src/unix/uiactionx11.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/unix/uiactionx11.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/defs.h"
  15
  16 #if wxUSE_UIACTIONSIMULATOR
  17
  18 #include "wx/uiaction.h"
  19 #include "wx/event.h"
  20 #include "wx/evtloop.h"
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24
  25 #include "wx/unix/utilsx11.h"
  26
  27 namespace
  28 {
  29
  30 void SendButtonEvent(int button, bool isDown)
  31 {
  32     int xbutton;
  33     switch (button)
  34     {
  35         case wxMOUSE_BTN_LEFT:
  36             xbutton = 1;
  37             break;
  38         case wxMOUSE_BTN_MIDDLE:
  39             xbutton = 2;
  40             break;
  41         case wxMOUSE_BTN_RIGHT:
  42             xbutton = 3;
  43             break;
  44         default:
  45             wxFAIL_MSG("Unsupported button passed in.");
  46             return;
  47     }
  48
  49     wxX11Display display;
  50     wxCHECK_RET(display, "No display available!");
  51
  52     XEvent event;
  53     memset(&event, 0x00, sizeof(event));
  54
  55     event.type = isDown ? ButtonPress : ButtonRelease;
  56     event.xbutton.button = xbutton;
  57     event.xbutton.same_screen = True;
  58
  59     XQueryPointer(display, display.DefaultRoot(),
  60                   &event.xbutton.root, &event.xbutton.window,
  61                   &event.xbutton.x_root, &event.xbutton.y_root,
  62                   &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
  63     event.xbutton.subwindow = event.xbutton.window;
  64
  65     while (event.xbutton.subwindow)
  66     {
  67         event.xbutton.window = event.xbutton.subwindow;
  68         XQueryPointer(display, event.xbutton.window,
  69                       &event.xbutton.root, &event.xbutton.subwindow,
  70                       &event.xbutton.x_root, &event.xbutton.y_root,
  71                       &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
  72     }
  73
  74     XSendEvent(display, PointerWindow, True, 0xfff, &event);
  75 }
  76
  77 } // anonymous namespace
  78
  79 bool wxUIActionSimulator::MouseDown(int button)
  80 {
  81     SendButtonEvent(button, true);
  82     return true;
  83 }
  84
  85 bool wxUIActionSimulator::MouseMove(long x, long y)
  86 {
  87     wxX11Display display;
  88     wxASSERT_MSG(display, "No display available!");
  89
  90     Window root = display.DefaultRoot();
  91     XWarpPointer(display, None, root, 0, 0, 0, 0, x, y);
  92
  93     // At least with wxGTK we must always process the pending events before the
  94     // mouse position change really takes effect, so just do it from here
  95     // instead of forcing the client code using this function to always use
  96     // wxYield() which is unnecessary under the other platforms.
  97     if ( wxEventLoopBase* const loop = wxEventLoop::GetActive() )
  98     {
  99         loop->YieldFor(wxEVT_CATEGORY_USER_INPUT);
 100     }
 101
 102     return true;
 103 }
 104
 105 bool wxUIActionSimulator::MouseUp(int button)
 106 {
 107     SendButtonEvent(button, false);
 108     return true;
 109 }
 110
 111 bool wxUIActionSimulator::DoKey(int keycode, int modifiers, bool isDown)
 112 {
 113     wxX11Display display;
 114     wxCHECK_MSG(display, false, "No display available!");
 115
 116     int mask, type;
 117
 118     if ( isDown )
 119     {
 120         type = KeyPress;
 121         mask = KeyPressMask;
 122     }
 123     else
 124     {
 125         type = KeyRelease;
 126         mask = KeyReleaseMask;
 127     }
 128
 129     WXKeySym xkeysym = wxCharCodeWXToX(keycode);
 130     KeyCode xkeycode = XKeysymToKeycode(display, xkeysym);
 131     if ( xkeycode == NoSymbol )
 132         return false;
 133
 134     Window focus;
 135     int revert;
 136     XGetInputFocus(display, &focus, &revert);
 137     if (focus == None)
 138         return false;
 139
 140     int mod = 0;
 141
 142     if (modifiers & wxMOD_SHIFT)
 143         mod |= ShiftMask;
 144     //Mod1 is alt in the vast majority of cases
 145     if (modifiers & wxMOD_ALT)
 146         mod |= Mod1Mask;
 147     if (modifiers & wxMOD_CMD)
 148         mod |= ControlMask;
 149
 150     XKeyEvent event;
 151     event.display = display;
 152     event.window = focus;
 153     event.root = DefaultRootWindow(event.display);
 154     event.subwindow = None;
 155     event.time = CurrentTime;
 156     event.x = 1;
 157     event.y = 1;
 158     event.x_root = 1;
 159     event.y_root = 1;
 160     event.same_screen = True;
 161     event.type = type;
 162     event.state = mod;
 163     event.keycode = xkeycode;
 164
 165     XSendEvent(event.display, event.window, True, mask, (XEvent*) &event);
 166
 167     return true;
 168 }
 169
 170 #endif // wxUSE_UIACTIONSIMULATOR