313 lines
9.1 KiB
C
313 lines
9.1 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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* Copyright © 2011 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* 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
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "xwayland.h"
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#include <mipointer.h>
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static DevPrivateKeyRec xwl_cursor_private_key;
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static void
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expand_source_and_mask(CursorPtr cursor, CARD32 *data)
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{
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CARD32 *p, d, fg, bg;
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CursorBitsPtr bits = cursor->bits;
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int x, y, stride, i, bit;
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p = data;
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fg = ((cursor->foreRed & 0xff00) << 8) |
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(cursor->foreGreen & 0xff00) | (cursor->foreGreen >> 8);
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bg = ((cursor->backRed & 0xff00) << 8) |
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(cursor->backGreen & 0xff00) | (cursor->backGreen >> 8);
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stride = BitmapBytePad(bits->width);
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for (y = 0; y < bits->height; y++)
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for (x = 0; x < bits->width; x++) {
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i = y * stride + x / 8;
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bit = 1 << (x & 7);
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if (bits->source[i] & bit)
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d = fg;
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else
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d = bg;
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if (bits->mask[i] & bit)
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d |= 0xff000000;
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else
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d = 0x00000000;
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*p++ = d;
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}
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}
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static Bool
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xwl_realize_cursor(DeviceIntPtr device, ScreenPtr screen, CursorPtr cursor)
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{
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PixmapPtr pixmap;
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pixmap = xwl_shm_create_pixmap(screen, cursor->bits->width,
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cursor->bits->height, 32, 0);
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dixSetPrivate(&cursor->devPrivates, &xwl_cursor_private_key, pixmap);
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return TRUE;
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}
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static Bool
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xwl_unrealize_cursor(DeviceIntPtr device, ScreenPtr screen, CursorPtr cursor)
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{
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PixmapPtr pixmap;
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struct xwl_screen *xwl_screen;
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struct xwl_seat *xwl_seat;
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pixmap = dixGetPrivate(&cursor->devPrivates, &xwl_cursor_private_key);
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if (!pixmap)
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return TRUE;
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dixSetPrivate(&cursor->devPrivates, &xwl_cursor_private_key, NULL);
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/* When called from FreeCursor(), device is always NULL */
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xwl_screen = xwl_screen_get(screen);
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xorg_list_for_each_entry(xwl_seat, &xwl_screen->seat_list, link) {
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if (cursor == xwl_seat->x_cursor)
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xwl_seat->x_cursor = NULL;
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}
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return xwl_shm_destroy_pixmap(pixmap);
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}
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static void
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clear_cursor_frame_callback(struct xwl_cursor *xwl_cursor)
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{
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if (xwl_cursor->frame_cb) {
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wl_callback_destroy (xwl_cursor->frame_cb);
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xwl_cursor->frame_cb = NULL;
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}
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}
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static void
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frame_callback(void *data,
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struct wl_callback *callback,
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uint32_t time)
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{
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struct xwl_cursor *xwl_cursor = data;
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clear_cursor_frame_callback(xwl_cursor);
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if (xwl_cursor->needs_update) {
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xwl_cursor->needs_update = FALSE;
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xwl_cursor->update_proc(xwl_cursor);
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}
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}
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static const struct wl_callback_listener frame_listener = {
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frame_callback
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};
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void
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xwl_seat_set_cursor(struct xwl_seat *xwl_seat)
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{
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struct xwl_cursor *xwl_cursor = &xwl_seat->cursor;
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PixmapPtr pixmap;
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CursorPtr cursor;
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int stride;
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if (!xwl_seat->wl_pointer)
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return;
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if (!xwl_seat->x_cursor) {
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wl_pointer_set_cursor(xwl_seat->wl_pointer,
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xwl_seat->pointer_enter_serial, NULL, 0, 0);
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clear_cursor_frame_callback(xwl_cursor);
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xwl_cursor->needs_update = FALSE;
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return;
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}
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if (xwl_cursor->frame_cb) {
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xwl_cursor->needs_update = TRUE;
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return;
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}
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cursor = xwl_seat->x_cursor;
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pixmap = dixGetPrivate(&cursor->devPrivates, &xwl_cursor_private_key);
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if (!pixmap)
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return;
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stride = cursor->bits->width * 4;
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if (cursor->bits->argb)
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memcpy(pixmap->devPrivate.ptr,
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cursor->bits->argb, cursor->bits->height * stride);
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else
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expand_source_and_mask(cursor, pixmap->devPrivate.ptr);
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wl_pointer_set_cursor(xwl_seat->wl_pointer,
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xwl_seat->pointer_enter_serial,
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xwl_cursor->surface,
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xwl_seat->x_cursor->bits->xhot,
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xwl_seat->x_cursor->bits->yhot);
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wl_surface_attach(xwl_cursor->surface,
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xwl_shm_pixmap_get_wl_buffer(pixmap), 0, 0);
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wl_surface_damage(xwl_cursor->surface, 0, 0,
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xwl_seat->x_cursor->bits->width,
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xwl_seat->x_cursor->bits->height);
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xwl_cursor->frame_cb = wl_surface_frame(xwl_cursor->surface);
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wl_callback_add_listener(xwl_cursor->frame_cb, &frame_listener, xwl_cursor);
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wl_surface_commit(xwl_cursor->surface);
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}
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void
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xwl_tablet_tool_set_cursor(struct xwl_tablet_tool *xwl_tablet_tool)
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{
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struct xwl_seat *xwl_seat = xwl_tablet_tool->seat;
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struct xwl_cursor *xwl_cursor = &xwl_tablet_tool->cursor;
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PixmapPtr pixmap;
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CursorPtr cursor;
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int stride;
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if (!xwl_seat->x_cursor) {
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zwp_tablet_tool_v2_set_cursor(xwl_tablet_tool->tool,
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xwl_tablet_tool->proximity_in_serial,
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NULL, 0, 0);
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return;
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}
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if (xwl_cursor->frame_cb) {
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xwl_cursor->needs_update = TRUE;
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return;
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}
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cursor = xwl_seat->x_cursor;
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pixmap = dixGetPrivate(&cursor->devPrivates, &xwl_cursor_private_key);
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if (!pixmap)
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return;
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stride = cursor->bits->width * 4;
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if (cursor->bits->argb)
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memcpy(pixmap->devPrivate.ptr,
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cursor->bits->argb, cursor->bits->height * stride);
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else
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expand_source_and_mask(cursor, pixmap->devPrivate.ptr);
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zwp_tablet_tool_v2_set_cursor(xwl_tablet_tool->tool,
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xwl_tablet_tool->proximity_in_serial,
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xwl_cursor->surface,
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xwl_seat->x_cursor->bits->xhot,
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xwl_seat->x_cursor->bits->yhot);
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wl_surface_attach(xwl_cursor->surface,
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xwl_shm_pixmap_get_wl_buffer(pixmap), 0, 0);
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wl_surface_damage(xwl_cursor->surface, 0, 0,
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xwl_seat->x_cursor->bits->width,
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xwl_seat->x_cursor->bits->height);
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xwl_cursor->frame_cb = wl_surface_frame(xwl_cursor->surface);
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wl_callback_add_listener(xwl_cursor->frame_cb, &frame_listener, xwl_cursor);
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wl_surface_commit(xwl_cursor->surface);
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}
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static void
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xwl_set_cursor(DeviceIntPtr device,
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ScreenPtr screen, CursorPtr cursor, int x, int y)
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{
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struct xwl_seat *xwl_seat;
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struct xwl_tablet_tool *xwl_tablet_tool;
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Bool cursor_visibility_changed;
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xwl_seat = device->public.devicePrivate;
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if (xwl_seat == NULL)
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return;
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cursor_visibility_changed = !!xwl_seat->x_cursor ^ !!cursor;
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xwl_seat->x_cursor = cursor;
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if (cursor_visibility_changed)
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xwl_seat_cursor_visibility_changed(xwl_seat);
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xwl_seat_set_cursor(xwl_seat);
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xorg_list_for_each_entry(xwl_tablet_tool, &xwl_seat->tablet_tools, link) {
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if (xwl_tablet_tool->proximity_in_serial != 0)
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xwl_tablet_tool_set_cursor(xwl_tablet_tool);
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}
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}
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static void
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xwl_move_cursor(DeviceIntPtr device, ScreenPtr screen, int x, int y)
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{
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}
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static Bool
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xwl_device_cursor_initialize(DeviceIntPtr device, ScreenPtr screen)
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{
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return TRUE;
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}
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static void
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xwl_device_cursor_cleanup(DeviceIntPtr device, ScreenPtr screen)
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{
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}
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static miPointerSpriteFuncRec xwl_pointer_sprite_funcs = {
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xwl_realize_cursor,
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xwl_unrealize_cursor,
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xwl_set_cursor,
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xwl_move_cursor,
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xwl_device_cursor_initialize,
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xwl_device_cursor_cleanup
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};
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static Bool
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xwl_cursor_off_screen(ScreenPtr *ppScreen, int *x, int *y)
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{
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return FALSE;
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}
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static void
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xwl_cross_screen(ScreenPtr pScreen, Bool entering)
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{
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}
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static void
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xwl_pointer_warp_cursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
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{
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miPointerWarpCursor(pDev, pScreen, x, y);
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}
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static miPointerScreenFuncRec xwl_pointer_screen_funcs = {
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xwl_cursor_off_screen,
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xwl_cross_screen,
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xwl_pointer_warp_cursor
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};
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Bool
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xwl_screen_init_cursor(struct xwl_screen *xwl_screen)
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{
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if (!dixRegisterPrivateKey(&xwl_cursor_private_key, PRIVATE_CURSOR_BITS, 0))
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return FALSE;
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return miPointerInitialize(xwl_screen->screen,
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&xwl_pointer_sprite_funcs,
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&xwl_pointer_screen_funcs, TRUE);
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}
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