1 files changed, 57 insertions, 11 deletions

diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index b65287715c..3d33af9d9b 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -963,7 +963,7 @@ BOOL LLWindowSDL::setPosition(const LLCoordScreen position)
 	return TRUE;
 }
 
-BOOL LLWindowSDL::setSize(const LLCoordScreen size)
+BOOL LLWindowSDL::setSizeImpl(const LLCoordScreen size)
 {
 	if(mWindow)
 	{
@@ -981,10 +981,31 @@ BOOL LLWindowSDL::setSize(const LLCoordScreen size)
 	return FALSE;
 }
 
+BOOL LLWindowSDL::setSizeImpl(const LLCoordWindow size)
+{
+	if(mWindow)
+	{
+		// Push a resize event onto SDL's queue - we'll handle it
+		// when it comes out again.
+		SDL_Event event;
+		event.type = SDL_VIDEORESIZE;
+		event.resize.w = size.mX;
+		event.resize.h = size.mY;
+		SDL_PushEvent(&event); // copied into queue
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
 void LLWindowSDL::swapBuffers()
 {
 	if (mWindow)
+	{	
 		SDL_GL_SwapBuffers();
+	}
 }
 
 U32 LLWindowSDL::getFSAASamples()
@@ -1031,6 +1052,25 @@ void LLWindowSDL::setMouseClipping( BOOL b )
     //SDL_WM_GrabInput(b ? SDL_GRAB_ON : SDL_GRAB_OFF);
 }
 
+// virtual
+void LLWindowSDL::setMinSize(U32 min_width, U32 min_height, bool enforce_immediately)
+{
+	LLWindow::setMinSize(min_width, min_height, enforce_immediately);
+
+#if LL_X11
+	// Set the minimum size limits for X11 window
+	// so the window manager doesn't allow resizing below those limits.
+	XSizeHints* hints = XAllocSizeHints();
+	hints->flags |= PMinSize;
+	hints->min_width = mMinWindowWidth;
+	hints->min_height = mMinWindowHeight;
+
+	XSetWMNormalHints(mSDL_Display, mSDL_XWindowID, hints);
+
+	XFree(hints);
+#endif
+}
+
 BOOL LLWindowSDL::setCursorPosition(const LLCoordWindow position)
 {
 	BOOL result = TRUE;
@@ -1840,11 +1880,15 @@ void LLWindowSDL::gatherInput()
                 break;
 
             case SDL_VIDEORESIZE:  // *FIX: handle this?
+            {
 		llinfos << "Handling a resize event: " << event.resize.w <<
 			"x" << event.resize.h << llendl;
 
+		S32 width = llmax(event.resize.w, (S32)mMinWindowWidth);
+		S32 height = llmax(event.resize.h, (S32)mMinWindowHeight);
+
 		// *FIX: I'm not sure this is necessary!
-		mWindow = SDL_SetVideoMode(event.resize.w, event.resize.h, 32, mSDLFlags);
+		mWindow = SDL_SetVideoMode(width, height, 32, mSDLFlags);
 		if (!mWindow)
 		{
 			// *FIX: More informative dialog?
@@ -1857,10 +1901,10 @@ void LLWindowSDL::gatherInput()
     			}
                 break;
 		}
-		
-		mCallbacks->handleResize(this, event.resize.w, event.resize.h );
-                break;
 
+		mCallbacks->handleResize(this, width, height);
+                break;
+            }
             case SDL_ACTIVEEVENT:
                 if (event.active.state & SDL_APPINPUTFOCUS)
                 {
@@ -1911,6 +1955,8 @@ void LLWindowSDL::gatherInput()
 		break;
         }
     }
+	
+	updateCursor();
 
 #if LL_X11
     // This is a good time to stop flashing the icon if our mFlashTimer has
@@ -1997,7 +2043,7 @@ static SDL_Cursor *makeSDLCursorFromBMP(const char *filename, int hotx, int hoty
 	return sdlcursor;
 }
 
-void LLWindowSDL::setCursor(ECursorType cursor)
+void LLWindowSDL::updateCursor()
 {
 	if (ATIbug) {
 		// cursor-updating is very flaky when this bug is
@@ -2005,11 +2051,11 @@ void LLWindowSDL::setCursor(ECursorType cursor)
 		return;
 	}
 
-	if (mCurrentCursor != cursor)
+	if (mCurrentCursor != mNextCursor)
 	{
-		if (cursor < UI_CURSOR_COUNT)
+		if (mNextCursor < UI_CURSOR_COUNT)
 		{
-			SDL_Cursor *sdlcursor = mSDLCursors[cursor];
+			SDL_Cursor *sdlcursor = mSDLCursors[mNextCursor];
 			// Try to default to the arrow for any cursors that
 			// did not load correctly.
 			if (!sdlcursor && mSDLCursors[UI_CURSOR_ARROW])
@@ -2017,9 +2063,9 @@ void LLWindowSDL::setCursor(ECursorType cursor)
 			if (sdlcursor)
 				SDL_SetCursor(sdlcursor);
 		} else {
-			llwarns << "Tried to set invalid cursor number " << cursor << llendl;
+			llwarns << "Tried to set invalid cursor number " << mNextCursor << llendl;
 		}
-		mCurrentCursor = cursor;
+		mCurrentCursor = mNextCursor;
 	}
 }