Implement find dialog

This dialog consolidates options for searching through textual elements
in lists which simplifies the logic present in the MainWindow class.

1 files changed, 49 insertions, 0 deletions

diff --git a/src/finddialog.h b/src/finddialog.h
new file mode 100644
index 0000000..c6907f8
--- /dev/null
+++ b/src/finddialog.h
@@ -0,0 +1,49 @@
+#pragma once
+#include <QDialog>
+#include <QListWidget>
+#include "./ui_finddialog.h"
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class FindDialog; }
+QT_END_NAMESPACE
+
+class FindDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    FindDialog(QWidget *parent = nullptr);
+    ~FindDialog();
+
+public slots:
+    void set_search_text(const QString &text);
+    void set_qlist_widget(QListWidget* widget);
+    inline void run_search();
+
+signals:
+    void item_selected(QListWidgetItem* item);
+    void search_text_changed(const QString &text);
+
+private slots:
+    void on_textInputSearch_textEdited(const QString &text);
+    void on_buttonSearchPrev_clicked();
+    void on_buttonSearchNext_clicked();
+    void on_hSlider_valueChanged(int value);
+    void on_spinBox_valueChanged(int value);
+
+private:
+    Ui::FindDialog* ui;
+
+    QListWidget* list_widget = nullptr;
+    QString* last_search = new QString;
+    QList<QListWidgetItem*> matches;
+    int selected_match = 0;
+    int total_matches = 0;
+
+    // This is used with the spin box to avoid having repeated value changes due to the on_spinBox_valueChanged slot
+    bool value_changed_processed = false;
+
+    void init_search();
+    void update_status();
+    void select_match();
+    bool has_search_changed();
+};