build: Add a new fonts option

Allowing to disable font rendering integration, making it possible to
build Mutter without pango/harfbuzz/fribidi dependencies.

This commit also adds a new clutter-pango header that is used to include
pango specific bits.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4106>

src/tests/clutter/accessibility/cally-atkeditabletext-example.c

@@ -20,6 +20,7 @@
 
 #include <atk/atk.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "cally-examples-util.h"
 

src/tests/clutter/accessibility/cally-atkevents-example.c

@@ -29,6 +29,7 @@
  */
 #include <atk/atk.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "cally-examples-util.h"
 

src/tests/clutter/accessibility/cally-atktext-example.c

@@ -20,6 +20,7 @@
 
 #include <atk/atk.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "cally-examples-util.h"
 

src/tests/clutter/accessibility/cally-clone-example.c

@@ -20,6 +20,7 @@
 
 #include <atk/atk.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "cally-examples-util.h"
 

src/tests/clutter/accessibility/meson.build

@@ -16,12 +16,17 @@ clutter_accessibility_tests_dependencies = [
 
 clutter_accessibility_tests = [
   'cally-atkcomponent-example',
-  'cally-atktext-example',
-  'cally-atkevents-example',
-  'cally-atkeditabletext-example',
-  'cally-clone-example',
 ]
 
+if have_fonts
+  clutter_accessibility_tests += [
+    'cally-atkeditabletext-example',
+    'cally-atkevents-example',
+    'cally-atktext-example',
+    'cally-clone-example',
+  ]
+endif
+
 foreach test : clutter_accessibility_tests
   executable(test,
     sources: [

src/tests/clutter/conform/actor-destroy.c

@@ -76,7 +76,7 @@ test_destroy_init (TestDestroy *self)
   clutter_actor_add_child (CLUTTER_ACTOR (self), self->bg);
   clutter_actor_set_name (self->bg, "Background");
 
-  self->label = clutter_text_new ();
+  self->label = clutter_actor_new ();
   clutter_actor_add_child (CLUTTER_ACTOR (self), self->label);
   clutter_actor_set_name (self->label, "Label");
 }

src/tests/clutter/conform/actor-paint-opacity.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <stdlib.h>
 
 #include "tests/clutter-test-utils.h"

src/tests/clutter/conform/cally-text.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <string.h>
 #include <stdlib.h>
 

src/tests/clutter/conform/meson.build

@@ -20,16 +20,23 @@ clutter_conform_tests_actor_tests = [
   'actor-layout',
   'actor-meta',
   'actor-offscreen-redirect',
-  'actor-paint-opacity',
   'actor-pick',
   'actor-pivot-point',
   'actor-shader-effect',
   'actor-size',
 ]
 
-clutter_conform_tests_classes_tests = [
-  'text',
-]
+clutter_conform_tests_classes_tests = []
+
+if have_fonts
+  clutter_conform_tests_actor_tests += [
+    'actor-paint-opacity',
+  ]
+
+  clutter_conform_tests_classes_tests += [
+    'text',
+  ]
+endif
 
 clutter_conform_tests_general_tests = [
   'binding-pool',

src/tests/clutter/conform/text-cache.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <string.h>
 #include <stdlib.h>
 

src/tests/clutter/conform/text.c

@@ -1,5 +1,6 @@
 #include <glib.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <string.h>
 
 #include "tests/clutter-test-utils.h"

src/tests/clutter/conform/texture-fbo.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <cogl/cogl.h>
 
 #include "test-conform-common.h"

src/tests/clutter/interactive/meson.build

@@ -17,15 +17,20 @@ clutter_tests_interactive_test_sources = [
   'test-grab.c',
   'test-animation.c',
   'test-binding-pool.c',
-  'test-text.c',
-  'test-text-field.c',
-  'test-stage-sizing.c',
-  'test-swipe-action.c',
   'test-cogl-point-sprites.c',
-  'test-content.c',
   'test-keyframe-transition.c',
 ]
 
+if have_fonts
+  clutter_tests_interactive_test_sources += [
+    'test-content.c',
+    'test-stage-sizing.c',
+    'test-swipe-action.c',
+    'test-text.c',
+    'test-text-field.c',
+  ]
+endif
+
 gen_test_unit_names = find_program('meson/gen-test-unit-names.sh')
 clutter_interactive_test_unit_names_h = custom_target('gen-test-unit-names',
   output: 'test-unit-names.h',

src/tests/clutter/interactive/test-content.c

@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <gmodule.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "tests/clutter-test-utils.h"
 

src/tests/clutter/interactive/test-stage-sizing.c

@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <gmodule.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "tests/clutter-test-utils.h"
 

src/tests/clutter/interactive/test-swipe-action.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "tests/clutter-test-utils.h"
 

src/tests/clutter/interactive/test-text-field.c

@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <gmodule.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "tests/clutter-test-utils.h"
 

src/tests/clutter/interactive/test-text.c

@@ -2,6 +2,7 @@
 
 #include <gmodule.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include "tests/clutter-test-utils.h"
 

src/tests/clutter/micro-bench/meson.build

@@ -5,13 +5,18 @@ clutter_tests_micro_bench_c_args = [
 clutter_tests_micro_bench_c_args += clutter_debug_c_args
 
 clutter_tests_micro_bench_tests = [
-  'test-text',
   'test-picking',
-  'test-text-perf',
-  'test-random-text',
   'test-cogl-perf',
 ]
 
+if have_fonts
+  clutter_tests_micro_bench_tests += [
+    'test-text',
+    'test-text-perf',
+    'test-random-text',
+  ]
+endif
+
 foreach test : clutter_tests_micro_bench_tests
   executable(test,
     sources: [

src/tests/clutter/micro-bench/test-random-text.c

@@ -1,5 +1,6 @@
 #include <gmodule.h>
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 #include <stdlib.h>
 
 #include "tests/clutter-test-utils.h"

src/tests/clutter/micro-bench/test-text-perf.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include <stdlib.h>
 #include <string.h>

src/tests/clutter/micro-bench/test-text.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include <stdlib.h>
 #include <string.h>

src/tests/clutter/performance/meson.build

@@ -8,9 +8,14 @@ clutter_tests_performance_c_args += clutter_debug_c_args
 
 clutter_tests_performance_tests = [
   'test-picking',
-  'test-text-perf',
 ]
 
+if have_fonts
+  clutter_tests_performance_tests += [
+    'test-text-perf',
+  ]
+endif
+
 foreach test : clutter_tests_performance_tests
   executable(test,
     sources: [

src/tests/clutter/performance/test-text-perf.c

@@ -1,4 +1,5 @@
 #include <clutter/clutter.h>
+#include <clutter/clutter-pango.h>
 
 #include <stdlib.h>
 #include <string.h>