/* * Authors: * Ted Gould * * Copyright (C) 2002-2007 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ #include "inkscape-private.h" #include "helper/action.h" #include "ui/view/view.h" #include "desktop-handles.h" #include "selection.h" #include "sp-namedview.h" #include "desktop.h" #include "implementation/implementation.h" #include "effect.h" #include "execution-env.h" #include "timer.h" /* Inkscape::Extension::Effect */ namespace Inkscape { namespace Extension { Effect * Effect::_last_effect = NULL; Inkscape::XML::Node * Effect::_effects_list = NULL; Inkscape::XML::Node * Effect::_filters_list = NULL; #define EFFECTS_LIST "effects-list" #define FILTERS_LIST "filters-list" Effect::Effect (Inkscape::XML::Node * in_repr, Implementation::Implementation * in_imp) : Extension(in_repr, in_imp), _id_noprefs(Glib::ustring(get_id()) + ".noprefs"), _name_noprefs(Glib::ustring(get_name()) + _(" (No preferences)")), _verb(get_id(), get_name(), NULL, NULL, this, true), _verb_nopref(_id_noprefs.c_str(), _name_noprefs.c_str(), NULL, NULL, this, false), _menu_node(NULL), _workingDialog(true), _prefDialog(NULL) { Inkscape::XML::Node * local_effects_menu = NULL; // This is a weird hack if (!strcmp(this->get_id(), "org.inkscape.filter.dropshadow")) return; bool hidden = false; no_doc = false; no_live_preview = false; if (repr != NULL) { for (Inkscape::XML::Node *child = sp_repr_children(repr); child != NULL; child = child->next()) { if (!strcmp(child->name(), INKSCAPE_EXTENSION_NS "effect")) { if (child->attribute("needs-document") && !strcmp(child->attribute("needs-document"), "false")) { no_doc = true; } if (child->attribute("needs-live-preview") && !strcmp(child->attribute("needs-live-preview"), "false")) { no_live_preview = true; } for (Inkscape::XML::Node *effect_child = sp_repr_children(child); effect_child != NULL; effect_child = effect_child->next()) { if (!strcmp(effect_child->name(), INKSCAPE_EXTENSION_NS "effects-menu")) { // printf("Found local effects menu in %s\n", this->get_name()); local_effects_menu = sp_repr_children(effect_child); if (effect_child->attribute("hidden") && !strcmp(effect_child->attribute("hidden"), "true")) { hidden = true; } } if (!strcmp(effect_child->name(), INKSCAPE_EXTENSION_NS "menu-name") || !strcmp(effect_child->name(), INKSCAPE_EXTENSION_NS "_menu-name")) { // printf("Found local effects menu in %s\n", this->get_name()); _verb.set_name(sp_repr_children(effect_child)->content()); } if (!strcmp(effect_child->name(), INKSCAPE_EXTENSION_NS "menu-tip") || !strcmp(effect_child->name(), INKSCAPE_EXTENSION_NS "_menu-tip")) { // printf("Found local effects menu in %s\n", this->get_name()); _verb.set_tip(sp_repr_children(effect_child)->content()); } } // children of "effect" break; // there can only be one effect } // find "effect" } // children of "inkscape-extension" } // if we have an XML file if (INKSCAPE != NULL) { if (_effects_list == NULL) _effects_list = find_menu(inkscape_get_menus(INKSCAPE), EFFECTS_LIST); if (_filters_list == NULL) _filters_list = find_menu(inkscape_get_menus(INKSCAPE), FILTERS_LIST); } if ((_effects_list != NULL || _filters_list != NULL)) { Inkscape::XML::Document *xml_doc; xml_doc = _effects_list->document(); _menu_node = xml_doc->createElement("verb"); _menu_node->setAttribute("verb-id", this->get_id(), false); if (!hidden) { if (_filters_list && local_effects_menu && local_effects_menu->attribute("name") && !strcmp(local_effects_menu->attribute("name"), ("Filters"))) { merge_menu(_filters_list->parent(), _filters_list, sp_repr_children(local_effects_menu), _menu_node); } else if (_effects_list) { merge_menu(_effects_list->parent(), _effects_list, local_effects_menu, _menu_node); } } } return; } void Effect::merge_menu (Inkscape::XML::Node * base, Inkscape::XML::Node * start, Inkscape::XML::Node * patern, Inkscape::XML::Node * mergee) { Glib::ustring mergename; Inkscape::XML::Node * tomerge = NULL; Inkscape::XML::Node * submenu = NULL; /* printf("Merge menu with '%s' '%s' '%s'\n", base != NULL ? base->name() : "NULL", patern != NULL ? patern->name() : "NULL", mergee != NULL ? mergee->name() : "NULL"); */ if (patern == NULL) { // Merge the verb name tomerge = mergee; mergename = _(this->get_name()); } else { gchar const * menuname = patern->attribute("name"); if (menuname == NULL) menuname = patern->attribute("_name"); if (menuname == NULL) return; Inkscape::XML::Document *xml_doc; xml_doc = base->document(); tomerge = xml_doc->createElement("submenu"); tomerge->setAttribute("name", menuname, false); mergename = _(menuname); } int position = -1; if (start != NULL) { Inkscape::XML::Node * menupass; for (menupass = start; menupass != NULL && strcmp(menupass->name(), "separator"); menupass = menupass->next()) { gchar const * compare_char = NULL; if (!strcmp(menupass->name(), "verb")) { gchar const * verbid = menupass->attribute("verb-id"); Inkscape::Verb * verb = Inkscape::Verb::getbyid(verbid); if (verb == NULL) { g_warning("Unable to find verb '%s' which is referred to in the menus.", verbid); continue; } compare_char = verb->get_name(); } else if (!strcmp(menupass->name(), "submenu")) { compare_char = menupass->attribute("name"); if (compare_char == NULL) compare_char = menupass->attribute("_name"); } position = menupass->position() + 1; /* This will cause us to skip tags we don't understand */ if (compare_char == NULL) { continue; } Glib::ustring compare(_(compare_char)); if (mergename == compare) { Inkscape::GC::release(tomerge); tomerge = NULL; submenu = menupass; break; } if (mergename < compare) { position = menupass->position(); break; } } // for menu items } // start != NULL if (tomerge != NULL) { base->appendChild(tomerge); Inkscape::GC::release(tomerge); if (position != -1) tomerge->setPosition(position); } if (patern != NULL) { if (submenu == NULL) submenu = tomerge; merge_menu(submenu, submenu->firstChild(), patern->firstChild(), mergee); } return; } Effect::~Effect (void) { if (get_last_effect() == this) set_last_effect(NULL); if (_menu_node) Inkscape::GC::release(_menu_node); return; } bool Effect::check (void) { if (!Extension::check()) { /** \todo Check to see if parent has this as its only child, if so, delete it too */ if (_menu_node != NULL) sp_repr_unparent(_menu_node); _menu_node = NULL; return false; } return true; } bool Effect::prefs (Inkscape::UI::View::View * doc) { if (_prefDialog != NULL) { _prefDialog->raise(); return true; } if (param_visible_count() == 0) { effect(doc); return true; } if (!loaded()) set_state(Extension::STATE_LOADED); if (!loaded()) return false; _prefDialog = new PrefDialog(this->get_name(), this->get_help(), NULL, this); _prefDialog->show(); return true; } /** \brief The function that 'does' the effect itself \param doc The Inkscape::UI::View::View to do the effect on This function first insures that the extension is loaded, and if not, loads it. It then calls the implemention to do the actual work. It also resets the last effect pointer to be this effect. Finally, it executes a \c sp_document_done to commit the changes to the undo stack. */ void Effect::effect (Inkscape::UI::View::View * doc) { //printf("Execute effect\n"); if (!loaded()) set_state(Extension::STATE_LOADED); if (!loaded()) return; ExecutionEnv executionEnv(this, doc); timer->lock(); executionEnv.run(); if (executionEnv.wait()) { executionEnv.commit(); } else { executionEnv.cancel(); } timer->unlock(); return; } /** \brief Sets which effect was called last \param in_effect The effect that has been called This function sets the static variable \c _last_effect and it ensures that the last effect verb is sensitive. If the \c in_effect variable is \c NULL then the last effect verb is made insesitive. */ void Effect::set_last_effect (Effect * in_effect) { if (in_effect == NULL) { Inkscape::Verb::get(SP_VERB_EFFECT_LAST)->sensitive(NULL, false); Inkscape::Verb::get(SP_VERB_EFFECT_LAST_PREF)->sensitive(NULL, false); } else if (_last_effect == NULL) { Inkscape::Verb::get(SP_VERB_EFFECT_LAST)->sensitive(NULL, true); Inkscape::Verb::get(SP_VERB_EFFECT_LAST_PREF)->sensitive(NULL, true); } _last_effect = in_effect; return; } Inkscape::XML::Node * Effect::find_menu (Inkscape::XML::Node * menustruct, const gchar *name) { if (menustruct == NULL) return false; for (Inkscape::XML::Node * child = menustruct; child != NULL; child = child->next()) { if (!strcmp(child->name(), name)) { return child; } Inkscape::XML::Node * firstchild = child->firstChild(); if (firstchild != NULL) { Inkscape::XML::Node *found = find_menu (firstchild, name); if (found) return found; } } return NULL; } Gtk::VBox * Effect::get_info_widget(void) { return Extension::get_info_widget(); } void Effect::set_pref_dialog (PrefDialog * prefdialog) { _prefDialog = prefdialog; return; } /** \brief Create an action for a \c EffectVerb \param view Which view the action should be created for \return The built action. Calls \c make_action_helper with the \c vector. */ SPAction * Effect::EffectVerb::make_action (Inkscape::UI::View::View * view) { return make_action_helper(view, &vector, static_cast(this)); } /** \brief Decode the verb code and take appropriate action */ void Effect::EffectVerb::perform( SPAction *action, void * data, void */*pdata*/ ) { Inkscape::UI::View::View * current_view = sp_action_get_view(action); // SPDocument * current_document = current_view->doc; Effect::EffectVerb * ev = reinterpret_cast(data); Effect * effect = ev->_effect; if (effect == NULL) return; if (current_view == NULL) return; if (ev->_showPrefs) { effect->prefs(current_view); } else { effect->effect(current_view); } return; } /** * Action vector to define functions called if a staticly defined file verb * is called. */ SPActionEventVector Effect::EffectVerb::vector = {{NULL}, Effect::EffectVerb::perform, NULL, NULL, NULL, NULL}; } } /* namespace Inkscape, Extension */ /* 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 :