL;
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battery_uwheel_command = NULL;
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battery_dwheel_command = NULL;
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battery_state.percentage = 0;
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battery_state.time.hours = 0;
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battery_state.time.minutes = 0;
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battery_state.time.seconds = 0;
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battery_state.state = BATTERY_UNKNOWN;
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}
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void cleanup_battery()
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{
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pango_font_description_free(bat1_font_desc);
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bat1_font_desc = NULL;
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pango_font_description_free(bat2_font_desc);
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bat2_font_desc = NULL;
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free(battery_low_cmd);
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battery_low_cmd = NULL;
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free(battery_lclick_command);
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battery_lclick_command = NULL;
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free(battery_mclick_command);
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battery_mclick_command = NULL;
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free(battery_rclick_command);
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battery_rclick_command = NULL;
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free(battery_uwheel_command);
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battery_uwheel_command = NULL;
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free(battery_dwheel_command);
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battery_dwheel_command = NULL;
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free(ac_connected_cmd);
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ac_connected_cmd = NULL;
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free(ac_disconnected_cmd);
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ac_disconnected_cmd = NULL;
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stop_timeout(battery_timeout);
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battery_timeout = NULL;
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battery_found = FALSE;
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battery_os_free();
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}
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void reinit_battery()
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{
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battery_os_free();
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battery_found = battery_os_init();
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update_battery();
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}
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void init_battery()
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{
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if (!battery_enabled)
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return;
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battery_found = battery_os_init();
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if (!battery_timeout)
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battery_timeout = add_timeout(10, 30000, update_battery_tick, 0, &battery_timeout);
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update_battery();
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}
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char *battery_get_tooltip(void *obj)
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{
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return battery_os_tooltip();
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}
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void init_battery_panel(void *p)
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{
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Panel *panel = (Panel *)p;
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Battery *battery = &panel->battery;
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if (!battery_enabled)
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return;
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battery_init_fonts();
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if (!battery->area.bg)
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battery->area.bg = &g_array_index(backgrounds, Background, 0);
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battery->area.parent = p;
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battery->area.panel = p;
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battery->area._draw_foreground = draw_battery;
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battery->area.size_mode = LAYOUT_FIXED;
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battery->area._resize = resize_battery;
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battery->area.on_screen = TRUE;
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battery->area.resize_needed = 1;
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battery->area.has_mouse_over_effect = battery_lclick_command || battery_mclick_command || battery_rclick_command ||
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battery_uwheel_command || battery_dwheel_command;
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battery->area.has_mouse_press_effect = battery->area.has_mouse_over_effect;
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if (battery_tooltip_enabled)
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battery->area._get_tooltip_text = battery_get_tooltip;
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}
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void battery_init_fonts()
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{
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if (!bat1_font_desc) {
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bat1_font_desc = pango_font_description_from_string(get_default_font());
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pango_font_description_set_size(bat1_font_desc,
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pango_font_description_get_size(bat1_font_desc) - PANGO_SCALE);
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}
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if (!bat2_font_desc) {
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bat2_font_desc = pango_font_description_from_string(get_default_font());
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pango_font_description_set_size(bat2_font_desc,
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pango_font_description_get_size(bat2_font_desc) - PANGO_SCALE);
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}
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}
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void battery_default_font_changed()
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{
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if (!battery_enabled)
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return;
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if (bat1_has_font && bat2_has_font)
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return;
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if (!bat1_has_font) {
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pango_font_description_free(bat1_font_desc);
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bat1_font_desc = NULL;
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}
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if (!bat2_has_font) {
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pango_font_description_free(bat2_font_desc);
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bat2_font_desc = NULL;
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}
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battery_init_fonts();
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for (int i = 0; i < num_panels; i++) {
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panels[i].battery.area.resize_needed = TRUE;
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panels[i].battery.area.redraw_needed = TRUE;
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}
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panel_refresh = TRUE;
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}
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int update_battery()
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{
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int err;
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/* reset */
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battery_state.state = BATTERY_UNKNOWN;
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battery_state.percentage = 0;
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battery_state.ac_connected = FALSE;
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battery_state_set_time(&battery_state, 0);
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err = battery_os_update(&battery_state);
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// clamp percentage to 100 in case battery is misreporting that its current charge is more than its max
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if (battery_state.percentage > 100) {
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battery_state.percentage = 100;
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}
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return err;
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}
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void draw_battery(void *obj, cairo_t *c)
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{
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Battery *battery = obj;
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PangoLayout *layout;
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layout = pango_cairo_create_layout(c);
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// draw layout
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pango_layout_set_font_description(layout, bat1_font_desc);
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pango_layout_set_width(layout, battery->area.width * PANGO_SCALE);
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pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
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pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
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pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_NONE);
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pango_layout_set_text(layout, buf_bat_percentage, strlen(buf_bat_percentage));
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cairo_set_source_rgba(c, battery->font.rgb[0], battery->font.rgb[1], battery->font.rgb[2], battery->font.alpha);
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pango_cairo_update_layout(c, layout);
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draw_text(layout, c, 0, battery->bat1_posy, &battery->font, ((Panel *)battery->area.panel)->font_shadow);
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pango_layout_set_font_description(layout, bat2_font_desc);
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pango_layout_set_indent(layout, 0);
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pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
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pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_NONE);
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pango_layout_set_text(layout, buf_bat_time, strlen(buf_bat_time));
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pango_layout_set_width(layout, battery->area.width * PANGO_SCALE);
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pango_cairo_update_layout(c, layout);
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draw_text(layout, c, 0, battery->bat2_posy, &battery->font, ((Panel *)battery->area.panel)->font_shadow);
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pango_cairo_show_layout(c, layout);
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g_object_unref(layout);
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}
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gboolean resize_battery(void *obj)
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{
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Battery *battery = obj;
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Panel *panel = battery->area.panel;
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int bat_percentage_height, bat_percentage_width, bat_percentage_height_ink;
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int bat_time_height, bat_time_width, bat_time_height_ink;
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int ret = 0;
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battery->area.redraw_needed = TRUE;
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snprintf(buf_bat_percentage, sizeof(buf_bat_percentage), "%d%%", battery_state.percentage);
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if (battery_state.state == BATTERY_FULL) {
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strcpy(buf_bat_time, "Full");
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} else {
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snprintf(buf_bat_time, sizeof(buf_bat_time), "%02d:%02d", battery_state.time.hours, battery_state.time.minutes);
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}
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get_text_size2(bat1_font_desc,
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&bat_percentage_height_ink,
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&bat_percentage_height,
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&bat_percentage_width,
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panel->area.height,
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panel->area.width,
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buf_bat_percentage,
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strlen(buf_bat_percentage),
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PANGO_WRAP_WORD_CHAR,
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PANGO_ELLIPSIZE_NONE,
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FALSE);
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get_text_size2(bat2_font_desc,
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&bat_time_height_ink,
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&bat_time_height,
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&bat_time_width,
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panel->area.height,
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panel->area.width,
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buf_bat_time,
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strlen(buf_bat_time),
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PANGO_WRAP_WORD_CHAR,
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PANGO_ELLIPSIZE_NONE,
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FALSE);
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if (panel_horizontal) {
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int new_size = (bat_percentage_width > bat_time_width) ? bat_percentage_width : bat_time_width;
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new_size += 2 * battery->area.paddingxlr + 2 * battery->area.bg->border.width;
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if (new_size > battery->area.width || new_size < battery->area.width - 2) {
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// we try to limit the number of resize
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battery->area.width = new_size;
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battery->bat1_posy = (battery->area.height - bat_percentage_height - bat_time_height) / 2;
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battery->bat2_posy = battery->bat1_posy + bat_percentage_height;
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ret = 1;
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}
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} else {
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int new_size =
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bat_percentage_height + bat_time_height + (2 * (battery->area.paddingxlr + battery->area.bg->border.width));
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if (new_size > battery->area.height || new_size < battery->area.height - 2) {
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battery->area.height = new_size;
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battery->bat1_posy = (battery->area.height - bat_percentage_height - bat_time_height - 2) / 2;
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battery->bat2_posy = battery->bat1_posy + bat_percentage_height + 2;
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ret = 1;
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}
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}
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return ret;
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}
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void battery_action(int button)
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{
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char *command = 0;
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switch (button) {
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case 1:
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command = battery_lclick_command;
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break;
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case 2:
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command = battery_mclick_command;
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break;
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case 3:
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command = battery_rclick_command;
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break;
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case 4:
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command = battery_uwheel_command;
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break;
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case 5:
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command = battery_dwheel_command;
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break;
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}
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tint_exec(command);
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}
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