ui/qt/container.h

/*
 * 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 "../ui/container.h"
#include "window.h"

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

#define UI_APPLY_LAYOUT(layout, args) \
    layout.fill = args->fill; \
    layout.hexpand = args->hexpand; \
    layout.vexpand = args->vexpand; \
    layout.hfill = args->hfill; \
    layout.vfill = args->vfill; \
    layout.override_defaults = args->override_defaults; \
    layout.colspan = args->colspan; \
    layout.rowspan = args->rowspan

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

#define ui_obj_container(obj) (UiContainerPrivate*)((UiContainerX*)obj->container_end)->container

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

typedef struct UiLayout UiLayout;
struct UiLayout {
    UiBool       fill;
    UiBool       newline;
    char         *label;
    UiBool       hexpand;
    UiBool       vexpand;
    UiBool       hfill;
    UiBool       vfill;
    UiBool       override_defaults;
    int          width;
    int          colspan;
    int          rowspan;
};

struct UiContainerPrivate {
    UiLayout layout; 
    UIWIDGET current;

    virtual void add(QWidget *widget) = 0;
    virtual void end() {}
};

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

class UiGridContainer : public UiContainerPrivate {
public:
    QGridLayout *grid;
    int x = 0;
    int y = 0;
    bool def_hexpand;
    bool def_vexpand;
    bool def_hfill;
    bool def_vfill;
    bool col_expanding = false;
    bool row_expanding = false;
    int max_x;
    int max_y;
    
    UiGridContainer(
            QGridLayout *grid,
            int margin,
            int columnspacing,
            int rowspacing,
            bool def_hexpand,
            bool def_vexpand,
            bool def_hfill,
            bool def_vfill);
    
    virtual void add(QWidget *widget);
    virtual void end();
};

void ui_container_add(UiObject *obj, UiContainerPrivate *ct);


#endif	/* CONTAINER_H */