Add some missing checks to window resize code.

4 files changed, 18 insertions, 8 deletions

diff --git a/src/client.cpp b/src/client.cpp
index 0e62d9a52..2d4de8a9f 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -167,7 +167,7 @@ volatile int frame_count = 0; /**< Counts the frames during one second */
 volatile int cur_time;
 volatile bool runCounters;
 bool isSafeMode = false;
-int serverVersion;
+int serverVersion = 0;
 int start_time;
 
 int textures_count = 0;
@@ -2363,6 +2363,8 @@ void Client::resizeVideo(int width, int height)
     width = std::max(640, width);
     height = std::max(480, height);
 
+    if (!mainGraphics)
+        return;
     if (mainGraphics->mWidth == width && mainGraphics->mHeight == height)
         return;
 
@@ -2396,7 +2398,8 @@ void Client::resizeVideo(int width, int height)
         if (mGame)
             mGame->videoResized(width, height);
 
-        gui->draw();
+        if (gui)
+            gui->draw();
 
         // Since everything appears to have worked out, remember to store the
         // new size in the configuration.
diff --git a/src/game.cpp b/src/game.cpp
index b6e956c98..fcec7731b 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -1947,6 +1947,8 @@ void Game::closeDialogs()
 
 void Game::videoResized(int width, int height)
 {
-    viewport->setSize(width, height);
-    windowMenu->setPosition(width - 3 - windowMenu->getWidth(), 3);
+    if (viewport)
+        viewport->setSize(width, height);
+    if (windowMenu)
+        windowMenu->setPosition(width - 3 - windowMenu->getWidth(), 3);
 }
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index e441111a9..1d8b45872 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -290,11 +290,14 @@ void Gui::videoResized()
 {
     WindowContainer *top = static_cast<WindowContainer*>(getTop());
 
-    int oldWidth = top->getWidth();
-    int oldHeight = top->getHeight();
+    if (top)
+    {
+        int oldWidth = top->getWidth();
+        int oldHeight = top->getHeight();
 
-    top->setSize(mainGraphics->mWidth, mainGraphics->mHeight);
-    top->adjustAfterResize(oldWidth, oldHeight);
+        top->setSize(mainGraphics->mWidth, mainGraphics->mHeight);
+        top->adjustAfterResize(oldWidth, oldHeight);
+    }
 }
 
 void Gui::setUseCustomCursor(bool customCursor)
diff --git a/src/gui/widgets/windowcontainer.cpp b/src/gui/widgets/windowcontainer.cpp
index ce218e042..9e698ffa6 100644
--- a/src/gui/widgets/windowcontainer.cpp
+++ b/src/gui/widgets/windowcontainer.cpp
@@ -48,6 +48,8 @@ void WindowContainer::adjustAfterResize(int oldScreenWidth,
                                         int oldScreenHeight)
 {
     for (WidgetListIterator i = mWidgets.begin(); i != mWidgets.end(); ++i)
+    {
         if (Window *window = dynamic_cast<Window*>(*i))
             window->adjustPositionAfterResize(oldScreenWidth, oldScreenHeight);
+    }
 }