From 44e09d166218e8f1374e8130c59368646ab44ce9 Mon Sep 17 00:00:00 2001
From: Mazar Farran <mifarran@ucdavis.edu>
Date: Fri, 21 Aug 2015 16:18:49 -0700
Subject: [PATCH] Add a prompt

---
 .gitignore |  1 +
 makefile   |  9 ++++++---
 prompt.c   | 33 +++++++++++++++++++++++++++++++++
 prompt.h   | 17 +++++++++++++++++
 text.c     |  8 +++++++-
 text.h     |  1 +
 6 files changed, 65 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 .gitignore
 create mode 100644 prompt.c
 create mode 100644 prompt.h

diff --git a/.gitignore b/.gitignore
old mode 100644
new mode 100755
index 31ee6fd..35f21c9
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.o
 *.txt
 text
+text.exe
diff --git a/makefile b/makefile
index 32ad88f..e020004 100644
--- a/makefile
+++ b/makefile
@@ -2,13 +2,13 @@
 
 CC=gcc
 CFLAGS=-Wall -g
-OBJS=text.o page.o line.o
+OBJS=text.o page.o line.o prompt.o
 LIBS=-lncurses
 
 text: $(OBJS)
-	$(CC) $(CFLAGS) -o text $(OBJS) $(LIBS)
+	$(CC) $(CFLAGS) -o text.exe $(OBJS) $(LIBS)
 
-text.o:	text.c text.h page.h line.h
+text.o:	text.c text.h page.h line.h prompt.h
 	$(CC) $(CFLAGS) -c text.c
 	
 page.o: page.c page.h line.h
@@ -16,6 +16,9 @@ page.o: page.c page.h line.h
 	
 line.o: line.c line.h
 	$(CC) $(CFLAGS) -c line.c
+
+prompt.o: prompt.c prompt.h
+	$(CC) $(CFLAGS) -c prompt.c
 	
 clean:
 	rm -f $(OBJS) text
diff --git a/prompt.c b/prompt.c
new file mode 100644
index 0000000..a920507
--- /dev/null
+++ b/prompt.c
@@ -0,0 +1,33 @@
+#include "prompt.h"
+
+void prompt_string(const char *message, char *name) 
+{
+   echo();
+   WINDOW *prompt = subwin(stdscr, PROMPT_LINES, PROMPT_COLS,
+                           center_y(PROMPT_LINES), center_x(PROMPT_COLS));
+   mvwprintw(prompt, 1, 1, message);
+   box(prompt, 0, 0);
+   wmove(prompt, PROMPT_OFFY, PROMPT_OFFX);
+
+   wattron(prompt, A_REVERSE);
+   wprintw(prompt, "                  ");
+   wmove(prompt, PROMPT_OFFY, PROMPT_OFFX);
+   wgetstr(prompt, name);
+   wattroff(prompt, A_REVERSE);
+
+   wborder(prompt, ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ');
+   werase(prompt);
+   wrefresh(prompt);
+   delwin(prompt);
+   noecho();
+}
+
+int center_x(int width) 
+{
+    return (COLS - width) / 2;
+}
+
+int center_y(int height)
+{
+    return (LINES - height) / 2;
+}
diff --git a/prompt.h b/prompt.h
new file mode 100644
index 0000000..d0bab76
--- /dev/null
+++ b/prompt.h
@@ -0,0 +1,17 @@
+#ifndef PROMPT_H
+#define PROMPT_H
+
+#include <ncurses.h>
+#include <string.h>
+
+#define PROMPT_LINES 5
+#define PROMPT_COLS 20
+
+#define PROMPT_OFFX 1
+#define PROMPT_OFFY 3
+
+void prompt_string(const char *message, char *name);
+int center_x(int width);
+int center_y(int height);
+
+#endif
diff --git a/text.c b/text.c
index 10352c5..bab84fa 100644
--- a/text.c
+++ b/text.c
@@ -53,6 +53,7 @@ int main(int argc, char *argv[])
 	print_page(&page, beg, end);
 	getyx(stdscr, y, x);
 
+    char status[NAME_LIMIT + 10];
 	while(true)
 	{
 		beg = 0 + y_offset;
@@ -66,10 +67,15 @@ int main(int argc, char *argv[])
 				break;
 			case KEY_F(5):
 				save_file(argc, argv, &page);
-                char status[NAME_LIMIT + 10];
                 sprintf(status, "Saved as \'%s\'", page.filename);
 				update_status(status);
 				break;
+            case KEY_F(6):
+                prompt_string("Save As:", page.filename);
+                save_file(argc, argv, &page);
+                sprintf(status, "Saved as \'%s\'", page.filename);
+				update_status(status);
+                break;
 			case KEY_UP:
 				move_up(&page, &x, &y);
 				print_loc(x, y);
diff --git a/text.h b/text.h
index bdc38e3..adea391 100644
--- a/text.h
+++ b/text.h
@@ -8,6 +8,7 @@
 #include <ncurses.h> // -lncurses. declared in page.h
 
 #include "page.h"
+#include "prompt.h"
 
 void update_status(char *info);