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internal: new shared_ptr and weak_ptr implementation (#5883)

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moves std::shared_ptrs to a new implementation

Advantages:
- you can dereference a weak_ptr directly. This will obviously segfault on a nullptr deref if it's expired.
   - this is useful to avoid the .lock() hell where we are 100% sure the pointer _should_ be valid. (and if it isn't, it should throw.)
- weak_ptrs are still valid while the SP is being destroyed.
   - reasoning: while an object (e.g. CWindow) is being destroyed, its `weak_ptr self` should be accessible (the sp is still alive, and so is CWindow), but it's not because by stl it's already expired (to prevent resurrection)
   - this impl solves it differently. w_p is expired, but can still be dereferenced and used. Creating `s_p`s is not possible anymore, though.
   - this is useful in destructors and callbacks.
This commit is contained in:
Vaxry
2024-05-05 17:16:00 +01:00
committed by GitHub
parent 589f758d94
commit 1ed1ce9506
88 changed files with 899 additions and 414 deletions
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14
src/managers/input/TextInput.cpp
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@@ -11,7 +11,7 @@ CTextInput::CTextInput(STextInputV1* ti) : pV1Input(ti) {
initCallbacks();
}
CTextInput::CTextInput(std::weak_ptr<CTextInputV3> ti) : pV3Input(ti) {
CTextInput::CTextInput(WP<CTextInputV3> ti) : pV3Input(ti) {
initCallbacks();
}
@@ -109,7 +109,7 @@ void CTextInput::onCommit() {
return;
}
if (!(isV3() ? pV3Input.lock()->current.enabled : pV1Input->active)) {
if (!(isV3() ? pV3Input->current.enabled : pV1Input->active)) {
Debug::log(WARN, "Disabled TextInput commit?");
return;
}
@@ -180,7 +180,7 @@ void CTextInput::enter(wlr_surface* pSurface) {
}
if (isV3())
pV3Input.lock()->enter(pSurface);
pV3Input->enter(pSurface);
else {
zwp_text_input_v1_send_enter(pV1Input->resourceImpl, pSurface->resource);
pV1Input->active = true;
@@ -200,7 +200,7 @@ void CTextInput::leave() {
}
if (isV3() && focusedSurface())
pV3Input.lock()->leave(focusedSurface());
pV3Input->leave(focusedSurface());
else if (focusedSurface() && pV1Input) {
zwp_text_input_v1_send_leave(pV1Input->resourceImpl);
pV1Input->active = false;
@@ -216,7 +216,7 @@ wlr_surface* CTextInput::focusedSurface() {
}
wl_client* CTextInput::client() {
return isV3() ? pV3Input.lock()->client() : pV1Input->client;
return isV3() ? pV3Input->client() : pV1Input->client;
}
void CTextInput::commitStateToIME(SP<CInputMethodV2> ime) {
@@ -284,9 +284,9 @@ void CTextInput::updateIMEState(SP<CInputMethodV2> ime) {
}
bool CTextInput::hasCursorRectangle() {
return !isV3() || pV3Input.lock()->current.box.updated;
return !isV3() || pV3Input->current.box.updated;
}
CBox CTextInput::cursorBox() {
return CBox{isV3() ? pV3Input.lock()->current.box.cursorBox : pV1Input->cursorRectangle};
return CBox{isV3() ? pV3Input->current.box.cursorBox : pV1Input->cursorRectangle};
}