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Added processed event flag as a return value in allegro5 backend

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This commit is contained in:
Andrew Kravchuk 2020-06-16 19:03:50 +03:00
parent 5bc1c2956c
commit 264abf4af1
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GPG Key ID: B8A851BA50F6285F
1 changed files with 12 additions and 5 deletions
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17
demo/allegro5/nuklear_allegro5.h
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@ -23,7 +23,7 @@
typedef struct NkAllegro5Font NkAllegro5Font;
NK_API struct nk_context* nk_allegro5_init(NkAllegro5Font *font, ALLEGRO_DISPLAY *dsp,
unsigned int width, unsigned int height);
NK_API void nk_allegro5_handle_event(ALLEGRO_EVENT *ev);
NK_API int nk_allegro5_handle_event(ALLEGRO_EVENT *ev);
NK_API void nk_allegro5_shutdown(void);
NK_API void nk_allegro5_render(void);
@ -306,7 +306,7 @@ nk_allegro5_render()
nk_clear(&allegro5.ctx);
}
NK_API void
NK_API int
nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
{
struct nk_context *ctx = &allegro5.ctx;
@ -315,12 +315,14 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
allegro5.width = (unsigned int)ev->display.width;
allegro5.height = (unsigned int)ev->display.height;
al_acknowledge_resize(ev->display.source);
return 1;
} break;
case ALLEGRO_EVENT_MOUSE_AXES: {
nk_input_motion(ctx, ev->mouse.x, ev->mouse.y);
if (ev->mouse.dz != 0) {
nk_input_scroll(ctx, nk_vec2(0,(float)ev->mouse.dz / al_get_mouse_wheel_precision()));
}
return 1;
} break;
case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
case ALLEGRO_EVENT_MOUSE_BUTTON_UP: {
@ -332,6 +334,7 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
button = NK_BUTTON_MIDDLE;
}
nk_input_button(ctx, button, ev->mouse.x, ev->mouse.y, ev->type == ALLEGRO_EVENT_MOUSE_BUTTON_DOWN);
return 1;
} break;
/* This essentially converts touch events to mouse events */
case ALLEGRO_EVENT_TOUCH_BEGIN:
@ -340,7 +343,7 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
would be manipulating multiple nuklear elements, as if there
were multiple mouse cursors */
if (allegro5.is_touch_down && allegro5.touch_down_id != ev->touch.id) {
return;
return 0;
}
if (ev->type == ALLEGRO_EVENT_TOUCH_BEGIN) {
allegro5.is_touch_down = 1;
@ -359,14 +362,16 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
allegro5.touch_down_id = -1;
}
nk_input_button(ctx, NK_BUTTON_LEFT, (int)ev->touch.x, (int)ev->touch.y, ev->type == ALLEGRO_EVENT_TOUCH_BEGIN);
return 1;
} break;
case ALLEGRO_EVENT_TOUCH_MOVE: {
/* Only acknowledge movements of a single touch, we are
simulating a mouse cursor */
if (!allegro5.is_touch_down || allegro5.touch_down_id != ev->touch.id) {
return;
return 0;
}
nk_input_motion(ctx, (int)ev->touch.x, (int)ev->touch.y);
return 1;
} break;
case ALLEGRO_EVENT_KEY_DOWN:
case ALLEGRO_EVENT_KEY_UP: {
@ -392,6 +397,7 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
nk_input_key(ctx, NK_KEY_TEXT_END, down);
nk_input_key(ctx, NK_KEY_SCROLL_END, down);
}
return 1;
} break;
case ALLEGRO_EVENT_KEY_CHAR: {
int kc = ev->keyboard.keycode;
@ -426,8 +432,9 @@ nk_allegro5_handle_event(ALLEGRO_EVENT *ev)
nk_input_unicode(ctx, ev->keyboard.unichar);
}
}
return 1;
} break;
default: break;
default: return 0; break;
}
}