source: mainline/uspace/app/vlaunch/vlaunch.c@ 5a43bd0

/*
 * 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 vlaunch
 * @{
 */
/** @file
 */

#include <stdbool.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <str.h>
#include <task.h>
#include <str_error.h>

#include <window.h>
#include <grid.h>
#include <button.h>
#include <label.h>
#include <canvas.h>

#include <draw/surface.h>
#include <draw/source.h>
#include <draw/drawctx.h>
#include <draw/codec.h>

#include "images.h"

#define NAME  "vlaunch"

#define LOGO_WIDTH   196
#define LOGO_HEIGHT  66

static char *display_svc = DISPLAY_DEFAULT;

static int app_launch(const char *app)
{
        errno_t rc;
        task_id_t id;
        task_wait_t wait;

        if (display_svc != DISPLAY_DEFAULT) {
                printf("%s: Spawning %s -d %s\n", NAME, app, display_svc);
                rc = task_spawnl(&id, &wait, app, app, "-d", display_svc, NULL);
        } else {
                printf("%s: Spawning %s\n", NAME, app);
                rc = task_spawnl(&id, &wait, app, app, NULL);
        }

        if (rc != EOK) {
                printf("%s: Error spawning %s %s (%s)\n", NAME, app,
                    display_svc != DISPLAY_DEFAULT ? display_svc :
                    "<default>", str_error(rc));
                return -1;
        }

        task_exit_t texit;
        int retval;
        rc = task_wait(&wait, &texit, &retval);
        if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
                printf("%s: Error retrieving retval from %s (%s)\n", NAME,
                    app, str_error(rc));
                return -1;
        }

        return retval;
}

static void on_btn_click(widget_t *widget, void *data)
{
        const char *app = (const char *) widget_get_data(widget);
        app_launch(app);
}

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

int main(int argc, char *argv[])
{
        int i;

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

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

        surface_t *logo = decode_tga((void *) helenos_tga, helenos_tga_size, 0);
        if (!logo) {
                printf("Unable to decode logo.\n");
                return 1;
        }

        window_t *main_window = window_open(display_svc, NULL,
            WINDOW_MAIN | WINDOW_DECORATED | WINDOW_RESIZEABLE, "vlaunch");
        if (!main_window) {
                printf("Cannot open main window.\n");
                return 1;
        }

        pixel_t grd_bg = PIXEL(255, 255, 255, 255);

        pixel_t btn_bg = PIXEL(255, 255, 255, 255);
        pixel_t btn_fg = PIXEL(255, 186, 186, 186);
        pixel_t btn_text = PIXEL(255, 0, 0, 0);

        pixel_t lbl_bg = PIXEL(255, 255, 255, 255);
        pixel_t lbl_text = PIXEL(255, 0, 0, 0);

        canvas_t *logo_canvas = create_canvas(NULL, NULL, LOGO_WIDTH, LOGO_HEIGHT,
            logo);
        label_t *lbl_caption = create_label(NULL, NULL, "Launch application:",
            16, lbl_bg, lbl_text);
        button_t *btn_vterm = create_button(NULL, "/app/vterm", "vterm",
            16, btn_bg, btn_fg, btn_text);
        button_t *btn_vcalc = create_button(NULL, "/app/vcalc", "vcalc",
            16, btn_bg, btn_fg, btn_text);
        button_t *btn_vdemo = create_button(NULL, "/app/vdemo", "vdemo",
            16, btn_bg, btn_fg, btn_text);
        button_t *btn_vlaunch = create_button(NULL, "/app/vlaunch", "vlaunch",
            16, btn_bg, btn_fg, btn_text);
        grid_t *grid = create_grid(window_root(main_window), NULL, 1, 6, grd_bg);

        if ((!logo_canvas) || (!lbl_caption) || (!btn_vterm) ||
            (!btn_vcalc) || (!btn_vdemo) || (!btn_vlaunch) || (!grid)) {
                window_close(main_window);
                printf("Cannot create widgets.\n");
                return 1;
        }

        sig_connect(&btn_vterm->clicked, &btn_vterm->widget, on_btn_click);
        sig_connect(&btn_vcalc->clicked, &btn_vcalc->widget, on_btn_click);
        sig_connect(&btn_vdemo->clicked, &btn_vdemo->widget, on_btn_click);
        sig_connect(&btn_vlaunch->clicked, &btn_vlaunch->widget, on_btn_click);

        grid->add(grid, &logo_canvas->widget, 0, 0, 1, 1);
        grid->add(grid, &lbl_caption->widget, 0, 1, 1, 1);
        grid->add(grid, &btn_vterm->widget, 0, 2, 1, 1);
        grid->add(grid, &btn_vcalc->widget, 0, 3, 1, 1);
        grid->add(grid, &btn_vdemo->widget, 0, 4, 1, 1);
        grid->add(grid, &btn_vlaunch->widget, 0, 5, 1, 1);

        window_resize(main_window, 0, 0, 210, 164 + LOGO_HEIGHT,
            WINDOW_PLACEMENT_RIGHT | WINDOW_PLACEMENT_TOP);
        window_exec(main_window);

        task_retval(0);
        async_manager();

        return 0;
}

/** @}
 */