Nav: pressing gamepad north button activates context menus. + update ShowUserGuide().

diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index df0f2bf..acc3965 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt

@@ -103,6 +103,7 @@
   - Popups: Shift+F10 or Menu key can now open popups menus when using
     BeginPopupContextItem(), BeginPopupContextWindow() or OpenPopupOnItemClick().
     (#8803, #9270) [@exelix11, @ocornut]
+  - Popups: pressing North button (PS4/PS5 triangle, SwitchX, Xbox Y) also open popups menus.
 - Clipper:
   - Clear `DisplayStart`/`DisplayEnd` fields when `Step()` returns false.
   - Added `UserIndex` helper storage. This is solely a convenience for cases where

diff --git a/imgui.cpp b/imgui.cpp
index 61a6456..b7c5d1b 100644
--- a/imgui.cpp
+++ b/imgui.cpp

@@ -14252,10 +14252,13 @@
     ImGuiContext& g = *GImGui;
     g.NavOpenContextMenuItemId = g.NavOpenContextMenuWindowId = 0;
     const bool nav_keyboard_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) != 0;
-    if (!nav_keyboard_active || g.NavWindow == NULL)
+    const bool nav_gamepad_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) != 0;
+    if ((!nav_keyboard_active && !nav_gamepad_active) || g.NavWindow == NULL)
         return;
 
-    const bool request = IsKeyReleased(ImGuiKey_Menu, ImGuiKeyOwner_NoOwner) || (IsKeyPressed(ImGuiKey_F10, ImGuiInputFlags_None, ImGuiKeyOwner_NoOwner) && g.IO.KeyMods == ImGuiMod_Shift);
+    bool request = false;
+    request |= nav_keyboard_active && (IsKeyReleased(ImGuiKey_Menu, ImGuiKeyOwner_NoOwner) || (IsKeyPressed(ImGuiKey_F10, ImGuiInputFlags_None, ImGuiKeyOwner_NoOwner) && g.IO.KeyMods == ImGuiMod_Shift));
+    request |= nav_gamepad_active && IsKeyPressed(ImGuiKey_NavGamepadContextMenu, ImGuiInputFlags_None, ImGuiKeyOwner_NoOwner);
     if (!request)
         return;
     g.NavOpenContextMenuItemId = g.NavId;

diff --git a/imgui.h b/imgui.h
index 349c310..b69a9b5 100644
--- a/imgui.h
+++ b/imgui.h

@@ -1618,10 +1618,10 @@
     //                              // XBOX        | SWITCH  | PLAYSTA. | -> ACTION
     ImGuiKey_GamepadStart,          // Menu        | +       | Options  |
     ImGuiKey_GamepadBack,           // View        | -       | Share    |
-    ImGuiKey_GamepadFaceLeft,       // X           | Y       | Square   | Tap: Toggle Menu. Hold: Windowing mode (Focus/Move/Resize windows)
+    ImGuiKey_GamepadFaceLeft,       // X           | Y       | Square   | Toggle Menu. Hold for Windowing mode (Focus/Move/Resize windows)
     ImGuiKey_GamepadFaceRight,      // B           | A       | Circle   | Cancel / Close / Exit
-    ImGuiKey_GamepadFaceUp,         // Y           | X       | Triangle |
-    ImGuiKey_GamepadFaceDown,       // A           | B       | Cross    | Activate / Open / Toggle / Tweak. Hold for 0.60f to Activate in Text Input mode (e.g. wired to an on-screen keyboard).
+    ImGuiKey_GamepadFaceUp,         // Y           | X       | Triangle | Open Context Menu
+    ImGuiKey_GamepadFaceDown,       // A           | B       | Cross    | Activate / Open / Toggle. Hold for 0.60f to Activate in Text Input mode (e.g. wired to an on-screen keyboard).
     ImGuiKey_GamepadDpadLeft,       // D-pad Left  | "       | "        | Move / Tweak / Resize Window (in Windowing mode)
     ImGuiKey_GamepadDpadRight,      // D-pad Right | "       | "        | Move / Tweak / Resize Window (in Windowing mode)
     ImGuiKey_GamepadDpadUp,         // D-pad Up    | "       | "        | Move / Tweak / Resize Window (in Windowing mode)

diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index e8a4392..738096c 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp

@@ -8731,7 +8731,7 @@
     BulletText("Ctrl+Z to undo, Ctrl+Y/Ctrl+Shift+Z to redo.");
     BulletText("Escape to revert.");
     Unindent();
-    BulletText("With keyboard navigation enabled:");
+    BulletText("With Keyboard controls enabled:");
     Indent();
     BulletText("Arrow keys or Home/End/PageUp/PageDown to navigate.");
     BulletText("Space to activate a widget.");
@@ -8740,6 +8740,15 @@
     BulletText("Alt to jump to the menu layer of a window.");
     BulletText("Menu or Shift+F10 to open a context menu.");
     Unindent();
+    BulletText("With Gamepad controls enabled:");
+    Indent();
+    BulletText("D-Pad: Navigate / Tweak / Resize (in Windowing mode).");
+    BulletText("%s Face button: Activate / Open / Toggle. Hold: activate with text input.", io.ConfigNavSwapGamepadButtons ? "East" : "South");
+    BulletText("%s Face button: Cancel / Close / Exit.", io.ConfigNavSwapGamepadButtons ? "South" : "East");
+    BulletText("West Face button: Toggle Menu. Hold for Windowing mode (Focus/Move/Resize windows).");
+    BulletText("North Face button: Open Context Menu.");
+    BulletText("L1/R1: Tweak Slower/Faster, Focus Previous/Next (in Windowing Mode).");
+    Unindent();
 }
 
 //-----------------------------------------------------------------------------

diff --git a/imgui_internal.h b/imgui_internal.h
index e9eded3..cb5e4e1 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h

@@ -1508,8 +1508,8 @@
 #define ImGuiKey_NavGamepadTweakFast    ImGuiKey_GamepadR1
 #define ImGuiKey_NavGamepadActivate     (g.IO.ConfigNavSwapGamepadButtons ? ImGuiKey_GamepadFaceRight : ImGuiKey_GamepadFaceDown)
 #define ImGuiKey_NavGamepadCancel       (g.IO.ConfigNavSwapGamepadButtons ? ImGuiKey_GamepadFaceDown : ImGuiKey_GamepadFaceRight)
-#define ImGuiKey_NavGamepadMenu         ImGuiKey_GamepadFaceLeft
-//#define ImGuiKey_NavGamepadInput      ImGuiKey_GamepadFaceUp
+#define ImGuiKey_NavGamepadMenu         ImGuiKey_GamepadFaceLeft    // Toggle menu layer. Hold to enable Windowing.
+#define ImGuiKey_NavGamepadContextMenu  ImGuiKey_GamepadFaceUp      // Open context menu (same as Shift+F10)
 
 enum ImGuiInputEventType
 {