[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 wxAddProcessCallback(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
#ifndef __EMX__
// on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp)
void wxBell()
{
    // Use current setting for the bell
    XBell (wxGlobalDisplay(), 0);
}
#endif

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 : Can not allocate color, attempt find nearest !\n";
        wxAllocNearestColor(d,cmp,xc);
    }
}

#ifdef __WXDEBUG__
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
}
#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.Ok())
        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.Ok())
        return;

    wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
        (wxColour*) 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 VZ	98
	99	int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
	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
189d1ae7 SN	115	#ifndef __EMX__
189d1ae7 SN	116	// on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp)
2b5f62a0 VZ	117	void wxBell()
	118	{
	119	// Use current setting for the bell
eb6fa4b4	120	XBell (wxGlobalDisplay(), 0);
2b5f62a0	121	}
189d1ae7	122	#endif
2b5f62a0	123
8bb6b2c0	124	wxPortId wxGUIAppTraits::GetToolkitVersion(int verMaj, int verMin) const
2b5f62a0	125	{
8bb6b2c0 VZ	126	// XmVERSION and XmREVISION are defined in Xm/Xm.h
	127	if ( verMaj )
	128	*verMaj = XmVERSION;
	129	if ( verMin )
	130	*verMin = XmREVISION;
f9788a11	131
8bb6b2c0	132	return wxPORT_MOTIF;
2b5f62a0 VZ	133	}
2b5f62a0 VZ	134
2ddff00c	135	wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
b46b1d59 VZ	136	{
	137	return new wxEventLoop;
	138	}
	139
c2ca375c VZ	140	wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer* timer)
	141	{
	142	return new wxMotifTimerImpl(timer);
	143	}
	144
2b5f62a0 VZ	145	// ----------------------------------------------------------------------------
	146	// display info
	147	// ----------------------------------------------------------------------------
	148
	149	void wxGetMousePosition( int* x, int* y )
	150	{
	151	#if wxUSE_NANOX
	152	// TODO
	153	*x = 0;
	154	*y = 0;
	155	#else
	156	XMotionEvent xev;
	157	Window root, child;
eb6fa4b4 MB	158	XQueryPointer(wxGlobalDisplay(),
eb6fa4b4 MB	159	DefaultRootWindow(wxGlobalDisplay()),
2b5f62a0 VZ	160	&root, &child,
	161	&(xev.x_root), &(xev.y_root),
	162	&(xev.x), &(xev.y),
	163	&(xev.state));
	164	*x = xev.x_root;
	165	*y = xev.y_root;
	166	#endif
e933b5bc	167	}
2b5f62a0	168
ea76a6a5	169	// Return true if we have a colour display
2b5f62a0 VZ	170	bool wxColourDisplay()
	171	{
	172	return wxDisplayDepth() > 1;
	173	}
	174
	175	// Returns depth of screen
	176	int wxDisplayDepth()
	177	{
eb6fa4b4	178	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	179
	180	return DefaultDepth (dpy, DefaultScreen (dpy));
	181	}
	182
	183	// Get size of display
	184	void wxDisplaySize(int width, int height)
	185	{
eb6fa4b4	186	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	187
	188	if ( width )
	189	*width = DisplayWidth (dpy, DefaultScreen (dpy));
	190	if ( height )
	191	*height = DisplayHeight (dpy, DefaultScreen (dpy));
	192	}
	193
	194	void wxDisplaySizeMM(int width, int height)
	195	{
eb6fa4b4	196	Display *dpy = wxGlobalDisplay();
2b5f62a0 VZ	197
	198	if ( width )
	199	*width = DisplayWidthMM(dpy, DefaultScreen (dpy));
	200	if ( height )
	201	*height = DisplayHeightMM(dpy, DefaultScreen (dpy));
	202	}
	203
2b5f62a0 VZ	204	// Configurable display in wxX11 and wxMotif
	205	static WXDisplay *gs_currentDisplay = NULL;
	206	static wxString gs_displayName;
	207
	208	WXDisplay *wxGetDisplay()
	209	{
	210	if (gs_currentDisplay)
	211	return gs_currentDisplay;
2b5f62a0 VZ	212	else if (wxTheApp)
	213	return wxTheApp->GetInitialDisplay();
	214	return NULL;
2b5f62a0 VZ	215	}
	216
	217	bool wxSetDisplay(const wxString& display_name)
	218	{
	219	gs_displayName = display_name;
	220
ea76a6a5	221	if ( display_name.empty() )
2b5f62a0 VZ	222	{
	223	gs_currentDisplay = NULL;
	224
ea76a6a5	225	return true;
2b5f62a0 VZ	226	}
	227	else
	228	{
2b5f62a0 VZ	229	Cardinal argc = 0;
	230
	231	Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(),
3e2d47e1 MB	232	display_name.c_str(),
	233	wxTheApp->GetAppName().c_str(),
	234	wxTheApp->GetClassName().c_str(),
2b5f62a0 VZ	235	NULL,
	236	#if XtSpecificationRelease < 5
	237	0, &argc,
	238	#else
	239	0, (int *)&argc,
	240	#endif
	241	NULL);
	242
	243	if (display)
	244	{
	245	gs_currentDisplay = (WXDisplay*) display;
ea76a6a5	246	return true;
2b5f62a0 VZ	247	}
2b5f62a0 VZ	248	else
96be256b	249	return false;
2b5f62a0 VZ	250	}
	251	}
	252
	253	wxString wxGetDisplayName()
	254	{
	255	return gs_displayName;
	256	}
	257
	258	wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
	259	{
	260	return wxGenericFindWindowAtPoint(pt);
	261	}
	262
2b5f62a0 VZ	263	// ----------------------------------------------------------------------------
	264	// Some colour manipulation routines
	265	// ----------------------------------------------------------------------------
	266
	267	void wxHSVToXColor(wxHSV hsv,XColor rgb)
	268	{
	269	int h = hsv->h;
	270	int s = hsv->s;
	271	int v = hsv->v;
	272	int r = 0, g = 0, b = 0;
	273	int i, f;
	274	int p, q, t;
	275	s = (s * wxMAX_RGB) / wxMAX_SV;
	276	v = (v * wxMAX_RGB) / wxMAX_SV;
	277	if (h == 360) h = 0;
	278	if (s == 0) { h = 0; r = g = b = v; }
	279	i = h / 60;
	280	f = h % 60;
	281	p = v * (wxMAX_RGB - s) / wxMAX_RGB;
	282	q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
	283	t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
	284	switch (i)
	285	{
	286	case 0: r = v, g = t, b = p; break;
	287	case 1: r = q, g = v, b = p; break;
	288	case 2: r = p, g = v, b = t; break;
	289	case 3: r = p, g = q, b = v; break;
	290	case 4: r = t, g = p, b = v; break;
	291	case 5: r = v, g = p, b = q; break;
	292	}
355b4d3d WS	293	rgb->red = (unsigned short)(r << 8);
	294	rgb->green = (unsigned short)(g << 8);
	295	rgb->blue = (unsigned short)(b << 8);
2b5f62a0 VZ	296	}
	297
	298	void wxXColorToHSV(wxHSV hsv,XColor rgb)
	299	{
	300	int r = rgb->red >> 8;
	301	int g = rgb->green >> 8;
	302	int b = rgb->blue >> 8;
	303	int maxv = wxMax3(r, g, b);
	304	int minv = wxMin3(r, g, b);
	305	int h = 0, s, v;
	306	v = maxv;
	307	if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
	308	else s = 0;
	309	if (s == 0) h = 0;
	310	else
	311	{
	312	int rc, gc, bc, hex = 0;
	313	rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
	314	gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
	315	bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
	316	if (r == maxv) { h = bc - gc, hex = 0; }
	317	else if (g == maxv) { h = rc - bc, hex = 2; }
	318	else if (b == maxv) { h = gc - rc, hex = 4; }
	319	h = hex * 60 + (h * 60 / wxMAX_RGB);
	320	if (h < 0) h += 360;
	321	}
	322	hsv->h = h;
	323	hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
	324	hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
	325	}
	326
	327	void wxAllocNearestColor(Display d,Colormap cmp,XColor xc)
	328	{
	329	#if !wxUSE_NANOX
	330	int llp;
	331
	332	int screen = DefaultScreen(d);
	333	int num_colors = DisplayCells(d,screen);
	334
	335	XColor *color_defs = new XColor[num_colors];
	336	for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
	337	XQueryColors(d,cmp,color_defs,num_colors);
	338
	339	wxHSV hsv_defs, hsv;
	340	wxXColorToHSV(&hsv,xc);
	341
	342	int diff, min_diff = 0, pixel = 0;
	343
	344	for(llp = 0;llp < num_colors;llp++)
	345	{
	346	wxXColorToHSV(&hsv_defs,&color_defs[llp]);
	347	diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
	348	wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
	349	wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
	350	if (llp == 0) min_diff = diff;
	351	if (min_diff > diff) { min_diff = diff; pixel = llp; }
	352	if (min_diff == 0) break;
	353	}
	354
	355	xc -> red = color_defs[pixel].red;
	356	xc -> green = color_defs[pixel].green;
	357	xc -> blue = color_defs[pixel].blue;
	358	xc -> flags = DoRed \| DoGreen \| DoBlue;
	359
360	/* FIXME, TODO
361	if (!XAllocColor(d,cmp,xc))
362	cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
363	*/
364
365	delete[] color_defs;
366	#endif
367	}
368
369	void wxAllocColor(Display d,Colormap cmp,XColor xc)
370	{
371	if (!XAllocColor(d,cmp,xc))
372	{
373	// cout << "wxAllocColor : Warning : Can not allocate color, attempt find nearest !\n";
374	wxAllocNearestColor(d,cmp,xc);
375	}
376	}
377
378	#ifdef __WXDEBUG__
379	wxString wxGetXEventName(XEvent& event)
380	{
381	#if wxUSE_NANOX
382	wxString str(wxT("(some event)"));
383	return str;
384	#else
385	int type = event.xany.type;
ea76a6a5	386	static char* event_name[] = {
f1db433a VZ	387	wxMOTIF_STR(""), wxMOTIF_STR("unknown(-)"), // 0-1
	388	wxMOTIF_STR("KeyPress"), wxMOTIF_STR("KeyRelease"), wxMOTIF_STR("ButtonPress"), wxMOTIF_STR("ButtonRelease"), // 2-5
	389	wxMOTIF_STR("MotionNotify"), wxMOTIF_STR("EnterNotify"), wxMOTIF_STR("LeaveNotify"), wxMOTIF_STR("FocusIn"), // 6-9
	390	wxMOTIF_STR("FocusOut"), wxMOTIF_STR("KeymapNotify"), wxMOTIF_STR("Expose"), wxMOTIF_STR("GraphicsExpose"), // 10-13
	391	wxMOTIF_STR("NoExpose"), wxMOTIF_STR("VisibilityNotify"), wxMOTIF_STR("CreateNotify"), // 14-16
	392	wxMOTIF_STR("DestroyNotify"), wxMOTIF_STR("UnmapNotify"), wxMOTIF_STR("MapNotify"), wxMOTIF_STR("MapRequest"),// 17-20
	393	wxMOTIF_STR("ReparentNotify"), wxMOTIF_STR("ConfigureNotify"), wxMOTIF_STR("ConfigureRequest"), // 21-23
	394	wxMOTIF_STR("GravityNotify"), wxMOTIF_STR("ResizeRequest"), wxMOTIF_STR("CirculateNotify"), // 24-26
	395	wxMOTIF_STR("CirculateRequest"), wxMOTIF_STR("PropertyNotify"), wxMOTIF_STR("SelectionClear"), // 27-29
	396	wxMOTIF_STR("SelectionRequest"), wxMOTIF_STR("SelectionNotify"), wxMOTIF_STR("ColormapNotify"), // 30-32
	397	wxMOTIF_STR("ClientMessage"), wxMOTIF_STR("MappingNotify"), // 33-34
	398	wxMOTIF_STR("unknown(+)")}; // 35
ea76a6a5 WS	399	type = wxMin(35, type); type = wxMax(1, type);
	400	wxString str(event_name[type]);
	401	return str;
2b5f62a0 VZ	402	#endif
	403	}
	404	#endif
	405
2b5f62a0 VZ	406	// ----------------------------------------------------------------------------
	407	// accelerators
	408	// ----------------------------------------------------------------------------
	409
	410	// Find the letter corresponding to the mnemonic, for Motif
	411	char wxFindMnemonic (const char *s)
	412	{
	413	char mnem = 0;
	414	int len = strlen (s);
	415	int i;
eb6fa4b4	416
2b5f62a0 VZ	417	for (i = 0; i < len; i++)
	418	{
	419	if (s[i] == '&')
	420	{
	421	// Carefully handle &&
	422	if ((i + 1) <= len && s[i + 1] == '&')
	423	i++;
	424	else
	425	{
	426	mnem = s[i + 1];
	427	break;
	428	}
	429	}
	430	}
	431	return mnem;
	432	}
	433
eb6fa4b4	434	char* wxFindAccelerator( const char *s )
2b5f62a0	435	{
eb6fa4b4	436	#if 1
355b4d3d	437	wxUnusedVar(s);
2b5f62a0 VZ	438	// VZ: this function returns incorrect keysym which completely breaks kbd
	439	// handling
	440	return NULL;
eb6fa4b4 MB	441	#else
	442	// The accelerator text is after the \t char.
	443	s = strchr( s, '\t' );
	444
	445	if( !s ) return NULL;
2b5f62a0	446
2b5f62a0 VZ	447	/*
	448	Now we need to format it as X standard:
	449
	450	input output
	451
	452	F7 --> <Key>F7
	453	Ctrl+N --> Ctrl<Key>N
	454	Alt+k --> Meta<Key>k
	455	Ctrl+Shift+A --> Ctrl Shift<Key>A
	456
eb6fa4b4	457	and handle Ctrl-N & similia
2b5f62a0 VZ	458	*/
	459
	460	static char buf[256];
eb6fa4b4	461
2b5f62a0	462	buf[0] = '\0';
eb6fa4b4 MB	463	wxString tmp = s + 1; // skip TAB
eb6fa4b4 MB	464	size_t index = 0;
2b5f62a0	465
eb6fa4b4	466	while( index < tmp.length() )
2b5f62a0	467	{
eb6fa4b4 MB	468	size_t plus = tmp.find( '+', index );
	469	size_t minus = tmp.find( '-', index );
	470
	471	// neither '+' nor '-', add <Key>
	472	if( plus == wxString::npos && minus == wxString::npos )
2b5f62a0	473	{
eb6fa4b4 MB	474	strcat( buf, "<Key>" );
	475	strcat( buf, tmp.c_str() + index );
	476
	477	return buf;
2b5f62a0	478	}
eb6fa4b4 MB	479
	480	// OK: npos is big and positive
	481	size_t sep = wxMin( plus, minus );
	482	wxString mod = tmp.substr( index, sep - index );
	483
	484	// Ctrl -> Ctrl
	485	// Shift -> Shift
	486	// Alt -> Meta
	487	if( mod == "Alt" )
	488	mod = "Meta";
	489
	490	if( buf[0] )
	491	strcat( buf, " " );
	492
	493	strcat( buf, mod.c_str() );
	494
	495	index = sep + 1;
2b5f62a0	496	}
eb6fa4b4 MB	497
eb6fa4b4 MB	498	return NULL;
2b5f62a0 VZ	499	#endif
	500	}
	501
	502	XmString wxFindAcceleratorText (const char *s)
	503	{
eb6fa4b4	504	#if 1
355b4d3d	505	wxUnusedVar(s);
2b5f62a0 VZ	506	// VZ: this function returns incorrect keysym which completely breaks kbd
	507	// handling
	508	return NULL;
eb6fa4b4 MB	509	#else
	510	// The accelerator text is after the \t char.
	511	s = strchr( s, '\t' );
2b5f62a0	512
eb6fa4b4 MB	513	if( !s ) return NULL;
	514
	515	return wxStringToXmString( s + 1 ); // skip TAB!
2b5f62a0 VZ	516	#endif
	517	}
	518
2b5f62a0	519	// Change a widget's foreground and background colours.
2b5f62a0 VZ	520	void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
2b5f62a0 VZ	521	{
105fbe1f MB	522	if (!foregroundColour.Ok())
	523	return;
	524
2b5f62a0 VZ	525	// When should we specify the foreground, if it's calculated
	526	// by wxComputeColours?
	527	// Solution: say we start with the default (computed) foreground colour.
	528	// If we call SetForegroundColour explicitly for a control or window,
	529	// then the foreground is changed.
	530	// Therefore SetBackgroundColour computes the foreground colour, and
	531	// SetForegroundColour changes the foreground colour. The ordering is
	532	// important.
	533
	534	XtVaSetValues ((Widget) widget,
	535	XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
	536	NULL);
	537	}
	538
f516d986	539	void wxDoChangeBackgroundColour(WXWidget widget, const wxColour& backgroundColour, bool changeArmColour)
2b5f62a0	540	{
105fbe1f MB	541	if (!backgroundColour.Ok())
	542	return;
	543
2b5f62a0 VZ	544	wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
	545	(wxColour*) NULL);
	546
	547	XtVaSetValues ((Widget) widget,
	548	XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
	549	XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
	550	XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
	551	XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
	552	NULL);
	553
	554	if (changeArmColour)
	555	XtVaSetValues ((Widget) widget,
	556	XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
	557	NULL);
	558	}
	559
fbfb8bcc	560	extern void wxDoChangeFont(WXWidget widget, const wxFont& font)
e1aae528	561	{
101b4778 MB	562	// Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does
101b4778 MB	563	#if !wxCHECK_LESSTIF() // \|\| wxCHECK_LESSTIF_VERSION( 0, 93 )
e1aae528	564	Widget w = (Widget)widget;
e1aae528	565	XtVaSetValues( w,
73608949	566	wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ),
e1aae528	567	NULL );
355b4d3d WS	568	#else
	569	wxUnusedVar(widget);
	570	wxUnusedVar(font);
e1aae528 MB	571	#endif
	572
	573	}
	574
e1aae528 MB	575	wxString wxXmStringToString( const XmString& xmString )
	576	{
	577	char *txt;
	578	if( XmStringGetLtoR( xmString, XmSTRING_DEFAULT_CHARSET, &txt ) )
	579	{
	580	wxString str(txt);
	581	XtFree (txt);
	582	return str;
	583	}
	584
	585	return wxEmptyString;
	586	}
	587
3e2d47e1 MB	588	XmString wxStringToXmString( const char* str )
	589	{
	590	return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
	591	}
aae0472b MB	592
	593	// ----------------------------------------------------------------------------
	594	// wxBitmap utility functions
	595	// ----------------------------------------------------------------------------
	596
	597	// Creates a bitmap with transparent areas drawn in
	598	// the given colour.
fbfb8bcc	599	wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour)
aae0472b MB	600	{
	601	wxBitmap newBitmap(bitmap.GetWidth(),
	602	bitmap.GetHeight(),
	603	bitmap.GetDepth());
	604	wxMemoryDC destDC;
	605	wxMemoryDC srcDC;
	606
f536319d	607	srcDC.SelectObjectAsSource(bitmap);
aae0472b MB	608	destDC.SelectObject(newBitmap);
	609
	610	wxBrush brush(colour, wxSOLID);
aae0472b MB	611	destDC.SetBackground(brush);
	612	destDC.Clear();
	613	destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
ea76a6a5	614	&srcDC, 0, 0, wxCOPY, true);
aae0472b MB	615
	616	return newBitmap;
	617	}
6769d0cb MB	618
	619	// ----------------------------------------------------------------------------
	620	// Miscellaneous functions
	621	// ----------------------------------------------------------------------------
	622
	623	WXWidget wxCreateBorderWidget( WXWidget parent, long style )
	624	{
	625	Widget borderWidget = (Widget)NULL, parentWidget = (Widget)parent;
	626
	627	if (style & wxSIMPLE_BORDER)
	628	{
	629	borderWidget = XtVaCreateManagedWidget
	630	(
	631	"simpleBorder",
	632	xmFrameWidgetClass, parentWidget,
	633	XmNshadowType, XmSHADOW_ETCHED_IN,
	634	XmNshadowThickness, 1,
	635	NULL
	636	);
	637	}
cce69fec	638	else if ((style & wxSUNKEN_BORDER) \|\| (style & wxBORDER_THEME))
6769d0cb MB	639	{
	640	borderWidget = XtVaCreateManagedWidget
	641	(
	642	"sunkenBorder",
	643	xmFrameWidgetClass, parentWidget,
	644	XmNshadowType, XmSHADOW_IN,
	645	NULL
	646	);
	647	}
	648	else if (style & wxRAISED_BORDER)
	649	{
	650	borderWidget = XtVaCreateManagedWidget
	651	(
	652	"raisedBorder",
	653	xmFrameWidgetClass, parentWidget,
	654	XmNshadowType, XmSHADOW_OUT,
	655	NULL
	656	);
	657	}
	658
	659	return borderWidget;
	660	}