Initial import of the "leds" panel applet
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src/applets/leds.c
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196
src/applets/leds.c
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/* $Id$ */
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/* Copyright (c) 2016 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Desktop Panel */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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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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*
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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, see <http://www.gnu.org/licenses/>. */
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#include <sys/time.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <libintl.h>
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#include <gdk/gdkx.h>
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#include <X11/XKBlib.h>
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#include <System.h>
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#include "Panel/applet.h"
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#define _(string) gettext(string)
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/* LEDs */
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/* private */
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/* types */
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typedef struct _PanelApplet
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{
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PanelAppletHelper * helper;
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GtkWidget * widget;
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gulong source;
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GdkDisplay * display;
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} LEDs;
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/* prototypes */
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/* leds */
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static LEDs * _leds_init(PanelAppletHelper * helper, GtkWidget ** widget);
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static void _leds_destroy(LEDs * leds);
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/* callbacks */
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static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
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gpointer data);
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/* public */
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/* variables */
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PanelAppletDefinition applet =
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{
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"LEDs",
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GTK_STOCK_DIALOG_INFO,
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NULL,
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_leds_init,
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_leds_destroy,
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NULL,
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FALSE,
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TRUE
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};
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/* private */
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/* functions */
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/* leds_init */
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static LEDs * _leds_init(PanelAppletHelper * helper, GtkWidget ** widget)
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{
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LEDs * leds;
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if((leds = object_new(sizeof(*leds))) == NULL)
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return NULL;
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leds->helper = helper;
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#if GTK_CHECK_VERSION(3, 0, 0)
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leds->widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
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#else
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leds->widget = gtk_hbox_new(TRUE, 4);
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#endif
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leds->source = g_signal_connect(leds->widget, "screen-changed",
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G_CALLBACK(_leds_on_screen_changed), leds);
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leds->display = NULL;
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gtk_widget_show(leds->widget);
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*widget = leds->widget;
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return leds;
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}
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/* leds_destroy */
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static void _leds_destroy(LEDs * leds)
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{
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if(leds->source != 0)
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g_signal_handler_disconnect(leds->widget, leds->source);
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leds->source = 0;
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gtk_widget_destroy(leds->widget);
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object_delete(leds);
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}
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/* callbacks */
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/* leds_on_screen_changed */
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static void _leds_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
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gpointer data)
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{
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LEDs * leds = data;
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PanelAppletHelper * helper = leds->helper;
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GdkScreen * screen;
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int major;
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int minor;
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char buf[64];
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int opcode;
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int event;
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int error;
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XkbDescPtr xkb;
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unsigned int i;
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unsigned int bit;
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unsigned int n;
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GtkIconSize iconsize;
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(void) previous;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s()\n", __func__);
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#endif
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screen = gtk_widget_get_screen(widget);
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leds->display = gdk_screen_get_display(screen);
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major = XkbMajorVersion;
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minor = XkbMinorVersion;
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if(XkbLibraryVersion(&major, &minor) == 0)
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{
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snprintf(buf, sizeof(buf), _("XKB library mismatch (%d.%d)"),
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major, minor);
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helper->error(NULL, buf, 0);
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}
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if(XkbQueryExtension(GDK_DISPLAY_XDISPLAY(leds->display), &opcode,
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&event, &error, &major, &minor) == 0)
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{
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snprintf(buf, sizeof(buf), _("XKB extension mismatch (%d.%d)"),
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major, minor);
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helper->error(NULL, buf, 1);
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return;
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}
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if((xkb = XkbGetMap(GDK_DISPLAY_XDISPLAY(leds->display), 0,
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XkbUseCoreKbd)) == NULL)
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{
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snprintf(buf, sizeof(buf), "%s", _("Could not obtain XKB map"));
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helper->error(NULL, buf, 1);
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return;
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}
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/* XXX free xkb when returning? */
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if(XkbGetIndicatorMap(GDK_DISPLAY_XDISPLAY(leds->display),
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XkbAllIndicatorsMask, xkb) != Success)
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{
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snprintf(buf, sizeof(buf), "%s",
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_("Could not obtain XKB indicator map"));
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helper->error(NULL, buf, 1);
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return;
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}
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if(XkbGetNames(GDK_DISPLAY_XDISPLAY(leds->display), XkbAllNamesMask,
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xkb) != Success)
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{
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snprintf(buf, sizeof(buf), "%s",
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_("Could not obtain XKB names"));
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helper->error(NULL, buf, 1);
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return;
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}
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XkbSelectEvents(GDK_DISPLAY_XDISPLAY(leds->display), XkbUseCoreKbd,
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XkbIndicatorStateNotifyMask,
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XkbIndicatorStateNotifyMask);
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XkbGetIndicatorState(GDK_DISPLAY_XDISPLAY(leds->display), XkbUseCoreKbd,
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&n);
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iconsize = panel_window_get_icon_size(helper->window);
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for(i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1)
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{
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if(xkb->names->indicators[i] == None)
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continue;
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if((xkb->indicators->phys_indicators & bit) == 0)
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continue;
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#if GTK_CHECK_VERSION(3, 10, 0)
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widget = gtk_image_new_from_icon_name(GTK_STOCK_DIALOG_INFO,
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iconsize);
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#else
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widget = gtk_image_new_from_stock(GTK_STOCK_DIALOG_INFO,
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iconsize);
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#endif
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#if GTK_CHECK_VERSION(2, 12, 0)
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snprintf(buf, sizeof(buf), _("LED %u"), i + 1);
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gtk_widget_set_tooltip_text(widget, buf);
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#endif
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gtk_widget_set_sensitive(widget, (n & bit) ? TRUE : FALSE);
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gtk_box_pack_start(GTK_BOX(leds->widget), widget, FALSE, TRUE,
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0);
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}
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}
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@ -1,4 +1,4 @@
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targets=battery,bluetooth,brightness,clock,close,cpu,cpufreq,desktop,embed,gps,gsm,lock,logout,menu,memory,mixer,mpd,network,pager,phone,rotate,separator,spacer,swap,systray,tasks,template,title,usb,user,volume,wpa_supplicant
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targets=battery,bluetooth,brightness,clock,close,cpu,cpufreq,desktop,embed,gps,gsm,leds,lock,logout,menu,memory,mixer,mpd,network,pager,phone,rotate,separator,spacer,swap,systray,tasks,template,title,usb,user,volume,wpa_supplicant
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cppflags_force=-I ../../include
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#cppflags=-D EMBEDDED
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cflags=-W -Wall -g -O2 -pedantic -D_FORTIFY_SOURCE=2 -fstack-protector-all
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@ -109,6 +109,13 @@ install=$(LIBDIR)/Panel/applets
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[gsm.c]
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depends=../../include/Panel.h
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[leds]
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type=plugin
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sources=leds.c
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[leds.c]
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depends=../../include/Panel.h
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[lock]
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type=plugin
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sources=lock.c
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