+++ /dev/null
-/*
- * label.c
- * Copyright (C) 2001-2009 Jim Evins <evins@snaught.com>.
- *
- * This file is part of gLabels.
- *
- * gLabels is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * gLabels is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with gLabels. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <config.h>
-
-#include "label.h"
-
-#include <glib/gi18n.h>
-
-#include "prefs.h"
-#include "file-util.h"
-#include "marshal.h"
-
-#include "debug.h"
-
-
-/*========================================================*/
-/* Private macros and constants. */
-/*========================================================*/
-
-
-/*========================================================*/
-/* Private types. */
-/*========================================================*/
-
-struct _glLabelPrivate {
-
- gchar *filename;
- gint compression;
- gboolean modified_flag;
- gint untitled_instance;
-
- glMerge *merge;
-
- GHashTable *pixbuf_cache;
-};
-
-enum {
- CHANGED,
- NAME_CHANGED,
- MODIFIED_CHANGED,
- MERGE_CHANGED,
- SIZE_CHANGED,
- OBJECT_ADDED,
- LAST_SIGNAL
-};
-
-
-/*========================================================*/
-/* Private globals. */
-/*========================================================*/
-
-static guint signals[LAST_SIGNAL] = {0};
-
-static guint untitled = 0;
-
-
-/*========================================================*/
-/* Private function prototypes. */
-/*========================================================*/
-
-static void gl_label_finalize (GObject *object);
-
-static void object_changed_cb (glLabelObject *object,
- glLabel *label);
-
-static void object_moved_cb (glLabelObject *object,
- gdouble x,
- gdouble y,
- glLabel *label);
-
-
-/*****************************************************************************/
-/* Boilerplate object stuff. */
-/*****************************************************************************/
-G_DEFINE_TYPE (glLabel, gl_label, G_TYPE_OBJECT);
-
-
-static void
-gl_label_class_init (glLabelClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
-
- gl_debug (DEBUG_LABEL, "START");
-
- gl_label_parent_class = g_type_class_peek_parent (class);
-
- object_class->finalize = gl_label_finalize;
-
- signals[CHANGED] =
- g_signal_new ("changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
- signals[NAME_CHANGED] =
- g_signal_new ("name_changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, name_changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
- signals[MODIFIED_CHANGED] =
- g_signal_new ("modified_changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, modified_changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
- signals[MERGE_CHANGED] =
- g_signal_new ("merge_changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, merge_changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
- signals[SIZE_CHANGED] =
- g_signal_new ("size_changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, size_changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
- signals[OBJECT_ADDED] =
- g_signal_new ("object_added",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glLabelClass, object_added),
- NULL, NULL,
- gl_marshal_VOID__OBJECT,
- G_TYPE_NONE,
- 1, G_TYPE_OBJECT);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-static void
-gl_label_init (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- label->template = NULL;
- label->rotate_flag = FALSE;
- label->objects = NULL;
-
- label->priv = g_new0 (glLabelPrivate, 1);
-
- label->priv->filename = NULL;
- label->priv->merge = NULL;
- label->priv->pixbuf_cache = gl_pixbuf_cache_new ();
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-static void
-gl_label_finalize (GObject *object)
-{
- glLabel *label = GL_LABEL (object);
- GList *p, *p_next;
-
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (object && GL_IS_LABEL (object));
-
- for (p = label->objects; p != NULL; p = p_next) {
- p_next = p->next; /* NOTE: p will be left dangling */
- g_object_unref (G_OBJECT(p->data));
- }
-
- lgl_template_free (label->template);
- g_free (label->priv->filename);
- if (label->priv->merge != NULL) {
- g_object_unref (G_OBJECT(label->priv->merge));
- }
- gl_pixbuf_cache_free (label->priv->pixbuf_cache);
-
- g_free (label->priv);
-
- G_OBJECT_CLASS (gl_label_parent_class)->finalize (object);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-GObject *
-gl_label_new (void)
-{
- glLabel *label;
-
- gl_debug (DEBUG_LABEL, "START");
-
- label = g_object_new (gl_label_get_type(), NULL);
-
- label->priv->compression = 9;
-
- label->priv->modified_flag = FALSE;
-
- gl_debug (DEBUG_LABEL, "END");
-
- return G_OBJECT (label);
-}
-
-
-/*****************************************************************************/
-/* Add object to label. */
-/*****************************************************************************/
-void
-gl_label_add_object (glLabel *label,
- glLabelObject *object)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
- g_return_if_fail (object && GL_IS_LABEL_OBJECT (object));
-
- object->parent = label;
- label->objects = g_list_append (label->objects, g_object_ref (object));
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[OBJECT_ADDED], 0, object);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
-
- g_signal_connect (G_OBJECT(object), "changed",
- G_CALLBACK(object_changed_cb), label);
-
- g_signal_connect (G_OBJECT(object), "moved",
- G_CALLBACK(object_moved_cb), label);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/*****************************************************************************/
-/* Remove object from label. */
-/*****************************************************************************/
-void
-gl_label_remove_object (glLabel *label,
- glLabelObject *object)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
- g_return_if_fail (GL_IS_LABEL_OBJECT (object));
-
- object->parent = NULL;
- label->objects = g_list_remove (label->objects, object);
-
- if ( G_OBJECT(label)->ref_count /* not finalized */ ) {
-
- g_signal_handlers_disconnect_by_func (object,
- G_CALLBACK(object_changed_cb),
- label);
- g_signal_handlers_disconnect_by_func (object,
- G_CALLBACK(object_moved_cb),
- label);
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
-
- }
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Object changed callback. */
-/*---------------------------------------------------------------------------*/
-static void
-object_changed_cb (glLabelObject *object,
- glLabel *label)
-{
-
- if ( !label->priv->modified_flag ) {
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- }
-
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-}
-
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. Object moved callback. */
-/*---------------------------------------------------------------------------*/
-static void
-object_moved_cb (glLabelObject *object,
- gdouble x,
- gdouble y,
- glLabel *label)
-{
-
- if ( !label->priv->modified_flag ) {
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- }
-
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-}
-
-
-/****************************************************************************/
-/* Bring label object to front/top. */
-/****************************************************************************/
-void
-gl_label_raise_object_to_top (glLabel *label,
- glLabelObject *object)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- /* Move to end of list, representing front most object */
- label->objects = g_list_remove (label->objects, object);
- label->objects = g_list_append (label->objects, object);
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* Send label object to rear/bottom. */
-/****************************************************************************/
-void
-gl_label_lower_object_to_bottom (glLabel *label,
- glLabelObject *object)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- /* Move to front of list, representing rear most object */
- label->objects = g_list_remove (label->objects, object);
- label->objects = g_list_prepend (label->objects, object);
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* set template. */
-/****************************************************************************/
-extern void
-gl_label_set_template (glLabel *label,
- lglTemplate *template)
-{
- gchar *name;
-
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
- g_return_if_fail (template);
-
- if ((label->template == NULL) ||
- !lgl_template_do_templates_match (template, label->template)) {
-
- lgl_template_free (label->template);
- label->template = lgl_template_dup (template);
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[SIZE_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-
- name = lgl_template_get_name (template);
- gl_prefs_add_recent_template (name);
- g_free (name);
- }
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* set rotate flag. */
-/****************************************************************************/
-extern void
-gl_label_set_rotate_flag (glLabel *label,
- gboolean rotate_flag)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
-
- if (rotate_flag != label->rotate_flag) {
-
- label->rotate_flag = rotate_flag;
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[SIZE_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-
- }
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* Get label size. */
-/****************************************************************************/
-void
-gl_label_get_size (glLabel *label,
- gdouble *w,
- gdouble *h)
-{
- lglTemplate *template;
- const lglTemplateFrame *frame;
-
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
-
- template = label->template;
- if ( !template ) {
- gl_debug (DEBUG_LABEL, "END -- template NULL");
- *w = *h = 0;
- return;
- }
- frame = (lglTemplateFrame *)template->frames->data;
-
- if (!label->rotate_flag) {
- lgl_template_frame_get_size (frame, w, h);
- } else {
- lgl_template_frame_get_size (frame, h, w);
- }
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* set merge information structure. */
-/****************************************************************************/
-extern void
-gl_label_set_merge (glLabel *label,
- glMerge *merge)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (label && GL_IS_LABEL (label));
-
- if ( label->priv->merge != NULL ) {
- g_object_unref (G_OBJECT(label->priv->merge));
- }
- label->priv->merge = gl_merge_dup (merge);
-
- label->priv->modified_flag = TRUE;
-
- g_signal_emit (G_OBJECT(label), signals[MERGE_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- g_signal_emit (G_OBJECT(label), signals[CHANGED], 0);
-
- gl_debug (DEBUG_LABEL, "END");
-}
-
-
-/****************************************************************************/
-/* Get merge information structure. */
-/****************************************************************************/
-glMerge *
-gl_label_get_merge (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_val_if_fail (label && GL_IS_LABEL (label), NULL);
-
- gl_debug (DEBUG_LABEL, "END");
-
- return gl_merge_dup (label->priv->merge);
-}
-
-
-/****************************************************************************/
-/* return filename. */
-/****************************************************************************/
-gchar *
-gl_label_get_filename (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "");
-
- return g_strdup ( label->priv->filename );
-}
-
-
-/****************************************************************************/
-/* return short filename. */
-/****************************************************************************/
-gchar *
-gl_label_get_short_name (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "");
-
- if ( label->priv->filename == NULL ) {
-
- if ( label->priv->untitled_instance == 0 ) {
- label->priv->untitled_instance = ++untitled;
- }
-
- return g_strdup_printf ( "%s %d", _("Untitled"),
- label->priv->untitled_instance );
-
- } else {
- gchar *temp_name, *short_name;
-
- temp_name = g_path_get_basename ( label->priv->filename );
- short_name = gl_file_util_remove_extension (temp_name);
- g_free (temp_name);
-
- return short_name;
- }
-}
-
-
-/****************************************************************************/
-/* Get pixbuf cache. */
-/****************************************************************************/
-GHashTable *
-gl_label_get_pixbuf_cache (glLabel *label)
-{
- return label->priv->pixbuf_cache;
-}
-
-
-/****************************************************************************/
-/* Is label modified? */
-/****************************************************************************/
-gboolean
-gl_label_is_modified (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "return %d", label->priv->modified_flag);
- return label->priv->modified_flag;
-}
-
-
-/****************************************************************************/
-/* Is label untitled? */
-/****************************************************************************/
-gboolean
-gl_label_is_untitled (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "return %d",(label->priv->filename == NULL));
- return (label->priv->filename == NULL);
-}
-
-
-/****************************************************************************/
-/* Can undo? */
-/****************************************************************************/
-gboolean
-gl_label_can_undo (glLabel *label)
-{
- return FALSE;
-}
-
-
-/****************************************************************************/
-/* Can redo? */
-/****************************************************************************/
-gboolean
-gl_label_can_redo (glLabel *label)
-{
- return FALSE;
-}
-
-
-/****************************************************************************/
-/* Set filename. */
-/****************************************************************************/
-void
-gl_label_set_filename (glLabel *label,
- const gchar *filename)
-{
- label->priv->filename = g_strdup (filename);
-
- g_signal_emit (G_OBJECT(label), signals[NAME_CHANGED], 0);
-}
-
-
-/****************************************************************************/
-/* Clear modified flag. */
-/****************************************************************************/
-void
-gl_label_clear_modified (glLabel *label)
-{
-
- if ( label->priv->modified_flag ) {
-
- label->priv->modified_flag = FALSE;
-
- g_signal_emit (G_OBJECT(label), signals[MODIFIED_CHANGED], 0);
- }
-
-}
-
-
-/****************************************************************************/
-/* Set compression level. */
-/****************************************************************************/
-void
-gl_label_set_compression (glLabel *label,
- gint compression)
-{
- gl_debug (DEBUG_LABEL, "set %d", compression);
-
- /* Older versions of libxml2 always return a -1 for documents "read in," so
- * default to 9. Also, default to 9 for anything else out of range. */
- if ((compression < 0) || (compression >9)) {
- compression = 9;
- }
-
- gl_debug (DEBUG_LABEL, "actual set %d", compression);
- label->priv->compression = compression;
-}
-
-
-/****************************************************************************/
-/* Get compression level. */
-/****************************************************************************/
-gint
-gl_label_get_compression (glLabel *label)
-{
- gl_debug (DEBUG_LABEL, "return %d", label->priv->compression);
- return label->priv->compression;
-}
-
-
-/****************************************************************************/
-/* Draw label. */
-/****************************************************************************/
-void
-gl_label_draw (glLabel *label,
- cairo_t *cr,
- gboolean screen_flag,
- glMergeRecord *record)
-{
- GList *p_obj;
- glLabelObject *object;
-
- g_return_if_fail (label && GL_IS_LABEL (label));
-
- for (p_obj = label->objects; p_obj != NULL; p_obj = p_obj->next)
- {
- object = GL_LABEL_OBJECT (p_obj->data);
-
- gl_label_object_draw (object, cr, screen_flag, record);
- }
-}
-
-
-
-
-/*
- * Local Variables: -- emacs
- * mode: C -- emacs
- * c-basic-offset: 8 -- emacs
- * tab-width: 8 -- emacs
- * indent-tabs-mode: nil -- emacs
- * End: -- emacs
- */
projects / glabels / blobdiff