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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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4
src/desktop/Workspace.cpp
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@@ -3,7 +3,7 @@
#include "../config/ConfigValue.hpp"
PHLWORKSPACE CWorkspace::create(int id, int monitorID, std::string name, bool special) {
PHLWORKSPACE workspace = std::make_shared<CWorkspace>(id, monitorID, name, special);
PHLWORKSPACE workspace = makeShared<CWorkspace>(id, monitorID, name, special);
workspace->init(workspace);
return workspace;
}
@@ -183,7 +183,7 @@ void CWorkspace::moveToMonitor(const int& id) {
}
PHLWINDOW CWorkspace::getLastFocusedWindow() {
if (!validMapped(m_pLastFocusedWindow) || m_pLastFocusedWindow.lock()->workspaceID() != m_iID)
if (!validMapped(m_pLastFocusedWindow) || m_pLastFocusedWindow->workspaceID() != m_iID)
return nullptr;
return m_pLastFocusedWindow.lock();