static gint
render_thread_sort(gconstpointer a, gconstpointer b, gpointer data)
{
if (a == NULL || b == NULL || data == NULL) {
return 0;
}
zathura_page_t* page_a = (zathura_page_t*) a;
zathura_page_t* page_b = (zathura_page_t*) b;
zathura_t* zathura = (zathura_t*) data;
unsigned int page_a_index = zathura_page_get_index(page_a);
unsigned int page_b_index = zathura_page_get_index(page_b);
unsigned int last_view_a = 0;
unsigned int last_view_b = 0;
g_object_get(zathura->pages[page_a_index], "last-view", &last_view_a, NULL);
g_object_get(zathura->pages[page_b_index], "last-view", &last_view_b, NULL);
if (last_view_a < last_view_b) {
return -1;
} else if (last_view_a > last_view_b) {
return 1;
}
return 0;
}
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));
}
}
zathura_error_t
ps_page_init(zathura_page_t* page, SpectrePage* spectre_page)
{
if (page == NULL) {
return ZATHURA_ERROR_INVALID_ARGUMENTS;
}
zathura_document_t* document = zathura_page_get_document(page);
SpectreDocument* spectre_document = zathura_document_get_data(document);
SpectrePage* ps_page = spectre_document_get_page(spectre_document, zathura_page_get_index(page));
if (ps_page == NULL) {
return ZATHURA_ERROR_UNKNOWN;
}
int page_width;
int page_height;
spectre_page_get_size(ps_page, &(page_width), &(page_height));
zathura_page_set_width(page, page_width);
zathura_page_set_height(page, page_height);
zathura_page_set_data(page, ps_page);
return ZATHURA_ERROR_OK;
}
zathura_error_t
djvu_page_init(zathura_page_t* page, void* UNUSED(data))
{
if (page == NULL) {
return ZATHURA_ERROR_INVALID_ARGUMENTS;
}
zathura_document_t* document = zathura_page_get_document(page);
djvu_document_t* djvu_document = zathura_document_get_data(document);
ddjvu_status_t status;
ddjvu_pageinfo_t page_info;
unsigned int index = zathura_page_get_index(page);
while ((status = ddjvu_document_get_pageinfo(djvu_document->document, index,
&page_info)) < DDJVU_JOB_OK) {
handle_messages(djvu_document, true);
}
if (status >= DDJVU_JOB_FAILED) {
handle_messages(djvu_document, true);
return ZATHURA_ERROR_UNKNOWN;
}
zathura_page_set_width(page, ZATHURA_DJVU_SCALE * page_info.width);
zathura_page_set_height(page, ZATHURA_DJVU_SCALE * page_info.height);
return ZATHURA_ERROR_OK;
}
void
cb_page_widget_scaled_button_release(ZathuraPage* page_widget, GdkEventButton* event,
void* data)
{
if (event->button != 1 || !(event->state & GDK_CONTROL_MASK)) {
return;
}
zathura_t* zathura = data;
bool synctex = false;
girara_setting_get(zathura->ui.session, "synctex", &synctex);
if (synctex == false) {
return;
}
zathura_page_t* page = zathura_page_widget_get_page(page_widget);
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') {
g_free(editor);
return;
}
synctex_edit(editor, page, event->x, event->y);
g_free(editor);
}
GtkWidget*
zathura_page_get_widget(zathura_t* zathura, zathura_page_t* page)
{
if (zathura == NULL || page == NULL || zathura->pages == NULL) {
return NULL;
}
unsigned int page_number = zathura_page_get_index(page);
return zathura->pages[page_number];
}
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);
}
void
synctex_edit(const char* editor, zathura_page_t* page, int x, int y)
{
if (editor == NULL || page == 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;
}
unsigned int line = 0;
unsigned int column = 0;
char* input_file = NULL;
if (synctex_get_input_line_column(filename, zathura_page_get_index(page), x, y,
&input_file, &line, &column) == true) {
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(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);
g_free(input_file);
}
}
void
synctex_edit(zathura_t* zathura, zathura_page_t* page, int x, int y)
{
zathura_document_t* doc = zathura_page_get_document(page);
const char *filename = zathura_document_get_path(doc);
int pageIdx = zathura_page_get_index(page);
char *buffer = g_strdup_printf("%d:%d:%d:%s", pageIdx+1, x, y, filename);
if (buffer == NULL)
return;
if (zathura->synctex.editor) {
char* argv[] = {"synctex", "edit", "-o", buffer, "-x", zathura->synctex.editor, NULL};
g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
} else {
char* argv[] = {"synctex", "edit", "-o", buffer, NULL};
g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
}
g_free(buffer);
}
void
update_visible_pages(zathura_t* zathura)
{
const unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
ZathuraPage* zathura_page_widget = ZATHURA_PAGE(page_widget);
if (page_is_visible(zathura->document, page_id) == true) {
/* make page visible */
if (zathura_page_get_visibility(page) == false) {
zathura_page_set_visibility(page, true);
zathura_page_widget_update_view_time(zathura_page_widget);
zathura_renderer_page_cache_add(zathura->sync.render_thread, zathura_page_get_index(page));
}
} else {
/* make page invisible */
if (zathura_page_get_visibility(page) == true) {
zathura_page_set_visibility(page, false);
/* If a page becomes invisible, abort the render request. */
zathura_page_widget_abort_render_request(zathura_page_widget);
}
/* reset current search result */
girara_list_t* results = NULL;
GObject* obj_page_widget = G_OBJECT(page_widget);
g_object_get(obj_page_widget, "search-results", &results, NULL);
if (results != NULL) {
g_object_set(obj_page_widget, "search-current", 0, NULL);
}
}
}
}
bool
sc_search(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);
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);
GtkWidget *cur_page_widget = zathura_page_get_widget(zathura, zathura_document_get_page(zathura->document, cur_page));
bool nohlsearch, first_time_after_abort;
gboolean draw;
nohlsearch = first_time_after_abort = false;
draw = FALSE;
girara_setting_get(session, "nohlsearch", &nohlsearch);
if (nohlsearch == false) {
g_object_get(G_OBJECT(cur_page_widget), "draw-search-results", &draw, NULL);
if (draw == false) {
first_time_after_abort = true;
}
document_draw_search_results(zathura, true);
}
int diff = argument->n == FORWARD ? 1 : -1;
if (zathura->global.search_direction == BACKWARD)
diff = -diff;
zathura_page_t* target_page = NULL;
int target_idx = 0;
for (unsigned int page_id = 0; page_id < num_pages; ++page_id) {
int tmp = cur_page + diff * page_id;
zathura_page_t* page = zathura_document_get_page(zathura->document, (tmp + num_pages) % num_pages);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
int num_search_results = 0, current = -1;
g_object_get(G_OBJECT(page_widget), "search-current", ¤t, "search-length", &num_search_results, NULL);
if (num_search_results == 0 || current == -1) {
continue;
}
if (first_time_after_abort == true || (tmp + num_pages) % num_pages != cur_page) {
target_page = page;
target_idx = diff == 1 ? 0 : num_search_results - 1;
break;
}
if (diff == 1 && current < num_search_results - 1) {
/* the next result is on the same page */
target_page = page;
target_idx = current + 1;
} else if (diff == -1 && current > 0) {
target_page = page;
target_idx = current - 1;
} else {
/* the next result is on a different page */
g_object_set(G_OBJECT(page_widget), "search-current", -1, NULL);
for (int npage_id = 1; page_id < num_pages; ++npage_id) {
int ntmp = cur_page + diff * (page_id + npage_id);
zathura_page_t* npage = zathura_document_get_page(zathura->document, (ntmp + 2*num_pages) % num_pages);
GtkWidget* npage_page_widget = zathura_page_get_widget(zathura, npage);
g_object_get(G_OBJECT(npage_page_widget), "search-length", &num_search_results, NULL);
if (num_search_results != 0) {
target_page = npage;
target_idx = diff == 1 ? 0 : num_search_results - 1;
break;
}
}
}
break;
}
if (target_page != NULL) {
girara_list_t* results = NULL;
GtkWidget* page_widget = zathura_page_get_widget(zathura, target_page);
GObject* obj_page_widget = G_OBJECT(page_widget);
g_object_set(obj_page_widget, "search-current", target_idx, NULL);
g_object_get(obj_page_widget, "search-results", &results, NULL);
/* Need to adjust rectangle to page scale and orientation */
zathura_rectangle_t* rect = girara_list_nth(results, target_idx);
zathura_rectangle_t rectangle = recalc_rectangle(target_page, *rect);
bool search_hadjust = true;
girara_setting_get(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, zathura_page_get_index(target_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);
/* 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 */
zathura_jumplist_add(zathura);
position_set(zathura, pos_x, pos_y);
zathura_jumplist_add(zathura);
}
return false;
}
girara_list_t*
djvu_page_links_get(zathura_page_t* page, void* UNUSED(data), zathura_error_t* error)
{
if (page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
goto error_ret;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
goto error_ret;
}
girara_list_t* list = girara_list_new2((girara_free_function_t) zathura_link_free);
if (list == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_OUT_OF_MEMORY;
}
goto error_ret;
}
djvu_document_t* djvu_document = zathura_document_get_data(document);
miniexp_t annotations = miniexp_nil;
while ((annotations = ddjvu_document_get_pageanno(djvu_document->document,
zathura_page_get_index(page))) == miniexp_dummy) {
handle_messages(djvu_document, true);
}
if (annotations == miniexp_nil) {
goto error_free;
}
miniexp_t* hyperlinks = ddjvu_anno_get_hyperlinks(annotations);
for (miniexp_t* iter = hyperlinks; *iter != NULL; iter++) {
if (miniexp_car(*iter) != miniexp_symbol("maparea")) {
continue;
}
miniexp_t inner = miniexp_cdr(*iter);
/* extract url information */
const char* target_string = NULL;
if (miniexp_caar(inner) == miniexp_symbol("url")) {
if (exp_to_str(miniexp_caddr(miniexp_car(inner)), &target_string) == false) {
continue;
}
} else {
if (exp_to_str(miniexp_car(inner), &target_string) == false) {
continue;
}
}
/* skip comment */
inner = miniexp_cdr(inner);
/* extract link area */
inner = miniexp_cdr(inner);
zathura_rectangle_t rect = { 0, 0, 0, 0 };
if (exp_to_rect(miniexp_car(inner), &rect) == false) {
continue;
}
/* update rect */
unsigned int page_height = zathura_page_get_height(page) / ZATHURA_DJVU_SCALE;
rect.x1 = rect.x1 * ZATHURA_DJVU_SCALE;
rect.x2 = rect.x2 * ZATHURA_DJVU_SCALE;
double tmp = rect.y1;
rect.y1 = (page_height - rect.y2) * ZATHURA_DJVU_SCALE;
rect.y2 = (page_height - tmp) * ZATHURA_DJVU_SCALE;
/* create zathura link */
zathura_link_type_t type = ZATHURA_LINK_INVALID;
zathura_link_target_t target = { ZATHURA_LINK_DESTINATION_UNKNOWN, NULL, 0, -1, -1, -1, -1, 0 };;
/* goto page */
if (target_string[0] == '#' && target_string[1] == 'p') {
type = ZATHURA_LINK_GOTO_DEST;
target.page_number = atoi(target_string + 2) - 1;
/* url or other? */
} else if (strstr(target_string, "//") != NULL) {
type = ZATHURA_LINK_URI;
target.value = (char*) target_string;
/* TODO: Parse all different links */
} else {
continue;
}
zathura_link_t* link = zathura_link_new(type, rect, target);
if (link != NULL) {
girara_list_append(list, link);
}
}
return list;
error_free:
if (list != NULL) {
girara_list_free(list);
}
error_ret:
return NULL;
}
bool
sc_search(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);
g_return_val_if_fail(zathura->document != NULL, false);
const int num_pages = zathura_document_get_number_of_pages(zathura->document);
const int cur_page = zathura_document_get_current_page_number(zathura->document);
int diff = argument->n == FORWARD ? 1 : -1;
if (zathura->global.search_direction == BACKWARD)
diff = -diff;
zathura_page_t* target_page = NULL;
int target_idx = 0;
for (int page_id = 0; page_id < num_pages; ++page_id) {
int tmp = cur_page + diff * page_id;
zathura_page_t* page = zathura_document_get_page(zathura->document, (tmp + num_pages) % num_pages);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
int num_search_results = 0, current = -1;
g_object_get(page_widget, "search-current", ¤t,
"search-length", &num_search_results, NULL);
if (num_search_results == 0 || current == -1) {
continue;
}
if (diff == 1 && current < num_search_results - 1) {
/* the next result is on the same page */
target_page = page;
target_idx = current + 1;
} else if (diff == -1 && current > 0) {
target_page = page;
target_idx = current - 1;
} else {
/* the next result is on a different page */
zathura_jumplist_save(zathura);
g_object_set(page_widget, "search-current", -1, NULL);
for (int npage_id = 1; page_id < num_pages; ++npage_id) {
int ntmp = cur_page + diff * (page_id + npage_id);
zathura_page_t* npage = zathura_document_get_page(zathura->document, (ntmp + 2*num_pages) % num_pages);
zathura_document_set_current_page_number(zathura->document, zathura_page_get_index(npage));
GtkWidget* npage_page_widget = zathura_page_get_widget(zathura, npage);
g_object_get(npage_page_widget, "search-length", &num_search_results, NULL);
if (num_search_results != 0) {
target_page = npage;
target_idx = diff == 1 ? 0 : num_search_results - 1;
break;
}
}
zathura_jumplist_add(zathura);
}
break;
}
if (target_page != NULL) {
girara_list_t* results = NULL;
GtkWidget* page_widget = zathura_page_get_widget(zathura, target_page);
g_object_set(page_widget, "search-current", target_idx, NULL);
g_object_get(page_widget, "search-results", &results, NULL);
zathura_rectangle_t* rect = girara_list_nth(results, target_idx);
zathura_rectangle_t rectangle = recalc_rectangle(target_page, *rect);
page_offset_t offset;
page_calculate_offset(zathura, target_page, &offset);
GtkAdjustment* view_vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
int y = offset.y - gtk_adjustment_get_page_size(view_vadjustment) / 2 + rectangle.y1;
set_adjustment(view_vadjustment, y);
bool search_hadjust = true;
girara_setting_get(session, "search-hadjust", &search_hadjust);
if (search_hadjust == true) {
GtkAdjustment* view_hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
int x = offset.x - gtk_adjustment_get_page_size(view_hadjustment) / 2 + rectangle.x1;
set_adjustment(view_hadjustment, x);
}
}
return false;
}
bool
cmd_search(girara_session_t* session, const char* input, girara_argument_t* argument)
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(input != NULL, false);
g_return_val_if_fail(argument != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
if (zathura->document == NULL || strlen(input) == 0) {
return false;
}
bool firsthit = true;
zathura_error_t error = ZATHURA_ERROR_OK;
/* set search direction */
zathura->global.search_direction = argument->n;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
unsigned int current_page_number = zathura_document_get_current_page_number(zathura->document);
/* reset search highlighting */
bool nohlsearch = false;
girara_setting_get(session, "nohlsearch", &nohlsearch);
if (nohlsearch == false) {
document_draw_search_results(zathura, true);
}
/* search pages */
for (unsigned int page_id = 0; page_id < number_of_pages; ++page_id) {
unsigned int index = (page_id + current_page_number) % number_of_pages;
zathura_page_t* page = zathura_document_get_page(zathura->document, index);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
g_object_set(page_widget, "draw-links", FALSE, NULL);
render_lock(zathura->sync.render_thread);
girara_list_t* result = zathura_page_search_text(page, input, &error);
render_unlock(zathura->sync.render_thread);
if (result == NULL || girara_list_size(result) == 0) {
girara_list_free(result);
g_object_set(page_widget, "search-results", NULL, NULL);
if (error == ZATHURA_ERROR_NOT_IMPLEMENTED) {
break;
} else {
continue;
}
}
g_object_set(page_widget, "search-results", result, NULL);
if (firsthit == true) {
if (page_id != 0) {
page_set_delayed(zathura, zathura_page_get_index(page));
}
if (argument->n == BACKWARD) {
/* start at bottom hit in page */
g_object_set(page_widget, "search-current", girara_list_size(result) - 1, NULL);
} else {
g_object_set(page_widget, "search-current", 0, NULL);
}
firsthit = false;
}
}
return true;
}
zathura_error_t
djvu_page_render_cairo(zathura_page_t* page, void* UNUSED(data), cairo_t* cairo,
bool GIRARA_UNUSED(printing))
{
if (page == NULL || cairo == NULL) {
return ZATHURA_ERROR_INVALID_ARGUMENTS;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
return ZATHURA_ERROR_UNKNOWN;
}
/* init ddjvu render data */
djvu_document_t* djvu_document = zathura_document_get_data(document);
ddjvu_page_t* djvu_page = ddjvu_page_create_by_pageno(djvu_document->document, zathura_page_get_index(page));
if (djvu_page == NULL) {
return ZATHURA_ERROR_UNKNOWN;
}
while (!ddjvu_page_decoding_done(djvu_page)) {
handle_messages(djvu_document, true);
}
cairo_surface_t* surface = cairo_get_target(cairo);
if (surface == NULL ||
cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS ||
cairo_surface_get_type(surface) != CAIRO_SURFACE_TYPE_IMAGE) {
ddjvu_page_release(djvu_page);
return ZATHURA_ERROR_UNKNOWN;
}
unsigned int page_width = cairo_image_surface_get_width(surface);
unsigned int page_height = cairo_image_surface_get_height(surface);;
ddjvu_rect_t rrect = { 0, 0, page_width, page_height };
ddjvu_rect_t prect = { 0, 0, page_width, page_height };
char* surface_data = (char*) cairo_image_surface_get_data(surface);
if (surface_data == NULL) {
ddjvu_page_release(djvu_page);
return ZATHURA_ERROR_UNKNOWN;
}
/* render page */
ddjvu_page_render(djvu_page, DDJVU_RENDER_COLOR, &prect, &rrect,
djvu_document->format, cairo_image_surface_get_stride(surface), surface_data);
ddjvu_page_release(djvu_page);
return ZATHURA_ERROR_OK;
}
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);
}
zathura_image_buffer_t*
djvu_page_render(zathura_page_t* page, void* UNUSED(data), zathura_error_t* error)
{
if (page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
return NULL;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
return NULL;
}
/* calculate sizes */
unsigned int page_width = zathura_document_get_scale(document) * zathura_page_get_width(page);
unsigned int page_height = zathura_document_get_scale(document) * zathura_page_get_height(page);
if (page_width == 0 || page_height == 0) {
if (error != NULL) {
*error = ZATHURA_ERROR_UNKNOWN;
}
goto error_out;
}
/* init ddjvu render data */
djvu_document_t* djvu_document = zathura_document_get_data(document);
ddjvu_page_t* djvu_page = ddjvu_page_create_by_pageno(
djvu_document->document, zathura_page_get_index(page));
if (djvu_page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_UNKNOWN;
}
goto error_out;
}
while (!ddjvu_page_decoding_done(djvu_page)) {
handle_messages(djvu_document, true);
}
ddjvu_rect_t rrect = { 0, 0, page_width, page_height };
ddjvu_rect_t prect = { 0, 0, page_width, page_height };
zathura_image_buffer_t* image_buffer =
zathura_image_buffer_create(page_width, page_height);
if (image_buffer == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_OUT_OF_MEMORY;
}
goto error_free;
}
/* set rotation */
ddjvu_page_set_rotation(djvu_page, DDJVU_ROTATE_0);
/* render page */
ddjvu_page_render(djvu_page, DDJVU_RENDER_COLOR, &prect, &rrect,
djvu_document->format, 3 * page_width, (char*) image_buffer->data);
return image_buffer;
error_free:
ddjvu_page_release(djvu_page);
zathura_image_buffer_free(image_buffer);
error_out:
return NULL;
}
