100 lines
1.8 KiB
C++
100 lines
1.8 KiB
C++
#include "frontends/ncurses/nframe.h"
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#include "frontends/ncurses/colors.h"
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#include <signal.h>
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#include <locale.h>
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#include <stdlib.h>
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bool Frame::ourInitialised = false;
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std::shared_ptr<GraphicsColors> Frame::ourColors;
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Frame::Frame() : myColumns(-1), myRows(-1)
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{
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// only initialise if actually used
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// so we can run headless
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}
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void Frame::init(int rows, int columns)
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{
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if (myRows != rows || myColumns != columns)
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{
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initialise();
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if (columns < myColumns || rows < myRows)
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{
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werase(myStatus.get());
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wrefresh(myStatus.get());
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werase(myFrame.get());
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wrefresh(myFrame.get());
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}
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myRows = rows;
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myColumns = columns;
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const int width = 1 + myColumns + 1;
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const int left = (COLS - width) / 2;
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myFrame.reset(newwin(1 + myRows + 1, width, 0, left), delwin);
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box(myFrame.get(), 0 , 0);
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wtimeout(myFrame.get(), 0);
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keypad(myFrame.get(), true);
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wrefresh(myFrame.get());
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myStatus.reset(newwin(4, width, 1 + myRows + 1, left), delwin);
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box(myStatus.get(), 0 , 0);
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wrefresh(myStatus.get());
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}
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}
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WINDOW * Frame::getWindow()
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{
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return myFrame.get();
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}
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WINDOW * Frame::getStatus()
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{
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return myStatus.get();
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}
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int Frame::getColumns() const
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{
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return myColumns;
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}
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void Frame::initialise()
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{
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if (!ourInitialised)
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{
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setlocale(LC_ALL, "");
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initscr();
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// does not seem to be a problem calling endwin() multiple times
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std::atexit(Frame::unInitialise);
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curs_set(0);
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noecho();
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cbreak();
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set_escdelay(0);
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// make sure this happens when ncurses is indeed initialised
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ourColors.reset(new GraphicsColors(20, 20, 32));
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ourInitialised = true;
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}
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}
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void Frame::unInitialise()
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{
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if (ourInitialised)
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{
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ourColors.reset();
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endwin();
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ourInitialised = false;
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}
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}
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GraphicsColors & Frame::getColors()
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{
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return *ourColors;
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}
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