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

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Revision 2975 - (show annotations) (download)
Fri Jul 22 18:14:29 2016 UTC (5 years, 1 month ago) by schoenebeck
File size: 21341 byte(s)
* Script Editor: Fixed crash on Ctrl + A, followed by Del.
* Bumped version (1.0.0.svn20).

1 /*
2 Copyright (c) 2014-2016 Christian Schoenebeck
3
4 This file is part of "gigedit" and released under the terms of the
5 GNU General Public License version 2.
6 */
7
8 #include "scripteditor.h"
9 #include "global.h"
10
11 #if !USE_LS_SCRIPTVM
12
13 static const std::string _keywords[] = {
14 "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
15 "select", "to", "const", "polyphonic", "mod"
16 };
17 static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
18
19 static const std::string _eventNames[] = {
20 "init", "note", "release", "controller"
21 };
22 static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string);
23
24 static bool isKeyword(const Glib::ustring& s) {
25 for (int i = 0; i < _keywordsSz; ++i)
26 if (_keywords[i] == s) return true;
27 return false;
28 }
29
30 static bool isEvent(const Glib::ustring& s) {
31 for (int i = 0; i < _eventNamesSz; ++i)
32 if (_eventNames[i] == s) return true;
33 return false;
34 }
35
36 #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() :
62 m_statusLabel("", Gtk::ALIGN_START),
63 m_applyButton(_("_Apply"), true),
64 m_cancelButton(_("_Cancel"), true)
65 {
66 m_script = NULL;
67 #if USE_LS_SCRIPTVM
68 m_vm = NULL;
69 #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);
97
98 m_tagTable = Gtk::TextBuffer::TagTable::create();
99
100 m_keywordTag = Gtk::TextBuffer::Tag::create();
101 m_keywordTag->property_foreground() = "#000000"; // black
102 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
103 m_tagTable->add(m_keywordTag);
104
105 m_eventTag = Gtk::TextBuffer::Tag::create();
106 m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
107 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
108 m_tagTable->add(m_eventTag);
109
110 m_variableTag = Gtk::TextBuffer::Tag::create();
111 m_variableTag->property_foreground() = "#790cc4"; // magenta
112 m_tagTable->add(m_variableTag);
113
114 m_functionTag = Gtk::TextBuffer::Tag::create();
115 m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
116 m_tagTable->add(m_functionTag);
117
118 m_numberTag = Gtk::TextBuffer::Tag::create();
119 m_numberTag->property_foreground() = "#c4950c"; // yellow
120 m_tagTable->add(m_numberTag);
121
122 m_stringTag = Gtk::TextBuffer::Tag::create();
123 m_stringTag->property_foreground() = "#c40c0c"; // red
124 m_tagTable->add(m_stringTag);
125
126 m_commentTag = Gtk::TextBuffer::Tag::create();
127 m_commentTag->property_foreground() = "#9c9c9c"; // gray
128 m_tagTable->add(m_commentTag);
129
130 m_preprocTag = Gtk::TextBuffer::Tag::create();
131 m_preprocTag->property_foreground() = "#2f8a33"; // green
132 m_tagTable->add(m_preprocTag);
133
134 m_errorTag = Gtk::TextBuffer::Tag::create();
135 m_errorTag->property_background() = "#ff9393"; // red
136 m_tagTable->add(m_errorTag);
137
138 m_warningTag = Gtk::TextBuffer::Tag::create();
139 m_warningTag->property_background() = "#fffd7c"; // yellow
140 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);
173 m_textView.set_buffer(m_textBuffer);
174 setFontSize(currentFontSize(), false);
175 m_scrolledWindow.add(m_textView);
176 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);
181
182 m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
183 m_buttonBox.pack_start(m_applyButton);
184 m_buttonBox.pack_start(m_cancelButton);
185 m_applyButton.set_can_default();
186 m_applyButton.set_sensitive(false);
187 m_applyButton.grab_focus();
188
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(
206 sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
207 );
208
209 m_cancelButton.signal_clicked().connect(
210 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
211 );
212
213 m_textBuffer->signal_insert().connect(
214 sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
215 );
216
217 m_textBuffer->signal_erase().connect(
218 sigc::mem_fun(*this, &ScriptEditor::onTextErased)
219 );
220
221 m_textBuffer->signal_modified_changed().connect(
222 sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
223 );
224
225 signal_hide().connect(
226 sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
227 );
228
229 signal_delete_event().connect(
230 sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
231 );
232
233 show_all_children();
234 }
235
236 ScriptEditor::~ScriptEditor() {
237 printf("ScriptEditor destruct\n");
238 #if USE_LS_SCRIPTVM
239 if (m_vm) delete m_vm;
240 #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) {
268 m_script = script;
269 if (!script) {
270 set_title(_("No Script"));
271 return;
272 }
273
274 set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
275
276 std::string txt = script->GetScriptAsText();
277 //printf("text : '%s'\n", txt.c_str());
278 m_textBuffer->set_text(txt);
279 m_textBuffer->set_modified(false);
280 }
281
282 void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
283 //printf("onTextInserted()\n");
284 #if USE_LS_SCRIPTVM
285 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
286 updateSyntaxHighlightingByVM();
287 updateParserIssuesByVM();
288 updateStatusBar();
289 #else
290 //printf("inserted %d\n", length);
291 Gtk::TextBuffer::iterator itStart = itEnd;
292 itStart.backward_chars(length);
293
294 Gtk::TextBuffer::iterator it = itStart;
295 it.backward_word_start();
296
297 bool eofReached = false;
298 while (it <= itEnd) {
299 Gtk::TextBuffer::iterator itWordStart = it;
300 if (!it.forward_word_end()) {
301 eofReached = true;
302 it = itEnd;
303 }
304
305 Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
306 //printf("{%s}\n", s.c_str());
307 if (isKeyword(s))
308 m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
309 else if (isEvent(s)) {
310 // check if previous word is "on"
311 Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
312 if (itPreviousWordStart.backward_word_start()) {
313 Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
314 itPreviousWordEnd.forward_word_end();
315 if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
316 m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
317 }
318 }
319 }
320
321 if (eofReached) break;
322
323 while (!it.inside_word())
324 if (!it.forward_char())
325 goto EOF_REACHED;
326 }
327
328 EOF_REACHED:
329 ;
330
331 #endif // USE_LS_SCRIPTVM
332 }
333
334 #if USE_LS_SCRIPTVM
335
336 LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
337 if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
338 return m_vm;
339 }
340
341 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);
343 end = start;
344 end.forward_lines(issue.lastLine - issue.firstLine);
345 end.forward_chars(
346 (issue.lastLine != issue.firstLine)
347 ? issue.lastColumn - 1
348 : issue.lastColumn - issue.firstColumn + 1
349 );
350 }
351
352 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
353 Gtk::TextBuffer::iterator itStart =
354 txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
355 Gtk::TextBuffer::iterator itEnd = itStart;
356 const int length = token.text().length();
357 itEnd.forward_chars(length);
358 txtbuf->apply_tag(tag, itStart, itEnd);
359 }
360
361 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
362 Gtk::TextBuffer::iterator itStart, itEnd;
363 getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
364 txtbuf->apply_tag(tag, itStart, itEnd);
365 }
366
367 void ScriptEditor::updateSyntaxHighlightingByVM() {
368 GetScriptVM();
369 const std::string s = m_textBuffer->get_text();
370 if (s.empty()) return;
371 std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
372
373 for (int i = 0; i < tokens.size(); ++i) {
374 const LinuxSampler::VMSourceToken& token = tokens[i];
375
376 if (token.isKeyword()) {
377 applyCodeTag(m_textBuffer, token, m_keywordTag);
378 } else if (token.isVariableName()) {
379 applyCodeTag(m_textBuffer, token, m_variableTag);
380 } else if (token.isIdentifier()) {
381 if (token.isEventHandlerName()) {
382 applyCodeTag(m_textBuffer, token, m_eventTag);
383 } else { // a function ...
384 applyCodeTag(m_textBuffer, token, m_functionTag);
385 }
386 } else if (token.isNumberLiteral()) {
387 applyCodeTag(m_textBuffer, token, m_numberTag);
388 } else if (token.isStringLiteral()) {
389 applyCodeTag(m_textBuffer, token, m_stringTag);
390 } else if (token.isComment()) {
391 applyCodeTag(m_textBuffer, token, m_commentTag);
392 } else if (token.isPreprocessor()) {
393 applyCodeTag(m_textBuffer, token, m_preprocTag);
394 } else if (token.isNewLine()) {
395 }
396 }
397 }
398
399 void ScriptEditor::updateParserIssuesByVM() {
400 GetScriptVM();
401 const std::string s = m_textBuffer->get_text();
402 LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
403 m_issues = parserContext->issues();
404 m_errors = parserContext->errors();
405 m_warnings = parserContext->warnings();
406
407 if (!s.empty()) {
408 for (int i = 0; i < m_issues.size(); ++i) {
409 const LinuxSampler::ParserIssue& issue = m_issues[i];
410
411 if (issue.isErr()) {
412 applyCodeTag(m_textBuffer, issue, m_errorTag);
413 } else if (issue.isWrn()) {
414 applyCodeTag(m_textBuffer, issue, m_warningTag);
415 }
416 }
417 }
418
419 delete parserContext;
420 }
421
422 void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
423 int x, y;
424 m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
425
426 Gtk::TextBuffer::iterator it;
427 m_textView.get_iter_at_location(it, x, y);
428
429 const int line = it.get_line();
430 const int column = it.get_line_offset();
431
432 //printf("mouse at l%d c%d\n", line, column);
433
434 for (int i = 0; i < m_issues.size(); ++i) {
435 const LinuxSampler::ParserIssue& issue = m_issues[i];
436 const int firstLine = issue.firstLine - 1;
437 const int firstColumn = issue.firstColumn - 1;
438 const int lastLine = issue.lastLine - 1;
439 const int lastColumn = issue.lastColumn - 1;
440 if (firstLine <= line && line <= lastLine &&
441 (firstLine != line || firstColumn <= column) &&
442 (lastLine != line || lastColumn >= column))
443 {
444 m_textView.set_tooltip_markup(
445 (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
446 issue.txt
447 );
448 return;
449 }
450 }
451
452 m_textView.set_tooltip_markup("");
453 }
454
455 static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
456 std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
457 txt += (warnings.size() == 1) ? " Warning" : " Warnings";
458 txt += "</span>";
459 return txt;
460 }
461
462 static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
463 std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
464 txt += (errors.size() == 1) ? " Error" : " Errors";
465 txt += "</span>";
466 return txt;
467 }
468
469 void ScriptEditor::updateStatusBar() {
470 // update status text
471 std::string txt;
472 if (m_issues.empty()) {
473 txt = "No issues with this script.";
474 } else {
475 const char* txtWontLoad = ". Sampler won't load instruments using this script!";
476 txt = "There ";
477 txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
478 if (m_errors.empty()) {
479 txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
480 } else if (m_warnings.empty()) {
481 txt += errorsCountTxt(m_errors) + txtWontLoad;
482 } else {
483 txt += errorsCountTxt(m_errors) + " and " +
484 warningsCountTxt(m_warnings) + txtWontLoad;
485 }
486 }
487 m_statusLabel.set_markup(txt);
488
489 // update status icon
490 m_statusImage.set(
491 m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
492 );
493 }
494
495 #endif // USE_LS_SCRIPTVM
496
497 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
498 //printf("erased\n");
499 #if USE_LS_SCRIPTVM
500 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
501 updateSyntaxHighlightingByVM();
502 updateParserIssuesByVM();
503 updateStatusBar();
504 #else
505 Gtk::TextBuffer::iterator itStart2 = itStart;
506 if (itStart2.inside_word() || itStart2.ends_word())
507 itStart2.backward_word_start();
508
509 Gtk::TextBuffer::iterator itEnd2 = itEnd;
510 if (itEnd2.inside_word()) itEnd2.forward_word_end();
511
512 m_textBuffer->remove_all_tags(itStart2, itEnd2);
513 #endif // USE_LS_SCRIPTVM
514 }
515
516 bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
517 #if USE_LS_SCRIPTVM
518 //TODO: event throttling would be a good idea here
519 updateIssueTooltip(e);
520 #endif
521 return ManagedWindow::on_motion_notify_event(e);
522 }
523
524 void ScriptEditor::onMenuChangeFontSize() {
525 //TODO: for GTKMM >= 3.2 class Gtk::FontChooser could be used instead
526 Gtk::Dialog dialog(_("Font Size"), true /*modal*/);
527 Gtk::HBox hbox;
528 hbox.set_spacing(6);
529
530 Gtk::Label label(_("Editor's Font Size:"), Gtk::ALIGN_START);
531 hbox.pack_start(label, Gtk::PACK_SHRINK);
532
533 Gtk::SpinButton spinButton;
534 spinButton.set_range(4, 80);
535 spinButton.set_increments(1, 10);
536 spinButton.set_value(currentFontSize());
537 hbox.pack_start(spinButton);
538
539 dialog.get_vbox()->pack_start(hbox);
540 dialog.add_button(_("_OK"), 0);
541 dialog.add_button(_("_Cancel"), 1);
542
543 dialog.show_all_children();
544
545 if (!dialog.run()) { // OK selected ...
546 const int newFontSize = spinButton.get_value_as_int();
547 if (newFontSize >= 4)
548 setFontSize(newFontSize, true);
549 }
550 }
551
552 bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
553 //printf("onWindowDelete\n");
554
555 if (!isModified()) return false; // propagate event further (which will close this window)
556
557 gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
558 m_script->Name.c_str());
559 Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
560 g_free(msg);
561 dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
562 dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
563 dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
564 dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
565 dialog.set_default_response(Gtk::RESPONSE_YES);
566 int response = dialog.run();
567 dialog.hide();
568
569 // user decided to close script editor without saving
570 if (response == Gtk::RESPONSE_NO)
571 return false; // propagate event further (which will close this window)
572
573 // user cancelled dialog, thus don't close script editor
574 if (response == Gtk::RESPONSE_CANCEL) {
575 show();
576 return true; // drop event (prevents closing this window)
577 }
578
579 // user wants to apply the changes, afterwards close window
580 if (response == Gtk::RESPONSE_YES) {
581 onButtonApply();
582 return false; // propagate event further (which will close this window)
583 }
584
585 // should never ever make it to this point actually
586 return false;
587 }
588
589 bool ScriptEditor::isModified() const {
590 return m_textBuffer->get_modified();
591 }
592
593 void ScriptEditor::onModifiedChanged() {
594 m_applyButton.set_sensitive(isModified());
595 #if USE_LS_SCRIPTVM
596 updateStatusBar();
597 #endif
598 }
599
600 void ScriptEditor::onButtonCancel() {
601 bool dropEvent = onWindowDelete(NULL);
602 if (dropEvent) return;
603 hide();
604 }
605
606 void ScriptEditor::onButtonApply() {
607 signal_script_to_be_changed.emit(m_script);
608 m_script->SetScriptAsText(m_textBuffer->get_text());
609 signal_script_changed.emit(m_script);
610 m_textBuffer->set_modified(false);
611 }
612
613 void ScriptEditor::onWindowHide() {
614 delete this; // this is the end, my friend
615 }

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