/** Initialize a new diagram data object.
* @param data A diagram data object to initialize.
*/
static void
diagram_data_init(DiagramData *data)
{
Color* color = persistence_register_color ("new_diagram_bgcolour", &color_white);
gboolean compress = persistence_register_boolean ("compress_save", TRUE);
Layer *first_layer;
data->extents.left = 0.0;
data->extents.right = 10.0;
data->extents.top = 0.0;
data->extents.bottom = 10.0;
data->bg_color = *color;
get_paper_info (&data->paper, -1, NULL);
first_layer = new_layer(g_strdup(_("Background")),data);
data->layers = g_ptr_array_new ();
g_ptr_array_add (data->layers, first_layer);
data->active_layer = first_layer;
data->selected_count_private = 0;
data->selected = NULL;
data->is_compressed = compress; /* Overridden by doc */
data->text_edits = NULL;
data->active_text_edit = NULL;
}
static int
fig_read_paper_size(FILE *file, DiagramData *dia, DiaContext *ctx) {
char buf[BUFLEN];
int paper;
if (!fgets(buf, BUFLEN, file)) {
dia_context_add_message_with_errno(ctx, errno, _("Error reading paper size."));
return FALSE;
}
buf[strlen(buf)-1] = 0; /* Remove trailing newline */
g_strstrip(buf); /* And any other whitespace */
if ((paper = find_paper(buf)) != -1) {
get_paper_info(&dia->paper, paper, NULL);
return TRUE;
}
dia_context_add_message(ctx, _("Unknown paper size `%s', using default\n"), buf);
return TRUE;
}
/** Initializes a diagram with standard info and sets it to be called
* 'filename'.
* Returns TRUE if everything went ok, FALSE otherwise.
* Will return FALSE if filename is not a legal string in the current
* encoding.
*/
static gboolean
diagram_init(Diagram *dia, const char *filename)
{
gchar *newfilename = NULL;
GError *error = NULL;
dia->data = &dia->parent_instance; /* compatibility */
dia->pagebreak_color = prefs.new_diagram.pagebreak_color;
get_paper_info (&dia->data->paper, -1, &prefs.new_diagram);
dia->grid.width_x = prefs.grid.x;
dia->grid.width_y = prefs.grid.y;
dia->grid.width_w = prefs.grid.w;
dia->grid.hex_size = 1.0;
dia->grid.colour = prefs.new_diagram.grid_color;
dia->grid.hex = prefs.grid.hex;
dia->grid.visible_x = prefs.grid.vis_x;
dia->grid.visible_y = prefs.grid.vis_y;
dia->grid.dynamic = prefs.grid.dynamic;
dia->grid.major_lines = prefs.grid.major_lines;
dia->guides.nhguides = 0;
dia->guides.hguides = NULL;
dia->guides.nvguides = 0;
dia->guides.vguides = NULL;
if (dia->filename != NULL)
g_free(dia->filename);
/* Make sure the filename is absolute */
if (!g_path_is_absolute(filename)) {
gchar *pwd = g_get_current_dir();
newfilename = g_build_filename(pwd, filename, NULL);
g_free(pwd);
filename = newfilename;
}
/* All Diagram functions assumes filename in filesystem encoding */
dia->filename = g_filename_to_utf8(filename, -1, NULL, NULL, &error);
if (error != NULL) {
message_error(_("Couldn't convert filename '%s' to UTF-8: %s\n"),
dia_message_filename(filename), error->message);
g_error_free(error);
dia->filename = g_strdup(_("Error"));
return FALSE;
}
dia->unsaved = TRUE;
dia->mollified = FALSE;
dia->autosavefilename = NULL;
if (dia->undo)
undo_destroy(dia->undo);
dia->undo = new_undo_stack(dia);
if (!g_list_find(open_diagrams, dia))
open_diagrams = g_list_prepend(open_diagrams, dia);
if (app_is_interactive())
layer_dialog_update_diagram_list();
g_free(newfilename);
g_signal_connect (G_OBJECT(dia), "object_add", G_CALLBACK(_object_add), dia);
g_signal_connect (G_OBJECT(dia), "object_remove", G_CALLBACK(_object_remove), dia);
return TRUE;
}
