/usr/lib/Wt/examples/codeview/CoderWidget.C is in witty-examples 3.1.10-1ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | /*
* Copyright (C) 2010 Emweb bvba, Heverlee, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include <Wt/WPushButton>
#include <Wt/WLineEdit>
#include <Wt/WTextArea>
#include <Wt/WText>
#include "CoderWidget.h"
using namespace Wt;
class BufferEditorWidget : public WContainerWidget
{
public:
BufferEditorWidget()
{
setStyleClass("editor");
new WText("File: ", this);
nameEdit_ = new WLineEdit(this);
textArea_ = new WTextArea(this);
textArea_->setAttributeValue("spellcheck", "false");
textArea_->setInline(false);
textArea_->setColumns(80);
textArea_->resize(WLength::Auto, 300);
}
WString name() { return nameEdit_->text(); }
WString text() {
std::wstring t = textArea_->text();
if (textArea_->hasFocus()) {
if (textArea_->hasSelectedText()) {
int i = textArea_->selectionStart();
int j = ((std::wstring) textArea_->selectedText()).length();
t = escape(t.substr(0, i)) + L"<span class=\"sel\">"
+ escape(t.substr(i, j)) + L"</span>"
+ escape(t.substr(i + j));
} else {
int i = textArea_->cursorPosition();
if (i >= 0) {
std::wstring s;
s = escape(t.substr(0, i)) + L"<span class=\"pos\">";
if (i + 1 < (int)t.length()) {
if (t[i] == '\n')
s += L' ';
s += escape(t.substr(i, 1)) + L"</span>";
s += escape(t.substr(i + 1));
} else
s += L" </span>";
t = s;
}
}
} else
t = escape(t);
return t;
}
WTextArea *textArea() { return textArea_; }
private:
WLineEdit *nameEdit_;
WTextArea *textArea_;
std::wstring escape(const std::wstring& s) {
return (std::wstring) escapeText(WString(s));
}
};
CoderWidget::CoderWidget()
{
WApplication::instance()->enableUpdates(true);
session_ = new CodeSession(boost::bind(&CoderWidget::sessionChanged, this));
WApplication::instance()->setInternalPath("/" + session_->id());
WPushButton *addBuffer = new WPushButton("Add file", this);
observerCount_ = new WText("Observers: 0", this);
addBuffer->clicked().connect(this, &CoderWidget::addBuffer);
buffers_ = new WContainerWidget(this);
insertBuffer(0);
}
CoderWidget::~CoderWidget()
{
session_->removeCoder();
WApplication::instance()->enableUpdates(false);
}
void CoderWidget::addBuffer()
{
insertBuffer(buffers_->count());
}
void CoderWidget::insertBuffer(int index)
{
session_->insertBuffer(index);
BufferEditorWidget *editor = new BufferEditorWidget();
editor->keyWentUp().connect(boost::bind(&CoderWidget::changed, this, editor));
editor->clicked().connect(boost::bind(&CoderWidget::changed, this, editor));
editor->textArea()->blurred()
.connect(boost::bind(&CoderWidget::changed, this, editor));
buffers_->insertWidget(index, editor);
}
void CoderWidget::changed(BufferEditorWidget *editor)
{
session_->updateBuffer(buffers_->indexOf(editor), editor->name(),
editor->text());
}
void CoderWidget::sessionChanged()
{
observerCount_->setText(WString("Observers: {1}")
.arg(session_->observerCount()));
WApplication::instance()->triggerUpdate();
}
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