/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/************************************************

  rbgtkiconview.c -

  $Author: ggc $
  $Date: 2007/07/13 16:07:31 $

  Copyright (C) 2005 Masao Mutoh
************************************************/

#include "global.h"

#if GTK_CHECK_VERSION(2,6,0)

#define _SELF(s) (GTK_ICON_VIEW(RVAL2GOBJ(s)))

static ID id_model;
static ID id_select_path;

static VALUE
iview_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE model;
    rb_scan_args(argc, argv, "01", &model);
    if (NIL_P(model)){
        RBGTK_INITIALIZE(self, gtk_icon_view_new());
    } else {
        G_CHILD_SET(self, id_model, model);
        RBGTK_INITIALIZE(self, 
                         gtk_icon_view_new_with_model(GTK_TREE_MODEL(RVAL2GOBJ(model))));
    }
    return Qnil;
}

/* Defined as Properties
void        gtk_icon_view_set_model         (GtkIconView *icon_view,
                                             GtkTreeModel *model);
GtkTreeModel* gtk_icon_view_get_model       (GtkIconView *icon_view);
void        gtk_icon_view_set_text_column   (GtkIconView *icon_view,
                                             gint column);
gint        gtk_icon_view_get_text_column   (GtkIconView *icon_view);
void        gtk_icon_view_set_markup_column (GtkIconView *icon_view,
                                             gint column);
gint        gtk_icon_view_get_markup_column (GtkIconView *icon_view);
void        gtk_icon_view_set_pixbuf_column (GtkIconView *icon_view,
                                             gint column);
gint        gtk_icon_view_get_pixbuf_column (GtkIconView *icon_view);
*/

static VALUE
iview_get_path_at_pos(VALUE self, VALUE x, VALUE y)
{
    return GTKTREEPATH2RVAL(gtk_icon_view_get_path_at_pos(_SELF(self), NUM2INT(x), NUM2INT(y)));
}

static void
iview_foreach_func(GtkIconView *iview, GtkTreePath *path, gpointer *func)
{
    rb_funcall((VALUE)func, id_call, 2, GOBJ2RVAL(iview), GTKTREEPATH2RVAL(path));
}

static VALUE
iview_selected_foreach(VALUE self)
{
    VALUE func = rb_block_proc();
    G_RELATIVE(self, func);
    gtk_icon_view_selected_foreach(_SELF(self), 
                                   (GtkIconViewForeachFunc)iview_foreach_func, 
                                   (gpointer)func);
    return self;
}

/* Defined as Properties 
void        gtk_icon_view_set_selection_mode
                                            (GtkIconView *icon_view,
                                             GtkSelectionMode mode);
GtkSelectionMode gtk_icon_view_get_selection_mode
                                            (GtkIconView *icon_view);
void        gtk_icon_view_set_orientation   (GtkIconView *icon_view,
                                             GtkOrientation orientation);
GtkOrientation gtk_icon_view_get_orientation
                                            (GtkIconView *icon_view);
void        gtk_icon_view_set_columns       (GtkIconView *icon_view,
                                             gint columns);
gint        gtk_icon_view_get_columns       (GtkIconView *icon_view);
void        gtk_icon_view_set_item_width    (GtkIconView *icon_view,
                                             gint item_width);
gint        gtk_icon_view_get_item_width    (GtkIconView *icon_view);
void        gtk_icon_view_set_spacing       (GtkIconView *icon_view,
                                             gint spacing);
gint        gtk_icon_view_get_spacing       (GtkIconView *icon_view);
void        gtk_icon_view_set_row_spacing   (GtkIconView *icon_view,
                                             gint row_spacing);
gint        gtk_icon_view_get_row_spacing   (GtkIconView *icon_view);
void        gtk_icon_view_set_column_spacing
                                            (GtkIconView *icon_view,
                                             gint column_spacing);
gint        gtk_icon_view_get_column_spacing
                                            (GtkIconView *icon_view);
void        gtk_icon_view_set_margin        (GtkIconView *icon_view,
                                             gint margin);
gint        gtk_icon_view_get_margin        (GtkIconView *icon_view);
void        gtk_icon_view_set_reorderable   (GtkIconView *icon_view,
                                             gboolean reorderable);
gboolean    gtk_icon_view_get_reorderable   (GtkIconView *icon_view);
*/

static VALUE
iview_select_path(VALUE self, VALUE path)
{
    G_CHILD_SET(self, id_select_path, path);
    gtk_icon_view_select_path(_SELF(self), RVAL2GTKTREEPATH(path));
    return self;
}

static VALUE
iview_unselect_path(VALUE self, VALUE path)
{
    G_CHILD_UNSET(self, id_select_path);
    gtk_icon_view_unselect_path(_SELF(self), RVAL2GTKTREEPATH(path));
    return self;
}
 
static VALUE
iview_path_is_selected(VALUE self, VALUE path)
{
    return CBOOL2RVAL(gtk_icon_view_path_is_selected(_SELF(self), RVAL2GTKTREEPATH(path)));
}

static VALUE
iview_get_selected_items(VALUE self)
{
    GList* list = gtk_icon_view_get_selected_items(_SELF(self));
    VALUE ret = GLIST2ARY2(list, GTK_TYPE_TREE_PATH);
    g_list_foreach(list, (GFunc)gtk_tree_path_free, NULL);
    g_list_free(list);
    return ret;
}

static VALUE
iview_select_all(VALUE self)
{
    gtk_icon_view_select_all(_SELF(self));
    return self;
}

static VALUE
iview_unselect_all(VALUE self)
{
    gtk_icon_view_unselect_all(_SELF(self));
    return self;
}
 
static VALUE
iview_item_activated(VALUE self, VALUE path)
{
    gtk_icon_view_item_activated(_SELF(self), RVAL2GTKTREEPATH(path));
    return self;
}
#endif

#if GTK_CHECK_VERSION(2,8,0)
static VALUE
iview_create_drag_icon(VALUE self, VALUE path)
{
    return GOBJ2RVAL(gtk_icon_view_create_drag_icon(_SELF(self), RVAL2GTKTREEPATH(path)));
}

static VALUE
iview_enable_model_drag_dest(VALUE self, VALUE targets, VALUE actions)
{
    gtk_icon_view_enable_model_drag_dest(_SELF(self),
                                         rbgtk_get_target_entry(targets),
                                         RARRAY_LEN(targets),
                                         RVAL2GFLAGS(actions, GDK_TYPE_DRAG_ACTION));
    return self;
}

static VALUE
iview_enable_model_drag_source(VALUE self, VALUE flags, VALUE targets, VALUE actions)
{
    gtk_icon_view_enable_model_drag_source(_SELF(self),
                                           RVAL2GFLAGS(flags, GDK_TYPE_MODIFIER_TYPE),
                                           rbgtk_get_target_entry(targets),
                                           RARRAY_LEN(targets),
                                           RVAL2GFLAGS(actions, GDK_TYPE_DRAG_ACTION));
    return self;
}

static VALUE
iview_cursor(VALUE self)
{
    GtkTreePath* path;
    GtkCellRenderer* cell;
    gboolean cursor_set = gtk_icon_view_get_cursor(_SELF(self), &path, &cell);
    return cursor_set ? rb_assoc_new(GTKTREEPATH2RVAL(path), GOBJ2RVAL(cell)) : Qnil;
}

static VALUE
iview_get_dest_item_at_pos(VALUE self, VALUE drag_x, VALUE drag_y)
{
    GtkTreePath* path;
    GtkIconViewDropPosition pos;
    gboolean item_at_pos = gtk_icon_view_get_dest_item_at_pos(_SELF(self), NUM2INT(drag_x), NUM2INT(drag_y), &path, &pos);
    return item_at_pos ? rb_assoc_new(GTKTREEPATH2RVAL(path),
                                      GENUM2RVAL(pos, GTK_TYPE_ICON_VIEW_DROP_POSITION)) : Qnil;
}

static VALUE
iview_drag_dest_item(VALUE self)
{
    GtkTreePath* path;
    GtkIconViewDropPosition pos;
    gtk_icon_view_get_drag_dest_item(_SELF(self), &path, &pos);
    return rb_assoc_new(GTKTREEPATH2RVAL(path),
                        GENUM2RVAL(pos, GTK_TYPE_ICON_VIEW_DROP_POSITION));
}

static VALUE
iview_get_item_at_pos(VALUE self, VALUE x, VALUE y)
{
    GtkTreePath* path;
    GtkCellRenderer* cell;
    gboolean item_at_pos = gtk_icon_view_get_item_at_pos(_SELF(self), NUM2INT(x), NUM2INT(y), &path, &cell);
    return item_at_pos ? rb_assoc_new(GTKTREEPATH2RVAL(path), GOBJ2RVAL(cell)) : Qnil;
}

static VALUE
iview_visible_range(VALUE self)
{
    GtkTreePath* start_path;
    GtkTreePath* end_path;

    gboolean valid_paths = gtk_icon_view_get_visible_range(_SELF(self), &start_path, &end_path);

    return valid_paths ? rb_assoc_new(GTKTREEPATH2RVAL(start_path),
                                      GTKTREEPATH2RVAL(end_path)) : Qnil;
}

static VALUE
iview_scroll_to_path(VALUE self, VALUE path, VALUE use_align, VALUE row_align, VALUE col_align)
{
    gtk_icon_view_scroll_to_path(_SELF(self),
                                 RVAL2GTKTREEPATH(path),
                                 RVAL2CBOOL(use_align),
                                 NUM2DBL(row_align),
                                 NUM2DBL(col_align));
    return self;
}

static VALUE
iview_set_cursor(VALUE self, VALUE path, VALUE cell, VALUE start_editing)
{
    gtk_icon_view_set_cursor(_SELF(self), RVAL2GTKTREEPATH(path),
                             NIL_P(cell) ? NULL : RVAL2GOBJ(cell), RVAL2CBOOL(start_editing));
    return self;
}

static VALUE
iview_set_drag_dest_item(VALUE self, VALUE path, VALUE pos)
{
    gtk_icon_view_set_drag_dest_item(_SELF(self),
                                     NIL_P(path) ? NULL : RVAL2GTKTREEPATH(path),
                                     RVAL2GENUM(pos, GTK_TYPE_ICON_VIEW_DROP_POSITION));
    return self;
}

static VALUE
iview_unset_model_drag_dest(VALUE self)
{
    gtk_icon_view_unset_model_drag_dest(_SELF(self));
    return self;
}

static VALUE
iview_unset_model_drag_source(VALUE self)
{
    gtk_icon_view_unset_model_drag_source(_SELF(self));
    return self;
}
#endif

void
Init_gtk_iconview()
{
#if GTK_CHECK_VERSION(2,6,0)
    VALUE iview = G_DEF_CLASS(GTK_TYPE_ICON_VIEW, "IconView", mGtk);

    id_model = rb_intern("model");
    id_select_path = rb_intern("select_path");

    rb_define_method(iview, "initialize", iview_initialize, -1);
    rb_define_method(iview, "get_path_at_pos", iview_get_path_at_pos, 2);
    rb_define_alias(iview, "get_path", "get_path_at_pos");
    rb_define_method(iview, "selected_each", iview_selected_foreach, 0);
    rb_define_method(iview, "select_path", iview_select_path, 1);
    rb_define_method(iview, "unselect_path", iview_unselect_path, 1);
    rb_define_method(iview, "path_is_selected?", iview_path_is_selected, 1);
    rb_define_method(iview, "selected_items", iview_get_selected_items, 0);
    rb_define_method(iview, "select_all", iview_select_all, 0);
    rb_define_method(iview, "unselect_all", iview_unselect_all, 0);
    rb_define_method(iview, "item_activated", iview_item_activated, 1);
#endif
#if GTK_CHECK_VERSION(2,8,0)
    rb_define_method(iview, "create_drag_icon", iview_create_drag_icon, 1);
    rb_define_method(iview, "enable_model_drag_dest", iview_enable_model_drag_dest, 2);
    rb_define_method(iview, "enable_model_drag_source", iview_enable_model_drag_source, 3);
    rb_define_method(iview, "cursor", iview_cursor, 0);
    rb_define_method(iview, "get_dest_item", iview_get_dest_item_at_pos, 2); 
    rb_define_method(iview, "drag_dest_item", iview_drag_dest_item, 0);
    rb_define_method(iview, "get_item", iview_get_item_at_pos, 2);
    rb_define_method(iview, "visible_range", iview_visible_range, 0);
    rb_define_method(iview, "scroll_to_path", iview_scroll_to_path, 4);
    rb_define_method(iview, "set_cursor", iview_set_cursor, 3);
    rb_define_method(iview, "set_drag_dest_item", iview_set_drag_dest_item, 2);
    rb_define_method(iview, "unset_model_drag_dest", iview_unset_model_drag_dest, 0);
    rb_define_method(iview, "unset_model_drag_source", iview_unset_model_drag_source, 0);

    /* GtkIconViewDropPosition */
    G_DEF_CLASS(GTK_TYPE_ICON_VIEW_DROP_POSITION, "Type", iview);
    G_DEF_CONSTANTS(iview, GTK_TYPE_ICON_VIEW_DROP_POSITION, "GTK_ICON_VIEW_");
#endif
}