HelenOS sources

root/uspace/app/aboutos/aboutos.c

DEFINITIONS

1. aboutos_wnd_close
2. aboutos_wnd_kbd
3. pb_clicked
4. print_syntax
5. main

/*
 * Copyright (c) 2024 Jiri Svoboda
 * Copyright (c) 2012 Petr Koupy
 * 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 aboutos
 * @{
 */
/** @file About HelenOS
 */

#include <errno.h>
#include <gfx/coord.h>
#include <gfximage/tga.h>
#include <macros.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <str.h>
#include <str_error.h>
#include <ui/fixed.h>
#include <ui/image.h>
#include <ui/label.h>
#include <ui/pbutton.h>
#include <ui/resource.h>
#include <ui/ui.h>
#include <ui/window.h>

#include "aboutos.h"
#include "images.h"

#define NAME  "aboutos"

static void aboutos_wnd_close(ui_window_t *, void *);
static void aboutos_wnd_kbd(ui_window_t *, void *, kbd_event_t *);

static ui_window_cb_t window_cb = {
        .close = aboutos_wnd_close,
        .kbd = aboutos_wnd_kbd
};

static void pb_clicked(ui_pbutton_t *, void *);

static ui_pbutton_cb_t pbutton_cb = {
        .clicked = pb_clicked
};

/** Window close button was clicked.
 *
 * @param window Window
 * @param arg Argument (aboutos)
 */
static void aboutos_wnd_close(ui_window_t *window, void *arg)
{
        aboutos_t *aboutos = (aboutos_t *) arg;

        ui_quit(aboutos->ui);
}

/** About HelenOS window keyboard event handler.
 *
 * @param window Window
 * @param arg Argument (ui_prompt_dialog_t *)
 * @param event Keyboard event
 */
static void aboutos_wnd_kbd(ui_window_t *window, void *arg,
    kbd_event_t *event)
{
        aboutos_t *aboutos = (aboutos_t *) arg;

        (void)window;

        if (event->type == KEY_PRESS &&
            (event->mods & (KM_CTRL | KM_SHIFT | KM_ALT)) == 0) {
                if (event->key == KC_ENTER) {
                        /* Quit */
                        ui_quit(aboutos->ui);

                }
        }

        ui_window_def_kbd(window, event);
}

/** Push button was clicked.
 *
 * @param pbutton Push button
 * @param arg Argument (aboutos)
 */
static void pb_clicked(ui_pbutton_t *pbutton, void *arg)
{
        aboutos_t *aboutos = (aboutos_t *) arg;

        ui_quit(aboutos->ui);
}

static void print_syntax(void)
{
        printf("Syntax: %s [-d <display-spec>]\n", NAME);
}

int main(int argc, char *argv[])
{
        int i;
        aboutos_t aboutos;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_resource_t *ui_res;
        gfx_bitmap_params_t logo_params;
        gfx_bitmap_t *logo_bmp;
        gfx_context_t *gc;
        gfx_rect_t logo_rect;
        gfx_rect_t rect;
        gfx_coord2_t off;
        const char *dspec = UI_ANY_DEFAULT;
        errno_t rc;

        i = 1;
        while (i < argc) {
                if (str_cmp(argv[i], "-d") == 0) {
                        ++i;
                        if (i >= argc) {
                                printf("Argument missing.\n");
                                print_syntax();
                                return 1;
                        }

                        dspec = argv[i++];
                } else {
                        printf("Invalid option '%s'.\n", argv[i]);
                        print_syntax();
                        return 1;
                }
        }

        rc = ui_create(dspec, &ui);
        if (rc != EOK) {
                printf("Error creating UI on display %s.\n", dspec);
                return rc;
        }

        ui_wnd_params_init(&params);
        params.caption = "About HelenOS";

        /* FIXME: Auto layout */
        if (ui_is_textmode(ui)) {
                params.rect.p0.x = 0;
                params.rect.p0.y = 0;
                params.rect.p1.x = 45;
                params.rect.p1.y = 15;
        } else {
                params.rect.p0.x = 0;
                params.rect.p0.y = 0;
                params.rect.p1.x = 350;
                params.rect.p1.y = 275;
        }

        memset((void *) &aboutos, 0, sizeof(aboutos));
        aboutos.ui = ui;

        rc = ui_window_create(ui, &params, &window);
        if (rc != EOK) {
                printf("Error creating window.\n");
                return rc;
        }

        ui_window_set_cb(window, &window_cb, (void *) &aboutos);
        aboutos.window = window;

        ui_res = ui_window_get_res(window);
        gc = ui_window_get_gc(window);

        rc = decode_tga(gc, (void *) helenos_tga, helenos_tga_size,
            &logo_bmp, &logo_rect);
        if (rc != EOK) {
                printf("Unable to decode logo.\n");
                return 1;
        }

        gfx_bitmap_params_init(&logo_params);
        logo_params.rect = logo_rect;

        rc = ui_fixed_create(&aboutos.fixed);
        if (rc != EOK) {
                printf("Error creating fixed layout.\n");
                return rc;
        }

        rc = ui_image_create(ui_res, logo_bmp, &logo_rect, &aboutos.image);
        if (rc != EOK) {
                printf("Error creating label.\n");
                return rc;
        }

        off.x = 76;
        off.y = 42;
        gfx_rect_translate(&off, &logo_rect, &rect);

        /* Adjust for frame width (2 x 1 pixel) */
        rect.p1.x += 2;
        rect.p1.y += 2;
        ui_image_set_rect(aboutos.image, &rect);
        ui_image_set_flags(aboutos.image, ui_imgf_frame);

        rc = ui_fixed_add(aboutos.fixed, ui_image_ctl(aboutos.image));
        if (rc != EOK) {
                printf("Error adding control to layout.\n");
                return rc;
        }

        /* Release label */

        rc = ui_label_create(ui_res, "HelenOS " STRING(HELENOS_RELEASE)
            " (" STRING(HELENOS_CODENAME) ")", &aboutos.lrelease);
        if (rc != EOK) {
                printf("Error creating label.\n");
                return rc;
        }

        if (ui_is_textmode(ui)) {
                rect.p0.x = 1;
                rect.p0.y = 5;
                rect.p1.x = 44;
                rect.p1.y = 6;
        } else {
                rect.p0.x = 10;
                rect.p0.y = 140;
                rect.p1.x = 340;
                rect.p1.y = 160;
        }

        ui_label_set_rect(aboutos.lrelease, &rect);
        ui_label_set_halign(aboutos.lrelease, gfx_halign_center);

        rc = ui_fixed_add(aboutos.fixed, ui_label_ctl(aboutos.lrelease));
        if (rc != EOK) {
                printf("Error adding control to layout.\n");
                return rc;
        }

        /* Copyright label */

        rc = ui_label_create(ui_res, STRING(HELENOS_COPYRIGHT), &aboutos.lcopy);
        if (rc != EOK) {
                printf("Error creating label.\n");
                return rc;
        }

        if (ui_is_textmode(ui)) {
                rect.p0.x = 1;
                rect.p0.y = 6;
                rect.p1.x = 44;
                rect.p1.y = 7;
        } else {
                rect.p0.x = 10;
                rect.p0.y = 160;
                rect.p1.x = 340;
                rect.p1.y = 180;
        }

        ui_label_set_rect(aboutos.lcopy, &rect);
        ui_label_set_halign(aboutos.lcopy, gfx_halign_center);

        rc = ui_fixed_add(aboutos.fixed, ui_label_ctl(aboutos.lcopy));
        if (rc != EOK) {
                printf("Error adding control to layout.\n");
                return rc;
        }

        /* Architecture label */

        rc = ui_label_create(ui_res, "Running on " STRING(UARCH), &aboutos.larch);
        if (rc != EOK) {
                printf("Error creating label.\n");
                return rc;
        }

        if (ui_is_textmode(ui)) {
                rect.p0.x = 1;
                rect.p0.y = 9;
                rect.p1.x = 44;
                rect.p1.y = 10;
        } else {
                rect.p0.x = 10;
                rect.p0.y = 190;
                rect.p1.x = 340;
                rect.p1.y = 210;
        }

        ui_label_set_rect(aboutos.larch, &rect);
        ui_label_set_halign(aboutos.larch, gfx_halign_center);

        rc = ui_fixed_add(aboutos.fixed, ui_label_ctl(aboutos.larch));
        if (rc != EOK) {
                printf("Error adding control to layout.\n");
                return rc;
        }

        /* OK button */

        rc = ui_pbutton_create(ui_res, "OK", &aboutos.pbok);
        if (rc != EOK) {
                printf("Error creating button.\n");
                return rc;
        }

        ui_pbutton_set_cb(aboutos.pbok, &pbutton_cb, (void *) &aboutos);

        if (ui_is_textmode(ui)) {
                rect.p0.x = 17;
                rect.p0.y = 13;
                rect.p1.x = 28;
                rect.p1.y = 14;
        } else {
                rect.p0.x = 125;
                rect.p0.y = 235;
                rect.p1.x = 225;
                rect.p1.y = rect.p0.y + 28;
        }

        ui_pbutton_set_rect(aboutos.pbok, &rect);
        ui_pbutton_set_default(aboutos.pbok, true);

        rc = ui_fixed_add(aboutos.fixed, ui_pbutton_ctl(aboutos.pbok));
        if (rc != EOK) {
                printf("Error adding control to layout.\n");
                return rc;
        }

        ui_window_add(window, ui_fixed_ctl(aboutos.fixed));

        rc = ui_window_paint(window);
        if (rc != EOK) {
                printf("Error painting window.\n");
                return rc;
        }

        ui_run(ui);

        ui_window_destroy(window);
        ui_destroy(ui);

        return 0;
}

/** @}
 */