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

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Revision 2896 - (show annotations) (download)
Sun May 1 14:51:55 2016 UTC (4 years, 10 months ago) by schoenebeck
File size: 13341 byte(s)
* EXPERIMENTAL: Show error/warning icon at the respective script
  locations of instrument script editor.
* Bumped version (1.0.0.svn8).

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 ScriptEditor::ScriptEditor() :
39 m_applyButton(_("_Apply"), true),
40 m_cancelButton(_("_Cancel"), true)
41 {
42 m_script = NULL;
43 #if USE_LS_SCRIPTVM
44 m_vm = NULL;
45 #endif
46 m_ignoreEraseEvents = false;
47
48 add(m_vbox);
49
50 m_tagTable = Gtk::TextBuffer::TagTable::create();
51
52 m_keywordTag = Gtk::TextBuffer::Tag::create();
53 m_keywordTag->property_foreground() = "#000000"; // black
54 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
55 m_tagTable->add(m_keywordTag);
56
57 m_eventTag = Gtk::TextBuffer::Tag::create();
58 m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
59 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
60 m_tagTable->add(m_eventTag);
61
62 m_variableTag = Gtk::TextBuffer::Tag::create();
63 m_variableTag->property_foreground() = "#790cc4"; // magenta
64 m_tagTable->add(m_variableTag);
65
66 m_functionTag = Gtk::TextBuffer::Tag::create();
67 m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
68 m_tagTable->add(m_functionTag);
69
70 m_numberTag = Gtk::TextBuffer::Tag::create();
71 m_numberTag->property_foreground() = "#c4950c"; // yellow
72 m_tagTable->add(m_numberTag);
73
74 m_stringTag = Gtk::TextBuffer::Tag::create();
75 m_stringTag->property_foreground() = "#c40c0c"; // red
76 m_tagTable->add(m_stringTag);
77
78 m_commentTag = Gtk::TextBuffer::Tag::create();
79 m_commentTag->property_foreground() = "#9c9c9c"; // gray
80 m_tagTable->add(m_commentTag);
81
82 m_preprocTag = Gtk::TextBuffer::Tag::create();
83 m_preprocTag->property_foreground() = "#2f8a33"; // green
84 m_tagTable->add(m_preprocTag);
85
86 m_errorTag = Gtk::TextBuffer::Tag::create();
87 m_errorTag->property_background() = "#ff9393"; // red
88 m_tagTable->add(m_errorTag);
89
90 m_warningTag = Gtk::TextBuffer::Tag::create();
91 m_warningTag->property_background() = "#fffd7c"; // yellow
92 m_tagTable->add(m_warningTag);
93
94 m_readOnlyTag = Gtk::TextBuffer::Tag::create();
95 m_readOnlyTag->property_editable() = false;
96 m_tagTable->add(m_readOnlyTag);
97
98 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
99 m_textView.set_buffer(m_textBuffer);
100 {
101 Pango::FontDescription fdesc;
102 fdesc.set_family("monospace");
103 #if defined(__APPLE__)
104 fdesc.set_size(12 * PANGO_SCALE);
105 #else
106 fdesc.set_size(10 * PANGO_SCALE);
107 #endif
108 #if GTKMM_MAJOR_VERSION < 3
109 m_textView.modify_font(fdesc);
110 #else
111 m_textView.override_font(fdesc);
112 #endif
113 }
114 m_scrolledWindow.add(m_textView);
115 m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
116 m_vbox.pack_start(m_scrolledWindow);
117
118 m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
119 m_buttonBox.pack_start(m_applyButton);
120 m_buttonBox.pack_start(m_cancelButton);
121 m_applyButton.set_can_default();
122 m_applyButton.set_sensitive(false);
123 m_applyButton.grab_focus();
124 m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
125
126 m_applyButton.signal_clicked().connect(
127 sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
128 );
129
130 m_cancelButton.signal_clicked().connect(
131 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
132 );
133
134 m_textBuffer->signal_insert().connect(
135 sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
136 );
137
138 m_textBuffer->signal_erase().connect(
139 sigc::mem_fun(*this, &ScriptEditor::onTextErased)
140 );
141
142 m_textBuffer->signal_modified_changed().connect(
143 sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
144 );
145
146 signal_hide().connect(
147 sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
148 );
149
150 show_all_children();
151
152 resize(460,300);
153 }
154
155 ScriptEditor::~ScriptEditor() {
156 printf("ScriptEditor destruct\n");
157 #if USE_LS_SCRIPTVM
158 if (m_vm) delete m_vm;
159 #endif
160 }
161
162 void ScriptEditor::setScript(gig::Script* script) {
163 m_script = script;
164 if (!script) {
165 set_title(_("No Script"));
166 return;
167 }
168
169 set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
170
171 std::string txt = script->GetScriptAsText();
172 //printf("text : '%s'\n", txt.c_str());
173 m_textBuffer->set_text(txt);
174 m_textBuffer->set_modified(false);
175 }
176
177 void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
178 printf("onTextInserted()\n");
179 fflush(stdout);
180 #if USE_LS_SCRIPTVM
181 removeIssueAnchors();
182 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
183 updateSyntaxHighlightingByVM();
184 updateParserIssuesByVM();
185 #else
186 //printf("inserted %d\n", length);
187 Gtk::TextBuffer::iterator itStart = itEnd;
188 itStart.backward_chars(length);
189
190 Gtk::TextBuffer::iterator it = itStart;
191 it.backward_word_start();
192
193 bool eofReached = false;
194 while (it <= itEnd) {
195 Gtk::TextBuffer::iterator itWordStart = it;
196 if (!it.forward_word_end()) {
197 eofReached = true;
198 it = itEnd;
199 }
200
201 Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
202 //printf("{%s}\n", s.c_str());
203 if (isKeyword(s))
204 m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
205 else if (isEvent(s)) {
206 // check if previous word is "on"
207 Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
208 if (itPreviousWordStart.backward_word_start()) {
209 Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
210 itPreviousWordEnd.forward_word_end();
211 if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
212 m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
213 }
214 }
215 }
216
217 if (eofReached) break;
218
219 while (!it.inside_word())
220 if (!it.forward_char())
221 goto EOF_REACHED;
222 }
223
224 EOF_REACHED:
225 ;
226
227 #endif // USE_LS_SCRIPTVM
228 }
229
230 #if USE_LS_SCRIPTVM
231
232 LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
233 if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
234 return m_vm;
235 }
236
237 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
238 Gtk::TextBuffer::iterator itStart =
239 txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
240 Gtk::TextBuffer::iterator itEnd = itStart;
241 const int length = token.text().length();
242 itEnd.forward_chars(length);
243 txtbuf->apply_tag(tag, itStart, itEnd);
244 }
245
246 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
247 Gtk::TextBuffer::iterator itStart =
248 txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
249 Gtk::TextBuffer::iterator itEnd = itStart;
250 itEnd.forward_lines(issue.lastLine - issue.firstLine);
251 itEnd.forward_chars(
252 (issue.lastLine != issue.firstLine)
253 ? issue.lastColumn - 1
254 : issue.lastColumn - issue.firstColumn + 1
255 );
256 txtbuf->apply_tag(tag, itStart, itEnd);
257 }
258
259 void ScriptEditor::removeIssueAnchors() {
260 m_ignoreEraseEvents = true; // avoid endless recursion
261
262 for (int i = 0; i < m_issues.size(); ++i) {
263 const LinuxSampler::ParserIssue& issue = m_issues[i];
264 printf("erase anchor at l%d c%d\n", issue.firstLine - 1, issue.firstColumn - 1);
265 fflush(stdout);
266 Gtk::TextBuffer::iterator iter = m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
267 Gtk::TextBuffer::iterator iterEnd = iter;
268 iterEnd.forward_chars(1);
269 m_textBuffer->erase(iter, iterEnd);
270 }
271
272 m_ignoreEraseEvents = false; // back to normal
273 }
274
275 void ScriptEditor::updateSyntaxHighlightingByVM() {
276 GetScriptVM();
277 const std::string s = m_textBuffer->get_text();
278 std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
279
280 for (int i = 0; i < tokens.size(); ++i) {
281 const LinuxSampler::VMSourceToken& token = tokens[i];
282
283 if (token.isKeyword()) {
284 applyCodeTag(m_textBuffer, token, m_keywordTag);
285 } else if (token.isVariableName()) {
286 applyCodeTag(m_textBuffer, token, m_variableTag);
287 } else if (token.isIdentifier()) {
288 if (token.isEventHandlerName()) {
289 applyCodeTag(m_textBuffer, token, m_eventTag);
290 } else { // a function ...
291 applyCodeTag(m_textBuffer, token, m_functionTag);
292 }
293 } else if (token.isNumberLiteral()) {
294 applyCodeTag(m_textBuffer, token, m_numberTag);
295 } else if (token.isStringLiteral()) {
296 applyCodeTag(m_textBuffer, token, m_stringTag);
297 } else if (token.isComment()) {
298 applyCodeTag(m_textBuffer, token, m_commentTag);
299 } else if (token.isPreprocessor()) {
300 applyCodeTag(m_textBuffer, token, m_preprocTag);
301 } else if (token.isNewLine()) {
302 }
303 }
304 }
305
306 static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {
307 const int targetH = 9;
308 Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);
309 int w = 0;
310 int h = 0; // ignored
311 Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);
312 Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);
313 if (pixbuf->get_height() != targetH) {
314 pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);
315 }
316 return pixbuf;
317 }
318
319 void ScriptEditor::updateParserIssuesByVM() {
320 GetScriptVM();
321 const std::string s = m_textBuffer->get_text();
322 LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
323 m_issues = parserContext->issues();
324
325 for (int i = 0; i < m_issues.size(); ++i) {
326 const LinuxSampler::ParserIssue& issue = m_issues[i];
327
328 if (issue.isErr()) {
329 applyCodeTag(m_textBuffer, issue, m_errorTag);
330 } else if (issue.isWrn()) {
331 applyCodeTag(m_textBuffer, issue, m_warningTag);
332 }
333 }
334
335 for (int i = m_issues.size() - 1; i >= 0; --i) {
336 const LinuxSampler::ParserIssue& issue = m_issues[i];
337
338 if (issue.isErr() || issue.isWrn()) {
339 Glib::RefPtr<Gdk::Pixbuf> pixbuf = createIcon(issue.isErr() ? "dialog-error" : "dialog-warning-symbolic", get_screen());
340 Gtk::Image* image = Gtk::manage(new Gtk::Image(pixbuf));
341 image->show();
342 Gtk::TextBuffer::iterator iter =
343 m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
344 Glib::RefPtr<Gtk::TextChildAnchor> anchor = m_textBuffer->create_child_anchor(iter);
345 m_textView.add_child_at_anchor(*image, anchor);
346
347 iter =
348 m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
349 Gtk::TextBuffer::iterator itEnd = iter;
350 itEnd.forward_char();
351
352 // prevent that the user can erase the icon with backspace key
353 m_textBuffer->apply_tag(m_readOnlyTag, iter, itEnd);
354 }
355 }
356
357 delete parserContext;
358 }
359
360 #endif // USE_LS_SCRIPTVM
361
362 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
363 //printf("erased\n");
364 if (m_ignoreEraseEvents) return;
365
366 #if USE_LS_SCRIPTVM
367 removeIssueAnchors();
368 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
369 updateSyntaxHighlightingByVM();
370 updateParserIssuesByVM();
371 #else
372 Gtk::TextBuffer::iterator itStart2 = itStart;
373 if (itStart2.inside_word() || itStart2.ends_word())
374 itStart2.backward_word_start();
375
376 Gtk::TextBuffer::iterator itEnd2 = itEnd;
377 if (itEnd2.inside_word()) itEnd2.forward_word_end();
378
379 m_textBuffer->remove_all_tags(itStart2, itEnd2);
380 #endif // USE_LS_SCRIPTVM
381 }
382
383 void ScriptEditor::onModifiedChanged() {
384 m_applyButton.set_sensitive( m_textBuffer->get_modified() );
385 }
386
387 void ScriptEditor::onButtonCancel() {
388 hide();
389 }
390
391 void ScriptEditor::onButtonApply() {
392 m_script->SetScriptAsText(m_textBuffer->get_text());
393 m_textBuffer->set_modified(false);
394 }
395
396 void ScriptEditor::onWindowHide() {
397 delete this; // this is the end, my friend
398 }

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