shithub: orca

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Add copy/paste

--- a/tui_main.c

+++ b/tui_main.c

@@ -630,6 +630,7 @@

 typedef struct {

   Field field;

   Field scratch_field;

+  Field clipboard_field;

   Markmap_reusable markmap_r;

   Bank bank;

   Undo_history undo_hist;

@@ -662,6 +663,7 @@

 void app_init(App_state* a) {

   field_init(&a->field);

   field_init(&a->scratch_field);

+  field_init(&a->clipboard_field);

   markmap_reusable_init(&a->markmap_r);

   bank_init(&a->bank);

   undo_history_init(&a->undo_hist);

@@ -695,6 +697,7 @@

 void app_deinit(App_state* a) {

   field_deinit(&a->field);

   field_deinit(&a->scratch_field);

+  field_deinit(&a->clipboard_field);

   markmap_reusable_deinit(&a->markmap_r);

   bank_deinit(&a->bank);

   undo_history_deinit(&a->undo_hist);

@@ -1217,9 +1220,48 @@

     a->draw_event_list = !a->draw_event_list;

     a->is_draw_dirty = true;

     break;

-  case App_input_cmd_copy:

-  case App_input_cmd_paste:

-    break;

+  case App_input_cmd_copy: {

+    Usz curs_y = a->tui_cursor.y;

+    Usz curs_x = a->tui_cursor.x;

+    Usz curs_h = a->tui_cursor.h;

+    Usz curs_w = a->tui_cursor.w;

+    Usz field_h = a->field.height;

+    Usz field_w = a->field.width;

+    Field* cb_field = &a->clipboard_field;

+    if (curs_y >= field_h || curs_x >= field_w)

+      break;

+    if (field_h - curs_y < curs_h)

+      curs_h = field_h - curs_y;

+    if (field_w - curs_x < curs_w)

+      curs_w = field_w - curs_x;

+    field_resize_raw_if_necessary(cb_field, curs_h, curs_w);

+    gbuffer_copy_subrect(a->field.buffer, cb_field->buffer, field_h, field_w,

+                         curs_h, curs_w, curs_y, curs_x, 0, 0, curs_h, curs_w);

+  } break;

+  case App_input_cmd_paste: {

+    Usz field_h = a->field.height;

+    Usz field_w = a->field.width;

+    Usz curs_y = a->tui_cursor.y;

+    Usz curs_x = a->tui_cursor.x;

+    if (curs_y >= field_h || curs_x >= field_w)

+      break;

+    Field* cb_field = &a->clipboard_field;

+    Usz cbfield_h = cb_field->height;

+    Usz cbfield_w = cb_field->width;

+    Usz cpy_h = cbfield_h;

+    Usz cpy_w = cbfield_w;

+    if (field_h - curs_y < cpy_h)

+      cpy_h = field_h - curs_y;

+    if (field_w - curs_x < cpy_w)

+      cpy_w = field_w - curs_x;

+    if (cpy_h == 0 || cpy_w == 0)

+      break;

+    undo_history_push(&a->undo_hist, &a->field, a->tick_num);

+    gbuffer_copy_subrect(cb_field->buffer, a->field.buffer, cbfield_h, cbfield_w,

+                         field_h, field_w, 0, 0, curs_y, curs_x, cpy_h, cpy_w);

+    a->needs_remarking = true;

+    a->is_draw_dirty = true;

+  } break;

   }

 }

@@ -1552,6 +1594,12 @@

     } break;

     case AND_CTRL('e'):

       app_input_cmd(&app_state, App_input_cmd_toggle_show_event_list);

+      break;

+    case AND_CTRL('c'):

+      app_input_cmd(&app_state, App_input_cmd_copy);

+      break;

+    case AND_CTRL('v'):

+      app_input_cmd(&app_state, App_input_cmd_paste);

       break;

     case ' ':

       app_input_cmd(&app_state, App_input_cmd_toggle_play_pause);