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;
}
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;
}
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);
}
