Added a feature for disabling sticky keys in Windows

direct/src/showbase/ShowBase.py

@@ -75,6 +75,11 @@ class ShowBase(DirectObject.DirectObject):
         # Setup wantVerifyPdb as soon as reasonable:
         Verify.wantVerifyPdb = self.config.GetBool('want-verify-pdb', 0)
 
+        # [gjeon] to disable sticky keys
+        storeAccessibilityShortcutKeys()
+        if self.config.GetBool('disable-sticky-keys', 0):
+            allowAccessibilityShortcutKeys(False)
+
         self.printEnvDebugInfo()
         vfs = VirtualFileSystem.getGlobalPtr()
 
@@ -418,6 +423,9 @@ class ShowBase(DirectObject.DirectObject):
 
         This function is designed to be safe to call multiple times."""
 
+        # [gjeon] restore sticky key settings
+        allowAccessibilityShortcutKeys(True)
+
         taskMgr.destroy()
 
         if getattr(self, 'musicManager', None):

direct/src/showbase/Sources.pp

@@ -12,6 +12,9 @@
     interrogatedb:c dconfig:c dtoolconfig:m \
     dtoolutil:c dtoolbase:c dtool:m
 
+  #define WIN_SYS_LIBS \
+    User32.lib
+
   #define SOURCES \
     showBase.cxx showBase.h
 

direct/src/showbase/showBase.cxx

@@ -20,6 +20,12 @@
 #include "camera.h"
 #include "graphicsPipeSelection.h"
 
+#ifdef WIN32
+#include <windows.h>  // For SystemParametersInfo()
+STICKYKEYS g_StartupStickyKeys = {sizeof(STICKYKEYS), 0};
+TOGGLEKEYS g_StartupToggleKeys = {sizeof(TOGGLEKEYS), 0};
+FILTERKEYS g_StartupFilterKeys = {sizeof(FILTERKEYS), 0};  
+#endif
 
 ConfigureDef(config_showbase);
 ConfigureFn(config_showbase) {
@@ -85,6 +91,61 @@ query_fullscreen_testresult(int xsize, int ysize) {
   return false;
 }
 
+void
+store_accessibility_shortcut_keys() {
+#ifdef WIN32
+  SystemParametersInfo(SPI_GETSTICKYKEYS, sizeof(STICKYKEYS), &g_StartupStickyKeys, 0);
+  SystemParametersInfo(SPI_GETTOGGLEKEYS, sizeof(TOGGLEKEYS), &g_StartupToggleKeys, 0);
+  SystemParametersInfo(SPI_GETFILTERKEYS, sizeof(FILTERKEYS), &g_StartupFilterKeys, 0);
+#endif
+}
+
+void
+allow_accessibility_shortcut_keys(bool allowKeys) {
+#ifdef WIN32
+  if( allowKeys )
+  {
+    // Restore StickyKeys/etc to original state and enable Windows key      
+    SystemParametersInfo(SPI_SETSTICKYKEYS, sizeof(STICKYKEYS), &g_StartupStickyKeys, 0);
+    SystemParametersInfo(SPI_SETTOGGLEKEYS, sizeof(TOGGLEKEYS), &g_StartupToggleKeys, 0);
+    SystemParametersInfo(SPI_SETFILTERKEYS, sizeof(FILTERKEYS), &g_StartupFilterKeys, 0);
+  } else {
+    // Disable StickyKeys/etc shortcuts but if the accessibility feature is on, 
+    // then leave the settings alone as its probably being usefully used
+ 
+    STICKYKEYS skOff = g_StartupStickyKeys;
+    if( (skOff.dwFlags & SKF_STICKYKEYSON) == 0 )
+    {
+      // Disable the hotkey and the confirmation
+      skOff.dwFlags &= ~SKF_HOTKEYACTIVE;
+      skOff.dwFlags &= ~SKF_CONFIRMHOTKEY;
+ 
+      SystemParametersInfo(SPI_SETSTICKYKEYS, sizeof(STICKYKEYS), &skOff, 0);
+    }
+ 
+    TOGGLEKEYS tkOff = g_StartupToggleKeys;
+    if( (tkOff.dwFlags & TKF_TOGGLEKEYSON) == 0 )
+    {
+      // Disable the hotkey and the confirmation
+      tkOff.dwFlags &= ~TKF_HOTKEYACTIVE;
+      tkOff.dwFlags &= ~TKF_CONFIRMHOTKEY;
+ 
+      SystemParametersInfo(SPI_SETTOGGLEKEYS, sizeof(TOGGLEKEYS), &tkOff, 0);
+    }
+ 
+    FILTERKEYS fkOff = g_StartupFilterKeys;
+    if( (fkOff.dwFlags & FKF_FILTERKEYSON) == 0 )
+    {
+      // Disable the hotkey and the confirmation
+      fkOff.dwFlags &= ~FKF_HOTKEYACTIVE;
+      fkOff.dwFlags &= ~FKF_CONFIRMHOTKEY;
+ 
+      SystemParametersInfo(SPI_SETFILTERKEYS, sizeof(FILTERKEYS), &fkOff, 0);
+    }
+  }  
+#endif  
+}
+
 #if 0
 int TempGridZoneManager::
 add_grid_zone(unsigned int x, 

direct/src/showbase/showBase.h

@@ -48,6 +48,10 @@ EXPCL_DIRECT void add_fullscreen_testsize(int xsize, int ysize);
 EXPCL_DIRECT void runtest_fullscreen_sizes(GraphicsWindow *win);
 EXPCL_DIRECT bool query_fullscreen_testresult(int xsize, int ysize);
 
+// to handle windows stickykeys
+EXPCL_DIRECT void store_accessibility_shortcut_keys();
+EXPCL_DIRECT void allow_accessibility_shortcut_keys(bool allowKeys);
+
 END_PUBLISH
 
 

dtool/src/parser-inc/windows.h

@@ -39,6 +39,10 @@ typedef WCHAR *BSTR;
 typedef struct _MediaType AM_MEDIA_TYPE;
 typedef struct _VIDEO_STREAM_CONFIG_CAPS VIDEO_STREAM_CONFIG_CAPS;
 typedef struct _GUID GUID;
+typedef struct _STICKYKEYS STICKYKEYS;
+typedef struct _TOGGLEKEYS TOGGLEKEYS;
+typedef struct _FILTERKEYS FILTERKEYS;
+
 #define CALLBACK 
 
 #define WINAPI