#include <langinfo.h>
#include <iconv.h>
+/* ncurses(3): Must be defined to have extended wide-character functions. */
+#define _XOPEN_SOURCE_EXTENDED
+
#include <curses.h>
#if __GNUC__ >= 3
static void report(const char *msg, ...);
static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t));
static void set_nonblocking_input(bool loading);
-static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed);
+static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve);
#define ABS(x) ((x) >= 0 ? (x) : -(x))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
"git ls-remote $(git rev-parse --git-dir) 2>/dev/null"
#define TIG_DIFF_CMD \
- "git show --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null"
+ "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null"
#define TIG_LOG_CMD \
"git log --no-color --cc --stat -n100 %s 2>/dev/null"
static char opt_search[SIZEOF_STR] = "";
static char opt_cdup[SIZEOF_STR] = "";
static char opt_git_dir[SIZEOF_STR] = "";
-static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
+static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
static char opt_editor[SIZEOF_STR] = "";
enum option_type {
#define view_is_displayed(view) \
(view == display[0] || view == display[1])
+static int
+draw_text(struct view *view, const char *string, int max_len, int col,
+ bool use_tilde, int tilde_attr)
+{
+ int n;
+
+ n = 0;
+ if (max_len > 0) {
+ int len;
+ int trimmed = FALSE;
+
+ if (opt_utf8) {
+ len = utf8_length(string, max_len, &trimmed, use_tilde);
+ n = len;
+ } else {
+ len = strlen(string);
+ if (len > max_len) {
+ if (use_tilde) {
+ max_len -= 1;
+ }
+ len = max_len;
+ trimmed = TRUE;
+ }
+ n = len;
+ }
+ waddnstr(view->win, string, n);
+ if (trimmed && use_tilde) {
+ if (tilde_attr != -1)
+ wattrset(view->win, tilde_attr);
+ waddch(view->win, '~');
+ n++;
+ }
+ }
+
+ return n;
+}
+
static bool
draw_view_line(struct view *view, unsigned int lineno)
{
{
char *text = line->data;
enum line_type type = line->type;
- int textlen = strlen(text);
int attr;
wmove(view->win, lineno, 0);
}
} else {
- int col = 0, pos = 0;
-
- for (; pos < textlen && col < view->width; pos++, col++)
- if (text[pos] == '\t')
- col += TABSIZE - (col % TABSIZE) - 1;
+ int tilde_attr = get_line_attr(LINE_MAIN_DELIM);
- waddnstr(view->win, text, pos);
+ draw_text(view, text, view->width, 0, TRUE, tilde_attr);
}
return TRUE;
add_pager_refs(struct view *view, struct line *line)
{
char buf[SIZEOF_STR];
- char *commit_id = line->data + STRING_SIZE("commit ");
+ char *commit_id = (char *)line->data + STRING_SIZE("commit ");
struct ref **refs;
size_t bufpos = 0, refpos = 0;
const char *sep = "Refs: ";
pager_select(struct view *view, struct line *line)
{
if (line->type == LINE_COMMIT) {
- char *text = line->data + STRING_SIZE("commit ");
+ char *text = (char *)line->data + STRING_SIZE("commit ");
if (view != VIEW(REQ_VIEW_PAGER))
string_copy_rev(view->ref, text);
static void
tree_select(struct view *view, struct line *line)
{
- char *text = line->data + STRING_SIZE("100644 blob ");
+ char *text = (char *)line->data + STRING_SIZE("100644 blob ");
if (line->type == LINE_TREE_FILE) {
string_copy_rev(ref_blob, text);
status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
{
struct status *status = line->data;
+ int tilde_attr = get_line_attr(LINE_MAIN_DELIM);
wmove(view->win, lineno, 0);
if (selected) {
wattrset(view->win, get_line_attr(LINE_CURSOR));
wchgat(view->win, -1, 0, LINE_CURSOR, NULL);
+ tilde_attr = -1;
} else if (!status && line->type != LINE_STAT_NONE) {
wattrset(view->win, get_line_attr(LINE_STAT_SECTION));
return FALSE;
}
- waddstr(view->win, text);
+ draw_text(view, text, view->width, 0, TRUE, tilde_attr);
return TRUE;
}
if (!selected)
wattrset(view->win, A_NORMAL);
wmove(view->win, lineno, 4);
- waddstr(view->win, status->new.name);
+ if (view->width < 5)
+ return TRUE;
+ draw_text(view, status->new.name, view->width - 5, 5, TRUE, tilde_attr);
return TRUE;
}
enum line_type type;
int col = 0;
size_t timelen;
- size_t authorlen;
- int trimmed = 1;
+ int tilde_attr;
+ int space;
if (!*commit->author)
return FALSE;
+ space = view->width;
wmove(view->win, lineno, col);
if (selected) {
type = LINE_CURSOR;
wattrset(view->win, get_line_attr(type));
wchgat(view->win, -1, 0, type, NULL);
-
+ tilde_attr = -1;
} else {
type = LINE_MAIN_COMMIT;
wattrset(view->win, get_line_attr(LINE_MAIN_DATE));
+ tilde_attr = get_line_attr(LINE_MAIN_DELIM);
}
- timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time);
- waddnstr(view->win, buf, timelen);
- waddstr(view->win, " ");
+ {
+ int n;
- col += DATE_COLS;
- wmove(view->win, lineno, col);
- if (type != LINE_CURSOR)
- wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR));
+ timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time);
+ n = draw_text(
+ view, buf, view->width - col, col, FALSE, tilde_attr);
+ draw_text(
+ view, " ", view->width - col - n, col + n, FALSE,
+ tilde_attr);
- if (opt_utf8) {
- authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed);
- } else {
- authorlen = strlen(commit->author);
- if (authorlen > AUTHOR_COLS - 2) {
- authorlen = AUTHOR_COLS - 2;
- trimmed = 1;
- }
+ col += DATE_COLS;
+ wmove(view->win, lineno, col);
+ if (col >= view->width)
+ return TRUE;
}
+ if (type != LINE_CURSOR)
+ wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR));
- if (trimmed) {
- waddnstr(view->win, commit->author, authorlen);
- if (type != LINE_CURSOR)
- wattrset(view->win, get_line_attr(LINE_MAIN_DELIM));
- waddch(view->win, '~');
- } else {
- waddstr(view->win, commit->author);
+ {
+ int max_len;
+
+ max_len = view->width - col;
+ if (max_len > AUTHOR_COLS - 1)
+ max_len = AUTHOR_COLS - 1;
+ draw_text(
+ view, commit->author, max_len, col, TRUE, tilde_attr);
+ col += AUTHOR_COLS;
+ if (col >= view->width)
+ return TRUE;
}
- col += AUTHOR_COLS;
-
if (opt_rev_graph && commit->graph_size) {
+ size_t graph_size = view->width - col;
size_t i;
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH));
wmove(view->win, lineno, col);
+ if (graph_size > commit->graph_size)
+ graph_size = commit->graph_size;
/* Using waddch() instead of waddnstr() ensures that
* they'll be rendered correctly for the cursor line. */
- for (i = 0; i < commit->graph_size; i++)
+ for (i = 0; i < graph_size; i++)
waddch(view->win, commit->graph[i]);
- waddch(view->win, ' ');
col += commit->graph_size + 1;
+ if (col >= view->width)
+ return TRUE;
+ waddch(view->win, ' ');
}
if (type != LINE_CURSOR)
wattrset(view->win, A_NORMAL);
wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE));
else
wattrset(view->win, get_line_attr(LINE_MAIN_REF));
- waddstr(view->win, "[");
- waddstr(view->win, commit->refs[i]->name);
- waddstr(view->win, "]");
+
+ col += draw_text(
+ view, "[", view->width - col, col, TRUE,
+ tilde_attr);
+ col += draw_text(
+ view, commit->refs[i]->name, view->width - col,
+ col, TRUE, tilde_attr);
+ col += draw_text(
+ view, "]", view->width - col, col, TRUE,
+ tilde_attr);
if (type != LINE_CURSOR)
wattrset(view->win, A_NORMAL);
- waddstr(view->win, " ");
- col += strlen(commit->refs[i]->name) + STRING_SIZE("[] ");
+ col += draw_text(
+ view, " ", view->width - col, col, TRUE,
+ tilde_attr);
+ if (col >= view->width)
+ return TRUE;
} while (commit->refs[i++]->next);
}
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(type));
- {
- int titlelen = strlen(commit->title);
-
- if (col + titlelen > view->width)
- titlelen = view->width - col;
-
- waddnstr(view->win, commit->title, titlelen);
- }
+ col += draw_text(
+ view, commit->title, view->width - col, col, TRUE, tilde_attr);
return TRUE;
}
|| (c >= 0x30000 && c <= 0x3fffd)))
return 2;
+ if (c == '\t')
+ return opt_tab_size;
+
return 1;
}
/* Calculates how much of string can be shown within the given maximum width
* and sets trimmed parameter to non-zero value if all of string could not be
- * shown.
- *
- * Additionally, adds to coloffset how many many columns to move to align with
- * the expected position. Takes into account how multi-byte and double-width
- * characters will effect the cursor position.
+ * shown. If the reserve flag is TRUE, it will reserve at least one
+ * trailing character, which can be useful when drawing a delimiter.
*
* Returns the number of bytes to output from string to satisfy max_width. */
static size_t
-utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed)
+utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve)
{
const char *start = string;
const char *end = strchr(string, '\0');
- size_t mbwidth = 0;
+ unsigned char last_bytes = 0;
size_t width = 0;
*trimmed = 0;
width += ucwidth;
if (width > max_width) {
*trimmed = 1;
+ if (reserve && width - ucwidth == max_width) {
+ string -= last_bytes;
+ }
break;
}
- /* The column offset collects the differences between the
- * number of bytes encoding a character and the number of
- * columns will be used for rendering said character.
- *
- * So if some character A is encoded in 2 bytes, but will be
- * represented on the screen using only 1 byte this will and up
- * adding 1 to the multi-byte column offset.
- *
- * Assumes that no double-width character can be encoding in
- * less than two bytes. */
- if (bytes > ucwidth)
- mbwidth += bytes - ucwidth;
-
string += bytes;
+ last_bytes = bytes;
}
- *coloffset += mbwidth;
-
return string - start;
}
~mdw / tig / blobdiff