moved placement strategies to different PlacementStrategy classes

src/PlacementStrategy.hh

@@ -0,0 +1,21 @@
+#ifndef PLACEMENTSTRATEGY_HH
+#define PLACEMENTSTRATEGY_HH
+
+#include <vector>
+class FluxboxWindow;
+
+struct PlacementStrategy {
+    /**
+     * Calculates a placement for @win and returns suggested placement in @place_x and @place_y
+     * @param windowlist the windows that are on the same workspace
+     * @param win the window that needs to be placed
+     * @param place_x x placement of specific strategy
+     * @param place_y y placement of specific strategy
+     * @return true if the strategy found a placement for the window
+     */
+    virtual bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                             const FluxboxWindow &win,
+                             int &place_x, int &place_y) = 0;
+};
+
+#endif // PLACEMENTSTRATEGY_HH