Prototype for user interface.

1 files changed, 183 insertions, 0 deletions

diff --git a/task_tracker.c b/task_tracker.c
new file mode 100644
index 0000000..6bef5d4
--- /dev/null
+++ b/task_tracker.c
@@ -0,0 +1,183 @@
+// Compile with: gcc task_tracker.c -O2 -m64 -lncurses -o task_tracker.x64
+
+#include <string.h>
+#include <ncurses.h>
+
+
+void draw_header()
+{
+	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(0, 0, ACS_ULCORNER);
+	addch(ACS_HLINE);
+	addch(' ');
+	printw(app_name);
+	addch(' ');
+	for (int idx = strlen(app_name) + 4; idx < col - strlen(app_version) - 4; idx ++) {
+		addch(ACS_HLINE);
+	}
+	addch(' ');
+	printw(app_version);
+	addch(' ');
+	addch(ACS_HLINE);
+	addch(ACS_URCORNER);
+//     addch('@');
+//     mvprintw(row/2,(col-strlen(mesg))/2,"%s",mesg);
+}
+
+void draw_table()
+{
+	const char *table_headers[] = { "Task", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Total" };
+	const int table_headers_size = sizeof(table_headers)/sizeof(char*);
+	
+	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(1, 0, ACS_LTEE);
+	for (int idx = 0; idx < table_headers_size; idx++) {
+		if (idx > 0) {
+			addch(ACS_TTEE);
+// 			printw(" %c", ACS_PLUS);
+		}
+		addch(ACS_HLINE);
+		printw(" %s ", table_headers[idx]);
+		addch(ACS_HLINE);
+		
+	}
+	
+	int cursor_y, cursor_x;
+	getyx(stdscr, cursor_y, cursor_x);
+	for (int idx = cursor_x; idx < col-1; idx++) {
+		addch(ACS_HLINE);
+	}
+	addch(ACS_RTEE);
+}
+
+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 */
+	
+	printw("Row %d", row);
+	
+	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[])
+{	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;
+	
+	halfdelay(10);
+	while((ch = getch()) != KEY_F(1))
+	{
+        draw_header();
+		draw_table();
+		draw_footer();
+        switch(ch)
+		{
+			case KEY_RESIZE:
+// 				getmaxyx(stdscr, rows, colums);
+// 				resizeterm(rows, colums);
+				erase();
+				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:
+				destroy_win(my_win);
+				my_win = create_newwin(height, width, --starty,startx);
+				break;
+			case KEY_DOWN:
+				destroy_win(my_win);
+				my_win = create_newwin(height, width, ++starty,startx);
+				break;	
+		}
+	}
+	
+	endwin();			/* End curses mode		  */
+	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);
+}