Dogcows Code - chaz/openbox/blob - src/bindings.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __binding_hh
   3 #define __binding_hh
   4
   5 /*! @file binding.hh
   6   @brief I dunno.. some binding stuff?
   7 */
   8
   9 #include <string>
  10 #include <vector>
  11
  12 namespace ob {
  13
  14 typedef struct Binding {
  15   unsigned int modifiers;
  16   unsigned int key;
  17
  18   bool operator==(struct Binding &b2) { return key == b2.key &&
  19                                           modifiers == b2.modifiers; }
  20   bool operator!=(struct Binding &b2) { return key != b2.key ||
  21                                           modifiers != b2.modifiers; }
  22   Binding(unsigned int mod, unsigned int k) { modifiers = mod; key = k; }
  23 } Binding;
  24
  25 typedef struct BindingTree {
  26   Binding binding;
  27   std::string text;
  28   int id;     // the id given for the binding in add()
  29   bool chain; // true if this is a chain to another key (not an action)
  30
  31   struct BindingTree *next_sibling; // the next binding in the tree at the same
  32                                     // level
  33   struct BindingTree *first_child;  // the first child of this binding (next
  34                                     // binding in a chained sequence).
  35   BindingTree(int id) : binding(0, 0) {
  36     this->id = id; chain = true; next_sibling = first_child = 0;
  37   }
  38   BindingTree() : binding(0, 0) {
  39     this->id = -1; chain = true; next_sibling = first_child = 0;
  40   }
  41 } BindingTree;
  42
  43 class OBBindings {
  44 public:
  45   //! A list of strings
  46   typedef std::vector<std::string> StringVect;
  47
  48 private:
  49   BindingTree _keytree; // root node of the tree (this doesn't have siblings!)
  50   BindingTree *_curpos; // position in the keytree
  51
  52   BindingTree *_mousetree; // this tree is a list. it has only siblings
  53
  54   int find_key(BindingTree *search) const;
  55   bool translate(const std::string &str, Binding &b, bool askey) const;
  56   BindingTree *buildtree(const StringVect &keylist, int id) const;
  57   void OBBindings::assimilate(BindingTree *node);
  58
  59 public:
  60   //! Initializes an OBBinding object
  61   OBBindings();
  62   //! Destroys the OBBinding object
  63   virtual ~OBBindings();
  64
  65   //! Adds a new mouse binding
  66   /*!
  67     A binding will fail to be added if the binding already exists, or if the
  68     string is invalid.
  69     @return true if the binding could be added; false if it could not.
  70   */
  71   bool add_mouse(const std::string &button, int id);
  72
  73   //! Removes a mouse binding
  74   /*!
  75     @return The id of the binding that was removed, or '< 0' if none were
  76             removed.
  77   */
  78   int remove_mouse(const std::string &button);
  79
  80   //! Adds a new key binding
  81   /*!
  82     A binding will fail to be added if the binding already exists (as part of
  83     a chain or not), or if any of the strings in the keylist are invalid.
  84     @return true if the binding could be added; false if it could not.
  85   */
  86   bool add_key(const StringVect &keylist, int id);
  87
  88   //! Removes a key binding
  89   /*!
  90     @return The id of the binding that was removed, or '< 0' if none were
  91             removed.
  92   */
  93   int remove_key(const StringVect &keylist);
  94
  95   //! Removes all key bindings
  96   void remove_all();
  97
  98   //! Finds a keybinding and returns its id or '< 0' if it isn't found.
  99   /*!
 100     @return -1 if the keybinding was not found but does not conflict with
 101     any others; -2 if the keybinding conflicts with another.
 102   */
 103   int find_key(const StringVect &keylist);
 104
 105   void process(unsigned int modifiers, unsigned int key);
 106
 107   // XXX: need an exec() function or something that will be used by openbox
 108   //      and hold state for which chain we're in etc. (it could have a timer
 109   //      for reseting too...)
 110
 111   void display();
 112 };
 113
 114 }
 115
 116 #endif // __binding_hh