diff options
Diffstat (limited to '3rdparty/SDL2/src/video/wayland/SDL_waylandevents.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/wayland/SDL_waylandevents.c | 640 |
1 files changed, 0 insertions, 640 deletions
diff --git a/3rdparty/SDL2/src/video/wayland/SDL_waylandevents.c b/3rdparty/SDL2/src/video/wayland/SDL_waylandevents.c deleted file mode 100644 index 2443aef7a55..00000000000 --- a/3rdparty/SDL2/src/video/wayland/SDL_waylandevents.c +++ /dev/null @@ -1,640 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_WAYLAND - -#include "SDL_stdinc.h" -#include "SDL_assert.h" -#include "SDL_log.h" - -#include "../../events/SDL_sysevents.h" -#include "../../events/SDL_events_c.h" -#include "../../events/scancodes_xfree86.h" - -#include "SDL_waylandvideo.h" -#include "SDL_waylandevents_c.h" -#include "SDL_waylandwindow.h" - -#include "SDL_waylanddyn.h" - -#include "pointer-constraints-unstable-v1-client-protocol.h" -#include "relative-pointer-unstable-v1-client-protocol.h" - -#include <linux/input.h> -#include <sys/select.h> -#include <sys/mman.h> -#include <poll.h> -#include <unistd.h> -#include <xkbcommon/xkbcommon.h> - -struct SDL_WaylandInput { - SDL_VideoData *display; - struct wl_seat *seat; - struct wl_pointer *pointer; - struct wl_keyboard *keyboard; - struct zwp_relative_pointer_v1 *relative_pointer; - SDL_WindowData *pointer_focus; - SDL_WindowData *keyboard_focus; - - /* Last motion location */ - wl_fixed_t sx_w; - wl_fixed_t sy_w; - - double dx_frac; - double dy_frac; - - struct { - struct xkb_keymap *keymap; - struct xkb_state *state; - } xkb; -}; - -void -Wayland_PumpEvents(_THIS) -{ - SDL_VideoData *d = _this->driverdata; - struct pollfd pfd[1]; - - pfd[0].fd = WAYLAND_wl_display_get_fd(d->display); - pfd[0].events = POLLIN; - poll(pfd, 1, 0); - - if (pfd[0].revents & POLLIN) - WAYLAND_wl_display_dispatch(d->display); - else - WAYLAND_wl_display_dispatch_pending(d->display); -} - -static void -pointer_handle_enter(void *data, struct wl_pointer *pointer, - uint32_t serial, struct wl_surface *surface, - wl_fixed_t sx_w, wl_fixed_t sy_w) -{ - struct SDL_WaylandInput *input = data; - SDL_WindowData *window; - - if (!surface) { - /* enter event for a window we've just destroyed */ - return; - } - - /* This handler will be called twice in Wayland 1.4 - * Once for the window surface which has valid user data - * and again for the mouse cursor surface which does not have valid user data - * We ignore the later - */ - - window = (SDL_WindowData *)wl_surface_get_user_data(surface); - - if (window) { - input->pointer_focus = window; - SDL_SetMouseFocus(window->sdlwindow); - } -} - -static void -pointer_handle_leave(void *data, struct wl_pointer *pointer, - uint32_t serial, struct wl_surface *surface) -{ - struct SDL_WaylandInput *input = data; - - if (input->pointer_focus) { - SDL_SetMouseFocus(NULL); - input->pointer_focus = NULL; - } -} - -static void -pointer_handle_motion(void *data, struct wl_pointer *pointer, - uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w) -{ - struct SDL_WaylandInput *input = data; - SDL_WindowData *window = input->pointer_focus; - input->sx_w = sx_w; - input->sy_w = sy_w; - if (input->pointer_focus) { - const int sx = wl_fixed_to_int(sx_w); - const int sy = wl_fixed_to_int(sy_w); - SDL_SendMouseMotion(window->sdlwindow, 0, 0, sx, sy); - } -} - -static SDL_bool -ProcessHitTest(struct SDL_WaylandInput *input, uint32_t serial) -{ - SDL_WindowData *window_data = input->pointer_focus; - SDL_Window *window = window_data->sdlwindow; - - if (window->hit_test) { - const SDL_Point point = { wl_fixed_to_int(input->sx_w), wl_fixed_to_int(input->sy_w) }; - const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data); - static const uint32_t directions[] = { - WL_SHELL_SURFACE_RESIZE_TOP_LEFT, WL_SHELL_SURFACE_RESIZE_TOP, - WL_SHELL_SURFACE_RESIZE_TOP_RIGHT, WL_SHELL_SURFACE_RESIZE_RIGHT, - WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT, WL_SHELL_SURFACE_RESIZE_BOTTOM, - WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT, WL_SHELL_SURFACE_RESIZE_LEFT - }; - switch (rc) { - case SDL_HITTEST_DRAGGABLE: - wl_shell_surface_move(window_data->shell_surface, input->seat, serial); - return SDL_TRUE; - - case SDL_HITTEST_RESIZE_TOPLEFT: - case SDL_HITTEST_RESIZE_TOP: - case SDL_HITTEST_RESIZE_TOPRIGHT: - case SDL_HITTEST_RESIZE_RIGHT: - case SDL_HITTEST_RESIZE_BOTTOMRIGHT: - case SDL_HITTEST_RESIZE_BOTTOM: - case SDL_HITTEST_RESIZE_BOTTOMLEFT: - case SDL_HITTEST_RESIZE_LEFT: - wl_shell_surface_resize(window_data->shell_surface, input->seat, serial, directions[rc - SDL_HITTEST_RESIZE_TOPLEFT]); - return SDL_TRUE; - - default: return SDL_FALSE; - } - } - - return SDL_FALSE; -} - -static void -pointer_handle_button_common(struct SDL_WaylandInput *input, uint32_t serial, - uint32_t time, uint32_t button, uint32_t state_w) -{ - SDL_WindowData *window = input->pointer_focus; - enum wl_pointer_button_state state = state_w; - uint32_t sdl_button; - - if (input->pointer_focus) { - switch (button) { - case BTN_LEFT: - sdl_button = SDL_BUTTON_LEFT; - if (ProcessHitTest(input, serial)) { - return; /* don't pass this event on to app. */ - } - break; - case BTN_MIDDLE: - sdl_button = SDL_BUTTON_MIDDLE; - break; - case BTN_RIGHT: - sdl_button = SDL_BUTTON_RIGHT; - break; - case BTN_SIDE: - sdl_button = SDL_BUTTON_X1; - break; - case BTN_EXTRA: - sdl_button = SDL_BUTTON_X2; - break; - default: - return; - } - - SDL_SendMouseButton(window->sdlwindow, 0, - state ? SDL_PRESSED : SDL_RELEASED, sdl_button); - } -} - -static void -pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial, - uint32_t time, uint32_t button, uint32_t state_w) -{ - struct SDL_WaylandInput *input = data; - - pointer_handle_button_common(input, serial, time, button, state_w); -} - -static void -pointer_handle_axis_common(struct SDL_WaylandInput *input, - uint32_t time, uint32_t axis, wl_fixed_t value) -{ - SDL_WindowData *window = input->pointer_focus; - enum wl_pointer_axis a = axis; - int x, y; - - if (input->pointer_focus) { - switch (a) { - case WL_POINTER_AXIS_VERTICAL_SCROLL: - x = 0; - y = wl_fixed_to_int(value); - break; - case WL_POINTER_AXIS_HORIZONTAL_SCROLL: - x = wl_fixed_to_int(value); - y = 0; - break; - default: - return; - } - - SDL_SendMouseWheel(window->sdlwindow, 0, x, y, SDL_MOUSEWHEEL_NORMAL); - } -} - -static void -pointer_handle_axis(void *data, struct wl_pointer *pointer, - uint32_t time, uint32_t axis, wl_fixed_t value) -{ - struct SDL_WaylandInput *input = data; - - pointer_handle_axis_common(input, time, axis, value); -} - -static const struct wl_pointer_listener pointer_listener = { - pointer_handle_enter, - pointer_handle_leave, - pointer_handle_motion, - pointer_handle_button, - pointer_handle_axis, -}; - -static void -keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard, - uint32_t format, int fd, uint32_t size) -{ - struct SDL_WaylandInput *input = data; - char *map_str; - - if (!data) { - close(fd); - return; - } - - if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { - close(fd); - return; - } - - map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); - if (map_str == MAP_FAILED) { - close(fd); - return; - } - - input->xkb.keymap = WAYLAND_xkb_keymap_new_from_string(input->display->xkb_context, - map_str, - XKB_KEYMAP_FORMAT_TEXT_V1, - 0); - munmap(map_str, size); - close(fd); - - if (!input->xkb.keymap) { - fprintf(stderr, "failed to compile keymap\n"); - return; - } - - input->xkb.state = WAYLAND_xkb_state_new(input->xkb.keymap); - if (!input->xkb.state) { - fprintf(stderr, "failed to create XKB state\n"); - WAYLAND_xkb_keymap_unref(input->xkb.keymap); - input->xkb.keymap = NULL; - return; - } -} - -static void -keyboard_handle_enter(void *data, struct wl_keyboard *keyboard, - uint32_t serial, struct wl_surface *surface, - struct wl_array *keys) -{ - struct SDL_WaylandInput *input = data; - SDL_WindowData *window; - - if (!surface) { - /* enter event for a window we've just destroyed */ - return; - } - - window = wl_surface_get_user_data(surface); - - if (window) { - input->keyboard_focus = window; - window->keyboard_device = input; - SDL_SetKeyboardFocus(window->sdlwindow); - } -} - -static void -keyboard_handle_leave(void *data, struct wl_keyboard *keyboard, - uint32_t serial, struct wl_surface *surface) -{ - SDL_SetKeyboardFocus(NULL); -} - -static void -keyboard_handle_key(void *data, struct wl_keyboard *keyboard, - uint32_t serial, uint32_t time, uint32_t key, - uint32_t state_w) -{ - struct SDL_WaylandInput *input = data; - SDL_WindowData *window = input->keyboard_focus; - enum wl_keyboard_key_state state = state_w; - const xkb_keysym_t *syms; - uint32_t scancode; - char text[8]; - int size; - - if (key < SDL_arraysize(xfree86_scancode_table2)) { - scancode = xfree86_scancode_table2[key]; - - // TODO when do we get WL_KEYBOARD_KEY_STATE_REPEAT? - if (scancode != SDL_SCANCODE_UNKNOWN) - SDL_SendKeyboardKey(state == WL_KEYBOARD_KEY_STATE_PRESSED ? - SDL_PRESSED : SDL_RELEASED, scancode); - } - - if (!window || window->keyboard_device != input || !input->xkb.state) - return; - - // TODO can this happen? - if (WAYLAND_xkb_state_key_get_syms(input->xkb.state, key + 8, &syms) != 1) - return; - - if (state) { - size = WAYLAND_xkb_keysym_to_utf8(syms[0], text, sizeof text); - - if (size > 0) { - text[size] = 0; - SDL_SendKeyboardText(text); - } - } -} - -static void -keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard, - uint32_t serial, uint32_t mods_depressed, - uint32_t mods_latched, uint32_t mods_locked, - uint32_t group) -{ - struct SDL_WaylandInput *input = data; - - WAYLAND_xkb_state_update_mask(input->xkb.state, mods_depressed, mods_latched, - mods_locked, 0, 0, group); -} - -static const struct wl_keyboard_listener keyboard_listener = { - keyboard_handle_keymap, - keyboard_handle_enter, - keyboard_handle_leave, - keyboard_handle_key, - keyboard_handle_modifiers, -}; - -static void -seat_handle_capabilities(void *data, struct wl_seat *seat, - enum wl_seat_capability caps) -{ - struct SDL_WaylandInput *input = data; - - if ((caps & WL_SEAT_CAPABILITY_POINTER) && !input->pointer) { - input->pointer = wl_seat_get_pointer(seat); - input->display->pointer = input->pointer; - wl_pointer_set_user_data(input->pointer, input); - wl_pointer_add_listener(input->pointer, &pointer_listener, - input); - } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->pointer) { - wl_pointer_destroy(input->pointer); - input->pointer = NULL; - } - - if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard) { - input->keyboard = wl_seat_get_keyboard(seat); - wl_keyboard_set_user_data(input->keyboard, input); - wl_keyboard_add_listener(input->keyboard, &keyboard_listener, - input); - } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) { - wl_keyboard_destroy(input->keyboard); - input->keyboard = NULL; - } -} - -static const struct wl_seat_listener seat_listener = { - seat_handle_capabilities, -}; - -void -Wayland_display_add_input(SDL_VideoData *d, uint32_t id) -{ - struct SDL_WaylandInput *input; - - input = SDL_calloc(1, sizeof *input); - if (input == NULL) - return; - - input->display = d; - input->seat = wl_registry_bind(d->registry, id, &wl_seat_interface, 1); - input->sx_w = wl_fixed_from_int(0); - input->sy_w = wl_fixed_from_int(0); - d->input = input; - - wl_seat_add_listener(input->seat, &seat_listener, input); - wl_seat_set_user_data(input->seat, input); - - WAYLAND_wl_display_flush(d->display); -} - -void Wayland_display_destroy_input(SDL_VideoData *d) -{ - struct SDL_WaylandInput *input = d->input; - - if (!input) - return; - - if (input->keyboard) - wl_keyboard_destroy(input->keyboard); - - if (input->pointer) - wl_pointer_destroy(input->pointer); - - if (input->seat) - wl_seat_destroy(input->seat); - - if (input->xkb.state) - WAYLAND_xkb_state_unref(input->xkb.state); - - if (input->xkb.keymap) - WAYLAND_xkb_keymap_unref(input->xkb.keymap); - - SDL_free(input); - d->input = NULL; -} - -void Wayland_display_add_relative_pointer_manager(SDL_VideoData *d, uint32_t id) -{ - d->relative_pointer_manager = - wl_registry_bind(d->registry, id, - &zwp_relative_pointer_manager_v1_interface, 1); -} - -void Wayland_display_destroy_relative_pointer_manager(SDL_VideoData *d) -{ - if (d->relative_pointer_manager) - zwp_relative_pointer_manager_v1_destroy(d->relative_pointer_manager); -} - -void Wayland_display_add_pointer_constraints(SDL_VideoData *d, uint32_t id) -{ - d->pointer_constraints = - wl_registry_bind(d->registry, id, - &zwp_pointer_constraints_v1_interface, 1); -} - -void Wayland_display_destroy_pointer_constraints(SDL_VideoData *d) -{ - if (d->pointer_constraints) - zwp_pointer_constraints_v1_destroy(d->pointer_constraints); -} - -static void -relative_pointer_handle_relative_motion(void *data, - struct zwp_relative_pointer_v1 *pointer, - uint32_t time_hi, - uint32_t time_lo, - wl_fixed_t dx_w, - wl_fixed_t dy_w, - wl_fixed_t dx_unaccel_w, - wl_fixed_t dy_unaccel_w) -{ - struct SDL_WaylandInput *input = data; - SDL_VideoData *d = input->display; - SDL_WindowData *window = input->pointer_focus; - double dx_unaccel; - double dy_unaccel; - double dx; - double dy; - - dx_unaccel = wl_fixed_to_double(dx_unaccel_w); - dy_unaccel = wl_fixed_to_double(dy_unaccel_w); - - /* Add left over fraction from last event. */ - dx_unaccel += input->dx_frac; - dy_unaccel += input->dy_frac; - - input->dx_frac = modf(dx_unaccel, &dx); - input->dy_frac = modf(dy_unaccel, &dy); - - if (input->pointer_focus && d->relative_mouse_mode) { - SDL_SendMouseMotion(window->sdlwindow, 0, 1, (int)dx, (int)dy); - } -} - -static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = { - relative_pointer_handle_relative_motion, -}; - -static void -locked_pointer_locked(void *data, - struct zwp_locked_pointer_v1 *locked_pointer) -{ -} - -static void -locked_pointer_unlocked(void *data, - struct zwp_locked_pointer_v1 *locked_pointer) -{ -} - -static const struct zwp_locked_pointer_v1_listener locked_pointer_listener = { - locked_pointer_locked, - locked_pointer_unlocked, -}; - -static void -lock_pointer_to_window(SDL_Window *window, - struct SDL_WaylandInput *input) -{ - SDL_WindowData *w = window->driverdata; - SDL_VideoData *d = input->display; - struct zwp_locked_pointer_v1 *locked_pointer; - - if (w->locked_pointer) - return; - - locked_pointer = - zwp_pointer_constraints_v1_lock_pointer(d->pointer_constraints, - w->surface, - input->pointer, - NULL, - ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT); - zwp_locked_pointer_v1_add_listener(locked_pointer, - &locked_pointer_listener, - window); - - w->locked_pointer = locked_pointer; -} - -int Wayland_input_lock_pointer(struct SDL_WaylandInput *input) -{ - SDL_VideoDevice *vd = SDL_GetVideoDevice(); - SDL_VideoData *d = input->display; - SDL_Window *window; - struct zwp_relative_pointer_v1 *relative_pointer; - - if (!d->relative_pointer_manager) - return -1; - - if (!d->pointer_constraints) - return -1; - - if (!input->relative_pointer) { - relative_pointer = - zwp_relative_pointer_manager_v1_get_relative_pointer( - d->relative_pointer_manager, - input->pointer); - zwp_relative_pointer_v1_add_listener(relative_pointer, - &relative_pointer_listener, - input); - input->relative_pointer = relative_pointer; - } - - for (window = vd->windows; window; window = window->next) - lock_pointer_to_window(window, input); - - d->relative_mouse_mode = 1; - - return 0; -} - -int Wayland_input_unlock_pointer(struct SDL_WaylandInput *input) -{ - SDL_VideoDevice *vd = SDL_GetVideoDevice(); - SDL_VideoData *d = input->display; - SDL_Window *window; - SDL_WindowData *w; - - for (window = vd->windows; window; window = window->next) { - w = window->driverdata; - if (w->locked_pointer) - zwp_locked_pointer_v1_destroy(w->locked_pointer); - w->locked_pointer = NULL; - } - - zwp_relative_pointer_v1_destroy(input->relative_pointer); - input->relative_pointer = NULL; - - d->relative_mouse_mode = 0; - - return 0; -} - -#endif /* SDL_VIDEO_DRIVER_WAYLAND */ - -/* vi: set ts=4 sw=4 expandtab: */ |