src/msw/uiaction.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/uiaction.cpp
   3 // Purpose:     wxUIActionSimulator implementation
   4 // Author:      Kevin Ollivier, Steven Lamerton, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2010-03-06
   7 // Copyright:   (c) Kevin Ollivier
   8 //              (c) 2010 Steven Lamerton
   9 //              (c) 2010 Vadim Zeitlin
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_UIACTIONSIMULATOR
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/msw/private.h"             // For wxGetCursorPosMSW()
  19 #endif
  20
  21 #include "wx/uiaction.h"
  22 #include "wx/msw/wrapwin.h"
  23
  24 #include "wx/msw/private/keyboard.h"
  25
  26 #include "wx/math.h"
  27
  28 namespace
  29 {
  30
  31 DWORD EventTypeForMouseButton(int button, bool isDown)
  32 {
  33     switch (button)
  34     {
  35         case wxMOUSE_BTN_LEFT:
  36             return isDown ? MOUSEEVENTF_LEFTDOWN : MOUSEEVENTF_LEFTUP;
  37
  38         case wxMOUSE_BTN_RIGHT:
  39             return isDown ? MOUSEEVENTF_RIGHTDOWN : MOUSEEVENTF_RIGHTUP;
  40
  41         case wxMOUSE_BTN_MIDDLE:
  42             return isDown ? MOUSEEVENTF_MIDDLEDOWN : MOUSEEVENTF_MIDDLEUP;
  43
  44         default:
  45             wxFAIL_MSG("Unsupported button passed in.");
  46             return (DWORD)-1;
  47     }
  48 }
  49
  50 } // anonymous namespace
  51
  52 bool wxUIActionSimulator::MouseDown(int button)
  53 {
  54     POINT p;
  55     wxGetCursorPosMSW(&p);
  56     mouse_event(EventTypeForMouseButton(button, true), p.x, p.y, 0, 0);
  57     return true;
  58 }
  59
  60 bool wxUIActionSimulator::MouseMove(long x, long y)
  61 {
  62     // Because MOUSEEVENTF_ABSOLUTE takes measurements scaled between 0 & 65535
  63     // we need to scale our input too
  64     int displayx, displayy;
  65     wxDisplaySize(&displayx, &displayy);
  66
  67     // Casts are safe because x and y are supposed to be less than the display
  68     // size, so there is no danger of overflow.
  69     DWORD scaledx = static_cast<DWORD>(ceil(x * 65535.0 / (displayx-1)));
  70     DWORD scaledy = static_cast<DWORD>(ceil(y * 65535.0 / (displayy-1)));
  71     mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, scaledx, scaledy, 0, 0);
  72
  73     return true;
  74 }
  75
  76 bool wxUIActionSimulator::MouseUp(int button)
  77 {
  78     POINT p;
  79     wxGetCursorPosMSW(&p);
  80     mouse_event(EventTypeForMouseButton(button, false), p.x, p.y, 0, 0);
  81     return true;
  82 }
  83
  84 bool
  85 wxUIActionSimulator::DoKey(int keycode, int WXUNUSED(modifiers), bool isDown)
  86 {
  87     bool isExtended;
  88     DWORD vkkeycode = wxMSWKeyboard::WXToVK(keycode, &isExtended);
  89
  90     DWORD flags = 0;
  91     if ( isExtended )
  92         flags |= KEYEVENTF_EXTENDEDKEY;
  93     if ( !isDown )
  94         flags |= KEYEVENTF_KEYUP;
  95
  96     keybd_event(vkkeycode, 0, flags, 0);
  97
  98     return true;
  99 }
 100
 101 #endif // wxUSE_UIACTIONSIMULATOR