diff options
Diffstat (limited to 'libdocument/ev-link-dest.c')
| -rw-r--r-- | libdocument/ev-link-dest.c | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/libdocument/ev-link-dest.c b/libdocument/ev-link-dest.c new file mode 100644 index 00000000..f73f99f7 --- /dev/null +++ b/libdocument/ev-link-dest.c @@ -0,0 +1,511 @@ +/* this file is part of evince, a mate document viewer + * + * Copyright (C) 2006 Carlos Garcia Campos <[email protected]> + * Copyright (C) 2005 Red Hat, Inc. + * + * Evince is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Evince 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 program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <config.h> + +#include "ev-link-dest.h" +#include "ev-document-type-builtins.h" + +enum { + PROP_0, + PROP_TYPE, + PROP_PAGE, + PROP_LEFT, + PROP_TOP, + PROP_BOTTOM, + PROP_RIGHT, + PROP_ZOOM, + PROP_CHANGE, + PROP_NAMED, + PROP_PAGE_LABEL +}; + +typedef enum { + EV_DEST_CHANGE_TOP = 1 << 0, + EV_DEST_CHANGE_LEFT = 1 << 1, + EV_DEST_CHANGE_ZOOM = 1 << 2 +} EvDestChange; + +struct _EvLinkDest { + GObject base_instance; + + EvLinkDestPrivate *priv; +}; + +struct _EvLinkDestClass { + GObjectClass base_class; +}; + +struct _EvLinkDestPrivate { + EvLinkDestType type; + int page; + double top; + double left; + double bottom; + double right; + double zoom; + EvDestChange change; + gchar *named; + gchar *page_label; +}; + +G_DEFINE_TYPE (EvLinkDest, ev_link_dest, G_TYPE_OBJECT) + +#define EV_LINK_DEST_GET_PRIVATE(object) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK_DEST, EvLinkDestPrivate)) + +EvLinkDestType +ev_link_dest_get_dest_type (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + return self->priv->type; +} + +gint +ev_link_dest_get_page (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), -1); + + return self->priv->page; +} + +gdouble +ev_link_dest_get_top (EvLinkDest *self, + gboolean *change_top) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + if (change_top) + *change_top = (self->priv->change & EV_DEST_CHANGE_TOP); + + return self->priv->top; +} + +gdouble +ev_link_dest_get_left (EvLinkDest *self, + gboolean *change_left) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + if (change_left) + *change_left = (self->priv->change & EV_DEST_CHANGE_LEFT); + + return self->priv->left; +} + +gdouble +ev_link_dest_get_bottom (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + return self->priv->bottom; +} + +gdouble +ev_link_dest_get_right (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + return self->priv->right; +} + +gdouble +ev_link_dest_get_zoom (EvLinkDest *self, + gboolean *change_zoom) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), 0); + + if (change_zoom) + *change_zoom = (self->priv->change & EV_DEST_CHANGE_ZOOM); + + return self->priv->zoom; +} + +const gchar * +ev_link_dest_get_named_dest (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL); + + return self->priv->named; +} + +const gchar * +ev_link_dest_get_page_label (EvLinkDest *self) +{ + g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL); + + return self->priv->page_label; +} + +static void +ev_link_dest_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *param_spec) +{ + EvLinkDest *self; + + self = EV_LINK_DEST (object); + + switch (prop_id) { + case PROP_TYPE: + g_value_set_enum (value, self->priv->type); + break; + case PROP_PAGE: + g_value_set_int (value, self->priv->page); + break; + case PROP_TOP: + g_value_set_double (value, self->priv->top); + break; + case PROP_LEFT: + g_value_set_double (value, self->priv->left); + break; + case PROP_BOTTOM: + g_value_set_double (value, self->priv->bottom); + break; + case PROP_RIGHT: + g_value_set_double (value, self->priv->left); + break; + case PROP_ZOOM: + g_value_set_double (value, self->priv->zoom); + break; + case PROP_CHANGE: + g_value_set_uint (value, self->priv->change); + break; + case PROP_NAMED: + g_value_set_string (value, self->priv->named); + break; + case PROP_PAGE_LABEL: + g_value_set_string (value, self->priv->page_label); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +ev_link_dest_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *param_spec) +{ + EvLinkDest *self = EV_LINK_DEST (object); + + switch (prop_id) { + case PROP_TYPE: + self->priv->type = g_value_get_enum (value); + break; + case PROP_PAGE: + self->priv->page = g_value_get_int (value); + break; + case PROP_TOP: + self->priv->top = g_value_get_double (value); + break; + case PROP_LEFT: + self->priv->left = g_value_get_double (value); + break; + case PROP_BOTTOM: + self->priv->bottom = g_value_get_double (value); + break; + case PROP_RIGHT: + self->priv->right = g_value_get_double (value); + break; + case PROP_ZOOM: + self->priv->zoom = g_value_get_double (value); + break; + case PROP_CHANGE: + self->priv->change = g_value_get_uint (value); + break; + case PROP_NAMED: + self->priv->named = g_value_dup_string (value); + break; + case PROP_PAGE_LABEL: + self->priv->page_label = g_value_dup_string (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, + prop_id, + param_spec); + break; + } +} + +static void +ev_link_dest_finalize (GObject *object) +{ + EvLinkDestPrivate *priv; + + priv = EV_LINK_DEST (object)->priv; + + if (priv->named) { + g_free (priv->named); + priv->named = NULL; + } + if (priv->page_label) { + g_free (priv->page_label); + priv->page_label = NULL; + } + + G_OBJECT_CLASS (ev_link_dest_parent_class)->finalize (object); +} + +static void +ev_link_dest_init (EvLinkDest *ev_link_dest) +{ + ev_link_dest->priv = EV_LINK_DEST_GET_PRIVATE (ev_link_dest); + + ev_link_dest->priv->named = NULL; +} + +static void +ev_link_dest_class_init (EvLinkDestClass *ev_link_dest_class) +{ + GObjectClass *g_object_class; + + g_object_class = G_OBJECT_CLASS (ev_link_dest_class); + + g_object_class->set_property = ev_link_dest_set_property; + g_object_class->get_property = ev_link_dest_get_property; + + g_object_class->finalize = ev_link_dest_finalize; + + g_type_class_add_private (g_object_class, sizeof (EvLinkDestPrivate)); + + g_object_class_install_property (g_object_class, + PROP_TYPE, + g_param_spec_enum ("type", + "Dest Type", + "The destination type", + EV_TYPE_LINK_DEST_TYPE, + EV_LINK_DEST_TYPE_UNKNOWN, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_PAGE, + g_param_spec_int ("page", + "Dest Page", + "The destination page", + -1, + G_MAXINT, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_LEFT, + g_param_spec_double ("left", + "Left coordinate", + "The left coordinate", + -G_MAXDOUBLE, + G_MAXDOUBLE, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_TOP, + g_param_spec_double ("top", + "Top coordinate", + "The top coordinate", + -G_MAXDOUBLE, + G_MAXDOUBLE, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_BOTTOM, + g_param_spec_double ("bottom", + "Bottom coordinate", + "The bottom coordinate", + -G_MAXDOUBLE, + G_MAXDOUBLE, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_RIGHT, + g_param_spec_double ("right", + "Right coordinate", + "The right coordinate", + -G_MAXDOUBLE, + G_MAXDOUBLE, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (g_object_class, + PROP_ZOOM, + g_param_spec_double ("zoom", + "Zoom", + "Zoom", + 0, + G_MAXDOUBLE, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_CHANGE, + g_param_spec_uint ("change", + "Change", + "Wether top, left, and zoom should be changed", + 0, + G_MAXUINT, + 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_NAMED, + g_param_spec_string ("named", + "Named destination", + "The named destination", + NULL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (g_object_class, + PROP_PAGE_LABEL, + g_param_spec_string ("page_label", + "Label of the page", + "The label of the destination page", + NULL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +EvLinkDest * +ev_link_dest_new_page (gint page) +{ + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_PAGE, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_xyz (gint page, + gdouble left, + gdouble top, + gdouble zoom, + gboolean change_left, + gboolean change_top, + gboolean change_zoom) +{ + EvDestChange change = 0; + + if (change_left) + change |= EV_DEST_CHANGE_LEFT; + if (change_top) + change |= EV_DEST_CHANGE_TOP; + if (change_zoom) + change |= EV_DEST_CHANGE_ZOOM; + + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_XYZ, + "left", left, + "top", top, + "zoom", zoom, + "change", change, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_fit (gint page) +{ + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_FIT, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_fith (gint page, + gdouble top, + gboolean change_top) +{ + EvDestChange change = 0; + + if (change_top) + change |= EV_DEST_CHANGE_TOP; + + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_FITH, + "top", top, + "change", change, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_fitv (gint page, + gdouble left, + gboolean change_left) +{ + EvDestChange change = 0; + + if (change_left) + change |= EV_DEST_CHANGE_LEFT; + + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_FITV, + "left", left, + "change", change, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_fitr (gint page, + gdouble left, + gdouble bottom, + gdouble right, + gdouble top) +{ + EvDestChange change = EV_DEST_CHANGE_TOP | EV_DEST_CHANGE_LEFT; + + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page", page, + "type", EV_LINK_DEST_TYPE_FITR, + "left", left, + "bottom", bottom, + "right", right, + "top", top, + "change", change, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_named (const gchar *named_dest) +{ + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "named", named_dest, + "type", EV_LINK_DEST_TYPE_NAMED, + NULL)); +} + +EvLinkDest * +ev_link_dest_new_page_label (const gchar *page_label) +{ + return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST, + "page_label", page_label, + "type", EV_LINK_DEST_TYPE_PAGE_LABEL, + NULL)); +} |