Code

handle the case of no filter primitives
[inkscape.git] / src / sp-namedview.cpp
index 4f9e4e2881aafdb791a77e0f244b7b9908bbef33..da95a8ab70449d9714719d334d15a3226ad46ee9 100644 (file)
@@ -7,6 +7,7 @@
  *   Lauris Kaplinski <lauris@kaplinski.com>
  *   bulia byak <buliabyak@users.sf.net>
  *
+ * Copyright (C) 2006      Johan Engelen <johan@shouraizou.nl>
  * Copyright (C) 1999-2005 Authors
  * Copyright (C) 2000-2001 Ximian, Inc.
  *
@@ -16,6 +17,7 @@
 #include "config.h"
 
 #include "display/canvas-grid.h"
+#include "display/canvas-axonomgrid.h"
 #include "helper/units.h"
 #include "svg/svg-color.h"
 #include "xml/repr.h"
@@ -23,6 +25,7 @@
 #include "document.h"
 #include "desktop-events.h"
 #include "desktop-handles.h"
+#include "event-log.h"
 #include "sp-guide.h"
 #include "sp-item-group.h"
 #include "sp-namedview.h"
@@ -106,6 +109,7 @@ static void sp_namedview_init(SPNamedView *nv)
 {
     nv->editable = TRUE;
     nv->showgrid = FALSE;
+    nv->gridtype = 0;
     nv->showguides = TRUE;
     nv->showborder = TRUE;
     nv->showpageshadow = TRUE;
@@ -132,6 +136,7 @@ static void sp_namedview_build(SPObject *object, SPDocument *document, Inkscape:
     sp_object_read_attr(object, "inkscape:document-units");
     sp_object_read_attr(object, "viewonly");
     sp_object_read_attr(object, "showgrid");
+    sp_object_read_attr(object, "gridtype");
     sp_object_read_attr(object, "showguides");
     sp_object_read_attr(object, "gridtolerance");
     sp_object_read_attr(object, "guidetolerance");
@@ -141,6 +146,8 @@ static void sp_namedview_build(SPObject *object, SPDocument *document, Inkscape:
     sp_object_read_attr(object, "gridoriginy");
     sp_object_read_attr(object, "gridspacingx");
     sp_object_read_attr(object, "gridspacingy");
+    sp_object_read_attr(object, "gridanglex");
+    sp_object_read_attr(object, "gridanglez");
     sp_object_read_attr(object, "gridempspacing");
     sp_object_read_attr(object, "gridcolor");
     sp_object_read_attr(object, "gridempcolor");
@@ -223,6 +230,12 @@ static void sp_namedview_set(SPObject *object, unsigned int key, const gchar *va
             sp_namedview_setup_grid(nv);
             /* Disable grid snaps if the grid is turned off */
             nv->snap_manager.grid.setEnabled(nv->showgrid);
+            nv->snap_manager.axonomgrid.setEnabled(nv->showgrid);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+       case SP_ATTR_GRIDTYPE:
+            nv->gridtype = sp_str_to_bool(value);
+            sp_namedview_setup_grid(nv);
             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
             break;
        case SP_ATTR_SHOWGUIDES:
@@ -293,6 +306,18 @@ static void sp_namedview_set(SPObject *object, unsigned int key, const gchar *va
             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
             break;
        }
+       case SP_ATTR_GRIDANGLEX:
+       case SP_ATTR_GRIDANGLEZ:
+       {
+            unsigned const d = (key == SP_ATTR_GRIDANGLEZ); // 0=X  1=Z
+            nv->gridangle[d] = 30; // 30 deg default
+            if (value) {
+                nv->gridangle[d] = g_ascii_strtod(value, NULL);
+            }
+            sp_namedview_setup_grid(nv);
+            object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
+       }
        case SP_ATTR_GRIDCOLOR:
             nv->gridcolor = (nv->gridcolor & 0xff) | (DEFAULTGRIDCOLOR & 0xffffff00);
             if (value) {
@@ -435,10 +460,12 @@ static void sp_namedview_set(SPObject *object, unsigned int key, const gchar *va
             break;
        case SP_ATTR_INKSCAPE_GRID_BBOX:
             nv->snap_manager.grid.setSnapTo(Inkscape::Snapper::BBOX_POINT, value ? sp_str_to_bool(value) : TRUE);
+            nv->snap_manager.axonomgrid.setSnapTo(Inkscape::Snapper::BBOX_POINT, value ? sp_str_to_bool(value) : TRUE);
             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
             break;
        case SP_ATTR_INKSCAPE_GRID_POINTS:
             nv->snap_manager.grid.setSnapTo(Inkscape::Snapper::SNAP_POINT, value ? sp_str_to_bool(value) : FALSE);
+            nv->snap_manager.axonomgrid.setSnapTo(Inkscape::Snapper::SNAP_POINT, value ? sp_str_to_bool(value) : FALSE);
             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
             break;
        case SP_ATTR_INKSCAPE_GUIDE_BBOX:
@@ -615,11 +642,17 @@ void SPNamedView::show(SPDesktop *desktop)
 
     views = g_slist_prepend(views, desktop);
 
-    SPCanvasItem *item = sp_canvas_item_new(sp_desktop_grid(desktop), SP_TYPE_CGRID, NULL);
+    SPCanvasItem * item = sp_canvas_item_new(sp_desktop_grid(desktop), SP_TYPE_CGRID, NULL);
+    // since we're keeping a copy, we need to bump up the ref count
+    gtk_object_ref(GTK_OBJECT(item));
+    gridviews = g_slist_prepend(gridviews, item);
+
+    item = sp_canvas_item_new(sp_desktop_grid(desktop), SP_TYPE_CAXONOMGRID, NULL);
     // since we're keeping a copy, we need to bump up the ref count
     gtk_object_ref(GTK_OBJECT(item));
     gridviews = g_slist_prepend(gridviews, item);
-    sp_namedview_setup_grid_item(this, item);
+
+    sp_namedview_setup_grid(this);
 }
 
 /*
@@ -674,6 +707,9 @@ void sp_namedview_window_from_document(SPDesktop *desktop)
     if (layer) {
         desktop->setCurrentLayer(layer);
     }
+
+    // FIXME: find a better place to do this
+    desktop->event_log->updateUndoVerbs();
 }
 
 void sp_namedview_document_from_window(SPDesktop *desktop)
@@ -683,8 +719,8 @@ void sp_namedview_document_from_window(SPDesktop *desktop)
     NR::Rect const r = desktop->get_display_area();
 
     // saving window geometry is not undoable
-    gboolean saved = sp_document_get_undo_sensitive(sp_desktop_document(desktop));
-    sp_document_set_undo_sensitive(sp_desktop_document(desktop), FALSE);
+    bool saved = sp_document_get_undo_sensitive(sp_desktop_document(desktop));
+    sp_document_set_undo_sensitive(sp_desktop_document(desktop), false);
 
     sp_repr_set_svg_double(view, "inkscape:zoom", desktop->current_zoom());
     sp_repr_set_svg_double(view, "inkscape:cx", r.midpoint()[NR::X]);
@@ -719,15 +755,11 @@ void SPNamedView::hide(SPDesktop const *desktop)
     GSList *l;
     for (l = gridviews; l != NULL; l = l->next) {
         if (SP_CANVAS_ITEM(l->data)->canvas == sp_desktop_canvas(desktop)) {
-            break;
+            sp_canvas_item_hide(SP_CANVAS_ITEM(l->data));
+            gtk_object_unref(GTK_OBJECT(l->data));
+            gridviews = g_slist_remove(gridviews, l->data);
         }
     }
-
-    g_assert(l);
-
-    sp_canvas_item_hide(SP_CANVAS_ITEM(l->data));
-    gtk_object_unref(GTK_OBJECT(l->data));
-    gridviews = g_slist_remove(gridviews, l->data);
 }
 
 void SPNamedView::activateGuides(gpointer desktop, gboolean active)
@@ -767,8 +799,8 @@ void sp_namedview_toggle_guides(SPDocument *doc, Inkscape::XML::Node *repr)
         v = !v;
     }
 
-    gboolean saved = sp_document_get_undo_sensitive(doc);
-    sp_document_set_undo_sensitive(doc, FALSE);
+    bool saved = sp_document_get_undo_sensitive(doc);
+    sp_document_set_undo_sensitive(doc, false);
 
     sp_repr_set_boolean(repr, "showguides", v);
 
@@ -782,8 +814,8 @@ void sp_namedview_toggle_grid(SPDocument *doc, Inkscape::XML::Node *repr)
     sp_repr_get_boolean(repr, "showgrid", &v);
     v = !v;
 
-    gboolean saved = sp_document_get_undo_sensitive(doc);
-    sp_document_set_undo_sensitive(doc, FALSE);
+    bool saved = sp_document_get_undo_sensitive(doc);
+    sp_document_set_undo_sensitive(doc, false);
 
     sp_repr_set_boolean(repr, "showgrid", v);
 
@@ -791,6 +823,17 @@ void sp_namedview_toggle_grid(SPDocument *doc, Inkscape::XML::Node *repr)
     sp_document_set_undo_sensitive(doc, saved);
 }
 
+void sp_namedview_set_gridtype(bool type, SPDocument *doc, Inkscape::XML::Node *repr)
+{
+    bool saved = sp_document_get_undo_sensitive(doc);
+    sp_document_set_undo_sensitive(doc, false);
+
+    sp_repr_set_boolean(repr, "showgrid", type);
+
+    doc->rroot->setAttribute("sodipodi:modified", "true");
+    sp_document_set_undo_sensitive(doc, saved);
+}
+
 static void sp_namedview_setup_grid(SPNamedView *nv)
 {
     for (GSList *l = nv->gridviews; l != NULL; l = l->next) {
@@ -800,23 +843,37 @@ static void sp_namedview_setup_grid(SPNamedView *nv)
 
 static void sp_namedview_setup_grid_item(SPNamedView *nv, SPCanvasItem *item)
 {
-    if (nv->showgrid) {
+    bool btype = SP_IS_CAXONOMGRID(GTK_OBJECT(item));
+
+    if ( nv->showgrid && (nv->gridtype == btype) ) {
         sp_canvas_item_show(item);
     } else {
         sp_canvas_item_hide(item);
     }
-
+    
     sp_canvas_item_set((GtkObject *) item,
                        "color", nv->gridcolor,
                        "originx", nv->gridorigin[NR::X],
                        "originy", nv->gridorigin[NR::Y],
-                       "spacingx", nv->gridspacing[NR::X],
                        "spacingy", nv->gridspacing[NR::Y],
                        "empcolor", nv->gridempcolor,
                        "empspacing", nv->gridempspacing,
                        NULL);
+    if (!btype){
+        // CGRID
+        sp_canvas_item_set((GtkObject *) item,
+                           "spacingx", nv->gridspacing[NR::X],
+                           NULL);
+    } else {
+        // CAXONOMGRID
+        sp_canvas_item_set((GtkObject *) item,
+                           "anglex", nv->gridangle[0],
+                           "anglez", nv->gridangle[1],
+                           NULL);
+    }
 }
 
+
 gchar const *SPNamedView::getName() const
 {
     SPException ex;