Normalize device axis ranges to [-1, 1]

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

diff --git a/source/input/hub.cpp b/source/input/hub.cpp
index e6969372f9240c728d6b15deeb2f0f591caefe98..0bc818f1adac6e28fdda21a9afdfd639dc8dada3 100644 (file)
--- a/source/input/hub.cpp
+++ b/source/input/hub.cpp
@@ -30,13 +30,23 @@ unsigned Hub::attach(Device &dev)
 std::string Hub::get_button_name(unsigned btn) const
 {
        unsigned dev_index=btn>>12;
-       if(dev_index>devices.size())
+       if(dev_index>=devices.size())
                throw InvalidParameterValue("Button does not exist");
 
        const Device &dev=*devices[dev_index];
        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];
+       return dev.get_name()+": "+dev.get_axis_name(axis&0xFFF);
+}
+
 void Hub::button_press(unsigned btn, unsigned index)
 {
        set_button_state((index<<12) | (btn&0xFFF), true, true);