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Makefile

@@ -0,0 +1,8 @@
+# The main all target
+default_target: all
+.PHONY : default_target
+
+all:
+	@cmake --build /home/tyrel/CLionProjects/editor/cmake-build-debug --target tted -- -j 6
+	@mv cmake-build-debug/tted .
+

tted.c

@@ -64,7 +64,7 @@ struct editorConfig E;
 /** prototypes */
 void editorSetStatusMessage(const char *fmt, ...);
 void editorRefreshScreen();
-char *editorPrompt(char *prompt);
+char *editorPrompt(char *prompt, void (*callback)(char *, int));
 
 /** terminal */
 void die(const char *s) {
@@ -186,7 +186,7 @@ int getWindowSize(int *rows, int *cols) {
     }
 }
 
-/** Row operations */
+/** row operations */
 int editorRowCxToRx(erow *row, int cx) {
     int rx = 0;
     int j;
@@ -198,6 +198,19 @@ int editorRowCxToRx(erow *row, int cx) {
     }
     return rx;
 }
+int editorRowRxToCx(erow *row, int rx) {
+    int cur_rx = 0;
+    int cx;
+    for (cx = 0; cx < row->size; cx++) {
+      if(row->chars[cx] == '\t'){
+        cur_rx += (TTED_TAB_STOP - 1) - (cur_rx % TTED_TAB_STOP);
+      }
+      cur_rx++;
+
+      if (cur_rx > rx) return cx;
+    }
+    return cx;
+}
 
 void editorUpdateRow(erow *row) {
     int tabs = 0;
@@ -344,9 +357,31 @@ char *editorRowsToString(int *buflen) {
     return buf;
 }
 
+
+void editorOpen(char *filename) {
+    free(E.filename);
+    E.filename = strdup(filename);
+    FILE *fp = fopen(filename, "r");
+    if (!fp) die("fopen");
+
+    char *line = NULL;
+    size_t linecap = 0;
+    ssize_t linelen;
+    while ((linelen = getline(&line, &linecap, fp)) != -1) {
+        while (linelen > 0 && (line[linelen - 1] == '\n' ||
+                               line[linelen - 1] == '\r'))
+            linelen--;
+        editorInsertRow(E.numrows, line, linelen);
+    }
+    free(line);
+    fclose(fp);
+    E.dirty = 0;
+
+}
+
 void editorSave() {
     if (E.filename == NULL) {
-      E.filename = editorPrompt("Save as: %s (ESC to cancel)");
+      E.filename = editorPrompt("Save as: %s (ESC to cancel)", NULL);
       if (E.filename == NULL) {
         editorSetStatusMessage("Save aborted");
         return;
@@ -371,29 +406,70 @@ void editorSave() {
     }
     free(buf);
 }
+/** find */
 
+void editorFindCallback(char *query, int key) {
+  static int last_match = -1;
+  static int direction = 1;
 
-void editorOpen(char *filename) {
-    free(E.filename);
-    E.filename = strdup(filename);
-    FILE *fp = fopen(filename, "r");
-    if (!fp) die("fopen");
-
-    char *line = NULL;
-    size_t linecap = 0;
-    ssize_t linelen;
-    while ((linelen = getline(&line, &linecap, fp)) != -1) {
-        while (linelen > 0 && (line[linelen - 1] == '\n' ||
-                               line[linelen - 1] == '\r'))
-            linelen--;
-        editorInsertRow(E.numrows, line, linelen);
+  if (key== '\r' || key == '\x1b') {
+      last_match = -1;
+      direction = 1;
+      return;
+  } else if (key == ARROW_RIGHT || key == ARROW_DOWN){
+      direction = 1;
+  } else if (key == ARROW_LEFT || key == ARROW_UP){
+      direction = -1;
+  } else {
+      last_match = -1;
+      direction = 0;
   }
-    free(line);
-    fclose(fp);
-    E.dirty = 0;
 
+
+  if (last_match == -1) direction = 1;
+  int current = last_match;
+
+
+  int i;
+  for (i=0; i < E.numrows; i++){
+    current += direction;
+    if (current == -1) { 
+        current = E.numrows -1;
+    } else if (current == E.numrows){
+        current = 0;
     }
 
+    erow *row = &E.row[current];
+    char *match = strstr(row->render, query);
+    if(match){
+      last_match = current;
+      E.cy = current;
+      E.cx = editorRowCxToRx(row, match - row->render);
+      E.rowoff = E.numrows;
+      break;
+    }
+  }
+}
+
+void editorFind() {
+  int saved_cx = E.cx;
+  int saved_cy = E.cy;
+  int saved_coloff = E.coloff;
+  int saved_rowoff = E.rowoff;
+
+  char *query = editorPrompt("Find: %s (Use ESC/Arrows/Enter)", editorFindCallback);
+
+  if(query){
+    free(query);
+  } else {
+    E.cx=saved_cx;
+    E.cy=saved_cy;
+    E.coloff=saved_coloff;
+    E.rowoff=saved_rowoff;
+  }
+}
+
+
 
 /** append buffer */
 struct abuf {
@@ -532,7 +608,7 @@ void editorSetStatusMessage(const char *fmt, ...) {
 
 
 /** input */
-char *editorPrompt(char *prompt){
+char *editorPrompt(char *prompt, void(*callback)(char *, int)){
     size_t bufsize = 128;
     char *buf = malloc(bufsize);
 
@@ -547,11 +623,13 @@ char *editorPrompt(char *prompt){
           if (buflen != 0) buf[--buflen] = '\0';
         } else if (c == '\x1b'){
           editorSetStatusMessage("");
+          if (callback) callback(buf, c);
           free(buf);
           return NULL;
         } else if (c == '\r') {
             if (buflen != 0){
                 editorSetStatusMessage("");
+          if (callback) callback(buf, c);
                 return buf;
             }
         } else if (!iscntrl(c) && c < 128){
@@ -562,6 +640,8 @@ char *editorPrompt(char *prompt){
             buf[buflen++] = c;
             buf[buflen] = '\0';
         }
+
+        if (callback) callback(buf, c);
     }
 }
 
@@ -639,6 +719,10 @@ void editorProcessKeypress() {
             }
             break;
 
+        case CTRL_KEY('f'):
+            editorFind();
+            break;
+
         case BACKSPACE:
         case CTRL_KEY('h'):
         case DEL_KEY:
@@ -704,7 +788,7 @@ int main(int argc, char *argv[]) {
         editorOpen(argv[1]);
     }
 
-    editorSetStatusMessage("HELP: Ctrl-Q = quit; Ctrl-S = save;");
+    editorSetStatusMessage("HELP: Ctrl-Q = quit; Ctrl-S = save; Ctrl-f = find");
 
     while (1) {
         editorRefreshScreen();