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 // Copyright:   (c) Kevin Ollivier
   8 //              (c) 2010 Steven Lamerton
   9 //              (c) 2010 Vadim Zeitlin
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #include "wx/defs.h"
  14
  15 #if wxUSE_UIACTIONSIMULATOR
  16
  17 #include "wx/uiaction.h"
  18 #include "wx/event.h"
  19 #include "wx/evtloop.h"
  20
  21 #include <X11/Xlib.h>
  22 #include <X11/Xutil.h>
  23
  24 #include "wx/unix/utilsx11.h"
  25
  26 namespace
  27 {
  28
  29 void SendButtonEvent(int button, bool isDown)
  30 {
  31     int xbutton;
  32     switch (button)
  33     {
  34         case wxMOUSE_BTN_LEFT:
  35             xbutton = 1;
  36             break;
  37         case wxMOUSE_BTN_MIDDLE:
  38             xbutton = 2;
  39             break;
  40         case wxMOUSE_BTN_RIGHT:
  41             xbutton = 3;
  42             break;
  43         default:
  44             wxFAIL_MSG("Unsupported button passed in.");
  45             return;
  46     }
  47
  48     wxX11Display display;
  49     wxCHECK_RET(display, "No display available!");
  50
  51     XEvent event;
  52     memset(&event, 0x00, sizeof(event));
  53
  54     event.type = isDown ? ButtonPress : ButtonRelease;
  55     event.xbutton.button = xbutton;
  56     event.xbutton.same_screen = True;
  57
  58     XQueryPointer(display, display.DefaultRoot(),
  59                   &event.xbutton.root, &event.xbutton.window,
  60                   &event.xbutton.x_root, &event.xbutton.y_root,
  61                   &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
  62     event.xbutton.subwindow = event.xbutton.window;
  63
  64     while (event.xbutton.subwindow)
  65     {
  66         event.xbutton.window = event.xbutton.subwindow;
  67         XQueryPointer(display, event.xbutton.window,
  68                       &event.xbutton.root, &event.xbutton.subwindow,
  69                       &event.xbutton.x_root, &event.xbutton.y_root,
  70                       &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
  71     }
  72
  73     XSendEvent(display, PointerWindow, True, 0xfff, &event);
  74 }
  75
  76 } // anonymous namespace
  77
  78 bool wxUIActionSimulator::MouseDown(int button)
  79 {
  80     SendButtonEvent(button, true);
  81     return true;
  82 }
  83
  84 bool wxUIActionSimulator::MouseMove(long x, long y)
  85 {
  86     wxX11Display display;
  87     wxASSERT_MSG(display, "No display available!");
  88
  89     Window root = display.DefaultRoot();
  90     XWarpPointer(display, None, root, 0, 0, 0, 0, x, y);
  91
  92     // At least with wxGTK we must always process the pending events before the
  93     // mouse position change really takes effect, so just do it from here
  94     // instead of forcing the client code using this function to always use
  95     // wxYield() which is unnecessary under the other platforms.
  96     if ( wxEventLoopBase* const loop = wxEventLoop::GetActive() )
  97     {
  98         loop->YieldFor(wxEVT_CATEGORY_USER_INPUT);
  99     }
 100
 101     return true;
 102 }
 103
 104 bool wxUIActionSimulator::MouseUp(int button)
 105 {
 106     SendButtonEvent(button, false);
 107     return true;
 108 }
 109
 110 bool wxUIActionSimulator::DoKey(int keycode, int modifiers, bool isDown)
 111 {
 112     wxX11Display display;
 113     wxCHECK_MSG(display, false, "No display available!");
 114
 115     int mask, type;
 116
 117     if ( isDown )
 118     {
 119         type = KeyPress;
 120         mask = KeyPressMask;
 121     }
 122     else
 123     {
 124         type = KeyRelease;
 125         mask = KeyReleaseMask;
 126     }
 127
 128     WXKeySym xkeysym = wxCharCodeWXToX(keycode);
 129     KeyCode xkeycode = XKeysymToKeycode(display, xkeysym);
 130     if ( xkeycode == NoSymbol )
 131         return false;
 132
 133     Window focus;
 134     int revert;
 135     XGetInputFocus(display, &focus, &revert);
 136     if (focus == None)
 137         return false;
 138
 139     int mod = 0;
 140
 141     if (modifiers & wxMOD_SHIFT)
 142         mod |= ShiftMask;
 143     //Mod1 is alt in the vast majority of cases
 144     if (modifiers & wxMOD_ALT)
 145         mod |= Mod1Mask;
 146     if (modifiers & wxMOD_CMD)
 147         mod |= ControlMask;
 148
 149     XKeyEvent event;
 150     event.display = display;
 151     event.window = focus;
 152     event.root = DefaultRootWindow(event.display);
 153     event.subwindow = None;
 154     event.time = CurrentTime;
 155     event.x = 1;
 156     event.y = 1;
 157     event.x_root = 1;
 158     event.y_root = 1;
 159     event.same_screen = True;
 160     event.type = type;
 161     event.state = mod;
 162     event.keycode = xkeycode;
 163
 164     XSendEvent(event.display, event.window, True, mask, (XEvent*) &event);
 165
 166     return true;
 167 }
 168
 169 #endif // wxUSE_UIACTIONSIMULATOR