Kristian Høgsberg
14 years ago
parent
25f0ba4be1
commit
4cca349349
@ -0,0 +1,479 @@ |
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/*
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* Copyright © 2010 Intel Corporation |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "wayland-server.h" |
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#include "compositor.h" |
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struct wlsc_move_grab { |
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struct wl_grab grab; |
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int32_t dx, dy; |
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}; |
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static void |
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move_grab_motion(struct wl_grab *grab, |
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uint32_t time, int32_t x, int32_t y) |
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{ |
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struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab; |
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struct wlsc_surface *es = |
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(struct wlsc_surface *) grab->input_device->pointer_focus; |
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es->x = x + move->dx; |
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es->y = y + move->dy; |
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wlsc_surface_update_matrix(es); |
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} |
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static void |
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move_grab_button(struct wl_grab *grab, |
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uint32_t time, int32_t button, int32_t state) |
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{ |
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} |
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static void |
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move_grab_end(struct wl_grab *grab, uint32_t time) |
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{ |
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free(grab); |
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} |
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static const struct wl_grab_interface move_grab_interface = { |
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move_grab_motion, |
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move_grab_button, |
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move_grab_end |
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}; |
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void |
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shell_move(struct wl_client *client, struct wl_shell *shell, |
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struct wl_surface *surface, |
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struct wl_input_device *device, uint32_t time) |
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{ |
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struct wlsc_input_device *wd = (struct wlsc_input_device *) device; |
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struct wlsc_surface *es = (struct wlsc_surface *) surface; |
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struct wlsc_move_grab *move; |
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move = malloc(sizeof *move); |
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if (!move) { |
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wl_client_post_no_memory(client); |
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return; |
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} |
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move->grab.interface = &move_grab_interface; |
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move->dx = es->x - wd->input_device.grab_x; |
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move->dy = es->y - wd->input_device.grab_y; |
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if (wl_input_device_update_grab(&wd->input_device, |
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&move->grab, surface, time) < 0) |
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return; |
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wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING); |
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} |
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struct wlsc_resize_grab { |
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struct wl_grab grab; |
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uint32_t edges; |
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int32_t dx, dy, width, height; |
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}; |
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static void |
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resize_grab_motion(struct wl_grab *grab, |
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uint32_t time, int32_t x, int32_t y) |
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{ |
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struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab; |
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struct wl_input_device *device = grab->input_device; |
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struct wlsc_compositor *ec = |
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(struct wlsc_compositor *) device->compositor; |
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struct wl_surface *surface = device->pointer_focus; |
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int32_t width, height; |
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if (resize->edges & WL_GRAB_RESIZE_LEFT) { |
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width = device->grab_x - x + resize->width; |
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} else if (resize->edges & WL_GRAB_RESIZE_RIGHT) { |
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width = x - device->grab_x + resize->width; |
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} else { |
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width = resize->width; |
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} |
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if (resize->edges & WL_GRAB_RESIZE_TOP) { |
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height = device->grab_y - y + resize->height; |
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} else if (resize->edges & WL_GRAB_RESIZE_BOTTOM) { |
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height = y - device->grab_y + resize->height; |
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} else { |
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height = resize->height; |
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} |
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wl_client_post_event(surface->client, &ec->shell.object, |
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WL_SHELL_CONFIGURE, time, resize->edges, |
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surface, width, height); |
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} |
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static void |
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resize_grab_button(struct wl_grab *grab, |
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uint32_t time, int32_t button, int32_t state) |
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{ |
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} |
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static void |
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resize_grab_end(struct wl_grab *grab, uint32_t time) |
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{ |
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free(grab); |
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} |
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static const struct wl_grab_interface resize_grab_interface = { |
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resize_grab_motion, |
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resize_grab_button, |
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resize_grab_end |
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}; |
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void |
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shell_resize(struct wl_client *client, struct wl_shell *shell, |
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struct wl_surface *surface, |
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struct wl_input_device *device, uint32_t time, uint32_t edges) |
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{ |
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struct wlsc_input_device *wd = (struct wlsc_input_device *) device; |
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struct wlsc_resize_grab *resize; |
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enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR; |
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struct wlsc_surface *es = (struct wlsc_surface *) surface; |
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resize = malloc(sizeof *resize); |
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if (!resize) { |
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wl_client_post_no_memory(client); |
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return; |
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} |
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resize->grab.interface = &resize_grab_interface; |
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resize->edges = edges; |
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resize->dx = es->x - wd->input_device.grab_x; |
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resize->dy = es->y - wd->input_device.grab_y; |
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resize->width = es->width; |
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resize->height = es->height; |
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if (edges == 0 || edges > 15 || |
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(edges & 3) == 3 || (edges & 12) == 12) |
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return; |
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switch (edges) { |
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case WL_GRAB_RESIZE_TOP: |
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pointer = WLSC_POINTER_TOP; |
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break; |
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case WL_GRAB_RESIZE_BOTTOM: |
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pointer = WLSC_POINTER_BOTTOM; |
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break; |
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case WL_GRAB_RESIZE_LEFT: |
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pointer = WLSC_POINTER_LEFT; |
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break; |
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case WL_GRAB_RESIZE_TOP_LEFT: |
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pointer = WLSC_POINTER_TOP_LEFT; |
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break; |
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case WL_GRAB_RESIZE_BOTTOM_LEFT: |
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pointer = WLSC_POINTER_BOTTOM_LEFT; |
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break; |
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case WL_GRAB_RESIZE_RIGHT: |
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pointer = WLSC_POINTER_RIGHT; |
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break; |
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case WL_GRAB_RESIZE_TOP_RIGHT: |
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pointer = WLSC_POINTER_TOP_RIGHT; |
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break; |
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case WL_GRAB_RESIZE_BOTTOM_RIGHT: |
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pointer = WLSC_POINTER_BOTTOM_RIGHT; |
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break; |
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} |
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if (wl_input_device_update_grab(&wd->input_device, |
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&resize->grab, surface, time) < 0) |
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return; |
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wlsc_input_device_set_pointer_image(wd, pointer); |
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} |
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static void |
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wl_drag_set_pointer_focus(struct wl_drag *drag, |
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struct wl_surface *surface, uint32_t time, |
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int32_t x, int32_t y, int32_t sx, int32_t sy); |
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static void |
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destroy_drag(struct wl_resource *resource, struct wl_client *client) |
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{ |
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struct wl_drag *drag = |
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container_of(resource, struct wl_drag, resource); |
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wl_list_remove(&drag->drag_focus_listener.link); |
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if (drag->grab.input_device) |
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wl_input_device_end_grab(drag->grab.input_device, get_time()); |
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free(drag); |
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} |
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static void |
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wl_drag_set_pointer_focus(struct wl_drag *drag, |
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struct wl_surface *surface, uint32_t time, |
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int32_t x, int32_t y, int32_t sx, int32_t sy) |
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{ |
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char **p, **end; |
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if (drag->drag_focus == surface) |
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return; |
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if (drag->drag_focus && |
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(!surface || drag->drag_focus->client != surface->client)) |
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wl_client_post_event(drag->drag_focus->client, |
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&drag->drag_offer.object, |
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WL_DRAG_OFFER_POINTER_FOCUS, |
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time, NULL, 0, 0, 0, 0); |
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if (surface && |
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(!drag->drag_focus || |
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drag->drag_focus->client != surface->client)) { |
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wl_client_post_global(surface->client, |
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&drag->drag_offer.object); |
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end = drag->types.data + drag->types.size; |
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for (p = drag->types.data; p < end; p++) |
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wl_client_post_event(surface->client, |
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&drag->drag_offer.object, |
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WL_DRAG_OFFER_OFFER, *p); |
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} |
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if (surface) { |
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wl_client_post_event(surface->client, |
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&drag->drag_offer.object, |
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WL_DRAG_OFFER_POINTER_FOCUS, |
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time, surface, |
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x, y, sx, sy); |
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} |
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drag->drag_focus = surface; |
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drag->pointer_focus_time = time; |
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drag->target = NULL; |
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wl_list_remove(&drag->drag_focus_listener.link); |
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if (surface) |
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wl_list_insert(surface->destroy_listener_list.prev, |
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&drag->drag_focus_listener.link); |
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} |
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static void |
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drag_offer_accept(struct wl_client *client, |
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struct wl_drag_offer *offer, uint32_t time, const char *type) |
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{ |
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struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer); |
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char **p, **end; |
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/* If the client responds to drag pointer_focus or motion
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* events after the pointer has left the surface, we just |
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* discard the accept requests. The drag source just won't |
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* get the corresponding 'target' events and eventually the |
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* next surface/root will start sending events. */ |
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if (time < drag->pointer_focus_time) |
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return; |
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drag->target = client; |
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drag->type = NULL; |
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end = drag->types.data + drag->types.size; |
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for (p = drag->types.data; p < end; p++) |
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if (type && strcmp(*p, type) == 0) |
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drag->type = *p; |
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wl_client_post_event(drag->source->client, &drag->resource.object, |
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WL_DRAG_TARGET, drag->type); |
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} |
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static void |
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drag_offer_receive(struct wl_client *client, |
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struct wl_drag_offer *offer, int fd) |
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{ |
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struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer); |
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wl_client_post_event(drag->source->client, &drag->resource.object, |
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WL_DRAG_FINISH, fd); |
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close(fd); |
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} |
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static void |
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drag_offer_reject(struct wl_client *client, struct wl_drag_offer *offer) |
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{ |
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struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer); |
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wl_client_post_event(drag->source->client, &drag->resource.object, |
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WL_DRAG_REJECT); |
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} |
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static const struct wl_drag_offer_interface drag_offer_interface = { |
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drag_offer_accept, |
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drag_offer_receive, |
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drag_offer_reject |
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}; |
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static void |
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drag_offer(struct wl_client *client, struct wl_drag *drag, const char *type) |
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{ |
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char **p; |
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p = wl_array_add(&drag->types, sizeof *p); |
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if (p) |
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*p = strdup(type); |
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if (!p || !*p) |
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wl_client_post_no_memory(client); |
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} |
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static void |
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drag_grab_motion(struct wl_grab *grab, |
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uint32_t time, int32_t x, int32_t y) |
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{ |
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struct wl_drag *drag = container_of(grab, struct wl_drag, grab); |
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struct wlsc_surface *es; |
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int32_t sx, sy; |
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es = pick_surface(grab->input_device, &sx, &sy); |
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wl_drag_set_pointer_focus(drag, &es->surface, time, x, y, sx, sy); |
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if (es) |
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wl_client_post_event(es->surface.client, |
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&drag->drag_offer.object, |
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WL_DRAG_OFFER_MOTION, |
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time, x, y, sx, sy); |
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} |
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static void |
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drag_grab_button(struct wl_grab *grab, |
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uint32_t time, int32_t button, int32_t state) |
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{ |
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} |
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static void |
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drag_grab_end(struct wl_grab *grab, uint32_t time) |
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{ |
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struct wl_drag *drag = container_of(grab, struct wl_drag, grab); |
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if (drag->target) |
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wl_client_post_event(drag->target, |
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&drag->drag_offer.object, |
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WL_DRAG_OFFER_DROP); |
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wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0); |
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} |
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static const struct wl_grab_interface drag_grab_interface = { |
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drag_grab_motion, |
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drag_grab_button, |
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drag_grab_end |
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}; |
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static void |
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drag_activate(struct wl_client *client, |
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struct wl_drag *drag, |
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struct wl_surface *surface, |
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struct wl_input_device *device, uint32_t time) |
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{ |
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struct wl_display *display = wl_client_get_display (client); |
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struct wlsc_surface *target; |
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int32_t sx, sy; |
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if (wl_input_device_update_grab(device, |
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&drag->grab, surface, time) < 0) |
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return; |
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drag->grab.interface = &drag_grab_interface; |
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drag->source = surface; |
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drag->drag_offer.object.interface = &wl_drag_offer_interface; |
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drag->drag_offer.object.implementation = |
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(void (**)(void)) &drag_offer_interface; |
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wl_display_add_object(display, &drag->drag_offer.object); |
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target = pick_surface(device, &sx, &sy); |
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wl_drag_set_pointer_focus(drag, &target->surface, time, |
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device->x, device->y, sx, sy); |
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} |
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static void |
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drag_destroy(struct wl_client *client, struct wl_drag *drag) |
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{ |
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wl_resource_destroy(&drag->resource, client); |
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} |
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static const struct wl_drag_interface drag_interface = { |
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drag_offer, |
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drag_activate, |
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drag_destroy, |
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}; |
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static void |
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drag_handle_surface_destroy(struct wl_listener *listener, |
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struct wl_surface *surface, uint32_t time) |
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{ |
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struct wl_drag *drag = |
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container_of(listener, struct wl_drag, drag_focus_listener); |
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if (drag->drag_focus == surface) |
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wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0); |
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} |
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static void |
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shell_create_drag(struct wl_client *client, |
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struct wl_shell *shell, uint32_t id) |
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{ |
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struct wl_drag *drag; |
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drag = malloc(sizeof *drag); |
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if (drag == NULL) { |
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wl_client_post_no_memory(client); |
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return; |
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} |
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memset(drag, 0, sizeof *drag); |
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drag->resource.object.id = id; |
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drag->resource.object.interface = &wl_drag_interface; |
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drag->resource.object.implementation = |
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(void (**)(void)) &drag_interface; |
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drag->resource.destroy = destroy_drag; |
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drag->drag_focus_listener.func = drag_handle_surface_destroy; |
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wl_list_init(&drag->drag_focus_listener.link); |
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wl_client_add_resource(client, &drag->resource); |
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} |
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const static struct wl_shell_interface shell_interface = { |
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shell_move, |
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shell_resize, |
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shell_create_drag |
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}; |
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int |
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wlsc_shell_init(struct wlsc_compositor *ec) |
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{ |
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struct wl_shell *shell = &ec->shell; |
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shell->object.interface = &wl_shell_interface; |
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shell->object.implementation = (void (**)(void)) &shell_interface; |
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wl_display_add_object(ec->wl_display, &shell->object); |
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if (wl_display_add_global(ec->wl_display, &shell->object, NULL)) |
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return -1; |
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return 0; |
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} |
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