/[svn]/gigedit/trunk/src/gigedit/scripteditor.cpp
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revision 2897 by schoenebeck, Sun May 1 20:20:06 2016 UTC revision 3286 by schoenebeck, Thu Jun 22 10:54:10 2017 UTC
# Line 1  Line 1 
1  /*  /*
2      Copyright (c) 2014-2016 Christian Schoenebeck      Copyright (c) 2014-2017 Christian Schoenebeck
3            
4      This file is part of "gigedit" and released under the terms of the      This file is part of "gigedit" and released under the terms of the
5      GNU General Public License version 2.      GNU General Public License version 2.
# Line 12  Line 12 
12    
13  static const std::string _keywords[] = {  static const std::string _keywords[] = {
14      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
15      "select", "to", "const", "polyphonic", "mod"      "select", "to", "const", "polyphonic", "mod", "synchronized"
16  };  };
17  static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);  static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
18    
# 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        if (!Settings::singleton()->autoRestoreWindowDimension) {
72            set_default_size(800, 700);
73            set_position(Gtk::WIN_POS_MOUSE);
74        }
75    
76        // depending on GTK version and installed themes, there may be different
77        // icons, and different names for them, so for each type of icon we use,
78        // we provide a list of possible icon names, the first one found to be
79        // installed on the local system from the list will be used and loaded for
80        // the respective purpose (so order matters in those lists)
81        //
82        // (see https://developer.gnome.org/gtkmm/stable/namespaceGtk_1_1Stock.html for
83        // available icon names)
84        std::vector<std::string> errorIconNames;
85        errorIconNames.push_back("dialog-error");
86        errorIconNames.push_back("media-record");
87        errorIconNames.push_back("process-stop");
88    
89        std::vector<std::string> warningIconNames;
90        warningIconNames.push_back("dialog-warning-symbolic");
91        warningIconNames.push_back("dialog-warning");
92    
93        std::vector<std::string> successIconNames;
94        successIconNames.push_back("emblem-default");
95        successIconNames.push_back("tools-check-spelling");
96    
97        m_errorIcon = createIcon(errorIconNames, get_screen());
98        m_warningIcon = createIcon(warningIconNames, get_screen());
99        m_successIcon = createIcon(successIconNames, get_screen());
100    
101      add(m_vbox);      add(m_vbox);
102    
103      m_tagTable = Gtk::TextBuffer::TagTable::create();      m_tagTable = Gtk::TextBuffer::TagTable::create();
# Line 78  ScriptEditor::ScriptEditor() : Line 132  ScriptEditor::ScriptEditor() :
132      m_commentTag->property_foreground() = "#9c9c9c"; // gray      m_commentTag->property_foreground() = "#9c9c9c"; // gray
133      m_tagTable->add(m_commentTag);      m_tagTable->add(m_commentTag);
134    
135        #define PREPROC_TOKEN_COLOR  "#2f8a33" // green
136    
137      m_preprocTag = Gtk::TextBuffer::Tag::create();      m_preprocTag = Gtk::TextBuffer::Tag::create();
138      m_preprocTag->property_foreground() = "#2f8a33"; // green      m_preprocTag->property_foreground() = PREPROC_TOKEN_COLOR;
139      m_tagTable->add(m_preprocTag);      m_tagTable->add(m_preprocTag);
140    
141        m_preprocCommentTag = Gtk::TextBuffer::Tag::create();
142        m_preprocCommentTag->property_strikethrough() = true;
143        m_preprocCommentTag->property_background() = "#e5e5e5";
144        m_tagTable->add(m_preprocCommentTag);
145    
146      m_errorTag = Gtk::TextBuffer::Tag::create();      m_errorTag = Gtk::TextBuffer::Tag::create();
147      m_errorTag->property_background() = "#ff9393"; // red      m_errorTag->property_background() = "#ff9393"; // red
148      m_tagTable->add(m_errorTag);      m_tagTable->add(m_errorTag);
# Line 90  ScriptEditor::ScriptEditor() : Line 151  ScriptEditor::ScriptEditor() :
151      m_warningTag->property_background() = "#fffd7c"; // yellow      m_warningTag->property_background() = "#fffd7c"; // yellow
152      m_tagTable->add(m_warningTag);      m_tagTable->add(m_warningTag);
153    
154        // create menu
155        m_actionGroup = Gtk::ActionGroup::create();
156        m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script")));
157        m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")),
158                           Gtk::AccelKey("<control>s"),
159                           sigc::mem_fun(*this, &ScriptEditor::onButtonApply));
160        m_actionGroup->add(Gtk::Action::create("Close", _("_Close")),
161                           Gtk::AccelKey("<control>q"),
162                           sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
163        m_actionGroup->add(Gtk::Action::create("MenuEditor", _("_Editor")));
164        m_actionGroup->add(Gtk::Action::create("ChangeFont", _("_Font Size ...")),
165                           sigc::mem_fun(*this, &ScriptEditor::onMenuChangeFontSize));
166        m_uiManager = Gtk::UIManager::create();
167        m_uiManager->insert_action_group(m_actionGroup);
168        add_accel_group(m_uiManager->get_accel_group());
169        m_uiManager->add_ui_from_string(
170            "<ui>"
171            "  <menubar name='MenuBar'>"
172            "    <menu action='MenuScript'>"
173            "      <menuitem action='Apply'/>"
174            "      <separator/>"
175            "      <menuitem action='Close'/>"
176            "    </menu>"
177            "    <menu action='MenuEditor'>"
178            "      <menuitem action='ChangeFont'/>"
179            "    </menu>"
180            "  </menubar>"
181            "</ui>"
182        );
183    
184      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
185      m_textView.set_buffer(m_textBuffer);      m_textView.set_buffer(m_textBuffer);
186      {      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  
     }  
187      m_scrolledWindow.add(m_textView);      m_scrolledWindow.add(m_textView);
188      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
189    
190        Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
191        m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
192      m_vbox.pack_start(m_scrolledWindow);      m_vbox.pack_start(m_scrolledWindow);
193    
194      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
# Line 116  ScriptEditor::ScriptEditor() : Line 197  ScriptEditor::ScriptEditor() :
197      m_applyButton.set_can_default();      m_applyButton.set_can_default();
198      m_applyButton.set_sensitive(false);      m_applyButton.set_sensitive(false);
199      m_applyButton.grab_focus();      m_applyButton.grab_focus();
200      m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);  
201    #if GTKMM_MAJOR_VERSION >= 3
202        m_statusImage.set_margin_left(6);
203        m_statusImage.set_margin_right(6);
204    #else
205        m_statusHBox.set_spacing(6);
206    #endif
207    
208        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
209        m_statusHBox.pack_start(m_statusLabel);
210        m_statusHBox.show_all_children();
211    
212        m_footerHBox.pack_start(m_statusHBox);
213        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
214    
215        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
216    
217      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
218          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 142  ScriptEditor::ScriptEditor() : Line 238  ScriptEditor::ScriptEditor() :
238          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
239      );      );
240    
241      show_all_children();      signal_delete_event().connect(
242            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
243        );
244    
245      resize(460,300);      show_all_children();
246  }  }
247    
248  ScriptEditor::~ScriptEditor() {  ScriptEditor::~ScriptEditor() {
# Line 154  ScriptEditor::~ScriptEditor() { Line 252  ScriptEditor::~ScriptEditor() {
252  #endif  #endif
253  }  }
254    
255    int ScriptEditor::currentFontSize() const {
256    #if defined(__APPLE__)
257        const int defaultFontSize = 13;
258    #else
259        const int defaultFontSize = 10;
260    #endif
261        const int settingFontSize = Settings::singleton()->scriptEditorFontSize;
262        const int fontSize = (settingFontSize > 0) ? settingFontSize : defaultFontSize;
263        return fontSize;
264    }
265    
266    void ScriptEditor::setFontSize(int size, bool save) {
267        //printf("setFontSize(%d,%d)\n", size, save);
268        Pango::FontDescription fdesc;
269        fdesc.set_family("monospace");
270        fdesc.set_size(size * PANGO_SCALE);
271    #if GTKMM_MAJOR_VERSION < 3
272        m_textView.modify_font(fdesc);
273    #else
274        m_textView.override_font(fdesc);
275    #endif
276        if (save) Settings::singleton()->scriptEditorFontSize = size;
277    }
278    
279  void ScriptEditor::setScript(gig::Script* script) {  void ScriptEditor::setScript(gig::Script* script) {
280      m_script = script;      m_script = script;
281      if (!script) {      if (!script) {
# Line 175  void ScriptEditor::onTextInserted(const Line 297  void ScriptEditor::onTextInserted(const
297      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
298      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
299      updateParserIssuesByVM();      updateParserIssuesByVM();
300        updateStatusBar();
301  #else  #else
302      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
303      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
# Line 227  LinuxSampler::ScriptVM* ScriptEditor::Ge Line 350  LinuxSampler::ScriptVM* ScriptEditor::Ge
350      return m_vm;      return m_vm;
351  }  }
352    
353  static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {  template<class T>
354      start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);  static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const T& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
355        Gtk::TextBuffer::iterator itLine =
356            txtbuf->get_iter_at_line_index(issue.firstLine - 1, 0);
357        const int charsInLine = itLine.get_bytes_in_line();
358        start = txtbuf->get_iter_at_line_index(
359            issue.firstLine - 1,
360            // check we are not getting past the end of the line here, otherwise Gtk crashes
361            issue.firstColumn - 1 < charsInLine ? issue.firstColumn - 1 : charsInLine - 1
362        );
363      end = start;      end = start;
364      end.forward_lines(issue.lastLine - issue.firstLine);      end.forward_lines(issue.lastLine - issue.firstLine);
365      end.forward_chars(      end.forward_chars(
# Line 239  static void getIteratorsForIssue(Glib::R Line 370  static void getIteratorsForIssue(Glib::R
370  }  }
371    
372  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) {
373      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itLine =
374          txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());          txtbuf->get_iter_at_line_index(token.firstLine(), 0);
375        const int charsInLine = itLine.get_bytes_in_line();
376        Gtk::TextBuffer::iterator itStart = txtbuf->get_iter_at_line_index(
377            token.firstLine(),
378            // check we are not getting past the end of the line here, otherwise Gtk crashes
379            token.firstColumn() < charsInLine ? token.firstColumn() : charsInLine - 1
380        );
381      Gtk::TextBuffer::iterator itEnd = itStart;      Gtk::TextBuffer::iterator itEnd = itStart;
382      const int length = token.text().length();      const int length = token.text().length();
383      itEnd.forward_chars(length);      itEnd.forward_chars(length);
# Line 253  static void applyCodeTag(Glib::RefPtr<Gt Line 390  static void applyCodeTag(Glib::RefPtr<Gt
390      txtbuf->apply_tag(tag, itStart, itEnd);      txtbuf->apply_tag(tag, itStart, itEnd);
391  }  }
392    
393    static void applyPreprocessorComment(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::CodeBlock& block, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
394        Gtk::TextBuffer::iterator itStart, itEnd;
395        getIteratorsForIssue(txtbuf, block, itStart, itEnd);
396        txtbuf->apply_tag(tag, itStart, itEnd);
397    }
398    
399  void ScriptEditor::updateSyntaxHighlightingByVM() {  void ScriptEditor::updateSyntaxHighlightingByVM() {
400      GetScriptVM();      GetScriptVM();
401      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
402        if (s.empty()) return;
403      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
404    
405      for (int i = 0; i < tokens.size(); ++i) {      for (int i = 0; i < tokens.size(); ++i) {
# Line 289  void ScriptEditor::updateParserIssuesByV Line 433  void ScriptEditor::updateParserIssuesByV
433      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
434      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
435      m_issues = parserContext->issues();      m_issues = parserContext->issues();
436        m_errors = parserContext->errors();
437      for (int i = 0; i < m_issues.size(); ++i) {      m_warnings = parserContext->warnings();
438          const LinuxSampler::ParserIssue& issue = m_issues[i];      m_preprocComments = parserContext->preprocessorComments();
439    
440          if (issue.isErr()) {      if (!s.empty()) {
441              applyCodeTag(m_textBuffer, issue, m_errorTag);          for (int i = 0; i < m_issues.size(); ++i) {
442          } else if (issue.isWrn()) {              const LinuxSampler::ParserIssue& issue = m_issues[i];
443              applyCodeTag(m_textBuffer, issue, m_warningTag);  
444                if (issue.isErr()) {
445                    applyCodeTag(m_textBuffer, issue, m_errorTag);
446                } else if (issue.isWrn()) {
447                    applyCodeTag(m_textBuffer, issue, m_warningTag);
448                }
449          }          }
450      }      }
451    
452        for (int i = 0; i < m_preprocComments.size(); ++i) {
453            applyPreprocessorComment(m_textBuffer, m_preprocComments[i],
454                                     m_preprocCommentTag);
455        }
456    
457      delete parserContext;      delete parserContext;
458  }  }
459    
# Line 333  void ScriptEditor::updateIssueTooltip(Gd Line 487  void ScriptEditor::updateIssueTooltip(Gd
487          }          }
488      }      }
489    
490        for (int i = 0; i < m_preprocComments.size(); ++i) {
491            const LinuxSampler::CodeBlock& block = m_preprocComments[i];
492            const int firstLine   = block.firstLine - 1;
493            const int firstColumn = block.firstColumn - 1;
494            const int lastLine    = block.lastLine - 1;
495            const int lastColumn  = block.lastColumn - 1;
496            if (firstLine  <= line && line <= lastLine &&
497                (firstLine != line || firstColumn <= column) &&
498                (lastLine  != line || lastColumn  >= column))
499            {
500                m_textView.set_tooltip_markup(
501                    "Code block filtered out by preceding <span foreground=\"" PREPROC_TOKEN_COLOR "\">preprocessor</span> statement."
502                );
503                return;
504            }
505        }
506    
507      m_textView.set_tooltip_markup("");      m_textView.set_tooltip_markup("");
508  }  }
509    
510    static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
511        std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
512        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
513        txt += "</span>";
514        return txt;
515    }
516    
517    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
518        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
519        txt += (errors.size() == 1) ? " Error" : " Errors";
520        txt += "</span>";
521        return txt;
522    }
523    
524    void ScriptEditor::updateStatusBar() {
525        // update status text
526        std::string txt;
527        if (m_issues.empty()) {
528            txt = "No issues with this script.";
529        } else {
530            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
531            txt = "There ";
532            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
533            if (m_errors.empty()) {
534                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
535            } else if (m_warnings.empty()) {
536                txt += errorsCountTxt(m_errors) + txtWontLoad;
537            } else {
538                txt += errorsCountTxt(m_errors) + " and " +
539                       warningsCountTxt(m_warnings) + txtWontLoad;
540            }
541        }
542        m_statusLabel.set_markup(txt);
543    
544        // update status icon
545        m_statusImage.set(
546            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
547        );
548    }
549    
550  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
551    
552  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 555  void ScriptEditor::onTextErased(const Gt
555      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
556      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
557      updateParserIssuesByVM();      updateParserIssuesByVM();
558        updateStatusBar();
559  #else  #else
560      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
561      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
# Line 364  bool ScriptEditor::on_motion_notify_even Line 576  bool ScriptEditor::on_motion_notify_even
576      return ManagedWindow::on_motion_notify_event(e);      return ManagedWindow::on_motion_notify_event(e);
577  }  }
578    
579    void ScriptEditor::onMenuChangeFontSize() {
580        //TODO: for GTKMM >= 3.2 class Gtk::FontChooser could be used instead
581        Gtk::Dialog dialog(_("Font Size"), true /*modal*/);
582        Gtk::HBox hbox;
583        hbox.set_spacing(6);
584    
585        Gtk::Label label(_("Editor's Font Size:"), Gtk::ALIGN_START);
586        hbox.pack_start(label, Gtk::PACK_SHRINK);
587    
588        Gtk::SpinButton spinButton;
589        spinButton.set_range(4, 80);
590        spinButton.set_increments(1, 10);
591        spinButton.set_value(currentFontSize());
592        hbox.pack_start(spinButton);
593    
594        dialog.get_vbox()->pack_start(hbox);
595        dialog.add_button(_("_OK"), 0);
596        dialog.add_button(_("_Cancel"), 1);
597    
598        dialog.show_all_children();
599    
600        if (!dialog.run()) { // OK selected ...
601            const int newFontSize = spinButton.get_value_as_int();
602            if (newFontSize >= 4)
603                setFontSize(newFontSize, true);
604        }
605    }
606    
607    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
608        //printf("onWindowDelete\n");
609    
610        if (!isModified()) return false; // propagate event further (which will close this window)
611    
612        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
613                                     m_script->Name.c_str());
614        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
615        g_free(msg);
616        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
617        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
618        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
619        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
620        dialog.set_default_response(Gtk::RESPONSE_YES);
621        int response = dialog.run();
622        dialog.hide();
623    
624        // user decided to close script editor without saving
625        if (response == Gtk::RESPONSE_NO)
626            return false; // propagate event further (which will close this window)
627    
628        // user cancelled dialog, thus don't close script editor
629        if (response == Gtk::RESPONSE_CANCEL) {
630            show();
631            return true; // drop event (prevents closing this window)
632        }
633    
634        // user wants to apply the changes, afterwards close window
635        if (response == Gtk::RESPONSE_YES) {
636            onButtonApply();
637            return false; // propagate event further (which will close this window)
638        }
639    
640        // should never ever make it to this point actually
641        return false;
642    }
643    
644    bool ScriptEditor::isModified() const {
645        return m_textBuffer->get_modified();
646    }
647    
648  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
649      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
650    #if USE_LS_SCRIPTVM
651        updateStatusBar();
652    #endif
653  }  }
654    
655  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
656        bool dropEvent = onWindowDelete(NULL);
657        if (dropEvent) return;
658      hide();      hide();
659  }  }
660    
661  void ScriptEditor::onButtonApply() {  void ScriptEditor::onButtonApply() {
662        signal_script_to_be_changed.emit(m_script);
663      m_script->SetScriptAsText(m_textBuffer->get_text());      m_script->SetScriptAsText(m_textBuffer->get_text());
664        signal_script_changed.emit(m_script);
665      m_textBuffer->set_modified(false);      m_textBuffer->set_modified(false);
666  }  }
667    
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