path: root/addressbook/gui/widgets/e-minicard-widget.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-table-field-chooser.c
 * Copyright (C) 2000  Ximian, Inc.
 * Author: Chris Lahey <clahey@ximian.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <config.h>
#include <libgnome/gnome-i18n.h>
#include <libgnomecanvas/gnome-canvas-rect-ellipse.h>
#include "e-minicard-widget.h"
#include "e-minicard.h"

static void e_minicard_widget_init      (EMinicardWidget         *card);
static void e_minicard_widget_class_init    (EMinicardWidgetClass    *klass);
static void e_minicard_widget_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void e_minicard_widget_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void e_minicard_widget_dispose (GObject *object);
static void e_minicard_widget_size_request   (GtkWidget     *widget, GtkRequisition    *requisition);
static void e_minicard_widget_size_allocate  (GtkWidget     *widget, GtkAllocation     *allocation);
static void e_minicard_widget_reflow             (ECanvas           *canvas);

static ECanvasClass *parent_class = NULL;

/* The arguments we take */
enum {
    PROP_0,
    PROP_CARD,
};

GType
e_minicard_widget_get_type (void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info =  {
            sizeof (EMinicardWidgetClass),
            NULL,           /* base_init */
            NULL,           /* base_finalize */
            (GClassInitFunc) e_minicard_widget_class_init,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (EMinicardWidget),
            0,             /* n_preallocs */
            (GInstanceInitFunc) e_minicard_widget_init,
        };

        type = g_type_register_static (e_canvas_get_type (), "EMinicardWidget", &info, 0);
    }

    return type;
}

static void
e_minicard_widget_class_init (EMinicardWidgetClass *klass)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;
    ECanvasClass   *ecanvas_class;

    object_class = G_OBJECT_CLASS(klass);
    widget_class = GTK_WIDGET_CLASS(klass);
    ecanvas_class = E_CANVAS_CLASS(klass);

    parent_class = g_type_class_peek_parent (klass);
    
    object_class->set_property = e_minicard_widget_set_property;
    object_class->get_property = e_minicard_widget_get_property;
    object_class->dispose = e_minicard_widget_dispose;

    widget_class->size_request  = e_minicard_widget_size_request;
    widget_class->size_allocate = e_minicard_widget_size_allocate;

    ecanvas_class->reflow = e_minicard_widget_reflow;

    g_object_class_install_property (object_class, PROP_CARD, 
                     g_param_spec_object ("card",
                                  _("Card"),
                                  /*_( */"XXX blurb" /*)*/,
                                  E_TYPE_CARD,
                                  G_PARAM_READWRITE));
}

static void
e_minicard_widget_size_request(GtkWidget *widget, GtkRequisition *requisition)
{
    double height;
    EMinicardWidget *emw = E_MINICARD_WIDGET(widget);
    g_object_get(emw->item,
             "height", &height,
             NULL);
    if (height <= 0)
        height = 1;
    widget->requisition.height = height;
    widget->requisition.width  = 200;
    requisition->height = height;
    requisition->width  = 200;
}

static void
e_minicard_widget_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
    double height;
    EMinicardWidget *emw = E_MINICARD_WIDGET(widget);
    gnome_canvas_item_set( emw->item,
                   "width", (double) allocation->width,
                   NULL );
    g_object_get(emw->item,
             "height", &height,
             NULL);
    height = MAX(height, allocation->height);
    gnome_canvas_set_scroll_region(GNOME_CANVAS( emw ), 0, 0, allocation->width - 1, height - 1);
    gnome_canvas_item_set( emw->rect,
                   "x2", (double) allocation->width,
                   "y2", (double) height,
                   NULL );
    if (GTK_WIDGET_CLASS(parent_class)->size_allocate)
        GTK_WIDGET_CLASS(parent_class)->size_allocate(widget, allocation);
}

static void e_minicard_widget_reflow(ECanvas *canvas)
{
    double height;
    EMinicardWidget *emw = E_MINICARD_WIDGET(canvas);
    g_object_get(emw->item,
             "height", &height,
             NULL);

    height = MAX(height, GTK_WIDGET(emw)->allocation.height);

    gnome_canvas_set_scroll_region (GNOME_CANVAS(emw), 0, 0, GTK_WIDGET(emw)->allocation.width - 1, height - 1);
    gnome_canvas_item_set( emw->rect,
                   "x2", (double) GTK_WIDGET(emw)->allocation.width,
                   "y2", (double) height,
                   NULL );  
    
    gtk_widget_queue_resize(GTK_WIDGET(canvas));
}

static void
e_minicard_widget_init (EMinicardWidget *emw)
{
    emw->rect = gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(emw)),
                       gnome_canvas_rect_get_type(),
                       "x1", (double) 0,
                       "y1", (double) 0,
                       "x2", (double) 100,
                       "y2", (double) 100,
                       "fill_color", "white",
                       NULL );

    emw->item = gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(emw)),
                      e_minicard_get_type(),
                      "width", (double) 100,
                      NULL );

#if PENDING_PORT_WORK
    /* XXX this crashes since the canvas has no h/v adjustments. */
    gnome_canvas_set_scroll_region ( GNOME_CANVAS( emw ),
                     0, 0,
                     100, 100 );
#endif
    emw->card = NULL;
}

static void
e_minicard_widget_dispose (GObject *object)
{
    EMinicardWidget *emw = E_MINICARD_WIDGET(object);

    if (emw->card) {
        g_object_unref (emw->card);
        emw->card = NULL;
    }
    
    if (G_OBJECT_CLASS(parent_class)->dispose)
        G_OBJECT_CLASS(parent_class)->dispose(object);
}

GtkWidget*
e_minicard_widget_new (void)
{
    GtkWidget *widget = GTK_WIDGET (g_object_new (E_TYPE_MINICARD_WIDGET, NULL));
    return widget;
}

static void
e_minicard_widget_set_property (GObject *object,
                guint prop_id,
                const GValue *value,
                GParamSpec *pspec)
{
    EMinicardWidget *emw = E_MINICARD_WIDGET(object);
    gpointer ptr;

    switch (prop_id){
    case PROP_CARD:
        ptr = g_value_get_object (value);
        e_minicard_widget_set_card (emw, ptr ? E_CARD (ptr) : NULL);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
e_minicard_widget_get_property (GObject *object,
                guint prop_id,
                GValue *value,
                GParamSpec *pspec)
{
    EMinicardWidget *emw = E_MINICARD_WIDGET(object);

    switch (prop_id) {
    case PROP_CARD:
        if (emw->card)
            g_value_set_object (value, emw->card);
        else
            g_value_set_object (value, NULL);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

void
e_minicard_widget_set_card (EMinicardWidget *emw, ECard *card)
{
    g_return_if_fail (emw && E_IS_MINICARD_WIDGET (emw));
    g_return_if_fail (card == NULL || E_IS_CARD (card));

    if (card != emw->card) {

        if (emw->card)
            g_object_unref (emw->card);

        emw->card = card;

        if (emw->card)
            g_object_ref (emw->card);

        if (emw->item)
            g_object_set (emw->item,
                      "card", emw->card,
                      NULL);
    }
}