tip/ui/common/app.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2025 Olaf Wintermann. 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.
 *
 * 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 HOLDER 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 "app.h"

static ui_callback   startup_func;
static void          *startup_data;
static ui_callback   open_func;
void                 *open_data;
static ui_callback   exit_func;
void                 *exit_data;


void ui_onstartup(ui_callback f, void *userdata) {
    startup_func = f;
    startup_data = userdata;
}

void ui_onopen(ui_callback f, void *userdata) {
    open_func = f;
    open_data = userdata;
}

void ui_onexit(ui_callback f, void *userdata) {
    exit_func = f;
    exit_data = userdata;
}


void uic_application_startup(UiEvent *event) {
    if(startup_func) {
        startup_func(event, startup_data);
    }
}

void uic_application_open(UiEvent *event) {
    if(open_func) {
        open_func(event, open_data);
    }
}

void uic_application_exit(UiEvent *event) {
    if(exit_func) {
        exit_func(event, exit_data);
    }
}