[wxWidgets.git] / src / motif / utils.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/motif/utils.cpp
// Purpose:     Various utilities
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/utils.h"

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/dcmemory.h"
    #include "wx/bitmap.h"
#endif

#include "wx/apptrait.h"
#include "wx/evtloop.h"
#include "wx/motif/private/timer.h"

#include <string.h>

#if (defined(__SUNCC__) || defined(__CLCC__))
    #include <sysent.h>
#endif

#ifdef __VMS__
#pragma message disable nosimpint
#endif

#include "wx/unix/execute.h"

#include <Xm/Xm.h>
#include <Xm/Frame.h>

#include "wx/motif/private.h"

#include "X11/Xutil.h"

#ifdef __VMS__
#pragma message enable nosimpint
#endif


// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// async event processing
// ----------------------------------------------------------------------------

// Consume all events until no more left
void wxFlushEvents(WXDisplay* wxdisplay)
{
    Display *display = (Display*)wxdisplay;
    wxEventLoop evtLoop;

    XSync (display, False);

    while (evtLoop.Pending())
    {
        XFlush (display);
        evtLoop.Dispatch();
    }
}

// ----------------------------------------------------------------------------
// wxExecute stuff
// ----------------------------------------------------------------------------

static void xt_notify_end_process(XtPointer data, int *WXUNUSED(fid),
                                  XtInputId *id)
{
    wxEndProcessData *proc_data = (wxEndProcessData *)data;

    wxHandleProcessTermination(proc_data);

    // VZ: I think they should be the same...
    wxASSERT( (int)*id == proc_data->tag );

    XtRemoveInput(*id);
}

int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
{
    XtInputId id = XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(),
                                 fd,
                                 (XtPointer *) XtInputReadMask,
                                 (XtInputCallbackProc) xt_notify_end_process,
                                 (XtPointer) proc_data);

    return (int)id;
}

// ----------------------------------------------------------------------------
// misc
// ----------------------------------------------------------------------------

// Emit a beeeeeep
void wxBell()
{
    // Use current setting for the bell
    XBell (wxGlobalDisplay(), 0);
}

wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
{
    // XmVERSION and XmREVISION are defined in Xm/Xm.h
    if ( verMaj )
        *verMaj = XmVERSION;
    if ( verMin )
        *verMin = XmREVISION;

    return wxPORT_MOTIF;
}

wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
{
    return new wxEventLoop;
}

wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer* timer)
{
    return new wxMotifTimerImpl(timer);
}

// ----------------------------------------------------------------------------
// display info
// ----------------------------------------------------------------------------

void wxGetMousePosition( int* x, int* y )
{
#if wxUSE_NANOX
    // TODO
    *x = 0;
    *y = 0;
#else
    XMotionEvent xev;
    Window root, child;
    XQueryPointer(wxGlobalDisplay(),
                  DefaultRootWindow(wxGlobalDisplay()),
                  &root, &child,
                  &(xev.x_root), &(xev.y_root),
                  &(xev.x),      &(xev.y),
                  &(xev.state));
    *x = xev.x_root;
    *y = xev.y_root;
#endif
}

// Return true if we have a colour display
bool wxColourDisplay()
{
    return wxDisplayDepth() > 1;
}

// Returns depth of screen
int wxDisplayDepth()
{
    Display *dpy = wxGlobalDisplay();

    return DefaultDepth (dpy, DefaultScreen (dpy));
}

// Get size of display
void wxDisplaySize(int *width, int *height)
{
    Display *dpy = wxGlobalDisplay();

    if ( width )
        *width = DisplayWidth (dpy, DefaultScreen (dpy));
    if ( height )
        *height = DisplayHeight (dpy, DefaultScreen (dpy));
}

void wxDisplaySizeMM(int *width, int *height)
{
    Display *dpy = wxGlobalDisplay();

    if ( width )
        *width = DisplayWidthMM(dpy, DefaultScreen (dpy));
    if ( height )
        *height = DisplayHeightMM(dpy, DefaultScreen (dpy));
}

// Configurable display in wxX11 and wxMotif
static WXDisplay *gs_currentDisplay = NULL;
static wxString gs_displayName;

WXDisplay *wxGetDisplay()
{
    if (gs_currentDisplay)
        return gs_currentDisplay;
    else if (wxTheApp)
        return wxTheApp->GetInitialDisplay();
    return NULL;
}

bool wxSetDisplay(const wxString& display_name)
{
    gs_displayName = display_name;

    if ( display_name.empty() )
    {
        gs_currentDisplay = NULL;

        return true;
    }
    else
    {
        Cardinal argc = 0;

        Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(),
            display_name.c_str(),
            wxTheApp->GetAppName().c_str(),
            wxTheApp->GetClassName().c_str(),
            NULL,
#if XtSpecificationRelease < 5
            0, &argc,
#else
            0, (int *)&argc,
#endif
            NULL);

        if (display)
        {
            gs_currentDisplay = (WXDisplay*) display;
            return true;
        }
        else
            return false;
    }
}

wxString wxGetDisplayName()
{
    return gs_displayName;
}

wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
    return wxGenericFindWindowAtPoint(pt);
}

// ----------------------------------------------------------------------------
// Some colour manipulation routines
// ----------------------------------------------------------------------------

void wxHSVToXColor(wxHSV *hsv,XColor *rgb)
{
    int h = hsv->h;
    int s = hsv->s;
    int v = hsv->v;
    int r = 0, g = 0, b = 0;
    int i, f;
    int p, q, t;
    s = (s * wxMAX_RGB) / wxMAX_SV;
    v = (v * wxMAX_RGB) / wxMAX_SV;
    if (h == 360) h = 0;
    if (s == 0) { h = 0; r = g = b = v; }
    i = h / 60;
    f = h % 60;
    p = v * (wxMAX_RGB - s) / wxMAX_RGB;
    q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
    t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
    switch (i)
    {
    case 0: r = v, g = t, b = p; break;
    case 1: r = q, g = v, b = p; break;
    case 2: r = p, g = v, b = t; break;
    case 3: r = p, g = q, b = v; break;
    case 4: r = t, g = p, b = v; break;
    case 5: r = v, g = p, b = q; break;
    }
    rgb->red = (unsigned short)(r << 8);
    rgb->green = (unsigned short)(g << 8);
    rgb->blue = (unsigned short)(b << 8);
}

void wxXColorToHSV(wxHSV *hsv,XColor *rgb)
{
    int r = rgb->red >> 8;
    int g = rgb->green >> 8;
    int b = rgb->blue >> 8;
    int maxv = wxMax3(r, g, b);
    int minv = wxMin3(r, g, b);
    int h = 0, s, v;
    v = maxv;
    if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
    else s = 0;
    if (s == 0) h = 0;
    else
    {
        int rc, gc, bc, hex = 0;
        rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
        gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
        bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
        if (r == maxv) { h = bc - gc, hex = 0; }
        else if (g == maxv) { h = rc - bc, hex = 2; }
        else if (b == maxv) { h = gc - rc, hex = 4; }
        h = hex * 60 + (h * 60 / wxMAX_RGB);
        if (h < 0) h += 360;
    }
    hsv->h = h;
    hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
    hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
}

void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc)
{
#if !wxUSE_NANOX
    int llp;

    int screen = DefaultScreen(d);
    int num_colors = DisplayCells(d,screen);

    XColor *color_defs = new XColor[num_colors];
    for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
    XQueryColors(d,cmp,color_defs,num_colors);

    wxHSV hsv_defs, hsv;
    wxXColorToHSV(&hsv,xc);

    int diff, min_diff = 0, pixel = 0;

    for(llp = 0;llp < num_colors;llp++)
    {
        wxXColorToHSV(&hsv_defs,&color_defs[llp]);
        diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
            wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
            wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
        if (llp == 0) min_diff = diff;
        if (min_diff > diff) { min_diff = diff; pixel = llp; }
        if (min_diff == 0) break;
    }

    xc -> red = color_defs[pixel].red;
    xc -> green = color_defs[pixel].green;
    xc -> blue = color_defs[pixel].blue;
    xc -> flags = DoRed | DoGreen | DoBlue;

/*  FIXME, TODO
    if (!XAllocColor(d,cmp,xc))
        cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
*/

    delete[] color_defs;
#endif
}

void wxAllocColor(Display *d,Colormap cmp,XColor *xc)
{
    if (!XAllocColor(d,cmp,xc))
    {
        //          cout << "wxAllocColor : Warning : cannot allocate color, attempt find nearest !\n";
        wxAllocNearestColor(d,cmp,xc);
    }
}

wxString wxGetXEventName(XEvent& event)
{
#if wxUSE_NANOX
    wxString str(wxT("(some event)"));
    return str;
#else
    int type = event.xany.type;
    static char* event_name[] = {
        wxMOTIF_STR(""), wxMOTIF_STR("unknown(-)"),                                         // 0-1
        wxMOTIF_STR("KeyPress"), wxMOTIF_STR("KeyRelease"), wxMOTIF_STR("ButtonPress"), wxMOTIF_STR("ButtonRelease"), // 2-5
        wxMOTIF_STR("MotionNotify"), wxMOTIF_STR("EnterNotify"), wxMOTIF_STR("LeaveNotify"), wxMOTIF_STR("FocusIn"),  // 6-9
        wxMOTIF_STR("FocusOut"), wxMOTIF_STR("KeymapNotify"), wxMOTIF_STR("Expose"), wxMOTIF_STR("GraphicsExpose"),   // 10-13
        wxMOTIF_STR("NoExpose"), wxMOTIF_STR("VisibilityNotify"), wxMOTIF_STR("CreateNotify"),           // 14-16
        wxMOTIF_STR("DestroyNotify"), wxMOTIF_STR("UnmapNotify"), wxMOTIF_STR("MapNotify"), wxMOTIF_STR("MapRequest"),// 17-20
        wxMOTIF_STR("ReparentNotify"), wxMOTIF_STR("ConfigureNotify"), wxMOTIF_STR("ConfigureRequest"),  // 21-23
        wxMOTIF_STR("GravityNotify"), wxMOTIF_STR("ResizeRequest"), wxMOTIF_STR("CirculateNotify"),      // 24-26
        wxMOTIF_STR("CirculateRequest"), wxMOTIF_STR("PropertyNotify"), wxMOTIF_STR("SelectionClear"),   // 27-29
        wxMOTIF_STR("SelectionRequest"), wxMOTIF_STR("SelectionNotify"), wxMOTIF_STR("ColormapNotify"),  // 30-32
        wxMOTIF_STR("ClientMessage"), wxMOTIF_STR("MappingNotify"),                         // 33-34
        wxMOTIF_STR("unknown(+)")};                                            // 35
    type = wxMin(35, type); type = wxMax(1, type);
    wxString str(event_name[type]);
    return str;
#endif
}

// ----------------------------------------------------------------------------
// accelerators
// ----------------------------------------------------------------------------

// Find the letter corresponding to the mnemonic, for Motif
char wxFindMnemonic (const char *s)
{
    char mnem = 0;
    int len = strlen (s);
    int i;

    for (i = 0; i < len; i++)
    {
        if (s[i] == '&')
        {
            // Carefully handle &&
            if ((i + 1) <= len && s[i + 1] == '&')
                i++;
            else
            {
                mnem = s[i + 1];
                break;
            }
        }
    }
    return mnem;
}

char* wxFindAccelerator( const char *s )
{
#if 1
    wxUnusedVar(s);
    // VZ: this function returns incorrect keysym which completely breaks kbd
    //     handling
    return NULL;
#else
    // The accelerator text is after the \t char.
    s = strchr( s, '\t' );

    if( !s ) return NULL;

    /*
    Now we need to format it as X standard:

      input            output

        F7           --> <Key>F7
        Ctrl+N       --> Ctrl<Key>N
        Alt+k        --> Meta<Key>k
        Ctrl+Shift+A --> Ctrl Shift<Key>A

        and handle Ctrl-N & similia
    */

    static char buf[256];

    buf[0] = '\0';
    wxString tmp = s + 1; // skip TAB
    size_t index = 0;

    while( index < tmp.length() )
    {
        size_t plus  = tmp.find( '+', index );
        size_t minus = tmp.find( '-', index );

        // neither '+' nor '-', add <Key>
        if( plus == wxString::npos && minus == wxString::npos )
        {
            strcat( buf, "<Key>" );
            strcat( buf, tmp.c_str() + index );

            return buf;
        }

        // OK: npos is big and positive
        size_t sep = wxMin( plus, minus );
        wxString mod = tmp.substr( index, sep - index );

        // Ctrl  -> Ctrl
        // Shift -> Shift
        // Alt   -> Meta
        if( mod == "Alt" )
            mod = "Meta";

        if( buf[0] )
            strcat( buf, " " );

        strcat( buf, mod.c_str() );

        index = sep + 1;
    }

    return NULL;
#endif
}

XmString wxFindAcceleratorText (const char *s)
{
#if 1
    wxUnusedVar(s);
    // VZ: this function returns incorrect keysym which completely breaks kbd
    //     handling
    return NULL;
#else
    // The accelerator text is after the \t char.
    s = strchr( s, '\t' );

    if( !s ) return NULL;

    return wxStringToXmString( s + 1 ); // skip TAB!
#endif
}

// Change a widget's foreground and background colours.
void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
{
    if (!foregroundColour.IsOk())
        return;

    // When should we specify the foreground, if it's calculated
    // by wxComputeColours?
    // Solution: say we start with the default (computed) foreground colour.
    // If we call SetForegroundColour explicitly for a control or window,
    // then the foreground is changed.
    // Therefore SetBackgroundColour computes the foreground colour, and
    // SetForegroundColour changes the foreground colour. The ordering is
    // important.

    XtVaSetValues ((Widget) widget,
        XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
        NULL);
}

void wxDoChangeBackgroundColour(WXWidget widget, const wxColour& backgroundColour, bool changeArmColour)
{
    if (!backgroundColour.IsOk())
        return;

    wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
        NULL);

    XtVaSetValues ((Widget) widget,
        XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
        XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
        XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
        XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
        NULL);

    if (changeArmColour)
        XtVaSetValues ((Widget) widget,
        XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
        NULL);
}

extern void wxDoChangeFont(WXWidget widget, const wxFont& font)
{
    // Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does
#if !wxCHECK_LESSTIF() // || wxCHECK_LESSTIF_VERSION( 0, 93 )
    Widget w = (Widget)widget;
    XtVaSetValues( w,
                   wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ),
                   NULL );
#else
    wxUnusedVar(widget);
    wxUnusedVar(font);
#endif

}

wxString wxXmStringToString( const XmString& xmString )
{
    char *txt;
    if( XmStringGetLtoR( xmString, XmSTRING_DEFAULT_CHARSET, &txt ) )
    {
        wxString str(txt);
        XtFree (txt);
        return str;
    }

    return wxEmptyString;
}

XmString wxStringToXmString( const char* str )
{
    return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
}

// ----------------------------------------------------------------------------
// wxBitmap utility functions
// ----------------------------------------------------------------------------

// Creates a bitmap with transparent areas drawn in
// the given colour.
wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour)
{
    wxBitmap newBitmap(bitmap.GetWidth(),
                       bitmap.GetHeight(),
                       bitmap.GetDepth());
    wxMemoryDC destDC;
    wxMemoryDC srcDC;

    srcDC.SelectObjectAsSource(bitmap);
    destDC.SelectObject(newBitmap);

    wxBrush brush(colour, wxSOLID);
    destDC.SetBackground(brush);
    destDC.Clear();
    destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
                &srcDC, 0, 0, wxCOPY, true);

    return newBitmap;
}

// ----------------------------------------------------------------------------
// Miscellaneous functions
// ----------------------------------------------------------------------------

WXWidget wxCreateBorderWidget( WXWidget parent, long style )
{
    Widget borderWidget = (Widget)NULL, parentWidget = (Widget)parent;

    if (style & wxSIMPLE_BORDER)
    {
        borderWidget = XtVaCreateManagedWidget
                                   (
                                    "simpleBorder",
                                    xmFrameWidgetClass, parentWidget,
                                    XmNshadowType, XmSHADOW_ETCHED_IN,
                                    XmNshadowThickness, 1,
                                    NULL
                                   );
    }
    else if ((style & wxSUNKEN_BORDER) || (style & wxBORDER_THEME))
    {
        borderWidget = XtVaCreateManagedWidget
                                   (
                                    "sunkenBorder",
                                    xmFrameWidgetClass, parentWidget,
                                    XmNshadowType, XmSHADOW_IN,
                                    NULL
                                   );
    }
    else if (style & wxRAISED_BORDER)
    {
        borderWidget = XtVaCreateManagedWidget
                                   (
                                    "raisedBorder",
                                    xmFrameWidgetClass, parentWidget,
                                    XmNshadowType, XmSHADOW_OUT,
                                    NULL
                                   );
    }

    return borderWidget;
}
Commit	Line	Data
4bb6408c	1	/////////////////////////////////////////////////////////////////////////////
355b4d3d	2	// Name: src/motif/utils.cpp
4bb6408c JS	3	// Purpose: Various utilities
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
65571936	9	// Licence: wxWindows licence
4bb6408c JS	10	/////////////////////////////////////////////////////////////////////////////
4bb6408c JS	11
518b5d2f VZ	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
4bb6408c	19
1248b41f MB	20	// For compilers that support precompilation, includes "wx.h".
	21	#include "wx/wxprec.h"
	22
2b5f62a0	23	#include "wx/utils.h"
670f9935 WS	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/app.h"
f38924e8	27	#include "wx/dcmemory.h"
0bca0373	28	#include "wx/bitmap.h"
670f9935 WS	29	#endif
670f9935 WS	30
d48568a5	31	#include "wx/apptrait.h"
eb6fa4b4	32	#include "wx/evtloop.h"
c2ca375c	33	#include "wx/motif/private/timer.h"
2b5f62a0	34
2b5f62a0	35	#include <string.h>
2b5f62a0 VZ	36
	37	#if (defined(__SUNCC__) \|\| defined(__CLCC__))
	38	#include <sysent.h>
	39	#endif
	40
	41	#ifdef __VMS__
	42	#pragma message disable nosimpint
	43	#endif
	44
	45	#include "wx/unix/execute.h"
	46
2b5f62a0	47	#include <Xm/Xm.h>
6769d0cb MB	48	#include <Xm/Frame.h>
6769d0cb MB	49
2b5f62a0	50	#include "wx/motif/private.h"
2b5f62a0	51
2b5f62a0 VZ	52	#include "X11/Xutil.h"
	53
	54	#ifdef __VMS__
	55	#pragma message enable nosimpint
	56	#endif
	57
2b5f62a0 VZ	58
	59	// ============================================================================
	60	// implementation
	61	// ============================================================================
	62
	63	// ----------------------------------------------------------------------------
	64	// async event processing
	65	// ----------------------------------------------------------------------------
	66
	67	// Consume all events until no more left
eb6fa4b4	68	void wxFlushEvents(WXDisplay* wxdisplay)
2b5f62a0	69	{
eb6fa4b4 MB	70	Display display = (Display)wxdisplay;
eb6fa4b4 MB	71	wxEventLoop evtLoop;
2b5f62a0	72
96be256b	73	XSync (display, False);
2b5f62a0	74
eb6fa4b4	75	while (evtLoop.Pending())
2b5f62a0	76	{
eb6fa4b4 MB	77	XFlush (display);
eb6fa4b4 MB	78	evtLoop.Dispatch();
2b5f62a0	79	}
2b5f62a0 VZ	80	}
2b5f62a0 VZ	81
2b5f62a0 VZ	82	// ----------------------------------------------------------------------------
	83	// wxExecute stuff
	84	// ----------------------------------------------------------------------------
b229c8a9	85
2b5f62a0 VZ	86	static void xt_notify_end_process(XtPointer data, int *WXUNUSED(fid),
	87	XtInputId *id)
	88	{
	89	wxEndProcessData proc_data = (wxEndProcessData )data;
	90
	91	wxHandleProcessTermination(proc_data);
	92
	93	// VZ: I think they should be the same...
	94	wxASSERT( (int)*id == proc_data->tag );
	95
	96	XtRemoveInput(*id);
	97	}
2b5f62a0	98
1d043598	99	int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
2b5f62a0	100	{
2b5f62a0 VZ	101	XtInputId id = XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(),
	102	fd,
	103	(XtPointer *) XtInputReadMask,
	104	(XtInputCallbackProc) xt_notify_end_process,
	105	(XtPointer) proc_data);
bcd055ae	106
2b5f62a0	107	return (int)id;
2b5f62a0 VZ	108	}
	109
	110	// ----------------------------------------------------------------------------
	111	// misc
	112	// ----------------------------------------------------------------------------
	113
	114	// Emit a beeeeeep
	115	void wxBell()
	116	{
	117	// Use current setting for the bell
eb6fa4b4	118	XBell (wxGlobalDisplay(), 0);
2b5f62a0 VZ	119	}
2b5f62a0 VZ	120
8bb6b2c0	121	wxPortId wxGUIAppTraits::GetToolkitVersion(int verMaj, int verMin) const
2b5f62a0	122	{
8bb6b2c0 VZ	123	// XmVERSION and XmREVISION are defined in Xm/Xm.h
	124	if ( verMaj )
	125	*verMaj = XmVERSION;
	126	if ( verMin )
	127	*verMin = XmREVISION;
f9788a11	128
8bb6b2c0	129	return wxPORT_MOTIF;
2b5f62a0 VZ	130	}
2b5f62a0 VZ	131
2ddff00c	132	wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
b46b1d59 VZ	133	{
	134	return new wxEventLoop;
	135	}
	136
c2ca375c VZ	137	wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer* timer)
	138	{
	139	return new wxMotifTimerImpl(timer);
	140	}
	141
2b5f62a0 VZ	142	// ----------------------------------------------------------------------------
	143	// display info
	144	// ----------------------------------------------------------------------------
	145
	146	void wxGetMousePosition( int* x, int* y )
	147	{
	148	#if wxUSE_NANOX
	149	// TODO
	150	*x = 0;
	151	*y = 0;
	152	#else
	153	XMotionEvent xev;
	154	Window root, child;
eb6fa4b4 MB	155	XQueryPointer(wxGlobalDisplay(),
eb6fa4b4 MB	156	DefaultRootWindow(wxGlobalDisplay()),
2b5f62a0 VZ	157	&root, &child,
	158	&(xev.x_root), &(xev.y_root),
	159	&(xev.x), &(xev.y),
	160	&(xev.state));
	161	*x = xev.x_root;
	162	*y = xev.y_root;
	163	#endif
e933b5bc	164	}
2b5f62a0	165
ea76a6a5	166	// Return true if we have a colour display
2b5f62a0 VZ	167	bool wxColourDisplay()
	168	{
	169	return wxDisplayDepth() > 1;
	170	}
	171
	172	// Returns depth of screen
	173	int wxDisplayDepth()
	174	{
eb6fa4b4	175	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	176
	177	return DefaultDepth (dpy, DefaultScreen (dpy));
	178	}
	179
	180	// Get size of display
	181	void wxDisplaySize(int width, int height)
	182	{
eb6fa4b4	183	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	184
	185	if ( width )
	186	*width = DisplayWidth (dpy, DefaultScreen (dpy));
	187	if ( height )
	188	*height = DisplayHeight (dpy, DefaultScreen (dpy));
	189	}
	190
	191	void wxDisplaySizeMM(int width, int height)
	192	{
eb6fa4b4	193	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	194
	195	if ( width )
	196	*width = DisplayWidthMM(dpy, DefaultScreen (dpy));
	197	if ( height )
	198	*height = DisplayHeightMM(dpy, DefaultScreen (dpy));
	199	}
	200
2b5f62a0 VZ	201	// Configurable display in wxX11 and wxMotif
	202	static WXDisplay *gs_currentDisplay = NULL;
	203	static wxString gs_displayName;
	204
	205	WXDisplay *wxGetDisplay()
	206	{
	207	if (gs_currentDisplay)
	208	return gs_currentDisplay;
2b5f62a0 VZ	209	else if (wxTheApp)
	210	return wxTheApp->GetInitialDisplay();
	211	return NULL;
2b5f62a0 VZ	212	}
	213
	214	bool wxSetDisplay(const wxString& display_name)
	215	{
	216	gs_displayName = display_name;
	217
ea76a6a5	218	if ( display_name.empty() )
2b5f62a0 VZ	219	{
	220	gs_currentDisplay = NULL;
	221
ea76a6a5	222	return true;
2b5f62a0 VZ	223	}
	224	else
	225	{
2b5f62a0 VZ	226	Cardinal argc = 0;
	227
	228	Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(),
3e2d47e1 MB	229	display_name.c_str(),
	230	wxTheApp->GetAppName().c_str(),
	231	wxTheApp->GetClassName().c_str(),
2b5f62a0 VZ	232	NULL,
	233	#if XtSpecificationRelease < 5
	234	0, &argc,
	235	#else
	236	0, (int *)&argc,
	237	#endif
	238	NULL);
	239
	240	if (display)
	241	{
	242	gs_currentDisplay = (WXDisplay*) display;
ea76a6a5	243	return true;
2b5f62a0 VZ	244	}
2b5f62a0 VZ	245	else
96be256b	246	return false;
2b5f62a0 VZ	247	}
	248	}
	249
	250	wxString wxGetDisplayName()
	251	{
	252	return gs_displayName;
	253	}
	254
	255	wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
	256	{
	257	return wxGenericFindWindowAtPoint(pt);
	258	}
	259
2b5f62a0 VZ	260	// ----------------------------------------------------------------------------
	261	// Some colour manipulation routines
	262	// ----------------------------------------------------------------------------
	263
	264	void wxHSVToXColor(wxHSV hsv,XColor rgb)
	265	{
	266	int h = hsv->h;
	267	int s = hsv->s;
	268	int v = hsv->v;
	269	int r = 0, g = 0, b = 0;
	270	int i, f;
	271	int p, q, t;
	272	s = (s * wxMAX_RGB) / wxMAX_SV;
	273	v = (v * wxMAX_RGB) / wxMAX_SV;
	274	if (h == 360) h = 0;
	275	if (s == 0) { h = 0; r = g = b = v; }
	276	i = h / 60;
	277	f = h % 60;
	278	p = v * (wxMAX_RGB - s) / wxMAX_RGB;
	279	q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
	280	t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
	281	switch (i)
	282	{
	283	case 0: r = v, g = t, b = p; break;
	284	case 1: r = q, g = v, b = p; break;
	285	case 2: r = p, g = v, b = t; break;
	286	case 3: r = p, g = q, b = v; break;
	287	case 4: r = t, g = p, b = v; break;
	288	case 5: r = v, g = p, b = q; break;
	289	}
355b4d3d WS	290	rgb->red = (unsigned short)(r << 8);
	291	rgb->green = (unsigned short)(g << 8);
	292	rgb->blue = (unsigned short)(b << 8);
2b5f62a0 VZ	293	}
	294
	295	void wxXColorToHSV(wxHSV hsv,XColor rgb)
	296	{
	297	int r = rgb->red >> 8;
	298	int g = rgb->green >> 8;
	299	int b = rgb->blue >> 8;
	300	int maxv = wxMax3(r, g, b);
	301	int minv = wxMin3(r, g, b);
	302	int h = 0, s, v;
	303	v = maxv;
	304	if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
	305	else s = 0;
	306	if (s == 0) h = 0;
	307	else
	308	{
	309	int rc, gc, bc, hex = 0;
	310	rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
	311	gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
	312	bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
	313	if (r == maxv) { h = bc - gc, hex = 0; }
	314	else if (g == maxv) { h = rc - bc, hex = 2; }
	315	else if (b == maxv) { h = gc - rc, hex = 4; }
	316	h = hex * 60 + (h * 60 / wxMAX_RGB);
	317	if (h < 0) h += 360;
	318	}
	319	hsv->h = h;
	320	hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
	321	hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
	322	}
	323
	324	void wxAllocNearestColor(Display d,Colormap cmp,XColor xc)
	325	{
	326	#if !wxUSE_NANOX
	327	int llp;
	328
	329	int screen = DefaultScreen(d);
	330	int num_colors = DisplayCells(d,screen);
	331
	332	XColor *color_defs = new XColor[num_colors];
	333	for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
	334	XQueryColors(d,cmp,color_defs,num_colors);
	335
	336	wxHSV hsv_defs, hsv;
	337	wxXColorToHSV(&hsv,xc);
	338
	339	int diff, min_diff = 0, pixel = 0;
	340
	341	for(llp = 0;llp < num_colors;llp++)
	342	{
	343	wxXColorToHSV(&hsv_defs,&color_defs[llp]);
	344	diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
	345	wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
	346	wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
	347	if (llp == 0) min_diff = diff;
	348	if (min_diff > diff) { min_diff = diff; pixel = llp; }
	349	if (min_diff == 0) break;
	350	}
	351
	352	xc -> red = color_defs[pixel].red;
	353	xc -> green = color_defs[pixel].green;
	354	xc -> blue = color_defs[pixel].blue;
	355	xc -> flags = DoRed \| DoGreen \| DoBlue;
	356
357	/* FIXME, TODO
358	if (!XAllocColor(d,cmp,xc))
359	cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
360	*/
361
362	delete[] color_defs;
363	#endif
364	}
365
366	void wxAllocColor(Display d,Colormap cmp,XColor xc)
367	{
368	if (!XAllocColor(d,cmp,xc))
369	{
4c51a665	370	// cout << "wxAllocColor : Warning : cannot allocate color, attempt find nearest !\n";
2b5f62a0 VZ	371	wxAllocNearestColor(d,cmp,xc);
	372	}
	373	}
	374
2b5f62a0 VZ	375	wxString wxGetXEventName(XEvent& event)
	376	{
	377	#if wxUSE_NANOX
	378	wxString str(wxT("(some event)"));
	379	return str;
	380	#else
	381	int type = event.xany.type;
ea76a6a5	382	static char* event_name[] = {
f1db433a VZ	383	wxMOTIF_STR(""), wxMOTIF_STR("unknown(-)"), // 0-1
	384	wxMOTIF_STR("KeyPress"), wxMOTIF_STR("KeyRelease"), wxMOTIF_STR("ButtonPress"), wxMOTIF_STR("ButtonRelease"), // 2-5
	385	wxMOTIF_STR("MotionNotify"), wxMOTIF_STR("EnterNotify"), wxMOTIF_STR("LeaveNotify"), wxMOTIF_STR("FocusIn"), // 6-9
	386	wxMOTIF_STR("FocusOut"), wxMOTIF_STR("KeymapNotify"), wxMOTIF_STR("Expose"), wxMOTIF_STR("GraphicsExpose"), // 10-13
	387	wxMOTIF_STR("NoExpose"), wxMOTIF_STR("VisibilityNotify"), wxMOTIF_STR("CreateNotify"), // 14-16
	388	wxMOTIF_STR("DestroyNotify"), wxMOTIF_STR("UnmapNotify"), wxMOTIF_STR("MapNotify"), wxMOTIF_STR("MapRequest"),// 17-20
	389	wxMOTIF_STR("ReparentNotify"), wxMOTIF_STR("ConfigureNotify"), wxMOTIF_STR("ConfigureRequest"), // 21-23
	390	wxMOTIF_STR("GravityNotify"), wxMOTIF_STR("ResizeRequest"), wxMOTIF_STR("CirculateNotify"), // 24-26
	391	wxMOTIF_STR("CirculateRequest"), wxMOTIF_STR("PropertyNotify"), wxMOTIF_STR("SelectionClear"), // 27-29
	392	wxMOTIF_STR("SelectionRequest"), wxMOTIF_STR("SelectionNotify"), wxMOTIF_STR("ColormapNotify"), // 30-32
	393	wxMOTIF_STR("ClientMessage"), wxMOTIF_STR("MappingNotify"), // 33-34
	394	wxMOTIF_STR("unknown(+)")}; // 35
ea76a6a5 WS	395	type = wxMin(35, type); type = wxMax(1, type);
	396	wxString str(event_name[type]);
	397	return str;
2b5f62a0 VZ	398	#endif
2b5f62a0 VZ	399	}
2b5f62a0	400
2b5f62a0 VZ	401	// ----------------------------------------------------------------------------
	402	// accelerators
	403	// ----------------------------------------------------------------------------
	404
	405	// Find the letter corresponding to the mnemonic, for Motif
	406	char wxFindMnemonic (const char *s)
	407	{
	408	char mnem = 0;
	409	int len = strlen (s);
	410	int i;
eb6fa4b4	411
2b5f62a0 VZ	412	for (i = 0; i < len; i++)
	413	{
	414	if (s[i] == '&')
	415	{
	416	// Carefully handle &&
	417	if ((i + 1) <= len && s[i + 1] == '&')
	418	i++;
	419	else
	420	{
	421	mnem = s[i + 1];
	422	break;
	423	}
	424	}
	425	}
	426	return mnem;
	427	}
	428
eb6fa4b4	429	char* wxFindAccelerator( const char *s )
2b5f62a0	430	{
eb6fa4b4	431	#if 1
355b4d3d	432	wxUnusedVar(s);
2b5f62a0 VZ	433	// VZ: this function returns incorrect keysym which completely breaks kbd
	434	// handling
	435	return NULL;
eb6fa4b4 MB	436	#else
	437	// The accelerator text is after the \t char.
	438	s = strchr( s, '\t' );
	439
	440	if( !s ) return NULL;
2b5f62a0	441
2b5f62a0 VZ	442	/*
	443	Now we need to format it as X standard:
	444
	445	input output
	446
	447	F7 --> <Key>F7
	448	Ctrl+N --> Ctrl<Key>N
	449	Alt+k --> Meta<Key>k
	450	Ctrl+Shift+A --> Ctrl Shift<Key>A
	451
eb6fa4b4	452	and handle Ctrl-N & similia
2b5f62a0 VZ	453	*/
	454
	455	static char buf[256];
eb6fa4b4	456
2b5f62a0	457	buf[0] = '\0';
eb6fa4b4 MB	458	wxString tmp = s + 1; // skip TAB
eb6fa4b4 MB	459	size_t index = 0;
2b5f62a0	460
eb6fa4b4	461	while( index < tmp.length() )
2b5f62a0	462	{
eb6fa4b4 MB	463	size_t plus = tmp.find( '+', index );
	464	size_t minus = tmp.find( '-', index );
	465
	466	// neither '+' nor '-', add <Key>
	467	if( plus == wxString::npos && minus == wxString::npos )
2b5f62a0	468	{
eb6fa4b4 MB	469	strcat( buf, "<Key>" );
	470	strcat( buf, tmp.c_str() + index );
	471
	472	return buf;
2b5f62a0	473	}
eb6fa4b4 MB	474
	475	// OK: npos is big and positive
	476	size_t sep = wxMin( plus, minus );
	477	wxString mod = tmp.substr( index, sep - index );
	478
	479	// Ctrl -> Ctrl
	480	// Shift -> Shift
	481	// Alt -> Meta
	482	if( mod == "Alt" )
	483	mod = "Meta";
	484
	485	if( buf[0] )
	486	strcat( buf, " " );
	487
	488	strcat( buf, mod.c_str() );
	489
	490	index = sep + 1;
2b5f62a0	491	}
eb6fa4b4 MB	492
eb6fa4b4 MB	493	return NULL;
2b5f62a0 VZ	494	#endif
	495	}
	496
	497	XmString wxFindAcceleratorText (const char *s)
	498	{
eb6fa4b4	499	#if 1
355b4d3d	500	wxUnusedVar(s);
2b5f62a0 VZ	501	// VZ: this function returns incorrect keysym which completely breaks kbd
	502	// handling
	503	return NULL;
eb6fa4b4 MB	504	#else
	505	// The accelerator text is after the \t char.
	506	s = strchr( s, '\t' );
2b5f62a0	507
eb6fa4b4 MB	508	if( !s ) return NULL;
	509
	510	return wxStringToXmString( s + 1 ); // skip TAB!
2b5f62a0 VZ	511	#endif
	512	}
	513
2b5f62a0	514	// Change a widget's foreground and background colours.
2b5f62a0 VZ	515	void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2b5f62a0 VZ	516	{
a1b806b9	517	if (!foregroundColour.IsOk())
105fbe1f MB	518	return;
105fbe1f MB	519
2b5f62a0 VZ	520	// When should we specify the foreground, if it's calculated
	521	// by wxComputeColours?
	522	// Solution: say we start with the default (computed) foreground colour.
	523	// If we call SetForegroundColour explicitly for a control or window,
	524	// then the foreground is changed.
	525	// Therefore SetBackgroundColour computes the foreground colour, and
	526	// SetForegroundColour changes the foreground colour. The ordering is
	527	// important.
	528
	529	XtVaSetValues ((Widget) widget,
	530	XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
	531	NULL);
	532	}
	533
f516d986	534	void wxDoChangeBackgroundColour(WXWidget widget, const wxColour& backgroundColour, bool changeArmColour)
2b5f62a0	535	{
a1b806b9	536	if (!backgroundColour.IsOk())
105fbe1f MB	537	return;
105fbe1f MB	538
2b5f62a0	539	wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
d3b9f782	540	NULL);
2b5f62a0 VZ	541
	542	XtVaSetValues ((Widget) widget,
	543	XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
	544	XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
	545	XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
	546	XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
	547	NULL);
	548
	549	if (changeArmColour)
	550	XtVaSetValues ((Widget) widget,
	551	XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
	552	NULL);
	553	}
	554
fbfb8bcc	555	extern void wxDoChangeFont(WXWidget widget, const wxFont& font)
e1aae528	556	{
101b4778 MB	557	// Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does
101b4778 MB	558	#if !wxCHECK_LESSTIF() // \|\| wxCHECK_LESSTIF_VERSION( 0, 93 )
e1aae528	559	Widget w = (Widget)widget;
e1aae528	560	XtVaSetValues( w,
73608949	561	wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ),
e1aae528	562	NULL );
355b4d3d WS	563	#else
	564	wxUnusedVar(widget);
	565	wxUnusedVar(font);
e1aae528 MB	566	#endif
	567
	568	}
	569
e1aae528 MB	570	wxString wxXmStringToString( const XmString& xmString )
	571	{
	572	char *txt;
	573	if( XmStringGetLtoR( xmString, XmSTRING_DEFAULT_CHARSET, &txt ) )
	574	{
	575	wxString str(txt);
	576	XtFree (txt);
	577	return str;
	578	}
	579
	580	return wxEmptyString;
	581	}
	582
3e2d47e1 MB	583	XmString wxStringToXmString( const char* str )
	584	{
	585	return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
	586	}
aae0472b MB	587
	588	// ----------------------------------------------------------------------------
	589	// wxBitmap utility functions
	590	// ----------------------------------------------------------------------------
	591
	592	// Creates a bitmap with transparent areas drawn in
	593	// the given colour.
fbfb8bcc	594	wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour)
aae0472b MB	595	{
	596	wxBitmap newBitmap(bitmap.GetWidth(),
	597	bitmap.GetHeight(),
	598	bitmap.GetDepth());
	599	wxMemoryDC destDC;
	600	wxMemoryDC srcDC;
	601
f536319d	602	srcDC.SelectObjectAsSource(bitmap);
aae0472b MB	603	destDC.SelectObject(newBitmap);
	604
	605	wxBrush brush(colour, wxSOLID);
aae0472b MB	606	destDC.SetBackground(brush);
	607	destDC.Clear();
	608	destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
ea76a6a5	609	&srcDC, 0, 0, wxCOPY, true);
aae0472b MB	610
	611	return newBitmap;
	612	}
6769d0cb MB	613
	614	// ----------------------------------------------------------------------------
	615	// Miscellaneous functions
	616	// ----------------------------------------------------------------------------
	617
	618	WXWidget wxCreateBorderWidget( WXWidget parent, long style )
	619	{
	620	Widget borderWidget = (Widget)NULL, parentWidget = (Widget)parent;
	621
	622	if (style & wxSIMPLE_BORDER)
	623	{
	624	borderWidget = XtVaCreateManagedWidget
	625	(
	626	"simpleBorder",
	627	xmFrameWidgetClass, parentWidget,
	628	XmNshadowType, XmSHADOW_ETCHED_IN,
	629	XmNshadowThickness, 1,
	630	NULL
	631	);
	632	}
cce69fec	633	else if ((style & wxSUNKEN_BORDER) \|\| (style & wxBORDER_THEME))
6769d0cb MB	634	{
	635	borderWidget = XtVaCreateManagedWidget
	636	(
	637	"sunkenBorder",
	638	xmFrameWidgetClass, parentWidget,
	639	XmNshadowType, XmSHADOW_IN,
	640	NULL
	641	);
	642	}
	643	else if (style & wxRAISED_BORDER)
	644	{
	645	borderWidget = XtVaCreateManagedWidget
	646	(
	647	"raisedBorder",
	648	xmFrameWidgetClass, parentWidget,
	649	XmNshadowType, XmSHADOW_OUT,
	650	NULL
	651	);
	652	}
	653
	654	return borderWidget;
	655	}