Implement cursor menu navigation

.gitignore

@@ -42,3 +42,4 @@ profile/*
 logs/*
 private/*
 .DS_Store
+*.exe

config/sounds.cfg

@@ -8,3 +8,4 @@ registermusic "dcp/Dietmar_Pier_-_AssaultCube"  // M_LASTMINUTE2
 const preload_music [ loop m 3 [ musicpreload $m ] ]
 // uncomment the line below if you want to preload the music (if you experience delay e.g. when picking up a flag)
 //preload_music
+musicvol 0 

source/src/cube.h

@@ -62,6 +62,10 @@ extern int hwtexsize, hwmaxaniso;
 extern int maploaded, msctrl;
 extern float waterlevel;
 
+// global mouse pointer handling
+extern bool grabinput;
+void inputgrab(bool on, bool delay = false);
+
 #define AC_MASTER_URI "ms.cubers.net"
 
 // uncomment this line for production release

source/src/main.cpp

@@ -116,13 +116,14 @@ VARN(relativemouse, userelativemouse, 1, 1, 0);
 VARNP(relativemouse, userelativemouse, 0, 1, 1);
 #endif
 
-static bool shouldgrab = false, grabinput = false, minimized = false, centerwindow = true, canrelativemouse = true, relativemouse = false;
+static bool shouldgrab = false, minimized = false, centerwindow = true, canrelativemouse = true, relativemouse = false;
+bool grabinput = false;
 
 #ifdef SDL_VIDEO_DRIVER_X11
 VAR(sdl_xgrab_bug, 0, 0, 1);
 #endif
 
-void inputgrab(bool on, bool delay = false)
+void inputgrab(bool on, bool delay)
 {
 #ifdef SDL_VIDEO_DRIVER_X11
     bool wasrelativemouse = relativemouse;

source/src/menus.cpp

@@ -20,6 +20,7 @@ inline gmenu *setcurmenu(gmenu *newcurmenu)      // only change curmenu through
 
 void menuset(void *m, bool save)
 {
+    if (m == NULL) inputgrab(grabinput = true);
     if(curmenu==m) return;
     if(curmenu)
     {
@@ -31,6 +32,8 @@ void menuset(void *m, bool save)
 
 void showmenu(const char *name, bool top)
 {
+    // enable cursor
+    inputgrab(grabinput = false);
     menurighttabwidth = max(VIRTW/4, 15 * text_width("w")); // adapt to screen and font size every time a menu opens
     if(!name)
     {