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

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Revision 2939 - (hide annotations) (download)
Mon Jul 11 17:58:33 2016 UTC (4 years, 9 months ago) by schoenebeck
File size: 19607 byte(s)
- Script Editor: further increased font size for Mac to 14
  (due to underscore visibility issue).

1 schoenebeck 2604 /*
2 schoenebeck 2886 Copyright (c) 2014-2016 Christian Schoenebeck
3 schoenebeck 2604
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 schoenebeck 2886 #if !USE_LS_SCRIPTVM
12    
13 schoenebeck 2604 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 schoenebeck 2886 #endif // !USE_LS_SCRIPTVM
37    
38 schoenebeck 2899 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 schoenebeck 2928 if (!theme->has_icon(name))
45     return Glib::RefPtr<Gdk::Pixbuf>();
46 schoenebeck 2899 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 schoenebeck 2928 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 schoenebeck 2604 ScriptEditor::ScriptEditor() :
62 schoenebeck 2899 m_statusLabel("", Gtk::ALIGN_START),
63 persson 2845 m_applyButton(_("_Apply"), true),
64     m_cancelButton(_("_Cancel"), true)
65 schoenebeck 2604 {
66     m_script = NULL;
67 schoenebeck 2896 #if USE_LS_SCRIPTVM
68 schoenebeck 2886 m_vm = NULL;
69 schoenebeck 2896 #endif
70 schoenebeck 2604
71 schoenebeck 2928 // 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 schoenebeck 2899
84 schoenebeck 2928 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 schoenebeck 2604 add(m_vbox);
97    
98     m_tagTable = Gtk::TextBuffer::TagTable::create();
99 schoenebeck 2886
100 schoenebeck 2604 m_keywordTag = Gtk::TextBuffer::Tag::create();
101 schoenebeck 2887 m_keywordTag->property_foreground() = "#000000"; // black
102 schoenebeck 2604 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
103     m_tagTable->add(m_keywordTag);
104 schoenebeck 2886
105 schoenebeck 2604 m_eventTag = Gtk::TextBuffer::Tag::create();
106 schoenebeck 2887 m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
107 schoenebeck 2610 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
108 schoenebeck 2604 m_tagTable->add(m_eventTag);
109 schoenebeck 2886
110     m_variableTag = Gtk::TextBuffer::Tag::create();
111 schoenebeck 2887 m_variableTag->property_foreground() = "#790cc4"; // magenta
112 schoenebeck 2886 m_tagTable->add(m_variableTag);
113    
114     m_functionTag = Gtk::TextBuffer::Tag::create();
115 schoenebeck 2887 m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
116 schoenebeck 2886 m_tagTable->add(m_functionTag);
117    
118     m_numberTag = Gtk::TextBuffer::Tag::create();
119 schoenebeck 2887 m_numberTag->property_foreground() = "#c4950c"; // yellow
120 schoenebeck 2886 m_tagTable->add(m_numberTag);
121    
122     m_stringTag = Gtk::TextBuffer::Tag::create();
123 schoenebeck 2887 m_stringTag->property_foreground() = "#c40c0c"; // red
124 schoenebeck 2886 m_tagTable->add(m_stringTag);
125    
126     m_commentTag = Gtk::TextBuffer::Tag::create();
127 schoenebeck 2887 m_commentTag->property_foreground() = "#9c9c9c"; // gray
128 schoenebeck 2886 m_tagTable->add(m_commentTag);
129    
130     m_preprocTag = Gtk::TextBuffer::Tag::create();
131 schoenebeck 2887 m_preprocTag->property_foreground() = "#2f8a33"; // green
132 schoenebeck 2886 m_tagTable->add(m_preprocTag);
133    
134 schoenebeck 2890 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 schoenebeck 2901 // 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 schoenebeck 2903 Gtk::AccelKey("<control>q"),
150 schoenebeck 2901 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
151     m_uiManager = Gtk::UIManager::create();
152     m_uiManager->insert_action_group(m_actionGroup);
153     add_accel_group(m_uiManager->get_accel_group());
154     m_uiManager->add_ui_from_string(
155     "<ui>"
156     " <menubar name='MenuBar'>"
157     " <menu action='MenuScript'>"
158     " <menuitem action='Apply'/>"
159     " <separator/>"
160     " <menuitem action='Close'/>"
161     " </menu>"
162     " </menubar>"
163     "</ui>"
164     );
165    
166 schoenebeck 2604 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
167     m_textView.set_buffer(m_textBuffer);
168     {
169     Pango::FontDescription fdesc;
170     fdesc.set_family("monospace");
171 schoenebeck 2664 #if defined(__APPLE__)
172 schoenebeck 2939 fdesc.set_size(14 * PANGO_SCALE);
173 schoenebeck 2664 #else
174 schoenebeck 2604 fdesc.set_size(10 * PANGO_SCALE);
175 schoenebeck 2664 #endif
176 schoenebeck 2604 #if GTKMM_MAJOR_VERSION < 3
177     m_textView.modify_font(fdesc);
178     #else
179     m_textView.override_font(fdesc);
180     #endif
181     }
182     m_scrolledWindow.add(m_textView);
183     m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
184 schoenebeck 2901
185     Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
186     m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
187 schoenebeck 2604 m_vbox.pack_start(m_scrolledWindow);
188    
189     m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
190     m_buttonBox.pack_start(m_applyButton);
191     m_buttonBox.pack_start(m_cancelButton);
192     m_applyButton.set_can_default();
193     m_applyButton.set_sensitive(false);
194     m_applyButton.grab_focus();
195 schoenebeck 2901
196 schoenebeck 2900 #if GTKMM_MAJOR_VERSION >= 3
197 schoenebeck 2899 m_statusImage.set_margin_left(6);
198     m_statusImage.set_margin_right(6);
199 schoenebeck 2900 #else
200     m_statusHBox.set_spacing(6);
201     #endif
202 schoenebeck 2604
203 schoenebeck 2899 m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
204     m_statusHBox.pack_start(m_statusLabel);
205     m_statusHBox.show_all_children();
206    
207     m_footerHBox.pack_start(m_statusHBox);
208     m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
209    
210     m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
211    
212 schoenebeck 2604 m_applyButton.signal_clicked().connect(
213     sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
214     );
215    
216     m_cancelButton.signal_clicked().connect(
217     sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
218     );
219    
220     m_textBuffer->signal_insert().connect(
221     sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
222     );
223    
224     m_textBuffer->signal_erase().connect(
225     sigc::mem_fun(*this, &ScriptEditor::onTextErased)
226     );
227    
228     m_textBuffer->signal_modified_changed().connect(
229     sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
230     );
231    
232     signal_hide().connect(
233     sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
234     );
235    
236 schoenebeck 2898 signal_delete_event().connect(
237     sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
238     );
239    
240 schoenebeck 2604 show_all_children();
241     }
242    
243     ScriptEditor::~ScriptEditor() {
244     printf("ScriptEditor destruct\n");
245 schoenebeck 2896 #if USE_LS_SCRIPTVM
246 schoenebeck 2886 if (m_vm) delete m_vm;
247 schoenebeck 2896 #endif
248 schoenebeck 2604 }
249    
250     void ScriptEditor::setScript(gig::Script* script) {
251     m_script = script;
252     if (!script) {
253     set_title(_("No Script"));
254     return;
255     }
256    
257     set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
258    
259     std::string txt = script->GetScriptAsText();
260     //printf("text : '%s'\n", txt.c_str());
261     m_textBuffer->set_text(txt);
262     m_textBuffer->set_modified(false);
263     }
264    
265     void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
266 schoenebeck 2897 //printf("onTextInserted()\n");
267 schoenebeck 2886 #if USE_LS_SCRIPTVM
268 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
269 schoenebeck 2886 updateSyntaxHighlightingByVM();
270 schoenebeck 2890 updateParserIssuesByVM();
271 schoenebeck 2899 updateStatusBar();
272 schoenebeck 2886 #else
273 schoenebeck 2610 //printf("inserted %d\n", length);
274 schoenebeck 2604 Gtk::TextBuffer::iterator itStart = itEnd;
275     itStart.backward_chars(length);
276    
277     Gtk::TextBuffer::iterator it = itStart;
278     it.backward_word_start();
279    
280     bool eofReached = false;
281     while (it <= itEnd) {
282     Gtk::TextBuffer::iterator itWordStart = it;
283     if (!it.forward_word_end()) {
284     eofReached = true;
285     it = itEnd;
286     }
287    
288     Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
289 schoenebeck 2610 //printf("{%s}\n", s.c_str());
290 schoenebeck 2604 if (isKeyword(s))
291     m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
292     else if (isEvent(s)) {
293     // check if previous word is "on"
294     Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
295     if (itPreviousWordStart.backward_word_start()) {
296     Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
297     itPreviousWordEnd.forward_word_end();
298     if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
299     m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
300     }
301     }
302     }
303    
304     if (eofReached) break;
305    
306     while (!it.inside_word())
307     if (!it.forward_char())
308     goto EOF_REACHED;
309     }
310    
311     EOF_REACHED:
312     ;
313 schoenebeck 2886
314     #endif // USE_LS_SCRIPTVM
315 schoenebeck 2604 }
316    
317 schoenebeck 2886 #if USE_LS_SCRIPTVM
318    
319 schoenebeck 2890 LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
320     if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
321     return m_vm;
322     }
323    
324 schoenebeck 2897 static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
325     start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
326     end = start;
327     end.forward_lines(issue.lastLine - issue.firstLine);
328     end.forward_chars(
329     (issue.lastLine != issue.firstLine)
330     ? issue.lastColumn - 1
331     : issue.lastColumn - issue.firstColumn + 1
332     );
333     }
334    
335 schoenebeck 2886 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
336     Gtk::TextBuffer::iterator itStart =
337     txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
338     Gtk::TextBuffer::iterator itEnd = itStart;
339     const int length = token.text().length();
340     itEnd.forward_chars(length);
341     txtbuf->apply_tag(tag, itStart, itEnd);
342     }
343    
344 schoenebeck 2890 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
345 schoenebeck 2897 Gtk::TextBuffer::iterator itStart, itEnd;
346     getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
347 schoenebeck 2890 txtbuf->apply_tag(tag, itStart, itEnd);
348     }
349    
350 schoenebeck 2886 void ScriptEditor::updateSyntaxHighlightingByVM() {
351 schoenebeck 2890 GetScriptVM();
352 schoenebeck 2886 const std::string s = m_textBuffer->get_text();
353     std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
354    
355     for (int i = 0; i < tokens.size(); ++i) {
356     const LinuxSampler::VMSourceToken& token = tokens[i];
357    
358     if (token.isKeyword()) {
359     applyCodeTag(m_textBuffer, token, m_keywordTag);
360     } else if (token.isVariableName()) {
361     applyCodeTag(m_textBuffer, token, m_variableTag);
362     } else if (token.isIdentifier()) {
363     if (token.isEventHandlerName()) {
364     applyCodeTag(m_textBuffer, token, m_eventTag);
365     } else { // a function ...
366     applyCodeTag(m_textBuffer, token, m_functionTag);
367     }
368     } else if (token.isNumberLiteral()) {
369     applyCodeTag(m_textBuffer, token, m_numberTag);
370     } else if (token.isStringLiteral()) {
371     applyCodeTag(m_textBuffer, token, m_stringTag);
372     } else if (token.isComment()) {
373     applyCodeTag(m_textBuffer, token, m_commentTag);
374     } else if (token.isPreprocessor()) {
375     applyCodeTag(m_textBuffer, token, m_preprocTag);
376     } else if (token.isNewLine()) {
377     }
378     }
379     }
380    
381 schoenebeck 2890 void ScriptEditor::updateParserIssuesByVM() {
382     GetScriptVM();
383     const std::string s = m_textBuffer->get_text();
384     LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
385 schoenebeck 2896 m_issues = parserContext->issues();
386 schoenebeck 2899 m_errors = parserContext->errors();
387     m_warnings = parserContext->warnings();
388 schoenebeck 2890
389 schoenebeck 2896 for (int i = 0; i < m_issues.size(); ++i) {
390     const LinuxSampler::ParserIssue& issue = m_issues[i];
391 schoenebeck 2890
392     if (issue.isErr()) {
393     applyCodeTag(m_textBuffer, issue, m_errorTag);
394     } else if (issue.isWrn()) {
395     applyCodeTag(m_textBuffer, issue, m_warningTag);
396     }
397     }
398    
399 schoenebeck 2897 delete parserContext;
400     }
401 schoenebeck 2896
402 schoenebeck 2897 void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
403     int x, y;
404     m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
405 schoenebeck 2896
406 schoenebeck 2897 Gtk::TextBuffer::iterator it;
407     m_textView.get_iter_at_location(it, x, y);
408    
409     const int line = it.get_line();
410     const int column = it.get_line_offset();
411    
412     //printf("mouse at l%d c%d\n", line, column);
413    
414     for (int i = 0; i < m_issues.size(); ++i) {
415     const LinuxSampler::ParserIssue& issue = m_issues[i];
416     const int firstLine = issue.firstLine - 1;
417     const int firstColumn = issue.firstColumn - 1;
418     const int lastLine = issue.lastLine - 1;
419     const int lastColumn = issue.lastColumn - 1;
420     if (firstLine <= line && line <= lastLine &&
421     (firstLine != line || firstColumn <= column) &&
422     (lastLine != line || lastColumn >= column))
423     {
424     m_textView.set_tooltip_markup(
425     (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
426     issue.txt
427     );
428     return;
429 schoenebeck 2896 }
430     }
431    
432 schoenebeck 2897 m_textView.set_tooltip_markup("");
433 schoenebeck 2890 }
434    
435 schoenebeck 2899 static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
436     std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
437     txt += (warnings.size() == 1) ? " Warning" : " Warnings";
438     txt += "</span>";
439     return txt;
440     }
441    
442     static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
443     std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
444     txt += (errors.size() == 1) ? " Error" : " Errors";
445     txt += "</span>";
446     return txt;
447     }
448    
449     void ScriptEditor::updateStatusBar() {
450     // update status text
451     std::string txt;
452     if (m_issues.empty()) {
453     txt = "No issues with this script.";
454     } else {
455     const char* txtWontLoad = ". Sampler won't load instruments using this script!";
456     txt = "There ";
457     txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
458     if (m_errors.empty()) {
459     txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
460     } else if (m_warnings.empty()) {
461     txt += errorsCountTxt(m_errors) + txtWontLoad;
462     } else {
463     txt += errorsCountTxt(m_errors) + " and " +
464     warningsCountTxt(m_warnings) + txtWontLoad;
465     }
466     }
467     m_statusLabel.set_markup(txt);
468    
469     // update status icon
470     m_statusImage.set(
471     m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
472     );
473     }
474    
475 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
476    
477 schoenebeck 2604 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
478 schoenebeck 2610 //printf("erased\n");
479 schoenebeck 2886 #if USE_LS_SCRIPTVM
480 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
481 schoenebeck 2886 updateSyntaxHighlightingByVM();
482 schoenebeck 2890 updateParserIssuesByVM();
483 schoenebeck 2899 updateStatusBar();
484 schoenebeck 2886 #else
485 schoenebeck 2604 Gtk::TextBuffer::iterator itStart2 = itStart;
486     if (itStart2.inside_word() || itStart2.ends_word())
487     itStart2.backward_word_start();
488    
489     Gtk::TextBuffer::iterator itEnd2 = itEnd;
490     if (itEnd2.inside_word()) itEnd2.forward_word_end();
491    
492     m_textBuffer->remove_all_tags(itStart2, itEnd2);
493 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
494 schoenebeck 2604 }
495    
496 schoenebeck 2897 bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
497     #if USE_LS_SCRIPTVM
498     //TODO: event throttling would be a good idea here
499     updateIssueTooltip(e);
500     #endif
501     return ManagedWindow::on_motion_notify_event(e);
502     }
503    
504 schoenebeck 2898 bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
505     //printf("onWindowDelete\n");
506    
507     if (!isModified()) return false; // propagate event further (which will close this window)
508    
509     gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
510     m_script->Name.c_str());
511     Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
512     g_free(msg);
513     dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
514     dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
515     dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
516     dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
517     dialog.set_default_response(Gtk::RESPONSE_YES);
518     int response = dialog.run();
519     dialog.hide();
520    
521     // user decided to close script editor without saving
522     if (response == Gtk::RESPONSE_NO)
523     return false; // propagate event further (which will close this window)
524    
525     // user cancelled dialog, thus don't close script editor
526     if (response == Gtk::RESPONSE_CANCEL) {
527     show();
528     return true; // drop event (prevents closing this window)
529     }
530    
531     // user wants to apply the changes, afterwards close window
532     if (response == Gtk::RESPONSE_YES) {
533     onButtonApply();
534     return false; // propagate event further (which will close this window)
535     }
536    
537     // should never ever make it to this point actually
538     return false;
539     }
540    
541     bool ScriptEditor::isModified() const {
542     return m_textBuffer->get_modified();
543     }
544    
545 schoenebeck 2604 void ScriptEditor::onModifiedChanged() {
546 schoenebeck 2898 m_applyButton.set_sensitive(isModified());
547 schoenebeck 2899 #if USE_LS_SCRIPTVM
548     updateStatusBar();
549     #endif
550 schoenebeck 2604 }
551    
552     void ScriptEditor::onButtonCancel() {
553 schoenebeck 2898 bool dropEvent = onWindowDelete(NULL);
554     if (dropEvent) return;
555 schoenebeck 2604 hide();
556     }
557    
558     void ScriptEditor::onButtonApply() {
559 schoenebeck 2903 signal_script_to_be_changed.emit(m_script);
560 schoenebeck 2604 m_script->SetScriptAsText(m_textBuffer->get_text());
561 schoenebeck 2903 signal_script_changed.emit(m_script);
562 schoenebeck 2604 m_textBuffer->set_modified(false);
563     }
564    
565     void ScriptEditor::onWindowHide() {
566     delete this; // this is the end, my friend
567     }

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