moved placement strategies to different PlacementStrategy classes

15 files changed, 905 insertions, 366 deletions

diff --git a/src/CascadePlacement.cc b/src/CascadePlacement.cc
new file mode 100644
index 0000000..4cad9d0
--- /dev/null
+++ b/src/CascadePlacement.cc
@@ -0,0 +1,75 @@
+// CascadePlacement.cc
+// 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.
+
+// $Id$
+
+#include "CascadePlacement.hh"
+
+#include "Window.hh"
+#include "Screen.hh"
+
+CascadePlacement::CascadePlacement(const BScreen &screen) {
+    // +1 ?
+    m_cascade_x = new int[screen.numHeads() + 1];
+    m_cascade_y = new int[screen.numHeads() + 1];
+    for (int i=0; i < screen.numHeads() + 1; i++) {
+        m_cascade_x[i] = 32 + screen.getHeadX(i);
+        m_cascade_y[i] = 32 + screen.getHeadY(i);
+    }
+
+}
+
+CascadePlacement::~CascadePlacement() {
+    delete [] m_cascade_x;
+    delete [] m_cascade_y;
+}
+
+bool CascadePlacement::placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                                   const FluxboxWindow &win,
+                                   int &place_x, int &place_y) {
+
+    int head = (signed) win.screen().getCurrHead();
+    int head_left = (signed) win.screen().maxLeft(head);
+    int head_right = (signed) win.screen().maxRight(head);
+    int head_top = (signed) win.screen().maxTop(head);
+    int head_bot = (signed) win.screen().maxBottom(head);
+
+    if ((m_cascade_x[head] > ((head_left + head_right) / 2)) ||
+        (m_cascade_y[head] > ((head_top + head_bot) / 2))) {
+        m_cascade_x[head] = head_left + 32;
+        m_cascade_y[head] = head_top + 32;
+    }
+
+    place_x = m_cascade_x[head];
+    place_y = m_cascade_y[head];
+
+    // just one borderwidth, so they can share a borderwidth (looks better)
+    int titlebar_height = 
+        win.titlebarHeight() + win.fbWindow().borderWidth();
+    if (titlebar_height < 4) // make sure it is not insignificant
+        titlebar_height = 32;
+
+    m_cascade_x[head] += titlebar_height;
+    m_cascade_y[head] += titlebar_height;
+
+    return true;
+}
+
diff --git a/src/CascadePlacement.hh b/src/CascadePlacement.hh
new file mode 100644
index 0000000..6fde194
--- /dev/null
+++ b/src/CascadePlacement.hh
@@ -0,0 +1,45 @@
+// CascadePlacement.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 CASCADEPLACEMENT_HH
+#define CASCADEPLACEMENT_HH
+
+#include "PlacementStrategy.hh"
+#include "FbTk/NotCopyable.hh"
+
+class BScreen;
+
+class CascadePlacement: public PlacementStrategy, 
+                        private FbTk::NotCopyable {
+public:
+    explicit CascadePlacement(const BScreen &screen);
+    ~CascadePlacement();
+    bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                     const FluxboxWindow &window,
+                     int &place_x, int &place_y);
+private:
+    int *m_cascade_x; ///< need a cascade for each head (Xinerama)
+    int *m_cascade_y; ///< need a cascade for each head (Xinerama)
+};
+
+#endif // CASCADEPLACEMENT_HH
diff --git a/src/ColSmartPlacement.cc b/src/ColSmartPlacement.cc
new file mode 100644
index 0000000..abb74d7
--- /dev/null
+++ b/src/ColSmartPlacement.cc
@@ -0,0 +1,136 @@
+// ColSmartPlacement.cc
+// 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.
+
+// $Id$
+
+#include "ColSmartPlacement.hh"
+
+#include "Screen.hh"
+#include "ScreenPlacement.hh"
+#include "Window.hh"
+
+bool ColSmartPlacement::placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                                    const FluxboxWindow &win,
+                                    int &place_x, int &place_y) {
+
+    // xinerama head constraints
+    int head = (signed) win.screen().getCurrHead();
+    int head_left = (signed) win.screen().maxLeft(head);
+    int head_right = (signed) win.screen().maxRight(head);
+    int head_top = (signed) win.screen().maxTop(head);
+    int head_bot = (signed) win.screen().maxBottom(head);
+
+    bool placed = false;
+    int next_x, next_y;
+    const ScreenPlacement &screen_placement = 
+        dynamic_cast<const ScreenPlacement &>(win.screen().placementStrategy());
+
+    bool top_bot = screen_placement.colDirection() == ScreenPlacement::TOPBOTTOM;
+    bool left_right = screen_placement.rowDirection() == ScreenPlacement::LEFTRIGHT;
+
+    int test_x;
+
+    int win_w = win.width() + win.fbWindow().borderWidth()*2;
+    int win_h = win.height() + win.fbWindow().borderWidth()*2;
+
+    if (left_right)
+        test_x = head_left;
+    else
+        test_x = head_right - win_w;
+
+    int change_y = 1;
+    if (screen_placement.colDirection() == ScreenPlacement::BOTTOMTOP)
+        change_y = -1;
+
+    while (!placed &&
+           (left_right ? test_x + win_w <= head_right
+            : test_x >= head_left)) {
+                
+        if (left_right)
+            next_x = head_right; // it will get shrunk
+        else 
+            next_x = head_left-1;
+
+        int test_y;
+        if (top_bot)
+            test_y = head_top;
+        else
+            test_y = head_bot - win_h;
+
+        while (!placed && 
+               (top_bot ? test_y + win_h <= head_bot
+                : test_y >= head_top)) {
+            placed = true;
+
+            next_y = test_y + change_y;
+
+            std::vector<FluxboxWindow *>::const_iterator it = 
+                windowlist.begin();
+            std::vector<FluxboxWindow *>::const_iterator it_end = 
+                windowlist.end();
+            for (; it != it_end && placed; ++it) {
+                int curr_x = (*it)->x();
+                int curr_y = (*it)->y();
+                int curr_w = (*it)->width()  + (*it)->fbWindow().borderWidth()*2;
+                int curr_h = (*it)->height() + (*it)->fbWindow().borderWidth()*2;
+
+                if (curr_x < test_x + win_w &&
+                    curr_x + curr_w > test_x &&
+                    curr_y < test_y + win_h &&
+                    curr_y + curr_h > test_y) {
+                    // this window is in the way
+                    placed = false;
+
+                    // we find the next y that we can go to (a window will be in the way
+                    // all the way to its bottom)
+                    if (top_bot) {
+                        if (curr_y + curr_h > next_y)
+                            next_y = curr_y + curr_h;
+                    } else {
+                        if (curr_y - win_h < next_y)
+                            next_y = curr_y - win_h;
+                    }
+
+                    // but we can only go to the nearest x, since that is where the 
+                    // next time current windows in the way will change
+                    if (left_right) {
+                        if (curr_x + curr_w < next_x) 
+                            next_x = curr_x + curr_w;
+                    } else {
+                        if (curr_x - win_w > next_x)
+                            next_x = curr_x - win_w;
+                    }
+                }
+            }
+
+            if (placed) {
+                place_x = test_x;
+                place_y = test_y;
+            }
+
+            test_y = next_y;
+        } // end while
+
+        test_x = next_x;
+    } // end while
+
+    return placed;
+}
diff --git a/src/ColSmartPlacement.hh b/src/ColSmartPlacement.hh
new file mode 100644
index 0000000..ad17d3b
--- /dev/null
+++ b/src/ColSmartPlacement.hh
@@ -0,0 +1,36 @@
+// ColSmartPlacement.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 COLSMARTPLACEMENT_HH
+#define COLSMARTPLACEMENT_HH
+
+#include "PlacementStrategy.hh"
+
+class ColSmartPlacement: public PlacementStrategy {
+public:
+    bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                     const FluxboxWindow &win, 
+                     int &place_x, int &place_y);
+};
+
+#endif // COLSMARTPLACEMENT_HH
diff --git a/src/Makefile.am b/src/Makefile.am
index f2f515d..156eff8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -128,6 +128,11 @@ fluxbox_SOURCES = AtomHandler.hh ArrowButton.hh ArrowButton.cc \
         Resources.cc \
         WindowCmd.hh WindowCmd.cc \
         FocusControl.hh FocusControl.cc \
+        CascadePlacement.hh CascadePlacement.cc \
+        ColSmartPlacement.hh ColSmartPlacement.cc \
+        RowSmartPlacement.hh RowSmartPlacement.cc \
+        ScreenPlacement.hh ScreenPlacement.cc \
+        UnderMousePlacement.hh UnderMousePlacement.cc \
         ${newwmspec_SOURCE} ${gnome_SOURCE} \
         ${REMEMBER_SOURCE} ${TOOLBAR_SOURCE}
 
diff --git a/src/RowSmartPlacement.cc b/src/RowSmartPlacement.cc
new file mode 100644
index 0000000..eb2956b
--- /dev/null
+++ b/src/RowSmartPlacement.cc
@@ -0,0 +1,155 @@
+// RowSmartPlacement.cc
+// 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.
+
+// $Id$
+
+#include "RowSmartPlacement.hh"
+
+#include "Window.hh"
+#include "Screen.hh"
+#include "ScreenPlacement.hh"
+
+bool RowSmartPlacement::placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                                    const FluxboxWindow &win,
+                                    int &place_x, int &place_y) {
+
+    bool placed = false;
+    int next_x, next_y;
+    
+    // view (screen + head) constraints
+    int head = (signed) win.screen().getCurrHead();
+    int head_left = (signed) win.screen().maxLeft(head);
+    int head_right = (signed) win.screen().maxRight(head);
+    int head_top = (signed) win.screen().maxTop(head);
+    int head_bot = (signed) win.screen().maxBottom(head);
+
+    const ScreenPlacement &screen_placement = 
+        dynamic_cast<const ScreenPlacement &>(win.screen().placementStrategy());
+
+    bool top_bot = 
+        screen_placement.colDirection() == ScreenPlacement::TOPBOTTOM;
+    bool left_right = 
+        screen_placement.rowDirection() == ScreenPlacement::LEFTRIGHT;
+
+    int change_x = 1, change_y = 1;
+
+    if (screen_placement.colDirection() == ScreenPlacement::BOTTOMTOP)
+        change_y = -1;
+
+    if (screen_placement.rowDirection() == ScreenPlacement::RIGHTLEFT)
+        change_x = -1;
+
+
+
+
+    int win_h = win.height() + win.fbWindow().borderWidth()*2;
+    int win_w = win.width() + win.fbWindow().borderWidth()*2;
+    int test_y;
+    if (top_bot)
+        test_y = head_top;
+    else
+        test_y = head_bot - win_h;
+
+    while (!placed && 
+           (top_bot ? test_y + win_h <= head_bot
+            : test_y >= head_top)) {
+
+        int test_x;
+        if (left_right)
+            test_x = head_left;
+        else
+            test_x = head_right - win_w;
+
+        // The trick here is that we set it to the furthest away one,
+        // then the code brings it back down to the safest one that
+        // we can go to (i.e. the next untested area)
+        if (top_bot)
+            next_y = head_bot;  // will be shrunk
+        else
+            next_y = head_top-1;
+
+        while (!placed &&
+               (left_right ? test_x + win_w <= head_right
+                : test_x >= head_left)) {
+
+            placed = true;
+
+            next_x = test_x + change_x;
+
+            std::vector<FluxboxWindow *>::const_iterator win_it = 
+                windowlist.begin();
+            std::vector<FluxboxWindow *>::const_iterator win_it_end = 
+                windowlist.end();
+
+            for (; win_it != win_it_end && placed; ++win_it) {
+                FluxboxWindow &window = **win_it;
+
+                int curr_x = window.x();
+                int curr_y = window.y();
+                int curr_w = window.width() + window.fbWindow().borderWidth()*2;
+                int curr_h = window.height() + window.fbWindow().borderWidth()*2;
+
+                if (curr_x < test_x + win_w &&
+                    curr_x + curr_w > test_x &&
+                    curr_y < test_y + win_h &&
+                    curr_y + curr_h > test_y) {
+                    // this window is in the way
+                    placed = false;
+
+                    // we find the next x that we can go to (a window will be in the way
+                    // all the way to its far side)
+                    if (left_right) {
+                        if (curr_x + curr_w > next_x) 
+                            next_x = curr_x + curr_w;
+                    } else {
+                        if (curr_x - win_w < next_x)
+                            next_x = curr_x - win_w;
+                    }
+
+                    // but we can only go to the nearest y, since that is where the 
+                    // next time current windows in the way will change
+                    if (top_bot) {
+                        if (curr_y + curr_h < next_y)
+                            next_y = curr_y + curr_h;
+                    } else {
+                        if (curr_y - win_h > next_y)
+                            next_y = curr_y - win_h;
+                    }
+                }
+            }
+
+
+            if (placed) {
+                place_x = test_x;
+                place_y = test_y;
+
+                break;
+            }
+
+            test_x = next_x;
+        } // end while
+
+        test_y = next_y;
+    } // end while
+
+
+    return placed;
+}
diff --git a/src/RowSmartPlacement.hh b/src/RowSmartPlacement.hh
new file mode 100644
index 0000000..43dbf55
--- /dev/null
+++ b/src/RowSmartPlacement.hh
@@ -0,0 +1,37 @@
+// RowSmartPlacement.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 ROWSMARTPLACEMENT_HH
+#define ROWSMARTPLACEMENT_HH
+
+#include "PlacementStrategy.hh"
+
+class RowSmartPlacement: public PlacementStrategy {
+public:
+    bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                     const FluxboxWindow &win,
+                     int &place_x, int &place_y);
+};
+
+#endif // ROWSMARTPLACEMENT_HH
+
diff --git a/src/Screen.cc b/src/Screen.cc
index 8128384..2d58a01 100644
--- a/src/Screen.cc
+++ b/src/Screen.cc
@@ -33,6 +33,7 @@
 #include "Netizen.hh"
 
 #include "FocusControl.hh"
+#include "ScreenPlacement.hh"
 
 // themes
 #include "FbWinFrameTheme.hh"
@@ -184,9 +185,7 @@ BScreen::ScreenResource::ScreenResource(FbTk::ResourceManager &rm,
     menu_delay(rm, 0, scrname + ".menuDelay", altscrname+".MenuDelay"),
     menu_delay_close(rm, 0, scrname + ".menuDelayClose", altscrname+".MenuDelayClose"),
     menu_mode(rm, FbTk::MenuTheme::DELAY_OPEN, scrname+".menuMode", altscrname+".MenuMode"),
-    placement_policy(rm, ROWSMARTPLACEMENT, scrname+".windowPlacement", altscrname+".WindowPlacement"),
-    row_direction(rm, LEFTRIGHT, scrname+".rowPlacementDirection", altscrname+".RowPlacementDirection"),
-    col_direction(rm, TOPBOTTOM, scrname+".colPlacementDirection", altscrname+".ColPlacementDirection"),
+
     gc_line_width(rm, 1, scrname+".overlay.lineWidth", altscrname+".Overlay.LineWidth"),
     gc_line_style(rm, 
                   FbTk::GContext::LINESOLID, 
@@ -238,6 +237,7 @@ BScreen::BScreen(FbTk::ResourceManager &rm,
     m_name(screenname),
     m_altname(altscreenname),
     m_focus_control(new FocusControl(*this)),
+    m_placement_strategy(new ScreenPlacement(*this)),
     m_xinerama_headinfo(0),
     m_shutdown(false) {
 
@@ -446,7 +446,10 @@ BScreen::~BScreen() {
 
     // TODO fluxgen: check if this is the right place
     delete [] m_head_areas;
+
     delete m_focus_control;
+    delete m_placement_strategy;
+
 }
 
 void BScreen::initWindows() {
diff --git a/src/Screen.hh b/src/Screen.hh
index bb5db3a..4f91d9c 100644
--- a/src/Screen.hh
+++ b/src/Screen.hh
@@ -30,6 +30,7 @@
 
 #include "FbRootWindow.hh"
 #include "MenuTheme.hh"
+#include "PlacementStrategy.hh"
 
 #include "FbTk/Resource.hh"
 #include "FbTk/Subject.hh"
@@ -63,6 +64,7 @@ class Strut;
 class Slit;
 class HeadArea;
 class FocusControl;
+class PlacementStrategy;
 
 namespace FbTk {
 class Menu;
@@ -90,15 +92,6 @@ public:
         QUADRANTRESIZE, 
         DEFAULTRESIZE = BOTTOMRESIZE };
 
-    enum PlacementPolicy { 
-        ROWSMARTPLACEMENT, 
-        COLSMARTPLACEMENT,                            
-        CASCADEPLACEMENT, 
-        UNDERMOUSEPLACEMENT
-    };
-
-    enum RowDirection { LEFTRIGHT, RIGHTLEFT};
-    enum ColumnDirection { TOPBOTTOM, BOTTOMTOP};
 
     typedef std::vector<FluxboxWindow *> Icons;
 
@@ -218,10 +211,7 @@ public:
     /// hide all windowmenus except the given one (if given)
     void hideWindowMenus(const FluxboxWindow* except= 0);
 
-    inline PlacementPolicy getPlacementPolicy() const { return *resource.placement_policy; }
     inline int getEdgeSnapThreshold() const { return *resource.edge_snap_threshold; }
-    inline RowDirection getRowPlacementDirection() const { return *resource.row_direction; }
-    inline ColumnDirection getColPlacementDirection() const { return *resource.col_direction; }
 
     void setRootColormapInstalled(bool r) { root_colormap_installed = r;  }
     void saveRootCommand(std::string rootcmd) { *resource.rootcommand = rootcmd;  }
@@ -249,7 +239,9 @@ public:
     const std::string &altName() const { return m_altname; }
     bool isShuttingdown() const { return m_shutdown; }
 
-
+    PlacementStrategy &placementStrategy() { return *m_placement_strategy; }
+    const PlacementStrategy &placementStrategy() const { return *m_placement_strategy; }
+    
     int addWorkspace();
     int removeLastWorkspace();
     // scroll workspaces
@@ -442,9 +434,7 @@ private:
         FbTk::Resource<int> workspaces, edge_snap_threshold, focused_alpha,
             unfocused_alpha, menu_alpha, menu_delay, menu_delay_close;
         FbTk::Resource<FbTk::MenuTheme::MenuMode> menu_mode;
-        FbTk::Resource<PlacementPolicy> placement_policy;
-        FbTk::Resource<RowDirection> row_direction;
-        FbTk::Resource<ColumnDirection> col_direction;
+
         FbTk::Resource<int> gc_line_width;
         FbTk::Resource<FbTk::GContext::LineStyle> gc_line_style;
         FbTk::Resource<FbTk::GContext::JoinStyle> gc_join_style;
@@ -458,6 +448,7 @@ private:
     const std::string m_name, m_altname;
 
     FocusControl *m_focus_control;
+    PlacementStrategy *m_placement_strategy;
 
     // This is a map of windows to clients for clients that had a left
     // window set, but that window wasn't present at the time
diff --git a/src/ScreenPlacement.cc b/src/ScreenPlacement.cc
new file mode 100644
index 0000000..b455fc7
--- /dev/null
+++ b/src/ScreenPlacement.cc
@@ -0,0 +1,207 @@
+// ScreenPlacement.cc
+// 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.
+
+// $Id$
+
+#include "ScreenPlacement.hh"
+
+
+#include "RowSmartPlacement.hh"
+#include "UnderMousePlacement.hh"
+#include "ColSmartPlacement.hh"
+#include "CascadePlacement.hh"
+
+#include "Screen.hh"
+#include "Window.hh"
+
+#include <iostream>
+#include <exception>
+using std::cerr;
+using std::endl;
+
+ScreenPlacement::ScreenPlacement(BScreen &screen):
+    m_row_direction(screen.resourceManager(), LEFTRIGHT, 
+                    screen.name()+".rowPlacementDirection", 
+                    screen.altName()+".RowPlacementDirection"),
+    m_col_direction(screen.resourceManager(), TOPBOTTOM, 
+                    screen.name()+".colPlacementDirection", 
+                    screen.altName()+".ColPlacementDirection"),
+    m_placement_policy(screen.resourceManager(), ROWSMARTPLACEMENT, 
+                       screen.name()+".windowPlacement", 
+                       screen.altName()+".WindowPlacement"),
+    m_old_policy(*m_placement_policy),
+    m_strategy(new RowSmartPlacement())
+{
+}
+
+bool ScreenPlacement::placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                                  const FluxboxWindow &win,
+                                  int &place_x, int &place_y) {
+
+    // check the resource placement and see if has changed
+    // and if so update the strategy
+    if (m_old_policy != *m_placement_policy) {
+        m_old_policy = *m_placement_policy;
+        switch (*m_placement_policy) {
+        case ROWSMARTPLACEMENT:
+            m_strategy.reset(new RowSmartPlacement());
+            break;
+        case COLSMARTPLACEMENT:
+            m_strategy.reset(new ColSmartPlacement());
+            break;
+        case CASCADEPLACEMENT:
+            m_strategy.reset(new CascadePlacement(win.screen()));
+            break;
+        case UNDERMOUSEPLACEMENT:
+            m_strategy.reset(new UnderMousePlacement());
+            break;
+        }
+    }
+
+    // view (screen + head) constraints
+    int head = (signed) win.screen().getCurrHead();
+    int head_left = (signed) win.screen().maxLeft(head);
+    int head_right = (signed) win.screen().maxRight(head);
+    int head_top = (signed) win.screen().maxTop(head);
+    int head_bot = (signed) win.screen().maxBottom(head);
+
+    // start placement, top left corner
+    place_x = head_left;
+    place_y = head_top;
+
+    bool placed = false;
+    try {
+        placed = m_strategy->placeWindow(windowlist,
+                                         win,
+                                         place_x, place_y);
+    } catch (std::bad_cast cast) {
+        // This should not happen. 
+        // If for some reason we change the PlacementStrategy in Screen
+        // from ScreenPlacement to something else then we might get 
+        // bad_cast from some placement strategies.
+        cerr<<"Failed to place window: "<<cast.what()<<endl;
+    }
+
+    if (!placed) {
+        // Create fallback strategy, when we need it the first time
+        // This strategy must succeed!
+        if (m_fallback_strategy.get() == 0)
+            m_fallback_strategy.reset(new CascadePlacement(win.screen()));
+
+        m_fallback_strategy->placeWindow(windowlist,
+                                         win,
+                                         place_x, place_y);
+    }
+
+
+
+    int win_w = win.width() + win.fbWindow().borderWidth()*2,
+        win_h = win.height() + win.fbWindow().borderWidth()*2;
+
+
+    // make sure the window is inside our screen(head) area
+    if (place_x + win_w > head_right)
+        place_x = (head_right - win_w) / 2;
+    if (place_y + win_h > head_bot)
+        place_y = (head_bot - win_h) / 2;
+
+    return true;
+}
+
+
+
+////////////////////// Placement Resources
+template <>
+void FbTk::Resource<ScreenPlacement::PlacementPolicy>::setFromString(const char *str) {
+    if (strcasecmp("RowSmartPlacement", str) == 0)
+        *(*this) = ScreenPlacement::ROWSMARTPLACEMENT;
+    else if (strcasecmp("ColSmartPlacement", str) == 0)
+        *(*this) = ScreenPlacement::COLSMARTPLACEMENT;
+    else if (strcasecmp("UnderMousePlacement", str) == 0)
+        *(*this) = ScreenPlacement::UNDERMOUSEPLACEMENT;
+    else if (strcasecmp("CascadePlacement", str) == 0)
+        *(*this) = ScreenPlacement::CASCADEPLACEMENT;
+    else
+        setDefaultValue();
+}
+
+template <>
+std::string FbTk::Resource<ScreenPlacement::PlacementPolicy>::getString() const {
+    switch (*(*this)) {
+    case ScreenPlacement::ROWSMARTPLACEMENT:
+        return "RowSmartPlacement";
+    case ScreenPlacement::COLSMARTPLACEMENT:
+        return "ColSmartPlacement";
+    case ScreenPlacement::UNDERMOUSEPLACEMENT:
+        return "UnderMousePlacement";
+    case ScreenPlacement::CASCADEPLACEMENT:
+        return "CascadePlacement";
+    }
+
+    return "RowSmartPlacement";
+}
+
+template <>
+void FbTk::Resource<ScreenPlacement::RowDirection>::setFromString(const char *str) {
+    if (strcasecmp("LeftToRight", str) == 0)
+        *(*this) = ScreenPlacement::LEFTRIGHT;
+    else if (strcasecmp("RightToLeft", str) == 0)
+        *(*this) = ScreenPlacement::RIGHTLEFT;
+    else
+        setDefaultValue();
+    
+}
+
+template <>
+std::string FbTk::Resource<ScreenPlacement::RowDirection>::getString() const {
+    switch (*(*this)) {
+    case ScreenPlacement::LEFTRIGHT:
+        return "LeftToRight";
+    case ScreenPlacement::RIGHTLEFT:
+        return "RightToLeft";
+    }
+
+    return "LeftToRight";
+}
+
+
+template <>
+void FbTk::Resource<ScreenPlacement::ColumnDirection>::setFromString(const char *str) {
+    if (strcasecmp("TopToBottom", str) == 0)
+        *(*this) = ScreenPlacement::TOPBOTTOM;
+    else if (strcasecmp("BottomToTop", str) == 0)
+        *(*this) = ScreenPlacement::BOTTOMTOP;
+    else
+        setDefaultValue();
+    
+}
+
+template <>
+std::string FbTk::Resource<ScreenPlacement::ColumnDirection>::getString() const {
+    switch (*(*this)) {
+    case ScreenPlacement::TOPBOTTOM:
+        return "TopToBottom";
+    case ScreenPlacement::BOTTOMTOP:
+        return "BottomToTop";
+    }
+
+    return "TopToBottom";
+}
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
diff --git a/src/ScreenResources.cc b/src/ScreenResources.cc
index 7b4d0c2..f26a376 100644
--- a/src/ScreenResources.cc
+++ b/src/ScreenResources.cc
@@ -29,82 +29,6 @@
 #include <string>
 using namespace std;
 
-template <>
-void FbTk::Resource<BScreen::PlacementPolicy>::setFromString(const char *str) {
-    if (strcasecmp("RowSmartPlacement", str) == 0)
-        *(*this) = BScreen::ROWSMARTPLACEMENT;
-    else if (strcasecmp("ColSmartPlacement", str) == 0)
-        *(*this) = BScreen::COLSMARTPLACEMENT;
-    else if (strcasecmp("UnderMousePlacement", str) == 0)
-        *(*this) = BScreen::UNDERMOUSEPLACEMENT;
-    else if (strcasecmp("CascadePlacement", str) == 0)
-        *(*this) = BScreen::CASCADEPLACEMENT;
-    else
-        setDefaultValue();
-}
-
-template <>
-string FbTk::Resource<BScreen::PlacementPolicy>::getString() const {
-    switch (*(*this)) {
-    case BScreen::ROWSMARTPLACEMENT:
-        return "RowSmartPlacement";
-    case BScreen::COLSMARTPLACEMENT:
-        return "ColSmartPlacement";
-    case BScreen::UNDERMOUSEPLACEMENT:
-        return "UnderMousePlacement";
-    case BScreen::CASCADEPLACEMENT:
-        return "CascadePlacement";
-    }
-
-    return "RowSmartPlacement";
-}
-
-template <>
-void FbTk::Resource<BScreen::RowDirection>::setFromString(const char *str) {
-    if (strcasecmp("LeftToRight", str) == 0)
-        *(*this) = BScreen::LEFTRIGHT;
-    else if (strcasecmp("RightToLeft", str) == 0)
-        *(*this) = BScreen::RIGHTLEFT;
-    else
-        setDefaultValue();
-    
-}
-
-template <>
-string FbTk::Resource<BScreen::RowDirection>::getString() const {
-    switch (*(*this)) {
-    case BScreen::LEFTRIGHT:
-        return "LeftToRight";
-    case BScreen::RIGHTLEFT:
-        return "RightToLeft";
-    }
-
-    return "LeftToRight";
-}
-
-
-template <>
-void FbTk::Resource<BScreen::ColumnDirection>::setFromString(const char *str) {
-    if (strcasecmp("TopToBottom", str) == 0)
-        *(*this) = BScreen::TOPBOTTOM;
-    else if (strcasecmp("BottomToTop", str) == 0)
-        *(*this) = BScreen::BOTTOMTOP;
-    else
-        setDefaultValue();
-    
-}
-
-template <>
-string FbTk::Resource<BScreen::ColumnDirection>::getString() const {
-    switch (*(*this)) {
-    case BScreen::TOPBOTTOM:
-        return "TopToBottom";
-    case BScreen::BOTTOMTOP:
-        return "BottomToTop";
-    }
-
-    return "TopToBottom";
-}
 
 template <>
 string FbTk::Resource<FbTk::MenuTheme::MenuMode>::getString() const {
diff --git a/src/UnderMousePlacement.cc b/src/UnderMousePlacement.cc
new file mode 100644
index 0000000..3e2bc41
--- /dev/null
+++ b/src/UnderMousePlacement.cc
@@ -0,0 +1,75 @@
+// UnderMousePlacement.cc
+// 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.
+
+// $Id$
+
+#include "UnderMousePlacement.hh"
+
+#include "FbTk/App.hh"
+#include "Screen.hh"
+#include "Window.hh"
+
+bool UnderMousePlacement::placeWindow(const std::vector<FluxboxWindow *> &list,
+                                      const FluxboxWindow &win,
+                                      int &place_x, int &place_y) {
+
+    int root_x, root_y, ignore_i;
+
+    unsigned int ignore_ui;
+
+    Window ignore_w;
+
+    XQueryPointer(FbTk::App::instance()->display(),
+                  win.screen().rootWindow().window(), &ignore_w, 
+                  &ignore_w, &root_x, &root_y,
+                  &ignore_i, &ignore_i, &ignore_ui);
+
+    // 2*border = border on each side of the screen
+    int win_w = win.width() + win.fbWindow().borderWidth()*2,
+        win_h = win.height() + win.fbWindow().borderWidth()*2;
+
+    int test_x = root_x - (win_w / 2);
+    int test_y = root_y - (win_h / 2);
+
+    // keep the window inside the screen
+    int head = (signed) win.screen().getCurrHead();
+    int head_left = (signed) win.screen().maxLeft(head);
+    int head_right = (signed) win.screen().maxRight(head);
+    int head_top = (signed) win.screen().maxTop(head);
+    int head_bot = (signed) win.screen().maxBottom(head);
+
+    if (test_x < head_left)
+        test_x = head_left;
+
+    if (test_x + win_w > head_right)
+        test_x = head_right - win_w;
+
+    if (test_y < head_top)
+        test_y = head_top;
+
+    if (test_y + win_h > head_bot)
+        test_y = head_bot - win_h;
+
+    place_x = test_x;
+    place_y = test_y;
+
+    return true;
+}
diff --git a/src/UnderMousePlacement.hh b/src/UnderMousePlacement.hh
new file mode 100644
index 0000000..d89133c
--- /dev/null
+++ b/src/UnderMousePlacement.hh
@@ -0,0 +1,36 @@
+// UnderMousePlacement.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 UNDERMOUSEPLACEMENT_HH
+#define UNDERMOUSEPLACEMENT_HH
+
+#include "PlacementStrategy.hh"
+
+class UnderMousePlacement: public PlacementStrategy {
+public:
+    bool placeWindow(const std::vector<FluxboxWindow *> &windowlist,
+                     const FluxboxWindow &win,
+                     int &place_x, int &place_y);
+};
+
+#endif // UNDERMOUSEPLACEMENT_HH
diff --git a/src/Workspace.cc b/src/Workspace.cc
index 07e76f0..7d53381 100644
--- a/src/Workspace.cc
+++ b/src/Workspace.cc
@@ -33,6 +33,7 @@
 #include "FbWinFrame.hh"
 #include "WindowCmd.hh"
 #include "FocusControl.hh"
+#include "PlacementStrategy.hh"
 
 #include "FbTk/I18n.hh"
 #include "FbTk/MenuItem.hh"
@@ -140,21 +141,13 @@ Workspace::Workspace(BScreen &scrn, FbTk::MultLayers &layermanager,
     m_name(name),
     m_id(id) {
 
-
-    m_cascade_x = new int[scrn.numHeads() + 1];
-    m_cascade_y = new int[scrn.numHeads() + 1];
-    for (int i=0; i < scrn.numHeads()+1; i++) {
-        m_cascade_x[i] = 32 + scrn.getHeadX(i);
-        m_cascade_y[i] = 32 + scrn.getHeadY(i);
-    }
     menu().setInternalMenu();
     setName(name);
+
 }
 
 
 Workspace::~Workspace() {
-    delete [] m_cascade_x;
-    delete [] m_cascade_y;
 }
 
 void Workspace::setLastFocusedWindow(FluxboxWindow *win) {
@@ -427,268 +420,12 @@ void Workspace::updateClientmenu() {
 }
 
 void Workspace::placeWindow(FluxboxWindow &win) {
-
-    bool placed = false;
-
-    // restrictions
-    int head = (signed) screen().getCurrHead();
-    int head_left = (signed) screen().maxLeft(head);
-    int head_right = (signed) screen().maxRight(head);
-    int head_top = (signed) screen().maxTop(head);
-    int head_bot = (signed) screen().maxBottom(head);
-
-    int place_x = head_left, place_y = head_top, change_x = 1, change_y = 1;
-
-    if (screen().getColPlacementDirection() == BScreen::BOTTOMTOP)
-        change_y = -1;
-    if (screen().getRowPlacementDirection() == BScreen::RIGHTLEFT)
-        change_x = -1;
-
-    int win_w = win.width() + win.fbWindow().borderWidth()*2,
-        win_h = win.height() + win.fbWindow().borderWidth()*2;
-
-
-    int test_x, test_y, curr_x, curr_y, curr_w, curr_h;
-
-    switch (screen().getPlacementPolicy()) {
-    case BScreen::UNDERMOUSEPLACEMENT: {
-        int root_x, root_y, ignore_i;
-
-        unsigned int ignore_ui;
-
-        Window ignore_w;
-
-        XQueryPointer(FbTk::App::instance()->display(),
-                      screen().rootWindow().window(), &ignore_w, 
-                      &ignore_w, &root_x, &root_y,
-                      &ignore_i, &ignore_i, &ignore_ui);
-
-        test_x = root_x - (win_w / 2);
-        test_y = root_y - (win_h / 2);
-
-        // keep the window inside the screen
-
-        if (test_x < head_left)
-            test_x = head_left;
-
-        if (test_x + win_w > head_right)
-            test_x = head_right - win_w;
-
-        if (test_y < head_top)
-            test_y = head_top;
-
-        if (test_y + win_h > head_bot)
-            test_y = head_bot - win_h;
-
-        place_x = test_x;
-        place_y = test_y;
-
-        placed = true;
-
-        break; 
-    } // end case UNDERMOUSEPLACEMENT
-
-    case BScreen::ROWSMARTPLACEMENT: {
-        int next_x, next_y;
-        bool top_bot = screen().getColPlacementDirection() == BScreen::TOPBOTTOM;
-        bool left_right = screen().getRowPlacementDirection() == BScreen::LEFTRIGHT;
-
-        if (top_bot)
-            test_y = head_top;
-        else
-            test_y = head_bot - win_h;
-
-        while (!placed && 
-               (top_bot ? test_y + win_h <= head_bot
-                        : test_y >= head_top)) {
-
-            if (left_right)
-                test_x = head_left;
-            else
-                test_x = head_right - win_w;
-
-            // The trick here is that we set it to the furthest away one,
-            // then the code brings it back down to the safest one that
-            // we can go to (i.e. the next untested area)
-            if (top_bot)
-                next_y = head_bot;  // will be shrunk
-            else
-                next_y = head_top-1;
-
-            while (!placed &&
-                   (left_right ? test_x + win_w <= head_right
-                    : test_x >= head_left)) {
-
-                placed = true;
-
-                next_x = test_x + change_x;
-
-                Windows::iterator win_it = m_windowlist.begin();
-                const Windows::iterator win_it_end = m_windowlist.end();
-
-                for (; win_it != win_it_end && placed; ++win_it) {
-                    FluxboxWindow &window = **win_it;
-
-                    curr_x = window.x();
-                    curr_y = window.y();
-                    curr_w = window.width() + window.fbWindow().borderWidth()*2;
-                    curr_h = window.height() + window.fbWindow().borderWidth()*2;
-
-                    if (curr_x < test_x + win_w &&
-                        curr_x + curr_w > test_x &&
-                        curr_y < test_y + win_h &&
-                        curr_y + curr_h > test_y) {
-                        // this window is in the way
-                        placed = false;
-
-                        // we find the next x that we can go to (a window will be in the way
-                        // all the way to its far side)
-                        if (left_right) {
-                            if (curr_x + curr_w > next_x) 
-                                next_x = curr_x + curr_w;
-                        } else {
-                            if (curr_x - win_w < next_x)
-                                next_x = curr_x - win_w;
-                        }
-
-                        // but we can only go to the nearest y, since that is where the 
-                        // next time current windows in the way will change
-                        if (top_bot) {
-                            if (curr_y + curr_h < next_y)
-                                next_y = curr_y + curr_h;
-                        } else {
-                            if (curr_y - win_h > next_y)
-                                next_y = curr_y - win_h;
-                        }
-                    }
-                }
-
-
-                if (placed) {
-                    place_x = test_x;
-                    place_y = test_y;
-
-                    break;
-                }
-
-                test_x = next_x;
-            } // end while
-
-            test_y = next_y;
-        } // end while
-
-        break; 
-    } // end case ROWSMARTPLACEMENT
-
-    case BScreen::COLSMARTPLACEMENT: {
-        int next_x, next_y;
-        bool top_bot = screen().getColPlacementDirection() == BScreen::TOPBOTTOM;
-        bool left_right = screen().getRowPlacementDirection() == BScreen::LEFTRIGHT;
-
-        if (left_right)
-            test_x = head_left;
-        else
-            test_x = head_right - win_w;
-
-        while (!placed &&
-               (left_right ? test_x + win_w <= head_right
-                : test_x >= head_left)) {
-                
-            if (left_right)
-                next_x = head_right; // it will get shrunk
-            else 
-                next_x = head_left-1;
-
-            if (top_bot)
-                test_y = head_top;
-            else
-                test_y = head_bot - win_h;
-
-            while (!placed && 
-                   (top_bot ? test_y + win_h <= head_bot
-                            : test_y >= head_top)) {
-                placed = True;
-
-                next_y = test_y + change_y;
-
-                Windows::iterator it = m_windowlist.begin();
-                Windows::iterator it_end = m_windowlist.end();
-                for (; it != it_end && placed; ++it) {
-                    curr_x = (*it)->x();
-                    curr_y = (*it)->y();
-                    curr_w = (*it)->width()  + (*it)->fbWindow().borderWidth()*2;
-                    curr_h = (*it)->height() + (*it)->fbWindow().borderWidth()*2;
-
-                    if (curr_x < test_x + win_w &&
-                        curr_x + curr_w > test_x &&
-                        curr_y < test_y + win_h &&
-                        curr_y + curr_h > test_y) {
-                        // this window is in the way
-                        placed = False;
-
-                        // we find the next y that we can go to (a window will be in the way
-                        // all the way to its bottom)
-                        if (top_bot) {
-                            if (curr_y + curr_h > next_y)
-                                next_y = curr_y + curr_h;
-                        } else {
-                            if (curr_y - win_h < next_y)
-                                next_y = curr_y - win_h;
-                        }
-
-                        // but we can only go to the nearest x, since that is where the 
-                        // next time current windows in the way will change
-                        if (left_right) {
-                            if (curr_x + curr_w < next_x) 
-                                next_x = curr_x + curr_w;
-                        } else {
-                            if (curr_x - win_w > next_x)
-                                next_x = curr_x - win_w;
-                        }
-                    }
-                }
-
-                if (placed) {
-                    place_x = test_x;
-                    place_y = test_y;
-                }
-
-                test_y = next_y;
-            } // end while
-
-            test_x = next_x;
-        } // end while
-
-        break; 
-    } // end COLSMARTPLACEMENT
-
-    }
-
-    // cascade placement or smart placement failed
-    if (! placed) {
-
-        if ((m_cascade_x[head] > ((head_left + head_right) / 2)) ||
-            (m_cascade_y[head] > ((head_top + head_bot) / 2))) {
-            m_cascade_x[head] = head_left + 32;
-            m_cascade_y[head] = head_top + 32;
-        }
-
-        place_x = m_cascade_x[head];
-        place_y = m_cascade_y[head];
-
-        // just one borderwidth, so they can share a borderwidth (looks better)
-        int titlebar_height = win.titlebarHeight() + win.fbWindow().borderWidth();
-        if (titlebar_height < 4) // make sure it is not insignificant
-            titlebar_height = 32;
-        m_cascade_x[head] += titlebar_height;
-        m_cascade_y[head] += titlebar_height;
-    }
-
-    if (place_x + win_w > head_right)
-        place_x = (head_right - win_w) / 2;
-    if (place_y + win_h > head_bot)
-        place_y = (head_bot - win_h) / 2;
-
+    int place_x, place_y;
+    // we ignore the return value, 
+    // the screen placement strategy is guaranteed to succeed.
+    screen().placementStrategy().placeWindow(m_windowlist,
+                                             win,
+                                             place_x, place_y);
 
     win.moveResize(place_x, place_y, win.width(), win.height());
 }