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shortcut.c
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#include<stdio.h>
#include<string.h> // string functions (str***())
#include<stdlib.h> // malloc(), realloc(), system()
#include<stdbool.h> // true, false
#include<ctype.h> // toupper()
#include <fcntl.h> // open()
#include<unistd.h> // read(), write()
#include<linux/input.h> // for struct input_event
#include<termios.h> // tcgetattr(), tcsetattr(), tcflush(), struct termios
#define MAX_KEYSCOMBO 8 // Maximum number of keys pressed in combination at once
#define MAX_CODE 3 // Maximum number of characters for a code in decimal
#define MAX_KEY 32 // Maximum number of characters for a key in text format
#define TASK_SIZE 285 // Maximum number of characters for a task array
#define MAX_PATH 256 // Maximum number of characters for file name
struct Keys
{
unsigned char *kCodes; // Array of binary representation of the key
unsigned char kSize; // Size of the array
bool kComboFlag; // Keys combination flag status
};
const char CHUNCK = sizeof(struct input_event);
struct Keys *KeysInfo = NULL;
struct input_event *pEvent = NULL;
char *SCExist = NULL;
char **pKeys = NULL; // hold text and numeric representation of keys combination
char task[TASK_SIZE];
char key[MAX_KEY];
char choice = 'Y';
int KBfd = 0;
// Get keys combination in binary form to kCodes array
void keys_combo(struct input_event *pEvent, struct Keys *KeysInfo);
// Translate binary key code its text form
void key_identity(int code, char* key);
// Generate text and binary
char **str_keys(struct Keys *KeysInfo);
// Save keys combination with its task
void save_2_file(struct Keys *KeyCodes, char *task);
// Lock/Unlock terminal reading from keyboard
void terminal_input(bool inputStatus);
// Search shortcut in file
char *search_combo(struct Keys *KeyCodes);
// Edit task of existing shortcut from file
void edit_sc_file(struct Keys *KeysInfo);
// Remove shortcut from file
void remove_sc_file(struct Keys *KeysInfo);
// Warpper function for realloc()
void *realloc_mem(void* mem,size_t size, const char* varName);
// Message to enter keys combination
void input_message(void);
// Discard keys stored in keyboard file buffer
void flush_KB(void);
// choose an option
int options(void);
// List all shortcuts stored in file
void list_sc(void);
// Add new shortcut
void add_sc(void);
// Edit exist shortcut in the file
void edit_sc(void);
// Remove shortcut
void remove_sc(void);
// Find the event file associated with the device
char *find_device(char *deviceName);
int find_event_num(char* deviceName); // helper function
int main(int argc, char *argv[])
{
if((KBfd = open(find_device("Keyboard"), O_RDONLY)) == -1)
{
fprintf(stderr, "Couldn't open Keyboard event file \"%s\" for reading.\n", argv[1]);
printf("Usage: sudo %s\n", argv[0]);
return -1;
}
for(;;)
{
choice = options();
if(choice == 1)
list_sc();
else if(choice == 2)
add_sc();
else if(choice == 3)
edit_sc();
else if(choice == 4)
remove_sc();
else
break;
}
printf("\e[1;1H\e[2J"); // clear the screen
close(KBfd);
if(isdigit(choice))
{
free(pKeys[0]);
free(pKeys[1]);
free(pKeys);
}
return 0;
}
void keys_combo(struct input_event *pEvent, struct Keys *KeysInfo)
{
static unsigned char counter = 0;
static unsigned char lastCode = 0xff; // Default value
static bool keyCombo = false;
static bool comboBreak = true; // Break the rest of the keys to printed after the first key relasesd
if(pEvent->type == 1)
switch(pEvent->value)
{
case 0:
KeysInfo->kSize = counter;
if(counter < 2 || !comboBreak)
{
KeysInfo->kComboFlag = false;
input_message();
}
else
KeysInfo->kComboFlag = true;
lastCode = pEvent->code;
comboBreak = false;
counter = 0;
break;
case 1:
KeysInfo->kCodes[counter++] = pEvent->code;
KeysInfo->kSize = counter;
KeysInfo->kComboFlag = false;
comboBreak = true;
break;
}
else
KeysInfo->kComboFlag = false;
}
void key_identity(int code, char *key)
{
switch(code)
{
case 1 : strcpy(key, "ESC"); break;
case 59 : strcpy(key, "F1"); break;
case 60 : strcpy(key, "F2"); break;
case 61 : strcpy(key, "F3"); break;
case 62 : strcpy(key, "F4"); break;
case 63 : strcpy(key, "F5"); break;
case 64 : strcpy(key, "F6"); break;
case 65 : strcpy(key, "F7"); break;
case 66 : strcpy(key, "F8"); break;
case 67 : strcpy(key, "F9"); break;
case 68 : strcpy(key, "F10"); break;
case 70 : strcpy(key, "ScrollLock"); break;
case 87 : strcpy(key, "F11"); break;
case 88 : strcpy(key, "F12"); break;
case 110: strcpy(key, "INS"); break;
case 111: strcpy(key, "DEL"); break;
case 102: strcpy(key, "HOME"); break;
case 107: strcpy(key, "END"); break;
case 104: strcpy(key, "PGUP"); break;
case 109: strcpy(key, "PGDN"); break;
case 114: strcpy(key, "VolumeDown"); break;
case 115: strcpy(key, "VolumeUp"); break;
case 41 : strcpy(key, "`"); break;
case 2 : strcpy(key, "1"); break;
case 3 : strcpy(key, "2"); break;
case 4 : strcpy(key, "3"); break;
case 5 : strcpy(key, "4"); break;
case 6 : strcpy(key, "5"); break;
case 7 : strcpy(key, "6"); break;
case 8 : strcpy(key, "7"); break;
case 9 : strcpy(key, "8"); break;
case 10 : strcpy(key, "9"); break;
case 11 : strcpy(key, "0"); break;
case 12 : strcpy(key, "-"); break;
case 13 : strcpy(key, "="); break;
case 14 : strcpy(key, "BACKSPACE"); break;
case 69 : strcpy(key, "NUMLOCK"); break;
case 98 : strcpy(key, "/(KEYPAD)"); break;
case 99 : strcpy(key, "SYSRQ/PRTSC"); break;
case 119: strcpy(key, "BREAK/PAUSE"); break;
case 55 : strcpy(key, "*(KEYPAD)"); break;
case 74 : strcpy(key, "-(KEYPAD)"); break;
case 15 : strcpy(key, "TAB"); break;
case 16 : strcpy(key, "Q"); break;
case 17 : strcpy(key, "W"); break;
case 18 : strcpy(key, "E"); break;
case 19 : strcpy(key, "R"); break;
case 20 : strcpy(key, "T"); break;
case 21 : strcpy(key, "Y"); break;
case 22 : strcpy(key, "U"); break;
case 23 : strcpy(key, "I"); break;
case 24 : strcpy(key, "O"); break;
case 25 : strcpy(key, "P"); break;
case 26 : strcpy(key, "["); break;
case 27 : strcpy(key, "]"); break;
case 28 : strcpy(key, "ENTER"); break;
case 58 : strcpy(key, "CAPSLOCK"); break;
case 30 : strcpy(key, "A"); break;
case 31 : strcpy(key, "S"); break;
case 32 : strcpy(key, "D"); break;
case 33 : strcpy(key, "F"); break;
case 34 : strcpy(key, "G"); break;
case 35 : strcpy(key, "H"); break;
case 36 : strcpy(key, "J"); break;
case 37 : strcpy(key, "K"); break;
case 38 : strcpy(key, "L"); break;
case 39 : strcpy(key, ";"); break;
case 40 : strcpy(key, "'"); break;
case 43 : strcpy(key, "\\"); break;
case 42 : strcpy(key, "LeftSHIFT"); break;
case 86 : strcpy(key, "<"); break;
case 44 : strcpy(key, "Z"); break;
case 45 : strcpy(key, "X"); break;
case 46 : strcpy(key, "C"); break;
case 47 : strcpy(key, "V"); break;
case 48 : strcpy(key, "B"); break;
case 49 : strcpy(key, "N"); break;
case 50 : strcpy(key, "M"); break;
case 51 : strcpy(key, ",(COMMA)"); break;
case 52 : strcpy(key, ".(DOT)"); break;
case 53 : strcpy(key, "/"); break;
case 54 : strcpy(key, "RightSHIFT"); break;
case 29 : strcpy(key, "LeftCTRL"); break;
case 125: strcpy(key, "ApplicationLauncher"); break;
case 56 : strcpy(key, "LeftALT"); break;
case 57 : strcpy(key, "SPACE"); break;
case 100: strcpy(key, "RightALT"); break;
case 127: strcpy(key, "RightClickMouseKey"); break;
case 97 : strcpy(key, "RightCTRL"); break;
case 105: strcpy(key, "LEFT"); break;
case 103: strcpy(key, "UP"); break;
case 108: strcpy(key, "DOWN"); break;
case 106: strcpy(key, "RIGHT"); break;
case 82 : strcpy(key, "0(KEYPAD)"); break;
case 79 : strcpy(key, "1(KEYPAD)"); break;
case 80 : strcpy(key, "2(KEYPAD)"); break;
case 81 : strcpy(key, "3(KEYPAD)"); break;
case 75 : strcpy(key, "4(KEYPAD)"); break;
case 76 : strcpy(key, "5(KEYPAD)"); break;
case 77 : strcpy(key, "6(KEYPAD)"); break;
case 71 : strcpy(key, "7(KEYPAD)"); break;
case 72 : strcpy(key, "8(KEYPAD)"); break;
case 73 : strcpy(key, "9(KEYPAD)"); break;
case 83 : strcpy(key, ".(DOT)(KEYPAD)"); break;
case 96 : strcpy(key, "ENTER(KEYPAD)"); break;
case 78 : strcpy(key, "+(KEYPAD)"); break;
default : strcpy(key, "UNKOWN"); break;
}
}
char **str_keys(struct Keys *KeyCodes)
{
char pKey[MAX_KEY];
char pCode[MAX_CODE];
char **pKeys = malloc(2*sizeof(char *));
if(!pKeys)
{
fprintf(stderr, "Couldn't allocate memory for pKeys.\n");
exit(-2);
}
char *pKeysCombo = NULL;
char *pCodesCombo = NULL;
char *pTmp = NULL;
size_t length = 0,
len = 0;
key_identity(KeyCodes->kCodes[0], pKey);
length = strnlen(pKey, MAX_KEY) + 2; // +2 for '+' and '\0'
pKeysCombo = malloc(length);
snprintf(pCode, MAX_CODE, "%d", KeyCodes->kCodes[0]);
len = strnlen(pCode, MAX_CODE) + 2; // +2 for '+' and '\0'
pCodesCombo = malloc(len);
if(!pKeysCombo || !pCodesCombo)
{
fprintf(stderr, "failed to allocate memory for pKeysCombo or pCodesCombo or both\n");
exit(-1);
}
snprintf(pKeysCombo, MAX_KEY + 1, "%s+", pKey);
snprintf(pCodesCombo, MAX_CODE + 1, "%s+", pCode);
for(size_t i = 1 ; i < KeyCodes->kSize ; ++i)
{
key_identity(KeyCodes->kCodes[i], pKey);
snprintf(pCode, MAX_CODE, "%d", KeyCodes->kCodes[i]);
length += strnlen(pKey, MAX_KEY) + 1; // +1 for '+'
len += strnlen(pCode, MAX_CODE) + 1; // +1 for '+'
pTmp = realloc(pKeysCombo, length);
if(!pTmp)
{
free(pKeysCombo);
fprintf(stderr, "Failed to reallocate memory for pKeysCombo.\n");
exit(-2);
}
pKeysCombo = pTmp;
pTmp = realloc(pCodesCombo, len);
if(!pTmp)
{
free(pCodesCombo);
fprintf(stderr, "Failed to reallocate memory for pCodesCombo.\n");
exit(-2);
}
pCodesCombo = pTmp;
strncat(pKeysCombo, pKey, MAX_KEY);
strncat(pCodesCombo, pCode, MAX_CODE);
strcat(pKeysCombo, "+");
strcat(pCodesCombo, "+");
}
pKeysCombo[length - 2] = '\0'; // Remove the last '+'
pCodesCombo[len - 2] = '\0'; // Remove the last '+'
pKeys[0] = pCodesCombo;
pKeys[1] = pKeysCombo;
return pKeys;
}
void save_2_file(struct Keys *KeyCodes, char *task)
{
FILE *pSaveFile = fopen("KEYSTASKS.sc", "ab");
if(!pSaveFile)
{
fprintf(stderr, "Couldn't open kEYSTASKS.sc for writing.\n");
exit(-1);
}
int alLength = 2*sizeof(char) + KeyCodes->kSize + strlen(task);
unsigned char buf[alLength];
unsigned char taskLen = strlen(task);
unsigned char fwLen = 0;
buf[0] = '\0';
strncat(buf, &KeyCodes->kSize, 1);
strncat(buf, KeyCodes->kCodes, KeyCodes->kSize);
strncat(buf, &taskLen, 1);
strncat(buf, task, taskLen);
fwLen = fwrite(buf, sizeof(char), alLength, pSaveFile);
if(fwLen == alLength)
printf("Saved successfully\n");
else
{
fprintf(stderr, "ERROR : keys combination and the task not fully written to the file (written %d byted out of %d).\n", fwLen, alLength);
exit(-1);
}
fclose(pSaveFile);
}
void terminal_input(bool inputStatus)
{
struct termios attr;
tcgetattr(0, &attr);
if(inputStatus)
{
tcflush(0, TCIFLUSH);
attr.c_lflag |= ECHO;
}
else
attr.c_lflag &= ~ECHO;
tcsetattr(0, TCSANOW, &attr);
}
char *search_combo(struct Keys *KeyCodes)
{
FILE *pKeysTasksFile = fopen("KEYSTASKS.sc", "r");
if(!pKeysTasksFile)
{
pKeysTasksFile = fopen("KEYSTASKS.sc", "w");
fclose(pKeysTasksFile);
if(!pKeysTasksFile)
{
fprintf(stderr, "Couldn't create KEYSTASKS.sc file.\n");
exit(-1);
}
pKeysTasksFile = fopen("KEYSTASKS.sc", "r");
if(!pKeysTasksFile)
{
fprintf(stderr, "Couldn't open KEYSTASKS.sc for reading.\n");
exit(-1);
}
}
char codesBuf[MAX_KEYSCOMBO];
char *taskBuf = NULL;
char task[TASK_SIZE];
unsigned char length = 0;
bool bingo = false;
for(; !feof(pKeysTasksFile) ;)
{
fread(&length, sizeof(char), 1, pKeysTasksFile);
if(length == KeyCodes->kSize)
{
fread(codesBuf, sizeof(char), length, pKeysTasksFile);
if(!(strncmp(codesBuf, KeyCodes->kCodes, length)))
bingo = true; // Bingo !! .. found it
}
else
fread(codesBuf, sizeof(char), length, pKeysTasksFile);
fread(&length, sizeof(char), 1, pKeysTasksFile);
if(bingo)
{
if(!(taskBuf = malloc(length + 1) ))
{
fprintf(stderr, "Couldn't allocate memory for taskBuf.\n");
exit(-1);
}
fread(taskBuf, sizeof(char), length, pKeysTasksFile);
taskBuf[length] = '\0';
break;
}
fread(task, sizeof(char), length, pKeysTasksFile);
}
fclose(pKeysTasksFile);
return taskBuf;
}
void edit_sc_file(struct Keys *KeyCodes)
{
unsigned long long counter = 0;
FILE *pKeysTasksFile = fopen("KEYSTASKS.sc", "r");
FILE *pTmpFile = fopen("KEYSTASKSTMP.sc", "w");
if(!pKeysTasksFile || !pTmpFile)
{
fprintf(stderr, "Couldn't open KEYSTASKS.sc for reading or KEYSTASKSTMP.sc for writing\n");
exit(-1);
}
char newTask[TASK_SIZE];
char codesBuf[MAX_KEYSCOMBO];
char taskBuf[TASK_SIZE];
char *tmpFileBuf = NULL;
unsigned char length = 0;
size_t alLength = 0;
bool bingo = false;
unsigned char newTaskLen = 0;
if(!(tmpFileBuf = malloc(1)))
{
fprintf(stderr, "Couldn't allocate memory for tmpFileBuf.\n");
exit(-1);
}
printf("Enter the new task (less than %d charcters) : ", TASK_SIZE - 29);
fgets(newTask, TASK_SIZE, stdin);
newTask[strnlen(newTask, TASK_SIZE)] = '\0'; // Remove '\n' character
// strcat(newTask, " 1> /dev/null 2> /dev/null &"); // run the task as background process to not block next shortcut...
// ...and redirect all output to null file
printf("save changes to file (Y/N)? ");
scanf("%c", &choice);
getchar();
if(toupper(choice) != 'Y')
return;
newTaskLen = strnlen(newTask, TASK_SIZE) - 1;
tmpFileBuf[0] = '\0';
for(; !(feof(pKeysTasksFile)) ; )
{
fread(&length, sizeof(char), 1, pKeysTasksFile); // number of codes array
fread(codesBuf, sizeof(char), length, pKeysTasksFile);
alLength += length + 1;
tmpFileBuf = realloc_mem(tmpFileBuf, alLength, "tmpFileBuf");
strncat(tmpFileBuf, &length, 1);
strncat(tmpFileBuf, codesBuf, length);
if(length == KeyCodes->kSize)
{
if(strncmp(codesBuf, KeyCodes->kCodes, length) == 0)
{
alLength += newTaskLen + 1;
tmpFileBuf = realloc_mem(tmpFileBuf, alLength, "tmpFileBuf");
bingo = true; // Bingo !! .. found it
strncat(tmpFileBuf, &newTaskLen, 1);
strncat(tmpFileBuf, newTask, newTaskLen);
}
}
fread(&length, sizeof(char), 1, pKeysTasksFile);
fread(taskBuf, sizeof(char), length, pKeysTasksFile);
if(!bingo)
{
alLength += length + 1;
tmpFileBuf = realloc_mem(tmpFileBuf, alLength, "tmpFileBuf");
strncat(tmpFileBuf, &length, 1);
strncat(tmpFileBuf, taskBuf, length);
}
if(!(feof(pKeysTasksFile)))
fwrite(tmpFileBuf, sizeof(char), alLength, pTmpFile);
tmpFileBuf = realloc_mem(tmpFileBuf, 1, "tmpFileBuf");
tmpFileBuf[0] = '\0';
alLength = 0;
bingo = false;
}
free(tmpFileBuf);
fclose(pKeysTasksFile);
fclose(pTmpFile);
if(remove("KEYSTASKS.sc"))
{
fprintf(stderr, "Couldn't remove the KEYSTASKS.sc file.\n");
exit(-1);
}
if(rename("KEYSTASKSTMP.sc", "KEYSTASKS.sc"))
{
fprintf(stderr, "Couldn't rename KEYSTASKSTMP.sc file to KEYSTASKS.sc.\n");
exit(-1);
}
printf("Shortcuts updated successfully.\n");
}
void remove_sc_file(struct Keys *KeyCodes)
{
FILE *pKeysTasksFile = fopen("KEYSTASKS.sc", "r");
FILE *pTmpFile = fopen("KEYSTASKSTMP.sc", "w");
if(!pKeysTasksFile || !pTmpFile)
{
fprintf(stderr, "Couldn't open KEYSTASKS.sc for reading or KEYSTASKSTMP.sc for writing\n");
exit(-1);
}
char codesBuf[MAX_KEYSCOMBO];
char taskBuf[TASK_SIZE];
unsigned char lengthC = 0, lengthT = 0;
char *tmpFileBuf = NULL;
if(!(tmpFileBuf = malloc(1)))
{
fprintf(stderr, "Couldn't allocate memory for tmpFileBuf.\n");
exit(-1);
}
tmpFileBuf[0] = '\0';
for(; !(feof(pKeysTasksFile)) ;)
{
fread(&lengthC, sizeof(char), 1, pKeysTasksFile); // number of codes array
fread(codesBuf, sizeof(char), lengthC, pKeysTasksFile);
fread(&lengthT, sizeof(char), 1, pKeysTasksFile);
fread(taskBuf, sizeof(char), lengthT, pKeysTasksFile);
if(lengthC == KeyCodes->kSize)
if(strncmp(codesBuf, KeyCodes->kCodes, lengthC) == 0)
continue;
tmpFileBuf = realloc_mem(tmpFileBuf, lengthC + lengthT + 2, "tmpFileBuf");
strncat(tmpFileBuf, &lengthC, 1);
strncat(tmpFileBuf, codesBuf, lengthC);
strncat(tmpFileBuf, &lengthT, 1);
strncat(tmpFileBuf, taskBuf, lengthT);
if(!(feof(pKeysTasksFile)))
{
fwrite(tmpFileBuf, lengthC + lengthT + 2, 1, pTmpFile);
tmpFileBuf[0] = '\0';
}
else
break;
}
fclose(pKeysTasksFile);
fclose(pTmpFile);
if(remove("KEYSTASKS.sc"))
{
fprintf(stderr, "Couldn't remove the KEYSTASKS.sc file.\n");
exit(-1);
}
if(rename("KEYSTASKSTMP.sc", "KEYSTASKS.sc"))
{
fprintf(stderr, "Couldn't rename KEYSTASKSTMP.sc file to KEYSTASKS.sc.\n");
exit(-1);
}
printf("Shortcuts updated successfully.\n");
}
void *realloc_mem(void* mem, size_t size, const char* varName)
{
void* pTmp = realloc(mem, size);
if(!pTmp)
{
fprintf(stderr, "Couldn't reallocate memory for %s.\n", varName);
exit(-1);
}
return pTmp;
}
void input_message(void)
{
printf("\e[1;1H\e[2J"); // clear the screen
printf("Enter keys combination :\n");
}
// Discard keys stored in keyboard file buffer
void flush_KB(void)
{
FILE *pfile = NULL;
char buf[MAX_PATH];
close(KBfd);
pfile = popen("echo \"/dev/input/by-path/\"$(ls /dev/input/by-path | grep kbd)", "r");
fgets(buf, MAX_PATH, pfile);
pclose(pfile);
buf[strnlen(buf, MAX_PATH) - 1] = '\0';
KBfd = open(buf, O_RDONLY);
if(KBfd == -1)
{
fprintf(stderr, "Couldn't open Keyboard event file \"%s\"for reading.\n", buf);
exit(-1);
}
}
int options(void)
{
char choice = '\0';
printf("\e[1;1H\e[2J"); // clear the screen
printf("\n\n SHORTCUT PROGRAM\n");
printf(" '.'.'.'.'.'.'.'.'.'.\n\n");
printf(" 1- List all shortcuts.\n");
printf(" 2- Add new shortcut.\n");
printf(" 3- Edit exist shortcut.\n");
printf(" 4- Remove Shortcut.\n");
printf(" 5- Exit.\n\n\n");
printf("choose from 1 - 5 : ");
scanf("%hhd", &choice);
getchar();
// Flush unwanted keys combinations
flush_KB();
return choice;
}
void list_sc(void)
{
FILE *pKeysTasksFile = NULL;
char codesBuf[MAX_KEYSCOMBO];
char taskBuf[TASK_SIZE];
unsigned char lengthC = 0, lengthT = 0;
char *tmpFileBuf = NULL;
unsigned int counter = 0;
struct Keys *KeysInfo = NULL;
if(!(pKeysTasksFile = fopen("KEYSTASKS.sc", "r")))
{
printf("\e[1;1H\e[2J"); // clear the screen
printf("\n\n\n THERE IS NO SHORTCUTS !\n");
printf("\n\n\n\n Press Enter ...\n");
getchar();
return;
}
if(!(KeysInfo = malloc(sizeof(struct Keys))))
{
fprintf(stderr, "Couldn't allocate memory for KeysInfo.\n");
exit(-1);
}
if(!pKeysTasksFile)
{
fprintf(stderr, "Couldn't open KEYSTASKS.sc for reading.\n");
exit(-1);
}
printf("\e[1;1H\e[2J"); // clear the screen
printf("\n");
printf(".---.---------------------------------.--------------------------------------------.\n");
printf("|No.| %s | %s |\n", "SHORTCUT", "TASK");
printf("'---'---------------------------------'--------------------------------------------'\n");
for(; !(feof(pKeysTasksFile)) ; )
{
fread(&lengthC, sizeof(char), 1, pKeysTasksFile); // number of codes array
fread(codesBuf, sizeof(char), lengthC, pKeysTasksFile);
fread(&lengthT, sizeof(char), 1, pKeysTasksFile);
fread(taskBuf, sizeof(char), lengthT, pKeysTasksFile);
taskBuf[lengthT] = '\0';
KeysInfo->kCodes = codesBuf;
KeysInfo->kSize = lengthC;
pKeys = str_keys(KeysInfo);
if(!(feof(pKeysTasksFile)))
printf("%3d | %-30s | %s\n", ++counter, pKeys[1], taskBuf);
}
printf("\n\n\n\n Press Enter ...\n");
getchar();
fclose(pKeysTasksFile);
}
void add_sc(void)
{
KeysInfo = malloc(sizeof(struct Keys));
pEvent = malloc(sizeof(CHUNCK));
KeysInfo->kCodes = malloc(MAX_KEYSCOMBO);
do
{
for(;;)
{
terminal_input(false); // Lock terminal reading from keyboard
read(KBfd, pEvent, CHUNCK);
// New key pressed
if(pEvent->type == 1 && pEvent->value == 1)
{
key_identity(pEvent->code, key);
printf("%s+", key);
fflush(stdout); // Force to write it to stdout
}
keys_combo(pEvent, KeysInfo);
if(KeysInfo->kComboFlag)
{
terminal_input(true); // Unlock terminal to read from keyboard
pKeys = str_keys(KeysInfo);
if((SCExist = search_combo(KeysInfo)))
{
printf("\n-------------------------------------\n");
printf("\n\n USED SHORTCUT\n");
printf(" '.'.'.'.'.'.'.'.'.'\n\n");
printf("SHORTCUT : %s\n", pKeys[1]);
printf("TASK : %s\n\n\n", SCExist);
printf("\n\nEnter another shortcut (Y/N)? ");
scanf("%c", &choice);
free(SCExist);
break;
// Flush keys combination left in the input buffer
flush_KB();
}
printf("\n");
printf("Enter the task for the key combination (less than %d characters) : ", TASK_SIZE - 29);
fgets(task, TASK_SIZE, stdin);
task[strnlen(task, TASK_SIZE) - 1] = '\0';
strcat(task, " 1> /dev/null 2> /dev/null &"); // run the task as background process to not block next shortcut...
// ...and redirect all output to null file
printf("\nKeys combinations : %s", pKeys[1]);
printf("\nTask : %s\n", task);
printf("\nSave to the file (Y/N)? ");
scanf("%c", &choice);
getchar();
if(toupper(choice) == 'Y')
save_2_file(KeysInfo, task);
printf("\n\nAdd another shortcut (Y/N)? ");
scanf("%c", &choice);
getchar();
// Flush keys combination left in the input buffer
flush_KB();
break;
}
}
}while(toupper(choice) == 'Y');
free(pEvent);
free(KeysInfo->kCodes);
free(KeysInfo);
}
void edit_sc(void)
{
KeysInfo = malloc(sizeof(struct Keys));
pEvent = malloc(sizeof(CHUNCK));
KeysInfo->kCodes = malloc(MAX_KEYSCOMBO);
do
{
for(;;)
{
terminal_input(false); // Lock terminal reading from keyboard
read(KBfd, pEvent, CHUNCK);
// New key pressed
if(pEvent->type == 1 && pEvent->value == 1)
{
key_identity(pEvent->code, key);
printf("%s+", key);
fflush(stdout); // Force to write it to stdout
}
keys_combo(pEvent, KeysInfo);
if(KeysInfo->kComboFlag)
{
terminal_input(true); // Unlock terminal to read from keyboard
// If shortcut exist
if((SCExist = search_combo(KeysInfo)))
{
printf("\n-------------------------------------\n");
printf("\n\n USED SHORTCUT\n");
printf(" '.'.'.'.'.'.'.'.'.'\n\n");
pKeys = str_keys(KeysInfo);
printf("SHORTCUT : %s\n", pKeys[1]);
printf("TASK : %s\n\n\n", SCExist);
edit_sc_file(KeysInfo);
free(SCExist);
}
else
{
printf("\n-------------------------------------\n");
printf("Shortcut not found !\n");
}
printf("\n\nEdit another shortcut (Y/N)? ");
scanf("%c", &choice);
getchar();
// Flush keys combination left in the input buffer
flush_KB();
break;
}
}
}while(toupper(choice) == 'Y');
free(pEvent);
free(KeysInfo->kCodes);
free(KeysInfo);
}
void remove_sc(void)
{
KeysInfo = malloc(sizeof(struct Keys));
pEvent = malloc(sizeof(CHUNCK));
KeysInfo->kCodes = malloc(MAX_KEYSCOMBO);
do{
for(;;)
{
terminal_input(false); // Lock terminal reading from keyboard
read(KBfd, pEvent, CHUNCK);
// New key pressed
if(pEvent->type == 1 && pEvent->value == 1)
{
key_identity(pEvent->code, key);
printf("%s+", key);
fflush(stdout); // Force to write it to stdout
}
keys_combo(pEvent, KeysInfo);
if(KeysInfo->kComboFlag)
{
terminal_input(true); // Unlock terminal to read from keyboard
if((SCExist = search_combo(KeysInfo)))
{
printf("\n-------------------------------------\n");
printf("\n\n USED SHORTCUT\n");
printf(" '.'.'.'.'.'.'.'.'.'\n\n");
pKeys = str_keys(KeysInfo);
printf("SHORTCUT : %s\n", pKeys[1]);
printf("TASK : %s\n\n\n", SCExist);
printf("Remove this shortcut (Y/N)? ");
scanf("%c", &choice);
if(toupper(choice) == 'Y')
remove_sc_file(KeysInfo);
}
else
{
printf("\n-------------------------------------\n");
printf("Shortcut not found !\n");
}
printf("\n\nRemove another shortcut (Y/N)? ");
scanf("%c", &choice);
getchar();
// Flush keys combination left in the input buffer
flush_KB();
break;
}
}
}while(toupper(choice) == 'Y');
free(pEvent);
free(KeysInfo->kCodes);
free(KeysInfo);
}
int find_event_num(char *deviceName)
{
const unsigned char MAX_DEVICE_NAME = 255;
char buf[MAX_DEVICE_NAME];
char devNameTmp[MAX_DEVICE_NAME];
FILE *pfile = NULL;
char pathB[] = "/sys/class/input/event"; // Path Beginning
char pathE[] = "/device/name"; // Path Ending
int len = strlen(pathB) + 3 + strlen(pathE) + 1; // +3 for event0 to event999
// +1 for '\0'
char *path = NULL; // Full path
if(!(path = malloc(len)))
{
fprintf(stderr, "Couldn't allocate memory for path.\n");
exit(-1);
}
for(int i = 0 ; ; ++i)
{
sprintf(path, "%s%d%s", pathB, i, pathE);
// printf("cheacking \"%s\" ...\n", path);
if(!(pfile = fopen(path, "r")))