Add settings app

.gitignore

@@ -1,2 +1,4 @@
 build/
+subprojects/packagecache
+subprojects/*-*
 *.core

meson.build

@@ -13,24 +13,31 @@ gtk = dependency('gtk+-wayland-3.0', version: '>=3.22.0')
 gtkmm = dependency('gtkmm-3.0', version: '>=3.22.0')
 cairomm = dependency('cairomm-1.0')
 wayland_client = dependency('wayland-client')
+flatbuffers = dependency('Flatbuffers', method: 'cmake', modules: ['flatbuffers::flatbuffers_shared'])
+fmtlib = subproject('fmt').get_variable('fmt_dep')
 
 gnome = import('gnome')
+i18n = import('i18n')
 
 conf_data = configuration_data()
 conf_data.set_quoted('N9_LIBEXEC_DIR', get_option('prefix') / get_option('libexecdir'))
+conf_data.set_quoted('GETTEXT_PACKAGE', meson.project_name())
 configure_file(output: 'n9config.h', configuration: conf_data)
 conf_dir = include_directories('.')
 
 subdir('protocols')
+subdir('schemas')
 subdir('dbus')
+
 subdir('supervisor')
 subdir('gtk-lsh')
 subdir('wallpaper')
 subdir('panel')
 subdir('launcher')
 subdir('notification-daemon')
+subdir('settings')
 
-all_srcs = [ lsh_srcs, supervisor_srcs_all, wallpaper_srcs, panel_srcs, launcher_srcs, nd_srcs ]
+all_srcs = [ lsh_srcs, supervisor_srcs_all, wallpaper_srcs, panel_srcs, launcher_srcs, nd_srcs, settings_app_srcs ]
 all_hdrs = [ lsh_hdrs, supervisor_hdrs, wallpaper_hdrs, panel_hdrs, launcher_hdrs ]
 
 prog_clang_format = find_program('clang-format80', 'clang-format70', 'clang-format60', 'clang-format', required: false)

protocols/meson.build

@@ -14,6 +14,9 @@ wl_client_header = generator(prog_scanner,
 capabilities_code = wl_code.process('wldip-capabilities.xml')
 capabilities_client_header = wl_client_header.process('wldip-capabilities.xml')
 
+compositor_management_code = wl_code.process('wldip-compositor-manager.xml')
+compositor_management_client_header = wl_client_header.process('wldip-compositor-manager.xml')
+
 layer_shell_code = wl_code.process('wlr-layer-shell-unstable-v1.xml')
 layer_shell_client_header = wl_client_header.process('wlr-layer-shell-unstable-v1.xml')
 

protocols/wldip-compositor-manager.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="wldip_compositor_manager">
+
+  <interface name="wldip_compositor_manager" version="1">
+    <description summary="privileged protocol for managing Weston compositor internals">
+      This protocol allows external privileged applications to get dumps of the important bits
+      of the compositor state (as file descriptors to flatbuffer serializations), both
+      on demand and as notifications for events,
+      and to tell the compositor to change some bits of the state.
+    </description>
+
+    <enum name="topic" bitfield="true">
+      <entry name="surfaces" value="1" summary="notify on surface events"/>
+      <entry name="outputs" value="2" summary="notify on output and head events"/>
+      <entry name="inputdevs" value="4" summary="notify on input device and seat events"/>
+    </enum>
+
+    <request name="subscribe">
+      <description summary="subscribe to updates">
+        Requests the compositor to send update events when there's any event that
+        corresponds to one of the topics selected via the topics bitfield.
+
+        There is no way to unsubscribe currently, as the intended users of the protocol
+        are simple daemons that synchronize the state a settings store like dconf,
+        panels that always need to know current surfaces, etc.
+      </description>
+      <arg name="topics" type="uint" enum="topic"/>
+    </request>
+
+    <request name="get">
+      <description summary="request one update">
+        Requests one update event from the compositor.
+      </description>
+    </request>
+
+    <event name="update">
+      <arg name="state" type="fd" summary="descriptor to a wlst format file"/>
+    </event>
+
+    <request name="desktop_surface_activate">
+      <arg name="surface_uid" type="uint" summary="uid of surface"/>
+    </request>
+
+    <request name="output_set_scale">
+      <arg name="output_id" type="uint" summary="id of the output"/>
+      <arg name="scale" type="fixed" summary="desired scale"/>
+    </request>
+
+    <request name="device_set_natural_scrolling">
+      <arg name="seat_idx" type="uint" summary="index of the seat"/>
+      <arg name="device_idx" type="uint" summary="index of the input device"/>
+      <arg name="enable" type="uint" summary="desired state of natural scrolling (bool)"/>
+    </request>
+
+  </interface>
+
+</protocol>

schemas/Management.fbs

@@ -0,0 +1,176 @@
+namespace wldip.compositor_management;
+
+file_extension "wlst";
+file_identifier "WLST";
+
+table DesktopSurface {
+	title: string;
+	app_id: string;
+	pid: uint64;
+	activated: bool;
+	maximized: bool;
+	fullscreen: bool;
+	resizing: bool;
+	max_width: int32;
+	max_height: int32;
+	min_width: int32;
+	min_height: int32;
+}
+
+enum Role : ubyte {
+	Other,
+	XdgToplevel,
+	Lsh,
+}
+
+table Surface {
+	uid: uint64;
+	role: Role;
+	other_role: string;
+	label: string;
+	width: int32;
+	height: int32;
+	desktop: DesktopSurface; // present when role == XdgToplevel
+	primary_output_id: int32;
+}
+
+// We expose more details than wl_output: internal connection, head vs output..
+
+table Head {
+	name: string;
+	output_id: int32;
+	mm_width: int32;
+	mm_height: int32;
+	make: string;
+	model: string;
+	serial_number: string;
+	subpixel: uint32; // TODO Enum?
+	connection_internal: bool;
+	connected: bool;
+	non_desktop: bool;
+}
+
+table Output {
+	id: uint32;
+	name: string;
+	x: int32;
+	y: int32;
+	width: int32;
+	height: int32;
+	current_scale: float = 1;
+	original_scale: float = 1;
+}
+
+enum DeviceCapability : ubyte {
+	Keyboard = 0,
+	Pointer = 1,
+	Touch = 2,
+	TabletTool = 3,
+	TabletPad = 4,
+	Gesture = 5,
+	Switch = 6,
+}
+
+enum TapButtonMap : uint32 {
+	LeftRightMiddle = 0,
+	LeftMiddleRight = 1,
+}
+
+enum SendEventsMode : uint32 {
+	Enabled = 0,
+	Disabled = 1,
+	DisabledOnExternalMouse = 2,
+}
+
+enum AccelerationProfile : uint32 {
+	None = 0,
+	Flat = 1,
+	Adaptive = 2,
+}
+
+enum ClickMethod : uint32 {
+	None = 0,
+	ButtonAreas = 1,
+	ClickFinger = 2,
+}
+
+enum ScrollMethod : uint32 {
+	None = 0,
+	TwoFingers = 1,
+	Edge = 2,
+	OnButtonDown = 4,
+}
+
+table InputDevice {
+	product_id: uint32;
+	vendor_id: uint32;
+	mm_width: double;
+	mm_height: double;
+	touch_count: int32;
+	tap_finger_count: int32;
+	tap_click_default: bool;
+	tap_click: bool;
+	tap_click_button_map: TapButtonMap;
+	tap_click_button_map_default: TapButtonMap;
+	tap_drag_default: bool;
+	tap_drag: bool;
+	drag_lock_default: bool;
+	drag_lock: bool;
+	send_events_mode_default: SendEventsMode;
+	send_events_mode: SendEventsMode;
+	acceleration_speed_default: double;
+	acceleration_speed: double;
+	acceleration_profile_default: AccelerationProfile;
+	acceleration_profile: AccelerationProfile;
+	natural_scrolling_available: bool;
+	natural_scrolling_default: bool;
+	natural_scrolling: bool;
+	left_handed_mode_available: bool;
+	left_handed_mode_default: bool;
+	left_handed_mode: bool;
+	available_click_methods: [ClickMethod];
+	click_method_default: ClickMethod;
+	click_method: ClickMethod;
+	middle_emulation_available: bool;
+	middle_emulation_default: bool;
+	middle_emulation: bool;
+	available_scroll_methods: [ScrollMethod];
+	scroll_method_default: ScrollMethod;
+	scroll_method: ScrollMethod;
+	scroll_button_default: uint32;
+	scroll_button: uint32;
+	disable_while_typing_available: bool;
+	disable_while_typing_default: bool;
+	disable_while_typing: bool;
+	rotation_available: bool;
+	rotation_degrees_cw_default: uint32;
+	rotation_degrees_cw: uint32;
+	capabilites: [DeviceCapability];
+	name: string;
+	system_name: string;
+}
+
+// table Keymap {
+// 	rules: string;
+// 	model: string;
+// 	layout: string;
+// 	variant: string;
+// 	options: string;
+// }
+
+table Seat {
+	name: string;
+//	keymap: Keymap;
+	input_devices: [InputDevice];
+}
+
+table CompositorState {
+	kb_repeat_rate: int32;
+	kb_repeat_delay: int32;
+	heads: [Head];
+	outputs: [Output];
+	seats: [Seat];
+	surfaces: [Surface];
+}
+
+root_type CompositorState;

schemas/meson.build

@@ -0,0 +1,6 @@
+prog_flatc = find_program('flatc')
+flatc = generator(prog_flatc,
+	output: '@BASENAME@_generated.h',
+	arguments: ['--cpp', '-o', '@BUILD_DIR@', '@EXTRA_ARGS@', '@INPUT@'])
+
+compositor_management_fb = flatc.process('Management.fbs')