src/selection-describer.cpp

   1 /*
   2  * Inkscape::SelectionDescriber - shows messages describing selection
   3  *
   4  * Authors:
   5  *   MenTaLguY <mental@rydia.net>
   6  *   bulia byak <buliabyak@users.sf.net>
   7  *
   8  * Copyright (C) 2004-2006 Authors
   9  *
  10  * Released under GNU GPL, read the file 'COPYING' for more information
  11  */
  12
  13 #ifdef HAVE_CONFIG_H
  14 # include "config.h"
  15 #endif
  16
  17 #include <glibmm/i18n.h>
  18 #include "xml/quote.h"
  19 #include "selection.h"
  20 #include "selection-describer.h"
  21 #include "desktop.h"
  22 #include "sp-textpath.h"
  23 #include "sp-offset.h"
  24 #include "sp-flowtext.h"
  25 #include "sp-use.h"
  26 #include "sp-rect.h"
  27 #include "box3d.h"
  28 #include "sp-ellipse.h"
  29 #include "sp-star.h"
  30 #include "sp-anchor.h"
  31 #include "sp-image.h"
  32 #include "sp-path.h"
  33 #include "sp-line.h"
  34 #include "sp-use.h"
  35 #include "sp-polyline.h"
  36 #include "sp-spiral.h"
  37
  38 const gchar *
  39 type2term(GType type)
  40 {
  41     if (type == SP_TYPE_ANCHOR)
  42         //TRANSLATORS: only translate "string" in "context|string".
  43         // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
  44         // "Link" means internet link (anchor)
  45         { return Q_("web|Link"); }
  46     if (type == SP_TYPE_CIRCLE)
  47         { return _("Circle"); }
  48     if (type == SP_TYPE_ELLIPSE)
  49         { return _("Ellipse"); }
  50     if (type == SP_TYPE_FLOWTEXT)
  51         { return _("Flowed text"); }
  52     if (type == SP_TYPE_GROUP)
  53         { return _("Group"); }
  54     if (type == SP_TYPE_IMAGE)
  55         { return _("Image"); }
  56     if (type == SP_TYPE_LINE)
  57         { return _("Line"); }
  58     if (type == SP_TYPE_PATH)
  59         { return _("Path"); }
  60     if (type == SP_TYPE_POLYGON)
  61         { return _("Polygon"); }
  62     if (type == SP_TYPE_POLYLINE)
  63         { return _("Polyline"); }
  64     if (type == SP_TYPE_RECT)
  65         { return _("Rectangle"); }
  66     if (type == SP_TYPE_BOX3D)
  67         { return _("3D Box"); }
  68     if (type == SP_TYPE_TEXT)
  69         { return _("Text"); }
  70     if (type == SP_TYPE_USE)
  71         // TRANSLATORS: only translate "string" in "context|string".
  72         // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
  73         // "Clone" is a noun, type of object
  74         { return Q_("object|Clone"); }
  75     if (type == SP_TYPE_ARC)
  76         { return _("Ellipse"); }
  77     if (type == SP_TYPE_OFFSET)
  78         { return _("Offset path"); }
  79     if (type == SP_TYPE_SPIRAL)
  80         { return _("Spiral"); }
  81     if (type == SP_TYPE_STAR)
  82         { return _("Star"); }
  83     return NULL;
  84 }
  85
  86 GSList *collect_terms (GSList *items)
  87 {
  88     GSList *r = NULL;
  89     for (GSList *i = items; i != NULL; i = i->next) {
  90         const gchar *term = type2term (G_OBJECT_TYPE(i->data));
  91         if (term != NULL && g_slist_find (r, term) == NULL)
  92             r = g_slist_prepend (r, (void *) term);
  93     }
  94     return r;
  95 }
  96
  97
  98 namespace Inkscape {
  99
 100 SelectionDescriber::SelectionDescriber(Inkscape::Selection *selection, MessageStack *stack)
 101 : _context(stack)
 102 {
 103     _selection_changed_connection = new sigc::connection (
 104              selection->connectChanged(
 105                  sigc::mem_fun(*this, &SelectionDescriber::_updateMessageFromSelection)));
 106     _selection_modified_connection = new sigc::connection (
 107              selection->connectModified(
 108                  sigc::mem_fun(*this, &SelectionDescriber::_selectionModified)));
 109     _updateMessageFromSelection(selection);
 110 }
 111
 112 SelectionDescriber::~SelectionDescriber()
 113 {
 114     _selection_changed_connection->disconnect();
 115     _selection_modified_connection->disconnect();
 116     delete _selection_changed_connection;
 117     delete _selection_modified_connection;
 118 }
 119
 120 void SelectionDescriber::_selectionModified(Inkscape::Selection *selection, guint /*flags*/)
 121 {
 122     _updateMessageFromSelection(selection);
 123 }
 124
 125 void SelectionDescriber::_updateMessageFromSelection(Inkscape::Selection *selection) {
 126     GSList const *items = selection->itemList();
 127
 128     char const *when_selected = _("Click selection to toggle scale/rotation handles");
 129     if (!items) { // no items
 130         _context.set(Inkscape::NORMAL_MESSAGE, _("No objects selected. Click, Shift+click, or drag around objects to select."));
 131     } else {
 132         SPItem *item = SP_ITEM(items->data);
 133         SPObject *layer = selection->desktop()->layerForObject (SP_OBJECT (item));
 134         SPObject *root = selection->desktop()->currentRoot();
 135
 136         // Layer name
 137         gchar *layer_name;
 138         if (layer == root) {
 139             layer_name = g_strdup(_("root"));
 140         } else {
 141             char const *layer_label;
 142             bool is_label = false;
 143             if (layer && layer->label()) {
 144                 layer_label = layer->label();
 145                 is_label = true;
 146             } else {
 147                 layer_label = layer->defaultLabel();
 148             }
 149             char *quoted_layer_label = xml_quote_strdup(layer_label);
 150             if (is_label) {
 151                 layer_name = g_strdup_printf(_("layer <b>%s</b>"), quoted_layer_label);
 152             } else {
 153                 layer_name = g_strdup_printf(_("layer <b><i>%s</i></b>"), quoted_layer_label);
 154             }
 155             g_free(quoted_layer_label);
 156         }
 157
 158         // Parent name
 159         SPObject *parent = SP_OBJECT_PARENT (item);
 160         gchar *parent_label = SP_OBJECT_ID(parent);
 161         char *quoted_parent_label = xml_quote_strdup(parent_label);
 162         gchar *parent_name = g_strdup_printf(_("<i>%s</i>"), quoted_parent_label);
 163         g_free(quoted_parent_label);
 164
 165         gchar *in_phrase;
 166         guint num_layers = selection->numberOfLayers();
 167         guint num_parents = selection->numberOfParents();
 168         if (num_layers == 1) {
 169             if (num_parents == 1) {
 170                 if (layer == parent)
 171                     in_phrase = g_strdup_printf(_(" in %s"), layer_name);
 172                 else
 173                     in_phrase = g_strdup_printf(_(" in group %s (%s)"), parent_name, layer_name);
 174             } else {
 175                     in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> parents (%s)", " in <b>%i</b> parents (%s)", num_parents), num_parents, layer_name);
 176             }
 177         } else {
 178             in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> layers", " in <b>%i</b> layers", num_layers), num_layers);
 179         }
 180         g_free (layer_name);
 181         g_free (parent_name);
 182
 183         if (!items->next) { // one item
 184             char *item_desc = sp_item_description(item);
 185             if (SP_IS_USE(item) || (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref)) {
 186                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 187                               item_desc, in_phrase,
 188                               _("Use <b>Shift+D</b> to look up original"), when_selected);
 189             } else if (SP_IS_TEXT_TEXTPATH(item)) {
 190                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 191                               item_desc, in_phrase,
 192                               _("Use <b>Shift+D</b> to look up path"), when_selected);
 193             } else if (SP_IS_FLOWTEXT(item) && !SP_FLOWTEXT(item)->has_internal_frame()) {
 194                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 195                               item_desc, in_phrase,
 196                               _("Use <b>Shift+D</b> to look up frame"), when_selected);
 197             } else {
 198                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s.",
 199                               item_desc, in_phrase, when_selected);
 200             }
 201             g_free(item_desc);
 202         } else { // multiple items
 203             int object_count = g_slist_length((GSList *)items);
 204
 205             const gchar *objects_str = NULL;
 206             GSList *terms = collect_terms ((GSList *)items);
 207             int n_terms = g_slist_length(terms);
 208             if (n_terms == 0) {
 209                 objects_str = g_strdup_printf (
 210                     // this is only used with 2 or more objects
 211                     ngettext("<b>%i</b> object selected", "<b>%i</b> objects selected", object_count),
 212                     object_count);
 213             } else if (n_terms == 1) {
 214                 objects_str = g_strdup_printf (
 215                     // this is only used with 2 or more objects
 216                     ngettext("<b>%i</b> object of type <b>%s</b>", "<b>%i</b> objects of type <b>%s</b>", object_count),
 217                     object_count, (gchar *) terms->data);
 218             } else if (n_terms == 2) {
 219                 objects_str = g_strdup_printf (
 220                     // this is only used with 2 or more objects
 221                     ngettext("<b>%i</b> object of types <b>%s</b>, <b>%s</b>", "<b>%i</b> objects of types <b>%s</b>, <b>%s</b>", object_count),
 222                     object_count, (gchar *) terms->data, (gchar *) terms->next->data);
 223             } else if (n_terms == 3) {
 224                 objects_str = g_strdup_printf (
 225                     // this is only used with 2 or more objects
 226                     ngettext("<b>%i</b> object of types <b>%s</b>, <b>%s</b>, <b>%s</b>", "<b>%i</b> objects of types <b>%s</b>, <b>%s</b>, <b>%s</b>", object_count),
 227                     object_count, (gchar *) terms->data, (gchar *) terms->next->data, (gchar *) terms->next->next->data);
 228             } else {
 229                 objects_str = g_strdup_printf (
 230                     // this is only used with 2 or more objects
 231                     ngettext("<b>%i</b> object of <b>%i</b> types", "<b>%i</b> objects of <b>%i</b> types", object_count),
 232                     object_count, n_terms);
 233             }
 234             g_slist_free (terms);
 235
 236             _context.setF(Inkscape::NORMAL_MESSAGE, _("%s%s. %s."), objects_str, in_phrase, when_selected);
 237
 238             if (objects_str)
 239                 g_free ((gchar *) objects_str);
 240         }
 241
 242         g_free(in_phrase);
 243     }
 244 }
 245
 246 }
 247
 248 /*
 249   Local Variables:
 250   mode:c++
 251   c-file-style:"stroustrup"
 252   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 253   indent-tabs-mode:nil
 254   fill-column:99
 255   End:
 256 */
 257 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :