ev-history.h File Reference

#include <glib-object.h>
#include <evince-document.h>
#include <evince-view.h>

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Data Structures
struct	_EvHistory
struct	_EvHistoryClass

Macros
#define	EV_TYPE_HISTORY   (ev_history_get_type ())
#define	EV_HISTORY(obj)   (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_HISTORY, EvHistory))
#define	EV_HISTORY_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_HISTORY, EvHistoryClass))
#define	EV_IS_HISTORY(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_HISTORY))
#define	EV_IS_HISTORY_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((obj), EV_TYPE_HISTORY))
#define	EV_HISTORY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), EV_TYPE_HISTORY, EvHistoryClass))

Typedefs
typedef struct _EvHistory	EvHistory
typedef struct _EvHistoryPrivate	EvHistoryPrivate
typedef struct _EvHistoryClass	EvHistoryClass

Functions
GType	ev_history_get_type (void)
EvHistory *	ev_history_new (EvDocumentModel *model)
void	ev_history_add_link (EvHistory *history, EvLink *link)
gboolean	ev_history_can_go_back (EvHistory *history)
void	ev_history_go_back (EvHistory *history)
gboolean	ev_history_can_go_forward (EvHistory *history)
void	ev_history_go_forward (EvHistory *history)
gboolean	ev_history_go_to_link (EvHistory *history, EvLink *link)
GList *	ev_history_get_back_list (EvHistory *history)
GList *	ev_history_get_forward_list (EvHistory *history)
void	ev_history_freeze (EvHistory *history)
void	ev_history_thaw (EvHistory *history)
gboolean	ev_history_is_frozen (EvHistory *history)

Macro Definition Documentation

#define EV_HISTORY

(

obj)

(G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_HISTORY, EvHistory))

Definition at line 30 of file ev-history.h.

#define EV_HISTORY_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_HISTORY, EvHistoryClass))

Definition at line 31 of file ev-history.h.

#define EV_HISTORY_GET_CLASS

(

obj)

(G_TYPE_INSTANCE_GET_CLASS((obj), EV_TYPE_HISTORY, EvHistoryClass))

Definition at line 34 of file ev-history.h.

#define EV_IS_HISTORY

(

obj)

(G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_HISTORY))

Definition at line 32 of file ev-history.h.

#define EV_IS_HISTORY_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_TYPE ((obj), EV_TYPE_HISTORY))

Definition at line 33 of file ev-history.h.

#define EV_TYPE_HISTORY   (ev_history_get_type ())

Definition at line 29 of file ev-history.h.

Typedef Documentation

typedef struct _EvHistory EvHistory

Definition at line 36 of file ev-history.h.

typedef struct _EvHistoryClass EvHistoryClass

Definition at line 38 of file ev-history.h.

typedef struct _EvHistoryPrivate EvHistoryPrivate

Definition at line 37 of file ev-history.h.

Function Documentation

void ev_history_add_link	(	EvHistory *	history,
		EvLink *	link
	)

Definition at line 147 of file ev-history.c.

{
        EvHistoryPrivate *priv;

    g_return_if_fail (EV_IS_HISTORY (history));
    g_return_if_fail (EV_IS_LINK (link));

        if (ev_history_is_frozen (history))
                return;

        priv = history->priv;

        if (priv->current) {
                /* Truncate forward history at @current */
                clear_list (priv->current->next);
                priv->current->next = NULL;
        }

        /* Push @link to the list */
        priv->current = g_list_append (NULL, g_object_ref (link));
        priv->list = g_list_concat (priv->list, priv->current);

        ev_history_prune (history);

    g_signal_emit (history, signals[CHANGED], 0);
}

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gboolean ev_history_can_go_back

(

EvHistory *

history)

Definition at line 190 of file ev-history.c.

{
        EvHistoryPrivate *priv;

        g_return_val_if_fail (EV_IS_HISTORY (history), FALSE);

        if (ev_history_is_frozen (history))
                return FALSE;

        priv = history->priv;
        return priv->current && priv->current->prev;
}

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gboolean ev_history_can_go_forward

(

EvHistory *

history)

Definition at line 222 of file ev-history.c.

{
        EvHistoryPrivate *priv;

        g_return_val_if_fail (EV_IS_HISTORY (history), FALSE);

        if (ev_history_is_frozen (history))
                return FALSE;

        priv = history->priv;
        return priv->current && priv->current->next;
}

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void ev_history_freeze

(

EvHistory *

history)

Definition at line 340 of file ev-history.c.

{
        g_return_if_fail (EV_IS_HISTORY (history));

        history->priv->frozen++;
}

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GList* ev_history_get_back_list

(

EvHistory *

history)

ev_history_get_back_list: : a EvHistory

Returns: (transfer container): the back history

Definition at line 306 of file ev-history.c.

{
        EvHistoryPrivate *priv;
        GList *list, *l;

        g_return_val_if_fail (EV_IS_HISTORY (history), NULL);

        priv = history->priv;

        if (priv->current == NULL)
                return NULL;

        list = NULL;
        for (l = priv->current->prev; l != NULL; l = l->prev)
                list = g_list_prepend (list, l->data);

        return g_list_reverse (list);
}

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GList* ev_history_get_forward_list

(

EvHistory *

history)

ev_history_get_forward_list: : a EvHistory

Returns: (transfer container): the forward history

Definition at line 332 of file ev-history.c.

{
        g_return_val_if_fail (EV_IS_HISTORY (history), NULL);

        return g_list_copy (history->priv->current->next);
}

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GType ev_history_get_type

(

void

)

void ev_history_go_back

(

EvHistory *

history)

Definition at line 204 of file ev-history.c.

{
        EvHistoryPrivate *priv;

        g_return_if_fail (EV_IS_HISTORY (history));

        if (!ev_history_can_go_back (history))
                return;

        priv = history->priv;

        /* Move current back one step */
        priv->current = priv->current->prev;

        ev_history_activate_current_link (history);
}

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void ev_history_go_forward

(

EvHistory *

history)

Definition at line 236 of file ev-history.c.

{
        EvHistoryPrivate *priv;

        g_return_if_fail (EV_IS_HISTORY (history));

        if (!ev_history_can_go_forward (history))
                return;

        priv = history->priv;

        /* Move current forward one step */
        priv->current = priv->current->next;

        ev_history_activate_current_link (history);
}

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gboolean ev_history_go_to_link	(	EvHistory *	history,
		EvLink *	link
	)

Definition at line 273 of file ev-history.c.

{
        EvHistoryPrivate *priv;
        GList *l;

        g_return_val_if_fail (EV_IS_HISTORY (history), FALSE);
        g_return_val_if_fail (EV_IS_LINK (link), FALSE);

        if (ev_history_is_frozen (history))
                return FALSE;

        priv = history->priv;

        l = g_list_find_custom (priv->list, link, (GCompareFunc) compare_link);
        if (l == NULL)
                return FALSE;

        /* Set the link as current */
        priv->current = l;

        ev_history_activate_current_link (history);

        return TRUE;
}

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gboolean ev_history_is_frozen

(

EvHistory *

history)

Definition at line 141 of file ev-history.c.

{
        return history->priv->frozen > 0;
}

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EvHistory* ev_history_new

(

EvDocumentModel *

model)

Definition at line 495 of file ev-history.c.

{
        EvHistory *history;

        g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), NULL);

        history = EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));
        ev_history_set_model (history, model);

        return history;
}

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void ev_history_thaw

(

EvHistory *

history)

Definition at line 348 of file ev-history.c.

{
        g_return_if_fail (EV_IS_HISTORY (history));
        g_return_if_fail (history->priv->frozen > 0);

        history->priv->frozen--;
}

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