src/gigedit/scripteditor.cpp

/*
    Copyright (c) 2014-2016 Christian Schoenebeck
    
    This file is part of "gigedit" and released under the terms of the
    GNU General Public License version 2.
*/

#include "scripteditor.h"
#include "global.h"

#if !USE_LS_SCRIPTVM

static const std::string _keywords[] = {
    "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
    "select", "to", "const", "polyphonic", "mod"
};
static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);

static const std::string _eventNames[] = {
    "init", "note", "release", "controller"
};
static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string); 

static bool isKeyword(const Glib::ustring& s) {
    for (int i = 0; i < _keywordsSz; ++i)
        if (_keywords[i] == s) return true;
    return false;
}

static bool isEvent(const Glib::ustring& s) {
    for (int i = 0; i < _eventNamesSz; ++i)
        if (_eventNames[i] == s) return true;
    return false;
}

#endif // !USE_LS_SCRIPTVM

ScriptEditor::ScriptEditor() :
    m_applyButton(_("_Apply"), true),
    m_cancelButton(_("_Cancel"), true)
{
    m_script = NULL;
#if USE_LS_SCRIPTVM
    m_vm = NULL;
#endif

    add(m_vbox);

    m_tagTable = Gtk::TextBuffer::TagTable::create();

    m_keywordTag = Gtk::TextBuffer::Tag::create();
    m_keywordTag->property_foreground() = "#000000"; // black
    m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
    m_tagTable->add(m_keywordTag);

    m_eventTag = Gtk::TextBuffer::Tag::create();
    m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
    m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
    m_tagTable->add(m_eventTag);
    
    m_variableTag = Gtk::TextBuffer::Tag::create();
    m_variableTag->property_foreground() = "#790cc4"; // magenta
    m_tagTable->add(m_variableTag);
    
    m_functionTag = Gtk::TextBuffer::Tag::create();
    m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
    m_tagTable->add(m_functionTag);
    
    m_numberTag = Gtk::TextBuffer::Tag::create();
    m_numberTag->property_foreground() = "#c4950c"; // yellow
    m_tagTable->add(m_numberTag);

    m_stringTag = Gtk::TextBuffer::Tag::create();
    m_stringTag->property_foreground() = "#c40c0c"; // red
    m_tagTable->add(m_stringTag);

    m_commentTag = Gtk::TextBuffer::Tag::create();
    m_commentTag->property_foreground() = "#9c9c9c"; // gray
    m_tagTable->add(m_commentTag);

    m_preprocTag = Gtk::TextBuffer::Tag::create();
    m_preprocTag->property_foreground() = "#2f8a33"; // green
    m_tagTable->add(m_preprocTag);

    m_errorTag = Gtk::TextBuffer::Tag::create();
    m_errorTag->property_background() = "#ff9393"; // red
    m_tagTable->add(m_errorTag);

    m_warningTag = Gtk::TextBuffer::Tag::create();
    m_warningTag->property_background() = "#fffd7c"; // yellow
    m_tagTable->add(m_warningTag);

    m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
    m_textView.set_buffer(m_textBuffer);
    {
        Pango::FontDescription fdesc;
        fdesc.set_family("monospace");
#if defined(__APPLE__)
        fdesc.set_size(12 * PANGO_SCALE);
#else
        fdesc.set_size(10 * PANGO_SCALE);
#endif
#if GTKMM_MAJOR_VERSION < 3
        m_textView.modify_font(fdesc);
#else
        m_textView.override_font(fdesc);
#endif
    }
    m_scrolledWindow.add(m_textView);
    m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
    m_vbox.pack_start(m_scrolledWindow);

    m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
    m_buttonBox.pack_start(m_applyButton);
    m_buttonBox.pack_start(m_cancelButton);
    m_applyButton.set_can_default();
    m_applyButton.set_sensitive(false);
    m_applyButton.grab_focus();
    m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);

    m_applyButton.signal_clicked().connect(
        sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
    );

    m_cancelButton.signal_clicked().connect(
        sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
    );
    
    m_textBuffer->signal_insert().connect(
        sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
    );
    
    m_textBuffer->signal_erase().connect(
        sigc::mem_fun(*this, &ScriptEditor::onTextErased)
    );
    
    m_textBuffer->signal_modified_changed().connect(
        sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
    );
    
    signal_hide().connect(
        sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
    );

    show_all_children();

    resize(460,300);
}

ScriptEditor::~ScriptEditor() {
    printf("ScriptEditor destruct\n");
#if USE_LS_SCRIPTVM
    if (m_vm) delete m_vm;
#endif
}

void ScriptEditor::setScript(gig::Script* script) {
    m_script = script;
    if (!script) {
        set_title(_("No Script"));
        return;
    }

    set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
    
    std::string txt = script->GetScriptAsText();
    //printf("text : '%s'\n", txt.c_str());
    m_textBuffer->set_text(txt);
    m_textBuffer->set_modified(false);
}

void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
    //printf("onTextInserted()\n");
#if USE_LS_SCRIPTVM
    m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
    updateSyntaxHighlightingByVM();
    updateParserIssuesByVM();
#else
    //printf("inserted %d\n", length);
    Gtk::TextBuffer::iterator itStart = itEnd;
    itStart.backward_chars(length);

    Gtk::TextBuffer::iterator it = itStart;
    it.backward_word_start();

    bool eofReached = false;
    while (it <= itEnd) {
        Gtk::TextBuffer::iterator itWordStart = it;
        if (!it.forward_word_end()) {
            eofReached = true;
            it = itEnd;
        }

        Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
        //printf("{%s}\n", s.c_str());
        if (isKeyword(s))
            m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
        else if (isEvent(s)) {
            // check if previous word is "on"
            Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
            if (itPreviousWordStart.backward_word_start()) {
                Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
                itPreviousWordEnd.forward_word_end();
                if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
                    m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
                }
            }
        }

        if (eofReached) break;

        while (!it.inside_word())
            if (!it.forward_char())
                goto EOF_REACHED;
    }
    
    EOF_REACHED:
    ;
    
#endif // USE_LS_SCRIPTVM
}

#if USE_LS_SCRIPTVM

LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
    if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
    return m_vm;
}

static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
    start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
    end = start;
    end.forward_lines(issue.lastLine - issue.firstLine);
    end.forward_chars(
        (issue.lastLine != issue.firstLine)
            ? issue.lastColumn - 1
            : issue.lastColumn - issue.firstColumn + 1
    );
}

static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
    Gtk::TextBuffer::iterator itStart =
        txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
    Gtk::TextBuffer::iterator itEnd = itStart;
    const int length = token.text().length();
    itEnd.forward_chars(length);
    txtbuf->apply_tag(tag, itStart, itEnd);
}

static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
    Gtk::TextBuffer::iterator itStart, itEnd;
    getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
    txtbuf->apply_tag(tag, itStart, itEnd);
}

void ScriptEditor::updateSyntaxHighlightingByVM() {
    GetScriptVM();
    const std::string s = m_textBuffer->get_text();
    std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);

    for (int i = 0; i < tokens.size(); ++i) {
        const LinuxSampler::VMSourceToken& token = tokens[i];

        if (token.isKeyword()) {
            applyCodeTag(m_textBuffer, token, m_keywordTag);
        } else if (token.isVariableName()) {
            applyCodeTag(m_textBuffer, token, m_variableTag);
        } else if (token.isIdentifier()) {
            if (token.isEventHandlerName()) {
                applyCodeTag(m_textBuffer, token, m_eventTag);
            } else { // a function ...
                applyCodeTag(m_textBuffer, token, m_functionTag);
            }
        } else if (token.isNumberLiteral()) {
            applyCodeTag(m_textBuffer, token, m_numberTag);
        } else if (token.isStringLiteral()) {
            applyCodeTag(m_textBuffer, token, m_stringTag);
        } else if (token.isComment()) {
            applyCodeTag(m_textBuffer, token, m_commentTag);
        } else if (token.isPreprocessor()) {
            applyCodeTag(m_textBuffer, token, m_preprocTag);
        } else if (token.isNewLine()) {
        }
    }
}

void ScriptEditor::updateParserIssuesByVM() {
    GetScriptVM();
    const std::string s = m_textBuffer->get_text();
    LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
    m_issues = parserContext->issues();

    for (int i = 0; i < m_issues.size(); ++i) {
        const LinuxSampler::ParserIssue& issue = m_issues[i];

        if (issue.isErr()) {
            applyCodeTag(m_textBuffer, issue, m_errorTag);
        } else if (issue.isWrn()) {
            applyCodeTag(m_textBuffer, issue, m_warningTag);
        }
    }

    delete parserContext;
}

void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
    int x, y;
    m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);

    Gtk::TextBuffer::iterator it;
    m_textView.get_iter_at_location(it, x, y);
    
    const int line = it.get_line();
    const int column = it.get_line_offset();

    //printf("mouse at l%d c%d\n", line, column);

    for (int i = 0; i < m_issues.size(); ++i) {
        const LinuxSampler::ParserIssue& issue = m_issues[i];
        const int firstLine   = issue.firstLine - 1;
        const int firstColumn = issue.firstColumn - 1;
        const int lastLine    = issue.lastLine - 1;
        const int lastColumn  = issue.lastColumn - 1;
        if (firstLine <= line && line <= lastLine &&
            (firstLine != line || firstColumn <= column) &&
            (lastLine  != line || lastColumn  >= column))
        {
            m_textView.set_tooltip_markup(
                (issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
                issue.txt
            );
            return;
        }
    }

    m_textView.set_tooltip_markup("");
}

#endif // USE_LS_SCRIPTVM

void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
    //printf("erased\n");
#if USE_LS_SCRIPTVM
    m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
    updateSyntaxHighlightingByVM();
    updateParserIssuesByVM();
#else
    Gtk::TextBuffer::iterator itStart2 = itStart;
    if (itStart2.inside_word() || itStart2.ends_word())
        itStart2.backward_word_start();
    
    Gtk::TextBuffer::iterator itEnd2 = itEnd;
    if (itEnd2.inside_word()) itEnd2.forward_word_end();

    m_textBuffer->remove_all_tags(itStart2, itEnd2);
#endif // USE_LS_SCRIPTVM
}

bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
#if USE_LS_SCRIPTVM
    //TODO: event throttling would be a good idea here
    updateIssueTooltip(e);
#endif
    return ManagedWindow::on_motion_notify_event(e);
}

void ScriptEditor::onModifiedChanged() {
    m_applyButton.set_sensitive( m_textBuffer->get_modified() );
}

void ScriptEditor::onButtonCancel() {
    hide();
}

void ScriptEditor::onButtonApply() {
    m_script->SetScriptAsText(m_textBuffer->get_text());
    m_textBuffer->set_modified(false);
}

void ScriptEditor::onWindowHide() {
    delete this; // this is the end, my friend
}
1	schoenebeck	2604	/*
2	schoenebeck	2886	Copyright (c) 2014-2016 Christian Schoenebeck
3	schoenebeck	2604
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	schoenebeck	2886	#if !USE_LS_SCRIPTVM
12
13	schoenebeck	2604	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	schoenebeck	2886	#endif // !USE_LS_SCRIPTVM
37
38	schoenebeck	2604	ScriptEditor::ScriptEditor() :
39	persson	2845	m_applyButton(_("_Apply"), true),
40			m_cancelButton(_("_Cancel"), true)
41	schoenebeck	2604	{
42			m_script = NULL;
43	schoenebeck	2896	#if USE_LS_SCRIPTVM
44	schoenebeck	2886	m_vm = NULL;
45	schoenebeck	2896	#endif
46	schoenebeck	2604
47			add(m_vbox);
48
49			m_tagTable = Gtk::TextBuffer::TagTable::create();
50	schoenebeck	2886
51	schoenebeck	2604	m_keywordTag = Gtk::TextBuffer::Tag::create();
52	schoenebeck	2887	m_keywordTag->property_foreground() = "#000000"; // black
53	schoenebeck	2604	m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
54			m_tagTable->add(m_keywordTag);
55	schoenebeck	2886
56	schoenebeck	2604	m_eventTag = Gtk::TextBuffer::Tag::create();
57	schoenebeck	2887	m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
58	schoenebeck	2610	m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
59	schoenebeck	2604	m_tagTable->add(m_eventTag);
60	schoenebeck	2886
61			m_variableTag = Gtk::TextBuffer::Tag::create();
62	schoenebeck	2887	m_variableTag->property_foreground() = "#790cc4"; // magenta
63	schoenebeck	2886	m_tagTable->add(m_variableTag);
64
65			m_functionTag = Gtk::TextBuffer::Tag::create();
66	schoenebeck	2887	m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
67	schoenebeck	2886	m_tagTable->add(m_functionTag);
68
69			m_numberTag = Gtk::TextBuffer::Tag::create();
70	schoenebeck	2887	m_numberTag->property_foreground() = "#c4950c"; // yellow
71	schoenebeck	2886	m_tagTable->add(m_numberTag);
72
73			m_stringTag = Gtk::TextBuffer::Tag::create();
74	schoenebeck	2887	m_stringTag->property_foreground() = "#c40c0c"; // red
75	schoenebeck	2886	m_tagTable->add(m_stringTag);
76
77			m_commentTag = Gtk::TextBuffer::Tag::create();
78	schoenebeck	2887	m_commentTag->property_foreground() = "#9c9c9c"; // gray
79	schoenebeck	2886	m_tagTable->add(m_commentTag);
80
81			m_preprocTag = Gtk::TextBuffer::Tag::create();
82	schoenebeck	2887	m_preprocTag->property_foreground() = "#2f8a33"; // green
83	schoenebeck	2886	m_tagTable->add(m_preprocTag);
84
85	schoenebeck	2890	m_errorTag = Gtk::TextBuffer::Tag::create();
86			m_errorTag->property_background() = "#ff9393"; // red
87			m_tagTable->add(m_errorTag);
88
89			m_warningTag = Gtk::TextBuffer::Tag::create();
90			m_warningTag->property_background() = "#fffd7c"; // yellow
91			m_tagTable->add(m_warningTag);
92
93	schoenebeck	2604	m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
94			m_textView.set_buffer(m_textBuffer);
95			{
96			Pango::FontDescription fdesc;
97			fdesc.set_family("monospace");
98	schoenebeck	2664	#if defined(__APPLE__)
99			fdesc.set_size(12 * PANGO_SCALE);
100			#else
101	schoenebeck	2604	fdesc.set_size(10 * PANGO_SCALE);
102	schoenebeck	2664	#endif
103	schoenebeck	2604	#if GTKMM_MAJOR_VERSION < 3
104			m_textView.modify_font(fdesc);
105			#else
106			m_textView.override_font(fdesc);
107			#endif
108			}
109			m_scrolledWindow.add(m_textView);
110			m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
111			m_vbox.pack_start(m_scrolledWindow);
112
113			m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
114			m_buttonBox.pack_start(m_applyButton);
115			m_buttonBox.pack_start(m_cancelButton);
116			m_applyButton.set_can_default();
117			m_applyButton.set_sensitive(false);
118			m_applyButton.grab_focus();
119			m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
120
121			m_applyButton.signal_clicked().connect(
122			sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
123			);
124
125			m_cancelButton.signal_clicked().connect(
126			sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
127			);
128
129			m_textBuffer->signal_insert().connect(
130			sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
131			);
132
133			m_textBuffer->signal_erase().connect(
134			sigc::mem_fun(*this, &ScriptEditor::onTextErased)
135			);
136
137			m_textBuffer->signal_modified_changed().connect(
138			sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
139			);
140
141			signal_hide().connect(
142			sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
143			);
144
145			show_all_children();
146
147			resize(460,300);
148			}
149
150			ScriptEditor::~ScriptEditor() {
151			printf("ScriptEditor destruct\n");
152	schoenebeck	2896	#if USE_LS_SCRIPTVM
153	schoenebeck	2886	if (m_vm) delete m_vm;
154	schoenebeck	2896	#endif
155	schoenebeck	2604	}
156
157			void ScriptEditor::setScript(gig::Script* script) {
158			m_script = script;
159			if (!script) {
160			set_title(_("No Script"));
161			return;
162			}
163
164			set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
165
166			std::string txt = script->GetScriptAsText();
167			//printf("text : '%s'\n", txt.c_str());
168			m_textBuffer->set_text(txt);
169			m_textBuffer->set_modified(false);
170			}
171
172			void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
173	schoenebeck	2897	//printf("onTextInserted()\n");
174	schoenebeck	2886	#if USE_LS_SCRIPTVM
175	schoenebeck	2890	m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
176	schoenebeck	2886	updateSyntaxHighlightingByVM();
177	schoenebeck	2890	updateParserIssuesByVM();
178	schoenebeck	2886	#else
179	schoenebeck	2610	//printf("inserted %d\n", length);
180	schoenebeck	2604	Gtk::TextBuffer::iterator itStart = itEnd;
181			itStart.backward_chars(length);
182
183			Gtk::TextBuffer::iterator it = itStart;
184			it.backward_word_start();
185
186			bool eofReached = false;
187			while (it <= itEnd) {
188			Gtk::TextBuffer::iterator itWordStart = it;
189			if (!it.forward_word_end()) {
190			eofReached = true;
191			it = itEnd;
192			}
193
194			Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
195	schoenebeck	2610	//printf("{%s}\n", s.c_str());
196	schoenebeck	2604	if (isKeyword(s))
197			m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
198			else if (isEvent(s)) {
199			// check if previous word is "on"
200			Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
201			if (itPreviousWordStart.backward_word_start()) {
202			Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
203			itPreviousWordEnd.forward_word_end();
204			if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
205			m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
206			}
207			}
208			}
209
210			if (eofReached) break;
211
212			while (!it.inside_word())
213			if (!it.forward_char())
214			goto EOF_REACHED;
215			}
216
217			EOF_REACHED:
218			;
219	schoenebeck	2886
220			#endif // USE_LS_SCRIPTVM
221	schoenebeck	2604	}
222
223	schoenebeck	2886	#if USE_LS_SCRIPTVM
224
225	schoenebeck	2890	LinuxSampler::ScriptVM* ScriptEditor::GetScriptVM() {
226			if (!m_vm) m_vm = LinuxSampler::ScriptVMFactory::Create("gig");
227			return m_vm;
228			}
229
230	schoenebeck	2897	static void getIteratorsForIssue(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Gtk::TextBuffer::iterator& start, Gtk::TextBuffer::iterator& end) {
231			start = txtbuf->get_iter_at_line_index(issue.firstLine - 1, issue.firstColumn - 1);
232			end = start;
233			end.forward_lines(issue.lastLine - issue.firstLine);
234			end.forward_chars(
235			(issue.lastLine != issue.firstLine)
236			? issue.lastColumn - 1
237			: issue.lastColumn - issue.firstColumn + 1
238			);
239			}
240
241	schoenebeck	2886	static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
242			Gtk::TextBuffer::iterator itStart =
243			txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
244			Gtk::TextBuffer::iterator itEnd = itStart;
245			const int length = token.text().length();
246			itEnd.forward_chars(length);
247			txtbuf->apply_tag(tag, itStart, itEnd);
248			}
249
250	schoenebeck	2890	static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::ParserIssue& issue, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
251	schoenebeck	2897	Gtk::TextBuffer::iterator itStart, itEnd;
252			getIteratorsForIssue(txtbuf, issue, itStart, itEnd);
253	schoenebeck	2890	txtbuf->apply_tag(tag, itStart, itEnd);
254			}
255
256	schoenebeck	2886	void ScriptEditor::updateSyntaxHighlightingByVM() {
257	schoenebeck	2890	GetScriptVM();
258	schoenebeck	2886	const std::string s = m_textBuffer->get_text();
259			std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
260
261			for (int i = 0; i < tokens.size(); ++i) {
262			const LinuxSampler::VMSourceToken& token = tokens[i];
263
264			if (token.isKeyword()) {
265			applyCodeTag(m_textBuffer, token, m_keywordTag);
266			} else if (token.isVariableName()) {
267			applyCodeTag(m_textBuffer, token, m_variableTag);
268			} else if (token.isIdentifier()) {
269			if (token.isEventHandlerName()) {
270			applyCodeTag(m_textBuffer, token, m_eventTag);
271			} else { // a function ...
272			applyCodeTag(m_textBuffer, token, m_functionTag);
273			}
274			} else if (token.isNumberLiteral()) {
275			applyCodeTag(m_textBuffer, token, m_numberTag);
276			} else if (token.isStringLiteral()) {
277			applyCodeTag(m_textBuffer, token, m_stringTag);
278			} else if (token.isComment()) {
279			applyCodeTag(m_textBuffer, token, m_commentTag);
280			} else if (token.isPreprocessor()) {
281			applyCodeTag(m_textBuffer, token, m_preprocTag);
282			} else if (token.isNewLine()) {
283			}
284			}
285			}
286
287	schoenebeck	2890	void ScriptEditor::updateParserIssuesByVM() {
288			GetScriptVM();
289			const std::string s = m_textBuffer->get_text();
290			LinuxSampler::VMParserContext* parserContext = m_vm->loadScript(s);
291	schoenebeck	2896	m_issues = parserContext->issues();
292	schoenebeck	2890
293	schoenebeck	2896	for (int i = 0; i < m_issues.size(); ++i) {
294			const LinuxSampler::ParserIssue& issue = m_issues[i];
295	schoenebeck	2890
296			if (issue.isErr()) {
297			applyCodeTag(m_textBuffer, issue, m_errorTag);
298			} else if (issue.isWrn()) {
299			applyCodeTag(m_textBuffer, issue, m_warningTag);
300			}
301			}
302
303	schoenebeck	2897	delete parserContext;
304			}
305	schoenebeck	2896
306	schoenebeck	2897	void ScriptEditor::updateIssueTooltip(GdkEventMotion* e) {
307			int x, y;
308			m_textView.window_to_buffer_coords(Gtk::TEXT_WINDOW_TEXT, int(e->x), int(e->y), x, y);
309	schoenebeck	2896
310	schoenebeck	2897	Gtk::TextBuffer::iterator it;
311			m_textView.get_iter_at_location(it, x, y);
312
313			const int line = it.get_line();
314			const int column = it.get_line_offset();
315
316			//printf("mouse at l%d c%d\n", line, column);
317
318			for (int i = 0; i < m_issues.size(); ++i) {
319			const LinuxSampler::ParserIssue& issue = m_issues[i];
320			const int firstLine = issue.firstLine - 1;
321			const int firstColumn = issue.firstColumn - 1;
322			const int lastLine = issue.lastLine - 1;
323			const int lastColumn = issue.lastColumn - 1;
324			if (firstLine <= line && line <= lastLine &&
325			(firstLine != line \|\| firstColumn <= column) &&
326			(lastLine != line \|\| lastColumn >= column))
327			{
328			m_textView.set_tooltip_markup(
329			(issue.isErr() ? "<span foreground=\"#ff9393\">ERROR:</span> " : "<span foreground=\"#c4950c\">Warning:</span> ") +
330			issue.txt
331			);
332			return;
333	schoenebeck	2896	}
334			}
335
336	schoenebeck	2897	m_textView.set_tooltip_markup("");
337	schoenebeck	2890	}
338
339	schoenebeck	2886	#endif // USE_LS_SCRIPTVM
340
341	schoenebeck	2604	void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
342	schoenebeck	2610	//printf("erased\n");
343	schoenebeck	2886	#if USE_LS_SCRIPTVM
344	schoenebeck	2890	m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
345	schoenebeck	2886	updateSyntaxHighlightingByVM();
346	schoenebeck	2890	updateParserIssuesByVM();
347	schoenebeck	2886	#else
348	schoenebeck	2604	Gtk::TextBuffer::iterator itStart2 = itStart;
349			if (itStart2.inside_word() \|\| itStart2.ends_word())
350			itStart2.backward_word_start();
351
352			Gtk::TextBuffer::iterator itEnd2 = itEnd;
353			if (itEnd2.inside_word()) itEnd2.forward_word_end();
354
355			m_textBuffer->remove_all_tags(itStart2, itEnd2);
356	schoenebeck	2886	#endif // USE_LS_SCRIPTVM
357	schoenebeck	2604	}
358
359	schoenebeck	2897	bool ScriptEditor::on_motion_notify_event(GdkEventMotion* e) {
360			#if USE_LS_SCRIPTVM
361			//TODO: event throttling would be a good idea here
362			updateIssueTooltip(e);
363			#endif
364			return ManagedWindow::on_motion_notify_event(e);
365			}
366
367	schoenebeck	2604	void ScriptEditor::onModifiedChanged() {
368			m_applyButton.set_sensitive( m_textBuffer->get_modified() );
369			}
370
371			void ScriptEditor::onButtonCancel() {
372			hide();
373			}
374
375			void ScriptEditor::onButtonApply() {
376			m_script->SetScriptAsText(m_textBuffer->get_text());
377			m_textBuffer->set_modified(false);
378			}
379
380			void ScriptEditor::onWindowHide() {
381			delete this; // this is the end, my friend
382			}