| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/utils.cpp |
| 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 |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #include "wx/utils.h" |
| 24 | |
| 25 | #ifndef WX_PRECOMP |
| 26 | #include "wx/app.h" |
| 27 | #include "wx/dcmemory.h" |
| 28 | #include "wx/bitmap.h" |
| 29 | #endif |
| 30 | |
| 31 | #include "wx/apptrait.h" |
| 32 | #include "wx/evtloop.h" |
| 33 | #include "wx/motif/private/timer.h" |
| 34 | |
| 35 | #include <string.h> |
| 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 | |
| 47 | #include <Xm/Xm.h> |
| 48 | #include <Xm/Frame.h> |
| 49 | |
| 50 | #include "wx/motif/private.h" |
| 51 | |
| 52 | #include "X11/Xutil.h" |
| 53 | |
| 54 | #ifdef __VMS__ |
| 55 | #pragma message enable nosimpint |
| 56 | #endif |
| 57 | |
| 58 | |
| 59 | // ============================================================================ |
| 60 | // implementation |
| 61 | // ============================================================================ |
| 62 | |
| 63 | // ---------------------------------------------------------------------------- |
| 64 | // async event processing |
| 65 | // ---------------------------------------------------------------------------- |
| 66 | |
| 67 | // Consume all events until no more left |
| 68 | void wxFlushEvents(WXDisplay* wxdisplay) |
| 69 | { |
| 70 | Display *display = (Display*)wxdisplay; |
| 71 | wxEventLoop evtLoop; |
| 72 | |
| 73 | XSync (display, False); |
| 74 | |
| 75 | while (evtLoop.Pending()) |
| 76 | { |
| 77 | XFlush (display); |
| 78 | evtLoop.Dispatch(); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | // ---------------------------------------------------------------------------- |
| 83 | // wxExecute stuff |
| 84 | // ---------------------------------------------------------------------------- |
| 85 | |
| 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 | } |
| 98 | |
| 99 | int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd) |
| 100 | { |
| 101 | XtInputId id = XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(), |
| 102 | fd, |
| 103 | (XtPointer *) XtInputReadMask, |
| 104 | (XtInputCallbackProc) xt_notify_end_process, |
| 105 | (XtPointer) proc_data); |
| 106 | |
| 107 | return (int)id; |
| 108 | } |
| 109 | |
| 110 | // ---------------------------------------------------------------------------- |
| 111 | // misc |
| 112 | // ---------------------------------------------------------------------------- |
| 113 | |
| 114 | // Emit a beeeeeep |
| 115 | #ifndef __EMX__ |
| 116 | // on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp) |
| 117 | void wxBell() |
| 118 | { |
| 119 | // Use current setting for the bell |
| 120 | XBell (wxGlobalDisplay(), 0); |
| 121 | } |
| 122 | #endif |
| 123 | |
| 124 | wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const |
| 125 | { |
| 126 | // XmVERSION and XmREVISION are defined in Xm/Xm.h |
| 127 | if ( verMaj ) |
| 128 | *verMaj = XmVERSION; |
| 129 | if ( verMin ) |
| 130 | *verMin = XmREVISION; |
| 131 | |
| 132 | return wxPORT_MOTIF; |
| 133 | } |
| 134 | |
| 135 | wxEventLoopBase* wxGUIAppTraits::CreateEventLoop() |
| 136 | { |
| 137 | return new wxEventLoop; |
| 138 | } |
| 139 | |
| 140 | wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer* timer) |
| 141 | { |
| 142 | return new wxMotifTimerImpl(timer); |
| 143 | } |
| 144 | |
| 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; |
| 158 | XQueryPointer(wxGlobalDisplay(), |
| 159 | DefaultRootWindow(wxGlobalDisplay()), |
| 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 |
| 167 | } |
| 168 | |
| 169 | // Return true if we have a colour display |
| 170 | bool wxColourDisplay() |
| 171 | { |
| 172 | return wxDisplayDepth() > 1; |
| 173 | } |
| 174 | |
| 175 | // Returns depth of screen |
| 176 | int wxDisplayDepth() |
| 177 | { |
| 178 | Display *dpy = wxGlobalDisplay(); |
| 179 | |
| 180 | return DefaultDepth (dpy, DefaultScreen (dpy)); |
| 181 | } |
| 182 | |
| 183 | // Get size of display |
| 184 | void wxDisplaySize(int *width, int *height) |
| 185 | { |
| 186 | Display *dpy = wxGlobalDisplay(); |
| 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 | { |
| 196 | Display *dpy = wxGlobalDisplay(); |
| 197 | |
| 198 | if ( width ) |
| 199 | *width = DisplayWidthMM(dpy, DefaultScreen (dpy)); |
| 200 | if ( height ) |
| 201 | *height = DisplayHeightMM(dpy, DefaultScreen (dpy)); |
| 202 | } |
| 203 | |
| 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; |
| 212 | else if (wxTheApp) |
| 213 | return wxTheApp->GetInitialDisplay(); |
| 214 | return NULL; |
| 215 | } |
| 216 | |
| 217 | bool wxSetDisplay(const wxString& display_name) |
| 218 | { |
| 219 | gs_displayName = display_name; |
| 220 | |
| 221 | if ( display_name.empty() ) |
| 222 | { |
| 223 | gs_currentDisplay = NULL; |
| 224 | |
| 225 | return true; |
| 226 | } |
| 227 | else |
| 228 | { |
| 229 | Cardinal argc = 0; |
| 230 | |
| 231 | Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(), |
| 232 | display_name.c_str(), |
| 233 | wxTheApp->GetAppName().c_str(), |
| 234 | wxTheApp->GetClassName().c_str(), |
| 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; |
| 246 | return true; |
| 247 | } |
| 248 | else |
| 249 | return false; |
| 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 | |
| 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 | } |
| 293 | rgb->red = (unsigned short)(r << 8); |
| 294 | rgb->green = (unsigned short)(g << 8); |
| 295 | rgb->blue = (unsigned short)(b << 8); |
| 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; |
| 386 | static char* event_name[] = { |
| 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 |
| 399 | type = wxMin(35, type); type = wxMax(1, type); |
| 400 | wxString str(event_name[type]); |
| 401 | return str; |
| 402 | #endif |
| 403 | } |
| 404 | #endif |
| 405 | |
| 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; |
| 416 | |
| 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 | |
| 434 | char* wxFindAccelerator( const char *s ) |
| 435 | { |
| 436 | #if 1 |
| 437 | wxUnusedVar(s); |
| 438 | // VZ: this function returns incorrect keysym which completely breaks kbd |
| 439 | // handling |
| 440 | return NULL; |
| 441 | #else |
| 442 | // The accelerator text is after the \t char. |
| 443 | s = strchr( s, '\t' ); |
| 444 | |
| 445 | if( !s ) return NULL; |
| 446 | |
| 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 | |
| 457 | and handle Ctrl-N & similia |
| 458 | */ |
| 459 | |
| 460 | static char buf[256]; |
| 461 | |
| 462 | buf[0] = '\0'; |
| 463 | wxString tmp = s + 1; // skip TAB |
| 464 | size_t index = 0; |
| 465 | |
| 466 | while( index < tmp.length() ) |
| 467 | { |
| 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 ) |
| 473 | { |
| 474 | strcat( buf, "<Key>" ); |
| 475 | strcat( buf, tmp.c_str() + index ); |
| 476 | |
| 477 | return buf; |
| 478 | } |
| 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; |
| 496 | } |
| 497 | |
| 498 | return NULL; |
| 499 | #endif |
| 500 | } |
| 501 | |
| 502 | XmString wxFindAcceleratorText (const char *s) |
| 503 | { |
| 504 | #if 1 |
| 505 | wxUnusedVar(s); |
| 506 | // VZ: this function returns incorrect keysym which completely breaks kbd |
| 507 | // handling |
| 508 | return NULL; |
| 509 | #else |
| 510 | // The accelerator text is after the \t char. |
| 511 | s = strchr( s, '\t' ); |
| 512 | |
| 513 | if( !s ) return NULL; |
| 514 | |
| 515 | return wxStringToXmString( s + 1 ); // skip TAB! |
| 516 | #endif |
| 517 | } |
| 518 | |
| 519 | // Change a widget's foreground and background colours. |
| 520 | void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour) |
| 521 | { |
| 522 | if (!foregroundColour.Ok()) |
| 523 | return; |
| 524 | |
| 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 | |
| 539 | void wxDoChangeBackgroundColour(WXWidget widget, const wxColour& backgroundColour, bool changeArmColour) |
| 540 | { |
| 541 | if (!backgroundColour.Ok()) |
| 542 | return; |
| 543 | |
| 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 | |
| 560 | extern void wxDoChangeFont(WXWidget widget, const wxFont& font) |
| 561 | { |
| 562 | // Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does |
| 563 | #if !wxCHECK_LESSTIF() // || wxCHECK_LESSTIF_VERSION( 0, 93 ) |
| 564 | Widget w = (Widget)widget; |
| 565 | XtVaSetValues( w, |
| 566 | wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ), |
| 567 | NULL ); |
| 568 | #else |
| 569 | wxUnusedVar(widget); |
| 570 | wxUnusedVar(font); |
| 571 | #endif |
| 572 | |
| 573 | } |
| 574 | |
| 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 | |
| 588 | XmString wxStringToXmString( const char* str ) |
| 589 | { |
| 590 | return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET); |
| 591 | } |
| 592 | |
| 593 | // ---------------------------------------------------------------------------- |
| 594 | // wxBitmap utility functions |
| 595 | // ---------------------------------------------------------------------------- |
| 596 | |
| 597 | // Creates a bitmap with transparent areas drawn in |
| 598 | // the given colour. |
| 599 | wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour) |
| 600 | { |
| 601 | wxBitmap newBitmap(bitmap.GetWidth(), |
| 602 | bitmap.GetHeight(), |
| 603 | bitmap.GetDepth()); |
| 604 | wxMemoryDC destDC; |
| 605 | wxMemoryDC srcDC; |
| 606 | |
| 607 | srcDC.SelectObjectAsSource(bitmap); |
| 608 | destDC.SelectObject(newBitmap); |
| 609 | |
| 610 | wxBrush brush(colour, wxSOLID); |
| 611 | destDC.SetBackground(brush); |
| 612 | destDC.Clear(); |
| 613 | destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), |
| 614 | &srcDC, 0, 0, wxCOPY, true); |
| 615 | |
| 616 | return newBitmap; |
| 617 | } |
| 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 | } |
| 638 | else if ((style & wxSUNKEN_BORDER) || (style & wxBORDER_THEME)) |
| 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 | } |