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93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
#include <memory>
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#include <unistd.h>
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#include <cstdlib>
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#include <clocale>
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#include <iostream>
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#include <ncpp/Reader.hh>
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#include <ncpp/NotCurses.hh>
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using namespace ncpp;
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auto usage(const char* argv0, int ret) -> void {
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std::cerr << "usage: " << argv0 << " [ -hs ]" << std::endl;
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exit(ret);
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}
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auto main(int argc, const char** argv) -> int {
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if(!setlocale(LC_ALL, "")){
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std::cout << "Error setting locale\n";
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return EXIT_FAILURE;
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}
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bool horscroll = false;
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if(argc == 2){
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if(strcmp(argv[1], "-hs") == 0){
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horscroll = true;
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}else{
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usage(argv[0], EXIT_FAILURE);
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}
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}else if(argc > 2){
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usage(argv[0], EXIT_FAILURE);
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}
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notcurses_options ncopts{};
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ncopts.flags = NCOPTION_INHIBIT_SETLOCALE;
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NotCurses nc(ncopts);
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unsigned dimy, dimx;
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auto n = std::make_unique<Plane *>(nc.get_stdplane(&dimy, &dimx));
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nc.get_term_dim(&dimy, &dimx);
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ncreader_options opts{};
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opts.flags = NCREADER_OPTION_CURSOR | (horscroll ? NCREADER_OPTION_HORSCROLL : 0);
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// can't use Plane until we have move constructor for Reader
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struct ncplane_options nopts = {
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.y = 2,
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.x = 2,
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.rows = dimy / 8,
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.cols = dimx / 2,
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.userptr = nullptr,
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.name = "read",
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.resizecb = nullptr,
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.flags = 0,
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.margin_b = 0, .margin_r = 0,
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};
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struct ncplane* rp = ncplane_create(**n, &nopts);
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ncplane_set_base(rp, "░", 0, 0);
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auto nr = ncreader_create(rp, &opts);
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if(nr == nullptr){
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return EXIT_FAILURE;
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}
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ncinput ni;
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unsigned tgeomy, tgeomx, vgeomy, vgeomx;
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struct ncplane* ncp = ncreader_plane(nr);
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struct ncplane* tplane = ncplane_above(ncp);
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ncplane_dim_yx(tplane, &tgeomy, &tgeomx);
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ncplane_dim_yx(ncp, &vgeomy, &vgeomx);
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(*n)->printf(0, 0, "Scroll: %c Cursor: 000/000 Viewgeom: %03u/%03u Textgeom: %03u/%03u",
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horscroll ? '+' : '-', vgeomy, vgeomx, tgeomy, tgeomx);
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nc.render();
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while(nc.get(true, &ni) != (char32_t)-1){
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if(ni.evtype == EvType::Release){
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continue;
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}
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if(ni.ctrl && ni.id == 'L'){
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notcurses_refresh(nc, NULL, NULL);
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}else if((ni.ctrl && ni.id == 'D') || ni.id == NCKEY_ENTER){
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break;
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}else if(ncreader_offer_input(nr, &ni)){
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unsigned ncpy, ncpx;
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ncplane_cursor_yx(ncp, &ncpy, &ncpx);
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ncplane_dim_yx(tplane, &tgeomy, &tgeomx);
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ncplane_dim_yx(ncp, &vgeomy, &vgeomx);
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(*n)->printf(0, 0, "Scroll: %c Cursor: %03u/%03u Viewgeom: %03u/%03u Textgeom: %03u/%03u",
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horscroll ? '+' : '-', ncpy, ncpx, vgeomy, vgeomx, tgeomy, tgeomx);
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nc.render();
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}
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}
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nc.render();
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char* contents;
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ncreader_destroy(nr, &contents);
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nc.stop();
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if(contents){
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printf("\n input: %s\n", contents);
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}
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return EXIT_SUCCESS;
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}
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