don't reparse buffer on every keystroke

src/core/core.odin

@@ -188,7 +188,7 @@ yank_selection :: proc(state: ^State, buffer: ^FileBuffer) {
 }
 
 paste_register :: proc(state: ^State, register: Register, buffer: ^FileBuffer) {
-    insert_content(buffer, register.data)
+    insert_content(buffer, register.data, reparse_buffer = true)
     move_cursor_left(buffer)
 }
 

src/core/file_buffer.odin

@@ -982,7 +982,7 @@ scroll_file_buffer :: proc(buffer: ^FileBuffer, dir: ScrollDir, cursor: Maybe(^C
     }
 }
 
-insert_content :: proc(buffer: ^FileBuffer, to_be_inserted: []u8) {
+insert_content :: proc(buffer: ^FileBuffer, to_be_inserted: []u8, reparse_buffer: bool = false) {
     if len(to_be_inserted) == 0 {
         return;
     }
@@ -995,10 +995,12 @@ insert_content :: proc(buffer: ^FileBuffer, to_be_inserted: []u8) {
     update_file_buffer_index_from_cursor(buffer);
     move_cursor_right(buffer, false, amt = len(to_be_inserted));
 
-    ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    if reparse_buffer {
+        ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    }
 }
 
-delete_content_from_buffer_cursor :: proc(buffer: ^FileBuffer, amount: int) {
+delete_content_from_buffer_cursor :: proc(buffer: ^FileBuffer, amount: int, reparse_buffer: bool = false) {
     buffer.flags += { .UnsavedChanges }
 
     // Calculate proper line/col values
@@ -1010,10 +1012,12 @@ delete_content_from_buffer_cursor :: proc(buffer: ^FileBuffer, amount: int) {
     buffer.history.cursor.line = it.cursor.line
     buffer.history.cursor.col = it.cursor.col
 
-    ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    if reparse_buffer {
+        ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    }
 }
 
-delete_content_from_selection :: proc(buffer: ^FileBuffer, selection: ^Selection) {
+delete_content_from_selection :: proc(buffer: ^FileBuffer, selection: ^Selection, reparse_buffer: bool = false) {
     buffer.flags += { .UnsavedChanges }
 
     selection^ = swap_selections(selection^)
@@ -1028,7 +1032,9 @@ delete_content_from_selection :: proc(buffer: ^FileBuffer, selection: ^Selection
         move_cursor_left(buffer)
     }
 
-    ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    if reparse_buffer {
+        ts.parse_buffer(&buffer.tree, tree_sitter_file_buffer_input(buffer))
+    }
 }
 
 delete_content :: proc{delete_content_from_buffer_cursor, delete_content_from_selection};
@@ -1043,10 +1049,11 @@ get_buffer_indent :: proc(buffer: ^FileBuffer, cursor: Maybe(Cursor) = nil) -> i
     ptr_cursor := &cursor.?
 
     move_cursor_start_of_line(buffer, ptr_cursor)
-    move_cursor_forward_end_of_word(buffer, ptr_cursor)
-    move_cursor_backward_start_of_word(buffer, ptr_cursor)
 
-    return cursor.?.col
+    it := new_file_buffer_iter_with_cursor(buffer, ptr_cursor^);
+    iterate_file_buffer_until(&it, until_non_whitespace)
+
+    return it.cursor.col
 }
 
 buffer_to_string :: proc(buffer: ^FileBuffer, allocator := context.allocator) -> string {

src/main.odin

@@ -431,6 +431,8 @@ main :: proc() {
                                         core.move_cursor_left(buffer)
 
                                         sdl2.StopTextInput();
+
+                                        ts.parse_buffer(&buffer.tree, core.tree_sitter_file_buffer_input(buffer))
                                     }
                                     case .TAB: {
                                         // TODO: change this to insert a tab character

src/panels/file_buffer.odin

@@ -200,7 +200,7 @@ file_buffer_delete_actions :: proc(input_map: ^core.InputActions) {
         core.move_cursor_start_of_line(buffer, cursor = &sel_cur.start);
         core.move_cursor_end_of_line(buffer, cursor = &sel_cur.end, stop_at_end = false);
 
-        core.delete_content_from_selection(buffer, sel_cur)
+        core.delete_content_from_selection(buffer, sel_cur, reparse_buffer = true)
 
         buffer.selection = nil;
         core.reset_input_map(state)
@@ -451,7 +451,7 @@ file_buffer_visual_actions :: proc(input_map: ^core.InputActions) {
             if state.yank_register.whole_line {
                 core.insert_content(buffer, []u8{'\n'});
                 core.paste_register(state, state.yank_register, buffer)
-                core.insert_content(buffer, []u8{'\n'});
+                core.insert_content(buffer, []u8{'\n'}, reparse_buffer = true);
             } else {
                 core.paste_register(state, state.yank_register, buffer)
             }

src/panels/grep.odin

@@ -183,7 +183,7 @@ make_grep_panel :: proc() -> core.Panel {
                                 max_results := container_height / 16
 
                                 for result, i in panel_state.query_results {
-                                    if i > max_results {
+                                    if i >= max_results {
                                         break
                                     }
 
@@ -204,8 +204,14 @@ make_grep_panel :: proc() -> core.Panel {
                                             style.background_color = .Background2
                                         }
 
-                                        ui.open_element(s, result.file_path[len(state.directory):], {}, style)
+                                        if len(result.file_path) > 0 {
-                                        ui.close_element(s)
+                                            ui.open_element(s, result.file_path[len(state.directory):], {}, style)
+                                            ui.close_element(s)
+                                        } else {
+                                            style.background_color = .BrightRed
+                                            ui.open_element(s, "BAD FILE DIRECTORY", {}, style)
+                                            ui.close_element(s)
+                                        }
                                     }
                                 }
                             }

todo.md

@@ -1,12 +1,13 @@
 # Bugs
 - Fix jumping forward a word jumping past consecutive brackets
-- Odd scrolling behavior on small screen heights
+- Scrolling past end/beginning of grep results panics
-- Scrolling past end/beginning of results panics
+- "change selection" not pushing snapshot
+- Don't allow panel navigation in grep panel
 
 # Visual QOL
 - Split grep search results into a table to avoid funky unaligned text
 
-# Planned Features
+# TODO
 - [ ] Jump List
 - [x] Use grouped lifetimes exclusively for memory allocation/freeing
 - [ ] Highlight which panel is currently active
@@ -16,7 +17,6 @@
     - [ ] Finish writing tests for all current user actions
 - Vim-like Macro replays
 - [ ] Simple File Search (vim /)
-- [ ] Auto-indent
 - Modify input system to allow for keybinds that take input
     - Vim's f and F movement commands
     - Vim's r command
@@ -29,26 +29,34 @@
         - [ ] In-line errors
     - [ ] Go-to Definition/
     - [ ] Find references
-- Re-implement lost features from Plugins
+- [ ] Integrate tree-sitter
-    - [ ] Integrate tree-sitter
+    - [x] Syntax Highlighting
-        - [x] Syntax Highlighting
+    - [ ] Auto Setup Parsers
-        - [ ] Auto Setup Parsers
+        - [ ] Download parser
-            - [ ] Download parser
+        - [ ] Compile/"Install"
-            - [ ] Compile/"Install"
+    - [ ] Auto-indent
-        - [ ] Auto-indent?
+        - [x] Infer indent with similar lines
-    - [ ] Bootleg Telescope
+        - [x] Infer indent with C-style scopes (languages using '{')
-        - [ ] Grepping Files
+        - [ ] Infer indent inside multi-line function calls (again C-style)
-            - [x] Query across project
+        - [ ] Somehow use tree-sitter to be language agnostic (not sure this is even possible with TS)
-            - [x] Open file in new buffer
+- [ ] Bootleg Telescope
-            - [x] Open file in new buffer at found location
+    - [ ] Grepping Files
-            - [ ] Preview file with context
+        - [x] Query across project
-                - [x] Show Context
+        - [x] Open file in new buffer
-                - [ ] Properly show lines numbers
+        - [x] Open file in new buffer at found location
-                - [ ] Don't overlap result list with file preview
+        - [ ] Preview file with context
-        - [ ] Open Buffer Search
+            - [x] Show Context
+            - [ ] Properly show lines numbers
+            - [ ] Don't overlap result list with file preview
+    - [ ] Open Buffer Search
+    - [ ] Workspace file search
 - Re-write the UI (again)
     - [x] New UI
     - [ ] Styling
+        - [x] Background colors
+        - [x] Borders + Border Color
+        - [ ] Rounded corners?
+        - [ ] Gradients?
 - Undo/Redo
     - [x] Basic/Naive Undo/Redo
     - [ ] Interface for undo-able actions