advtrains.git - Advtrains mod for minetest.

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/* 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 "irrlichttypes.h" #include "IGUIEditBox.h" #include "IOSOperator.h" #include "guiScrollBar.h" #include <vector> using namespace irr; using namespace irr::gui; class GUIEditBox : public IGUIEditBox { public: GUIEditBox(IGUIEnvironment *environment, IGUIElement *parent, s32 id, core::rect<s32> rectangle, bool border, bool writable) : IGUIEditBox(environment, parent, id, rectangle), m_border(border), m_writable(writable), m_frame_rect(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; } //! Turns the border on or off virtual void setDrawBorder(bool border); virtual bool isDrawBorderEnabled() const { return m_border; } //! 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; } //! Sets whether the edit box is a password box. Setting this to true will /** disable MultiLine, WordWrap and the ability to copy with ctrl+c or ctrl+x \param passwordBox: true to enable password, false to disable \param passwordChar: the character that is displayed instead of letters */ virtual void setPasswordBox(bool passwordBox, wchar_t passwordChar = L'*'); //! Returns true if the edit box is currently a password box. virtual bool isPasswordBox() const { return m_passwordbox; } //! Sets text justification virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical); //! Sets the new caption of this element. virtual void setText(const wchar_t *text); //! Sets the maximum amount of characters which may be entered in the box. //! \param max: Maximum amount of characters. If 0, the character amount is //! infinity. virtual void setMax(u32 max); //! Returns maximum amount of characters, previously set by setMax(); virtual u32 getMax() const { return m_max; } //! Gets the size area of the text in the edit box //! \return Returns the size in pixels of the text virtual core::dimension2du getTextDimension(); //! set true if this EditBox is writable virtual void setWritable(bool can_write_text); //! called if an event happened. virtual bool OnEvent(const SEvent &event); //! Writes attributes of the element. virtual void serializeAttributes(io::IAttributes *out, io::SAttributeReadWriteOptions *options) const; //! Reads attributes of the element virtual void deserializeAttributes( io::IAttributes *in, io::SAttributeReadWriteOptions *options); protected: virtual void breakText() = 0; //! sets the area of the given line virtual void setTextRect(s32 line) = 0; //! set text markers void setTextMarkers(s32 begin, s32 end); //! send some gui event to parent void sendGuiEvent(EGUI_EVENT_TYPE type); //! calculates the current scroll position virtual void calculateScrollPos() = 0; virtual s32 getCursorPos(s32 x, s32 y) = 0; bool processKey(const SEvent &event); virtual void inputChar(wchar_t c); //! returns the line number that the cursor is on s32 getLineFromPos(s32 pos); //! update the vertical scrollBar (visibilty & position) void updateVScrollBar(); 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; bool m_border; bool m_passwordbox = false; wchar_t m_passwordchar = L'*'; std::vector<core::stringw> m_broken_text; std::vector<s32> m_broken_text_positions; EGUI_ALIGNMENT m_halign = EGUIA_UPPERLEFT; EGUI_ALIGNMENT m_valign = EGUIA_CENTER; u32 m_blink_start_time = 0; s32 m_cursor_pos = 0; s32 m_hscroll_pos = 0; s32 m_vscroll_pos = 0; // scroll position in characters u32 m_max = 0; video::SColor m_override_color = video::SColor(101, 255, 255, 255); core::rect<s32> m_current_text_rect = core::rect<s32>(0, 0, 1, 1); bool m_writable; bool m_mouse_marking = false; s32 m_mark_begin = 0; s32 m_mark_end = 0; gui::IGUIFont *m_last_break_font = nullptr; IOSOperator *m_operator = nullptr; core::rect<s32> m_frame_rect; // temporary values u32 m_scrollbar_width = 0; GUIScrollBar *m_vscrollbar = nullptr; private: bool processMouse(const SEvent &event); bool onKeyUp(const SEvent &event, s32 &mark_begin, s32 &mark_end); bool onKeyDown(const SEvent &event, s32 &mark_begin, s32 &mark_end); void onKeyControlC(const SEvent &event); bool onKeyControlX(const SEvent &event, s32 &mark_begin, s32 &mark_end); bool onKeyControlV(const SEvent &event, s32 &mark_begin, s32 &mark_end); bool onKeyBack(const SEvent &event, s32 &mark_begin, s32 &mark_end); bool onKeyDelete(const SEvent &event, s32 &mark_begin, s32 &mark_end); };


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