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

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Revision 3310 - (hide annotations) (download)
Sat Jul 15 12:02:21 2017 UTC (6 years, 8 months ago) by schoenebeck
File size: 25526 byte(s)
* Script Editor: Show line numbers.
* Bumped version (1.0.0.svn58).

1 schoenebeck 2604 /*
2 schoenebeck 3225 Copyright (c) 2014-2017 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 schoenebeck 3310 #include <gtk/gtkwidget.h> // for gtk_widget_modify_*()
11 schoenebeck 2604
12 schoenebeck 2886 #if !USE_LS_SCRIPTVM
13    
14 schoenebeck 2604 static const std::string _keywords[] = {
15     "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
16 schoenebeck 3261 "select", "to", "const", "polyphonic", "mod", "synchronized"
17 schoenebeck 2604 };
18     static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
19    
20     static const std::string _eventNames[] = {
21     "init", "note", "release", "controller"
22     };
23     static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string);
24    
25     static bool isKeyword(const Glib::ustring& s) {
26     for (int i = 0; i < _keywordsSz; ++i)
27     if (_keywords[i] == s) return true;
28     return false;
29     }
30    
31     static bool isEvent(const Glib::ustring& s) {
32     for (int i = 0; i < _eventNamesSz; ++i)
33     if (_eventNames[i] == s) return true;
34     return false;
35     }
36    
37 schoenebeck 2886 #endif // !USE_LS_SCRIPTVM
38    
39 schoenebeck 2899 static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {
40     const int targetH = 16;
41     Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);
42     int w = 0;
43     int h = 0; // ignored
44     Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);
45 schoenebeck 2928 if (!theme->has_icon(name))
46     return Glib::RefPtr<Gdk::Pixbuf>();
47 schoenebeck 2899 Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);
48     if (pixbuf->get_height() != targetH) {
49     pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);
50     }
51     return pixbuf;
52     }
53    
54 schoenebeck 2928 static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::vector<std::string> alternativeNames, const Glib::RefPtr<Gdk::Screen>& screen) {
55     for (int i = 0; i < alternativeNames.size(); ++i) {
56     Glib::RefPtr<Gdk::Pixbuf> buf = createIcon(alternativeNames[i], screen);
57     if (buf) return buf;
58     }
59     return Glib::RefPtr<Gdk::Pixbuf>();
60     }
61    
62 schoenebeck 2604 ScriptEditor::ScriptEditor() :
63 schoenebeck 2899 m_statusLabel("", Gtk::ALIGN_START),
64 schoenebeck 3158 m_applyButton(Gtk::Stock::APPLY),
65     m_cancelButton(Gtk::Stock::CANCEL)
66 schoenebeck 2604 {
67     m_script = NULL;
68 schoenebeck 2896 #if USE_LS_SCRIPTVM
69 schoenebeck 2886 m_vm = NULL;
70 schoenebeck 2896 #endif
71 schoenebeck 2604
72 schoenebeck 3225 if (!Settings::singleton()->autoRestoreWindowDimension) {
73     set_default_size(800, 700);
74     set_position(Gtk::WIN_POS_MOUSE);
75     }
76    
77 schoenebeck 2928 // depending on GTK version and installed themes, there may be different
78     // icons, and different names for them, so for each type of icon we use,
79     // we provide a list of possible icon names, the first one found to be
80     // installed on the local system from the list will be used and loaded for
81     // the respective purpose (so order matters in those lists)
82     //
83     // (see https://developer.gnome.org/gtkmm/stable/namespaceGtk_1_1Stock.html for
84     // available icon names)
85     std::vector<std::string> errorIconNames;
86     errorIconNames.push_back("dialog-error");
87     errorIconNames.push_back("media-record");
88     errorIconNames.push_back("process-stop");
89 schoenebeck 2899
90 schoenebeck 2928 std::vector<std::string> warningIconNames;
91     warningIconNames.push_back("dialog-warning-symbolic");
92     warningIconNames.push_back("dialog-warning");
93    
94     std::vector<std::string> successIconNames;
95     successIconNames.push_back("emblem-default");
96     successIconNames.push_back("tools-check-spelling");
97    
98     m_errorIcon = createIcon(errorIconNames, get_screen());
99     m_warningIcon = createIcon(warningIconNames, get_screen());
100     m_successIcon = createIcon(successIconNames, get_screen());
101    
102 schoenebeck 2604 add(m_vbox);
103    
104     m_tagTable = Gtk::TextBuffer::TagTable::create();
105 schoenebeck 2886
106 schoenebeck 2604 m_keywordTag = Gtk::TextBuffer::Tag::create();
107 schoenebeck 2887 m_keywordTag->property_foreground() = "#000000"; // black
108 schoenebeck 2604 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
109     m_tagTable->add(m_keywordTag);
110 schoenebeck 2886
111 schoenebeck 2604 m_eventTag = Gtk::TextBuffer::Tag::create();
112 schoenebeck 2887 m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
113 schoenebeck 2610 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
114 schoenebeck 2604 m_tagTable->add(m_eventTag);
115 schoenebeck 2886
116     m_variableTag = Gtk::TextBuffer::Tag::create();
117 schoenebeck 2887 m_variableTag->property_foreground() = "#790cc4"; // magenta
118 schoenebeck 2886 m_tagTable->add(m_variableTag);
119    
120     m_functionTag = Gtk::TextBuffer::Tag::create();
121 schoenebeck 2887 m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
122 schoenebeck 2886 m_tagTable->add(m_functionTag);
123    
124     m_numberTag = Gtk::TextBuffer::Tag::create();
125 schoenebeck 2887 m_numberTag->property_foreground() = "#c4950c"; // yellow
126 schoenebeck 2886 m_tagTable->add(m_numberTag);
127    
128     m_stringTag = Gtk::TextBuffer::Tag::create();
129 schoenebeck 2887 m_stringTag->property_foreground() = "#c40c0c"; // red
130 schoenebeck 2886 m_tagTable->add(m_stringTag);
131    
132     m_commentTag = Gtk::TextBuffer::Tag::create();
133 schoenebeck 2887 m_commentTag->property_foreground() = "#9c9c9c"; // gray
134 schoenebeck 2886 m_tagTable->add(m_commentTag);
135    
136 schoenebeck 3286 #define PREPROC_TOKEN_COLOR "#2f8a33" // green
137    
138 schoenebeck 2886 m_preprocTag = Gtk::TextBuffer::Tag::create();
139 schoenebeck 3286 m_preprocTag->property_foreground() = PREPROC_TOKEN_COLOR;
140 schoenebeck 2886 m_tagTable->add(m_preprocTag);
141    
142 schoenebeck 3286 m_preprocCommentTag = Gtk::TextBuffer::Tag::create();
143     m_preprocCommentTag->property_strikethrough() = true;
144     m_preprocCommentTag->property_background() = "#e5e5e5";
145     m_tagTable->add(m_preprocCommentTag);
146    
147 schoenebeck 2890 m_errorTag = Gtk::TextBuffer::Tag::create();
148     m_errorTag->property_background() = "#ff9393"; // red
149     m_tagTable->add(m_errorTag);
150    
151     m_warningTag = Gtk::TextBuffer::Tag::create();
152     m_warningTag->property_background() = "#fffd7c"; // yellow
153     m_tagTable->add(m_warningTag);
154    
155 schoenebeck 3310 m_lineNrTag = Gtk::TextBuffer::Tag::create();
156     m_lineNrTag->property_foreground() = "#CCCCCC";
157     m_tagTable->add(m_lineNrTag);
158    
159 schoenebeck 2901 // create menu
160     m_actionGroup = Gtk::ActionGroup::create();
161     m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script")));
162     m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")),
163     Gtk::AccelKey("<control>s"),
164     sigc::mem_fun(*this, &ScriptEditor::onButtonApply));
165     m_actionGroup->add(Gtk::Action::create("Close", _("_Close")),
166 schoenebeck 2903 Gtk::AccelKey("<control>q"),
167 schoenebeck 2901 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
168 schoenebeck 2956 m_actionGroup->add(Gtk::Action::create("MenuEditor", _("_Editor")));
169     m_actionGroup->add(Gtk::Action::create("ChangeFont", _("_Font Size ...")),
170     sigc::mem_fun(*this, &ScriptEditor::onMenuChangeFontSize));
171 schoenebeck 2901 m_uiManager = Gtk::UIManager::create();
172     m_uiManager->insert_action_group(m_actionGroup);
173     add_accel_group(m_uiManager->get_accel_group());
174     m_uiManager->add_ui_from_string(
175     "<ui>"
176     " <menubar name='MenuBar'>"
177     " <menu action='MenuScript'>"
178     " <menuitem action='Apply'/>"
179     " <separator/>"
180     " <menuitem action='Close'/>"
181     " </menu>"
182 schoenebeck 2956 " <menu action='MenuEditor'>"
183     " <menuitem action='ChangeFont'/>"
184     " </menu>"
185 schoenebeck 2901 " </menubar>"
186     "</ui>"
187     );
188    
189 schoenebeck 3310 m_lineNrBuffer = Gtk::TextBuffer::create(m_tagTable);
190     m_lineNrView.set_buffer(m_lineNrBuffer);
191     m_lineNrView.set_left_margin(3);
192     m_lineNrView.set_right_margin(3);
193     m_lineNrTextViewSpacer.set_size_request(5);
194     {
195     Gdk::Color color;
196     color.set("#F5F5F5");
197     GtkWidget* widget = (GtkWidget*) m_lineNrView.gobj();
198     gtk_widget_modify_base(widget, GTK_STATE_NORMAL, color.gobj());
199     gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, color.gobj());
200     }
201     {
202     Gdk::Color color;
203     color.set("#EEEEEE");
204     GtkWidget* widget = (GtkWidget*) m_lineNrTextViewSpacer.gobj();
205     gtk_widget_modify_base(widget, GTK_STATE_NORMAL, color.gobj());
206     gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, color.gobj());
207     }
208 schoenebeck 2604 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
209     m_textView.set_buffer(m_textBuffer);
210 schoenebeck 3310 m_textView.set_left_margin(5);
211 schoenebeck 2956 setFontSize(currentFontSize(), false);
212 schoenebeck 3310 m_textViewHBox.pack_start(m_lineNrView, Gtk::PACK_SHRINK);
213     m_textViewHBox.pack_start(m_lineNrTextViewSpacer, Gtk::PACK_SHRINK);
214     m_textViewHBox.add(m_textView);
215     m_scrolledWindow.add(m_textViewHBox);
216 schoenebeck 2604 m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
217 schoenebeck 2901
218     Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
219     m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
220 schoenebeck 2604 m_vbox.pack_start(m_scrolledWindow);
221    
222     m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
223     m_buttonBox.pack_start(m_applyButton);
224     m_buttonBox.pack_start(m_cancelButton);
225     m_applyButton.set_can_default();
226     m_applyButton.set_sensitive(false);
227     m_applyButton.grab_focus();
228 schoenebeck 2901
229 schoenebeck 2900 #if GTKMM_MAJOR_VERSION >= 3
230 schoenebeck 2899 m_statusImage.set_margin_left(6);
231     m_statusImage.set_margin_right(6);
232 schoenebeck 2900 #else
233     m_statusHBox.set_spacing(6);
234     #endif
235 schoenebeck 2604
236 schoenebeck 2899 m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
237     m_statusHBox.pack_start(m_statusLabel);
238     m_statusHBox.show_all_children();
239    
240     m_footerHBox.pack_start(m_statusHBox);
241     m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
242    
243     m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
244    
245 schoenebeck 2604 m_applyButton.signal_clicked().connect(
246     sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
247     );
248    
249     m_cancelButton.signal_clicked().connect(
250     sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
251     );
252    
253     m_textBuffer->signal_insert().connect(
254     sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
255     );
256    
257     m_textBuffer->signal_erase().connect(
258     sigc::mem_fun(*this, &ScriptEditor::onTextErased)
259     );
260    
261     m_textBuffer->signal_modified_changed().connect(
262     sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
263     );
264    
265     signal_hide().connect(
266     sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
267     );
268    
269 schoenebeck 2898 signal_delete_event().connect(
270     sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
271     );
272    
273 schoenebeck 2604 show_all_children();
274     }
275    
276     ScriptEditor::~ScriptEditor() {
277     printf("ScriptEditor destruct\n");
278 schoenebeck 2896 #if USE_LS_SCRIPTVM
279 schoenebeck 2886 if (m_vm) delete m_vm;
280 schoenebeck 2896 #endif
281 schoenebeck 2604 }
282    
283 schoenebeck 2956 int ScriptEditor::currentFontSize() const {
284     #if defined(__APPLE__)
285 schoenebeck 2964 const int defaultFontSize = 13;
286 schoenebeck 2956 #else
287     const int defaultFontSize = 10;
288     #endif
289     const int settingFontSize = Settings::singleton()->scriptEditorFontSize;
290     const int fontSize = (settingFontSize > 0) ? settingFontSize : defaultFontSize;
291     return fontSize;
292     }
293    
294     void ScriptEditor::setFontSize(int size, bool save) {
295     //printf("setFontSize(%d,%d)\n", size, save);
296     Pango::FontDescription fdesc;
297     fdesc.set_family("monospace");
298     fdesc.set_size(size * PANGO_SCALE);
299     #if GTKMM_MAJOR_VERSION < 3
300 schoenebeck 3310 m_lineNrView.modify_font(fdesc);
301 schoenebeck 2956 m_textView.modify_font(fdesc);
302     #else
303 schoenebeck 3310 m_lineNrView.override_font(fdesc);
304 schoenebeck 2956 m_textView.override_font(fdesc);
305     #endif
306     if (save) Settings::singleton()->scriptEditorFontSize = size;
307     }
308    
309 schoenebeck 2604 void ScriptEditor::setScript(gig::Script* script) {
310     m_script = script;
311     if (!script) {
312     set_title(_("No Script"));
313     return;
314     }
315    
316     set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
317    
318     std::string txt = script->GetScriptAsText();
319     //printf("text : '%s'\n", txt.c_str());
320     m_textBuffer->set_text(txt);
321     m_textBuffer->set_modified(false);
322     }
323    
324 schoenebeck 3310 void ScriptEditor::updateLineNumbers() {
325     const int n = m_textBuffer->get_line_count();
326     const int old = m_lineNrBuffer->get_line_count();
327     if (n == old) return;
328     Glib::ustring s;
329     for (int i = 0; i < n; ++i) {
330     if (i) s += "\n";
331     s += ToString(i+1);
332     }
333     m_lineNrBuffer->remove_all_tags(m_lineNrBuffer->begin(), m_lineNrBuffer->end());
334     m_lineNrBuffer->set_text(s);
335     m_lineNrBuffer->apply_tag(m_lineNrTag, m_lineNrBuffer->begin(), m_lineNrBuffer->end());
336     }
337    
338 schoenebeck 2604 void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
339 schoenebeck 2897 //printf("onTextInserted()\n");
340 schoenebeck 2886 #if USE_LS_SCRIPTVM
341 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
342 schoenebeck 2886 updateSyntaxHighlightingByVM();
343 schoenebeck 2890 updateParserIssuesByVM();
344 schoenebeck 2899 updateStatusBar();
345 schoenebeck 2886 #else
346 schoenebeck 2610 //printf("inserted %d\n", length);
347 schoenebeck 2604 Gtk::TextBuffer::iterator itStart = itEnd;
348     itStart.backward_chars(length);
349    
350     Gtk::TextBuffer::iterator it = itStart;
351     it.backward_word_start();
352    
353     bool eofReached = false;
354     while (it <= itEnd) {
355     Gtk::TextBuffer::iterator itWordStart = it;
356     if (!it.forward_word_end()) {
357     eofReached = true;
358     it = itEnd;
359     }
360    
361     Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
362 schoenebeck 2610 //printf("{%s}\n", s.c_str());
363 schoenebeck 2604 if (isKeyword(s))
364     m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
365     else if (isEvent(s)) {
366     // check if previous word is "on"
367     Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
368     if (itPreviousWordStart.backward_word_start()) {
369     Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
370     itPreviousWordEnd.forward_word_end();
371     if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
372     m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
373     }
374     }
375     }
376    
377     if (eofReached) break;
378    
379     while (!it.inside_word())
380     if (!it.forward_char())
381     goto EOF_REACHED;
382     }
383    
384     EOF_REACHED:
385     ;
386 schoenebeck 2886
387     #endif // USE_LS_SCRIPTVM
388 schoenebeck 3310 updateLineNumbers();
389 schoenebeck 2604 }
390    
391 schoenebeck 2886 #if USE_LS_SCRIPTVM
392    
393 schoenebeck 2890 LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
394     if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
395     return m_vm;
396     }
397    
398 schoenebeck 3286 template<class T>
399     static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const T& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
400 schoenebeck 3206 Gtk::TextBuffer::iterator itLine =
401     txtbuf->get_iter_at_line_index(issue.firstLine - 1, 0);
402     const int charsInLine = itLine.get_bytes_in_line();
403     start = txtbuf->get_iter_at_line_index(
404     issue.firstLine - 1,
405     // check we are not getting past the end of the line here, otherwise Gtk crashes
406     issue.firstColumn - 1 < charsInLine ? issue.firstColumn - 1 : charsInLine - 1
407     );
408 schoenebeck 2897 end = start;
409     end.forward_lines(issue.lastLine - issue.firstLine);
410     end.forward_chars(
411     (issue.lastLine != issue.firstLine)
412     ? issue.lastColumn - 1
413     : issue.lastColumn - issue.firstColumn + 1
414     );
415     }
416    
417 schoenebeck 2886 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
418 schoenebeck 3206 Gtk::TextBuffer::iterator itLine =
419     txtbuf->get_iter_at_line_index(token.firstLine(), 0);
420     const int charsInLine = itLine.get_bytes_in_line();
421     Gtk::TextBuffer::iterator itStart = txtbuf->get_iter_at_line_index(
422     token.firstLine(),
423     // check we are not getting past the end of the line here, otherwise Gtk crashes
424     token.firstColumn() < charsInLine ? token.firstColumn() : charsInLine - 1
425     );
426 schoenebeck 2886 Gtk::TextBuffer::iterator itEnd = itStart;
427     const int length = token.text().length();
428     itEnd.forward_chars(length);
429     txtbuf->apply_tag(tag, itStart, itEnd);
430     }
431    
432 schoenebeck 2890 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
433 schoenebeck 2897 Gtk::TextBuffer::iterator itStart, itEnd;
434     getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
435 schoenebeck 2890 txtbuf->apply_tag(tag, itStart, itEnd);
436     }
437    
438 schoenebeck 3286 static void applyPreprocessorComment(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::CodeBlock& block, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
439     Gtk::TextBuffer::iterator itStart, itEnd;
440     getIteratorsForIssue(txtbuf, block, itStart, itEnd);
441     txtbuf->apply_tag(tag, itStart, itEnd);
442     }
443    
444 schoenebeck 2886 void ScriptEditor::updateSyntaxHighlightingByVM() {
445 schoenebeck 2890 GetScriptVM();
446 schoenebeck 2886 const std::string s = m_textBuffer->get_text();
447 schoenebeck 2975 if (s.empty()) return;
448 schoenebeck 2886 std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
449    
450     for (int i = 0; i < tokens.size(); ++i) {
451     const LinuxSampler::VMSourceToken& token = tokens[i];
452    
453     if (token.isKeyword()) {
454     applyCodeTag(m_textBuffer, token, m_keywordTag);
455     } else if (token.isVariableName()) {
456     applyCodeTag(m_textBuffer, token, m_variableTag);
457     } else if (token.isIdentifier()) {
458     if (token.isEventHandlerName()) {
459     applyCodeTag(m_textBuffer, token, m_eventTag);
460     } else { // a function ...
461     applyCodeTag(m_textBuffer, token, m_functionTag);
462     }
463     } else if (token.isNumberLiteral()) {
464     applyCodeTag(m_textBuffer, token, m_numberTag);
465     } else if (token.isStringLiteral()) {
466     applyCodeTag(m_textBuffer, token, m_stringTag);
467     } else if (token.isComment()) {
468     applyCodeTag(m_textBuffer, token, m_commentTag);
469     } else if (token.isPreprocessor()) {
470     applyCodeTag(m_textBuffer, token, m_preprocTag);
471     } else if (token.isNewLine()) {
472     }
473     }
474     }
475    
476 schoenebeck 2890 void ScriptEditor::updateParserIssuesByVM() {
477     GetScriptVM();
478     const std::string s = m_textBuffer->get_text();
479     LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
480 schoenebeck 2896 m_issues = parserContext->issues();
481 schoenebeck 2899 m_errors = parserContext->errors();
482     m_warnings = parserContext->warnings();
483 schoenebeck 3286 m_preprocComments = parserContext->preprocessorComments();
484 schoenebeck 2890
485 schoenebeck 2975 if (!s.empty()) {
486     for (int i = 0; i < m_issues.size(); ++i) {
487     const LinuxSampler::ParserIssue& issue = m_issues[i];
488 schoenebeck 2890
489 schoenebeck 2975 if (issue.isErr()) {
490     applyCodeTag(m_textBuffer, issue, m_errorTag);
491     } else if (issue.isWrn()) {
492     applyCodeTag(m_textBuffer, issue, m_warningTag);
493     }
494 schoenebeck 2890 }
495     }
496    
497 schoenebeck 3286 for (int i = 0; i < m_preprocComments.size(); ++i) {
498     applyPreprocessorComment(m_textBuffer, m_preprocComments[i],
499     m_preprocCommentTag);
500     }
501    
502 schoenebeck 2897 delete parserContext;
503     }
504 schoenebeck 2896
505 schoenebeck 2897 void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
506     int x, y;
507     m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
508 schoenebeck 2896
509 schoenebeck 2897 Gtk::TextBuffer::iterator it;
510     m_textView.get_iter_at_location(it, x, y);
511    
512     const int line = it.get_line();
513     const int column = it.get_line_offset();
514    
515     //printf("mouse at l%d c%d\n", line, column);
516    
517     for (int i = 0; i < m_issues.size(); ++i) {
518     const LinuxSampler::ParserIssue& issue = m_issues[i];
519     const int firstLine = issue.firstLine - 1;
520     const int firstColumn = issue.firstColumn - 1;
521     const int lastLine = issue.lastLine - 1;
522     const int lastColumn = issue.lastColumn - 1;
523     if (firstLine <= line && line <= lastLine &&
524     (firstLine != line || firstColumn <= column) &&
525     (lastLine != line || lastColumn >= column))
526     {
527     m_textView.set_tooltip_markup(
528     (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
529     issue.txt
530     );
531     return;
532 schoenebeck 2896 }
533     }
534    
535 schoenebeck 3286 for (int i = 0; i < m_preprocComments.size(); ++i) {
536     const LinuxSampler::CodeBlock& block = m_preprocComments[i];
537     const int firstLine = block.firstLine - 1;
538     const int firstColumn = block.firstColumn - 1;
539     const int lastLine = block.lastLine - 1;
540     const int lastColumn = block.lastColumn - 1;
541     if (firstLine <= line && line <= lastLine &&
542     (firstLine != line || firstColumn <= column) &&
543     (lastLine != line || lastColumn >= column))
544     {
545     m_textView.set_tooltip_markup(
546     "Code block filtered out by preceding <span foreground=\"" PREPROC_TOKEN_COLOR "\">preprocessor</span> statement."
547     );
548     return;
549     }
550     }
551    
552 schoenebeck 2897 m_textView.set_tooltip_markup("");
553 schoenebeck 2890 }
554    
555 schoenebeck 2899 static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
556     std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
557     txt += (warnings.size() == 1) ? " Warning" : " Warnings";
558     txt += "</span>";
559     return txt;
560     }
561    
562     static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
563     std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
564     txt += (errors.size() == 1) ? " Error" : " Errors";
565     txt += "</span>";
566     return txt;
567     }
568    
569     void ScriptEditor::updateStatusBar() {
570     // update status text
571     std::string txt;
572     if (m_issues.empty()) {
573     txt = "No issues with this script.";
574     } else {
575     const char* txtWontLoad = ". Sampler won't load instruments using this script!";
576     txt = "There ";
577     txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
578     if (m_errors.empty()) {
579     txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
580     } else if (m_warnings.empty()) {
581     txt += errorsCountTxt(m_errors) + txtWontLoad;
582     } else {
583     txt += errorsCountTxt(m_errors) + " and " +
584     warningsCountTxt(m_warnings) + txtWontLoad;
585     }
586     }
587     m_statusLabel.set_markup(txt);
588    
589     // update status icon
590     m_statusImage.set(
591     m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
592     );
593     }
594    
595 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
596    
597 schoenebeck 2604 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
598 schoenebeck 2610 //printf("erased\n");
599 schoenebeck 2886 #if USE_LS_SCRIPTVM
600 schoenebeck 2890 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
601 schoenebeck 2886 updateSyntaxHighlightingByVM();
602 schoenebeck 2890 updateParserIssuesByVM();
603 schoenebeck 2899 updateStatusBar();
604 schoenebeck 2886 #else
605 schoenebeck 2604 Gtk::TextBuffer::iterator itStart2 = itStart;
606     if (itStart2.inside_word() || itStart2.ends_word())
607     itStart2.backward_word_start();
608    
609     Gtk::TextBuffer::iterator itEnd2 = itEnd;
610     if (itEnd2.inside_word()) itEnd2.forward_word_end();
611    
612     m_textBuffer->remove_all_tags(itStart2, itEnd2);
613 schoenebeck 2886 #endif // USE_LS_SCRIPTVM
614 schoenebeck 3310 updateLineNumbers();
615 schoenebeck 2604 }
616    
617 schoenebeck 2897 bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
618     #if USE_LS_SCRIPTVM
619     //TODO: event throttling would be a good idea here
620     updateIssueTooltip(e);
621     #endif
622     return ManagedWindow::on_motion_notify_event(e);
623     }
624    
625 schoenebeck 2956 void ScriptEditor::onMenuChangeFontSize() {
626     //TODO: for GTKMM >= 3.2 class Gtk::FontChooser could be used instead
627     Gtk::Dialog dialog(_("Font Size"), true /*modal*/);
628     Gtk::HBox hbox;
629     hbox.set_spacing(6);
630    
631     Gtk::Label label(_("Editor's Font Size:"), Gtk::ALIGN_START);
632     hbox.pack_start(label, Gtk::PACK_SHRINK);
633    
634     Gtk::SpinButton spinButton;
635     spinButton.set_range(4, 80);
636     spinButton.set_increments(1, 10);
637     spinButton.set_value(currentFontSize());
638     hbox.pack_start(spinButton);
639    
640     dialog.get_vbox()->pack_start(hbox);
641     dialog.add_button(_("_OK"), 0);
642     dialog.add_button(_("_Cancel"), 1);
643    
644     dialog.show_all_children();
645    
646     if (!dialog.run()) { // OK selected ...
647     const int newFontSize = spinButton.get_value_as_int();
648     if (newFontSize >= 4)
649     setFontSize(newFontSize, true);
650     }
651     }
652    
653 schoenebeck 2898 bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
654     //printf("onWindowDelete\n");
655    
656     if (!isModified()) return false; // propagate event further (which will close this window)
657    
658     gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
659     m_script->Name.c_str());
660     Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
661     g_free(msg);
662     dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
663     dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
664     dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
665     dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
666     dialog.set_default_response(Gtk::RESPONSE_YES);
667     int response = dialog.run();
668     dialog.hide();
669    
670     // user decided to close script editor without saving
671     if (response == Gtk::RESPONSE_NO)
672     return false; // propagate event further (which will close this window)
673    
674     // user cancelled dialog, thus don't close script editor
675     if (response == Gtk::RESPONSE_CANCEL) {
676     show();
677     return true; // drop event (prevents closing this window)
678     }
679    
680     // user wants to apply the changes, afterwards close window
681     if (response == Gtk::RESPONSE_YES) {
682     onButtonApply();
683     return false; // propagate event further (which will close this window)
684     }
685    
686     // should never ever make it to this point actually
687     return false;
688     }
689    
690     bool ScriptEditor::isModified() const {
691     return m_textBuffer->get_modified();
692     }
693    
694 schoenebeck 2604 void ScriptEditor::onModifiedChanged() {
695 schoenebeck 2898 m_applyButton.set_sensitive(isModified());
696 schoenebeck 2899 #if USE_LS_SCRIPTVM
697     updateStatusBar();
698     #endif
699 schoenebeck 2604 }
700    
701     void ScriptEditor::onButtonCancel() {
702 schoenebeck 2898 bool dropEvent = onWindowDelete(NULL);
703     if (dropEvent) return;
704 schoenebeck 2604 hide();
705     }
706    
707     void ScriptEditor::onButtonApply() {
708 schoenebeck 2903 signal_script_to_be_changed.emit(m_script);
709 schoenebeck 2604 m_script->SetScriptAsText(m_textBuffer->get_text());
710 schoenebeck 2903 signal_script_changed.emit(m_script);
711 schoenebeck 2604 m_textBuffer->set_modified(false);
712     }
713    
714     void ScriptEditor::onWindowHide() {
715     delete this; // this is the end, my friend
716     }

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