98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*
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* Copyright (c) 2019 Andri Yngvason
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdint.h>
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#include <wayland-client-protocol.h>
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#include <wayland-client.h>
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#include <linux/input-event-codes.h>
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#include "pointer.h"
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#include "wlr-virtual-pointer-unstable-v1.h"
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#include "time-util.h"
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int pointer_init(struct pointer* self)
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{
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zwlr_virtual_pointer_v1_axis_source(self->pointer,
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WL_POINTER_AXIS_SOURCE_WHEEL);
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return 0;
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}
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void pointer_destroy(struct pointer* self)
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{
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zwlr_virtual_pointer_v1_destroy(self->pointer);
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}
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static void pointer_set_button_mask(struct pointer* self, uint32_t t,
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enum nvnc_button_mask mask)
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{
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enum nvnc_button_mask diff = self->current_mask ^ mask;
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if (diff & NVNC_BUTTON_LEFT)
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zwlr_virtual_pointer_v1_button(self->pointer, t, BTN_LEFT,
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!!(mask & NVNC_BUTTON_LEFT));
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if (diff & NVNC_BUTTON_MIDDLE)
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zwlr_virtual_pointer_v1_button(self->pointer, t, BTN_MIDDLE,
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!!(mask & NVNC_BUTTON_MIDDLE));
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if (diff & NVNC_BUTTON_RIGHT)
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zwlr_virtual_pointer_v1_button(self->pointer, t, BTN_RIGHT,
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!!(mask & NVNC_BUTTON_RIGHT));
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int vaxis = WL_POINTER_AXIS_VERTICAL_SCROLL;
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int haxis = WL_POINTER_AXIS_HORIZONTAL_SCROLL;
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/* I arrived at the magical value of 15 by connecting a mouse with a
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* scroll wheel and viewing the output of wev.
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*/
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if ((diff & NVNC_SCROLL_UP) && !(mask & NVNC_SCROLL_UP))
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zwlr_virtual_pointer_v1_axis_discrete(self->pointer, t, vaxis,
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wl_fixed_from_int(-15), -1);
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if ((diff & NVNC_SCROLL_DOWN) && !(mask & NVNC_SCROLL_DOWN))
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zwlr_virtual_pointer_v1_axis_discrete(self->pointer, t, vaxis,
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wl_fixed_from_int(15), 1);
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if ((diff & NVNC_SCROLL_LEFT) && !(mask & NVNC_SCROLL_LEFT))
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zwlr_virtual_pointer_v1_axis_discrete(self->pointer, t, haxis,
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wl_fixed_from_int(-15), -1);
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if ((diff & NVNC_SCROLL_RIGHT) && !(mask & NVNC_SCROLL_RIGHT))
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zwlr_virtual_pointer_v1_axis_discrete(self->pointer, t, haxis,
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wl_fixed_from_int(15), 1);
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self->current_mask = mask;
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}
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void pointer_set(struct pointer* self, uint32_t x, uint32_t y,
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enum nvnc_button_mask button_mask)
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{
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uint32_t t = gettime_ms();
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if (x != self->current_x || y != self->current_y)
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zwlr_virtual_pointer_v1_motion_absolute(self->pointer, t,
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x, y,
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self->output->width,
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self->output->height);
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self->current_x = x;
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self->current_y = y;
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if (button_mask != self->current_mask)
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pointer_set_button_mask(self, t, button_mask);
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zwlr_virtual_pointer_v1_frame(self->pointer);
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}
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