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[textarea] Do not allow fs->vpos to be negative. Refs #126

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It is rather a workaround.
This commit is contained in:
Witold Filipczyk 2021-09-01 19:56:47 +02:00
parent 12bb1ebbfa
commit a0eb60d4bc
1 changed files with 4 additions and 0 deletions
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4
src/viewer/text/textarea.c
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@ -276,6 +276,8 @@ area_cursor(struct el_form_control *fc, struct form_state *fs, int utf8)
int_bounds(&fs->vpos, x - fc->cols + 1, x);
int_bounds(&fs->vypos, y - fc->rows + 1, y);
if (fs->vpos < 0) fs->vpos = 0;
x -= fs->vpos;
y -= fs->vypos;
@ -311,6 +313,8 @@ area_cursor(struct el_form_control *fc, struct form_state *fs)
int_bounds(&fs->vpos, x - fc->cols + 1, x);
int_bounds(&fs->vypos, y - fc->rows + 1, y);
if (fs->vpos < 0) fs->vpos = 0;
x -= fs->vpos;
y -= fs->vypos;