C++ (Cpp) ev_page_cache_get_text示例

示例#1

文件： ev-page-accessible.c 项目： hashken/evince

static AtkAttributeSet*
ev_page_accessible_get_run_attributes (AtkText *text,
				       gint     offset,
				       gint    *start_offset,
				       gint    *end_offset)
{
	EvPageAccessible *self = EV_PAGE_ACCESSIBLE (text);
	EvView *view = ev_page_accessible_get_view (self);
	PangoAttrList *attrs;
	const gchar   *page_text;

	if (offset < 0)
		return NULL;

	if (!view->page_cache)
		return NULL;

	page_text = ev_page_cache_get_text (view->page_cache, self->priv->page);
	if (!page_text)
		return NULL;

	attrs = ev_page_cache_get_text_attrs (view->page_cache, self->priv->page);
	if (!attrs)
		return NULL;

	return get_run_attributes (attrs, page_text, offset, start_offset, end_offset);
}

示例#2

文件： ev-view-accessible.c 项目： RavetcoFX/gnome-apps

static GtkTextBuffer *
ev_view_accessible_get_text_buffer (EvViewAccessible *accessible, EvView *view)
{
	EvPageCache *page_cache;
	const gchar *retval = NULL;
	EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (accessible);

	page_cache = view->page_cache;
	if (!page_cache) {
		return NULL;
	}

	if (view->current_page == priv->current_page && priv->buffer) {
		return priv->buffer;
	}

	priv->current_page = view->current_page;

	if (!priv->buffer) {
		priv->buffer = gtk_text_buffer_new (NULL);
	}

	retval = ev_page_cache_get_text (page_cache, view->current_page);
	if (retval)
		gtk_text_buffer_set_text (priv->buffer, retval, -1);

	return priv->buffer;
}

示例#3

文件： ev-page-accessible.c 项目： hashken/evince

static gint
ev_page_accessible_get_character_count (AtkText *text)
{
	EvPageAccessible *self = EV_PAGE_ACCESSIBLE (text);
	EvView *view = ev_page_accessible_get_view (self);
	gint retval;

	retval = g_utf8_strlen (ev_page_cache_get_text (view->page_cache, self->priv->page), -1);

	return retval;
}

示例#4

文件： ev-page-accessible.c 项目： hashken/evince

static gchar *
ev_page_accessible_get_substring (AtkText *text,
				  gint     start_offset,
				  gint     end_offset)
{
	EvPageAccessible *self = EV_PAGE_ACCESSIBLE (text);
	EvView *view = ev_page_accessible_get_view (self);
	gchar *substring, *normalized;
	const gchar* page_text;

	if (!view->page_cache)
		return NULL;

	page_text = ev_page_cache_get_text (view->page_cache, self->priv->page);
	start_offset = MAX (0, start_offset);
	if (end_offset < 0 || end_offset > g_utf8_strlen (page_text, -1))
		end_offset = strlen (page_text);

	substring = g_utf8_substring (page_text, start_offset, end_offset);
	normalized = g_utf8_normalize (substring, -1, G_NORMALIZE_NFKC);
	g_free (substring);

	return normalized;
}