X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=config.def.h;h=b41747f0d5bc647402ac5bb99ae888b19f4bc381;hb=5ce853a1c14bab21c79af5470bff7bed07159ec5;hp=85921dcf974ce447e08f15b2c0b1239811ee595a;hpb=f7b80caebe2b96ef65e301634d8dc4e02325e357;p=st.git

diff --git a/config.def.h b/config.def.h
index 85921dc..b41747f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -62,12 +62,26 @@ static unsigned int cursorthickness = 2;
  */
 static int bellvolume = 0;
 
-/* TERM value */
+/* default TERM value */
 static char termname[] = "st-256color";
 
+/*
+ * spaces per tab
+ *
+ * When you are changing this value, don't forget to adapt the »it« value in
+ * the st.info and appropriately install the st.info in the environment where
+ * you use this st version.
+ *
+ *	it#$tabspaces,
+ *
+ * Secondly make sure your kernel is not expanding tabs. When running `stty
+ * -a` »tab0« should appear. You can tell the terminal to not expand tabs by
+ *  running following command:
+ *
+ *	stty tabs
+ */
 static unsigned int tabspaces = 8;
 
-
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
 	/* 8 normal colors */
@@ -109,14 +123,13 @@ static unsigned int defaultrcs = 257;
 
 /*
  * Default shape of cursor
- * 2: Block
- * 4: Underline
- * 6: IBeam
+ * 2: Block ("█")
+ * 4: Underline ("_")
+ * 6: Bar ("|")
+ * 7: Snowman ("☃")
  */
-
 static unsigned int cursorshape = 2;
 
-
 /*
  * Default colour and shape of the mouse cursor
  */
@@ -132,9 +145,11 @@ static unsigned int mousebg = 0;
 static unsigned int defaultitalic = 11;
 static unsigned int defaultunderline = 7;
 
-/* Internal mouse shortcuts. */
-/* Beware that overloading Button1 will disable the selection. */
-static Mousekey mshortcuts[] = {
+/*
+ * Internal mouse shortcuts.
+ * Beware that overloading Button1 will disable the selection.
+ */
+static MouseShortcut mshortcuts[] = {
 	/* button               mask            string */
 	{ Button4,              XK_ANY_MOD,     "\031" },
 	{ Button5,              XK_ANY_MOD,     "\005" },
@@ -196,11 +211,17 @@ static KeySym mappedkeys[] = { -1 };
  */
 static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
 
-/* Override mouse-select while mask is active (when MODE_MOUSE is set).
+/*
+ * Override mouse-select while mask is active (when MODE_MOUSE is set).
  * Note that if you want to use ShiftMask with selmasks, set this to an other
- * modifier, set to 0 to not use it. */
+ * modifier, set to 0 to not use it.
+ */
 static uint forceselmod = ShiftMask;
 
+/*
+ * This is the huge key array which defines all compatibility to the Linux
+ * world. Please decide about changes wisely.
+ */
 static Key key[] = {
 	/* keysym           mask            string      appkey appcursor crlf */
 	{ XK_KP_Home,       ShiftMask,      "\033[2J",       0,   -1,    0},
@@ -297,6 +318,7 @@ static Key key[] = {
 	{ XK_Delete,        XK_ANY_MOD,     "\033[P",       -1,    0,    0},
 	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
 	{ XK_BackSpace,     XK_NO_MOD,      "\177",          0,    0,    0},
+	{ XK_BackSpace,     Mod1Mask,       "\033\177",      0,    0,    0},
 	{ XK_Home,          ShiftMask,      "\033[2J",       0,   -1,    0},
 	{ XK_Home,          ShiftMask,      "\033[1;2H",     0,   +1,    0},
 	{ XK_Home,          XK_ANY_MOD,     "\033[H",        0,   -1,    0},
@@ -411,3 +433,12 @@ static uint selmasks[] = {
 	[SEL_RECTANGULAR] = Mod1Mask,
 };
 
+/*
+ * Printable characters in ASCII, used to estimate the advance width
+ * of single wide characters.
+ */
+static char ascii_printable[] =
+	" !\"#$%&'()*+,-./0123456789:;<=>?"
+	"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+	"`abcdefghijklmnopqrstuvwxyz{|}~";
+