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/*
 * 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.
 */

#ifndef CONTAINER_H
#define	CONTAINER_H

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

#include <string.h>
#include <QBoxLayout>
#include <QGridLayout>
#include <QTabWidget>
#include <QStackedWidget>
#include <QSplitter>

#define ui_lb2bool(b) ((b) == UI_LAYOUT_TRUE ? TRUE : FALSE)
#define ui_bool2lb(b) ((b) ? UI_LAYOUT_TRUE : UI_LAYOUT_FALSE)
#define ui_reset_layout(layout) memset(&(layout), 0, sizeof(UiLayout))

typedef struct UiLayout UiLayout;

enum UiLayoutBool {
    UI_LAYOUT_UNDEFINED = 0,
    UI_LAYOUT_TRUE,
    UI_LAYOUT_FALSE,
};
typedef enum UiLayoutBool UiLayoutBool;

struct UiLayout {
    UiLayoutBool fill;
    bool newline;
    char *label;
    bool hexpand;
    bool vexpand;
    int  gridwidth;
};

struct UiContainer {
    UiLayout layout; 
    UIWIDGET current;
    QMenu    *menu;

    virtual void add(QWidget *widget, bool fill) = 0;
};

class UiBoxContainer : public UiContainer {
public:
    QBoxLayout  *box;
    bool        hasStretchedWidget = false;
    QSpacerItem *space;
    
    UiBoxContainer(QBoxLayout *box);
    
    virtual void add(QWidget *widget, bool fill);
};

class UiGridContainer : public UiContainer {
public:
    QGridLayout *grid;
    int x = 0;
    int y = 0;
    
    UiGridContainer(QGridLayout *grid, int margin, int columnspacing, int rowspacing);
    
    virtual void add(QWidget *widget, bool fill);
};

class UiTabViewContainer : public UiContainer {
public:
    QTabWidget *tabwidget;
    
    UiTabViewContainer(QTabWidget *tabwidget);
    virtual void add(QWidget *widget, bool fill);
};

class UiStackContainer : public UiContainer {
public:
    QStackedWidget *stack;
    
    UiStackContainer(QStackedWidget *stack);
    virtual void add(QWidget *widget, bool fill);
};

class UiSidebarContainer : public UiContainer {
public:
    QSplitter *splitter;
    
    UiSidebarContainer(QSplitter *splitter);
    virtual void add(QWidget *widget, bool fill);
};

#endif	/* CONTAINER_H */