Change call to hash function

[libs/gui.git] / source / input / hub.cpp

diff --git a/source/input/hub.cpp b/source/input/hub.cpp
index 6a78882c06273f209830253202acc79c8aa96f84..b28882f6aad8733944f9002d4abfe6c308c1088f 100644 (file)
--- a/source/input/hub.cpp
+++ b/source/input/hub.cpp
@@ -1,7 +1,12 @@
+#include <stdexcept>
 #include <sigc++/bind.h>
-#include <msp/core/except.h>
+#include <sigc++/bind_return.h>
+#include <msp/core/hash.h>
+#include <msp/core/maputils.h>
 #include "hub.h"
 
+using namespace std;
+
 namespace Msp {
 namespace Input {
 
@@ -10,49 +15,43 @@ Hub::Hub()
        name = "Hub";
 }
 
-unsigned Hub::attach(Device &dev)
+void Hub::attach(Device &dev)
 {
-       unsigned index = devices.size();
-       devices.push_back(&dev);
-       dev.signal_button_press.connect(sigc::bind(sigc::mem_fun(this, &Hub::button_press), index));
-       dev.signal_button_release.connect(sigc::bind(sigc::mem_fun(this, &Hub::button_release), index));
-       dev.signal_axis_motion.connect(sigc::bind(sigc::mem_fun(this, &Hub::axis_motion), index));
-       return index;
+       unsigned tag = hash<20>(dev.get_name());
+       while(devices.count(tag))
+               ++tag;
+
+       devices[tag] = &dev;
+       dev.signal_button_press.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::button_press), tag), false));
+       dev.signal_button_release.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::button_release), tag), false));
+       dev.signal_axis_motion.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::axis_motion), tag), false));
 }
 
 std::string Hub::get_button_name(unsigned btn) const
 {
-       unsigned dev_index = btn>>12;
-       if(dev_index>=devices.size())
-               throw InvalidParameterValue("Button does not exist");
-
-       const Device &dev = *devices[dev_index];
+       const Device &dev = *get_item(devices, btn>>12);
        return dev.get_name()+": "+dev.get_button_name(btn&0xFFF);
 }
 
 std::string Hub::get_axis_name(unsigned axis) const
 {
-       unsigned dev_index = axis>>12;
-       if(dev_index>=devices.size())
-               throw InvalidParameterValue("Axis does not exist");
-
-       const Device &dev = *devices[dev_index];
+       const Device &dev = *get_item(devices, axis>>12);
        return dev.get_name()+": "+dev.get_axis_name(axis&0xFFF);
 }
 
-void Hub::button_press(unsigned btn, unsigned index)
+void Hub::button_press(unsigned btn, unsigned tag)
 {
-       set_button_state((index<<12) | (btn&0xFFF), true, true);
+       set_button_state((tag<<12) | (btn&0xFFF), true, true);
 }
 
-void Hub::button_release(unsigned btn, unsigned index)
+void Hub::button_release(unsigned btn, unsigned tag)
 {
-       set_button_state((index<<12) | (btn&0xFFF), false, true);
+       set_button_state((tag<<12) | (btn&0xFFF), false, true);
 }
 
-void Hub::axis_motion(unsigned axis, float value, float, unsigned index)
+void Hub::axis_motion(unsigned axis, float value, float, unsigned tag)
 {
-       set_axis_value((index<<12) | (axis&0xFFF), value, true);
+       set_axis_value((tag<<12) | (axis&0xFFF), value, true);
 }
 
 } // namespace Input