import dearpygui.dearpygui as dpg from openpilot.tools.jotpluggler.data import DataManager from openpilot.tools.jotpluggler.views import TimeSeriesPanel GRIP_SIZE = 4 MIN_PANE_SIZE = 60 class PlotLayoutManager: def __init__(self, data_manager: DataManager, playback_manager, worker_manager, scale: float = 1.0): self.data_manager = data_manager self.playback_manager = playback_manager self.worker_manager = worker_manager self.scale = scale self.container_tag = "plot_layout_container" self.active_panels: list = [] initial_panel = TimeSeriesPanel(data_manager, playback_manager, worker_manager) self.layout: dict = {"type": "panel", "panel": initial_panel} def create_ui(self, parent_tag: str): if dpg.does_item_exist(self.container_tag): dpg.delete_item(self.container_tag) with dpg.child_window(tag=self.container_tag, parent=parent_tag, border=False, width=-1, height=-1, no_scrollbar=True): container_width, container_height = dpg.get_item_rect_size(self.container_tag) self._create_ui_recursive(self.layout, self.container_tag, [], container_width, container_height) def _create_ui_recursive(self, layout: dict, parent_tag: str, path: list[int], width: int, height: int): if layout["type"] == "panel": self._create_panel_ui(layout, parent_tag, path) else: self._create_split_ui(layout, parent_tag, path, width, height) def _create_panel_ui(self, layout: dict, parent_tag: str, path: list[int]): panel_tag = self._path_to_tag(path, "panel") panel = layout["panel"] self.active_panels.append(panel) with dpg.child_window(tag=panel_tag, parent=parent_tag, border=True, width=-1, height=-1, no_scrollbar=True): with dpg.group(horizontal=True): dpg.add_input_text(default_value=panel.title, width=int(100 * self.scale), callback=lambda s, v: setattr(panel, "title", v)) dpg.add_combo(items=["Time Series"], default_value="Time Series", width=int(100 * self.scale)) dpg.add_button(label="Clear", callback=lambda: self.clear_panel(panel), width=int(40 * self.scale)) dpg.add_button(label="Delete", callback=lambda: self.delete_panel(path), width=int(40 * self.scale)) dpg.add_button(label="Split H", callback=lambda: self.split_panel(path, 0), width=int(40 * self.scale)) dpg.add_button(label="Split V", callback=lambda: self.split_panel(path, 1), width=int(40 * self.scale)) dpg.add_separator() content_tag = self._path_to_tag(path, "content") with dpg.child_window(tag=content_tag, border=False, height=-1, width=-1, no_scrollbar=True): panel.create_ui(content_tag) def _create_split_ui(self, layout: dict, parent_tag: str, path: list[int], width: int, height: int): split_tag = self._path_to_tag(path, "split") orientation = layout["orientation"] min_pane_size = int(MIN_PANE_SIZE * self.scale) grip_size = int(GRIP_SIZE * self.scale) num_grips = len(layout["children"]) - 1 with dpg.group(tag=split_tag, parent=parent_tag, horizontal=orientation == 0): for i, (child_layout, proportion) in enumerate(zip(layout["children"], layout["proportions"], strict=True)): child_path = path + [i] container_tag = self._path_to_tag(child_path, "container") size = [width, height] # pass through since get_item_rect_size is unavailable until rendered fill_size = [-1, -1] # fill up to the border upon resize calculated_size = max(min_pane_size, int((size[orientation] - (num_grips * grip_size)) * proportion)) size[orientation] = fill_size[orientation] = calculated_size with dpg.child_window(tag=container_tag, width=fill_size[0], height=fill_size[1], border=False, no_scrollbar=True): self._create_ui_recursive(child_layout, container_tag, child_path, size[0], size[1]) if i < len(layout["children"]) - 1: # Add grip between panes (except after the last pane) self._create_grip(split_tag, path, i, orientation) def clear_panel(self, panel): panel.clear() def delete_panel(self, panel_path: list[int]): if not panel_path: # Root deletion old_panel = self.layout["panel"] old_panel.destroy_ui() self.active_panels.remove(old_panel) new_panel = TimeSeriesPanel(self.data_manager, self.playback_manager, self.worker_manager) self.layout = {"type": "panel", "panel": new_panel} self._rebuild_ui_at_path([]) return parent, child_index = self._get_parent_and_index(panel_path) layout_to_delete = parent["children"][child_index] self._cleanup_ui_recursive(layout_to_delete, panel_path) parent["children"].pop(child_index) parent["proportions"].pop(child_index) if len(parent["children"]) == 1: # remove parent and collapse remaining_child = parent["children"][0] if len(panel_path) == 1: # parent is at root level - promote remaining child to root self.layout = remaining_child self._rebuild_ui_at_path([]) else: # replace parent with remaining child in grandparent grandparent_path = panel_path[:-2] parent_index = panel_path[-2] self._replace_layout_at_path(grandparent_path + [parent_index], remaining_child) self._rebuild_ui_at_path(grandparent_path + [parent_index]) else: # redistribute proportions equal_prop = 1.0 / len(parent["children"]) parent["proportions"] = [equal_prop] * len(parent["children"]) self._rebuild_ui_at_path(panel_path[:-1]) def split_panel(self, panel_path: list[int], orientation: int): current_layout = self._get_layout_at_path(panel_path) existing_panel = current_layout["panel"] new_panel = TimeSeriesPanel(self.data_manager, self.playback_manager, self.worker_manager) parent, child_index = self._get_parent_and_index(panel_path) if parent is None: # Root split self.layout = { "type": "split", "orientation": orientation, "children": [{"type": "panel", "panel": existing_panel}, {"type": "panel", "panel": new_panel}], "proportions": [0.5, 0.5], } self._rebuild_ui_at_path([]) elif parent["type"] == "split" and parent["orientation"] == orientation: # Same orientation - insert into existing split parent["children"].insert(child_index + 1, {"type": "panel", "panel": new_panel}) parent["proportions"] = [1.0 / len(parent["children"])] * len(parent["children"]) self._rebuild_ui_at_path(panel_path[:-1]) else: # Different orientation - create new split level new_split = {"type": "split", "orientation": orientation, "children": [current_layout, {"type": "panel", "panel": new_panel}], "proportions": [0.5, 0.5]} self._replace_layout_at_path(panel_path, new_split) self._rebuild_ui_at_path(panel_path) def _rebuild_ui_at_path(self, path: list[int]): layout = self._get_layout_at_path(path) if path: container_tag = self._path_to_tag(path, "container") else: # Root update container_tag = self.container_tag self._cleanup_ui_recursive(layout, path) dpg.delete_item(container_tag, children_only=True) width, height = dpg.get_item_rect_size(container_tag) self._create_ui_recursive(layout, container_tag, path, width, height) def _cleanup_ui_recursive(self, layout: dict, path: list[int]): if layout["type"] == "panel": panel = layout["panel"] panel.destroy_ui() if panel in self.active_panels: self.active_panels.remove(panel) else: for i in range(len(layout["children"]) - 1): handler_tag = f"{self._path_to_tag(path, f'grip_{i}')}_handler" if dpg.does_item_exist(handler_tag): dpg.delete_item(handler_tag) for i, child in enumerate(layout["children"]): self._cleanup_ui_recursive(child, path + [i]) def update_all_panels(self): for panel in self.active_panels: panel.update() def on_viewport_resize(self): self._resize_splits_recursive(self.layout, []) def _resize_splits_recursive(self, layout: dict, path: list[int]): if layout["type"] == "split": split_tag = self._path_to_tag(path, "split") if dpg.does_item_exist(split_tag): parent_tag = dpg.get_item_parent(split_tag) grip_size = int(GRIP_SIZE * self.scale) min_pane_size = int(MIN_PANE_SIZE * self.scale) num_grips = len(layout["children"]) - 1 orientation = layout["orientation"] available_sizes = dpg.get_item_rect_size(parent_tag) size_properties = ("width", "height") for i, proportion in enumerate(layout["proportions"]): child_path = path + [i] container_tag = self._path_to_tag(child_path, "container") if dpg.does_item_exist(container_tag): new_size = max(min_pane_size, int((available_sizes[orientation] - (num_grips * grip_size)) * proportion)) dpg.configure_item(container_tag, **{size_properties[orientation]: new_size}) self._resize_splits_recursive(layout["children"][i], child_path) def _get_layout_at_path(self, path: list[int]) -> dict: current = self.layout for index in path: current = current["children"][index] return current def _get_parent_and_index(self, path: list[int]) -> tuple: return (None, -1) if not path else (self._get_layout_at_path(path[:-1]), path[-1]) def _replace_layout_at_path(self, path: list[int], new_layout: dict): if not path: self.layout = new_layout else: parent, index = self._get_parent_and_index(path) parent["children"][index] = new_layout def _path_to_tag(self, path: list[int], prefix: str = "") -> str: path_str = "_".join(map(str, path)) if path else "root" return f"{prefix}_{path_str}" if prefix else path_str def _create_grip(self, parent_tag: str, path: list[int], grip_index: int, orientation: int): grip_tag = self._path_to_tag(path, f"grip_{grip_index}") grip_size = int(GRIP_SIZE * self.scale) width = grip_size if orientation == 0 else -1 height = grip_size if orientation == 1 else -1 with dpg.child_window(tag=grip_tag, parent=parent_tag, width=width, height=height, no_scrollbar=True, border=False): button_tag = dpg.add_button(label="", width=-1, height=-1) with dpg.item_handler_registry(tag=f"{grip_tag}_handler"): user_data = (path, grip_index, orientation) dpg.add_item_active_handler(callback=self._on_grip_drag, user_data=user_data) dpg.add_item_deactivated_handler(callback=self._on_grip_end, user_data=user_data) dpg.bind_item_handler_registry(button_tag, f"{grip_tag}_handler") def _on_grip_drag(self, sender, app_data, user_data): path, grip_index, orientation = user_data layout = self._get_layout_at_path(path) if "_drag_data" not in layout: layout["_drag_data"] = {"initial_proportions": layout["proportions"][:], "start_mouse": dpg.get_mouse_pos(local=False)[orientation]} return drag_data = layout["_drag_data"] current_coord = dpg.get_mouse_pos(local=False)[orientation] delta = current_coord - drag_data["start_mouse"] split_tag = self._path_to_tag(path, "split") if not dpg.does_item_exist(split_tag): return total_size = dpg.get_item_rect_size(split_tag)[orientation] num_grips = len(layout["children"]) - 1 usable_size = max(100, total_size - (num_grips * int(GRIP_SIZE * self.scale))) delta_prop = delta / usable_size left_idx = grip_index right_idx = left_idx + 1 initial = drag_data["initial_proportions"] min_prop = int(MIN_PANE_SIZE * self.scale) / usable_size new_left = max(min_prop, initial[left_idx] + delta_prop) new_right = max(min_prop, initial[right_idx] - delta_prop) total_available = initial[left_idx] + initial[right_idx] if new_left + new_right > total_available: if new_left > new_right: new_left = total_available - new_right else: new_right = total_available - new_left layout["proportions"] = initial[:] layout["proportions"][left_idx] = new_left layout["proportions"][right_idx] = new_right self._resize_splits_recursive(layout, path) def _on_grip_end(self, sender, app_data, user_data): path, _, _ = user_data self._get_layout_at_path(path).pop("_drag_data", None)