Patching while not really woken up.

[st.git] / st.c

diff --git a/st.c b/st.c
index c938ff4..23a43c1 100644 (file)
--- a/st.c
+++ b/st.c
@@ -758,7 +758,7 @@ bpress(XEvent *e) {
 void
 selcopy(void) {
        char *str, *ptr, *p;
-       int x, y, bufsize, is_selected = 0, size;
+       int x, y, bufsize, isselected = 0, size;
        Glyph *gp, *last;
 
        if(sel.bx == -1) {
@@ -769,7 +769,7 @@ selcopy(void) {
 
                /* append every set & selected glyph to the selection */
                for(y = sel.b.y; y < sel.e.y + 1; y++) {
-                       is_selected = 0;
+                       isselected = 0;
                        gp = &term.line[y][0];
                        last = gp + term.col;
 
@@ -780,7 +780,7 @@ selcopy(void) {
                                if(!selected(x, y)) {
                                        continue;
                                } else {
-                                       is_selected = 1;
+                                       isselected = 1;
                                }
 
                                p = (gp->state & GLYPH_SET) ? gp->c : " ";
@@ -788,9 +788,18 @@ selcopy(void) {
                                memcpy(ptr, p, size);
                                ptr += size;
                        }
-                       /* \n at the end of every selected line except for the last one */
-                       if(is_selected && y < sel.e.y)
-                               *ptr++ = '\r';
+
+                       /*
+                        * Copy and pasting of line endings is inconsistent
+                        * in the inconsistent terminal and GUI world.
+                        * The best solution seems like to produce '\n' when
+                        * something is copied from st and convert '\n' to
+                        * '\r', when something to be pasted is received by
+                        * st.
+                        * FIXME: Fix the computer world.
+                        */
+                       if(isselected && y < sel.e.y)
+                               *ptr++ = '\n';
                }
                *ptr = 0;
        }
@@ -801,7 +810,7 @@ void
 selnotify(XEvent *e) {
        ulong nitems, ofs, rem;
        int format;
-       uchar *data;
+       uchar *data, *last, *repl;
        Atom type;
 
        ofs = 0;
@@ -812,7 +821,21 @@ selnotify(XEvent *e) {
                        fprintf(stderr, "Clipboard allocation failed\n");
                        return;
                }
-               ttywrite((const char *) data, nitems * format / 8);
+
+               /*
+                * As seen in selcopy:
+                * Line endings are inconsistent in the terminal and GUI world
+                * copy and pasting. When receiving some selection data,
+                * replace all '\n' with '\r'.
+                * FIXME: Fix the computer world.
+                */
+               repl = data;
+               last = data + nitems * format / 8;
+               while((repl = memchr(repl, '\n', last - repl))) {
+                       *repl++ = '\r';
+               }
+
+               ttywrite((const char *)data, nitems * format / 8);
                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;
@@ -3332,7 +3355,8 @@ main(int argc, char *argv[]) {
                break;
        case 'e':
                /* eat all remaining arguments */
-               opt_cmd = &argv[1];
+               if(argc > 1)
+                       opt_cmd = &argv[1];
                goto run;
        case 'f':
                opt_font = EARGF(usage());