[gtk+] build: Generate wayland protocol files

[Emmanuele Bassi <ebassi src gnome org>]

commit 294ebd70b323e90770892f136e46ed50048279c7
Author: Timm Bäder <mail baedert org>
Date:   Sat Sep 10 20:40:02 2016 +0200

    build: Generate wayland protocol files

 gdk/meson.build                 |  140 +++++++++++++++++++--------------------
 gdk/wayland/genprotocolfiles.py |   47 +++++++++++++
 gdk/wayland/meson.build         |  110 ++++++++++++++++++++++++++++++
 meson.build                     |    2 +-
 meson_options.txt               |    2 +-
 5 files changed, 227 insertions(+), 74 deletions(-)
---
diff --git a/gdk/meson.build b/gdk/meson.build
index 61cf0a3..f7157f3 100644
--- a/gdk/meson.build
+++ b/gdk/meson.build
@@ -132,80 +132,75 @@ gdk_x_private_sources = [
   'x11/gdkdevicemanagerprivate-core.h',
 ]
 
-# gdk_wayland_sources = [
-  # 'wayland/gdkapplaunchcontext-wayland.c',
-  # 'wayland/gdkcursor-wayland.c',
-  # 'wayland/gdkdevice-wayland.c',
-  # 'wayland/gdkdisplay-wayland.c',
-  # 'wayland/gdkdisplay-wayland.h',
-  # 'wayland/gdkdnd-wayland.c',
-  # 'wayland/gdkeventsource.c',
-  # 'wayland/gdkglcontext-wayland.c',
-  # 'wayland/gdkglcontext-wayland.h',
-  # 'wayland/gdkkeys-wayland.c',
-  # 'wayland/gdkmonitor-wayland.c',
-  # 'wayland/gdkmonitor-wayland.h',
-  # 'wayland/gdkscreen-wayland.c',
-  # 'wayland/gdkseat-wayland.h',
-  # 'wayland/gdkselection-wayland.c',
-  # 'wayland/gdkwaylanddevice.h',
-  # 'wayland/gdkwaylanddisplay.h',
-  # 'wayland/gdkwaylandglcontext.h',
-  # 'wayland/gdkwayland.h',
-  # 'wayland/gdkwaylandmonitor.h',
-  # 'wayland/gdkwaylandselection.h',
-  # 'wayland/gdkwaylandwindow.h',
-  # 'wayland/gdkwindow-wayland.c',
-  # 'wayland/wm-button-layout-translation.c',
-  # 'wayland/gtk-primary-selection-protocol.c',
-  # 'wayland/gtk-shell-protocol.c',
-  # 'wayland/xdg-shell-unstable-v5-protocol.c',
-  # 'wayland/pointer-gestures-unstable-v1-protocol.c',
-  # 'wayland/tablet-unstable-v2-protocol.c',
-# ]
+gdk_wayland_sources = files([
+  'wayland/gdkapplaunchcontext-wayland.c',
+  'wayland/gdkcursor-wayland.c',
+  'wayland/gdkdevice-wayland.c',
+  'wayland/gdkdisplay-wayland.c',
+  'wayland/gdkdisplay-wayland.h',
+  'wayland/gdkdnd-wayland.c',
+  'wayland/gdkeventsource.c',
+  'wayland/gdkglcontext-wayland.c',
+  'wayland/gdkglcontext-wayland.h',
+  'wayland/gdkkeys-wayland.c',
+  'wayland/gdkmonitor-wayland.c',
+  'wayland/gdkmonitor-wayland.h',
+  'wayland/gdkscreen-wayland.c',
+  'wayland/gdkseat-wayland.h',
+  'wayland/gdkselection-wayland.c',
+  'wayland/gdkwaylanddevice.h',
+  'wayland/gdkwaylanddisplay.h',
+  'wayland/gdkwaylandglcontext.h',
+  'wayland/gdkwayland.h',
+  'wayland/gdkwaylandmonitor.h',
+  'wayland/gdkwaylandselection.h',
+  'wayland/gdkwaylandwindow.h',
+  'wayland/gdkwindow-wayland.c',
+  'wayland/wm-button-layout-translation.c',
+])
 
-# gdk_wayland_private_sources = [
-  # 'wayland/gdkprivate-wayland.h',
-# ]
+gdk_wayland_private_sources = files([
+  'wayland/gdkprivate-wayland.h',
+])
 
 
 
-# gdk_broadway_sources = [
-  # 'broadway/gdkdisplay-broadway.c',
-  # 'broadway/gdkdisplay-broadway.h',
-  # 'broadway/gdkscreen-broadway.c',
-  # 'broadway/gdkscreen-broadway.h',
-  # 'broadway/broadway-output.c',
-  # 'broadway/broadway-output.h',
-  # 'broadway/broadway-server.h',
-  # 'broadway/broadway-server.c',
-  # 'broadway/gdkbroadway-server.c',
-  # 'broadway/gdkcursor-broadway.c',
-  # 'broadway/gdkvisual-broadway.c',
-  # 'broadway/gdkselection-broadway.c',
-  # 'broadway/gdkwindow-broadway.c',
-  # 'broadway/gdkwindow-broadway.h',
-  # 'broadway/gdkmonitor-broadway.c',
-  # 'broadway/gdkmonitor-broadway.h',
-  # 'broadway/gdkkeys-broadway.c',
-  # 'broadway/gdkglobals-broadway.c',
-  # 'broadway/gdkeventsource.c',
-  # 'broadway/gdkeventsource.h',
-  # 'broadway/gdkdnd-broadway.c',
-  # 'broadway/broadwayd.c',
-  # 'broadway/gdkdevicemanager-broadway.c',
-  # 'broadway/gdkdevicemanager-broadway.h',
-  # 'broadway/gdkdevice-broadway.c',
-  # 'broadway/gdkdevice-broadway.h',
-  # 'broadway/broadway-buffer.c',
-  # 'broadway/broadway-buffer.h',
-  # 'broadway/gdktestutils-broadway.c',
-  # 'broadway/gdkproperty-broadway.c'
-# ]
+gdk_broadway_sources = files([
+  'broadway/gdkdisplay-broadway.c',
+  'broadway/gdkdisplay-broadway.h',
+  'broadway/gdkscreen-broadway.c',
+  'broadway/gdkscreen-broadway.h',
+  'broadway/broadway-output.c',
+  'broadway/broadway-output.h',
+  'broadway/broadway-server.h',
+  'broadway/broadway-server.c',
+  'broadway/gdkbroadway-server.c',
+  'broadway/gdkcursor-broadway.c',
+  'broadway/gdkvisual-broadway.c',
+  'broadway/gdkselection-broadway.c',
+  'broadway/gdkwindow-broadway.c',
+  'broadway/gdkwindow-broadway.h',
+  'broadway/gdkmonitor-broadway.c',
+  'broadway/gdkmonitor-broadway.h',
+  'broadway/gdkkeys-broadway.c',
+  'broadway/gdkglobals-broadway.c',
+  'broadway/gdkeventsource.c',
+  'broadway/gdkeventsource.h',
+  'broadway/gdkdnd-broadway.c',
+  'broadway/broadwayd.c',
+  'broadway/gdkdevicemanager-broadway.c',
+  'broadway/gdkdevicemanager-broadway.h',
+  'broadway/gdkdevice-broadway.c',
+  'broadway/gdkdevice-broadway.h',
+  'broadway/broadway-buffer.c',
+  'broadway/broadway-buffer.h',
+  'broadway/gdktestutils-broadway.c',
+  'broadway/gdkproperty-broadway.c'
+])
 
-# gdk_broadway_private_sources = [
-  # 'broadway/gdkprivate-broadway.h'
-# ]
+gdk_broadway_private_sources = files([
+  'broadway/gdkprivate-broadway.h'
+])
 
 # glsl_sources = [
   # 'gl3-texture-2d.fs.glsl',
@@ -296,7 +291,7 @@ gdkversionmacros = configure_file(
 )
 
 xinc = include_directories('x11')
-wlinc = include_directories('wayland')
+wlinc = include_directories('.')
 
 
 gdk_deps = [
@@ -342,6 +337,7 @@ if x11_enabled
 endif
 
 if wayland_enabled
+  subdir('wayland')
   gdk_deps += [
     shmlib,
     xkbdep,
@@ -370,7 +366,7 @@ endif
 libgdk = shared_library('gdk',
   gdk_sources,
   c_args: ['-DHAVE_CONFIG_H', '-DGDK_COMPILATION'],
-  include_directories: [confinc, xinc],
+  include_directories: [confinc, xinc, wlinc],
   dependencies: gdk_deps,
 )
 
@@ -378,7 +374,7 @@ libgdk = shared_library('gdk',
 libgdk_dep = declare_dependency(
   sources: ['gdk.h', gdkconfig, gdkenum_h],
   depends: gdk_sources,
-  include_directories: [confinc, xinc],
+  include_directories: [confinc, xinc, wlinc],
   dependencies: gdk_deps,
   link_with: libgdk
 )
diff --git a/gdk/wayland/genprotocolfiles.py b/gdk/wayland/genprotocolfiles.py
new file mode 100755
index 0000000..187f8ff
--- /dev/null
+++ b/gdk/wayland/genprotocolfiles.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import sys
+import re
+import shutil
+import subprocess
+
+scanner  = sys.argv[1]
+in_file  = sys.argv[2]
+out_file = sys.argv[3]
+#TODO: We can infer this optinon from the name of the output file!
+option   = sys.argv[4]
+
+
+
+pc = subprocess.Popen([scanner, option , in_file , out_file], stdout=subprocess.PIPE)
+(stdo, _) = pc.communicate()
+if pc.returncode != 0:
+    sys.exit(pc.returncode)
+
+# Now read the generated file again and remove all WL_EXPORTs
+content = ""
+with open(out_file, 'r') as content_file:
+    content = content_file.read()
+
+content = content.replace("WL_EXPORT", "")
+ofile = open(out_file, 'w')
+ofile.write(content)
+ofile.close()
+
+
+
+# unstable = False
+
+# if "unstable" in out_file:
+    # unstable = True
+
+
+# if out_file.endswith("-protocol.c"):
+    # print("protocol source")
+# elif out_file.endswith("-client-protocol.h"):
+    # print("client protocol header")
+# elif out_file.endswith("-server-protocol.h"):
+    # print("server protocol header")
+# else:
+    # print("ERROR: '",out_file,"' is not a valid output file")
diff --git a/gdk/wayland/meson.build b/gdk/wayland/meson.build
new file mode 100644
index 0000000..85cac8b
--- /dev/null
+++ b/gdk/wayland/meson.build
@@ -0,0 +1,110 @@
+
+
+if wayland_enabled
+  #TODO: This should come from pkg-config --variable=pkgdatadir wayland-protocols
+  wayland_protocols_datadir = '/home/baedert/Source/gnome-configure/share/wayland-protocols/'
+  wayland_scanner = find_program('wayland-scanner')
+  genprotocols = find_program('genprotocolfiles.py')
+
+  gtk_shell_h = custom_target(
+    'gtk shell protocol header',
+    input  : 'protocol/gtk-shell.xml',
+    output : 'gtk-shell-client-protocol.h',
+    command: [genprotocols, wayland_scanner, '@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  gtk_shell_c = custom_target(
+    'gtk shell protocol source',
+    input  : 'protocol/gtk-shell.xml',
+    output : 'gtk-shell-protocol.c',
+    command: [genprotocols, wayland_scanner, '@INPUT@', '@OUTPUT@', 'code']
+  )
+
+  pointer_gestures_h = custom_target(
+    'pointer gestures header',
+    input  : wayland_protocols_datadir + 'unstable/pointer-gestures/pointer-gestures-unstable-v1.xml',
+    output : 'pointer-gestures-unstable-v1-client-protocol.h',
+    command: [genprotocols, wayland_scanner, '@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  pointer_gestures_c = custom_target(
+    'pointer gestures source',
+    input  : wayland_protocols_datadir + 'unstable/pointer-gestures/pointer-gestures-unstable-v1.xml',
+    output : 'pointer-gestures-unstable-v1-protocol.c',
+    command: [genprotocols, wayland_scanner, '@INPUT@', '@OUTPUT@', 'code']
+  )
+
+  primary_selection_h = custom_target(
+    'primary selection header',
+    input  : 'protocol/gtk-primary-selection.xml',
+    output : 'gtk-primary-selection-client-protocol.h',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  primary_selection_c = custom_target(
+    'primary selection source',
+    input  : 'protocol/gtk-primary-selection.xml',
+    output : 'gtk-primary-selection-protocol.c',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'code']
+  )
+
+  xdg_shell_h = custom_target(
+    'xdg shell v6 header',
+    input  : wayland_protocols_datadir + 'unstable/xdg-shell/xdg-shell-unstable-v6.xml',
+    output : 'xdg-shell-unstable-v6-client-protocol.h',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  xdg_shell_c = custom_target(
+    'xdg shell v6 source',
+    input  : wayland_protocols_datadir + 'unstable/xdg-shell/xdg-shell-unstable-v6.xml',
+    output : 'xdg-shell-unstable-v6-protocol.c',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'code']
+  )
+
+  xdg_foreign_h = custom_target(
+    'xdg foreign v1 header',
+    input  : wayland_protocols_datadir + 'unstable/xdg-foreign/xdg-foreign-unstable-v1.xml',
+    output : 'xdg-foreign-unstable-v1-client-protocol.h',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  xdg_foreign_c = custom_target(
+    'xdg foreign v1 source',
+    input  : wayland_protocols_datadir + 'unstable/xdg-foreign/xdg-foreign-unstable-v1.xml',
+    output : 'xdg-foreign-unstable-v1-protocol.c',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'code']
+  )
+
+  tablet_h = custom_target(
+    'tablet v2 header',
+    input  : wayland_protocols_datadir + 'unstable/tablet/tablet-unstable-v2.xml',
+    output : 'tablet-unstable-v2-client-protocol.h',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'client-header']
+  )
+
+  tablet_c = custom_target(
+    'tablet v2 source',
+    input  : wayland_protocols_datadir + 'unstable/tablet/tablet-unstable-v2.xml',
+    output : 'tablet-unstable-v2-protocol.c',
+    command: [genprotocols, wayland_scanner,'@INPUT@', '@OUTPUT@', 'code']
+  )
+
+
+
+  gdk_sources += [
+    gtk_shell_c,
+    gtk_shell_h,
+    pointer_gestures_h,
+    pointer_gestures_c,
+    primary_selection_h,
+    primary_selection_c,
+    xdg_shell_h,
+    xdg_shell_c,
+    xdg_foreign_h,
+    xdg_foreign_c,
+    tablet_h,
+    tablet_c
+  ]
+
+endif
diff --git a/meson.build b/meson.build
index aa08960..9c73616 100644
--- a/meson.build
+++ b/meson.build
@@ -184,7 +184,7 @@ configure_file(
 )
 
 subdir('gdk')
-subdir('gtk')
+# subdir('gtk')
 # subdir('demos')
 # subdir('tests')
 # subdir('testsuite')
diff --git a/meson_options.txt b/meson_options.txt
index 28568a1..e8f8ee6 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,3 +1,3 @@
 option('enable-x11-backend', type: 'boolean', value: 'true')
-option('enable-wayland-backend', type: 'boolean', value: 'false')
+option('enable-wayland-backend', type: 'boolean', value: 'true')
 option('enable-broadway-backend', type: 'boolean', value: 'false')