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dockapps/wmckgmail-1.1/wmckgmail/wmckgmail.c
Carlos R. Mafra 21625f40b5 Initial dockapps git repo 
I tried to get the latest versions from dockapps.org, but I haven't
tested any of them.

More dockapps will be added as time permits.
2011-03-25 19:45:13 +01:00

622 lines
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/****************************************************************************/
/* wmckgmail 1.1 : A dockapp to monitor the number of unread mails in a */
/* gmail inbox */
/* Author : Sylvain Tremblay <stremblay@gmail.com> */
/* Release date : Sep 09, 2006 */
/****************************************************************************/
/* -------------------- */
/* Defines */
/* -------------------- */
#define _GNU_SOURCE
#define DEBUG 0
#define COUNTERWINDOW 0
#define BIG_M_ 0
/* -------------------- */
/* Includes */
/* -------------------- */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include <X11/Xlib.h>
#include <X11/xpm.h>
#include "../wmgeneral/wmgeneral.h"
#include "../wmgeneral/misc.h"
#include "wmckgmail.xpm"
/* -------------------- */
/* Functions prototypes */
/* -------------------- */
void writeString(char* sString, int iWhichWindow);
void writeChar(char cTheChar, int iWhichWindow, int iPos);
void writeNum(char cTheNum, int iWhichWindow, int iPos);
void trace(char *sMsg);
int getNewMailsCount(char *sAtomFilePath);
void getAtomFile(void);
void initialize(void);
/* -------------------- */
/* Global variables */
/* -------------------- */
char wmckgmail_mask_bits[64*64]; /* matrix for the XPM */
int wmckgmail_mask_width = 64;
int wmckgmail_mask_height = 64;
char sWorkDir[1024]; /* to store the directory where wmckgmail works */
char sHomeDir[1024]; /* to store the home directory of the user */
char sAtomFile[1024]; /* to store the path to the atom file */
char sConfigFile[1024];/* to store the path of the configuration file */
char sBrowserCmd1[1024];/* to store the command line #1 to launch the browser */
char sBrowserCmd2[1024];/* to store the command line #2 to launch the browser */
char sUname[20]; /* to store the gmail username */
char sPass[20]; /* to store the gmail password */
int iPollInterval; /* to store the poll interval (in seconds) */
time_t lastPoll; /* to store the time of the last incoming mails verification */
Display *display;
int screen_num;
static char *progname;
/* -------------------- */
/* main() */
/* -------------------- */
int main(int argc, char **argv){
XEvent Event;
int but_stat = -1;
int i;
char sMsg[1024]; /* used to create tracing messages */
progname = argv[0];
createXBMfromXPM(wmckgmail_mask_bits, wmckgmail, wmckgmail_mask_width, wmckgmail_mask_height);
openXwindow(argc, argv, wmckgmail, wmckgmail_mask_bits, wmckgmail_mask_width, wmckgmail_mask_height);
/* Define the mouse regions */
AddMouseRegion(BIG_M_, 16, 9, 46, 31);
RedrawWindow();
/* Read config file and initialize variables */
initialize();
/* Do a first verification out of the main loop */
getAtomFile();
getNewMailsCount(sAtomFile);
/* event loop */
while(1){
RedrawWindow();
/* Update every iPollInterval seconds */
if((time(NULL) - lastPoll) >= (time_t) iPollInterval){
getAtomFile();
getNewMailsCount(sAtomFile);
if(DEBUG) system("date\necho \"-----\"");
}
while(XPending(display)){
XNextEvent(display, &Event);
switch(Event.type){
case Expose:
RedrawWindow();
break;
case DestroyNotify:
XCloseDisplay(display);
exit(0);
case ButtonPress:
i = CheckMouseRegion(Event.xbutton.x, Event.xbutton.y);
but_stat = i;
sprintf(sMsg, "button pressed! region index is: %i\n", but_stat); trace(sMsg);
break;
case ButtonRelease:
i = CheckMouseRegion(Event.xbutton.x, Event.xbutton.y);
if(but_stat == i && but_stat >= 0){
sprintf(sMsg, "button released! region index is: %i\n", i); trace(sMsg);
switch(but_stat){
case BIG_M_:
/* action when the big _M_ is pressed */
/*system("mozilla -remote \"openURL(http://www.gmail.com)\"");*/
trace("\nClicked the big M ! Verifying if there is an action to do...\n");
if(strcmp(sBrowserCmd1, "")){
trace("'browsercmd1' has been defined, trying the command...\n");
if(system(sBrowserCmd1)){
trace("Command failed.\n");
if(strcmp(sBrowserCmd2, "")){
trace("'browsercmd2 has been defined, trying the command...\n");
system(sBrowserCmd2);
}
} else {
trace("Command succed (returned 0)\n");
}
} else {
trace("No browsercmd1 nor browsercmd2 defined, nothing to do.\n");
}
trace("\n");
break;;
case 1:
/* action for region 1 */
break;;
}
}
but_stat = -1;
break;
}
}
usleep(100000);
}
}
/* ----------------------------------------------------------------- */
/* Function : writeString */
/* Usage : Write a string in a specific window */
/* */
/* Arguments: sString -> The string to write */
/* iWhichWindow -> The window to write to */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void writeString(char* sString, int iWhichWindow){
int i;
/* loop to process each character of the string and call the right */
/* function according if the character is alphabetical or numerical */
for(i = 0; i < strlen(sString); i++){
if(sString[i] >= '0' && sString[i] <= '9'){
writeNum(sString[i], iWhichWindow, i);
} else {
writeChar(sString[i], iWhichWindow, i);
}
}
}
/* ----------------------------------------------------------------- */
/* Function : writeChar */
/* Usage : Write a character in a specific window at a specific */
/* position */
/* */
/* Arguments: cTheChar -> Character to write */
/* iWhichWindow -> The window to write to */
/* iPos -> The position of the character */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void writeChar(char cTheChar, int iWhichWindow, int iPos){
int iLetterIdx; /* The alphebetical index of the letter (A=0, B=1, ...) */
int iSrcX; /* The X coordinate in the XPM of the letter to copy */
int iSrcY; /* The Y coordinate in the XPM of the letter to copy */
int iDestX; /* The X coordinate in the XPM where we want to copy the letter */
int iDestY; /* The Y coordinate in the XPM where we want to copy the letter */
int iWidth; /* The width of each letter in the XPM */
int iHeight; /* The height of each letter in the XPM */
int iMaxPos; /* The maximum value for the position of the letter to write */
/* Set the variables according to the window in which we want to print a letter */
if(iWhichWindow == COUNTERWINDOW){
iSrcX = 1;
iSrcY = 64;
iDestX = 23;
iDestY = 39;
iWidth = 6;
iHeight = 9;
iMaxPos = 2;
} else {
return;
}
/* If trying to write pass the iMaxPos position, exit the function */
if(iPos > iMaxPos){
return;
}
/* Clear the actual position in case of something is already there */
copyXPMArea((iSrcX + (26 * iWidth)), iSrcY, iWidth, iHeight, (iDestX + (iPos * iWidth)), iDestY);
/* Get the index of the letter we want to print */
iLetterIdx = (toupper(cTheChar) - 'A');
/* If the index is NOT between 0 and 25, exit the function */
/* Using an invalid character is also the way to "erase" a letter */
if(iLetterIdx < 0 || iLetterIdx > 25){
return;
}
/* Let's write this letter at the right place! */
copyXPMArea((iSrcX + (iLetterIdx * iWidth)), iSrcY, iWidth, iHeight, (iDestX + (iPos * iWidth)), iDestY);
}
/* ----------------------------------------------------------------- */
/* Function : writeNum */
/* Usage : Write a number in a specific window at a specific */
/* position */
/* */
/* Arguments: cTheNum -> Number to write */
/* iWhichWindow -> The window to write to */
/* iPos -> The position of the number */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void writeNum(char cTheNum, int iWhichWindow, int iPos){
int iNumberIdx; /* The numerical index of the number */
int iSrcX; /* The X coordinate in the XPM of the number to copy */
int iSrcY; /* The Y coordinate in the XPM of the number to copy */
int iDestX; /* The X coordinate in the XPM where we want to copy the number */
int iDestY; /* The Y coordinate in the XPM where we want to copy the number */
int iWidth; /* The width of each number in the XPM */
int iHeight; /* The height of each number in the XPM */
int iMaxPos; /* The maximum value for the position of the number to write */
/* Set the variables according to the window in which we want to print a number */
if(iWhichWindow == COUNTERWINDOW){
iSrcX = 1;
iSrcY = 76;
iDestX = 23;
iDestY = 39;
iWidth = 6;
iHeight = 9;
iMaxPos = 9;
} else {
return;
}
/* If trying to write pass the iMaxPos position, exit the function */
if(iPos > iMaxPos){
return;
}
/* Clear the actual position in case of something is already there */
copyXPMArea((iSrcX + (10 * iWidth)), iSrcY, iWidth, iHeight, (iDestX + (iPos * iWidth)), iDestY);
/* Get the index of the number we want to print */
iNumberIdx = (cTheNum - '0');
/* If the index is NOT between 0 and 9, exit the function */
/* Using an invalid character is also a way to "erase" a number */
if(iNumberIdx < 0 || iNumberIdx > 9){
return;
}
/* Let's write this letter at the right place! */
copyXPMArea((iSrcX + (iNumberIdx * iWidth)), iSrcY, iWidth, iHeight, (iDestX + (iPos * iWidth)), iDestY);
}
/* ----------------------------------------------------------------- */
/* Function : trace */
/* Usage : Output traces to stdout if the DEBUG #define is not */
/* NULL. */
/* */
/* Arguments: sMsg -> The message to output */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void trace(char *sMsg){
if(DEBUG){
printf("%s", sMsg);
}
}
/* ----------------------------------------------------------------- */
/* Function : getNewMailsCount */
/* Usage : Read the number of new mails from the atom file */
/* */
/* Arguments: sAtomFilePath -> Path to the atom file */
/* */
/* Returns : Number of new mails */
/* ----------------------------------------------------------------- */
int getNewMailsCount(char *sAtomFilePath){
FILE* fAtomFile; /* The file pointer to the atom file */
int fdAtomFile; /* The file descriptor of the atom file */
int iNewMails = 0; /* Return the number of new mails through this var */
char sNewMails[5]; /* To contain the string version of the number of new mails */
int iLength; /* used for the length of the strinc containing the new mails count */
struct stat statBuffer; /* Struct to contain the infos about the atom file */
char* sAtomBuffer = NULL; /* buffer that will contain the content of the atom file */
char* sAtomBufferPtr1 = NULL; /* pointer used to parse the atom buffer */
char* sAtomBufferPtr2 = NULL; /* pointer used to parse the atom buffer */
char sMsg[1024]; /* buffer used to write trace messages */
/* try to open the atom file */
sprintf(sMsg, "Atom file path: %s\n", sAtomFilePath); trace(sMsg);
fAtomFile = fopen(sAtomFilePath, "r");
if (fAtomFile == NULL){
/* unable to open atom file, put "ERR: in the new mesages counter window */
trace("Error opening atom file.\n");
iNewMails = -1;
writeString("ERR", COUNTERWINDOW);
} else {
/* atom file opened!Get its size */
stat(sAtomFilePath, &statBuffer);
fdAtomFile = fileno(fAtomFile);
sprintf(sMsg, "Atom file size : %i\n", (int) statBuffer.st_size); trace(sMsg);
/* allocate memory for a buffer the size of the atom file */
sAtomBuffer = malloc(((size_t) statBuffer.st_size) + 1);
/* read the content of the atom file and terminate the string in the buffer */
read(fdAtomFile, sAtomBuffer, (size_t) statBuffer.st_size);
sAtomBuffer[((int) statBuffer.st_size)] = '\0';
/* find the <fullcount> and </fullcount> tags in the buffer then isolate the middle string */
sAtomBufferPtr1 = strstr(sAtomBuffer, "<fullcount>");
sAtomBufferPtr2 = strstr(sAtomBuffer, "</fullcount>");
iLength = (sAtomBufferPtr2 - (sAtomBufferPtr1 + 11));
strncpy(sNewMails, sAtomBufferPtr1 + 11, iLength);
sNewMails[iLength] = '\0';
sprintf(sMsg, "New mails count : %s\n", sNewMails); trace(sMsg);
/* for the return value... not really used but who knows the future... :P */
iNewMails = atoi(sNewMails);
/* If new mails counter == 0 -> grey the icon, else put it back in red */
if(iNewMails == 0){
copyXPMArea(74, 7, 31, 23, 16, 9);
} else {
copyXPMArea(74, 33, 31, 23, 16, 9);
}
/* re-create the sNewMails string putting the required '0' at the beginning */
sprintf(sNewMails, "%03i\n", iNewMails);
/* Update the counter */
writeString(sNewMails, COUNTERWINDOW);
/* close the atom file */
fclose(fAtomFile);
/* release the memory allocated for the atom file */
free(sAtomBuffer);
}
return(iNewMails);
}
/* ----------------------------------------------------------------- */
/* Function : getAtomFile */
/* Usage : use wget to grab the atom file from gmail server */
/* */
/* Arguments: None */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void getAtomFile(void){
char sWgetRcFile[1024]; /* to contain the path of the .wgetrc file */
FILE *fWgetRcFile; /* pointer to the .wgetrc file */
int iWgetRcFd; /* to contain the file descriptor of the .wgetrc file */
int iWgetRC; /* the return code of the wget command */
int iRcFileExists = 0; /* flag to know if there was an exising .wgetrc file */
struct stat statBuf; /* the buffer for the call of the stat command */
char sBuff[1024]; /* buffer */
char sMsg[1024]; /* used for tracing messages purpose */
/* set the lastPoll value to the current time */
lastPoll = time(NULL);
/* test if there is already a .wgetrc file. If so, move it temporarily */
sprintf(sWgetRcFile, "%s/.wgetrc", sHomeDir);
sprintf(sMsg, ".wgetrc file path : %s\n", sWgetRcFile); trace(sMsg);
if(!stat(sWgetRcFile, &statBuf)){
/* if stat returned 0, the file exists, process to the move */
iRcFileExists = 1;
trace("The .wgetrc file exists, move it temporarily\n");
sprintf(sBuff, "%s/.wgetrc", sWorkDir);
rename(sWgetRcFile, sBuff);
} else {
trace("No .wgetrc file found, good thing! :P\n");
}
/* open the .wgetrc file for writing */
fWgetRcFile = fopen(sWgetRcFile, "w");
if(fWgetRcFile != NULL){
iWgetRcFd = fileno(fWgetRcFile);
/* write its required content (gmail username and password) then close it */
sprintf(sBuff, "--user=%s\n--password=%s\n", sUname, sPass);
write(iWgetRcFd, sBuff, strlen(sBuff));
fclose(fWgetRcFile);
/* prepare the WGET call (supress output when not in debugging mode) */
if(DEBUG){
sprintf(sBuff,
"wget --no-check-certificate https://mail.google.com/mail/feed/atom -O %s/atom",
sWorkDir);
} else {
sprintf(sBuff,
"wget -q --no-check-certificate https://mail.google.com/mail/feed/atom -O %s/atom",
sWorkDir);
}
/* call wget */
iWgetRC = system(sBuff);
/* if the command returns a non-zero integer, something failed, delete the atom file */
if(iWgetRC != 0){
remove(sAtomFile);
}
/* erase the .wgetrc file */
remove(sWgetRcFile);
/* If we backed-up an existing .wgetrc file, bring it back */
if(iRcFileExists){
trace("Brining back original .wgetrc file\n");
sprintf(sBuff, "%s/.wgetrc", sWorkDir);
rename(sBuff, sWgetRcFile);
}
} else {
trace("Unable to open .wgetrc file for writing\n");
}
/* system("cp /tmp/atom /home/sig/.wmckgmail/atom"); */
}
/* ----------------------------------------------------------------- */
/* Function : initialize */
/* Usage : Read the config file, initialize global variables, ... */
/* */
/* Arguments: None */
/* */
/* Returns : Nothing */
/* ----------------------------------------------------------------- */
void initialize(void){
char sMsg[1024]; /* buffer used for tracing purposes */
FILE *fCfgFile; /* File pointer to the config file */
size_t len = 0; /* used by the getline function */
char *sBuff; /* buffer used by the getline function */
int iGetLineRes; /* to get the result code of the getline function */
char sAttr[20]; /* to contain attributes names read in the config file */
char sVal[256]; /* to contain attributes values read in the config file */
char sPollInterval[5]; /* where we keep the poll interval in string form */
trace("----- Initializing application -----\n");
/* Get the home directory of the user */
strcpy(sHomeDir, getenv("HOME"));
sprintf(sMsg, "User home directory : %s\n", sHomeDir); trace(sMsg);
/* Set the working directory */
sprintf(sWorkDir, "%s/.wmckgmail", sHomeDir);
sprintf(sMsg, "Working directory : %s\n", sWorkDir); trace(sMsg);
/* Set the path of the atom file */
sprintf(sAtomFile, "%s/atom", sWorkDir);
sprintf(sMsg, "Atom file path : %s\n", sAtomFile); trace(sMsg);
/* Set the path of the config file */
sprintf(sConfigFile, "%s/config", sWorkDir);
sprintf(sMsg, "Config file path : %s\n", sConfigFile); trace(sMsg);
/* try to open the config file */
fCfgFile = fopen(sConfigFile, "r");
if(fCfgFile == NULL){
/* config file not found, abort the program */
sprintf(sMsg, "** ERROR ** Cannot open config file : \"%s\"\n Program aborted.", sConfigFile);
printf("\n%s\n\n", sMsg);
exit(1);
} else {
/* ok, let's now read the config file and set the attributes read from it */
trace("\nReading config file :\n");
iGetLineRes = getline(&sBuff, &len, fCfgFile);
while(iGetLineRes != EOF){
sprintf(sMsg, " _____\n Read line : %s", sBuff); trace(sMsg);
sscanf(sBuff, "%s %s", sAttr, sVal);
sprintf(sMsg, " Attribute : %s\n Value : %s\n", sAttr, sVal); trace(sMsg);
if(!strcmp(sAttr, "uname")){
strcpy(sUname, sVal);
trace(" * Got username!\n");
} else if(!strcmp(sAttr, "pass")){
strcpy(sPass, sVal);
trace(" * Got password!\n");
} else if(!strcmp(sAttr, "pollinterval")){
trace(" * Got poll interval!\n");
iPollInterval = atoi(sVal);
if(iPollInterval < 1 || iPollInterval > 6000) {
trace(" - Warning - Value not understood, setting to 60 seconds\n");
iPollInterval = 300;
} else {
strcpy(sPollInterval, sVal);
}
} else if(!strcmp(sAttr, "browsercmd1")){
char* ptr = NULL;
/* use sBuff because sAttr is not the full line */
sprintf(sMsg, " Full line : %s", (sBuff + (strlen(sAttr)) + 1)); trace(sMsg);
trace(" * Got browser launch command #1 !\n");
trace("\n Searching for the $@ string in the line\n");
if((ptr = strchr(sBuff, (int) '$')) != NULL){
trace(" Found '$' ! Now verifying if followed by '@'\n");
/* found '$', verify if followed by '@' (to instruct to replace $@ by gmail url)*/
if((ptr + 1)[0] == '@'){
/*system("mozilla -remote \"openURL(http://www.gmail.com)\"");*/
trace(" Found '@' ! let's replace it by http://www.gmail.com\n");
strncpy(sBrowserCmd1, (sBuff + (strlen(sAttr) + 1)),
((ptr - 1) - (sBuff + strlen(sAttr))));
sBrowserCmd1[ptr - sBuff] = '\0';
sprintf(sBrowserCmd1, "%s%s%s", sBrowserCmd1, "http://www.gmail.com",
sBuff + strlen(sBrowserCmd1) + strlen(sAttr) + 3);
} else {
strcpy(sBrowserCmd1, ptr);
}
} else {
strcpy(sBrowserCmd1, (sBuff + (strlen(sAttr) + 1)));
}
sprintf(sMsg, " Browser Command #1 is : %s\n", sBrowserCmd1); trace(sMsg);
} else if(!strcmp(sAttr, "browsercmd2")){
char* ptr = NULL;
/* use sBuff because sAttr is not the full line */
sprintf(sMsg, " Full line : %s", (sBuff + (strlen(sAttr)) + 1)); trace(sMsg);
trace(" * Got browser launch command #2 !\n");
trace("\n Searching for the $@ string in the line\n");
if((ptr = strchr(sBuff, (int) '$')) != NULL){
trace(" Found '$' ! Now verifying if followed by '@'\n");
/* found '$', verify if followed by '@' (to instruct to replace $@ by gmail url)*/
if((ptr + 1)[0] == '@'){
/*system("mozilla -remote \"openURL(http://www.gmail.com)\"");*/
trace(" Found '@' ! let's replace it by http://www.gmail.com\n");
strncpy(sBrowserCmd2, (sBuff + (strlen(sAttr) + 1)),
((ptr - 1) - (sBuff + strlen(sAttr))));
sBrowserCmd2[ptr - sBuff] = '\0';
sprintf(sBrowserCmd2, "%s%s%s", sBrowserCmd2, "http://www.gmail.com",
sBuff + strlen(sBrowserCmd2) + strlen(sAttr) + 3);
} else {
strcpy(sBrowserCmd2, ptr);
}
} else {
strcpy(sBrowserCmd2, (sBuff + (strlen(sAttr) + 1)));
}
sprintf(sMsg, " Browser Command #2 is : %s\n", sBrowserCmd2); trace(sMsg);
} else {
trace(" ** Warning ** Line not understood, skipped.\n");
}
iGetLineRes = getline(&sBuff, &len, fCfgFile);
}
trace("\n");
/* Verify that we got all the required parameters from the config file */
trace("Validating config file parameters\n\n");
if(!strcmp(sUname, "")){
printf(" ** ERROR ** Username not found in config file.\n Program aborted.\n");
exit(2);
}
if(!strcmp(sPass, "")){
printf(" ** ERROR ** Password not found in config file.\n Program aborted.\n");
exit(3);
}
if(!strcmp(sPollInterval, "")){
printf(" ** Warning ** Poll interval not defined, setting to 5 minutes.\n\n");
iPollInterval = 300;
}
/* release getline buffer memory */
free(sBuff);
}
trace("----- Initialization completed -----\n");
}
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