mirror of https://github.com/minetest/minetest.git
200 lines
6.3 KiB
C++
200 lines
6.3 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt, Modified by Mustapha Tachouct
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef GUIEDITBOXWITHSCROLLBAR_HEADER
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#define GUIEDITBOXWITHSCROLLBAR_HEADER
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#include "IGUIEditBox.h"
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#include "IOSOperator.h"
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#include "IGUIScrollBar.h"
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#include <vector>
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using namespace irr;
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using namespace irr::gui;
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class GUIEditBoxWithScrollBar : public IGUIEditBox
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{
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public:
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//! constructor
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GUIEditBoxWithScrollBar(const wchar_t* text, bool border, IGUIEnvironment* environment,
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IGUIElement* parent, s32 id, const core::rect<s32>& rectangle,
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bool writable = true, bool has_vscrollbar = true);
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//! destructor
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virtual ~GUIEditBoxWithScrollBar();
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//! Sets another skin independent font.
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virtual void setOverrideFont(IGUIFont* font = 0);
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//! Gets the override font (if any)
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/** \return The override font (may be 0) */
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virtual IGUIFont* getOverrideFont() const;
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//! Get the font which is used right now for drawing
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/** Currently this is the override font when one is set and the
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font of the active skin otherwise */
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virtual IGUIFont* getActiveFont() const;
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//! Sets another color for the text.
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virtual void setOverrideColor(video::SColor color);
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//! Gets the override color
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virtual video::SColor getOverrideColor() const;
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//! Sets if the text should use the overide color or the
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//! color in the gui skin.
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virtual void enableOverrideColor(bool enable);
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//! Checks if an override color is enabled
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/** \return true if the override color is enabled, false otherwise */
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virtual bool isOverrideColorEnabled(void) const;
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//! Sets whether to draw the background
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virtual void setDrawBackground(bool draw);
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//! Turns the border on or off
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virtual void setDrawBorder(bool border);
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//! Enables or disables word wrap for using the edit box as multiline text editor.
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virtual void setWordWrap(bool enable);
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//! Checks if word wrap is enabled
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//! \return true if word wrap is enabled, false otherwise
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virtual bool isWordWrapEnabled() const;
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//! Enables or disables newlines.
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/** \param enable: If set to true, the EGET_EDITBOX_ENTER event will not be fired,
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instead a newline character will be inserted. */
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virtual void setMultiLine(bool enable);
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//! Checks if multi line editing is enabled
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//! \return true if mult-line is enabled, false otherwise
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virtual bool isMultiLineEnabled() const;
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//! Enables or disables automatic scrolling with cursor position
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//! \param enable: If set to true, the text will move around with the cursor position
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virtual void setAutoScroll(bool enable);
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//! Checks to see if automatic scrolling is enabled
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//! \return true if automatic scrolling is enabled, false if not
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virtual bool isAutoScrollEnabled() const;
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//! Gets the size area of the text in the edit box
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//! \return Returns the size in pixels of the text
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virtual core::dimension2du getTextDimension();
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//! Sets text justification
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virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical);
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//! called if an event happened.
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virtual bool OnEvent(const SEvent& event);
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//! draws the element and its children
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virtual void draw();
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//! Sets the new caption of this element.
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virtual void setText(const wchar_t* text);
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//! Sets the maximum amount of characters which may be entered in the box.
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//! \param max: Maximum amount of characters. If 0, the character amount is
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//! infinity.
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virtual void setMax(u32 max);
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//! Returns maximum amount of characters, previously set by setMax();
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virtual u32 getMax() const;
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//! Sets whether the edit box is a password box. Setting this to true will
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/** disable MultiLine, WordWrap and the ability to copy with ctrl+c or ctrl+x
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\param passwordBox: true to enable password, false to disable
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\param passwordChar: the character that is displayed instead of letters */
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virtual void setPasswordBox(bool passwordBox, wchar_t passwordChar = L'*');
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//! Returns true if the edit box is currently a password box.
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virtual bool isPasswordBox() const;
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//! Updates the absolute position, splits text if required
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virtual void updateAbsolutePosition();
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virtual void setWritable(bool writable);
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//! Change the background color
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virtual void setBackgroundColor(const video::SColor &bg_color);
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
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virtual bool isDrawBackgroundEnabled() const;
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virtual bool isDrawBorderEnabled() const;
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virtual void setCursorChar(const wchar_t cursorChar);
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virtual wchar_t getCursorChar() const;
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virtual void setCursorBlinkTime(irr::u32 timeMs);
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virtual irr::u32 getCursorBlinkTime() const;
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protected:
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//! Breaks the single text line.
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void breakText();
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//! sets the area of the given line
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void setTextRect(s32 line);
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//! returns the line number that the cursor is on
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s32 getLineFromPos(s32 pos);
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//! adds a letter to the edit box
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void inputChar(wchar_t c);
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//! calculates the current scroll position
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void calculateScrollPos();
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//! calculated the FrameRect
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void calculateFrameRect();
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//! send some gui event to parent
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void sendGuiEvent(EGUI_EVENT_TYPE type);
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//! set text markers
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void setTextMarkers(s32 begin, s32 end);
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//! create a Vertical ScrollBar
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void createVScrollBar();
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//! update the vertical scrollBar (visibilty & position)
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void updateVScrollBar();
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bool processKey(const SEvent& event);
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bool processMouse(const SEvent& event);
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s32 getCursorPos(s32 x, s32 y);
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bool m_mouse_marking;
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bool m_border;
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bool m_background;
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bool m_override_color_enabled;
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s32 m_mark_begin;
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s32 m_mark_end;
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video::SColor m_override_color;
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gui::IGUIFont *m_override_font, *m_last_break_font;
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IOSOperator* m_operator;
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u32 m_blink_start_time;
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s32 m_cursor_pos;
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s32 m_hscroll_pos, m_vscroll_pos; // scroll position in characters
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u32 m_max;
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bool m_word_wrap, m_multiline, m_autoscroll, m_passwordbox;
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wchar_t m_passwordchar;
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EGUI_ALIGNMENT m_halign, m_valign;
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std::vector<core::stringw> m_broken_text;
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std::vector<s32> m_broken_text_positions;
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core::rect<s32> m_current_text_rect, m_frame_rect; // temporary values
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u32 m_scrollbar_width;
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IGUIScrollBar *m_vscrollbar;
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bool m_writable;
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bool m_bg_color_used;
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video::SColor m_bg_color;
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};
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#endif // GUIEDITBOXWITHSCROLLBAR_HEADER
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