/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2012 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.
 */

#import <stdio.h>
#import <stdlib.h>
#import <sys/stat.h>
#import <sys/types.h>
#import <errno.h>

#import "../common/document.h"

#import "toolkit.h"
#import "window.h"
#import "menu.h"
#import "toolbar.h"
#import "stock.h"

NSAutoreleasePool *pool;

static char *application_name;

static ui_callback appclose_fnc;
static void *appclose_udata;

void ui_init(char *appname, int argc, char **argv) {
    pool = [[NSAutoreleasePool alloc] init];
    [NSApplication sharedApplication];
    [NSBundle loadNibNamed:@"MainMenu" owner:NSApp];
    
    
    uic_docmgr_init();
    ui_menu_init();
    ui_toolbar_init();
    ui_stock_init();
}

void ui_show(UiObject *obj) {
    if([obj->widget class] == [UiCocoaWindow class]) {
        UiCocoaWindow *window = (UiCocoaWindow*)obj->widget;
        [window makeKeyAndOrderFront:nil];
    } else {
        printf("Error: ui_show: Object is not a Window!\n");
    }
}

void ui_set_enabled(UIWIDGET widget, int enabled) {
    [widget setEnabled:enabled];
}

void ui_main() {
    [NSApp run];
    [pool release];
}



@implementation EventWrapper

- (EventWrapper*) initWithData: (void*)d callback:(ui_callback) f {
    data = d;
    callback = f;
    value = 0;
    return self;
}


- (void*) data {
    return data;
}

- (void) setData:(void*)d {
    data = d;
}


- (ui_callback) callback {
    return callback;
}

- (void) setCallback: (ui_callback)f {
    callback = f;
}

- (int) intval {
    return value;
}

- (void) setIntval:(int)i {
    value = i;
}


- (BOOL)handleEvent:(id)sender {
    NSWindow *activeWindow = [NSApp keyWindow];
    
    UiEvent event;
    if([activeWindow class] == [UiCocoaWindow class]) {
        event.obj = [(UiCocoaWindow*)activeWindow object];
        event.window = event.obj->window;
        event.document = event.obj->document;
        event.intval = value;
    }
    if(callback) {
        callback(&event, data);
    }
    
    return true;
}

- (BOOL)handleStateEvent:(id)sender {
    NSWindow *activeWindow = [NSApp keyWindow];
    NSMenuItem *item = (NSMenuItem*)sender;
    int state = [item state] ? NSOffState : NSOnState;
    
    UiEvent event;
    event.intval = state;
    if([activeWindow class] == [UiCocoaWindow class]) {
        event.obj = [(UiCocoaWindow*)activeWindow object];
        event.window = event.obj->window;
        event.document = event.obj->document;
        // update state in window data
        UiMenuItem *wmi = [(UiCocoaWindow*)activeWindow getMenuItem: sender];
        wmi->state = state;
    } else {
        event.window = NULL;
        event.document = NULL;
    }
    if(callback) {
        callback(&event, data);
    }
    [item setState: state];
    
    return true;
}

@end


