source: mainline/uspace/app/taskbar/wndlist.c@ 7a05d924

/*
 * Copyright (c) 2022 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup taskbar
 * @{
 */
/** @file Task bar window list
 */

#include <gfx/coord.h>
#include <stdio.h>
#include <stdlib.h>
#include <str.h>
#include <ui/fixed.h>
#include <ui/label.h>
#include <ui/resource.h>
#include <ui/ui.h>
#include <ui/window.h>
#include "clock.h"
#include "wndlist.h"

/** Create task bar window list.
 *
 * @param res UI resource
 * @param fixed Fixed layout to which buttons will be added
 * @param wndmgt Window management service
 * @param rwndlist Place to store pointer to new window list
 * @return @c EOK on success or an error code
 */
errno_t wndlist_create(ui_resource_t *res, ui_fixed_t *fixed,
    wndlist_t **rwndlist)
{
        wndlist_t *wndlist = NULL;
        errno_t rc;

        wndlist = calloc(1, sizeof(wndlist_t));
        if (wndlist == NULL) {
                rc = ENOMEM;
                goto error;
        }

        wndlist->res = res;
        wndlist->fixed = fixed;
        list_initialize(&wndlist->entries);
        *rwndlist = wndlist;
        return EOK;
error:
        return rc;
}

/** Attach window management service to window list.
 *
 * @param wndlist Window list
 * @param rwndlist Place to store pointer to new window list
 * @return @c EOK on success or an error code
 */
errno_t wndlist_attach_wm(wndlist_t *wndlist, wndmgt_t *wndmgt)
{
        errno_t rc;
        wndmgt_window_list_t *wlist = NULL;
        wndmgt_window_info_t *winfo = NULL;
        sysarg_t i;

        rc = wndmgt_get_window_list(wndmgt, &wlist);
        if (rc != EOK)
                goto error;

        for (i = 0; i < wlist->nwindows; i++) {
                rc = wndmgt_get_window_info(wndmgt, wlist->windows[i],
                    &winfo);
                if (rc != EOK)
                        goto error;

                rc = wndlist_append(wndlist, winfo->caption);
                if (rc != EOK) {
                        wndmgt_free_window_info(winfo);
                        goto error;
                }

                wndmgt_free_window_info(winfo);
        }

        wndlist->wndmgt = wndmgt;
        return EOK;
error:
        if (wlist != NULL)
                wndmgt_free_window_list(wlist);
        return rc;
}

/** Destroy task bar window list. */
void wndlist_destroy(wndlist_t *wndlist)
{
        free(wndlist);
}

/** Append new entry to window list.
 *
 * @param wndlist Window list
 * @param caption Entry caption
 * @return @c EOK on success or an error code
 */
errno_t wndlist_append(wndlist_t *wndlist, const char *caption)
{
        wndlist_entry_t *entry = NULL;
        gfx_rect_t rect;
        size_t nentries;
        errno_t rc;

        /* Number of existing entries */
        nentries = list_count(&wndlist->entries);

        entry = calloc(1, sizeof(wndlist_entry_t));
        if (entry == NULL) {
                rc = ENOMEM;
                goto error;
        }

        rc = ui_pbutton_create(wndlist->res, caption, &entry->button);
        if (rc != EOK)
                goto error;

        if (ui_resource_is_textmode(wndlist->res)) {
                rect.p0.x = 17 * nentries + 9;
                rect.p0.y = 0;
                rect.p1.x = 17 * nentries + 25;
                rect.p1.y = 1;
        } else {
                rect.p0.x = 145 * nentries + 90;
                rect.p0.y = 3;
                rect.p1.x = 145 * nentries + 230;
                rect.p1.y = 29;
        }

        ui_pbutton_set_rect(entry->button, &rect);

        rc = ui_fixed_add(wndlist->fixed, ui_pbutton_ctl(entry->button));
        if (rc != EOK)
                goto error;

        entry->wndlist = wndlist;
        list_append(&entry->lentries, &wndlist->entries);

        return EOK;
error:
        if (entry != NULL && entry->button != NULL)
                ui_pbutton_destroy(entry->button);
        if (entry != NULL)
                free(entry);
        return rc;

}

/** @}
 */