Squashed 'qhexedit2/' content from commit 7f22526

git-subtree-dir: qhexedit2
git-subtree-split: 7f22526a86685aec1c5722154b8a7422d5037b77

1 files changed, 115 insertions, 0 deletions

diff --git a/example/searchdialog.cpp b/example/searchdialog.cpp
new file mode 100644
index 0000000..7b9d9e7
--- /dev/null
+++ b/example/searchdialog.cpp
@@ -0,0 +1,115 @@
+#include "searchdialog.h"
+#include "ui_searchdialog.h"
+
+#include <QMessageBox>
+
+SearchDialog::SearchDialog(QHexEdit *hexEdit, QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::SearchDialog)
+{
+  ui->setupUi(this);
+  _hexEdit = hexEdit;
+}
+
+SearchDialog::~SearchDialog()
+{
+  delete ui;
+}
+
+qint64 SearchDialog::findNext()
+{
+    qint64 from = _hexEdit->cursorPosition() / 2;
+    _findBa = getContent(ui->cbFindFormat->currentIndex(), ui->cbFind->currentText());
+    qint64 idx = -1;
+
+    if (_findBa.length() > 0)
+    {
+        if (ui->cbBackwards->isChecked())
+            idx = _hexEdit->lastIndexOf(_findBa, from);
+        else
+            idx = _hexEdit->indexOf(_findBa, from);
+    }
+    return idx;
+}
+
+void SearchDialog::on_pbFind_clicked()
+{
+    findNext();
+}
+
+void SearchDialog::on_pbReplace_clicked()
+{
+    int idx = findNext();
+    if (idx >= 0)
+    {
+        QByteArray replaceBa = getContent(ui->cbReplaceFormat->currentIndex(), ui->cbReplace->currentText());
+        replaceOccurrence(idx, replaceBa);
+    }
+}
+
+void SearchDialog::on_pbReplaceAll_clicked()
+{
+    int replaceCounter = 0;
+    int idx = 0;
+    int goOn = QMessageBox::Yes;
+
+    while ((idx >= 0) && (goOn == QMessageBox::Yes))
+    {
+        idx = findNext();
+        if (idx >= 0)
+        {
+            QByteArray replaceBa = getContent(ui->cbReplaceFormat->currentIndex(), ui->cbReplace->currentText());
+            int result = replaceOccurrence(idx, replaceBa);
+
+            if (result == QMessageBox::Yes)
+                replaceCounter += 1;
+
+            if (result == QMessageBox::Cancel)
+                goOn = result;
+        }
+    }
+
+    if (replaceCounter > 0)
+        QMessageBox::information(this, tr("QHexEdit"), QString(tr("%1 occurrences replaced.")).arg(replaceCounter));
+}
+
+
+QByteArray SearchDialog::getContent(int comboIndex, const QString &input)
+{
+    QByteArray findBa;
+    switch (comboIndex)
+    {
+        case 0:     // hex
+            findBa = QByteArray::fromHex(input.toLatin1());
+            break;
+        case 1:     // text
+            findBa = input.toUtf8();
+            break;
+    }
+    return findBa;
+}
+
+qint64 SearchDialog::replaceOccurrence(qint64 idx, const QByteArray &replaceBa)
+{
+    int result = QMessageBox::Yes;
+    if (replaceBa.length() >= 0)
+    {
+        if (ui->cbPrompt->isChecked())
+        {
+            result = QMessageBox::question(this, tr("QHexEdit"),
+                     tr("Replace occurrence?"),
+                     QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
+
+            if (result == QMessageBox::Yes)
+            {
+                _hexEdit->replace(idx, replaceBa.length(), replaceBa);
+                _hexEdit->update();
+            }
+        }
+        else
+        {
+            _hexEdit->replace(idx, _findBa.length(), replaceBa);
+        }
+    }
+    return result;
+}