diff options
| -rw-r--r-- | 077trace_browser.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/077trace_browser.cc b/077trace_browser.cc index cd93ec74..024e5e63 100644 --- a/077trace_browser.cc +++ b/077trace_browser.cc @@ -43,31 +43,37 @@ void start_trace_browser() { long long int key = event.key ? event.key : event.ch; if (key == 'q' || key == 'Q') break; if (key == 'j') { + // move cursor one line down if (Display_row < Last_printed_row) ++Display_row; } if (key == 'k') { + // move cursor one line up if (Display_row > 0) --Display_row; } if (key == 'H') { + // move cursor to top of screen Display_row = 0; } if (key == 'M') { + // move cursor to center of screen Display_row = tb_height()/2; } if (key == 'L') { + // move cursor to bottom of screen Display_row = tb_height()-1; } if (key == 'J') { + // page-down if (Trace_index.find(tb_height()-1) != Trace_index.end()) { Top_of_screen = Trace_index[tb_height()-1]+1; refresh_screen_rows(); } } if (key == 'K') { + // page-up is more convoluted int max = tb_height(); //? tb_shutdown(); //? 1 //? cerr << "page-up: Top_of_screen is currently " << Top_of_screen << '\n'; //? 1 - // page-up is more convoluted for (int screen_row = max; screen_row > 0 && Top_of_screen > 0; --screen_row) { --Top_of_screen; if (Top_of_screen <= 0) break; @@ -80,6 +86,7 @@ void start_trace_browser() { refresh_screen_rows(); } if (key == TB_KEY_CARRIAGE_RETURN) { + // expand lines under current by one level //? tb_shutdown(); assert(Trace_index.find(Display_row) != Trace_index.end()); long long int start_index = Trace_index[Display_row]; @@ -109,6 +116,7 @@ void start_trace_browser() { refresh_screen_rows(); } if (key == TB_KEY_BACKSPACE || key == TB_KEY_BACKSPACE2) { + // collapse all lines under current assert(Trace_index.find(Display_row) != Trace_index.end()); long long int start_index = Trace_index[Display_row]; long long int index = 0; |