/[svn]/gigedit/trunk/src/gigedit/scripteditor.cpp
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Diff of /gigedit/trunk/src/gigedit/scripteditor.cpp

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revision 2897 by schoenebeck, Sun May 1 20:20:06 2016 UTC revision 3206 by schoenebeck, Thu May 25 10:50:08 2017 UTC
# Line 35  static bool isEvent(const Glib::ustring& Line 35  static bool isEvent(const Glib::ustring&
35    
36  #endif // !USE_LS_SCRIPTVM  #endif // !USE_LS_SCRIPTVM
37    
38    static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {
39        const int targetH = 16;
40        Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);
41        int w = 0;
42        int h = 0; // ignored
43        Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);
44        if (!theme->has_icon(name))
45            return Glib::RefPtr<Gdk::Pixbuf>();
46        Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);
47        if (pixbuf->get_height() != targetH) {
48            pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);
49        }
50        return pixbuf;
51    }
52    
53    static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::vector<std::string> alternativeNames, const Glib::RefPtr<Gdk::Screen>& screen) {
54        for (int i = 0; i < alternativeNames.size(); ++i) {
55            Glib::RefPtr<Gdk::Pixbuf> buf = createIcon(alternativeNames[i], screen);
56            if (buf) return buf;
57        }
58        return Glib::RefPtr<Gdk::Pixbuf>();
59    }
60    
61  ScriptEditor::ScriptEditor() :  ScriptEditor::ScriptEditor() :
62      m_applyButton(_("_Apply"), true),      m_statusLabel("",  Gtk::ALIGN_START),
63      m_cancelButton(_("_Cancel"), true)      m_applyButton(Gtk::Stock::APPLY),
64        m_cancelButton(Gtk::Stock::CANCEL)
65  {  {
66      m_script = NULL;      m_script = NULL;
67  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
68      m_vm = NULL;      m_vm = NULL;
69  #endif  #endif
70    
71        // depending on GTK version and installed themes, there may be different
72        // icons, and different names for them, so for each type of icon we use,
73        // we provide a list of possible icon names, the first one found to be
74        // installed on the local system from the list will be used and loaded for
75        // the respective purpose (so order matters in those lists)
76        //
77        // (see https://developer.gnome.org/gtkmm/stable/namespaceGtk_1_1Stock.html for
78        // available icon names)
79        std::vector<std::string> errorIconNames;
80        errorIconNames.push_back("dialog-error");
81        errorIconNames.push_back("media-record");
82        errorIconNames.push_back("process-stop");
83    
84        std::vector<std::string> warningIconNames;
85        warningIconNames.push_back("dialog-warning-symbolic");
86        warningIconNames.push_back("dialog-warning");
87    
88        std::vector<std::string> successIconNames;
89        successIconNames.push_back("emblem-default");
90        successIconNames.push_back("tools-check-spelling");
91    
92        m_errorIcon = createIcon(errorIconNames, get_screen());
93        m_warningIcon = createIcon(warningIconNames, get_screen());
94        m_successIcon = createIcon(successIconNames, get_screen());
95    
96      add(m_vbox);      add(m_vbox);
97    
98      m_tagTable = Gtk::TextBuffer::TagTable::create();      m_tagTable = Gtk::TextBuffer::TagTable::create();
# Line 90  ScriptEditor::ScriptEditor() : Line 139  ScriptEditor::ScriptEditor() :
139      m_warningTag->property_background() = "#fffd7c"; // yellow      m_warningTag->property_background() = "#fffd7c"; // yellow
140      m_tagTable->add(m_warningTag);      m_tagTable->add(m_warningTag);
141    
142        // create menu
143        m_actionGroup = Gtk::ActionGroup::create();
144        m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script")));
145        m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")),
146                           Gtk::AccelKey("<control>s"),
147                           sigc::mem_fun(*this, &ScriptEditor::onButtonApply));
148        m_actionGroup->add(Gtk::Action::create("Close", _("_Close")),
149                           Gtk::AccelKey("<control>q"),
150                           sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
151        m_actionGroup->add(Gtk::Action::create("MenuEditor", _("_Editor")));
152        m_actionGroup->add(Gtk::Action::create("ChangeFont", _("_Font Size ...")),
153                           sigc::mem_fun(*this, &ScriptEditor::onMenuChangeFontSize));
154        m_uiManager = Gtk::UIManager::create();
155        m_uiManager->insert_action_group(m_actionGroup);
156        add_accel_group(m_uiManager->get_accel_group());
157        m_uiManager->add_ui_from_string(
158            "<ui>"
159            "  <menubar name='MenuBar'>"
160            "    <menu action='MenuScript'>"
161            "      <menuitem action='Apply'/>"
162            "      <separator/>"
163            "      <menuitem action='Close'/>"
164            "    </menu>"
165            "    <menu action='MenuEditor'>"
166            "      <menuitem action='ChangeFont'/>"
167            "    </menu>"
168            "  </menubar>"
169            "</ui>"
170        );
171    
172      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
173      m_textView.set_buffer(m_textBuffer);      m_textView.set_buffer(m_textBuffer);
174      {      setFontSize(currentFontSize(), false);
         Pango::FontDescription fdesc;  
         fdesc.set_family("monospace");  
 #if defined(__APPLE__)  
         fdesc.set_size(12 * PANGO_SCALE);  
 #else  
         fdesc.set_size(10 * PANGO_SCALE);  
 #endif  
 #if GTKMM_MAJOR_VERSION < 3  
         m_textView.modify_font(fdesc);  
 #else  
         m_textView.override_font(fdesc);  
 #endif  
     }  
175      m_scrolledWindow.add(m_textView);      m_scrolledWindow.add(m_textView);
176      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
177    
178        Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
179        m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
180      m_vbox.pack_start(m_scrolledWindow);      m_vbox.pack_start(m_scrolledWindow);
181    
182      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
# Line 116  ScriptEditor::ScriptEditor() : Line 185  ScriptEditor::ScriptEditor() :
185      m_applyButton.set_can_default();      m_applyButton.set_can_default();
186      m_applyButton.set_sensitive(false);      m_applyButton.set_sensitive(false);
187      m_applyButton.grab_focus();      m_applyButton.grab_focus();
188      m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);  
189    #if GTKMM_MAJOR_VERSION >= 3
190        m_statusImage.set_margin_left(6);
191        m_statusImage.set_margin_right(6);
192    #else
193        m_statusHBox.set_spacing(6);
194    #endif
195    
196        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
197        m_statusHBox.pack_start(m_statusLabel);
198        m_statusHBox.show_all_children();
199    
200        m_footerHBox.pack_start(m_statusHBox);
201        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
202    
203        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
204    
205      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
206          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 142  ScriptEditor::ScriptEditor() : Line 226  ScriptEditor::ScriptEditor() :
226          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
227      );      );
228    
229      show_all_children();      signal_delete_event().connect(
230            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
231        );
232    
233      resize(460,300);      show_all_children();
234  }  }
235    
236  ScriptEditor::~ScriptEditor() {  ScriptEditor::~ScriptEditor() {
# Line 154  ScriptEditor::~ScriptEditor() { Line 240  ScriptEditor::~ScriptEditor() {
240  #endif  #endif
241  }  }
242    
243    int ScriptEditor::currentFontSize() const {
244    #if defined(__APPLE__)
245        const int defaultFontSize = 13;
246    #else
247        const int defaultFontSize = 10;
248    #endif
249        const int settingFontSize = Settings::singleton()->scriptEditorFontSize;
250        const int fontSize = (settingFontSize > 0) ? settingFontSize : defaultFontSize;
251        return fontSize;
252    }
253    
254    void ScriptEditor::setFontSize(int size, bool save) {
255        //printf("setFontSize(%d,%d)\n", size, save);
256        Pango::FontDescription fdesc;
257        fdesc.set_family("monospace");
258        fdesc.set_size(size * PANGO_SCALE);
259    #if GTKMM_MAJOR_VERSION < 3
260        m_textView.modify_font(fdesc);
261    #else
262        m_textView.override_font(fdesc);
263    #endif
264        if (save) Settings::singleton()->scriptEditorFontSize = size;
265    }
266    
267  void ScriptEditor::setScript(gig::Script* script) {  void ScriptEditor::setScript(gig::Script* script) {
268      m_script = script;      m_script = script;
269      if (!script) {      if (!script) {
# Line 175  void ScriptEditor::onTextInserted(const Line 285  void ScriptEditor::onTextInserted(const
285      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
286      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
287      updateParserIssuesByVM();      updateParserIssuesByVM();
288        updateStatusBar();
289  #else  #else
290      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
291      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
# Line 228  LinuxSampler::ScriptVM* ScriptEditor::Ge Line 339  LinuxSampler::ScriptVM* ScriptEditor::Ge
339  }  }
340    
341  static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {  static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
342      start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);      Gtk::TextBuffer::iterator itLine =
343            txtbuf->get_iter_at_line_index(issue.firstLine - 1, 0);
344        const int charsInLine = itLine.get_bytes_in_line();
345        start = txtbuf->get_iter_at_line_index(
346            issue.firstLine - 1,
347            // check we are not getting past the end of the line here, otherwise Gtk crashes
348            issue.firstColumn - 1 < charsInLine ? issue.firstColumn - 1 : charsInLine - 1
349        );
350      end = start;      end = start;
351      end.forward_lines(issue.lastLine - issue.firstLine);      end.forward_lines(issue.lastLine - issue.firstLine);
352      end.forward_chars(      end.forward_chars(
# Line 239  static void getIteratorsForIssue(Glib::R Line 357  static void getIteratorsForIssue(Glib::R
357  }  }
358    
359  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
360      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itLine =
361          txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());          txtbuf->get_iter_at_line_index(token.firstLine(), 0);
362        const int charsInLine = itLine.get_bytes_in_line();
363        Gtk::TextBuffer::iterator itStart = txtbuf->get_iter_at_line_index(
364            token.firstLine(),
365            // check we are not getting past the end of the line here, otherwise Gtk crashes
366            token.firstColumn() < charsInLine ? token.firstColumn() : charsInLine - 1
367        );
368      Gtk::TextBuffer::iterator itEnd = itStart;      Gtk::TextBuffer::iterator itEnd = itStart;
369      const int length = token.text().length();      const int length = token.text().length();
370      itEnd.forward_chars(length);      itEnd.forward_chars(length);
# Line 256  static void applyCodeTag(Glib::RefPtr<Gt Line 380  static void applyCodeTag(Glib::RefPtr<Gt
380  void ScriptEditor::updateSyntaxHighlightingByVM() {  void ScriptEditor::updateSyntaxHighlightingByVM() {
381      GetScriptVM();      GetScriptVM();
382      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
383        if (s.empty()) return;
384      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
385    
386      for (int i = 0; i < tokens.size(); ++i) {      for (int i = 0; i < tokens.size(); ++i) {
# Line 289  void ScriptEditor::updateParserIssuesByV Line 414  void ScriptEditor::updateParserIssuesByV
414      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
415      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
416      m_issues = parserContext->issues();      m_issues = parserContext->issues();
417        m_errors = parserContext->errors();
418        m_warnings = parserContext->warnings();
419    
420      for (int i = 0; i < m_issues.size(); ++i) {      if (!s.empty()) {
421          const LinuxSampler::ParserIssue& issue = m_issues[i];          for (int i = 0; i < m_issues.size(); ++i) {
422                const LinuxSampler::ParserIssue& issue = m_issues[i];
423          if (issue.isErr()) {  
424              applyCodeTag(m_textBuffer, issue, m_errorTag);              if (issue.isErr()) {
425          } else if (issue.isWrn()) {                  applyCodeTag(m_textBuffer, issue, m_errorTag);
426              applyCodeTag(m_textBuffer, issue, m_warningTag);              } else if (issue.isWrn()) {
427                    applyCodeTag(m_textBuffer, issue, m_warningTag);
428                }
429          }          }
430      }      }
431    
# Line 336  void ScriptEditor::updateIssueTooltip(Gd Line 465  void ScriptEditor::updateIssueTooltip(Gd
465      m_textView.set_tooltip_markup("");      m_textView.set_tooltip_markup("");
466  }  }
467    
468    static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
469        std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
470        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
471        txt += "</span>";
472        return txt;
473    }
474    
475    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
476        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
477        txt += (errors.size() == 1) ? " Error" : " Errors";
478        txt += "</span>";
479        return txt;
480    }
481    
482    void ScriptEditor::updateStatusBar() {
483        // update status text
484        std::string txt;
485        if (m_issues.empty()) {
486            txt = "No issues with this script.";
487        } else {
488            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
489            txt = "There ";
490            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
491            if (m_errors.empty()) {
492                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
493            } else if (m_warnings.empty()) {
494                txt += errorsCountTxt(m_errors) + txtWontLoad;
495            } else {
496                txt += errorsCountTxt(m_errors) + " and " +
497                       warningsCountTxt(m_warnings) + txtWontLoad;
498            }
499        }
500        m_statusLabel.set_markup(txt);
501    
502        // update status icon
503        m_statusImage.set(
504            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
505        );
506    }
507    
508  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
509    
510  void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {  void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
# Line 344  void ScriptEditor::onTextErased(const Gt Line 513  void ScriptEditor::onTextErased(const Gt
513      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
514      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
515      updateParserIssuesByVM();      updateParserIssuesByVM();
516        updateStatusBar();
517  #else  #else
518      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
519      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
# Line 364  bool ScriptEditor::on_motion_notify_even Line 534  bool ScriptEditor::on_motion_notify_even
534      return ManagedWindow::on_motion_notify_event(e);      return ManagedWindow::on_motion_notify_event(e);
535  }  }
536    
537    void ScriptEditor::onMenuChangeFontSize() {
538        //TODO: for GTKMM >= 3.2 class Gtk::FontChooser could be used instead
539        Gtk::Dialog dialog(_("Font Size"), true /*modal*/);
540        Gtk::HBox hbox;
541        hbox.set_spacing(6);
542    
543        Gtk::Label label(_("Editor's Font Size:"), Gtk::ALIGN_START);
544        hbox.pack_start(label, Gtk::PACK_SHRINK);
545    
546        Gtk::SpinButton spinButton;
547        spinButton.set_range(4, 80);
548        spinButton.set_increments(1, 10);
549        spinButton.set_value(currentFontSize());
550        hbox.pack_start(spinButton);
551    
552        dialog.get_vbox()->pack_start(hbox);
553        dialog.add_button(_("_OK"), 0);
554        dialog.add_button(_("_Cancel"), 1);
555    
556        dialog.show_all_children();
557    
558        if (!dialog.run()) { // OK selected ...
559            const int newFontSize = spinButton.get_value_as_int();
560            if (newFontSize >= 4)
561                setFontSize(newFontSize, true);
562        }
563    }
564    
565    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
566        //printf("onWindowDelete\n");
567    
568        if (!isModified()) return false; // propagate event further (which will close this window)
569    
570        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
571                                     m_script->Name.c_str());
572        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
573        g_free(msg);
574        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
575        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
576        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
577        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
578        dialog.set_default_response(Gtk::RESPONSE_YES);
579        int response = dialog.run();
580        dialog.hide();
581    
582        // user decided to close script editor without saving
583        if (response == Gtk::RESPONSE_NO)
584            return false; // propagate event further (which will close this window)
585    
586        // user cancelled dialog, thus don't close script editor
587        if (response == Gtk::RESPONSE_CANCEL) {
588            show();
589            return true; // drop event (prevents closing this window)
590        }
591    
592        // user wants to apply the changes, afterwards close window
593        if (response == Gtk::RESPONSE_YES) {
594            onButtonApply();
595            return false; // propagate event further (which will close this window)
596        }
597    
598        // should never ever make it to this point actually
599        return false;
600    }
601    
602    bool ScriptEditor::isModified() const {
603        return m_textBuffer->get_modified();
604    }
605    
606  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
607      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
608    #if USE_LS_SCRIPTVM
609        updateStatusBar();
610    #endif
611  }  }
612    
613  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
614        bool dropEvent = onWindowDelete(NULL);
615        if (dropEvent) return;
616      hide();      hide();
617  }  }
618    
619  void ScriptEditor::onButtonApply() {  void ScriptEditor::onButtonApply() {
620        signal_script_to_be_changed.emit(m_script);
621      m_script->SetScriptAsText(m_textBuffer->get_text());      m_script->SetScriptAsText(m_textBuffer->get_text());
622        signal_script_changed.emit(m_script);
623      m_textBuffer->set_modified(false);      m_textBuffer->set_modified(false);
624  }  }
625    
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