diff options
Diffstat (limited to 'src/interface-curses/interface.c')
| -rw-r--r-- | src/interface-curses/interface.c | 174 |
1 files changed, 121 insertions, 53 deletions
diff --git a/src/interface-curses/interface.c b/src/interface-curses/interface.c index 073ff86..6c8b231 100644 --- a/src/interface-curses/interface.c +++ b/src/interface-curses/interface.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2025 Robin Haberkorn + * Copyright (C) 2012-2026 Robin Haberkorn * * 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 @@ -138,8 +138,6 @@ static gint teco_xterm_version(void) G_GNUC_UNUSED; static gint teco_interface_blocking_getch(void); -#define UNNAMED_FILE "(Unnamed)" - /** * Get bright variant of one of the 8 standard * curses colors. @@ -202,6 +200,7 @@ static struct { TECO_INFO_TYPE_BUFFER = 0, TECO_INFO_TYPE_QREG } info_type; + /* current document's name or empty string for "(Unnamed)" buffer */ teco_string_t info_current; gboolean info_dirty; @@ -233,9 +232,12 @@ static struct { * * Scinterm no longer initializes all color pairs for all combinations of * the builtin foreground and background colors. - * Since curses guarantees only 256 color pairs, we cannot do that either. - * Instead we allocate color pairs beginnig at 128 on demand - * (similar to what Scinterm does). + * Since curses does not guarantee any number of color pairs, we cannot do that either. + * Instead we allocate color pairs beginnig at the second half of + * color pair space on demand (similar to what Scinterm does). + * + * @note Scinterm now also has scintilla_set_color_offsets(), + * so we could use the color pairs beginning with 1 as well. * * @param fg curses foreground color * @param bg curses background color @@ -244,16 +246,24 @@ static struct { static gshort teco_color_pair(gshort fg, gshort bg) { - static gshort last_pair = 127; + static gshort allocated_pairs = 0; G_STATIC_ASSERT(sizeof(gshort)*2 <= sizeof(guint)); - gpointer key = GUINT_TO_POINTER(((guint)fg << 16) | bg); + gpointer key = GUINT_TO_POINTER(((guint)fg << 8*sizeof(bg)) | bg); gpointer value = g_hash_table_lookup(teco_interface.pair_table, key); if (G_LIKELY(value != NULL)) return GPOINTER_TO_UINT(value); - init_pair(++last_pair, fg, bg); - g_hash_table_insert(teco_interface.pair_table, key, GUINT_TO_POINTER(last_pair)); - return last_pair; + /* + * We are still adding colors with COLOR_PAIR(), which allows + * at most 256 color pairs (1-255). + */ + gshort new_pair = MIN(COLOR_PAIRS, 256)/2 + allocated_pairs; + if (G_UNLIKELY(new_pair >= 256)) + return 0; + allocated_pairs++; + init_pair(new_pair, fg, bg); + g_hash_table_insert(teco_interface.pair_table, key, GUINT_TO_POINTER(new_pair)); + return new_pair; } /** @@ -276,8 +286,8 @@ teco_color_attr(gshort fg, gshort bg) * Basic support for monochrome terminals: * Every background, that is not black is assumed to be a * dark-on-bright area, rendered in reverse. - * This will at least work with the terminal.tes - * color scheme. + * This will at least work with the terminal.tes and contrast.tes + * color schemes. */ return bg != COLOR_BLACK ? A_REVERSE : 0; } @@ -393,6 +403,13 @@ teco_view_noutrefresh(teco_view_t *ctx) scintilla_noutrefresh(ctx); } +static inline void +teco_view_update_cursor(teco_view_t *ctx) +{ + if (teco_view_ssm(ctx, SCI_GETCARETSTYLE, 0, 0) & CARETSTYLE_CURSES) + scintilla_update_cursor(ctx); +} + static inline WINDOW * teco_view_get_window(teco_view_t *ctx) { @@ -437,20 +454,16 @@ teco_interface_init(void) teco_curses_info_popup_init(&teco_interface.popup); - /* - * Make sure we have a string for the info line - * even if teco_interface_info_update() is never called. - */ - teco_string_init(&teco_interface.info_current, PACKAGE_NAME, strlen(PACKAGE_NAME)); - teco_cmdline_init(); /* * The default INDIC_STRIKE wouldn't be visible. - * Instead we use INDIC_STRAIGHTBOX, which will be rendered as underlined if - * the alpha is 0. + * Instead we use INDIC_SQUIGGLE, which is rendered as A_UNDERLINE. + */ + teco_cmdline_ssm(SCI_INDICSETSTYLE, INDICATOR_RUBBEDOUT, INDIC_SQUIGGLE); + /* + * Enable hardware cursor by default. */ - teco_cmdline_ssm(SCI_INDICSETSTYLE, INDICATOR_RUBBEDOUT, INDIC_STRAIGHTBOX); - teco_cmdline_ssm(SCI_INDICSETALPHA, INDICATOR_RUBBEDOUT, 0); + teco_cmdline_ssm(SCI_SETCARETSTYLE, CARETSTYLE_CURSES, 0); /* * On all platforms except Curses/XTerm, it's @@ -790,8 +803,6 @@ teco_interface_init_interactive(GError **error) cbreak(); noecho(); - /* Scintilla draws its own cursor */ - curs_set(0); /* * This has also been observed to reduce flickering * in teco_interface_refresh(). @@ -818,7 +829,7 @@ teco_interface_init_interactive(GError **error) * must always be TRUE so we receive KEY_RESIZE. */ keypad(teco_interface.input_pad, TRUE); - nodelay(teco_interface.input_pad, TRUE); + wtimeout(teco_interface.input_pad, 0); teco_interface.input_queue = g_queue_new(); @@ -990,10 +1001,11 @@ teco_interface_getch(gboolean widechar) /* * Signal that we accept input by drawing a real cursor in the message bar. + * FIXME: curs_set(2) would be better, but isn't always visible. */ wmove(teco_interface.msg_window, 0, 0); - curs_set(1); wrefresh(teco_interface.msg_window); + curs_set(1); gchar buf[4]; gint i = 0; @@ -1020,7 +1032,6 @@ teco_interface_getch(gboolean widechar) i = 0; } while (cp < 0); - curs_set(0); return cp; } @@ -1160,26 +1171,30 @@ teco_interface_draw_info(void) waddstr(teco_interface.info_window, PACKAGE_NAME " "); + teco_string_t info_current = teco_interface.info_current; + if (!info_current.len) { + info_current.data = TECO_UNNAMED_FILE; + info_current.len = strlen(info_current.data); + } + switch (teco_interface.info_type) { case TECO_INFO_TYPE_QREG: info_type_str = PACKAGE_NAME " - <QRegister> "; teco_curses_add_wc(teco_interface.info_window, teco_ed & TECO_ED_ICONS ? TECO_CURSES_ICONS_QREG : '-'); waddstr(teco_interface.info_window, " <QRegister> "); - /* same formatting as in command lines */ teco_curses_format_str(teco_interface.info_window, - teco_interface.info_current.data, - teco_interface.info_current.len, -1); + info_current.data, info_current.len, -1); break; case TECO_INFO_TYPE_BUFFER: info_type_str = PACKAGE_NAME " - <Buffer> "; - g_assert(!teco_string_contains(&teco_interface.info_current, '\0')); + g_assert(!teco_string_contains(info_current, '\0')); + /* "(Unnamed)" buffer has to be looked up as "" */ teco_curses_add_wc(teco_interface.info_window, teco_ed & TECO_ED_ICONS ? teco_curses_icons_lookup_file(teco_interface.info_current.data) : '-'); waddstr(teco_interface.info_window, " <Buffer> "); - teco_curses_format_filename(teco_interface.info_window, - teco_interface.info_current.data, + teco_curses_format_filename(teco_interface.info_window, info_current.data, getmaxx(teco_interface.info_window) - getcurx(teco_interface.info_window) - 1); waddch(teco_interface.info_window, teco_interface.info_dirty ? '*' : ' '); @@ -1195,8 +1210,7 @@ teco_interface_draw_info(void) * Make sure the title will consist only of printable characters. */ g_autofree gchar *info_current_printable; - info_current_printable = teco_string_echo(teco_interface.info_current.data, - teco_interface.info_current.len); + info_current_printable = teco_string_echo(info_current.data, info_current.len); g_autofree gchar *title = g_strconcat(info_type_str, info_current_printable, teco_interface.info_dirty ? "*" : "", NULL); teco_interface_set_window_title(title); @@ -1216,10 +1230,9 @@ teco_interface_info_update_qreg(const teco_qreg_t *reg) void teco_interface_info_update_buffer(const teco_buffer_t *buffer) { - const gchar *filename = buffer->filename ? : UNNAMED_FILE; - teco_string_clear(&teco_interface.info_current); - teco_string_init(&teco_interface.info_current, filename, strlen(filename)); + teco_string_init(&teco_interface.info_current, buffer->filename, + buffer->filename ? strlen(buffer->filename) : 0); teco_interface.info_dirty = buffer->state > TECO_BUFFER_CLEAN; teco_interface.info_type = TECO_INFO_TYPE_BUFFER; /* NOTE: drawn in teco_interface_event_loop_iter() */ @@ -1233,7 +1246,20 @@ teco_interface_info_update_buffer(const teco_buffer_t *buffer) * default clipboard ("~") as we do not know whether * it corresponds to the X11 PRIMARY, SECONDARY or * CLIPBOARD selections. + * + * On XCurses we must not (and don't have to) probe + * the clipboard as it would be before Xinitscr(). */ +#ifdef XCURSES + +static void +teco_interface_init_clipboard(void) +{ + teco_qreg_table_replace(&teco_qreg_table_globals, teco_qreg_clipboard_new("")); +} + +#else /* XCURSES */ + static void teco_interface_init_clipboard(void) { @@ -1258,6 +1284,8 @@ teco_interface_init_clipboard(void) teco_qreg_table_replace(&teco_qreg_table_globals, teco_qreg_clipboard_new("")); } +#endif /* !XCURSES */ + gboolean teco_interface_set_clipboard(const gchar *name, const gchar *str, gsize str_len, GError **error) { @@ -1429,7 +1457,7 @@ teco_interface_osc52_get_clipboard(const gchar *name, gchar **str, gsize *len, G * We restore all changed Curses settings before returning * to be on the safe side. */ - halfdelay(1); /* 100ms timeout */ + wtimeout(teco_interface.input_pad, 100); /* don't interpret escape sequences */ keypad(teco_interface.input_pad, FALSE); @@ -1496,7 +1524,7 @@ teco_interface_osc52_get_clipboard(const gchar *name, gchar **str, gsize *len, G cleanup: keypad(teco_interface.input_pad, TRUE); - nodelay(teco_interface.input_pad, TRUE); + wtimeout(teco_interface.input_pad, 0); return ret; } @@ -1547,7 +1575,7 @@ teco_interface_set_clipboard(const gchar *name, const gchar *str, gsize str_len, g_auto(teco_string_t) command; if (!reg->vtable->get_string(reg, &command.data, &command.len, NULL, error)) return FALSE; - if (teco_string_contains(&command, '\0')) { + if (teco_string_contains(command, '\0')) { teco_error_qregcontainsnull_set(error, reg_name, strlen(reg_name), FALSE); return FALSE; } @@ -1608,7 +1636,7 @@ teco_interface_get_clipboard(const gchar *name, gchar **str, gsize *len, GError g_auto(teco_string_t) command; if (!reg->vtable->get_string(reg, &command.data, &command.len, NULL, error)) return FALSE; - if (teco_string_contains(&command, '\0')) { + if (teco_string_contains(command, '\0')) { teco_error_qregcontainsnull_set(error, reg_name, strlen(reg_name), FALSE); return FALSE; } @@ -1828,7 +1856,31 @@ teco_interface_refresh(gboolean force) wnoutrefresh(teco_interface.msg_window); teco_view_noutrefresh(teco_cmdline.view); teco_curses_info_popup_noutrefresh(&teco_interface.popup); + /* + * If hardware cursors (CARETSTYLE_CURSES) are enabled on the + * command-line view, make sure that the cursor is left + * in the correct position. + * + * FIXME: This shouldn't be necessary if we refreshed the command-line + * view last. Also, if we wanted to support the hardware cursor + * in the main view as well, we'd have to handle a possibly + * overlappig info popup. + */ + teco_view_update_cursor(teco_cmdline.view); doupdate(); + + /* + * Scinterm enables/disables the hardware cursor, + * but only if CARETSTYLE_CURSES is used. + * Disabling the cursor repeatedly ensures you can change + * the caret style interactively. + * It also makes sure the cursor is reset after + * teco_interface_getch(). + * Also, window resizes sometimes enable the hardware cursor on + * PDCurses/wincon (FIXME). + */ + if (!(teco_view_ssm(teco_cmdline.view, SCI_GETCARETSTYLE, 0, 0) & CARETSTYLE_CURSES)) + curs_set(0); } #if NCURSES_MOUSE_VERSION >= 2 @@ -1865,10 +1917,13 @@ teco_interface_process_mevent(MEVENT *event, GError **error) event->y, event->x); if (insert && machine->current->insert_completion_cb) { - /* successfully clicked popup item */ + /* + * Successfully clicked popup item. + * `insert` is the empty string for the "(Unnamed)" buffer. + */ const teco_string_t insert_suffix = {insert->data + teco_interface.popup_prefix_len, insert->len - teco_interface.popup_prefix_len}; - if (!machine->current->insert_completion_cb(machine, &insert_suffix, error)) + if (!machine->current->insert_completion_cb(machine, insert_suffix, error)) return FALSE; teco_interface_popup_clear(); @@ -1968,6 +2023,20 @@ teco_interface_process_mevent(MEVENT *event, GError **error) return teco_cmdline_keymacro("MOUSE", -1, error); } +#ifdef __PDCURSES__ + +static gboolean +teco_interface_getmouse(GError **error) +{ + MEVENT event; + + /* in contrast to ncurses, there is no separate mouse event queue */ + return getmouse(&event) != OK || + teco_interface_process_mevent(&event, error); +} + +#else /* __PDCURSES__ */ + static gboolean teco_interface_getmouse(GError **error) { @@ -1980,6 +2049,8 @@ teco_interface_getmouse(GError **error) return TRUE; } +#endif /* !__PDCURSES__ */ + #endif /* NCURSES_MOUSE_VERSION >= 2 */ static gint @@ -2001,7 +2072,8 @@ teco_interface_blocking_getch(void) gboolean new_mousekey = (teco_ed & TECO_ED_MOUSEKEY) != 0; if (new_mousekey != old_mousekey) { old_mousekey = new_mousekey; - mmask_t mmask = BUTTON_EVENT(PRESSED) | BUTTON_EVENT(RELEASED); + mmask_t mmask = BUTTON_EVENT(PRESSED) | BUTTON_EVENT(RELEASED) | + BUTTON_SHIFT | BUTTON_CTRL | BUTTON_ALT; #ifdef __PDCURSES__ /* * On PDCurses it's crucial NOT to mask for BUTTONX_CLICKED. @@ -2016,7 +2088,6 @@ teco_interface_blocking_getch(void) /* no special <CTRL/C> handling */ raw(); - nodelay(teco_interface.input_pad, FALSE); /* * Make sure we return when it's time to create recovery dumps. @@ -2027,6 +2098,8 @@ teco_interface_blocking_getch(void) gdouble elapsed = g_timer_elapsed(teco_interface.recovery_timer, NULL); wtimeout(teco_interface.input_pad, MAX((gdouble)teco_ring_recovery_interval - elapsed, 0)*1000); + } else { + wtimeout(teco_interface.input_pad, -1); } /* @@ -2038,7 +2111,7 @@ teco_interface_blocking_getch(void) teco_memory_start_limiting(); /* allow asynchronous interruptions on <CTRL/C> */ teco_interrupted = FALSE; - nodelay(teco_interface.input_pad, TRUE); + wtimeout(teco_interface.input_pad, 0); #if defined(CURSES_TTY) || defined(PDCURSES_WINCON) || defined(NCURSES_WIN32) noraw(); /* FIXME: necessary because of NCURSES_WIN32 bug */ cbreak(); @@ -2083,11 +2156,6 @@ teco_interface_event_loop_iter(void) return; #ifdef KEY_RESIZE case KEY_RESIZE: - /* - * At least on PDCurses/Wincon, the hardware cursor is sometimes - * reactivated. - */ - curs_set(0); teco_interface_resize_all_windows(); break; #endif |