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Move control-related code to screencontrol.c

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Move the code handling user input from scrcpy.c to a separate file,
screencontrol.c.
This commit is contained in:
Romain Vimont 2018-02-08 18:14:50 +01:00
parent e1749a0c09
commit e8dfb723af
4 changed files with 237 additions and 196 deletions
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1
app/meson.build
View file

@ -13,6 +13,7 @@ src = [
'src/netutil.c',
'src/scrcpy.c',
'src/screen.c',
'src/screencontrol.c',
'src/server.c',
'src/strutil.c',
'src/tinyxpm.c',

202
app/src/scrcpy.c
View file

@ -11,7 +11,6 @@
#include "command.h"
#include "common.h"
#include "controller.h"
#include "convert.h"
#include "decoder.h"
#include "device.h"
#include "events.h"
@ -19,6 +18,7 @@
#include "lockutil.h"
#include "netutil.h"
#include "screen.h"
#include "screencontrol.h"
#include "server.h"
#include "tinyxpm.h"
@ -46,76 +46,6 @@ static void count_frame(void) {
}
}
static struct point get_mouse_point(void) {
int x;
int y;
SDL_GetMouseState(&x, &y);
SDL_assert_release(x >= 0 && x < 0x10000 && y >= 0 && y < 0x10000);
return (struct point) {
.x = (Uint16) x,
.y = (Uint16) y,
};
}
static void send_keycode(enum android_keycode keycode, const char *name) {
// send DOWN event
struct control_event control_event = {
.type = CONTROL_EVENT_TYPE_KEYCODE,
.keycode_event = {
.action = AKEY_EVENT_ACTION_DOWN,
.keycode = keycode,
.metastate = 0,
},
};
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send %s (DOWN)", name);
return;
}
// send UP event
control_event.keycode_event.action = AKEY_EVENT_ACTION_UP;
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send %s (UP)", name);
}
}
static inline void action_home(void) {
send_keycode(AKEYCODE_HOME, "HOME");
}
static inline void action_back(void) {
send_keycode(AKEYCODE_BACK, "BACK");
}
static inline void action_app_switch(void) {
send_keycode(AKEYCODE_APP_SWITCH, "APP_SWITCH");
}
static inline void action_power(void) {
send_keycode(AKEYCODE_POWER, "POWER");
}
static inline void action_volume_up(void) {
send_keycode(AKEYCODE_VOLUME_UP, "VOLUME_UP");
}
static inline void action_volume_down(void) {
send_keycode(AKEYCODE_VOLUME_DOWN, "VOLUME_DOWN");
}
static void turn_screen_on(void) {
struct control_event control_event = {
.type = CONTROL_EVENT_TYPE_COMMAND,
.command_event = {
.action = CONTROL_EVENT_COMMAND_SCREEN_ON,
},
};
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot turn screen on");
}
}
static SDL_bool handle_new_frame(void) {
mutex_lock(frames.mutex);
AVFrame *frame = frames.rendering_frame;
@ -135,122 +65,6 @@ static SDL_bool handle_new_frame(void) {
return SDL_TRUE;
}
static SDL_bool is_ctrl_down(void) {
const Uint8 *state = SDL_GetKeyboardState(NULL);
return state[SDL_SCANCODE_LCTRL] || state[SDL_SCANCODE_RCTRL];
}
static void handle_text_input(const SDL_TextInputEvent *event) {
if (is_ctrl_down()) {
switch (event->text[0]) {
case '+':
action_volume_up();
break;
case '-':
action_volume_down();
break;
}
return;
}
struct control_event control_event;
control_event.type = CONTROL_EVENT_TYPE_TEXT;
strncpy(control_event.text_event.text, event->text, TEXT_MAX_LENGTH);
control_event.text_event.text[TEXT_MAX_LENGTH] = '\0';
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send text event");
}
}
static void handle_key(const SDL_KeyboardEvent *event) {
SDL_Keycode keycode = event->keysym.sym;
SDL_bool ctrl = event->keysym.mod & (KMOD_LCTRL | KMOD_RCTRL);
SDL_bool shift = event->keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT);
SDL_bool repeat = event->repeat;
// capture all Ctrl events
if (ctrl) {
// only consider keydown events, and ignore repeated events
if (repeat || event->type != SDL_KEYDOWN) {
return;
}
if (shift) {
// currently, there is no shortcut implying SHIFT
return;
}
switch (keycode) {
case SDLK_h:
action_home();
return;
case SDLK_b: // fall-through
case SDLK_BACKSPACE:
action_back();
return;
case SDLK_m:
action_app_switch();
return;
case SDLK_p:
action_power();
return;
case SDLK_f:
screen_switch_fullscreen(&screen);
return;
case SDLK_x:
screen_resize_to_fit(&screen);
return;
case SDLK_g:
screen_resize_to_pixel_perfect(&screen);
return;
}
return;
}
struct control_event control_event;
if (input_key_from_sdl_to_android(event, &control_event)) {
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send control event");
}
}
}
static void handle_mouse_motion(const SDL_MouseMotionEvent *event, struct size screen_size) {
if (!event->state) {
// do not send motion events when no button is pressed
return;
}
struct control_event control_event;
if (mouse_motion_from_sdl_to_android(event, screen_size, &control_event)) {
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send mouse motion event");
}
}
}
static void handle_mouse_button(const SDL_MouseButtonEvent *event, struct size screen_size) {
if (event->button == SDL_BUTTON_RIGHT) {
turn_screen_on();
return;
};
struct control_event control_event;
if (mouse_button_from_sdl_to_android(event, screen_size, &control_event)) {
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send mouse button event");
}
}
}
static void handle_mouse_wheel(const SDL_MouseWheelEvent *event, struct position position) {
struct control_event control_event;
if (mouse_wheel_from_sdl_to_android(event, position, &control_event)) {
if (!controller_push_event(&controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send wheel button event");
}
}
}
static void event_loop(void) {
SDL_Event event;
while (SDL_WaitEvent(&event)) {
@ -276,27 +90,23 @@ static void event_loop(void) {
}
break;
case SDL_TEXTINPUT: {
handle_text_input(&event.text);
screencontrol_handle_text_input(&controller, &screen, &event.text);
break;
}
case SDL_KEYDOWN:
case SDL_KEYUP:
handle_key(&event.key);
screencontrol_handle_key(&controller, &screen, &event.key);
break;
case SDL_MOUSEMOTION:
handle_mouse_motion(&event.motion, screen.frame_size);
screencontrol_handle_mouse_motion(&controller, &screen, &event.motion);
break;
case SDL_MOUSEWHEEL: {
struct position position = {
.screen_size = screen.frame_size,
.point = get_mouse_point(),
};
handle_mouse_wheel(&event.wheel, position);
screencontrol_handle_mouse_wheel(&controller, &screen, &event.wheel);
break;
}
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP: {
handle_mouse_button(&event.button, screen.frame_size);
screencontrol_handle_mouse_button(&controller, &screen, &event.button);
break;
}
}

205
app/src/screencontrol.c Normal file
View file

@ -0,0 +1,205 @@
#include "screencontrol.h"
#include <SDL2/SDL_log.h>
#include "convert.h"
static struct point get_mouse_point(void) {
int x;
int y;
SDL_GetMouseState(&x, &y);
SDL_assert_release(x >= 0 && x < 0x10000 && y >= 0 && y < 0x10000);
return (struct point) {
.x = (Uint16) x,
.y = (Uint16) y,
};
}
static SDL_bool is_ctrl_down(void) {
const Uint8 *state = SDL_GetKeyboardState(NULL);
return state[SDL_SCANCODE_LCTRL] || state[SDL_SCANCODE_RCTRL];
}
static void send_keycode(struct controller *controller, enum android_keycode keycode, const char *name) {
// send DOWN event
struct control_event control_event = {
.type = CONTROL_EVENT_TYPE_KEYCODE,
.keycode_event = {
.action = AKEY_EVENT_ACTION_DOWN,
.keycode = keycode,
.metastate = 0,
},
};
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send %s (DOWN)", name);
return;
}
// send UP event
control_event.keycode_event.action = AKEY_EVENT_ACTION_UP;
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send %s (UP)", name);
}
}
static inline void action_home(struct controller *controller) {
send_keycode(controller, AKEYCODE_HOME, "HOME");
}
static inline void action_back(struct controller *controller) {
send_keycode(controller, AKEYCODE_BACK, "BACK");
}
static inline void action_app_switch(struct controller *controller) {
send_keycode(controller, AKEYCODE_APP_SWITCH, "APP_SWITCH");
}
static inline void action_power(struct controller *controller) {
send_keycode(controller, AKEYCODE_POWER, "POWER");
}
static inline void action_volume_up(struct controller *controller) {
send_keycode(controller, AKEYCODE_VOLUME_UP, "VOLUME_UP");
}
static inline void action_volume_down(struct controller *controller) {
send_keycode(controller, AKEYCODE_VOLUME_DOWN, "VOLUME_DOWN");
}
static void turn_screen_on(struct controller *controller) {
struct control_event control_event = {
.type = CONTROL_EVENT_TYPE_COMMAND,
.command_event = {
.action = CONTROL_EVENT_COMMAND_SCREEN_ON,
},
};
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot turn screen on");
}
}
void screencontrol_handle_text_input(struct controller *controller,
struct screen *screen,
const SDL_TextInputEvent *event) {
if (is_ctrl_down()) {
switch (event->text[0]) {
case '+':
action_volume_up(controller);
break;
case '-':
action_volume_down(controller);
break;
}
return;
}
struct control_event control_event;
control_event.type = CONTROL_EVENT_TYPE_TEXT;
strncpy(control_event.text_event.text, event->text, TEXT_MAX_LENGTH);
control_event.text_event.text[TEXT_MAX_LENGTH] = '\0';
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send text event");
}
}
void screencontrol_handle_key(struct controller *controller,
struct screen *screen,
const SDL_KeyboardEvent *event) {
SDL_Keycode keycode = event->keysym.sym;
SDL_bool ctrl = event->keysym.mod & (KMOD_LCTRL | KMOD_RCTRL);
SDL_bool shift = event->keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT);
SDL_bool repeat = event->repeat;
// capture all Ctrl events
if (ctrl) {
// only consider keydown events, and ignore repeated events
if (repeat || event->type != SDL_KEYDOWN) {
return;
}
if (shift) {
// currently, there is no shortcut implying SHIFT
return;
}
switch (keycode) {
case SDLK_h:
action_home(controller);
return;
case SDLK_b: // fall-through
case SDLK_BACKSPACE:
action_back(controller);
return;
case SDLK_m:
action_app_switch(controller);
return;
case SDLK_p:
action_power(controller);
return;
case SDLK_f:
screen_switch_fullscreen(screen);
return;
case SDLK_x:
screen_resize_to_fit(screen);
return;
case SDLK_g:
screen_resize_to_pixel_perfect(screen);
return;
}
return;
}
struct control_event control_event;
if (input_key_from_sdl_to_android(event, &control_event)) {
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send control event");
}
}
}
void screencontrol_handle_mouse_motion(struct controller *controller,
struct screen *screen,
const SDL_MouseMotionEvent *event) {
if (!event->state) {
// do not send motion events when no button is pressed
return;
}
struct control_event control_event;
if (mouse_motion_from_sdl_to_android(event, screen->frame_size, &control_event)) {
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send mouse motion event");
}
}
}
void screencontrol_handle_mouse_button(struct controller *controller,
struct screen *screen,
const SDL_MouseButtonEvent *event) {
if (event->button == SDL_BUTTON_RIGHT) {
turn_screen_on(controller);
return;
};
struct control_event control_event;
if (mouse_button_from_sdl_to_android(event, screen->frame_size, &control_event)) {
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send mouse button event");
}
}
}
void screencontrol_handle_mouse_wheel(struct controller *controller,
struct screen *screen,
const SDL_MouseWheelEvent *event) {
struct position position = {
.screen_size = screen->frame_size,
.point = get_mouse_point(),
};
struct control_event control_event;
if (mouse_wheel_from_sdl_to_android(event, position, &control_event)) {
if (!controller_push_event(controller, &control_event)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Cannot send wheel button event");
}
}
}

25
app/src/screencontrol.h Normal file
View file

@ -0,0 +1,25 @@
#ifndef SCREENCONTROL_H
#define SCREENCONTROL_H
#include "common.h"
#include "controller.h"
#include "screen.h"
void screencontrol_handle_text_input(struct controller *controller,
struct screen *screen,
const SDL_TextInputEvent *event);
void screencontrol_handle_key(struct controller *controller,
struct screen *screen,
const SDL_KeyboardEvent *event);
void screencontrol_handle_mouse_motion(struct controller *controller,
struct screen *screen,
const SDL_MouseMotionEvent *event);
void screencontrol_handle_mouse_button(struct controller *controller,
struct screen *screen,
const SDL_MouseButtonEvent *event);
void screencontrol_handle_mouse_wheel(struct controller *controller,
struct screen *screen,
const SDL_MouseWheelEvent *event);
#endif