1 files changed, 14 insertions, 2 deletions
diff --git a/src/x11_support.h b/src/x11_support.h
index 6421f4b..9007602 100644
--- a/src/x11_support.h
+++ b/src/x11_support.h
@@ -12,10 +12,22 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 
-void x11_get_display_bounds(int *width, int *height);
+typedef struct {
+    int x;
+    int y;
+    int width;
+    int height;
+} x11_display_bounds_t;
+
+// Get the preferred monitor number (via BUZZLOCKER_MONITOR_NUM environment variable)
+// Returns 0 (the primary one) if not set 
+unsigned int get_preferred_monitor_num();
+
+// Get the bounds for the specified monitor num (via XRandR)
+void x11_get_display_bounds(unsigned int monitor_num, x11_display_bounds_t *out_bounds);
 
 // Sets up a window and returns a cairo_surface to draw onto
-cairo_surface_t* x11_helper_acquire_cairo_surface(int width, int height);
+cairo_surface_t* x11_helper_acquire_cairo_surface();
 
 // Cleanup
 void x11_helper_destroy_surface(cairo_surface_t *surface);