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

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revision 2896 by schoenebeck, Sun May 1 14:51:55 2016 UTC revision 2899 by schoenebeck, Mon May 2 14:36:40 2016 UTC
# Line 35  static bool isEvent(const Glib::ustring& Line 35  static bool isEvent(const Glib::ustring&
35    
36  #endif // !USE_LS_SCRIPTVM  #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_statusLabel("",  Gtk::ALIGN_START),
53      m_applyButton(_("_Apply"), true),      m_applyButton(_("_Apply"), true),
54      m_cancelButton(_("_Cancel"), true)      m_cancelButton(_("_Cancel"), true)
55  {  {
# Line 43  ScriptEditor::ScriptEditor() : Line 57  ScriptEditor::ScriptEditor() :
57  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
58      m_vm = NULL;      m_vm = NULL;
59  #endif  #endif
60      m_ignoreEraseEvents = false;  
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    
# Line 91  ScriptEditor::ScriptEditor() : Line 108  ScriptEditor::ScriptEditor() :
108      m_warningTag->property_background() = "#fffd7c"; // yellow      m_warningTag->property_background() = "#fffd7c"; // yellow
109      m_tagTable->add(m_warningTag);      m_tagTable->add(m_warningTag);
110    
     m_readOnlyTag = Gtk::TextBuffer::Tag::create();  
     m_readOnlyTag->property_editable() = false;  
     m_tagTable->add(m_readOnlyTag);  
   
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      {      {
# Line 121  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        m_statusImage.set_margin_left(6);
139        m_statusImage.set_margin_right(6);
140    
141        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
142        m_statusHBox.pack_start(m_statusLabel);
143        m_statusHBox.show_all_children();
144    
145        m_footerHBox.pack_start(m_statusHBox);
146        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
147    
148        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
149    
150      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
151          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 147  ScriptEditor::ScriptEditor() : Line 171  ScriptEditor::ScriptEditor() :
171          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
172      );      );
173    
174        signal_delete_event().connect(
175            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
176        );
177    
178      show_all_children();      show_all_children();
179    
180      resize(460,300);      resize(460,300);
# Line 175  void ScriptEditor::setScript(gig::Script Line 203  void ScriptEditor::setScript(gig::Script
203  }  }
204    
205  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) {
206      printf("onTextInserted()\n");      //printf("onTextInserted()\n");
     fflush(stdout);  
207  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
     removeIssueAnchors();  
208      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
209      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
210      updateParserIssuesByVM();      updateParserIssuesByVM();
211        updateStatusBar();
212  #else  #else
213      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
214      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
# Line 234  LinuxSampler::ScriptVM* ScriptEditor::Ge Line 261  LinuxSampler::ScriptVM* ScriptEditor::Ge
261      return m_vm;      return m_vm;
262  }  }
263    
264    static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
265        start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
266        end = start;
267        end.forward_lines(issue.lastLine - issue.firstLine);
268        end.forward_chars(
269            (issue.lastLine != issue.firstLine)
270                ? issue.lastColumn - 1
271                : issue.lastColumn - issue.firstColumn + 1
272        );
273    }
274    
275  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
276      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itStart =
277          txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());          txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
# Line 244  static void applyCodeTag(Glib::RefPtr<Gt Line 282  static void applyCodeTag(Glib::RefPtr<Gt
282  }  }
283    
284  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {  static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
285      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itStart, itEnd;
286          txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);      getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
     Gtk::TextBuffer::iterator itEnd = itStart;  
     itEnd.forward_lines(issue.lastLine - issue.firstLine);  
     itEnd.forward_chars(  
         (issue.lastLine != issue.firstLine)  
             ? issue.lastColumn - 1  
             : issue.lastColumn - issue.firstColumn + 1  
     );  
287      txtbuf->apply_tag(tag, itStart, itEnd);      txtbuf->apply_tag(tag, itStart, itEnd);
288  }  }
289    
 void ScriptEditor::removeIssueAnchors() {  
     m_ignoreEraseEvents = true; // avoid endless recursion  
       
     for (int i = 0; i < m_issues.size(); ++i) {  
         const LinuxSampler::ParserIssue& issue = m_issues[i];  
         printf("erase anchor at l%d c%d\n", issue.firstLine - 1, issue.firstColumn - 1);  
         fflush(stdout);  
         Gtk::TextBuffer::iterator iter = m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);  
         Gtk::TextBuffer::iterator iterEnd = iter;  
         iterEnd.forward_chars(1);  
         m_textBuffer->erase(iter, iterEnd);  
     }  
       
     m_ignoreEraseEvents = false; // back to normal  
 }  
   
290  void ScriptEditor::updateSyntaxHighlightingByVM() {  void ScriptEditor::updateSyntaxHighlightingByVM() {
291      GetScriptVM();      GetScriptVM();
292      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
# Line 303  void ScriptEditor::updateSyntaxHighlight Line 318  void ScriptEditor::updateSyntaxHighlight
318      }      }
319  }  }
320    
 static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {  
     const int targetH = 9;  
     Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);  
     int w = 0;  
     int h = 0; // ignored  
     Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);  
     Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);  
     if (pixbuf->get_height() != targetH) {  
         pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);  
     }  
     return pixbuf;  
 }  
   
321  void ScriptEditor::updateParserIssuesByVM() {  void ScriptEditor::updateParserIssuesByVM() {
322      GetScriptVM();      GetScriptVM();
323      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
324      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
325      m_issues = parserContext->issues();      m_issues = parserContext->issues();
326        m_errors = parserContext->errors();
327        m_warnings = parserContext->warnings();
328    
329      for (int i = 0; i < m_issues.size(); ++i) {      for (int i = 0; i < m_issues.size(); ++i) {
330          const LinuxSampler::ParserIssue& issue = m_issues[i];          const LinuxSampler::ParserIssue& issue = m_issues[i];
# Line 332  void ScriptEditor::updateParserIssuesByV Line 336  void ScriptEditor::updateParserIssuesByV
336          }          }
337      }      }
338    
339      for (int i = m_issues.size() - 1; i >= 0; --i) {      delete parserContext;
340    }
341    
342    void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
343        int x, y;
344        m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
345    
346        Gtk::TextBuffer::iterator it;
347        m_textView.get_iter_at_location(it, x, y);
348        
349        const int line = it.get_line();
350        const int column = it.get_line_offset();
351    
352        //printf("mouse at l%d c%d\n", line, column);
353    
354        for (int i = 0; i < m_issues.size(); ++i) {
355          const LinuxSampler::ParserIssue& issue = m_issues[i];          const LinuxSampler::ParserIssue& issue = m_issues[i];
356            const int firstLine   = issue.firstLine - 1;
357            const int firstColumn = issue.firstColumn - 1;
358            const int lastLine    = issue.lastLine - 1;
359            const int lastColumn  = issue.lastColumn - 1;
360            if (firstLine <= line && line <= lastLine &&
361                (firstLine != line || firstColumn <= column) &&
362                (lastLine  != line || lastColumn  >= column))
363            {
364                m_textView.set_tooltip_markup(
365                    (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
366                    issue.txt
367                );
368                return;
369            }
370        }
371    
372          if (issue.isErr() || issue.isWrn()) {      m_textView.set_tooltip_markup("");
373              Glib::RefPtr<Gdk::Pixbuf> pixbuf = createIcon(issue.isErr() ? "dialog-error" : "dialog-warning-symbolic", get_screen());  }
             Gtk::Image* image = Gtk::manage(new Gtk::Image(pixbuf));  
             image->show();  
             Gtk::TextBuffer::iterator iter =  
                 m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);  
             Glib::RefPtr<Gtk::TextChildAnchor> anchor = m_textBuffer->create_child_anchor(iter);  
             m_textView.add_child_at_anchor(*image, anchor);  
               
             iter =  
                 m_textBuffer->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);  
             Gtk::TextBuffer::iterator itEnd = iter;  
             itEnd.forward_char();  
374    
375              // prevent that the user can erase the icon with backspace key  static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
376              m_textBuffer->apply_tag(m_readOnlyTag, iter, itEnd);      std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
377        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
378        txt += "</span>";
379        return txt;
380    }
381    
382    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
383        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
384        txt += (errors.size() == 1) ? " Error" : " Errors";
385        txt += "</span>";
386        return txt;
387    }
388    
389    void ScriptEditor::updateStatusBar() {
390        // update status text
391        std::string txt;
392        if (m_issues.empty()) {
393            txt = "No issues with this script.";
394        } else {
395            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
396            txt = "There ";
397            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
398            if (m_errors.empty()) {
399                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
400            } else if (m_warnings.empty()) {
401                txt += errorsCountTxt(m_errors) + txtWontLoad;
402            } else {
403                txt += errorsCountTxt(m_errors) + " and " +
404                       warningsCountTxt(m_warnings) + txtWontLoad;
405          }          }
406      }      }
407        m_statusLabel.set_markup(txt);
408    
409      delete parserContext;      // update status icon
410        m_statusImage.set(
411            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
412        );
413  }  }
414    
415  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
416    
417  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) {
418      //printf("erased\n");      //printf("erased\n");
     if (m_ignoreEraseEvents) return;  
   
419  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
     removeIssueAnchors();  
420      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
421      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
422      updateParserIssuesByVM();      updateParserIssuesByVM();
423        updateStatusBar();
424  #else  #else
425      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
426      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
# Line 380  void ScriptEditor::onTextErased(const Gt Line 433  void ScriptEditor::onTextErased(const Gt
433  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
434  }  }
435    
436    bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
437    #if USE_LS_SCRIPTVM
438        //TODO: event throttling would be a good idea here
439        updateIssueTooltip(e);
440    #endif
441        return ManagedWindow::on_motion_notify_event(e);
442    }
443    
444    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
445        //printf("onWindowDelete\n");
446    
447        if (!isModified()) return false; // propagate event further (which will close this window)
448    
449        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
450                                     m_script->Name.c_str());
451        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
452        g_free(msg);
453        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
454        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
455        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
456        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
457        dialog.set_default_response(Gtk::RESPONSE_YES);
458        int response = dialog.run();
459        dialog.hide();
460    
461        // user decided to close script editor without saving
462        if (response == Gtk::RESPONSE_NO)
463            return false; // propagate event further (which will close this window)
464    
465        // user cancelled dialog, thus don't close script editor
466        if (response == Gtk::RESPONSE_CANCEL) {
467            show();
468            return true; // drop event (prevents closing this window)
469        }
470    
471        // user wants to apply the changes, afterwards close window
472        if (response == Gtk::RESPONSE_YES) {
473            onButtonApply();
474            return false; // propagate event further (which will close this window)
475        }
476    
477        // should never ever make it to this point actually
478        return false;
479    }
480    
481    bool ScriptEditor::isModified() const {
482        return m_textBuffer->get_modified();
483    }
484    
485  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
486      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
487    #if USE_LS_SCRIPTVM
488        updateStatusBar();
489    #endif
490  }  }
491    
492  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
493        bool dropEvent = onWindowDelete(NULL);
494        if (dropEvent) return;
495      hide();      hide();
496  }  }
497    
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