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https://github.com/hyprwm/Hyprland
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Reuse same ID when reconnecting monitor, otherwise use minimum available ID (#2666)
Fixes #2601
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3 changed files with 20 additions and 8 deletions
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@ -1,6 +1,7 @@
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#include "Compositor.hpp"
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#include "helpers/Splashes.hpp"
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#include <random>
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#include <unordered_set>
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#include "debug/HyprCtl.hpp"
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#include "debug/CrashReporter.hpp"
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#ifdef USES_SYSTEMD
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@ -1697,14 +1698,23 @@ void CCompositor::updateWindowAnimatedDecorationValues(CWindow* pWindow) {
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d->updateWindow(pWindow);
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}
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int CCompositor::getNextAvailableMonitorID() {
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int64_t topID = -1;
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for (auto& m : m_vRealMonitors) {
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if ((int64_t)m->ID > topID)
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topID = m->ID;
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int CCompositor::getNextAvailableMonitorID(std::string const& name) {
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// reuse ID if it's already in the map
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if (m_mMonitorIDMap.contains(name))
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return m_mMonitorIDMap[name];
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// otherwise, find minimum available ID that is not in the map
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std::unordered_set<int> usedIDs;
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for (auto const& monitor : m_vRealMonitors) {
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usedIDs.insert(monitor->ID);
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}
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return topID + 1;
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int nextID = 0;
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while (usedIDs.count(nextID) > 0) {
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nextID++;
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}
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m_mMonitorIDMap[name] = nextID;
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return nextID;
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}
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void CCompositor::swapActiveWorkspaces(CMonitor* pMonitorA, CMonitor* pMonitorB) {
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@ -101,6 +101,8 @@ class CCompositor {
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std::vector<CWindow*> m_vWindowsFadingOut;
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std::vector<SLayerSurface*> m_vSurfacesFadingOut;
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std::unordered_map<std::string, int64_t> m_mMonitorIDMap;
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void initServer();
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void startCompositor();
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void cleanup();
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@ -168,7 +170,7 @@ class CCompositor {
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CMonitor* getMonitorInDirection(const char&);
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void updateAllWindowsAnimatedDecorationValues();
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void updateWindowAnimatedDecorationValues(CWindow*);
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int getNextAvailableMonitorID();
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int getNextAvailableMonitorID(std::string const & name);
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void moveWorkspaceToMonitor(CWorkspace*, CMonitor*);
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void swapActiveWorkspaces(CMonitor*, CMonitor*);
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CMonitor* getMonitorFromString(const std::string&);
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@ -76,7 +76,7 @@ void Events::listener_newOutput(wl_listener* listener, void* data) {
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Debug::log(LOG, "Adding completely new monitor.");
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PNEWMONITORWRAP = &g_pCompositor->m_vRealMonitors.emplace_back(std::make_shared<CMonitor>());
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(*PNEWMONITORWRAP)->ID = g_pCompositor->getNextAvailableMonitorID();
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(*PNEWMONITORWRAP)->ID = g_pCompositor->getNextAvailableMonitorID(OUTPUT->name);
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}
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const auto PNEWMONITOR = PNEWMONITORWRAP->get();
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