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dockapps/wmclock/wmclock.c

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/* wmclock.c: a dockable clock applet for Window Maker
* created 1999-Apr-09 jmk
*
* by Jim Knoble <jmknoble@pobox.com>
* Copyright (C) 1999 Jim Knoble
*
* Significant portions of this software are derived from asclock by
* Beat Christen <spiff@longstreet.ch>. Such portions are copyright
* by Beat Christen and the other authors of asclock.
*
* Disclaimer:
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties of
* merchantability, fitness for a particular purpose and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages or other liability, whether in an action of
* contract, tort or otherwise, arising from, out of or in connection
* with the software or the use or other dealings in the software.
*/
#include <sys/select.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/xpm.h>
#include <X11/extensions/shape.h>
#include "dynlist.h"
/**********************************************************************/
#define ONLY_SHAPED_WINDOW 1
#define NUM_TIME_POSITIONS 5
#define NUM_X_POSITIONS 11
#define NUM_Y_POSITIONS 4
#define DIGIT_1_X_POS 0
#define DIGIT_2_X_POS 1
#define DIGIT_3_X_POS 3
#define DIGIT_4_X_POS 4
#define DIGIT_Y_POS 0
#define LED_NUM_Y_OFFSET 0
#define LED_THIN_1_X_OFFSET 13
#define LED_NUM_WIDTH 9
#define LED_NUM_HEIGHT 11
#define LED_THIN_1_WIDTH 5
#define COLON_X_POS 2
#define COLON_Y_POS DIGIT_Y_POS
#define COLON_X_OFFSET 90
#define COLON_Y_OFFSET 0
#define BLANK_X_OFFSET 119
#define BLANK_Y_OFFSET COLON_Y_OFFSET
#define COLON_WIDTH 3
#define COLON_HEIGHT 11
#define AMPM_X_POS 5
#define AM_X_OFFSET 94
#define AM_Y_OFFSET 5
#define PM_X_OFFSET 107
#define PM_Y_OFFSET 5
#define AM_WIDTH 12
#define AM_HEIGHT 6
#define PM_WIDTH 11
#define PM_HEIGHT 6
#define MONTH_X_POS 10
#define MONTH_Y_POS 3
#define MONTH_X_OFFSET 0
#define MONTH_WIDTH 22
#define MONTH_HEIGHT 6
#define DATE_LEFT_X_POS 7
#define DATE_CENTER_X_POS 8
#define DATE_RIGHT_X_POS 9
#define DATE_Y_POS 2
#define DATE_Y_OFFSET 0
#define DATE_NUM_WIDTH 9
#define DATE_NUM_HEIGHT 13
#define WEEKDAY_X_POS 6
#define WEEKDAY_Y_POS 1
#define WEEKDAY_X_OFFSET 0
#define WEEKDAY_WIDTH 21
#define WEEKDAY_HEIGHT 6
#define OUR_WINDOW_EVENTS (ExposureMask | ButtonPressMask | StructureNotifyMask)
#define LED_XPM_BRIGHT_LINE_INDEX 3
#define LED_XPM_BRIGHT_CHAR '+'
#define LED_XPM_DIM_LINE_INDEX 4
#define LED_XPM_DIM_CHAR '@'
#define DEFAULT_XPM_CLOSENESS 40000
#define DIM_NUMERATOR 5
#define DIM_DENOMINATOR 10
#define makeDimColor(c) (((c) * DIM_NUMERATOR) / DIM_DENOMINATOR)
/**********************************************************************/
#ifndef ONLY_SHAPED_WINDOW
# include "clk.xpm"
#endif /* !ONLY_SHAPED_WINDOW */
#include MONTH_XPM
#include WEEKDAY_XPM
#include "xpm/date.xpm"
#include "xpm/led.xpm"
#include "xpm/mask.xbm"
#include "xpm/mask.xpm"
typedef struct _XpmIcon {
Pixmap pixmap;
Pixmap mask;
XpmAttributes attributes;
} XpmIcon;
void showUsage(void);
void showVersion(void);
int buildCommand(char *, char **, int *, int *);
void executeCommand(char *);
void showError(const char *, const char*);
void showFatalError(const char *, const char*);
void GetXpms(void);
int flushExposeEvents(Window);
void redrawWindow(XpmIcon *);
Pixel GetColor(const char *);
int mytime(void);
void showYear(void);
void showTime12(void);
void showTime24(void);
void showTime(void);
char* extractProgName(char *);
int processArgs(int, char **);
/**********************************************************************/
int enable12HourClock = 0; /* default value is 24h format */
int enableShapedWindow = 1; /* default value is noshape */
int enableBlinking = 1; /* default is blinking */
int startIconified = 0; /* default is not iconified */
int enableYearDisplay = 0; /* default is to show time, not year */
unsigned int blinkInterval = 2; /* default is a 2-second blink cycle */
int timePos12[NUM_TIME_POSITIONS] = { 5, 14, 24, 28, 37 };
int timePos24[NUM_TIME_POSITIONS] = { 4, 8, 17, 22, 31 };
/* with shape */
int xPosShaped[NUM_X_POSITIONS] = { 0, 0, 0, 0, 0, 40, 17, 17, 22, 27, 15 };
int yPosShaped[NUM_Y_POSITIONS] = { 3, 21, 30, 45 };
#ifndef ONLY_SHAPED_WINDOW
/* no shape */
int xPosUnshaped[NUM_X_POSITIONS] = { 5, 5, 5, 5, 5, 45, 21, 21, 26, 31, 19 };
int yPosUnshaped[NUM_Y_POSITIONS] = { 7, 25, 34, 49 };
#endif /* !ONLY_SHAPED_WINDOW */
int xPos[NUM_X_POSITIONS];
int yPos[NUM_Y_POSITIONS];
Display *dpy;
Window rootWindow;
int screen;
int xFd;
fd_set xFdSet;
int displayDepth;
XSizeHints sizeHints;
XWMHints wmHints;
Pixel bgPixel, fgPixel;
GC normalGC;
Window iconWin, win;
char *progName;
char *className = "WMClock";
char *geometry = "";
char *ledColor = "LightSeaGreen";
char *commandToExec = NULL;
char *commandBuf = NULL;
int commandLength = 0;
int commandIndex = 0;
char *errColorCells = "not enough free color cells or xpm not found\n";
char *userClockXpm;
char *userMonthXpm;
char *userWeekdayXpm;
int useUserClockXpm = 0;
int useUserMonthXpm = 0;
int useUserWeekdayXpm = 0;
XpmIcon clockBg, led, months, dateNums, weekdays;
XpmIcon visible;
time_t actualTime;
long actualMinutes;
static struct tm *localTime;
char *usageText[] = {
"Options:",
" -12 show 12-hour time (am/pm)",
" -24 show 24-hour time",
" -year show year instead of time",
" -noblink don't blink",
" -interval <seconds> set blink interval",
" -exe <command> start <command> on mouse click",
" -led <color> use <color> as color of led",
#ifndef ONLY_SHAPED_WINDOW
" -clockxpm <filename> get clock background from pixmap in <filename>",
#endif /* !ONLY_SHAPED_WINDOW */
" -monthxpm <filename> get month names from pixmap in <filename>",
" -weekdayxpm <filename> get weekday names from pixmap in <filename>",
" -version display the version",
NULL
};
char *version = VERSION;
/**********************************************************************/
/* Display usage information */
void showUsage(void)
{
char **cpp;
fprintf(stderr, "Usage: %s [option [option ...]]\n\n", progName);
for (cpp = usageText; *cpp; cpp++)
{
fprintf(stderr, "%s\n", *cpp);
}
fprintf(stderr,"\n");
exit(1);
}
/* Display the program version */
void showVersion()
{
fprintf(stderr, "%s version %s\n", progName, version);
exit(1);
}
/* Build the shell command to execute */
int buildCommand(char *command, char **buf, int *buf_len, int *i)
{
int status;
status = append_string_to_buf(buf, buf_len, i, command);
if (APPEND_FAILURE == status)
{
return (0);
}
status = append_string_to_buf(buf, buf_len, i, " &");
return ((APPEND_FAILURE == status) ? 0 : 1);
}
/* Execute the given shell command */
void executeCommand(char *command)
{
int status;
if (NULL == command)
{
return;
}
status = system(command);
if (-1 == status)
{
perror("system");
}
}
/* Display an error message */
void showError(const char *message, const char *data)
{
fprintf(stderr,"%s: can't %s %s\n", progName, message, data);
}
/* Display an error message and exit */
void showFatalError(const char *message, const char *data)
{
showError(message, data);
exit(1);
}
/* Konvertiere XPMIcons nach Pixmaps */
void GetXpms(void)
{
static char **clock_xpm;
XColor color;
XWindowAttributes attributes;
char ledBright[64];
char ledDim[64];
int status;
#ifdef ONLY_SHAPED_WINDOW
clock_xpm = mask_xpm;
#else /* !ONLY_SHAPED_WINDOW */
clock_xpm = enableShapedWindow ? mask_xpm : clk_xpm;
#endif /* ONLY_SHAPED_WINDOW */
/* for the colormap */
XGetWindowAttributes(dpy, rootWindow, &attributes);
/* get user-defined color */
if (!XParseColor(dpy, attributes.colormap, ledColor, &color))
{
showError("parse color", ledColor);
}
sprintf(ledBright, "%c c #%04X%04X%04X", LED_XPM_BRIGHT_CHAR,
color.red, color.green, color.blue);
led_xpm[LED_XPM_BRIGHT_LINE_INDEX] = &ledBright[0];
color.red = makeDimColor(color.red);
color.green = makeDimColor(color.green);
color.blue = makeDimColor(color.blue);
sprintf(&ledDim[0], "%c c #%04X%04X%04X", LED_XPM_DIM_CHAR,
color.red, color.green, color.blue);
led_xpm[LED_XPM_DIM_LINE_INDEX] = &ledDim[0];
clockBg.attributes.closeness = DEFAULT_XPM_CLOSENESS;
clockBg.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
if (useUserClockXpm)
{
status = XpmReadFileToPixmap(dpy, rootWindow, userClockXpm,
&clockBg.pixmap, &clockBg.mask,
&clockBg.attributes);
}
else
{
status = XpmCreatePixmapFromData(dpy, rootWindow, clock_xpm,
&clockBg.pixmap, &clockBg.mask,
&clockBg.attributes);
}
if (XpmSuccess != status)
{
showFatalError("create clock pixmap:", errColorCells);
}
#ifdef ONLY_SHAPED_WINDOW
visible.attributes.depth = displayDepth;
visible.attributes.width = clockBg.attributes.width;
visible.attributes.height = clockBg.attributes.height;
visible.pixmap = XCreatePixmap(dpy, rootWindow, visible.attributes.width,
visible.attributes.height,
visible.attributes.depth);
#else /* !ONLY_SHAPED_WINDOW */
visible.attributes.closeness = DEFAULT_XPM_CLOSENESS;
visible.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
status = XpmCreatePixmapFromData(dpy, rootWindow, clk_xpm,
&visible.pixmap, &visible.mask,
&visible.attributes);
#endif /* ONLY_SHAPED_WINDOW */
led.attributes.closeness = DEFAULT_XPM_CLOSENESS;
led.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
status = XpmCreatePixmapFromData(dpy, rootWindow, led_xpm,
&led.pixmap, &led.mask,
&led.attributes);
if (XpmSuccess != status)
{
showFatalError("create led pixmap:", errColorCells);
}
months.attributes.closeness = DEFAULT_XPM_CLOSENESS;
months.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
if (useUserMonthXpm)
{
status = XpmReadFileToPixmap(dpy, rootWindow, userMonthXpm,
&months.pixmap, &months.mask,
&months.attributes);
}
else
{
status = XpmCreatePixmapFromData(dpy, rootWindow, month_xpm,
&months.pixmap, &months.mask,
&months.attributes);
}
if (XpmSuccess != status)
{
showFatalError("create month pixmap:", errColorCells);
}
dateNums.attributes.closeness = DEFAULT_XPM_CLOSENESS;
dateNums.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
status = XpmCreatePixmapFromData(dpy, rootWindow, date_xpm,
&dateNums.pixmap, &dateNums.mask,
&dateNums.attributes);
if (XpmSuccess != status)
{
showFatalError("create date pixmap:", errColorCells);
}
weekdays.attributes.closeness = DEFAULT_XPM_CLOSENESS;
weekdays.attributes.valuemask |=
(XpmReturnPixels | XpmReturnExtensions | XpmCloseness);
if (useUserWeekdayXpm)
{
status = XpmReadFileToPixmap(dpy, rootWindow, userWeekdayXpm,
&weekdays.pixmap, &weekdays.mask,
&weekdays.attributes);
}
else
{
status = XpmCreatePixmapFromData(dpy, rootWindow, weekday_xpm,
&weekdays.pixmap, &weekdays.mask,
&weekdays.attributes);
}
if (XpmSuccess != status)
{
showFatalError("create weekday pixmap:", errColorCells);
}
}
/* Remove expose events for a specific window from the queue */
int flushExposeEvents(Window w)
{
XEvent dummy;
int i = 0;
while (XCheckTypedWindowEvent(dpy, w, Expose, &dummy))
{
i++;
}
return(i);
}
/* (Re-)Draw the main window and the icon window */
void redrawWindow(XpmIcon *v)
{
flushExposeEvents(iconWin);
XCopyArea(dpy, v->pixmap, iconWin, normalGC,
0, 0, v->attributes.width, v->attributes.height, 0, 0);
flushExposeEvents(win);
XCopyArea(dpy, v->pixmap, win, normalGC,
0, 0, v->attributes.width, v->attributes.height, 0, 0);
}
/* Get a Pixel for the given color name */
Pixel GetColor(const char *colorName)
{
XColor color;
XWindowAttributes attributes;
XGetWindowAttributes(dpy, rootWindow, &attributes);
color.pixel = 0;
if (!XParseColor(dpy, attributes.colormap, colorName, &color))
{
showError("parse color", colorName);
}
else if (!XAllocColor(dpy, attributes.colormap, &color))
{
showError("allocate color", colorName);
}
return(color.pixel);
}
/* Fetch the system time and time zone */
int mytime(void)
{
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
return(tv.tv_sec);
}
/* Display the current year in the LED display */
void showYear(void)
{
int year;
int digitXOffset;
int digitYOffset;
year = localTime->tm_year + 1900;
digitYOffset = LED_NUM_Y_OFFSET;
digitXOffset = LED_NUM_WIDTH * (year / 1000);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset , digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_1_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * ((year / 100) % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset , digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_2_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * ((year / 10) % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset , digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_3_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (year % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset , digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_4_X_POS], yPos[DIGIT_Y_POS]);
}
/* Display time in twelve-hour mode, with am/pm indicator */
void showTime12(void)
{
int digitXOffset;
int digitYOffset;
int localHour = localTime->tm_hour % 12;
if (0 == localHour)
{
localHour = 12;
}
if (localTime->tm_hour < 12)
{
/* AM */
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
AM_X_OFFSET, AM_Y_OFFSET, AM_WIDTH, AM_HEIGHT,
xPos[AMPM_X_POS], yPos[DIGIT_Y_POS] + AM_Y_OFFSET);
}
else
{
/* PM */
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
PM_X_OFFSET, PM_Y_OFFSET, PM_WIDTH, PM_HEIGHT,
xPos[AMPM_X_POS], yPos[DIGIT_Y_POS] + PM_Y_OFFSET);
}
digitYOffset = LED_NUM_Y_OFFSET;
if (localHour > 9)
{
digitXOffset = LED_THIN_1_X_OFFSET;
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_THIN_1_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_1_X_POS], yPos[DIGIT_Y_POS]);
}
digitXOffset = LED_NUM_WIDTH * (localHour % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_2_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (localTime->tm_min / 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_3_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (localTime->tm_min % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_4_X_POS], yPos[DIGIT_Y_POS]);
}
/* Display time in 24-hour mode, without am/pm indicator */
void showTime24(void)
{
int digitXOffset;
int digitYOffset;
digitYOffset = LED_NUM_Y_OFFSET;
digitXOffset = LED_NUM_WIDTH * (localTime->tm_hour / 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_1_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (localTime->tm_hour % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_2_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (localTime->tm_min / 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_3_X_POS], yPos[DIGIT_Y_POS]);
digitXOffset = LED_NUM_WIDTH * (localTime->tm_min % 10);
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
digitXOffset, digitYOffset, LED_NUM_WIDTH, LED_NUM_HEIGHT,
xPos[DIGIT_4_X_POS], yPos[DIGIT_Y_POS]);
}
void showTime(void)
{
int xOffset;
int yOffset;
/* Zeit auslesen */
actualTime = mytime();
actualMinutes = actualTime / 60;
localTime = localtime(&actualTime);
/* leere clock holen */
XCopyArea(dpy, clockBg.pixmap, visible.pixmap, normalGC,
0, 0, sizeHints.width, sizeHints.height, 0, 0);
if (enableYearDisplay)
{
showYear();
}
else if (enable12HourClock)
{
showTime12();
}
else
{
showTime24();
}
/* Monat */
xOffset = MONTH_X_OFFSET;
yOffset = MONTH_HEIGHT * (localTime->tm_mon);
XCopyArea(dpy, months.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, MONTH_WIDTH, MONTH_HEIGHT,
xPos[MONTH_X_POS], yPos[MONTH_Y_POS]);
/* Datum */
yOffset = DATE_Y_OFFSET;
if (localTime->tm_mday > 9)
{
xOffset = DATE_NUM_WIDTH * (((localTime->tm_mday / 10) + 9) % 10);
XCopyArea(dpy, dateNums.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, DATE_NUM_WIDTH, DATE_NUM_HEIGHT,
xPos[DATE_LEFT_X_POS], yPos[DATE_Y_POS]);
xOffset = DATE_NUM_WIDTH * (((localTime->tm_mday % 10) + 9) % 10);
XCopyArea(dpy, dateNums.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, DATE_NUM_WIDTH, DATE_NUM_HEIGHT,
xPos[DATE_RIGHT_X_POS], yPos[DATE_Y_POS]);
}
else
{
xOffset = DATE_NUM_WIDTH * (localTime->tm_mday - 1);
XCopyArea(dpy, dateNums.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, DATE_NUM_WIDTH, DATE_NUM_HEIGHT,
xPos[DATE_CENTER_X_POS], yPos[DATE_Y_POS]);
}
/* Wochentag */
xOffset = WEEKDAY_X_OFFSET;
yOffset = WEEKDAY_HEIGHT * ((localTime->tm_wday + 6) % 7);
XCopyArea(dpy, weekdays.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, WEEKDAY_WIDTH, WEEKDAY_HEIGHT,
xPos[WEEKDAY_X_POS], yPos[WEEKDAY_Y_POS]);
if ((!enableBlinking) && (!enableYearDisplay))
{
/* Sekunden Doppelpunkt ein */
xOffset = COLON_X_OFFSET;
yOffset = COLON_Y_OFFSET;
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
xOffset, yOffset, COLON_WIDTH, COLON_HEIGHT,
xPos[COLON_X_POS], yPos[COLON_Y_POS]);
}
}
/* Extract program name from the zeroth program argument */
char *extractProgName(char *argv0)
{
char *prog_name = NULL;
if (NULL != argv0)
{
prog_name = strrchr(argv0, '/');
if (NULL == prog_name)
{
prog_name = argv0;
}
else
{
prog_name++;
}
}
return (prog_name);
}
/* Process program arguments and set corresponding options */
int processArgs(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
{
if (0 == strcmp(argv[i], "--"))
{
break;
}
else if ((0 == strcmp(argv[i], "-12")) ||
(0 == strcmp(argv[i], "-1")) ||
(0 == strcmp(argv[i], "--12")))
{
enable12HourClock = 1;
}
else if ((0 == strcmp(argv[i], "-24")) ||
(0 == strcmp(argv[i], "-2")) ||
(0 == strcmp(argv[i], "--24")))
{
enable12HourClock = 0;
}
else if ((0 == strcmp(argv[i], "-exe")) ||
(0 == strcmp(argv[i], "-e")) ||
(0 == strcmp(argv[i], "--exe")))
{
if (++i >= argc)
{
showUsage();
}
commandToExec = argv[i];
}
else if ((0 == strcmp(argv[i], "-led")) ||
(0 == strcmp(argv[i], "-l")) ||
(0 == strcmp(argv[i], "--led")))
{
if (++i >= argc)
{
showUsage();
}
ledColor = argv[i];
}
else if ((0 == strcmp(argv[i], "-clockxpm")) ||
(0 == strcmp(argv[i], "-c")) ||
(0 == strcmp(argv[i], "--clockxpm")))
{
#ifndef ONLY_SHAPED_WINDOW
if (++i >= argc)
{
showUsage();
}
userClockXpm = argv[i];
useUserClockXpm = 1;
#endif /* !ONLY_SHAPED_WINDOW */
}
else if ((0 == strcmp(argv[i], "-monthxpm")) ||
(0 == strcmp(argv[i], "-m")) ||
(0 == strcmp(argv[i], "--monthxpm")))
{
if (++i >= argc)
{
showUsage();
}
userMonthXpm = argv[i];
useUserMonthXpm = 1;
}
else if ((0 == strcmp(argv[i], "-weekdayxpm")) ||
(0 == strcmp(argv[i], "-w")) ||
(0 == strcmp(argv[i], "--weekdayxpm")))
{
if (++i >= argc)
{
showUsage();
}
userWeekdayXpm = argv[i];
useUserWeekdayXpm = 1;
}
else if ((0 == strcmp(argv[i], "-noblink")) ||
(0 == strcmp(argv[i], "-n")) ||
(0 == strcmp(argv[i], "--noblink")))
{
enableBlinking = 0;
}
else if ((0 == strcmp(argv[i], "-year")) ||
(0 == strcmp(argv[i], "-y")) ||
(0 == strcmp(argv[i], "--year")))
{
enableYearDisplay = 1;
}
else if ((0 == strcmp(argv[i], "-position")) ||
(0 == strcmp(argv[i], "-p")) ||
(0 == strcmp(argv[i], "--position")))
{
#ifndef ONLY_SHAPED_WINDOW
if (++i >= argc)
{
showUsage();
}
geometry = argv[i];
#endif /* !ONLY_SHAPED_WINDOW */
}
else if ((0 == strcmp(argv[i], "-shape")) ||
(0 == strcmp(argv[i], "-s")) ||
(0 == strcmp(argv[i], "--shape")))
{
enableShapedWindow = 1;
}
else if ((0 == strcmp(argv[i], "-iconic")) ||
(0 == strcmp(argv[i], "-i")) ||
(0 == strcmp(argv[i], "--iconic")))
{
#ifndef ONLY_SHAPED_WINDOW
startIconified = 1;
#endif /* !ONLY_SHAPED_WINDOW */
}
else if ((0 == strcmp(argv[i], "-version")) ||
(0 == strcmp(argv[i], "-V")) ||
(0 == strcmp(argv[i], "--version")))
{
showVersion();
}
else if ((0 == strcmp(argv[i], "-help")) ||
(0 == strcmp(argv[i], "-h")) ||
(0 == strcmp(argv[i], "--help")))
{
showUsage();
}
else if ((0 == strcmp(argv[i], "-interval")) ||
(0 == strcmp(argv[i], "--interval")))
{
if (++i >= argc)
{
showUsage();
}
blinkInterval = atoi(argv[i]);
}
else
{
fprintf(stderr, "%s: unrecognized option `%s'\n",
progName, argv[i]);
showUsage();
}
}
return (i);
}
/**********************************************************************/
int main(int argc, char **argv)
{
int i;
unsigned int borderWidth = 0;
char *displayName = NULL;
XGCValues gcValues;
unsigned long gcMask;
XEvent event;
XTextProperty wmName;
XClassHint classHint;
Pixmap shapeMask;
struct timeval nextEvent;
unsigned int blinkCounter = 0;
/* Parse command line options */
progName = extractProgName(argv[0]);
processArgs(argc, argv);
/* init led position */
#ifndef ONLY_SHAPED_WINDOW
for (i = 0; i < NUM_Y_POSITIONS; i++)
{
yPos[i] = enableShapedWindow ? yPosShaped[i] : yPosUnshaped[i];
}
for (i = 0; i < NUM_X_POSITIONS; i++)
{
xPos[i] = enableShapedWindow ? xPosShaped[i] : xPosUnshaped[i];
}
#else /* ONLY_SHAPED_WINDOW */
for (i = 0; i < NUM_Y_POSITIONS; i++)
{
yPos[i] = yPosShaped[i];
}
for (i = 0; i < NUM_X_POSITIONS; i++)
{
xPos[i] = xPosShaped[i];
}
#endif /* !ONLY_SHAPED_WINDOW */
for (i = 0; i < NUM_TIME_POSITIONS; i++)
{
if (enable12HourClock && (!enableYearDisplay))
{
xPos[i] += timePos24[i];
}
else
{
xPos[i] += timePos12[i];
}
}
/* Open the display */
dpy = XOpenDisplay(displayName);
if (NULL == dpy)
{
fprintf(stderr, "%s: can't open display %s\n", progName,
XDisplayName(displayName));
exit(1);
}
screen = DefaultScreen(dpy);
rootWindow = RootWindow(dpy, screen);
displayDepth = DefaultDepth(dpy, screen);
xFd = XConnectionNumber(dpy);
/* Icon Daten nach XImage konvertieren */
GetXpms();
/* Create a window to hold the banner */
sizeHints.x = 0;
sizeHints.y = 0;
sizeHints.min_width = clockBg.attributes.width;
sizeHints.min_height = clockBg.attributes.height;
sizeHints.max_width = clockBg.attributes.width;
sizeHints.max_height = clockBg.attributes.height;
sizeHints.base_width = clockBg.attributes.width;
sizeHints.base_height = clockBg.attributes.height;
sizeHints.flags = USSize | USPosition | PMinSize | PMaxSize | PBaseSize;
bgPixel = GetColor("white");
fgPixel = GetColor("black");
XWMGeometry(dpy, screen, geometry, NULL, borderWidth, &sizeHints,
&sizeHints.x, &sizeHints.y, &sizeHints.width, &sizeHints.height,
&sizeHints.win_gravity);
sizeHints.width = clockBg.attributes.width;
sizeHints.height = clockBg.attributes.height;
win = XCreateSimpleWindow(dpy, rootWindow, sizeHints.x, sizeHints.y,
sizeHints.width, sizeHints.height,
borderWidth, fgPixel, bgPixel);
iconWin = XCreateSimpleWindow(dpy, win, sizeHints.x, sizeHints.y,
sizeHints.width, sizeHints.height,
borderWidth, fgPixel, bgPixel);
/* Hints aktivieren */
XSetWMNormalHints(dpy, win, &sizeHints);
classHint.res_name = progName;
classHint.res_class = className;
XSetClassHint(dpy, win, &classHint);
XSelectInput(dpy, win, OUR_WINDOW_EVENTS);
XSelectInput(dpy, iconWin, OUR_WINDOW_EVENTS);
if (0 == XStringListToTextProperty(&progName, 1, &wmName))
{
fprintf(stderr, "%s: can't allocate window name text property\n",
progName);
exit(-1);
}
XSetWMName(dpy, win, &wmName);
/* Create a GC for drawing */
gcMask = GCForeground | GCBackground | GCGraphicsExposures;
gcValues.foreground = fgPixel;
gcValues.background = bgPixel;
gcValues.graphics_exposures = False;
normalGC = XCreateGC(dpy, rootWindow, gcMask, &gcValues);
if (enableShapedWindow)
{
shapeMask = XCreateBitmapFromData(dpy, win, (char *)mask_bits,
mask_width, mask_height);
XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, shapeMask, ShapeSet);
XShapeCombineMask(dpy, iconWin, ShapeBounding, 0, 0, shapeMask,
ShapeSet);
}
wmHints.initial_state = WithdrawnState;
wmHints.icon_window = iconWin;
wmHints.icon_x = sizeHints.x;
wmHints.icon_y = sizeHints.y;
wmHints.window_group = win;
wmHints.flags = StateHint | IconWindowHint | IconPositionHint |
WindowGroupHint;
XSetWMHints(dpy, win, &wmHints);
XSetCommand(dpy, win, argv, argc);
XMapWindow(dpy,win);
showTime();
redrawWindow(&visible);
while (1)
{
if (actualTime != mytime())
{
actualTime = mytime();
if (actualMinutes != (actualTime / 60))
{
showTime();
if (!enableBlinking)
{
redrawWindow(&visible);
}
}
if (0 == (actualTime % 2))
{
/* Clean up zombie processes */
#ifdef DEBUG
fprintf(stderr, "%s: cleaning up zombies (time %ld)\n",
progName, actualTime);
#endif /* DEBUG */
if (NULL != commandToExec)
{
waitpid(0, NULL, WNOHANG);
}
}
}
if (enableBlinking && (!enableYearDisplay))
{
blinkCounter++;
#ifdef SYSV
if (blinkCounter >= 20*blinkInterval)
#else
if (blinkCounter >= 2*blinkInterval)
#endif
blinkCounter = 0;
if (blinkCounter == 0)
{
/* Sekunden Doppelpunkt ein */
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
COLON_X_OFFSET, COLON_Y_OFFSET,
COLON_WIDTH, COLON_HEIGHT,
xPos[COLON_X_POS], yPos[COLON_Y_POS]);
}
#ifdef SYSV
if (blinkCounter == 10*blinkInterval)
#else
if (blinkCounter == blinkInterval)
#endif
{
/* Sekunden Doppelpunkt aus */
XCopyArea(dpy, led.pixmap, visible.pixmap, normalGC,
BLANK_X_OFFSET, BLANK_Y_OFFSET,
COLON_WIDTH, COLON_HEIGHT,
xPos[COLON_X_POS], yPos[COLON_Y_POS]);
}
redrawWindow(&visible);
}
/* read a packet */
while (XPending(dpy))
{
XNextEvent(dpy, &event);
switch(event.type)
{
case Expose:
if (0 == event.xexpose.count)
{
redrawWindow(&visible);
}
break;
case ButtonPress:
if (NULL != commandToExec)
{
pid_t fork_pid;
if ((NULL == commandBuf) &&
(!buildCommand(commandToExec, &commandBuf,
&commandLength, &commandIndex)))
{
break;
}
fork_pid = fork();
switch (fork_pid)
{
case 0:
/* We're the child process;
* run the command and exit.
*/
executeCommand(commandBuf);
/* When the system() call finishes, we're done. */
exit(0);
break;
case -1:
/* We're the parent process, but
* fork() gave an error.
*/
perror("fork");
break;
default:
/* We're the parent process;
* keep on doing what we normally do.
*/
break;
}
}
break;
case DestroyNotify:
#if 0
XFreeGC(dpy, normalGC);
XDestroyWindow(dpy, win);
XDestroyWindow(dpy, iconWin);
#endif /* 0 */
#ifdef ONLY_SHAPED_WINDOW
XFreePixmap(dpy, visible.pixmap);
#endif /* ONLY_SHAPED_WINDOW */
XCloseDisplay(dpy);
exit(0);
default:
break;
}
}
XFlush(dpy);
#ifdef SYSV
if (enableYearDisplay)
{
poll((struct poll *) 0, (size_t) 0, 200); /* 1/5 sec */
}
else
{
poll((struct poll *) 0, (size_t) 0, 50); /* 5/100 sec */
}
#else
/* We compute the date of next event, in order to avoid polling */
if (enableBlinking)
{
gettimeofday(&nextEvent,NULL);
nextEvent.tv_sec = 0;
if (nextEvent.tv_usec < 500000)
nextEvent.tv_usec = 500000-nextEvent.tv_usec;
else
nextEvent.tv_usec = 1000000-nextEvent.tv_usec;
}
else
{
if (enableYearDisplay)
{
nextEvent.tv_sec = 86400-actualTime%86400;
nextEvent.tv_usec = 0;
}
else
{
nextEvent.tv_sec = 60-actualTime%60;
nextEvent.tv_usec = 0;
}
}
FD_ZERO(&xFdSet);
FD_SET(xFd,&xFdSet);
select(FD_SETSIZE,&xFdSet,NULL,NULL,&nextEvent);
#endif
}
return (0);
}
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