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IO, Backends: add io.AddFocusEvent(). Clear pressed keys after loosing input focus (#3532)

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Amend/fix #2445, #2696, #3751, #4377
This commit is contained in:
thedmd
2021-08-02 20:17:26 +02:00
committed by ocornut
parent 86afe966d3
commit 2f40be638f
9 changed files with 93 additions and 11 deletions
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14
backends/imgui_impl_allegro5.cpp
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@ -16,6 +16,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-08-17: Calling io.AddFocusEvent() on ALLEGRO_EVENT_DISPLAY_SWITCH_OUT/ALLEGRO_EVENT_DISPLAY_SWITCH_IN events.
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
// 2021-05-19: Renderer: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: Change blending equation to preserve alpha in output buffer.
@ -390,6 +391,19 @@ bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* ev)
if (ev->keyboard.display == bd->Display)
io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN);
return true;
case ALLEGRO_EVENT_DISPLAY_SWITCH_OUT:
if (ev->display.source == bd->Display)
io.AddFocusEvent(false);
return true;
case ALLEGRO_EVENT_DISPLAY_SWITCH_IN:
if (ev->display.source == bd->Display)
{
io.AddFocusEvent(true);
#if defined(ALLEGRO_UNSTABLE)
al_clear_keyboard_state(bd->Display);
#endif
}
return true;
}
return false;
}