Added a few more examples

Author: 1100110

examples/init_func_example.d

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+/* This is rather interesting, it prints the bold version
+ * of whatever you type on the screen.
+ *
+ * Today's exercise: put all of this in a while loop,
+ * so that you can keep typing stuff in until you get bored.
+ * Might be harder than you think.  ;)
+ * Modified by: 1100110
+ */ 
+
+import std.string: toStringz;
+import ncurses;
+
+void main()
+{
+	int ch;
+
+	initscr();					//Start curses mode
+	raw();						//Line buffering disabled
+	keypad(stdscr, true);		//We want to get F1, F2 etc..
+	noecho();					//Don't echo() while we do getch
+
+    printw(toStringz("Type any character to see it in bold!\n"));
+	ch = getch();				//If raw() hadn't been called
+								//we have to press enter before it
+								//gets to the program 	
+
+	if(ch == KEY_F(1))	//Without keypad enabled this will not get to us either
+		printw(toStringz("F1 Key pressed"));	
+								//Without noecho() some ugly escape
+								//charachters might have been printed
+								//to the screen
+	else
+	{	printw(toStringz("The pressed key is: "));
+		attron(A_BOLD);
+		printw("%c", ch);		//again with the implicit conversion...
+		attroff(A_BOLD);
+	}
+	refresh();					//Actually print it on the screen
+    getch();					//Wait for user input/Hold the terminal open
+	endwin();					//End curses mode
+}
+

examples/printw_example.d

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+//Modified by: 1100110
+
+import std.string;
+import ncurses;						/* ncurses.h includes stdio.h */  
+ 
+void main()
+{
+	string mesg = "Just a string...";		//message to appear on the screen 
+	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
+	//print the message at the center of the screen 
+	mvprintw(row/2, (col-(mesg.length - 1))/2, "%s", toStringz(mesg));
+	//Did you notice? there is a '%s' not toStringified.
+	//In one of those great weird blips, D2 will pass small characters
+	//like that, and yet will choke on larger strings.
+	//This is where implicit rules make things unexpected happen.
+								
+	auto rowcol = toStringz("This screen has %d rows and %d columns\n");
+	mvprintw(row-2, 0, rowcol, row+1, col+1);
+	printw(toStringz("Try resizing your window(if possible) and then run this program again"));
+	refresh();
+	getch();
+	endwin();
+}

examples/simple_attr.d

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+//pager functionality by Joseph Spainhour" <[email protected]>
+//Modified by: 1100110
+//I believe that this relies on deprecated features..
+//Gonna have to be rewritten I believe.
+
+import std.stdio: writefln;
+import std.string: toStringz;
+import std.c.stdio;
+import ncurses;
+
+
+int main(char[][] args)	
+{
+	//um...can you put a char into an int?  will that work?
+	//I think that is the problem...
+	int ch, prev, row, col;
+	prev = EOF;
+	FILE* fp;
+	int y, x;
+
+	if(args.length != 2)
+	{
+		writefln("Usage: %s <a c file name>\n", args[0]);
+		return 1;		//Exit
+	}//if
+
+	fp = fopen(toStringz(args[1]), "r");
+	if(fp == null)
+	{
+		perror("Cannot open input file");
+		return 1;
+	}//if
+	initscr();						//start curses mode
+	getmaxyx(stdscr, row, col);		//find the boundaries of the screeen
+	while((ch = fgetc(fp)) != EOF)	//read the file till we reach the end
+	{
+		getyx(stdscr, y, x);		//get the current curser position
+		if(y == (row - 1))			//are we are at the end of the screen
+		{
+			printw(toStringz("<-press any key->"));	//tell the user to press a key
+			getch();
+			clear();						//clear the screen
+			move(0, 0);						//start at the beginning of the screen 
+		}//if
+		if(prev == '/' && ch == '*')    	//if it is / and * then only switch bold on
+		{
+			attron(A_BOLD);					//cut bold on
+			getyx(stdscr, y, x);			//get the current curser position
+			move(y, x - 1);					//back up one space
+			printw("%c%c", '/', ch); 		//the actual printing is done here
+		}//if
+		else
+			printw("%c", ch);
+		refresh();
+		if(prev == '*' && ch == '/')
+			attroff(A_BOLD);        		//switch it off once we got * and then / 
+		prev = ch;
+	}//while
+	getch();
+	endwin();                       		//end curses mode
+	fclose(fp);
+	
+	return 0;
+}//main

examples/with_chgat.d

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+import std.string: toStringz;
+import ncurses;
+
+void main()
+{   initscr();          //Start curses mode
+    start_color();      //Start color functionality
+
+    init_pair(1, COLOR_CYAN, COLOR_BLACK);
+    printw(toStringz("A Big string which i didn't care to type fully... "));
+    mvchgat(0, 0, -1, cast(attr_t)A_BLINK, cast(short)1, null);
+    /*
+     * First two parameters specify the position at which to start
+     * Third parameter number of characters to update. -1 means till
+     * end of line
+     * Forth parameter is the normal attribute you wanted to give
+     * to the charcter
+     * Fifth is the color index. It is the index given during init_pair()
+     * use 0 if you didn't want color
+     * Sixth one is always NULL
+     */
+    refresh();
+    getch();
+    endwin();           //End curses mode
+}