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 "actions.hh"
  10 #include "otk/timer.hh"
  11
  12 #include <string>
  13 #include <vector>
  14
  15 namespace ob {
  16
  17 class OBClient;
  18
  19 typedef struct Binding {
  20   unsigned int modifiers;
  21   unsigned int key;
  22
  23   bool operator==(struct Binding &b2) { return key == b2.key &&
  24                                           modifiers == b2.modifiers; }
  25   bool operator!=(struct Binding &b2) { return key != b2.key ||
  26                                           modifiers != b2.modifiers; }
  27   Binding(unsigned int mod, unsigned int k) { modifiers = mod; key = k; }
  28 } Binding;
  29
  30 typedef struct BindingTree {
  31   Binding binding;
  32   int id;     // the id given for the binding in add()
  33   bool chain; // true if this is a chain to another key (not an action)
  34
  35   struct BindingTree *next_sibling; // the next binding in the tree at the same
  36                                     // level
  37   struct BindingTree *first_child;  // the first child of this binding (next
  38                                     // binding in a chained sequence).
  39   BindingTree(int id) : binding(0, 0) {
  40     this->id = id; chain = true; next_sibling = first_child = 0;
  41   }
  42   BindingTree() : binding(0, 0) {
  43     this->id = -1; chain = true; next_sibling = first_child = 0;
  44   }
  45 } BindingTree;
  46
  47 class OBBindings {
  48 public:
  49   //! A list of strings
  50   typedef std::vector<std::string> StringVect;
  51
  52 private:
  53   BindingTree _tree; // root node of the tree (this doesn't have siblings!)
  54   BindingTree *_curpos; // position in the keytree
  55
  56   Binding _resetkey; // the key which resets the key chain status
  57
  58   otk::OBTimer _timer;
  59
  60   int find(BindingTree *search) const;
  61   bool translate(const std::string &str, Binding &b) const;
  62   BindingTree *buildtree(const StringVect &keylist, int id) const;
  63   void assimilate(BindingTree *node);
  64
  65   static void reset(OBBindings *self);
  66
  67 public:
  68   //! Initializes an OBBinding object
  69   OBBindings();
  70   //! Destroys the OBBinding object
  71   virtual ~OBBindings();
  72
  73   //! Adds a new key binding
  74   /*!
  75     A binding will fail to be added if the binding already exists (as part of
  76     a chain or not), or if any of the strings in the keylist are invalid.
  77     @return true if the binding could be added; false if it could not.
  78   */
  79   bool add(const StringVect &keylist, int id);
  80
  81   //! Removes a key binding
  82   /*!
  83     @return The id of the binding that was removed, or '< 0' if none were
  84             removed.
  85   */
  86   int remove(const StringVect &keylist);
  87
  88   //! Removes all key bindings
  89   void remove_all();
  90
  91   //! Finds a keybinding and returns its id or '< 0' if it isn't found.
  92   /*!
  93     @return -1 if the keybinding was not found but does not conflict with
  94     any others; -2 if the keybinding conflicts with another.
  95   */
  96   int find(const StringVect &keylist);
  97
  98   void fire(Window window, unsigned int modifiers,unsigned int key, Time time);
  99
 100   void setResetKey(const std::string &key);
 101
 102   void grabKeys(bool grab);
 103 };
 104
 105 }
 106
 107 #endif // __binding_hh