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: "Link" means internet link (anchor)
  43         { return C_("Web", "Link"); }
  44     if (type == SP_TYPE_CIRCLE)
  45         { return _("Circle"); }
  46     if (type == SP_TYPE_ELLIPSE)
  47         { return _("Ellipse"); }
  48     if (type == SP_TYPE_FLOWTEXT)
  49         { return _("Flowed text"); }
  50     if (type == SP_TYPE_GROUP)
  51         { return _("Group"); }
  52     if (type == SP_TYPE_IMAGE)
  53         { return _("Image"); }
  54     if (type == SP_TYPE_LINE)
  55         { return _("Line"); }
  56     if (type == SP_TYPE_PATH)
  57         { return _("Path"); }
  58     if (type == SP_TYPE_POLYGON)
  59         { return _("Polygon"); }
  60     if (type == SP_TYPE_POLYLINE)
  61         { return _("Polyline"); }
  62     if (type == SP_TYPE_RECT)
  63         { return _("Rectangle"); }
  64     if (type == SP_TYPE_BOX3D)
  65         { return _("3D Box"); }
  66     if (type == SP_TYPE_TEXT)
  67         { return _("Text"); }
  68     if (type == SP_TYPE_USE)
  69         // TRANSLATORS: "Clone" is a noun, type of object
  70         { return C_("Object", "Clone"); }
  71     if (type == SP_TYPE_ARC)
  72         { return _("Ellipse"); }
  73     if (type == SP_TYPE_OFFSET)
  74         { return _("Offset path"); }
  75     if (type == SP_TYPE_SPIRAL)
  76         { return _("Spiral"); }
  77     if (type == SP_TYPE_STAR)
  78         { return _("Star"); }
  79     return NULL;
  80 }
  81
  82 GSList *collect_terms (GSList *items)
  83 {
  84     GSList *r = NULL;
  85     for (GSList *i = items; i != NULL; i = i->next) {
  86         const gchar *term = type2term (G_OBJECT_TYPE(i->data));
  87         if (term != NULL && g_slist_find (r, term) == NULL)
  88             r = g_slist_prepend (r, (void *) term);
  89     }
  90     return r;
  91 }
  92
  93
  94 namespace Inkscape {
  95
  96 SelectionDescriber::SelectionDescriber(Inkscape::Selection *selection, MessageStack *stack, char *when_selected, char *when_nothing)
  97     : _context(stack),
  98       _when_selected (when_selected),
  99       _when_nothing (when_nothing)
 100 {
 101     _selection_changed_connection = new sigc::connection (
 102              selection->connectChanged(
 103                  sigc::mem_fun(*this, &SelectionDescriber::_updateMessageFromSelection)));
 104     _selection_modified_connection = new sigc::connection (
 105              selection->connectModified(
 106                  sigc::mem_fun(*this, &SelectionDescriber::_selectionModified)));
 107     _updateMessageFromSelection(selection);
 108 }
 109
 110 SelectionDescriber::~SelectionDescriber()
 111 {
 112     _selection_changed_connection->disconnect();
 113     _selection_modified_connection->disconnect();
 114     delete _selection_changed_connection;
 115     delete _selection_modified_connection;
 116 }
 117
 118 void SelectionDescriber::_selectionModified(Inkscape::Selection *selection, guint /*flags*/)
 119 {
 120     _updateMessageFromSelection(selection);
 121 }
 122
 123 void SelectionDescriber::_updateMessageFromSelection(Inkscape::Selection *selection) {
 124     GSList const *items = selection->itemList();
 125
 126     if (!items) { // no items
 127         _context.set(Inkscape::NORMAL_MESSAGE, _when_nothing);
 128     } else {
 129         SPItem *item = SP_ITEM(items->data);
 130         SPObject *layer = selection->desktop()->layerForObject (SP_OBJECT (item));
 131         SPObject *root = selection->desktop()->currentRoot();
 132
 133         // Layer name
 134         gchar *layer_name;
 135         if (layer == root) {
 136             layer_name = g_strdup(_("root"));
 137         } else {
 138             char const *layer_label;
 139             bool is_label = false;
 140             if (layer && layer->label()) {
 141                 layer_label = layer->label();
 142                 is_label = true;
 143             } else {
 144                 layer_label = layer->defaultLabel();
 145             }
 146             char *quoted_layer_label = xml_quote_strdup(layer_label);
 147             if (is_label) {
 148                 layer_name = g_strdup_printf(_("layer <b>%s</b>"), quoted_layer_label);
 149             } else {
 150                 layer_name = g_strdup_printf(_("layer <b><i>%s</i></b>"), quoted_layer_label);
 151             }
 152             g_free(quoted_layer_label);
 153         }
 154
 155         // Parent name
 156         SPObject *parent = SP_OBJECT_PARENT (item);
 157         gchar const *parent_label = parent->getId();
 158         char *quoted_parent_label = xml_quote_strdup(parent_label);
 159         gchar *parent_name = g_strdup_printf(_("<i>%s</i>"), quoted_parent_label);
 160         g_free(quoted_parent_label);
 161
 162         gchar *in_phrase;
 163         guint num_layers = selection->numberOfLayers();
 164         guint num_parents = selection->numberOfParents();
 165         if (num_layers == 1) {
 166             if (num_parents == 1) {
 167                 if (layer == parent)
 168                     in_phrase = g_strdup_printf(_(" in %s"), layer_name);
 169                 else
 170                     in_phrase = g_strdup_printf(_(" in group %s (%s)"), parent_name, layer_name);
 171             } else {
 172                     in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> parents (%s)", " in <b>%i</b> parents (%s)", num_parents), num_parents, layer_name);
 173             }
 174         } else {
 175             in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> layers", " in <b>%i</b> layers", num_layers), num_layers);
 176         }
 177         g_free (layer_name);
 178         g_free (parent_name);
 179
 180         if (!items->next) { // one item
 181             char *item_desc = sp_item_description(item);
 182             if (SP_IS_USE(item) || (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref)) {
 183                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 184                               item_desc, in_phrase,
 185                               _("Use <b>Shift+D</b> to look up original"), _when_selected);
 186             } else if (SP_IS_TEXT_TEXTPATH(item)) {
 187                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 188                               item_desc, in_phrase,
 189                               _("Use <b>Shift+D</b> to look up path"), _when_selected);
 190             } else if (SP_IS_FLOWTEXT(item) && !SP_FLOWTEXT(item)->has_internal_frame()) {
 191                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
 192                               item_desc, in_phrase,
 193                               _("Use <b>Shift+D</b> to look up frame"), _when_selected);
 194             } else {
 195                 _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s.",
 196                               item_desc, in_phrase, _when_selected);
 197             }
 198             g_free(item_desc);
 199         } else { // multiple items
 200             int object_count = g_slist_length((GSList *)items);
 201
 202             const gchar *objects_str = NULL;
 203             GSList *terms = collect_terms ((GSList *)items);
 204             int n_terms = g_slist_length(terms);
 205             if (n_terms == 0) {
 206                 objects_str = g_strdup_printf (
 207                     // this is only used with 2 or more objects
 208                     ngettext("<b>%i</b> object selected", "<b>%i</b> objects selected", object_count),
 209                     object_count);
 210             } else if (n_terms == 1) {
 211                 objects_str = g_strdup_printf (
 212                     // this is only used with 2 or more objects
 213                     ngettext("<b>%i</b> object of type <b>%s</b>", "<b>%i</b> objects of type <b>%s</b>", object_count),
 214                     object_count, (gchar *) terms->data);
 215             } else if (n_terms == 2) {
 216                 objects_str = g_strdup_printf (
 217                     // this is only used with 2 or more objects
 218                     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),
 219                     object_count, (gchar *) terms->data, (gchar *) terms->next->data);
 220             } else if (n_terms == 3) {
 221                 objects_str = g_strdup_printf (
 222                     // this is only used with 2 or more objects
 223                     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),
 224                     object_count, (gchar *) terms->data, (gchar *) terms->next->data, (gchar *) terms->next->next->data);
 225             } else {
 226                 objects_str = g_strdup_printf (
 227                     // this is only used with 2 or more objects
 228                     ngettext("<b>%i</b> object of <b>%i</b> types", "<b>%i</b> objects of <b>%i</b> types", object_count),
 229                     object_count, n_terms);
 230             }
 231             g_slist_free (terms);
 232
 233             _context.setF(Inkscape::NORMAL_MESSAGE, _("%s%s. %s."), objects_str, in_phrase, _when_selected);
 234
 235             if (objects_str)
 236                 g_free ((gchar *) objects_str);
 237         }
 238
 239         g_free(in_phrase);
 240     }
 241 }
 242
 243 }
 244
 245 /*
 246   Local Variables:
 247   mode:c++
 248   c-file-style:"stroustrup"
 249   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 250   indent-tabs-mode:nil
 251   fill-column:99
 252   End:
 253 */
 254 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :