MacOS: Build examples as application bundles

This is required on MacOS to make the examples usable.  When run as bare
programs, they don't show up as normal windows or receive keyboard input.

1 files changed, 79 insertions, 52 deletions

diff --git a/examples/meson.build b/examples/meson.build
index d57fea4..a4bf84c 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -74,58 +74,85 @@ endif
 
 subdir('shaders')
 
-# Build GL examples
-if opengl_dep.found()
-  foreach example : gl_examples
-    source = [example]
-    target = example.split('.')[0]
-    dependencies = [gl_backend_dep]
-    defines = []
-
-    if target == 'pugl_shader_demo'
-      source += ['file_utils.c', 'glad/glad.c']
-      dependencies += [dl_dep]
-      defines += ['-D_POSIX_C_SOURCE=200809L']
-    elif target == 'pugl_print_events'
-      dependencies += [stub_backend_dep]
-    endif
-
-    executable(target, source,
-               include_directories: includes,
-               c_args: example_defines + example_c_args + defines,
-               cpp_args: example_defines + example_cpp_args + defines,
-               dependencies: dependencies)
-  endforeach
-endif
+if host_machine.system() == 'darwin'
+  # On Darwin, build examples as application bundles (required to work properly)
 
-# Build Cairo examples
-if cairo_dep.found()
-  foreach example : cairo_examples
-    target = example.split('.')[0]
-    executable(target, example,
-               include_directories: includes,
-               c_args: example_defines + example_c_args,
-               dependencies: [pugl_dep, cairo_backend_dep])
-  endforeach
-endif
+  subdir('pugl_cursor_demo.app')
+
+  if cairo_dep.found()
+    subdir('pugl_cairo_demo.app')
+  endif
 
-# Build Vulkan examples
-if vulkan_dep.found()
-  foreach example : vulkan_examples
-    source = [example]
-    target = example.split('.')[0]
-    dependencies = [dl_dep, vulkan_backend_dep]
-    defines = []
-
-    if target == 'pugl_vulkan_cpp_demo'
-      source += ['file_utils.c']
-      defines += ['-D_POSIX_C_SOURCE=200809L']
-    endif
-
-    executable(target, source,
-               include_directories: includes,
-               c_args: example_defines + example_c_args + defines,
-               cpp_args: example_defines + example_cpp_args + defines,
-               dependencies: dependencies)
-  endforeach
+  if opengl_dep.found()
+    subdir('pugl_cpp_demo.app')
+    subdir('pugl_embed_demo.app')
+    subdir('pugl_shader_demo.app')
+    subdir('pugl_window_demo.app')
+  endif
+
+  if vulkan_dep.found()
+    subdir('pugl_vulkan_cpp_demo.app')
+    subdir('pugl_vulkan_demo.app')
+  endif
+
+else
+  # On all other platforms, build examples as simple programs
+
+  # Build GL examples
+  if opengl_dep.found()
+    foreach example : gl_examples
+      source = [example]
+      target = example.split('.')[0]
+      dependencies = [gl_backend_dep]
+      defines = []
+
+      if target == 'pugl_shader_demo'
+        source += ['file_utils.c', 'glad/glad.c']
+        dependencies += [dl_dep]
+        defines += ['-D_POSIX_C_SOURCE=200809L']
+      elif target == 'pugl_print_events'
+        dependencies += [stub_backend_dep]
+      elif target == 'pugl_cpp_demo'
+        dependencies += [puglpp_dep]
+      endif
+
+      executable(target, source,
+                 include_directories: includes,
+                 c_args: example_defines + example_c_args + defines,
+                 cpp_args: example_defines + example_cpp_args + defines,
+                 dependencies: dependencies)
+    endforeach
+  endif
+
+  # Build Cairo examples
+  if cairo_dep.found()
+    foreach example : cairo_examples
+      target = example.split('.')[0]
+      executable(target, example,
+                 include_directories: includes,
+                 c_args: example_defines + example_c_args,
+                 dependencies: [pugl_dep, cairo_backend_dep])
+    endforeach
+  endif
+
+  # Build Vulkan examples
+  if vulkan_dep.found()
+    foreach example : vulkan_examples
+      source = [example]
+      target = example.split('.')[0]
+      dependencies = [dl_dep, vulkan_backend_dep]
+      defines = []
+
+      if target == 'pugl_vulkan_cpp_demo'
+        source += ['file_utils.c']
+        defines += ['-D_POSIX_C_SOURCE=200809L']
+      endif
+
+      executable(target, source,
+                 include_directories: includes,
+                 c_args: example_defines + example_c_args + defines,
+                 cpp_args: example_defines + example_cpp_args + defines,
+                 dependencies: dependencies)
+    endforeach
+  endif
 endif