zathura/zathura.c
Sebastian Ramacher 8f61583af7 Style index mode with CSS
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
2014-04-26 23:32:38 +02:00

1448 lines
42 KiB
C

/* See LICENSE file for license and copyright information */
#define _BSD_SOURCE
#define _XOPEN_SOURCE 700
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#include <girara/datastructures.h>
#include <girara/utils.h>
#include <girara/session.h>
#include <girara/statusbar.h>
#include <girara/settings.h>
#include <girara/shortcuts.h>
#include <girara/template.h>
#include <glib/gstdio.h>
#include <glib/gi18n.h>
#ifdef G_OS_UNIX
#include <glib-unix.h>
#endif
#include "bookmarks.h"
#include "callbacks.h"
#include "config.h"
#ifdef WITH_SQLITE
#include "database-sqlite.h"
#endif
#include "database-plain.h"
#include "document.h"
#include "shortcuts.h"
#include "zathura.h"
#include "utils.h"
#include "marks.h"
#include "render.h"
#include "page.h"
#include "page-widget.h"
#include "plugin.h"
#include "adjustment.h"
#include "dbus-interface.h"
#include "css-definitions.h"
typedef struct zathura_document_info_s {
zathura_t* zathura;
const char* path;
const char* password;
int page_number;
const char* mode;
} zathura_document_info_t;
static gboolean document_info_open(gpointer data);
static void zathura_jumplist_reset_current(zathura_t* zathura);
static void zathura_jumplist_append_jump(zathura_t* zathura);
static void zathura_jumplist_save(zathura_t* zathura);
#ifdef G_OS_UNIX
static gboolean zathura_signal_sigterm(gpointer data);
#endif
/* function implementation */
zathura_t*
zathura_create(void)
{
zathura_t* zathura = g_try_malloc0(sizeof(zathura_t));
if (zathura == NULL) {
return NULL;
}
/* global settings */
zathura->global.search_direction = FORWARD;
/* plugins */
zathura->plugins.manager = zathura_plugin_manager_new();
if (zathura->plugins.manager == NULL) {
goto error_out;
}
/* UI */
if ((zathura->ui.session = girara_session_create()) == NULL) {
goto error_out;
}
#ifdef G_OS_UNIX
/* signal handler */
zathura->signals.sigterm = g_unix_signal_add(SIGTERM, zathura_signal_sigterm, zathura);
#endif
zathura->ui.session->global.data = zathura;
return zathura;
error_out:
zathura_free(zathura);
return NULL;
}
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 */
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);
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);
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);
}
g_free(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(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;
/* 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);
}
if (zathura->ui.page_widget_alignment != NULL) {
g_object_unref(zathura->ui.page_widget_alignment);
}
return false;
}
void
zathura_free(zathura_t* zathura)
{
if (zathura == NULL) {
return;
}
document_close(zathura, false);
/* stop D-Bus */
if (zathura->dbus != NULL) {
g_object_unref(zathura->dbus);
zathura->dbus = NULL;
}
if (zathura->ui.session != NULL) {
girara_session_destroy(zathura->ui.session);
}
/* stdin support */
if (zathura->stdin_support.file != NULL) {
g_unlink(zathura->stdin_support.file);
g_free(zathura->stdin_support.file);
}
/* bookmarks */
girara_list_free(zathura->bookmarks.bookmarks);
/* database */
if (zathura->database != NULL) {
g_object_unref(G_OBJECT(zathura->database));
}
/* free print settings */
if (zathura->print.settings != NULL) {
g_object_unref(zathura->print.settings);
}
if (zathura->print.page_setup != NULL) {
g_object_unref(zathura->print.page_setup);
}
/* free registered plugins */
zathura_plugin_manager_free(zathura->plugins.manager);
/* free config variables */
g_free(zathura->config.config_dir);
g_free(zathura->config.data_dir);
/* free jumplist */
if (zathura->jumplist.list != NULL) {
girara_list_free(zathura->jumplist.list);
}
if (zathura->jumplist.cur != NULL) {
girara_list_iterator_free(zathura->jumplist.cur);
}
g_free(zathura);
}
void
zathura_set_xid(zathura_t* zathura, Window xid)
{
g_return_if_fail(zathura != NULL);
zathura->ui.session->gtk.embed = xid;
}
void
zathura_set_config_dir(zathura_t* zathura, const char* dir)
{
g_return_if_fail(zathura != NULL);
if (dir != NULL) {
zathura->config.config_dir = g_strdup(dir);
} else {
gchar* path = girara_get_xdg_path(XDG_CONFIG);
zathura->config.config_dir = g_build_filename(path, "zathura", NULL);
g_free(path);
}
}
void
zathura_set_data_dir(zathura_t* zathura, const char* dir)
{
if (dir != NULL) {
zathura->config.data_dir = g_strdup(dir);
} else {
gchar* path = girara_get_xdg_path(XDG_DATA);
zathura->config.data_dir = g_build_filename(path, "zathura", NULL);
g_free(path);
}
g_return_if_fail(zathura != NULL);
}
void
zathura_set_plugin_dir(zathura_t* zathura, const char* dir)
{
g_return_if_fail(zathura != NULL);
g_return_if_fail(zathura->plugins.manager != NULL);
if (dir != NULL) {
girara_list_t* paths = girara_split_path_array(dir);
GIRARA_LIST_FOREACH(paths, char*, iter, path)
zathura_plugin_manager_add_dir(zathura->plugins.manager, path);
GIRARA_LIST_FOREACH_END(paths, char*, iter, path);
girara_list_free(paths);
} else {
#ifdef ZATHURA_PLUGINDIR
girara_list_t* paths = girara_split_path_array(ZATHURA_PLUGINDIR);
GIRARA_LIST_FOREACH(paths, char*, iter, path)
zathura_plugin_manager_add_dir(zathura->plugins.manager, path);
GIRARA_LIST_FOREACH_END(paths, char*, iter, path);
girara_list_free(paths);
#endif
}
}
void
zathura_set_synctex_editor_command(zathura_t* zathura, const char* command)
{
g_return_if_fail(zathura != NULL);
if (zathura->synctex.editor != NULL) {
g_free(zathura->synctex.editor);
}
if (command != NULL) {
zathura->synctex.editor = g_strdup(command);
} else {
zathura->synctex.editor = NULL;
}
}
void
zathura_set_synctex(zathura_t* zathura, bool value)
{
g_return_if_fail(zathura != NULL);
g_return_if_fail(zathura->ui.session != NULL);
girara_setting_set(zathura->ui.session, "synctex", &value);
}
void
zathura_set_argv(zathura_t* zathura, char** argv)
{
g_return_if_fail(zathura != NULL);
zathura->global.arguments = argv;
}
static gchar*
prepare_document_open_from_stdin(zathura_t* zathura)
{
g_return_val_if_fail(zathura, NULL);
GError* error = NULL;
gchar* file = NULL;
gint handle = g_file_open_tmp("zathura.stdin.XXXXXX", &file, &error);
if (handle == -1) {
if (error != NULL) {
girara_error("Can not create temporary file: %s", error->message);
g_error_free(error);
}
return NULL;
}
// read from stdin and dump to temporary file
int stdinfno = fileno(stdin);
if (stdinfno == -1) {
girara_error("Can not read from stdin.");
close(handle);
g_unlink(file);
g_free(file);
return NULL;
}
char buffer[BUFSIZ];
ssize_t count = 0;
while ((count = read(stdinfno, buffer, BUFSIZ)) > 0) {
if (write(handle, buffer, count) != count) {
girara_error("Can not write to temporary file: %s", file);
close(handle);
g_unlink(file);
g_free(file);
return NULL;
}
}
close(handle);
if (count != 0) {
girara_error("Can not read from stdin.");
g_unlink(file);
g_free(file);
return NULL;
}
return file;
}
static gboolean
document_info_open(gpointer data)
{
zathura_document_info_t* document_info = data;
g_return_val_if_fail(document_info != NULL, FALSE);
if (document_info->zathura != NULL && document_info->path != NULL) {
char* file = NULL;
if (g_strcmp0(document_info->path, "-") == 0) {
file = prepare_document_open_from_stdin(document_info->zathura);
if (file == NULL) {
girara_notify(document_info->zathura->ui.session, GIRARA_ERROR,
_("Could not read file from stdin and write it to a temporary file."));
} else {
document_info->zathura->stdin_support.file = g_strdup(file);
}
} else {
file = g_strdup(document_info->path);
}
if (file != NULL) {
document_open(document_info->zathura, file, document_info->password,
document_info->page_number);
g_free(file);
if (document_info->mode != NULL) {
if (g_strcmp0(document_info->mode, "presentation") == 0) {
sc_toggle_presentation(document_info->zathura->ui.session, NULL, NULL,
0);
} else if (g_strcmp0(document_info->mode, "fullscreen") == 0) {
sc_toggle_fullscreen(document_info->zathura->ui.session, NULL, NULL,
0);
} else {
girara_error("Unknown mode: %s", document_info->mode);
}
}
}
}
g_free(document_info);
return FALSE;
}
bool
document_open(zathura_t* zathura, const char* path, const char* password,
int page_number)
{
if (zathura == NULL || zathura->plugins.manager == NULL || path == NULL) {
goto error_out;
}
gchar* file_uri = NULL;
zathura_error_t error = ZATHURA_ERROR_OK;
zathura_document_t* document = zathura_document_open(zathura->plugins.manager, path, password, &error);
if (document == NULL) {
if (error == ZATHURA_ERROR_INVALID_PASSWORD) {
zathura_password_dialog_info_t* password_dialog_info = malloc(sizeof(zathura_password_dialog_info_t));
if (password_dialog_info != NULL) {
password_dialog_info->zathura = zathura;
if (path != NULL) {
password_dialog_info->path = g_strdup(path);
girara_dialog(zathura->ui.session, "Enter password:", true, NULL,
(girara_callback_inputbar_activate_t) cb_password_dialog, password_dialog_info);
goto error_out;
} else {
free(password_dialog_info);
}
}
goto error_out;
}
if (error == ZATHURA_ERROR_OK ) {
girara_notify(zathura->ui.session, GIRARA_ERROR, _("Unsupported file type. Please install the necessary plugin."));
}
goto error_out;
}
const char* file_path = zathura_document_get_path(document);
unsigned int number_of_pages = zathura_document_get_number_of_pages(document);
if (number_of_pages == 0) {
girara_notify(zathura->ui.session, GIRARA_WARNING,
_("Document does not contain any pages"));
goto error_free;
}
/* read history file */
zathura_fileinfo_t file_info = {
.current_page = 0,
.page_offset = 0,
.scale = 1,
.rotation = 0,
.pages_per_row = 0,
.first_page_column = 0,
.position_x = 0,
.position_y = 0
};
const bool known_file = zathura_db_get_fileinfo(zathura->database, file_path, &file_info);
/* set page offset */
zathura_document_set_page_offset(document, file_info.page_offset);
/* check for valid scale value */
if (file_info.scale <= FLT_EPSILON) {
girara_warning("document info: '%s' has non positive scale", file_path);
zathura_document_set_scale(document, 1);
} else {
zathura_document_set_scale(document, file_info.scale);
}
/* check current page number */
/* if it wasn't specified on the command-line, get it from file_info */
if (page_number == ZATHURA_PAGE_NUMBER_UNSPECIFIED)
page_number = file_info.current_page;
if (page_number < 0)
page_number += number_of_pages;
if ((unsigned)page_number > number_of_pages) {
girara_warning("document info: '%s' has an invalid page number", file_path);
zathura_document_set_current_page_number(document, 0);
} else {
zathura_document_set_current_page_number(document, page_number);
}
/* check for valid rotation */
if (file_info.rotation % 90 != 0) {
girara_warning("document info: '%s' has an invalid rotation", file_path);
zathura_document_set_rotation(document, 0);
} else {
zathura_document_set_rotation(document, file_info.rotation % 360);
}
/* jump to first page if setting enabled */
bool always_first_page = false;
girara_setting_get(zathura->ui.session, "open-first-page", &always_first_page);
if (always_first_page == true) {
zathura_document_set_current_page_number(document, 0);
}
/* apply open adjustment */
char* adjust_open = "best-fit";
if (known_file == false && girara_setting_get(zathura->ui.session, "adjust-open", &(adjust_open)) == true) {
if (g_strcmp0(adjust_open, "best-fit") == 0) {
zathura_document_set_adjust_mode(document, ZATHURA_ADJUST_BESTFIT);
} else if (g_strcmp0(adjust_open, "width") == 0) {
zathura_document_set_adjust_mode(document, ZATHURA_ADJUST_WIDTH);
} else {
zathura_document_set_adjust_mode(document, ZATHURA_ADJUST_NONE);
}
g_free(adjust_open);
} else {
zathura_document_set_adjust_mode(document, ZATHURA_ADJUST_NONE);
}
/* initialize bisect state */
zathura->bisect.start = 0;
zathura->bisect.last_jump = zathura_document_get_current_page_number(document);
zathura->bisect.end = number_of_pages - 1;
/* update statusbar */
bool basename_only = false;
girara_setting_get(zathura->ui.session, "statusbar-basename", &basename_only);
if (basename_only == false) {
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, file_path);
} else {
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, zathura_document_get_basename(document));
}
/* install file monitor */
file_uri = g_filename_to_uri(file_path, NULL, NULL);
if (file_uri == NULL) {
goto error_free;
}
if (zathura->file_monitor.file == NULL) {
zathura->file_monitor.file = g_file_new_for_uri(file_uri);
if (zathura->file_monitor.file == NULL) {
goto error_free;
}
}
if (zathura->file_monitor.monitor == NULL) {
zathura->file_monitor.monitor = g_file_monitor_file(zathura->file_monitor.file, G_FILE_MONITOR_NONE, NULL, NULL);
if (zathura->file_monitor.monitor == NULL) {
goto error_free;
}
g_signal_connect(G_OBJECT(zathura->file_monitor.monitor), "changed", G_CALLBACK(cb_file_monitor), zathura->ui.session);
}
if (zathura->file_monitor.file_path == NULL) {
zathura->file_monitor.file_path = g_strdup(file_path);
if (zathura->file_monitor.file_path == NULL) {
goto error_free;
}
}
if (password != NULL) {
g_free(zathura->file_monitor.password);
zathura->file_monitor.password = g_strdup(password);
if (zathura->file_monitor.password == NULL) {
goto error_free;
}
}
/* create marks list */
zathura->global.marks = girara_list_new2((girara_free_function_t) mark_free);
if (zathura->global.marks == NULL) {
goto error_free;
}
zathura->document = document;
/* page cache size */
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);
cache_size = ZATHURA_PAGE_CACHE_DEFAULT_SIZE;
}
/* threads */
zathura->sync.render_thread = zathura_renderer_new(cache_size);
if (zathura->sync.render_thread == NULL) {
goto error_free;
}
/* set up recolor info in ZathuraRenderer */
char* recolor_dark = NULL;
char* recolor_light = NULL;
girara_setting_get(zathura->ui.session, "recolor-darkcolor", &recolor_dark);
girara_setting_get(zathura->ui.session, "recolor-lightcolor", &recolor_light);
zathura_renderer_set_recolor_colors_str(zathura->sync.render_thread,
recolor_light, recolor_dark);
g_free(recolor_dark);
g_free(recolor_light);
bool recolor = false;
girara_setting_get(zathura->ui.session, "recolor", &recolor);
zathura_renderer_enable_recolor(zathura->sync.render_thread, recolor);
girara_setting_get(zathura->ui.session, "recolor-keephue", &recolor);
zathura_renderer_enable_recolor_hue(zathura->sync.render_thread, recolor);
/* get view port size */
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
const unsigned int view_width = (unsigned int)floor(gtk_adjustment_get_page_size(hadjustment));
zathura_document_set_viewport_width(zathura->document, view_width);
const unsigned int view_height = (unsigned int)floor(gtk_adjustment_get_page_size(vadjustment));
zathura_document_set_viewport_height(zathura->document, view_height);
/* create blank pages */
zathura->pages = calloc(number_of_pages, sizeof(GtkWidget*));
if (zathura->pages == NULL) {
goto error_free;
}
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(document, page_id);
if (page == NULL) {
goto error_free;
}
GtkWidget* page_widget = zathura_page_widget_new(zathura, page);
if (page_widget == NULL) {
goto error_free;
}
g_object_ref(page_widget);
zathura->pages[page_id] = page_widget;
g_signal_connect(G_OBJECT(page_widget), "text-selected",
G_CALLBACK(cb_page_widget_text_selected), zathura);
g_signal_connect(G_OBJECT(page_widget), "image-selected",
G_CALLBACK(cb_page_widget_image_selected), zathura);
}
/* view mode */
unsigned int pages_per_row = 1;
unsigned int first_page_column = 1;
unsigned int page_padding = 1;
girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
if (file_info.pages_per_row > 0) {
pages_per_row = file_info.pages_per_row;
} else {
girara_setting_get(zathura->ui.session, "pages-per-row", &pages_per_row);
}
if (file_info.first_page_column > 0) {
first_page_column = file_info.first_page_column;
} else {
girara_setting_get(zathura->ui.session, "first-page-column", &first_page_column);
}
girara_setting_set(zathura->ui.session, "pages-per-row", &pages_per_row);
girara_setting_set(zathura->ui.session, "first-page-column", &first_page_column);
page_widget_set_mode(zathura, page_padding, pages_per_row, first_page_column);
zathura_document_set_page_layout(zathura->document, page_padding, pages_per_row, first_page_column);
girara_set_view(zathura->ui.session, zathura->ui.page_widget_alignment);
/* bookmarks */
zathura_bookmarks_load(zathura, file_path);
/* jumplist */
if (zathura_jumplist_load(zathura, file_path) == false) {
zathura->jumplist.list = girara_list_new2(g_free);
}
/* update title */
basename_only = false;
girara_setting_get(zathura->ui.session, "window-title-basename", &basename_only);
if (basename_only == false) {
girara_set_window_title(zathura->ui.session, file_path);
} else {
girara_set_window_title(zathura->ui.session, zathura_document_get_basename(document));
}
g_free(file_uri);
/* adjust_view */
adjust_view(zathura);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
/* set widget size */
zathura_page_t* page = zathura_document_get_page(document, page_id);
unsigned int page_height = 0;
unsigned int page_width = 0;
/* adjust_view calls render_all in some cases and render_all calls
* gtk_widget_set_size_request. To be sure that it's really called, do it
* here once again. */
const double height = zathura_page_get_height(page);
const double width = zathura_page_get_width(page);
page_calc_height_width(zathura->document, height, width, &page_height, &page_width, true);
gtk_widget_set_size_request(zathura->pages[page_id], page_width, page_height);
/* show widget */
gtk_widget_show(zathura->pages[page_id]);
}
/* Set page */
page_set(zathura, zathura_document_get_current_page_number(document));
/* Set position (only if restoring from history file) */
if (file_info.current_page == zathura_document_get_current_page_number(document) &&
(file_info.position_x != 0 || file_info.position_y != 0)) {
position_set(zathura, file_info.position_x, file_info.position_y);
}
return true;
error_free:
if (file_uri != NULL) {
g_free(file_uri);
}
zathura_document_free(document);
error_out:
return false;
}
void
document_open_idle(zathura_t* zathura, const char* path, const char* password,
int page_number, const char* mode)
{
if (zathura == NULL || path == NULL) {
return;
}
zathura_document_info_t* document_info = g_try_malloc0(sizeof(zathura_document_info_t));
if (document_info == NULL) {
return;
}
document_info->zathura = zathura;
document_info->path = path;
document_info->password = password;
document_info->page_number = page_number;
document_info->mode = mode;
gdk_threads_add_idle(document_info_open, document_info);
}
bool
document_save(zathura_t* zathura, const char* path, bool overwrite)
{
g_return_val_if_fail(zathura, false);
g_return_val_if_fail(zathura->document, false);
g_return_val_if_fail(path, false);
gchar* file_path = girara_fix_path(path);
/* use current basename if path points to a directory */
if (g_file_test(file_path, G_FILE_TEST_IS_DIR) == TRUE) {
char* basename = g_path_get_basename(zathura_document_get_path(zathura->document));
char* tmp = file_path;
file_path = g_strconcat(file_path, "/", basename, NULL);
g_free(tmp);
g_free(basename);
}
if ((overwrite == false) && g_file_test(file_path, G_FILE_TEST_EXISTS)) {
girara_error("File already exists: %s. Use :write! to overwrite it.", file_path);
g_free(file_path);
return false;
}
zathura_error_t error = zathura_document_save_as(zathura->document, file_path);
g_free(file_path);
return (error == ZATHURA_ERROR_OK) ? true : false;
}
static void
remove_page_from_table(GtkWidget* page, gpointer permanent)
{
if ((bool)permanent == false) {
g_object_ref(G_OBJECT(page));
}
gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(page)), page);
}
bool
document_close(zathura_t* zathura, bool keep_monitor)
{
if (zathura == NULL || zathura->document == NULL) {
return false;
}
/* stop rendering */
zathura_renderer_stop(zathura->sync.render_thread);
/* remove monitor */
if (keep_monitor == false) {
if (zathura->file_monitor.monitor != NULL) {
g_file_monitor_cancel(zathura->file_monitor.monitor);
g_object_unref(zathura->file_monitor.monitor);
zathura->file_monitor.monitor = NULL;
}
if (zathura->file_monitor.file != NULL) {
g_object_unref(zathura->file_monitor.file);
zathura->file_monitor.file = NULL;
}
if (zathura->file_monitor.file_path != NULL) {
g_free(zathura->file_monitor.file_path);
zathura->file_monitor.file_path = NULL;
}
if (zathura->file_monitor.password != NULL) {
g_free(zathura->file_monitor.password);
zathura->file_monitor.password = NULL;
}
}
/* remove marks */
if (zathura->global.marks != NULL) {
girara_list_free(zathura->global.marks);
zathura->global.marks = NULL;
}
/* store file information */
const char* path = zathura_document_get_path(zathura->document);
zathura_fileinfo_t file_info = { 0, 0, 1, 0, 1, 1, 0, 0 };
file_info.current_page = zathura_document_get_current_page_number(zathura->document);
file_info.page_offset = zathura_document_get_page_offset(zathura->document);
file_info.scale = zathura_document_get_scale(zathura->document);
file_info.rotation = zathura_document_get_rotation(zathura->document);
girara_setting_get(zathura->ui.session, "pages-per-row", &(file_info.pages_per_row));
girara_setting_get(zathura->ui.session, "first-page-column", &(file_info.first_page_column));
/* get position */
file_info.position_x = zathura_document_get_position_x(zathura->document);
file_info.position_y = zathura_document_get_position_y(zathura->document);
/* save file info */
zathura_db_set_fileinfo(zathura->database, path, &file_info);
/* save jumplist */
zathura_db_save_jumplist(zathura->database, path, zathura->jumplist.list);
girara_list_iterator_free(zathura->jumplist.cur);
zathura->jumplist.cur = NULL;
girara_list_free(zathura->jumplist.list);
zathura->jumplist.list = NULL;
zathura->jumplist.size = 0;
/* release render thread */
g_object_unref(zathura->sync.render_thread);
zathura->sync.render_thread = NULL;
/* remove widgets */
gtk_container_foreach(GTK_CONTAINER(zathura->ui.page_widget), remove_page_from_table, (gpointer) true);
for (unsigned int i = 0; i < zathura_document_get_number_of_pages(zathura->document); i++) {
g_object_unref(zathura->pages[i]);
}
free(zathura->pages);
zathura->pages = NULL;
/* remove document */
zathura_document_free(zathura->document);
zathura->document = NULL;
/* remove index */
if (zathura->ui.index != NULL) {
g_object_ref_sink(zathura->ui.index);
zathura->ui.index = NULL;
}
gtk_widget_hide(zathura->ui.page_widget);
statusbar_page_number_update(zathura);
if (zathura->ui.session != NULL && zathura->ui.statusbar.file != NULL) {
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, _("[No name]"));
}
/* update title */
girara_set_window_title(zathura->ui.session, "zathura");
return true;
}
bool
page_set(zathura_t* zathura, unsigned int page_id)
{
if (zathura == NULL || zathura->document == NULL) {
goto error_out;
}
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL) {
goto error_out;
}
zathura_document_set_current_page_number(zathura->document, page_id);
/* negative position means auto */
return position_set(zathura, -1, -1);
error_out:
return false;
}
void
statusbar_page_number_update(zathura_t* zathura)
{
if (zathura == NULL || zathura->ui.statusbar.page_number == NULL) {
return;
}
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);
if (zathura->document != NULL) {
char* page_number_text = g_strdup_printf("[%d/%d]", current_page_number + 1, number_of_pages);
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.page_number, page_number_text);
bool page_number_in_window_title = false;
girara_setting_get(zathura->ui.session, "window-title-page", &page_number_in_window_title);
if (page_number_in_window_title == true) {
bool basename_only = false;
girara_setting_get(zathura->ui.session, "window-title-basename", &basename_only);
char* title = g_strdup_printf("%s %s",
(basename_only == true)
? zathura_document_get_basename(zathura->document)
: zathura_document_get_path(zathura->document),
page_number_text);
girara_set_window_title(zathura->ui.session, title);
g_free(title);
}
g_free(page_number_text);
} else {
girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.page_number, "");
}
}
void
page_widget_set_mode(zathura_t* zathura, unsigned int page_padding,
unsigned int pages_per_row, unsigned int first_page_column)
{
/* show at least one page */
if (pages_per_row == 0) {
pages_per_row = 1;
}
/* ensure: 0 < first_page_column <= pages_per_row */
if (first_page_column < 1) {
first_page_column = 1;
}
if (first_page_column > pages_per_row) {
first_page_column = ((first_page_column - 1) % pages_per_row) + 1;
}
if (zathura->document == NULL) {
return;
}
gtk_container_foreach(GTK_CONTAINER(zathura->ui.page_widget), remove_page_from_table, (gpointer)0);
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
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);
for (unsigned int i = 0; i < number_of_pages; i++) {
int x = (i + first_page_column - 1) % pages_per_row;
int y = (i + first_page_column - 1) / pages_per_row;
GtkWidget* page_widget = zathura->pages[i];
GtkWidget* align = gtk_alignment_new(0.5, 0.5, 0, 0);
GtkWidget* parent = gtk_widget_get_parent(page_widget);
if (parent)
{
gtk_container_remove(GTK_CONTAINER(parent), page_widget);
g_object_unref(parent);
}
gtk_container_add(GTK_CONTAINER(align), page_widget);
gtk_grid_attach(GTK_GRID(zathura->ui.page_widget), align, x, y, 1, 1);
}
gtk_widget_show_all(zathura->ui.page_widget);
}
bool
position_set(zathura_t* zathura, double position_x, double position_y)
{
if (zathura == NULL || zathura->document == NULL) {
return false;
}
double comppos_x, comppos_y;
unsigned int page_id = zathura_document_get_current_page_number(zathura->document);
/* xalign = 0.5: center horizontally (with the page, not the document) */
/* yalign = 0.0: align page an viewport edges at the top */
page_number_to_position(zathura->document, page_id, 0.5, 0.0, &comppos_x, &comppos_y);
/* automatic horizontal adjustment */
zathura_adjust_mode_t adjust_mode = zathura_document_get_adjust_mode(zathura->document);
/* negative position_x mean: use the computed value */
if (position_x < 0) {
position_x = comppos_x;
bool zoom_center = false;
girara_setting_get(zathura->ui.session, "zoom-center", &zoom_center);
/* center horizontally */
if (adjust_mode == ZATHURA_ADJUST_BESTFIT ||
adjust_mode == ZATHURA_ADJUST_WIDTH ||
zoom_center) {
position_x = 0.5;
}
}
if (position_y < 0) {
position_y = comppos_y;
}
/* set the position */
zathura_document_set_position_x(zathura->document, position_x);
zathura_document_set_position_y(zathura->document, position_y);
/* trigger a 'change' event for both adjustments */
refresh_view(zathura);
return true;
}
void
refresh_view(zathura_t* zathura) {
g_return_if_fail(zathura != NULL);
/* emit a custom refresh-view signal */
g_signal_emit(zathura->ui.session->gtk.view, zathura->signals.refresh_view,
0, zathura);
}
bool
adjust_view(zathura_t* zathura) {
g_return_val_if_fail(zathura != NULL, false);
if (zathura->ui.page_widget == NULL || zathura->document == NULL) {
goto error_ret;
}
zathura_adjust_mode_t adjust_mode = zathura_document_get_adjust_mode(zathura->document);
if (adjust_mode == ZATHURA_ADJUST_NONE) {
/* there is nothing todo */
goto error_ret;
}
unsigned int cell_height = 0, cell_width = 0;
unsigned int document_height = 0, document_width = 0;
unsigned int view_height = 0, view_width = 0;
zathura_document_get_cell_size(zathura->document, &cell_height, &cell_width);
zathura_document_get_document_size(zathura->document, &document_height, &document_width);
zathura_document_get_viewport_size(zathura->document, &view_height, &view_width);
if (view_height == 0 || view_width == 0 || cell_height == 0 || cell_width == 0) {
goto error_ret;
}
double page_ratio = (double)cell_height / (double)document_width;
double view_ratio = (double)view_height / (double)view_width;
double scale = zathura_document_get_scale(zathura->document);
double newscale = scale;
if (adjust_mode == ZATHURA_ADJUST_WIDTH ||
(adjust_mode == ZATHURA_ADJUST_BESTFIT && page_ratio < view_ratio)) {
newscale = scale * (double)view_width / (double)document_width;
} else if (adjust_mode == ZATHURA_ADJUST_BESTFIT) {
newscale = scale * (double)view_height / (double)cell_height;
} else {
goto error_ret;
}
/* save new scale and recompute cell size */
zathura_document_set_scale(zathura->document, newscale);
unsigned int new_cell_height = 0, new_cell_width = 0;
zathura_document_get_cell_size(zathura->document, &new_cell_height, &new_cell_width);
/* if the change in scale changes page cell dimensions by at least one pixel, render */
if (abs(new_cell_width - cell_width) > 1 ||
abs(new_cell_height - cell_height) > 1) {
render_all(zathura);
refresh_view(zathura);
/* otherwise set the old scale and leave */
} else {
zathura_document_set_scale(zathura->document, scale);
}
error_ret:
return false;
}
bool
zathura_jumplist_has_previous(zathura_t* zathura)
{
return girara_list_iterator_has_previous(zathura->jumplist.cur);
}
bool
zathura_jumplist_has_next(zathura_t* zathura)
{
return girara_list_iterator_has_next(zathura->jumplist.cur);
}
zathura_jump_t*
zathura_jumplist_current(zathura_t* zathura)
{
if (zathura->jumplist.cur != NULL) {
return girara_list_iterator_data(zathura->jumplist.cur);
} else {
return NULL;
}
}
void
zathura_jumplist_forward(zathura_t* zathura)
{
if (girara_list_iterator_has_next(zathura->jumplist.cur)) {
girara_list_iterator_next(zathura->jumplist.cur);
}
}
void
zathura_jumplist_backward(zathura_t* zathura)
{
if (girara_list_iterator_has_previous(zathura->jumplist.cur)) {
girara_list_iterator_previous(zathura->jumplist.cur);
}
}
static void
zathura_jumplist_reset_current(zathura_t* zathura)
{
g_return_if_fail(zathura != NULL && zathura->jumplist.cur != NULL);
while (true) {
if (girara_list_iterator_has_next(zathura->jumplist.cur) == false) {
return;
}
girara_list_iterator_next(zathura->jumplist.cur);
}
}
static void
zathura_jumplist_append_jump(zathura_t* zathura)
{
g_return_if_fail(zathura != NULL && zathura->jumplist.list != NULL);
zathura_jump_t* jump = g_try_malloc0(sizeof(zathura_jump_t));
if (jump == NULL) {
return;
}
jump->page = 0;
jump->x = 0.0;
jump->y = 0.0;
girara_list_append(zathura->jumplist.list, jump);
if (zathura->jumplist.size == 0) {
zathura->jumplist.cur = girara_list_iterator(zathura->jumplist.list);
}
++zathura->jumplist.size;
zathura_jumplist_trim(zathura);
}
void
zathura_jumplist_trim(zathura_t* zathura)
{
g_return_if_fail(zathura != NULL && zathura->jumplist.list != NULL && zathura->jumplist.size != 0);
girara_list_iterator_t* cur = girara_list_iterator(zathura->jumplist.list);
while (zathura->jumplist.size > zathura->jumplist.max_size) {
if (girara_list_iterator_data(cur) == girara_list_iterator_data(zathura->jumplist.cur)) {
girara_list_iterator_free(zathura->jumplist.cur);
zathura->jumplist.cur = NULL;
}
girara_list_iterator_remove(cur);
--zathura->jumplist.size;
}
if (zathura->jumplist.size == 0 || (zathura->jumplist.size != 0 && zathura->jumplist.cur != NULL)) {
girara_list_iterator_free(cur);
} else {
zathura->jumplist.cur = cur;
}
}
void
zathura_jumplist_add(zathura_t* zathura)
{
g_return_if_fail(zathura != NULL && zathura->document != NULL && zathura->jumplist.list != NULL);
unsigned int pagenum = zathura_document_get_current_page_number(zathura->document);
double x = zathura_document_get_position_x(zathura->document);
double y = zathura_document_get_position_y(zathura->document);
if (zathura->jumplist.size != 0) {
zathura_jumplist_reset_current(zathura);
zathura_jump_t* cur = zathura_jumplist_current(zathura);
if (cur != NULL) {
if (cur->page == pagenum && cur->x == x && cur->y == y) {
return;
}
}
}
zathura_jumplist_append_jump(zathura);
zathura_jumplist_reset_current(zathura);
zathura_jumplist_save(zathura);
}
bool
zathura_jumplist_load(zathura_t* zathura, const char* file)
{
g_return_val_if_fail(zathura != NULL && zathura->database != NULL && file != NULL, false);
zathura->jumplist.list = zathura_db_load_jumplist(zathura->database, file);
if (zathura->jumplist.list == NULL) {
girara_error("Failed to load the jumplist from the database");
return false;
}
zathura->jumplist.size = girara_list_size(zathura->jumplist.list);
if (zathura->jumplist.size != 0) {
zathura->jumplist.cur = girara_list_iterator(zathura->jumplist.list);
zathura_jumplist_reset_current(zathura);
zathura_jumplist_trim(zathura);
girara_debug("Loaded the jumplist from the database");
} else {
girara_debug("No jumplist for this file in the database yet");
}
return true;
}
static void
zathura_jumplist_save(zathura_t* zathura)
{
g_return_if_fail(zathura != NULL && zathura->document != NULL);
zathura_jump_t* cur = zathura_jumplist_current(zathura);
unsigned int pagenum = zathura_document_get_current_page_number(zathura->document);
if (cur) {
cur->page = pagenum;
cur->x = zathura_document_get_position_x(zathura->document);
cur->y = zathura_document_get_position_y(zathura->document);
}
}
#ifdef G_OS_UNIX
static gboolean
zathura_signal_sigterm(gpointer data)
{
if (data == NULL) {
return TRUE;
}
zathura_t* zathura = (zathura_t*) data;
cb_destroy(NULL, zathura);
return TRUE;
}
#endif