ui/qt/toolkit.cpp

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2014 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 <stdio.h>
#include <string.h>

#include "toolkit.h"
#include "window.h"
#include "stock.h"

#include "../common/document.h"
#include "../common/properties.h"
#include "../common/menu.h"
#include "../common/toolbar.h"

static const char *application_name;

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

static int is_toplevel_realized = 0;

static int app_argc;
static char **app_argv;
static QApplication *application = NULL;

static UiBool exit_on_shutdown;

void ui_init(const char *appname, int argc, char **argv) {
    application_name = appname;
    
    app_argc = argc;
    app_argv = argv;
    application = new QApplication(app_argc, app_argv);
    
    uic_menu_init();
    uic_toolbar_init();
    
    uic_load_app_properties();
     
}

const char* ui_appname() {
    return application_name;
}

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 ui_app_exit_on_shutdown(UiBool exitapp) {
    exit_on_shutdown = exitapp;
}

void ui_main() {
    if(startup_func) {
        startup_func(NULL, startup_data);
    }
    application->exec();
    if(exit_func) {
        exit_func(NULL, exit_data);
    }
    uic_store_app_properties();
    
    delete application;
    
    if(exit_on_shutdown) {
        exit(0);
    }
}

void ui_show(UiObject *obj) {
    obj->widget->show();
}

void ui_close(UiObject *obj) {
    QMainWindow *window = (QMainWindow*)obj->widget;
    window->close();
}

void ui_set_enabled(UIWIDGET widget, int enabled) {
    
}

void ui_set_visible(UIWIDGET widget, int visible) {
    
}


/* --------------------- Implemtation UiEventWrapper --------------------- */

UiEventWrapper::UiEventWrapper(UiObject *obj, ui_callback f, void* userdata) {
    this->obj = obj;
    this->callback = f;
    this->userdata = userdata;
}

void UiEventWrapper::slot() {
    if(!callback) {
        return;
    }
    
    UiEvent e;
    e.obj = obj;
    e.window = obj->window;
    e.document = obj->ctx->document;
    e.eventdata = NULL;
    e.eventdatatype = 0;
    e.intval = 0;
    e.set = ui_get_setop();
    if(prepare_event) {
        prepare_event(&e, this);
    }
    callback(&e, userdata);
    
    // TODO: notify var observers
}

void UiEventWrapper::destroy() {
    delete this;
}


/* --------------------- Implemtation UiAction --------------------- */

UiAction::UiAction(UiObject *obj, QString &label, ui_callback f, void *userdata) : QAction(label, NULL) {
    this->obj = obj;
    this->callback = f;
    this->userdata = userdata;
}

UiAction::~UiAction() {
    // TODO: unbind var
}

void UiAction::trigger() {
    if(!callback) {
        return;
    }
    
    UiEvent e;
    e.obj = obj;
    e.window = obj->window;
    e.document = obj->ctx->document;
    e.eventdata = NULL;
    e.eventdatatype = 0;
    e.intval = 0;
    e.set = ui_get_setop();
    if(prepare_event) {
        prepare_event(&e, this);
    }
    callback(&e, userdata);
    
    // TODO: notify var observers
}

// ui_enablefunc for UiAction
void ui_action_enable(UiAction *action, int enable) {
    action->setEnabled((bool)enable);
}