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fix incorrect move cursor after left/right key pressed

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This commit is contained in:
Ilia Maslakov 2009-04-14 05:56:02 +00:00
parent b6ae0a2479
commit 4411af46bb
1 changed files with 48 additions and 20 deletions
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68
edit/edit.c
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@ -1242,6 +1242,14 @@ void edit_cursor_move (WEdit * edit, long increment)
{
/* this is the same as a combination of two of the above routines, with only one push onto the undo stack */
int c;
long curs1 = edit->curs1;
long curs2 = edit->curs2;
int cw = 1;
int char_step = 0;
/* one char move*/
if ( increment == -1 || increment == 1)
char_step = 1;
#ifdef FAST_MOVE_CURSOR
if (increment < -256) {
@ -1258,17 +1266,27 @@ void edit_cursor_move (WEdit * edit, long increment)
edit_push_action (edit, CURS_RIGHT);
c = edit_get_byte (edit, edit->curs1 - 1);
if (!((edit->curs2 + 1) & M_EDIT_BUF_SIZE))
edit->buffers2[(edit->curs2 + 1) >> S_EDIT_BUF_SIZE] = g_malloc (EDIT_BUF_SIZE);
edit->buffers2[edit->curs2 >> S_EDIT_BUF_SIZE][EDIT_BUF_SIZE - (edit->curs2 & M_EDIT_BUF_SIZE) - 1] = c;
edit->curs2++;
c = edit->buffers1[(edit->curs1 - 1) >> S_EDIT_BUF_SIZE][(edit->curs1 - 1) & M_EDIT_BUF_SIZE];
if (!((edit->curs1 - 1) & M_EDIT_BUF_SIZE)) {
g_free (edit->buffers1[edit->curs1 >> S_EDIT_BUF_SIZE]);
edit->buffers1[edit->curs1 >> S_EDIT_BUF_SIZE] = NULL;
cw = 1;
if ( edit->utf8 && char_step ) {
edit_get_prev_utf (edit, curs1, &cw);
if ( cw < 1 )
cw = 1;
}
edit->curs1--;
for ( int i = 1; i<= cw; i++ ) {
c = edit_get_byte (edit, curs1 - 1);
if (!((curs2 + 1) & M_EDIT_BUF_SIZE))
edit->buffers2[(curs2 + 1) >> S_EDIT_BUF_SIZE] = g_malloc (EDIT_BUF_SIZE);
edit->buffers2[edit->curs2 >> S_EDIT_BUF_SIZE][EDIT_BUF_SIZE - (curs2 & M_EDIT_BUF_SIZE) - 1] = c;
curs2++;
c = edit->buffers1[(curs1 - 1) >> S_EDIT_BUF_SIZE][(curs1 - 1) & M_EDIT_BUF_SIZE];
if (!((curs1 - 1) & M_EDIT_BUF_SIZE)) {
g_free (edit->buffers1[curs1 >> S_EDIT_BUF_SIZE]);
edit->buffers1[curs1 >> S_EDIT_BUF_SIZE] = NULL;
}
curs1--;
}
edit->curs1 = curs1;
edit->curs2 = curs2;
if (c == '\n') {
edit->curs_line--;
edit->force |= REDRAW_LINE_BELOW;
@ -1282,17 +1300,27 @@ void edit_cursor_move (WEdit * edit, long increment)
edit_push_action (edit, CURS_LEFT);
c = edit_get_byte (edit, edit->curs1);
if (!(edit->curs1 & M_EDIT_BUF_SIZE))
edit->buffers1[edit->curs1 >> S_EDIT_BUF_SIZE] = g_malloc (EDIT_BUF_SIZE);
edit->buffers1[edit->curs1 >> S_EDIT_BUF_SIZE][edit->curs1 & M_EDIT_BUF_SIZE] = c;
edit->curs1++;
c = edit->buffers2[(edit->curs2 - 1) >> S_EDIT_BUF_SIZE][EDIT_BUF_SIZE - ((edit->curs2 - 1) & M_EDIT_BUF_SIZE) - 1];
if (!(edit->curs2 & M_EDIT_BUF_SIZE)) {
g_free (edit->buffers2[edit->curs2 >> S_EDIT_BUF_SIZE]);
edit->buffers2[edit->curs2 >> S_EDIT_BUF_SIZE] = 0;
cw = 1;
if ( edit->utf8 && char_step ) {
edit_get_utf (edit, curs1, &cw);
if ( cw < 1 )
cw = 1;
}
edit->curs2--;
for ( int i = 1; i<= cw; i++ ) {
c = edit_get_byte (edit, curs1);
if (!(curs1 & M_EDIT_BUF_SIZE))
edit->buffers1[curs1 >> S_EDIT_BUF_SIZE] = g_malloc (EDIT_BUF_SIZE);
edit->buffers1[curs1 >> S_EDIT_BUF_SIZE][curs1 & M_EDIT_BUF_SIZE] = c;
curs1++;
c = edit->buffers2[(curs2 - 1) >> S_EDIT_BUF_SIZE][EDIT_BUF_SIZE - ((curs2 - 1) & M_EDIT_BUF_SIZE) - 1];
if (!(curs2 & M_EDIT_BUF_SIZE)) {
g_free (edit->buffers2[curs2 >> S_EDIT_BUF_SIZE]);
edit->buffers2[curs2 >> S_EDIT_BUF_SIZE] = 0;
}
curs2--;
}
edit->curs1 = curs1;
edit->curs2 = curs2;
if (c == '\n') {
edit->curs_line++;
edit->force |= REDRAW_LINE_ABOVE;