Changeset 884b461 in mainline

Timestamp:

2009-09-16T21:09:07Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

743e17b

Parents:

c29f20b

Message:

Optimize redraw upon character deletion.

File:

• uspace/app/edit/edit.c (modified) (6 diffs)

uspace/app/edit/edit.c

@@ -208 +208 @@
         case KC_ENTER:
                 insert_char('\n');
-                pane.rflags |= REDRAW_TEXT;
                 caret_update();
                 break;
@@ -237 +236 @@
         case KC_BACKSPACE:
                 delete_char_before();
-                pane.rflags |= REDRAW_TEXT;
                 caret_update();
                 break;
         case KC_DELETE:
                 delete_char_after();
-                pane.rflags |= REDRAW_TEXT;
                 caret_update();
                 break;
@@ -248 +245 @@
                 if (ev->c >= 32 || ev->c == '\t') {
                         insert_char(ev->c);
-                        pane.rflags |= REDRAW_ROW;
                         caret_update();
                 }
@@ -513 +509 @@
 
         (void) sheet_insert(&doc.sh, &pt, dir_before, cbuf);
+
+        pane.rflags |= REDRAW_ROW;
+        if (c == '\n')
+                pane.rflags |= REDRAW_TEXT;
 }
 
@@ -528 +528 @@
 
         (void) sheet_delete(&doc.sh, &sp, &ep);
+
+        pane.rflags |= REDRAW_ROW;
+        if (coord.column < 1)
+                pane.rflags |= REDRAW_TEXT;
 }
 
@@ -534 +538 @@
 {
         spt_t sp, ep;
-        coord_t coord;
+        coord_t sc, ec;
 
         tag_get_pt(&pane.caret_pos, &sp);
-        spt_get_coord(&sp, &coord);
-
-        sheet_get_cell_pt(&doc.sh, &coord, dir_after, &ep);
+        spt_get_coord(&sp, &sc);
+
+        sheet_get_cell_pt(&doc.sh, &sc, dir_after, &ep);
+        spt_get_coord(&ep, &ec);
 
         (void) sheet_delete(&doc.sh, &sp, &ep);
+
+        pane.rflags |= REDRAW_ROW;
+        if (ec.row != sc.row)
+                pane.rflags |= REDRAW_TEXT;
 }