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Add relative mode flag to mouse processors

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The default mouse injection works in absolute mode: it forwards clicks
at a specific position on screen.

To support HID mouse, add a flag to indicate that the mouse processor
works in relative mode: it forwards mouse motion vectors, without any
absolute reference to the screen.
This commit is contained in:
Romain Vimont
2021-12-30 15:46:00 +01:00
parent 924375487e
commit b5855e5deb
3 changed files with 19 additions and 0 deletions
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10
app/src/input_manager.c
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@@ -659,7 +659,11 @@ input_manager_process_mouse_motion(struct input_manager *im,
assert(im->mp->ops->process_mouse_motion);
im->mp->ops->process_mouse_motion(im->mp, &evt);
// vfinger must never be used in relative mode
assert(!im->mp->relative_mode || !im->vfinger_down);
if (im->vfinger_down) {
assert(!im->mp->relative_mode); // assert one more time
struct sc_point mouse =
screen_convert_window_to_frame_coords(im->screen, event->x,
event->y);
@@ -772,6 +776,12 @@ input_manager_process_mouse_button(struct input_manager *im,
assert(im->mp->ops->process_mouse_click);
im->mp->ops->process_mouse_click(im->mp, &evt);
if (im->mp->relative_mode) {
assert(!im->vfinger_down); // vfinger must not be used in relative mode
// No pinch-to-zoom simulation
return;
}
// Pinch-to-zoom simulation.
//
// If Ctrl is hold when the left-click button is pressed, then