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

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Revision 2664 - (show annotations) (download)
Sat Jul 5 19:43:14 2014 UTC (4 years, 11 months ago) by schoenebeck
File size: 5857 byte(s)
* If launched by the sampler ("live-mode"): automatically
  select and show the instrument which the sampler requested
  gigedit to edit.
* OS X: Increased instrument script editor's font size by 20%.

1 /*
2 Copyright (c) 2014 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
11 static const std::string _keywords[] = {
12 "on", "end", "declare", "while", "if", "or", "and", "not", "else", "case",
13 "select", "to", "const", "polyphonic", "mod"
14 };
15 static int _keywordsSz = sizeof(_keywords) / sizeof(std::string);
16
17 static const std::string _eventNames[] = {
18 "init", "note", "release", "controller"
19 };
20 static int _eventNamesSz = sizeof(_eventNames) / sizeof(std::string);
21
22 static bool isKeyword(const Glib::ustring& s) {
23 for (int i = 0; i < _keywordsSz; ++i)
24 if (_keywords[i] == s) return true;
25 return false;
26 }
27
28 static bool isEvent(const Glib::ustring& s) {
29 for (int i = 0; i < _eventNamesSz; ++i)
30 if (_eventNames[i] == s) return true;
31 return false;
32 }
33
34 ScriptEditor::ScriptEditor() :
35 m_applyButton(Gtk::Stock::APPLY), m_cancelButton(Gtk::Stock::CANCEL)
36 {
37 m_script = NULL;
38
39 add(m_vbox);
40
41 m_tagTable = Gtk::TextBuffer::TagTable::create();
42 m_keywordTag = Gtk::TextBuffer::Tag::create();
43 m_keywordTag->property_weight() = PANGO_WEIGHT_BOLD;
44 m_tagTable->add(m_keywordTag);
45 m_eventTag = Gtk::TextBuffer::Tag::create();
46 m_eventTag->property_foreground() = "blue";
47 m_eventTag->property_weight() = PANGO_WEIGHT_BOLD;
48 m_tagTable->add(m_eventTag);
49 m_textBuffer = Gtk::TextBuffer::create(m_tagTable);
50 m_textView.set_buffer(m_textBuffer);
51 {
52 Pango::FontDescription fdesc;
53 fdesc.set_family("monospace");
54 #if defined(__APPLE__)
55 fdesc.set_size(12 * PANGO_SCALE);
56 #else
57 fdesc.set_size(10 * PANGO_SCALE);
58 #endif
59 #if GTKMM_MAJOR_VERSION < 3
60 m_textView.modify_font(fdesc);
61 #else
62 m_textView.override_font(fdesc);
63 #endif
64 }
65 m_scrolledWindow.add(m_textView);
66 m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
67 m_vbox.pack_start(m_scrolledWindow);
68
69 m_buttonBox.set_layout(Gtk::BUTTONBOX_END);
70 m_buttonBox.pack_start(m_applyButton);
71 m_buttonBox.pack_start(m_cancelButton);
72 m_applyButton.set_can_default();
73 m_applyButton.set_sensitive(false);
74 m_applyButton.grab_focus();
75 m_vbox.pack_start(m_buttonBox, Gtk::PACK_SHRINK);
76
77 m_applyButton.signal_clicked().connect(
78 sigc::mem_fun(*this, &ScriptEditor::onButtonApply)
79 );
80
81 m_cancelButton.signal_clicked().connect(
82 sigc::mem_fun(*this, &ScriptEditor::onButtonCancel)
83 );
84
85 m_textBuffer->signal_insert().connect(
86 sigc::mem_fun(*this, &ScriptEditor::onTextInserted)
87 );
88
89 m_textBuffer->signal_erase().connect(
90 sigc::mem_fun(*this, &ScriptEditor::onTextErased)
91 );
92
93 m_textBuffer->signal_modified_changed().connect(
94 sigc::mem_fun(*this, &ScriptEditor::onModifiedChanged)
95 );
96
97 signal_hide().connect(
98 sigc::mem_fun(*this, &ScriptEditor::onWindowHide)
99 );
100
101 show_all_children();
102
103 resize(460,300);
104 }
105
106 ScriptEditor::~ScriptEditor() {
107 printf("ScriptEditor destruct\n");
108 }
109
110 void ScriptEditor::setScript(gig::Script* script) {
111 m_script = script;
112 if (!script) {
113 set_title(_("No Script"));
114 return;
115 }
116
117 set_title(std::string(_("Instrument Script")) + " - \"" + script->Name + "\"");
118
119 std::string txt = script->GetScriptAsText();
120 //printf("text : '%s'\n", txt.c_str());
121 m_textBuffer->set_text(txt);
122 m_textBuffer->set_modified(false);
123 }
124
125 void ScriptEditor::onTextInserted(const Gtk::TextBuffer::iterator& itEnd, const Glib::ustring& txt, int length) {
126 //printf("inserted %d\n", length);
127 Gtk::TextBuffer::iterator itStart = itEnd;
128 itStart.backward_chars(length);
129
130 Gtk::TextBuffer::iterator it = itStart;
131 it.backward_word_start();
132
133 bool eofReached = false;
134 while (it <= itEnd) {
135 Gtk::TextBuffer::iterator itWordStart = it;
136 if (!it.forward_word_end()) {
137 eofReached = true;
138 it = itEnd;
139 }
140
141 Glib::ustring s = m_textBuffer->get_text(itWordStart, it, false);
142 //printf("{%s}\n", s.c_str());
143 if (isKeyword(s))
144 m_textBuffer->apply_tag(m_keywordTag, itWordStart, it);
145 else if (isEvent(s)) {
146 // check if previous word is "on"
147 Gtk::TextBuffer::iterator itPreviousWordStart = itWordStart;
148 if (itPreviousWordStart.backward_word_start()) {
149 Gtk::TextBuffer::iterator itPreviousWordEnd = itPreviousWordStart;
150 itPreviousWordEnd.forward_word_end();
151 if (m_textBuffer->get_text(itPreviousWordStart, itPreviousWordEnd, false) == "on") {
152 m_textBuffer->apply_tag(m_eventTag, itWordStart, it);
153 }
154 }
155 }
156
157 if (eofReached) break;
158
159 while (!it.inside_word())
160 if (!it.forward_char())
161 goto EOF_REACHED;
162 }
163
164 EOF_REACHED:
165 ;
166 }
167
168 void ScriptEditor::onTextErased(const Gtk::TextBuffer::iterator& itStart, const Gtk::TextBuffer::iterator& itEnd) {
169 //printf("erased\n");
170 Gtk::TextBuffer::iterator itStart2 = itStart;
171 if (itStart2.inside_word() || itStart2.ends_word())
172 itStart2.backward_word_start();
173
174 Gtk::TextBuffer::iterator itEnd2 = itEnd;
175 if (itEnd2.inside_word()) itEnd2.forward_word_end();
176
177 m_textBuffer->remove_all_tags(itStart2, itEnd2);
178 }
179
180 void ScriptEditor::onModifiedChanged() {
181 m_applyButton.set_sensitive( m_textBuffer->get_modified() );
182 }
183
184 void ScriptEditor::onButtonCancel() {
185 hide();
186 }
187
188 void ScriptEditor::onButtonApply() {
189 m_script->SetScriptAsText(m_textBuffer->get_text());
190 m_textBuffer->set_modified(false);
191 }
192
193 void ScriptEditor::onWindowHide() {
194 delete this; // this is the end, my friend
195 }

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