144 lines
5.3 KiB
C++
144 lines
5.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2009 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef _SCROLLPAD_H
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#define _SCROLLPAD_H
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#include "window.h"
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#include "strbuffer.h"
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namespace NCurses
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{
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/// Scrollpad is specialized window that can hold large portion of text and
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/// supports scrolling if the amount of it is bigger than the window area.
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///
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class Scrollpad: public Window
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{
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public:
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/// Constructs an empty scrollpad with given parameters
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/// @param startx X position of left upper corner of constructed window
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/// @param starty Y position of left upper corner of constructed window
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/// @param width width of constructed window
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/// @param height height of constructed window
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/// @param title title of constructed window
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/// @param color base color of constructed window
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/// @param border border of constructed window
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///
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Scrollpad(size_t startx, size_t starty, size_t width, size_t height,
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const std::string &title, Color color, Border border);
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/// Copies the scrollpad
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/// @param s copied scrollpad
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///
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Scrollpad(const Scrollpad &s);
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/// Prints the text stored in internal buffer to window. Note that
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/// all changes that has been made for text stored in scrollpad won't
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/// be visible until one invokes this function
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///
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void Flush();
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/// Searches for given string in text and sets format/color at the
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/// beginning and end of it using val_b and val_e flags accordingly
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/// @param val_b flag set at the beginning of found occurence of string
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/// @param s string that function seaches for
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/// @param val_e flag set at the end of found occurence of string
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/// @param for_each indicates whether function searches through whole text and sets
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/// given format for all occurences of given string or stops after first occurence
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/// @return true if at least one occurence of the string was found, false otherwise
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///
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bool SetFormatting(short val_b, const std::basic_string<my_char_t> &s,
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short val_e, bool for_each = 1);
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/// Removes all format flags and colors from stored text
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///
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void ForgetFormatting();
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/// Removes all format flags and colors that was applied
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/// by the most recent call to SetFormatting() function
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/// @see SetFormatting()
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///
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void RemoveFormatting();
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/// @return text stored in internal buffer
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///
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std::basic_string<my_char_t> Content() { return itsBuffer.Str(); }
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/// Refreshes the window
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/// @see Window::Refresh()
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///
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virtual void Refresh();
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/// Scrolls by given amount of lines
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/// @param where indicates where exactly one wants to go
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/// @see Window::Scroll()
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///
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virtual void Scroll(Where where);
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/// Resizes the window
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/// @param new_width new window's width
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/// @param new_height new window's height
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/// @see Window::Resize()
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///
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virtual void Resize(size_t new_width, size_t new_height);
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/// Cleares the content of scrollpad
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/// @param clear_screen indicates whether window has to be cleared imediately or not
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/// @see Window::Clear()
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///
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virtual void Clear(bool clear_screen = 1);
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/// Template function that redirects all data passed
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/// to the scrollpad window to its internal buffer
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/// @param obj any object that has ostream &operator<<() defined
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/// @return reference to itself
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///
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template <typename T> Scrollpad &operator<<(const T &obj)
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{
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itsBuffer << obj;
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return *this;
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}
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Scrollpad &operator<<(std::ostream &(*os)(std::ostream &));
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# ifdef _UTF8
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bool SetFormatting(short vb, const std::string &s, short ve, bool for_each = 1) { return SetFormatting(vb, ToWString(s), ve, for_each); }
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Scrollpad &operator<<(const std::string &s);
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# endif // _UTF8
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protected:
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virtual void Recreate();
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basic_buffer<my_char_t> itsBuffer;
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int itsBeginning;
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bool itsFoundForEach;
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short itsFoundValueBegin;
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short itsFoundValueEnd;
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std::basic_string<my_char_t> itsFoundPattern;
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size_t itsRealHeight;
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};
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}
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#endif
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