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relative-mouse-mode

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This commit is contained in:
Romain Vimont 2021-12-31 18:52:34 +01:00
parent 1240e34fa8
commit 2684966e12
3 changed files with 44 additions and 0 deletions
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2
app/src/hid_mouse.c
View file

@ -253,6 +253,8 @@ sc_hid_mouse_init(struct sc_hid_mouse *mouse, struct sc_aoa *aoa) {
mouse->mouse_processor.ops = &ops;
mouse->mouse_processor.relative_mode = true;
return true;
}

40
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 +365,7 @@ screen_init(struct screen *screen, const struct screen_params *params) {
screen->fullscreen = false;
screen->maximized = false;
screen->event_failed = false;
screen->mouse_captured = false;
static const struct sc_video_buffer_callbacks cbs = {
.on_new_frame = sc_video_buffer_on_new_frame,
@ -783,6 +795,34 @@ 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_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;
}

2
app/src/screen.h
View file

@ -51,6 +51,8 @@ struct screen {
bool event_failed; // in case SDL_PushEvent() returned an error
bool mouse_captured; // only relevant in relative mouse mode
AVFrame *frame;
};