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Extract mouse processor trait

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Mainly for consistency with the keyboard processor trait.

This could allow to provide alternative mouse processors.
This commit is contained in:
Romain Vimont 2021-10-03 17:44:14 +02:00
parent bcf5a9750f
commit f7d1efdf1d
9 changed files with 298 additions and 184 deletions
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2
app/meson.build
View file

@ -8,13 +8,13 @@ src = [
'src/controller.c',
'src/decoder.c',
'src/device_msg.c',
'src/event_converter.c',
'src/icon.c',
'src/file_handler.c',
'src/fps_counter.c',
'src/frame_buffer.c',
'src/input_manager.c',
'src/keyboard_inject.c',
'src/mouse_inject.c',
'src/opengl.c',
'src/receiver.c',
'src/recorder.c',

44
app/src/event_converter.c
View file

@ -1,44 +0,0 @@
#include "event_converter.h"
#define MAP(FROM, TO) case FROM: *to = TO; return true
#define FAIL default: return false
enum android_motionevent_buttons
convert_mouse_buttons(uint32_t state) {
enum android_motionevent_buttons buttons = 0;
if (state & SDL_BUTTON_LMASK) {
buttons |= AMOTION_EVENT_BUTTON_PRIMARY;
}
if (state & SDL_BUTTON_RMASK) {
buttons |= AMOTION_EVENT_BUTTON_SECONDARY;
}
if (state & SDL_BUTTON_MMASK) {
buttons |= AMOTION_EVENT_BUTTON_TERTIARY;
}
if (state & SDL_BUTTON_X1MASK) {
buttons |= AMOTION_EVENT_BUTTON_BACK;
}
if (state & SDL_BUTTON_X2MASK) {
buttons |= AMOTION_EVENT_BUTTON_FORWARD;
}
return buttons;
}
bool
convert_mouse_action(SDL_EventType from, enum android_motionevent_action *to) {
switch (from) {
MAP(SDL_MOUSEBUTTONDOWN, AMOTION_EVENT_ACTION_DOWN);
MAP(SDL_MOUSEBUTTONUP, AMOTION_EVENT_ACTION_UP);
FAIL;
}
}
bool
convert_touch_action(SDL_EventType from, enum android_motionevent_action *to) {
switch (from) {
MAP(SDL_FINGERMOTION, AMOTION_EVENT_ACTION_MOVE);
MAP(SDL_FINGERDOWN, AMOTION_EVENT_ACTION_DOWN);
MAP(SDL_FINGERUP, AMOTION_EVENT_ACTION_UP);
FAIL;
}
}

20
app/src/event_converter.h
View file

@ -1,20 +0,0 @@
#ifndef CONVERT_H
#define CONVERT_H
#include "common.h"
#include <stdbool.h>
#include <SDL2/SDL_events.h>
#include "control_msg.h"
enum android_motionevent_buttons
convert_mouse_buttons(uint32_t state);
bool
convert_mouse_action(SDL_EventType from, enum android_motionevent_action *to);
bool
convert_touch_action(SDL_EventType from, enum android_motionevent_action *to);
#endif

131
app/src/input_manager.c
View file

@ -3,7 +3,6 @@
#include <assert.h>
#include <SDL2/SDL_keycode.h>
#include "event_converter.h"
#include "util/log.h"
static const int ACTION_DOWN = 1;
@ -54,12 +53,15 @@ is_shortcut_mod(struct input_manager *im, uint16_t sdl_mod) {
void
input_manager_init(struct input_manager *im, struct controller *controller,
struct screen *screen, struct sc_key_processor *kp,
struct sc_mouse_processor *mp,
const struct scrcpy_options *options) {
assert(!options->control || (kp && kp->ops));
assert(!options->control || (mp && mp->ops));
im->controller = controller;
im->screen = screen;
im->kp = kp;
im->mp = mp;
im->control = options->control;
im->forward_all_clicks = options->forward_all_clicks;
@ -524,21 +526,6 @@ input_manager_process_key(struct input_manager *im,
im->kp->ops->process_key(im->kp, event);
}
static bool
convert_mouse_motion(const SDL_MouseMotionEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
to->inject_touch_event.action = AMOTION_EVENT_ACTION_MOVE;
to->inject_touch_event.pointer_id = POINTER_ID_MOUSE;
to->inject_touch_event.position.screen_size = screen->frame_size;
to->inject_touch_event.position.point =
screen_convert_window_to_frame_coords(screen, from->x, from->y);
to->inject_touch_event.pressure = 1.f;
to->inject_touch_event.buttons = convert_mouse_buttons(from->state);
return true;
}
static void
input_manager_process_mouse_motion(struct input_manager *im,
const SDL_MouseMotionEvent *event) {
@ -554,79 +541,22 @@ input_manager_process_mouse_motion(struct input_manager *im,
// simulated from touch events, so it's a duplicate
return;
}
struct control_msg msg;
if (!convert_mouse_motion(event, im->screen, &msg)) {
return;
}
if (!controller_push_msg(im->controller, &msg)) {
LOGW("Could not request 'inject mouse motion event'");
}
im->mp->ops->process_mouse_motion(im->mp, event);
if (im->vfinger_down) {
struct point mouse = msg.inject_touch_event.position.point;
struct point mouse =
screen_convert_window_to_frame_coords(im->screen, event->x,
event->y);
struct point vfinger = inverse_point(mouse, im->screen->frame_size);
simulate_virtual_finger(im, AMOTION_EVENT_ACTION_MOVE, vfinger);
}
}
static bool
convert_touch(const SDL_TouchFingerEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
if (!convert_touch_action(from->type, &to->inject_touch_event.action)) {
return false;
}
to->inject_touch_event.pointer_id = from->fingerId;
to->inject_touch_event.position.screen_size = screen->frame_size;
int dw;
int dh;
SDL_GL_GetDrawableSize(screen->window, &dw, &dh);
// SDL touch event coordinates are normalized in the range [0; 1]
int32_t x = from->x * dw;
int32_t y = from->y * dh;
to->inject_touch_event.position.point =
screen_convert_drawable_to_frame_coords(screen, x, y);
to->inject_touch_event.pressure = from->pressure;
to->inject_touch_event.buttons = 0;
return true;
}
static void
input_manager_process_touch(struct input_manager *im,
const SDL_TouchFingerEvent *event) {
struct control_msg msg;
if (convert_touch(event, im->screen, &msg)) {
if (!controller_push_msg(im->controller, &msg)) {
LOGW("Could not request 'inject touch event'");
}
}
}
static bool
convert_mouse_button(const SDL_MouseButtonEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
if (!convert_mouse_action(from->type, &to->inject_touch_event.action)) {
return false;
}
to->inject_touch_event.pointer_id = POINTER_ID_MOUSE;
to->inject_touch_event.position.screen_size = screen->frame_size;
to->inject_touch_event.position.point =
screen_convert_window_to_frame_coords(screen, from->x, from->y);
to->inject_touch_event.pressure =
from->type == SDL_MOUSEBUTTONDOWN ? 1.f : 0.f;
to->inject_touch_event.buttons =
convert_mouse_buttons(SDL_BUTTON(from->button));
return true;
im->mp->ops->process_touch(im->mp, event);
}
static void
@ -686,15 +616,7 @@ input_manager_process_mouse_button(struct input_manager *im,
return;
}
struct control_msg msg;
if (!convert_mouse_button(event, im->screen, &msg)) {
return;
}
if (!controller_push_msg(im->controller, &msg)) {
LOGW("Could not request 'inject mouse button event'");
return;
}
im->mp->ops->process_mouse_button(im->mp, event);
// Pinch-to-zoom simulation.
//
@ -708,7 +630,9 @@ input_manager_process_mouse_button(struct input_manager *im,
#define CTRL_PRESSED (SDL_GetModState() & (KMOD_LCTRL | KMOD_RCTRL))
if ((down && !im->vfinger_down && CTRL_PRESSED)
|| (!down && im->vfinger_down)) {
struct point mouse = msg.inject_touch_event.position.point;
struct point mouse =
screen_convert_window_to_frame_coords(im->screen, event->x,
event->y);
struct point vfinger = inverse_point(mouse, im->screen->frame_size);
enum android_motionevent_action action = down
? AMOTION_EVENT_ACTION_DOWN
@ -720,39 +644,10 @@ input_manager_process_mouse_button(struct input_manager *im,
}
}
static bool
convert_mouse_wheel(const SDL_MouseWheelEvent *from, struct screen *screen,
struct control_msg *to) {
// mouse_x and mouse_y are expressed in pixels relative to the window
int mouse_x;
int mouse_y;
SDL_GetMouseState(&mouse_x, &mouse_y);
struct position position = {
.screen_size = screen->frame_size,
.point = screen_convert_window_to_frame_coords(screen,
mouse_x, mouse_y),
};
to->type = CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT;
to->inject_scroll_event.position = position;
to->inject_scroll_event.hscroll = from->x;
to->inject_scroll_event.vscroll = from->y;
return true;
}
static void
input_manager_process_mouse_wheel(struct input_manager *im,
const SDL_MouseWheelEvent *event) {
struct control_msg msg;
if (convert_mouse_wheel(event, im->screen, &msg)) {
if (!controller_push_msg(im->controller, &msg)) {
LOGW("Could not request 'inject mouse wheel event'");
}
}
im->mp->ops->process_mouse_wheel(im->mp, event);
}
bool

3
app/src/input_manager.h
View file

@ -12,12 +12,14 @@
#include "scrcpy.h"
#include "screen.h"
#include "trait/key_processor.h"
#include "trait/mouse_processor.h"
struct input_manager {
struct controller *controller;
struct screen *screen;
struct sc_key_processor *kp;
struct sc_mouse_processor *mp;
bool control;
bool forward_all_clicks;
@ -41,6 +43,7 @@ struct input_manager {
void
input_manager_init(struct input_manager *im, struct controller *controller,
struct screen *screen, struct sc_key_processor *kp,
struct sc_mouse_processor *mp,
const struct scrcpy_options *options);
bool

211
app/src/mouse_inject.c Normal file
View file

@ -0,0 +1,211 @@
#include "mouse_inject.h"
#include <assert.h>
#include <SDL2/SDL_events.h>
#include "android/input.h"
#include "control_msg.h"
#include "controller.h"
#include "util/log.h"
/** Downcast mouse processor to sc_mouse_inject */
#define DOWNCAST(MP) container_of(MP, struct sc_mouse_inject, mouse_processor)
static enum android_motionevent_buttons
convert_mouse_buttons(uint32_t state) {
enum android_motionevent_buttons buttons = 0;
if (state & SDL_BUTTON_LMASK) {
buttons |= AMOTION_EVENT_BUTTON_PRIMARY;
}
if (state & SDL_BUTTON_RMASK) {
buttons |= AMOTION_EVENT_BUTTON_SECONDARY;
}
if (state & SDL_BUTTON_MMASK) {
buttons |= AMOTION_EVENT_BUTTON_TERTIARY;
}
if (state & SDL_BUTTON_X1MASK) {
buttons |= AMOTION_EVENT_BUTTON_BACK;
}
if (state & SDL_BUTTON_X2MASK) {
buttons |= AMOTION_EVENT_BUTTON_FORWARD;
}
return buttons;
}
#define MAP(FROM, TO) case FROM: *to = TO; return true
#define FAIL default: return false
static bool
convert_mouse_action(SDL_EventType from, enum android_motionevent_action *to) {
switch (from) {
MAP(SDL_MOUSEBUTTONDOWN, AMOTION_EVENT_ACTION_DOWN);
MAP(SDL_MOUSEBUTTONUP, AMOTION_EVENT_ACTION_UP);
FAIL;
}
}
static bool
convert_touch_action(SDL_EventType from, enum android_motionevent_action *to) {
switch (from) {
MAP(SDL_FINGERMOTION, AMOTION_EVENT_ACTION_MOVE);
MAP(SDL_FINGERDOWN, AMOTION_EVENT_ACTION_DOWN);
MAP(SDL_FINGERUP, AMOTION_EVENT_ACTION_UP);
FAIL;
}
}
static bool
convert_mouse_motion(const SDL_MouseMotionEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
to->inject_touch_event.action = AMOTION_EVENT_ACTION_MOVE;
to->inject_touch_event.pointer_id = POINTER_ID_MOUSE;
to->inject_touch_event.position.screen_size = screen->frame_size;
to->inject_touch_event.position.point =
screen_convert_window_to_frame_coords(screen, from->x, from->y);
to->inject_touch_event.pressure = 1.f;
to->inject_touch_event.buttons = convert_mouse_buttons(from->state);
return true;
}
static bool
convert_touch(const SDL_TouchFingerEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
if (!convert_touch_action(from->type, &to->inject_touch_event.action)) {
return false;
}
to->inject_touch_event.pointer_id = from->fingerId;
to->inject_touch_event.position.screen_size = screen->frame_size;
int dw;
int dh;
SDL_GL_GetDrawableSize(screen->window, &dw, &dh);
// SDL touch event coordinates are normalized in the range [0; 1]
int32_t x = from->x * dw;
int32_t y = from->y * dh;
to->inject_touch_event.position.point =
screen_convert_drawable_to_frame_coords(screen, x, y);
to->inject_touch_event.pressure = from->pressure;
to->inject_touch_event.buttons = 0;
return true;
}
static bool
convert_mouse_button(const SDL_MouseButtonEvent *from, struct screen *screen,
struct control_msg *to) {
to->type = CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT;
if (!convert_mouse_action(from->type, &to->inject_touch_event.action)) {
return false;
}
to->inject_touch_event.pointer_id = POINTER_ID_MOUSE;
to->inject_touch_event.position.screen_size = screen->frame_size;
to->inject_touch_event.position.point =
screen_convert_window_to_frame_coords(screen, from->x, from->y);
to->inject_touch_event.pressure =
from->type == SDL_MOUSEBUTTONDOWN ? 1.f : 0.f;
to->inject_touch_event.buttons =
convert_mouse_buttons(SDL_BUTTON(from->button));
return true;
}
static bool
convert_mouse_wheel(const SDL_MouseWheelEvent *from, struct screen *screen,
struct control_msg *to) {
// mouse_x and mouse_y are expressed in pixels relative to the window
int mouse_x;
int mouse_y;
SDL_GetMouseState(&mouse_x, &mouse_y);
struct position position = {
.screen_size = screen->frame_size,
.point = screen_convert_window_to_frame_coords(screen,
mouse_x, mouse_y),
};
to->type = CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT;
to->inject_scroll_event.position = position;
to->inject_scroll_event.hscroll = from->x;
to->inject_scroll_event.vscroll = from->y;
return true;
}
static void
sc_mouse_processor_process_mouse_motion(struct sc_mouse_processor *mp,
const SDL_MouseMotionEvent *event) {
struct sc_mouse_inject *mi = DOWNCAST(mp);
struct control_msg msg;
if (!convert_mouse_motion(event, mi->screen, &msg)) {
return;
}
if (!controller_push_msg(mi->controller, &msg)) {
LOGW("Could not request 'inject mouse motion event'");
}
}
static void
sc_mouse_processor_process_touch(struct sc_mouse_processor *mp,
const SDL_TouchFingerEvent *event) {
struct sc_mouse_inject *mi = DOWNCAST(mp);
struct control_msg msg;
if (convert_touch(event, mi->screen, &msg)) {
if (!controller_push_msg(mi->controller, &msg)) {
LOGW("Could not request 'inject touch event'");
}
}
}
static void
sc_mouse_processor_process_mouse_button(struct sc_mouse_processor *mp,
const SDL_MouseButtonEvent *event) {
struct sc_mouse_inject *mi = DOWNCAST(mp);
struct control_msg msg;
if (convert_mouse_button(event, mi->screen, &msg)) {
if (!controller_push_msg(mi->controller, &msg)) {
LOGW("Could not request 'inject mouse button event'");
}
}
}
static void
sc_mouse_processor_process_mouse_wheel(struct sc_mouse_processor *mp,
const SDL_MouseWheelEvent *event) {
struct sc_mouse_inject *mi = DOWNCAST(mp);
struct control_msg msg;
if (convert_mouse_wheel(event, mi->screen, &msg)) {
if (!controller_push_msg(mi->controller, &msg)) {
LOGW("Could not request 'inject mouse wheel event'");
}
}
}
void
sc_mouse_inject_init(struct sc_mouse_inject *mi, struct controller *controller,
struct screen *screen) {
mi->controller = controller;
mi->screen = screen;
static const struct sc_mouse_processor_ops ops = {
.process_mouse_motion = sc_mouse_processor_process_mouse_motion,
.process_touch = sc_mouse_processor_process_touch,
.process_mouse_button = sc_mouse_processor_process_mouse_button,
.process_mouse_wheel = sc_mouse_processor_process_mouse_wheel,
};
mi->mouse_processor.ops = &ops;
}

24
app/src/mouse_inject.h Normal file
View file

@ -0,0 +1,24 @@
#ifndef SC_MOUSE_INJECT_H
#define SC_MOUSE_INJECT_H
#include "common.h"
#include <stdbool.h>
#include "controller.h"
#include "scrcpy.h"
#include "screen.h"
#include "trait/mouse_processor.h"
struct sc_mouse_inject {
struct sc_mouse_processor mouse_processor; // mouse processor trait
struct controller *controller;
struct screen *screen;
};
void
sc_mouse_inject_init(struct sc_mouse_inject *mi, struct controller *controller,
struct screen *screen);
#endif

8
app/src/scrcpy.c
View file

@ -19,6 +19,7 @@
#include "file_handler.h"
#include "input_manager.h"
#include "keyboard_inject.h"
#include "mouse_inject.h"
#include "recorder.h"
#include "screen.h"
#include "server.h"
@ -41,6 +42,7 @@ struct scrcpy {
struct controller controller;
struct file_handler file_handler;
struct sc_keyboard_inject keyboard_inject;
struct sc_mouse_inject mouse_inject;
struct input_manager input_manager;
};
@ -414,13 +416,17 @@ scrcpy(const struct scrcpy_options *options) {
stream_started = true;
struct sc_key_processor *kp = NULL;
struct sc_mouse_processor *mp = NULL;
if (options->control) {
sc_keyboard_inject_init(&s->keyboard_inject, &s->controller, options);
kp = &s->keyboard_inject.key_processor;
sc_mouse_inject_init(&s->mouse_inject, &s->controller, &s->screen);
mp = &s->mouse_inject.mouse_processor;
}
input_manager_init(&s->input_manager, &s->controller, &s->screen, kp,
input_manager_init(&s->input_manager, &s->controller, &s->screen, kp, mp,
options);
ret = event_loop(s, options);

39
app/src/trait/mouse_processor.h Normal file
View file

@ -0,0 +1,39 @@
#ifndef SC_MOUSE_PROCESSOR_H
#define SC_MOUSE_PROCESSOR_H
#include "common.h"
#include <assert.h>
#include <stdbool.h>
#include <SDL2/SDL_events.h>
/**
* Mouse processor trait.
*
* Component able to process and inject mouse events should implement this
* trait.
*/
struct sc_mouse_processor {
const struct sc_mouse_processor_ops *ops;
};
struct sc_mouse_processor_ops {
void
(*process_mouse_motion)(struct sc_mouse_processor *mp,
const SDL_MouseMotionEvent *event);
void
(*process_touch)(struct sc_mouse_processor *mp,
const SDL_TouchFingerEvent *event);
void
(*process_mouse_button)(struct sc_mouse_processor *mp,
const SDL_MouseButtonEvent *event);
void
(*process_mouse_wheel)(struct sc_mouse_processor *mp,
const SDL_MouseWheelEvent *event);
};
#endif