Added an action class and started the even handler.

util/epist/Makefile.am

@@ -4,7 +4,7 @@ CPPFLAGS= @CPPFLAGS@ @DEBUG@
 
 EXTRA_PROGRAMS =		epist
 
-epist_SOURCES =		epist.cc window.cc screen.cc main.cc
+epist_SOURCES =		epist.cc window.cc screen.cc main.cc actions.cc
 epist_LDADD =		../../src/XAtom.o ../../src/BaseDisplay.o \
 					../../src/Util.o ../../src/i18n.o \
 					../../src/GCCache.o ../../src/Color.o ../../src/Texture.o \

util/epist/actions.hh

@@ -1,5 +1,14 @@
-// xOr: this is crap.
+#ifndef __actions_hh
-enum ActionType {
+#define __actions_hh
+#include <list>
+
+extern "C" {
+#include <X11/X.h>
+}
+class Action {
+public:
+    // xOr: this is crap.
+  enum ActionType {
     noaction = 0,
     execute,
     iconify,
@@ -11,8 +20,6 @@ enum ActionType {
     moveWindowDown,
     moveWindowLeft,
     moveWindowRight,
-  nextWindow,
-  prevWindow,
 
     nextWindow,
     prevWindow,
@@ -35,7 +42,21 @@ enum ActionType {
     numberChain,
 
     cancel,
+  };
 
-  NUM_ACTIONS
+private:
+  enum Action::ActionType _type;
+  const KeyCode _keycode;
+  const int _modifierMask;
+  
+public:
+  inline enum ActionType type() const { return _type;}
+  inline const KeyCode keycode() const { return _keycode; }
+  inline const int modifierMask() const { return _modifierMask; }
+
+  Action::Action(enum ActionType type, KeyCode keycode, int modifierMask);
 };
   
+typedef list<Action> ActionList;
+
+#endif

util/epist/epist.cc

@@ -75,6 +75,16 @@ epist::epist(char **argv, char *dpy_name, char *rc_file)
     cout << "No compatible window manager found on any screens. Aborting.\n";
     ::exit(1);
   }
+
+  _actions.push_back(Action(Action::nextDesktop,
+                            XKeysymToKeycode(getXDisplay(),
+                                             XStringToKeysym("Tab")),
+                            Mod1Mask));
+  _actions.push_back(Action(Action::prevDesktop,
+                           XKeysymToKeycode(getXDisplay(),
+                                             XStringToKeysym("Tab")),
+                           ControlMask));
+  activateGrabs();
 }
 
 
@@ -82,7 +92,24 @@ epist::~epist() {
   delete _xatom;
 }
 
+//   XGrabKey(_epist->getXDisplay(), XKeysymToKeycode(_epist->getXDisplay(),
+//                                            XStringToKeysym("F5")),
+//            Mod1Mask, _root, True, GrabModeAsync, GrabModeAsync);
                   
+void epist::activateGrabs() {
+
+  ScreenList::const_iterator scrit, scrend = _screens.end();
+  
+  for (scrit = _screens.begin(); scrit != scrend; ++scrit) {
+    ActionList::const_iterator end = _actions.end();
+
+    for(ActionList::const_iterator ait = _actions.begin();
+        ait != end; ++ait) {
+      XGrabKey(getXDisplay(), ait->keycode(), ait->modifierMask(),
+               (*scrit)->rootWindow(), True, GrabModeAsync, GrabModeAsync);
+    }
+  }
+}
 bool epist::handleSignal(int sig) {
   switch (sig) {
   case SIGHUP:

util/epist/epist.hh

@@ -30,6 +30,8 @@ extern "C" {
 #include <string>
 #include <map>
 
+#include <actions.hh>
+
 #include "../../src/BaseDisplay.hh"
 
 class XAtom;
@@ -49,9 +51,12 @@ private:
   typedef WindowLookup::value_type WindowLookupPair;
   WindowLookup    _windows;
 
+  ActionList _actions;
+  
   virtual void process_event(XEvent *e);
   virtual bool handleSignal(int sig);
 
+  void activateGrabs();
 public:
   epist(char **argv, char *display_name, char *rc_file);
   virtual ~epist();
@@ -61,6 +66,8 @@ public:
   void addWindow(XWindow *window);
   void removeWindow(XWindow *window);
   XWindow *findWindow(Window window) const;
+
+  list<Action> actions(void) { return _actions; }
 };
 
 #endif // __epist_hh

util/epist/screen.cc

@@ -137,10 +137,30 @@ void screen::processEvent(const XEvent &e) {
     }
     break;
   case KeyPress:
+    handleKeypress(e);
     break;
   }
 }
 
+void screen::handleKeypress(const XEvent &e) {
+  list<Action>::const_iterator it = _epist->actions().begin();
+  list<Action>::const_iterator end = _epist->actions().end();
+  for (; it != end; ++it) {
+    if (e.xkey.keycode == it->keycode() &&
+        e.xkey.state == it->modifierMask() )
+      {
+        switch (it->type()) {
+        case Action::nextDesktop:
+          cycleWorkspace(true);
+          break;
+        case Action::prevDesktop:
+          cycleWorkspace(false);
+          break;
+        }
+        break;
+      }
+  }
+}
 
 // do we want to add this window to our list?
 bool screen::doAddWindow(Window window) const {
@@ -238,3 +258,35 @@ void screen::updateActiveWindow() {
         perror("putenv()");
       }
  */
+
+void screen::cycleWorkspace(const bool forward) {
+  cout << "blef" << endl;
+
+  unsigned long currentDesktop = 0;
+  unsigned long numDesktops = 0;
+  
+  if (_xatom->getValue(_root, XAtom::net_current_desktop, XAtom::cardinal,
+                       currentDesktop)) {
+    if (forward)     
+      ++currentDesktop;
+    else
+      --currentDesktop;
+
+    cout << currentDesktop << endl;
+
+    
+    _xatom->getValue(_root, XAtom::net_number_of_desktops, XAtom::cardinal,
+                     numDesktops);
+    
+    if ( ( (signed)currentDesktop) == -1)
+      currentDesktop = numDesktops - 1;
+    else if (currentDesktop >= numDesktops)
+      currentDesktop = 0;
+
+    
+    _xatom->sendClientMessage(_root, XAtom::net_current_desktop, _root,
+                              currentDesktop);
+    
+  }
+}
+                                               

util/epist/screen.hh

@@ -62,6 +62,10 @@ public:
   inline bool managed() const { return _managed; }
   
   void processEvent(const XEvent &e);
+
+  void handleKeypress(const XEvent &e);
+
+  void cycleWorkspace(const bool forward);
 };
 
 #endif // __screen_hh