Make forced center ui optional (will be needed later)

source/backend/plugin/CarlaPlugin.cpp

@@ -1323,7 +1323,7 @@ void CarlaPlugin::idle()
     CarlaString uiTitle(pData->name);
     uiTitle += " (GUI)";
 
-    if (CarlaPluginUI::tryTransientWinIdMatch(pData->osc.data.target != nullptr ? pData->osc.thread.getPid() : 0, uiTitle, pData->engine->getOptions().frontendWinId))
+    if (CarlaPluginUI::tryTransientWinIdMatch(pData->osc.data.target != nullptr ? pData->osc.thread.getPid() : 0, uiTitle, pData->engine->getOptions().frontendWinId, true))
         pData->transientTryCounter = 0;
 }
 

source/utils/CarlaPluginUI.cpp

@@ -298,7 +298,7 @@ private:
 
 // -----------------------------------------------------
 
-bool CarlaPluginUI::tryTransientWinIdMatch(const uintptr_t pid, const char* const uiTitle, const uintptr_t winId)
+bool CarlaPluginUI::tryTransientWinIdMatch(const uintptr_t pid, const char* const uiTitle, const uintptr_t winId, const bool centerUI)
 {
     CARLA_SAFE_ASSERT_RETURN(uiTitle != nullptr && uiTitle[0] != '\0', true);
     CARLA_SAFE_ASSERT_RETURN(winId != 0, true);
@@ -446,7 +446,7 @@ bool CarlaPluginUI::tryTransientWinIdMatch(const uintptr_t pid, const char* cons
 
     XSetTransientForHint(sd.display, lastGoodWindow, hostWinId);
 
-    // center the plugin UI
+    if (centerUI)
     {
         int hostX, hostY, pluginX, pluginY;
         uint hostWidth, hostHeight, pluginWidth, pluginHeight, border, depth;

source/utils/CarlaPluginUI.hpp

@@ -44,7 +44,7 @@ public:
     virtual void* getDisplay() const noexcept = 0;
 #endif
 
-    static bool tryTransientWinIdMatch(const uintptr_t pid, const char* const uiTitle, const uintptr_t winId);
+    static bool tryTransientWinIdMatch(const uintptr_t pid, const char* const uiTitle, const uintptr_t winId, const bool centerUI);
 
 #ifdef CARLA_OS_MAC
     static CarlaPluginUI* newCocoa(CloseCallback*, uintptr_t);