start migration from wf-shell to gtk-layer-shell

1. update to wf-shell-v2
2. add gtk-layer-shell as dependency
3. start porting autohiding window to layer-shell

Author: ammen99

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "subprojects/gtk-layer-shell"]
+	path = subprojects/gtk-layer-shell
+	url = https://github.com/wmww/gtk-layer-shell

meson.build

@@ -6,7 +6,7 @@ project(
 	license: 'MIT',
 	meson_version: '>=0.43.0',
 	default_options: [
-		'cpp_std=c++11',
+		'cpp_std=c++14',
         'c_std=c11',
 		'warning_level=2',
 		'werror=false',
@@ -17,14 +17,15 @@ wayland_client = dependency('wayland-client')
 wayland_protos = dependency('wayland-protocols')
 gtkmm          = dependency('gtkmm-3.0')
 wfconfig       = dependency('wf-config') #TODO fallback submodule
+gtklayershell  = dependency('gtk-layer-shell-0', fallback: ['gtk-layer-shell', 'gtk_layer_shell_dep'])
 
 needs_libinotify = ['freebsd', 'dragonfly'].contains(host_machine.system())
 libinotify       = dependency('libinotify', required: needs_libinotify)
 
 add_project_arguments(['-Wno-pedantic', '-Wno-unused-parameter', '-Wno-parentheses', '-Wno-cast-function-type'], language: 'cpp')
 
 icon_dir = join_paths(get_option('prefix'), 'share', 'wayfire', 'icons')
-add_global_arguments('-DICONDIR="' + icon_dir + '"', language : 'cpp')
+add_project_arguments('-DICONDIR="' + icon_dir + '"', language : 'cpp')
 
 subdir('proto')
 subdir('data')

proto/meson.build

@@ -15,10 +15,8 @@ wayland_scanner_client = generator(
 )
 
 client_protocols = [
-    [wl_protocol_dir, 'unstable/xdg-output/xdg-output-unstable-v1.xml'],
-    [wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
-    'wayfire-shell.xml',
-    'wlr-foreign-toplevel-management-unstable-v1.xml'
+    'wlr-foreign-toplevel-management-unstable-v1.xml',
+    'wayfire-shell-unstable-v2.xml',
 ]
 
 wl_protos_src = []

proto/wayfire-shell-unstable-v2.xml

@@ -0,0 +1,110 @@
+<protocol name="wayfire_shell">
+  <interface name="zwf_shell_manager_v2" version="1">
+    <description summary="DE integration">
+      This protocol provides additional events and requests for special DE
+      clients like panels, docks, etc.
+
+      It is meant as an addition for protocols like wlr-layer-shell.
+    </description>
+
+    <request name="get_wf_output">
+      <description summary="Create a wf_output from the given output"/>
+      <arg name="output" type="object" interface="wl_output"/>
+      <arg name="id" type="new_id" interface="zwf_output_v2"/>
+    </request>
+
+    <request name="get_wf_surface">
+      <description summary="Create a wf_surface from the given wl_surface"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+      <arg name="id" type="new_id" interface="zwf_surface_v2"/>
+    </request>
+  </interface>
+
+  <interface name="zwf_output_v2" version="1">
+    <description summary="A wrapper for wl_output">
+      Represents a single output.
+      Each output is managed independently from the others.
+    </description>
+
+    <event name="enter_fullscreen">
+      <description summary="A window was fullscreened">
+        Emitted when a window gets fullscreened on the given output. In this
+        mode, windows in the TOP layer are not visible.
+
+        There will be no two consecutive enter_fullscreen calls, i.e. if
+        fullscreen mode is entered it will be exited before going into this mode
+        again.
+      </description>
+    </event>
+
+    <event name="leave_fullscreen">
+      <description summary="A window was fullscreened">
+        Emitted when the output is no longer in fullscreen mode. Each
+        leave_fullscreen has a corresponding enter_fullscreen before it.
+      </description>
+    </event>
+
+    <request name="inhibit_output">
+      <description summary="Don't render the output">
+        Request the compositor to not render the output, so the output usually
+        is cleared to black color.  To enable output rendering again, call
+        inhibit_output_done.
+      </description>
+    </request>
+
+    <request name="inhibit_output_done">
+      <description summary="Render the output">
+        Stop inhibiting the output. This must be called as many times as
+        inhibit_output was called to actually uninhibit rendering.
+
+        The inhibit/inhibit_done requests can be called multiple times, even
+        from different apps, so don't assume that a call to inhibit_done would
+        always mean actually starting the rendering process.
+      </description>
+    </request>
+
+    <enum name="hotspot_edge">
+      <entry name="top" value="1"/>
+      <entry name="bottom" value="2"/>
+      <entry name="left" value="4"/>
+      <entry name="right" value="8"/>
+    </enum>
+
+    <request name="create_hotspot">
+      <description summary="Create a hotspot on the output">
+        A hotspot on the output is an edge or a corner region of the
+        output where the mouse has been residing for a given amount of time.
+
+        The hotspot can be used for example for autohiding panels, where the
+        panel is shown when the mouse hovers on the edge of the output for a
+        specific amount of time.
+      </description>
+
+      <arg name="hotspot" type="uint" summary="bitwise or of the edges the output"/>
+      <arg name="threshold" type="uint" summary="distance from the edge of the output"/>
+      <arg name="timeout" type="uint" summary="minimum time for the mouse to be in the hotspot"/>
+      <arg name="id" type="new_id" interface="zwf_hotspot_v2"/>
+    </request>
+  </interface>
+
+  <interface name="zwf_hotspot_v2" version="1">
+    <description summary="An edge of the output defined by 1 or 2 edges"/>
+
+    <event name="triggered">
+      <description summary="Hotspot was triggered">
+        Means that the mouse was inside the indicated hotspot for the given
+        amount of time.
+
+        Emitted at most once for each entry of the mouse inside the hotspot.
+      </description>
+    </event>
+  </interface>
+
+  <interface name="zwf_surface_v2" version="1">
+    <description summary="A special surface"/>
+    <request name="interactive_move">
+      <description summary="Start and interactive move of the surface"/>
+    </request>
+  </interface>
+
+</protocol>

proto/wayfire-shell.xml

@@ -1,5 +1,5 @@
 subdir('util')
-subdir('panel')
-subdir('background')
-subdir('dock')
+#subdir('panel')
+#subdir('background')
+#subdir('dock')