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[bim] Ctrl-Left, Ctrl-Right

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This commit is contained in:
K. Lange 2018-08-18 18:01:53 +09:00
parent 3c7d79b695
commit 482fe9280b
1 changed files with 99 additions and 0 deletions
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99
apps/bim.c
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@ -1862,6 +1862,27 @@ void place_cursor_actual(void) {
/* y is a bit easier to calculate */
int y = env->line_no - env->offset + 1;
int needs_redraw = 0;
while (y < 2) {
y++;
env->offset--;
needs_redraw = 1;
}
while (y > term_height - env->bottom_size) {
y--;
env->offset++;
needs_redraw = 1;
}
if (needs_redraw) {
redraw_text();
redraw_tabbar();
redraw_statusbar();
redraw_commandline();
}
/* If the cursor has gone off screen to the right... */
if (x > term_width - 1) {
/* Adjust the offset appropriately to scroll horizontally */
@ -3161,14 +3182,89 @@ void insert_char(unsigned int c) {
* Move the cursor the start of the previous word.
*/
void word_left(void) {
int line_no = env->line_no;
int col_no = env->col_no;
do {
col_no--;
if (col_no == 0) {
line_no--;
if (line_no == 0) {
goto_line(1);
return;
}
col_no = env->lines[line_no-1]->actual + 1;
}
} while (isspace(env->lines[line_no-1]->text[col_no-1].codepoint));
do {
col_no--;
if (col_no == 0) {
line_no--;
if (line_no == 0) {
goto_line(1);
return;
}
col_no = env->lines[line_no-1]->actual + 1;
}
if (col_no == 1) {
env->col_no = 1;
env->line_no = line_no;
redraw_statusbar();
place_cursor_actual();
return;
}
} while (!isspace(env->lines[line_no-1]->text[col_no-1].codepoint));
env->col_no = col_no;
env->line_no = line_no;
cursor_right();
}
/**
* Word right
*/
void word_right(void) {
int line_no = env->line_no;
int col_no = env->col_no;
do {
col_no++;
if (col_no >= env->lines[line_no-1]->actual + 1) {
line_no++;
if (line_no >= env->line_count) {
env->col_no = env->lines[env->line_count-1]->actual;
env->line_no = env->line_count;
redraw_statusbar();
place_cursor_actual();
return;
}
col_no = 0;
break;
}
} while (!isspace(env->lines[line_no-1]->text[col_no-1].codepoint));
do {
col_no++;
if (col_no >= env->lines[line_no-1]->actual + 1) {
line_no++;
if (line_no >= env->line_count) {
env->col_no = env->lines[env->line_count-1]->actual;
env->line_no = env->line_count;
redraw_statusbar();
place_cursor_actual();
return;
}
col_no = 1;
break;
}
} while (isspace(env->lines[line_no-1]->text[col_no-1].codepoint));
env->col_no = col_no;
env->line_no = line_no;
redraw_statusbar();
place_cursor_actual();
return;
}
void handle_escape(int * this_buf, int * timeout, char c) {
@ -3489,6 +3585,9 @@ _insert:
redraw_commandline();
timeout = 0;
break;
case 12:
redraw_all();
break;
}
} else {
handle_escape(this_buf,&timeout,c);