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

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Revision 2887 - (show annotations) (download)
Fri Apr 22 17:10:51 2016 UTC (7 years, 11 months ago) by schoenebeck
File size: 9067 byte(s)
* Script Editor: Some color tweaks (using now same text colors as on
  the NKSP refrence documentation website).
* Bumped version (1.0.0.svn3).

1 /*
2 Copyright (c) 2014-2016 Christian Schoenebeck
3
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 #if USE_LS_SCRIPTVM
11 # include <linuxsampler/scriptvm/ScriptVM.h>
12 #endif
13
14 #if !USE_LS_SCRIPTVM
15
16 static const std::string _keywords[] = {
17 "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
18 "select", "to", "const", "polyphonic", "mod"
19 };
20 static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
21
22 static const std::string _eventNames[] = {
23 "init", "note", "release", "controller"
24 };
25 static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string);
26
27 static bool isKeyword(const Glib::ustring& s) {
28 for (int i = 0; i < _keywordsSz; ++i)
29 if (_keywords[i] == s) return true;
30 return false;
31 }
32
33 static bool isEvent(const Glib::ustring& s) {
34 for (int i = 0; i < _eventNamesSz; ++i)
35 if (_eventNames[i] == s) return true;
36 return false;
37 }
38
39 #endif // !USE_LS_SCRIPTVM
40
41 ScriptEditor::ScriptEditor() :
42 m_applyButton(_("_Apply"), true),
43 m_cancelButton(_("_Cancel"), true)
44 {
45 m_script = NULL;
46 m_vm = NULL;
47
48 add(m_vbox);
49
50 m_tagTable = Gtk::TextBuffer::TagTable::create();
51
52 m_keywordTag = Gtk::TextBuffer::Tag::create();
53 m_keywordTag->property_foreground() = "#000000"; // black
54 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
55 m_tagTable->add(m_keywordTag);
56
57 m_eventTag = Gtk::TextBuffer::Tag::create();
58 m_eventTag->property_foreground() = "#07c0cf"; // cyan 1
59 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
60 m_tagTable->add(m_eventTag);
61
62 m_variableTag = Gtk::TextBuffer::Tag::create();
63 m_variableTag->property_foreground() = "#790cc4"; // magenta
64 m_tagTable->add(m_variableTag);
65
66 m_functionTag = Gtk::TextBuffer::Tag::create();
67 m_functionTag->property_foreground() = "#1ba1dd"; // cyan 2
68 m_tagTable->add(m_functionTag);
69
70 m_numberTag = Gtk::TextBuffer::Tag::create();
71 m_numberTag->property_foreground() = "#c4950c"; // yellow
72 m_tagTable->add(m_numberTag);
73
74 m_stringTag = Gtk::TextBuffer::Tag::create();
75 m_stringTag->property_foreground() = "#c40c0c"; // red
76 m_tagTable->add(m_stringTag);
77
78 m_commentTag = Gtk::TextBuffer::Tag::create();
79 m_commentTag->property_foreground() = "#9c9c9c"; // gray
80 m_tagTable->add(m_commentTag);
81
82 m_preprocTag = Gtk::TextBuffer::Tag::create();
83 m_preprocTag->property_foreground() = "#2f8a33"; // green
84 m_tagTable->add(m_preprocTag);
85
86 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
87 m_textView.set_buffer(m_textBuffer);
88 {
89 Pango::FontDescription fdesc;
90 fdesc.set_family("monospace");
91 #if defined(__APPLE__)
92 fdesc.set_size(12 * PANGO_SCALE);
93 #else
94 fdesc.set_size(10 * PANGO_SCALE);
95 #endif
96 #if GTKMM_MAJOR_VERSION < 3
97 m_textView.modify_font(fdesc);
98 #else
99 m_textView.override_font(fdesc);
100 #endif
101 }
102 m_scrolledWindow.add(m_textView);
103 m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
104 m_vbox.pack_start(m_scrolledWindow);
105
106 m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
107 m_buttonBox.pack_start(m_applyButton);
108 m_buttonBox.pack_start(m_cancelButton);
109 m_applyButton.set_can_default();
110 m_applyButton.set_sensitive(false);
111 m_applyButton.grab_focus();
112 m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
113
114 m_applyButton.signal_clicked().connect(
115 sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
116 );
117
118 m_cancelButton.signal_clicked().connect(
119 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
120 );
121
122 m_textBuffer->signal_insert().connect(
123 sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
124 );
125
126 m_textBuffer->signal_erase().connect(
127 sigc::mem_fun(*this, &ScriptEditor::onTextErased)
128 );
129
130 m_textBuffer->signal_modified_changed().connect(
131 sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
132 );
133
134 signal_hide().connect(
135 sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
136 );
137
138 show_all_children();
139
140 resize(460,300);
141 }
142
143 ScriptEditor::~ScriptEditor() {
144 printf("ScriptEditor destruct\n");
145 if (m_vm) delete m_vm;
146 }
147
148 void ScriptEditor::setScript(gig::Script* script) {
149 m_script = script;
150 if (!script) {
151 set_title(_("No Script"));
152 return;
153 }
154
155 set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
156
157 std::string txt = script->GetScriptAsText();
158 //printf("text : '%s'\n", txt.c_str());
159 m_textBuffer->set_text(txt);
160 m_textBuffer->set_modified(false);
161 }
162
163 void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
164 #if USE_LS_SCRIPTVM
165 updateSyntaxHighlightingByVM();
166 #else
167 //printf("inserted %d\n", length);
168 Gtk::TextBuffer::iterator itStart = itEnd;
169 itStart.backward_chars(length);
170
171 Gtk::TextBuffer::iterator it = itStart;
172 it.backward_word_start();
173
174 bool eofReached = false;
175 while (it <= itEnd) {
176 Gtk::TextBuffer::iterator itWordStart = it;
177 if (!it.forward_word_end()) {
178 eofReached = true;
179 it = itEnd;
180 }
181
182 Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
183 //printf("{%s}\n", s.c_str());
184 if (isKeyword(s))
185 m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
186 else if (isEvent(s)) {
187 // check if previous word is "on"
188 Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
189 if (itPreviousWordStart.backward_word_start()) {
190 Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
191 itPreviousWordEnd.forward_word_end();
192 if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
193 m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
194 }
195 }
196 }
197
198 if (eofReached) break;
199
200 while (!it.inside_word())
201 if (!it.forward_char())
202 goto EOF_REACHED;
203 }
204
205 EOF_REACHED:
206 ;
207
208 #endif // USE_LS_SCRIPTVM
209 }
210
211 #if USE_LS_SCRIPTVM
212
213 static void applyCodeTag(Glib::RefPtr<Gtk::TextBuffer>& txtbuf, const LinuxSampler::VMSourceToken& token, Glib::RefPtr<Gtk::TextBuffer::Tag>& tag) {
214 Gtk::TextBuffer::iterator itStart =
215 txtbuf->get_iter_at_line_index(token.firstLine(), token.firstColumn());
216 Gtk::TextBuffer::iterator itEnd = itStart;
217 const int length = token.text().length();
218 itEnd.forward_chars(length);
219 txtbuf->apply_tag(tag, itStart, itEnd);
220 }
221
222 void ScriptEditor::updateSyntaxHighlightingByVM() {
223 if (!m_vm) m_vm = new LinuxSampler::ScriptVM();
224 const std::string s = m_textBuffer->get_text();
225 std::vector<LinuxSampler::VMSourceToken> tokens = m_vm->syntaxHighlighting(s);
226
227 m_textBuffer->remove_all_tags(m_textBuffer->begin(), m_textBuffer->end());
228
229 for (int i = 0; i < tokens.size(); ++i) {
230 const LinuxSampler::VMSourceToken& token = tokens[i];
231
232 if (token.isKeyword()) {
233 applyCodeTag(m_textBuffer, token, m_keywordTag);
234 } else if (token.isVariableName()) {
235 applyCodeTag(m_textBuffer, token, m_variableTag);
236 } else if (token.isIdentifier()) {
237 if (token.isEventHandlerName()) {
238 applyCodeTag(m_textBuffer, token, m_eventTag);
239 } else { // a function ...
240 applyCodeTag(m_textBuffer, token, m_functionTag);
241 }
242 } else if (token.isNumberLiteral()) {
243 applyCodeTag(m_textBuffer, token, m_numberTag);
244 } else if (token.isStringLiteral()) {
245 applyCodeTag(m_textBuffer, token, m_stringTag);
246 } else if (token.isComment()) {
247 applyCodeTag(m_textBuffer, token, m_commentTag);
248 } else if (token.isPreprocessor()) {
249 applyCodeTag(m_textBuffer, token, m_preprocTag);
250 } else if (token.isNewLine()) {
251 }
252 }
253 }
254
255 #endif // USE_LS_SCRIPTVM
256
257 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
258 //printf("erased\n");
259 #if USE_LS_SCRIPTVM
260 updateSyntaxHighlightingByVM();
261 #else
262 Gtk::TextBuffer::iterator itStart2 = itStart;
263 if (itStart2.inside_word() || itStart2.ends_word())
264 itStart2.backward_word_start();
265
266 Gtk::TextBuffer::iterator itEnd2 = itEnd;
267 if (itEnd2.inside_word()) itEnd2.forward_word_end();
268
269 m_textBuffer->remove_all_tags(itStart2, itEnd2);
270 #endif // USE_LS_SCRIPTVM
271 }
272
273 void ScriptEditor::onModifiedChanged() {
274 m_applyButton.set_sensitive( m_textBuffer->get_modified() );
275 }
276
277 void ScriptEditor::onButtonCancel() {
278 hide();
279 }
280
281 void ScriptEditor::onButtonApply() {
282 m_script->SetScriptAsText(m_textBuffer->get_text());
283 m_textBuffer->set_modified(false);
284 }
285
286 void ScriptEditor::onWindowHide() {
287 delete this; // this is the end, my friend
288 }

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