pygui: added support for a details pane, can be toggled on/off, can be used to quickly view details for nodes or links

daemon/core/gui/app.py

@@ -3,7 +3,7 @@ import math
 import tkinter as tk
 from tkinter import PhotoImage, font, ttk
 from tkinter.ttk import Progressbar
-from typing import Dict, Optional
+from typing import Any, Dict, Optional, Type
 
 import grpc
 
@@ -11,11 +11,14 @@ from core.gui import appconfig, themes
 from core.gui.appconfig import GuiConfig
 from core.gui.coreclient import CoreClient
 from core.gui.dialogs.error import ErrorDialog
+from core.gui.frames.base import InfoFrameBase
+from core.gui.frames.default import DefaultInfoFrame
 from core.gui.graph.graph import CanvasGraph
 from core.gui.images import ImageEnum, Images
 from core.gui.menubar import Menubar
 from core.gui.nodeutils import NodeUtils
 from core.gui.statusbar import StatusBar
+from core.gui.themes import PADY
 from core.gui.toolbar import Toolbar
 
 WIDTH: int = 1000
@@ -35,6 +38,9 @@ class Application(ttk.Frame):
         self.canvas: Optional[CanvasGraph] = None
         self.statusbar: Optional[StatusBar] = None
         self.progress: Optional[Progressbar] = None
+        self.infobar: Optional[ttk.Frame] = None
+        self.info_frame: Optional[InfoFrameBase] = None
+        self.show_infobar: tk.BooleanVar = tk.BooleanVar(value=False)
 
         # fonts
         self.fonts_size: Dict[str, int] = {}
@@ -113,16 +119,27 @@ class Application(ttk.Frame):
         self.right_frame.rowconfigure(0, weight=1)
         self.right_frame.grid(row=0, column=1, sticky="nsew")
         self.draw_canvas()
+        self.draw_infobar()
         self.draw_status()
         self.progress = Progressbar(self.right_frame, mode="indeterminate")
         self.menubar = Menubar(self)
         self.master.config(menu=self.menubar)
 
+    def draw_infobar(self) -> None:
+        self.infobar = ttk.Frame(self.right_frame, padding=5, relief=tk.RAISED)
+        self.infobar.columnconfigure(0, weight=1)
+        self.infobar.rowconfigure(1, weight=1)
+        label_font = font.Font(weight=font.BOLD, underline=tk.TRUE)
+        label = ttk.Label(
+            self.infobar, text="Details", anchor=tk.CENTER, font=label_font
+        )
+        label.grid(sticky=tk.EW, pady=PADY)
+
     def draw_canvas(self) -> None:
         canvas_frame = ttk.Frame(self.right_frame)
         canvas_frame.rowconfigure(0, weight=1)
         canvas_frame.columnconfigure(0, weight=1)
-        canvas_frame.grid(sticky="nsew", pady=1)
+        canvas_frame.grid(row=0, column=0, sticky="nsew", pady=1)
         self.canvas = CanvasGraph(canvas_frame, self, self.core)
         self.canvas.grid(sticky="nsew")
         scroll_y = ttk.Scrollbar(canvas_frame, command=self.canvas.yview)
@@ -136,7 +153,31 @@ class Application(ttk.Frame):
 
     def draw_status(self) -> None:
         self.statusbar = StatusBar(self.right_frame, self)
-        self.statusbar.grid(sticky="ew")
+        self.statusbar.grid(sticky="ew", columnspan=2)
+
+    def display_info(self, frame_class: Type[InfoFrameBase], **kwargs: Any) -> None:
+        if not self.show_infobar.get():
+            return
+        self.clear_info()
+        self.info_frame = frame_class(self.infobar, **kwargs)
+        self.info_frame.draw()
+        self.info_frame.grid(sticky="nsew")
+
+    def clear_info(self) -> None:
+        if self.info_frame:
+            self.info_frame.destroy()
+            self.info_frame = None
+
+    def default_info(self) -> None:
+        self.clear_info()
+        self.display_info(DefaultInfoFrame, app=self)
+
+    def show_info(self) -> None:
+        self.default_info()
+        self.infobar.grid(row=0, column=1, sticky="nsew")
+
+    def hide_info(self) -> None:
+        self.infobar.grid_forget()
 
     def show_grpc_exception(self, title: str, e: grpc.RpcError) -> None:
         logging.exception("app grpc exception", exc_info=e)

daemon/core/gui/frames/base.py

@@ -0,0 +1,36 @@
+import tkinter as tk
+from tkinter import ttk
+from typing import TYPE_CHECKING
+
+from core.gui.themes import FRAME_PAD, PADX, PADY
+
+if TYPE_CHECKING:
+    from core.gui.app import Application
+
+
+class InfoFrameBase(ttk.Frame):
+    def __init__(self, master: tk.BaseWidget, app: "Application") -> None:
+        super().__init__(master, padding=FRAME_PAD)
+        self.app: "Application" = app
+
+    def draw(self) -> None:
+        raise NotImplementedError
+
+
+class DetailsFrame(ttk.Frame):
+    def __init__(self, master: tk.BaseWidget) -> None:
+        super().__init__(master)
+        self.columnconfigure(1, weight=1)
+        self.row = 0
+
+    def add_detail(self, label: str, value: str) -> None:
+        label = ttk.Label(self, text=label, anchor=tk.W)
+        label.grid(row=self.row, sticky=tk.EW, column=0, padx=PADX)
+        label = ttk.Label(self, text=value, anchor=tk.W, state=tk.DISABLED)
+        label.grid(row=self.row, sticky=tk.EW, column=1)
+        self.row += 1
+
+    def add_separator(self) -> None:
+        separator = ttk.Separator(self)
+        separator.grid(row=self.row, sticky=tk.EW, columnspan=2, pady=PADY)
+        self.row += 1

daemon/core/gui/frames/default.py

@@ -0,0 +1,19 @@
+import tkinter as tk
+from tkinter import ttk
+from typing import TYPE_CHECKING
+
+from core.gui.frames.base import InfoFrameBase
+
+if TYPE_CHECKING:
+    from core.gui.app import Application
+
+
+class DefaultInfoFrame(InfoFrameBase):
+    def __init__(self, master: tk.BaseWidget, app: "Application") -> None:
+        super().__init__(master, app)
+
+    def draw(self) -> None:
+        label = ttk.Label(self, text="Click a Node/Link", anchor=tk.CENTER)
+        label.grid(sticky=tk.EW)
+        label = ttk.Label(self, text="to see details", anchor=tk.CENTER)
+        label.grid(sticky=tk.EW)

daemon/core/gui/frames/link.py

@@ -0,0 +1,58 @@
+import tkinter as tk
+from typing import TYPE_CHECKING
+
+from core.gui.frames.base import DetailsFrame, InfoFrameBase
+from core.gui.utils import bandwidth_text
+
+if TYPE_CHECKING:
+    from core.gui.app import Application
+    from core.gui.graph.edges import CanvasEdge
+
+
+class EdgeInfoFrame(InfoFrameBase):
+    def __init__(
+        self, master: tk.BaseWidget, app: "Application", edge: "CanvasEdge"
+    ) -> None:
+        super().__init__(master, app)
+        self.edge: "CanvasEdge" = edge
+
+    def draw(self) -> None:
+        self.columnconfigure(0, weight=1)
+        link = self.edge.link
+        options = link.options
+        src_canvas_node = self.app.core.canvas_nodes[link.node1_id]
+        src_node = src_canvas_node.core_node
+        dst_canvas_node = self.app.core.canvas_nodes[link.node2_id]
+        dst_node = dst_canvas_node.core_node
+
+        frame = DetailsFrame(self)
+        frame.grid(sticky="ew")
+        frame.add_detail("Source", src_node.name)
+        iface1 = link.iface1
+        if iface1:
+            mac = iface1.mac if iface1.mac else "auto"
+            frame.add_detail("MAC", mac)
+            ip4 = f"{iface1.ip4}/{iface1.ip4_mask}" if iface1.ip4 else ""
+            frame.add_detail("IP4", ip4)
+            ip6 = f"{iface1.ip6}/{iface1.ip6_mask}" if iface1.ip6 else ""
+            frame.add_detail("IP6", ip6)
+
+        frame.add_separator()
+        frame.add_detail("Destination", dst_node.name)
+        iface2 = link.iface2
+        if iface2:
+            mac = iface2.mac if iface2.mac else "auto"
+            frame.add_detail("MAC", mac)
+            ip4 = f"{iface2.ip4}/{iface2.ip4_mask}" if iface2.ip4 else ""
+            frame.add_detail("IP4", ip4)
+            ip6 = f"{iface2.ip6}/{iface2.ip6_mask}" if iface2.ip6 else ""
+            frame.add_detail("IP6", ip6)
+
+        if link.HasField("options"):
+            frame.add_separator()
+            bandwidth = bandwidth_text(options.bandwidth)
+            frame.add_detail("Bandwidth", bandwidth)
+            frame.add_detail("Delay", f"{options.delay} us")
+            frame.add_detail("Jitter", f"\u00B1{options.jitter} us")
+            frame.add_detail("Loss", f"{options.loss}%")
+            frame.add_detail("Duplicate", f"{options.dup}%")

daemon/core/gui/frames/node.py

@@ -0,0 +1,33 @@
+from typing import TYPE_CHECKING
+
+from core.api.grpc.core_pb2 import NodeType
+from core.gui.frames.base import DetailsFrame, InfoFrameBase
+from core.gui.nodeutils import NodeUtils
+
+if TYPE_CHECKING:
+    from core.gui.app import Application
+    from core.gui.graph.node import CanvasNode
+
+
+class NodeInfoFrame(InfoFrameBase):
+    def __init__(self, master, app: "Application", canvas_node: "CanvasNode") -> None:
+        super().__init__(master, app)
+        self.canvas_node: "CanvasNode" = canvas_node
+
+    def draw(self) -> None:
+        self.columnconfigure(0, weight=1)
+        node = self.canvas_node.core_node
+        frame = DetailsFrame(self)
+        frame.grid(sticky="ew")
+        frame.add_detail("ID", node.id)
+        frame.add_detail("Name", node.name)
+        if NodeUtils.is_model_node(node.type):
+            frame.add_detail("Type", node.model)
+        if node.type == NodeType.EMANE:
+            emane = node.emane.split("_")[1:]
+            frame.add_detail("EMANE", emane)
+        if NodeUtils.is_image_node(node.type):
+            frame.add_detail("Image", node.image)
+        if NodeUtils.is_container_node(node.type):
+            server = node.server if node.server else "localhost"
+            frame.add_detail("Server", server)

daemon/core/gui/graph/edges.py

@@ -7,8 +7,10 @@ from core.api.grpc import core_pb2
 from core.api.grpc.core_pb2 import Interface, Link
 from core.gui import themes
 from core.gui.dialogs.linkconfig import LinkConfigurationDialog
+from core.gui.frames.link import EdgeInfoFrame
 from core.gui.graph import tags
 from core.gui.nodeutils import NodeUtils
+from core.gui.utils import bandwidth_text
 
 if TYPE_CHECKING:
     from core.gui.graph.graph import CanvasGraph
@@ -57,18 +59,6 @@ def arc_edges(edges) -> None:
         edge.redraw()
 
 
-def bandwidth_label(bandwidth: int) -> str:
-    size = {0: "bps", 1: "Kbps", 2: "Mbps", 3: "Gbps"}
-    unit = 1000
-    i = 0
-    while bandwidth > unit:
-        bandwidth /= unit
-        i += 1
-        if i == 3:
-            break
-    return f"{bandwidth} {size[i]}"
-
-
 class Edge:
     tag: str = tags.EDGE
 
@@ -295,6 +285,7 @@ class CanvasEdge(Edge):
 
     def set_binding(self) -> None:
         self.canvas.tag_bind(self.id, "<ButtonRelease-3>", self.show_context)
+        self.canvas.tag_bind(self.id, "<Button-1>", self.show_info)
 
     def set_link(self, link: Link) -> None:
         self.link = link
@@ -396,6 +387,9 @@ class CanvasEdge(Edge):
         self.middle_label = None
         self.canvas.itemconfig(self.id, fill=self.color, width=self.scaled_width())
 
+    def show_info(self, _event: tk.Event) -> None:
+        self.canvas.app.display_info(EdgeInfoFrame, app=self.canvas.app, edge=self)
+
     def show_context(self, event: tk.Event) -> None:
         state = tk.DISABLED if self.canvas.core.is_runtime() else tk.NORMAL
         self.context.entryconfigure(1, state=state)
@@ -413,7 +407,7 @@ class CanvasEdge(Edge):
         lines = []
         bandwidth = options.bandwidth
         if bandwidth > 0:
-            lines.append(bandwidth_label(bandwidth))
+            lines.append(bandwidth_text(bandwidth))
         delay = options.delay
         jitter = options.jitter
         if delay > 0 and jitter > 0:

daemon/core/gui/graph/graph.py

@@ -715,6 +715,7 @@ class CanvasGraph(tk.Canvas):
         logging.debug("press delete key")
         if not self.app.core.is_runtime():
             self.delete_selected_objects()
+            self.app.default_info()
         else:
             logging.debug("node deletion is disabled during runtime state")
 

daemon/core/gui/graph/node.py

@@ -16,6 +16,7 @@ from core.gui.dialogs.nodeconfig import NodeConfigDialog
 from core.gui.dialogs.nodeconfigservice import NodeConfigServiceDialog
 from core.gui.dialogs.nodeservice import NodeServiceDialog
 from core.gui.dialogs.wlanconfig import WlanConfigDialog
+from core.gui.frames.node import NodeInfoFrame
 from core.gui.graph import tags
 from core.gui.graph.edges import CanvasEdge, CanvasWirelessEdge
 from core.gui.graph.tooltip import CanvasTooltip
@@ -80,6 +81,7 @@ class CanvasNode:
         self.canvas.tag_bind(self.id, "<Enter>", self.on_enter)
         self.canvas.tag_bind(self.id, "<Leave>", self.on_leave)
         self.canvas.tag_bind(self.id, "<ButtonRelease-3>", self.show_context)
+        self.canvas.tag_bind(self.id, "<Button-1>", self.show_info)
 
     def delete(self) -> None:
         logging.debug("Delete canvas node for %s", self.core_node)
@@ -195,6 +197,9 @@ class CanvasNode:
         else:
             self.show_config()
 
+    def show_info(self, _event: tk.Event) -> None:
+        self.app.display_info(NodeInfoFrame, app=self.app, canvas_node=self)
+
     def show_context(self, event: tk.Event) -> None:
         # clear existing menu
         self.context.delete(0, tk.END)
@@ -262,6 +267,7 @@ class CanvasNode:
 
     def click_unlink(self, edge: CanvasEdge) -> None:
         self.canvas.delete_edge(edge)
+        self.app.default_info()
 
     def canvas_delete(self) -> None:
         self.canvas.clear_selection()

daemon/core/gui/menubar.py

@@ -138,6 +138,11 @@ class Menubar(tk.Menu):
         Create view menu
         """
         menu = tk.Menu(self)
+        menu.add_checkbutton(
+            label="Details Panel",
+            command=self.click_infobar_change,
+            variable=self.app.show_infobar,
+        )
         menu.add_checkbutton(
             label="Interface Names",
             command=self.click_edge_label_change,
@@ -443,6 +448,12 @@ class Menubar(tk.Menu):
             y = (row * layout_size) + padding
             node.move(x, y)
 
+    def click_infobar_change(self) -> None:
+        if self.app.show_infobar.get():
+            self.app.show_info()
+        else:
+            self.app.hide_info()
+
     def click_edge_label_change(self) -> None:
         for edge in self.canvas.edges.values():
             edge.draw_labels()

daemon/core/gui/task.py

@@ -26,7 +26,7 @@ class ProgressTask:
         self.time: Optional[float] = None
 
     def start(self) -> None:
-        self.app.progress.grid(sticky="ew")
+        self.app.progress.grid(sticky="ew", columnspan=2)
         self.app.progress.start()
         self.time = time.perf_counter()
         thread = threading.Thread(target=self.run, daemon=True)

daemon/core/gui/utils.py

@@ -0,0 +1,10 @@
+def bandwidth_text(bandwidth: int) -> str:
+    size = {0: "bps", 1: "Kbps", 2: "Mbps", 3: "Gbps"}
+    unit = 1000
+    i = 0
+    while bandwidth > unit:
+        bandwidth /= unit
+        i += 1
+        if i == 3:
+            break
+    return f"{bandwidth} {size[i]}"