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

7 files changed, 266 insertions, 391 deletions

diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 5305e7ad3..fdd36914a 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -7,6 +7,7 @@ set(gui_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/guiButtonItemImage.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/guiChatConsole.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/guiConfirmRegistration.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/guiEditBox.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/guiEditBoxWithScrollbar.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/guiEngine.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/guiFormSpecMenu.cpp
diff --git a/src/gui/guiEditBox.cpp b/src/gui/guiEditBox.cpp
new file mode 100644
index 000000000..159bd38ac
--- /dev/null
+++ b/src/gui/guiEditBox.cpp
@@ -0,0 +1,95 @@
+/*
+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.
+*/
+
+#include "guiEditBox.h"
+
+#include "IGUISkin.h"
+#include "IGUIEnvironment.h"
+#include "IGUIFont.h"
+
+GUIEditBox::~GUIEditBox()
+{
+	if (m_override_font)
+		m_override_font->drop();
+}
+
+void GUIEditBox::setOverrideFont(IGUIFont *font)
+{
+	if (m_override_font == font)
+		return;
+
+	if (m_override_font)
+		m_override_font->drop();
+
+	m_override_font = font;
+
+	if (m_override_font)
+		m_override_font->grab();
+
+	breakText();
+}
+
+//! Get the font which is used right now for drawing
+IGUIFont *GUIEditBox::getActiveFont() const
+{
+	if (m_override_font)
+		return m_override_font;
+	IGUISkin *skin = Environment->getSkin();
+	if (skin)
+		return skin->getFont();
+	return 0;
+}
+
+//! Sets another color for the text.
+void GUIEditBox::setOverrideColor(video::SColor color)
+{
+	m_override_color = color;
+	m_override_color_enabled = true;
+}
+
+video::SColor GUIEditBox::getOverrideColor() const
+{
+	return m_override_color;
+}
+
+//! Sets if the text should use the overide color or the color in the gui skin.
+void GUIEditBox::enableOverrideColor(bool enable)
+{
+	m_override_color_enabled = enable;
+}
+
+//! Enables or disables word wrap
+void GUIEditBox::setWordWrap(bool enable)
+{
+	m_word_wrap = enable;
+	breakText();
+}
+
+//! Enables or disables newlines.
+void GUIEditBox::setMultiLine(bool enable)
+{
+	m_multiline = enable;
+}
+
+//! Enables or disables automatic scrolling with cursor position
+//! \param enable: If set to true, the text will move around with the cursor position
+void GUIEditBox::setAutoScroll(bool enable)
+{
+	m_autoscroll = enable;
+}
diff --git a/src/gui/guiEditBox.h b/src/gui/guiEditBox.h
new file mode 100644
index 000000000..c673f2f5f
--- /dev/null
+++ b/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);
+};
\ No newline at end of file
diff --git a/src/gui/guiEditBoxWithScrollbar.cpp b/src/gui/guiEditBoxWithScrollbar.cpp
index 169425a9a..7f9fdafd7 100644
--- a/src/gui/guiEditBoxWithScrollbar.cpp
+++ b/src/gui/guiEditBoxWithScrollbar.cpp
@@ -22,16 +22,14 @@ optional? dragging selected text
 numerical
 */
 
-
 //! constructor
 GUIEditBoxWithScrollBar::GUIEditBoxWithScrollBar(const wchar_t* text, bool border,
 	IGUIEnvironment* environment, IGUIElement* parent, s32 id,
 	const core::rect<s32>& rectangle, bool writable, bool has_vscrollbar)
-	: IGUIEditBox(environment, parent, id, rectangle), m_mouse_marking(false),
-	m_border(border), m_background(true), m_override_color_enabled(false), m_mark_begin(0), m_mark_end(0),
-	m_override_color(video::SColor(101, 255, 255, 255)), m_override_font(0), m_last_break_font(0),
+	: GUIEditBox(environment, parent, id, rectangle), m_mouse_marking(false),
+	m_border(border), m_background(true), m_mark_begin(0), m_mark_end(0), m_last_break_font(0),
 	m_operator(0), m_blink_start_time(0), m_cursor_pos(0), m_hscroll_pos(0), m_vscroll_pos(0), m_max(0),
-	m_word_wrap(false), m_multiline(false), m_autoscroll(true), m_passwordbox(false),
+	m_passwordbox(false),
 	m_passwordchar(L'*'), m_halign(EGUIA_UPPERLEFT), m_valign(EGUIA_CENTER),
 	m_current_text_rect(0, 0, 1, 1), m_frame_rect(rectangle),
 	m_scrollbar_width(0), m_vscrollbar(NULL), m_writable(writable),
@@ -69,9 +67,6 @@ GUIEditBoxWithScrollBar::GUIEditBoxWithScrollBar(const wchar_t* text, bool borde
 //! destructor
 GUIEditBoxWithScrollBar::~GUIEditBoxWithScrollBar()
 {
-	if (m_override_font)
-		m_override_font->drop();
-
 	if (m_operator)
 		m_operator->drop();
 
@@ -80,54 +75,6 @@ GUIEditBoxWithScrollBar::~GUIEditBoxWithScrollBar()
 }
 
 
-//! Sets another skin independent font.
-void GUIEditBoxWithScrollBar::setOverrideFont(IGUIFont* font)
-{
-	if (m_override_font == font)
-		return;
-
-	if (m_override_font)
-		m_override_font->drop();
-
-	m_override_font = font;
-
-	if (m_override_font)
-		m_override_font->grab();
-
-	breakText();
-}
-
-//! Gets the override font (if any)
-IGUIFont * GUIEditBoxWithScrollBar::getOverrideFont() const
-{
-	return m_override_font;
-}
-
-//! Get the font which is used right now for drawing
-IGUIFont* GUIEditBoxWithScrollBar::getActiveFont() const
-{
-	if (m_override_font)
-		return m_override_font;
-	IGUISkin* skin = Environment->getSkin();
-	if (skin)
-		return skin->getFont();
-	return 0;
-}
-
-//! Sets another color for the text.
-void GUIEditBoxWithScrollBar::setOverrideColor(video::SColor color)
-{
-	m_override_color = color;
-	m_override_color_enabled = true;
-}
-
-
-video::SColor GUIEditBoxWithScrollBar::getOverrideColor() const
-{
-	return m_override_color;
-}
-
-
 //! Turns the border on or off
 void GUIEditBoxWithScrollBar::setDrawBorder(bool border)
 {
@@ -140,24 +87,6 @@ void GUIEditBoxWithScrollBar::setDrawBackground(bool draw)
 	m_background = draw;
 }
 
-//! Sets if the text should use the overide color or the color in the gui skin.
-void GUIEditBoxWithScrollBar::enableOverrideColor(bool enable)
-{
-	m_override_color_enabled = enable;
-}
-
-bool GUIEditBoxWithScrollBar::isOverrideColorEnabled() const
-{
-	return m_override_color_enabled;
-}
-
-//! Enables or disables word wrap
-void GUIEditBoxWithScrollBar::setWordWrap(bool enable)
-{
-	m_word_wrap = enable;
-	breakText();
-}
-
 
 void GUIEditBoxWithScrollBar::updateAbsolutePosition()
 {
@@ -170,26 +99,6 @@ void GUIEditBoxWithScrollBar::updateAbsolutePosition()
 	}
 }
 
-//! Checks if word wrap is enabled
-bool GUIEditBoxWithScrollBar::isWordWrapEnabled() const
-{
-	return m_word_wrap;
-}
-
-
-//! Enables or disables newlines.
-void GUIEditBoxWithScrollBar::setMultiLine(bool enable)
-{
-	m_multiline = enable;
-}
-
-
-//! Checks if multi line editing is enabled
-bool GUIEditBoxWithScrollBar::isMultiLineEnabled() const
-{
-	return m_multiline;
-}
-
 
 void GUIEditBoxWithScrollBar::setPasswordBox(bool password_box, wchar_t password_char)
 {
@@ -850,22 +759,6 @@ void GUIEditBoxWithScrollBar::setText(const wchar_t* text)
 }
 
 
-//! Enables or disables automatic scrolling with cursor position
-//! \param enable: If set to true, the text will move around with the cursor position
-void GUIEditBoxWithScrollBar::setAutoScroll(bool enable)
-{
-	m_autoscroll = enable;
-}
-
-
-//! Checks to see if automatic scrolling is enabled
-//! \return true if automatic scrolling is enabled, false if not
-bool GUIEditBoxWithScrollBar::isAutoScrollEnabled() const
-{
-	return m_autoscroll;
-}
-
-
 //! Gets the area of the text in the edit box
 //! \return Returns the size in pixels of the text
 core::dimension2du GUIEditBoxWithScrollBar::getTextDimension()
diff --git a/src/gui/guiEditBoxWithScrollbar.h b/src/gui/guiEditBoxWithScrollbar.h
index 77538e2f7..5ae58b934 100644
--- a/src/gui/guiEditBoxWithScrollbar.h
+++ b/src/gui/guiEditBoxWithScrollbar.h
@@ -5,15 +5,10 @@
 #ifndef GUIEDITBOXWITHSCROLLBAR_HEADER
 #define GUIEDITBOXWITHSCROLLBAR_HEADER
 
-#include "IGUIEditBox.h"
-#include "IOSOperator.h"
-#include "guiScrollBar.h"
+#include "guiEditBox.h"
 #include <vector>
 
-using namespace irr;
-using namespace irr::gui;
-
-class GUIEditBoxWithScrollBar : public IGUIEditBox
+class GUIEditBoxWithScrollBar : public GUIEditBox
 {
 public:
 
@@ -25,61 +20,13 @@ public:
 	//! destructor
 	virtual ~GUIEditBoxWithScrollBar();
 
-	//! Sets another skin independent font.
-	virtual void setOverrideFont(IGUIFont* font = 0);
-
-	//! Gets the override font (if any)
-	/** \return The override font (may be 0) */
-	virtual IGUIFont* getOverrideFont() const;
-
-	//! 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;
-
 	//! Sets whether to draw the background
 	virtual void setDrawBackground(bool draw);
 
 	//! Turns the border on or off
 	virtual void setDrawBorder(bool border);
 
-	//! 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;
-
-	//! 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;
-
-	//! 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;
 
 	//! Gets the size area of the text in the edit box
 	//! \return Returns the size in pixels of the text
@@ -137,7 +84,7 @@ public:
 
 protected:
 	//! Breaks the single text line.
-	void breakText();
+	virtual void breakText();
 	//! sets the area of the given line
 	void setTextRect(s32 line);
 	//! returns the line number that the cursor is on
@@ -164,12 +111,11 @@ protected:
 	bool m_mouse_marking;
 	bool m_border;
 	bool m_background;
-	bool m_override_color_enabled;
+
 	s32 m_mark_begin;
 	s32 m_mark_end;
 
-	video::SColor m_override_color;
-	gui::IGUIFont *m_override_font, *m_last_break_font;
+	gui::IGUIFont *m_last_break_font;
 	IOSOperator* m_operator;
 
 	u32 m_blink_start_time;
@@ -177,7 +123,7 @@ protected:
 	s32 m_hscroll_pos, m_vscroll_pos; // scroll position in characters
 	u32 m_max;
 
-	bool m_word_wrap, m_multiline, m_autoscroll, m_passwordbox;
+	bool m_passwordbox;
 	wchar_t m_passwordchar;
 	EGUI_ALIGNMENT m_halign, m_valign;
 
diff --git a/src/gui/intlGUIEditBox.cpp b/src/gui/intlGUIEditBox.cpp
index 8be63fd6f..e917f73c1 100644
--- a/src/gui/intlGUIEditBox.cpp
+++ b/src/gui/intlGUIEditBox.cpp
@@ -59,7 +59,7 @@ namespace gui
 intlGUIEditBox::intlGUIEditBox(const wchar_t* text, bool border,
 		IGUIEnvironment* environment, IGUIElement* parent, s32 id,
 		const core::rect<s32>& rectangle, bool writable, bool has_vscrollbar)
-	: IGUIEditBox(environment, parent, id, rectangle),
+	: GUIEditBox(environment, parent, id, rectangle),
 	Border(border), FrameRect(rectangle),
 	m_scrollbar_width(0), m_vscrollbar(NULL), m_writable(writable)
 {
@@ -108,9 +108,6 @@ intlGUIEditBox::intlGUIEditBox(const wchar_t* text, bool border,
 //! destructor
 intlGUIEditBox::~intlGUIEditBox()
 {
-	if (OverrideFont)
-		OverrideFont->drop();
-
 	if (Operator)
 		Operator->drop();
 
@@ -118,52 +115,6 @@ intlGUIEditBox::~intlGUIEditBox()
 		m_vscrollbar->drop();
 }
 
-
-//! Sets another skin independent font.
-void intlGUIEditBox::setOverrideFont(IGUIFont* font)
-{
-	if (OverrideFont == font)
-		return;
-
-	if (OverrideFont)
-		OverrideFont->drop();
-
-	OverrideFont = font;
-
-	if (OverrideFont)
-		OverrideFont->grab();
-
-	breakText();
-}
-
-IGUIFont * intlGUIEditBox::getOverrideFont() const
-{
-	return OverrideFont;
-}
-
-//! Get the font which is used right now for drawing
-IGUIFont* intlGUIEditBox::getActiveFont() const
-{
-	if ( OverrideFont )
-		return OverrideFont;
-	IGUISkin* skin = Environment->getSkin();
-	if (skin)
-		return skin->getFont();
-	return 0;
-}
-
-//! Sets another color for the text.
-void intlGUIEditBox::setOverrideColor(video::SColor color)
-{
-	OverrideColor = color;
-	OverrideColorEnabled = true;
-}
-
-video::SColor intlGUIEditBox::getOverrideColor() const
-{
-	return OverrideColor;
-}
-
 //! Turns the border on or off
 void intlGUIEditBox::setDrawBorder(bool border)
 {
@@ -175,25 +126,6 @@ void intlGUIEditBox::setDrawBackground(bool draw)
 {
 }
 
-//! Sets if the text should use the overide color or the color in the gui skin.
-void intlGUIEditBox::enableOverrideColor(bool enable)
-{
-	OverrideColorEnabled = enable;
-}
-
-bool intlGUIEditBox::isOverrideColorEnabled() const
-{
-	return OverrideColorEnabled;
-}
-
-//! Enables or disables word wrap
-void intlGUIEditBox::setWordWrap(bool enable)
-{
-	WordWrap = enable;
-	breakText();
-}
-
-
 void intlGUIEditBox::updateAbsolutePosition()
 {
     core::rect<s32> oldAbsoluteRect(AbsoluteRect);
@@ -204,28 +136,6 @@ void intlGUIEditBox::updateAbsolutePosition()
 	}
 }
 
-
-//! Checks if word wrap is enabled
-bool intlGUIEditBox::isWordWrapEnabled() const
-{
-	return WordWrap;
-}
-
-
-//! Enables or disables newlines.
-void intlGUIEditBox::setMultiLine(bool enable)
-{
-	MultiLine = enable;
-}
-
-
-//! Checks if multi line editing is enabled
-bool intlGUIEditBox::isMultiLineEnabled() const
-{
-	return MultiLine;
-}
-
-
 void intlGUIEditBox::setPasswordBox(bool passwordBox, wchar_t passwordChar)
 {
 	PasswordBox = passwordBox;
@@ -464,7 +374,7 @@ bool intlGUIEditBox::processKey(const SEvent& event)
 	case KEY_END:
 		{
 			s32 p = Text.size();
-			if (WordWrap || MultiLine)
+			if (m_word_wrap || m_multiline)
 			{
 				p = getLineFromPos(CursorPos);
 				p = BrokenTextPositions[p] + (s32)BrokenText[p].size();
@@ -492,7 +402,7 @@ bool intlGUIEditBox::processKey(const SEvent& event)
 		{
 
 			s32 p = 0;
-			if (WordWrap || MultiLine)
+			if (m_word_wrap || m_multiline)
 			{
 				p = getLineFromPos(CursorPos);
 				p = BrokenTextPositions[p];
@@ -514,7 +424,7 @@ bool intlGUIEditBox::processKey(const SEvent& event)
 		}
 		break;
 	case KEY_RETURN:
-		if (MultiLine)
+		if (m_multiline)
 		{
 			inputChar(L'\n');
 			return true;
@@ -567,7 +477,7 @@ bool intlGUIEditBox::processKey(const SEvent& event)
 		BlinkStartTime = porting::getTimeMs();
 		break;
 	case KEY_UP:
-		if (MultiLine || (WordWrap && BrokenText.size() > 1) )
+		if (m_multiline || (m_word_wrap && BrokenText.size() > 1) )
 		{
 			s32 lineNo = getLineFromPos(CursorPos);
 			s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin > MarkEnd ? MarkBegin : MarkEnd);
@@ -598,7 +508,7 @@ bool intlGUIEditBox::processKey(const SEvent& event)
 		}
 		break;
 	case KEY_DOWN:
-		if (MultiLine || (WordWrap && BrokenText.size() > 1) )
+		if (m_multiline || (m_word_wrap && BrokenText.size() > 1) )
 		{
 			s32 lineNo = getLineFromPos(CursorPos);
 			s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin < MarkEnd ? MarkBegin : MarkEnd);
@@ -791,8 +701,8 @@ void intlGUIEditBox::draw()
 
 	// draw the text
 
-	IGUIFont* font = OverrideFont;
-	if (!OverrideFont)
+	IGUIFont* font = m_override_font;
+	if (!m_override_font)
 		font = skin->getFont();
 
 	s32 cursorLine = 0;
@@ -813,7 +723,7 @@ void intlGUIEditBox::draw()
 		core::stringw s, s2;
 
 		// get mark position
-		const bool ml = (!PasswordBox && (WordWrap || MultiLine));
+		const bool ml = (!PasswordBox && (m_word_wrap || m_multiline));
 		const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
 		const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
 		const s32 hlineStart = ml ? getLineFromPos(realmbgn) : 0;
@@ -822,14 +732,14 @@ void intlGUIEditBox::draw()
 
 		// Save the override color information.
 		// Then, alter it if the edit box is disabled.
-		const bool prevOver = OverrideColorEnabled;
-		const video::SColor prevColor = OverrideColor;
+		const bool prevOver = m_override_color_enabled;
+		const video::SColor prevColor = m_override_color;
 
 		if (!Text.empty()) {
-			if (!IsEnabled && !OverrideColorEnabled)
+			if (!IsEnabled && !m_override_color_enabled)
 			{
-				OverrideColorEnabled = true;
-				OverrideColor = skin->getColor(EGDC_GRAY_TEXT);
+				m_override_color_enabled = true;
+				m_override_color = skin->getColor(EGDC_GRAY_TEXT);
 			}
 
 			for (s32 i=0; i < lineCount; ++i)
@@ -870,7 +780,7 @@ void intlGUIEditBox::draw()
 
 				// draw normal text
 				font->draw(txtLine->c_str(), CurrentTextRect,
-					OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_BUTTON_TEXT),
+					m_override_color_enabled ? m_override_color : skin->getColor(EGDC_BUTTON_TEXT),
 					false, true, &localClipRect);
 
 				// draw mark and marked text
@@ -914,20 +824,20 @@ void intlGUIEditBox::draw()
 
 					if (!s.empty())
 						font->draw(s.c_str(), CurrentTextRect,
-							OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_HIGH_LIGHT_TEXT),
+							m_override_color_enabled ? m_override_color : skin->getColor(EGDC_HIGH_LIGHT_TEXT),
 							false, true, &localClipRect);
 
 				}
 			}
 
 			// Return the override color information to its previous settings.
-			OverrideColorEnabled = prevOver;
-			OverrideColor = prevColor;
+			m_override_color_enabled = prevOver;
+			m_override_color = prevColor;
 		}
 
 		// draw cursor
 
-		if (WordWrap || MultiLine)
+		if (m_word_wrap || m_multiline)
 		{
 			cursorLine = getLineFromPos(CursorPos);
 			txtLine = &BrokenText[cursorLine];
@@ -943,7 +853,7 @@ void intlGUIEditBox::draw()
 				CurrentTextRect.UpperLeftCorner.X += charcursorpos;
 
 				font->draw(L"_", CurrentTextRect,
-					OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_BUTTON_TEXT),
+					m_override_color_enabled ? m_override_color : skin->getColor(EGDC_BUTTON_TEXT),
 					false, true, &localClipRect);
 			}
 		}
@@ -965,22 +875,6 @@ void intlGUIEditBox::setText(const wchar_t* text)
 }
 
 
-//! Enables or disables automatic scrolling with cursor position
-//! \param enable: If set to true, the text will move around with the cursor position
-void intlGUIEditBox::setAutoScroll(bool enable)
-{
-	AutoScroll = enable;
-}
-
-
-//! Checks to see if automatic scrolling is enabled
-//! \return true if automatic scrolling is enabled, false if not
-bool intlGUIEditBox::isAutoScrollEnabled() const
-{
-	return AutoScroll;
-}
-
-
 //! Gets the area of the text in the edit box
 //! \return Returns the size in pixels of the text
 core::dimension2du intlGUIEditBox::getTextDimension()
@@ -1096,12 +990,12 @@ bool intlGUIEditBox::processMouse(const SEvent& event)
 
 s32 intlGUIEditBox::getCursorPos(s32 x, s32 y)
 {
-	IGUIFont* font = OverrideFont;
+	IGUIFont* font = m_override_font;
 	IGUISkin* skin = Environment->getSkin();
-	if (!OverrideFont)
+	if (!m_override_font)
 		font = skin->getFont();
 
-	const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
+	const u32 lineCount = (m_word_wrap || m_multiline) ? BrokenText.size() : 1;
 
 	core::stringw *txtLine = NULL;
 	s32 startPos = 0;
@@ -1118,8 +1012,8 @@ s32 intlGUIEditBox::getCursorPos(s32 x, s32 y)
 		// is it inside this region?
 		if (y >= CurrentTextRect.UpperLeftCorner.Y && y <= CurrentTextRect.LowerRightCorner.Y) {
 			// we've found the clicked line
-			txtLine = (WordWrap || MultiLine) ? &BrokenText[curr_line_idx] : &Text;
-			startPos = (WordWrap || MultiLine) ? BrokenTextPositions[curr_line_idx] : 0;
+			txtLine = (m_word_wrap || m_multiline) ? &BrokenText[curr_line_idx] : &Text;
+			startPos = (m_word_wrap || m_multiline) ? BrokenTextPositions[curr_line_idx] : 0;
 			break;
 		}
 	}
@@ -1144,14 +1038,14 @@ void intlGUIEditBox::breakText()
 {
 	IGUISkin* skin = Environment->getSkin();
 
-	if ((!WordWrap && !MultiLine) || !skin)
+	if ((!m_word_wrap && !m_multiline) || !skin)
 		return;
 
 	BrokenText.clear(); // need to reallocate :/
 	BrokenTextPositions.set_used(0);
 
-	IGUIFont* font = OverrideFont;
-	if (!OverrideFont)
+	IGUIFont* font = m_override_font;
+	if (!m_override_font)
 		font = skin->getFont();
 
 	if (!font)
@@ -1190,7 +1084,7 @@ void intlGUIEditBox::breakText()
 		}
 
 		// don't break if we're not a multi-line edit box
-		if (!MultiLine)
+		if (!m_multiline)
 			lineBreak = false;
 
 		if (c == L' ' || c == 0 || i == (size-1))
@@ -1201,7 +1095,7 @@ void intlGUIEditBox::breakText()
 				s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
 				s32 worldlgth = font->getDimension(word.c_str()).Width;
 
-				if (WordWrap && length + worldlgth + whitelgth > elWidth)
+				if (m_word_wrap && length + worldlgth + whitelgth > elWidth)
 				{
 					// break to next line
 					length = worldlgth;
@@ -1260,14 +1154,14 @@ void intlGUIEditBox::setTextRect(s32 line)
 	if (!skin)
 		return;
 
-	IGUIFont* font = OverrideFont ? OverrideFont : skin->getFont();
+	IGUIFont* font = m_override_font ? m_override_font : skin->getFont();
 
 	if (!font)
 		return;
 
 	// get text dimension
-	const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
-	if (WordWrap || MultiLine)
+	const u32 lineCount = (m_word_wrap || m_multiline) ? BrokenText.size() : 1;
+	if (m_word_wrap || m_multiline)
 	{
 		d = font->getDimension(BrokenText[line].c_str());
 	}
@@ -1328,7 +1222,7 @@ void intlGUIEditBox::setTextRect(s32 line)
 
 s32 intlGUIEditBox::getLineFromPos(s32 pos)
 {
-	if (!WordWrap && !MultiLine)
+	if (!m_word_wrap && !m_multiline)
 		return 0;
 
 	s32 i=0;
@@ -1387,7 +1281,7 @@ void intlGUIEditBox::inputChar(wchar_t c)
 
 void intlGUIEditBox::calculateScrollPos()
 {
-	if (!AutoScroll)
+	if (!m_autoscroll)
 		return;
 
 	// calculate horizontal scroll position
@@ -1395,18 +1289,18 @@ void intlGUIEditBox::calculateScrollPos()
 	setTextRect(cursLine);
 
 	// don't do horizontal scrolling when wordwrap is enabled.
-	if (!WordWrap)
+	if (!m_word_wrap)
 	{
 		// get cursor position
 		IGUISkin* skin = Environment->getSkin();
 		if (!skin)
 			return;
-		IGUIFont* font = OverrideFont ? OverrideFont : skin->getFont();
+		IGUIFont* font = m_override_font ? m_override_font : skin->getFont();
 		if (!font)
 			return;
 
-		core::stringw *txtLine = MultiLine ? &BrokenText[cursLine] : &Text;
-		s32 cPos = MultiLine ? CursorPos - BrokenTextPositions[cursLine] : CursorPos;
+		core::stringw *txtLine = m_multiline ? &BrokenText[cursLine] : &Text;
+		s32 cPos = m_multiline ? CursorPos - BrokenTextPositions[cursLine] : CursorPos;
 
 		s32 cStart = CurrentTextRect.UpperLeftCorner.X + HScrollPos +
 			font->getDimension(txtLine->subString(0, cPos).c_str()).Width;
@@ -1423,7 +1317,7 @@ void intlGUIEditBox::calculateScrollPos()
 		// todo: adjust scrollbar
 	}
 
-	if (!WordWrap && !MultiLine)
+	if (!m_word_wrap && !m_multiline)
 		return;
 
 	// vertical scroll position
@@ -1468,8 +1362,8 @@ void intlGUIEditBox::createVScrollBar()
 {
 	s32 fontHeight = 1;
 
-	if (OverrideFont) {
-		fontHeight = OverrideFont->getDimension(L"").Height;
+	if (m_override_font) {
+		fontHeight = m_override_font->getDimension(L"").Height;
 	} else {
 		if (IGUISkin* skin = Environment->getSkin()) {
 			if (IGUIFont* font = skin->getFont()) {
@@ -1520,7 +1414,7 @@ void intlGUIEditBox::updateVScrollBar()
 			m_vscrollbar->setPageSize(s32(getTextDimension().Height));
 		}
 
-		if (!m_vscrollbar->isVisible() && MultiLine) {
+		if (!m_vscrollbar->isVisible() && m_multiline) {
 			AbsoluteRect.LowerRightCorner.X -= m_scrollbar_width;
 
 			m_vscrollbar->setVisible(true);
@@ -1548,20 +1442,20 @@ void intlGUIEditBox::serializeAttributes(io::IAttributes* out, io::SAttributeRea
 {
 	// IGUIEditBox::serializeAttributes(out,options);
 
-	out->addBool  ("OverrideColorEnabled",OverrideColorEnabled );
-	out->addColor ("OverrideColor",       OverrideColor);
-	// out->addFont("OverrideFont",OverrideFont);
-	out->addInt   ("MaxChars",            Max);
-	out->addBool  ("WordWrap",            WordWrap);
-	out->addBool  ("MultiLine",           MultiLine);
-	out->addBool  ("AutoScroll",          AutoScroll);
-	out->addBool  ("PasswordBox",         PasswordBox);
+	out->addBool  ("OverrideColorEnabled", m_override_color_enabled );
+	out->addColor ("OverrideColor",        m_override_color);
+	// out->addFont("OverrideFont",m_override_font);
+	out->addInt   ("MaxChars",             Max);
+	out->addBool  ("WordWrap",             m_word_wrap);
+	out->addBool  ("MultiLine",            m_multiline);
+	out->addBool  ("AutoScroll",           m_autoscroll);
+	out->addBool  ("PasswordBox",          PasswordBox);
 	core::stringw ch = L" ";
 	ch[0] = PasswordChar;
-	out->addString("PasswordChar",        ch.c_str());
-	out->addEnum  ("HTextAlign",          HAlign, GUIAlignmentNames);
-	out->addEnum  ("VTextAlign",          VAlign, GUIAlignmentNames);
-	out->addBool  ("Writable",            m_writable);
+	out->addString("PasswordChar",         ch.c_str());
+	out->addEnum  ("HTextAlign",           HAlign, GUIAlignmentNames);
+	out->addEnum  ("VTextAlign",           VAlign, GUIAlignmentNames);
+	out->addBool  ("Writable",             m_writable);
 
 	IGUIEditBox::serializeAttributes(out,options);
 }
diff --git a/src/gui/intlGUIEditBox.h b/src/gui/intlGUIEditBox.h
index 9d643495e..a1e423aa2 100644
--- a/src/gui/intlGUIEditBox.h
+++ b/src/gui/intlGUIEditBox.h
@@ -7,16 +7,15 @@
 #include "IrrCompileConfig.h"
 //#ifdef _IRR_COMPILE_WITH_GUI_
 
-#include <IGUIEditBox.h>
+#include "guiEditBox.h"
 #include "irrArray.h"
 #include "IOSOperator.h"
-#include "guiScrollBar.h"
 
 namespace irr
 {
 namespace gui
 {
-	class intlGUIEditBox : public IGUIEditBox
+	class intlGUIEditBox : public GUIEditBox
 	{
 	public:
 
@@ -28,32 +27,6 @@ namespace gui
 		//! destructor
 		virtual ~intlGUIEditBox();
 
-		//! Sets another skin independent font.
-		virtual void setOverrideFont(IGUIFont* font=0);
-
-		//! Gets the override font (if any)
-		/** \return The override font (may be 0) */
-		virtual IGUIFont* getOverrideFont() const;
-
-		//! 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;
-
 		//! Sets whether to draw the background
 		virtual void setDrawBackground(bool draw);
 
@@ -64,30 +37,6 @@ namespace gui
 
 		virtual bool isDrawBorderEnabled() const { return Border; }
 
-		//! 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;
-
-		//! 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;
-
-		//! 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;
-
 		//! Gets the size area of the text in the edit box
 		//! \return Returns the size in pixels of the text
 		virtual core::dimension2du getTextDimension();
@@ -143,7 +92,7 @@ namespace gui
 
 	protected:
 		//! Breaks the single text line.
-		void breakText();
+		virtual void breakText();
 		//! sets the area of the given line
 		void setTextRect(s32 line);
 		//! returns the line number that the cursor is on
@@ -169,12 +118,9 @@ namespace gui
 
 		bool MouseMarking = false;
 		bool Border;
-		bool OverrideColorEnabled = false;
 		s32 MarkBegin = 0;
 		s32 MarkEnd = 0;
 
-		video::SColor OverrideColor = video::SColor(101,255,255,255);
-		gui::IGUIFont *OverrideFont = nullptr;
 		gui::IGUIFont *LastBreakFont = nullptr;
 		IOSOperator *Operator = nullptr;
 
@@ -184,9 +130,6 @@ namespace gui
 		s32 VScrollPos = 0; // scroll position in characters
 		u32 Max = 0;
 
-		bool WordWrap = false;
-		bool MultiLine = false;
-		bool AutoScroll = true;
 		bool PasswordBox = false;
 		wchar_t PasswordChar = L'*';
 		EGUI_ALIGNMENT HAlign = EGUIA_UPPERLEFT;