wrap win32 usage in conditionals

manualslop_layout.ini

@@ -74,8 +74,8 @@ Collapsed=0
 DockId=0xAFC85805,2
 
 [Window][Theme]
-Pos=0,542
+Pos=0,495
-Size=310,658
+Size=547,737
 Collapsed=0
 DockId=0x00000002,2
 
@@ -91,8 +91,8 @@ Collapsed=0
 DockId=0x00000010,2
 
 [Window][Context Hub]
-Pos=0,542
+Pos=0,495
-Size=310,658
+Size=547,737
 Collapsed=0
 DockId=0x00000002,1
 
@@ -103,26 +103,26 @@ Collapsed=0
 DockId=0x0000000D,0
 
 [Window][Discussion Hub]
-Pos=649,24
+Pos=886,24
-Size=449,1176
+Size=449,1208
 Collapsed=0
 DockId=0x00000013,0
 
 [Window][Operations Hub]
-Pos=312,24
+Pos=549,24
-Size=335,1176
+Size=335,1208
 Collapsed=0
 DockId=0x00000005,0
 
 [Window][Files & Media]
-Pos=0,542
+Pos=0,495
-Size=310,658
+Size=547,737
 Collapsed=0
 DockId=0x00000002,0
 
 [Window][AI Settings]
 Pos=0,24
-Size=310,516
+Size=547,469
 Collapsed=0
 DockId=0x00000001,0
 
@@ -132,14 +132,14 @@ Size=416,325
 Collapsed=0
 
 [Window][MMA Dashboard]
-Pos=1100,24
+Pos=1337,24
-Size=580,1176
+Size=580,1208
 Collapsed=0
 DockId=0x00000010,0
 
 [Window][Log Management]
-Pos=1100,24
+Pos=1337,24
-Size=580,1176
+Size=580,1208
 Collapsed=0
 DockId=0x00000010,1
 
@@ -498,12 +498,12 @@ Column 1  Weight=1.0000
 DockNode            ID=0x00000008 Pos=3125,170 Size=593,1157 Split=Y
   DockNode          ID=0x00000009 Parent=0x00000008 SizeRef=1029,147 Selected=0x0469CA7A
   DockNode          ID=0x0000000A Parent=0x00000008 SizeRef=1029,145 Selected=0xDF822E02
-DockSpace           ID=0xAFC85805 Window=0x079D3A04 Pos=0,24 Size=1680,1176 Split=X
+DockSpace           ID=0xAFC85805 Window=0x079D3A04 Pos=0,24 Size=1917,1208 Split=X
   DockNode          ID=0x00000003 Parent=0xAFC85805 SizeRef=1647,1183 Split=X
     DockNode        ID=0x0000000B Parent=0x00000003 SizeRef=404,1186 Split=X Selected=0xF4139CA2
       DockNode      ID=0x00000007 Parent=0x0000000B SizeRef=310,858 Split=Y Selected=0x8CA2375C
-        DockNode    ID=0x00000001 Parent=0x00000007 SizeRef=824,624 CentralNode=1 Selected=0x7BD57D6A
+        DockNode    ID=0x00000001 Parent=0x00000007 SizeRef=824,525 CentralNode=1 Selected=0x7BD57D6A
-        DockNode    ID=0x00000002 Parent=0x00000007 SizeRef=824,658 Selected=0xF4139CA2
+        DockNode    ID=0x00000002 Parent=0x00000007 SizeRef=824,737 Selected=0x8CA2375C
       DockNode      ID=0x0000000E Parent=0x0000000B SizeRef=786,858 Split=X Selected=0x418C7449
         DockNode    ID=0x00000012 Parent=0x0000000E SizeRef=335,402 Split=Y Selected=0x418C7449
           DockNode  ID=0x00000005 Parent=0x00000012 SizeRef=876,1749 Selected=0x418C7449

src/gui_2.py

@@ -29,8 +29,12 @@ from src import mcp_client
 from src import markdown_helper
 from src import bg_shader
 import re
-import win32gui
+if sys.platform == "win32":
-import win32con
+ import win32gui
+ import win32con
+else:
+ win32gui = None
+ win32con = None
 
 from pydantic import BaseModel
 from imgui_bundle import imgui, hello_imgui, immapp, imgui_node_editor as ed
@@ -368,58 +372,59 @@ class App:
      self.ai_status = f"error: {e}"
    imgui.end_menu()
    
-  # Draw right-aligned window controls directly in the menu bar
+  # Draw right-aligned window controls directly in the menu bar (Win32 only)
-  try:
+  if sys.platform == "win32":
-   import ctypes
-   ctypes.pythonapi.PyCapsule_GetPointer.restype = ctypes.c_void_p
-   ctypes.pythonapi.PyCapsule_GetPointer.argtypes = [ctypes.py_object, ctypes.c_char_p]
-   hwnd_capsule = imgui.get_main_viewport().platform_handle_raw
-   hwnd = ctypes.pythonapi.PyCapsule_GetPointer(hwnd_capsule, b"nb_handle")
-  except Exception:
-   hwnd = 0
-
-  if hwnd:
-   btn_w = 40
-   display_w = imgui.get_io().display_size.x
-   right_x = display_w - (btn_w * 3)
-   
-   # Drag area check using an explicit invisible button spanning the empty space
-   curr_x = imgui.get_cursor_pos_x()
-   drag_w = right_x - curr_x
-   if drag_w > 0:
-    # Use a small positive height to satisfy IM_ASSERT(size_arg.y != 0.0f)
-    # The menu bar naturally constrains the hit box height anyway.
-    imgui.invisible_button("##drag_area", (drag_w, 20.0))
-    if imgui.is_item_active() and imgui.is_mouse_dragging(0):
-     # CRITICAL: We must reset ImGui's mouse_down state BEFORE passing control to Windows.
-     # Otherwise, the Windows modal drag loop swallows the WM_LBUTTONUP event, 
-     # and ImGui thinks the mouse is permanently held down, causing "sticky" dragging.
-     imgui.get_io().mouse_down[0] = False
-     win32gui.ReleaseCapture()
-     win32gui.SendMessage(hwnd, win32con.WM_NCLBUTTONDOWN, win32con.HTCAPTION, 0)
-   
-   imgui.push_style_color(imgui.Col_.button, vec4(0, 0, 0, 0))
-   
    try:
-    is_max = win32gui.GetWindowPlacement(hwnd)[1] == win32con.SW_SHOWMAXIMIZED
+    import ctypes
+    ctypes.pythonapi.PyCapsule_GetPointer.restype = ctypes.c_void_p
+    ctypes.pythonapi.PyCapsule_GetPointer.argtypes = [ctypes.py_object, ctypes.c_char_p]
+    hwnd_capsule = imgui.get_main_viewport().platform_handle_raw
+    hwnd = ctypes.pythonapi.PyCapsule_GetPointer(hwnd_capsule, b"nb_handle")
    except Exception:
-    is_max = False
+    hwnd = 0
 
-   imgui.set_cursor_pos_x(right_x)
+   if hwnd:
-   if imgui.button("_", (btn_w, 0)):
+    btn_w = 40
-    win32gui.ShowWindow(hwnd, win32con.SW_MINIMIZE)
+    display_w = imgui.get_io().display_size.x
+    right_x = display_w - (btn_w * 3)
     
-   imgui.set_cursor_pos_x(right_x + btn_w)
+    # Drag area check using an explicit invisible button spanning the empty space
-   if imgui.button("[=]" if is_max else "[]", (btn_w, 0)):
+    curr_x = imgui.get_cursor_pos_x()
-    win32gui.ShowWindow(hwnd, win32con.SW_RESTORE if is_max else win32con.SW_MAXIMIZE)
+    drag_w = right_x - curr_x
+    if drag_w > 0:
+     # Use a small positive height to satisfy IM_ASSERT(size_arg.y != 0.0f)
+     # The menu bar naturally constrains the hit box height anyway.
+     imgui.invisible_button("##drag_area", (drag_w, 20.0))
+     if imgui.is_item_active() and imgui.is_mouse_dragging(0):
+      # CRITICAL: We must reset ImGui's mouse_down state BEFORE passing control to Windows.
+      # Otherwise, the Windows modal drag loop swallows the WM_LBUTTONUP event, 
+      # and ImGui thinks the mouse is permanently held down, causing "sticky" dragging.
+      imgui.get_io().mouse_down[0] = False
+      win32gui.ReleaseCapture()
+      win32gui.SendMessage(hwnd, win32con.WM_NCLBUTTONDOWN, win32con.HTCAPTION, 0)
     
-   imgui.set_cursor_pos_x(right_x + btn_w * 2)
+    imgui.push_style_color(imgui.Col_.button, vec4(0, 0, 0, 0))
-   imgui.push_style_color(imgui.Col_.button_hovered, vec4(200, 50, 50, 255))
-   if imgui.button("X", (btn_w, 0)):
-    win32gui.PostMessage(hwnd, win32con.WM_CLOSE, 0, 0)
-   imgui.pop_style_color()
     
-   imgui.pop_style_color()
+    try:
+     is_max = win32gui.GetWindowPlacement(hwnd)[1] == win32con.SW_SHOWMAXIMIZED
+    except Exception:
+     is_max = False
+    
+    imgui.set_cursor_pos_x(right_x)
+    if imgui.button("_", (btn_w, 0)):
+     win32gui.ShowWindow(hwnd, win32con.SW_MINIMIZE)
+     
+    imgui.set_cursor_pos_x(right_x + btn_w)
+    if imgui.button("[=]" if is_max else "[]", (btn_w, 0)):
+     win32gui.ShowWindow(hwnd, win32con.SW_RESTORE if is_max else win32con.SW_MAXIMIZE)
+    
+    imgui.set_cursor_pos_x(right_x + btn_w * 2)
+    imgui.push_style_color(imgui.Col_.button_hovered, vec4(200, 50, 50, 255))
+    if imgui.button("X", (btn_w, 0)):
+     win32gui.PostMessage(hwnd, win32con.WM_CLOSE, 0, 0)
+    imgui.pop_style_color()
+    
+    imgui.pop_style_color()
 
  def _render_custom_title_bar(self) -> None:
   # Obsolete, removed since it renders behind the full screen dock space.
@@ -4002,7 +4007,13 @@ def hello():
    theme.load_from_config(self.config)
    self.runner_params = hello_imgui.RunnerParams()
    self.runner_params.app_window_params.window_title = "manual slop"
-   self.runner_params.app_window_params.borderless = True
+   
+   if sys.platform == "win32":
+    self.runner_params.app_window_params.borderless = True
+    self.runner_params.app_window_params.borderless_closable = False
+    self.runner_params.app_window_params.borderless_movable = False
+    self.runner_params.app_window_params.borderless_resizable = True
+   
    self.runner_params.app_window_params.window_geometry.size = (1680, 1200)
    self.runner_params.imgui_window_params.enable_viewports = getattr(self, "ui_multi_viewport", False)
    self.runner_params.imgui_window_params.remember_theme = True