[PATCH 4/5] xnest: make MAXSCREENS run-time configurable

[Tiago Vignatti]

Signed-off-by: Tiago Vignatti <tiago.vignatti at nokia.com>
---
 hw/xnest/Args.c   |    5 +++--
 hw/xnest/Color.c  |    6 +++++-
 hw/xnest/Init.c   |    3 +++
 hw/xnest/Screen.c |    4 ++--
 hw/xnest/Screen.h |    4 ++--
 5 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/hw/xnest/Args.c b/hw/xnest/Args.c
index cdc8311..1cd2105 100644
--- a/hw/xnest/Args.c
+++ b/hw/xnest/Args.c
@@ -19,6 +19,7 @@ is" without express or implied warranty.
 #include <X11/X.h>
 #include <X11/Xproto.h>
 #include "screenint.h"
+#include "globals.h"
 #include "input.h"
 #include "misc.h"
 #include "scrnintstr.h"
@@ -151,13 +152,13 @@ ddxProcessArgument (int argc, char *argv[], int i)
   }
   if (!strcmp(argv[i], "-scrns")) {
     if (++i < argc && sscanf(argv[i], "%i", &xnestNumScreens) == 1) {
-      if (xnestNumScreens > 0) {
+	if (xnestNumScreens > 0) SetMaxScreens(xnestNumScreens);
+	else return 0;
 	if (xnestNumScreens > MAXSCREENS) {
 	  ErrorF("Maximum number of screens is %d.\n", MAXSCREENS);
 	  xnestNumScreens = MAXSCREENS;
 	}
 	return 2;
-      }
     }
     return 0;
   }
diff --git a/hw/xnest/Color.c b/hw/xnest/Color.c
index dc74947..091f291 100644
--- a/hw/xnest/Color.c
+++ b/hw/xnest/Color.c
@@ -34,7 +34,7 @@ is" without express or implied warranty.
 #include "XNWindow.h"
 #include "Args.h"
 
-static ColormapPtr InstalledMaps[MAXSCREENS];
+static ColormapPtr *InstalledMaps;
 
 Bool
 xnestCreateColormap(ColormapPtr pCmap)
@@ -334,6 +334,8 @@ xnestInstallColormap(ColormapPtr pCmap)
 {
   int index;
   ColormapPtr pOldCmap;
+
+  MAXSCREENSALLOC_FATAL(InstalledMaps);
   
   index = pCmap->pScreen->myNum;
   pOldCmap = InstalledMaps[index];
@@ -360,6 +362,8 @@ xnestUninstallColormap(ColormapPtr pCmap)
   int index;
   ColormapPtr pCurCmap;
   
+  MAXSCREENSFREE(InstalledMaps);
+
   index = pCmap->pScreen->myNum;
   pCurCmap = InstalledMaps[index];
   
diff --git a/hw/xnest/Init.c b/hw/xnest/Init.c
index 8a90cc6..9e64bde 100644
--- a/hw/xnest/Init.c
+++ b/hw/xnest/Init.c
@@ -52,6 +52,9 @@ InitOutput(ScreenInfo *screenInfo, int argc, char *argv[])
 {
   int i, j;
 
+  MAXSCREENSALLOC_FATAL(xnestDefaultWindows);
+  MAXSCREENSALLOC_FATAL(xnestScreenSaverWindows);
+
   xnestOpenDisplay(argc, argv);
   
   screenInfo->imageByteOrder = ImageByteOrder(xnestDisplay);
diff --git a/hw/xnest/Screen.c b/hw/xnest/Screen.c
index ca903d7..e82496d 100644
--- a/hw/xnest/Screen.c
+++ b/hw/xnest/Screen.c
@@ -43,8 +43,8 @@ is" without express or implied warranty.
 #include "Args.h"
 #include "mipointrst.h"
 
-Window xnestDefaultWindows[MAXSCREENS];
-Window xnestScreenSaverWindows[MAXSCREENS];
+Window *xnestDefaultWindows;
+Window *xnestScreenSaverWindows;
 static int xnestCursorScreenKeyIndex;
 DevPrivateKey xnestCursorScreenKey = &xnestCursorScreenKeyIndex;
 
diff --git a/hw/xnest/Screen.h b/hw/xnest/Screen.h
index b113c64..d8ffceb 100644
--- a/hw/xnest/Screen.h
+++ b/hw/xnest/Screen.h
@@ -15,8 +15,8 @@ is" without express or implied warranty.
 #ifndef XNESTSCREEN_H
 #define XNESTSCREEN_H
 
-extern Window xnestDefaultWindows[MAXSCREENS];
-extern Window xnestScreenSaverWindows[MAXSCREENS];
+extern Window *xnestDefaultWindows;
+extern Window *xnestScreenSaverWindows;
 
 ScreenPtr xnestScreen(Window window);
 Bool xnestOpenScreen(int index, ScreenPtr pScreen, int argc, char *argv[]);
-- 
1.6.0.4