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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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205
app/src/screencontrol.c Normal file
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#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");
}
}
}