moved placement strategies to different PlacementStrategy classes

1 files changed, 77 insertions, 0 deletions

diff --git a/src/ScreenPlacement.hh b/src/ScreenPlacement.hh
new file mode 100644
index 0000000..93e6a82
--- /dev/null
+++ b/src/ScreenPlacement.hh
@@ -0,0 +1,77 @@
+// ScreenPlacement.hh
+// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id$
+
+#ifndef SCREENPLACEMENT_HH
+#define SCREENPLACEMENT_HH
+
+#include "PlacementStrategy.hh"
+#include "FbTk/Resource.hh"
+
+class BScreen;
+
+/**
+ * Main class for strategy handling
+ * This is a bridge between screen and 
+ * the real placement strategy (rowcol, undermouse etc)
+ * The placeWindow function in this class is guaranteed to succeed.
+ * It holds a pointer to the real placement strategy which is
+ * called upon placeWindow, it also holds the placement resources
+ */
+class ScreenPlacement: public PlacementStrategy {
+public:
+    enum PlacementPolicy { 
+        ROWSMARTPLACEMENT, 
+        COLSMARTPLACEMENT,                            
+        CASCADEPLACEMENT, 
+        UNDERMOUSEPLACEMENT
+    };
+
+    enum RowDirection { 
+        LEFTRIGHT, ///< from left to right
+        RIGHTLEFT  ///< from right to left
+    };
+    enum ColumnDirection { 
+        TOPBOTTOM,  ///< from top to bottom
+        BOTTOMTOP   ///< from bottom to top
+    };
+
+    explicit ScreenPlacement(BScreen &screen);
+    /// placeWindow is guaranteed to succeed, ignore return value
+    /// @return true
+    bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                     const FluxboxWindow &window,
+                     int &place_x, int &place_y);
+
+    RowDirection rowDirection() const { return *m_row_direction; }
+    ColumnDirection colDirection() const { return *m_col_direction; }
+
+private:
+    FbTk::Resource<RowDirection> m_row_direction; ///< row direction resource
+    FbTk::Resource<ColumnDirection> m_col_direction; ///< column direction resource
+    FbTk::Resource<PlacementPolicy> m_placement_policy; ///< placement policy resource
+    PlacementPolicy m_old_policy; ///< holds old policy, used to determine if resources has changed
+    std::auto_ptr<PlacementStrategy> m_strategy; ///< main strategy
+    std::auto_ptr<PlacementStrategy> m_fallback_strategy; ///< a fallback strategy if the main strategy fails
+};
+
+#endif // SCREENPLACEMENT_HH