From 7b9d436ede2127295f38fcbadffffc6e2a6e5fbc Mon Sep 17 00:00:00 2001
From: Amaryllis Kulla <ancurio@mapleshrine.eu>
Date: Mon, 27 Oct 2025 12:17:20 +0100
Subject: [PATCH] Add Graphics#maximize_window

Works even if the window is not resizable by user.
Requested by matias1lol.
---
 binding-mri/graphics-binding.cpp | 10 ++++++++++
 doc/extension_doc.md             |  5 +++++
 src/eventthread.cpp              | 12 ++++++++++++
 src/eventthread.h                |  1 +
 4 files changed, 28 insertions(+)

diff --git a/binding-mri/graphics-binding.cpp b/binding-mri/graphics-binding.cpp
index 87cb89c..bcb44b6 100644
--- a/binding-mri/graphics-binding.cpp
+++ b/binding-mri/graphics-binding.cpp
@@ -209,6 +209,15 @@ RB_METHOD(graphicsResizeWindow)
 	return Qnil;
 }
 
+RB_METHOD(graphicsMaximizeWindow)
+{
+	RB_UNUSED_PARAM;
+
+	shState->eThread().requestWindowMaximize();
+
+	return Qnil;
+}
+
 DEF_GRA_PROP_I(FrameRate)
 DEF_GRA_PROP_I(FrameCount)
 DEF_GRA_PROP_I(Brightness)
@@ -268,4 +277,5 @@ void graphicsBindingInit()
 	INIT_GRA_PROP_BIND( ShowCursor, "show_cursor" );
 
 	_rb_define_module_function(module, "resize_window", graphicsResizeWindow);
+	_rb_define_module_function(module, "maximize_window", graphicsMaximizeWindow);
 }
diff --git a/doc/extension_doc.md b/doc/extension_doc.md
index 3edf81f..4c25f2f 100644
--- a/doc/extension_doc.md
+++ b/doc/extension_doc.md
@@ -1,3 +1,4 @@
+
 # mkxp extenions for Dancing Dragon Games / Symphony of War
 
 ## Graphics.resize_window(width, height, recenter)
@@ -8,6 +9,10 @@ returns: nil
 
 Resizes the game window to width x height. If `recenter` is **true**, also center the window on the current screen.
 
+## Graphics.maximize_window()
+
+Maximizes the game window, ignoring the `winResizable` config option.
+
 ## Bitmap.write_to_png(filename)
 filename: String  
 returns: self  
diff --git a/src/eventthread.cpp b/src/eventthread.cpp
index 9bb59b2..8be64df 100644
--- a/src/eventthread.cpp
+++ b/src/eventthread.cpp
@@ -80,6 +80,7 @@ enum
 {
 	REQUEST_SETFULLSCREEN = 0,
 	REQUEST_WINRESIZE,
+	REQUEST_WINMAXIMIZE,
 	REQUEST_MESSAGEBOX,
 	REQUEST_SETCURSORVISIBLE,
 
@@ -459,6 +460,10 @@ void EventThread::process(RGSSThreadData &rtData)
 				updateCursorState(cursorInWindow, gameScreen);
 				break;
 
+			case REQUEST_WINMAXIMIZE :
+				SDL_MaximizeWindow(win);
+				break;
+
 			case UPDATE_FPS :
 				if (rtData.config.printFPS)
 					Debug() << "FPS:" << event.user.code;
@@ -622,6 +627,13 @@ void EventThread::requestWindowResize(int width, int height, bool recenter)
 	SDL_PushEvent(&event);
 }
 
+void EventThread::requestWindowMaximize()
+{
+	SDL_Event event;
+	event.type = usrIdStart + REQUEST_WINMAXIMIZE;
+	SDL_PushEvent(&event);
+}
+
 void EventThread::requestShowCursor(bool mode)
 {
 	SDL_Event event;
diff --git a/src/eventthread.h b/src/eventthread.h
index 2ad7ec6..2352f79 100644
--- a/src/eventthread.h
+++ b/src/eventthread.h
@@ -89,6 +89,7 @@ public:
 	/* Called from RGSS thread */
 	void requestFullscreenMode(bool mode);
 	void requestWindowResize(int width, int height, bool recenter = false);
+	void requestWindowMaximize();
 	void requestShowCursor(bool mode);
 
 	void requestTerminate();