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selection: make sure posx and posy are valid #33

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selection: make sure posx and posy are valid #33

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15 changes: 15 additions & 0 deletions src/tsm/tsm-selection.c
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,11 @@ void tsm_screen_selection_start(struct tsm_screen *con,
/* TODO: more sophisticated ageing */
con->age = con->age_cnt;

if (posx >= con->size_x)
posx = con->size_x - 1;
if (posy >= con->size_y)
posy = con->size_y - 1;

con->sel_active = true;
selection_set(con, &con->sel_start, posx, posy);
memcpy(&con->sel_end, &con->sel_start, sizeof(con->sel_end));
Expand All @@ -161,6 +166,11 @@ void tsm_screen_selection_target(struct tsm_screen *con,
/* TODO: more sophisticated ageing */
con->age = con->age_cnt;

if (posx >= con->size_x)
posx = con->size_x - 1;
if (posy >= con->size_y)
posy = con->size_y - 1;

selection_set(con, &con->sel_end, posx, posy);
}

Expand All @@ -176,6 +186,11 @@ void tsm_screen_selection_word(struct tsm_screen *con,
/* TODO: more sophisticated ageing */
con->age = con->age_cnt;

if (posx >= con->size_x)
posx = con->size_x - 1;
if (posy >= con->size_y)
posy = con->size_y - 1;

word_select(con, posx, posy);
}

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