/[svn]/gigedit/trunk/src/gigedit/scripteditor.cpp
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revision 2890 by schoenebeck, Mon Apr 25 17:35:21 2016 UTC revision 3314 by schoenebeck, Tue Jul 18 22:00:56 2017 UTC
# Line 1  Line 1 
1  /*  /*
2      Copyright (c) 2014-2016 Christian Schoenebeck      Copyright (c) 2014-2017 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 7  Line 7 
7    
8  #include "scripteditor.h"  #include "scripteditor.h"
9  #include "global.h"  #include "global.h"
10  #if USE_LS_SCRIPTVM  #include <gtk/gtkwidget.h> // for gtk_widget_modify_*()
11  # include <linuxsampler/scriptvm/ScriptVM.h>  #if defined(__APPLE__)
12  # include <linuxsampler/scriptvm/ScriptVMFactory.h>  # include "MacHelper.h"
13  #endif  #endif
14    #include <math.h> // for log10()
15    
16  #if !USE_LS_SCRIPTVM  #if !USE_LS_SCRIPTVM
17    
18  static const std::string _keywords[] = {  static const std::string _keywords[] = {
19      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",      "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
20      "select", "to", "const", "polyphonic", "mod"      "select", "to", "const", "polyphonic", "mod", "synchronized"
21  };  };
22  static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);  static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
23    
# Line 39  static bool isEvent(const Glib::ustring& Line 40  static bool isEvent(const Glib::ustring&
40    
41  #endif // !USE_LS_SCRIPTVM  #endif // !USE_LS_SCRIPTVM
42    
43    static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::string name, const Glib::RefPtr<Gdk::Screen>& screen) {
44        const int targetH = 16;
45        Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_for_screen(screen);
46        int w = 0;
47        int h = 0; // ignored
48        Gtk::IconSize::lookup(Gtk::ICON_SIZE_SMALL_TOOLBAR, w, h);
49        if (!theme->has_icon(name))
50            return Glib::RefPtr<Gdk::Pixbuf>();
51        Glib::RefPtr<Gdk::Pixbuf> pixbuf = theme->load_icon(name, w, Gtk::ICON_LOOKUP_GENERIC_FALLBACK);
52        if (pixbuf->get_height() != targetH) {
53            pixbuf = pixbuf->scale_simple(targetH, targetH, Gdk::INTERP_BILINEAR);
54        }
55        return pixbuf;
56    }
57    
58    static Glib::RefPtr<Gdk::Pixbuf> createIcon(std::vector<std::string> alternativeNames, const Glib::RefPtr<Gdk::Screen>& screen) {
59        for (int i = 0; i < alternativeNames.size(); ++i) {
60            Glib::RefPtr<Gdk::Pixbuf> buf = createIcon(alternativeNames[i], screen);
61            if (buf) return buf;
62        }
63        return Glib::RefPtr<Gdk::Pixbuf>();
64    }
65    
66  ScriptEditor::ScriptEditor() :  ScriptEditor::ScriptEditor() :
67      m_applyButton(_("_Apply"), true),      m_statusLabel("",  Gtk::ALIGN_START),
68      m_cancelButton(_("_Cancel"), true)      m_applyButton(Gtk::Stock::APPLY),
69        m_cancelButton(Gtk::Stock::CANCEL)
70  {  {
71      m_script = NULL;      m_script = NULL;
72    #if USE_LS_SCRIPTVM
73      m_vm = NULL;      m_vm = NULL;
74    #endif
75    
76        if (!Settings::singleton()->autoRestoreWindowDimension) {
77            set_default_size(800, 700);
78            set_position(Gtk::WIN_POS_MOUSE);
79        }
80    
81        // depending on GTK version and installed themes, there may be different
82        // icons, and different names for them, so for each type of icon we use,
83        // we provide a list of possible icon names, the first one found to be
84        // installed on the local system from the list will be used and loaded for
85        // the respective purpose (so order matters in those lists)
86        //
87        // (see https://developer.gnome.org/gtkmm/stable/namespaceGtk_1_1Stock.html for
88        // available icon names)
89        std::vector<std::string> errorIconNames;
90        errorIconNames.push_back("dialog-error");
91        errorIconNames.push_back("media-record");
92        errorIconNames.push_back("process-stop");
93    
94        std::vector<std::string> warningIconNames;
95        warningIconNames.push_back("dialog-warning-symbolic");
96        warningIconNames.push_back("dialog-warning");
97    
98        std::vector<std::string> successIconNames;
99        successIconNames.push_back("emblem-default");
100        successIconNames.push_back("tools-check-spelling");
101    
102        m_errorIcon = createIcon(errorIconNames, get_screen());
103        m_warningIcon = createIcon(warningIconNames, get_screen());
104        m_successIcon = createIcon(successIconNames, get_screen());
105    
106      add(m_vbox);      add(m_vbox);
107    
# Line 80  ScriptEditor::ScriptEditor() : Line 137  ScriptEditor::ScriptEditor() :
137      m_commentTag->property_foreground() = "#9c9c9c"; // gray      m_commentTag->property_foreground() = "#9c9c9c"; // gray
138      m_tagTable->add(m_commentTag);      m_tagTable->add(m_commentTag);
139    
140        #define PREPROC_TOKEN_COLOR  "#2f8a33" // green
141    
142      m_preprocTag = Gtk::TextBuffer::Tag::create();      m_preprocTag = Gtk::TextBuffer::Tag::create();
143      m_preprocTag->property_foreground() = "#2f8a33"; // green      m_preprocTag->property_foreground() = PREPROC_TOKEN_COLOR;
144      m_tagTable->add(m_preprocTag);      m_tagTable->add(m_preprocTag);
145    
146        m_preprocCommentTag = Gtk::TextBuffer::Tag::create();
147        m_preprocCommentTag->property_strikethrough() = true;
148        m_preprocCommentTag->property_background() = "#e5e5e5";
149        m_tagTable->add(m_preprocCommentTag);
150    
151      m_errorTag = Gtk::TextBuffer::Tag::create();      m_errorTag = Gtk::TextBuffer::Tag::create();
152      m_errorTag->property_background() = "#ff9393"; // red      m_errorTag->property_background() = "#ff9393"; // red
153      m_tagTable->add(m_errorTag);      m_tagTable->add(m_errorTag);
# Line 92  ScriptEditor::ScriptEditor() : Line 156  ScriptEditor::ScriptEditor() :
156      m_warningTag->property_background() = "#fffd7c"; // yellow      m_warningTag->property_background() = "#fffd7c"; // yellow
157      m_tagTable->add(m_warningTag);      m_tagTable->add(m_warningTag);
158    
159      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);      m_lineNrTag = Gtk::TextBuffer::Tag::create();
160      m_textView.set_buffer(m_textBuffer);      m_lineNrTag->property_foreground() = "#CCCCCC";
161        m_tagTable->add(m_lineNrTag);
162    
163        // create menu
164        m_actionGroup = Gtk::ActionGroup::create();
165        m_actionGroup->add(Gtk::Action::create("MenuScript", _("_Script")));
166        m_actionGroup->add(Gtk::Action::create("Apply", _("_Apply")),
167                           Gtk::AccelKey("<control>s"),
168                           sigc::mem_fun(*this, &ScriptEditor::onButtonApply));
169        m_actionGroup->add(Gtk::Action::create("Close", _("_Close")),
170                           Gtk::AccelKey("<control>q"),
171                           sigc::mem_fun(*this, &ScriptEditor::onButtonCancel));
172        m_actionGroup->add(Gtk::Action::create("MenuEditor", _("_Editor")));
173        m_actionGroup->add(Gtk::Action::create("ChangeFont", _("_Font Size ...")),
174                           sigc::mem_fun(*this, &ScriptEditor::onMenuChangeFontSize));
175        m_uiManager = Gtk::UIManager::create();
176        m_uiManager->insert_action_group(m_actionGroup);
177        add_accel_group(m_uiManager->get_accel_group());
178        m_uiManager->add_ui_from_string(
179            "<ui>"
180            "  <menubar name='MenuBar'>"
181            "    <menu action='MenuScript'>"
182            "      <menuitem action='Apply'/>"
183            "      <separator/>"
184            "      <menuitem action='Close'/>"
185            "    </menu>"
186            "    <menu action='MenuEditor'>"
187            "      <menuitem action='ChangeFont'/>"
188            "    </menu>"
189            "  </menubar>"
190            "</ui>"
191        );
192    
193        m_lineNrBuffer = Gtk::TextBuffer::create(m_tagTable);
194        m_lineNrView.set_buffer(m_lineNrBuffer);
195        m_lineNrView.set_left_margin(3);
196        m_lineNrView.set_right_margin(3);
197        m_lineNrTextViewSpacer.set_size_request(5);
198      {      {
199          Pango::FontDescription fdesc;          Gdk::Color color;
200          fdesc.set_family("monospace");          color.set("#F5F5F5");
201  #if defined(__APPLE__)          GtkWidget* widget = (GtkWidget*) m_lineNrView.gobj();
202          fdesc.set_size(12 * PANGO_SCALE);          gtk_widget_modify_base(widget, GTK_STATE_NORMAL, color.gobj());
203  #else          gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, color.gobj());
204          fdesc.set_size(10 * PANGO_SCALE);      }
205  #endif      {
206  #if GTKMM_MAJOR_VERSION < 3          Gdk::Color color;
207          m_textView.modify_font(fdesc);          color.set("#EEEEEE");
208  #else          GtkWidget* widget = (GtkWidget*) m_lineNrTextViewSpacer.gobj();
209          m_textView.override_font(fdesc);          gtk_widget_modify_base(widget, GTK_STATE_NORMAL, color.gobj());
210  #endif          gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, color.gobj());
211      }      }
212      m_scrolledWindow.add(m_textView);      m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
213        m_textView.set_buffer(m_textBuffer);
214        m_textView.set_left_margin(5);
215        setFontSize(currentFontSize(), false);
216        m_textViewHBox.pack_start(m_lineNrView, Gtk::PACK_SHRINK);
217        m_textViewHBox.pack_start(m_lineNrTextViewSpacer, Gtk::PACK_SHRINK);
218        m_textViewHBox.add(m_textView);
219        m_scrolledWindow.add(m_textViewHBox);
220      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);      m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
221    
222        Gtk::Widget* menuBar = m_uiManager->get_widget("/MenuBar");
223        m_vbox.pack_start(*menuBar, Gtk::PACK_SHRINK);
224      m_vbox.pack_start(m_scrolledWindow);      m_vbox.pack_start(m_scrolledWindow);
225    
226      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);      m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
# Line 118  ScriptEditor::ScriptEditor() : Line 229  ScriptEditor::ScriptEditor() :
229      m_applyButton.set_can_default();      m_applyButton.set_can_default();
230      m_applyButton.set_sensitive(false);      m_applyButton.set_sensitive(false);
231      m_applyButton.grab_focus();      m_applyButton.grab_focus();
232      m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);  
233    #if GTKMM_MAJOR_VERSION >= 3
234        m_statusImage.set_margin_left(6);
235        m_statusImage.set_margin_right(6);
236    #else
237        m_statusHBox.set_spacing(6);
238    #endif
239    
240        m_statusHBox.pack_start(m_statusImage, Gtk::PACK_SHRINK);
241        m_statusHBox.pack_start(m_statusLabel);
242        m_statusHBox.show_all_children();
243    
244        m_footerHBox.pack_start(m_statusHBox);
245        m_footerHBox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
246    
247        m_vbox.pack_start(m_footerHBox, Gtk::PACK_SHRINK);
248    
249      m_applyButton.signal_clicked().connect(      m_applyButton.signal_clicked().connect(
250          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)          sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
# Line 144  ScriptEditor::ScriptEditor() : Line 270  ScriptEditor::ScriptEditor() :
270          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)          sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
271      );      );
272    
273      show_all_children();      signal_delete_event().connect(
274            sigc::mem_fun(*this, &ScriptEditor::onWindowDelete)
275        );
276    
277      resize(460,300);      show_all_children();
278  }  }
279    
280  ScriptEditor::~ScriptEditor() {  ScriptEditor::~ScriptEditor() {
281      printf("ScriptEditor destruct\n");      printf("ScriptEditor destruct\n");
282    #if USE_LS_SCRIPTVM
283      if (m_vm) delete m_vm;      if (m_vm) delete m_vm;
284    #endif
285    }
286    
287    int ScriptEditor::currentFontSize() const {
288    #if defined(__APPLE__)
289        const int defaultFontSize = 11;
290    #else
291        const int defaultFontSize = 10;
292    #endif
293        const int settingFontSize = Settings::singleton()->scriptEditorFontSize;
294        const int fontSize = (settingFontSize > 0) ? settingFontSize : defaultFontSize;
295        return fontSize;
296    }
297    
298    void ScriptEditor::setFontSize(int size, bool save) {
299        //printf("setFontSize(%d,%d)\n", size, save);
300        Pango::FontDescription fdesc;
301        fdesc.set_family("monospace");
302    #if defined(__APPLE__)
303        // fixes poor readability of default monospace font on Macs
304        if (macIsMinMac10_6())
305            fdesc.set_family("Menlo");
306    #endif
307        fdesc.set_size(size * PANGO_SCALE);
308        /*Glib::RefPtr<Pango::Context> context = m_textView.get_pango_context();
309        Cairo::FontOptions options;
310        options.set_antialias(Cairo::ANTIALIAS_NONE);
311        context->set_cairo_font_options(options);*/
312    #if GTKMM_MAJOR_VERSION < 3
313        m_lineNrView.modify_font(fdesc);
314        m_textView.modify_font(fdesc);
315    #else
316        m_lineNrView.override_font(fdesc);
317        m_textView.override_font(fdesc);
318    #endif
319        if (save) Settings::singleton()->scriptEditorFontSize = size;
320  }  }
321    
322  void ScriptEditor::setScript(gig::Script* script) {  void ScriptEditor::setScript(gig::Script* script) {
# Line 169  void ScriptEditor::setScript(gig::Script Line 334  void ScriptEditor::setScript(gig::Script
334      m_textBuffer->set_modified(false);      m_textBuffer->set_modified(false);
335  }  }
336    
337    void ScriptEditor::updateLineNumbers() {
338        const int n = m_textBuffer->get_line_count();
339        const int old = m_lineNrBuffer->get_line_count();
340        if (n == old) return;
341        const int digits = log10(n) + 1;
342        const int bufSz = digits + 2;
343        char* buf = new char[bufSz];
344        std::string sFmt1 =   "%" + ToString(digits) + "d";
345        std::string sFmt2 = "\n%" + ToString(digits) + "d";
346        Glib::ustring s;
347        for (int i = 0; i < n; ++i) {
348            snprintf(buf, bufSz, i ? sFmt2.c_str() : sFmt1.c_str(), i+1);
349            s += buf;
350        }
351        m_lineNrBuffer->remove_all_tags(m_lineNrBuffer->begin(), m_lineNrBuffer->end());
352        m_lineNrBuffer->set_text(s);
353        m_lineNrBuffer->apply_tag(m_lineNrTag, m_lineNrBuffer->begin(), m_lineNrBuffer->end());
354        if (buf) delete[] buf;
355    }
356    
357  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) {
358        //printf("onTextInserted()\n");
359  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
360      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
361      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
362      updateParserIssuesByVM();      updateParserIssuesByVM();
363        updateStatusBar();
364  #else  #else
365      //printf("inserted %d\n", length);      //printf("inserted %d\n", length);
366      Gtk::TextBuffer::iterator itStart = itEnd;      Gtk::TextBuffer::iterator itStart = itEnd;
# Line 217  void ScriptEditor::onTextInserted(const Line 404  void ScriptEditor::onTextInserted(const
404      ;      ;
405            
406  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
407        updateLineNumbers();
408  }  }
409    
410  #if USE_LS_SCRIPTVM  #if USE_LS_SCRIPTVM
# Line 226  LinuxSampler::ScriptVM* ScriptEditor::Ge Line 414  LinuxSampler::ScriptVM* ScriptEditor::Ge
414      return m_vm;      return m_vm;
415  }  }
416    
417    template<class T>
418    static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const T& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
419        Gtk::TextBuffer::iterator itLine =
420            txtbuf->get_iter_at_line_index(issue.firstLine - 1, 0);
421        const int charsInLine = itLine.get_bytes_in_line();
422        start = txtbuf->get_iter_at_line_index(
423            issue.firstLine - 1,
424            // check we are not getting past the end of the line here, otherwise Gtk crashes
425            issue.firstColumn - 1 < charsInLine ? issue.firstColumn - 1 : charsInLine - 1
426        );
427        end = start;
428        end.forward_lines(issue.lastLine - issue.firstLine);
429        end.forward_chars(
430            (issue.lastLine != issue.firstLine)
431                ? issue.lastColumn - 1
432                : issue.lastColumn - issue.firstColumn + 1
433        );
434    }
435    
436  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) {
437      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itLine =
438          txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());          txtbuf->get_iter_at_line_index(token.firstLine(), 0);
439        const int charsInLine = itLine.get_bytes_in_line();
440        Gtk::TextBuffer::iterator itStart = txtbuf->get_iter_at_line_index(
441            token.firstLine(),
442            // check we are not getting past the end of the line here, otherwise Gtk crashes
443            token.firstColumn() < charsInLine ? token.firstColumn() : charsInLine - 1
444        );
445      Gtk::TextBuffer::iterator itEnd = itStart;      Gtk::TextBuffer::iterator itEnd = itStart;
446      const int length = token.text().length();      const int length = token.text().length();
447      itEnd.forward_chars(length);      itEnd.forward_chars(length);
# Line 236  static void applyCodeTag(Glib::RefPtr<Gt Line 449  static void applyCodeTag(Glib::RefPtr<Gt
449  }  }
450    
451  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) {
452      Gtk::TextBuffer::iterator itStart =      Gtk::TextBuffer::iterator itStart, itEnd;
453          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  
     );  
454      txtbuf->apply_tag(tag, itStart, itEnd);      txtbuf->apply_tag(tag, itStart, itEnd);
455  }  }
456    
457    static void applyPreprocessorComment(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::CodeBlock& block, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
458        Gtk::TextBuffer::iterator itStart, itEnd;
459        getIteratorsForIssue(txtbuf, block, itStart, itEnd);
460        txtbuf->apply_tag(tag, itStart, itEnd);
461    }
462    
463  void ScriptEditor::updateSyntaxHighlightingByVM() {  void ScriptEditor::updateSyntaxHighlightingByVM() {
464      GetScriptVM();      GetScriptVM();
465      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
466        if (s.empty()) return;
467      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);      std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
468    
469      for (int i = 0; i < tokens.size(); ++i) {      for (int i = 0; i < tokens.size(); ++i) {
# Line 284  void ScriptEditor::updateParserIssuesByV Line 496  void ScriptEditor::updateParserIssuesByV
496      GetScriptVM();      GetScriptVM();
497      const std::string s = m_textBuffer->get_text();      const std::string s = m_textBuffer->get_text();
498      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);      LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
499      std::vector<LinuxSampler::ParserIssue> issues = parserContext->issues();      m_issues = parserContext->issues();
500        m_errors = parserContext->errors();
501        m_warnings = parserContext->warnings();
502        m_preprocComments = parserContext->preprocessorComments();
503    
504        if (!s.empty()) {
505            for (int i = 0; i < m_issues.size(); ++i) {
506                const LinuxSampler::ParserIssue& issue = m_issues[i];
507    
508                if (issue.isErr()) {
509                    applyCodeTag(m_textBuffer, issue, m_errorTag);
510                } else if (issue.isWrn()) {
511                    applyCodeTag(m_textBuffer, issue, m_warningTag);
512                }
513            }
514        }
515    
516      for (int i = 0; i < issues.size(); ++i) {      for (int i = 0; i < m_preprocComments.size(); ++i) {
517          const LinuxSampler::ParserIssue& issue = issues[i];          applyPreprocessorComment(m_textBuffer, m_preprocComments[i],
518                                     m_preprocCommentTag);
519        }
520    
521          if (issue.isErr()) {      delete parserContext;
522              applyCodeTag(m_textBuffer, issue, m_errorTag);  }
523          } else if (issue.isWrn()) {  
524              applyCodeTag(m_textBuffer, issue, m_warningTag);  void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
525        int x, y;
526        m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
527    
528        Gtk::TextBuffer::iterator it;
529        m_textView.get_iter_at_location(it, x, y);
530        
531        const int line = it.get_line();
532        const int column = it.get_line_offset();
533    
534        //printf("mouse at l%d c%d\n", line, column);
535    
536        for (int i = 0; i < m_issues.size(); ++i) {
537            const LinuxSampler::ParserIssue& issue = m_issues[i];
538            const int firstLine   = issue.firstLine - 1;
539            const int firstColumn = issue.firstColumn - 1;
540            const int lastLine    = issue.lastLine - 1;
541            const int lastColumn  = issue.lastColumn - 1;
542            if (firstLine <= line && line <= lastLine &&
543                (firstLine != line || firstColumn <= column) &&
544                (lastLine  != line || lastColumn  >= column))
545            {
546                m_textView.set_tooltip_markup(
547                    (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
548                    issue.txt
549                );
550                return;
551          }          }
552      }      }
553    
554      delete parserContext;      for (int i = 0; i < m_preprocComments.size(); ++i) {
555            const LinuxSampler::CodeBlock& block = m_preprocComments[i];
556            const int firstLine   = block.firstLine - 1;
557            const int firstColumn = block.firstColumn - 1;
558            const int lastLine    = block.lastLine - 1;
559            const int lastColumn  = block.lastColumn - 1;
560            if (firstLine  <= line && line <= lastLine &&
561                (firstLine != line || firstColumn <= column) &&
562                (lastLine  != line || lastColumn  >= column))
563            {
564                m_textView.set_tooltip_markup(
565                    "Code block filtered out by preceding <span foreground=\"" PREPROC_TOKEN_COLOR "\">preprocessor</span> statement."
566                );
567                return;
568            }
569        }
570    
571        m_textView.set_tooltip_markup("");
572    }
573    
574    static std::string warningsCountTxt(const std::vector<LinuxSampler::ParserIssue> warnings) {
575        std::string txt = "<span foreground=\"#c4950c\">" + ToString(warnings.size());
576        txt += (warnings.size() == 1) ? " Warning" : " Warnings";
577        txt += "</span>";
578        return txt;
579    }
580    
581    static std::string errorsCountTxt(const std::vector<LinuxSampler::ParserIssue> errors) {
582        std::string txt = "<span foreground=\"#c40c0c\">" + ToString(errors.size());
583        txt += (errors.size() == 1) ? " Error" : " Errors";
584        txt += "</span>";
585        return txt;
586    }
587    
588    void ScriptEditor::updateStatusBar() {
589        // update status text
590        std::string txt;
591        if (m_issues.empty()) {
592            txt = "No issues with this script.";
593        } else {
594            const char* txtWontLoad = ". Sampler won't load instruments using this script!";
595            txt = "There ";
596            txt += (m_errors.size() <= 1 && m_warnings.size() <= 1) ? "is " : "are ";
597            if (m_errors.empty()) {
598                txt += warningsCountTxt(m_warnings) + ". Script will load, but might not behave as expected!";
599            } else if (m_warnings.empty()) {
600                txt += errorsCountTxt(m_errors) + txtWontLoad;
601            } else {
602                txt += errorsCountTxt(m_errors) + " and " +
603                       warningsCountTxt(m_warnings) + txtWontLoad;
604            }
605        }
606        m_statusLabel.set_markup(txt);
607    
608        // update status icon
609        m_statusImage.set(
610            m_issues.empty() ? m_successIcon : !m_errors.empty() ? m_errorIcon : m_warningIcon
611        );
612  }  }
613    
614  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
# Line 307  void ScriptEditor::onTextErased(const Gt Line 619  void ScriptEditor::onTextErased(const Gt
619      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());      m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
620      updateSyntaxHighlightingByVM();      updateSyntaxHighlightingByVM();
621      updateParserIssuesByVM();      updateParserIssuesByVM();
622        updateStatusBar();
623  #else  #else
624      Gtk::TextBuffer::iterator itStart2 = itStart;      Gtk::TextBuffer::iterator itStart2 = itStart;
625      if (itStart2.inside_word() || itStart2.ends_word())      if (itStart2.inside_word() || itStart2.ends_word())
# Line 317  void ScriptEditor::onTextErased(const Gt Line 630  void ScriptEditor::onTextErased(const Gt
630    
631      m_textBuffer->remove_all_tags(itStart2, itEnd2);      m_textBuffer->remove_all_tags(itStart2, itEnd2);
632  #endif // USE_LS_SCRIPTVM  #endif // USE_LS_SCRIPTVM
633        updateLineNumbers();
634    }
635    
636    bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
637    #if USE_LS_SCRIPTVM
638        //TODO: event throttling would be a good idea here
639        updateIssueTooltip(e);
640    #endif
641        return ManagedWindow::on_motion_notify_event(e);
642    }
643    
644    void ScriptEditor::onMenuChangeFontSize() {
645        //TODO: for GTKMM >= 3.2 class Gtk::FontChooser could be used instead
646        Gtk::Dialog dialog(_("Font Size"), true /*modal*/);
647        Gtk::HBox hbox;
648        hbox.set_spacing(6);
649    
650        Gtk::Label label(_("Editor's Font Size:"), Gtk::ALIGN_START);
651        hbox.pack_start(label, Gtk::PACK_SHRINK);
652    
653        Gtk::SpinButton spinButton;
654        spinButton.set_range(4, 80);
655        spinButton.set_increments(1, 10);
656        spinButton.set_value(currentFontSize());
657        hbox.pack_start(spinButton);
658    
659        dialog.get_vbox()->pack_start(hbox);
660        dialog.add_button(_("_OK"), 0);
661        dialog.add_button(_("_Cancel"), 1);
662    
663        dialog.show_all_children();
664    
665        if (!dialog.run()) { // OK selected ...
666            const int newFontSize = spinButton.get_value_as_int();
667            if (newFontSize >= 4)
668                setFontSize(newFontSize, true);
669        }
670    }
671    
672    bool ScriptEditor::onWindowDelete(GdkEventAny* e) {
673        //printf("onWindowDelete\n");
674    
675        if (!isModified()) return false; // propagate event further (which will close this window)
676    
677        gchar* msg = g_strdup_printf(_("Apply changes to instrument script \"%s\" before closing?"),
678                                     m_script->Name.c_str());
679        Gtk::MessageDialog dialog(*this, msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
680        g_free(msg);
681        dialog.set_secondary_text(_("If you close without applying, your changes will be lost."));
682        dialog.add_button(_("Close _Without Applying"), Gtk::RESPONSE_NO);
683        dialog.add_button(_("_Cancel"), Gtk::RESPONSE_CANCEL);
684        dialog.add_button(_("_Apply"), Gtk::RESPONSE_YES);
685        dialog.set_default_response(Gtk::RESPONSE_YES);
686        int response = dialog.run();
687        dialog.hide();
688    
689        // user decided to close script editor without saving
690        if (response == Gtk::RESPONSE_NO)
691            return false; // propagate event further (which will close this window)
692    
693        // user cancelled dialog, thus don't close script editor
694        if (response == Gtk::RESPONSE_CANCEL) {
695            show();
696            return true; // drop event (prevents closing this window)
697        }
698    
699        // user wants to apply the changes, afterwards close window
700        if (response == Gtk::RESPONSE_YES) {
701            onButtonApply();
702            return false; // propagate event further (which will close this window)
703        }
704    
705        // should never ever make it to this point actually
706        return false;
707    }
708    
709    bool ScriptEditor::isModified() const {
710        return m_textBuffer->get_modified();
711  }  }
712    
713  void ScriptEditor::onModifiedChanged() {  void ScriptEditor::onModifiedChanged() {
714      m_applyButton.set_sensitive( m_textBuffer->get_modified() );      m_applyButton.set_sensitive(isModified());
715    #if USE_LS_SCRIPTVM
716        updateStatusBar();
717    #endif
718  }  }
719    
720  void ScriptEditor::onButtonCancel() {  void ScriptEditor::onButtonCancel() {
721        bool dropEvent = onWindowDelete(NULL);
722        if (dropEvent) return;
723      hide();      hide();
724  }  }
725    
726  void ScriptEditor::onButtonApply() {  void ScriptEditor::onButtonApply() {
727        signal_script_to_be_changed.emit(m_script);
728      m_script->SetScriptAsText(m_textBuffer->get_text());      m_script->SetScriptAsText(m_textBuffer->get_text());
729        signal_script_changed.emit(m_script);
730      m_textBuffer->set_modified(false);      m_textBuffer->set_modified(false);
731  }  }
732    
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