From 189d141c6095f86488af735a12d166be924d0511 Mon Sep 17 00:00:00 2001
From: Jarno Mäkipää <jmakip87@gmail.com>
Date: Fri, 3 Jan 2020 11:22:38 +0800
Subject: vi: fixes and small cleanup

fix: first line delete
fix: delete with e move
fix: statusline 1 row lower, remove eol
cleanup: use dlist_pop on delete
cleanup: move globals into GLOBALS
---
 toys/pending/vi.c | 517 ++++++++++++++++++++++++++----------------------------
 1 file changed, 251 insertions(+), 266 deletions(-)

(limited to 'toys/pending')

diff --git a/toys/pending/vi.c b/toys/pending/vi.c
index 2fb6d442..9c47a4c5 100644
--- a/toys/pending/vi.c
+++ b/toys/pending/vi.c
@@ -36,28 +36,26 @@ GLOBALS(
     char *last_search;
     int tabstop;
     int list;
+    struct str_line {
+      int alloc;
+      int len;
+      char *data;
+    } *il;
+    struct linelist {
+      struct linelist *up;//next
+      struct linelist *down;//prev
+      struct str_line *line;
+    } *text, *screen, *c_r;
+    //yank buffer
+    struct yank_buf {
+      char reg;
+      int alloc;
+      char* data;
+    } yank;
 )
 
-struct str_line {
-  int alloc;
-  int len;
-  char *data;
-};
-//yank buffer
-struct yank_buf {
-  char reg;
-  int alloc;
-  char* data;
-};
 
 
-//lib dllist uses next and prev kinda opposite what im used to so I just
-//renamed both ends to up and down
-struct linelist {
-  struct linelist *up;//next
-  struct linelist *down;//prev
-  struct str_line *line;
-};
 
 static void draw_page();
 
@@ -79,13 +77,7 @@ static int search_str(char *s);
 static int vi_yank(char reg, struct linelist *row, int col, int flags);
 static int vi_delete(char reg, struct linelist *row, int col, int flags);
 
-//inserted line not yet pushed to buffer
-struct str_line *il;
-struct linelist *text; //file loaded into buffer
-struct linelist *screen;//current screen coord 0 row
-struct linelist *c_r;//cursor position row
 
-struct yank_buf yank; //single yank
 
 // TT.vi_mov_flag is used for special cases when certain move
 // acts differently depending is there DELETE/YANK or NOP
@@ -128,15 +120,15 @@ void linelist_free(void *node)
 void linelist_unload()
 {
   void* list = 0;
-  for (;text->down; text = text->down);
-  list = (void*)text;
-  text = screen = c_r = 0;
+  for (;TT.text->down; TT.text = TT.text->down);
+  list = (void*)TT.text;
+  TT.text = TT.screen = TT.c_r = 0;
   llist_traverse(list, linelist_free);
 }
 
 void write_file(char *filename)
 {
-  struct linelist *lst = text;
+  struct linelist *lst = TT.text;
   FILE *fp = 0;
   if (!filename) filename = (char*)*toys.optargs;
   if (!(fp = fopen(filename, "w")) ) return;
@@ -149,7 +141,7 @@ void write_file(char *filename)
 
 int linelist_load(char *filename)
 {
-  struct linelist *lst = c_r;//cursor position or 0
+  struct linelist *lst = TT.c_r;//cursor position or 0
   FILE *fp = 0;
   if (!filename)
     filename = (char*)*toys.optargs;
@@ -163,8 +155,8 @@ int linelist_load(char *filename)
     lst->line->alloc = alc;
     lst->line->len = 0;
     lst->line->data = line;
-    text = lst;
-    dlist_terminate(text->up);
+    TT.text = lst;
+    dlist_terminate(TT.text->up);
     return 1;
   }
 
@@ -189,10 +181,10 @@ int linelist_load(char *filename)
       lst->line->data[len-1] = 0;
       lst->line->len--;
     }
-    if (text == 0) text = lst;
+    if (TT.text == 0) TT.text = lst;
   }
 
-  if (text) dlist_terminate(text->up);
+  if (TT.text) dlist_terminate(TT.text->up);
 
   fclose(fp);
   return 1;
@@ -201,7 +193,7 @@ int linelist_load(char *filename)
 
 int vi_yy(char reg, int count0, int count1)
 {
-  struct linelist *pos = c_r;
+  struct linelist *pos = TT.c_r;
   int col = TT.cur_col;
   TT.cur_col = 0;
   TT.vi_mov_flag |= 0x4;
@@ -210,13 +202,13 @@ int vi_yy(char reg, int count0, int count1)
 
   vi_yank(reg, pos, 0, 0);
 
-  TT.cur_col = col, c_r = pos;
+  TT.cur_col = col, TT.c_r = pos;
   return 1;
 }
 
 int vi_dd(char reg, int count0, int count1)
 {
-  struct linelist *pos = c_r;
+  struct linelist *pos = TT.c_r;
   TT.cur_col = 0;
   TT.vi_mov_flag |= 0x4;
   if (count0>1) cur_down(count0-1, 1, 0);
@@ -230,12 +222,12 @@ static int vi_x(char reg, int count0, int count1)
 {
   char *last = 0, *cpos = 0, *start = 0;
   int len = 0;
-  struct linelist *pos = c_r;
+  struct linelist *pos = TT.c_r;
   int col = TT.cur_col;
-  if (!c_r) return 0;
+  if (!TT.c_r) return 0;
 
-  start = c_r->line->data;
-  len = c_r->line->len;
+  start = TT.c_r->line->data;
+  len = TT.c_r->line->len;
 
   last = utf8_last(start, len);
   cpos = start+TT.cur_col;
@@ -262,35 +254,35 @@ int vi_movw(int count0, int count1, char* unused)
   const char *empties = " \t\n\r";
   const char *specials = ",.=-+*/(){}<>[]";
 //  char *current = 0;
-  if (!c_r)
+  if (!TT.c_r)
     return 0;
-  if (TT.cur_col == c_r->line->len-1 || !c_r->line->len)
+  if (TT.cur_col == TT.c_r->line->len-1 || !TT.c_r->line->len)
     goto next_line;
-  if (strchr(empties, c_r->line->data[TT.cur_col]))
+  if (strchr(empties, TT.c_r->line->data[TT.cur_col]))
     goto find_non_empty;
-  if (strchr(specials, c_r->line->data[TT.cur_col])) {
-    for (;strchr(specials, c_r->line->data[TT.cur_col]); ) {
+  if (strchr(specials, TT.c_r->line->data[TT.cur_col])) {
+    for (;strchr(specials, TT.c_r->line->data[TT.cur_col]); ) {
       TT.cur_col++;
-      if (TT.cur_col == c_r->line->len-1)
+      if (TT.cur_col == TT.c_r->line->len-1)
         goto next_line;
     }
-  } else for (;!strchr(specials, c_r->line->data[TT.cur_col]) &&
-      !strchr(empties, c_r->line->data[TT.cur_col]);) {
+  } else for (;!strchr(specials, TT.c_r->line->data[TT.cur_col]) &&
+      !strchr(empties, TT.c_r->line->data[TT.cur_col]);) {
       TT.cur_col++;
-      if (TT.cur_col == c_r->line->len-1)
+      if (TT.cur_col == TT.c_r->line->len-1)
         goto next_line;
   }
 
-  for (;strchr(empties, c_r->line->data[TT.cur_col]); ) {
+  for (;strchr(empties, TT.c_r->line->data[TT.cur_col]); ) {
     TT.cur_col++;
 find_non_empty:
-    if (TT.cur_col == c_r->line->len-1) {
+    if (TT.cur_col == TT.c_r->line->len-1) {
 next_line:
       //we could call j and g0
-      if (!c_r->down) return 0;
-      c_r = c_r->down;
+      if (!TT.c_r->down) return 0;
+      TT.c_r = TT.c_r->down;
       TT.cur_col = 0;
-      if (!c_r->line->len) break;
+      if (!TT.c_r->line->len) break;
     }
   }
   count--;
@@ -304,21 +296,21 @@ next_line:
 static int vi_movb(int count0, int count1, char* unused)
 {
   int count = count0*count1;
-  if (!c_r)
+  if (!TT.c_r)
     return 0;
   if (!TT.cur_col) {
-      if (!c_r->up) return 0;
-      c_r = c_r->up;
-      TT.cur_col = (c_r->line->len) ? c_r->line->len-1 : 0;
+      if (!TT.c_r->up) return 0;
+      TT.c_r = TT.c_r->up;
+      TT.cur_col = (TT.c_r->line->len) ? TT.c_r->line->len-1 : 0;
       goto exit_function;
   }
   if (TT.cur_col)
       TT.cur_col--;
-  while (c_r->line->data[TT.cur_col] <= ' ') {
+  while (TT.c_r->line->data[TT.cur_col] <= ' ') {
     if (TT.cur_col) TT.cur_col--;
     else goto exit_function;
   }
-  while (c_r->line->data[TT.cur_col] > ' ') {
+  while (TT.c_r->line->data[TT.cur_col] > ' ') {
     if (TT.cur_col)TT.cur_col--;
     else goto exit_function;
   }
@@ -335,13 +327,13 @@ exit_function:
 static int vi_move(int count0, int count1, char *unused)
 {
   int count = count0*count1;
-  if (!c_r)
+  if (!TT.c_r)
     return 0;
-  if (TT.cur_col < c_r->line->len)
+  if (TT.cur_col < TT.c_r->line->len)
     TT.cur_col++;
-  if (c_r->line->data[TT.cur_col] <= ' ' || count > 1)
+  if (TT.c_r->line->data[TT.cur_col] <= ' ' || count > 1)
     vi_movw(count, 1, 0); //find next word;
-  while (c_r->line->data[TT.cur_col] > ' ')
+  while (TT.c_r->line->data[TT.cur_col] > ' ')
     TT.cur_col++;
   if (TT.cur_col) TT.cur_col--;
 
@@ -353,27 +345,27 @@ static int vi_move(int count0, int count1, char *unused)
 
 static void i_insert(char* str, int len)
 {
-  char *t = xzalloc(c_r->line->alloc);
-  char *s = c_r->line->data;
-  int sel = c_r->line->len-TT.cur_col;
+  char *t = xzalloc(TT.c_r->line->alloc);
+  char *s = TT.c_r->line->data;
+  int sel = TT.c_r->line->len-TT.cur_col;
   strncpy(t, &s[TT.cur_col], sel);
   t[sel+1] = 0;
-  if (c_r->line->alloc < c_r->line->len+len+5) {
-    c_r->line->data = xrealloc(c_r->line->data,
-      (c_r->line->alloc+len)<<1);
+  if (TT.c_r->line->alloc < TT.c_r->line->len+len+5) {
+    TT.c_r->line->data = xrealloc(TT.c_r->line->data,
+      (TT.c_r->line->alloc+len)<<1);
 
-    c_r->line->alloc = (c_r->line->alloc+len)<<1;
-    memset(&c_r->line->data[c_r->line->len], 0,
-        c_r->line->alloc-c_r->line->len);
+    TT.c_r->line->alloc = (TT.c_r->line->alloc+len)<<1;
+    memset(&TT.c_r->line->data[TT.c_r->line->len], 0,
+        TT.c_r->line->alloc-TT.c_r->line->len);
 
-    s = c_r->line->data;
+    s = TT.c_r->line->data;
   }
   strncpy(&s[TT.cur_col], str, len);
   strcpy(&s[TT.cur_col+len], t);
   TT.cur_col += len;
   if (TT.cur_col) TT.cur_col--;
 
-  c_r->line->len += len;
+  TT.c_r->line->len += len;
   free(t);
 
   TT.vi_mov_flag |= 0x30000000;
@@ -384,28 +376,28 @@ void i_split()
 {
   int alloc = 0, len = 0, idx = 0;
   struct str_line *l = xmalloc(sizeof(struct str_line));
-  alloc = c_r->line->alloc;
+  alloc = TT.c_r->line->alloc;
 
-  if (TT.cur_col) len = c_r->line->len-TT.cur_col-1;
-  else len = c_r->line->len;
+  if (TT.cur_col) len = TT.c_r->line->len-TT.cur_col-1;
+  else len = TT.c_r->line->len;
   if (len < 0) len = 0;
 
   l->data = xzalloc(alloc);
   l->alloc = alloc;
   l->len = len;
-  idx = c_r->line->len - len;
+  idx = TT.c_r->line->len - len;
 
-  strncpy(l->data, &c_r->line->data[idx], len);
+  strncpy(l->data, &TT.c_r->line->data[idx], len);
   memset(&l->data[len], 0, alloc-len);
 
-  c_r->line->len -= len;
-  if (c_r->line->len <= 0) c_r->line->len = 0;
+  TT.c_r->line->len -= len;
+  if (TT.c_r->line->len <= 0) TT.c_r->line->len = 0;
 
-  len = c_r->line->len;
+  len = TT.c_r->line->len;
 
-  memset(&c_r->line->data[len], 0, alloc-len);
-  c_r = (struct linelist*)dlist_insert((struct double_list**)&c_r, (char*)l);
-  c_r->line = l;
+  memset(&TT.c_r->line->data[len], 0, alloc-len);
+  TT.c_r = (struct linelist*)dlist_insert((struct double_list**)&TT.c_r, (char*)l);
+  TT.c_r->line = l;
   TT.cur_col = 0;
 }
 
@@ -420,11 +412,11 @@ static int vi_zero(int count0, int count1, char *unused)
 static int vi_eol(int count0, int count1, char *unused)
 {
   int count = count0*count1;
-  for (;count > 1 && c_r->down; count--)
-    c_r = c_r->down;
+  for (;count > 1 && TT.c_r->down; count--)
+    TT.c_r = TT.c_r->down;
 
-  if (c_r && c_r->line->len)
-    TT.cur_col = c_r->line->len-1;
+  if (TT.c_r && TT.c_r->line->len)
+    TT.cur_col = TT.c_r->line->len-1;
   TT.vi_mov_flag |= 2;
   check_cursor_bounds();
   return 1;
@@ -433,14 +425,14 @@ static int vi_eol(int count0, int count1, char *unused)
 //TODO check register where to push from
 static int vi_push(char reg, int count0, int count1)
 {
-  char *start = yank.data, *end = yank.data+strlen(yank.data);
-  struct linelist *cursor = c_r;
+  char *start = TT.yank.data, *end = TT.yank.data+strlen(TT.yank.data);
+  struct linelist *cursor = TT.c_r;
   int col = TT.cur_col;
   //insert into new lines
   if (*(end-1) == '\n') for (;start != end;) {
     TT.vi_mov_flag |= 0x10000000;
     char *next = strchr(start, '\n');
-    TT.cur_col = (c_r->line->len) ? c_r->line->len-1: 0;
+    TT.cur_col = (TT.c_r->line->len) ? TT.c_r->line->len-1: 0;
     i_split();
     if (next) {
       i_insert(start, next-start);
@@ -463,7 +455,7 @@ static int vi_push(char reg, int count0, int count1)
   }
   //if row changes during push original cursor position is kept
   //vi inconsistancy
-  if (c_r != cursor) c_r = cursor, TT.cur_col = col;
+  if (TT.c_r != cursor) TT.c_r = cursor, TT.cur_col = col;
 
   return 1;
 }
@@ -471,11 +463,11 @@ static int vi_push(char reg, int count0, int count1)
 static int vi_find_c(int count0, int count1, char *symbol)
 {
   int count = count0*count1;
-  if (c_r && c_r->line->len) {
+  if (TT.c_r && TT.c_r->line->len) {
     while (count--) {
-        char* pos = strstr(&c_r->line->data[TT.cur_col], symbol);
+        char* pos = strstr(&TT.c_r->line->data[TT.cur_col], symbol);
         if (pos) {
-          TT.cur_col = pos-c_r->line->data;
+          TT.cur_col = pos-TT.c_r->line->data;
           return 1;
         }
     }
@@ -493,10 +485,10 @@ static int vi_find_cb(int count0, int count1, char *symbol)
 static int vi_go(int count0, int count1, char *symbol)
 {
   int prev_row = TT.cur_row;
-  c_r = text;
+  TT.c_r = TT.text;
 
-  if (TT.vi_mov_flag&0x40000000) for (;c_r && c_r->down; c_r = c_r->down);
-  else for (;c_r && c_r->down && --count0; c_r = c_r->down);
+  if (TT.vi_mov_flag&0x40000000) for (;TT.c_r && TT.c_r->down; TT.c_r = TT.c_r->down);
+  else for (;TT.c_r && TT.c_r->down && --count0; TT.c_r = TT.c_r->down);
 
   TT.cur_col = 0;
   check_cursor_bounds();  //adjusts cursor column
@@ -505,7 +497,6 @@ static int vi_go(int count0, int count1, char *symbol)
   return 1;
 }
 
-//need to refactor when implementing yank buffers
 static int vi_delete(char reg, struct linelist *row, int col, int flags)
 {
   struct linelist *start = 0, *end = 0;
@@ -514,51 +505,62 @@ static int vi_delete(char reg, struct linelist *row, int col, int flags)
   vi_yank(reg, row, col, flags);
 
   if (TT.vi_mov_flag&0x80000000) {
-    start = c_r, end = row;
+    start = TT.c_r, end = row;
     col_s = TT.cur_col, col_e = col;
   } else {
-    start = row, end = c_r;
+    start = row, end = TT.c_r;
     col_s = col, col_e = TT.cur_col;
   }
-  if (start == end) goto last_line_delete;
-  if (!col_s) goto full_line_delete;
-
-  memset(start->line->data+col_s, 0, start->line->len-col_s);
-  row->line->len = col_s;
-  col_s = 0;
-  start = start->down;
-
-full_line_delete:
-  TT.vi_mov_flag |= 0x10000000;
-  for (;start != end;) {
-    struct linelist* lst = start;
-    //struct linelist *lst = dlist_pop(&start);
-    start = start->down;
-    if (lst->down) lst->down->up = lst->up;
-    if (lst->up) lst->up->down = lst->down;
-    if (screen == lst) screen = lst->down ? lst->down : lst->up;
-    if (text == lst) text = lst->down;
-    free(lst->line->data);
-    free(lst->line);
-    free(lst);
+  if (TT.vi_mov_flag&2) {
+    int len, width;
+    char *s = end->line->data;
+    len = utf8_lnw(&width, s+col_e, strlen(s+col_e));
+    for (;;) {
+      col_e += len;
+      len = utf8_lnw(&width, s+col_e, strlen(s+col_e));
+      if (len<1 || width || !(*(s+col_e))) break;
+    }
   }
-last_line_delete:
+  if (start != end) { //goto last_line_delete;
+    if (col_s) {
+      memset(start->line->data+col_s, 0, start->line->len-col_s);
+      row->line->len = col_s;
+      col_s = 0;
+      start = start->down;
+    }
+  //full_line_delete:
+    TT.vi_mov_flag |= 0x10000000;
+    for (;start != end;) {
+      struct linelist *lst = start;
+      start = start->down;
+      lst = dlist_pop(&lst);
+      if (TT.screen == lst) TT.screen = start;
+      if (TT.text == lst) TT.text = start;
+      free(lst->line->data);
+      free(lst->line);
+      free(lst);
+    }
+  }
+//last_line_delete:
   TT.vi_mov_flag |= 0x10000000;
-  if (TT.vi_mov_flag&2) col_e = start->line->len;
+  //if (TT.vi_mov_flag&2) col_e = start->line->len;
   if (TT.vi_mov_flag&4) {
     if (!end->down && !end->up)
       col_e = start->line->len;
     else {
+      struct linelist *lst = 0;
       col_e = 0, col_s = 0;
-      if (end->down) end->down->up = end->up;
-      if (end->up) end->up->down = end->down;
-      if (screen == end) screen = end->down ? end->down : end->up;
-      //if (text == end) text = end->down;
-      start = end->down ? end->down : end->up;
-      free(end->line->data);
-      free(end->line);
-      free(end);
-
+      if (!start->down) lst = dlist_pop(&start);
+      else {
+        lst = start;
+        start = start->down;
+        lst = dlist_pop(&lst);
+      }
+      if (TT.screen == lst) TT.screen = start;
+      if (TT.text == lst) TT.text = start;
+      free(lst->line->data);
+      free(lst->line);
+      free(lst);
     }
   }
   if (col_s < col_e) {
@@ -568,7 +570,7 @@ last_line_delete:
     memset(start->line->data+bytes, 0, start->line->len-bytes);
     start->line->len = bytes;
   }
-  c_r = start;
+  TT.c_r = start;
   TT.cur_col = col_s;
   return 1;
 }
@@ -576,13 +578,13 @@ last_line_delete:
 static int vi_D(char reg, int count0, int count1)
 {
   int prev_col = TT.cur_col;
-  struct linelist *pos = c_r;
+  struct linelist *pos = TT.c_r;
   if (!count0) return 1;
   vi_eol(1, 1, 0);
   vi_delete(reg, pos, prev_col, 0);
   count0--;
-  if (count0 && c_r->down) {
-    c_r = c_r->down;
+  if (count0 && TT.c_r->down) {
+    TT.c_r = TT.c_r->down;
     vi_dd(reg, count0, 1);
   }
   check_cursor_bounds();
@@ -592,34 +594,34 @@ static int vi_D(char reg, int count0, int count1)
 static int vi_join(char reg, int count0, int count1)
 {
   while (count0--) {
-    if (c_r && c_r->down) {
-      int size = c_r->line->len+c_r->down->line->len;
-      if (size > c_r->line->alloc) {
-        if (size > c_r->down->line->alloc) {
-          c_r->line->data = xrealloc(c_r->line->data,
-            c_r->line->alloc*2+il->alloc*2);
-          memmove(&c_r->line->data[c_r->line->len],
-              c_r->down->line->data,c_r->down->line->len);
-          c_r->line->len = size;
-          c_r = c_r->down;
-          c_r->line->alloc = c_r->line->alloc*2+2*il->alloc;
+    if (TT.c_r && TT.c_r->down) {
+      int size = TT.c_r->line->len+TT.c_r->down->line->len;
+      if (size > TT.c_r->line->alloc) {
+        if (size > TT.c_r->down->line->alloc) {
+          TT.c_r->line->data = xrealloc(TT.c_r->line->data,
+            TT.c_r->line->alloc*2+TT.il->alloc*2);
+          memmove(&TT.c_r->line->data[TT.c_r->line->len],
+              TT.c_r->down->line->data,TT.c_r->down->line->len);
+          TT.c_r->line->len = size;
+          TT.c_r = TT.c_r->down;
+          TT.c_r->line->alloc = TT.c_r->line->alloc*2+2*TT.il->alloc;
           vi_dd(0,1,1);
         } else {
-          memmove(&c_r->down->line->data[c_r->line->len],
-              c_r->down->line->data,c_r->down->line->len);
-          memmove(c_r->down->line->data,c_r->line->data,
-              c_r->line->len);
-          c_r->down->line->len = size;
+          memmove(&TT.c_r->down->line->data[TT.c_r->line->len],
+              TT.c_r->down->line->data,TT.c_r->down->line->len);
+          memmove(TT.c_r->down->line->data,TT.c_r->line->data,
+              TT.c_r->line->len);
+          TT.c_r->down->line->len = size;
           vi_dd(0,1,1);
         }
       } else {
-          memmove(&c_r->line->data[c_r->line->len],
-              c_r->down->line->data,c_r->down->line->len);
-          c_r->line->len = size;
-          c_r = c_r->down;
+          memmove(&TT.c_r->line->data[TT.c_r->line->len],
+              TT.c_r->down->line->data,TT.c_r->down->line->len);
+          TT.c_r->line->len = size;
+          TT.c_r = TT.c_r->down;
           vi_dd(0,1,1);
       }
-      c_r = c_r->up;
+      TT.c_r = TT.c_r->up;
 
     }
   }
@@ -646,45 +648,45 @@ static int vi_yank(char reg, struct linelist *row, int col, int flags)
   struct linelist *start = 0, *end = 0;
   int col_s = 0, col_e = 0, bytes = 0;
 
-  memset(yank.data, 0, yank.alloc);
+  memset(TT.yank.data, 0, TT.yank.alloc);
   if (TT.vi_mov_flag&0x80000000) {
-    start = c_r, end = row;
+    start = TT.c_r, end = row;
     col_s = TT.cur_col, col_e = col;
   } else {
-    start = row, end = c_r;
+    start = row, end = TT.c_r;
     col_s = col, col_e = TT.cur_col;
   }
   if (start == end) goto last_line_yank;
   if (!col_s) goto full_line_yank;
 
-  if (yank.alloc < start->line->alloc) {
-    yank.data = xrealloc(yank.data, start->line->alloc*2);
-    yank.alloc = start->line->alloc*2;
+  if (TT.yank.alloc < start->line->alloc) {
+    TT.yank.data = xrealloc(TT.yank.data, start->line->alloc*2);
+    TT.yank.alloc = start->line->alloc*2;
   }
 
-  sprintf(yank.data, "%s\n", start->line->data+col_s);
+  sprintf(TT.yank.data, "%s\n", start->line->data+col_s);
   col_s = 0;
   start = start->down;
 
 full_line_yank:
   for (;start != end;) {
-    while (yank.alloc-1 < strlen(yank.data)+start->line->len)
-      yank.data = xrealloc(yank.data, yank.alloc*2), yank.alloc *= 2;
+    while (TT.yank.alloc-1 < strlen(TT.yank.data)+start->line->len)
+      TT.yank.data = xrealloc(TT.yank.data, TT.yank.alloc*2), TT.yank.alloc *= 2;
 
 
-    sprintf(yank.data+strlen(yank.data), "%s\n", start->line->data);
+    sprintf(TT.yank.data+strlen(TT.yank.data), "%s\n", start->line->data);
     start = start->down;
   }
 last_line_yank:
-  while (yank.alloc-1 < strlen(yank.data)+end->line->len)
-    yank.data = xrealloc(yank.data, yank.alloc*2), yank.alloc *= 2;
+  while (TT.yank.alloc-1 < strlen(TT.yank.data)+end->line->len)
+    TT.yank.data = xrealloc(TT.yank.data, TT.yank.alloc*2), TT.yank.alloc *= 2;
 
   if (TT.vi_mov_flag & 0x4)
-    sprintf(yank.data+strlen(yank.data), "%s\n", start->line->data);
+    sprintf(TT.yank.data+strlen(TT.yank.data), "%s\n", start->line->data);
   else {
-    bytes = strlen(yank.data)+col_e-col_s;
-    strncpy(yank.data+strlen(yank.data), end->line->data+col_s, col_e-col_s);
-    yank.data[bytes] = 0;
+    bytes = strlen(TT.yank.data)+col_e-col_s;
+    strncpy(TT.yank.data+strlen(TT.yank.data), end->line->data+col_s, col_e-col_s);
+    TT.yank.data[bytes] = 0;
   }
   return 1;
 }
@@ -810,7 +812,7 @@ int run_vi_cmd(char *cmd)
   }
   if (vi_mov) {
     int prev_col = TT.cur_col;
-    struct linelist *pos = c_r;
+    struct linelist *pos = TT.c_r;
     if (vi_mov(TT.count0, TT.count1, cmd)) {
       if (vi_cmd) return (vi_cmd(TT.vi_reg, pos, prev_col, TT.vi_mov_flag));
       else return 1;
@@ -821,8 +823,8 @@ int run_vi_cmd(char *cmd)
 
 static int search_str(char *s)
 {
-  struct linelist *lst = c_r;
-  char *c = strstr(&c_r->line->data[TT.cur_col+1], s);
+  struct linelist *lst = TT.c_r;
+  char *c = strstr(&TT.c_r->line->data[TT.cur_col+1], s);
 
   if (TT.last_search != s) {
     free(TT.last_search);
@@ -830,14 +832,14 @@ static int search_str(char *s)
   }
 
   if (c) {
-    TT.cur_col = c-c_r->line->data;
+    TT.cur_col = c-TT.c_r->line->data;
   } else for (; !c;) {
     lst = lst->down;
     if (!lst) return 1;
     c = strstr(lst->line->data, s);
   }
-  c_r = lst;
-  TT.cur_col = c-c_r->line->data;
+  TT.c_r = lst;
+  TT.cur_col = c-TT.c_r->line->data;
   check_cursor_bounds();
   return 0;
 }
@@ -884,21 +886,21 @@ void vi_main(void)
   char utf8_code[8] = {0};
   int utf8_dec_p = 0, vi_buf_pos = 0;
 
-  il = xzalloc(sizeof(struct str_line));
-  il->data = xzalloc(80);
-  yank.data = xzalloc(128);
+  TT.il = xzalloc(sizeof(struct str_line));
+  TT.il->data = xzalloc(80);
+  TT.yank.data = xzalloc(128);
 
-  il->alloc = 80, yank.alloc = 128;
+  TT.il->alloc = 80, TT.yank.alloc = 128;
 
   linelist_load(0);
-  screen = c_r = text;
+  TT.screen = TT.c_r = TT.text;
 
   TT.vi_mov_flag = 0x20000000;
   TT.vi_mode = 1, TT.tabstop = 8;
   TT.screen_width = 80, TT.screen_height = 24;
 
   terminal_size(&TT.screen_width, &TT.screen_height);
-  TT.screen_height -= 2; //TODO this is hack fix visual alignment
+  TT.screen_height -= 1;
 
   set_terminal(0, 1, 0, 0);
   //writes stdout into different xterm buffer so when we exit
@@ -915,7 +917,7 @@ void vi_main(void)
     if (key == -1) goto cleanup_vi;
 
     terminal_size(&TT.screen_width, &TT.screen_height);
-    TT.screen_height -= 2; //TODO this is hack fix visual alignment
+    TT.screen_height -= 1; //TODO this is hack fix visual alignment
 
     // TODO: support cursor keys in ex mode too.
     if (TT.vi_mode && key>=256) {
@@ -934,14 +936,14 @@ void vi_main(void)
         case '?':
         case ':':
           TT.vi_mode = 0;
-          il->data[0]=key;
-          il->len++;
+          TT.il->data[0]=key;
+          TT.il->len++;
           break;
         case 'A':
           vi_eol(1, 1, 0);
           // FALLTHROUGH
         case 'a':
-          if (c_r && c_r->line->len) TT.cur_col++;
+          if (TT.c_r && TT.c_r->line->len) TT.cur_col++;
           // FALLTHROUGH
         case 'i':
           TT.vi_mode = 2;
@@ -971,69 +973,69 @@ void vi_main(void)
       switch (key) {
         case 0x7F:
         case 0x08:
-          if (il->len > 1) {
-            il->data[--il->len] = 0;
+          if (TT.il->len > 1) {
+            TT.il->data[--TT.il->len] = 0;
             break;
           }
           // FALLTHROUGH
         case 27:
           TT.vi_mode = 1;
-          il->len = 0;
-          memset(il->data, 0, il->alloc);
+          TT.il->len = 0;
+          memset(TT.il->data, 0, TT.il->alloc);
           break;
         case 0x0D:
-          if (run_ex_cmd(il->data) == -1)
+          if (run_ex_cmd(TT.il->data) == -1)
             goto cleanup_vi;
           TT.vi_mode = 1;
-          il->len = 0;
-          memset(il->data, 0, il->alloc);
+          TT.il->len = 0;
+          memset(TT.il->data, 0, TT.il->alloc);
           break;
         default: //add chars to ex command until ENTER
           if (key >= 0x20 && key < 0x7F) { //might be utf?
-            if (il->len == il->alloc) {
-              il->data = realloc(il->data, il->alloc*2);
-              il->alloc *= 2;
+            if (TT.il->len == TT.il->alloc) {
+              TT.il->data = realloc(TT.il->data, TT.il->alloc*2);
+              TT.il->alloc *= 2;
             }
-            il->data[il->len] = key;
-            il->len++;
+            TT.il->data[TT.il->len] = key;
+            TT.il->len++;
           }
           break;
       }
     } else if (TT.vi_mode == 2) {//INSERT MODE
       switch (key) {
         case 27:
-          i_insert(il->data, il->len);
+          i_insert(TT.il->data, TT.il->len);
           TT.vi_mode = 1;
-          il->len = 0;
-          memset(il->data, 0, il->alloc);
+          TT.il->len = 0;
+          memset(TT.il->data, 0, TT.il->alloc);
           break;
         case 0x7F:
         case 0x08:
-          if (il->len) {
-            char *last = utf8_last(il->data, il->len);
+          if (TT.il->len) {
+            char *last = utf8_last(TT.il->data, TT.il->len);
             int shrink = strlen(last);
             memset(last, 0, shrink);
-            il->len -= shrink;
+            TT.il->len -= shrink;
           }
           break;
         case 0x0D:
           //insert newline
           //
-          i_insert(il->data, il->len);
-          il->len = 0;
-          memset(il->data, 0, il->alloc);
+          i_insert(TT.il->data, TT.il->len);
+          TT.il->len = 0;
+          memset(TT.il->data, 0, TT.il->alloc);
           i_split();
           break;
         default:
           if ((key >= 0x20 || key == 0x09) &&
               utf8_dec(key, utf8_code, &utf8_dec_p)) {
 
-            if (il->len+utf8_dec_p+1 >= il->alloc) {
-              il->data = realloc(il->data, il->alloc*2);
-              il->alloc *= 2;
+            if (TT.il->len+utf8_dec_p+1 >= TT.il->alloc) {
+              TT.il->data = realloc(TT.il->data, TT.il->alloc*2);
+              TT.il->alloc *= 2;
             }
-            strcpy(il->data+il->len, utf8_code);
-            il->len += utf8_dec_p;
+            strcpy(TT.il->data+TT.il->len, utf8_code);
+            TT.il->len += utf8_dec_p;
             utf8_dec_p = 0;
             *utf8_code = 0;
 
@@ -1047,7 +1049,7 @@ void vi_main(void)
   }
 cleanup_vi:
   linelist_unload();
-  free(il->data), free(il), free(yank.data);
+  free(TT.il->data), free(TT.il), free(TT.yank.data);
   tty_reset();
   tty_esc("?1049l");
 }
@@ -1109,10 +1111,9 @@ static void draw_page()
   struct linelist *scr_buf = 0;
   unsigned y = 0;
   int x = 0;
-  wchar_t wc;
 
   char *line = 0, *end = 0;
-  int utf_l = 0,  bytes = 0;
+  int bytes = 0;
 
   //screen coordinates for cursor
   int cy_scr = 0, cx_scr = 0;
@@ -1123,7 +1124,7 @@ static void draw_page()
   int scroll = 0, redraw = 0;
 
   adjust_screen_buffer();
-  scr_buf = screen;
+  scr_buf = TT.screen;
   redraw = (TT.vi_mov_flag & 0x30000000)>>28;
 
   scroll = TT.drawn_row-TT.scr_row;
@@ -1137,7 +1138,7 @@ static void draw_page()
 
   //jump until cursor
   for (; y < TT.screen_height; y++ ) {
-    if (scr_buf == c_r) break;
+    if (scr_buf == TT.c_r) break;
     scr_buf = scr_buf->down;
   }
   //draw cursor row
@@ -1154,8 +1155,8 @@ static void draw_page()
   aw = crunch_nstr(&end, 1024, bytes, 0, "\t", vi_crunch);
 
   //if we need to render text that is not inserted to buffer yet
-  if (TT.vi_mode == 2 && il->len) {
-    char* iend = il->data; //input end
+  if (TT.vi_mode == 2 && TT.il->len) {
+    char* iend = TT.il->data; //input end
     x = 0;
     //find insert end position
     iw = crunch_str(&iend, 1024, 0, "\t", vi_crunch);
@@ -1164,12 +1165,12 @@ static void draw_page()
     //if clipped area is bigger than text before insert
     if (clip > aw) {
       clip -= aw;
-      iend = il->data;
+      iend = TT.il->data;
 
       iw -= crunch_str(&iend, clip, 0, "\t", vi_crunch);
       x = crunch_str(&iend, iw, stdout, "\t", vi_crunch);
     } else {
-      iend = il->data;
+      iend = TT.il->data;
       end = line;
 
       //if clipped area is substring from cursor row start
@@ -1202,14 +1203,14 @@ static void draw_page()
 
   //start drawing all other rows that needs update
   ///////////////////////////////////////////////////////////////////
-  y = 0, scr_buf = screen;
+  y = 0, scr_buf = TT.screen;
 
   //if we moved around in long line might need to redraw everything
   if (clip != TT.drawn_col) redraw = 3;
 
   for (; y < TT.screen_height; y++ ) {
     int draw_line = 0;
-    if (scr_buf == c_r) {
+    if (scr_buf == TT.c_r) {
       scr_buf = scr_buf->down;
       continue;
     } else if (redraw) draw_line++;
@@ -1243,29 +1244,13 @@ static void draw_page()
   tty_jump(0, TT.screen_height);
   tty_esc("2K");
   if (TT.vi_mode == 2) printf("\x1b[1m-- INSERT --\x1b[m");
-
-  //DEBUG
-  utf_l=utf8towc(&wc, &c_r->line->data[TT.cur_col], c_r->line->len-TT.cur_col);
-  if (utf_l > 1) {
-    char t[5] = {0, 0, 0, 0, 0};
-    strncpy(t, &c_r->line->data[TT.cur_col], utf_l);
-    printf(" (utf: %d %s)", utf_l, t);
-  }
-  //DEBUG
+  if (!TT.vi_mode) printf("\x1b[1m%s \x1b[m",TT.il->data);
 
   tty_jump(TT.screen_width-12, TT.screen_height);
   printf("%d,%d", TT.cur_row+1, TT.cur_col+1);
   if (TT.cur_col != cx_scr) printf("-%d", cx_scr+1);
-  putchar('\n');
 
-  tty_esc("m");
-  tty_jump(0, TT.screen_height+1);
-  tty_esc("2K");
-  if (!TT.vi_mode) {
-    tty_esc("1m");
-    printf("%s", il->data);
-    tty_esc("m");
-  } else tty_jump(cx_scr, cy_scr);
+  if (TT.vi_mode) tty_jump(cx_scr, cy_scr);
 
   xflush(1);
 
@@ -1273,35 +1258,35 @@ static void draw_page()
 
 static void check_cursor_bounds()
 {
-  if (c_r->line->len == 0) {
+  if (TT.c_r->line->len == 0) {
     TT.cur_col = 0;
     return;
-  } else if (c_r->line->len-1 < TT.cur_col) TT.cur_col = c_r->line->len-1;
+  } else if (TT.c_r->line->len-1 < TT.cur_col) TT.cur_col = TT.c_r->line->len-1;
 
-  if (TT.cur_col && utf8_width(&c_r->line->data[TT.cur_col],
-        c_r->line->len-TT.cur_col) <= 0)
+  if (TT.cur_col && utf8_width(&TT.c_r->line->data[TT.cur_col],
+        TT.c_r->line->len-TT.cur_col) <= 0)
     TT.cur_col--, check_cursor_bounds();
 }
 
 static void adjust_screen_buffer()
 {
   //search cursor and screen
-  struct linelist *t = text;
+  struct linelist *t = TT.text;
   int c = -1, s = -1, i = 0;
   //searching cursor and screen line numbers
   for (;((c == -1) || (s == -1)) && t != 0; i++, t = t->down) {
-    if (t == c_r) c = i;
-    if (t == screen) s = i;
+    if (t == TT.c_r) c = i;
+    if (t == TT.screen) s = i;
   }
   //adjust screen buffer so cursor is on drawing area
-  if (c <= s) screen = c_r, s = c; //scroll up
+  if (c <= s) TT.screen = TT.c_r, s = c; //scroll up
   else {
     //drawing does not have wrapping so no need to check width
     int distance = c-s+1;
 
     if (distance > (int)TT.screen_height) {
       int adj = distance-TT.screen_height;
-      for (;adj; adj--) screen = screen->down, s++; //scroll down
+      for (;adj; adj--) TT.screen = TT.screen->down, s++; //scroll down
 
     }
   }
@@ -1392,15 +1377,15 @@ static int cur_right(int count0, int count1, char* unused)
 {
   int count = count0*count1;
   for (;count--;) {
-    if (c_r->line->len <= 1) return 1;
-    if (TT.cur_col >= c_r->line->len-1) {
-      TT.cur_col = utf8_last(c_r->line->data, c_r->line->len)
-        - c_r->line->data;
+    if (TT.c_r->line->len <= 1) return 1;
+    if (TT.cur_col >= TT.c_r->line->len-1) {
+      TT.cur_col = utf8_last(TT.c_r->line->data, TT.c_r->line->len)
+        - TT.c_r->line->data;
       return 1;
     }
     TT.cur_col++;
-    if (utf8_width(&c_r->line->data[TT.cur_col],
-          c_r->line->len-TT.cur_col) <= 0)
+    if (utf8_width(&TT.c_r->line->data[TT.cur_col],
+          TT.c_r->line->len-TT.cur_col) <= 0)
       cur_right(1, 1, 0);
   }
   return 1;
@@ -1409,8 +1394,8 @@ static int cur_right(int count0, int count1, char* unused)
 static int cur_up(int count0, int count1, char* unused)
 {
   int count = count0*count1;
-  for (;count-- && c_r->up;)
-    c_r = c_r->up;
+  for (;count-- && TT.c_r->up;)
+    TT.c_r = TT.c_r->up;
 
   TT.vi_mov_flag |= 0x80000000;
   check_cursor_bounds();
@@ -1420,8 +1405,8 @@ static int cur_up(int count0, int count1, char* unused)
 static int cur_down(int count0, int count1, char* unused)
 {
   int count = count0*count1;
-  for (;count-- && c_r->down;)
-    c_r = c_r->down;
+  for (;count-- && TT.c_r->down;)
+    TT.c_r = TT.c_r->down;
 
   check_cursor_bounds();
   return 1;
-- 
cgit v1.2.3