Spreadsheet: Add (limited) support for custom cell formatting

Applications/Spreadsheet/CellTypeDialog.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "CellType/Type.h"
+#include "Forward.h"
+#include <LibGUI/Dialog.h>
+
+namespace Spreadsheet {
+
+class CellTypeDialog : public GUI::Dialog {
+    C_OBJECT(CellTypeDialog);
+
+public:
+    CellTypeMetadata metadata() const;
+    const CellType* type() const { return m_type; }
+
+    enum class HorizontalAlignment : int {
+        Left = 0,
+        Center,
+        Right,
+    };
+    enum class VerticalAlignment : int {
+        Top = 0,
+        Center,
+        Bottom,
+    };
+
+private:
+    CellTypeDialog(const Vector<Position>&, Sheet&, GUI::Window* parent = nullptr);
+    void setup_tabs(GUI::TabWidget&, const Vector<Position>&, Sheet&);
+
+    const CellType* m_type { nullptr };
+
+    int m_length { -1 };
+    String m_format;
+    HorizontalAlignment m_horizontal_alignment { HorizontalAlignment::Right };
+    VerticalAlignment m_vertical_alignment { VerticalAlignment::Center };
+};
+
+}