refacto: factorize multiple code parts from guiEditbox childs (#10782)

src/gui/guiEditBox.h

@@ -0,0 +1,103 @@
+/*
+Minetest
+Copyright (C) 2021 Minetest
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include "IGUIEditBox.h"
+#include "IOSOperator.h"
+#include "guiScrollBar.h"
+
+using namespace irr;
+using namespace irr::gui;
+
+class GUIEditBox : public IGUIEditBox
+{
+public:
+	GUIEditBox(IGUIEnvironment *environment, IGUIElement *parent, s32 id,
+			core::rect<s32> rectangle) :
+			IGUIEditBox(environment, parent, id, rectangle)
+	{
+	}
+
+	virtual ~GUIEditBox();
+
+	//! Sets another skin independent font.
+	virtual void setOverrideFont(IGUIFont *font = 0);
+
+	virtual IGUIFont *getOverrideFont() const { return m_override_font; }
+
+	//! Get the font which is used right now for drawing
+	/** Currently this is the override font when one is set and the
+	font of the active skin otherwise */
+	virtual IGUIFont *getActiveFont() const;
+
+	//! Sets another color for the text.
+	virtual void setOverrideColor(video::SColor color);
+
+	//! Gets the override color
+	virtual video::SColor getOverrideColor() const;
+
+	//! Sets if the text should use the overide color or the
+	//! color in the gui skin.
+	virtual void enableOverrideColor(bool enable);
+
+	//! Checks if an override color is enabled
+	/** \return true if the override color is enabled, false otherwise */
+	virtual bool isOverrideColorEnabled(void) const
+	{
+		return m_override_color_enabled;
+	}
+
+	//! Enables or disables word wrap for using the edit box as multiline text editor.
+	virtual void setWordWrap(bool enable);
+
+	//! Checks if word wrap is enabled
+	//! \return true if word wrap is enabled, false otherwise
+	virtual bool isWordWrapEnabled() const { return m_word_wrap; }
+
+	//! Enables or disables newlines.
+	/** \param enable: If set to true, the EGET_EDITBOX_ENTER event will not be fired,
+	instead a newline character will be inserted. */
+	virtual void setMultiLine(bool enable);
+
+	//! Checks if multi line editing is enabled
+	//! \return true if mult-line is enabled, false otherwise
+	virtual bool isMultiLineEnabled() const { return m_multiline; }
+
+	//! Enables or disables automatic scrolling with cursor position
+	//! \param enable: If set to true, the text will move around with the cursor
+	//! position
+	virtual void setAutoScroll(bool enable);
+
+	//! Checks to see if automatic scrolling is enabled
+	//! \return true if automatic scrolling is enabled, false if not
+	virtual bool isAutoScrollEnabled() const { return m_autoscroll; }
+
+protected:
+	virtual void breakText() = 0;
+
+	gui::IGUIFont *m_override_font = nullptr;
+
+	bool m_override_color_enabled = false;
+	bool m_word_wrap = false;
+	bool m_multiline = false;
+	bool m_autoscroll = true;
+
+	video::SColor m_override_color = video::SColor(101, 255, 255, 255);
+};