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