From fda6e1534bc1dfad7f1f32ccf0bb51f3eb34974d Mon Sep 17 00:00:00 2001
From: Tarek Soliman <tsoliman@scummvm.org>
Date: Tue, 29 Nov 2011 14:01:20 -0600
Subject: [PATCH] MAEMO: Fix zoom key capture on N900 (fixes bug#3443037)

This was semi-intentionally skipped in the intial port revival
because the focus was on N810 at the time.

This is mostly copied from the old 1.2.1 port and then cleaned up.
---
 .../graphics/maemosdl/maemosdl-graphics.cpp   | 26 +++++++++++++++++++
 .../graphics/maemosdl/maemosdl-graphics.h     |  3 +++
 2 files changed, 29 insertions(+)

diff --git a/backends/graphics/maemosdl/maemosdl-graphics.cpp b/backends/graphics/maemosdl/maemosdl-graphics.cpp
index 3309d91228b..527ef82b9d1 100644
--- a/backends/graphics/maemosdl/maemosdl-graphics.cpp
+++ b/backends/graphics/maemosdl/maemosdl-graphics.cpp
@@ -21,6 +21,8 @@
  */
 #if defined(MAEMO)
 
+#include "SDL_syswm.h"
+
 #include "common/scummsys.h"
 
 #include "backends/platform/maemo/maemo.h"
@@ -31,4 +33,28 @@ MaemoSdlGraphicsManager::MaemoSdlGraphicsManager(SdlEventSource *sdlEventSource)
 	: SurfaceSdlGraphicsManager(sdlEventSource) {
 }
 
+bool MaemoSdlGraphicsManager::loadGFXMode() {
+	bool success = SurfaceSdlGraphicsManager::loadGFXMode();
+
+	// fix the problematic zoom key capture in Maemo5/N900
+	SDL_SysWMinfo info;
+	SDL_VERSION(&info.version);
+	if (SDL_GetWMInfo(&info)) {
+		Display *dpy = info.info.x11.display;
+		Window win;
+		unsigned long val = 1;
+		Atom atom_zoom = XInternAtom(dpy, "_HILDON_ZOOM_KEY_ATOM", 0);
+		info.info.x11.lock_func();
+		win = info.info.x11.fswindow;
+		if (win)
+			XChangeProperty(dpy, win, atom_zoom, XA_INTEGER, 32, PropModeReplace, (unsigned char *) &val, 1); // grab zoom keys
+		win = info.info.x11.wmwindow;
+		if (win)
+			XChangeProperty(dpy, win, atom_zoom, XA_INTEGER, 32, PropModeReplace, (unsigned char *) &val, 1); // grab zoom keys
+		info.info.x11.unlock_func();
+	}
+
+	return success;
+}
+
 #endif
diff --git a/backends/graphics/maemosdl/maemosdl-graphics.h b/backends/graphics/maemosdl/maemosdl-graphics.h
index 4a675b61597..81064d2d5fe 100644
--- a/backends/graphics/maemosdl/maemosdl-graphics.h
+++ b/backends/graphics/maemosdl/maemosdl-graphics.h
@@ -30,6 +30,9 @@
 class MaemoSdlGraphicsManager : public SurfaceSdlGraphicsManager {
 public:
 	MaemoSdlGraphicsManager(SdlEventSource *sdlEventSource);
+
+protected:
+	virtual bool loadGFXMode();
 };
 
 #endif