typedef void *gpointer;
typedef struct _GList GList;
typedef struct _unsigned intInstance unsigned intInstance;
typedef void (*GClassInitFunc) (gpointer g_class, gpointer class_data);
typedef void (*GInstanceInitFunc) (unsigned intInstance * instance, gpointer g_class);
typedef enum {
	G_TYPE_FLAG_CLASSED = (1 << 0), G_TYPE_FLAG_INSTANTIATABLE =
	    (1 << 1), G_TYPE_FLAG_DERIVABLE =
	    (1 << 2), G_TYPE_FLAG_DEEP_DERIVABLE = (1 << 3)
} unsigned intFlags;
typedef struct _GdkRectangle GdkRectangle;
struct _GdkRectangle {
	int x;
	int y;
	int width;
	int height;
};
typedef enum {
	GTK_PACK_START, GTK_PACK_END
} GtkPathType;
typedef enum {
	GTK_POS_LEFT, GTK_POS_RIGHT, GTK_POS_TOP, GTK_POS_BOTTOM
} GtkPreviewType;
typedef struct _GtkObject GtkObject;
struct _GtkObject {
	unsigned int flags;
};
typedef struct _GtkWidget GtkWidget;
typedef enum {
	GTK_TOPLEVEL = 1 << 4, GTK_NO_WINDOW = 1 << 5, GTK_REALIZED =
	    1 << 6, GTK_MAPPED = 1 << 7, GTK_VISIBLE = 1 << 8, GTK_SENSITIVE =
	    1 << 9, GTK_PARENT_SENSITIVE = 1 << 10, GTK_CAN_FOCUS =
	    1 << 11, GTK_HAS_FOCUS = 1 << 12, GTK_CAN_DEFAULT =
	    1 << 13, GTK_HAS_DEFAULT = 1 << 14, GTK_HAS_GRAB =
	    1 << 15, GTK_RC_STYLE = 1 << 16, GTK_COMPOSITE_CHILD =
	    1 << 17, GTK_NO_REPARENT = 1 << 18, GTK_APP_PAINTABLE =
	    1 << 19, GTK_RECEIVES_DEFAULT = 1 << 20, GTK_DOUBLE_BUFFERED =
	    1 << 21, GTK_NO_SHOW_ALL = 1 << 22
} GtkWidgetFlags;
typedef struct _GtkRequisition GtkRequisition;
typedef GdkRectangle GtkAllocation;
struct _GtkRequisition {
	int width;
	int height;
};
struct _GtkWidget {
	GtkWidget *parent;
};
typedef enum {
	GTK_NOTEBOOK_TAB_FIRST, GTK_NOTEBOOK_TAB_LAST
} GtkNotebookTab;
typedef struct _GtkNotebook GtkNotebook;
typedef struct _GtkNotebookClass GtkNotebookClass;
typedef struct _GtkNotebookPage GtkNotebookPage;
struct _GtkNotebook {
	GtkNotebookPage *cur_page;
	unsigned int show_tabs:1;
	unsigned int homogeneous:1;
};
struct _GtkNotebookClass {
	int(*focus_tab) (GtkNotebook * notebook, GtkNotebookTab type);
};
enum {
	STEP_PREV, STEP_NEXT
};
typedef enum {
	DRAG_OPERATION_NONE, DRAG_OPERATION_REORDER, DRAG_OPERATION_DETACH
} GtkNotebookDragOperation;
struct _GtkNotebookPage {
	GtkWidget *tab_label;
	unsigned int expand:1;
	unsigned int pack:1;
	GtkRequisition requisition;
	GtkAllocation allocation;
};
typedef struct _GtkNotebookPrivate GtkNotebookPrivate;
struct _GtkNotebookPrivate {
	GtkNotebookDragOperation operation;
	int drag_window_x;
	int drag_window_y;
	GtkNotebookPage *detached_tab;
};
 int gtk_notebook_focus_tab(GtkNotebook * notebook,
				       GtkNotebookTab type);
 void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
					  GList * new_child);
 void gtk_notebook_init(GtkNotebook * self);
 void gtk_notebook_class_init(GtkNotebookClass * klass);
 void gtk_notebook_class_intern_init(gpointer klass)
{
	gtk_notebook_class_init((GtkNotebookClass *) klass);
}
unsigned int IA__gtk_notebook_get_type(void)
{
	unsigned int g_define_type_id__volatile;
	if (g_once_init_enter(&g_define_type_id__volatile))
{
		unsigned int g_define_type_id =
		    g_type_register_static_simple((IA__gtk_container_get_type
						   ()),
						  g_intern_static_string
						  ("GtkNotebook"),
						  sizeof(GtkNotebookClass),
						  (GClassInitFunc)
						  gtk_notebook_class_intern_init,
						  sizeof(GtkNotebook),
						  (GInstanceInitFunc)
						  gtk_notebook_init,
						  (unsigned intFlags) 0);
}
}
 void gtk_notebook_class_init(GtkNotebookClass * class)
{
	class->focus_tab = gtk_notebook_focus_tab;
}
 int gtk_notebook_focus_tab(GtkNotebook * notebook,
				       GtkNotebookTab type)
{
	GList *list;
	if (IA__gtk_widget_is_focus(((((GtkWidget *) ((notebook))))))
	    && notebook->show_tabs) {
		switch (type) {
		case GTK_NOTEBOOK_TAB_LAST:
			list =
			    gtk_notebook_search_page(notebook, ((void *)0),
						     STEP_PREV, (!(0)));
			if (list)
				gtk_notebook_switch_focus_tab(notebook, list);
		}
	}
}
 int gtk_notebook_calculate_tabs_allocation(GtkNotebook * notebook,
						       GList ** children,
						       GList * last_child,
						       int showarrow,
						       int direction,
						       int * remaining_space,
						       int * expanded_tabs,
						       int min, int max)
{
	GtkNotebookPrivate *priv;
	GtkNotebookPage *page;
	int allocate_at_bottom;
	int tab_overlap;
	int tab_pos;
	int tab_extra_space;
	int left_x;
	int right_x;
	int top_y;
	int anchor;
	int xthickness;
	int ythickness;
	int gap_left;
	int packing_changed;
	GtkAllocation child_allocation = {
		0,
	};
	while (*children && *children != last_child) {
		if (!
		    (((GtkNotebookPage *) (page))->tab_label->parent ==
		     ((GtkWidget *) (notebook))))
			continue;
		if (*expanded_tabs
		    && (showarrow || page->expand || notebook->homogeneous)) {
			tab_extra_space = *remaining_space / *expanded_tabs;
			*remaining_space -= tab_extra_space;
		}
		switch (tab_pos) {
		case GTK_POS_TOP:
		case GTK_POS_BOTTOM:
			child_allocation.width =
			    page->requisition.width + tab_overlap +
			    tab_extra_space;
			if (priv->operation == DRAG_OPERATION_REORDER
			    && !gap_left && packing_changed) {
				if (!allocate_at_bottom) {
					if ((notebook->cur_page->pack ==
					     GTK_PACK_START && left_x >= anchor)
					    || (notebook->cur_page->pack ==
						GTK_PACK_END
						&& left_x < anchor)) {
						left_x = priv->drag_window_x =
						    anchor;
						anchor +=
						    notebook->cur_page->
						    allocation.width -
						    tab_overlap;
					}
					if ((notebook->cur_page->pack ==
					     GTK_PACK_START
					     && right_x <= anchor)
					    || (notebook->cur_page->pack ==
						GTK_PACK_END
						&& right_x > anchor)) {
						anchor -=
						    notebook->cur_page->
						    allocation.width;
						left_x = priv->drag_window_x =
						    anchor;
						anchor += tab_overlap;
					}
				}
			} else {
				if (allocate_at_bottom)
					anchor -= child_allocation.width;
				if (priv->operation == DRAG_OPERATION_REORDER
				    && page->pack == notebook->cur_page->pack) {
					if (!allocate_at_bottom
					    && left_x >= anchor
					    && left_x <=
					    anchor + child_allocation.width / 2)
						anchor +=
						    notebook->cur_page->
						    allocation.width -
						    tab_overlap;
					else if (allocate_at_bottom
						 && right_x >=
						 anchor +
						 child_allocation.width / 2
						 && right_x <=
						 anchor +
						 child_allocation.width)
						anchor -=
						    notebook->cur_page->
						    allocation.width -
						    tab_overlap;
				}
				child_allocation.x = anchor;
			}
			break;
		case GTK_POS_LEFT:
		case GTK_POS_RIGHT:
			child_allocation.height =
			    page->requisition.height + tab_overlap +
			    tab_extra_space;
			if (priv->operation == DRAG_OPERATION_REORDER
			    && !gap_left && packing_changed) {
				priv->drag_window_x = child_allocation.x;
				priv->drag_window_y = top_y;
				if (priv->operation == DRAG_OPERATION_REORDER
				    && page->pack == notebook->cur_page->pack) {
					if (!allocate_at_bottom
					    && top_y >= anchor
					    && top_y <=
					    anchor +
					    child_allocation.height / 2)
						anchor +=
						    notebook->cur_page->
						    allocation.height -
						    tab_overlap;
				}
			}
		}
		if ((page == priv->detached_tab
		     && priv->operation == DRAG_OPERATION_DETACH)
		    || (page == notebook->cur_page
			&& priv->operation == DRAG_OPERATION_REORDER)) {
			page->allocation.x = 0;
		}
		if (page != notebook->cur_page) {
			switch (tab_pos) {
			case GTK_POS_TOP:
				page->allocation.y += ythickness;
			case GTK_POS_BOTTOM:
				page->allocation.height =
				    (((1) >
				      (page->allocation.height -
				       ythickness)) ? (1) : (page->allocation.
							     height -
							     ythickness));
				break;
			case GTK_POS_LEFT:
				page->allocation.x += xthickness;
			case GTK_POS_RIGHT:
				page->allocation.width =
				    (((1) >
				      (page->allocation.width -
				       xthickness)) ? (1) : (page->allocation.
							     width -
							     xthickness));
			}
		}
		switch (tab_pos) {
		case GTK_POS_TOP:
		case GTK_POS_BOTTOM:
			if (priv->operation != DRAG_OPERATION_REORDER
			    || (priv->operation == DRAG_OPERATION_REORDER
				&& page != notebook->cur_page)) {
				if (!allocate_at_bottom)
					anchor +=
					    child_allocation.width -
					    tab_overlap;
			}
		case GTK_POS_LEFT:
		case GTK_POS_RIGHT:
			if (priv->operation != DRAG_OPERATION_REORDER
			    || (priv->operation == DRAG_OPERATION_REORDER
				&& page != notebook->cur_page)) {
				if (priv->operation == DRAG_OPERATION_REORDER) {
					if (page->pack ==
					    notebook->cur_page->pack
					    && !allocate_at_bottom
					    && top_y >=
					    anchor + child_allocation.height / 2
					    && top_y <=
					    anchor + child_allocation.height)
						anchor +=
						    notebook->cur_page->
						    allocation.height -
						    tab_overlap;
				}
			}
		}
		if (page->tab_label)
			IA__gtk_widget_set_child_visible(page->tab_label,
							 (!(0)));
	}
}
 void gtk_notebook_pages_allocate(GtkNotebook * notebook)
{
	GList *children = ((void *)0);
	GList *last_child = ((void *)0);
	int showarrow = (0);
	int min;
	int max;
	int remaining_space;
	int expanded_tabs;
	gtk_notebook_calculate_tabs_allocation(notebook, &children, last_child,
					       showarrow, STEP_NEXT,
					       &remaining_space, &expanded_tabs,
					       min, max);
	if (children && children != last_child) {
		gtk_notebook_calculate_tabs_allocation(notebook, &children,
						       last_child, showarrow,
						       STEP_PREV,
						       &remaining_space,
						       &expanded_tabs, min,
						       max);
	}
}
 void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
					  GList * new_child)
{
	GtkNotebookPage *page;
	if (((((((((GtkObject *) ((page->tab_label)))))->
		flags)) & GTK_MAPPED) != 0))
		gtk_notebook_redraw_tabs(notebook);
	else
		gtk_notebook_pages_allocate(notebook);
}