Code

Disable the page selector when there's only one page
[inkscape.git] / src / widgets / gradient-vector.cpp
index 83336895041c8f21b8db7b51f6218266d8db4fe4..f1c4e3500437665d8ccc1013367ee5997119fe61 100644 (file)
@@ -6,11 +6,13 @@
  * Authors:
  *   Lauris Kaplinski <lauris@kaplinski.com>
  *   bulia byak <buliabyak@users.sf.net>
+ *   MenTaLguY <mental@rydia.net>
  *
  * Copyright (C) 2001-2002 Lauris Kaplinski
  * Copyright (C) 2001 Ximian, Inc.
  * Copyright (C) 2004 Monash University
  * Copyright (C) 2004 David Turner
+ * Copyright (C) 2006 MenTaLguY
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
  *
@@ -356,6 +358,7 @@ sp_gvs_gradient_activate (GtkMenuItem *mi, SPGradientVectorSelector *gvs)
        if (norm != gr) {
                /* We do extra undo push here */
                /* If handler has already done it, it is just NOP */
+               // FIXME: looks like this is never a valid undo step, consider removing this
            sp_document_done (SP_OBJECT_DOCUMENT (norm), SP_VERB_CONTEXT_GRADIENT,
                              /* TODO: annotate */ "gradient-vector.cpp:350");
        }
@@ -420,8 +423,8 @@ static gint sp_gradient_vector_dialog_delete (GtkWidget *widget, GdkEvent *event
 static void sp_gradient_vector_dialog_destroy (GtkObject *object, gpointer data);
 
 static void sp_gradient_vector_widget_destroy (GtkObject *object, gpointer data);
-static void sp_gradient_vector_gradient_release (SPGradient *gradient, GtkWidget *widget);
-static void sp_gradient_vector_gradient_modified (SPGradient *gradient, guint flags, GtkWidget *widget);
+static void sp_gradient_vector_gradient_release (SPObject *obj, GtkWidget *widget);
+static void sp_gradient_vector_gradient_modified (SPObject *obj, guint flags, GtkWidget *widget);
 static void sp_gradient_vector_color_dragged (SPColorSelector *csel, GtkObject *object);
 static void sp_gradient_vector_color_changed (SPColorSelector *csel, GtkObject *object);
 static void update_stop_list( GtkWidget *mnu, SPGradient *gradient, SPStop *new_stop);
@@ -461,6 +464,9 @@ verify_grad(SPGradient *gradient)
                }
        }
 
+        Inkscape::XML::Document *xml_doc;
+        xml_doc = SP_OBJECT_REPR(gradient)->document();
+
        if (i < 1) {
                gchar c[64];
                sp_svg_write_color (c, 64, 0x00000000);
@@ -470,19 +476,19 @@ verify_grad(SPGradient *gradient)
 
                Inkscape::XML::Node *child;
 
-               child = sp_repr_new ("svg:stop");
+               child = xml_doc->createElement("svg:stop");
                sp_repr_set_css_double(child, "offset", 0.0);
                child->setAttribute("style", os.str().c_str());
                SP_OBJECT_REPR (gradient)->addChild(child, NULL);
 
-               child = sp_repr_new ("svg:stop");
+               child = xml_doc->createElement("svg:stop");
                sp_repr_set_css_double(child, "offset", 1.0);
                child->setAttribute("style", os.str().c_str());
                SP_OBJECT_REPR (gradient)->addChild(child, NULL);
        }
        if (i < 2) {
                sp_repr_set_css_double(SP_OBJECT_REPR(stop), "offset", 0.0);
-               Inkscape::XML::Node *child = SP_OBJECT_REPR(stop)->duplicate();
+               Inkscape::XML::Node *child = SP_OBJECT_REPR(stop)->duplicate(SP_OBJECT_REPR(gradient)->document());
                sp_repr_set_css_double(child, "offset", 1.0);
                SP_OBJECT_REPR(gradient)->addChild(child, SP_OBJECT_REPR (stop));
        }
@@ -653,7 +659,7 @@ offadjustmentChanged( GtkAdjustment *adjustment, GtkWidget *vb)
     sp_repr_set_css_double(SP_OBJECT_REPR(stop), "offset", stop->offset);
 
     sp_document_done (SP_OBJECT_DOCUMENT (stop), SP_VERB_CONTEXT_GRADIENT,
-                     /* TODO: annotate */ "gradient-vector.cpp:642");
+                                                       _("Change gradient stop offset"));
 
        blocked = FALSE;
 }
@@ -695,11 +701,11 @@ sp_grd_ed_add_stop (GtkWidget *widget,  GtkWidget *vb)
        }
 
        if (next != NULL) {
-               new_stop_repr = SP_OBJECT_REPR(stop)->duplicate();
+               new_stop_repr = SP_OBJECT_REPR(stop)->duplicate(SP_OBJECT_REPR(gradient)->document());
                SP_OBJECT_REPR(gradient)->addChild(new_stop_repr, SP_OBJECT_REPR(stop));
        } else {
                next = stop;
-               new_stop_repr = SP_OBJECT_REPR(sp_prev_stop(stop, gradient))->duplicate();
+               new_stop_repr = SP_OBJECT_REPR(sp_prev_stop(stop, gradient))->duplicate(SP_OBJECT_REPR(gradient)->document());
                SP_OBJECT_REPR(gradient)->addChild(new_stop_repr, SP_OBJECT_REPR(sp_prev_stop(stop, gradient)));
        }
 
@@ -717,6 +723,7 @@ sp_grd_ed_add_stop (GtkWidget *widget,  GtkWidget *vb)
        gdouble opacity = (gdouble) SP_RGBA32_A_F (cnew);
        os << "stop-color:" << c << ";stop-opacity:" << opacity <<";";
        SP_OBJECT_REPR (newstop)->setAttribute("style", os.str().c_str());
+    sp_repr_set_css_double( SP_OBJECT_REPR(newstop), "offset", (double)newstop->offset);
 
        sp_gradient_vector_widget_load_gradient (vb, gradient);
        Inkscape::GC::release(new_stop_repr);
@@ -726,7 +733,7 @@ sp_grd_ed_add_stop (GtkWidget *widget,  GtkWidget *vb)
        gtk_widget_set_sensitive (offslide, TRUE);
        gtk_widget_set_sensitive (GTK_WIDGET (offspin), TRUE);
        sp_document_done (SP_OBJECT_DOCUMENT (gradient), SP_VERB_CONTEXT_GRADIENT, 
-                         /* TODO: annotate */ "gradient-vector.cpp:715");
+                         _("Add gradient stop"));
 }
 
 static void
@@ -758,7 +765,7 @@ sp_grd_ed_del_stop (GtkWidget *widget,  GtkWidget *vb)
                sp_gradient_vector_widget_load_gradient (vb, gradient);
                update_stop_list(GTK_WIDGET(mnu), gradient, NULL);
                sp_document_done (SP_OBJECT_DOCUMENT (gradient), SP_VERB_CONTEXT_GRADIENT, 
-                                 /* TODO: annotate */ "gradient-vector.cpp:747");
+                                 _("Delete gradient stop"));
        }
 
 }
@@ -850,8 +857,8 @@ sp_gradient_vector_widget_new (SPGradient *gradient, SPStop *select_stop)
 
 
        /* Signals */
-       gtk_signal_connect (GTK_OBJECT (Offset_adj), "value_changed",
-                                                                                       GTK_SIGNAL_FUNC (offadjustmentChanged), vb);
+       gtk_signal_connect (GTK_OBJECT (Offset_adj), "value_changed", 
+                           GTK_SIGNAL_FUNC (offadjustmentChanged), vb);
 
        // gtk_signal_connect (GTK_OBJECT (slider), "changed",  GTK_SIGNAL_FUNC (offsliderChanged), vb);
        gtk_widget_show (hb);
@@ -954,14 +961,44 @@ sp_gradient_vector_widget_load_gradient (GtkWidget *widget, SPGradient *gradient
        SPGradient *old;
 
        old = (SPGradient*)g_object_get_data (G_OBJECT (widget), "gradient");
+
        if (old != gradient) {
+               sigc::connection *release_connection;
+               sigc::connection *modified_connection;
+
+               release_connection = (sigc::connection *)g_object_get_data(G_OBJECT(widget), "gradient_release_connection");
+               modified_connection = (sigc::connection *)g_object_get_data(G_OBJECT(widget), "gradient_modified_connection");
+
                if (old) {
+                       g_assert( release_connection != NULL );
+                       g_assert( modified_connection != NULL );
+                       release_connection->disconnect();
+                       modified_connection->disconnect();
                        sp_signal_disconnect_by_data (old, widget);
                }
+
                if (gradient) {
-                       g_signal_connect (G_OBJECT (gradient), "release", G_CALLBACK (sp_gradient_vector_gradient_release), widget);
-                       g_signal_connect (G_OBJECT (gradient), "modified", G_CALLBACK (sp_gradient_vector_gradient_modified), widget);
+                       if (!release_connection) {
+                               release_connection = new sigc::connection();
+                       }
+                       if (!modified_connection) {
+                               modified_connection = new sigc::connection();
+                       }
+                       *release_connection = gradient->connectRelease(sigc::bind<1>(sigc::ptr_fun(&sp_gradient_vector_gradient_release), widget));
+                       *modified_connection = gradient->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_gradient_vector_gradient_modified), widget));
+               } else {
+                       if (release_connection) {
+                               delete release_connection;
+                               release_connection = NULL;
+                       }
+                       if (modified_connection) {
+                               delete modified_connection;
+                               modified_connection = NULL;
+                       }
                }
+
+               g_object_set_data(G_OBJECT(widget), "gradient_release_connection", release_connection);
+               g_object_set_data(G_OBJECT(widget), "gradient_modified_connection", modified_connection);
        }
 
        g_object_set_data (G_OBJECT (widget), "gradient", gradient);
@@ -993,8 +1030,8 @@ sp_gradient_vector_widget_load_gradient (GtkWidget *widget, SPGradient *gradient
        // Once the user edits a gradient, it stops being auto-collectable
        if (SP_OBJECT_REPR(gradient)->attribute("inkscape:collect")) {
                SPDocument *document = SP_OBJECT_DOCUMENT (gradient);
-               gboolean saved = sp_document_get_undo_sensitive(document);
-               sp_document_set_undo_sensitive (document, FALSE);
+               bool saved = sp_document_get_undo_sensitive(document);
+               sp_document_set_undo_sensitive (document, false);
                SP_OBJECT_REPR(gradient)->setAttribute("inkscape:collect", NULL);
                sp_document_set_undo_sensitive (document, saved);
        }
@@ -1045,14 +1082,15 @@ sp_gradient_vector_widget_destroy (GtkObject *object, gpointer data)
 }
 
 static void
-sp_gradient_vector_gradient_release (SPGradient *gradient, GtkWidget *widget)
+sp_gradient_vector_gradient_release (SPObject *object, GtkWidget *widget)
 {
        sp_gradient_vector_widget_load_gradient (widget, NULL);
 }
 
 static void
-sp_gradient_vector_gradient_modified (SPGradient *gradient, guint flags, GtkWidget *widget)
+sp_gradient_vector_gradient_modified (SPObject *object, guint flags, GtkWidget *widget)
 {
+       SPGradient *gradient=SP_GRADIENT(object);
        if (!blocked) {
                blocked = TRUE;
                sp_gradient_vector_widget_load_gradient (widget, gradient);
@@ -1086,10 +1124,7 @@ static void sp_gradient_vector_color_dragged(SPColorSelector *csel, GtkObject *o
     csel->base->getColorAlpha(stop->specified_color, &stop->opacity);
     stop->currentColor = false;
 
-       blocked = FALSE;
-    SPColorPreview *cpv = (SPColorPreview *)g_object_get_data (G_OBJECT(gtk_menu_get_active (GTK_MENU(gtk_option_menu_get_menu (mnu)))), "preview");
-    sp_color_preview_set_rgba32(cpv, sp_stop_get_rgba32(stop));
-
+    blocked = FALSE;
 }
 
 static void
@@ -1135,7 +1170,21 @@ sp_gradient_vector_color_changed (SPColorSelector *csel, GtkObject *object)
                //SP_OBJECT_REPR (stop)->setAttribute("style", c);
 
        sp_document_done (SP_OBJECT_DOCUMENT (ngr), SP_VERB_CONTEXT_GRADIENT,
-                         /* TODO: annotate */ "gradient-vector.cpp:1124");
+                         _("Change gradient stop color"));
 
        blocked = FALSE;
+
+       SPColorPreview *cpv = (SPColorPreview *)g_object_get_data (G_OBJECT(gtk_menu_get_active (GTK_MENU(gtk_option_menu_get_menu (mnu)))), "preview");
+       sp_color_preview_set_rgba32(cpv, sp_stop_get_rgba32(stop));
 }
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :