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add forward/backword WORD motion

This commit is contained in:
Daniel Micay 2012-09-08 01:10:29 -04:00
parent ad861b7224
commit 27e6fba2ef
2 changed files with 85 additions and 0 deletions
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2
README.rst
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@ -41,6 +41,8 @@ COMMAND MODE
+------------------------+-----------------------------------------------------------+
| ``w``/``b`` | forward/backward word |
+------------------------+-----------------------------------------------------------+
| ``W``/``B`` | forward/backward WORD (non-whitespace) |
+------------------------+-----------------------------------------------------------+
| ``$`` | end-of-line |
+------------------------+-----------------------------------------------------------+
| ``^`` | beginning-of-line |

83
termite.cc
View File

@ -237,6 +237,44 @@ static void move_backward_word(VteTerminal *vte, select_info *select) {
g_free(content);
}
static void move_backward_blank_word(VteTerminal *vte, select_info *select) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
char *content = vte_terminal_get_text_range(vte, cursor_row, 0,
cursor_row, cursor_col,
NULL, NULL, NULL);
if (!content) {
return;
}
glong length;
gunichar *codepoints = g_utf8_to_ucs4(content, -1, NULL, &length, NULL);
if (!codepoints) {
return;
}
bool in_word = false;
for (gunichar *c = codepoints + length - 2; c > codepoints; c--) {
if (g_unichar_isspace(*(c - 1))) {
if (in_word) {
break;
}
} else {
in_word = true;
}
cursor_col--;
}
vte_terminal_set_cursor_position(vte, cursor_col, cursor_row);
update_selection(vte, select);
g_free(codepoints);
g_free(content);
}
static void move_forward_word(VteTerminal *vte, select_info *select) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
@ -276,6 +314,45 @@ static void move_forward_word(VteTerminal *vte, select_info *select) {
g_free(content);
}
static void move_forward_blank_word(VteTerminal *vte, select_info *select) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
const long end_col = vte_terminal_get_column_count(vte) - 1;
char *content = vte_terminal_get_text_range(vte, cursor_row, cursor_col,
cursor_row, end_col,
NULL, NULL, NULL);
if (!content) {
return;
}
gunichar *codepoints = g_utf8_to_ucs4(content, -1, NULL, NULL, NULL);
if (!codepoints) {
return;
}
bool end_of_word = false;
for (gunichar *c = codepoints; *c != 0; c++) {
if (!g_unichar_isspace(*c)) {
if (end_of_word) {
break;
}
} else {
end_of_word = true;
}
cursor_col++;
}
vte_terminal_set_cursor_position(vte, cursor_col, cursor_row);
update_selection(vte, select);
g_free(codepoints);
g_free(content);
}
static void set_cursor_column(VteTerminal *vte, const select_info *select, long column) {
long cursor_row;
vte_terminal_get_cursor_position(vte, nullptr, &cursor_row);
@ -319,9 +396,15 @@ gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, keybind_info *info)
case GDK_KEY_b:
move_backward_word(vte, &info->select);
break;
case GDK_KEY_B:
move_backward_blank_word(vte, &info->select);
break;
case GDK_KEY_w:
move_forward_word(vte, &info->select);
break;
case GDK_KEY_W:
move_forward_blank_word(vte, &info->select);
break;
case GDK_KEY_asciicircum:
set_cursor_column(vte, &info->select, 0);
break;