mirrors/scrcpy
1
0
Fork 0
mirror of https://github.com/Genymobile/scrcpy.git synced 2025-04-21 12:05:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

relative-mouse-mode

Browse source
This commit is contained in:
Romain Vimont 2021-12-31 18:52:34 +01:00
parent 9ec4017910
commit 7dba4a9e98
2 changed files with 83 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
app/src/screen.c
View file

@ -156,6 +156,17 @@ get_initial_optimal_size(struct sc_size content_size, uint16_t req_width,
return window_size;
}
static inline void
screen_capture_mouse(struct screen *screen, bool capture) {
if (SDL_SetRelativeMouseMode(capture)) {
LOGE("Could not set relative mouse mode to %s: %s",
capture ? "true" : "false", SDL_GetError());
return;
}
screen->mouse_captured = capture;
}
static void
screen_update_content_rect(struct screen *screen) {
int dw;
@ -354,6 +365,8 @@ screen_init(struct screen *screen, const struct screen_params *params) {
screen->fullscreen = false;
screen->maximized = false;
screen->event_failed = false;
screen->mouse_captured = false;
screen->mouse_capture_key_pressed = 0;
static const struct sc_video_buffer_callbacks cbs = {
.on_new_frame = sc_video_buffer_on_new_frame,
@ -741,6 +754,11 @@ screen_resize_to_pixel_perfect(struct screen *screen) {
content_size.height);
}
static inline bool
screen_is_mouse_capture_key(SDL_Keycode key) {
return key == SDLK_LALT || key == SDLK_LGUI || key == SDLK_RGUI;
}
bool
screen_handle_event(struct screen *screen, SDL_Event *event) {
switch (event->type) {
@ -783,8 +801,68 @@ screen_handle_event(struct screen *screen, SDL_Event *event) {
apply_pending_resize(screen);
screen_render(screen, true);
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
if (screen->im.mp->relative_mode) {
screen_capture_mouse(screen, false);
}
break;
}
return true;
case SDL_KEYDOWN:
if (screen->im.mp->relative_mode) {
SDL_Keycode key = event->key.keysym.sym;
if (screen_is_mouse_capture_key(key)) {
if (!screen->mouse_capture_key_pressed) {
screen->mouse_capture_key_pressed = key;
return true;
} else {
// Another mouse capture key has been pressed, cancel
// mouse (un)capture
screen->mouse_capture_key_pressed = 0;
// Do not return, the event must be forwarded to the
// input manager
}
}
}
break;
case SDL_KEYUP:
if (screen->im.mp->relative_mode) {
SDL_Keycode key = event->key.keysym.sym;
SDL_Keycode cap = screen->mouse_capture_key_pressed;
screen->mouse_capture_key_pressed = 0;
if (key == cap) {
// A mouse capture key has been pressed then released:
// toggle the capture mouse mode
screen_capture_mouse(screen, !screen->mouse_captured);
return true;
}
// Do not return, the event must be forwarded to the input
// manager
}
break;
case SDL_MOUSEWHEEL:
case SDL_MOUSEMOTION:
case SDL_MOUSEBUTTONDOWN:
if (screen->im.mp->relative_mode && !screen->mouse_captured) {
// Do not forward to input manager, the mouse will be captured
// on SDL_MOUSEBUTTONUP
return true;
}
break;
case SDL_FINGERMOTION:
case SDL_FINGERDOWN:
case SDL_FINGERUP:
if (screen->im.mp->relative_mode) {
// Touch events are not compatible with relative mode
// (coordinates are not relative)
return true;
}
break;
case SDL_MOUSEBUTTONUP:
if (screen->im.mp->relative_mode && !screen->mouse_captured) {
screen_capture_mouse(screen, true);
return true;
}
}
return input_manager_handle_event(&screen->im, event);

5
app/src/screen.h
View file

@ -51,6 +51,11 @@ struct screen {
bool event_failed; // in case SDL_PushEvent() returned an error
bool mouse_captured; // only relevant in relative mouse mode
// To enable/disable mouse capture, a mouse capture key (LALT, LGUI or
// RGUI) must be pressed. This variable tracks the pressed capture key.
SDL_Keycode mouse_capture_key_pressed;
AVFrame *frame;
};