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

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revision 2610 by schoenebeck, Sun Jun 8 19:09:26 2014 UTC revision 2900 by schoenebeck, Mon May 2 14:47:34 2016 UTC
# Line 1  Line 1 
1  /*  /*
2      Copyright (c) 2014 Christian Schoenebeck      Copyright (c) 2014-2016 Christian Schoenebeck
3            
4      This file is part of "gigedit" and released under the terms of the      This file is part of "gigedit" and released under the terms of the
5      GNU General Public License version 2.      GNU General Public License version 2.
# Line 8  Line 8 
8  #include "scripteditor.h"  #include "scripteditor.h"
9  #include "global.h"  #include "global.h"
10    
11    #if !USE_LS_SCRIPTVM
12    
13  static const std::string _keywords[] = {  static const std::string _keywords[] = {
14      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
15      "select", "to", "const", "polyphonic", "mod"      "select", "to", "const", "polyphonic", "mod"
# Line 31  static bool isEvent(const Glib::ustring& Line 33  static bool isEvent(const Glib::ustring&
33      return false;      return false;
34  }  }
35    
36    #endif // !USE_LS_SCRIPTVM
37    
38    static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {
39        const int targetH = 16;
40        Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);
41        int w = 0;
42        int h = 0; // ignored
43        Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);
44        Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);
45        if (pixbuf->get_height() != targetH) {
46            pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);
47        }
48        return pixbuf;
49    }
50    
51  ScriptEditor::ScriptEditor() :  ScriptEditor::ScriptEditor() :
52      m_applyButton(Gtk::Stock::APPLY), m_cancelButton(Gtk::Stock::CANCEL)      m_statusLabel("",  Gtk::ALIGN_START),
53        m_applyButton(_("_Apply"), true),
54        m_cancelButton(_("_Cancel"), true)
55  {  {
56      m_script = NULL;      m_script = NULL;
57    #if USE_LS_SCRIPTVM
58        m_vm = NULL;
59    #endif
60    
61        m_errorIcon = createIcon("dialog-error", get_screen());
62        m_warningIcon = createIcon("dialog-warning-symbolic", get_screen());
63        m_successIcon = createIcon("emblem-default", get_screen());
64    
65      add(m_vbox);      add(m_vbox);
66    
67      m_tagTable = Gtk::TextBuffer::TagTable::create();      m_tagTable = Gtk::TextBuffer::TagTable::create();
68    
69      m_keywordTag = Gtk::TextBuffer::Tag::create();      m_keywordTag = Gtk::TextBuffer::Tag::create();
70        m_keywordTag->property_foreground() = "#000000"; // black
71      m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;      m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
72      m_tagTable->add(m_keywordTag);      m_tagTable->add(m_keywordTag);
73    
74      m_eventTag = Gtk::TextBuffer::Tag::create();      m_eventTag = Gtk::TextBuffer::Tag::create();
75      m_eventTag->property_foreground() = "blue";      m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
76      m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;      m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
77      m_tagTable->add(m_eventTag);      m_tagTable->add(m_eventTag);
78        
79        m_variableTag = Gtk::TextBuffer::Tag::create();
80        m_variableTag->property_foreground() = "#790cc4"; // magenta
81        m_tagTable->add(m_variableTag);
82        
83        m_functionTag = Gtk::TextBuffer::Tag::create();
84        m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
85        m_tagTable->add(m_functionTag);
86        
87        m_numberTag = Gtk::TextBuffer::Tag::create();
88        m_numberTag->property_foreground() = "#c4950c"; // yellow
89        m_tagTable->add(m_numberTag);
90    
91        m_stringTag = Gtk::TextBuffer::Tag::create();
92        m_stringTag->property_foreground() = "#c40c0c"; // red
93        m_tagTable->add(m_stringTag);
94    
95        m_commentTag = Gtk::TextBuffer::Tag::create();
96        m_commentTag->property_foreground() = "#9c9c9c"; // gray
97        m_tagTable->add(m_commentTag);
98    
99        m_preprocTag = Gtk::TextBuffer::Tag::create();
100        m_preprocTag->property_foreground() = "#2f8a33"; // green
101        m_tagTable->add(m_preprocTag);
102    
103        m_errorTag = Gtk::TextBuffer::Tag::create();
104        m_errorTag->property_background() = "#ff9393"; // red
105        m_tagTable->add(m_errorTag);
106    
107        m_warningTag = Gtk::TextBuffer::Tag::create();
108        m_warningTag->property_background() = "#fffd7c"; // yellow
109        m_tagTable->add(m_warningTag);
110    
111      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
112      m_textView.set_buffer(m_textBuffer);      m_textView.set_buffer(m_textBuffer);
113      {      {
114          Pango::FontDescription fdesc;          Pango::FontDescription fdesc;
115          fdesc.set_family("monospace");          fdesc.set_family("monospace");
116    #if defined(__APPLE__)
117            fdesc.set_size(12 * PANGO_SCALE);
118    #else
119          fdesc.set_size(10 * PANGO_SCALE);          fdesc.set_size(10 * PANGO_SCALE);
120    #endif
121  #if GTKMM_MAJOR_VERSION < 3  #if GTKMM_MAJOR_VERSION < 3
122          m_textView.modify_font(fdesc);          m_textView.modify_font(fdesc);
123  #else  #else
# Line 68  ScriptEditor::ScriptEditor() : Line 134  ScriptEditor::ScriptEditor() :
134      m_applyButton.set_can_default();      m_applyButton.set_can_default();
135      m_applyButton.set_sensitive(false);      m_applyButton.set_sensitive(false);
136      m_applyButton.grab_focus();      m_applyButton.grab_focus();
137      m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);      
138    #if GTKMM_MAJOR_VERSION >= 3
139        m_statusImage.set_margin_left(6);
140        m_statusImage.set_margin_right(6);
141    #else
142        m_statusHBox.set_spacing(6);
143    #endif
144    
145        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
146        m_statusHBox.pack_start(m_statusLabel);
147        m_statusHBox.show_all_children();
148    
149        m_footerHBox.pack_start(m_statusHBox);
150        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
151    
152        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
153    
154      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
155          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 94  ScriptEditor::ScriptEditor() : Line 175  ScriptEditor::ScriptEditor() :
175          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
176      );      );
177    
178        signal_delete_event().connect(
179            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
180        );
181    
182      show_all_children();      show_all_children();
183    
184      resize(460,300);      resize(460,300);
# Line 101  ScriptEditor::ScriptEditor() : Line 186  ScriptEditor::ScriptEditor() :
186    
187  ScriptEditor::~ScriptEditor() {  ScriptEditor::~ScriptEditor() {
188      printf("ScriptEditor destruct\n");      printf("ScriptEditor destruct\n");
189    #if USE_LS_SCRIPTVM
190        if (m_vm) delete m_vm;
191    #endif
192  }  }
193    
194  void ScriptEditor::setScript(gig::Script* script) {  void ScriptEditor::setScript(gig::Script* script) {
# Line 119  void ScriptEditor::setScript(gig::Script Line 207  void ScriptEditor::setScript(gig::Script
207  }  }
208    
209  void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {  void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
210        //printf("onTextInserted()\n");
211    #if USE_LS_SCRIPTVM
212        m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
213        updateSyntaxHighlightingByVM();
214        updateParserIssuesByVM();
215        updateStatusBar();
216    #else
217      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
218      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
219      itStart.backward_chars(length);      itStart.backward_chars(length);
# Line 159  void ScriptEditor::onTextInserted(const Line 254  void ScriptEditor::onTextInserted(const
254            
255      EOF_REACHED:      EOF_REACHED:
256      ;      ;
257        
258    #endif // USE_LS_SCRIPTVM
259    }
260    
261    #if USE_LS_SCRIPTVM
262    
263    LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
264        if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
265        return m_vm;
266    }
267    
268    static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
269        start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
270        end = start;
271        end.forward_lines(issue.lastLine - issue.firstLine);
272        end.forward_chars(
273            (issue.lastLine != issue.firstLine)
274                ? issue.lastColumn - 1
275                : issue.lastColumn - issue.firstColumn + 1
276        );
277    }
278    
279    static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
280        Gtk::TextBuffer::iterator itStart =
281            txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
282        Gtk::TextBuffer::iterator itEnd = itStart;
283        const int length = token.text().length();
284        itEnd.forward_chars(length);
285        txtbuf->apply_tag(tag, itStart, itEnd);
286    }
287    
288    static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
289        Gtk::TextBuffer::iterator itStart, itEnd;
290        getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
291        txtbuf->apply_tag(tag, itStart, itEnd);
292    }
293    
294    void ScriptEditor::updateSyntaxHighlightingByVM() {
295        GetScriptVM();
296        const std::string s = m_textBuffer->get_text();
297        std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
298    
299        for (int i = 0; i < tokens.size(); ++i) {
300            const LinuxSampler::VMSourceToken& token = tokens[i];
301    
302            if (token.isKeyword()) {
303                applyCodeTag(m_textBuffer, token, m_keywordTag);
304            } else if (token.isVariableName()) {
305                applyCodeTag(m_textBuffer, token, m_variableTag);
306            } else if (token.isIdentifier()) {
307                if (token.isEventHandlerName()) {
308                    applyCodeTag(m_textBuffer, token, m_eventTag);
309                } else { // a function ...
310                    applyCodeTag(m_textBuffer, token, m_functionTag);
311                }
312            } else if (token.isNumberLiteral()) {
313                applyCodeTag(m_textBuffer, token, m_numberTag);
314            } else if (token.isStringLiteral()) {
315                applyCodeTag(m_textBuffer, token, m_stringTag);
316            } else if (token.isComment()) {
317                applyCodeTag(m_textBuffer, token, m_commentTag);
318            } else if (token.isPreprocessor()) {
319                applyCodeTag(m_textBuffer, token, m_preprocTag);
320            } else if (token.isNewLine()) {
321            }
322        }
323  }  }
324    
325    void ScriptEditor::updateParserIssuesByVM() {
326        GetScriptVM();
327        const std::string s = m_textBuffer->get_text();
328        LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
329        m_issues = parserContext->issues();
330        m_errors = parserContext->errors();
331        m_warnings = parserContext->warnings();
332    
333        for (int i = 0; i < m_issues.size(); ++i) {
334            const LinuxSampler::ParserIssue& issue = m_issues[i];
335    
336            if (issue.isErr()) {
337                applyCodeTag(m_textBuffer, issue, m_errorTag);
338            } else if (issue.isWrn()) {
339                applyCodeTag(m_textBuffer, issue, m_warningTag);
340            }
341        }
342    
343        delete parserContext;
344    }
345    
346    void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
347        int x, y;
348        m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
349    
350        Gtk::TextBuffer::iterator it;
351        m_textView.get_iter_at_location(it, x, y);
352        
353        const int line = it.get_line();
354        const int column = it.get_line_offset();
355    
356        //printf("mouse at l%d c%d\n", line, column);
357    
358        for (int i = 0; i < m_issues.size(); ++i) {
359            const LinuxSampler::ParserIssue& issue = m_issues[i];
360            const int firstLine   = issue.firstLine - 1;
361            const int firstColumn = issue.firstColumn - 1;
362            const int lastLine    = issue.lastLine - 1;
363            const int lastColumn  = issue.lastColumn - 1;
364            if (firstLine <= line && line <= lastLine &&
365                (firstLine != line || firstColumn <= column) &&
366                (lastLine  != line || lastColumn  >= column))
367            {
368                m_textView.set_tooltip_markup(
369                    (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
370                    issue.txt
371                );
372                return;
373            }
374        }
375    
376        m_textView.set_tooltip_markup("");
377    }
378    
379    static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
380        std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
381        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
382        txt += "</span>";
383        return txt;
384    }
385    
386    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
387        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
388        txt += (errors.size() == 1) ? " Error" : " Errors";
389        txt += "</span>";
390        return txt;
391    }
392    
393    void ScriptEditor::updateStatusBar() {
394        // update status text
395        std::string txt;
396        if (m_issues.empty()) {
397            txt = "No issues with this script.";
398        } else {
399            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
400            txt = "There ";
401            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
402            if (m_errors.empty()) {
403                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
404            } else if (m_warnings.empty()) {
405                txt += errorsCountTxt(m_errors) + txtWontLoad;
406            } else {
407                txt += errorsCountTxt(m_errors) + " and " +
408                       warningsCountTxt(m_warnings) + txtWontLoad;
409            }
410        }
411        m_statusLabel.set_markup(txt);
412    
413        // update status icon
414        m_statusImage.set(
415            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
416        );
417    }
418    
419    #endif // USE_LS_SCRIPTVM
420    
421  void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {  void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
422      //printf("erased\n");      //printf("erased\n");
423    #if USE_LS_SCRIPTVM
424        m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
425        updateSyntaxHighlightingByVM();
426        updateParserIssuesByVM();
427        updateStatusBar();
428    #else
429      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
430      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
431          itStart2.backward_word_start();          itStart2.backward_word_start();
# Line 171  void ScriptEditor::onTextErased(const Gt Line 434  void ScriptEditor::onTextErased(const Gt
434      if (itEnd2.inside_word()) itEnd2.forward_word_end();      if (itEnd2.inside_word()) itEnd2.forward_word_end();
435    
436      m_textBuffer->remove_all_tags(itStart2, itEnd2);      m_textBuffer->remove_all_tags(itStart2, itEnd2);
437    #endif // USE_LS_SCRIPTVM
438    }
439    
440    bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
441    #if USE_LS_SCRIPTVM
442        //TODO: event throttling would be a good idea here
443        updateIssueTooltip(e);
444    #endif
445        return ManagedWindow::on_motion_notify_event(e);
446    }
447    
448    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
449        //printf("onWindowDelete\n");
450    
451        if (!isModified()) return false; // propagate event further (which will close this window)
452    
453        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
454                                     m_script->Name.c_str());
455        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
456        g_free(msg);
457        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
458        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
459        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
460        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
461        dialog.set_default_response(Gtk::RESPONSE_YES);
462        int response = dialog.run();
463        dialog.hide();
464    
465        // user decided to close script editor without saving
466        if (response == Gtk::RESPONSE_NO)
467            return false; // propagate event further (which will close this window)
468    
469        // user cancelled dialog, thus don't close script editor
470        if (response == Gtk::RESPONSE_CANCEL) {
471            show();
472            return true; // drop event (prevents closing this window)
473        }
474    
475        // user wants to apply the changes, afterwards close window
476        if (response == Gtk::RESPONSE_YES) {
477            onButtonApply();
478            return false; // propagate event further (which will close this window)
479        }
480    
481        // should never ever make it to this point actually
482        return false;
483    }
484    
485    bool ScriptEditor::isModified() const {
486        return m_textBuffer->get_modified();
487  }  }
488    
489  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
490      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
491    #if USE_LS_SCRIPTVM
492        updateStatusBar();
493    #endif
494  }  }
495    
496  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
497        bool dropEvent = onWindowDelete(NULL);
498        if (dropEvent) return;
499      hide();      hide();
500  }  }
501    
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