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+// Remember.hh for Fluxbox Window Manager
+// Copyright (c) 2002 Xavier Brouckaert
+// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                and Simon Bowden    (rathnor at users.sourceforge.net)
+//
+// 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: Remember.hh,v 1.11 2003/07/10 13:23:09 rathnor Exp $
+
+/* Based on the original "Remember patch" by Xavier Brouckaert */
+
+#ifndef REMEMBER_HH
+#define REMEMBER_HH
+
+#include "AtomHandler.hh"
+
+#include <fstream>
+#include <map>
+#include <list>
+#include <string>
+#include <utility>
+
+class FluxboxWindow;
+class BScreen;
+class WinClient;
+class ClientPattern;
+
+class Application {
+public:
+    Application(bool grouped);
+    inline void forgetWorkspace() { workspace_remember = false; }
+    inline void forgetDimensions() { dimensions_remember = false; }
+    inline void forgetPosition() { position_remember = false; }
+    inline void forgetShadedstate() { shadedstate_remember = false; }
+    inline void forgetTabstate() { tabstate_remember = false; }
+    inline void forgetDecostate() { decostate_remember = false; }
+    inline void forgetStuckstate() { stuckstate_remember = false; }
+    inline void forgetJumpworkspace() { jumpworkspace_remember = false; }
+    inline void forgetLayer() { layer_remember = false; }
+    inline void forgetSaveOnClose() { save_on_close_remember = false; }
+    
+    inline void rememberWorkspace(int ws) 
+        { workspace = ws; workspace_remember = true; }
+    inline void rememberDimensions(int width, int height) 
+        { w = width; h = height; dimensions_remember = true; }
+    inline void rememberPosition(int posx, int posy)
+        { x = posx; y = posy; position_remember = true; }
+    inline void rememberShadedstate(bool state)
+        { shadedstate = state; shadedstate_remember = true; }
+    inline void rememberTabstate(bool state)
+        { tabstate = state; tabstate_remember = true; }
+    inline void rememberDecostate(unsigned int state)
+        { decostate = state; decostate_remember = true; }
+    inline void rememberStuckstate(bool state)
+        { stuckstate = state; stuckstate_remember = true; }
+    inline void rememberJumpworkspace(bool state)
+        { jumpworkspace = state; jumpworkspace_remember = true; }
+    inline void rememberLayer(int layernum) 
+        { layer = layernum; layer_remember = true; }
+    inline void rememberSaveOnClose(bool state)
+        { save_on_close = state; save_on_close_remember = true; }
+
+
+    bool workspace_remember;
+    unsigned int workspace;
+
+    bool dimensions_remember;
+    int w,h; // width, height
+
+    bool position_remember;
+    int x,y;
+
+    bool shadedstate_remember;
+    bool shadedstate;
+
+    bool tabstate_remember;
+    bool tabstate;
+
+    bool decostate_remember;
+    unsigned int decostate;
+
+    bool stuckstate_remember;
+    bool stuckstate;
+
+    bool jumpworkspace_remember;
+    bool jumpworkspace;
+
+    bool layer_remember;
+    int layer;
+
+    bool save_on_close_remember;
+    bool save_on_close;
+
+    bool is_grouped;
+    FluxboxWindow *group;
+
+};
+
+/**
+ * Class Remember is an atomhandler to avoid interfering with
+ * the main code as much as possible, since we hope that one day
+ * things like this (and maybe toolbar/slit) can become some sort
+ * of modular plugin. Doing this should help give an idea of what
+ * sort of interface abilities we'll need...
+ */
+class Remember : public AtomHandler {
+public:
+    /**
+     * holds which attributes to remember
+     */
+    enum Attribute {
+        REM_WORKSPACE=0,
+        REM_DIMENSIONS,
+        REM_POSITION,
+        REM_STUCKSTATE,
+        REM_DECOSTATE,
+        REM_SHADEDSTATE,
+        //REM_TABSTATE, ... external tabs disabled atm
+        REM_LAYER,
+        REM_JUMPWORKSPACE,
+        REM_SAVEONCLOSE,
+        REM_LASTATTRIB // not actually used
+    };
+
+    // a "pattern"  to the relevant app
+    // each app exists ONLY for that pattern.
+    // And we need to keep a list of pairs as we want to keep the
+    // applications in the same order as they will be in the apps file
+    typedef std::list< std::pair<ClientPattern *, Application *> > Patterns;
+
+    // We keep track of which app is assigned to a winclient
+    // particularly useful to update counters etc on windowclose
+    typedef std::map<WinClient *, Application *> Clients;
+    
+    // we have to remember any startups we did so that they are saved again
+    typedef std::list<std::string> Startups;
+
+    Remember();
+    ~Remember();
+
+    Application* find(WinClient &winclient);
+    Application* add(WinClient &winclient);
+
+    void load();
+    void save();
+
+    bool isRemembered(WinClient &win, Attribute attrib);
+    void rememberAttrib(WinClient &win, Attribute attrib);
+    void forgetAttrib(WinClient &win, Attribute attrib);
+
+    // Functions relating to AtomHandler
+    
+    // Functions we actually use
+    void setupFrame(FluxboxWindow &win);
+    void setupClient(WinClient &winclient);
+    void updateFrameClose(FluxboxWindow &win);
+    void updateClientClose(WinClient &winclient);
+
+    // Functions we ignore (zero from AtomHandler)
+    // Leaving here in case they might be useful later
+
+    void initForScreen(BScreen &screen) {}
+
+    void updateClientList(BScreen &screen) {}
+    void updateWorkspaceNames(BScreen &screen) {}
+    void updateCurrentWorkspace(BScreen &screen) {}
+    void updateWorkspaceCount(BScreen &screen) {}
+
+    void updateWorkspace(FluxboxWindow &win) {}
+    void updateState(FluxboxWindow &win) {}
+    void updateHints(FluxboxWindow &win) {}
+    void updateLayer(FluxboxWindow &win) {}
+
+    bool checkClientMessage(const XClientMessageEvent &ce, 
+        BScreen * screen, FluxboxWindow * const win) { return false; }
+    // ignore this
+    bool propertyNotify(FluxboxWindow &win, Atom the_property) { return false; }
+private:
+
+    // returns number of lines read
+    // optionally can give a line to read before the first (lookahead line)
+    int parseApp(std::ifstream &file, Application &app, std::string *first_line = 0);
+    Patterns m_pats;
+    Clients m_clients;
+
+    Startups m_startups;
+
+};
+
+#endif // REMEMBER_HH