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Code Issues Releases Wiki Activity

Use precise scrolling values

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Since SDL 2.0.18, the amount scrolled horizontally or vertically is
exposed as a float (between 0 and 1). Forward a precise value to the
Android device when possible.

Refs <https://wiki.libsdl.org/SDL_MouseWheelEvent>
Fixes #3363 <https://github.com/Genymobile/scrcpy/issues/3363>
PR #3369 <https://github.com/Genymobile/scrcpy/pull/3369>

Signed-off-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
Simon Chan
2022-07-03 07:02:17 +00:00
committed by Romain Vimont
parent 1f138aef41
commit 57056d078d
9 changed files with 37 additions and 30 deletions
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9
app/src/input_manager.c
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@@ -747,8 +747,13 @@ sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,
.point = sc_screen_convert_window_to_frame_coords(im->screen,
mouse_x, mouse_y),
},
.hscroll = event->x,
.vscroll = event->y,
#if SDL_VERSION_ATLEAST(2, 0, 18)
.hscroll = CLAMP(event->preciseX, -1.0f, 1.0f),
.vscroll = CLAMP(event->preciseY, -1.0f, 1.0f),
#else
.hscroll = CLAMP(event->x, -1, 1),
.vscroll = CLAMP(event->y, -1, 1),
#endif
.buttons_state =
sc_mouse_buttons_state_from_sdl(buttons, im->forward_all_clicks),
};