added cairo_destroy

Author: pascal-niklaus

src/callbacks.c

@@ -24,7 +24,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include <math.h>
+#include "cairo.h"
 #include "main.h"
 #include "input.h"
 #include "callbacks.h"
@@ -162,7 +162,6 @@ void on_monitors_changed ( GdkScreen *screen,
 }
 
 
-
 void on_composited_changed ( GdkScreen *screen,
 			   gpointer   user_data)
 {
@@ -197,7 +196,6 @@ void on_composited_changed ( GdkScreen *screen,
 }
 
 
-
 void on_clientapp_selection_get (GtkWidget          *widget,
 				 GtkSelectionData   *selection_data,
 				 guint               info,
@@ -569,7 +567,6 @@ void on_mainapp_selection_get (GtkWidget          *widget,
   else
     uri = "NOK";
 
-   
   gtk_selection_data_set (selection_data,
                           gtk_selection_data_get_target(selection_data),
                           8, (guchar*)uri, strlen (uri));
@@ -729,6 +726,7 @@ void on_mainapp_selection_received (GtkWidget *widget,
                                        style.width, style.arrowsize,
                                        style.minwidth, style.maxwidth);
 
+                  cairo_destroy(context->paint_ctx);
                   g_free(context->paint_color);
                   *context = *new_context;
                   g_free(new_context);
@@ -777,7 +775,6 @@ void on_device_added (GdkDeviceManager *device_manager,
 }
 
 
-
 gboolean on_toggle_paint(GtkWidget *widget,
 			 GdkEventButton  *ev,
 			 gpointer   user_data)