/[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 2901 by schoenebeck, Mon May 2 16:10:56 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    
111      m_readOnlyTag = Gtk::TextBuffer::Tag::create();      // create menu
112      m_readOnlyTag->property_editable() = false;      m_actionGroup = Gtk::ActionGroup::create();
113      m_tagTable->add(m_readOnlyTag);      m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script")));
114        m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")),
115                           Gtk::AccelKey("<control>s"),
116                           sigc::mem_fun(*this, &ScriptEditor::onButtonApply));
117        m_actionGroup->add(Gtk::Action::create("Close", _("_Close")),
118                           Gtk::AccelKey("<control>x"),
119                           sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
120        m_uiManager = Gtk::UIManager::create();
121        m_uiManager->insert_action_group(m_actionGroup);
122        add_accel_group(m_uiManager->get_accel_group());
123        m_uiManager->add_ui_from_string(
124            "<ui>"
125            "  <menubar name='MenuBar'>"
126            "    <menu action='MenuScript'>"
127            "      <menuitem action='Apply'/>"
128            "      <separator/>"
129            "      <menuitem action='Close'/>"
130            "    </menu>"
131            "  </menubar>"
132            "</ui>"
133        );
134    
135      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
136      m_textView.set_buffer(m_textBuffer);      m_textView.set_buffer(m_textBuffer);
# Line 113  ScriptEditor::ScriptEditor() : Line 150  ScriptEditor::ScriptEditor() :
150      }      }
151      m_scrolledWindow.add(m_textView);      m_scrolledWindow.add(m_textView);
152      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
153    
154        Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
155        m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
156      m_vbox.pack_start(m_scrolledWindow);      m_vbox.pack_start(m_scrolledWindow);
157    
158      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
# Line 121  ScriptEditor::ScriptEditor() : Line 161  ScriptEditor::ScriptEditor() :
161      m_applyButton.set_can_default();      m_applyButton.set_can_default();
162      m_applyButton.set_sensitive(false);      m_applyButton.set_sensitive(false);
163      m_applyButton.grab_focus();      m_applyButton.grab_focus();
164      m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);  
165    #if GTKMM_MAJOR_VERSION >= 3
166        m_statusImage.set_margin_left(6);
167        m_statusImage.set_margin_right(6);
168    #else
169        m_statusHBox.set_spacing(6);
170    #endif
171    
172        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
173        m_statusHBox.pack_start(m_statusLabel);
174        m_statusHBox.show_all_children();
175    
176        m_footerHBox.pack_start(m_statusHBox);
177        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
178    
179        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
180    
181      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
182          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 147  ScriptEditor::ScriptEditor() : Line 202  ScriptEditor::ScriptEditor() :
202          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
203      );      );
204    
205      show_all_children();      signal_delete_event().connect(
206            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
207        );
208    
209      resize(460,300);      show_all_children();
210  }  }
211    
212  ScriptEditor::~ScriptEditor() {  ScriptEditor::~ScriptEditor() {
# Line 175  void ScriptEditor::setScript(gig::Script Line 232  void ScriptEditor::setScript(gig::Script
232  }  }
233    
234  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) {
235      printf("onTextInserted()\n");      //printf("onTextInserted()\n");
     fflush(stdout);  
236  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
     removeIssueAnchors();  
237      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
238      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
239      updateParserIssuesByVM();      updateParserIssuesByVM();
240        updateStatusBar();
241  #else  #else
242      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
243      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
# Line 234  LinuxSampler::ScriptVM* ScriptEditor::Ge Line 290  LinuxSampler::ScriptVM* ScriptEditor::Ge
290      return m_vm;      return m_vm;
291  }  }
292    
293    static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
294        start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
295        end = start;
296        end.forward_lines(issue.lastLine - issue.firstLine);
297        end.forward_chars(
298            (issue.lastLine != issue.firstLine)
299                ? issue.lastColumn - 1
300                : issue.lastColumn - issue.firstColumn + 1
301        );
302    }
303    
304  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) {
305      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itStart =
306          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 311  static void applyCodeTag(Glib::RefPtr<Gt
311  }  }
312    
313  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) {
314      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itStart, itEnd;
315          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  
     );  
316      txtbuf->apply_tag(tag, itStart, itEnd);      txtbuf->apply_tag(tag, itStart, itEnd);
317  }  }
318    
 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  
 }  
   
319  void ScriptEditor::updateSyntaxHighlightingByVM() {  void ScriptEditor::updateSyntaxHighlightingByVM() {
320      GetScriptVM();      GetScriptVM();
321      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
# Line 303  void ScriptEditor::updateSyntaxHighlight Line 347  void ScriptEditor::updateSyntaxHighlight
347      }      }
348  }  }
349    
 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;  
 }  
   
350  void ScriptEditor::updateParserIssuesByVM() {  void ScriptEditor::updateParserIssuesByVM() {
351      GetScriptVM();      GetScriptVM();
352      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
353      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
354      m_issues = parserContext->issues();      m_issues = parserContext->issues();
355        m_errors = parserContext->errors();
356        m_warnings = parserContext->warnings();
357    
358      for (int i = 0; i < m_issues.size(); ++i) {      for (int i = 0; i < m_issues.size(); ++i) {
359          const LinuxSampler::ParserIssue& issue = m_issues[i];          const LinuxSampler::ParserIssue& issue = m_issues[i];
# Line 332  void ScriptEditor::updateParserIssuesByV Line 365  void ScriptEditor::updateParserIssuesByV
365          }          }
366      }      }
367    
368      for (int i = m_issues.size() - 1; i >= 0; --i) {      delete parserContext;
369    }
370    
371    void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
372        int x, y;
373        m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
374    
375        Gtk::TextBuffer::iterator it;
376        m_textView.get_iter_at_location(it, x, y);
377        
378        const int line = it.get_line();
379        const int column = it.get_line_offset();
380    
381        //printf("mouse at l%d c%d\n", line, column);
382    
383        for (int i = 0; i < m_issues.size(); ++i) {
384          const LinuxSampler::ParserIssue& issue = m_issues[i];          const LinuxSampler::ParserIssue& issue = m_issues[i];
385            const int firstLine   = issue.firstLine - 1;
386            const int firstColumn = issue.firstColumn - 1;
387            const int lastLine    = issue.lastLine - 1;
388            const int lastColumn  = issue.lastColumn - 1;
389            if (firstLine <= line && line <= lastLine &&
390                (firstLine != line || firstColumn <= column) &&
391                (lastLine  != line || lastColumn  >= column))
392            {
393                m_textView.set_tooltip_markup(
394                    (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
395                    issue.txt
396                );
397                return;
398            }
399        }
400    
401          if (issue.isErr() || issue.isWrn()) {      m_textView.set_tooltip_markup("");
402              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();  
403    
404              // prevent that the user can erase the icon with backspace key  static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
405              m_textBuffer->apply_tag(m_readOnlyTag, iter, itEnd);      std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
406        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
407        txt += "</span>";
408        return txt;
409    }
410    
411    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
412        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
413        txt += (errors.size() == 1) ? " Error" : " Errors";
414        txt += "</span>";
415        return txt;
416    }
417    
418    void ScriptEditor::updateStatusBar() {
419        // update status text
420        std::string txt;
421        if (m_issues.empty()) {
422            txt = "No issues with this script.";
423        } else {
424            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
425            txt = "There ";
426            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
427            if (m_errors.empty()) {
428                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
429            } else if (m_warnings.empty()) {
430                txt += errorsCountTxt(m_errors) + txtWontLoad;
431            } else {
432                txt += errorsCountTxt(m_errors) + " and " +
433                       warningsCountTxt(m_warnings) + txtWontLoad;
434          }          }
435      }      }
436        m_statusLabel.set_markup(txt);
437    
438      delete parserContext;      // update status icon
439        m_statusImage.set(
440            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
441        );
442  }  }
443    
444  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
445    
446  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) {
447      //printf("erased\n");      //printf("erased\n");
     if (m_ignoreEraseEvents) return;  
   
448  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
     removeIssueAnchors();  
449      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
450      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
451      updateParserIssuesByVM();      updateParserIssuesByVM();
452        updateStatusBar();
453  #else  #else
454      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
455      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
# Line 380  void ScriptEditor::onTextErased(const Gt Line 462  void ScriptEditor::onTextErased(const Gt
462  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
463  }  }
464    
465    bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
466    #if USE_LS_SCRIPTVM
467        //TODO: event throttling would be a good idea here
468        updateIssueTooltip(e);
469    #endif
470        return ManagedWindow::on_motion_notify_event(e);
471    }
472    
473    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
474        //printf("onWindowDelete\n");
475    
476        if (!isModified()) return false; // propagate event further (which will close this window)
477    
478        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
479                                     m_script->Name.c_str());
480        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
481        g_free(msg);
482        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
483        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
484        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
485        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
486        dialog.set_default_response(Gtk::RESPONSE_YES);
487        int response = dialog.run();
488        dialog.hide();
489    
490        // user decided to close script editor without saving
491        if (response == Gtk::RESPONSE_NO)
492            return false; // propagate event further (which will close this window)
493    
494        // user cancelled dialog, thus don't close script editor
495        if (response == Gtk::RESPONSE_CANCEL) {
496            show();
497            return true; // drop event (prevents closing this window)
498        }
499    
500        // user wants to apply the changes, afterwards close window
501        if (response == Gtk::RESPONSE_YES) {
502            onButtonApply();
503            return false; // propagate event further (which will close this window)
504        }
505    
506        // should never ever make it to this point actually
507        return false;
508    }
509    
510    bool ScriptEditor::isModified() const {
511        return m_textBuffer->get_modified();
512    }
513    
514  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
515      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
516    #if USE_LS_SCRIPTVM
517        updateStatusBar();
518    #endif
519  }  }
520    
521  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
522        bool dropEvent = onWindowDelete(NULL);
523        if (dropEvent) return;
524      hide();      hide();
525  }  }
526    
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