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Expose document info via dbus (fixes #355)

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The data is encoded as JSON and also includes the document index.
This commit is contained in:
Sebastian Ramacher 2023-09-11 17:28:20 +02:00
parent 6cddcbf353
commit 3a3e03999a
3 changed files with 76 additions and 11 deletions
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2
data/org.pwmt.zathura.xml
View file

@ -27,7 +27,9 @@
</method>
<property type='s' name='filename' access='read' />
<property type='u' name='pagenumber' access='read' />
<!-- deprecated, will be removed in the next release -->
<property type='u' name='numberofpages' access='read' />
<property type='s' name='documentinfo' access='read' />
<!-- Open editor with given input file at line and column. -->
<signal name='Edit'>
<arg type='s' name='input' direction='out' />

3
meson.build
View file

@ -43,10 +43,11 @@ gio = dependency('gio-unix-2.0', required: host_machine.system() != 'windows')
gthread = dependency('gthread-2.0', version: '>=2.50')
gmodule = dependency('gmodule-no-export-2.0', version: '>=2.50')
gtk3 = dependency('gtk+-3.0', version: '>=3.22')
json_glib = dependency('json-glib-1.0')
cairo = dependency('cairo')
magic = cc.find_library('magic', required: true)
build_dependencies = [libm, girara, glib, gio, gthread, gmodule, gtk3, cairo, magic]
build_dependencies = [libm, girara, glib, gio, gthread, gmodule, gtk3, cairo, magic, json_glib]
if host_machine.system() == 'darwin'
gtk_mac_integration = dependency('gtk-mac-integration-gtk3')

82
zathura/dbus-interface.c
View file

@ -4,6 +4,7 @@
#include "adjustment.h"
#include "config.h"
#include "document.h"
#include "links.h"
#include "macros.h"
#include "resources.h"
#include "synctex.h"
@ -16,6 +17,7 @@
#include <girara/commands.h>
#include <gio/gio.h>
#include <sys/types.h>
#include <json-glib/json-glib.h>
#include <string.h>
#include <unistd.h>
@ -533,14 +535,73 @@ handle_method_call(GDBusConnection* UNUSED(connection), const gchar* UNUSED(send
}
}
static GVariant*
handle_get_property(GDBusConnection* UNUSED(connection),
const gchar* UNUSED(sender),
const gchar* UNUSED(object_path),
const gchar* UNUSED(interface_name),
const gchar* property_name, GError** error, void* data)
static void
json_document_info_add_node(JsonBuilder* builder, girara_tree_node_t* index)
{
ZathuraDbus* dbus = data;
girara_list_t* list = girara_node_get_children(index);
GIRARA_LIST_FOREACH_BODY(
list, girara_tree_node_t*, node, do {
zathura_index_element_t* index_element = girara_node_get_data(node);
json_builder_begin_object(builder);
json_builder_set_member_name(builder, "title");
json_builder_add_string_value(builder, index_element->title);
zathura_link_type_t type = zathura_link_get_type(index_element->link);
zathura_link_target_t target = zathura_link_get_target(index_element->link);
if (type == ZATHURA_LINK_GOTO_DEST) {
json_builder_set_member_name(builder, "page");
json_builder_add_int_value(builder, target.page_number + 1);
} else {
json_builder_set_member_name(builder, "target");
json_builder_add_string_value(builder, target.value);
}
if (girara_node_get_num_children(node) > 0) {
json_builder_set_member_name(builder, "sub-index");
json_builder_begin_array(builder);
json_document_info_add_node(builder, node);
json_builder_end_array(builder);
}
json_builder_end_object(builder);
} while (0););
}
static GVariant*
json_document_info(zathura_t* zathura)
{
JsonBuilder* builder = json_builder_new();
json_builder_begin_object(builder);
json_builder_set_member_name(builder, "filename");
json_builder_add_string_value(builder, zathura_document_get_path(zathura->document));
json_builder_set_member_name(builder, "number-of-pages");
json_builder_add_int_value(builder, zathura_document_get_current_page_number(zathura->document));
json_builder_set_member_name(builder, "index");
json_builder_begin_array(builder);
girara_tree_node_t* index = zathura_document_index_generate(zathura->document, NULL);
if (index != NULL) {
json_document_info_add_node(builder, index);
girara_node_free(index);
}
json_builder_end_array(builder);
json_builder_end_object(builder);
JsonNode* root = json_builder_get_root(builder);
char* serialized_root = json_to_string(root, true);
json_node_free(root);
g_object_unref(builder);
return g_variant_new_take_string(serialized_root);
}
static GVariant*
handle_get_property(GDBusConnection* UNUSED(connection), const gchar* UNUSED(sender), const gchar* UNUSED(object_path),
const gchar* UNUSED(interface_name), const gchar* property_name, GError** error, void* data)
{
ZathuraDbus* dbus = data;
ZathuraDbusPrivate* priv = zathura_dbus_get_instance_private(dbus);
if (priv->zathura->document == NULL) {
@ -554,16 +615,17 @@ handle_get_property(GDBusConnection* UNUSED(connection),
return g_variant_new_uint32(zathura_document_get_current_page_number(priv->zathura->document));
} else if (g_strcmp0(property_name, "numberofpages") == 0) {
return g_variant_new_uint32(zathura_document_get_number_of_pages(priv->zathura->document));
} else if (g_strcmp0(property_name, "documentinfo") == 0) {
return json_document_info(priv->zathura);
}
return NULL;
}
static const GDBusInterfaceVTable interface_vtable =
{
static const GDBusInterfaceVTable interface_vtable = {
.method_call = handle_method_call,
.get_property = handle_get_property,
.set_property = NULL
.set_property = NULL,
};
static const unsigned int TIMEOUT = 3000;