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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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28
src/managers/KeybindManager.cpp
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@@ -532,7 +532,7 @@ int repeatKeyHandler(void* data) {
Debug::log(LOG, "Keybind repeat triggered, calling dispatcher.");
DISPATCHER->second((*ppActiveKeybind)->arg);
wl_event_source_timer_update(g_pKeybindManager->m_pActiveKeybindEventSource, 1000 / g_pCompositor->m_sSeat.keyboard.lock()->repeatRate);
wl_event_source_timer_update(g_pKeybindManager->m_pActiveKeybindEventSource, 1000 / g_pCompositor->m_sSeat.keyboard->repeatRate);
return 0;
}
@@ -1162,7 +1162,7 @@ void CKeybindManager::moveActiveToWorkspaceSilent(std::string args) {
g_pCompositor->moveWindowToWorkspaceSafe(PWINDOW, pWorkspace);
}
if (PWINDOW == g_pCompositor->m_pLastWindow.lock()) {
if (PWINDOW == g_pCompositor->m_pLastWindow) {
if (const auto PATCOORDS = g_pCompositor->vectorToWindowUnified(OLDMIDDLE, RESERVED_EXTENTS | INPUT_EXTENTS | ALLOW_FLOATING, PWINDOW); PATCOORDS)
g_pCompositor->focusWindow(PATCOORDS);
else
@@ -1910,7 +1910,7 @@ void CKeybindManager::pass(std::string regexp) {
return;
}
const auto XWTOXW = PWINDOW->m_bIsX11 && g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow.lock()->m_bIsX11;
const auto XWTOXW = PWINDOW->m_bIsX11 && g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow->m_bIsX11;
const auto SL = Vector2D(g_pCompositor->m_sSeat.seat->pointer_state.sx, g_pCompositor->m_sSeat.seat->pointer_state.sy);
uint32_t keycodes[32] = {0};
@@ -2026,9 +2026,9 @@ void CKeybindManager::swapnext(std::string arg) {
const auto PLASTWINDOW = g_pCompositor->m_pLastWindow.lock();
const auto PLASTCYCLED = validMapped(g_pCompositor->m_pLastWindow.lock()->m_pLastCycledWindow) &&
g_pCompositor->m_pLastWindow.lock()->m_pLastCycledWindow.lock()->m_pWorkspace == PLASTWINDOW->m_pWorkspace ?
g_pCompositor->m_pLastWindow.lock()->m_pLastCycledWindow.lock() :
const auto PLASTCYCLED =
validMapped(g_pCompositor->m_pLastWindow->m_pLastCycledWindow) && g_pCompositor->m_pLastWindow->m_pLastCycledWindow->m_pWorkspace == PLASTWINDOW->m_pWorkspace ?
g_pCompositor->m_pLastWindow->m_pLastCycledWindow.lock() :
nullptr;
if (arg == "last" || arg == "l" || arg == "prev" || arg == "p")
@@ -2151,7 +2151,7 @@ void CKeybindManager::mouse(std::string args) {
}
void CKeybindManager::bringActiveToTop(std::string args) {
if (g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow.lock()->m_bIsFloating)
if (g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow->m_bIsFloating)
g_pCompositor->changeWindowZOrder(g_pCompositor->m_pLastWindow.lock(), true);
}
@@ -2160,7 +2160,7 @@ void CKeybindManager::alterZOrder(std::string args) {
const auto POSITION = args.substr(0, args.find_first_of(','));
auto PWINDOW = g_pCompositor->getWindowByRegex(WINDOWREGEX);
if (!PWINDOW && g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow.lock()->m_bIsFloating)
if (!PWINDOW && g_pCompositor->m_pLastWindow.lock() && g_pCompositor->m_pLastWindow->m_bIsFloating)
PWINDOW = g_pCompositor->m_pLastWindow.lock();
if (!PWINDOW) {
@@ -2183,8 +2183,8 @@ void CKeybindManager::alterZOrder(std::string args) {
void CKeybindManager::fakeFullscreenActive(std::string args) {
if (!g_pCompositor->m_pLastWindow.expired()) {
// will also set the flag
g_pCompositor->m_pLastWindow.lock()->m_bFakeFullscreenState = !g_pCompositor->m_pLastWindow.lock()->m_bFakeFullscreenState;
g_pXWaylandManager->setWindowFullscreen(g_pCompositor->m_pLastWindow.lock(), g_pCompositor->m_pLastWindow.lock()->shouldSendFullscreenState());
g_pCompositor->m_pLastWindow->m_bFakeFullscreenState = !g_pCompositor->m_pLastWindow->m_bFakeFullscreenState;
g_pXWaylandManager->setWindowFullscreen(g_pCompositor->m_pLastWindow.lock(), g_pCompositor->m_pLastWindow->shouldSendFullscreenState());
}
}
@@ -2349,7 +2349,7 @@ void CKeybindManager::moveWindowOrGroup(std::string args) {
const bool ISWINDOWGROUPSINGLE = ISWINDOWGROUP && PWINDOW->m_sGroupData.pNextWindow.lock() == PWINDOW;
// note: PWINDOWINDIR is not null implies !PWINDOW->m_bIsFloating
if (PWINDOWINDIR && PWINDOWINDIR->m_sGroupData.pNextWindow.lock()) { // target is group
if (PWINDOWINDIR && PWINDOWINDIR->m_sGroupData.pNextWindow) { // target is group
if (!*PIGNOREGROUPLOCK && (PWINDOWINDIR->getGroupHead()->m_sGroupData.locked || ISWINDOWGROUPLOCKED || PWINDOW->m_sGroupData.deny)) {
g_pLayoutManager->getCurrentLayout()->moveWindowTo(PWINDOW, args);
g_pCompositor->warpCursorTo(PWINDOW->middle());
@@ -2416,9 +2416,9 @@ void CKeybindManager::moveGroupWindow(std::string args) {
if (!PLASTWINDOW || !PLASTWINDOW->m_sGroupData.pNextWindow.lock())
return;
if ((!BACK && PLASTWINDOW->m_sGroupData.pNextWindow.lock()->m_sGroupData.head) || (BACK && PLASTWINDOW->m_sGroupData.head)) {
std::swap(PLASTWINDOW->m_sGroupData.head, PLASTWINDOW->m_sGroupData.pNextWindow.lock()->m_sGroupData.head);
std::swap(PLASTWINDOW->m_sGroupData.locked, PLASTWINDOW->m_sGroupData.pNextWindow.lock()->m_sGroupData.locked);
if ((!BACK && PLASTWINDOW->m_sGroupData.pNextWindow->m_sGroupData.head) || (BACK && PLASTWINDOW->m_sGroupData.head)) {
std::swap(PLASTWINDOW->m_sGroupData.head, PLASTWINDOW->m_sGroupData.pNextWindow->m_sGroupData.head);
std::swap(PLASTWINDOW->m_sGroupData.locked, PLASTWINDOW->m_sGroupData.pNextWindow->m_sGroupData.locked);
} else
PLASTWINDOW->switchWithWindowInGroup(BACK ? PLASTWINDOW->getGroupPrevious() : PLASTWINDOW->m_sGroupData.pNextWindow.lock());