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/* |
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Copyright (c) 2014-2016 Christian Schoenebeck |
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This file is part of "gigedit" and released under the terms of the |
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GNU General Public License version 2. |
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*/ |
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#include "scripteditor.h" |
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#include "global.h" |
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#if USE_LS_SCRIPTVM |
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# include <linuxsampler/scriptvm/ScriptVM.h> |
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#endif |
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#if !USE_LS_SCRIPTVM |
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static const std::string _keywords[] = { |
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"on", "end", "declare", "while", "if", "or", "and", "not", "else", "case", |
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"select", "to", "const", "polyphonic", "mod" |
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}; |
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static int _keywordsSz = sizeof(_keywords) / sizeof(std::string); |
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static const std::string _eventNames[] = { |
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"init", "note", "release", "controller" |
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}; |
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static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string); |
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static bool isKeyword(const Glib::ustring& s) { |
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for (int i = 0; i < _keywordsSz; ++i) |
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if (_keywords[i] == s) return true; |
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return false; |
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} |
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static bool isEvent(const Glib::ustring& s) { |
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for (int i = 0; i < _eventNamesSz; ++i) |
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if (_eventNames[i] == s) return true; |
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return false; |
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} |
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#endif // !USE_LS_SCRIPTVM |
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ScriptEditor::ScriptEditor() : |
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m_applyButton(_("_Apply"), true), |
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m_cancelButton(_("_Cancel"), true) |
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{ |
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m_script = NULL; |
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m_vm = NULL; |
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add(m_vbox); |
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m_tagTable = Gtk::TextBuffer::TagTable::create(); |
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m_keywordTag = Gtk::TextBuffer::Tag::create(); |
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m_keywordTag->property_foreground() = "#000000"; // black |
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m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD; |
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m_tagTable->add(m_keywordTag); |
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m_eventTag = Gtk::TextBuffer::Tag::create(); |
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m_eventTag->property_foreground() = "#07c0cf"; // cyan 1 |
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m_eventTag->property_weight() = PANGO_WEIGHT_BOLD; |
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m_tagTable->add(m_eventTag); |
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m_variableTag = Gtk::TextBuffer::Tag::create(); |
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m_variableTag->property_foreground() = "#790cc4"; // magenta |
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m_tagTable->add(m_variableTag); |
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m_functionTag = Gtk::TextBuffer::Tag::create(); |
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m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2 |
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m_tagTable->add(m_functionTag); |
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m_numberTag = Gtk::TextBuffer::Tag::create(); |
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m_numberTag->property_foreground() = "#c4950c"; // yellow |
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m_tagTable->add(m_numberTag); |
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m_stringTag = Gtk::TextBuffer::Tag::create(); |
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m_stringTag->property_foreground() = "#c40c0c"; // red |
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m_tagTable->add(m_stringTag); |
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m_commentTag = Gtk::TextBuffer::Tag::create(); |
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m_commentTag->property_foreground() = "#9c9c9c"; // gray |
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m_tagTable->add(m_commentTag); |
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m_preprocTag = Gtk::TextBuffer::Tag::create(); |
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m_preprocTag->property_foreground() = "#2f8a33"; // green |
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m_tagTable->add(m_preprocTag); |
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m_textBuffer = Gtk::TextBuffer::create(m_tagTable); |
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m_textView.set_buffer(m_textBuffer); |
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{ |
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Pango::FontDescription fdesc; |
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fdesc.set_family("monospace"); |
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#if defined(__APPLE__) |
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fdesc.set_size(12 * PANGO_SCALE); |
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#else |
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fdesc.set_size(10 * PANGO_SCALE); |
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#endif |
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#if GTKMM_MAJOR_VERSION < 3 |
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m_textView.modify_font(fdesc); |
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#else |
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m_textView.override_font(fdesc); |
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#endif |
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} |
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m_scrolledWindow.add(m_textView); |
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m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC); |
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m_vbox.pack_start(m_scrolledWindow); |
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m_buttonBox.set_layout(Gtk::BUTTONBOX_END); |
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m_buttonBox.pack_start(m_applyButton); |
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m_buttonBox.pack_start(m_cancelButton); |
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m_applyButton.set_can_default(); |
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m_applyButton.set_sensitive(false); |
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m_applyButton.grab_focus(); |
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m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK); |
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m_applyButton.signal_clicked().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onButtonApply) |
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); |
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m_cancelButton.signal_clicked().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onButtonCancel) |
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); |
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m_textBuffer->signal_insert().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onTextInserted) |
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); |
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m_textBuffer->signal_erase().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onTextErased) |
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); |
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m_textBuffer->signal_modified_changed().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged) |
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); |
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signal_hide().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onWindowHide) |
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); |
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show_all_children(); |
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resize(460,300); |
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} |
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ScriptEditor::~ScriptEditor() { |
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printf("ScriptEditor destruct\n"); |
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if (m_vm) delete m_vm; |
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} |
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void ScriptEditor::setScript(gig::Script* script) { |
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m_script = script; |
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if (!script) { |
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set_title(_("No Script")); |
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return; |
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} |
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set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\""); |
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std::string txt = script->GetScriptAsText(); |
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//printf("text : '%s'\n", txt.c_str()); |
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m_textBuffer->set_text(txt); |
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m_textBuffer->set_modified(false); |
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} |
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void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) { |
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updateSyntaxHighlightingByVM(); |
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#else |
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//printf("inserted %d\n", length); |
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Gtk::TextBuffer::iterator itStart = itEnd; |
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itStart.backward_chars(length); |
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Gtk::TextBuffer::iterator it = itStart; |
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it.backward_word_start(); |
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bool eofReached = false; |
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while (it <= itEnd) { |
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Gtk::TextBuffer::iterator itWordStart = it; |
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if (!it.forward_word_end()) { |
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eofReached = true; |
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it = itEnd; |
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} |
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Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false); |
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//printf("{%s}\n", s.c_str()); |
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if (isKeyword(s)) |
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m_textBuffer->apply_tag(m_keywordTag, itWordStart, it); |
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else if (isEvent(s)) { |
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// check if previous word is "on" |
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Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart; |
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if (itPreviousWordStart.backward_word_start()) { |
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Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart; |
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itPreviousWordEnd.forward_word_end(); |
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if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") { |
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m_textBuffer->apply_tag(m_eventTag, itWordStart, it); |
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} |
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} |
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} |
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if (eofReached) break; |
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while (!it.inside_word()) |
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if (!it.forward_char()) |
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goto EOF_REACHED; |
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} |
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EOF_REACHED: |
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; |
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#endif // USE_LS_SCRIPTVM |
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} |
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#if USE_LS_SCRIPTVM |
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static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) { |
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Gtk::TextBuffer::iterator itStart = |
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txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn()); |
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Gtk::TextBuffer::iterator itEnd = itStart; |
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const int length = token.text().length(); |
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itEnd.forward_chars(length); |
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txtbuf->apply_tag(tag, itStart, itEnd); |
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} |
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void ScriptEditor::updateSyntaxHighlightingByVM() { |
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if (!m_vm) m_vm = new LinuxSampler::ScriptVM(); |
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const std::string s = m_textBuffer->get_text(); |
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std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s); |
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m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end()); |
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for (int i = 0; i < tokens.size(); ++i) { |
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const LinuxSampler::VMSourceToken& token = tokens[i]; |
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if (token.isKeyword()) { |
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applyCodeTag(m_textBuffer, token, m_keywordTag); |
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} else if (token.isVariableName()) { |
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applyCodeTag(m_textBuffer, token, m_variableTag); |
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} else if (token.isIdentifier()) { |
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if (token.isEventHandlerName()) { |
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applyCodeTag(m_textBuffer, token, m_eventTag); |
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} else { // a function ... |
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applyCodeTag(m_textBuffer, token, m_functionTag); |
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} |
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} else if (token.isNumberLiteral()) { |
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applyCodeTag(m_textBuffer, token, m_numberTag); |
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} else if (token.isStringLiteral()) { |
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applyCodeTag(m_textBuffer, token, m_stringTag); |
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} else if (token.isComment()) { |
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applyCodeTag(m_textBuffer, token, m_commentTag); |
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} else if (token.isPreprocessor()) { |
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applyCodeTag(m_textBuffer, token, m_preprocTag); |
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} else if (token.isNewLine()) { |
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} |
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} |
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} |
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#endif // USE_LS_SCRIPTVM |
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void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) { |
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//printf("erased\n"); |
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#if USE_LS_SCRIPTVM |
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updateSyntaxHighlightingByVM(); |
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#else |
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Gtk::TextBuffer::iterator itStart2 = itStart; |
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if (itStart2.inside_word() || itStart2.ends_word()) |
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itStart2.backward_word_start(); |
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Gtk::TextBuffer::iterator itEnd2 = itEnd; |
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if (itEnd2.inside_word()) itEnd2.forward_word_end(); |
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m_textBuffer->remove_all_tags(itStart2, itEnd2); |
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#endif // USE_LS_SCRIPTVM |
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} |
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void ScriptEditor::onModifiedChanged() { |
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m_applyButton.set_sensitive( m_textBuffer->get_modified() ); |
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} |
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void ScriptEditor::onButtonCancel() { |
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hide(); |
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} |
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void ScriptEditor::onButtonApply() { |
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m_script->SetScriptAsText(m_textBuffer->get_text()); |
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m_textBuffer->set_modified(false); |
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} |
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void ScriptEditor::onWindowHide() { |
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delete this; // this is the end, my friend |
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} |