diff options
Diffstat (limited to 'src/window.cpp')
| -rw-r--r-- | src/window.cpp | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/src/window.cpp b/src/window.cpp new file mode 100644 index 0000000..bfa7701 --- /dev/null +++ b/src/window.cpp @@ -0,0 +1,289 @@ +/*************************************************************************** + window.cpp + ------------------- + begin : Thu Nov 25 2003 + copyright : (C) 2003 - 2012 by Roland Riegel + email : feedback@roland-riegel.de + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include "window.h" + +using namespace std; + +Window::WindowStreamBuf::WindowStreamBuf(Window& window) + : m_window(window) +{ +} + +Window::WindowStreamBuf::~WindowStreamBuf() +{ +} + +streamsize Window::WindowStreamBuf::xsputn(const char_type* str, streamsize n) +{ + m_window.print(string(str, n)); + return n; +} + +Window::WindowStreamBuf::int_type Window::WindowStreamBuf::overflow(int_type c) +{ + if(c == traits_type::eof()) + return c; + + m_window.print((char) c); + return c; +} + +Window::WindowStream::WindowStream(Window& window) + : basic_ostream<char>(new WindowStreamBuf(window)) +{ +} + +Window::WindowStream::~WindowStream() +{ + delete rdbuf(); +} + +Window::Window() + : m_visible(false), m_window(0), m_stream(*this) +{ +} + +Window::~Window() +{ + hide(); +} + +// create window and display it +void Window::show(int x, int y, int width, int height) +{ + if(m_window) + return; + + m_window = newwin(height, width, y, x); + clear(); + refresh(); + + m_visible = true; +} + +// hide window and destroy it +void Window::hide() +{ + if(!m_window) + return; + + clear(); + refresh(); + delwin(m_window); + + m_window = 0; + + m_visible = false; +} + +// is the window currently visible? +bool Window::isVisible() +{ + return m_visible; +} + +// refresh window +void Window::refresh() +{ + if(m_window) + wrefresh(m_window); +} + +// clear the content of the window +void Window::clear() +{ + if(m_window) + wclear(m_window); +} + +// move and resize window +void Window::resize(int x, int y, int width, int height) +{ + if(!m_window) + return; + + wresize(m_window, height, width); + mvwin(m_window, y, x); +} + +// return current window width +int Window::getWidth() +{ + if(!m_window) + return 0; + + int width, height; + getmaxyx(m_window, height, width); + + return width; +} + +// return current window height +int Window::getHeight() +{ + if(!m_window) + return 0; + + int width, height; + getmaxyx(m_window, height, width); + + return height; +} + +// return current distance to left screen edge +int Window::getLeft() +{ + if(!m_window) + return 0; + + int x, y; + getbegyx(m_window, y, x); + + return x; +} + +// return current distance to top screen edge +int Window::getTop() +{ + if(!m_window) + return 0; + + int x, y; + getbegyx(m_window, y, x); + + return y; +} + +// return current cursor position on the x-axis +int Window::getX() +{ + if(!m_window) + return 0; + + int x, y; + getyx(m_window, y, x); + + return x; +} + +// return current cursor position on the y-axis +int Window::getY() +{ + if(!m_window) + return 0; + + int x, y; + getyx(m_window, y, x); + + return y; +} + +// set current cursor x position +void Window::setX(int new_x) +{ + if(!m_window) + return; + + wmove(m_window, getY(), new_x); +} + +// set current cursor y position +void Window::setY(int new_y) +{ + if(!m_window) + return; + + wmove(m_window, new_y, getX()); +} + +// set current cursor position +void Window::setXY(int new_x, int new_y) +{ + if(!m_window) + return; + + wmove(m_window, new_y, new_x); +} + +// print some text to the window +void Window::print(const string& text, int new_x, int new_y) +{ + if(!m_window) + return; + if(new_x <= -1) + new_x = getX(); + if(new_y <= -1) + new_y = getY(); + + mvwaddstr(m_window, new_y, new_x, text.c_str()); +} + +// print a char to the window +void Window::print(char text, int new_x, int new_y) +{ + if(!m_window) + return; + if(new_x <= -1) + new_x = getX(); + if(new_y <= -1) + new_y = getY(); + + mvwaddch(m_window, new_y, new_x, text); +} + +// print via stream to window +Window::WindowStream& Window::print(int x, int y) +{ + if(x <= -1) + x = getX(); + if(y <= -1) + y = getY(); + setXY(x, y); + + return m_stream; +} + +SubWindow::SubWindow(Window* parent) + : Window(), m_parent(parent) +{ +} + +SubWindow::~SubWindow() +{ + hide(); +} + +// return parent window +Window* SubWindow::getParent() +{ + return m_parent; +} + +// create window and display it +void SubWindow::show(int x, int y, int width, int height) +{ + if(m_window) + return; + + m_window = derwin(m_parent->m_window, height, width, y, x); + clear(); + refresh(); + + m_visible = true; +} + |