st

fork of suckless's simple terminal
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commit c371fe58a36abbfbf684e62d6b4026173dbc79be
parent 44db38a5f8560564851683f80e1a649836e5885c
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sun, 14 Apr 2013 18:30:10 +0200

Enable BCE everywhere.

Diffstat:
Mst.c | 53+++++++++++++++++++++++++----------------------------
1 file changed, 25 insertions(+), 28 deletions(-)
diff --git a/st.c b/st.c
@@ -310,7 +310,7 @@ static void strhandle(void);
 static void strparse(void);
 static void strreset(void);
 
-static void tclearregion(int, int, int, int, int);
+static void tclearregion(int, int, int, int);
 static void tcursor(int);
 static void tdeletechar(int);
 static void tdeleteline(int);
@@ -1187,7 +1187,7 @@ treset(void) {
     term.bot = term.row - 1;
     term.mode = MODE_WRAP;
 
-    tclearregion(0, 0, term.col-1, term.row-1, 0);
+    tclearregion(0, 0, term.col-1, term.row-1);
     tmoveto(0, 0);
     tcursor(CURSOR_SAVE);
 }
@@ -1231,7 +1231,7 @@ tscrolldown(int orig, int n) {
 
     LIMIT(n, 0, term.bot-orig+1);
 
-    tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
+    tclearregion(0, term.bot-n+1, term.col-1, term.bot);
 
     for(i = term.bot; i >= orig+n; i--) {
         temp = term.line[i];
@@ -1251,7 +1251,7 @@ tscrollup(int orig, int n) {
     Line temp;
     LIMIT(n, 0, term.bot-orig+1);
 
-    tclearregion(0, orig, term.col-1, orig+n-1, 0);
+    tclearregion(0, orig, term.col-1, orig+n-1);
 
     for(i = orig; i <= term.bot-n; i++) {
          temp = term.line[i];
@@ -1389,7 +1389,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
 }
 
 void
-tclearregion(int x1, int y1, int x2, int y2, int bce) {
+tclearregion(int x1, int y1, int x2, int y2) {
     int x, y, temp;
 
     if(x1 > x2)
@@ -1405,13 +1405,9 @@ tclearregion(int x1, int y1, int x2, int y2, int bce) {
     for(y = y1; y <= y2; y++) {
         term.dirty[y] = 1;
         for(x = x1; x <= x2; x++) {
-            if(bce) {
-                term.line[y][x] = term.c.attr;
-                memcpy(term.line[y][x].c, " ", 2);
-                term.line[y][x].state |= GLYPH_SET;
-            } else {
-                term.line[y][x].state = 0;
-            }
+            term.line[y][x] = term.c.attr;
+            memcpy(term.line[y][x].c, " ", 2);
+            term.line[y][x].state |= GLYPH_SET;
         }
     }
 }
@@ -1425,13 +1421,13 @@ tdeletechar(int n) {
     term.dirty[term.c.y] = 1;
 
     if(src >= term.col) {
-        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
+        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
         return;
     }
 
     memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
             size * sizeof(Glyph));
-    tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0);
+    tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
 }
 
 void
@@ -1443,13 +1439,13 @@ tinsertblank(int n) {
     term.dirty[term.c.y] = 1;
 
     if(dst >= term.col) {
-        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
+        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
         return;
     }
 
     memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
             size * sizeof(Glyph));
-    tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
+    tclearregion(src, term.c.y, dst - 1, term.c.y);
 }
 
 void
@@ -1475,8 +1471,9 @@ tsetattr(int *attr, int l) {
     for(i = 0; i < l; i++) {
         switch(attr[i]) {
         case 0:
-            term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
-                    | ATTR_ITALIC | ATTR_BLINK);
+            term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \
+                    | ATTR_BOLD | ATTR_ITALIC \
+                    | ATTR_BLINK);
             term.c.attr.fg = defaultfg;
             term.c.attr.bg = defaultbg;
             break;
@@ -1645,7 +1642,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                 alt = IS_SET(MODE_ALTSCREEN);
                 if(alt) {
                     tclearregion(0, 0, term.col-1,
-                            term.row-1, 0);
+                            term.row-1);
                 }
                 if(set ^ alt)        /* set is always 1 or 0 */
                     tswapscreen();
@@ -1764,19 +1761,19 @@ csihandle(void) {
         sel.bx = -1;
         switch(csiescseq.arg[0]) {
         case 0: /* below */
-            tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
+            tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
             if(term.c.y < term.row-1) {
                 tclearregion(0, term.c.y+1, term.col-1,
-                        term.row-1, 1);
+                        term.row-1);
             }
             break;
         case 1: /* above */
             if(term.c.y > 1)
-                tclearregion(0, 0, term.col-1, term.c.y-1, 1);
-            tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+                tclearregion(0, 0, term.col-1, term.c.y-1);
+            tclearregion(0, term.c.y, term.c.x, term.c.y);
             break;
         case 2: /* all */
-            tclearregion(0, 0, term.col-1, term.row-1, 1);
+            tclearregion(0, 0, term.col-1, term.row-1);
             break;
         default:
             goto unknown;
@@ -1786,13 +1783,13 @@ csihandle(void) {
         switch(csiescseq.arg[0]) {
         case 0: /* right */
             tclearregion(term.c.x, term.c.y, term.col-1,
-                    term.c.y, 1);
+                    term.c.y);
             break;
         case 1: /* left */
-            tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+            tclearregion(0, term.c.y, term.c.x, term.c.y);
             break;
         case 2: /* all */
-            tclearregion(0, term.c.y, term.col-1, term.c.y, 1);
+            tclearregion(0, term.c.y, term.col-1, term.c.y);
             break;
         }
         break;
@@ -1818,7 +1815,7 @@ csihandle(void) {
     case 'X': /* ECH -- Erase <n> char */
         DEFAULT(csiescseq.arg[0], 1);
         tclearregion(term.c.x, term.c.y,
-                term.c.x + csiescseq.arg[0] - 1, term.c.y, 1);
+                term.c.x + csiescseq.arg[0] - 1, term.c.y);
         break;
     case 'P': /* DCH -- Delete <n> char */
         DEFAULT(csiescseq.arg[0], 1);