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author | David Eklov <david.eklov@gmail.com> | 2016-07-11 23:15:23 -0500 |
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committer | David Eklov <david.eklov@gmail.com> | 2016-07-15 19:14:31 -0500 |
commit | c0b7610c264b36de46e12189cb622a597c5b000b (patch) | |
tree | cdd0bab3f262b850bc2431d941a2841c20b65dfc /wayland | |
parent | Rename pointer_input::notify to indicate that is called on button clicks (diff) | |
download | sway-c0b7610c264b36de46e12189cb622a597c5b000b.tar.gz sway-c0b7610c264b36de46e12189cb622a597c5b000b.tar.zst sway-c0b7610c264b36de46e12189cb622a597c5b000b.zip |
Enable windows to register to get notified when the mouse wheel is scrolled
Diffstat (limited to 'wayland')
-rw-r--r-- | wayland/window.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/wayland/window.c b/wayland/window.c index 2a76654b..dfa6a997 100644 --- a/wayland/window.c +++ b/wayland/window.c | |||
@@ -47,7 +47,26 @@ static void pointer_handle_button(void *data, struct wl_pointer *pointer, uint32 | |||
47 | } | 47 | } |
48 | 48 | ||
49 | static void pointer_handle_axis(void *data, struct wl_pointer *pointer, | 49 | static void pointer_handle_axis(void *data, struct wl_pointer *pointer, |
50 | uint32_t time, uint32_t axis, wl_fixed_t value) { | 50 | uint32_t time, uint32_t axis, wl_fixed_t value) { |
51 | struct window *window = data; | ||
52 | enum scroll_direction direction; | ||
53 | |||
54 | switch (axis) { | ||
55 | case 0: | ||
56 | direction = wl_fixed_to_double(value) < 0 ? SCROLL_UP : SCROLL_DOWN; | ||
57 | break; | ||
58 | case 1: | ||
59 | direction = wl_fixed_to_double(value) < 0 ? SCROLL_LEFT : SCROLL_RIGHT; | ||
60 | break; | ||
61 | default: | ||
62 | if (!sway_assert(false, "Unexpected axis value")) { | ||
63 | return; | ||
64 | } | ||
65 | } | ||
66 | |||
67 | if (window->pointer_input.notify_scroll) { | ||
68 | window->pointer_input.notify_scroll(window, direction); | ||
69 | } | ||
51 | } | 70 | } |
52 | 71 | ||
53 | static const struct wl_pointer_listener pointer_listener = { | 72 | static const struct wl_pointer_listener pointer_listener = { |