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/* |
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Copyright (c) 2014-2016 Christian Schoenebeck |
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|
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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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|
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#include "scripteditor.h" |
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#include "global.h" |
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|
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#if !USE_LS_SCRIPTVM |
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|
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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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|
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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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|
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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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|
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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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|
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#endif // !USE_LS_SCRIPTVM |
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|
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static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) { |
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const int targetH = 16; |
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Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen); |
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int w = 0; |
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int h = 0; // ignored |
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Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h); |
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Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK); |
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if (pixbuf->get_height() != targetH) { |
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pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR); |
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} |
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return pixbuf; |
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} |
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|
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ScriptEditor::ScriptEditor() : |
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m_statusLabel("", Gtk::ALIGN_START), |
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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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#if USE_LS_SCRIPTVM |
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m_vm = NULL; |
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#endif |
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|
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m_errorIcon = createIcon("dialog-error", get_screen()); |
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m_warningIcon = createIcon("dialog-warning-symbolic", get_screen()); |
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m_successIcon = createIcon("emblem-default", get_screen()); |
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|
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add(m_vbox); |
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|
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m_tagTable = Gtk::TextBuffer::TagTable::create(); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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m_errorTag = Gtk::TextBuffer::Tag::create(); |
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m_errorTag->property_background() = "#ff9393"; // red |
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m_tagTable->add(m_errorTag); |
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|
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m_warningTag = Gtk::TextBuffer::Tag::create(); |
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m_warningTag->property_background() = "#fffd7c"; // yellow |
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m_tagTable->add(m_warningTag); |
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|
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// create menu |
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m_actionGroup = Gtk::ActionGroup::create(); |
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m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script"))); |
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m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")), |
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Gtk::AccelKey("<control>s"), |
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sigc::mem_fun(*this, &ScriptEditor::onButtonApply)); |
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m_actionGroup->add(Gtk::Action::create("Close", _("_Close")), |
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Gtk::AccelKey("<control>q"), |
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sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)); |
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m_uiManager = Gtk::UIManager::create(); |
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m_uiManager->insert_action_group(m_actionGroup); |
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add_accel_group(m_uiManager->get_accel_group()); |
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m_uiManager->add_ui_from_string( |
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"<ui>" |
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" <menubar name='MenuBar'>" |
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" <menu action='MenuScript'>" |
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" <menuitem action='Apply'/>" |
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" <separator/>" |
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" <menuitem action='Close'/>" |
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" </menu>" |
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" </menubar>" |
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"</ui>" |
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); |
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|
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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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|
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Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar"); |
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m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK); |
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m_vbox.pack_start(m_scrolledWindow); |
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|
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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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|
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#if GTKMM_MAJOR_VERSION >= 3 |
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m_statusImage.set_margin_left(6); |
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m_statusImage.set_margin_right(6); |
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#else |
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m_statusHBox.set_spacing(6); |
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#endif |
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|
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m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK); |
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m_statusHBox.pack_start(m_statusLabel); |
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m_statusHBox.show_all_children(); |
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|
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m_footerHBox.pack_start(m_statusHBox); |
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m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK); |
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|
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m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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signal_delete_event().connect( |
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sigc::mem_fun(*this, &ScriptEditor::onWindowDelete) |
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); |
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|
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show_all_children(); |
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} |
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|
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ScriptEditor::~ScriptEditor() { |
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printf("ScriptEditor destruct\n"); |
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#if USE_LS_SCRIPTVM |
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if (m_vm) delete m_vm; |
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#endif |
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} |
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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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|
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set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\""); |
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|
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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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|
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void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) { |
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//printf("onTextInserted()\n"); |
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#if USE_LS_SCRIPTVM |
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m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end()); |
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updateSyntaxHighlightingByVM(); |
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updateParserIssuesByVM(); |
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updateStatusBar(); |
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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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|
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Gtk::TextBuffer::iterator it = itStart; |
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it.backward_word_start(); |
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|
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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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|
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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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|
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if (eofReached) break; |
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|
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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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|
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EOF_REACHED: |
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; |
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|
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#endif // USE_LS_SCRIPTVM |
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} |
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|
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#if USE_LS_SCRIPTVM |
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|
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LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() { |
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if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig"); |
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return m_vm; |
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} |
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|
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static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) { |
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start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1); |
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end = start; |
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end.forward_lines(issue.lastLine - issue.firstLine); |
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end.forward_chars( |
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(issue.lastLine != issue.firstLine) |
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? issue.lastColumn - 1 |
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: issue.lastColumn - issue.firstColumn + 1 |
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); |
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} |
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|
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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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|
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static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) { |
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Gtk::TextBuffer::iterator itStart, itEnd; |
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getIteratorsForIssue(txtbuf, issue, itStart, itEnd); |
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txtbuf->apply_tag(tag, itStart, itEnd); |
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} |
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|
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void ScriptEditor::updateSyntaxHighlightingByVM() { |
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GetScriptVM(); |
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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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|
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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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|
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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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|
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void ScriptEditor::updateParserIssuesByVM() { |
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GetScriptVM(); |
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const std::string s = m_textBuffer->get_text(); |
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LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s); |
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m_issues = parserContext->issues(); |
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m_errors = parserContext->errors(); |
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m_warnings = parserContext->warnings(); |
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|
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for (int i = 0; i < m_issues.size(); ++i) { |
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const LinuxSampler::ParserIssue& issue = m_issues[i]; |
360 |
|
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if (issue.isErr()) { |
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applyCodeTag(m_textBuffer, issue, m_errorTag); |
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} else if (issue.isWrn()) { |
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applyCodeTag(m_textBuffer, issue, m_warningTag); |
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} |
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} |
367 |
|
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delete parserContext; |
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} |
370 |
|
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void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) { |
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int x, y; |
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m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y); |
374 |
|
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Gtk::TextBuffer::iterator it; |
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m_textView.get_iter_at_location(it, x, y); |
377 |
|
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const int line = it.get_line(); |
379 |
const int column = it.get_line_offset(); |
380 |
|
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//printf("mouse at l%d c%d\n", line, column); |
382 |
|
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for (int i = 0; i < m_issues.size(); ++i) { |
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const LinuxSampler::ParserIssue& issue = m_issues[i]; |
385 |
const int firstLine = issue.firstLine - 1; |
386 |
const int firstColumn = issue.firstColumn - 1; |
387 |
const int lastLine = issue.lastLine - 1; |
388 |
const int lastColumn = issue.lastColumn - 1; |
389 |
if (firstLine <= line && line <= lastLine && |
390 |
(firstLine != line || firstColumn <= column) && |
391 |
(lastLine != line || lastColumn >= column)) |
392 |
{ |
393 |
m_textView.set_tooltip_markup( |
394 |
(issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") + |
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issue.txt |
396 |
); |
397 |
return; |
398 |
} |
399 |
} |
400 |
|
401 |
m_textView.set_tooltip_markup(""); |
402 |
} |
403 |
|
404 |
static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) { |
405 |
std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size()); |
406 |
txt += (warnings.size() == 1) ? " Warning" : " Warnings"; |
407 |
txt += "</span>"; |
408 |
return txt; |
409 |
} |
410 |
|
411 |
static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) { |
412 |
std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size()); |
413 |
txt += (errors.size() == 1) ? " Error" : " Errors"; |
414 |
txt += "</span>"; |
415 |
return txt; |
416 |
} |
417 |
|
418 |
void ScriptEditor::updateStatusBar() { |
419 |
// update status text |
420 |
std::string txt; |
421 |
if (m_issues.empty()) { |
422 |
txt = "No issues with this script."; |
423 |
} else { |
424 |
const char* txtWontLoad = ". Sampler won't load instruments using this script!"; |
425 |
txt = "There "; |
426 |
txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are "; |
427 |
if (m_errors.empty()) { |
428 |
txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!"; |
429 |
} else if (m_warnings.empty()) { |
430 |
txt += errorsCountTxt(m_errors) + txtWontLoad; |
431 |
} else { |
432 |
txt += errorsCountTxt(m_errors) + " and " + |
433 |
warningsCountTxt(m_warnings) + txtWontLoad; |
434 |
} |
435 |
} |
436 |
m_statusLabel.set_markup(txt); |
437 |
|
438 |
// update status icon |
439 |
m_statusImage.set( |
440 |
m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon |
441 |
); |
442 |
} |
443 |
|
444 |
#endif // USE_LS_SCRIPTVM |
445 |
|
446 |
void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) { |
447 |
//printf("erased\n"); |
448 |
#if USE_LS_SCRIPTVM |
449 |
m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end()); |
450 |
updateSyntaxHighlightingByVM(); |
451 |
updateParserIssuesByVM(); |
452 |
updateStatusBar(); |
453 |
#else |
454 |
Gtk::TextBuffer::iterator itStart2 = itStart; |
455 |
if (itStart2.inside_word() || itStart2.ends_word()) |
456 |
itStart2.backward_word_start(); |
457 |
|
458 |
Gtk::TextBuffer::iterator itEnd2 = itEnd; |
459 |
if (itEnd2.inside_word()) itEnd2.forward_word_end(); |
460 |
|
461 |
m_textBuffer->remove_all_tags(itStart2, itEnd2); |
462 |
#endif // USE_LS_SCRIPTVM |
463 |
} |
464 |
|
465 |
bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) { |
466 |
#if USE_LS_SCRIPTVM |
467 |
//TODO: event throttling would be a good idea here |
468 |
updateIssueTooltip(e); |
469 |
#endif |
470 |
return ManagedWindow::on_motion_notify_event(e); |
471 |
} |
472 |
|
473 |
bool ScriptEditor::onWindowDelete(GdkEventAny* e) { |
474 |
//printf("onWindowDelete\n"); |
475 |
|
476 |
if (!isModified()) return false; // propagate event further (which will close this window) |
477 |
|
478 |
gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"), |
479 |
m_script->Name.c_str()); |
480 |
Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE); |
481 |
g_free(msg); |
482 |
dialog.set_secondary_text(_("If you close without applying, your changes will be lost.")); |
483 |
dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO); |
484 |
dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL); |
485 |
dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES); |
486 |
dialog.set_default_response(Gtk::RESPONSE_YES); |
487 |
int response = dialog.run(); |
488 |
dialog.hide(); |
489 |
|
490 |
// user decided to close script editor without saving |
491 |
if (response == Gtk::RESPONSE_NO) |
492 |
return false; // propagate event further (which will close this window) |
493 |
|
494 |
// user cancelled dialog, thus don't close script editor |
495 |
if (response == Gtk::RESPONSE_CANCEL) { |
496 |
show(); |
497 |
return true; // drop event (prevents closing this window) |
498 |
} |
499 |
|
500 |
// user wants to apply the changes, afterwards close window |
501 |
if (response == Gtk::RESPONSE_YES) { |
502 |
onButtonApply(); |
503 |
return false; // propagate event further (which will close this window) |
504 |
} |
505 |
|
506 |
// should never ever make it to this point actually |
507 |
return false; |
508 |
} |
509 |
|
510 |
bool ScriptEditor::isModified() const { |
511 |
return m_textBuffer->get_modified(); |
512 |
} |
513 |
|
514 |
void ScriptEditor::onModifiedChanged() { |
515 |
m_applyButton.set_sensitive(isModified()); |
516 |
#if USE_LS_SCRIPTVM |
517 |
updateStatusBar(); |
518 |
#endif |
519 |
} |
520 |
|
521 |
void ScriptEditor::onButtonCancel() { |
522 |
bool dropEvent = onWindowDelete(NULL); |
523 |
if (dropEvent) return; |
524 |
hide(); |
525 |
} |
526 |
|
527 |
void ScriptEditor::onButtonApply() { |
528 |
signal_script_to_be_changed.emit(m_script); |
529 |
m_script->SetScriptAsText(m_textBuffer->get_text()); |
530 |
signal_script_changed.emit(m_script); |
531 |
m_textBuffer->set_modified(false); |
532 |
} |
533 |
|
534 |
void ScriptEditor::onWindowHide() { |
535 |
delete this; // this is the end, my friend |
536 |
} |