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Implement xdg request_move in reference compositor

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This commit is contained in:
Drew DeVault 2017-09-22 09:19:27 -04:00
parent 8cb49f4d68
commit 7ae5268679
1 changed files with 89 additions and 24 deletions
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113
examples/compositor.c
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@ -35,6 +35,37 @@
// TODO: move to common header? // TODO: move to common header?
int os_create_anonymous_file(off_t size); int os_create_anonymous_file(off_t size);
struct sample_state;
struct example_xdg_surface_v6 {
struct wlr_xdg_surface_v6 *surface;
struct sample_state *sample;
// position of the wlr_surface in the layout
struct {
int lx;
int ly;
} position;
struct wl_listener destroy_listener;
struct wl_listener ping_timeout_listener;
struct wl_listener request_minimize_listener;
struct wl_listener request_move_listener;
struct wl_listener request_resize_listener;
struct wl_listener request_show_window_menu_listener;
};
struct input_event_cache {
uint32_t serial;
struct wlr_cursor *cursor;
struct wlr_input_device *device;
};
struct motion_context {
struct example_xdg_surface_v6 *surface;
int off_x, off_y;
};
struct sample_state { struct sample_state {
struct wlr_renderer *renderer; struct wlr_renderer *renderer;
struct compositor_state *compositor; struct compositor_state *compositor;
@ -51,11 +82,17 @@ struct sample_state {
size_t keymap_size; size_t keymap_size;
uint32_t serial; uint32_t serial;
struct motion_context motion_context;
struct example_config *config; struct example_config *config;
struct wlr_output_layout *layout; struct wlr_output_layout *layout;
struct wlr_cursor *cursor; struct wlr_cursor *cursor;
struct wlr_xcursor *xcursor; struct wlr_xcursor *xcursor;
// Ring buffer
int input_cache_idx;
struct input_event_cache input_cache[16];
struct wl_listener cursor_motion; struct wl_listener cursor_motion;
struct wl_listener cursor_motion_absolute; struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button; struct wl_listener cursor_button;
@ -70,23 +107,6 @@ struct sample_state {
struct wlr_xdg_surface_v6 *focused_surface; struct wlr_xdg_surface_v6 *focused_surface;
}; };
struct example_xdg_surface_v6 {
struct wlr_xdg_surface_v6 *surface;
// position of the wlr_surface in the layout
struct {
int lx;
int ly;
} position;
struct wl_listener destroy_listener;
struct wl_listener ping_timeout_listener;
struct wl_listener request_minimize_listener;
struct wl_listener request_move_listener;
struct wl_listener request_resize_listener;
struct wl_listener request_show_window_menu_listener;
};
static void example_set_focused_surface(struct sample_state *sample, static void example_set_focused_surface(struct sample_state *sample,
struct wlr_xdg_surface_v6 *surface) { struct wlr_xdg_surface_v6 *surface) {
if (sample->focused_surface == surface) { if (sample->focused_surface == surface) {
@ -159,10 +179,27 @@ static void handle_xdg_surface_v6_destroy(struct wl_listener *listener,
static void handle_xdg_surface_v6_request_move(struct wl_listener *listener, static void handle_xdg_surface_v6_request_move(struct wl_listener *listener,
void *data) { void *data) {
struct example_xdg_surface_v6 *example_surface = struct example_xdg_surface_v6 *esurface =
wl_container_of(listener, example_surface, request_move_listener); wl_container_of(listener, esurface, request_move_listener);
struct wlr_xdg_toplevel_v6_move_event *e = data; struct wlr_xdg_toplevel_v6_move_event *e = data;
wlr_log(L_DEBUG, "TODO: surface requested move: %s", e->surface->title); struct sample_state *sample = esurface->sample;
struct input_event_cache *event;
for (size_t i = 0;
i < sizeof(sample->input_cache) / sizeof(sample->input_cache[0]);
++i) {
if (sample->input_cache[i].cursor
&& sample->input_cache[i].serial == e->serial) {
event = &sample->input_cache[i];
break;
}
}
if (!event || sample->motion_context.surface) {
return;
}
sample->motion_context.surface = esurface;
sample->motion_context.off_x = sample->cursor->x - esurface->position.lx;
sample->motion_context.off_y = sample->cursor->y - esurface->position.ly;
wlr_seat_pointer_clear_focus(sample->wl_seat);
} }
static void handle_xdg_surface_v6_request_resize(struct wl_listener *listener, static void handle_xdg_surface_v6_request_resize(struct wl_listener *listener,
@ -193,6 +230,8 @@ static void handle_xdg_surface_v6_request_minimize(
static void handle_new_xdg_surface_v6(struct wl_listener *listener, static void handle_new_xdg_surface_v6(struct wl_listener *listener,
void *data) { void *data) {
struct sample_state *sample_state =
wl_container_of(listener, sample_state, new_xdg_surface_v6);
struct wlr_xdg_surface_v6 *surface = data; struct wlr_xdg_surface_v6 *surface = data;
wlr_log(L_DEBUG, "new xdg surface: title=%s, app_id=%s", wlr_log(L_DEBUG, "new xdg surface: title=%s, app_id=%s",
surface->title, surface->app_id); surface->title, surface->app_id);
@ -205,6 +244,7 @@ static void handle_new_xdg_surface_v6(struct wl_listener *listener,
return; return;
} }
esurface->sample = sample_state;
esurface->surface = surface; esurface->surface = surface;
// TODO sensible default position // TODO sensible default position
esurface->position.lx = 300; esurface->position.lx = 300;
@ -374,8 +414,16 @@ static struct wlr_xdg_surface_v6 *example_xdg_surface_at(
static void update_pointer_position(struct sample_state *sample, static void update_pointer_position(struct sample_state *sample,
uint32_t time_sec) { uint32_t time_sec) {
struct wlr_xdg_surface_v6 *surface = if (sample->motion_context.surface) {
example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y); struct example_xdg_surface_v6 *surface;
surface = sample->motion_context.surface;
surface->position.lx = sample->cursor->x - sample->motion_context.off_x;
surface->position.ly = sample->cursor->y - sample->motion_context.off_y;
return;
}
struct wlr_xdg_surface_v6 *surface = example_xdg_surface_at(sample,
sample->cursor->x, sample->cursor->y);
if (surface) { if (surface) {
struct example_xdg_surface_v6 *esurface = surface->data; struct example_xdg_surface_v6 *esurface = surface->data;
@ -425,13 +473,30 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
static void handle_cursor_button(struct wl_listener *listener, void *data) { static void handle_cursor_button(struct wl_listener *listener, void *data) {
struct sample_state *sample = struct sample_state *sample =
wl_container_of(listener, sample, cursor_button); wl_container_of(listener, sample, cursor_button);
struct wlr_event_pointer_button *event = data; struct wlr_event_pointer_button *event = data;
struct wlr_xdg_surface_v6 *surface = struct wlr_xdg_surface_v6 *surface =
example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y); example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y);
example_set_focused_surface(sample, surface); int i;
switch (event->state) {
case WLR_BUTTON_RELEASED:
if (sample->motion_context.surface) {
sample->motion_context.surface = NULL;
}
break;
case WLR_BUTTON_PRESSED:
i = sample->input_cache_idx;
// TODO: serials should probably be based on time_usec
sample->input_cache[i].serial = event->time_sec;
sample->input_cache[i].cursor = sample->cursor;
sample->input_cache[i].device = event->device;
sample->input_cache_idx = (i + 1)
% (sizeof(sample->input_cache) / sizeof(sample->input_cache[0]));
example_set_focused_surface(sample, surface);
break;
}
wlr_seat_pointer_send_button(sample->wl_seat, event->time_sec, wlr_seat_pointer_send_button(sample->wl_seat, event->time_sec,
event->button, event->state); event->button, event->state);