2de3883e99
Source obtained from http://sourceforge.net/projects/wmacpi/files/. 2004 January 12 1.99r2 Some cleanups and bugfixes found by the wonderful Debian users. It's finally in testing!
877 lines
22 KiB
C
877 lines
22 KiB
C
/* apm/acpi dockapp - phear it 1.34
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* Copyright (C) 2000, 2001, 2002 timecop@japan.co.jp
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*
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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; either version 2 of the License, or
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* (at your option) any later version.
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <time.h>
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/shape.h>
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#include <X11/xpm.h>
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#include "libacpi.h"
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#include "wmacpi.h"
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#define WMACPI_VER "1.99r2"
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/* main pixmap */
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#ifdef LOW_COLOR
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#include "master_low.xpm"
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#else
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#include "master.xpm"
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#endif
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typedef struct {
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Display *display; /* X11 display struct */
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int screen; /* current screen */
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Window root; /* root window */
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Window win; /* one window */
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Window iconwin; /* another one */
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Pixmap pixmap; /* UI pixmap, window pixmap */
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Pixmap mask; /* mask pixmap for shape */
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GC gc; /* main drawing GC */
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Pixmap text; /* pixmap for text scroller */
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int tw; /* text width inside text pixmap */
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int update; /* need to redraw? */
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int blink; /* should we blink the LED? (critical battery) */
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int bell; /* bell on critical low, or not? */
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} Dockapp;
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/* globals */
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Dockapp *dockapp;
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global_t *globals;
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int count = 0; /* global timer variable */
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/* extern int verbosity; */
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/* Time for scroll updates */
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#define DEFAULT_UPDATE 150
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static int update_timeout = DEFAULT_UPDATE;
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/* proto for local stuff */
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static void new_window(char *name);
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static int open_display(char *display);
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static void redraw_window(void);
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static void render_text(char *string);
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static void scroll_text(int x, int y, int width, int tw, int reset);
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static void display_percentage(int percent);
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static void display_time(int minutes);
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#define copy_xpm_area(x, y, w, h, dx, dy) \
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{ \
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->pixmap, \
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dockapp->gc, x, y, w, h, dx, dy); \
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dockapp->update = 1; \
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}
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/* display AC power symbol */
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static void display_power_glyph(void)
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{
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copy_xpm_area(67, 38, 12, 7, 6, 17);
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}
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/* get rid of AC power symbol */
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static void kill_power_glyph(void)
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{
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copy_xpm_area(67, 48, 12, 7, 6, 17);
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}
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/* display battery symbol */
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static void display_battery_glyph(void)
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{
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copy_xpm_area(82, 38, 12, 7, 20, 17);
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}
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/* get rid of battery symbol */
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static void kill_battery_glyph(void)
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{
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copy_xpm_area(82, 48, 12, 7, 20, 17);
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}
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/* clear the time display */
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static void clear_time_display(void)
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{
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copy_xpm_area(114, 76, 31, 11, 7, 32);
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}
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/* set time display to -- -- */
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static void invalid_time_display(void)
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{
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copy_xpm_area(122, 13, 31, 11, 7, 32);
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}
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static void redraw_window(void)
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{
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if (dockapp->update) {
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->iconwin,
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dockapp->gc, 0, 0, 64, 64, 0, 0);
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->win,
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dockapp->gc, 0, 0, 64, 64, 0, 0);
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dockapp->update = 0;
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}
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}
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static void new_window(char *name)
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{
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XpmAttributes attr;
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Pixel fg, bg;
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XGCValues gcval;
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XSizeHints sizehints;
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XClassHint classhint;
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XWMHints wmhints;
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dockapp->screen = DefaultScreen(dockapp->display);
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dockapp->root = DefaultRootWindow(dockapp->display);
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sizehints.flags = USSize | USPosition;
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sizehints.width = 64;
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sizehints.height = 64;
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fg = BlackPixel(dockapp->display, dockapp->screen);
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bg = WhitePixel(dockapp->display, dockapp->screen);
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dockapp->win = XCreateSimpleWindow(dockapp->display, dockapp->root,
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0, 0, sizehints.width,
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sizehints.height, 1, fg, bg);
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dockapp->iconwin =
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XCreateSimpleWindow(dockapp->display, dockapp->win, 0, 0,
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sizehints.width, sizehints.height, 1, fg, bg);
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XSetWMNormalHints(dockapp->display, dockapp->win, &sizehints);
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classhint.res_name = name;
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classhint.res_class = name;
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XSetClassHint(dockapp->display, dockapp->win, &classhint);
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XSelectInput(dockapp->display, dockapp->win,
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ExposureMask | ButtonPressMask | ButtonReleaseMask |
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StructureNotifyMask);
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XSelectInput(dockapp->display, dockapp->iconwin,
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ExposureMask | ButtonPressMask | ButtonReleaseMask |
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StructureNotifyMask);
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XStoreName(dockapp->display, dockapp->win, name);
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XSetIconName(dockapp->display, dockapp->win, name);
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gcval.foreground = fg;
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gcval.background = bg;
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gcval.graphics_exposures = False;
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dockapp->gc =
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XCreateGC(dockapp->display, dockapp->win,
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GCForeground | GCBackground | GCGraphicsExposures,
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&gcval);
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attr.exactColors = 0;
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attr.alloc_close_colors = 1;
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attr.closeness = 1L << 15;
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attr.valuemask = XpmExactColors | XpmAllocCloseColors | XpmCloseness;
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if (XpmCreatePixmapFromData(dockapp->display, dockapp->win,
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master_xpm, &dockapp->pixmap,
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&dockapp->mask, &attr) != XpmSuccess) {
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pfatal("FATAL: Not enough colors for main pixmap!\n");
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exit(1);
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}
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/* text area is 318x7, or 53 characters long */
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dockapp->text = XCreatePixmap(dockapp->display, dockapp->win, 318, 7,
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DefaultDepth(dockapp->display,
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dockapp->screen));
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if (!dockapp->text) {
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pfatal("FATAL: Cannot create text scroll pixmap!\n");
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exit(1);
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}
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XShapeCombineMask(dockapp->display, dockapp->win, ShapeBounding, 0, 0,
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dockapp->mask, ShapeSet);
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XShapeCombineMask(dockapp->display, dockapp->iconwin, ShapeBounding, 0,
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0, dockapp->mask, ShapeSet);
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wmhints.initial_state = WithdrawnState;
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wmhints.flags = StateHint;
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wmhints.icon_window = dockapp->iconwin;
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wmhints.icon_x = sizehints.x;
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wmhints.icon_y = sizehints.y;
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wmhints.window_group = dockapp->win;
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wmhints.flags =
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StateHint | IconWindowHint | IconPositionHint | WindowGroupHint;
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XSetWMHints(dockapp->display, dockapp->win, &wmhints);
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XMapWindow(dockapp->display, dockapp->win);
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}
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static void render_text(char *string)
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{
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int i, c, k;
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if (strlen(string) > 53)
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return;
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/* prepare the text area by clearing it */
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for (i = 0; i < 54; i++) {
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, 133, 57, 6, 8, i * 6, 0);
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}
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k = 0;
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for (i = 0; string[i]; i++) {
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c = toupper(string[i]);
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if (c >= 'A' && c <= 'Z') { /* letter */
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c = c - 'A';
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, c * 6, 67, 6, 7, k, 0);
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} else if (c >= '0' && c <= '9') { /* number */
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c = c - '0';
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, c * 6 + 66, 58, 6, 7, k, 0);
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} else if (c == '.') {
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, 140, 58, 6, 7, k, 0);
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} else if (c == '-') {
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, 126, 58, 6, 7, k, 0);
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}
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k += 6;
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}
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dockapp->tw = k; /* length of text segment */
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/* re-scroll the message */
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scroll_text(6, 50, 52, dockapp->tw, 1);
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/* reset the scroll repeat counter */
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count = 0;
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}
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static int open_display(char *display)
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{
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dockapp->display = XOpenDisplay(display);
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if (!dockapp->display) {
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perr("Unable to open display '%s'\n", display);
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return 1;
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}
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return 0;
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}
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static void scroll_text(int x, int y, int width, int tw, int reset)
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{
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static int pos, first, stop;
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if (reset) {
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pos = 0;
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first = 0;
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stop = 0;
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XCopyArea(dockapp->display, dockapp->pixmap, dockapp->text,
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dockapp->gc, 0, 0, width, 7, x, y);
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}
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if (stop) {
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return;
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}
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if ((first == 0) && pos == 0) {
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pos = width;
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first = 1;
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}
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if (pos == (0 - tw - 2)) {
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first = 1;
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pos = width;
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stop = 1;
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return;
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}
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pos -= 2;
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if (pos > 0) {
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copy_xpm_area(66, 9, pos, 7, x, y); /* clear */
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XCopyArea(dockapp->display, dockapp->text, dockapp->pixmap,
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dockapp->gc, 0, 0, width - pos, 7, x + pos, y);
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} else { /* don't need to clear, already in text */
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XCopyArea(dockapp->display, dockapp->text, dockapp->pixmap,
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dockapp->gc, abs(pos), 0, width, 7, x, y);
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}
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dockapp->update = 1;
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}
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static void display_percentage(int percent)
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{
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static int op = -1;
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static unsigned int obar;
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unsigned int bar;
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if (percent == -1)
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percent = 0;
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if (op == percent)
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return;
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if (percent < 0)
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percent = 0;
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if (percent > 100)
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percent = 100;
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if (percent < 100) { /* 0 - 99 */
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copy_xpm_area(95, 48, 8, 7, 37, 17);
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if (percent >= 10)
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copy_xpm_area((percent / 10) * 6 + 67, 28, 5, 7, 40, 17);
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copy_xpm_area((percent % 10) * 6 + 67, 28, 5, 7, 46, 17);
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} else
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copy_xpm_area(95, 37, 21, 9, 37, 16); /* 100% */
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op = percent;
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bar = percent / 1.8518;
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if (bar == obar)
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return;
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copy_xpm_area(66, 0, bar, 8, 5, 5);
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if (bar < 54)
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copy_xpm_area(66 + bar, 18, 54 - bar, 8, bar + 5, 5);
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obar = bar;
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}
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static void display_time(int minutes)
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{
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static int ohour = -1, omin = -1;
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int hour, min, tmp;
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if (minutes <= 0) { /* error - clear the display */
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invalid_time_display();
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ohour = omin = -1;
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return;
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}
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/* render time on the display */
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hour = minutes / 60;
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/* our display area only fits %2d:%2d, so we need to make sure
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* what we're displaying will fit in those constraints. I don't
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* think we're likely to see any batteries that do more than
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* 100 hours any time soon, so it's fairly safe. */
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if (hour >= 100) {
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hour = 99;
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min = 59;
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} else
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min = minutes % 60;
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if (hour == ohour && min == omin)
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return;
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tmp = hour / 10;
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copy_xpm_area(tmp * 7 + 1, 76, 6, 11, 7, 32);
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tmp = hour % 10;
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copy_xpm_area(tmp * 7 + 1, 76, 6, 11, 14, 32);
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tmp = min / 10;
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copy_xpm_area(tmp * 7 + 1, 76, 6, 11, 25, 32);
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tmp = min % 10;
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copy_xpm_area(tmp * 7 + 1, 76, 6, 11, 32, 32);
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copy_xpm_area(71, 76, 3, 11, 21, 32);
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ohour = hour;
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omin = min;
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}
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/*
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* The reworked state handling stuff.
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*/
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/* set the current state of the power panel */
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enum panel_states {
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PS_AC,
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PS_BATT,
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PS_NULL,
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};
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static void really_blink_power_glyph(void)
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{
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static int counter = 0;
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if (counter == 10)
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display_power_glyph();
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else if (counter == 20)
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kill_power_glyph();
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else if (counter > 30)
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counter = 0;
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counter++;
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}
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static void blink_power_glyph(void)
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{
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if (dockapp->blink)
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really_blink_power_glyph();
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}
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static void really_blink_battery_glyph(void)
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{
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static int counter = 0;
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if (counter == 10)
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display_battery_glyph();
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else if (counter == 20)
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kill_battery_glyph();
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else if (counter > 30)
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counter = 0;
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counter++;
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}
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static void blink_battery_glyph(void)
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{
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if (dockapp->blink)
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really_blink_battery_glyph();
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}
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static void set_power_panel(void)
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{
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enum panel_states power = PS_NULL;
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battery_t *binfo = globals->binfo;
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adapter_t *ap = &globals->adapter;
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if (ap->power == AC) {
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if (power != PS_AC) {
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power = PS_AC;
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kill_battery_glyph();
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display_power_glyph();
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}
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} else if (ap->power == BATT) {
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if (power != PS_BATT) {
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power = PS_BATT;
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kill_power_glyph();
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display_battery_glyph();
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}
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}
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if (binfo->charge_state == CHARGE)
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blink_power_glyph();
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if (binfo->state == CRIT)
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blink_battery_glyph();
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if (binfo->state == HARD_CRIT) {
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really_blink_battery_glyph();
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/* we only do this here because it'd be obnoxious to
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* do it anywhere else. */
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if (dockapp->bell) {
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XBell(dockapp->display, 100);
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}
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}
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}
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/*
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* The message that needs to be displayed needs to be decided
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* according to a heirarchy: a message like not present needs to take
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* precedence over a global thing like the current power status, and
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* something like a low battery warning should take precedence over
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* the "on battery" message. Likewise, a battery charging message
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* needs to take precedence over the on ac power message. The other
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* question is how much of a precedence local messages should take
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* over global ones . . .
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*
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* So, there are three possible sets of messages: not present, on-line
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* and off-line messages. We need to decide which of those sets is
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* appropriate right now, and then decide within them.
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*/
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enum messages {
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M_NP, /* not present */
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M_AC, /* on ac power */
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M_CH, /* battery charging */
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M_BATT, /* on battery */
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M_LB, /* low battery */
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M_CB, /* critical low battery */
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M_HCB, /* battery reported critical capacity state */
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M_NULL, /* empty starting state */
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};
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static void set_message(void)
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{
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static enum messages state = M_NULL;
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battery_t *binfo = globals->binfo;
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adapter_t *ap = &globals->adapter;
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/* battery not present case */
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if (!binfo->present) {
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if (state != M_NP) {
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state = M_NP;
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render_text("not present");
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}
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} else if (ap->power == AC) {
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if (binfo->charge_state == CHARGE) {
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if (state != M_CH) {
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state = M_CH;
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update_timeout = DEFAULT_UPDATE;
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render_text("battery charging");
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}
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} else {
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if (state != M_AC) {
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state = M_AC;
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update_timeout = DEFAULT_UPDATE;
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render_text("on ac power");
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}
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}
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} else {
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if (binfo->state == CRIT) {
|
|
if (state != M_CB) {
|
|
state = M_CB;
|
|
update_timeout = 80;
|
|
render_text("critical low battery");
|
|
}
|
|
} else if (binfo->state == HARD_CRIT) {
|
|
if (state != M_HCB) {
|
|
state = M_HCB;
|
|
update_timeout = 60;
|
|
render_text("hard critical low battery");
|
|
}
|
|
} else if (binfo->state == LOW) {
|
|
if (state != M_LB) {
|
|
state = M_LB;
|
|
update_timeout = 100;
|
|
render_text("low battery");
|
|
}
|
|
} else {
|
|
if (state != M_BATT) {
|
|
state = M_BATT;
|
|
update_timeout = DEFAULT_UPDATE;
|
|
render_text("on battery");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void set_time_display(void)
|
|
{
|
|
battery_t *binfo = &batteries[battery_no];
|
|
|
|
if (binfo->charge_state == CHARGE)
|
|
display_time(binfo->charge_time);
|
|
else if (binfo->charge_state == DISCHARGE)
|
|
display_time(globals->rtime);
|
|
else
|
|
invalid_time_display();
|
|
}
|
|
|
|
/*
|
|
* This should really be fixed so that it can handle more than two batteries.
|
|
*/
|
|
|
|
void set_id_1(void)
|
|
{
|
|
copy_xpm_area(118, 38, 15, 15, 44, 30);
|
|
}
|
|
|
|
void set_id_2(void)
|
|
{
|
|
copy_xpm_area(136, 38, 15, 15, 44, 30);
|
|
}
|
|
|
|
void set_batt_id_area(int bno)
|
|
{
|
|
switch(bno) {
|
|
case 0:
|
|
set_id_1();
|
|
break;
|
|
case 1:
|
|
set_id_2();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void usage(char *name)
|
|
{
|
|
printf("%s - help\t\t[simon@dreamcraft.com.au]\n\n"
|
|
"-d display\t\tdisplay on remote display <display>\n"
|
|
"-b\t\t\tmake noise when battery is critical low (beep)\n"
|
|
"-c value\t\tset critical low alarm at <value> percent\n"
|
|
"\t\t\t(default: 10 percent)\n"
|
|
"-m <battery number>\tbattery number to monitor\n"
|
|
"-s <sample rate>\trate at which to sample battery status\n"
|
|
"\t\t\tdefault 100 (once every three seconds)\n"
|
|
"-n\t\t\tdo not blink\n"
|
|
"-w\t\t\trun in command line mode\n"
|
|
"-a <samples>\t\tsamples to average over (cli mode only)\n"
|
|
"-v\t\t\tincrease verbosity\n"
|
|
"\t\t\tcan be used multiple times to increase verbosity further\n"
|
|
"-h\t\t\tdisplay this help\n",
|
|
name);
|
|
}
|
|
|
|
void print_version(void)
|
|
{
|
|
printf("wmacpi version %s\n", WMACPI_VER);
|
|
printf(" Using libacpi version %s\n", LIBACPI_VER);
|
|
}
|
|
|
|
void cli_wmacpi(int samples)
|
|
{
|
|
int i, j, sleep_time = 0;
|
|
battery_t *binfo;
|
|
adapter_t *ap;
|
|
|
|
printf("%d\n", samples);
|
|
if(samples > 1)
|
|
sleep_time = 1000000/samples;
|
|
|
|
/* we want to acquire samples over some period of time, so . . . */
|
|
for(i = 0; i < samples + 2; i++) {
|
|
for(j = 0; j < batt_count; j++)
|
|
acquire_batt_info(j);
|
|
acquire_global_info();
|
|
usleep(sleep_time);
|
|
}
|
|
|
|
ap = &globals->adapter;
|
|
if(ap->power == AC) {
|
|
printf("On AC Power");
|
|
for(i = 0; i < batt_count; i++) {
|
|
binfo = &batteries[i];
|
|
if(binfo->present && (binfo->charge_state == CHARGE)) {
|
|
printf("; Battery %s charging", binfo->name);
|
|
printf(", currently at %2d%%", binfo->percentage);
|
|
if(binfo->charge_time >= 0)
|
|
printf(", %2d:%02d remaining",
|
|
binfo->charge_time/60,
|
|
binfo->charge_time%60);
|
|
}
|
|
}
|
|
printf("\n");
|
|
} else if(ap->power == BATT) {
|
|
printf("On Battery");
|
|
for(i = 0; i < batt_count; i++) {
|
|
binfo = &batteries[i];
|
|
if(binfo->present && (binfo->percentage >= 0))
|
|
printf(", Battery %s at %d%%", binfo->name,
|
|
binfo->percentage);
|
|
}
|
|
if(globals->rtime >= 0)
|
|
printf("; %d:%02d remaining", globals->rtime/60,
|
|
globals->rtime%60);
|
|
printf("\n");
|
|
}
|
|
return;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *display = NULL;
|
|
int ch;
|
|
int update = 0;
|
|
int cli = 0, samples = 1;
|
|
int samplerate = 100;
|
|
battery_t *binfo;
|
|
|
|
dockapp = calloc(1, sizeof(Dockapp));
|
|
globals = calloc(1, sizeof(global_t));
|
|
|
|
dockapp->blink = 1;
|
|
dockapp->bell = 0;
|
|
globals->crit_level = 10;
|
|
battery_no = 1;
|
|
|
|
/* parse command-line options */
|
|
while ((ch = getopt(argc, argv, "d:c:m:s:a:hnwvV")) != EOF) {
|
|
switch (ch) {
|
|
case 'c':
|
|
if (optarg) {
|
|
globals->crit_level = atoi(optarg);
|
|
if ((globals->crit_level < 0) || (globals->crit_level > 100)) {
|
|
fprintf(stderr, "Please use values between 0 and 100%%\n");
|
|
globals->crit_level = 10;
|
|
fprintf(stderr, "Using default value of 10%%\n");
|
|
}
|
|
}
|
|
break;
|
|
case 'd':
|
|
if (optarg)
|
|
display = strdup(optarg);
|
|
break;
|
|
case 'm':
|
|
if (optarg) {
|
|
battery_no = atoi(optarg);
|
|
if (battery_no >= MAXBATT) {
|
|
fprintf(stderr, "Please specify a battery number below %d\n",
|
|
MAXBATT);
|
|
return 1;
|
|
}
|
|
if (battery_no > batt_count) {
|
|
fprintf(stderr, "Battery %d does not appear to be installed\n",
|
|
battery_no);
|
|
return 1;
|
|
}
|
|
fprintf(stderr, "Monitoring battery %d\n", battery_no);
|
|
}
|
|
break;
|
|
case 's':
|
|
if (optarg) {
|
|
samplerate = atoi(optarg);
|
|
if (samplerate == 0) samplerate = 1;
|
|
if (samplerate > 3000) samplerate = 3000;
|
|
} else {
|
|
usage(argv[0]);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'h':
|
|
usage(argv[0]);
|
|
return 0;
|
|
case 'v':
|
|
verbosity++;
|
|
break;
|
|
case 'V':
|
|
print_version();
|
|
return 0;
|
|
case 'n':
|
|
dockapp->blink = 0;
|
|
break;
|
|
case 'w':
|
|
cli = 1;
|
|
break;
|
|
case 'a':
|
|
if(optarg != NULL) {
|
|
samples = atoi(optarg);
|
|
if(samples > 1000 || samples <= 0) {
|
|
fprintf(stderr, "Please specify a reasonable number of samples\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
break;
|
|
case 'b':
|
|
dockapp->blink = 1;
|
|
break;
|
|
default:
|
|
usage(argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
}
|
|
|
|
/* see if whatever we want to use is supported */
|
|
if (power_init())
|
|
/* power_init functions handle printing error messages */
|
|
exit(1);
|
|
|
|
/* check for cli mode */
|
|
if (cli) {
|
|
cli_wmacpi(samples);
|
|
exit(0);
|
|
}
|
|
|
|
battery_no--;
|
|
|
|
/* open local or command-line specified display */
|
|
if (open_display(display))
|
|
exit(1);
|
|
|
|
/* make new dockapp window */
|
|
/* Don't even /think/ of asking me why, but if I set the window name to
|
|
* "acpi", the app refuses to dock properly - it's just plain /weird/.
|
|
* So, wmacpi it is . . . */
|
|
new_window("wmacpi");
|
|
|
|
/* get initial statistics */
|
|
acquire_all_info();
|
|
binfo = &batteries[battery_no];
|
|
globals->binfo = binfo;
|
|
pinfo("monitoring battery %s\n", binfo->name);
|
|
clear_time_display();
|
|
set_power_panel();
|
|
set_message();
|
|
set_batt_id_area(battery_no);
|
|
|
|
/* main loop */
|
|
while (1) {
|
|
XEvent event;
|
|
while (XPending(dockapp->display)) {
|
|
XNextEvent(dockapp->display, &event);
|
|
switch (event.type) {
|
|
case Expose:
|
|
/* update */
|
|
dockapp->update = 1;
|
|
while (XCheckTypedEvent(dockapp->display, Expose, &event));
|
|
redraw_window();
|
|
break;
|
|
case DestroyNotify:
|
|
XCloseDisplay(dockapp->display);
|
|
exit(0);
|
|
break;
|
|
case ButtonPress:
|
|
break;
|
|
case ButtonRelease:
|
|
/* cycle through the known batteries. */
|
|
battery_no++;
|
|
battery_no = battery_no % batt_count;
|
|
globals->binfo = &batteries[battery_no];
|
|
binfo = globals->binfo;
|
|
pinfo("changing to monitor battery %d\n", battery_no + 1);
|
|
set_batt_id_area(battery_no);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* XXX: some laptops have problems with sampling the battery
|
|
* regularly - apparently, the BIOS disables interrupts while
|
|
* reading from the battery, which is generally on a slow bus
|
|
* and is a slow device, so you get significant periods without
|
|
* interrupts. This causes interactivity to suffer . . .
|
|
*
|
|
* My proposed workaround is to allow the user to set the sample
|
|
* rate - it defaults to ten, but can be set lower (or higher).
|
|
*
|
|
* The only problem with this is that we need to sample less
|
|
* frequently, while still allowing the app to update normally.
|
|
* That means calling redraw_window() and all the set_*() functions
|
|
* normally, but only calling acquire_all_info() every so often.
|
|
* As it stands, we only call acquire_all_info() once every three
|
|
* seconds (once every thirty updates) . . . I'm not entirely sure
|
|
* /how/ this could cause interactivity problems, but hey . . .
|
|
*
|
|
* So, given the base rate of once every three seconds, we want to
|
|
* change this test to . . . */
|
|
if (update++ == (3000/samplerate)) {
|
|
acquire_all_info();
|
|
update = 0;
|
|
}
|
|
|
|
if (count++ == update_timeout) {
|
|
scroll_text(6, 50, 52, dockapp->tw, 1);
|
|
count = 0;
|
|
}
|
|
|
|
/* the old code had some kind of weird crap with timers and the like.
|
|
* As far as I can tell, it's meaningless - the time we want to display
|
|
* is the time calculated from the remaining capacity, as per the
|
|
* ACPI spec. The only thing I'd change is the handling of a charging
|
|
* state: my best guess, based on the behaviour I'm seeing with my
|
|
* Lifebook, is that the present rate value when charging is the rate
|
|
* at which the batteries are being charged, which would mean I'd just
|
|
* need to reverse the rtime calculation to be able to work out how
|
|
* much time remained until the batteries were fully charged . . .
|
|
* That would be rather useful, though given it would vary rather a lot
|
|
* it seems likely that it'd be little more than a rough guesstimate. */
|
|
set_time_display();
|
|
set_power_panel();
|
|
set_message();
|
|
display_percentage(binfo->percentage);
|
|
scroll_text(6, 50, 52, dockapp->tw, 0);
|
|
|
|
/* redraw_window, if anything changed - determined inside
|
|
* redraw_window. */
|
|
redraw_window();
|
|
usleep(100000);
|
|
}
|
|
return 0;
|
|
}
|