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116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
#include "find_dialog.h"
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#include <QVBoxLayout>
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find_dialog::find_dialog(QTextEdit* edit, QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f), m_text_edit(edit)
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{
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setWindowTitle(tr("Find string"));
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m_find_bar = new QLineEdit();
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m_find_bar->setPlaceholderText(tr("Search..."));
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m_label_count_lines = new QLabel(tr("Counted in lines: -"));
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m_label_count_total = new QLabel(tr("Counted in total: -"));
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m_find_first = new QPushButton(tr("First"));
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m_find_last = new QPushButton(tr("Last"));
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m_find_next = new QPushButton(tr("Next"));
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m_find_previous = new QPushButton(tr("Previous"));
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QHBoxLayout* count_layout = new QHBoxLayout();
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count_layout->addWidget(m_label_count_lines);
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count_layout->addWidget(m_label_count_total);
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QHBoxLayout* button_layout = new QHBoxLayout();
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button_layout->addWidget(m_find_first);
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button_layout->addWidget(m_find_last);
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button_layout->addWidget(m_find_previous);
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button_layout->addWidget(m_find_next);
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QVBoxLayout* layout = new QVBoxLayout();
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layout->addWidget(m_find_bar);
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layout->addLayout(count_layout);
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layout->addLayout(button_layout);
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setLayout(layout);
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connect(m_find_first, &QPushButton::clicked, this, &find_dialog::find_first);
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connect(m_find_last, &QPushButton::clicked, this, &find_dialog::find_last);
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connect(m_find_next, &QPushButton::clicked, this, &find_dialog::find_next);
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connect(m_find_previous, &QPushButton::clicked, this, &find_dialog::find_previous);
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show();
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}
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int find_dialog::count_all()
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{
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m_count_lines = 0;
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m_count_total = 0;
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if (!m_text_edit || m_find_bar->text().isEmpty())
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{
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show_count();
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return 0;
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}
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QTextCursor old_cursor = m_text_edit->textCursor();
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m_text_edit->moveCursor(QTextCursor::Start);
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int old_line_index = -1;
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int new_line_index = 0;
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while (m_text_edit->find(m_find_bar->text()))
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{
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m_count_total++;
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new_line_index = m_text_edit->textCursor().blockNumber();
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if (new_line_index != old_line_index)
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{
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m_count_lines++;
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old_line_index = new_line_index;
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}
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}
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m_text_edit->setTextCursor(old_cursor);
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show_count();
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return m_count_total;
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}
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void find_dialog::find_first()
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{
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if (count_all() <= 0)
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return;
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m_text_edit->moveCursor(QTextCursor::Start);
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m_text_edit->find(m_find_bar->text());
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}
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void find_dialog::find_last()
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{
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if (count_all() <= 0)
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return;
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m_text_edit->moveCursor(QTextCursor::End);
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m_text_edit->find(m_find_bar->text(), QTextDocument::FindBackward);
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}
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void find_dialog::find_next()
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{
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if (count_all() <= 0)
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return;
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m_text_edit->find(m_find_bar->text());
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}
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void find_dialog::find_previous()
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{
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if (count_all() <= 0)
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return;
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m_text_edit->find(m_find_bar->text(), QTextDocument::FindBackward);
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}
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void find_dialog::show_count()
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{
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m_label_count_lines->setText(tr("Counted in lines: %0").arg(m_count_lines));
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m_label_count_total->setText(tr("Counted in total: %0").arg(m_count_total));
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}
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