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-rw-r--r--glabels2/src/mdi-child.c363
1 files changed, 363 insertions, 0 deletions
diff --git a/glabels2/src/mdi-child.c b/glabels2/src/mdi-child.c
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+++ b/glabels2/src/mdi-child.c
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+/*
+ * (GLABELS) Label and Business Card Creation program for GNOME
+ *
+ * mdi-child.c: gLabels MDI child module
+ *
+ * Copyright (C) 2001-2002 Jim Evins <evins@snaught.com>.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * This file is based on gedit-mdi-child.c from gedit2:
+ *
+ * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
+ * Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
+ * Copyright (C) 2002 Paolo Maggi
+ *
+ */
+#include <config.h>
+
+#include "mdi-child.h"
+#include "xml-label.h"
+#include "label.h"
+#include "view.h"
+#include "marshal.h"
+#include "debug.h"
+
+struct _glMDIChildPrivate
+{
+ GtkWidget *tab_label;
+};
+
+enum {
+ STATE_CHANGED,
+ UNDO_REDO_STATE_CHANGED,
+ LAST_SIGNAL
+};
+
+static void gl_mdi_child_class_init (glMDIChildClass *klass);
+static void gl_mdi_child_init (glMDIChild *mdi);
+static void gl_mdi_child_finalize (GObject *obj);
+static void gl_mdi_child_destroy (GtkObject *obj);
+
+static void gl_mdi_child_real_state_changed (glMDIChild* child);
+
+static GtkWidget *gl_mdi_child_create_view (BonoboMDIChild *child);
+
+static void gl_mdi_child_document_state_changed_handler (glLabel *label,
+ glMDIChild* child);
+
+static void gl_mdi_child_document_can_undo_redo_handler (glLabel *label,
+ gboolean can, glMDIChild* child);
+
+static gchar* gl_mdi_child_get_config_string (BonoboMDIChild *child, gpointer data);
+
+static BonoboMDIChildClass *parent_class = NULL;
+static guint mdi_child_signals[LAST_SIGNAL] = { 0 };
+
+
+GType
+gl_mdi_child_get_type (void)
+{
+ static GType mdi_child_type = 0;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ if (mdi_child_type == 0)
+ {
+ static const GTypeInfo our_info =
+ {
+ sizeof (glMDIChildClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gl_mdi_child_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (glMDIChild),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gl_mdi_child_init
+ };
+
+ mdi_child_type = g_type_register_static (BONOBO_TYPE_MDI_CHILD,
+ "glMDIChild",
+ &our_info,
+ 0);
+ }
+
+ gl_debug (DEBUG_MDI, "END");
+
+ return mdi_child_type;
+}
+
+static void
+gl_mdi_child_class_init (glMDIChildClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gl_debug (DEBUG_MDI, "START");
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class->finalize = gl_mdi_child_finalize;
+
+ klass->state_changed = gl_mdi_child_real_state_changed;
+ klass->undo_redo_state_changed = NULL;
+
+ mdi_child_signals [STATE_CHANGED] =
+ g_signal_new ("state_changed",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (glMDIChildClass, state_changed),
+ NULL, NULL,
+ gl_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ mdi_child_signals [UNDO_REDO_STATE_CHANGED] =
+ g_signal_new ("undo_redo_state_changed",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (glMDIChildClass, undo_redo_state_changed),
+ NULL, NULL,
+ gl_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ BONOBO_MDI_CHILD_CLASS (klass)->create_view =
+ (BonoboMDIChildViewCreator)(gl_mdi_child_create_view);
+
+ BONOBO_MDI_CHILD_CLASS (klass)->get_config_string =
+ (BonoboMDIChildConfigFunc)(gl_mdi_child_get_config_string);
+
+ gl_debug (DEBUG_MDI, "END");
+}
+
+static void
+gl_mdi_child_init (glMDIChild *child)
+{
+ gl_debug (DEBUG_MDI, "START");
+
+ child->priv = g_new0 (glMDIChildPrivate, 1);
+
+ child->priv->tab_label = NULL;
+
+ gl_debug (DEBUG_MDI, "END");
+}
+
+static void
+gl_mdi_child_finalize (GObject *obj)
+{
+ glMDIChild *child;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ g_return_if_fail (obj != NULL);
+
+ child = GL_MDI_CHILD (obj);
+
+ g_return_if_fail (GL_IS_MDI_CHILD (child));
+ g_return_if_fail (child->priv != NULL);
+
+ if (child->label != NULL)
+ g_object_unref (G_OBJECT (child->label));
+
+ g_free (child->priv);
+
+ G_OBJECT_CLASS (parent_class)->finalize (obj);
+
+ gl_debug (DEBUG_MDI, "END");
+}
+
+static void gl_mdi_child_real_state_changed (glMDIChild* child)
+{
+ gchar* docname = NULL;
+ gchar* tab_name = NULL;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ g_return_if_fail (child != NULL);
+ g_return_if_fail (child->label != NULL);
+
+ docname = gl_label_get_short_name (child->label);
+ g_return_if_fail (docname != NULL);
+
+ if (gl_label_is_modified (child->label))
+ {
+ tab_name = g_strdup_printf ("%s*", docname);
+ }
+ else
+ {
+ tab_name = g_strdup_printf ("%s", docname);
+ }
+
+ g_free (docname);
+
+ g_return_if_fail (tab_name != NULL);
+
+ bonobo_mdi_child_set_name (BONOBO_MDI_CHILD (child), tab_name);
+
+ g_free (tab_name);
+
+ gl_debug (DEBUG_MDI, "END");
+}
+
+static void
+gl_mdi_child_document_state_changed_handler (glLabel *label, glMDIChild* child)
+{
+ gl_debug (DEBUG_MDI, "");
+ g_return_if_fail (child->label == label);
+
+ g_signal_emit (G_OBJECT (child), mdi_child_signals [STATE_CHANGED], 0);
+}
+
+static void
+gl_mdi_child_document_can_undo_redo_handler (glLabel *label, gboolean can,
+ glMDIChild* child)
+{
+ gl_debug (DEBUG_MDI, "");
+ g_return_if_fail (child->label == label);
+
+ g_signal_emit (G_OBJECT (child), mdi_child_signals [UNDO_REDO_STATE_CHANGED], 0);
+}
+
+
+static void
+gl_mdi_child_connect_signals (glMDIChild *child)
+{
+ gl_debug (DEBUG_MDI, "START");
+
+ g_signal_connect (G_OBJECT (child->label), "name_changed",
+ G_CALLBACK (gl_mdi_child_document_state_changed_handler),
+ child);
+ g_signal_connect (G_OBJECT (child->label), "modified_changed",
+ G_CALLBACK (gl_mdi_child_document_state_changed_handler),
+ child);
+#if 0
+ g_signal_connect (G_OBJECT (child->label), "can_undo",
+ G_CALLBACK (gl_mdi_child_document_can_undo_redo_handler),
+ child);
+ g_signal_connect (G_OBJECT (child->label), "can_redo",
+ G_CALLBACK (gl_mdi_child_document_can_undo_redo_handler),
+ child);
+#endif
+
+ gl_debug (DEBUG_MDI, "END");
+}
+
+/**
+ * gl_mdi_child_new:
+ *
+ * Creates a new #glMDIChild object.
+ *
+ * Return value: a new #glMDIChild
+ **/
+glMDIChild*
+gl_mdi_child_new (const gchar *tmplt_name,
+ gboolean rotate_flag)
+{
+ glMDIChild *child;
+ gchar *doc_name;
+ glTemplate *template;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ child = GL_MDI_CHILD (g_object_new (GL_TYPE_MDI_CHILD, NULL));
+ g_return_val_if_fail (child != NULL, NULL);
+
+ child->label = GL_LABEL (gl_label_new ());
+ g_return_val_if_fail (child->label != NULL, NULL);
+
+ template = gl_template_from_name (tmplt_name);
+ gl_label_set_template (child->label, template);
+ gl_template_free (&template);
+ gl_label_set_rotate_flag (child->label, rotate_flag);
+ gl_label_clear_modified (child->label);
+
+ doc_name = gl_label_get_short_name (child->label);
+ bonobo_mdi_child_set_name (BONOBO_MDI_CHILD (child), doc_name);
+ g_free(doc_name);
+
+ gl_mdi_child_connect_signals (child);
+
+ gl_debug (DEBUG_MDI, "END");
+
+ return child;
+}
+
+glMDIChild*
+gl_mdi_child_new_with_uri (const gchar *uri, GError **error)
+{
+ glMDIChild *child;
+ glLabel *doc;
+ glXMLLabelStatus status;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ doc = gl_xml_label_open (uri, &status);
+
+ if (doc == NULL)
+ {
+ return NULL;
+ }
+
+ child = GL_MDI_CHILD (g_object_new (GL_TYPE_MDI_CHILD, NULL));
+ g_return_val_if_fail (child != NULL, NULL);
+
+ child->label = doc;
+ g_return_val_if_fail (child->label != NULL, NULL);
+
+ gl_mdi_child_real_state_changed (child);
+
+ gl_mdi_child_connect_signals (child);
+
+ gl_debug (DEBUG_MDI, "END");
+
+ return child;
+}
+
+static GtkWidget *
+gl_mdi_child_create_view (BonoboMDIChild *child)
+{
+ glView *new_view;
+
+ gl_debug (DEBUG_MDI, "START");
+
+ g_return_val_if_fail (child != NULL, NULL);
+ g_return_val_if_fail (GL_IS_MDI_CHILD (child), NULL);
+
+ new_view = GL_VIEW(gl_view_new (GL_MDI_CHILD (child)->label));
+
+ gtk_widget_show_all (GTK_WIDGET (new_view));
+
+ gl_debug (DEBUG_MDI, "END");
+
+ return GTK_WIDGET (new_view);
+}
+
+static gchar*
+gl_mdi_child_get_config_string (BonoboMDIChild *child, gpointer data)
+{
+ glMDIChild *c;
+
+ gl_debug (DEBUG_MDI, "");
+
+ g_return_val_if_fail (child != NULL, NULL);
+ g_return_val_if_fail (GL_IS_MDI_CHILD (child), NULL);
+
+ c = GL_MDI_CHILD (child);
+
+ return gl_label_get_filename (c->label);
+}
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