source/input/mouse.cpp

   1 #include <msp/strings/format.h>
   2 #include "mouse.h"
   3
   4 namespace Msp {
   5 namespace Input {
   6
   7 Mouse::Mouse(Graphics::EventSource &s):
   8         source(s)
   9 {
  10         name = "Mouse";
  11
  12         buttons.resize(3);
  13         axes.resize(2);
  14
  15         source.signal_button_press.connect(sigc::mem_fun(this, &Mouse::button_press));
  16         source.signal_button_release.connect(sigc::mem_fun(this, &Mouse::button_release));
  17         source.signal_pointer_motion.connect(sigc::mem_fun(this, &Mouse::pointer_motion));
  18 }
  19
  20 std::string Mouse::get_button_name(unsigned btn) const
  21 {
  22         switch(btn)
  23         {
  24         case 1:
  25                 return "Left";
  26         case 2:
  27                 return "Middle";
  28         case 3:
  29                 return "Right";
  30         case 4:
  31                 return "Wheel Up";
  32         case 5:
  33                 return "Wheel Down";
  34         default:
  35                 return format("Button %d", btn);
  36         }
  37 }
  38
  39 std::string Mouse::get_axis_name(unsigned axis) const
  40 {
  41         switch(axis)
  42         {
  43         case 0:
  44                 return "X axis";
  45         case 1:
  46                 return "Y axis";
  47         default:
  48                 return format("Axis %d", axis);
  49         };
  50 }
  51
  52 void Mouse::button_press(int, int, unsigned btn, unsigned)
  53 {
  54         set_button_state(btn, true, true);
  55 }
  56
  57 void Mouse::button_release(int, int, unsigned btn, unsigned)
  58 {
  59         set_button_state(btn, false, true);
  60 }
  61
  62 void Mouse::pointer_motion(int x, int y)
  63 {
  64         set_axis_value(0, x*2.0f/source.get_width()-1.0f, true);
  65         set_axis_value(1, 1.0f-y*2.0f/source.get_height(), true);
  66 }
  67
  68 } // namespace Input
  69 } // namespace Msp