X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/130d96dcf64bcade6fb6b9da49ee9983ed9872ef..222702b112dcc7bebe018d6f4d66fe469fefd02c:/src/unix/utilsx11.cpp diff --git a/src/unix/utilsx11.cpp b/src/unix/utilsx11.cpp index 778447cea1..26a81cff28 100644 --- a/src/unix/utilsx11.cpp +++ b/src/unix/utilsx11.cpp @@ -1,20 +1,24 @@ ///////////////////////////////////////////////////////////////////////////// // Name: src/unix/utilsx11.cpp // Purpose: Miscellaneous X11 functions -// Author: Mattia Barbon +// Author: Mattia Barbon, Vaclav Slavik, Robert Roebling // Modified by: // Created: 25.03.02 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows license +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #if defined(__WXX11__) || defined(__WXGTK__) || defined(__WXMOTIF__) +// for compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/unix/utilsx11.h" #include "wx/iconbndl.h" #include "wx/image.h" #include "wx/icon.h" +#include "wx/log.h" #ifdef __VMS #pragma message disable nosimpint @@ -25,21 +29,89 @@ #pragma message enable nosimpint #endif +#ifdef __WXGTK__ +#include +#include +#endif + +// Various X11 Atoms used in this file: +static Atom _NET_WM_ICON = 0; +static Atom _NET_WM_STATE = 0; +static Atom _NET_WM_STATE_FULLSCREEN = 0; +static Atom _NET_WM_STATE_STAYS_ON_TOP = 0; +static Atom _NET_WM_WINDOW_TYPE = 0; +static Atom _NET_WM_WINDOW_TYPE_NORMAL = 0; +static Atom _KDE_NET_WM_WINDOW_TYPE_OVERRIDE = 0; +static Atom _WIN_LAYER = 0; +static Atom KWIN_RUNNING = 0; +#ifndef __WXGTK20__ +static Atom _NET_SUPPORTING_WM_CHECK = 0; +static Atom _NET_SUPPORTED = 0; +#endif + +#define wxMAKE_ATOM(name, display) \ + if (name == 0) name = XInternAtom((display), #name, False) + + +// Is the window mapped? +static bool IsMapped(Display *display, Window window) +{ + XWindowAttributes attr; + XGetWindowAttributes(display, window, &attr); + return (attr.map_state != IsUnmapped); +} + + + +// Suspends X11 errors. Used when we expect errors but they are not fatal +// for us. +extern "C" { + static int wxX11ErrorsSuspender_handler(Display*, XErrorEvent*) { return 0; } +} +class wxX11ErrorsSuspender +{ +public: + wxX11ErrorsSuspender(Display *d) : m_display(d) + { + m_old = XSetErrorHandler(wxX11ErrorsSuspender_handler); + } + ~wxX11ErrorsSuspender() + { + XFlush(m_display); + XSetErrorHandler(m_old); + } + +private: + Display *m_display; + int (*m_old)(Display*, XErrorEvent *); +}; + + + +// ---------------------------------------------------------------------------- +// Setting icons for window manager: +// ---------------------------------------------------------------------------- + void wxSetIconsX11( WXDisplay* display, WXWindow window, const wxIconBundle& ib ) { +#if !wxUSE_NANOX size_t size = 0; size_t i, max = ib.m_icons.GetCount(); for( i = 0; i < max; ++i ) - size += 2 + ib.m_icons[i].GetWidth() * ib.m_icons[i].GetHeight(); + if( ib.m_icons[i].Ok() ) + size += 2 + ib.m_icons[i].GetWidth() * ib.m_icons[i].GetHeight(); - Atom net_wm_icon = XInternAtom( (Display*)display, "_NET_WM_ICON", 0 ); + wxMAKE_ATOM(_NET_WM_ICON, (Display*)display); if( size > 0 ) { - wxUint32* data = new wxUint32[size]; - wxUint32* ptr = data; +// The code below is correct for 64-bit machines also. +// wxUint32* data = new wxUint32[size]; +// wxUint32* ptr = data; + unsigned long* data = new unsigned long[size]; + unsigned long* ptr = data; for( i = 0; i < max; ++i ) { @@ -57,6 +129,12 @@ void wxSetIconsX11( WXDisplay* display, WXWindow window, gMask = image.GetMaskGreen(); bMask = image.GetMaskBlue(); } + else // no mask, but still init the variables to avoid warnings + { + rMask = + gMask = + bMask = 0; + } *ptr++ = width; *ptr++ = height; @@ -78,7 +156,7 @@ void wxSetIconsX11( WXDisplay* display, WXWindow window, XChangeProperty( (Display*)display, (Window)window, - net_wm_icon, + _NET_WM_ICON, XA_CARDINAL, 32, PropModeReplace, (unsigned char*)data, size ); @@ -88,8 +166,646 @@ void wxSetIconsX11( WXDisplay* display, WXWindow window, { XDeleteProperty( (Display*)display, (Window)window, - net_wm_icon ); + _NET_WM_ICON ); } +#endif } + +// ---------------------------------------------------------------------------- +// Fullscreen mode: +// ---------------------------------------------------------------------------- + +// NB: Setting fullscreen mode under X11 is a complicated matter. There was +// no standard way of doing it until recently. ICCCM doesn't know the +// concept of fullscreen windows and the only way to make a window +// fullscreen is to remove decorations, resize it to cover entire screen +// and set WIN_LAYER_ABOVE_DOCK. +// +// This doesn't always work, though. Specifically, at least kwin from +// KDE 3 ignores the hint. The only way to make kwin accept our request +// is to emulate the way Qt does it. That is, unmap the window, set +// _NET_WM_WINDOW_TYPE to _KDE_NET_WM_WINDOW_TYPE_OVERRIDE (KDE extension), +// add _NET_WM_STATE_STAYS_ON_TOP (ditto) to _NET_WM_STATE and map +// the window again. +// +// Version 1.2 of Window Manager Specification (aka wm-spec aka +// Extended Window Manager Hints) introduced _NET_WM_STATE_FULLSCREEN +// window state which provides cleanest and simplest possible way of +// making a window fullscreen. WM-spec is a de-facto standard adopted +// by GNOME and KDE folks, but _NET_WM_STATE_FULLSCREEN isn't yet widely +// supported. As of January 2003, only GNOME 2's default WM Metacity +// implements, KDE will support it from version 3.2. At toolkits level, +// GTK+ >= 2.1.2 uses it as the only method of making windows fullscreen +// (that's why wxGTK will *not* switch to using gtk_window_fullscreen +// unless it has better compatibility with older WMs). +// +// +// This is what wxWidgets does in wxSetFullScreenStateX11: +// 1) if _NET_WM_STATE_FULLSCREEN is supported, use it +// 2) otherwise try WM-specific hacks (KDE, IceWM) +// 3) use _WIN_LAYER and hope that the WM will recognize it +// The code was tested with: +// twm, IceWM, WindowMaker, Metacity, kwin, sawfish, lesstif-mwm + + +#define WIN_LAYER_NORMAL 4 +#define WIN_LAYER_ABOVE_DOCK 10 + +static void wxWinHintsSetLayer(Display *display, Window rootWnd, + Window window, int layer) +{ + wxX11ErrorsSuspender noerrors(display); + + XEvent xev; + + wxMAKE_ATOM( _WIN_LAYER, display ); + + if (IsMapped(display, window)) + { + xev.type = ClientMessage; + xev.xclient.type = ClientMessage; + xev.xclient.window = window; + xev.xclient.message_type = _WIN_LAYER; + xev.xclient.format = 32; + xev.xclient.data.l[0] = (long)layer; + xev.xclient.data.l[1] = CurrentTime; + + XSendEvent(display, rootWnd, False, + SubstructureNotifyMask, (XEvent*) &xev); + } + else + { + long data[1]; + + data[0] = layer; + XChangeProperty(display, window, + _WIN_LAYER, XA_CARDINAL, 32, + PropModeReplace, (unsigned char *)data, 1); + } +} + + + +#ifdef __WXGTK20__ +static bool wxQueryWMspecSupport(Display* WXUNUSED(display), + Window WXUNUSED(rootWnd), + Atom (feature)) +{ + GdkAtom gatom = gdk_x11_xatom_to_atom(feature); + return gdk_net_wm_supports(gatom); +} +#else +static bool wxQueryWMspecSupport(Display *display, Window rootWnd, Atom feature) +{ + wxMAKE_ATOM(_NET_SUPPORTING_WM_CHECK, display); + wxMAKE_ATOM(_NET_SUPPORTED, display); + + // FIXME: We may want to cache these checks. Note that we can't simply + // remember the results in global variable because the WM may go + // away and be replaced by another one! One possible approach + // would be invalidate the case every 15 seconds or so. Since this + // code is currently only used by wxTopLevelWindow::ShowFullScreen, + // it is not important that it is not optimized. + // + // If the WM supports ICCCM (i.e. the root window has + // _NET_SUPPORTING_WM_CHECK property that points to a WM-owned + // window), we could watch for DestroyNotify event on the window + // and invalidate our cache when the windows goes away (= WM + // is replaced by another one). This is what GTK+ 2 does. + // Let's do it only if it is needed, it requires changes to + // the event loop. + + Atom type; + Window *wins; + Atom *atoms; + int format; + unsigned long after; + unsigned long nwins, natoms; + + // Is the WM ICCCM supporting? + XGetWindowProperty(display, rootWnd, + _NET_SUPPORTING_WM_CHECK, 0, LONG_MAX, + False, XA_WINDOW, &type, &format, &nwins, + &after, (unsigned char **)&wins); + if ( type != XA_WINDOW || nwins <= 0 || wins[0] == None ) + return FALSE; + XFree(wins); + + // Query for supported features: + XGetWindowProperty(display, rootWnd, + _NET_SUPPORTED, 0, LONG_MAX, + False, XA_ATOM, &type, &format, &natoms, + &after, (unsigned char **)&atoms); + if ( type != XA_ATOM || atoms == NULL ) + return FALSE; + + // Lookup the feature we want: + for (unsigned i = 0; i < natoms; i++) + { + if ( atoms[i] == feature ) + { + XFree(atoms); + return TRUE; + } + } + XFree(atoms); + return FALSE; +} #endif + + +#define _NET_WM_STATE_REMOVE 0 +#define _NET_WM_STATE_ADD 1 + +static void wxWMspecSetState(Display *display, Window rootWnd, + Window window, int operation, Atom state) +{ + wxMAKE_ATOM(_NET_WM_STATE, display); + + if ( IsMapped(display, window) ) + { + XEvent xev; + xev.type = ClientMessage; + xev.xclient.type = ClientMessage; + xev.xclient.serial = 0; + xev.xclient.send_event = True; + xev.xclient.display = display; + xev.xclient.window = window; + xev.xclient.message_type = _NET_WM_STATE; + xev.xclient.format = 32; + xev.xclient.data.l[0] = operation; + xev.xclient.data.l[1] = state; + xev.xclient.data.l[2] = None; + + XSendEvent(display, rootWnd, + False, + SubstructureRedirectMask | SubstructureNotifyMask, + &xev); + } + // FIXME - must modify _NET_WM_STATE property list if the window + // wasn't mapped! +} + +static void wxWMspecSetFullscreen(Display *display, Window rootWnd, + Window window, bool fullscreen) +{ + wxMAKE_ATOM(_NET_WM_STATE_FULLSCREEN, display); + wxWMspecSetState(display, rootWnd, + window, + fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE, + _NET_WM_STATE_FULLSCREEN); +} + + +// Is the user running KDE's kwin window manager? At least kwin from KDE 3 +// sets KWIN_RUNNING property on the root window. +static bool wxKwinRunning(Display *display, Window rootWnd) +{ + wxMAKE_ATOM(KWIN_RUNNING, display); + + long *data; + Atom type; + int format; + unsigned long nitems, after; + if (XGetWindowProperty(display, rootWnd, + KWIN_RUNNING, 0, 1, False, KWIN_RUNNING, + &type, &format, &nitems, &after, + (unsigned char**)&data) != Success) + { + return FALSE; + } + + bool retval = (type == KWIN_RUNNING && + nitems == 1 && data && data[0] == 1); + XFree(data); + return retval; +} + +// KDE's kwin is Qt-centric so much than no normal method of fullscreen +// mode will work with it. We have to carefully emulate the Qt way. +static void wxSetKDEFullscreen(Display *display, Window rootWnd, + Window w, bool fullscreen, wxRect *origRect) +{ + long data[2]; + unsigned lng; + + wxMAKE_ATOM(_NET_WM_WINDOW_TYPE, display); + wxMAKE_ATOM(_NET_WM_WINDOW_TYPE_NORMAL, display); + wxMAKE_ATOM(_KDE_NET_WM_WINDOW_TYPE_OVERRIDE, display); + wxMAKE_ATOM(_NET_WM_STATE_STAYS_ON_TOP, display); + + if (fullscreen) + { + data[0] = _KDE_NET_WM_WINDOW_TYPE_OVERRIDE; + data[1] = _NET_WM_WINDOW_TYPE_NORMAL; + lng = 2; + } + else + { + data[0] = _NET_WM_WINDOW_TYPE_NORMAL; + data[1] = None; + lng = 1; + } + + // it is necessary to unmap the window, otherwise kwin will ignore us: + XSync(display, False); + + bool wasMapped = IsMapped(display, w); + if (wasMapped) + { + XUnmapWindow(display, w); + XSync(display, False); + } + + XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32, + PropModeReplace, (unsigned char *) &data, lng); + XSync(display, False); + + if (wasMapped) + { + XMapRaised(display, w); + XSync(display, False); + } + + wxWMspecSetState(display, rootWnd, w, + fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE, + _NET_WM_STATE_STAYS_ON_TOP); + XSync(display, False); + + if (!fullscreen) + { + // NB: like many other WMs, kwin ignores the first request for a window + // position change after the window was mapped. This additional + // move+resize event will ensure that the window is restored in + // exactly the same position as before it was made fullscreen + // (because wxTopLevelWindow::ShowFullScreen will call SetSize, thus + // setting the position for the second time). + XMoveResizeWindow(display, w, + origRect->x, origRect->y, + origRect->width, origRect->height); + XSync(display, False); + } +} + + +wxX11FullScreenMethod wxGetFullScreenMethodX11(WXDisplay* display, + WXWindow rootWindow) +{ + Window root = (Window)rootWindow; + Display *disp = (Display*)display; + + // if WM supports _NET_WM_STATE_FULLSCREEN from wm-spec 1.2, use it: + wxMAKE_ATOM(_NET_WM_STATE_FULLSCREEN, disp); + if (wxQueryWMspecSupport(disp, root, _NET_WM_STATE_FULLSCREEN)) + { + wxLogTrace(_T("fullscreen"), + _T("detected _NET_WM_STATE_FULLSCREEN support")); + return wxX11_FS_WMSPEC; + } + + // if the user is running KDE's kwin WM, use a legacy hack because + // kwin doesn't understand any other method: + if (wxKwinRunning(disp, root)) + { + wxLogTrace(_T("fullscreen"), _T("detected kwin")); + return wxX11_FS_KDE; + } + + // finally, fall back to ICCCM heuristic method: + wxLogTrace(_T("fullscreen"), _T("unknown WM, using _WIN_LAYER")); + return wxX11_FS_GENERIC; +} + + +void wxSetFullScreenStateX11(WXDisplay* display, WXWindow rootWindow, + WXWindow window, bool show, + wxRect *origRect, + wxX11FullScreenMethod method) +{ + // NB: please see the comment under "Fullscreen mode:" title above + // for implications of changing this code. + + Window wnd = (Window)window; + Window root = (Window)rootWindow; + Display *disp = (Display*)display; + + if (method == wxX11_FS_AUTODETECT) + method = wxGetFullScreenMethodX11(display, rootWindow); + + switch (method) + { + case wxX11_FS_WMSPEC: + wxWMspecSetFullscreen(disp, root, wnd, show); + break; + case wxX11_FS_KDE: + wxSetKDEFullscreen(disp, root, wnd, show, origRect); + break; + default: + wxWinHintsSetLayer(disp, root, wnd, + show ? WIN_LAYER_ABOVE_DOCK : WIN_LAYER_NORMAL); + break; + } +} + + + +// ---------------------------------------------------------------------------- +// keycode translations +// ---------------------------------------------------------------------------- + +#include + +// FIXME what about tables?? + +int wxCharCodeXToWX(KeySym keySym) +{ + int id; + switch (keySym) + { + case XK_Shift_L: + case XK_Shift_R: + id = WXK_SHIFT; break; + case XK_Control_L: + case XK_Control_R: + id = WXK_CONTROL; break; + case XK_Meta_L: + case XK_Meta_R: + id = WXK_ALT; break; + case XK_BackSpace: + id = WXK_BACK; break; + case XK_Delete: + id = WXK_DELETE; break; + case XK_Clear: + id = WXK_CLEAR; break; + case XK_Tab: + id = WXK_TAB; break; + case XK_numbersign: + id = '#'; break; + case XK_Return: + id = WXK_RETURN; break; + case XK_Escape: + id = WXK_ESCAPE; break; + case XK_Pause: + case XK_Break: + id = WXK_PAUSE; break; + case XK_Num_Lock: + id = WXK_NUMLOCK; break; + case XK_Scroll_Lock: + id = WXK_SCROLL; break; + + case XK_Home: + id = WXK_HOME; break; + case XK_End: + id = WXK_END; break; + case XK_Left: + id = WXK_LEFT; break; + case XK_Right: + id = WXK_RIGHT; break; + case XK_Up: + id = WXK_UP; break; + case XK_Down: + id = WXK_DOWN; break; + case XK_Next: + id = WXK_NEXT; break; + case XK_Prior: + id = WXK_PRIOR; break; + case XK_Menu: + id = WXK_MENU; break; + case XK_Select: + id = WXK_SELECT; break; + case XK_Cancel: + id = WXK_CANCEL; break; + case XK_Print: + id = WXK_PRINT; break; + case XK_Execute: + id = WXK_EXECUTE; break; + case XK_Insert: + id = WXK_INSERT; break; + case XK_Help: + id = WXK_HELP; break; + + case XK_KP_Multiply: + id = WXK_MULTIPLY; break; + case XK_KP_Add: + id = WXK_ADD; break; + case XK_KP_Subtract: + id = WXK_SUBTRACT; break; + case XK_KP_Divide: + id = WXK_DIVIDE; break; + case XK_KP_Decimal: + id = WXK_DECIMAL; break; + case XK_KP_Equal: + id = '='; break; + case XK_KP_Space: + id = ' '; break; + case XK_KP_Tab: + id = WXK_TAB; break; + case XK_KP_Enter: + id = WXK_RETURN; break; + case XK_KP_0: + id = WXK_NUMPAD0; break; + case XK_KP_1: + id = WXK_NUMPAD1; break; + case XK_KP_2: + id = WXK_NUMPAD2; break; + case XK_KP_3: + id = WXK_NUMPAD3; break; + case XK_KP_4: + id = WXK_NUMPAD4; break; + case XK_KP_5: + id = WXK_NUMPAD5; break; + case XK_KP_6: + id = WXK_NUMPAD6; break; + case XK_KP_7: + id = WXK_NUMPAD7; break; + case XK_KP_8: + id = WXK_NUMPAD8; break; + case XK_KP_9: + id = WXK_NUMPAD9; break; + case XK_F1: + id = WXK_F1; break; + case XK_F2: + id = WXK_F2; break; + case XK_F3: + id = WXK_F3; break; + case XK_F4: + id = WXK_F4; break; + case XK_F5: + id = WXK_F5; break; + case XK_F6: + id = WXK_F6; break; + case XK_F7: + id = WXK_F7; break; + case XK_F8: + id = WXK_F8; break; + case XK_F9: + id = WXK_F9; break; + case XK_F10: + id = WXK_F10; break; + case XK_F11: + id = WXK_F11; break; + case XK_F12: + id = WXK_F12; break; + case XK_F13: + id = WXK_F13; break; + case XK_F14: + id = WXK_F14; break; + case XK_F15: + id = WXK_F15; break; + case XK_F16: + id = WXK_F16; break; + case XK_F17: + id = WXK_F17; break; + case XK_F18: + id = WXK_F18; break; + case XK_F19: + id = WXK_F19; break; + case XK_F20: + id = WXK_F20; break; + case XK_F21: + id = WXK_F21; break; + case XK_F22: + id = WXK_F22; break; + case XK_F23: + id = WXK_F23; break; + case XK_F24: + id = WXK_F24; break; + default: + id = (keySym <= 255) ? (int)keySym : -1; + } + + return id; +} + +KeySym wxCharCodeWXToX(int id) +{ + KeySym keySym; + + switch (id) + { + case WXK_CANCEL: keySym = XK_Cancel; break; + case WXK_BACK: keySym = XK_BackSpace; break; + case WXK_TAB: keySym = XK_Tab; break; + case WXK_CLEAR: keySym = XK_Clear; break; + case WXK_RETURN: keySym = XK_Return; break; + case WXK_SHIFT: keySym = XK_Shift_L; break; + case WXK_CONTROL: keySym = XK_Control_L; break; + case WXK_ALT: keySym = XK_Meta_L; break; + case WXK_MENU : keySym = XK_Menu; break; + case WXK_PAUSE: keySym = XK_Pause; break; + case WXK_ESCAPE: keySym = XK_Escape; break; + case WXK_SPACE: keySym = ' '; break; + case WXK_PRIOR: keySym = XK_Prior; break; + case WXK_NEXT : keySym = XK_Next; break; + case WXK_END: keySym = XK_End; break; + case WXK_HOME : keySym = XK_Home; break; + case WXK_LEFT : keySym = XK_Left; break; + case WXK_UP: keySym = XK_Up; break; + case WXK_RIGHT: keySym = XK_Right; break; + case WXK_DOWN : keySym = XK_Down; break; + case WXK_SELECT: keySym = XK_Select; break; + case WXK_PRINT: keySym = XK_Print; break; + case WXK_EXECUTE: keySym = XK_Execute; break; + case WXK_INSERT: keySym = XK_Insert; break; + case WXK_DELETE: keySym = XK_Delete; break; + case WXK_HELP : keySym = XK_Help; break; + case WXK_NUMPAD0: keySym = XK_KP_0; break; + case WXK_NUMPAD1: keySym = XK_KP_1; break; + case WXK_NUMPAD2: keySym = XK_KP_2; break; + case WXK_NUMPAD3: keySym = XK_KP_3; break; + case WXK_NUMPAD4: keySym = XK_KP_4; break; + case WXK_NUMPAD5: keySym = XK_KP_5; break; + case WXK_NUMPAD6: keySym = XK_KP_6; break; + case WXK_NUMPAD7: keySym = XK_KP_7; break; + case WXK_NUMPAD8: keySym = XK_KP_8; break; + case WXK_NUMPAD9: keySym = XK_KP_9; break; + case WXK_MULTIPLY: keySym = XK_KP_Multiply; break; + case WXK_ADD: keySym = XK_KP_Add; break; + case WXK_SUBTRACT: keySym = XK_KP_Subtract; break; + case WXK_DECIMAL: keySym = XK_KP_Decimal; break; + case WXK_DIVIDE: keySym = XK_KP_Divide; break; + case WXK_F1: keySym = XK_F1; break; + case WXK_F2: keySym = XK_F2; break; + case WXK_F3: keySym = XK_F3; break; + case WXK_F4: keySym = XK_F4; break; + case WXK_F5: keySym = XK_F5; break; + case WXK_F6: keySym = XK_F6; break; + case WXK_F7: keySym = XK_F7; break; + case WXK_F8: keySym = XK_F8; break; + case WXK_F9: keySym = XK_F9; break; + case WXK_F10: keySym = XK_F10; break; + case WXK_F11: keySym = XK_F11; break; + case WXK_F12: keySym = XK_F12; break; + case WXK_F13: keySym = XK_F13; break; + case WXK_F14: keySym = XK_F14; break; + case WXK_F15: keySym = XK_F15; break; + case WXK_F16: keySym = XK_F16; break; + case WXK_F17: keySym = XK_F17; break; + case WXK_F18: keySym = XK_F18; break; + case WXK_F19: keySym = XK_F19; break; + case WXK_F20: keySym = XK_F20; break; + case WXK_F21: keySym = XK_F21; break; + case WXK_F22: keySym = XK_F22; break; + case WXK_F23: keySym = XK_F23; break; + case WXK_F24: keySym = XK_F24; break; + case WXK_NUMLOCK: keySym = XK_Num_Lock; break; + case WXK_SCROLL: keySym = XK_Scroll_Lock; break; + default: keySym = id <= 255 ? (KeySym)id : 0; + } + + return keySym; +} + + +// ---------------------------------------------------------------------------- +// check current state of a key +// ---------------------------------------------------------------------------- + +#include + +bool wxGetKeyState(wxKeyCode key) +{ + wxASSERT_MSG(key != WXK_LBUTTON && key != WXK_RBUTTON && key != + WXK_MBUTTON, wxT("can't use wxGetKeyState() for mouse buttons")); + +#if defined(__WXX11__) + Display *pDisplay = (Display*) wxApp::GetDisplay(); +#elif defined(__WXGTK__) + Display *pDisplay = GDK_DISPLAY(); +#elif defined(__WXMOTIF__) + Display *pDisplay = (Display*) (wxTheApp ? wxTheApp->GetInitialDisplay() : NULL); +#else +#error Add code to get the DISPLAY for this platform +#endif + + int iKey = wxCharCodeWXToX(key); + int iKeyMask = 0; + Window wDummy1, wDummy2; + int iDummy3, iDummy4, iDummy5, iDummy6; + unsigned int iMask; + XModifierKeymap* map = XGetModifierMapping(pDisplay); + KeyCode keyCode = XKeysymToKeycode(pDisplay,iKey); + if (keyCode == NoSymbol) + return false; + + for (int i = 0; i < 8; ++i) + { + if ( map->modifiermap[map->max_keypermod * i] == keyCode) + { + iKeyMask = 1 << i; + } + } + + XQueryPointer(pDisplay, DefaultRootWindow(pDisplay), &wDummy1, &wDummy2, + &iDummy3, &iDummy4, &iDummy5, &iDummy6, &iMask ); + XFreeModifiermap(map); + return (iMask & iKeyMask) != 0; +} + +#endif + + + + +