zathura/zathura/main.c
Petr Šabata b78be80d13 Build even without SyncTeX
synctex_editor is used no matter whether we're building WITH_SYNCTEX or
not.  This fixes a build failure when WITH_SYNCTEX isn't defined.

Signed-off-by: Petr Šabata <contyk@redhat.com>
2015-12-21 16:57:59 +01:00

293 lines
8.8 KiB
C

/* See LICENSE file for license and copyright information */
#include <girara/utils.h>
#include <girara/settings.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zathura.h"
#include "utils.h"
#include "dbus-interface.h"
#ifdef WITH_SYNCTEX
#include "synctex.h"
#endif
/* Init locale */
static void
init_locale(void)
{
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
textdomain(GETTEXT_PACKAGE);
}
/* Set log level */
static void
set_log_level(const char* loglevel)
{
if (loglevel == NULL || g_strcmp0(loglevel, "info") == 0) {
girara_set_debug_level(GIRARA_INFO);
} else if (g_strcmp0(loglevel, "warning") == 0) {
girara_set_debug_level(GIRARA_WARNING);
} else if (g_strcmp0(loglevel, "error") == 0) {
girara_set_debug_level(GIRARA_ERROR);
}
}
/* Handle synctex forward synchronization */
#ifdef WITH_SYNCTEX
static int
run_synctex_forward(const char* synctex_fwd, const char* filename,
int synctex_pid)
{
GFile* file = g_file_new_for_commandline_arg(filename);
if (file == NULL) {
girara_error("Unable to handle argument '%s'.", filename);
return -1;
}
char* real_path = g_file_get_path(file);
g_object_unref(file);
if (real_path == NULL) {
girara_error("Failed to determine path for '%s'", filename);
return -1;
}
int line = 0;
int column = 0;
char* input_file = NULL;
if (synctex_parse_input(synctex_fwd, &input_file, &line, &column) == false) {
girara_error("Failed to parse argument to --synctex-forward.");
g_free(real_path);
return -1;
}
const int ret = zathura_dbus_synctex_position(real_path, input_file, line, column, synctex_pid);
g_free(input_file);
g_free(real_path);
if (ret == -1) {
/* D-Bus or SyncTeX failed */
girara_error("Got no usable data from SyncTeX or D-Bus failed in some way.");
}
return ret;
}
#endif
static zathura_t*
init_zathura(const char* config_dir, const char* data_dir,
const char* cache_dir, const char* plugin_path, char** argv,
#ifdef GDK_WINDOWING_X11
char* synctex_editor, Window embed)
#else
char* synctex_editor)
#endif
{
/* create zathura session */
zathura_t* zathura = zathura_create();
if (zathura == NULL) {
return NULL;
}
#ifdef GDK_WINDOWING_X11
zathura_set_xid(zathura, embed);
#endif
zathura_set_config_dir(zathura, config_dir);
zathura_set_data_dir(zathura, data_dir);
zathura_set_cache_dir(zathura, cache_dir);
zathura_set_plugin_dir(zathura, plugin_path);
zathura_set_argv(zathura, argv);
/* Init zathura */
if (zathura_init(zathura) == false) {
zathura_free(zathura);
return NULL;
}
#ifdef WITH_SYNCTEX
if (synctex_editor != NULL) {
girara_setting_set(zathura->ui.session, "synctex-editor-command", synctex_editor);
}
#endif
return zathura;
}
/* main function */
int
main(int argc, char* argv[])
{
init_locale();
/* parse command line arguments */
gchar* config_dir = NULL;
gchar* data_dir = NULL;
gchar* cache_dir = NULL;
gchar* plugin_path = NULL;
gchar* loglevel = NULL;
gchar* password = NULL;
gchar* synctex_editor = NULL;
gchar* synctex_fwd = NULL;
gchar* mode = NULL;
bool forkback = false;
bool print_version = false;
int page_number = ZATHURA_PAGE_NUMBER_UNSPECIFIED;
#ifdef WITH_SYNCTEX
int synctex_pid = -1;
#endif
#ifdef GDK_WINDOWING_X11
Window embed = 0;
#endif
GOptionEntry entries[] = {
#ifdef GDK_WINDOWING_X11
{ "reparent", 'e', 0, G_OPTION_ARG_INT, &embed, _("Reparents to window specified by xid"), "xid" },
#endif
{ "config-dir", 'c', 0, G_OPTION_ARG_FILENAME, &config_dir, _("Path to the config directory"), "path" },
{ "data-dir", 'd', 0, G_OPTION_ARG_FILENAME, &data_dir, _("Path to the data directory"), "path" },
{ "cache-dir", '\0', 0, G_OPTION_ARG_FILENAME, &cache_dir, _("Path to the cache directory"), "path"},
{ "plugins-dir", 'p', 0, G_OPTION_ARG_STRING, &plugin_path, _("Path to the directories containing plugins"), "path" },
{ "fork", '\0', 0, G_OPTION_ARG_NONE, &forkback, _("Fork into the background"), NULL },
{ "password", 'w', 0, G_OPTION_ARG_STRING, &password, _("Document password"), "password" },
{ "page", 'P', 0, G_OPTION_ARG_INT, &page_number, _("Page number to go to"), "number" },
{ "debug", 'l', 0, G_OPTION_ARG_STRING, &loglevel, _("Log level (debug, info, warning, error)"), "level" },
{ "version", 'v', 0, G_OPTION_ARG_NONE, &print_version, _("Print version information"), NULL },
#ifdef WITH_SYNCTEX
{ "synctex-editor-command", 'x', 0, G_OPTION_ARG_STRING, &synctex_editor, _("Synctex editor (forwarded to the synctex command)"), "cmd" },
{ "synctex-forward", '\0', 0, G_OPTION_ARG_STRING, &synctex_fwd, _("Move to given synctex position"), "position" },
{ "synctex-pid", '\0', 0, G_OPTION_ARG_INT, &synctex_pid, _("Highlight given position in the given process"), "pid" },
#endif
{ "mode", '\0', 0, G_OPTION_ARG_STRING, &mode, _("Start in a non-default mode"), "mode" },
{ NULL, '\0', 0, 0, NULL, NULL, NULL }
};
GOptionContext* context = g_option_context_new(" [file1] [file2] [...]");
g_option_context_add_main_entries(context, entries, NULL);
GError* error = NULL;
if (g_option_context_parse(context, &argc, &argv, &error) == false) {
girara_error("Error parsing command line arguments: %s\n", error->message);
g_option_context_free(context);
g_error_free(error);
return -1;
}
g_option_context_free(context);
set_log_level(loglevel);
#ifdef WITH_SYNCTEX
/* handle synctex forward synchronization */
if (synctex_fwd != NULL) {
if (argc != 2) {
girara_error("Too many arguments or missing filename while running with --synctex-forward");
return -1;
}
const int ret = run_synctex_forward(synctex_fwd, argv[1], synctex_pid);
if (ret != 0) {
/* Error or instance found */
return ret;
}
girara_debug("No instance found. Starting new one.");
}
#endif
/* check mode */
if (mode != NULL && g_strcmp0(mode, "presentation") != 0 && g_strcmp0(mode, "fullscreen") != 0) {
girara_error("Invalid argument for --mode: %s", mode);
return -1;
}
size_t file_idx = argc > 1 ? 1 : 0;
/* Fork instances for other files. */
if (print_version == false && argc > 2) {
for (int idx = 2; idx < argc; ++idx) {
const pid_t pid = fork();
if (pid == 0) { /* child */
file_idx = idx;
if (setsid() == -1) {
girara_error("Could not start new process group: %s", strerror(errno));
return -1;
}
} else if (pid < 0) { /* error */
girara_error("Could not fork: %s", strerror(errno));
return -1;
}
}
}
/* Fork into the background if the user really wants to ... */
if (print_version == false && forkback == true && file_idx < 2) {
const pid_t pid = fork();
if (pid > 0) { /* parent */
return 0;
} else if (pid < 0) { /* error */
girara_error("Could not fork: %s", strerror(errno));
return -1;
}
if (setsid() == -1) {
girara_error("Could not start new process group: %s", strerror(errno));
return -1;
}
}
/* Initialize GTK+ */
gtk_init(&argc, &argv);
/* Create zathura session */
zathura_t* zathura = init_zathura(config_dir, data_dir, cache_dir,
#ifdef GDK_WINDOWING_X11
plugin_path, argv, synctex_editor, embed);
#else
plugin_path, argv, synctex_editor);
#endif
if (zathura == NULL) {
girara_error("Could not initialize zathura.");
return -1;
}
/* Print version */
if (print_version == true) {
char* string = zathura_get_version_string(zathura, false);
if (string != NULL) {
fprintf(stdout, "%s\n", string);
g_free(string);
}
zathura_free(zathura);
return 0;
}
/* open document if passed */
if (file_idx != 0) {
if (page_number > 0) {
--page_number;
}
#ifdef WITH_SYNCTEX
document_open_idle(zathura, argv[file_idx], password, page_number, mode, synctex_fwd);
#else
document_open_idle(zathura, argv[file_idx], password, page_number, mode, NULL);
#endif
}
/* run zathura */
gtk_main();
/* free zathura */
zathura_free(zathura);
return 0;
}