Documented the refresh feature and made some improvements in the help window

git-svn-id: svn://blicky.net/ncdu/trunk@17 ce56bc8d-f834-0410-b703-f827bd498a76

doc/ncdu.1

@@ -120,6 +120,10 @@ that the totals shown at the bottom of the screen are not correct, make
 sure you haven't enabled this option.
 .TP
 .B
+r
+Refresh/recalculate the current directory.
+.TP
+.B
 q
 Quit
 .SH AUTHOR

src/help.c

@@ -36,71 +36,71 @@ void drawHelp(int page) {
   wattroff(hlp, A_BOLD);
   mvwaddstr(hlp, 13, 32, "Press any key to continue");
 
+  if(page == 1)
+    wattron(hlp, A_REVERSE);
+  mvwaddstr(hlp, 0, 30, "1:Keys");
+  wattroff(hlp, A_REVERSE);
+  if(page == 2)
+    wattron(hlp, A_REVERSE);
+  mvwaddstr(hlp, 0, 39, "2:Format");
+  wattroff(hlp, A_REVERSE);
+  if(page == 3)
+    wattron(hlp, A_REVERSE);
+  mvwaddstr(hlp, 0, 50, "3:About");
+  wattroff(hlp, A_REVERSE);
+
   switch(page) {
     case 1:
       wattron(hlp, A_BOLD);
-      mvwaddstr(hlp, 1, 30, "1:Keys");
-      wattroff(hlp, A_BOLD);
-      mvwaddstr(hlp, 1, 39, "2:Format");
-      mvwaddstr(hlp, 1, 50, "3:About");
-      wattron(hlp, A_BOLD);
-      mvwaddstr(hlp, 3,  7, "up/down");
-      mvwaddstr(hlp, 4,  3, "right/enter");
-      mvwaddstr(hlp, 5, 10, "left");
-      mvwaddstr(hlp, 6, 11, "n/s");
-      mvwaddch( hlp, 7, 13, 'd');
-      mvwaddch( hlp, 8, 13, 't');
-      mvwaddch( hlp, 9, 13, 'g');
-      mvwaddch( hlp,10, 13, 'p');
-      mvwaddch( hlp,11, 13, 'h');
+      mvwaddstr(hlp, 2,  7, "up/down");
+      mvwaddstr(hlp, 3,  3, "right/enter");
+      mvwaddstr(hlp, 4, 10, "left");
+      mvwaddstr(hlp, 5, 11, "n/s");
+      mvwaddch( hlp, 6, 13, 'd');
+      mvwaddch( hlp, 7, 13, 't');
+      mvwaddch( hlp, 8, 13, 'g');
+      mvwaddch( hlp, 9, 13, 'p');
+      mvwaddch( hlp,10, 13, 'h');
+      mvwaddch( hlp,11, 13, 'r');
       mvwaddch( hlp,12, 13, 'q');
       wattroff(hlp, A_BOLD);
-      mvwaddstr(hlp, 3, 16, "Cycle through the items");
-      mvwaddstr(hlp, 4, 16, "Open directory");
-      mvwaddstr(hlp, 5, 16, "Previous directory");
-      mvwaddstr(hlp, 6, 16, "Sort by name or size (asc/desc)");
-      mvwaddstr(hlp, 7, 16, "Delete selected file or directory");
-      mvwaddstr(hlp, 8, 16, "Toggle dirs before files when sorting");
-      mvwaddstr(hlp, 9, 16, "Show percentage and/or graph");
-      mvwaddstr(hlp,10, 16, "Toggle between powers of 1000 and 1024");
-      mvwaddstr(hlp,11, 16, "Show/hide hidden or excluded files");
+      mvwaddstr(hlp, 2, 16, "Cycle through the items");
+      mvwaddstr(hlp, 3, 16, "Open directory");
+      mvwaddstr(hlp, 4, 16, "Previous directory");
+      mvwaddstr(hlp, 5, 16, "Sort by name or size (asc/desc)");
+      mvwaddstr(hlp, 6, 16, "Delete selected file or directory");
+      mvwaddstr(hlp, 7, 16, "Toggle dirs before files when sorting");
+      mvwaddstr(hlp, 8, 16, "Show percentage and/or graph");
+      mvwaddstr(hlp, 9, 16, "Toggle between powers of 1000 and 1024");
+      mvwaddstr(hlp,10, 16, "Show/hide hidden or excluded files");
+      mvwaddstr(hlp,11, 16, "Recalculate the current directory");
       mvwaddstr(hlp,12, 16, "Quit ncdu");
       break;
     case 2:
-      mvwaddstr(hlp, 1, 30, "1:Keys");
-      wattron(hlp, A_BOLD);
-      mvwaddstr(hlp, 1, 39, "2:Format");
-      wattroff(hlp, A_BOLD);
-      mvwaddstr(hlp, 1, 50, "3:About");
       wattron(hlp, A_BOLD);
-      mvwaddstr(hlp, 3, 3, "X  [size]  [file or directory]");
+      mvwaddstr(hlp, 2, 3, "X  [size] [graph] [file or directory]");
       wattroff(hlp, A_BOLD);
-      mvwaddstr(hlp, 5, 4, "The X is only present in the following cases:");
+      mvwaddstr(hlp, 3, 4, "The X is only present in the following cases:");
       wattron(hlp, A_BOLD);
-      mvwaddch(hlp, 6, 4, '!');
-      mvwaddch(hlp, 7, 4, '.');
+      mvwaddch(hlp, 5, 4, '!');
+      mvwaddch(hlp, 6, 4, '.');
+      mvwaddch(hlp, 7, 4, '<');
       mvwaddch(hlp, 8, 4, '>');
-      mvwaddch(hlp, 9, 4, '<');
-      mvwaddch(hlp,10, 4, '@');
-      mvwaddch(hlp,11, 4, 'e');
+      mvwaddch(hlp, 9, 4, '@');
+      mvwaddch(hlp,10, 4, 'e');
       wattroff(hlp, A_BOLD);
-      mvwaddstr(hlp, 6, 7, "An error occured while reading this directory");
-      mvwaddstr(hlp, 7, 7, "An error occured while reading a subdirectory");
-      mvwaddstr(hlp, 8, 7, "File or directory is excluded from the statistics");
-      mvwaddstr(hlp, 9, 7, "Directory was on an other filesystem");
-      mvwaddstr(hlp,10, 7, "This is not a file nor a dir (symlink, socket, ...)");
-      mvwaddstr(hlp,11, 7, "Empty directory");
+      mvwaddstr(hlp, 5, 7, "An error occured while reading this directory");
+      mvwaddstr(hlp, 6, 7, "An error occured while reading a subdirectory");
+      mvwaddstr(hlp, 7, 7, "File or directory is excluded from the statistics");
+      mvwaddstr(hlp, 8, 7, "Directory was on an other filesystem");
+      mvwaddstr(hlp, 9, 7, "This is not a file nor a dir (symlink, socket, ...)");
+      mvwaddstr(hlp,10, 7, "Empty directory");
       break;
     case 3:
       /* Indeed, too much spare time */
-      mvwaddstr(hlp, 1, 30, "1:Keys");
-      mvwaddstr(hlp, 1, 39, "2:Format");
-      wattron(hlp, A_BOLD);
-      mvwaddstr(hlp, 1, 50, "3:About");
-      wattroff(hlp, A_BOLD);
       wattron(hlp, A_REVERSE);
 #define x 12
-#define y 4
+#define y 3
       /* N */
       mvwaddstr(hlp, y+0, x+0, "      ");
       mvwaddstr(hlp, y+1, x+0, "  ");
@@ -139,14 +139,9 @@ void drawHelp(int page) {
       mvwaddstr(hlp, y+1, x+30, "Disk");
       mvwaddstr(hlp, y+2, x+30, "Usage");
       mvwprintw(hlp, y+4, x+30, "%s", PACKAGE_VERSION);
-      mvwaddstr(hlp,10,  7, "Written by Yoran Heling <projects@yorhel.nl>");
-      mvwaddstr(hlp,11, 16, "http://dev.yorhel.nl/ncdu/");
+      mvwaddstr(hlp, 9,  7, "Written by Yoran Heling <projects@yorhel.nl>");
+      mvwaddstr(hlp,10, 16, "http://dev.yorhel.nl/ncdu/");
       break;
-    case 4:
-      mvwaddstr(hlp, 1, 30, "1:Keys"); 
-      mvwaddstr(hlp, 1, 39, "2:Format");
-      mvwaddstr(hlp, 1, 50, "3:About");
-      mvwaddstr(hlp, 3, 3, "There is no fourth window, baka~~");
   }
   wrefresh(hlp);
   delwin(hlp); /* no need to use it anymore - free it */
@@ -159,6 +154,8 @@ void showHelp(void) {
   drawHelp(p);
   while((ch = getch())) {
     switch(ch) {
+      case ERR:
+        break;
       case '1':
         p = 1;
         break;
@@ -168,14 +165,13 @@ void showHelp(void) {
       case '3':
         p = 3;
         break;
-      case '4':
-        p = 4;
-        break;
       case KEY_RIGHT:
-        if(++p > 4)
-          p = 4;
+      case KEY_NPAGE:
+        if(++p > 3)
+          p = 3;
         break;
       case KEY_LEFT:
+      case KEY_PPAGE:
         if(--p < 1)
           p = 1;
         break;