tip/ui/win32/win32.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 <stdlib.h>

#include "win32.h"

W32Widget* w32_widget_new(W32WidgetClass *wclass, HWND hwnd) {
    return w32_widget_create(wclass, hwnd, sizeof(W32Widget));
}

void* w32_widget_create(W32WidgetClass *wclass, HWND hwnd, size_t obj_size) {
    W32Widget *w = calloc(obj_size, 1);
    w->wclass = wclass;
    w->hwnd = hwnd;
    SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)w);
    return w;
}

W32Size w32_widget_get_preferred_size(W32Widget *w) {
    if (w->wclass->get_preferred_size) {
        return w->wclass->get_preferred_size(w);
    }
    return (W32Size){0,0};
}

void w32_widget_default_destroy(W32Widget *w) {
    free(w);
}

void w32_widget_default_show(W32Widget *w, BOOLEAN show) {
    ShowWindow(w->hwnd, show ? SW_SHOW : SW_HIDE);
}

void w32_widget_default_enable(W32Widget *w, BOOLEAN enable) {
    // TODO
}

W32Size w32_widget_default_get_preferred_size(W32Widget *widget) {
    return (W32Size){0,0};
}