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

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Revision 3206 - (hide annotations) (download)
Thu May 25 10:50:08 2017 UTC (6 years, 10 months ago) by schoenebeck
File size: 21981 byte(s)
* Script Editor: Fixed Gtk crash while entering a variety of
  ill formed code like unterminated string literals.
* Bumped version (1.0.0.svn50).

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 schoenebeck 3158 m_applyButton(Gtk::Stock::APPLY),
64     m_cancelButton(Gtk::Stock::CANCEL)
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 schoenebeck 2956 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 schoenebeck 2901 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 schoenebeck 2956 " <menu action='MenuEditor'>"
166     " <menuitem action='ChangeFont'/>"
167     " </menu>"
168 schoenebeck 2901 " </menubar>"
169     "</ui>"
170     );
171    
172 schoenebeck 2604 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
173     m_textView.set_buffer(m_textBuffer);
174 schoenebeck 2956 setFontSize(currentFontSize(), false);
175 schoenebeck 2604 m_scrolledWindow.add(m_textView);
176     m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
177 schoenebeck 2901
178     Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
179     m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
180 schoenebeck 2604 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 schoenebeck 2901
189 schoenebeck 2900 #if GTKMM_MAJOR_VERSION >= 3
190 schoenebeck 2899 m_statusImage.set_margin_left(6);
191     m_statusImage.set_margin_right(6);
192 schoenebeck 2900 #else
193     m_statusHBox.set_spacing(6);
194     #endif
195 schoenebeck 2604
196 schoenebeck 2899 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 schoenebeck 2604 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 schoenebeck 2898 signal_delete_event().connect(
230     sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
231     );
232    
233 schoenebeck 2604 show_all_children();
234     }
235    
236     ScriptEditor::~ScriptEditor() {
237     printf("ScriptEditor destruct\n");
238 schoenebeck 2896 #if USE_LS_SCRIPTVM
239 schoenebeck 2886 if (m_vm) delete m_vm;
240 schoenebeck 2896 #endif
241 schoenebeck 2604 }
242    
243 schoenebeck 2956 int ScriptEditor::currentFontSize() const {
244     #if defined(__APPLE__)
245 schoenebeck 2964 const int defaultFontSize = 13;
246 schoenebeck 2956 #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 schoenebeck 2604 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 schoenebeck 2897 //printf("onTextInserted()\n");
284 schoenebeck 2886 #if USE_LS_SCRIPTVM
285 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
286 schoenebeck 2886 updateSyntaxHighlightingByVM();
287 schoenebeck 2890 updateParserIssuesByVM();
288 schoenebeck 2899 updateStatusBar();
289 schoenebeck 2886 #else
290 schoenebeck 2610 //printf("inserted %d\n", length);
291 schoenebeck 2604 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 schoenebeck 2610 //printf("{%s}\n", s.c_str());
307 schoenebeck 2604 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 schoenebeck 2886
331     #endif // USE_LS_SCRIPTVM
332 schoenebeck 2604 }
333    
334 schoenebeck 2886 #if USE_LS_SCRIPTVM
335    
336 schoenebeck 2890 LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
337     if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
338     return m_vm;
339     }
340    
341 schoenebeck 2897 static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
342 schoenebeck 3206 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 schoenebeck 2897 end = start;
351     end.forward_lines(issue.lastLine - issue.firstLine);
352     end.forward_chars(
353     (issue.lastLine != issue.firstLine)
354     ? issue.lastColumn - 1
355     : issue.lastColumn - issue.firstColumn + 1
356     );
357     }
358    
359 schoenebeck 2886 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
360 schoenebeck 3206 Gtk::TextBuffer::iterator itLine =
361     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 schoenebeck 2886 Gtk::TextBuffer::iterator itEnd = itStart;
369     const int length = token.text().length();
370     itEnd.forward_chars(length);
371     txtbuf->apply_tag(tag, itStart, itEnd);
372     }
373    
374 schoenebeck 2890 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
375 schoenebeck 2897 Gtk::TextBuffer::iterator itStart, itEnd;
376     getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
377 schoenebeck 2890 txtbuf->apply_tag(tag, itStart, itEnd);
378     }
379    
380 schoenebeck 2886 void ScriptEditor::updateSyntaxHighlightingByVM() {
381 schoenebeck 2890 GetScriptVM();
382 schoenebeck 2886 const std::string s = m_textBuffer->get_text();
383 schoenebeck 2975 if (s.empty()) return;
384 schoenebeck 2886 std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
385    
386     for (int i = 0; i < tokens.size(); ++i) {
387     const LinuxSampler::VMSourceToken& token = tokens[i];
388    
389     if (token.isKeyword()) {
390     applyCodeTag(m_textBuffer, token, m_keywordTag);
391     } else if (token.isVariableName()) {
392     applyCodeTag(m_textBuffer, token, m_variableTag);
393     } else if (token.isIdentifier()) {
394     if (token.isEventHandlerName()) {
395     applyCodeTag(m_textBuffer, token, m_eventTag);
396     } else { // a function ...
397     applyCodeTag(m_textBuffer, token, m_functionTag);
398     }
399     } else if (token.isNumberLiteral()) {
400     applyCodeTag(m_textBuffer, token, m_numberTag);
401     } else if (token.isStringLiteral()) {
402     applyCodeTag(m_textBuffer, token, m_stringTag);
403     } else if (token.isComment()) {
404     applyCodeTag(m_textBuffer, token, m_commentTag);
405     } else if (token.isPreprocessor()) {
406     applyCodeTag(m_textBuffer, token, m_preprocTag);
407     } else if (token.isNewLine()) {
408     }
409     }
410     }
411    
412 schoenebeck 2890 void ScriptEditor::updateParserIssuesByVM() {
413     GetScriptVM();
414     const std::string s = m_textBuffer->get_text();
415     LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
416 schoenebeck 2896 m_issues = parserContext->issues();
417 schoenebeck 2899 m_errors = parserContext->errors();
418     m_warnings = parserContext->warnings();
419 schoenebeck 2890
420 schoenebeck 2975 if (!s.empty()) {
421     for (int i = 0; i < m_issues.size(); ++i) {
422     const LinuxSampler::ParserIssue& issue = m_issues[i];
423 schoenebeck 2890
424 schoenebeck 2975 if (issue.isErr()) {
425     applyCodeTag(m_textBuffer, issue, m_errorTag);
426     } else if (issue.isWrn()) {
427     applyCodeTag(m_textBuffer, issue, m_warningTag);
428     }
429 schoenebeck 2890 }
430     }
431    
432 schoenebeck 2897 delete parserContext;
433     }
434 schoenebeck 2896
435 schoenebeck 2897 void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
436     int x, y;
437     m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
438 schoenebeck 2896
439 schoenebeck 2897 Gtk::TextBuffer::iterator it;
440     m_textView.get_iter_at_location(it, x, y);
441    
442     const int line = it.get_line();
443     const int column = it.get_line_offset();
444    
445     //printf("mouse at l%d c%d\n", line, column);
446    
447     for (int i = 0; i < m_issues.size(); ++i) {
448     const LinuxSampler::ParserIssue& issue = m_issues[i];
449     const int firstLine = issue.firstLine - 1;
450     const int firstColumn = issue.firstColumn - 1;
451     const int lastLine = issue.lastLine - 1;
452     const int lastColumn = issue.lastColumn - 1;
453     if (firstLine <= line && line <= lastLine &&
454     (firstLine != line || firstColumn <= column) &&
455     (lastLine != line || lastColumn >= column))
456     {
457     m_textView.set_tooltip_markup(
458     (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
459     issue.txt
460     );
461     return;
462 schoenebeck 2896 }
463     }
464    
465 schoenebeck 2897 m_textView.set_tooltip_markup("");
466 schoenebeck 2890 }
467    
468 schoenebeck 2899 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 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
509    
510 schoenebeck 2604 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
511 schoenebeck 2610 //printf("erased\n");
512 schoenebeck 2886 #if USE_LS_SCRIPTVM
513 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
514 schoenebeck 2886 updateSyntaxHighlightingByVM();
515 schoenebeck 2890 updateParserIssuesByVM();
516 schoenebeck 2899 updateStatusBar();
517 schoenebeck 2886 #else
518 schoenebeck 2604 Gtk::TextBuffer::iterator itStart2 = itStart;
519     if (itStart2.inside_word() || itStart2.ends_word())
520     itStart2.backward_word_start();
521    
522     Gtk::TextBuffer::iterator itEnd2 = itEnd;
523     if (itEnd2.inside_word()) itEnd2.forward_word_end();
524    
525     m_textBuffer->remove_all_tags(itStart2, itEnd2);
526 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
527 schoenebeck 2604 }
528    
529 schoenebeck 2897 bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
530     #if USE_LS_SCRIPTVM
531     //TODO: event throttling would be a good idea here
532     updateIssueTooltip(e);
533     #endif
534     return ManagedWindow::on_motion_notify_event(e);
535     }
536    
537 schoenebeck 2956 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 schoenebeck 2898 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 schoenebeck 2604 void ScriptEditor::onModifiedChanged() {
607 schoenebeck 2898 m_applyButton.set_sensitive(isModified());
608 schoenebeck 2899 #if USE_LS_SCRIPTVM
609     updateStatusBar();
610     #endif
611 schoenebeck 2604 }
612    
613     void ScriptEditor::onButtonCancel() {
614 schoenebeck 2898 bool dropEvent = onWindowDelete(NULL);
615     if (dropEvent) return;
616 schoenebeck 2604 hide();
617     }
618    
619     void ScriptEditor::onButtonApply() {
620 schoenebeck 2903 signal_script_to_be_changed.emit(m_script);
621 schoenebeck 2604 m_script->SetScriptAsText(m_textBuffer->get_text());
622 schoenebeck 2903 signal_script_changed.emit(m_script);
623 schoenebeck 2604 m_textBuffer->set_modified(false);
624     }
625    
626     void ScriptEditor::onWindowHide() {
627     delete this; // this is the end, my friend
628     }

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