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transform tablet input

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Evy Garden 2023-05-27 22:05:51 +02:00
parent 6903488191
commit 0f9d47023c
1 changed files with 51 additions and 0 deletions
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51
sway/input/cursor.c
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@ -609,6 +609,53 @@ static void apply_mapping_from_region(struct wlr_input_device *device,
*y = apply_mapping_from_coord(y1, y2, *y);
}
static void apply_transform_to_coords(enum sway_input_transform transform,
double *x, double *y, double *dx, double *dy) {
double tx = *x, ty = *y, tdx = *dx, tdy = *dy;
switch (transform) {
case INPUT_TRANSFORM_90:
*dx = -tdy;
*dy = tdx;
*x = 1. - ty;
*y = tx;
return;
case INPUT_TRANSFORM_180:
*dx = -tdx;
*dy = -tdy;
*x = 1. - tx;
*y = 1. - ty;
return;
case INPUT_TRANSFORM_270:
*dx = tdy;
*dy = -tdx;
*x = ty;
*y = 1. - tx;
return;
case INPUT_TRANSFORM_FLIPPED:
*dx = -tdx;
*x = 1. - tx;
return;
case INPUT_TRANSFORM_FLIPPED_90:
*dx = -tdy;
*dy = tdx;
*x = 1. - ty;
*y = tx;
return;
case INPUT_TRANSFORM_FLIPPED_180:
*dy = -tdy;
*y = 1. - ty;
return;
case INPUT_TRANSFORM_FLIPPED_270:
*dx = -tdy;
*dy = tdx;
*x = 1. - ty;
*y = tx;
return;
default:
return;
}
}
static void handle_tablet_tool_position(struct sway_cursor *cursor,
struct sway_tablet_tool *tool,
bool change_x, bool change_y,
@ -619,9 +666,13 @@ static void handle_tablet_tool_position(struct sway_cursor *cursor,
return;
}
struct sway_tablet *tablet = tool->tablet;
struct sway_input_device *input_device = tablet->seat_device->input_device;
struct input_config *ic = input_device_get_config(input_device);
apply_transform_to_coords(ic->transform, &x, &y, &dx, &dy);
if (ic != NULL && ic->mapped_from_region != NULL) {
apply_mapping_from_region(input_device->wlr_device,
ic->mapped_from_region, &x, &y);