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Move evdev_convert_to_mm to a more generic helper

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Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1013>
This commit is contained in:
Peter Hutterer 2024-06-13 14:10:06 +10:00
parent df242c108d
commit cfbdca5953
4 changed files with 20 additions and 19 deletions
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4
src/evdev.c
View file

@ -2727,8 +2727,8 @@ evdev_device_get_size(const struct evdev_device *device,
!x->resolution || !y->resolution)
return -1;
*width = evdev_convert_to_mm(x, x->maximum);
*height = evdev_convert_to_mm(y, y->maximum);
*width = absinfo_convert_to_mm(x, x->maximum);
*height = absinfo_convert_to_mm(y, y->maximum);
return 0;
}

12
src/evdev.h
View file

@ -37,6 +37,7 @@
#include "timer.h"
#include "filter.h"
#include "quirks.h"
#include "util-input-event.h"
/* The fake resolution value for abs devices without resolution */
#define EVDEV_FAKE_RESOLUTION 1
@ -649,20 +650,13 @@ evdev_middlebutton_is_available(struct libinput_device *device);
enum libinput_config_middle_emulation_state
evdev_middlebutton_get_default(struct libinput_device *device);
static inline double
evdev_convert_to_mm(const struct input_absinfo *absinfo, double v)
{
double value = v - absinfo->minimum;
return value/absinfo->resolution;
}
static inline struct phys_coords
evdev_convert_xy_to_mm(const struct evdev_device *device, int x, int y)
{
struct phys_coords mm;
mm.x = evdev_convert_to_mm(device->abs.absinfo_x, x);
mm.y = evdev_convert_to_mm(device->abs.absinfo_y, y);
mm.x = absinfo_convert_to_mm(device->abs.absinfo_x, x);
mm.y = absinfo_convert_to_mm(device->abs.absinfo_y, y);
return mm;
}

16
src/libinput.c
View file

@ -626,7 +626,7 @@ libinput_event_pointer_get_absolute_x(struct libinput_event_pointer *event)
0,
LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE);
return evdev_convert_to_mm(device->abs.absinfo_x, event->absolute.x);
return absinfo_convert_to_mm(device->abs.absinfo_x, event->absolute.x);
}
LIBINPUT_EXPORT double
@ -639,7 +639,7 @@ libinput_event_pointer_get_absolute_y(struct libinput_event_pointer *event)
0,
LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE);
return evdev_convert_to_mm(device->abs.absinfo_y, event->absolute.y);
return absinfo_convert_to_mm(device->abs.absinfo_y, event->absolute.y);
}
LIBINPUT_EXPORT double
@ -918,7 +918,7 @@ libinput_event_touch_get_x(struct libinput_event_touch *event)
LIBINPUT_EVENT_TOUCH_DOWN,
LIBINPUT_EVENT_TOUCH_MOTION);
return evdev_convert_to_mm(device->abs.absinfo_x, event->point.x);
return absinfo_convert_to_mm(device->abs.absinfo_x, event->point.x);
}
LIBINPUT_EXPORT double
@ -962,7 +962,7 @@ libinput_event_touch_get_y(struct libinput_event_touch *event)
LIBINPUT_EVENT_TOUCH_DOWN,
LIBINPUT_EVENT_TOUCH_MOTION);
return evdev_convert_to_mm(device->abs.absinfo_y, event->point.y);
return absinfo_convert_to_mm(device->abs.absinfo_y, event->point.y);
}
LIBINPUT_EXPORT uint32_t
@ -1313,8 +1313,8 @@ libinput_event_tablet_tool_get_x(struct libinput_event_tablet_tool *event)
LIBINPUT_EVENT_TABLET_TOOL_BUTTON,
LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY);
return evdev_convert_to_mm(device->abs.absinfo_x,
event->axes.point.x);
return absinfo_convert_to_mm(device->abs.absinfo_x,
event->axes.point.x);
}
LIBINPUT_EXPORT double
@ -1330,8 +1330,8 @@ libinput_event_tablet_tool_get_y(struct libinput_event_tablet_tool *event)
LIBINPUT_EVENT_TABLET_TOOL_BUTTON,
LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY);
return evdev_convert_to_mm(device->abs.absinfo_y,
event->axes.point.y);
return absinfo_convert_to_mm(device->abs.absinfo_y,
event->axes.point.y);
}
LIBINPUT_EXPORT double

7
src/util-input-event.h
View file

@ -90,3 +90,10 @@ absinfo_scale_axis(const struct input_absinfo *absinfo, double val, double to_ra
{
return (val - absinfo->minimum) * to_range / absinfo_range(absinfo);
}
static inline double
absinfo_convert_to_mm(const struct input_absinfo *absinfo, double v)
{
double value = v - absinfo->minimum;
return value/absinfo->resolution;
}