src/video/wayland/SDL_waylandevents.c
author Sam Lantinga
Mon, 21 Aug 2017 11:19:38 -0700
changeset 11336 5893a480c519
parent 11301 68c83ddf9096
child 11552 2603f41d6a7e
permissions -rw-r--r--
Fixed bug 3644 - Wayland touch event support

Moritz Bitsch

Attached is a small patch which enables multitouch events on Wayland.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_WAYLAND
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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 "../../core/unix/SDL_poll.h"
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#include "../../events/SDL_sysevents.h"
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#include "../../events/SDL_events_c.h"
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#include "../../events/scancodes_xfree86.h"
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#include "SDL_waylandvideo.h"
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#include "SDL_waylandevents_c.h"
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#include "SDL_waylandwindow.h"
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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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#include <linux/input.h>
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#include <sys/select.h>
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#include <sys/mman.h>
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#include <poll.h>
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#include <unistd.h>
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#include <xkbcommon/xkbcommon.h>
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struct SDL_WaylandInput {
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    SDL_VideoData *display;
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    struct wl_seat *seat;
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    struct wl_pointer *pointer;
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    struct wl_touch *touch;
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    struct wl_keyboard *keyboard;
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    SDL_WaylandDataDevice *data_device;
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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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    double dx_frac;
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    double dy_frac;
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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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    } xkb;
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};
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struct SDL_WaylandTouchPoint {
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    SDL_TouchID id;
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    float x;
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    float y;
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    struct wl_surface* surface;
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    struct SDL_WaylandTouchPoint* prev;
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    struct SDL_WaylandTouchPoint* next;
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};
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struct SDL_WaylandTouchPointList {
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    struct SDL_WaylandTouchPoint* head;
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    struct SDL_WaylandTouchPoint* tail;
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};
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static struct SDL_WaylandTouchPointList touch_points = {NULL, NULL};
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static void
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touch_add(SDL_TouchID id, float x, float y, struct wl_surface *surface)
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{
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    struct SDL_WaylandTouchPoint* tp = SDL_malloc(sizeof(struct SDL_WaylandTouchPoint));
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    tp->id = id;
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    tp->x = x;
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    tp->y = y;
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    tp->surface = surface;
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    if (touch_points.tail) {
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        touch_points.tail->next = tp;
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        tp->prev = touch_points.tail;
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    } else {
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        touch_points.head = tp;
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        tp->prev = NULL;
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    }
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    touch_points.tail = tp;
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    tp->next = NULL;
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}
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static void
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touch_update(SDL_TouchID id, float x, float y)
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{
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    struct SDL_WaylandTouchPoint* tp = touch_points.head;
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    while (tp) {
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        if (tp->id == id) {
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            tp->x = x;
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            tp->y = y;
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        }
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        tp = tp->next;
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    }
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}
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static void
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touch_del(SDL_TouchID id, float* x, float* y)
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{
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    struct SDL_WaylandTouchPoint* tp = touch_points.head;
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    while (tp) {
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        if (tp->id == id) {
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            *x = tp->x;
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            *y = tp->y;
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            if (tp->prev) {
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                tp->prev->next = tp->next;
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            } else {
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                touch_points.head = tp->next;
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            }
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            if (tp->next) {
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                tp->next->prev = tp->prev;
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            } else {
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                touch_points.tail = tp->prev;
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            }
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            SDL_free(tp);
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        }
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        tp = tp->next;
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    }
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}
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static struct wl_surface*
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touch_surface(SDL_TouchID id)
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{
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    struct SDL_WaylandTouchPoint* tp = touch_points.head;
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    while (tp) {
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        if (tp->id == id) {
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            return tp->surface;
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        }
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        tp = tp->next;
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    }
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    return NULL;
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}
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void
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Wayland_PumpEvents(_THIS)
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{
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    SDL_VideoData *d = _this->driverdata;
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    if (SDL_IOReady(WAYLAND_wl_display_get_fd(d->display), SDL_FALSE, 0)) {
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        WAYLAND_wl_display_dispatch(d->display);
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    }
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    else
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    {
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        WAYLAND_wl_display_dispatch_pending(d->display);
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    }
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}
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static void
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pointer_handle_enter(void *data, struct wl_pointer *pointer,
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                     uint32_t serial, struct wl_surface *surface,
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                     wl_fixed_t sx_w, wl_fixed_t sy_w)
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{
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    struct SDL_WaylandInput *input = data;
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    SDL_WindowData *window;
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    if (!surface) {
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        /* enter event for a window we've just destroyed */
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        return;
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    }
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    /* This handler will be called twice in Wayland 1.4
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     * Once for the window surface which has valid user data
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     * and again for the mouse cursor surface which does not have valid user data
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     * We ignore the later
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     */
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    window = (SDL_WindowData *)wl_surface_get_user_data(surface);
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    if (window) {
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        input->pointer_focus = window;
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        SDL_SetMouseFocus(window->sdlwindow);
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    }
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}
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static void
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pointer_handle_leave(void *data, struct wl_pointer *pointer,
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                     uint32_t serial, struct wl_surface *surface)
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{
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    struct SDL_WaylandInput *input = data;
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    if (input->pointer_focus) {
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        SDL_SetMouseFocus(NULL);
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        input->pointer_focus = NULL;
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    }
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}
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static void
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pointer_handle_motion(void *data, struct wl_pointer *pointer,
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                      uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_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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    input->sx_w = sx_w;
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    input->sy_w = sy_w;
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    if (input->pointer_focus) {
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        const int sx = wl_fixed_to_int(sx_w);
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        const int sy = wl_fixed_to_int(sy_w);
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        SDL_SendMouseMotion(window->sdlwindow, 0, 0, sx, sy);
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    }
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}
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static SDL_bool
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ProcessHitTest(struct SDL_WaylandInput *input, uint32_t serial)
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{
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    SDL_WindowData *window_data = input->pointer_focus;
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    SDL_Window *window = window_data->sdlwindow;
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    if (window->hit_test) {
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        const SDL_Point point = { wl_fixed_to_int(input->sx_w), wl_fixed_to_int(input->sy_w) };
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        const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
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        static const uint32_t directions[] = {
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            WL_SHELL_SURFACE_RESIZE_TOP_LEFT, WL_SHELL_SURFACE_RESIZE_TOP,
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            WL_SHELL_SURFACE_RESIZE_TOP_RIGHT, WL_SHELL_SURFACE_RESIZE_RIGHT,
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            WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT, WL_SHELL_SURFACE_RESIZE_BOTTOM,
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            WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT, WL_SHELL_SURFACE_RESIZE_LEFT
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        };
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        switch (rc) {
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            case SDL_HITTEST_DRAGGABLE:
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                wl_shell_surface_move(window_data->shell_surface, input->seat, serial);
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                return SDL_TRUE;
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            case SDL_HITTEST_RESIZE_TOPLEFT:
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            case SDL_HITTEST_RESIZE_TOP:
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            case SDL_HITTEST_RESIZE_TOPRIGHT:
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            case SDL_HITTEST_RESIZE_RIGHT:
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            case SDL_HITTEST_RESIZE_BOTTOMRIGHT:
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            case SDL_HITTEST_RESIZE_BOTTOM:
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            case SDL_HITTEST_RESIZE_BOTTOMLEFT:
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            case SDL_HITTEST_RESIZE_LEFT:
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                wl_shell_surface_resize(window_data->shell_surface, input->seat, serial, directions[rc - SDL_HITTEST_RESIZE_TOPLEFT]);
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                return SDL_TRUE;
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            default: return SDL_FALSE;
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        }
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    }
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    return SDL_FALSE;
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}
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static void
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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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    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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    if  (input->pointer_focus) {
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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(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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            case BTN_MIDDLE:
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                sdl_button = SDL_BUTTON_MIDDLE;
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                break;
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            case BTN_RIGHT:
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                sdl_button = SDL_BUTTON_RIGHT;
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                break;
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            case BTN_SIDE:
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                sdl_button = SDL_BUTTON_X1;
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                break;
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   305
            case BTN_EXTRA:
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                sdl_button = SDL_BUTTON_X2;
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                break;
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            default:
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                return;
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   310
        }
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        Wayland_data_device_set_serial(input->data_device, serial); 
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        SDL_SendMouseButton(window->sdlwindow, 0,
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                            state ? SDL_PRESSED : SDL_RELEASED, sdl_button);
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    }
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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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{
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    struct SDL_WaylandInput *input = data;
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   324
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    pointer_handle_button_common(input, serial, time, button, state_w);
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   326
}
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   328
static void
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   329
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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    float x, y;
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    if (input->pointer_focus) {
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        switch (a) {
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            case WL_POINTER_AXIS_VERTICAL_SCROLL:
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                x = 0;
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                y = (float)wl_fixed_to_double(value);
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                break;
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            case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
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                x = (float)wl_fixed_to_double(value);
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                y = 0;
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                break;
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            default:
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                return;
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        }
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        SDL_SendMouseWheel(window->sdlwindow, 0, x, y, SDL_MOUSEWHEEL_NORMAL);
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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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   357
{
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   358
    struct SDL_WaylandInput *input = data;
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   359
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   360
    pointer_handle_axis_common(input, time, axis, value);
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}
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static const struct wl_pointer_listener pointer_listener = {
gabomdq@8062
   364
    pointer_handle_enter,
gabomdq@8062
   365
    pointer_handle_leave,
gabomdq@8062
   366
    pointer_handle_motion,
gabomdq@8062
   367
    pointer_handle_button,
gabomdq@8062
   368
    pointer_handle_axis,
gabomdq@8062
   369
};
gabomdq@8062
   370
gabomdq@8062
   371
static void
slouken@11336
   372
touch_handler_down(void *data, struct wl_touch *touch, unsigned int serial,
slouken@11336
   373
                   unsigned int timestamp, struct wl_surface *surface,
slouken@11336
   374
                   int id, wl_fixed_t fx, wl_fixed_t fy)
slouken@11336
   375
{
slouken@11336
   376
    float x, y;
slouken@11336
   377
    SDL_WindowData* window;
slouken@11336
   378
slouken@11336
   379
    window = (SDL_WindowData *)wl_surface_get_user_data(surface);
slouken@11336
   380
slouken@11336
   381
    x = wl_fixed_to_double(fx) / window->sdlwindow->w;
slouken@11336
   382
    y = wl_fixed_to_double(fy) / window->sdlwindow->h;
slouken@11336
   383
slouken@11336
   384
    touch_add(id, x, y, surface);
slouken@11336
   385
    SDL_SendTouch(1, (SDL_FingerID)id, SDL_TRUE, x, y, 1.0f);
slouken@11336
   386
}
slouken@11336
   387
slouken@11336
   388
static void
slouken@11336
   389
touch_handler_up(void *data, struct wl_touch *touch, unsigned int serial,
slouken@11336
   390
                 unsigned int timestamp, int id)
slouken@11336
   391
{
slouken@11336
   392
    float x = 0, y = 0;
slouken@11336
   393
slouken@11336
   394
    touch_del(id, &x, &y);
slouken@11336
   395
    SDL_SendTouch(1, (SDL_FingerID)id, SDL_FALSE, x, y, 0.0f);
slouken@11336
   396
}
slouken@11336
   397
slouken@11336
   398
static void
slouken@11336
   399
touch_handler_motion(void *data, struct wl_touch *touch, unsigned int timestamp,
slouken@11336
   400
                     int id, wl_fixed_t fx, wl_fixed_t fy)
slouken@11336
   401
{
slouken@11336
   402
    float x, y;
slouken@11336
   403
    SDL_WindowData* window;
slouken@11336
   404
slouken@11336
   405
    window = (SDL_WindowData *)wl_surface_get_user_data(touch_surface(id));
slouken@11336
   406
slouken@11336
   407
    x = wl_fixed_to_double(fx) / window->sdlwindow->w;
slouken@11336
   408
    y = wl_fixed_to_double(fy) / window->sdlwindow->h;
slouken@11336
   409
slouken@11336
   410
    touch_update(id, x, y);
slouken@11336
   411
    SDL_SendTouchMotion(1, (SDL_FingerID)id, x, y, 1.0f);
slouken@11336
   412
}
slouken@11336
   413
slouken@11336
   414
static void
slouken@11336
   415
touch_handler_frame(void *data, struct wl_touch *touch)
slouken@11336
   416
{
slouken@11336
   417
slouken@11336
   418
}
slouken@11336
   419
slouken@11336
   420
static void
slouken@11336
   421
touch_handler_cancel(void *data, struct wl_touch *touch)
slouken@11336
   422
{
slouken@11336
   423
slouken@11336
   424
}
slouken@11336
   425
slouken@11336
   426
static const struct wl_touch_listener touch_listener = {
slouken@11336
   427
    touch_handler_down,
slouken@11336
   428
    touch_handler_up,
slouken@11336
   429
    touch_handler_motion,
slouken@11336
   430
    touch_handler_frame,
slouken@11336
   431
    touch_handler_cancel
slouken@11336
   432
};
slouken@11336
   433
slouken@11336
   434
static void
gabomdq@8062
   435
keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
gabomdq@8062
   436
                       uint32_t format, int fd, uint32_t size)
gabomdq@8062
   437
{
gabomdq@8062
   438
    struct SDL_WaylandInput *input = data;
gabomdq@8062
   439
    char *map_str;
gabomdq@8062
   440
gabomdq@8062
   441
    if (!data) {
gabomdq@8062
   442
        close(fd);
gabomdq@8062
   443
        return;
gabomdq@8062
   444
    }
gabomdq@8062
   445
gabomdq@8062
   446
    if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
gabomdq@8062
   447
        close(fd);
gabomdq@8062
   448
        return;
gabomdq@8062
   449
    }
gabomdq@8062
   450
gabomdq@8062
   451
    map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
gabomdq@8062
   452
    if (map_str == MAP_FAILED) {
gabomdq@8062
   453
        close(fd);
gabomdq@8062
   454
        return;
gabomdq@8062
   455
    }
gabomdq@8062
   456
gabomdq@8104
   457
    input->xkb.keymap = WAYLAND_xkb_keymap_new_from_string(input->display->xkb_context,
gabomdq@8062
   458
                                                map_str,
gabomdq@8062
   459
                                                XKB_KEYMAP_FORMAT_TEXT_V1,
gabomdq@8062
   460
                                                0);
gabomdq@8062
   461
    munmap(map_str, size);
gabomdq@8062
   462
    close(fd);
gabomdq@8062
   463
gabomdq@8062
   464
    if (!input->xkb.keymap) {
gabomdq@8062
   465
        fprintf(stderr, "failed to compile keymap\n");
gabomdq@8062
   466
        return;
gabomdq@8062
   467
    }
gabomdq@8062
   468
gabomdq@8104
   469
    input->xkb.state = WAYLAND_xkb_state_new(input->xkb.keymap);
gabomdq@8062
   470
    if (!input->xkb.state) {
gabomdq@8062
   471
        fprintf(stderr, "failed to create XKB state\n");
gabomdq@8104
   472
        WAYLAND_xkb_keymap_unref(input->xkb.keymap);
gabomdq@8062
   473
        input->xkb.keymap = NULL;
gabomdq@8062
   474
        return;
gabomdq@8062
   475
    }
gabomdq@8062
   476
}
gabomdq@8062
   477
gabomdq@8062
   478
static void
gabomdq@8062
   479
keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
gabomdq@8062
   480
                      uint32_t serial, struct wl_surface *surface,
gabomdq@8062
   481
                      struct wl_array *keys)
gabomdq@8062
   482
{
gabomdq@8062
   483
    struct SDL_WaylandInput *input = data;
icculus@9656
   484
    SDL_WindowData *window;
icculus@9655
   485
icculus@9655
   486
    if (!surface) {
icculus@9655
   487
        /* enter event for a window we've just destroyed */
icculus@9655
   488
        return;
icculus@9655
   489
    }
slouken@11300
   490
icculus@9656
   491
    window = wl_surface_get_user_data(surface);
gabomdq@8062
   492
gabomdq@8135
   493
    if (window) {
philipp@10099
   494
        input->keyboard_focus = window;
philipp@10099
   495
        window->keyboard_device = input;
gabomdq@8135
   496
        SDL_SetKeyboardFocus(window->sdlwindow);
gabomdq@8135
   497
    }
gabomdq@8062
   498
}
gabomdq@8062
   499
gabomdq@8062
   500
static void
gabomdq@8062
   501
keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
gabomdq@8062
   502
                      uint32_t serial, struct wl_surface *surface)
gabomdq@8062
   503
{
gabomdq@8062
   504
    SDL_SetKeyboardFocus(NULL);
gabomdq@8062
   505
}
gabomdq@8062
   506
gabomdq@8062
   507
static void
gabomdq@8062
   508
keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
gabomdq@8062
   509
                    uint32_t serial, uint32_t time, uint32_t key,
gabomdq@8062
   510
                    uint32_t state_w)
gabomdq@8062
   511
{
gabomdq@8062
   512
    struct SDL_WaylandInput *input = data;
gabomdq@8062
   513
    SDL_WindowData *window = input->keyboard_focus;
gabomdq@8062
   514
    enum wl_keyboard_key_state state = state_w;
gabomdq@8062
   515
    const xkb_keysym_t *syms;
gabomdq@8062
   516
    uint32_t scancode;
gabomdq@8062
   517
    char text[8];
gabomdq@8062
   518
    int size;
gabomdq@8062
   519
gabomdq@8062
   520
    if (key < SDL_arraysize(xfree86_scancode_table2)) {
gabomdq@8062
   521
        scancode = xfree86_scancode_table2[key];
gabomdq@8062
   522
gabomdq@8062
   523
        // TODO when do we get WL_KEYBOARD_KEY_STATE_REPEAT?
gabomdq@8062
   524
        if (scancode != SDL_SCANCODE_UNKNOWN)
gabomdq@8062
   525
            SDL_SendKeyboardKey(state == WL_KEYBOARD_KEY_STATE_PRESSED ?
gabomdq@8062
   526
                                SDL_PRESSED : SDL_RELEASED, scancode);
gabomdq@8062
   527
    }
gabomdq@8062
   528
gabomdq@8062
   529
    if (!window || window->keyboard_device != input || !input->xkb.state)
gabomdq@8062
   530
        return;
gabomdq@8062
   531
gabomdq@8062
   532
    // TODO can this happen?
gabomdq@8104
   533
    if (WAYLAND_xkb_state_key_get_syms(input->xkb.state, key + 8, &syms) != 1)
gabomdq@8062
   534
        return;
gabomdq@8062
   535
gabomdq@8062
   536
    if (state) {
gabomdq@8104
   537
        size = WAYLAND_xkb_keysym_to_utf8(syms[0], text, sizeof text);
gabomdq@8062
   538
gabomdq@8062
   539
        if (size > 0) {
gabomdq@8062
   540
            text[size] = 0;
slouken@10583
   541
slouken@10583
   542
            Wayland_data_device_set_serial(input->data_device, serial);
slouken@10583
   543
gabomdq@8062
   544
            SDL_SendKeyboardText(text);
gabomdq@8062
   545
        }
gabomdq@8062
   546
    }
gabomdq@8062
   547
}
gabomdq@8062
   548
gabomdq@8062
   549
static void
gabomdq@8062
   550
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
gabomdq@8062
   551
                          uint32_t serial, uint32_t mods_depressed,
gabomdq@8062
   552
                          uint32_t mods_latched, uint32_t mods_locked,
gabomdq@8062
   553
                          uint32_t group)
gabomdq@8062
   554
{
gabomdq@8062
   555
    struct SDL_WaylandInput *input = data;
gabomdq@8062
   556
gabomdq@8104
   557
    WAYLAND_xkb_state_update_mask(input->xkb.state, mods_depressed, mods_latched,
gabomdq@8062
   558
                          mods_locked, 0, 0, group);
gabomdq@8062
   559
}
gabomdq@8062
   560
gabomdq@8062
   561
static const struct wl_keyboard_listener keyboard_listener = {
gabomdq@8062
   562
    keyboard_handle_keymap,
gabomdq@8062
   563
    keyboard_handle_enter,
gabomdq@8062
   564
    keyboard_handle_leave,
gabomdq@8062
   565
    keyboard_handle_key,
gabomdq@8062
   566
    keyboard_handle_modifiers,
gabomdq@8062
   567
};
gabomdq@8062
   568
gabomdq@8062
   569
static void
gabomdq@8062
   570
seat_handle_capabilities(void *data, struct wl_seat *seat,
gabomdq@8062
   571
                         enum wl_seat_capability caps)
gabomdq@8062
   572
{
gabomdq@8062
   573
    struct SDL_WaylandInput *input = data;
gabomdq@8062
   574
gabomdq@8062
   575
    if ((caps & WL_SEAT_CAPABILITY_POINTER) && !input->pointer) {
gabomdq@8062
   576
        input->pointer = wl_seat_get_pointer(seat);
gabomdq@8062
   577
        input->display->pointer = input->pointer;
gabomdq@8062
   578
        wl_pointer_set_user_data(input->pointer, input);
gabomdq@8062
   579
        wl_pointer_add_listener(input->pointer, &pointer_listener,
gabomdq@8062
   580
                                input);
gabomdq@8062
   581
    } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->pointer) {
gabomdq@8062
   582
        wl_pointer_destroy(input->pointer);
gabomdq@8062
   583
        input->pointer = NULL;
gabomdq@8062
   584
    }
gabomdq@8062
   585
slouken@11336
   586
    if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !input->touch) {
slouken@11336
   587
        SDL_AddTouch(1, "wayland_touch");
slouken@11336
   588
        input->touch = wl_seat_get_touch(seat);
slouken@11336
   589
        wl_touch_set_user_data(input->touch, input);
slouken@11336
   590
        wl_touch_add_listener(input->touch, &touch_listener,
slouken@11336
   591
                                 input);
slouken@11336
   592
    } else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && input->touch) {
slouken@11336
   593
        SDL_DelTouch(1);
slouken@11336
   594
        wl_touch_destroy(input->touch);
slouken@11336
   595
        input->touch = NULL;
slouken@11336
   596
    }
slouken@11336
   597
gabomdq@8062
   598
    if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard) {
gabomdq@8062
   599
        input->keyboard = wl_seat_get_keyboard(seat);
gabomdq@8062
   600
        wl_keyboard_set_user_data(input->keyboard, input);
gabomdq@8062
   601
        wl_keyboard_add_listener(input->keyboard, &keyboard_listener,
gabomdq@8062
   602
                                 input);
gabomdq@8062
   603
    } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) {
gabomdq@8062
   604
        wl_keyboard_destroy(input->keyboard);
gabomdq@8062
   605
        input->keyboard = NULL;
gabomdq@8062
   606
    }
gabomdq@8062
   607
}
gabomdq@8062
   608
gabomdq@8062
   609
static const struct wl_seat_listener seat_listener = {
gabomdq@8062
   610
    seat_handle_capabilities,
gabomdq@8062
   611
};
gabomdq@8062
   612
slouken@10583
   613
static void
slouken@10583
   614
data_source_handle_target(void *data, struct wl_data_source *wl_data_source,
slouken@10583
   615
                          const char *mime_type)
slouken@10583
   616
{
slouken@10583
   617
}
slouken@10583
   618
slouken@10583
   619
static void
slouken@10583
   620
data_source_handle_send(void *data, struct wl_data_source *wl_data_source,
slouken@10583
   621
                        const char *mime_type, int32_t fd)
slouken@10583
   622
{
slouken@10583
   623
    Wayland_data_source_send((SDL_WaylandDataSource *)data, mime_type, fd);
slouken@10583
   624
}
slouken@10583
   625
                       
slouken@10583
   626
static void
slouken@10583
   627
data_source_handle_cancelled(void *data, struct wl_data_source *wl_data_source)
slouken@10583
   628
{
slouken@10583
   629
    Wayland_data_source_destroy(data);
slouken@10583
   630
}
slouken@10583
   631
                       
slouken@10583
   632
static void
slouken@10583
   633
data_source_handle_dnd_drop_performed(void *data, struct wl_data_source *wl_data_source)
slouken@10583
   634
{
slouken@10583
   635
}
slouken@10583
   636
slouken@10583
   637
static void
slouken@10583
   638
data_source_handle_dnd_finished(void *data, struct wl_data_source *wl_data_source)
slouken@10583
   639
{
slouken@10583
   640
}
slouken@10583
   641
slouken@10583
   642
static void
slouken@10583
   643
data_source_handle_action(void *data, struct wl_data_source *wl_data_source,
slouken@10583
   644
                          uint32_t dnd_action)
slouken@10583
   645
{
slouken@10583
   646
}
slouken@10583
   647
slouken@10583
   648
static const struct wl_data_source_listener data_source_listener = {
slouken@10583
   649
    data_source_handle_target,
slouken@10583
   650
    data_source_handle_send,
slouken@10583
   651
    data_source_handle_cancelled,
slouken@10583
   652
    data_source_handle_dnd_drop_performed, // Version 3
slouken@10583
   653
    data_source_handle_dnd_finished,       // Version 3
slouken@10583
   654
    data_source_handle_action,             // Version 3
slouken@10583
   655
};
slouken@10583
   656
slouken@10583
   657
SDL_WaylandDataSource*
slouken@10583
   658
Wayland_data_source_create(_THIS)
slouken@10583
   659
{
slouken@10583
   660
    SDL_WaylandDataSource *data_source = NULL;
slouken@10583
   661
    SDL_VideoData *driver_data = NULL;
slouken@10583
   662
    struct wl_data_source *id = NULL;
slouken@10583
   663
slouken@10583
   664
    if (_this == NULL || _this->driverdata == NULL) {
slouken@10583
   665
        SDL_SetError("Video driver uninitialized");
slouken@10583
   666
    } else {
slouken@10583
   667
        driver_data = _this->driverdata;
slouken@10583
   668
slouken@10583
   669
        if (driver_data->data_device_manager != NULL) {
slouken@10583
   670
            id = wl_data_device_manager_create_data_source(
slouken@10583
   671
                     driver_data->data_device_manager);
slouken@10583
   672
        }
slouken@10583
   673
slouken@10583
   674
        if (id == NULL) { 
slouken@10583
   675
            SDL_SetError("Wayland unable to create data source");
slouken@10583
   676
        } else {
slouken@10583
   677
            data_source = SDL_calloc(1, sizeof *data_source);
slouken@10583
   678
            if (data_source == NULL) {
slouken@10583
   679
                SDL_OutOfMemory();
slouken@10583
   680
                wl_data_source_destroy(id);
slouken@10583
   681
            } else {
slouken@10583
   682
                WAYLAND_wl_list_init(&(data_source->mimes));
slouken@10583
   683
                data_source->source = id;
slouken@10583
   684
                wl_data_source_set_user_data(id, data_source);
slouken@10583
   685
                wl_data_source_add_listener(id, &data_source_listener,
slouken@10583
   686
                                            data_source);
slouken@10583
   687
            }
slouken@10583
   688
        }
slouken@10583
   689
    }
slouken@10583
   690
    return data_source;
slouken@10583
   691
}
slouken@10583
   692
slouken@10583
   693
static void
slouken@10583
   694
data_offer_handle_offer(void *data, struct wl_data_offer *wl_data_offer,
slouken@10583
   695
                        const char *mime_type)
slouken@10583
   696
{
slouken@10583
   697
    SDL_WaylandDataOffer *offer = data;
slouken@10583
   698
    Wayland_data_offer_add_mime(offer, mime_type);
slouken@10583
   699
}
slouken@10583
   700
slouken@10583
   701
static void
slouken@10583
   702
data_offer_handle_source_actions(void *data, struct wl_data_offer *wl_data_offer,
slouken@10583
   703
                                 uint32_t source_actions)
slouken@10583
   704
{
slouken@10583
   705
}
slouken@10583
   706
slouken@10583
   707
static void
slouken@10583
   708
data_offer_handle_actions(void *data, struct wl_data_offer *wl_data_offer,
slouken@10583
   709
                          uint32_t dnd_action)
slouken@10583
   710
{
slouken@10583
   711
}
slouken@10583
   712
slouken@10583
   713
static const struct wl_data_offer_listener data_offer_listener = {
slouken@10583
   714
    data_offer_handle_offer,
slouken@10583
   715
    data_offer_handle_source_actions, // Version 3
slouken@10583
   716
    data_offer_handle_actions,        // Version 3
slouken@10583
   717
};
slouken@10583
   718
slouken@10583
   719
static void
slouken@10583
   720
data_device_handle_data_offer(void *data, struct wl_data_device *wl_data_device,
slouken@10583
   721
			                  struct wl_data_offer *id)
slouken@10583
   722
{
slouken@10583
   723
    SDL_WaylandDataOffer *data_offer = NULL;
slouken@10583
   724
slouken@10583
   725
    data_offer = SDL_calloc(1, sizeof *data_offer);
slouken@10583
   726
    if (data_offer == NULL) {
slouken@10583
   727
        SDL_OutOfMemory();
slouken@10583
   728
    } else {
slouken@10583
   729
        data_offer->offer = id;
slouken@10583
   730
        data_offer->data_device = data;
slouken@10583
   731
        WAYLAND_wl_list_init(&(data_offer->mimes));
slouken@10583
   732
        wl_data_offer_set_user_data(id, data_offer);
slouken@10583
   733
        wl_data_offer_add_listener(id, &data_offer_listener, data_offer);
slouken@10583
   734
    }
slouken@10583
   735
}
slouken@10583
   736
slouken@10583
   737
static void
slouken@10583
   738
data_device_handle_enter(void *data, struct wl_data_device *wl_data_device,
slouken@10583
   739
		                 uint32_t serial, struct wl_surface *surface,
slouken@10583
   740
                         wl_fixed_t x, wl_fixed_t y, struct wl_data_offer *id)
slouken@10583
   741
{
slouken@10583
   742
    SDL_WaylandDataDevice *data_device = data;
slouken@10583
   743
    SDL_bool has_mime = SDL_FALSE;
slouken@10583
   744
    uint32_t dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; 
slouken@10583
   745
        
slouken@10583
   746
    data_device->drag_serial = serial;
slouken@10583
   747
slouken@10583
   748
    if (id != NULL) {
slouken@10583
   749
        data_device->drag_offer = wl_data_offer_get_user_data(id);
slouken@10583
   750
slouken@10583
   751
        /* TODO: SDL Support more mime types */
slouken@10583
   752
        has_mime = Wayland_data_offer_has_mime(
slouken@10583
   753
            data_device->drag_offer, FILE_MIME);
slouken@10583
   754
slouken@10583
   755
        /* If drag_mime is NULL this will decline the offer */
slouken@10583
   756
        wl_data_offer_accept(id, serial,
slouken@10583
   757
                             (has_mime == SDL_TRUE) ? FILE_MIME : NULL);
slouken@10583
   758
slouken@10583
   759
        /* SDL only supports "copy" style drag and drop */
slouken@10583
   760
        if (has_mime == SDL_TRUE) {
slouken@10583
   761
            dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
slouken@10583
   762
        }
slouken@10583
   763
        wl_data_offer_set_actions(data_device->drag_offer->offer,
slouken@10583
   764
                                  dnd_action, dnd_action);
slouken@10583
   765
    }
slouken@10583
   766
}
slouken@10583
   767
slouken@10583
   768
static void
slouken@10583
   769
data_device_handle_leave(void *data, struct wl_data_device *wl_data_device)
slouken@10583
   770
{
slouken@10583
   771
    SDL_WaylandDataDevice *data_device = data;
slouken@10583
   772
    SDL_WaylandDataOffer *offer = NULL;
slouken@10583
   773
slouken@10583
   774
    if (data_device->selection_offer != NULL) {
slouken@10583
   775
        data_device->selection_offer = NULL;
slouken@10583
   776
        Wayland_data_offer_destroy(offer);
slouken@10583
   777
    }
slouken@10583
   778
}
slouken@10583
   779
slouken@10583
   780
static void
slouken@10583
   781
data_device_handle_motion(void *data, struct wl_data_device *wl_data_device,
slouken@10583
   782
		                  uint32_t time, wl_fixed_t x, wl_fixed_t y)
slouken@10583
   783
{
slouken@10583
   784
}
slouken@10583
   785
slouken@10583
   786
static void
slouken@10583
   787
data_device_handle_drop(void *data, struct wl_data_device *wl_data_device)
slouken@10583
   788
{
slouken@10583
   789
    SDL_WaylandDataDevice *data_device = data;
slouken@10583
   790
    void *buffer = NULL;
slouken@10583
   791
    size_t length = 0;
slouken@10583
   792
slouken@10583
   793
    const char *current_uri = NULL;
slouken@10583
   794
    const char *last_char = NULL;
slouken@10583
   795
    char *current_char = NULL;
slouken@10583
   796
    
slouken@10583
   797
    if (data_device->drag_offer != NULL) {
slouken@10583
   798
        /* TODO: SDL Support more mime types */
slouken@10583
   799
        buffer = Wayland_data_offer_receive(data_device->drag_offer,
slouken@10583
   800
                                            &length, FILE_MIME, SDL_FALSE);
slouken@10583
   801
slouken@10583
   802
        /* uri-list */
slouken@10583
   803
        current_uri = (const char *)buffer;
slouken@10583
   804
        last_char = (const char *)buffer + length;
slouken@10583
   805
        for (current_char = buffer; current_char < last_char; ++current_char) {
slouken@10583
   806
            if (*current_char == '\n' || *current_char == 0) {
slouken@10583
   807
                if (*current_uri != 0 && *current_uri != '#') {
slouken@10583
   808
                    *current_char = 0;
slouken@10583
   809
                    SDL_SendDropFile(NULL, current_uri);
slouken@10583
   810
                }
slouken@10583
   811
                current_uri = (const char *)current_char + 1;
slouken@10583
   812
            }
slouken@10583
   813
        }
slouken@10583
   814
slouken@10583
   815
        SDL_free(buffer);
slouken@10583
   816
    }
slouken@10583
   817
}
slouken@10583
   818
slouken@10583
   819
static void
slouken@10583
   820
data_device_handle_selection(void *data, struct wl_data_device *wl_data_device,
slouken@10583
   821
			                 struct wl_data_offer *id)
slouken@10583
   822
{    
slouken@10583
   823
    SDL_WaylandDataDevice *data_device = data;
slouken@10583
   824
    SDL_WaylandDataOffer *offer = NULL;
slouken@10583
   825
slouken@10583
   826
    if (id != NULL) {
slouken@10583
   827
        offer = wl_data_offer_get_user_data(id);
slouken@10583
   828
    }
slouken@10583
   829
slouken@10583
   830
    if (data_device->selection_offer != offer) {
slouken@10583
   831
        Wayland_data_offer_destroy(data_device->selection_offer);
slouken@10583
   832
        data_device->selection_offer = offer;
slouken@10583
   833
    }
slouken@10583
   834
slouken@10583
   835
    SDL_SendClipboardUpdate();
slouken@10583
   836
}
slouken@10583
   837
slouken@10583
   838
static const struct wl_data_device_listener data_device_listener = {
slouken@10583
   839
    data_device_handle_data_offer,
slouken@10583
   840
    data_device_handle_enter,
slouken@10583
   841
    data_device_handle_leave,
slouken@10583
   842
    data_device_handle_motion,
slouken@10583
   843
    data_device_handle_drop,
slouken@10583
   844
    data_device_handle_selection
slouken@10583
   845
};
slouken@10583
   846
gabomdq@8062
   847
void
gabomdq@8062
   848
Wayland_display_add_input(SDL_VideoData *d, uint32_t id)
gabomdq@8062
   849
{
gabomdq@8062
   850
    struct SDL_WaylandInput *input;
slouken@10583
   851
    SDL_WaylandDataDevice *data_device = NULL;
gabomdq@8062
   852
gabomdq@8135
   853
    input = SDL_calloc(1, sizeof *input);
gabomdq@8062
   854
    if (input == NULL)
gabomdq@8062
   855
        return;
gabomdq@8062
   856
gabomdq@8062
   857
    input->display = d;
gabomdq@8062
   858
    input->seat = wl_registry_bind(d->registry, id, &wl_seat_interface, 1);
icculus@9554
   859
    input->sx_w = wl_fixed_from_int(0);
icculus@9554
   860
    input->sy_w = wl_fixed_from_int(0);
gabomdq@8062
   861
    d->input = input;
slouken@10583
   862
    
slouken@10583
   863
    if (d->data_device_manager != NULL) {
slouken@10583
   864
        data_device = SDL_calloc(1, sizeof *data_device);
slouken@10583
   865
        if (data_device == NULL) {
slouken@10583
   866
            return;
slouken@10583
   867
        }
slouken@10583
   868
slouken@10583
   869
        data_device->data_device = wl_data_device_manager_get_data_device(
slouken@10583
   870
            d->data_device_manager, input->seat
slouken@10583
   871
        );
slouken@10583
   872
        data_device->video_data = d;
slouken@10583
   873
slouken@10583
   874
        if (data_device->data_device == NULL) {
slouken@10583
   875
            SDL_free(data_device);
slouken@10583
   876
        } else {
slouken@10583
   877
            wl_data_device_set_user_data(data_device->data_device, data_device);
slouken@10583
   878
            wl_data_device_add_listener(data_device->data_device,
slouken@10583
   879
                                        &data_device_listener, data_device);
slouken@10583
   880
            input->data_device = data_device;
slouken@10583
   881
        }
slouken@10583
   882
    }
gabomdq@8062
   883
gabomdq@8062
   884
    wl_seat_add_listener(input->seat, &seat_listener, input);
gabomdq@8062
   885
    wl_seat_set_user_data(input->seat, input);
gabomdq@8062
   886
gabomdq@8104
   887
    WAYLAND_wl_display_flush(d->display);
gabomdq@8062
   888
}
gabomdq@8062
   889
gabomdq@8062
   890
void Wayland_display_destroy_input(SDL_VideoData *d)
gabomdq@8062
   891
{
gabomdq@8062
   892
    struct SDL_WaylandInput *input = d->input;
gabomdq@8062
   893
gabomdq@8062
   894
    if (!input)
gabomdq@8062
   895
        return;
gabomdq@8062
   896
slouken@10583
   897
    if (input->data_device != NULL) {
slouken@10583
   898
        Wayland_data_device_clear_selection(input->data_device);
slouken@10583
   899
        if (input->data_device->selection_offer != NULL) {
slouken@10583
   900
            Wayland_data_offer_destroy(input->data_device->selection_offer);
slouken@10583
   901
        }
slouken@10583
   902
        if (input->data_device->drag_offer != NULL) {
slouken@10583
   903
            Wayland_data_offer_destroy(input->data_device->drag_offer);
slouken@10583
   904
        }
slouken@10583
   905
        if (input->data_device->data_device != NULL) {
slouken@10583
   906
            wl_data_device_release(input->data_device->data_device);
slouken@10583
   907
        }
slouken@10583
   908
        SDL_free(input->data_device);
slouken@10583
   909
    }
slouken@10583
   910
gabomdq@8062
   911
    if (input->keyboard)
gabomdq@8062
   912
        wl_keyboard_destroy(input->keyboard);
gabomdq@8062
   913
gabomdq@8062
   914
    if (input->pointer)
gabomdq@8062
   915
        wl_pointer_destroy(input->pointer);
gabomdq@8062
   916
slouken@11336
   917
    if (input->touch) {
slouken@11336
   918
        SDL_DelTouch(1);
slouken@11336
   919
        wl_touch_destroy(input->touch);
slouken@11336
   920
    }
slouken@11336
   921
gabomdq@8062
   922
    if (input->seat)
gabomdq@8062
   923
        wl_seat_destroy(input->seat);
gabomdq@8062
   924
gabomdq@8062
   925
    if (input->xkb.state)
gabomdq@8104
   926
        WAYLAND_xkb_state_unref(input->xkb.state);
gabomdq@8062
   927
gabomdq@8062
   928
    if (input->xkb.keymap)
gabomdq@8104
   929
        WAYLAND_xkb_keymap_unref(input->xkb.keymap);
gabomdq@8062
   930
gabomdq@8135
   931
    SDL_free(input);
gabomdq@8062
   932
    d->input = NULL;
gabomdq@8062
   933
}
gabomdq@8062
   934
slouken@10583
   935
SDL_WaylandDataDevice* Wayland_get_data_device(struct SDL_WaylandInput *input)
slouken@10583
   936
{
slouken@10583
   937
    if (input == NULL) {
slouken@10583
   938
        return NULL;
slouken@10583
   939
    }
slouken@10583
   940
slouken@10583
   941
    return input->data_device;
slouken@10583
   942
}
slouken@10583
   943
slouken@10304
   944
void Wayland_display_add_relative_pointer_manager(SDL_VideoData *d, uint32_t id)
slouken@10304
   945
{
slouken@10304
   946
    d->relative_pointer_manager =
slouken@10304
   947
        wl_registry_bind(d->registry, id,
slouken@10304
   948
                         &zwp_relative_pointer_manager_v1_interface, 1);
slouken@10304
   949
}
slouken@10304
   950
slouken@10304
   951
void Wayland_display_destroy_relative_pointer_manager(SDL_VideoData *d)
slouken@10304
   952
{
slouken@10304
   953
    if (d->relative_pointer_manager)
slouken@10304
   954
        zwp_relative_pointer_manager_v1_destroy(d->relative_pointer_manager);
slouken@10304
   955
}
slouken@10304
   956
slouken@10304
   957
void Wayland_display_add_pointer_constraints(SDL_VideoData *d, uint32_t id)
slouken@10304
   958
{
slouken@10304
   959
    d->pointer_constraints =
slouken@10304
   960
        wl_registry_bind(d->registry, id,
slouken@10304
   961
                         &zwp_pointer_constraints_v1_interface, 1);
slouken@10304
   962
}
slouken@10304
   963
slouken@10304
   964
void Wayland_display_destroy_pointer_constraints(SDL_VideoData *d)
slouken@10304
   965
{
slouken@10304
   966
    if (d->pointer_constraints)
slouken@10304
   967
        zwp_pointer_constraints_v1_destroy(d->pointer_constraints);
slouken@10304
   968
}
slouken@10304
   969
slouken@10304
   970
static void
slouken@10304
   971
relative_pointer_handle_relative_motion(void *data,
slouken@10304
   972
                                        struct zwp_relative_pointer_v1 *pointer,
slouken@10304
   973
                                        uint32_t time_hi,
slouken@10304
   974
                                        uint32_t time_lo,
slouken@10304
   975
                                        wl_fixed_t dx_w,
slouken@10304
   976
                                        wl_fixed_t dy_w,
slouken@10304
   977
                                        wl_fixed_t dx_unaccel_w,
slouken@10304
   978
                                        wl_fixed_t dy_unaccel_w)
slouken@10304
   979
{
slouken@10304
   980
    struct SDL_WaylandInput *input = data;
slouken@10304
   981
    SDL_VideoData *d = input->display;
slouken@10304
   982
    SDL_WindowData *window = input->pointer_focus;
slouken@10304
   983
    double dx_unaccel;
slouken@10304
   984
    double dy_unaccel;
slouken@10304
   985
    double dx;
slouken@10304
   986
    double dy;
slouken@10304
   987
slouken@10304
   988
    dx_unaccel = wl_fixed_to_double(dx_unaccel_w);
slouken@10304
   989
    dy_unaccel = wl_fixed_to_double(dy_unaccel_w);
slouken@10304
   990
slouken@10304
   991
    /* Add left over fraction from last event. */
slouken@10304
   992
    dx_unaccel += input->dx_frac;
slouken@10304
   993
    dy_unaccel += input->dy_frac;
slouken@10304
   994
slouken@10304
   995
    input->dx_frac = modf(dx_unaccel, &dx);
slouken@10304
   996
    input->dy_frac = modf(dy_unaccel, &dy);
slouken@10304
   997
slouken@10304
   998
    if (input->pointer_focus && d->relative_mouse_mode) {
slouken@10304
   999
        SDL_SendMouseMotion(window->sdlwindow, 0, 1, (int)dx, (int)dy);
slouken@10304
  1000
    }
slouken@10304
  1001
}
slouken@10304
  1002
slouken@10304
  1003
static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
slouken@10304
  1004
    relative_pointer_handle_relative_motion,
slouken@10304
  1005
};
slouken@10304
  1006
slouken@10304
  1007
static void
slouken@10304
  1008
locked_pointer_locked(void *data,
slouken@10304
  1009
                      struct zwp_locked_pointer_v1 *locked_pointer)
slouken@10304
  1010
{
slouken@10304
  1011
}
slouken@10304
  1012
slouken@10304
  1013
static void
slouken@10304
  1014
locked_pointer_unlocked(void *data,
slouken@10304
  1015
                        struct zwp_locked_pointer_v1 *locked_pointer)
slouken@10304
  1016
{
slouken@10304
  1017
}
slouken@10304
  1018
slouken@10304
  1019
static const struct zwp_locked_pointer_v1_listener locked_pointer_listener = {
slouken@10304
  1020
    locked_pointer_locked,
slouken@10304
  1021
    locked_pointer_unlocked,
slouken@10304
  1022
};
slouken@10304
  1023
slouken@10304
  1024
static void
slouken@10304
  1025
lock_pointer_to_window(SDL_Window *window,
slouken@10304
  1026
                       struct SDL_WaylandInput *input)
slouken@10304
  1027
{
slouken@10304
  1028
    SDL_WindowData *w = window->driverdata;
slouken@10304
  1029
    SDL_VideoData *d = input->display;
slouken@10304
  1030
    struct zwp_locked_pointer_v1 *locked_pointer;
slouken@10304
  1031
slouken@10304
  1032
    if (w->locked_pointer)
slouken@10304
  1033
        return;
slouken@10304
  1034
slouken@10304
  1035
    locked_pointer =
slouken@10304
  1036
        zwp_pointer_constraints_v1_lock_pointer(d->pointer_constraints,
slouken@10304
  1037
                                                w->surface,
slouken@10304
  1038
                                                input->pointer,
slouken@10304
  1039
                                                NULL,
slouken@10304
  1040
                                                ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
slouken@10304
  1041
    zwp_locked_pointer_v1_add_listener(locked_pointer,
slouken@10304
  1042
                                       &locked_pointer_listener,
slouken@10304
  1043
                                       window);
slouken@10304
  1044
slouken@10304
  1045
    w->locked_pointer = locked_pointer;
slouken@10304
  1046
}
slouken@10304
  1047
slouken@10304
  1048
int Wayland_input_lock_pointer(struct SDL_WaylandInput *input)
slouken@10304
  1049
{
slouken@10304
  1050
    SDL_VideoDevice *vd = SDL_GetVideoDevice();
slouken@10304
  1051
    SDL_VideoData *d = input->display;
slouken@10304
  1052
    SDL_Window *window;
slouken@10304
  1053
    struct zwp_relative_pointer_v1 *relative_pointer;
slouken@10304
  1054
slouken@10304
  1055
    if (!d->relative_pointer_manager)
slouken@10304
  1056
        return -1;
slouken@10304
  1057
slouken@10304
  1058
    if (!d->pointer_constraints)
slouken@10304
  1059
        return -1;
slouken@10304
  1060
slouken@10304
  1061
    if (!input->relative_pointer) {
slouken@10304
  1062
        relative_pointer =
slouken@10304
  1063
            zwp_relative_pointer_manager_v1_get_relative_pointer(
slouken@10304
  1064
                d->relative_pointer_manager,
slouken@10304
  1065
                input->pointer);
slouken@10304
  1066
        zwp_relative_pointer_v1_add_listener(relative_pointer,
slouken@10304
  1067
                                             &relative_pointer_listener,
slouken@10304
  1068
                                             input);
slouken@10304
  1069
        input->relative_pointer = relative_pointer;
slouken@10304
  1070
    }
slouken@10304
  1071
slouken@10304
  1072
    for (window = vd->windows; window; window = window->next)
slouken@10304
  1073
        lock_pointer_to_window(window, input);
slouken@10304
  1074
slouken@10304
  1075
    d->relative_mouse_mode = 1;
slouken@10304
  1076
slouken@10304
  1077
    return 0;
slouken@10304
  1078
}
slouken@10304
  1079
slouken@10304
  1080
int Wayland_input_unlock_pointer(struct SDL_WaylandInput *input)
slouken@10304
  1081
{
slouken@10304
  1082
    SDL_VideoDevice *vd = SDL_GetVideoDevice();
slouken@10304
  1083
    SDL_VideoData *d = input->display;
slouken@10304
  1084
    SDL_Window *window;
slouken@10304
  1085
    SDL_WindowData *w;
slouken@10304
  1086
slouken@10304
  1087
    for (window = vd->windows; window; window = window->next) {
slouken@10304
  1088
        w = window->driverdata;
slouken@10304
  1089
        if (w->locked_pointer)
slouken@10304
  1090
            zwp_locked_pointer_v1_destroy(w->locked_pointer);
slouken@10304
  1091
        w->locked_pointer = NULL;
slouken@10304
  1092
    }
slouken@10304
  1093
slouken@10304
  1094
    zwp_relative_pointer_v1_destroy(input->relative_pointer);
slouken@10304
  1095
    input->relative_pointer = NULL;
slouken@10304
  1096
slouken@10304
  1097
    d->relative_mouse_mode = 0;
slouken@10304
  1098
slouken@10304
  1099
    return 0;
slouken@10304
  1100
}
slouken@10304
  1101
icculus@8116
  1102
#endif /* SDL_VIDEO_DRIVER_WAYLAND */
icculus@8116
  1103
gabomdq@8062
  1104
/* vi: set ts=4 sw=4 expandtab: */