config: added option to choose the default monitor for the cursor (#5847)

* added option to choose the default monitor that the cursor will appear in upon startup

* fix: don't set cursor to default monitor after startup

* refactor to checkDefaultCursorWarp also fix focus

2 files changed, 42 insertions, 14 deletions

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index c12badf9..a2db6040 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -318,6 +318,7 @@ CConfigManager::CConfigManager() {
     m_pConfig->addConfigValue("general:layout", {"dwindle"});
     m_pConfig->addConfigValue("general:allow_tearing", Hyprlang::INT{0});
     m_pConfig->addConfigValue("general:resize_corner", Hyprlang::INT{0});
+    m_pConfig->addConfigValue("general:default_cursor_monitor", {STRVAL_EMPTY});
 
     m_pConfig->addConfigValue("misc:disable_hyprland_logo", Hyprlang::INT{0});
     m_pConfig->addConfigValue("misc:disable_splash_rendering", Hyprlang::INT{0});
diff --git a/src/events/Monitors.cpp b/src/events/Monitors.cpp
index d91ec4ba..11b7a25c 100644
--- a/src/events/Monitors.cpp
+++ b/src/events/Monitors.cpp
@@ -60,13 +60,45 @@ void Events::listener_change(wl_listener* listener, void* data) {
     wlr_output_manager_v1_set_configuration(g_pCompositor->m_sWLROutputMgr, CONFIG);
 }
 
+static void checkDefaultCursorWarp(std::shared_ptr<CMonitor>* PNEWMONITORWRAP, std::string monitorName) {
+    const auto  PNEWMONITOR = PNEWMONITORWRAP->get();
+
+    static auto PCURSORMONITOR    = CConfigValue<std::string>("general:default_cursor_monitor");
+    static auto firstMonitorAdded = std::chrono::system_clock::now();
+    static bool cursorDefaultDone = false;
+    static bool firstLaunch       = true;
+
+    const auto  POS = PNEWMONITOR->middle();
+
+    // by default, cursor should be set to first monitor detected
+    // this is needed as a default if the monitor given in config above doesn't exist
+    if (firstLaunch) {
+        firstLaunch = false;
+        g_pCompositor->warpCursorTo(POS, true);
+        g_pInputManager->refocus();
+    }
+
+    if (cursorDefaultDone || *PCURSORMONITOR == STRVAL_EMPTY)
+        return;
+
+    // after 10s, don't set cursor to default monitor
+    auto timePassedSec = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now() - firstMonitorAdded);
+    if (timePassedSec.count() > 10) {
+        cursorDefaultDone = true;
+        return;
+    }
+
+    if (*PCURSORMONITOR == monitorName) {
+        cursorDefaultDone = true;
+        g_pCompositor->warpCursorTo(POS, true);
+        g_pInputManager->refocus();
+    }
+}
+
 void Events::listener_newOutput(wl_listener* listener, void* data) {
     // new monitor added, let's accommodate for that.
     const auto OUTPUT = (wlr_output*)data;
 
-    // for warping the cursor on launch
-    static bool firstLaunch = true;
-
     if (!OUTPUT->name) {
         Debug::log(ERR, "New monitor has no name?? Ignoring");
         return;
@@ -101,17 +133,12 @@ void Events::listener_newOutput(wl_listener* listener, void* data) {
     g_pConfigManager->m_bWantsMonitorReload = true;
     g_pCompositor->scheduleFrameForMonitor(PNEWMONITOR);
 
-    if (firstLaunch) {
-        firstLaunch    = false;
-        const auto POS = PNEWMONITOR->middle();
-        if (g_pCompositor->m_sSeat.mouse)
-            wlr_cursor_warp(g_pCompositor->m_sWLRCursor, g_pCompositor->m_sSeat.mouse->mouse, POS.x, POS.y);
-    } else {
-        for (auto& w : g_pCompositor->m_vWindows) {
-            if (w->m_iMonitorID == PNEWMONITOR->ID) {
-                w->m_iLastSurfaceMonitorID = -1;
-                w->updateSurfaceScaleTransformDetails();
-            }
+    checkDefaultCursorWarp(PNEWMONITORWRAP, OUTPUT->name);
+
+    for (auto& w : g_pCompositor->m_vWindows) {
+        if (w->m_iMonitorID == PNEWMONITOR->ID) {
+            w->m_iLastSurfaceMonitorID = -1;
+            w->updateSurfaceScaleTransformDetails();
         }
     }
 }