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-rw-r--r--src/cmdline.c32
-rw-r--r--src/interface-curses/curses-info-popup.c32
-rw-r--r--src/interface-curses/curses-info-popup.h2
-rw-r--r--src/interface-curses/curses-utils.c16
-rw-r--r--src/interface-curses/curses-utils.h9
-rw-r--r--src/interface-curses/interface.c133
-rw-r--r--src/interface-gtk/interface.c31
-rw-r--r--src/interface.h2
-rw-r--r--src/main.c7
-rw-r--r--src/qreg.c6
-rw-r--r--src/ring.c7
-rw-r--r--src/string-utils.c10
12 files changed, 172 insertions, 115 deletions
diff --git a/src/cmdline.c b/src/cmdline.c
index fa69d91..b944b5e 100644
--- a/src/cmdline.c
+++ b/src/cmdline.c
@@ -99,6 +99,14 @@ teco_cmdline_init(void)
teco_cmdline_ssm(SCI_SETTABDRAWMODE, SCTD_CONTROLCHAR, 0);
/*
+ * FIXME: This works around a problem where the caret is not
+ * scrolled in multi-line mode after it wraps at the end of the
+ * line. You cannot scroll the command-line with the mouse, so the
+ * user won't see any difference.
+ */
+ teco_cmdline_ssm(SCI_SETENDATLASTLINE, FALSE, 0);
+
+ /*
* FIXME: Something resets the margin text, so we have to set it last.
*/
teco_cmdline_ssm(SCI_MARGINSETTEXT, 0, (sptr_t)"*");
@@ -162,12 +170,32 @@ teco_cmdline_insert(const gchar *data, gsize len, GError **error)
* Result of command line replacement (}):
* Exchange command lines
*/
+ g_clear_error(&tmp_error);
+
teco_qreg_t *cmdline_reg = teco_qreg_table_find(&teco_qreg_table_globals, "\e", 1);
g_auto(teco_string_t) new_cmdline = {NULL, 0};
if (!cmdline_reg->vtable->get_string(cmdline_reg, &new_cmdline.data, &new_cmdline.len,
- NULL, error))
+ NULL, &tmp_error)) {
+ teco_error_add_frame_toplevel();
+ teco_error_display_short(tmp_error);
+ g_propagate_error(error, g_steal_pointer(&tmp_error));
+ return FALSE;
+ }
+
+ /*
+ * SciTECO code must always be UTF-8, but you can smuggle arbitrary bytes
+ * into the "\e" register.
+ * This would be cumbersome to test for in teco_state_start_cmdline_pop().
+ */
+ if (!teco_string_validate_utf8(new_cmdline)) {
+ g_set_error_literal(&tmp_error, TECO_ERROR, TECO_ERROR_CODEPOINT,
+ "Invalid UTF-8 byte sequence in command-line replacement");
+ teco_error_add_frame_toplevel();
+ teco_error_display_short(tmp_error);
+ g_propagate_error(error, g_steal_pointer(&tmp_error));
return FALSE;
+ }
/*
* Search for first differing character in old and
@@ -229,7 +257,7 @@ teco_cmdline_insert(const gchar *data, gsize len, GError **error)
}
}
- /* error is handled in teco_cmdline_keypress_c() */
+ /* error is handled in teco_cmdline_keypress() */
g_propagate_error(error, g_steal_pointer(&tmp_error));
return FALSE;
}
diff --git a/src/interface-curses/curses-info-popup.c b/src/interface-curses/curses-info-popup.c
index edb6e15..83d4665 100644
--- a/src/interface-curses/curses-info-popup.c
+++ b/src/interface-curses/curses-info-popup.c
@@ -73,7 +73,7 @@ teco_curses_info_popup_add(teco_curses_info_popup_t *ctx, teco_popup_entry_type_
}
static void
-teco_curses_info_popup_init_pad(teco_curses_info_popup_t *ctx, attr_t attr)
+teco_curses_info_popup_init_pad(teco_curses_info_popup_t *ctx, attr_t attr, gshort pair)
{
int pad_lines; /**! pad height */
gint pad_cols; /**! entry columns */
@@ -102,11 +102,11 @@ teco_curses_info_popup_init_pad(teco_curses_info_popup_t *ctx, attr_t attr)
ctx->pad = newpad(pad_lines, COLS - 2);
/*
- * NOTE: attr could contain A_REVERSE on monochrome terminals,
+ * NOTE: attr could contain WA_REVERSE on monochrome terminals,
* so we use foreground attributes instead of background attributes.
- * This way, we can cancel out the A_REVERSE if necessary.
+ * This way, we can cancel out the WA_REVERSE if necessary.
*/
- wattrset(ctx->pad, attr);
+ wattr_set(ctx->pad, attr, pair, NULL);
teco_curses_clrtobot(ctx->pad);
/*
@@ -161,7 +161,7 @@ teco_curses_info_popup_init_pad(teco_curses_info_popup_t *ctx, attr_t attr)
}
void
-teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr)
+teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr, gshort pair)
{
if (!ctx->length)
/* nothing to display */
@@ -171,7 +171,7 @@ teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr)
delwin(ctx->window);
if (!ctx->pad)
- teco_curses_info_popup_init_pad(ctx, attr);
+ teco_curses_info_popup_init_pad(ctx, attr, pair);
gint pad_lines = getmaxy(ctx->pad);
/*
@@ -183,15 +183,17 @@ teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr)
/* window covers message, scintilla and info windows */
ctx->window = newwin(popup_lines, 0, LINES - teco_cmdline.height - popup_lines, 0);
- wattrset(ctx->window, attr);
+ wattr_set(ctx->window, attr, pair, NULL);
- wborder(ctx->window,
- ACS_VLINE,
- ACS_VLINE, /* may be overwritten with scrollbar */
- ACS_HLINE,
- ' ', /* no bottom line */
- ACS_ULCORNER, ACS_URCORNER,
- ACS_VLINE, ACS_VLINE);
+ /*
+ * NOTE: wborder() is broken for large pair numbers, at least on ncurses.
+ */
+ waddch(ctx->window, ACS_ULCORNER);
+ whline(ctx->window, ACS_HLINE, COLS - 2);
+ mvwaddch(ctx->window, 0, COLS - 1, ACS_URCORNER);
+ mvwvline(ctx->window, 1, 0, ACS_VLINE, getmaxy(ctx->window)-1);
+ /* may be overwritten with scrollbar */
+ mvwvline(ctx->window, 1, COLS - 1, ACS_VLINE, getmaxy(ctx->window)-1);
copywin(ctx->pad, ctx->window,
ctx->pad_first_line, 0,
@@ -214,7 +216,7 @@ teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr)
* Instead, simply draw reverse blanks.
*/
wmove(ctx->window, bar_y, COLS-1);
- wattrset(ctx->window, attr ^ A_REVERSE);
+ wattr_set(ctx->window, attr ^ WA_REVERSE, pair, NULL);
wvline(ctx->window, ' ', bar_height);
}
diff --git a/src/interface-curses/curses-info-popup.h b/src/interface-curses/curses-info-popup.h
index fd923e9..898ba70 100644
--- a/src/interface-curses/curses-info-popup.h
+++ b/src/interface-curses/curses-info-popup.h
@@ -49,7 +49,7 @@ teco_curses_info_popup_init(teco_curses_info_popup_t *ctx)
void teco_curses_info_popup_add(teco_curses_info_popup_t *ctx, teco_popup_entry_type_t type,
const gchar *name, gsize name_len, gboolean highlight);
-void teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr);
+void teco_curses_info_popup_show(teco_curses_info_popup_t *ctx, attr_t attr, gshort pair);
const teco_string_t *teco_curses_info_popup_getentry(teco_curses_info_popup_t *ctx, gint y, gint x);
void teco_curses_info_popup_scroll_page(teco_curses_info_popup_t *ctx);
void teco_curses_info_popup_scroll(teco_curses_info_popup_t *ctx, gint delta);
diff --git a/src/interface-curses/curses-utils.c b/src/interface-curses/curses-utils.c
index 875c332..3b25d56 100644
--- a/src/interface-curses/curses-utils.c
+++ b/src/interface-curses/curses-utils.c
@@ -53,9 +53,9 @@ teco_curses_format_str(WINDOW *win, const gchar *str, gsize len, gint max_width)
/*
* The entire background might be in reverse, especially
* on monochrome terminals.
- * In those cases, we have to __remove__ the A_REVERSE flag.
+ * In those cases, we have to __remove__ the WA_REVERSE flag.
*/
- attr_t attrs = A_NORMAL;
+ attr_t attrs = WA_NORMAL;
short pair = 0;
wattr_get(win, &attrs, &pair, NULL);
@@ -81,28 +81,28 @@ teco_curses_format_str(WINDOW *win, const gchar *str, gsize len, gint max_width)
chars_added++;
if (chars_added > max_width)
goto truncate;
- wattr_set(win, attrs ^ A_REVERSE, pair, NULL);
+ wattr_set(win, attrs ^ WA_REVERSE, pair, NULL);
waddch(win, '$');
break;
case '\r':
chars_added += 2;
if (chars_added > max_width)
goto truncate;
- wattr_set(win, attrs ^ A_REVERSE, pair, NULL);
+ wattr_set(win, attrs ^ WA_REVERSE, pair, NULL);
waddstr(win, "CR");
break;
case '\n':
chars_added += 2;
if (chars_added > max_width)
goto truncate;
- wattr_set(win, attrs ^ A_REVERSE, pair, NULL);
+ wattr_set(win, attrs ^ WA_REVERSE, pair, NULL);
waddstr(win, "LF");
break;
case '\t':
chars_added += 3;
if (chars_added > max_width)
goto truncate;
- wattr_set(win, attrs ^ A_REVERSE, pair, NULL);
+ wattr_set(win, attrs ^ WA_REVERSE, pair, NULL);
waddstr(win, "TAB");
break;
default:
@@ -110,7 +110,7 @@ teco_curses_format_str(WINDOW *win, const gchar *str, gsize len, gint max_width)
chars_added += 2;
if (chars_added > max_width)
goto truncate;
- wattr_set(win, attrs ^ A_REVERSE, pair, NULL);
+ wattr_set(win, attrs ^ WA_REVERSE, pair, NULL);
waddch(win, '^');
waddch(win, TECO_CTL_ECHO(*str));
} else {
@@ -126,7 +126,7 @@ teco_curses_format_str(WINDOW *win, const gchar *str, gsize len, gint max_width)
waddnstr(win, str, clen);
}
}
- /* restore original state of A_REVERSE */
+ /* restore original state of WA_REVERSE */
wattr_set(win, attrs, pair, NULL);
str += clen;
diff --git a/src/interface-curses/curses-utils.h b/src/interface-curses/curses-utils.h
index 97fc1cc..c6d9d8d 100644
--- a/src/interface-curses/curses-utils.h
+++ b/src/interface-curses/curses-utils.h
@@ -27,15 +27,12 @@ guint teco_curses_format_str(WINDOW *win, const gchar *str, gsize len, gint max_
guint teco_curses_format_filename(WINDOW *win, const gchar *filename, gint max_width);
-/**
- * Add Unicode character to window.
- * This is just like wadd_wch(), but does not require wide-char APIs.
- */
+/** Add Unicode character to window. */
static inline void
teco_curses_add_wc(WINDOW *win, gunichar chr)
{
- gchar buf[6];
- waddnstr(win, buf, g_unichar_to_utf8(chr, buf));
+ wchar_t wc = chr;
+ waddnwstr(win, &wc, 1);
}
/**
diff --git a/src/interface-curses/interface.c b/src/interface-curses/interface.c
index 94501cb..45821f9 100644
--- a/src/interface-curses/interface.c
+++ b/src/interface-curses/interface.c
@@ -232,47 +232,19 @@ 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).
- *
- * @note Scinterm now also has scintilla_set_color_offsets(),
- * so we could use the lower 127 color pairs as well.
+ * Since curses does not guarantee any number of color pairs, we cannot do that either.
+ * Instead we allocate color pairs in the first half of
+ * color pair space on demand, while the second half is reserved to Scinterm.
*
+ * @param attr attributes to modify (for supporting monochrome terminals)
* @param fg curses foreground color
* @param bg curses background color
* @return curses color pair number
*/
static gshort
-teco_color_pair(gshort fg, gshort bg)
+teco_color_pair(attr_t *attr, gshort fg, gshort bg)
{
- static gshort last_pair = 127;
-
- G_STATIC_ASSERT(sizeof(gshort)*2 <= sizeof(guint));
- gpointer key = GUINT_TO_POINTER(((guint)fg << 16) | 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;
-}
-
-/**
- * Curses attribute for the color combination
- * according to the color pairs initialized by
- * Scinterm.
- * This is equivalent to Scinterm's internal term_color_attr().
- *
- * @param fg foreground color
- * @param bg background color
- * @return curses attribute
- */
-static inline attr_t
-teco_color_attr(gshort fg, gshort bg)
-{
- if (has_colors())
- return COLOR_PAIR(teco_color_pair(fg, bg));
+ static guint next_pair = 1;
/*
* Basic support for monochrome terminals:
@@ -281,7 +253,29 @@ teco_color_attr(gshort fg, gshort bg)
* This will at least work with the terminal.tes and contrast.tes
* color schemes.
*/
- return bg != COLOR_BLACK ? A_REVERSE : 0;
+ if (!has_colors()) {
+ if (bg != COLOR_BLACK)
+ *attr |= WA_REVERSE;
+ return 0;
+ }
+
+ G_STATIC_ASSERT(sizeof(gshort)*2 <= sizeof(guint));
+ 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);
+ if (G_UNLIKELY(next_pair >= COLOR_PAIRS || next_pair > G_MAXSHORT))
+ return 0;
+ init_pair(next_pair, fg, bg);
+ g_hash_table_insert(teco_interface.pair_table, key, GUINT_TO_POINTER(next_pair));
+ return next_pair++;
+}
+
+static inline gint
+teco_wattr_set(WINDOW *win, attr_t attr, gshort fg, gshort bg)
+{
+ gshort pair = teco_color_pair(&attr, fg, bg);
+ return wattr_set(win, attr, pair, NULL);
}
/**
@@ -435,7 +429,7 @@ static void teco_interface_set_window_title(const gchar *title);
static void teco_interface_draw_info(void);
void
-teco_interface_init(void)
+teco_interface_init(gint argc, gchar **argv)
{
for (guint i = 0; i < G_N_ELEMENTS(teco_interface.color_table); i++)
teco_interface.color_table[i] = -1;
@@ -449,7 +443,7 @@ teco_interface_init(void)
teco_cmdline_init();
/*
* The default INDIC_STRIKE wouldn't be visible.
- * Instead we use INDIC_SQUIGGLE, which is rendered as A_UNDERLINE.
+ * Instead we use INDIC_SQUIGGLE, which is rendered as WA_UNDERLINE.
*/
teco_cmdline_ssm(SCI_INDICSETSTYLE, INDICATOR_RUBBEDOUT, INDIC_SQUIGGLE);
/*
@@ -752,6 +746,12 @@ teco_interface_init_interactive(GError **error)
teco_interface.pair_table = g_hash_table_new(g_direct_hash, g_direct_equal);
start_color();
+ /*
+ * Scinterm uses shorts for color pairs, so G_MAXSHORT is the maximum.
+ * Some Curses implementations (NetBSD, PDCurses) may support less,
+ * but set COLOR_PAIRS accordingly.
+ */
+ scintilla_set_color_offsets(0, MIN(COLOR_PAIRS, G_MAXSHORT)/2);
/*
* On UNIX terminals, the escape key is usually
@@ -942,7 +942,7 @@ teco_interface_msg_literal(teco_msg_t type, const gchar *str, gsize len)
teco_interface_stdio_msg(type, str, len);
#endif
- short fg, bg;
+ gshort fg, bg;
fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
@@ -964,7 +964,7 @@ teco_interface_msg_literal(teco_msg_t type, const gchar *str, gsize len)
}
wmove(teco_interface.msg_window, 0, 0);
- wattrset(teco_interface.msg_window, teco_color_attr(fg, bg));
+ teco_wattr_set(teco_interface.msg_window, 0, fg, bg);
teco_curses_format_str(teco_interface.msg_window, str, len, -1);
teco_curses_clrtobot(teco_interface.msg_window);
}
@@ -975,11 +975,11 @@ teco_interface_msg_clear(void)
if (!teco_interface.input_pad) /* batch mode */
return;
- short fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
- short bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_DEFAULT, 0));
+ gshort fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
+ gshort bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_DEFAULT, 0));
wmove(teco_interface.msg_window, 0, 0);
- wattrset(teco_interface.msg_window, teco_color_attr(fg, bg));
+ teco_wattr_set(teco_interface.msg_window, 0, fg, bg);
teco_curses_clrtobot(teco_interface.msg_window);
}
@@ -993,10 +993,11 @@ 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;
@@ -1023,7 +1024,6 @@ teco_interface_getch(gboolean widechar)
i = 0;
} while (cp < 0);
- curs_set(0);
return cp;
}
@@ -1153,11 +1153,11 @@ teco_interface_draw_info(void)
* the current buffer's STYLE_DEFAULT.
* The same style is used for MSG_USER messages.
*/
- short fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
- short bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_DEFAULT, 0));
+ gshort fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_DEFAULT, 0));
+ gshort bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_DEFAULT, 0));
wmove(teco_interface.info_window, 0, 0);
- wattrset(teco_interface.info_window, teco_color_attr(fg, bg));
+ teco_wattr_set(teco_interface.info_window, 0, fg, bg);
const gchar *info_type_str;
@@ -1726,11 +1726,13 @@ teco_interface_popup_show(gsize prefix_len)
/* batch mode */
return;
- short fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_CALLTIP, 0));
- short bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_CALLTIP, 0));
+ gshort fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_CALLTIP, 0));
+ gshort bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_CALLTIP, 0));
teco_interface.popup_prefix_len = prefix_len;
- teco_curses_info_popup_show(&teco_interface.popup, teco_color_attr(fg, bg));
+ attr_t attr = 0;
+ gshort pair = teco_color_pair(&attr, fg, bg);
+ teco_curses_info_popup_show(&teco_interface.popup, attr, pair);
}
void
@@ -1837,16 +1839,6 @@ teco_interface_refresh(gboolean force)
clearok(curscr, TRUE);
/*
- * Let Scinterm enable/disable the hardware cursor
- * based on the CARETSTYLE_CURSES.
- * Doing this repeatedly ensures you can change the
- * caret style interactively.
- * Also, window resizes enable the cursor on PDCurses/wincon
- * sometimes (FIXME).
- */
- curs_set(0);
-
- /*
* Info window is updated very often which is very
* costly, especially when using PDC_set_title(),
* so we redraw it here, where the overhead does
@@ -1870,6 +1862,19 @@ teco_interface_refresh(gboolean force)
*/
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
@@ -1927,9 +1932,11 @@ teco_interface_process_mevent(MEVENT *event, GError **error)
else if (event->bstate & BUTTON_NUM(5))
teco_curses_info_popup_scroll(&teco_interface.popup, +2);
- short fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_CALLTIP, 0));
- short bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_CALLTIP, 0));
- teco_curses_info_popup_show(&teco_interface.popup, teco_color_attr(fg, bg));
+ gshort fg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETFORE, STYLE_CALLTIP, 0));
+ gshort bg = teco_rgb2curses(teco_interface_ssm(SCI_STYLEGETBACK, STYLE_CALLTIP, 0));
+ attr_t attr = 0;
+ gshort pair = teco_color_pair(&attr, fg, bg);
+ teco_curses_info_popup_show(&teco_interface.popup, attr, pair);
return TRUE;
}
diff --git a/src/interface-gtk/interface.c b/src/interface-gtk/interface.c
index ace3a2f..08ccf5d 100644
--- a/src/interface-gtk/interface.c
+++ b/src/interface-gtk/interface.c
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <string.h>
#include <signal.h>
+#include <unistd.h>
#include <glib.h>
#include <glib/gprintf.h>
@@ -132,10 +133,10 @@ static struct {
} teco_interface;
void
-teco_interface_init(void)
+teco_interface_init(gint argc, gchar **argv)
{
#ifdef G_OS_UNIX
- if (teco_interface.detach) {
+ if (teco_interface.detach && !g_getenv("__SCITECO_DETACHED")) {
/*
* NOTE: There is also daemon() on BSD/Linux,
* but the following should be more portable.
@@ -148,9 +149,29 @@ teco_interface_init(void)
setsid();
- g_freopen("/dev/null", "r", stdin);
- g_freopen("/dev/null", "a+", stdout);
- g_freopen("/dev/null", "a+", stderr);
+ if (isatty(0)) {
+ G_GNUC_UNUSED FILE *stdin_new = g_freopen("/dev/null", "r", stdin);
+ g_assert(stdin_new != NULL);
+ }
+ if (isatty(1)) {
+ G_GNUC_UNUSED FILE *stdout_new = g_freopen("/dev/null", "a+", stdout);
+ g_assert(stdout_new != NULL);
+ }
+ if (isatty(2)) {
+ G_GNUC_UNUSED FILE *stderr_new = g_freopen("/dev/null", "a+", stderr);
+ g_assert(stderr_new != NULL);
+ }
+
+ /*
+ * gtk_get_option_group() already initialized GTK and even though the
+ * display is not yet opened, it's unsafe to continue.
+ * Instead, we re-exec already in the child process.
+ * We cannot easily remove --detach from argv, but still guard against
+ * recursive forks by using an environment variable.
+ */
+ g_setenv("__SCITECO_DETACHED", "1", TRUE);
+ execv(argv[0], argv);
+ g_assert_not_reached();
}
#endif
diff --git a/src/interface.h b/src/interface.h
index f196a83..54f807b 100644
--- a/src/interface.h
+++ b/src/interface.h
@@ -51,7 +51,7 @@
extern teco_view_t *teco_interface_current_view;
/** @pure */
-void teco_interface_init(void);
+void teco_interface_init(gint argc, gchar **argv);
/** @pure */
GOptionGroup *teco_interface_get_options(void);
diff --git a/src/main.c b/src/main.c
index 4d46817..8bc02f1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,7 +54,7 @@
/*
* Define this to pause the program at the beginning
- * of main() (Windows only).
+ * of main().
* This is a useful hack on Windows, where gdbserver
* sometimes refuses to start SciTECO but attaches
* to a running process just fine.
@@ -382,8 +382,7 @@ main(int argc, char **argv)
#endif
#ifdef DEBUG_PAUSE
- /* Windows debugging hack (see above) */
- system("pause");
+ getchar();
#endif
signal(SIGINT, teco_sigint_handler);
@@ -445,7 +444,7 @@ main(int argc, char **argv)
*/
teco_qreg_table_init(&teco_qreg_table_globals, TRUE);
- teco_interface_init();
+ teco_interface_init(argc, argv);
/*
* QRegister view must be initialized only now
diff --git a/src/qreg.c b/src/qreg.c
index 4cf92f0..8ef82c0 100644
--- a/src/qreg.c
+++ b/src/qreg.c
@@ -1694,11 +1694,7 @@ teco_machine_qregspec_auto_complete(teco_machine_qregspec_t *ctx, teco_string_t
/* two-letter Q-Reg */
restrict_len = 2;
- /*
- * FIXME: This is not quite right as it will propose even
- * lower case single or two-letter Q-Register names.
- */
- return teco_rb3str_auto_complete(&ctx->result_table->tree, !restrict_len,
+ return teco_rb3str_auto_complete(&ctx->result_table->tree, TRUE,
ctx->name.data, ctx->name.len, restrict_len, insert) &&
ctx->nesting == 1;
}
diff --git a/src/ring.c b/src/ring.c
index 2445718..5eb16e6 100644
--- a/src/ring.c
+++ b/src/ring.c
@@ -731,13 +731,18 @@ teco_state_read_file_done(teco_machine_main_t *ctx, teco_string_t str, GError **
return &teco_state_start;
sptr_t pos = teco_interface_ssm(SCI_GETCURRENTPOS, 0, 0);
+ teco_undo_int(teco_ranges[0].from) = teco_interface_bytes2glyphs(pos);
g_autofree gchar *filename = teco_file_expand_path(str.data);
/* FIXME: Add wrapper to interface.h? */
if (!teco_view_load(teco_interface_current_view, filename, FALSE, error))
return NULL;
- if (teco_interface_ssm(SCI_GETCURRENTPOS, 0, 0) != pos) {
+ pos = teco_interface_ssm(SCI_GETCURRENTPOS, 0, 0);
+ teco_undo_int(teco_ranges[0].to) = teco_interface_bytes2glyphs(pos);
+ teco_undo_guint(teco_ranges_count) = 1;
+
+ if (teco_ranges[0].from != teco_ranges[0].to) {
teco_ring_dirtify();
if (teco_current_doc_must_undo())
diff --git a/src/string-utils.c b/src/string-utils.c
index e9dd148..d98b6b0 100644
--- a/src/string-utils.c
+++ b/src/string-utils.c
@@ -87,8 +87,10 @@ teco_string_get_coord(const gchar *str, gsize off, guint *pos, guint *line, guin
}
/**
- * Get the length of the prefix common to two strings.
- * Works with UTF-8 and single-byte encodings.
+ * Get the length of the prefix common to two UTF-8 strings.
+ *
+ * The UTF-8 strings must be validated, which should be the case
+ * for help labels and short Q-Register names.
*
* @param a Left string.
* @param b Right string.
@@ -103,8 +105,8 @@ teco_string_diff(teco_string_t a, const gchar *b, gsize b_len)
gsize len = 0;
while (len < a.len && len < b_len &&
- a.data[len] == b[len])
- len++;
+ g_utf8_get_char(a.data+len) == g_utf8_get_char(b+len))
+ len = g_utf8_next_char(b+len) - b;
return len;
}