diff options
Diffstat (limited to 'task_tracker.c')
| -rw-r--r-- | task_tracker.c | 724 |
1 files changed, 0 insertions, 724 deletions
diff --git a/task_tracker.c b/task_tracker.c deleted file mode 100644 index 02ed8c3..0000000 --- a/task_tracker.c +++ /dev/null @@ -1,724 +0,0 @@ -// Compilation command: -// - release: gcc task_tracker.c -Wall -O2 -m64 -lncurses -o task_tracker.x64 -// - debug : gcc task_tracker.c -Wall -g3 -m64 -lncurses -o task_tracker.x64 - - -#include <assert.h> -#include <errno.h> -#include <inttypes.h> -#include <ncurses.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> - -#define STR_(X) #X // Convert to string. -#define STR(X) STR_(X) // Force argument expansions before converting to string. - -#define MAX_TASK_NAME 127 -#define FIRST_DAY_OF_WEEK 1 // (0-6, Sunday = 0) - -#define LOG_FILE_NAME "log.txt" -#define DB_BIN_PATH_NAME "./database.bin" -#define DB_CSV_PATH_NAME "./database.csv" - - - - -typedef struct { - char name[MAX_TASK_NAME+1]; // Allow space for null termination char. - uint32_t time[7]; - uint8_t state; - uint32_t hash; // TODO Is this an overkill? Maybe decouple from task_t? -} task_t; - - -const char* DB_BIN_FILE_SIGNATURE = "TTBF:1.0"; -const uint8_t DB_BIN_FILE_SIGNATURE_SIZE = sizeof(DB_BIN_FILE_SIGNATURE); -const size_t SIZEOF_TASK_T = sizeof(task_t); -const char* DAYS_OF_WEEK[] = { "sun", "mon", "tue", "wed", "thu", "fri", "sat" }; -const uint8_t DAYS_ON_WEEK = sizeof(DAYS_OF_WEEK)/sizeof(char*); - -task_t* tasks = NULL; -uint32_t tasks_count = 0; -uint32_t tasks_capacity = 0; -uint32_t selected_task = -1; - - -char* replace_char(char* string, char find, char replace){ - char *idx = string; - while((idx = strchr(idx, find)) != NULL) { - *idx = replace; - *idx++; - } - return string; -} - -uint32_t CRC32(const uint8_t data[], size_t data_length) { - - static const uint32_t crc32_table[] = { - 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, - 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, - 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, - 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, - 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, - 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, - 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, - 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, - 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, - 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, - 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, - 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, - 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, - 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, - 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, - 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, - 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, - 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, - 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, - 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, - 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, - 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, - 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, - 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, - 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, - 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, - 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, - 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, - 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, - 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, - 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, - 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, - 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, - 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, - 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, - 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, - 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, - 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, - 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, - 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, - 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, - 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, - 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d - }; - - uint32_t crc32 = 0xFFFFFFFFu; - - for (size_t i = 0; i < data_length; i++) { - const uint32_t lookupIndex = (crc32 ^ data[i]) & 0xff; - crc32 = (crc32 >> 8) ^ crc32_table[lookupIndex]; - } - - // Finalize the CRC-32 value by inverting all the bits - crc32 ^= 0xFFFFFFFFu; - return crc32; -} - -uint32_t hash_string(const char* string) { - size_t data_length = strlen(string); - uint8_t* data = (uint8_t*)string; - return CRC32(data, data_length); -} - -void print_task(const task_t* task) { - printf("name: '%s'\n", task->name); - printf("hash: '%" PRIu32 "'\n", task->hash); - printf("t[0]: '%" PRIu32 "'\n", task->time[0]); - printf("t[1]: '%" PRIu32 "'\n", task->time[1]); - printf("t[2]: '%" PRIu32 "'\n", task->time[2]); - printf("t[3]: '%" PRIu32 "'\n", task->time[3]); - printf("t[4]: '%" PRIu32 "'\n", task->time[4]); - printf("t[5]: '%" PRIu32 "'\n", task->time[5]); - printf("t[6]: '%" PRIu32 "'\n", task->time[6]); -} - -void store_database(const task_t* database, uint32_t number_of_entries, const char* path_name) { - - assert(database != NULL); - assert(path_name != NULL); - - // Open file. - FILE* file = fopen(path_name, "w"); - if (file == NULL) { - fprintf(stderr, "Failed to open database file: %s.\n", strerror(errno)); // TODO Fix message. - return; - } - - fwrite(DB_BIN_FILE_SIGNATURE, sizeof(char), DB_BIN_FILE_SIGNATURE_SIZE, file); - fwrite(&number_of_entries, sizeof(number_of_entries), 1, file); - fwrite(database, SIZEOF_TASK_T, number_of_entries, file); - - fclose(file); -} - -uint32_t load_database(task_t** database, const char* path_name) { - - assert(database != NULL); - assert(path_name != NULL); - - // Open file. - FILE* file = fopen(path_name, "r"); - if (file == NULL) { - fprintf(stderr, "Failed to open database file '%s': %s.\n", path_name, strerror(errno)); // TODO Fix message. - return 0; - } - - // Validate file signature. - char file_signature[DB_BIN_FILE_SIGNATURE_SIZE]; - fread(&file_signature, sizeof(char), DB_BIN_FILE_SIGNATURE_SIZE, file); - if (strncmp(file_signature, DB_BIN_FILE_SIGNATURE, DB_BIN_FILE_SIGNATURE_SIZE) != 0) { - fprintf(stderr, "Invalid file signature.\n"); - return 0; - } - - // Read number of entries. - uint32_t number_of_entries; - fread(&number_of_entries, sizeof(number_of_entries), 1, file); - - // Read database entries. - *database = calloc(number_of_entries, SIZEOF_TASK_T); - fread(*database, SIZEOF_TASK_T, number_of_entries, file); - - // Make sure we are reading all the file. - assert(fgetc(file) == EOF); - - fclose(file); - - return number_of_entries; -} - -void export_database(const task_t* database, uint32_t number_of_entries, const char* path_name) { - - assert(database != NULL); - assert(path_name != NULL); - - FILE* file = fopen(path_name, "w"); - if (file == NULL) { - fprintf(stderr, "Failed to open database file '%s': %s.\n", path_name, strerror(errno)); // TODO Fix message. - return; - } - - fprintf(file, "%s,%s,%s,%s,%s,%s,%s,%s\n", - "task", - DAYS_OF_WEEK[0], - DAYS_OF_WEEK[1], - DAYS_OF_WEEK[2], - DAYS_OF_WEEK[3], - DAYS_OF_WEEK[4], - DAYS_OF_WEEK[5], - DAYS_OF_WEEK[6] - ); - - for (uint32_t idx = 0; idx < number_of_entries; idx++) { - const task_t* task = &database[idx]; - fprintf(file, "%s,%" PRIu32 ",%" PRIu32 ",%" PRIu32 ",%" PRIu32 ",%" PRIu32 ",%" PRIu32 ",%" PRIu32 "\n", - task->name, - task->time[0], - task->time[1], - task->time[2], - task->time[3], - task->time[4], - task->time[5], - task->time[6] - ); - } - - fclose(file); -} - -uint32_t import_database(task_t** database, const char* path_name) { - - assert(database != NULL); - assert(path_name != NULL); - - FILE* file = fopen(path_name, "r"); - if (file == NULL) { - fprintf(stderr, "Failed to open database file '%s': %s.\n", path_name, strerror(errno)); // TODO Fix message. - return 0; - } - - uint32_t number_of_entries = 0; - uint32_t capacity = 0; - task_t task; - int error; - - fscanf(file, "%*[^\n]\n"); // Skip header line. - scan_csv: { - - error = fscanf(file, - "%" STR(MAX_TASK_NAME) "[^,],%" SCNu32 ",%" SCNu32 ",%" SCNu32 ",%" SCNu32 ",%" SCNu32 ",%" SCNu32 ",%" SCNu32 "\n", - task.name, - &task.time[0], - &task.time[1], - &task.time[2], - &task.time[3], - &task.time[4], - &task.time[5], - &task.time[6] - ); - - if (error != EOF) - { - task.hash = hash_string(task.name); - number_of_entries++; - - // Expand tasks capacity if required. - if (number_of_entries > capacity) { - capacity = capacity == 0 ? 16 : capacity << 1; - *database = reallocarray(*database, capacity, SIZEOF_TASK_T); - if (errno != 0 || errno == ENOMEM) { - ; // TODO reallocarray failed - } - } - memcpy(&((*database)[number_of_entries-1]), &task, SIZEOF_TASK_T); - - goto scan_csv; - } - } - - assert(number_of_entries == 3); - *database = reallocarray(*database, number_of_entries, SIZEOF_TASK_T); - // TODO check for allocation errors. -// if (error != EOF) { -// fprintf(stderr, "Failed to parse database file: %s.\n", strerror(errno)); -// } - - - fclose(file); - - return number_of_entries; -} - -void add_task(char* name) { - - // Exit if task has already been added. - uint32_t name_hash = CRC32((uint8_t*)name, sizeof(name)); - for (uint32_t idx = 0; idx < tasks_count; idx++) - { - if (name_hash == tasks[idx].hash && strcmp(name, tasks[idx].name) == 0) - { - return; - } - } - - // Expand tasks capacity if required. - if (tasks_count >= tasks_capacity) - { - tasks_capacity = tasks_capacity == 0 ? 16 : tasks_capacity << 1; - tasks = realloc(tasks, SIZEOF_TASK_T * tasks_capacity); - } - - // Add new task entry. - task_t* new_task = &tasks[tasks_count]; - memset(new_task, '0', SIZEOF_TASK_T); - strncpy(new_task->name, name, MAX_TASK_NAME); - new_task->name[MAX_TASK_NAME] = '\0'; - printf(">>> %s\n", new_task->name); // TODO debug - new_task->hash = name_hash; - tasks_count++; -} - -void prototype() { - - const char* done = "# -- done -- -- -- /\n"; - - /////////////////////////////////////////////////////////////////////////// - // Get current UTC time. - - fprintf(stderr, "# current UTC time --------------------------- \\\n"); - time_t x = time(NULL); - printf("%s", ctime(&x)); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Get current day of the week. - - fprintf(stderr, "# current day of the week --------------------- \\\n"); - time_t now_ut = time(NULL); - uint8_t week_day = localtime(&now_ut)->tm_wday; - fprintf(stderr, "%d\n", week_day); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Prepare some data for testing. - - tasks_count = 3; - tasks = calloc(tasks_count, SIZEOF_TASK_T); - - task_t tmp[] = { - { - .name = "TASK-00 : Sample task name.", - .time = { 3,2,1,0,1,2,3 }, - .hash = hash_string("TASK-00 : Sample task name.") - }, - { - .name = "TASK-01 : A wild task appears", - .time = { 1,2,3,4,5,6,7 }, - .hash = hash_string("TASK-01 : A wild task appears") - }, - { - .name = "BAZINGA : Not a task!", - .time = { 11,22,33,44,55,66,77 }, - .hash = hash_string("BAZINGA : Not a task!") - } - }; - memcpy(tasks, &tmp, SIZEOF_TASK_T * tasks_count); - - - /////////////////////////////////////////////////////////////////////////// - // Store database from memory to binary file. - - fprintf(stderr, "# store database ------------------------------ \\\n"); - store_database(tasks, tasks_count, DB_BIN_PATH_NAME); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Load database from binary file to memory. - - fprintf(stderr, "# load database ------------------------------- \\\n"); - task_t* task_load = NULL; - uint32_t number_of_entries_load = load_database(&task_load, DB_BIN_PATH_NAME); - - fprintf(stderr, "loaded %" PRIu32 " entries.\n", number_of_entries_load); - for (uint32_t idx = 0; idx < number_of_entries_load; idx++) { - print_task(&task_load[idx]); - } - free(task_load); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Export database to CSV file. - - fprintf(stderr, "# export to CSV ------------------------------- \\\n"); - export_database(tasks, tasks_count, DB_CSV_PATH_NAME); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Import database from CSV file. - - fprintf(stderr, "# import from CSV ----------------------------- \\\n"); - task_t* task_import = NULL; - uint32_t number_of_entries_import = import_database(&task_import, DB_CSV_PATH_NAME); - - fprintf(stderr, "imported %" PRIu32 " entries.\n", number_of_entries_import); - for (uint32_t idx = 0; idx < number_of_entries_import; idx++) { - print_task(&task_import[idx]); - } - free(task_import); - fprintf(stderr, done); - - - /////////////////////////////////////////////////////////////////////////// - // Release memory and exit. - -// free(tasks); -// return; -} - - -char* line_buffer; -int size_x, size_y; -uint8_t selected_layout = 0; - -#define TABLE_HEADERS_SIZE 9 - -typedef struct { - int table_size; - int table_headers_size; - char* table_headers[TABLE_HEADERS_SIZE]; -} layout_t; - -layout_t* layouts = NULL; -// { -// .table_size = 8, -// .table_headers_size = 9, -// .table_headers = { " Task ", " Mon ", " Tue ", " Wed ", " Thu ", " Fri ", " Sat ", " Sun ", " Total " } -// }, -// { -// .table_size = 6, -// .table_headers_size = 9, -// .table_headers = { " T ", " M ", " T ", " W ", " T ", " F ", " S ", " S ", " # " } -// } -// }; - -void initialize_layouts() { - layout_t* layout = NULL; - - layouts = calloc(2, sizeof(layout_t)); - - // Layout : 0 : normal. - layout = &layouts[0]; - layout->table_size = 8; - layout->table_headers_size = TABLE_HEADERS_SIZE; - layout->table_headers[0] = " Task "; - layout->table_headers[1] = " Mon "; - layout->table_headers[2] = " Tue "; - layout->table_headers[3] = " Wed "; - layout->table_headers[4] = " Thu "; - layout->table_headers[5] = " Fri "; - layout->table_headers[6] = " Sat "; - layout->table_headers[7] = " Sun "; - layout->table_headers[8] = " Total "; -// layout->table_headers = { " Task ", " Mon ", " Tue ", " Wed ", " Thu ", " Fri ", " Sat ", " Sun ", " Total " }; - - // Layout : 1 : compact. - layout = &layouts[1]; - layout->table_size = 6; - layout->table_headers_size = TABLE_HEADERS_SIZE; - layout->table_headers[0] = " Task "; - layout->table_headers[1] = " M "; - layout->table_headers[2] = " T "; - layout->table_headers[3] = " W "; - layout->table_headers[4] = " T "; - layout->table_headers[5] = " F "; - layout->table_headers[6] = " S "; - layout->table_headers[7] = " S "; - layout->table_headers[8] = " # "; -// layout->table_headers = { " T ", " M ", " T ", " W ", " T ", " F ", " S ", " S ", " # " }; -} - -void free_memory() { - free(line_buffer); - free(tasks); // TODO Deallocate tasks. - free(layouts); -} - -void draw_header() { - - layout_t* layout = &layouts[selected_layout]; - int table_size = layout->table_size; - char** table_headers = layout->table_headers; - - mvaddch(0, 0, ACS_ULCORNER); - for (int idx = 1; idx < size_x-1; idx++) { - addch(ACS_HLINE); - } - addch(ACS_URCORNER); - - int start_columns = size_x - 1 - 8*table_size - 2; - int columns[] = { - 0, - start_columns+(table_size*0), - start_columns+(table_size*1), - start_columns+(table_size*2), - start_columns+(table_size*3), - start_columns+(table_size*4), - start_columns+(table_size*5), - start_columns+(table_size*6), - start_columns+(table_size*7), - }; - - mvaddstr(0, columns[0]+2, table_headers[0]); - for (int idx = 1; idx < 9; idx++) { - mvaddch(0, columns[idx], ACS_TTEE); - mvaddstr(0, columns[idx]+2, table_headers[idx]); - } -} - -void draw_table() { - task_t* task; - int x, y; - - layout_t* layout = &layouts[selected_layout]; - int table_size = layout->table_size; - char** table_headers = layout->table_headers; - - // TODO Colors - start_color(); - init_pair(1, COLOR_BLACK, COLOR_CYAN); - - - int start_columns = size_x - 1 - 8*table_size - 2; - int columns[] = { - 0, - start_columns+(table_size*0), - start_columns+(table_size*1), - start_columns+(table_size*2), - start_columns+(table_size*3), - start_columns+(table_size*4), - start_columns+(table_size*5), - start_columns+(table_size*6), - start_columns+(table_size*7), - size_x-1, - }; - - move(1, 0); - for (uint32_t idx = 0; idx < tasks_count; idx++){ - - task = &tasks[idx]; - - // Enable highlight color on selected entry. - if (idx == selected_task) { - attron(COLOR_PAIR(1)); - } - - // Clear line_buffer and add string termination. - memset(line_buffer, ' ', size_x * sizeof(char)); - line_buffer[size_x-1] = '\0'; - - // Check maximum available space for task name and print it accordingly. - size_t task_name_length = strlen(task->name)*sizeof(char); - size_t max_column_length = start_columns - 2; - size_t copy_length = task_name_length < max_column_length ? task_name_length : max_column_length; - memcpy(line_buffer+2, task->name, copy_length); - addstr(line_buffer); - - // Disable highlight color on selected entry. - if (idx == selected_task) { - attroff(COLOR_PAIR(1)); - } - - // Print columns separators. - getyx(stdscr,y,x); - for (int c_idx = 0; c_idx < sizeof(columns)/sizeof(int); c_idx++) { - mvaddch(y, columns[c_idx], ACS_VLINE); - } - - // Go to next line. - y++; - move(y, 0); - } -} - -void draw_footer() { - const char *app_name = "Task Tracker"; - const char *app_version = "v1.0"; - - int row, col; /* to store the number of rows and the number of colums of the screen */ - initscr(); /* start the curses mode */ - getmaxyx(stdscr,row,col); /* get the number of rows and columns */ - - mvaddch(row-1, 0, ACS_LLCORNER); - addch(' '); - printw(app_name); - addch(' '); - for (int idx = strlen(app_name) + 3; idx < col - strlen(app_version) - 3; idx ++) { - addch(ACS_HLINE); - } - addch(' '); - printw(app_version); - addch(' '); - addch(ACS_LRCORNER); -} - -WINDOW *create_newwin(int height, int width, int starty, int startx); -void destroy_win(WINDOW *local_win); - -int main(int argc, char *argv[]) { - - prototype(); // TODO - initialize_layouts(); - - WINDOW *my_win; - int startx, starty, width, height; - int ch; - - initscr(); /* Start curses mode */ - cbreak(); /* Line buffering disabled, Pass on - * everty thing to me */ - keypad(stdscr, TRUE); /* I need that nifty F1 */ - curs_set(0); // Set cursor invisible. - - height = 3; - width = 10; - starty = (LINES - height) / 2; /* Calculating for a center placement */ - startx = (COLS - width) / 2; /* of the window */ - printw("Press F1 to exit"); - refresh(); - my_win = create_newwin(height, width, starty, startx); - - int rows; - int colums; - - ch = KEY_RESIZE; - do { - switch(ch) - { - case KEY_RESIZE: - erase(); - if (line_buffer != NULL) { - free(line_buffer); - } - getmaxyx(stdscr, size_y, size_x); - line_buffer = malloc(size_x * sizeof(char)); - break; - - case KEY_LEFT: - destroy_win(my_win); - my_win = create_newwin(height, width, starty,--startx); - break; - - case KEY_RIGHT: - destroy_win(my_win); - my_win = create_newwin(height, width, starty,++startx); - break; - - case KEY_UP: - selected_task = selected_task == 0 ? 0 : selected_task - 1; - destroy_win(my_win); - my_win = create_newwin(height, width, --starty,startx); - break; - - case KEY_DOWN: - selected_task = (selected_task+1) == tasks_count ? selected_task : selected_task + 1; - destroy_win(my_win); - my_win = create_newwin(height, width, ++starty,startx); - break; - } - - selected_layout = size_x > 100 ? 0 : 1; - - if (size_x >= 60 && size_y > 2) { - draw_header(); - draw_table(); - draw_footer(); - } - else { - const char* INVALID_WINDOW_MESSAGE = "Please expand window."; - mvaddstr(size_y / 2, (size_x - strlen(INVALID_WINDOW_MESSAGE)) / 2, INVALID_WINDOW_MESSAGE); - } - - } while((ch = getch()) != KEY_F(1)); - - free_memory(); - endwin(); - return 0; -} - -WINDOW *create_newwin(int height, int width, int starty, int startx) { - WINDOW *local_win; - - local_win = newwin(height, width, starty, startx); - box(local_win, 0 , 0); /* 0, 0 gives default characters - * for the vertical and horizontal - * lines */ - wrefresh(local_win); /* Show that box */ - - return local_win; -} - -void destroy_win(WINDOW *local_win) { - /* box(local_win, ' ', ' '); : This won't produce the desired - * result of erasing the window. It will leave it's four corners - * and so an ugly remnant of window. - */ - wborder(local_win, ' ', ' ', ' ',' ',' ',' ',' ',' '); - /* The parameters taken are - * 1. win: the window on which to operate - * 2. ls: character to be used for the left side of the window - * 3. rs: character to be used for the right side of the window - * 4. ts: character to be used for the top side of the window - * 5. bs: character to be used for the bottom side of the window - * 6. tl: character to be used for the top left corner of the window - * 7. tr: character to be used for the top right corner of the window - * 8. bl: character to be used for the bottom left corner of the window - * 9. br: character to be used for the bottom right corner of the window - */ - wrefresh(local_win); - delwin(local_win); -} |
