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