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Add a mechanism to report errors on event handling

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This paves the way to workaround HiDPI issues, which may recreate the
renderer and texture (which may fail) on window event.
This commit is contained in:
Romain Vimont 2020-04-24 23:31:21 +02:00
parent 04a31ef7b9
commit f3b7712ea2
3 changed files with 12 additions and 3 deletions
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8
app/src/scrcpy.c
View file

@ -128,6 +128,7 @@ enum event_result {
EVENT_RESULT_CONTINUE,
EVENT_RESULT_STOPPED_BY_USER,
EVENT_RESULT_STOPPED_BY_EOS,
EVENT_RESULT_STOPPED_BY_ERROR,
};
static enum event_result
@ -150,7 +151,9 @@ handle_event(SDL_Event *event, bool control) {
}
break;
case SDL_WINDOWEVENT:
screen_handle_window_event(&screen, &event->window);
if (!screen_handle_window_event(&screen, &event->window)) {
return EVENT_RESULT_STOPPED_BY_ERROR;
}
break;
case SDL_TEXTINPUT:
if (!control) {
@ -222,6 +225,9 @@ event_loop(bool display, bool control) {
case EVENT_RESULT_STOPPED_BY_EOS:
LOGW("Device disconnected");
return false;
case EVENT_RESULT_STOPPED_BY_ERROR:
LOGC("Stopping due to unrecoverable error");
return false;
case EVENT_RESULT_CONTINUE:
break;
}

4
app/src/screen.c
View file

@ -518,7 +518,7 @@ screen_resize_to_pixel_perfect(struct screen *screen) {
content_size.height);
}
void
bool
screen_handle_window_event(struct screen *screen,
const SDL_WindowEvent *event) {
switch (event->event) {
@ -558,6 +558,8 @@ screen_handle_window_event(struct screen *screen,
apply_windowed_size(screen);
break;
}
return true;
}
struct point

3
app/src/screen.h
View file

@ -111,7 +111,8 @@ void
screen_set_rotation(struct screen *screen, unsigned rotation);
// react to window events
void
// return true on success, false on unrecoverable error
bool
screen_handle_window_event(struct screen *screen, const SDL_WindowEvent *event);
// convert point from window coordinates to frame coordinates