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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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10
src/Compositor.cpp
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@@ -1183,7 +1183,7 @@ void CCompositor::sanityCheckWorkspaces() {
const auto& WORKSPACE = *it;
// If ref == 1, only the compositor holds a ref, which means it's inactive and has no mapped windows.
if (!WORKSPACE->m_bPersistent && WORKSPACE.use_count() == 1) {
if (!WORKSPACE->m_bPersistent && WORKSPACE.strongRef() == 1) {
it = m_vWorkspaces.erase(it);
continue;
}
@@ -1823,7 +1823,7 @@ void CCompositor::updateWindowAnimatedDecorationValues(PHLWINDOW pWindow) {
setBorderColor(*RENDERDATA.borderGradient);
else {
const bool GROUPLOCKED = pWindow->m_sGroupData.pNextWindow.lock() ? pWindow->getGroupHead()->m_sGroupData.locked : false;
if (pWindow == m_pLastWindow.lock()) {
if (pWindow == m_pLastWindow) {
const auto* const ACTIVECOLOR =
!pWindow->m_sGroupData.pNextWindow.lock() ? (!pWindow->m_sGroupData.deny ? ACTIVECOL : NOGROUPACTIVECOL) : (GROUPLOCKED ? GROUPACTIVELOCKEDCOL : GROUPACTIVECOL);
setBorderColor(pWindow->m_sSpecialRenderData.activeBorderColor.toUnderlying().m_vColors.empty() ? *ACTIVECOLOR :
@@ -1848,7 +1848,7 @@ void CCompositor::updateWindowAnimatedDecorationValues(PHLWINDOW pWindow) {
pWindow->m_sSpecialRenderData.alphaFullscreen.toUnderlying() * *PFULLSCREENALPHA) :
*PFULLSCREENALPHA;
} else {
if (pWindow == m_pLastWindow.lock())
if (pWindow == m_pLastWindow)
pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alphaOverride.toUnderlying() ? pWindow->m_sSpecialRenderData.alpha.toUnderlying() :
pWindow->m_sSpecialRenderData.alpha.toUnderlying() * *PACTIVEALPHA;
else
@@ -1867,7 +1867,7 @@ void CCompositor::updateWindowAnimatedDecorationValues(PHLWINDOW pWindow) {
// shadow
if (pWindow->m_iX11Type != 2 && !pWindow->m_bX11DoesntWantBorders) {
if (pWindow == m_pLastWindow.lock()) {
if (pWindow == m_pLastWindow) {
pWindow->m_cRealShadowColor = CColor(*PSHADOWCOL);
} else {
pWindow->m_cRealShadowColor = CColor(*PSHADOWCOLINACTIVE != INT_MAX ? *PSHADOWCOLINACTIVE : *PSHADOWCOL);
@@ -2346,7 +2346,7 @@ PHLWINDOW CCompositor::getWindowByRegex(const std::string& regexp) {
const bool FLOAT = regexp.starts_with("floating");
for (auto& w : m_vWindows) {
if (!w->m_bIsMapped || w->m_bIsFloating != FLOAT || w->m_pWorkspace != m_pLastWindow.lock()->m_pWorkspace || w->isHidden())
if (!w->m_bIsMapped || w->m_bIsFloating != FLOAT || w->m_pWorkspace != m_pLastWindow->m_pWorkspace || w->isHidden())
continue;
return w;