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< h1 > < a href = "../Features/index.html" > Features< / a > < svg class = "Page__header--separator" xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 477.175 477.175" > < path d = "M360.73 229.075l-225.1-225.1c-5.3-5.3-13.8-5.3-19.1 0s-5.3 13.8 0 19.1l215.5 215.5-215.5 215.5c-5.3 5.3-5.3 13.8 0 19.1 2.6 2.6 6.1 4 9.5 4 3.4 0 6.9-1.3 9.5-4l225.1-225.1c5.3-5.2 5.3-13.8.1-19z" / > < / svg > < a href = "../Features/Swap_Hands.html" > Swap Hands< / a > < / h1 >
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< p > < a href = "#page_Swap-Hands-Action" > Swap-Hands Action< / a > < / p >
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< p > < a href = "#page_Configuration" > Configuration< / a > < / p >
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< p > < a href = "#page_Swap-Keycodes" > Swap Keycodes< / a > < / p >
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< h1 id = "page_Swap-Hands-Action" > Swap-Hands Action< / h1 >
< p > The swap-hands action allows support for one-handed typing without requiring a separate layer. Set < code > SWAP_HANDS_ENABLE< / code > in the Makefile and define a < code > hand_swap_config< / code > entry in your keymap. Now whenever the < code > ACTION_SWAP_HANDS< / code > command key is pressed the keyboard is mirrored. For instance, to type " Hello, World" on QWERTY you would type < code > ^Ge^s^s^w^c W^wr^sd< / code > < / p >
< h2 id = "page_Configuration" > Configuration< / h2 >
< p > The configuration table is a simple 2-dimensional array to map from column/row to new column/row. Example < code > hand_swap_config< / code > for Planck:< / p >
< pre > < code class = "language-C" > const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
{{11, 0}, {10, 0}, {9, 0}, {8, 0}, {7, 0}, {6, 0}, {5, 0}, {4, 0}, {3, 0}, {2, 0}, {1, 0}, {0, 0}},
{{11, 1}, {10, 1}, {9, 1}, {8, 1}, {7, 1}, {6, 1}, {5, 1}, {4, 1}, {3, 1}, {2, 1}, {1, 1}, {0, 1}},
{{11, 2}, {10, 2}, {9, 2}, {8, 2}, {7, 2}, {6, 2}, {5, 2}, {4, 2}, {3, 2}, {2, 2}, {1, 2}, {0, 2}},
{{11, 3}, {10, 3}, {9, 3}, {8, 3}, {7, 3}, {6, 3}, {5, 3}, {4, 3}, {3, 3}, {2, 3}, {1, 3}, {0, 3}},
};
< / code > < / pre >
< p > Note that the array indices are reversed same as the matrix and the values are of type < code > keypos_t< / code > which is < code > {col, row}< / code > and all values are zero-based. In the example above, < code > hand_swap_config[2][4]< / code > (third row, fifth column) would return < code > {7, 2}< / code > (third row, eighth column). Yes, this is confusing.< / p >
< h2 id = "page_Swap-Keycodes" > Swap Keycodes< / h2 >
< table >
< thead >
< tr >
< th > Key< / th >
< th > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > < code > SH_T(key)< / code > < / td >
< td > Sends < code > key< / code > with a tap; momentary swap when held.< / td >
< / tr >
< tr >
< td > < code > SW_ON< / code > < / td >
< td > Turns on swapping and leaves it on.< / td >
< / tr >
< tr >
< td > < code > SW_OFF< / code > < / td >
< td > Turn off swapping and leaves it off. Good for returning to a known state.< / td >
< / tr >
< tr >
< td > < code > SW_MON< / code > < / td >
< td > Swaps hands when pressed, returns to normal when released (momentary).< / td >
< / tr >
< tr >
< td > < code > SW_MOFF< / code > < / td >
< td > Momentarily turns off swap.< / td >
< / tr >
< tr >
< td > < code > SH_TG< / code > < / td >
< td > Toggles swap on and off with every key press.< / td >
< / tr >
< tr >
< td > < code > SH_TT< / code > < / td >
< td > Toggles with a tap; momentary when held.< / td >
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