From 94353967417fe951a79a2b7ebb748d04d8cc8c28 Mon Sep 17 00:00:00 2001
From: insofaras <iaminsofaras@gmail.com>
Date: Tue, 23 Feb 2016 22:28:34 +0000
Subject: [PATCH] linux cursors. resizing ones flicker a bit currently

---
 linux_4ed.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/linux_4ed.cpp b/linux_4ed.cpp
index cdbd2e6e..39443cb8 100644
--- a/linux_4ed.cpp
+++ b/linux_4ed.cpp
@@ -37,6 +37,7 @@
 #include <dirent.h>
 #include <stdio.h>
 #include <X11/Xlib.h>
+#include <X11/cursorfont.h>
 #include <GL/glx.h>
 #include <GL/gl.h>
 #include <GL/glext.h>
@@ -103,6 +104,8 @@ struct Linux_Vars{
     Atom atom_CLIPBOARD;
     Atom atom_UTF8_STRING;
 
+    Application_Mouse_Cursor cursor;
+
     void *app_code;
     void *custom;
 
@@ -1553,6 +1556,14 @@ main(int argc, char **argv)
         exit(1);
     }
 
+    Cursor xcursors[APP_MOUSE_CURSOR_COUNT] = {
+        None,
+        XCreateFontCursor(linuxvars.XDisplay, XC_arrow),
+        XCreateFontCursor(linuxvars.XDisplay, XC_xterm),
+        XCreateFontCursor(linuxvars.XDisplay, XC_sb_h_double_arrow),
+        XCreateFontCursor(linuxvars.XDisplay, XC_sb_v_double_arrow)
+    };
+
     XSetICFocus(linuxvars.input_context);
 
     linuxvars.atom_CLIPBOARD = XInternAtom(linuxvars.XDisplay, "CLIPBOARD", False);
@@ -1843,6 +1854,12 @@ main(int argc, char **argv)
             usleep(frame_useconds - time_diff);
         }
 
+        if(result.mouse_cursor_type != linuxvars.cursor){
+            Cursor c = xcursors[result.mouse_cursor_type];
+            XDefineCursor(linuxvars.XDisplay, linuxvars.XWindow, c);
+            linuxvars.cursor = result.mouse_cursor_type;
+        }
+
         linuxvars.redraw = 0;
         linuxvars.key_data = {};
         linuxvars.mouse_data.left_button_pressed = 0;