Changeset f1b37d6 in mainline

Timestamp:

2009-12-05T17:13:33Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

cedd33b

Parents:

2a5af223

Message:

Make paste more efficient.

File:

• uspace/app/bdsh/input.c (modified) (5 diffs)

uspace/app/bdsh/input.c

@@ -39 +39 @@
 #include <vfs/vfs.h>
 #include <clipboard.h>
+#include <macros.h>
 #include <errno.h>
 #include <assert.h>
@@ -86 +87 @@
 
 static char *tinput_read(tinput_t *ti);
+static void tinput_insert_string(tinput_t *ti, const char *str);
 static void tinput_sel_get_bounds(tinput_t *ti, int *sa, int *sb);
 static bool tinput_sel_active(tinput_t *ti);
@@ -245 +247 @@
 }
 
+static void tinput_insert_string(tinput_t *ti, const char *str)
+{
+        int i;
+        int new_width, new_height;
+        int ilen;
+        wchar_t c;
+        size_t off;
+
+        ilen = min(str_length(str), INPUT_MAX - ti->nc);
+        if (ilen == 0)
+                return;
+
+        new_width = ti->col0 + ti->nc + ilen;
+        new_height = (new_width / ti->con_cols) + 1;
+        if (new_height >= ti->con_rows)
+                return; /* Disallow text longer than 1 page for now. */
+
+        for (i = ti->nc - 1; i >= ti->pos; --i)
+                ti->buffer[i + ilen] = ti->buffer[i];
+
+        off = 0; i = 0;
+        while (i < ilen) {
+                c = str_decode(str, &off, STR_NO_LIMIT);
+                if (c == '\0')
+                        break;
+
+                /* Filter out non-printable chars. */
+                if (c < 32)
+                        c = 32;
+
+                ti->buffer[i++] = c;
+        }
+
+        ti->pos += ilen;
+        ti->nc += ilen;
+        ti->buffer[ti->nc] = '\0';
+        ti->sel_start = ti->pos;
+
+        tinput_display_tail(ti, ti->pos - ilen, 0);
+        tinput_update_origin(ti);
+        tinput_position_caret(ti);
+}
+
 static void tinput_backspace(tinput_t *ti)
 {
@@ -484 +529 @@
 {
         char *str;
-        size_t off;
-        wchar_t c;
         int rc;
 
@@ -492 +535 @@
                 return; /* TODO: Give the user some warning. */
 
-        off = 0;
-
-        while (true) {
-                c = str_decode(str, &off, STR_NO_LIMIT);
-                if (c == '\0')
-                        break;
-
-                tinput_insert_char(ti, c);
-        }
-
+        tinput_insert_string(ti, str);
         free(str);
 }