First commit

DisableMonitor.c

@@ -0,0 +1,99 @@
+/**
+ * DisableMonitor, Disable Monitors on Mac
+ * 
+ * Copyright (C) 2014 Tobias Salzmann
+ * 
+ * DisableMonitor is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * DisableMonitor is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ * See the GNU General Public License for more details. You should have received a copy of the GNU
+ * General Public License along with DisableMonitor. If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * Authors: Tobias Salzmann
+ */
+#include <stdio.h>
+#include <libgen.h>
+#include <ApplicationServices/ApplicationServices.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    // for old macs?
+    //extern CGError CGConfigureDisplayEnabled(CGDisplayConfigRef, CGDirectDisplayID, bool);
+
+
+    extern CGError CGSConfigureDisplayEnabled(CGDisplayConfigRef, CGDirectDisplayID, bool);
+
+#ifdef __cplusplus
+}
+#endif
+
+int main(int argc, const char * argv[])
+{
+
+    if (argc < 2)
+    {
+        CGDirectDisplayID displays[0x10];
+        uint32_t nDisplays;
+        CGGetOnlineDisplayList(0x10, displays, &nDisplays);
+
+        printf("DisableMonitor - http://github.com/Eun/DisableMonitor\n\nusage: %s <display id>\n\n", basename((char*)argv[0]));
+
+        printf("Display ID | Metrics   | Main Display? | Active?\n");
+        if (nDisplays > 0)
+        {
+            for (int i = 0; i < nDisplays; i++)
+            {
+                printf("%10d | %4dx%-4d | %-13s | %-s\n", displays[i], (int)CGDisplayPixelsWide(displays[i]), (int)CGDisplayPixelsHigh(displays[i]), CGDisplayIsMain(displays[i]) ? "Yes" : "No", CGDisplayIsActive(displays[i]) ? "Yes" : "No");
+            }
+        }
+        else
+        {
+            printf("Could not detect displays!\n");
+        }
+
+        return 0;
+    }
+    else
+    {
+        CGError err;
+        CGDisplayConfigRef config;
+
+        CGDirectDisplayID display;
+
+        if (!strncmp(argv[1], "0", strlen(argv[1])))
+        {
+            display = CGMainDisplayID();
+        }
+        else
+        {
+            display = atoi(argv[1]);
+        }
+
+        err = CGBeginDisplayConfiguration (&config);
+        if (err != 0)
+        {
+            printf("Error in CGBeginDisplayConfiguration: %d\n", err);
+            return err;
+        }
+        err = CGSConfigureDisplayEnabled(config, display, !CGDisplayIsActive(display));
+        if (err != 0)
+        {
+            printf("Error in CGSConfigureDisplayEnabled: %d\n", err);
+            return err;
+        }
+        err = CGCompleteDisplayConfiguration(config, kCGConfigurePermanently);
+        if (err != 0)
+        {
+            printf("Error in CGCompleteDisplayConfiguration: %d\n", err);
+            return err;
+        }
+    }
+
+    return 0;
+}
+