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Add .clang-format and apply

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This commit is contained in:
Johan Malm 2019-12-27 21:22:45 +00:00
parent 23a07aaed9
commit 7732869870
8 changed files with 513 additions and 293 deletions
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166
.clang-format Normal file
View file

@ -0,0 +1,166 @@
# Copied from https://github.com/git/git/blob/master/.clang-format
# under GPL-2.0.
UseTab: Always
TabWidth: 8
IndentWidth: 8
ContinuationIndentWidth: 8
ColumnLimit: 80
# C Language specifics
Language: Cpp
# Align parameters on the open bracket
# someLongFunction(argument1,
# argument2);
AlignAfterOpenBracket: Align
# Don't align consecutive assignments
# int aaaa = 12;
# int b = 14;
AlignConsecutiveAssignments: false
# Don't align consecutive declarations
# int aaaa = 12;
# double b = 3.14;
AlignConsecutiveDeclarations: false
# Align escaped newlines as far left as possible
# #define A \
# int aaaa; \
# int b; \
# int cccccccc;
AlignEscapedNewlines: Left
# Align operands of binary and ternary expressions
# int aaa = bbbbbbbbbbb +
# cccccc;
AlignOperands: true
# Don't align trailing comments
# int a; // Comment a
# int b = 2; // Comment b
AlignTrailingComments: false
# By default don't allow putting parameters onto the next line
# myFunction(foo, bar, baz);
AllowAllParametersOfDeclarationOnNextLine: false
# Don't allow short braced statements to be on a single line
# if (a) not if (a) return;
# return;
AllowShortBlocksOnASingleLine: false
AllowShortCaseLabelsOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
# By default don't add a line break after the return type of top-level functions
# int foo();
AlwaysBreakAfterReturnType: None
# Pack as many parameters or arguments onto the same line as possible
# int myFunction(int aaaaaaaaaaaa, int bbbbbbbb,
# int cccc);
BinPackArguments: true
BinPackParameters: true
# Attach braces to surrounding context except break before braces on function
# definitions.
# void foo()
# {
# if (true) {
# } else {
# }
# };
BreakBeforeBraces: Linux
# Break after operators
# int valuve = aaaaaaaaaaaaa +
# bbbbbb -
# ccccccccccc;
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: false
# Don't break string literals
BreakStringLiterals: false
# Use the same indentation level as for the switch statement.
# Switch statement body is always indented one level more than case labels.
IndentCaseLabels: false
# Don't indent a function definition or declaration if it is wrapped after the
# type
IndentWrappedFunctionNames: false
# Align pointer to the right
# int *a;
PointerAlignment: Right
# Don't insert a space after a cast
# x = (int32)y; not x = (int32) y;
SpaceAfterCStyleCast: false
# Insert spaces before and after assignment operators
# int a = 5; not int a=5;
# a += 42; a+=42;
SpaceBeforeAssignmentOperators: true
# Put a space before opening parentheses only after control statement keywords.
# void f() {
# if (true) {
# f();
# }
# }
SpaceBeforeParens: ControlStatements
# Don't insert spaces inside empty '()'
SpaceInEmptyParentheses: false
# The number of spaces before trailing line comments (// - comments).
# This does not affect trailing block comments (/* - comments).
SpacesBeforeTrailingComments: 1
# Don't insert spaces in casts
# x = (int32) y; not x = ( int32 ) y;
SpacesInCStyleCastParentheses: false
# Don't insert spaces inside container literals
# var arr = [1, 2, 3]; not var arr = [ 1, 2, 3 ];
SpacesInContainerLiterals: false
# Don't insert spaces after '(' or before ')'
# f(arg); not f( arg );
SpacesInParentheses: false
# Don't insert spaces after '[' or before ']'
# int a[5]; not int a[ 5 ];
SpacesInSquareBrackets: false
# Insert a space after '{' and before '}' in struct initializers
Cpp11BracedListStyle: false
# A list of macros that should be interpreted as foreach loops instead of as
# function calls.
ForEachMacros:
- 'wl_list_for_each'
- 'wl_list_for_each_reverse'
# The maximum number of consecutive empty lines to keep.
MaxEmptyLinesToKeep: 1
# No empty line at the start of a block.
KeepEmptyLinesAtTheStartOfBlocks: false
# Penalties
# This decides what order things should be done if a line is too long
PenaltyBreakAssignment: 10
PenaltyBreakBeforeFirstCallParameter: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 10
PenaltyExcessCharacter: 100
PenaltyReturnTypeOnItsOwnLine: 60
# Don't sort #include's
SortIncludes: false

11
labwc.h
View file

@ -82,10 +82,7 @@ struct output {
struct wl_listener frame;
};
enum view_type {
LAB_XDG_SHELL_VIEW,
LAB_XWAYLAND_VIEW
};
enum view_type { LAB_XDG_SHELL_VIEW, LAB_XWAYLAND_VIEW };
struct view {
enum view_type type;
@ -136,10 +133,12 @@ void xwl_surface_new(struct wl_listener *listener, void *data);
void focus_view(struct view *view, struct wlr_surface *surface);
void view_focus_next_toplevel(struct server *server);
void begin_interactive(struct view *view, enum cursor_mode mode, uint32_t edges);
void begin_interactive(struct view *view, enum cursor_mode mode,
uint32_t edges);
bool is_toplevel(struct view *view);
struct view *desktop_view_at(struct server *server, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy);
struct wlr_surface **surface, double *sx,
double *sy);
/* TODO: try to refactor to remove from header file */
struct view *first_toplevel(struct server *server);

245
main.c
View file

@ -6,10 +6,11 @@
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_primary_selection_v1.h>
static struct view *last_toplevel(struct server *server) {
static struct view *last_toplevel(struct server *server)
{
struct view *view;
wl_list_for_each_reverse(view, &server->views, link) {
wl_list_for_each_reverse (view, &server->views, link) {
if (!view->been_mapped) {
continue;
}
@ -21,7 +22,8 @@ static struct view *last_toplevel(struct server *server) {
return NULL;
}
static void view_focus_last_toplevel(struct server *server) {
static void view_focus_last_toplevel(struct server *server)
{
/* TODO: write view_nr_toplevel_views() */
if (wl_list_length(&server->views) < 2) {
return;
@ -30,25 +32,26 @@ static void view_focus_last_toplevel(struct server *server) {
focus_view(view, view->surface);
}
static void keyboard_handle_modifiers(
struct wl_listener *listener, void *data) {
static void keyboard_handle_modifiers(struct wl_listener *listener, void *data)
{
/* This event is raised when a modifier key, such as shift or alt, is
* pressed. We simply communicate this to the client. */
struct keyboard *keyboard =
wl_container_of(listener, keyboard, modifiers);
/*
* A seat can only have one keyboard, but this is a limitation of the
* Wayland protocol - not wlroots. We assign all connected keyboards to the
* same seat. You can swap out the underlying wlr_keyboard like this and
* wlr_seat handles this transparently.
* Wayland protocol - not wlroots. We assign all connected keyboards to
* the same seat. You can swap out the underlying wlr_keyboard like this
* and wlr_seat handles this transparently.
*/
wlr_seat_set_keyboard(keyboard->server->seat, keyboard->device);
/* Send modifiers to the client. */
wlr_seat_keyboard_notify_modifiers(keyboard->server->seat,
&keyboard->device->keyboard->modifiers);
wlr_seat_keyboard_notify_modifiers(
keyboard->server->seat, &keyboard->device->keyboard->modifiers);
}
static void xdg_debug_show_one_view(struct view *view) {
static void xdg_debug_show_one_view(struct view *view)
{
fprintf(stderr, "XDG ");
switch (view->xdg_surface->role) {
case WLR_XDG_SURFACE_ROLE_NONE:
@ -63,32 +66,30 @@ static void xdg_debug_show_one_view(struct view *view) {
}
fprintf(stderr, " %p %s", (void *)view,
view->xdg_surface->toplevel->app_id);
fprintf(stderr, " {%d, %d, %d, %d}\n",
view->xdg_surface->geometry.x,
fprintf(stderr, " {%d, %d, %d, %d}\n", view->xdg_surface->geometry.x,
view->xdg_surface->geometry.y,
view->xdg_surface->geometry.height,
view->xdg_surface->geometry.width);
}
static void xwl_debug_show_one_view(struct view *view) {
static void xwl_debug_show_one_view(struct view *view)
{
fprintf(stderr, "XWL ");
if (!view->been_mapped) {
fprintf(stderr, "- ");
} else {
fprintf(stderr, "%d ", xwl_nr_parents(view));
}
fprintf(stderr, " %d ", wl_list_length(&view->xwayland_surface->children));
fprintf(stderr, " %d ",
wl_list_length(&view->xwayland_surface->children));
if (view->mapped) {
fprintf(stderr, "Y");
} else {
fprintf(stderr, "-");
}
fprintf(stderr, " %p %s {%d,%d,%d,%d}\n",
(void *)view,
view->xwayland_surface->class,
view->xwayland_surface->x,
view->xwayland_surface->y,
view->xwayland_surface->width,
fprintf(stderr, " %p %s {%d,%d,%d,%d}\n", (void *)view,
view->xwayland_surface->class, view->xwayland_surface->x,
view->xwayland_surface->y, view->xwayland_surface->width,
view->xwayland_surface->height);
/*
* Other variables to consider printing:
@ -104,27 +105,30 @@ static void xwl_debug_show_one_view(struct view *view) {
*/
}
static void debug_show_one_view(struct view *view) {
static void debug_show_one_view(struct view *view)
{
if (view->type == LAB_XDG_SHELL_VIEW)
xdg_debug_show_one_view(view);
else if (view->type == LAB_XWAYLAND_VIEW)
xwl_debug_show_one_view(view);
}
static void debug_show_views(struct server *server) {
static void debug_show_views(struct server *server)
{
struct view *view;
fprintf(stderr, "---\n");
fprintf(stderr, "TYPE NR_PNT NR_CLD MAPPED VIEW-POINTER NAME\n");
wl_list_for_each_reverse(view, &server->views, link)
wl_list_for_each_reverse (view, &server->views, link)
debug_show_one_view(view);
}
static bool handle_keybinding(struct server *server, xkb_keysym_t sym) {
static bool handle_keybinding(struct server *server, xkb_keysym_t sym)
{
/*
* Here we handle compositor keybindings. This is when the compositor is
* processing keys, rather than passing them on to the client for its own
* processing.
* processing keys, rather than passing them on to the client for its
* own processing.
*
* This function assumes Alt is held down.
*/
@ -142,8 +146,8 @@ static bool handle_keybinding(struct server *server, xkb_keysym_t sym) {
}
break;
case XKB_KEY_F6:
begin_interactive(first_toplevel(server),
TINYWL_CURSOR_MOVE, 0);
begin_interactive(first_toplevel(server), TINYWL_CURSOR_MOVE,
0);
break;
case XKB_KEY_F12:
debug_show_views(server);
@ -154,11 +158,10 @@ static bool handle_keybinding(struct server *server, xkb_keysym_t sym) {
return true;
}
static void keyboard_handle_key(
struct wl_listener *listener, void *data) {
static void keyboard_handle_key(struct wl_listener *listener, void *data)
{
/* This event is raised when a key is pressed or released. */
struct keyboard *keyboard =
wl_container_of(listener, keyboard, key);
struct keyboard *keyboard = wl_container_of(listener, keyboard, key);
struct server *server = keyboard->server;
struct wlr_event_keyboard_key *event = data;
struct wlr_seat *seat = server->seat;
@ -168,13 +171,14 @@ static void keyboard_handle_key(
/* Get a list of keysyms based on the keymap for this keyboard */
const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms(
keyboard->device->keyboard->xkb_state, keycode, &syms);
keyboard->device->keyboard->xkb_state, keycode, &syms);
bool handled = false;
uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
uint32_t modifiers =
wlr_keyboard_get_modifiers(keyboard->device->keyboard);
if ((modifiers & WLR_MODIFIER_ALT) && event->state == WLR_KEY_PRESSED) {
/* If alt is held down and this button was _pressed_, we attempt to
* process it as a compositor keybinding. */
/* If alt is held down and this button was _pressed_, we attempt
* to process it as a compositor keybinding. */
for (int i = 0; i < nsyms; i++) {
handled = handle_keybinding(server, syms[i]);
}
@ -184,14 +188,14 @@ static void keyboard_handle_key(
/* Otherwise, we pass it along to the client. */
wlr_seat_set_keyboard(seat, keyboard->device);
wlr_seat_keyboard_notify_key(seat, event->time_msec,
event->keycode, event->state);
event->keycode, event->state);
}
}
static void server_new_keyboard(struct server *server,
struct wlr_input_device *device) {
struct keyboard *keyboard =
calloc(1, sizeof(struct keyboard));
struct wlr_input_device *device)
{
struct keyboard *keyboard = calloc(1, sizeof(struct keyboard));
keyboard->server = server;
keyboard->device = device;
@ -199,8 +203,8 @@ static void server_new_keyboard(struct server *server,
* assumes the defaults (e.g. layout = "us"). */
struct xkb_rule_names rules = { 0 };
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
struct xkb_keymap *keymap = xkb_map_new_from_names(
context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS);
wlr_keyboard_set_keymap(device->keyboard, keymap);
xkb_keymap_unref(keymap);
@ -209,7 +213,8 @@ static void server_new_keyboard(struct server *server,
/* Here we set up listeners for keyboard events. */
keyboard->modifiers.notify = keyboard_handle_modifiers;
wl_signal_add(&device->keyboard->events.modifiers, &keyboard->modifiers);
wl_signal_add(&device->keyboard->events.modifiers,
&keyboard->modifiers);
keyboard->key.notify = keyboard_handle_key;
wl_signal_add(&device->keyboard->events.key, &keyboard->key);
@ -220,19 +225,20 @@ static void server_new_keyboard(struct server *server,
}
static void server_new_pointer(struct server *server,
struct wlr_input_device *device) {
/* We don't do anything special with pointers. All of our pointer handling
* is proxied through wlr_cursor. On another compositor, you might take this
* opportunity to do libinput configuration on the device to set
* acceleration, etc. */
struct wlr_input_device *device)
{
/* We don't do anything special with pointers. All of our pointer
* handling is proxied through wlr_cursor. On another compositor, you
* might take this opportunity to do libinput configuration on the
* device to set acceleration, etc. */
wlr_cursor_attach_input_device(server->cursor, device);
}
static void server_new_input(struct wl_listener *listener, void *data) {
static void server_new_input(struct wl_listener *listener, void *data)
{
/* This event is raised by the backend when a new input device becomes
* available. */
struct server *server =
wl_container_of(listener, server, new_input);
struct server *server = wl_container_of(listener, server, new_input);
struct wlr_input_device *device = data;
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
@ -245,8 +251,9 @@ static void server_new_input(struct wl_listener *listener, void *data) {
break;
}
/* We need to let the wlr_seat know what our capabilities are, which is
* communiciated to the client. In TinyWL we always have a cursor, even if
* there are no pointer devices, so we always include that capability. */
* communiciated to the client. In TinyWL we always have a cursor, even
* if there are no pointer devices, so we always include that
* capability. */
uint32_t caps = WL_SEAT_CAPABILITY_POINTER;
if (!wl_list_empty(&server->keyboards)) {
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
@ -254,26 +261,29 @@ static void server_new_input(struct wl_listener *listener, void *data) {
wlr_seat_set_capabilities(server->seat, caps);
}
static void seat_request_cursor(struct wl_listener *listener, void *data) {
struct server *server = wl_container_of(
listener, server, request_cursor);
/* This event is rasied by the seat when a client provides a cursor image */
static void seat_request_cursor(struct wl_listener *listener, void *data)
{
struct server *server =
wl_container_of(listener, server, request_cursor);
/* This event is rasied by the seat when a client provides a cursor
* image */
struct wlr_seat_pointer_request_set_cursor_event *event = data;
struct wlr_seat_client *focused_client =
server->seat->pointer_state.focused_client;
/* This can be sent by any client, so we check to make sure this one is
* actually has pointer focus first. */
if (focused_client == event->seat_client) {
/* Once we've vetted the client, we can tell the cursor to use the
* provided surface as the cursor image. It will set the hardware cursor
* on the output that it's currently on and continue to do so as the
* cursor moves between outputs. */
/* Once we've vetted the client, we can tell the cursor to use
* the provided surface as the cursor image. It will set the
* hardware cursor on the output that it's currently on and
* continue to do so as the cursor moves between outputs. */
wlr_cursor_set_surface(server->cursor, event->surface,
event->hotspot_x, event->hotspot_y);
event->hotspot_x, event->hotspot_y);
}
}
int main(int argc, char *argv[]) {
int main(int argc, char *argv[])
{
wlr_log_init(WLR_ERROR, NULL);
char *startup_cmd = NULL;
@ -297,27 +307,30 @@ int main(int argc, char *argv[]) {
/* The Wayland display is managed by libwayland. It handles accepting
* clients from the Unix socket, manging Wayland globals, and so on. */
server.wl_display = wl_display_create();
/* The backend is a wlroots feature which abstracts the underlying input and
* output hardware. The autocreate option will choose the most suitable
* backend based on the current environment, such as opening an X11 window
* if an X11 server is running. The NULL argument here optionally allows you
* to pass in a custom renderer if wlr_renderer doesn't meet your needs. The
* backend uses the renderer, for example, to fall back to software cursors
* if the backend does not support hardware cursors (some older GPUs
* don't). */
/* The backend is a wlroots feature which abstracts the underlying input
* and output hardware. The autocreate option will choose the most
* suitable backend based on the current environment, such as opening an
* X11 window if an X11 server is running. The NULL argument here
* optionally allows you to pass in a custom renderer if wlr_renderer
* doesn't meet your needs. The backend uses the renderer, for example,
* to fall back to software cursors if the backend does not support
* hardware cursors (some older GPUs don't). */
server.backend = wlr_backend_autocreate(server.wl_display, NULL);
/* If we don't provide a renderer, autocreate makes a GLES2 renderer for us.
* The renderer is responsible for defining the various pixel formats it
* supports for shared memory, this configures that for clients. */
/* If we don't provide a renderer, autocreate makes a GLES2 renderer for
* us. The renderer is responsible for defining the various pixel
* formats it supports for shared memory, this configures that for
* clients. */
server.renderer = wlr_backend_get_renderer(server.backend);
wlr_renderer_init_wl_display(server.renderer, server.wl_display);
/* This creates some hands-off wlroots interfaces. The compositor is
* necessary for clients to allocate surfaces and the data device manager
* handles the clipboard. Each of these wlroots interfaces has room for you
* to dig your fingers in and play with their behavior if you want. */
server.compositor = wlr_compositor_create(server.wl_display, server.renderer);
* necessary for clients to allocate surfaces and the data device
* manager handles the clipboard. Each of these wlroots interfaces has
* room for you to dig your fingers in and play with their behavior if
* you want. */
server.compositor =
wlr_compositor_create(server.wl_display, server.renderer);
wlr_data_device_manager_create(server.wl_display);
wlr_export_dmabuf_manager_v1_create(server.wl_display);
@ -330,15 +343,15 @@ int main(int argc, char *argv[]) {
* arrangement of screens in a physical layout. */
server.output_layout = wlr_output_layout_create();
/* Configure a listener to be notified when new outputs are available on the
* backend. */
/* Configure a listener to be notified when new outputs are available on
* the backend. */
wl_list_init(&server.outputs);
server.new_output.notify = server_new_output;
wl_signal_add(&server.backend->events.new_output, &server.new_output);
/* Set up our list of views and the xdg-shell. The xdg-shell is a Wayland
* protocol which is used for application windows. For more detail on
* shells, refer to my article:
/* Set up our list of views and the xdg-shell. The xdg-shell is a
* Wayland protocol which is used for application windows. For more
* detail on shells, refer to my article:
*
* https://drewdevault.com/2018/07/29/Wayland-shells.html
*/
@ -346,7 +359,7 @@ int main(int argc, char *argv[]) {
server.xdg_shell = wlr_xdg_shell_create(server.wl_display);
server.new_xdg_surface.notify = xdg_surface_new;
wl_signal_add(&server.xdg_shell->events.new_surface,
&server.new_xdg_surface);
&server.new_xdg_surface);
/*
* Creates a cursor, which is a wlroots utility for tracking the cursor
@ -356,22 +369,23 @@ int main(int argc, char *argv[]) {
wlr_cursor_attach_output_layout(server.cursor, server.output_layout);
/*
* wlr_cursor *only* displays an image on screen. It does not move around
* when the pointer moves. However, we can attach input devices to it, and
* it will generate aggregate events for all of them. In these events, we
* can choose how we want to process them, forwarding them to clients and
* moving the cursor around. More detail on this process is described in my
* input handling blog post:
* wlr_cursor *only* displays an image on screen. It does not move
* around when the pointer moves. However, we can attach input devices
* to it, and it will generate aggregate events for all of them. In
* these events, we can choose how we want to process them, forwarding
* them to clients and moving the cursor around. More detail on this
* process is described in my input handling blog post:
*
* https://drewdevault.com/2018/07/17/Input-handling-in-wlroots.html
*
* And more comments are sprinkled throughout the notify functions above.
* And more comments are sprinkled throughout the notify functions
* above.
*/
server.cursor_motion.notify = server_cursor_motion;
wl_signal_add(&server.cursor->events.motion, &server.cursor_motion);
server.cursor_motion_absolute.notify = server_cursor_motion_absolute;
wl_signal_add(&server.cursor->events.motion_absolute,
&server.cursor_motion_absolute);
&server.cursor_motion_absolute);
server.cursor_button.notify = server_cursor_button;
wl_signal_add(&server.cursor->events.button, &server.cursor_button);
server.cursor_axis.notify = server_cursor_axis;
@ -382,8 +396,8 @@ int main(int argc, char *argv[]) {
/*
* Configures a seat, which is a single "seat" at which a user sits and
* operates the computer. This conceptually includes up to one keyboard,
* pointer, touch, and drawing tablet device. We also rig up a listener to
* let us know when new input devices are available on the backend.
* pointer, touch, and drawing tablet device. We also rig up a listener
* to let us know when new input devices are available on the backend.
*/
wl_list_init(&server.keyboards);
server.new_input.notify = server_new_input;
@ -391,7 +405,7 @@ int main(int argc, char *argv[]) {
server.seat = wlr_seat_create(server.wl_display, "seat0");
server.request_cursor.notify = seat_request_cursor;
wl_signal_add(&server.seat->events.request_set_cursor,
&server.request_cursor);
&server.request_cursor);
/* Add a Unix socket to the Wayland display. */
const char *socket = wl_display_add_socket_auto(server.wl_display);
@ -400,46 +414,53 @@ int main(int argc, char *argv[]) {
return 1;
}
/* Start the backend. This will enumerate outputs and inputs, become the DRM
* master, etc */
/* Start the backend. This will enumerate outputs and inputs, become the
* DRM master, etc */
if (!wlr_backend_start(server.backend)) {
wlr_backend_destroy(server.backend);
wl_display_destroy(server.wl_display);
return 1;
}
/* Set the WAYLAND_DISPLAY environment variable to our socket and run the
* startup command if requested. */
/* Set the WAYLAND_DISPLAY environment variable to our socket and run
* the startup command if requested. */
setenv("WAYLAND_DISPLAY", socket, true);
wl_display_init_shm(server.wl_display);
/* Init xwayland */
server.xwayland = wlr_xwayland_create(server.wl_display, server.compositor, false);
server.xwayland = wlr_xwayland_create(server.wl_display,
server.compositor, false);
server.new_xwayland_surface.notify = xwl_surface_new;
wl_signal_add(&server.xwayland->events.new_surface, &server.new_xwayland_surface);
wl_signal_add(&server.xwayland->events.new_surface,
&server.new_xwayland_surface);
setenv("DISPLAY", server.xwayland->display_name, true);
wlr_xwayland_set_seat(server.xwayland, server.seat);
/* Creates an xcursor manager, another wlroots utility which loads up
* Xcursor themes to source cursor images from and makes sure that cursor
* images are available at all scale factors on the screen (necessary for
* HiDPI support). We add a cursor theme at scale factor 1 to begin with. */
server.cursor_mgr = wlr_xcursor_manager_create(XCURSOR_DEFAULT, XCURSOR_SIZE);
* Xcursor themes to source cursor images from and makes sure that
* cursor images are available at all scale factors on the screen
* (necessary for
* HiDPI support). We add a cursor theme at scale factor 1 to begin
* with. */
server.cursor_mgr =
wlr_xcursor_manager_create(XCURSOR_DEFAULT, XCURSOR_SIZE);
wlr_xcursor_manager_load(server.cursor_mgr, 1);
struct wlr_xcursor *xcursor =
wlr_xcursor_manager_get_xcursor(server.cursor_mgr, XCURSOR_DEFAULT, 1);
struct wlr_xcursor *xcursor = wlr_xcursor_manager_get_xcursor(
server.cursor_mgr, XCURSOR_DEFAULT, 1);
if (xcursor) {
struct wlr_xcursor_image *image = xcursor->images[0];
wlr_xwayland_set_cursor(server.xwayland, image->buffer,
image->width * 4, image->width, image->height,
image->hotspot_x, image->hotspot_y);
image->width * 4, image->width,
image->height, image->hotspot_x,
image->hotspot_y);
}
if (startup_cmd) {
if (fork() == 0) {
execl("/bin/sh", "/bin/sh", "-c", startup_cmd, (void *)NULL);
execl("/bin/sh", "/bin/sh", "-c", startup_cmd,
(void *)NULL);
}
}
/* Run the Wayland event loop. This does not return until you exit the
@ -447,7 +468,7 @@ int main(int argc, char *argv[]) {
* loop configuration to listen to libinput events, DRM events, generate
* frame events at the refresh rate, and so on. */
wlr_log(WLR_INFO, "Running Wayland compositor on WAYLAND_DISPLAY=%s",
socket);
socket);
wl_display_run(server.wl_display);
/* Once wl_display_run returns, we shut down the server. */

103
output.c
View file

@ -11,7 +11,8 @@ struct render_data {
struct timespec *when;
};
static void render_decorations(struct wlr_output *output, struct view *view) {
static void render_decorations(struct wlr_output *output, struct view *view)
{
if (!view->surface)
return;
if (view->type != LAB_XWAYLAND_VIEW)
@ -24,46 +25,49 @@ static void render_decorations(struct wlr_output *output, struct view *view) {
.y = view->y - XWL_TITLEBAR_HEIGHT - XWL_WINDOW_BORDER,
.width = view->surface->current.width + 2 * XWL_WINDOW_BORDER,
.height = view->surface->current.height + XWL_TITLEBAR_HEIGHT +
2 * XWL_WINDOW_BORDER,
2 * XWL_WINDOW_BORDER,
};
float matrix[9];
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
output->transform_matrix);
output->transform_matrix);
float color[] = { 0.2, 0.2, 0.7, 0.9 };
wlr_render_quad_with_matrix(view->server->renderer, color, matrix);
}
static void render_surface(struct wlr_surface *surface,
int sx, int sy, void *data) {
/* This function is called for every surface that needs to be rendered. */
static void render_surface(struct wlr_surface *surface, int sx, int sy,
void *data)
{
/* This function is called for every surface that needs to be rendered.
*/
struct render_data *rdata = data;
struct view *view = rdata->view;
struct wlr_output *output = rdata->output;
/* We first obtain a wlr_texture, which is a GPU resource. wlroots
* automatically handles negotiating these with the client. The underlying
* resource could be an opaque handle passed from the client, or the client
* could have sent a pixel buffer which we copied to the GPU, or a few other
* means. You don't have to worry about this, wlroots takes care of it. */
* automatically handles negotiating these with the client. The
* underlying resource could be an opaque handle passed from the client,
* or the client could have sent a pixel buffer which we copied to the
* GPU, or a few other means. You don't have to worry about this,
* wlroots takes care of it. */
struct wlr_texture *texture = wlr_surface_get_texture(surface);
if (texture == NULL) {
return;
}
/* The view has a position in layout coordinates. If you have two displays,
* one next to the other, both 1080p, a view on the rightmost display might
* have layout coordinates of 2000,100. We need to translate that to
* output-local coordinates, or (2000 - 1920). */
/* The view has a position in layout coordinates. If you have two
* displays, one next to the other, both 1080p, a view on the rightmost
* display might have layout coordinates of 2000,100. We need to
* translate that to output-local coordinates, or (2000 - 1920). */
double ox = 0, oy = 0;
wlr_output_layout_output_coords(
view->server->output_layout, output, &ox, &oy);
wlr_output_layout_output_coords(view->server->output_layout, output,
&ox, &oy);
ox += view->x + sx;
oy += view->y + sy;
/* We also have to apply the scale factor for HiDPI outputs. This is only
* part of the puzzle, TinyWL does not fully support HiDPI. */
/* We also have to apply the scale factor for HiDPI outputs. This is
* only part of the puzzle, TinyWL does not fully support HiDPI. */
struct wlr_box box = {
.x = ox * output->scale,
.y = oy * output->scale,
@ -72,12 +76,13 @@ static void render_surface(struct wlr_surface *surface,
};
/*
* Those familiar with OpenGL are also familiar with the role of matricies
* in graphics programming. We need to prepare a matrix to render the view
* with. wlr_matrix_project_box is a helper which takes a box with a desired
* x, y coordinates, width and height, and an output geometry, then
* prepares an orthographic projection and multiplies the necessary
* transforms to produce a model-view-projection matrix.
* Those familiar with OpenGL are also familiar with the role of
* matricies in graphics programming. We need to prepare a matrix to
* render the view with. wlr_matrix_project_box is a helper which takes
* a box with a desired x, y coordinates, width and height, and an
* output geometry, then prepares an orthographic projection and
* multiplies the necessary transforms to produce a
* model-view-projection matrix.
*
* Naturally you can do this any way you like, for example to make a 3D
* compositor.
@ -86,10 +91,10 @@ static void render_surface(struct wlr_surface *surface,
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &box, transform, 0,
output->transform_matrix);
output->transform_matrix);
/* This takes our matrix, the texture, and an alpha, and performs the actual
* rendering on the GPU. */
/* This takes our matrix, the texture, and an alpha, and performs the
* actual rendering on the GPU. */
wlr_render_texture_with_matrix(rdata->renderer, texture, matrix, 1);
/* This lets the client know that we've displayed that frame and it can
@ -97,11 +102,11 @@ static void render_surface(struct wlr_surface *surface,
wlr_surface_send_frame_done(surface, rdata->when);
}
void output_frame(struct wl_listener *listener, void *data) {
/* This function is called every time an output is ready to display a frame,
* generally at the output's refresh rate (e.g. 60Hz). */
struct output *output =
wl_container_of(listener, output, frame);
void output_frame(struct wl_listener *listener, void *data)
{
/* This function is called every time an output is ready to display a
* frame, generally at the output's refresh rate (e.g. 60Hz). */
struct output *output = wl_container_of(listener, output, frame);
struct wlr_renderer *renderer = output->server->renderer;
struct timespec now;
@ -114,16 +119,18 @@ void output_frame(struct wl_listener *listener, void *data) {
/* The "effective" resolution can change if you rotate your outputs. */
int width, height;
wlr_output_effective_resolution(output->wlr_output, &width, &height);
/* Begin the renderer (calls glViewport and some other GL sanity checks) */
/* Begin the renderer (calls glViewport and some other GL sanity checks)
*/
wlr_renderer_begin(renderer, width, height);
float color[4] = {0.3, 0.3, 0.3, 1.0};
float color[4] = { 0.3, 0.3, 0.3, 1.0 };
wlr_renderer_clear(renderer, color);
/* Each subsequent window we render is rendered on top of the last. Because
* our view list is ordered front-to-back, we iterate over it backwards. */
/* Each subsequent window we render is rendered on top of the last.
* Because our view list is ordered front-to-back, we iterate over it
* backwards. */
struct view *view;
wl_list_for_each_reverse(view, &output->server->views, link) {
wl_list_for_each_reverse (view, &output->server->views, link) {
if (!view->mapped) {
/* An unmapped view should not be rendered. */
continue;
@ -137,22 +144,23 @@ void output_frame(struct wl_listener *listener, void *data) {
render_decorations(output->wlr_output, view);
/* This calls our render_surface function for each surface among the
* xdg_surface's toplevel and popups. */
/* This calls our render_surface function for each surface among
* the xdg_surface's toplevel and popups. */
if (view->type == LAB_XDG_SHELL_VIEW) {
wlr_xdg_surface_for_each_surface(view->xdg_surface,
render_surface, &rdata);
wlr_xdg_surface_for_each_surface(
view->xdg_surface, render_surface, &rdata);
} else if (view->type == LAB_XWAYLAND_VIEW) {
render_surface(view->xwayland_surface->surface, 0, 0,
&rdata);
&rdata);
}
}
/* Hardware cursors are rendered by the GPU on a separate plane, and can be
* moved around without re-rendering what's beneath them - which is more
* efficient. However, not all hardware supports hardware cursors. For this
* reason, wlroots provides a software fallback, which we ask it to render
* here. wlr_cursor handles configuring hardware vs software cursors for you,
/* Hardware cursors are rendered by the GPU on a separate plane, and can
* be moved around without re-rendering what's beneath them - which is
* more efficient. However, not all hardware supports hardware cursors.
* For this reason, wlroots provides a software fallback, which we ask
* it to render here. wlr_cursor handles configuring hardware vs
* software cursors for you,
* and this function is a no-op when hardware cursors are in use. */
wlr_output_render_software_cursors(output->wlr_output, NULL);
@ -161,4 +169,3 @@ void output_frame(struct wl_listener *listener, void *data) {
wlr_renderer_end(renderer);
wlr_output_commit(output->wlr_output);
}

158
server.c
View file

@ -11,13 +11,13 @@ static void process_cursor_resize(struct server *server, uint32_t time)
{
/*
* Resizing the grabbed view can be a little bit complicated, because we
* could be resizing from any corner or edge. This not only resizes the view
* on one or two axes, but can also move the view if you resize from the top
* or left edges (or top-left corner).
* could be resizing from any corner or edge. This not only resizes the
* view on one or two axes, but can also move the view if you resize
* from the top or left edges (or top-left corner).
*
* Note that I took some shortcuts here. In a more fleshed-out compositor,
* you'd wait for the client to prepare a buffer at the new size, then
* commit any movement that was prepared.
* Note that I took some shortcuts here. In a more fleshed-out
* compositor, you'd wait for the client to prepare a buffer at the new
* size, then commit any movement that was prepared.
*/
struct view *view = server->grabbed_view;
double dx = server->cursor->x - server->grab_x;
@ -60,71 +60,75 @@ static void process_cursor_motion(struct server *server, uint32_t time)
return;
}
/* Otherwise, find the view under the pointer and send the event along. */
/* Otherwise, find the view under the pointer and send the event along.
*/
double sx, sy;
struct wlr_seat *seat = server->seat;
struct wlr_surface *surface = NULL;
struct view *view = desktop_view_at(server,
server->cursor->x, server->cursor->y, &surface, &sx, &sy);
struct view *view = desktop_view_at(server, server->cursor->x,
server->cursor->y, &surface, &sx,
&sy);
if (!view) {
/* If there's no view under the cursor, set the cursor image to a
* default. This is what makes the cursor image appear when you move it
* around the screen, not over any views. */
/* If there's no view under the cursor, set the cursor image to
* a default. This is what makes the cursor image appear when
* you move it around the screen, not over any views. */
wlr_xcursor_manager_set_cursor_image(
server->cursor_mgr, "left_ptr", server->cursor);
server->cursor_mgr, "left_ptr", server->cursor);
}
if (surface) {
bool focus_changed = seat->pointer_state.focused_surface != surface;
bool focus_changed = seat->pointer_state.focused_surface !=
surface;
/*
* "Enter" the surface if necessary. This lets the client know that the
* cursor has entered one of its surfaces.
* "Enter" the surface if necessary. This lets the client know
* that the cursor has entered one of its surfaces.
*
* Note that this gives the surface "pointer focus", which is distinct
* from keyboard focus. You get pointer focus by moving the pointer over
* a window.
* Note that this gives the surface "pointer focus", which is
* distinct from keyboard focus. You get pointer focus by moving
* the pointer over a window.
*/
wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
if (!focus_changed) {
/* The enter event contains coordinates, so we only need to notify
* on motion if the focus did not change. */
/* The enter event contains coordinates, so we only need
* to notify on motion if the focus did not change. */
wlr_seat_pointer_notify_motion(seat, time, sx, sy);
}
} else {
/* Clear pointer focus so future button events and such are not sent to
* the last client to have the cursor over it. */
/* Clear pointer focus so future button events and such are not
* sent to the last client to have the cursor over it. */
wlr_seat_pointer_clear_focus(seat);
}
}
void server_cursor_motion(struct wl_listener *listener, void *data)
{
/* This event is forwarded by the cursor when a pointer emits a _relative_
* pointer motion event (i.e. a delta) */
/* This event is forwarded by the cursor when a pointer emits a
* _relative_ pointer motion event (i.e. a delta) */
struct server *server =
wl_container_of(listener, server, cursor_motion);
struct wlr_event_pointer_motion *event = data;
/* The cursor doesn't move unless we tell it to. The cursor automatically
* handles constraining the motion to the output layout, as well as any
* special configuration applied for the specific input device which
* generated the event. You can pass NULL for the device if you want to move
* the cursor around without any input. */
wlr_cursor_move(server->cursor, event->device,
event->delta_x, event->delta_y);
/* The cursor doesn't move unless we tell it to. The cursor
* automatically handles constraining the motion to the output layout,
* as well as any special configuration applied for the specific input
* device which generated the event. You can pass NULL for the device if
* you want to move the cursor around without any input. */
wlr_cursor_move(server->cursor, event->device, event->delta_x,
event->delta_y);
process_cursor_motion(server, event->time_msec);
}
void server_cursor_motion_absolute(struct wl_listener *listener, void *data)
{
/* This event is forwarded by the cursor when a pointer emits an _absolute_
* motion event, from 0..1 on each axis. This happens, for example, when
* wlroots is running under a Wayland window rather than KMS+DRM, and you
* move the mouse over the window. You could enter the window from any edge,
* so we have to warp the mouse there. There is also some hardware which
* emits these events. */
/* This event is forwarded by the cursor when a pointer emits an
* _absolute_ motion event, from 0..1 on each axis. This happens, for
* example, when wlroots is running under a Wayland window rather than
* KMS+DRM, and you move the mouse over the window. You could enter the
* window from any edge, so we have to warp the mouse there. There is
* also some hardware which emits these events. */
struct server *server =
wl_container_of(listener, server, cursor_motion_absolute);
struct wlr_event_pointer_motion_absolute *event = data;
wlr_cursor_warp_absolute(server->cursor, event->device, event->x, event->y);
wlr_cursor_warp_absolute(server->cursor, event->device, event->x,
event->y);
process_cursor_motion(server, event->time_msec);
}
@ -135,15 +139,18 @@ void server_cursor_button(struct wl_listener *listener, void *data)
struct server *server =
wl_container_of(listener, server, cursor_button);
struct wlr_event_pointer_button *event = data;
/* Notify the client with pointer focus that a button press has occurred */
wlr_seat_pointer_notify_button(server->seat,
event->time_msec, event->button, event->state);
/* Notify the client with pointer focus that a button press has occurred
*/
wlr_seat_pointer_notify_button(server->seat, event->time_msec,
event->button, event->state);
double sx, sy;
struct wlr_surface *surface;
struct view *view = desktop_view_at(server,
server->cursor->x, server->cursor->y, &surface, &sx, &sy);
struct view *view = desktop_view_at(server, server->cursor->x,
server->cursor->y, &surface, &sx,
&sy);
if (event->state == WLR_BUTTON_RELEASED) {
/* If you released any buttons, we exit interactive move/resize mode. */
/* If you released any buttons, we exit interactive move/resize
* mode. */
server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH;
} else {
/* Focus that client if the button was _pressed_ */
@ -151,42 +158,43 @@ void server_cursor_button(struct wl_listener *listener, void *data)
}
}
void server_cursor_axis(struct wl_listener *listener, void *data) {
/* This event is forwarded by the cursor when a pointer emits an axis event,
* for example when you move the scroll wheel. */
struct server *server =
wl_container_of(listener, server, cursor_axis);
void server_cursor_axis(struct wl_listener *listener, void *data)
{
/* This event is forwarded by the cursor when a pointer emits an axis
* event, for example when you move the scroll wheel. */
struct server *server = wl_container_of(listener, server, cursor_axis);
struct wlr_event_pointer_axis *event = data;
/* Notify the client with pointer focus of the axis event. */
wlr_seat_pointer_notify_axis(server->seat,
event->time_msec, event->orientation, event->delta,
event->delta_discrete, event->source);
wlr_seat_pointer_notify_axis(server->seat, event->time_msec,
event->orientation, event->delta,
event->delta_discrete, event->source);
}
void server_cursor_frame(struct wl_listener *listener, void *data) {
void server_cursor_frame(struct wl_listener *listener, void *data)
{
/* This event is forwarded by the cursor when a pointer emits an frame
* event. Frame events are sent after regular pointer events to group
* multiple events together. For instance, two axis events may happen at the
* multiple events together. For instance, two axis events may happen at
* the
* same time, in which case a frame event won't be sent in between. */
struct server *server =
wl_container_of(listener, server, cursor_frame);
struct server *server = wl_container_of(listener, server, cursor_frame);
/* Notify the client with pointer focus of the frame event. */
wlr_seat_pointer_notify_frame(server->seat);
}
void server_new_output(struct wl_listener *listener, void *data)
{
/* This event is rasied by the backend when a new output (aka a display or
* monitor) becomes available. */
struct server *server =
wl_container_of(listener, server, new_output);
/* This event is rasied by the backend when a new output (aka a display
* or monitor) becomes available. */
struct server *server = wl_container_of(listener, server, new_output);
struct wlr_output *wlr_output = data;
/* Some backends don't have modes. DRM+KMS does, and we need to set a mode
* before we can use the output. The mode is a tuple of (width, height,
* refresh rate), and each monitor supports only a specific set of modes. We
* just pick the first, a more sophisticated compositor would let the user
* configure it or pick the mode the display advertises as preferred. */
/* Some backends don't have modes. DRM+KMS does, and we need to set a
* mode before we can use the output. The mode is a tuple of (width,
* height, refresh rate), and each monitor supports only a specific set
* of modes. We just pick the first, a more sophisticated compositor
* would let the user configure it or pick the mode the display
* advertises as preferred. */
if (!wl_list_empty(&wlr_output->modes)) {
struct wlr_output_mode *mode =
wl_container_of(wlr_output->modes.prev, mode, link);
@ -194,8 +202,7 @@ void server_new_output(struct wl_listener *listener, void *data)
}
/* Allocates and configures our state for this output */
struct output *output =
calloc(1, sizeof(struct output));
struct output *output = calloc(1, sizeof(struct output));
output->wlr_output = wlr_output;
output->server = server;
/* Sets up a listener for the frame notify event. */
@ -203,15 +210,14 @@ void server_new_output(struct wl_listener *listener, void *data)
wl_signal_add(&wlr_output->events.frame, &output->frame);
wl_list_insert(&server->outputs, &output->link);
/* Adds this to the output layout. The add_auto function arranges outputs
* from left-to-right in the order they appear. A more sophisticated
* compositor would let the user configure the arrangement of outputs in the
* layout. */
/* Adds this to the output layout. The add_auto function arranges
* outputs from left-to-right in the order they appear. A more
* sophisticated compositor would let the user configure the arrangement
* of outputs in the layout. */
wlr_output_layout_add_auto(server->output_layout, wlr_output);
/* Creating the global adds a wl_output global to the display, which Wayland
* clients can see to find out information about the output (such as
* DPI, scale factor, manufacturer, etc). */
/* Creating the global adds a wl_output global to the display, which
* Wayland clients can see to find out information about the output
* (such as DPI, scale factor, manufacturer, etc). */
wlr_output_create_global(wlr_output);
}

77
view.c
View file

@ -1,12 +1,14 @@
#include "labwc.h"
static void activate_view(struct view *view) {
static void activate_view(struct view *view)
{
if (view->type == LAB_XDG_SHELL_VIEW) {
wlr_xdg_toplevel_set_activated(view->xdg_surface, true);
} else if (view->type == LAB_XWAYLAND_VIEW) {
wlr_xwayland_surface_activate(view->xwayland_surface, true);
} else {
fprintf(stderr, "warn: view was of unknown type (%s)\n", __func__);
fprintf(stderr, "warn: view was of unknown type (%s)\n",
__func__);
}
}
@ -14,7 +16,8 @@ static void activate_view(struct view *view) {
* Request that this toplevel surface show itself in an activated or
* deactivated state.
*/
static void set_activated(struct wlr_surface *s, bool activated) {
static void set_activated(struct wlr_surface *s, bool activated)
{
if (wlr_surface_is_xdg_surface(s)) {
struct wlr_xdg_surface *previous;
previous = wlr_xdg_surface_from_wlr_surface(s);
@ -26,12 +29,14 @@ static void set_activated(struct wlr_surface *s, bool activated) {
}
}
static void move_to_front(struct view *view) {
static void move_to_front(struct view *view)
{
wl_list_remove(&view->link);
wl_list_insert(&view->server->views, &view->link);
}
void focus_view(struct view *view, struct wlr_surface *surface) {
void focus_view(struct view *view, struct wlr_surface *surface)
{
/* Note: this function only deals with keyboard focus. */
if (view == NULL) {
return;
@ -48,7 +53,8 @@ void focus_view(struct view *view, struct wlr_surface *surface) {
if (view->type == LAB_XWAYLAND_VIEW) {
/* Don't focus on menus, etc */
move_to_front(view);
if (!wlr_xwayland_or_surface_wants_focus(view->xwayland_surface)) {
if (!wlr_xwayland_or_surface_wants_focus(
view->xwayland_surface)) {
return;
}
}
@ -65,7 +71,8 @@ void focus_view(struct view *view, struct wlr_surface *surface) {
* appropriate clients without additional work on your part.
*/
wlr_seat_keyboard_notify_enter(seat, view->surface, keyboard->keycodes,
keyboard->num_keycodes, &keyboard->modifiers);
keyboard->num_keycodes,
&keyboard->modifiers);
}
static struct view *next_toplevel(struct view *current)
@ -78,18 +85,19 @@ static struct view *next_toplevel(struct view *current)
return tmp;
}
void view_focus_next_toplevel(struct server *server) {
void view_focus_next_toplevel(struct server *server)
{
struct view *view;
view = first_toplevel(server);
view = next_toplevel(view);
focus_view(view, view->surface);
}
void begin_interactive(struct view *view,
enum cursor_mode mode, uint32_t edges) {
/* This function sets up an interactive move or resize operation, where the
* compositor stops propegating pointer events to clients and instead
* consumes them itself, to move or resize windows. */
void begin_interactive(struct view *view, enum cursor_mode mode, uint32_t edges)
{
/* This function sets up an interactive move or resize operation, where
* the compositor stops propegating pointer events to clients and
* instead consumes them itself, to move or resize windows. */
struct server *server = view->server;
struct wlr_surface *focused_surface =
server->seat->pointer_state.focused_surface;
@ -125,7 +133,8 @@ void begin_interactive(struct view *view,
server->resize_edges = edges;
}
bool is_toplevel(struct view *view) {
bool is_toplevel(struct view *view)
{
switch (view->type) {
case LAB_XWAYLAND_VIEW:
return xwl_nr_parents(view) > 0 ? false : true;
@ -135,10 +144,11 @@ bool is_toplevel(struct view *view) {
return false;
}
struct view *first_toplevel(struct server *server) {
struct view *first_toplevel(struct server *server)
{
struct view *view;
wl_list_for_each(view, &server->views, link) {
wl_list_for_each (view, &server->views, link) {
if (!view->been_mapped) {
continue;
}
@ -150,15 +160,16 @@ struct view *first_toplevel(struct server *server) {
return NULL;
}
static bool view_at(struct view *view,
double lx, double ly, struct wlr_surface **surface,
double *sx, double *sy) {
static bool view_at(struct view *view, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy)
{
/*
* XDG toplevels may have nested surfaces, such as popup windows for context
* menus or tooltips. This function tests if any of those are underneath the
* coordinates lx and ly (in output Layout Coordinates). If so, it sets the
* surface pointer to that wlr_surface and the sx and sy coordinates to the
* coordinates relative to that surface's top-left corner.
* XDG toplevels may have nested surfaces, such as popup windows for
* context menus or tooltips. This function tests if any of those are
* underneath the coordinates lx and ly (in output Layout Coordinates).
* If so, it sets the surface pointer to that wlr_surface and the sx and
* sy coordinates to the coordinates relative to that surface's top-left
* corner.
*/
double view_sx = lx - view->x;
double view_sy = ly - view->y;
@ -173,9 +184,9 @@ static bool view_at(struct view *view,
case LAB_XWAYLAND_VIEW:
if (!view->xwayland_surface->surface)
return false;
_surface = wlr_surface_surface_at(
view->xwayland_surface->surface,
view_sx, view_sy, &_sx, &_sy);
_surface =
wlr_surface_surface_at(view->xwayland_surface->surface,
view_sx, view_sy, &_sx, &_sy);
break;
}
@ -189,15 +200,17 @@ static bool view_at(struct view *view,
}
struct view *desktop_view_at(struct server *server, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
/* This iterates over all of our surfaces and attempts to find one under the
* cursor. This relies on server->views being ordered from top-to-bottom. */
struct wlr_surface **surface, double *sx,
double *sy)
{
/* This iterates over all of our surfaces and attempts to find one under
* the cursor. This relies on server->views being ordered from
* top-to-bottom. */
struct view *view;
wl_list_for_each(view, &server->views, link) {
wl_list_for_each (view, &server->views, link) {
if (view_at(view, lx, ly, surface, sx, sy)) {
return view;
}
}
return NULL;
}

20
xdg.c
View file

@ -28,9 +28,11 @@ void xdg_toplevel_request_move(struct wl_listener *listener, void *data)
{
/* This event is raised when a client would like to begin an interactive
* move, typically because the user clicked on their client-side
* decorations. Note that a more sophisticated compositor should check the
* provied serial against a list of button press serials sent to this
* client, to prevent the client from requesting this whenever they want. */
* decorations. Note that a more sophisticated compositor should check
* the provied serial against a list of button press serials sent to
* this
* client, to prevent the client from requesting this whenever they
* want. */
struct view *view = wl_container_of(listener, view, request_move);
begin_interactive(view, TINYWL_CURSOR_MOVE, 0);
}
@ -39,9 +41,11 @@ void xdg_toplevel_request_resize(struct wl_listener *listener, void *data)
{
/* This event is raised when a client would like to begin an interactive
* resize, typically because the user clicked on their client-side
* decorations. Note that a more sophisticated compositor should check the
* provied serial against a list of button press serials sent to this
* client, to prevent the client from requesting this whenever they want. */
* decorations. Note that a more sophisticated compositor should check
* the provied serial against a list of button press serials sent to
* this
* client, to prevent the client from requesting this whenever they
* want. */
struct wlr_xdg_toplevel_resize_event *event = data;
struct view *view = wl_container_of(listener, view, request_resize);
begin_interactive(view, TINYWL_CURSOR_RESIZE, event->edges);
@ -56,8 +60,7 @@ void xdg_surface_new(struct wl_listener *listener, void *data)
return;
}
struct view *view =
calloc(1, sizeof(struct view));
struct view *view = calloc(1, sizeof(struct view));
view->server = server;
view->type = LAB_XDG_SHELL_VIEW;
view->xdg_surface = xdg_surface;
@ -77,4 +80,3 @@ void xdg_surface_new(struct wl_listener *listener, void *data)
wl_list_insert(&server->views, &view->link);
}

26
xwl.c
View file

@ -1,6 +1,7 @@
#include "labwc.h"
int xwl_nr_parents(struct view *view) {
int xwl_nr_parents(struct view *view)
{
struct wlr_xwayland_surface *s = view->xwayland_surface;
int i = 0;
@ -15,7 +16,8 @@ int xwl_nr_parents(struct view *view) {
return i;
}
void xwl_surface_map(struct wl_listener *listener, void *data) {
void xwl_surface_map(struct wl_listener *listener, void *data)
{
struct view *view = wl_container_of(listener, view, map);
view->mapped = true;
view->been_mapped = true;
@ -25,27 +27,31 @@ void xwl_surface_map(struct wl_listener *listener, void *data) {
focus_view(view, view->xwayland_surface->surface);
}
void xwl_surface_unmap(struct wl_listener *listener, void *data) {
void xwl_surface_unmap(struct wl_listener *listener, void *data)
{
struct view *view = wl_container_of(listener, view, unmap);
view->mapped = false;
if (is_toplevel(view))
view_focus_next_toplevel(view->server);
}
void xwl_surface_destroy(struct wl_listener *listener, void *data) {
void xwl_surface_destroy(struct wl_listener *listener, void *data)
{
struct view *view = wl_container_of(listener, view, destroy);
wl_list_remove(&view->link);
free(view);
}
void xwl_surface_configure(struct wl_listener *listener, void *data) {
void xwl_surface_configure(struct wl_listener *listener, void *data)
{
struct view *view = wl_container_of(listener, view, request_configure);
struct wlr_xwayland_surface_configure_event *event = data;
wlr_xwayland_surface_configure(view->xwayland_surface, event->x, event->y,
event->width, event->height);
wlr_xwayland_surface_configure(view->xwayland_surface, event->x,
event->y, event->width, event->height);
}
void xwl_surface_new(struct wl_listener *listener, void *data) {
void xwl_surface_new(struct wl_listener *listener, void *data)
{
struct server *server =
wl_container_of(listener, server, new_xwayland_surface);
struct wlr_xwayland_surface *xwayland_surface = data;
@ -63,8 +69,8 @@ void xwl_surface_new(struct wl_listener *listener, void *data) {
view->destroy.notify = xwl_surface_destroy;
wl_signal_add(&xwayland_surface->events.destroy, &view->destroy);
view->request_configure.notify = xwl_surface_configure;
wl_signal_add(&xwayland_surface->events.request_configure, &view->request_configure);
wl_signal_add(&xwayland_surface->events.request_configure,
&view->request_configure);
wl_list_insert(&server->views, &view->link);
}