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