static void
cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext*
context, gint page_number, zathura_t* zathura)
{
if (context == NULL || zathura == NULL || zathura->document == NULL ||
zathura->ui.session == NULL || zathura->ui.statusbar.file == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
/* Update statusbar. */
char* tmp = g_strdup_printf(_("Printing page %d ..."), page_number);
girara_statusbar_item_set_text(zathura->ui.session,
zathura->ui.statusbar.file, tmp);
g_free(tmp);
/* Get the page and cairo handle. */
cairo_t* cairo = gtk_print_context_get_cairo_context(context);
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
if (cairo == NULL || page == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
girara_debug("printing page %d ...", page_number);
if (draw_page_cairo(cairo, zathura, page) == true) {
return;
}
girara_debug("printing page %d (fallback) ...", page_number);
if (draw_page_image(cairo, context, zathura, page) == false) {
gtk_print_operation_cancel(print_operation);
}
}
static void
init_database(zathura_t* zathura)
{
char* database = NULL;
girara_setting_get(zathura->ui.session, "database", &database);
if (g_strcmp0(database, "plain") == 0) {
girara_debug("Using plain database backend.");
zathura->database = zathura_plaindatabase_new(zathura->config.data_dir);
#ifdef WITH_SQLITE
} else if (g_strcmp0(database, "sqlite") == 0) {
girara_debug("Using sqlite database backend.");
char* tmp =
g_build_filename(zathura->config.data_dir, "bookmarks.sqlite", NULL);
zathura->database = zathura_sqldatabase_new(tmp);
g_free(tmp);
#endif
} else if (g_strcmp0(database, "null") != 0) {
girara_error("Database backend '%s' is not supported.", database);
}
if (zathura->database == NULL && g_strcmp0(database, "null") != 0) {
girara_error(
"Unable to initialize database. Bookmarks won't be available.");
}
else {
g_object_set(G_OBJECT(zathura->ui.session->command_history), "io",
zathura->database, NULL);
}
g_free(database);
}
static const char*
guess_type_glib(const char* path)
{
gboolean uncertain = FALSE;
const char* content_type = g_content_type_guess(path, NULL, 0, &uncertain);
if (content_type == NULL) {
girara_debug("g_content_type failed\n");
} else {
if (uncertain == FALSE) {
girara_debug("g_content_type detected filetype: %s", content_type);
return content_type;
}
girara_debug("g_content_type is uncertain, guess: %s", content_type);
}
FILE* f = fopen(path, "rb");
if (f == NULL) {
return NULL;
}
const int fd = fileno(f);
guchar* content = NULL;
size_t length = 0u;
ssize_t bytes_read = -1;
while (uncertain == TRUE && length < GT_MAX_READ && bytes_read != 0) {
g_free((void*)content_type);
content_type = NULL;
guchar* temp_content = g_try_realloc(content, length + BUFSIZ);
if (temp_content == NULL) {
break;
}
content = temp_content;
bytes_read = read(fd, content + length, BUFSIZ);
if (bytes_read == -1) {
break;
}
length += bytes_read;
content_type = g_content_type_guess(NULL, content, length, &uncertain);
girara_debug("new guess: %s uncertain: %d, read: %zu", content_type, uncertain, length);
}
fclose(f);
g_free(content);
if (uncertain == FALSE) {
return content_type;
}
g_free((void*)content_type);
return NULL;
}
bool
sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
event, unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
zathura_document_set_adjust_mode(zathura->document, ZATHURA_ADJUST_NONE);
/* retrieve zoom step value */
int value = 1;
girara_setting_get(zathura->ui.session, "zoom-step", &value);
const int nt = (t == 0) ? 1 : t;
const double zoom_step = 1.0 + value / 100.0 * nt;
const double old_zoom = zathura_document_get_scale(zathura->document);
/* specify new zoom value */
if (argument->n == ZOOM_IN) {
girara_debug("Increasing zoom by %f.", zoom_step - 1.0);
zathura_document_set_scale(zathura->document, old_zoom * zoom_step);
} else if (argument->n == ZOOM_OUT) {
girara_debug("Decreasing zoom by %f.", zoom_step - 1.0);
zathura_document_set_scale(zathura->document, old_zoom / zoom_step);
} else if (argument->n == ZOOM_SPECIFIC) {
if (t == 0) {
girara_debug("Setting zoom to 1.");
zathura_document_set_scale(zathura->document, 1.0);
} else {
girara_debug("Setting zoom to %f.", t / 100.0);
zathura_document_set_scale(zathura->document, t / 100.0);
}
} else if (argument->n == ZOOM_SMOOTH) {
const double dy = (event != NULL) ? event->y : 1.0;
girara_debug("Increasing zoom by %f.", zoom_step * dy - 1.0);
zathura_document_set_scale(zathura->document, old_zoom + zoom_step * dy);
} else {
girara_debug("Setting zoom to 1.");
zathura_document_set_scale(zathura->document, 1.0);
}
/* zoom limitations */
const double scale = zathura_document_get_scale(zathura->document);
zathura_document_set_scale(zathura->document, zathura_correct_scale_value(session, scale));
const double new_zoom = zathura_document_get_scale(zathura->document);
if (fabs(new_zoom - old_zoom) <= DBL_EPSILON) {
girara_debug("New and old zoom level are too close: %f vs. %f, diff = %f", new_zoom, old_zoom, fabs(new_zoom - old_zoom));
return false;
}
girara_debug("Re-rendering with new zoom level %f.", new_zoom);
render_all(zathura);
refresh_view(zathura);
return false;
}
void
cb_widget_screen_changed(GtkWidget* widget, GdkScreen* previous_screen, gpointer data)
{
girara_debug("called");
zathura_t* zathura = data;
if (widget == NULL || zathura == NULL) {
return;
}
/* disconnect previous screen handler if present */
if (previous_screen != NULL && zathura->signals.monitors_changed_handler > 0) {
g_signal_handler_disconnect(previous_screen, zathura->signals.monitors_changed_handler);
zathura->signals.monitors_changed_handler = 0;
}
if (gtk_widget_has_screen(widget)) {
GdkScreen* screen = gtk_widget_get_screen(widget);
/* connect to new screen */
zathura->signals.monitors_changed_handler = g_signal_connect(G_OBJECT(screen),
"monitors-changed", G_CALLBACK(cb_monitors_changed), zathura);
}
zathura_update_view_ppi(zathura);
}
} END_TEST
static void
critical_print(const gchar* GIRARA_UNUSED(log_domain), GLogLevelFlags GIRARA_UNUSED(log_level),
const gchar* message, gpointer GIRARA_UNUSED(user_data))
{
girara_debug("expected glib critical: %s", message);
}
bool
synctex_get_input_line_column(const char* filename, unsigned int page, int x, int y,
char** input_file, unsigned int* line, unsigned int* column)
{
if (filename == NULL) {
return false;
}
synctex_scanner_t scanner = synctex_scanner_new_with_output_file(filename, NULL, 1);
if (scanner == NULL) {
girara_debug("Failed to create synctex scanner.");
return false;
}
synctex_scanner_t temp = synctex_scanner_parse(scanner);
if (temp == NULL) {
girara_debug("Failed to parse synctex file.");
synctex_scanner_free(scanner);
return false;
}
bool ret = false;
if (synctex_edit_query(scanner, page + 1u, x, y) > 0) {
/* Assume that a backward search returns at most one result. */
synctex_node_t node = synctex_next_result(scanner);
if (node != NULL) {
if (input_file != NULL) {
*input_file = g_strdup(synctex_scanner_get_name(scanner, synctex_node_tag(node)));
}
if (line != NULL) {
*line = synctex_node_line(node);
}
if (column != NULL) {
*column = synctex_node_column(node);
}
ret = true;
}
}
synctex_scanner_free(scanner);
return ret;
}
static const char*
guess_type_magic(const char* path) {
const char* mime_type = NULL;
/* creat magic cookie */
const int flags =
MAGIC_MIME_TYPE |
MAGIC_SYMLINK |
MAGIC_NO_CHECK_APPTYPE |
MAGIC_NO_CHECK_CDF |
MAGIC_NO_CHECK_ELF |
MAGIC_NO_CHECK_ENCODING;
magic_t magic = magic_open(flags);
if (magic == NULL) {
girara_debug("failed creating the magic cookie");
goto cleanup;
}
/* ... and load mime database */
if (magic_load(magic, NULL) < 0) {
girara_debug("failed loading the magic database: %s", magic_error(magic));
goto cleanup;
}
/* get the mime type */
mime_type = magic_file(magic, path);
if (mime_type == NULL) {
girara_debug("failed guessing filetype: %s", magic_error(magic));
goto cleanup;
}
/* dup so we own the memory */
mime_type = g_strdup(mime_type);
girara_debug("magic detected filetype: %s", mime_type);
cleanup:
if (magic != NULL) {
magic_close(magic);
}
return mime_type;
}
static char*
guess_type_magic(zathura_content_type_context_t* context, const char* path)
{
if (context == NULL || context->magic == NULL) {
return NULL;
}
const char* mime_type = NULL;
/* get the mime type */
mime_type = magic_file(context->magic, path);
if (mime_type == NULL) {
girara_debug("failed guessing filetype: %s", magic_error(context->magic));
return NULL;
}
girara_debug("magic detected filetype: %s", mime_type);
/* dup so we own the memory */
return g_strdup(mime_type);;
}
void
cb_monitors_changed(GdkScreen* screen, gpointer data)
{
girara_debug("signal received");
zathura_t* zathura = data;
if (screen == NULL || zathura == NULL) {
return;
}
zathura_update_view_ppi(zathura);
}
static void
render_job(void* data, void* user_data)
{
zathura_page_t* page = data;
zathura_t* zathura = user_data;
if (page == NULL || zathura == NULL) {
return;
}
girara_debug("rendering page %d ...", zathura_page_get_index(page));
if (render(zathura, page) != true) {
girara_error("Rendering failed (page %d)\n", zathura_page_get_index(page));
}
}
void
cb_scale_factor(GObject* object, GParamSpec* UNUSED(pspec), gpointer data)
{
zathura_t* zathura = data;
if (zathura == NULL || zathura->document == NULL) {
return;
}
int new_factor = gtk_widget_get_scale_factor(GTK_WIDGET(object));
if (new_factor == 0) {
girara_debug("Ignoring new device scale factor = 0");
return;
}
zathura_device_factors_t current = zathura_document_get_device_factors(zathura->document);
if (fabs(new_factor - current.x) >= DBL_EPSILON ||
fabs(new_factor - current.y) >= DBL_EPSILON) {
zathura_document_set_device_factors(zathura->document, new_factor, new_factor);
girara_debug("New device scale factor: %d", new_factor);
zathura_update_view_ppi(zathura);
render_all(zathura);
}
}
void
cb_window_update_icon(ZathuraRenderRequest* GIRARA_UNUSED(request), cairo_surface_t* surface, void* data)
{
zathura_t* zathura = data;
girara_debug("updating window icon");
GdkPixbuf* pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, cairo_image_surface_get_width(surface), cairo_image_surface_get_height(surface));
if (pixbuf == NULL) {
girara_error("Unable to convert cairo surface to Gdk Pixbuf.");
}
gtk_window_set_icon(GTK_WINDOW(zathura->ui.session->gtk.window), pixbuf);
g_object_unref(pixbuf);
}
zathura_content_type_context_t*
zathura_content_type_new(void)
{
zathura_content_type_context_t* context =
g_try_malloc0(sizeof(zathura_content_type_context_t));
if (context == NULL) {
return NULL;
}
#ifdef WITH_MAGIC
/* creat magic cookie */
const int flags =
MAGIC_MIME_TYPE |
MAGIC_SYMLINK |
MAGIC_NO_CHECK_APPTYPE |
MAGIC_NO_CHECK_CDF |
MAGIC_NO_CHECK_ELF |
MAGIC_NO_CHECK_ENCODING;
magic_t magic = magic_open(flags);
if (magic == NULL) {
girara_debug("failed creating the magic cookie");
return context;
}
/* ... and load mime database */
if (magic_load(magic, NULL) < 0) {
girara_debug("failed loading the magic database: %s", magic_error(magic));
magic_close(magic);
return context;
}
context->magic = magic;
#endif
return context;
}
bool
sc_adjust_window(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
if (argument->n < ZATHURA_ADJUST_NONE || argument->n >= ZATHURA_ADJUST_MODE_NUMBER) {
girara_error("Invalid adjust mode: %d", argument->n);
girara_notify(session, GIRARA_ERROR, _("Invalid adjust mode: %d"), argument->n);
} else {
girara_debug("Setting adjust mode to: %d", argument->n);
zathura_document_set_adjust_mode(zathura->document, argument->n);
adjust_view(zathura);
}
return false;
}
void
cb_page_widget_scaled_button_release(ZathuraPage* page_widget, GdkEventButton* event,
void* data)
{
zathura_t* zathura = data;
zathura_page_t* page = zathura_page_widget_get_page(page_widget);
/* set page number (but don't scroll there. it was clicked on, so it's visible) */
if (event->button == GDK_BUTTON_PRIMARY) {
zathura_document_set_current_page_number(zathura->document, zathura_page_get_index(page));
refresh_view(zathura);
}
if (event->button != GDK_BUTTON_PRIMARY || !(event->state & GDK_CONTROL_MASK)) {
return;
}
bool synctex = false;
girara_setting_get(zathura->ui.session, "synctex", &synctex);
if (synctex == false) {
return;
}
if (zathura->dbus != NULL) {
zathura_dbus_edit(zathura->dbus, zathura_page_get_index(page), event->x, event->y);
}
char* editor = NULL;
girara_setting_get(zathura->ui.session, "synctex-editor-command", &editor);
if (editor == NULL || *editor == '\0') {
girara_debug("No SyncTeX editor specified.");
g_free(editor);
return;
}
synctex_edit(editor, page, event->x, event->y);
g_free(editor);
}
bool
sc_bisect(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int t)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(zathura->document != NULL, false);
const unsigned int num_pages = zathura_document_get_number_of_pages(zathura->document);
const unsigned int cur_page = zathura_document_get_current_page_number(zathura->document);
/* process arguments */
int direction;
if (t > 0 && t <= num_pages) {
/* bisect between cur_page and t */
t -= 1;
if (t == cur_page) {
/* nothing to do */
return false;
}
else if (t > cur_page) {
zathura->bisect.start = cur_page;
zathura->bisect.end = t;
direction = BACKWARD;
} else {
zathura->bisect.start = t;
zathura->bisect.end = cur_page;
direction = FORWARD;
}
} else if (argument != NULL) {
direction = argument->n;
/* setup initial bisect range */
zathura_jump_t* jump = zathura_jumplist_current(zathura);
if (jump == NULL) {
girara_debug("bisecting between first and last page because there are no jumps");
zathura->bisect.start = 0;
zathura->bisect.end = num_pages - 1;
} else if (jump->page != cur_page || jump->page != zathura->bisect.last_jump) {
girara_debug("last jump doesn't match up, starting new bisecting");
zathura->bisect.start = 0;
zathura->bisect.end = num_pages - 1;
unsigned int prev_page;
if (direction == FORWARD) {
prev_page = num_pages - 1;
} else {
prev_page = 0;
}
/* check if we have previous jumps */
if (zathura_jumplist_has_previous(zathura) == true) {
zathura_jumplist_backward(zathura);
jump = zathura_jumplist_current(zathura);
if (jump != NULL) {
prev_page = jump->page;
}
zathura_jumplist_forward(zathura);
}
zathura->bisect.start = MIN(prev_page, cur_page);
zathura->bisect.end = MAX(prev_page, cur_page);
zathura->bisect.last_jump = cur_page;
}
} else {
return false;
}
girara_debug("bisecting between %d and %d, at %d", zathura->bisect.start, zathura->bisect.end, cur_page);
if (zathura->bisect.start == zathura->bisect.end) {
/* nothing to do */
return false;
}
unsigned int next_page = cur_page;
unsigned int next_start = zathura->bisect.start;
unsigned int next_end = zathura->bisect.end;
/* here we have next_start <= next_page <= next_end */
/* bisect step */
switch(direction) {
case FORWARD:
if (cur_page != zathura->bisect.end) {
next_page = (cur_page + zathura->bisect.end) / 2;
if (next_page == cur_page) {
++next_page;
}
next_start = cur_page;
}
break;
case BACKWARD:
if (cur_page != zathura->bisect.start) {
next_page = (cur_page + zathura->bisect.start) / 2;
if (next_page == cur_page) {
--next_page;
}
next_end = cur_page;
}
break;
}
if (next_page == cur_page) {
/* nothing to do */
return false;
}
girara_debug("bisecting between %d and %d, jumping to %d", zathura->bisect.start, zathura->bisect.end, next_page);
zathura->bisect.last_jump = next_page;
zathura->bisect.start = next_start;
zathura->bisect.end = next_end;
zathura_jumplist_add(zathura);
page_set(zathura, next_page);
zathura_jumplist_add(zathura);
return false;
}
static void
cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext*
context, gint page_number, zathura_t* zathura)
{
if (context == NULL || zathura == NULL || zathura->document == NULL ||
zathura->ui.session == NULL || zathura->ui.statusbar.file == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
/* Update statusbar. */
char* tmp = g_strdup_printf("Printing %d...", page_number);
girara_statusbar_item_set_text(zathura->ui.session,
zathura->ui.statusbar.file, tmp);
g_free(tmp);
/* Get the page and cairo handle. */
cairo_t* cairo = gtk_print_context_get_cairo_context(context);
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
if (cairo == NULL || page == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
/* Try to render the page without a temporary surface. This only works with
* plugins that support rendering to any surface. */
girara_debug("printing page %d ...", page_number);
zathura_renderer_lock(zathura->sync.render_thread);
int err = zathura_page_render(page, cairo, true);
zathura_renderer_unlock(zathura->sync.render_thread);
if (err == ZATHURA_ERROR_OK) {
return;
}
/* Try to render the page on a temporary image surface. */
const gdouble width = gtk_print_context_get_width(context);
const gdouble height = gtk_print_context_get_height(context);
/* Render to a surface that is 5 times larger to workaround quality issues. */
const double page_height = zathura_page_get_height(page) * 5;
const double page_width = zathura_page_get_width(page) * 5;
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height);
if (surface == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
cairo_t* temp_cairo = cairo_create(surface);
if (cairo == NULL) {
gtk_print_operation_cancel(print_operation);
cairo_surface_destroy(surface);
return;
}
/* Draw a white background. */
cairo_save(temp_cairo);
cairo_set_source_rgb(temp_cairo, 1, 1, 1);
cairo_rectangle(temp_cairo, 0, 0, page_width, page_height);
cairo_fill(temp_cairo);
cairo_restore(temp_cairo);
/* Render the page to the temporary surface */
girara_debug("printing page %d (fallback) ...", page_number);
zathura_renderer_lock(zathura->sync.render_thread);
err = zathura_page_render(page, temp_cairo, true);
zathura_renderer_unlock(zathura->sync.render_thread);
if (err != ZATHURA_ERROR_OK) {
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
gtk_print_operation_cancel(print_operation);
return;
}
/* Rescale the page and keep the aspect ratio */
const gdouble scale = MIN(width / page_width, height / page_height);
cairo_scale(cairo, scale, scale);
/* Blit temporary surface to original cairo object. */
cairo_set_source_surface(cairo, surface, 0.0, 0.0);
cairo_paint(cairo);
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
}
bool
zathura_init(zathura_t* zathura)
{
if (zathura == NULL) {
return false;
}
/* create zathura (config/data) directory */
if (g_mkdir_with_parents(zathura->config.config_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.config_dir, strerror(errno));
}
if (g_mkdir_with_parents(zathura->config.data_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.data_dir, strerror(errno));
}
/* load plugins */
zathura_plugin_manager_load(zathura->plugins.manager);
/* configuration */
config_load_default(zathura);
/* load global configuration files */
char* config_path = girara_get_xdg_path(XDG_CONFIG_DIRS);
girara_list_t* config_dirs = girara_split_path_array(config_path);
ssize_t size = girara_list_size(config_dirs) - 1;
for (; size >= 0; --size) {
const char* dir = girara_list_nth(config_dirs, size);
char* file = g_build_filename(dir, ZATHURA_RC, NULL);
config_load_file(zathura, file);
g_free(file);
}
girara_list_free(config_dirs);
g_free(config_path);
config_load_file(zathura, GLOBAL_RC);
/* load local configuration files */
char* configuration_file = g_build_filename(zathura->config.config_dir, ZATHURA_RC, NULL);
config_load_file(zathura, configuration_file);
g_free(configuration_file);
/* UI */
if (girara_session_init(zathura->ui.session, "zathura") == false) {
goto error_free;
}
/* girara events */
zathura->ui.session->events.buffer_changed = cb_buffer_changed;
zathura->ui.session->events.unknown_command = cb_unknown_command;
/* zathura signals */
zathura->signals.refresh_view = g_signal_new("refresh-view",
GTK_TYPE_WIDGET,
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1,
G_TYPE_POINTER);
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.view), "refresh-view",
G_CALLBACK(cb_refresh_view), zathura);
/* page view */
#if (GTK_MAJOR_VERSION == 3)
zathura->ui.page_widget = gtk_grid_new();
gtk_grid_set_row_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
gtk_grid_set_column_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
#else
zathura->ui.page_widget = gtk_table_new(0, 0, TRUE);
#endif
if (zathura->ui.page_widget == NULL) {
goto error_free;
}
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "size-allocate", G_CALLBACK(cb_view_resized), zathura);
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
/* Connect hadjustment signals */
g_signal_connect(G_OBJECT(hadjustment), "value-changed",
G_CALLBACK(cb_view_hadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(hadjustment), "changed",
G_CALLBACK(cb_view_hadjustment_changed), zathura);
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
/* Connect vadjustment signals */
g_signal_connect(G_OBJECT(vadjustment), "value-changed",
G_CALLBACK(cb_view_vadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(vadjustment), "changed",
G_CALLBACK(cb_view_vadjustment_changed), zathura);
/* page view alignment */
zathura->ui.page_widget_alignment = gtk_alignment_new(0.5, 0.5, 0, 0);
if (zathura->ui.page_widget_alignment == NULL) {
goto error_free;
}
gtk_container_add(GTK_CONTAINER(zathura->ui.page_widget_alignment), zathura->ui.page_widget);
#if (GTK_MAJOR_VERSION == 3)
gtk_widget_set_hexpand_set(zathura->ui.page_widget_alignment, TRUE);
gtk_widget_set_hexpand(zathura->ui.page_widget_alignment, FALSE);
gtk_widget_set_vexpand_set(zathura->ui.page_widget_alignment, TRUE);
gtk_widget_set_vexpand(zathura->ui.page_widget_alignment, FALSE);
#endif
gtk_widget_show(zathura->ui.page_widget);
/* statusbar */
zathura->ui.statusbar.file = girara_statusbar_item_add(zathura->ui.session, TRUE, TRUE, TRUE, NULL);
if (zathura->ui.statusbar.file == NULL) {
goto error_free;
}
zathura->ui.statusbar.buffer = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.buffer == NULL) {
goto error_free;
}
zathura->ui.statusbar.page_number = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.page_number == NULL) {
goto error_free;
}
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, _("[No name]"));
/* signals */
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), zathura);
/* database */
char* database = NULL;
girara_setting_get(zathura->ui.session, "database", &database);
if (g_strcmp0(database, "plain") == 0) {
girara_debug("Using plain database backend.");
zathura->database = zathura_plaindatabase_new(zathura->config.data_dir);
#ifdef WITH_SQLITE
} else if (g_strcmp0(database, "sqlite") == 0) {
girara_debug("Using sqlite database backend.");
char* tmp = g_build_filename(zathura->config.data_dir, "bookmarks.sqlite", NULL);
zathura->database = zathura_sqldatabase_new(tmp);
g_free(tmp);
#endif
} else {
girara_error("Database backend '%s' is not supported.", database);
}
g_free(database);
if (zathura->database == NULL) {
girara_error("Unable to initialize database. Bookmarks won't be available.");
} else {
g_object_set(zathura->ui.session->command_history, "io", zathura->database, NULL);
}
/* bookmarks */
zathura->bookmarks.bookmarks = girara_sorted_list_new2((girara_compare_function_t) zathura_bookmarks_compare,
(girara_free_function_t) zathura_bookmark_free);
/* jumplist */
int jumplist_size = 20;
girara_setting_get(zathura->ui.session, "jumplist-size", &jumplist_size);
zathura->jumplist.max_size = jumplist_size < 0 ? 0 : jumplist_size;
zathura->jumplist.list = NULL;
zathura->jumplist.size = 0;
zathura->jumplist.cur = NULL;
return true;
error_free:
if (zathura->ui.page_widget != NULL) {
g_object_unref(zathura->ui.page_widget);
}
if (zathura->ui.page_widget_alignment != NULL) {
g_object_unref(zathura->ui.page_widget_alignment);
}
return false;
}
void
zathura_plugin_manager_load(zathura_plugin_manager_t* plugin_manager)
{
if (plugin_manager == NULL || plugin_manager->path == NULL) {
return;
}
GIRARA_LIST_FOREACH(plugin_manager->path, char*, iter, plugindir)
/* read all files in the plugin directory */
GDir* dir = g_dir_open(plugindir, 0, NULL);
if (dir == NULL) {
girara_error("could not open plugin directory: %s", plugindir);
girara_list_iterator_next(iter);
continue;
}
char* name = NULL;
while ((name = (char*) g_dir_read_name(dir)) != NULL) {
char* path = g_build_filename(plugindir, name, NULL);
if (g_file_test(path, G_FILE_TEST_IS_REGULAR) == 0) {
girara_debug("%s is not a regular file. Skipping.", path);
g_free(path);
continue;
}
if (check_suffix(path) == false) {
girara_debug("%s is not a plugin file. Skipping.", path);
g_free(path);
continue;
}
zathura_plugin_t* plugin = NULL;
/* load plugin */
GModule* handle = g_module_open(path, G_MODULE_BIND_LOCAL);
if (handle == NULL) {
girara_error("could not load plugin %s (%s)", path, g_module_error());
g_free(path);
continue;
}
/* resolve symbols and check API and ABI version*/
zathura_plugin_api_version_t api_version = NULL;
if (g_module_symbol(handle, PLUGIN_API_VERSION_FUNCTION, (gpointer*) &api_version) == FALSE ||
api_version == NULL) {
girara_error("could not find '%s' function in plugin %s", PLUGIN_API_VERSION_FUNCTION, path);
g_free(path);
g_module_close(handle);
continue;
}
if (api_version() != ZATHURA_API_VERSION) {
girara_error("plugin %s has been built againt zathura with a different API version (plugin: %d, zathura: %d)",
path, api_version(), ZATHURA_API_VERSION);
g_free(path);
g_module_close(handle);
continue;
}
zathura_plugin_abi_version_t abi_version = NULL;
if (g_module_symbol(handle, PLUGIN_ABI_VERSION_FUNCTION, (gpointer*) &abi_version) == FALSE ||
abi_version == NULL) {
girara_error("could not find '%s' function in plugin %s", PLUGIN_ABI_VERSION_FUNCTION, path);
g_free(path);
g_module_close(handle);
continue;
}
if (abi_version() != ZATHURA_ABI_VERSION) {
girara_error("plugin %s has been built againt zathura with a different ABI version (plugin: %d, zathura: %d)",
path, abi_version(), ZATHURA_ABI_VERSION);
g_free(path);
g_module_close(handle);
continue;
}
zathura_plugin_register_service_t register_service = NULL;
if (g_module_symbol(handle, PLUGIN_REGISTER_FUNCTION, (gpointer*) ®ister_service) == FALSE ||
register_service == NULL) {
girara_error("could not find '%s' function in plugin %s", PLUGIN_REGISTER_FUNCTION, path);
g_free(path);
g_module_close(handle);
continue;
}
plugin = g_try_malloc0(sizeof(zathura_plugin_t));
if (plugin == NULL) {
girara_error("Failed to allocate memory for plugin.");
g_free(path);
g_module_close(handle);
continue;
}
plugin->content_types = girara_list_new2(g_free);
plugin->handle = handle;
register_service(plugin);
/* register functions */
if (plugin->register_function == NULL) {
girara_error("plugin has no document functions register function");
g_free(path);
g_free(plugin);
g_module_close(handle);
continue;
}
plugin->register_function(&(plugin->functions));
plugin->path = path;
bool ret = register_plugin(plugin_manager, plugin);
if (ret == false) {
girara_error("could not register plugin %s", path);
zathura_plugin_free(plugin);
} else {
girara_debug("successfully loaded plugin %s", path);
zathura_plugin_version_function_t plugin_major = NULL, plugin_minor = NULL, plugin_rev = NULL;
g_module_symbol(handle, PLUGIN_VERSION_MAJOR_FUNCTION, (gpointer*) &plugin_major);
g_module_symbol(handle, PLUGIN_VERSION_MINOR_FUNCTION, (gpointer*) &plugin_minor);
g_module_symbol(handle, PLUGIN_VERSION_REVISION_FUNCTION, (gpointer*) &plugin_rev);
if (plugin_major != NULL && plugin_minor != NULL && plugin_rev != NULL) {
plugin->version.major = plugin_major();
plugin->version.minor = plugin_minor();
plugin->version.rev = plugin_rev();
girara_debug("plugin '%s': version %u.%u.%u", path,
plugin->version.major, plugin->version.minor,
plugin->version.rev);
}
}
}
g_dir_close(dir);
GIRARA_LIST_FOREACH_END(zathura->plugins.path, char*, iter, plugindir);
}
void
synctex_highlight_rects(zathura_t* zathura, unsigned int page,
girara_list_t** rectangles)
{
const unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int p = 0; p != number_of_pages; ++p) {
GObject* widget = G_OBJECT(zathura->pages[p]);
g_object_set(widget, "draw-links", FALSE, "search-results", rectangles[p],
NULL);
if (p == page) {
g_object_set(widget, "search-current", 0, NULL);
}
}
document_draw_search_results(zathura, true);
girara_list_t* rect_list = rectangles[page];
if (rect_list == NULL || girara_list_size(rect_list) == 0) {
girara_debug("No rectangles for the given page. Jumping to page %u.", page);
page_set(zathura, page);
return;
}
bool search_hadjust = true;
girara_setting_get(zathura->ui.session, "search-hadjust", &search_hadjust);
/* compute the position of the center of the page */
double pos_x = 0;
double pos_y = 0;
page_number_to_position(zathura->document, page, 0.5, 0.5, &pos_x, &pos_y);
/* correction to center the current result */
/* NOTE: rectangle is in viewport units, already scaled and rotated */
unsigned int cell_height = 0;
unsigned int cell_width = 0;
zathura_document_get_cell_size(zathura->document, &cell_height, &cell_width);
unsigned int doc_height = 0;
unsigned int doc_width = 0;
zathura_document_get_document_size(zathura->document, &doc_height, &doc_width);
/* Need to adjust rectangle to page scale and orientation */
zathura_page_t* doc_page = zathura_document_get_page(zathura->document, page);
zathura_rectangle_t* rect = girara_list_nth(rect_list, 0);
if (rect == NULL) {
girara_debug("List of rectangles is broken. Jumping to page %u.", page);
page_set(zathura, page);
return;
}
zathura_rectangle_t rectangle = recalc_rectangle(doc_page, *rect);
/* compute the center of the rectangle, which will be aligned to the center
of the viewport */
double center_x = (rectangle.x1 + rectangle.x2) / 2;
double center_y = (rectangle.y1 + rectangle.y2) / 2;
pos_y += (center_y - (double)cell_height/2) / (double)doc_height;
if (search_hadjust == true) {
pos_x += (center_x - (double)cell_width/2) / (double)doc_width;
}
/* move to position */
girara_debug("Jumping to page %u position (%f, %f).", page, pos_x, pos_y);
zathura_jumplist_add(zathura);
position_set(zathura, pos_x, pos_y);
zathura_jumplist_add(zathura);
}
void
synctex_edit(zathura_t* zathura, zathura_page_t* page, int x, int y)
{
if (zathura == NULL || page == NULL || zathura->synctex.editor == NULL) {
return;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
return;
}
const char *filename = zathura_document_get_path(document);
if (filename == NULL) {
return;
}
synctex_scanner_t scanner = synctex_scanner_new_with_output_file(filename, NULL, 1);
if (scanner == NULL) {
girara_debug("Failed to create synctex scanner.");
return;
}
synctex_scanner_t temp = synctex_scanner_parse(scanner);
if (temp == NULL) {
girara_debug("Failed to parse synctex file.");
synctex_scanner_free(scanner);
return;
}
if (synctex_edit_query(scanner, zathura_page_get_index(page) + 1, x, y) > 0) {
/* Assume that a backward search returns either at most one result. */
synctex_node_t node = synctex_next_result(scanner);
if (node != NULL) {
const char* input_file = synctex_scanner_get_name(scanner, synctex_node_tag(node));
const int line = synctex_node_line(node);
const int column = synctex_node_column (node);
char* linestr = g_strdup_printf("%d", line);
char* columnstr = g_strdup_printf("%d", column);
gchar** argv = NULL;
gint argc = 0;
if (g_shell_parse_argv(zathura->synctex.editor, &argc, &argv, NULL) == TRUE) {
for (gint i = 0; i != argc; ++i) {
char* temp = girara_replace_substring(argv[i], "%{line}", linestr);
g_free(argv[i]);
argv[i] = temp;
temp = girara_replace_substring(argv[i], "%{column}", columnstr);
g_free(argv[i]);
argv[i] = temp;
temp = girara_replace_substring(argv[i], "%{input}", input_file);
g_free(argv[i]);
argv[i] = temp;
}
g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
g_strfreev(argv);
}
g_free(linestr);
g_free(columnstr);
}
}
synctex_scanner_free(scanner);
}
static const gchar*
guess_type(const char* path)
{
gboolean uncertain;
const gchar* content_type = g_content_type_guess(path, NULL, 0, &uncertain);
if (content_type == NULL) {
return NULL;
}
if (uncertain == FALSE) {
return content_type;
}
girara_debug("g_content_type is uncertain, guess: %s\n", content_type);
FILE* f = fopen(path, "rb");
if (f == NULL) {
return NULL;
}
const int fd = fileno(f);
guchar* content = NULL;
size_t length = 0u;
ssize_t bytes_read = -1;
while (uncertain == TRUE && length < GT_MAX_READ && bytes_read != 0) {
g_free((void*)content_type);
content_type = NULL;
content = g_realloc(content, length + BUFSIZ);
bytes_read = read(fd, content + length, BUFSIZ);
if (bytes_read == -1) {
break;
}
length += bytes_read;
content_type = g_content_type_guess(NULL, content, length, &uncertain);
girara_debug("new guess: %s uncertain: %d, read: %zu\n", content_type, uncertain, length);
}
fclose(f);
g_free(content);
if (uncertain == FALSE) {
return content_type;
}
g_free((void*)content_type);
content_type = NULL;
girara_debug("falling back to file");
GString* command = g_string_new("file -b --mime-type ");
char* tmp = g_shell_quote(path);
g_string_append(command, tmp);
g_free(tmp);
GError* error = NULL;
char* out = NULL;
int ret = 0;
g_spawn_command_line_sync(command->str, &out, NULL, &ret, &error);
g_string_free(command, TRUE);
if (error != NULL) {
girara_warning("failed to execute command: %s", error->message);
g_error_free(error);
g_free(out);
return NULL;
}
if (WEXITSTATUS(ret) != 0) {
girara_warning("file failed with error code: %d", WEXITSTATUS(ret));
g_free(out);
return NULL;
}
g_strdelimit(out, "\n\r", '\0');
return out;
}
static const gchar*
guess_type(const char* path)
{
const gchar* content_type = NULL;
#ifdef WITH_MAGIC
const char* mime_type = NULL;
/* creat magic cookie */
const int flags =
MAGIC_MIME_TYPE |
MAGIC_SYMLINK |
MAGIC_NO_CHECK_APPTYPE |
MAGIC_NO_CHECK_CDF |
MAGIC_NO_CHECK_ELF |
MAGIC_NO_CHECK_ENCODING;
magic_t magic = magic_open(flags);
if (magic == NULL) {
girara_debug("failed creating the magic cookie");
goto cleanup;
}
/* ... and load mime database */
if (magic_load(magic, NULL) < 0) {
girara_debug("failed loading the magic database: %s", magic_error(magic));
goto cleanup;
}
/* get the mime type */
mime_type = magic_file(magic, path);
if (mime_type == NULL) {
girara_debug("failed guessing filetype: %s", magic_error(magic));
goto cleanup;
}
girara_debug("magic detected filetype: %s", mime_type);
content_type = g_strdup(mime_type);
cleanup:
if (magic != NULL) {
magic_close(magic);
}
if (content_type != NULL) {
return content_type;
}
/* else fallback to g_content_type_guess method */
#endif /*WITH_MAGIC*/
gboolean uncertain = FALSE;
content_type = g_content_type_guess(path, NULL, 0, &uncertain);
if (content_type == NULL) {
girara_debug("g_content_type failed\n");
} else {
if (uncertain == FALSE) {
girara_debug("g_content_type detected filetype: %s", content_type);
return content_type;
}
girara_debug("g_content_type is uncertain, guess: %s", content_type);
}
FILE* f = fopen(path, "rb");
if (f == NULL) {
return NULL;
}
const int fd = fileno(f);
guchar* content = NULL;
size_t length = 0u;
ssize_t bytes_read = -1;
while (uncertain == TRUE && length < GT_MAX_READ && bytes_read != 0) {
g_free((void*)content_type);
content_type = NULL;
content = g_realloc(content, length + BUFSIZ);
bytes_read = read(fd, content + length, BUFSIZ);
if (bytes_read == -1) {
break;
}
length += bytes_read;
content_type = g_content_type_guess(NULL, content, length, &uncertain);
girara_debug("new guess: %s uncertain: %d, read: %zu", content_type, uncertain, length);
}
fclose(f);
g_free(content);
if (uncertain == FALSE) {
return content_type;
}
g_free((void*)content_type);
content_type = NULL;
girara_debug("falling back to file");
GString* command = g_string_new("file -b --mime-type ");
char* tmp = g_shell_quote(path);
g_string_append(command, tmp);
g_free(tmp);
GError* error = NULL;
char* out = NULL;
int ret = 0;
g_spawn_command_line_sync(command->str, &out, NULL, &ret, &error);
g_string_free(command, TRUE);
if (error != NULL) {
girara_warning("failed to execute command: %s", error->message);
g_error_free(error);
g_free(out);
return NULL;
}
if (WEXITSTATUS(ret) != 0) {
girara_warning("file failed with error code: %d", WEXITSTATUS(ret));
g_free(out);
return NULL;
}
g_strdelimit(out, "\n\r", '\0');
return out;
}
girara_list_t*
synctex_rectangles_from_position(const char* filename, const char* input_file,
int line, int column, unsigned int* page,
girara_list_t** secondary_rects)
{
if (filename == NULL || input_file == NULL || page == NULL) {
return NULL;
}
synctex_scanner_t scanner = synctex_scanner_new_with_output_file(filename, NULL, 1);
if (scanner == NULL) {
girara_debug("Failed to create synctex scanner.");
return NULL;
}
synctex_scanner_t temp = synctex_scanner_parse(scanner);
if (temp == NULL) {
girara_debug("Failed to parse synctex file.");
synctex_scanner_free(scanner);
return NULL;
}
girara_list_t* hitlist = girara_list_new2(g_free);
girara_list_t* other_rects = girara_list_new2(g_free);
if (synctex_display_query(scanner, input_file, line, column) > 0) {
synctex_node_t node = NULL;
bool got_page = false;
while ((node = synctex_next_result (scanner)) != NULL) {
const unsigned int current_page = synctex_node_page(node) - 1;
if (got_page == false) {
got_page = true;
*page = current_page;
}
zathura_rectangle_t rect = { 0, 0, 0, 0 };
rect.x1 = synctex_node_box_visible_h(node);
rect.y1 = synctex_node_box_visible_v(node) - synctex_node_box_visible_height(node);
rect.x2 = rect.x1 + synctex_node_box_visible_width(node);
rect.y2 = synctex_node_box_visible_depth(node) + synctex_node_box_visible_height (node) + rect.y1;
if (*page == current_page) {
zathura_rectangle_t* real_rect = g_try_malloc(sizeof(zathura_rectangle_t));
if (real_rect == NULL) {
continue;
}
*real_rect = rect;
girara_list_append(hitlist, real_rect);
} else {
synctex_page_rect_t* page_rect = g_try_malloc(sizeof(synctex_page_rect_t));
if (page_rect == NULL) {
continue;
}
page_rect->page = current_page;
page_rect->rect = rect;
girara_list_append(other_rects, page_rect);
}
}
}
synctex_scanner_free(scanner);
if (secondary_rects != NULL) {
*secondary_rects = other_rects;
} else {
girara_list_free(other_rects);
}
return hitlist;
}
bool
zathura_init(zathura_t* zathura)
{
if (zathura == NULL) {
return false;
}
/* create zathura (config/data) directory */
if (g_mkdir_with_parents(zathura->config.config_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.config_dir, strerror(errno));
}
if (g_mkdir_with_parents(zathura->config.data_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.data_dir, strerror(errno));
}
/* load plugins */
zathura_plugin_manager_load(zathura->plugins.manager);
/* configuration */
config_load_default(zathura);
/* load global configuration files */
char* config_path = girara_get_xdg_path(XDG_CONFIG_DIRS);
girara_list_t* config_dirs = girara_split_path_array(config_path);
ssize_t size = girara_list_size(config_dirs) - 1;
for (; size >= 0; --size) {
const char* dir = girara_list_nth(config_dirs, size);
char* file = g_build_filename(dir, ZATHURA_RC, NULL);
config_load_file(zathura, file);
g_free(file);
}
girara_list_free(config_dirs);
g_free(config_path);
config_load_file(zathura, GLOBAL_RC);
/* load local configuration files */
char* configuration_file = g_build_filename(zathura->config.config_dir, ZATHURA_RC, NULL);
config_load_file(zathura, configuration_file);
g_free(configuration_file);
/* UI */
if (girara_session_init(zathura->ui.session, "zathura") == false) {
goto error_free;
}
/* girara events */
zathura->ui.session->events.buffer_changed = cb_buffer_changed;
zathura->ui.session->events.unknown_command = cb_unknown_command;
/* page view */
#if (GTK_MAJOR_VERSION == 3)
zathura->ui.page_widget = gtk_grid_new();
gtk_grid_set_row_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
gtk_grid_set_column_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
#else
zathura->ui.page_widget = gtk_table_new(0, 0, TRUE);
#endif
if (zathura->ui.page_widget == NULL) {
goto error_free;
}
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "size-allocate", G_CALLBACK(cb_view_resized), zathura);
/* Setup hadjustment tracker */
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
zathura->ui.hadjustment = zathura_adjustment_clone(hadjustment);
g_object_ref_sink(zathura->ui.hadjustment);
/* Connect hadjustment signals */
g_signal_connect(G_OBJECT(hadjustment), "value-changed",
G_CALLBACK(cb_view_vadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(hadjustment), "value-changed",
G_CALLBACK(cb_adjustment_track_value), zathura->ui.hadjustment);
g_signal_connect(G_OBJECT(hadjustment), "changed",
G_CALLBACK(cb_view_hadjustment_changed), zathura);
g_signal_connect(G_OBJECT(hadjustment), "changed",
G_CALLBACK(cb_adjustment_track_bounds), zathura->ui.hadjustment);
/* Setup vadjustment tracker */
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
zathura->ui.vadjustment = zathura_adjustment_clone(vadjustment);
g_object_ref_sink(zathura->ui.vadjustment);
/* Connect vadjustment signals */
g_signal_connect(G_OBJECT(vadjustment), "value-changed",
G_CALLBACK(cb_view_vadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(vadjustment), "value-changed",
G_CALLBACK(cb_adjustment_track_value), zathura->ui.vadjustment);
g_signal_connect(G_OBJECT(vadjustment), "changed",
G_CALLBACK(cb_view_vadjustment_changed), zathura);
g_signal_connect(G_OBJECT(vadjustment), "changed",
G_CALLBACK(cb_adjustment_track_bounds), zathura->ui.vadjustment);
/* page view alignment */
zathura->ui.page_widget_alignment = gtk_alignment_new(0.5, 0.5, 0, 0);
if (zathura->ui.page_widget_alignment == NULL) {
goto error_free;
}
gtk_container_add(GTK_CONTAINER(zathura->ui.page_widget_alignment), zathura->ui.page_widget);
#if (GTK_MAJOR_VERSION == 3)
gtk_widget_set_hexpand_set(zathura->ui.page_widget_alignment, TRUE);
gtk_widget_set_hexpand(zathura->ui.page_widget_alignment, FALSE);
gtk_widget_set_vexpand_set(zathura->ui.page_widget_alignment, TRUE);
gtk_widget_set_vexpand(zathura->ui.page_widget_alignment, FALSE);
#endif
gtk_widget_show(zathura->ui.page_widget);
/* statusbar */
zathura->ui.statusbar.file = girara_statusbar_item_add(zathura->ui.session, TRUE, TRUE, TRUE, NULL);
if (zathura->ui.statusbar.file == NULL) {
goto error_free;
}
zathura->ui.statusbar.buffer = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.buffer == NULL) {
goto error_free;
}
zathura->ui.statusbar.page_number = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.page_number == NULL) {
goto error_free;
}
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, _("[No name]"));
/* signals */
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), zathura);
/* set page padding */
int page_padding = 1;
girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
#if (GTK_MAJOR_VERSION == 3)
gtk_grid_set_row_spacing(GTK_GRID(zathura->ui.page_widget), page_padding);
gtk_grid_set_column_spacing(GTK_GRID(zathura->ui.page_widget), page_padding);
#else
gtk_table_set_row_spacings(GTK_TABLE(zathura->ui.page_widget), page_padding);
gtk_table_set_col_spacings(GTK_TABLE(zathura->ui.page_widget), page_padding);
#endif
/* database */
char* database = NULL;
girara_setting_get(zathura->ui.session, "database", &database);
if (g_strcmp0(database, "plain") == 0) {
girara_debug("Using plain database backend.");
zathura->database = zathura_plaindatabase_new(zathura->config.data_dir);
#ifdef WITH_SQLITE
} else if (g_strcmp0(database, "sqlite") == 0) {
girara_debug("Using sqlite database backend.");
char* tmp = g_build_filename(zathura->config.data_dir, "bookmarks.sqlite", NULL);
zathura->database = zathura_sqldatabase_new(tmp);
g_free(tmp);
#endif
} else {
girara_error("Database backend '%s' is not supported.", database);
}
g_free(database);
if (zathura->database == NULL) {
girara_error("Unable to initialize database. Bookmarks won't be available.");
} else {
g_object_set(zathura->ui.session->command_history, "io", zathura->database, NULL);
}
/* bookmarks */
zathura->bookmarks.bookmarks = girara_sorted_list_new2((girara_compare_function_t) zathura_bookmarks_compare,
(girara_free_function_t) zathura_bookmark_free);
/* jumplist */
zathura->jumplist.max_size = 20;
girara_setting_get(zathura->ui.session, "jumplist-size", &(zathura->jumplist.max_size));
zathura->jumplist.list = girara_list_new2(g_free);
zathura->jumplist.size = 0;
zathura->jumplist.cur = NULL;
zathura_jumplist_append_jump(zathura);
zathura->jumplist.cur = girara_list_iterator(zathura->jumplist.list);
/* page cache */
int cache_size = 0;
girara_setting_get(zathura->ui.session, "page-cache-size", &cache_size);
if (cache_size <= 0) {
girara_warning("page-cache-size is not positive, using %d instead", ZATHURA_PAGE_CACHE_DEFAULT_SIZE);
zathura->page_cache.size = ZATHURA_PAGE_CACHE_DEFAULT_SIZE;
} else {
zathura->page_cache.size = cache_size;
}
zathura->page_cache.cache = g_malloc(zathura->page_cache.size * sizeof(int));
zathura_page_cache_invalidate_all(zathura);
return true;
error_free:
if (zathura->ui.page_widget != NULL) {
g_object_unref(zathura->ui.page_widget);
}
if (zathura->ui.page_widget_alignment != NULL) {
g_object_unref(zathura->ui.page_widget_alignment);
}
return false;
}
bool
zathura_init(zathura_t* zathura)
{
if (zathura == NULL) {
return false;
}
/* create zathura (config/data) directory */
if (g_mkdir_with_parents(zathura->config.config_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.config_dir, strerror(errno));
}
if (g_mkdir_with_parents(zathura->config.data_dir, 0771) == -1) {
girara_error("Could not create '%s': %s", zathura->config.data_dir, strerror(errno));
}
/* load plugins */
zathura_plugin_manager_load(zathura->plugins.manager);
/* configuration */
config_load_default(zathura);
config_load_files(zathura);
/* UI */
if (girara_session_init(zathura->ui.session, "zathura") == false) {
goto error_free;
}
/* girara events */
zathura->ui.session->events.buffer_changed = cb_buffer_changed;
zathura->ui.session->events.unknown_command = cb_unknown_command;
/* zathura signals */
zathura->signals.refresh_view = g_signal_new("refresh-view",
GTK_TYPE_WIDGET,
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1,
G_TYPE_POINTER);
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.view), "refresh-view",
G_CALLBACK(cb_refresh_view), zathura);
/* page view */
zathura->ui.page_widget = gtk_grid_new();
gtk_grid_set_row_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
gtk_grid_set_column_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
if (zathura->ui.page_widget == NULL) {
goto error_free;
}
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "size-allocate", G_CALLBACK(cb_view_resized), zathura);
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
/* Connect hadjustment signals */
g_signal_connect(G_OBJECT(hadjustment), "value-changed",
G_CALLBACK(cb_view_hadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(hadjustment), "changed",
G_CALLBACK(cb_view_hadjustment_changed), zathura);
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
/* Connect vadjustment signals */
g_signal_connect(G_OBJECT(vadjustment), "value-changed",
G_CALLBACK(cb_view_vadjustment_value_changed), zathura);
g_signal_connect(G_OBJECT(vadjustment), "changed",
G_CALLBACK(cb_view_vadjustment_changed), zathura);
/* page view alignment */
gtk_widget_set_halign(zathura->ui.page_widget, GTK_ALIGN_CENTER);
gtk_widget_set_valign(zathura->ui.page_widget, GTK_ALIGN_CENTER);
gtk_widget_set_hexpand_set(zathura->ui.page_widget, TRUE);
gtk_widget_set_hexpand(zathura->ui.page_widget, FALSE);
gtk_widget_set_vexpand_set(zathura->ui.page_widget, TRUE);
gtk_widget_set_vexpand(zathura->ui.page_widget, FALSE);
gtk_widget_show(zathura->ui.page_widget);
/* statusbar */
zathura->ui.statusbar.file = girara_statusbar_item_add(zathura->ui.session, TRUE, TRUE, TRUE, NULL);
if (zathura->ui.statusbar.file == NULL) {
goto error_free;
}
zathura->ui.statusbar.buffer = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.buffer == NULL) {
goto error_free;
}
zathura->ui.statusbar.page_number = girara_statusbar_item_add(zathura->ui.session, FALSE, FALSE, FALSE, NULL);
if (zathura->ui.statusbar.page_number == NULL) {
goto error_free;
}
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, _("[No name]"));
/* signals */
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), zathura);
/* database */
char* database = NULL;
girara_setting_get(zathura->ui.session, "database", &database);
if (g_strcmp0(database, "plain") == 0) {
girara_debug("Using plain database backend.");
zathura->database = zathura_plaindatabase_new(zathura->config.data_dir);
#ifdef WITH_SQLITE
} else if (g_strcmp0(database, "sqlite") == 0) {
girara_debug("Using sqlite database backend.");
char* tmp = g_build_filename(zathura->config.data_dir, "bookmarks.sqlite", NULL);
zathura->database = zathura_sqldatabase_new(tmp);
g_free(tmp);
#endif
} else if (g_strcmp0(database, "null") != 0) {
girara_error("Database backend '%s' is not supported.", database);
}
if (zathura->database == NULL && g_strcmp0(database, "null") != 0) {
girara_error("Unable to initialize database. Bookmarks won't be available.");
} else {
g_object_set(G_OBJECT(zathura->ui.session->command_history), "io", zathura->database, NULL);
}
g_free(database);
/* bookmarks */
zathura->bookmarks.bookmarks = girara_sorted_list_new2((girara_compare_function_t) zathura_bookmarks_compare,
(girara_free_function_t) zathura_bookmark_free);
/* jumplist */
int jumplist_size = 20;
girara_setting_get(zathura->ui.session, "jumplist-size", &jumplist_size);
zathura->jumplist.max_size = jumplist_size < 0 ? 0 : jumplist_size;
zathura->jumplist.list = NULL;
zathura->jumplist.size = 0;
zathura->jumplist.cur = NULL;
/* CSS for index mode */
GiraraTemplate* csstemplate = girara_session_get_template(zathura->ui.session);
static const char* index_settings[] = {
"index-fg",
"index-bg",
"index-active-fg",
"index-active-bg"
};
for (size_t s = 0; s < LENGTH(index_settings); ++s) {
girara_template_add_variable(csstemplate, index_settings[s]);
char* tmp_value = NULL;
GdkRGBA rgba = { 0, 0, 0, 0 };
girara_setting_get(zathura->ui.session, index_settings[s], &tmp_value);
if (tmp_value != NULL) {
gdk_rgba_parse(&rgba, tmp_value);
g_free(tmp_value);
}
char* color = gdk_rgba_to_string(&rgba);
girara_template_set_variable_value(csstemplate,
index_settings[s], color);
g_free(color);
}
char* css = g_strdup_printf("%s\n%s", girara_template_get_base(csstemplate), CSS_TEMPLATE_INDEX);
girara_template_set_base(csstemplate, css);
g_free(css);
/* Start D-Bus service */
bool dbus = true;
girara_setting_get(zathura->ui.session, "dbus-service", &dbus);
if (dbus == true) {
zathura->dbus = zathura_dbus_new(zathura);
}
return true;
error_free:
if (zathura->ui.page_widget != NULL) {
g_object_unref(zathura->ui.page_widget);
}
return false;
}