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 _tree;// root node of the tree (this doesn't have siblings!)
  50
  51   int find(BindingTree *search);
  52   bool translate(const std::string &str, Binding &b);
  53   BindingTree *buildtree(const StringVect &keylist, int id);
  54   void OBBindings::assimilate(BindingTree *node);
  55
  56 public:
  57   //! Initializes an OBBinding object
  58   OBBindings();
  59   //! Destroys the OBBinding object
  60   virtual ~OBBindings();
  61
  62   //! Adds a new binding
  63   /*!
  64     A binding will fail to be added if the binding already exists (as part of
  65     a chain or not), or if any of the strings in the keylist are invalid.
  66     @return true if the binding could be added; false if it could not.
  67   */
  68   bool add(const StringVect &keylist, int id);
  69
  70   //! Removes a key binding
  71   /*!
  72     @return The id of the binding that was removed, or '< 0' if none were
  73             removed.
  74   */
  75   int remove(const StringVect &keylist);
  76
  77   //! Removes all key bindings
  78   void remove_all();
  79
  80   //! Finds a keybinding and returns its id or '< 0' if it isn't found.
  81   /*!
  82     @return -1 if the keybinding was not found but does not conflict with
  83     any others; -2 if the keybinding conflicts with another.
  84   */
  85   int find(const StringVect &keylist);
  86
  87   // XXX: need an exec() function or something that will be used by openbox
  88   //      and hold state for which chain we're in etc. (it could have a timer
  89   //      for reseting too...)
  90
  91   void display();
  92 };
  93
  94 }
  95
  96 #endif // __binding_hh