Initial commit.

src/widgets/lineedit.h

@@ -0,0 +1,178 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#ifndef LINEEDIT_H
+#define LINEEDIT_H
+
+#include "config.h"
+
+#include <QLineEdit>
+#include <QPlainTextEdit>
+#include <QSpinBox>
+
+#include "core/iconloader.h"
+
+class QToolButton;
+
+class LineEditInterface {
+public:
+  LineEditInterface(QWidget *widget) : widget_(widget) {}
+
+  QWidget *widget() const { return widget_; }
+
+  virtual ~LineEditInterface() {}
+
+  virtual void clear() { set_text(QString()); }
+  virtual void set_focus() = 0;
+  virtual QString text() const = 0;
+  virtual void set_text(const QString& text) = 0;
+
+  virtual QString hint() const = 0;
+  virtual void set_hint(const QString& hint) = 0;
+  virtual void clear_hint() = 0;
+
+  virtual void set_enabled(bool enabled) = 0;
+
+protected:
+  QWidget *widget_;
+};
+
+class ExtendedEditor : public LineEditInterface {
+public:
+  ExtendedEditor(QWidget *widget, int extra_right_padding = 0, bool draw_hint = true);
+  virtual ~ExtendedEditor() {}
+
+  virtual bool is_empty() const { return text().isEmpty(); }
+
+  QString hint() const { return hint_; }
+  void set_hint(const QString& hint);
+  void clear_hint() { set_hint(QString()); }
+
+  bool has_clear_button() const { return has_clear_button_; }
+  void set_clear_button(bool visible);
+
+  bool has_reset_button() const;
+  void set_reset_button(bool visible);
+
+  qreal font_point_size() const { return font_point_size_; }
+  void set_font_point_size(qreal size) { font_point_size_ = size; }
+
+protected:
+  void Paint(QPaintDevice *device);
+  void Resize();
+
+private:
+  void UpdateButtonGeometry();
+
+protected:
+  QString hint_;
+
+  bool has_clear_button_;
+  QToolButton *clear_button_;
+  QToolButton *reset_button_;
+
+  int extra_right_padding_;
+  bool draw_hint_;
+  qreal font_point_size_;
+  bool is_rtl_;
+};
+
+class LineEdit : public QLineEdit, public ExtendedEditor {
+  Q_OBJECT
+  Q_PROPERTY(QString hint READ hint WRITE set_hint);
+  Q_PROPERTY(qreal font_point_size READ font_point_size WRITE set_font_point_size);
+  Q_PROPERTY(bool has_clear_button READ has_clear_button WRITE set_clear_button);
+  Q_PROPERTY(bool has_reset_button READ has_reset_button WRITE set_reset_button);
+
+ public:
+  LineEdit(QWidget *parent = nullptr);
+
+  // ExtendedEditor
+  void set_focus() { QLineEdit::setFocus(); }
+  QString text() const { return QLineEdit::text(); }
+  void set_text(const QString& text) { QLineEdit::setText(text); }
+  void set_enabled(bool enabled) { QLineEdit::setEnabled(enabled); }
+
+protected:
+  void paintEvent(QPaintEvent*);
+  void resizeEvent(QResizeEvent*);
+
+ private:
+  bool is_rtl() const { return is_rtl_; }
+  void set_rtl(bool rtl) { is_rtl_ = rtl; }
+
+ private slots:
+  void text_changed(const QString& text);
+
+signals:
+  void Reset();
+};
+
+class TextEdit : public QPlainTextEdit, public ExtendedEditor {
+  Q_OBJECT
+  Q_PROPERTY(QString hint READ hint WRITE set_hint);
+  Q_PROPERTY(bool has_clear_button READ has_clear_button WRITE set_clear_button);
+  Q_PROPERTY(bool has_reset_button READ has_reset_button WRITE set_reset_button);
+
+ public:
+  TextEdit(QWidget *parent = nullptr);
+
+  // ExtendedEditor
+  void set_focus() { QPlainTextEdit::setFocus(); }
+  QString text() const { return QPlainTextEdit::toPlainText(); }
+  void set_text(const QString& text) { QPlainTextEdit::setPlainText(text); }
+  void set_enabled(bool enabled) { QPlainTextEdit::setEnabled(enabled); }
+
+protected:
+  void paintEvent(QPaintEvent*);
+  void resizeEvent(QResizeEvent*);
+
+signals:
+  void Reset();
+};
+
+class SpinBox : public QSpinBox, public ExtendedEditor {
+  Q_OBJECT
+  Q_PROPERTY(QString hint READ hint WRITE set_hint);
+  Q_PROPERTY(bool has_clear_button READ has_clear_button WRITE set_clear_button);
+  Q_PROPERTY(bool has_reset_button READ has_reset_button WRITE set_reset_button);
+
+ public:
+  SpinBox(QWidget *parent = nullptr);
+
+  // QSpinBox
+  QString textFromValue(int val) const;
+
+  // ExtendedEditor
+  bool is_empty() const { return text().isEmpty() || text() == "0"; }
+  void set_focus() { QSpinBox::setFocus(); }
+  QString text() const { return QSpinBox::text(); }
+  void set_text(const QString& text) { QSpinBox::setValue(text.toInt()); }
+  void set_enabled(bool enabled) { QSpinBox::setEnabled(enabled); }
+
+protected:
+  void paintEvent(QPaintEvent*);
+  void resizeEvent(QResizeEvent*);
+
+signals:
+  void Reset();
+};
+
+#endif  // LINEEDIT_H