add missing user data when instantiating a drawing area

meson.build

@@ -56,22 +56,19 @@ deps = [
   # for drawing
   dependency('cairo', version: '>=1.0.0'),
 
-  # for rendering SVGs with cairo
-  dependency('librsvg-2.0'),
-
   # math functions might be implemented in libm
   cc.find_library('m', required: false),
   ]
 
 cdata = configuration_data ()
 if os_linux
- deps += dependency('x11')
- cdata.set('HAVE_X11', 1)
+  deps += dependency('x11')
+  cdata.set('HAVE_X11', 1)
 endif
 
 if get_option('enable_rsvg')
- deps += dependency('librsvg-2.0')
- cdata.set('HAVE_RSVG', 1)
+  deps += dependency('librsvg-2.0')
+  cdata.set('HAVE_RSVG', 1)
 endif
 
 # create config.h

src/ztk_drawing_area.c

@@ -74,5 +74,9 @@ ztk_drawing_area_new (
     draw_cb,
     ztk_drawing_area_free);
 
+  /* set user data */
+  ZtkWidget * widget = (ZtkWidget *) self;
+  widget->user_data = data;
+
   return self;
 }

tests/meson.build

@@ -30,12 +30,14 @@ e = executable (
   )
 test ('color_test', e)
 
-e = executable (
-  'rsvg', 'rsvg.c',
-  include_directories: inc_dirs,
-  link_with: ztoolkit_lib,
-  dependencies: deps,
-  )
-test ('rsvg_test', e,
-  args: join_paths(
-    meson.current_source_dir(), 'test.svg'))
+if get_option('enable_rsvg')
+  e = executable (
+    'rsvg', 'rsvg.c',
+    include_directories: inc_dirs,
+    link_with: ztoolkit_lib,
+    dependencies: deps,
+    )
+  test ('rsvg_test', e,
+    args: join_paths(
+      meson.current_source_dir(), 'test.svg'))
+endif