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Diffstat (limited to 'src/selection-describer.cpp')
| -rw-r--r-- | src/selection-describer.cpp | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/selection-describer.cpp b/src/selection-describer.cpp new file mode 100644 index 0000000..9e529d8 --- /dev/null +++ b/src/selection-describer.cpp @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Inkscape::SelectionDescriber - shows messages describing selection + * + * Authors: + * MenTaLguY <mental@rydia.net> + * bulia byak <buliabyak@users.sf.net> + * Abhishek Sharma + * Jon A. Cruz <jon@joncruz.org> + * + * Copyright (C) 2004-2006 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <memory> +#include <set> +#include <utility> + +#include <glibmm/i18n.h> + +#include "selection-describer.h" + +#include "layer-manager.h" +#include "selection.h" +#include "desktop.h" + +#include "object/sp-flowtext.h" +#include "object/sp-image.h" +#include "object/sp-offset.h" +#include "object/sp-path.h" +#include "object/sp-symbol.h" +#include "object/sp-textpath.h" +#include "object/sp-use.h" + +#include "xml/quote.h" + +// Returns a list of terms for the items to be used in the statusbar +char* collect_terms (const std::vector<SPItem*> &items) +{ + std::set<Glib::ustring> check; + std::stringstream ss; + bool first = true; + + for (auto item : items) { + if (item && item->displayName()) { + Glib::ustring term(item->displayName()); + if (term != "" && (check.insert(term).second)) { + ss << (first ? "" : ", ") << "<b>" << term.raw() << "</b>"; + first = false; + } + } + } + return g_strdup(ss.str().c_str()); +} + +// Returns the number of terms in the list +static int count_terms (const std::vector<SPItem*> &items) +{ + std::set<Glib::ustring> check; + int count=0; + for (auto item : items) { + if (item && item->displayName()) { + Glib::ustring term(item->displayName()); + if (term != "" && (check.insert(term).second)) { + count++; + } + } + } + return count; +} + +// Returns the number of filtered items in the list +static int count_filtered (const std::vector<SPItem*> &items) +{ + int count=0; + for (auto item : items) { + if (item) { + count += item->isFiltered(); + } + } + return count; +} + + +namespace Inkscape { + +SelectionDescriber::SelectionDescriber(Inkscape::Selection *selection, std::shared_ptr<MessageStack> stack, char *when_selected, char *when_nothing) + : _context(std::move(stack)), + _when_selected (when_selected), + _when_nothing (when_nothing) +{ + _selection_changed_connection = new sigc::connection ( + selection->connectChanged( + sigc::mem_fun(*this, &SelectionDescriber::_updateMessageFromSelection))); + _updateMessageFromSelection(selection); +} + +SelectionDescriber::~SelectionDescriber() +{ + _selection_changed_connection->disconnect(); + delete _selection_changed_connection; +} + +void SelectionDescriber::_updateMessageFromSelection(Inkscape::Selection *selection) { + std::vector<SPItem*> items(selection->items().begin(), selection->items().end()); + + if (items.empty()) { // no items + _context.set(Inkscape::NORMAL_MESSAGE, _when_nothing); + } else { + SPItem *item = items[0]; + g_assert(item != nullptr); + SPObject *layer = selection->desktop()->layerManager().layerForObject(item); + SPObject *root = selection->desktop()->layerManager().currentRoot(); + + // Layer name + gchar *layer_name; + if (layer == root) { + layer_name = g_strdup(_("root")); + } else if(!layer) { + layer_name = g_strdup(_("none")); + } else { + char const *layer_label; + bool is_label = false; + if (layer->label()) { + layer_label = layer->label(); + is_label = true; + } else { + layer_label = layer->defaultLabel(); + } + char *quoted_layer_label = xml_quote_strdup(layer_label); + if (is_label) { + layer_name = g_strdup_printf(_("layer <b>%s</b>"), quoted_layer_label); + } else { + layer_name = g_strdup_printf(_("layer <b><i>%s</i></b>"), quoted_layer_label); + } + g_free(quoted_layer_label); + } + + // Parent name + SPObject *parent = item->parent; + if (!parent) { // fix selector * to "svg:svg" + return; + } + gchar const *parent_label = parent->getId(); + gchar *parent_name = nullptr; + if (parent_label) { + char *quoted_parent_label = xml_quote_strdup(parent_label); + parent_name = g_strdup_printf(_("<i>%s</i>"), quoted_parent_label); + g_free(quoted_parent_label); + } + + gchar *in_phrase; + guint num_layers = selection->numberOfLayers(); + guint num_parents = selection->numberOfParents(); + if (num_layers == 1) { + if (num_parents == 1) { + if (layer == parent) + in_phrase = g_strdup_printf(_(" in %s"), layer_name); + else if (!layer) + in_phrase = g_strdup_printf("%s", _(" hidden in definitions")); + else if (parent_name) + in_phrase = g_strdup_printf(_(" in group %s (%s)"), parent_name, layer_name); + else + in_phrase = g_strdup_printf(_(" in unnamed group (%s)"), layer_name); + } else { + in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> parent (%s)", " in <b>%i</b> parents (%s)", num_parents), num_parents, layer_name); + } + } else { + in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> layer", " in <b>%i</b> layers", num_layers), num_layers); + } + g_free (layer_name); + g_free (parent_name); + + if (items.size()==1) { // one item + char *item_desc = item->detailedDescription(); + + bool isUse = dynamic_cast<SPUse *>(item) != nullptr; + if (isUse && dynamic_cast<SPSymbol *>(item->firstChild())) { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.", + item_desc, in_phrase, + _("Convert symbol to group to edit"), _when_selected); + } else if (dynamic_cast<SPSymbol *>(item)) { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s.", + item_desc, in_phrase, + _("Remove from symbols tray to edit symbol")); + } else { + SPOffset *offset = (isUse) ? nullptr : dynamic_cast<SPOffset *>(item); + if (isUse || (offset && offset->sourceHref)) { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.", + item_desc, in_phrase, + _("Use <b>Shift+D</b> to look up original"), _when_selected); + } else { + SPText *text = dynamic_cast<SPText *>(item); + if (text && text->firstChild() && dynamic_cast<SPText *>(text->firstChild())) { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.", + item_desc, in_phrase, + _("Use <b>Shift+D</b> to look up path"), _when_selected); + } else { + SPFlowtext *flowtext = dynamic_cast<SPFlowtext *>(item); + if (flowtext && !flowtext->has_internal_frame()) { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.", + item_desc, in_phrase, + _("Use <b>Shift+D</b> to look up frame"), _when_selected); + } else { + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s.", + item_desc, in_phrase, _when_selected); + } + } + } + } + + g_free(item_desc); + } else { // multiple items + int objcount = items.size(); + char *terms = collect_terms (items); + int n_terms = count_terms(items); + + gchar *objects_str = g_strdup_printf(ngettext( + "<b>%1$i</b> objects selected of type %2$s", + "<b>%1$i</b> objects selected of types %2$s", n_terms), + objcount, terms); + + g_free(terms); + + // indicate all, some, or none filtered + gchar *filt_str = nullptr; + int n_filt = count_filtered(items); //all filtered + if (n_filt) { + filt_str = g_strdup_printf(ngettext("; <i>%d filtered object</i> ", + "; <i>%d filtered objects</i> ", n_filt), n_filt); + } else { + filt_str = g_strdup(""); + } + + _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s%s. %s.", objects_str, filt_str, in_phrase, _when_selected); + if (objects_str) { + g_free(objects_str); + objects_str = nullptr; + } + if (filt_str) { + g_free(filt_str); + filt_str = nullptr; + } + } + + g_free(in_phrase); + } +} + +} + +/* + 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:fileencoding=utf-8:textwidth=99 : |