[weiden] 29298: Allow altering the monitor arrangement control behavior flags

Author: weiden
Date: Sat Sep 29 22:04:40 2007
New Revision: 29298

URL: http://svn.reactos.org/svn/reactos?rev=29298&view=rev
Log:
Allow altering the monitor arrangement control behavior flags

Modified:
    trunk/reactos/dll/cpl/desk/monslctl.c
    trunk/reactos/dll/cpl/desk/monslctl.h

Modified: trunk/reactos/dll/cpl/desk/monslctl.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/desk/monslctl.c?re…
==============================================================================
--- trunk/reactos/dll/cpl/desk/monslctl.c (original)
+++ trunk/reactos/dll/cpl/desk/monslctl.c Sat Sep 29 22:04:40 2007
@@ -21,15 +21,15 @@
     DWORD UIState;
     union
     {
-        DWORD dwFlags;
+        DWORD dwInternalFlags;
         struct
         {
             UINT Enabled : 1;
             UINT HasFocus : 1;
             UINT CanDisplay : 1;
-            UINT AllowSelectNone : 1;
         };
     };
+    DWORD ControlExStyle;
     DWORD MonitorsCount;
     INT SelectedMonitor;
     PMONSL_MONINFO MonitorInfo;
@@ -363,7 +363,7 @@
                 if (infoPtr->SelectedMonitor >= (INT)infoPtr->MonitorsCount)
                     infoPtr->SelectedMonitor = -1;
 
-                if (!infoPtr->AllowSelectNone && infoPtr->SelectedMonitor
< 0)
+                if (!(infoPtr->ControlExStyle & MSLM_EX_ALLOWSELECTNONE)
&& infoPtr->SelectedMonitor < 0)
                     infoPtr->SelectedMonitor = 0;
 
                 MonSelUpdateMonitorsInfo(infoPtr,
@@ -453,23 +453,33 @@
                        IN INT Index)
 {
     INT PrevSel;
+    BOOL PreventSelect = FALSE;
     BOOL Ret = FALSE;
 
     if (Index == -1 || Index < (INT)infoPtr->MonitorsCount)
     {
         if (Index != infoPtr->SelectedMonitor)
         {
-            PrevSel = infoPtr->SelectedMonitor;
-            infoPtr->SelectedMonitor = Index;
-
-            if (PrevSel >= 0)
-            {
-                MonSelRepaintMonitor(infoPtr,
-                                     PrevSel);
-            }
-
-            if (infoPtr->SelectedMonitor >= 0)
-                MonSelRepaintSelected(infoPtr);
+            if ((infoPtr->MonitorInfo[Index].Flags & MSL_MIF_DISABLED) &&
+                !(infoPtr->ControlExStyle & MSLM_EX_ALLOWSELECTDISABLED))
+            {
+                PreventSelect = TRUE;
+            }
+
+            if (!PreventSelect)
+            {
+                PrevSel = infoPtr->SelectedMonitor;
+                infoPtr->SelectedMonitor = Index;
+
+                if (PrevSel >= 0)
+                {
+                    MonSelRepaintMonitor(infoPtr,
+                                         PrevSel);
+                }
+
+                if (infoPtr->SelectedMonitor >= 0)
+                    MonSelRepaintSelected(infoPtr);
+            }
         }
 
         Ret = TRUE;
@@ -506,6 +516,29 @@
         DeleteObject(infoPtr->hbmDisabledPattern);
         infoPtr->hbmDisabledPattern = NULL;
     }
+}
+
+static BOOL
+MonSelSetExtendedStyle(IN OUT PMONITORSELWND infoPtr,
+                       IN DWORD dwExtendedStyle)
+{
+    if (dwExtendedStyle != infoPtr->ControlExStyle)
+    {
+        infoPtr->ControlExStyle = dwExtendedStyle;
+
+        /* Repaint the control */
+        InvalidateRect(infoPtr->hSelf,
+                       NULL,
+                       TRUE);
+    }
+
+    return TRUE;
+}
+
+static DWORD
+MonSelGetExtendedStyle(IN PMONITORSELWND infoPtr)
+{
+    return infoPtr->ControlExStyle;
 }
 
 static HFONT
@@ -777,7 +810,7 @@
 
             Index = MonSelHitTest(infoPtr,
                                   &pt);
-            if (Index >= 0 || infoPtr->AllowSelectNone)
+            if (Index >= 0 || (infoPtr->ControlExStyle &
MSLM_EX_ALLOWSELECTNONE))
             {
                 MonSelSetCurSelMonitor(infoPtr,
                                        Index);
@@ -883,7 +916,7 @@
         case WM_ENABLE:
         {
             infoPtr->Enabled = ((BOOL)wParam != FALSE);
-            /* FIXME */
+            MonSelRepaint(infoPtr);
             break;
         }
 
@@ -895,9 +928,7 @@
                 infoPtr->Enabled = !(((LPSTYLESTRUCT)lParam)->styleNew &
WS_DISABLED);
 
                 if (OldEnabled != infoPtr->Enabled)
-                {
-                    /* FIXME */
-                }
+                    MonSelRepaint(infoPtr);
             }
             break;
         }
@@ -957,6 +988,19 @@
             Ret = MonSelGetMonitorInfo(infoPtr,
                                        (INT)wParam,
                                        (PMONSL_MONINFO)lParam);
+            break;
+        }
+
+        case MSLM_SETEXSTYLE:
+        {
+            Ret = MonSelSetExtendedStyle(infoPtr,
+                                         (DWORD)lParam);
+            break;
+        }
+
+        case MSLM_GETEXSTYLE:
+        {
+            Ret = MonSelGetExtendedStyle(infoPtr);
             break;
         }
 

Modified: trunk/reactos/dll/cpl/desk/monslctl.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/desk/monslctl.h?re…
==============================================================================
--- trunk/reactos/dll/cpl/desk/monslctl.h (original)
+++ trunk/reactos/dll/cpl/desk/monslctl.h Sat Sep 29 22:04:40 2007
@@ -1,5 +1,9 @@
 #ifndef __MONSLCTL__H
 #define __MONSLCTL__H
+
+/* Control extended styles */
+#define MSLM_EX_ALLOWSELECTNONE 0x1
+#define MSLM_EX_ALLOWSELECTDISABLED 0x2
 
 /* MONSL_MONINFO Flags */
 #define MSL_MIF_DISABLED    0x1
@@ -95,6 +99,30 @@
  */
 #define MSLM_GETMONITORINFO (WM_USER + 0x17)
 
+/*
+ * MSLM_SETEXSTYLE
+ *   wParam: Ignored.
+ *   lParam: DWORD
+ *           Can be a combination of the following flags:
+ *             * MSLM_EX_ALLOWSELECTNONE
+ *                 Allow deselecting a monitor by clicking into
+ *                 unused areas of the control.
+ *             * MSLM_EX_ALLOWSELECTDISABLED
+ *                 Allow selecting disabled monitors
+ *
+ *   Returns non-zero value if successful.
+ */
+#define MSLM_SETEXSTYLE (WM_USER + 0x18)
+
+/*
+ * MSLM_GETEXSTYLE
+ *   wParam: Ignored.
+ *   lParam: Ignored
+ *
+ *   Returns the control's extended style flags.
+ */
+#define MSLM_GETEXSTYLE (WM_USER + 0x19)
+
 BOOL RegisterMonitorSelectionControl(IN HINSTANCE hInstance);
 VOID UnregisterMonitorSelectionControl(IN HINSTANCE hInstance);