diff options
Diffstat (limited to 'sway/input/cursor.c')
-rw-r--r-- | sway/input/cursor.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/sway/input/cursor.c b/sway/input/cursor.c new file mode 100644 index 00000000..15a61cbf --- /dev/null +++ b/sway/input/cursor.c | |||
@@ -0,0 +1,384 @@ | |||
1 | #define _XOPEN_SOURCE 700 | ||
2 | #ifdef __linux__ | ||
3 | #include <linux/input-event-codes.h> | ||
4 | #elif __FreeBSD__ | ||
5 | #include <dev/evdev/input-event-codes.h> | ||
6 | #endif | ||
7 | #include <wlr/types/wlr_cursor.h> | ||
8 | #include <wlr/types/wlr_xcursor_manager.h> | ||
9 | #include "list.h" | ||
10 | #include "log.h" | ||
11 | #include "sway/input/cursor.h" | ||
12 | #include "sway/layers.h" | ||
13 | #include "sway/output.h" | ||
14 | #include "sway/tree/view.h" | ||
15 | #include "wlr-layer-shell-unstable-v1-protocol.h" | ||
16 | |||
17 | static struct wlr_surface *layer_surface_at(struct sway_output *output, | ||
18 | struct wl_list *layer, double ox, double oy, double *sx, double *sy) { | ||
19 | struct sway_layer_surface *sway_layer; | ||
20 | wl_list_for_each_reverse(sway_layer, layer, link) { | ||
21 | struct wlr_surface *wlr_surface = | ||
22 | sway_layer->layer_surface->surface; | ||
23 | double _sx = ox - sway_layer->geo.x; | ||
24 | double _sy = oy - sway_layer->geo.y; | ||
25 | // TODO: Test popups/subsurfaces | ||
26 | if (wlr_surface_point_accepts_input(wlr_surface, _sx, _sy)) { | ||
27 | *sx = _sx; | ||
28 | *sy = _sy; | ||
29 | return wlr_surface; | ||
30 | } | ||
31 | } | ||
32 | return NULL; | ||
33 | } | ||
34 | |||
35 | /** | ||
36 | * Returns the container at the cursor's position. If there is a surface at that | ||
37 | * location, it is stored in **surface (it may not be a view). | ||
38 | */ | ||
39 | static struct sway_container *container_at_cursor(struct sway_cursor *cursor, | ||
40 | struct wlr_surface **surface, double *sx, double *sy) { | ||
41 | // check for unmanaged views first | ||
42 | struct wl_list *unmanaged = &root_container.sway_root->xwayland_unmanaged; | ||
43 | struct sway_xwayland_unmanaged *unmanaged_surface; | ||
44 | wl_list_for_each_reverse(unmanaged_surface, unmanaged, link) { | ||
45 | struct wlr_xwayland_surface *xsurface = | ||
46 | unmanaged_surface->wlr_xwayland_surface; | ||
47 | |||
48 | double _sx = cursor->cursor->x - unmanaged_surface->lx; | ||
49 | double _sy = cursor->cursor->y - unmanaged_surface->ly; | ||
50 | if (wlr_surface_point_accepts_input(xsurface->surface, _sx, _sy)) { | ||
51 | *surface = xsurface->surface; | ||
52 | *sx = _sx; | ||
53 | *sy = _sy; | ||
54 | return NULL; | ||
55 | } | ||
56 | } | ||
57 | |||
58 | // find the output the cursor is on | ||
59 | struct wlr_output_layout *output_layout = | ||
60 | root_container.sway_root->output_layout; | ||
61 | struct wlr_output *wlr_output = | ||
62 | wlr_output_layout_output_at(output_layout, | ||
63 | cursor->cursor->x, cursor->cursor->y); | ||
64 | if (wlr_output == NULL) { | ||
65 | return NULL; | ||
66 | } | ||
67 | struct sway_output *output = wlr_output->data; | ||
68 | double ox = cursor->cursor->x, oy = cursor->cursor->y; | ||
69 | wlr_output_layout_output_coords(output_layout, wlr_output, &ox, &oy); | ||
70 | |||
71 | // find the focused workspace on the output for this seat | ||
72 | struct sway_container *ws = | ||
73 | seat_get_focus_inactive(cursor->seat, output->swayc); | ||
74 | if (ws && ws->type != C_WORKSPACE) { | ||
75 | ws = container_parent(ws, C_WORKSPACE); | ||
76 | } | ||
77 | if (!ws) { | ||
78 | return output->swayc; | ||
79 | } | ||
80 | |||
81 | if ((*surface = layer_surface_at(output, | ||
82 | &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], | ||
83 | ox, oy, sx, sy))) { | ||
84 | return ws; | ||
85 | } | ||
86 | if ((*surface = layer_surface_at(output, | ||
87 | &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], | ||
88 | ox, oy, sx, sy))) { | ||
89 | return ws; | ||
90 | } | ||
91 | |||
92 | struct sway_container *c; | ||
93 | if ((c = container_at(ws, cursor->cursor->x, cursor->cursor->y, | ||
94 | surface, sx, sy))) { | ||
95 | return c; | ||
96 | } | ||
97 | |||
98 | if ((*surface = layer_surface_at(output, | ||
99 | &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], | ||
100 | ox, oy, sx, sy))) { | ||
101 | return ws; | ||
102 | } | ||
103 | if ((*surface = layer_surface_at(output, | ||
104 | &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], | ||
105 | ox, oy, sx, sy))) { | ||
106 | return ws; | ||
107 | } | ||
108 | |||
109 | c = seat_get_focus_inactive(cursor->seat, output->swayc); | ||
110 | if (c) { | ||
111 | return c; | ||
112 | } | ||
113 | if (!c && output->swayc->children->length) { | ||
114 | c = output->swayc->children->items[0]; | ||
115 | return c; | ||
116 | } | ||
117 | |||
118 | return output->swayc; | ||
119 | } | ||
120 | |||
121 | void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time) { | ||
122 | struct wlr_seat *seat = cursor->seat->wlr_seat; | ||
123 | struct wlr_surface *surface = NULL; | ||
124 | double sx, sy; | ||
125 | struct sway_container *c = container_at_cursor(cursor, &surface, &sx, &sy); | ||
126 | if (c && config->focus_follows_mouse) { | ||
127 | seat_set_focus_warp(cursor->seat, c, false); | ||
128 | } | ||
129 | |||
130 | // reset cursor if switching between clients | ||
131 | struct wl_client *client = NULL; | ||
132 | if (surface != NULL) { | ||
133 | client = wl_resource_get_client(surface->resource); | ||
134 | } | ||
135 | if (client != cursor->image_client) { | ||
136 | wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager, | ||
137 | "left_ptr", cursor->cursor); | ||
138 | cursor->image_client = client; | ||
139 | } | ||
140 | |||
141 | // send pointer enter/leave | ||
142 | if (surface != NULL) { | ||
143 | if (seat_is_input_allowed(cursor->seat, surface)) { | ||
144 | wlr_seat_pointer_notify_enter(seat, surface, sx, sy); | ||
145 | wlr_seat_pointer_notify_motion(seat, time, sx, sy); | ||
146 | } | ||
147 | } else { | ||
148 | wlr_seat_pointer_clear_focus(seat); | ||
149 | } | ||
150 | } | ||
151 | |||
152 | static void handle_cursor_motion(struct wl_listener *listener, void *data) { | ||
153 | struct sway_cursor *cursor = wl_container_of(listener, cursor, motion); | ||
154 | struct wlr_event_pointer_motion *event = data; | ||
155 | wlr_cursor_move(cursor->cursor, event->device, | ||
156 | event->delta_x, event->delta_y); | ||
157 | cursor_send_pointer_motion(cursor, event->time_msec); | ||
158 | } | ||
159 | |||
160 | static void handle_cursor_motion_absolute( | ||
161 | struct wl_listener *listener, void *data) { | ||
162 | struct sway_cursor *cursor = | ||
163 | wl_container_of(listener, cursor, motion_absolute); | ||
164 | struct wlr_event_pointer_motion_absolute *event = data; | ||
165 | wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y); | ||
166 | cursor_send_pointer_motion(cursor, event->time_msec); | ||
167 | } | ||
168 | |||
169 | void dispatch_cursor_button(struct sway_cursor *cursor, | ||
170 | uint32_t time_msec, uint32_t button, enum wlr_button_state state) { | ||
171 | struct wlr_surface *surface = NULL; | ||
172 | double sx, sy; | ||
173 | struct sway_container *cont = | ||
174 | container_at_cursor(cursor, &surface, &sx, &sy); | ||
175 | if (surface && wlr_surface_is_layer_surface(surface)) { | ||
176 | struct wlr_layer_surface *layer = | ||
177 | wlr_layer_surface_from_wlr_surface(surface); | ||
178 | if (layer->current.keyboard_interactive) { | ||
179 | seat_set_focus_layer(cursor->seat, layer); | ||
180 | return; | ||
181 | } | ||
182 | } | ||
183 | // Avoid moving keyboard focus from a surface that accepts it to one | ||
184 | // that does not unless the change would move us to a new workspace. | ||
185 | // | ||
186 | // This prevents, for example, losing focus when clicking on swaybar. | ||
187 | if (surface && cont && cont->type != C_VIEW) { | ||
188 | struct sway_container *new_ws = cont; | ||
189 | if (new_ws && new_ws->type != C_WORKSPACE) { | ||
190 | new_ws = container_parent(new_ws, C_WORKSPACE); | ||
191 | } | ||
192 | struct sway_container *old_ws = seat_get_focus(cursor->seat); | ||
193 | if (old_ws && old_ws->type != C_WORKSPACE) { | ||
194 | old_ws = container_parent(old_ws, C_WORKSPACE); | ||
195 | } | ||
196 | if (new_ws != old_ws) { | ||
197 | seat_set_focus(cursor->seat, cont); | ||
198 | } | ||
199 | } else { | ||
200 | seat_set_focus(cursor->seat, cont); | ||
201 | } | ||
202 | |||
203 | wlr_seat_pointer_notify_button(cursor->seat->wlr_seat, | ||
204 | time_msec, button, state); | ||
205 | } | ||
206 | |||
207 | static void handle_cursor_button(struct wl_listener *listener, void *data) { | ||
208 | struct sway_cursor *cursor = wl_container_of(listener, cursor, button); | ||
209 | struct wlr_event_pointer_button *event = data; | ||
210 | dispatch_cursor_button(cursor, | ||
211 | event->time_msec, event->button, event->state); | ||
212 | } | ||
213 | |||
214 | static void handle_cursor_axis(struct wl_listener *listener, void *data) { | ||
215 | struct sway_cursor *cursor = wl_container_of(listener, cursor, axis); | ||
216 | struct wlr_event_pointer_axis *event = data; | ||
217 | wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec, | ||
218 | event->orientation, event->delta); | ||
219 | } | ||
220 | |||
221 | static void handle_touch_down(struct wl_listener *listener, void *data) { | ||
222 | struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_down); | ||
223 | struct wlr_event_touch_down *event = data; | ||
224 | wlr_log(L_DEBUG, "TODO: handle touch down event: %p", event); | ||
225 | } | ||
226 | |||
227 | static void handle_touch_up(struct wl_listener *listener, void *data) { | ||
228 | struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_up); | ||
229 | struct wlr_event_touch_up *event = data; | ||
230 | wlr_log(L_DEBUG, "TODO: handle touch up event: %p", event); | ||
231 | } | ||
232 | |||
233 | static void handle_touch_motion(struct wl_listener *listener, void *data) { | ||
234 | struct sway_cursor *cursor = | ||
235 | wl_container_of(listener, cursor, touch_motion); | ||
236 | struct wlr_event_touch_motion *event = data; | ||
237 | wlr_log(L_DEBUG, "TODO: handle touch motion event: %p", event); | ||
238 | } | ||
239 | |||
240 | static void handle_tool_axis(struct wl_listener *listener, void *data) { | ||
241 | struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_axis); | ||
242 | struct wlr_event_tablet_tool_axis *event = data; | ||
243 | |||
244 | if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) && | ||
245 | (event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) { | ||
246 | wlr_cursor_warp_absolute(cursor->cursor, event->device, | ||
247 | event->x, event->y); | ||
248 | cursor_send_pointer_motion(cursor, event->time_msec); | ||
249 | } else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) { | ||
250 | wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, -1); | ||
251 | cursor_send_pointer_motion(cursor, event->time_msec); | ||
252 | } else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) { | ||
253 | wlr_cursor_warp_absolute(cursor->cursor, event->device, -1, event->y); | ||
254 | cursor_send_pointer_motion(cursor, event->time_msec); | ||
255 | } | ||
256 | } | ||
257 | |||
258 | static void handle_tool_tip(struct wl_listener *listener, void *data) { | ||
259 | struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_tip); | ||
260 | struct wlr_event_tablet_tool_tip *event = data; | ||
261 | dispatch_cursor_button(cursor, event->time_msec, | ||
262 | BTN_LEFT, event->state == WLR_TABLET_TOOL_TIP_DOWN ? | ||
263 | WLR_BUTTON_PRESSED : WLR_BUTTON_RELEASED); | ||
264 | } | ||
265 | |||
266 | static void handle_tool_button(struct wl_listener *listener, void *data) { | ||
267 | struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_button); | ||
268 | struct wlr_event_tablet_tool_button *event = data; | ||
269 | // TODO: the user may want to configure which tool buttons are mapped to | ||
270 | // which simulated pointer buttons | ||
271 | switch (event->state) { | ||
272 | case WLR_BUTTON_PRESSED: | ||
273 | if (cursor->tool_buttons == 0) { | ||
274 | dispatch_cursor_button(cursor, | ||
275 | event->time_msec, BTN_RIGHT, event->state); | ||
276 | } | ||
277 | cursor->tool_buttons++; | ||
278 | break; | ||
279 | case WLR_BUTTON_RELEASED: | ||
280 | if (cursor->tool_buttons == 1) { | ||
281 | dispatch_cursor_button(cursor, | ||
282 | event->time_msec, BTN_RIGHT, event->state); | ||
283 | } | ||
284 | cursor->tool_buttons--; | ||
285 | break; | ||
286 | } | ||
287 | } | ||
288 | |||
289 | static void handle_request_set_cursor(struct wl_listener *listener, | ||
290 | void *data) { | ||
291 | struct sway_cursor *cursor = | ||
292 | wl_container_of(listener, cursor, request_set_cursor); | ||
293 | struct wlr_seat_pointer_request_set_cursor_event *event = data; | ||
294 | |||
295 | struct wl_client *focused_client = NULL; | ||
296 | struct wlr_surface *focused_surface = | ||
297 | cursor->seat->wlr_seat->pointer_state.focused_surface; | ||
298 | if (focused_surface != NULL) { | ||
299 | focused_client = wl_resource_get_client(focused_surface->resource); | ||
300 | } | ||
301 | |||
302 | // TODO: check cursor mode | ||
303 | if (focused_client == NULL || | ||
304 | event->seat_client->client != focused_client) { | ||
305 | wlr_log(L_DEBUG, "denying request to set cursor from unfocused client"); | ||
306 | return; | ||
307 | } | ||
308 | |||
309 | wlr_cursor_set_surface(cursor->cursor, event->surface, event->hotspot_x, | ||
310 | event->hotspot_y); | ||
311 | cursor->image_client = focused_client; | ||
312 | } | ||
313 | |||
314 | void sway_cursor_destroy(struct sway_cursor *cursor) { | ||
315 | if (!cursor) { | ||
316 | return; | ||
317 | } | ||
318 | |||
319 | wlr_xcursor_manager_destroy(cursor->xcursor_manager); | ||
320 | wlr_cursor_destroy(cursor->cursor); | ||
321 | free(cursor); | ||
322 | } | ||
323 | |||
324 | struct sway_cursor *sway_cursor_create(struct sway_seat *seat) { | ||
325 | struct sway_cursor *cursor = calloc(1, sizeof(struct sway_cursor)); | ||
326 | if (!sway_assert(cursor, "could not allocate sway cursor")) { | ||
327 | return NULL; | ||
328 | } | ||
329 | |||
330 | struct wlr_cursor *wlr_cursor = wlr_cursor_create(); | ||
331 | if (!sway_assert(wlr_cursor, "could not allocate wlr cursor")) { | ||
332 | free(cursor); | ||
333 | return NULL; | ||
334 | } | ||
335 | |||
336 | cursor->seat = seat; | ||
337 | wlr_cursor_attach_output_layout(wlr_cursor, | ||
338 | root_container.sway_root->output_layout); | ||
339 | |||
340 | // input events | ||
341 | wl_signal_add(&wlr_cursor->events.motion, &cursor->motion); | ||
342 | cursor->motion.notify = handle_cursor_motion; | ||
343 | |||
344 | wl_signal_add(&wlr_cursor->events.motion_absolute, | ||
345 | &cursor->motion_absolute); | ||
346 | cursor->motion_absolute.notify = handle_cursor_motion_absolute; | ||
347 | |||
348 | wl_signal_add(&wlr_cursor->events.button, &cursor->button); | ||
349 | cursor->button.notify = handle_cursor_button; | ||
350 | |||
351 | wl_signal_add(&wlr_cursor->events.axis, &cursor->axis); | ||
352 | cursor->axis.notify = handle_cursor_axis; | ||
353 | |||
354 | wl_signal_add(&wlr_cursor->events.touch_down, &cursor->touch_down); | ||
355 | cursor->touch_down.notify = handle_touch_down; | ||
356 | |||
357 | wl_signal_add(&wlr_cursor->events.touch_up, &cursor->touch_up); | ||
358 | cursor->touch_up.notify = handle_touch_up; | ||
359 | |||
360 | wl_signal_add(&wlr_cursor->events.touch_motion, | ||
361 | &cursor->touch_motion); | ||
362 | cursor->touch_motion.notify = handle_touch_motion; | ||
363 | |||
364 | // TODO: tablet protocol support | ||
365 | // Note: We should emulate pointer events for clients that don't support the | ||
366 | // tablet protocol when the time comes | ||
367 | wl_signal_add(&wlr_cursor->events.tablet_tool_axis, | ||
368 | &cursor->tool_axis); | ||
369 | cursor->tool_axis.notify = handle_tool_axis; | ||
370 | |||
371 | wl_signal_add(&wlr_cursor->events.tablet_tool_tip, &cursor->tool_tip); | ||
372 | cursor->tool_tip.notify = handle_tool_tip; | ||
373 | |||
374 | wl_signal_add(&wlr_cursor->events.tablet_tool_button, &cursor->tool_button); | ||
375 | cursor->tool_button.notify = handle_tool_button; | ||
376 | |||
377 | wl_signal_add(&seat->wlr_seat->events.request_set_cursor, | ||
378 | &cursor->request_set_cursor); | ||
379 | cursor->request_set_cursor.notify = handle_request_set_cursor; | ||
380 | |||
381 | cursor->cursor = wlr_cursor; | ||
382 | |||
383 | return cursor; | ||
384 | } | ||