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@@ -25,6 +25,7 @@
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#include "SDL_stdinc.h"
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#include "SDL_assert.h"
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+#include "SDL_log.h"
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#include "../../events/SDL_sysevents.h"
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#include "../../events/SDL_events_c.h"
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@@ -36,6 +37,9 @@
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#include "SDL_waylanddyn.h"
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+#include "pointer-constraints-unstable-v1-client-protocol.h"
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+#include "relative-pointer-unstable-v1-client-protocol.h"
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+
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#include <linux/input.h>
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#include <sys/select.h>
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#include <sys/mman.h>
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@@ -48,13 +52,17 @@ struct SDL_WaylandInput {
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struct wl_seat *seat;
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struct wl_pointer *pointer;
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struct wl_keyboard *keyboard;
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+ struct zwp_relative_pointer_v1 *relative_pointer;
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SDL_WindowData *pointer_focus;
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SDL_WindowData *keyboard_focus;
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/* Last motion location */
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wl_fixed_t sx_w;
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wl_fixed_t sy_w;
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-
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+
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+ double dx_frac;
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+ double dy_frac;
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+
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struct {
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struct xkb_keymap *keymap;
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struct xkb_state *state;
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@@ -170,10 +178,9 @@ ProcessHitTest(struct SDL_WaylandInput *input, uint32_t serial)
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}
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static void
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-pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
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- uint32_t time, uint32_t button, uint32_t state_w)
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+pointer_handle_button_common(struct SDL_WaylandInput *input, uint32_t serial,
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+ uint32_t time, uint32_t button, uint32_t state_w)
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{
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- struct SDL_WaylandInput *input = data;
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SDL_WindowData *window = input->pointer_focus;
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enum wl_pointer_button_state state = state_w;
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uint32_t sdl_button;
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@@ -182,7 +189,7 @@ pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
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switch (button) {
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case BTN_LEFT:
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sdl_button = SDL_BUTTON_LEFT;
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- if (ProcessHitTest(data, serial)) {
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+ if (ProcessHitTest(input, serial)) {
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return; /* don't pass this event on to app. */
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}
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break;
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@@ -208,10 +215,18 @@ pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
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}
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static void
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-pointer_handle_axis(void *data, struct wl_pointer *pointer,
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- uint32_t time, uint32_t axis, wl_fixed_t value)
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+pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
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+ uint32_t time, uint32_t button, uint32_t state_w)
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{
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struct SDL_WaylandInput *input = data;
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+
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+ pointer_handle_button_common(input, serial, time, button, state_w);
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+}
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+
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+static void
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+pointer_handle_axis_common(struct SDL_WaylandInput *input,
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+ uint32_t time, uint32_t axis, wl_fixed_t value)
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+{
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SDL_WindowData *window = input->pointer_focus;
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enum wl_pointer_axis a = axis;
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int x, y;
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@@ -234,6 +249,15 @@ pointer_handle_axis(void *data, struct wl_pointer *pointer,
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}
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}
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+static void
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+pointer_handle_axis(void *data, struct wl_pointer *pointer,
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+ uint32_t time, uint32_t axis, wl_fixed_t value)
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+{
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+ struct SDL_WaylandInput *input = data;
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+
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+ pointer_handle_axis_common(input, time, axis, value);
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+}
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+
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static const struct wl_pointer_listener pointer_listener = {
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pointer_handle_enter,
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pointer_handle_leave,
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@@ -453,6 +477,164 @@ void Wayland_display_destroy_input(SDL_VideoData *d)
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d->input = NULL;
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}
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+void Wayland_display_add_relative_pointer_manager(SDL_VideoData *d, uint32_t id)
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+{
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+ d->relative_pointer_manager =
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+ wl_registry_bind(d->registry, id,
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+ &zwp_relative_pointer_manager_v1_interface, 1);
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+}
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+
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+void Wayland_display_destroy_relative_pointer_manager(SDL_VideoData *d)
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+{
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+ if (d->relative_pointer_manager)
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+ zwp_relative_pointer_manager_v1_destroy(d->relative_pointer_manager);
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+}
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+
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+void Wayland_display_add_pointer_constraints(SDL_VideoData *d, uint32_t id)
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+{
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+ d->pointer_constraints =
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+ wl_registry_bind(d->registry, id,
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+ &zwp_pointer_constraints_v1_interface, 1);
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+}
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+
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+void Wayland_display_destroy_pointer_constraints(SDL_VideoData *d)
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+{
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+ if (d->pointer_constraints)
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+ zwp_pointer_constraints_v1_destroy(d->pointer_constraints);
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+}
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+
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+static void
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+relative_pointer_handle_relative_motion(void *data,
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+ struct zwp_relative_pointer_v1 *pointer,
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+ uint32_t time_hi,
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+ uint32_t time_lo,
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+ wl_fixed_t dx_w,
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+ wl_fixed_t dy_w,
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+ wl_fixed_t dx_unaccel_w,
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+ wl_fixed_t dy_unaccel_w)
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+{
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+ struct SDL_WaylandInput *input = data;
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+ SDL_VideoData *d = input->display;
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+ SDL_WindowData *window = input->pointer_focus;
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+ double dx_unaccel;
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+ double dy_unaccel;
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+ double dx;
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+ double dy;
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+
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+ dx_unaccel = wl_fixed_to_double(dx_unaccel_w);
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+ dy_unaccel = wl_fixed_to_double(dy_unaccel_w);
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+
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+ /* Add left over fraction from last event. */
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+ dx_unaccel += input->dx_frac;
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+ dy_unaccel += input->dy_frac;
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+
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+ input->dx_frac = modf(dx_unaccel, &dx);
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+ input->dy_frac = modf(dy_unaccel, &dy);
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+
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+ if (input->pointer_focus && d->relative_mouse_mode) {
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+ SDL_SendMouseMotion(window->sdlwindow, 0, 1, (int)dx, (int)dy);
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+ }
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+}
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+
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+static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
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+ relative_pointer_handle_relative_motion,
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+};
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+
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+static void
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+locked_pointer_locked(void *data,
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+ struct zwp_locked_pointer_v1 *locked_pointer)
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+{
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+}
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+
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+static void
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+locked_pointer_unlocked(void *data,
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+ struct zwp_locked_pointer_v1 *locked_pointer)
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+{
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+}
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+
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+static const struct zwp_locked_pointer_v1_listener locked_pointer_listener = {
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+ locked_pointer_locked,
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+ locked_pointer_unlocked,
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+};
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+
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+static void
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+lock_pointer_to_window(SDL_Window *window,
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+ struct SDL_WaylandInput *input)
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+{
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+ SDL_WindowData *w = window->driverdata;
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+ SDL_VideoData *d = input->display;
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+ struct zwp_locked_pointer_v1 *locked_pointer;
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+
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+ if (w->locked_pointer)
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+ return;
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+
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+ locked_pointer =
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+ zwp_pointer_constraints_v1_lock_pointer(d->pointer_constraints,
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+ w->surface,
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+ input->pointer,
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+ NULL,
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+ ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
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+ zwp_locked_pointer_v1_add_listener(locked_pointer,
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+ &locked_pointer_listener,
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+ window);
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+
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+ w->locked_pointer = locked_pointer;
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+}
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+
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+int Wayland_input_lock_pointer(struct SDL_WaylandInput *input)
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+{
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+ SDL_VideoDevice *vd = SDL_GetVideoDevice();
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+ SDL_VideoData *d = input->display;
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+ SDL_Window *window;
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+ struct zwp_relative_pointer_v1 *relative_pointer;
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+
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+ if (!d->relative_pointer_manager)
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+ return -1;
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+
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+ if (!d->pointer_constraints)
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+ return -1;
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+
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+ if (!input->relative_pointer) {
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+ relative_pointer =
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+ zwp_relative_pointer_manager_v1_get_relative_pointer(
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+ d->relative_pointer_manager,
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+ input->pointer);
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+ zwp_relative_pointer_v1_add_listener(relative_pointer,
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+ &relative_pointer_listener,
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+ input);
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+ input->relative_pointer = relative_pointer;
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+ }
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+
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+ for (window = vd->windows; window; window = window->next)
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+ lock_pointer_to_window(window, input);
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+
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+ d->relative_mouse_mode = 1;
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+
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+ return 0;
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+}
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+
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+int Wayland_input_unlock_pointer(struct SDL_WaylandInput *input)
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+{
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+ SDL_VideoDevice *vd = SDL_GetVideoDevice();
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+ SDL_VideoData *d = input->display;
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+ SDL_Window *window;
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+ SDL_WindowData *w;
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+
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+ for (window = vd->windows; window; window = window->next) {
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+ w = window->driverdata;
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+ if (w->locked_pointer)
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+ zwp_locked_pointer_v1_destroy(w->locked_pointer);
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+ w->locked_pointer = NULL;
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+ }
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+
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+ zwp_relative_pointer_v1_destroy(input->relative_pointer);
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+ input->relative_pointer = NULL;
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+
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+ d->relative_mouse_mode = 0;
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+
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+ return 0;
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+}
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+
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#endif /* SDL_VIDEO_DRIVER_WAYLAND */
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/* vi: set ts=4 sw=4 expandtab: */
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Sam Lantinga