shithub: orca

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Add start of bracketed paste support

--- a/tui_main.c

+++ b/tui_main.c

@@ -2447,11 +2447,17 @@

     mouseinterval(0);

   }

+  printf("\033[?2004h\n"); // Ask terminal to use bracketed paste.

+

   WINDOW* cont_window = NULL;

   int key = KEY_RESIZE;

   wtimeout(stdscr, 0);

   int cur_timeout = 0;

+  Usz bracketed_paste_starting_y = 0, bracketed_paste_starting_x = 0;

+  bool is_in_bracketed_paste = false;

+  bool bracketed_paste_went_off_right_edge = false;

+  bool bracketed_paste_went_off_bottom_edge = false;

   // Send initial BPM

   send_num_message(ged_state.oosc_dev, "/orca/bpm", (I32)ged_state.bpm);

@@ -2862,6 +2868,8 @@

       break;

     case '\r':

     case KEY_ENTER:

+      if (is_in_bracketed_paste)

+        goto newline_in_bracketed_paste;

       // Currently unused. Formerly was the toggle for insert/append mode.

       break;

     case CTRL_PLUS('i'):

@@ -2896,6 +2904,8 @@

       ged_input_cmd(&ged_state, Ged_input_cmd_toggle_selresize_mode);

       break;

     case ' ':

+      if (is_in_bracketed_paste)

+        goto key_input_in_bracketed_paste;

       if (ged_state.input_mode == Ged_input_mode_append) {

         ged_input_character(&ged_state, '.');

       } else {

@@ -2902,9 +2912,58 @@

         ged_input_cmd(&ged_state, Ged_input_cmd_toggle_play_pause);

       }

       break;

-    case 27: // Escape

+    case 27: { // Escape

+      // Check for escape sequences we're interested in that ncurses didn't

+      // handle.

+      int esc1 = wgetch(stdscr);

+      if (esc1 == '[') {

+        int esc2 = wgetch(stdscr);

+        if (esc2 == '2') {

+          int esc3 = wgetch(stdscr);

+          if (esc3 == '0') {

+            int esc4 = wgetch(stdscr);

+            // Start or end of bracketed paste

+            if (esc4 == '0' || esc4 == '1') {

+              int esc5 = wgetch(stdscr);

+              if (esc5 == '~') {

+                switch (esc4) {

+                case '0': // Enter bracketed paste

+                  if (!is_in_bracketed_paste) {

+                    is_in_bracketed_paste = true;

+                    bracketed_paste_went_off_right_edge = false;

+                    bracketed_paste_went_off_bottom_edge = false;

+                    undo_history_push(&ged_state.undo_hist, &ged_state.field,

+                                      ged_state.tick_num);

+                    bracketed_paste_starting_y = ged_state.ged_cursor.y;

+                    bracketed_paste_starting_x = ged_state.ged_cursor.x;

+                  }

+                  goto finished_escape_sequence;

+                case '1': // End bracketed paste

+                  if (is_in_bracketed_paste) {

+                    is_in_bracketed_paste = false;

+                    ged_state.ged_cursor.y = bracketed_paste_starting_y;

+                    ged_state.ged_cursor.x = bracketed_paste_starting_x;

+                    ged_cursor_confine(&ged_state.ged_cursor,

+                                       ged_state.field.height,

+                                       ged_state.field.width);

+                    ged_state.needs_remarking = true;

+                    ged_state.is_draw_dirty = true;

+                  }

+                  goto finished_escape_sequence;

+                }

+              }

+              ungetch(esc5);

+            }

+            ungetch(esc4);

+          }

+          ungetch(esc3);

+        }

+        ungetch(esc2);

+      }

+      ungetch(esc1);

       ged_input_cmd(&ged_state, Ged_input_cmd_escape);

-      break;

+    finished_escape_sequence:;

+    } break;

     // Selection size modification. These may not work in all terminals. (Only

     // tested in xterm so far.)

@@ -2980,6 +3039,41 @@

       break;

     default:

+      if (is_in_bracketed_paste) {

+      key_input_in_bracketed_paste:

+        if (key >= CHAR_MIN && key <= CHAR_MAX) {

+          if ((char)key == '\n') {

+          newline_in_bracketed_paste:

+            if (bracketed_paste_went_off_bottom_edge)

+              break;

+            bracketed_paste_went_off_right_edge = false;

+            ged_state.ged_cursor.x = bracketed_paste_starting_x;

+            ++ged_state.ged_cursor.y; // TODO overflow check

+            if (ged_state.ged_cursor.y >= ged_state.field.height)

+              bracketed_paste_went_off_bottom_edge = true;

+            ged_cursor_confine(&ged_state.ged_cursor, ged_state.field.height,

+                               ged_state.field.width);

+            break;

+          }

+          if (bracketed_paste_went_off_right_edge ||

+              bracketed_paste_went_off_bottom_edge)

+            break;

+          if (key != ' ') {

+            char cleaned = (char)key;

+            if (!is_valid_glyph((Glyph)key))

+              cleaned = '.';

+            gbuffer_poke(ged_state.field.buffer, ged_state.field.height,

+                         ged_state.field.width, ged_state.ged_cursor.y,

+                         ged_state.ged_cursor.x, cleaned);

+          }

+          ++ged_state.ged_cursor.x; // TODO overflow check

+          if (ged_state.ged_cursor.x >= ged_state.field.width)

+            bracketed_paste_went_off_right_edge = true;

+          ged_cursor_confine(&ged_state.ged_cursor, ged_state.field.height,

+                             ged_state.field.width);

+        }

+        break;

+      }

       if (key >= CHAR_MIN && key <= CHAR_MAX && is_valid_glyph((Glyph)key)) {

         ged_input_character(&ged_state, (char)key);

       }

@@ -3003,6 +3097,7 @@

   if (cont_window) {

     delwin(cont_window);

   }

+  printf("\033[?2004h\n"); // Tell terminal to not use bracketed paste

   endwin();

   ged_deinit(&ged_state);

   heapstr_deinit(&file_name);