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/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/errno.h>
#include <stdlib.h>
#include <string.h>
#include <liboda/oda.h>
#include <liboda/odavar.h>
#include <liboda/types.h>
#include <libgfx/gfx.h>
/*
* Request a window from the OSMORA Display
* Architecture (ODA).
*
* @params: Arguments
* @res: Resulting pointer for new window
*
* Returns 0 on success, otherwise a less than
* zero value.
*/
int
oda_reqwin(struct oda_wattr *params, struct oda_window **res)
{
struct oda_window *wp;
struct gfx_shape *surf;
struct oda_state *session;
int error;
if (params == NULL || res == NULL) {
return -EINVAL;
}
/* Try to grab the current session */
if ((session = params->session) == NULL) {
return -EIO;
}
/* Verify that cookie! */
if ((error = oda_cookie_verify(session)) != 0) {
return error;
}
/* Allocate a new window */
wp = malloc(sizeof(*wp));
if (wp == NULL) {
return -ENOMEM;
}
/* Initialize the window */
memset(wp, 0, sizeof(*wp));
wp->session = session;
TAILQ_INSERT_TAIL(&session->winq, wp, link);
/* Fix up width/height params */
if (params->w == 0)
params->w = DEFAULT_WIN_WIDTH;
if (params->h == 0)
params->h = DEFAULT_WIN_HEIGHT;
/* Initialize the window surface */
surf = &wp->surface;
surf->color = params->bg;
surf->x = params->x;
surf->y = params->y;
surf->width = params->w;
surf->height = params->h;
surf->type = SHAPE_SQUARE;
*res = wp;
return 0;
}
/*
* Register a window into the current ODA state.
* Everytime a compositor requests a window, we
* must keep track of it.
*
* @state: ODA state pointer
* @win: Pointer of window to register
*/
int
oda_start_win(struct oda_state *state, struct oda_window *win)
{
int error;
if (state == NULL || win == NULL) {
return -EINVAL;
}
/* Make sure the state is valid */
if ((error = oda_cookie_verify(state)) != 0) {
return error;
}
gfx_draw_shape(&state->gctx, &win->surface);
return 0;
}
/*
* Terminate a running window
*
* @state: ODA state pointer
* @win: Win pointer
*
* Returns 0 on success, otherwise a less than
* zero value.
*
* TODO: Cleanup screen
*/
int
oda_termwin(struct oda_state *state, struct oda_window *win)
{
int error;
if (state == NULL || win == NULL) {
return -EINVAL;
}
/* Validate the cookie */
if ((error = oda_cookie_verify(state)) != 0) {
return error;
}
TAILQ_REMOVE(&state->winq, win, link);
free(win);
return 0;
}
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