| 1 | /* |
| 2 | * nanox.c |
| 3 | * |
| 4 | * Replacements for some comomon Xlib functions |
| 5 | * Licence: The wxWidgets licence |
| 6 | */ |
| 7 | |
| 8 | #include "wx/setup.h" |
| 9 | |
| 10 | #if wxUSE_NANOX |
| 11 | |
| 12 | #include <ctype.h> |
| 13 | #include <malloc.h> |
| 14 | #include <string.h> |
| 15 | #include <stdio.h> |
| 16 | #include "wx/defs.h" |
| 17 | #include "wx/x11/nanox/X11/Xlib.h" |
| 18 | |
| 19 | /* Expands to some compatibility functions (see XtoNX.h) */ |
| 20 | |
| 21 | STATIC_FUNCTIONS |
| 22 | |
| 23 | static GR_PALETTE* s_globalColormap = 0; |
| 24 | |
| 25 | Colormap DefaultColormapOfScreen(Screen* screen) |
| 26 | { |
| 27 | if (!s_globalColormap) |
| 28 | { |
| 29 | s_globalColormap = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)); |
| 30 | |
| 31 | GrGetSystemPalette(s_globalColormap); |
| 32 | } |
| 33 | |
| 34 | return s_globalColormap; |
| 35 | } |
| 36 | |
| 37 | int XSetGraphicsExposures( Display* display, GC gc, Bool graphics_exposures) |
| 38 | { |
| 39 | return Success ; |
| 40 | } |
| 41 | |
| 42 | int XWarpPointer( Display* display, Window srcW, Window destW, |
| 43 | int srcX, int srcY, |
| 44 | unsigned int srcWidth, |
| 45 | unsigned int srcHeight, |
| 46 | int destX, int destY) |
| 47 | { |
| 48 | GrMoveCursor(destX, destY); |
| 49 | return Success; |
| 50 | } |
| 51 | |
| 52 | int XSetInputFocus(Display* display, Window focus, int revert_to, Time time) |
| 53 | { |
| 54 | GrSetFocus(focus); |
| 55 | return Success; |
| 56 | } |
| 57 | |
| 58 | int XGetInputFocus(Display* display, Window* focus_return, int* revert_to_return) |
| 59 | { |
| 60 | * focus_return = GrGetFocus(); |
| 61 | * revert_to_return = 0; |
| 62 | return Success; |
| 63 | } |
| 64 | |
| 65 | int XGrabPointer(Display* display, Window grab_window, |
| 66 | Bool owner_events, unsigned int event_mask, |
| 67 | int pointer_mode, int keyboard_mode, |
| 68 | Window confine_to, Cursor cursor, Time time) |
| 69 | { |
| 70 | /* According to comments in srvevent.c in Nano-X, the pointer |
| 71 | * is implicitly grabbed when a mouse button is down. |
| 72 | * We may be able to simulate this further in the event loop. |
| 73 | */ |
| 74 | return Success; |
| 75 | } |
| 76 | |
| 77 | int XUngrabPointer(Display* display, Time time) |
| 78 | { |
| 79 | return Success; |
| 80 | } |
| 81 | |
| 82 | int XCopyArea(Display* display, Drawable src, Drawable dest, GC gc, |
| 83 | int src_x, int src_y, unsigned int width, unsigned int height, |
| 84 | int dest_x, int dest_y) |
| 85 | { |
| 86 | GrCopyArea(dest, gc, dest_x, dest_y, |
| 87 | width, height, src, |
| 88 | src_x, src_y, 0); |
| 89 | return Success; |
| 90 | } |
| 91 | |
| 92 | int XCopyPlane(Display* display, Drawable src, Drawable dest, GC gc, |
| 93 | int src_x, int src_y, unsigned int width, unsigned int height, |
| 94 | int dest_x, int dest_y, unsigned long plane) |
| 95 | { |
| 96 | GrCopyArea(dest, gc, dest_x, dest_y, |
| 97 | width, height, src, |
| 98 | src_x, src_y, 0); |
| 99 | return Success; |
| 100 | } |
| 101 | |
| 102 | #if 0 |
| 103 | typedef struct { |
| 104 | GR_WINDOW_ID wid; /* window id (or 0 if no such window) */ |
| 105 | GR_WINDOW_ID parent; /* parent window id */ |
| 106 | GR_WINDOW_ID child; /* first child window id (or 0) */ |
| 107 | GR_WINDOW_ID sibling; /* next sibling window id (or 0) */ |
| 108 | GR_BOOL inputonly; /* TRUE if window is input only */ |
| 109 | GR_BOOL mapped; /* TRUE if window is mapped */ |
| 110 | GR_COUNT unmapcount; /* reasons why window is unmapped */ |
| 111 | GR_COORD x; /* absolute x position of window */ |
| 112 | GR_COORD y; /* absolute y position of window */ |
| 113 | GR_SIZE width; /* width of window */ |
| 114 | GR_SIZE height; /* height of window */ |
| 115 | GR_SIZE bordersize; /* size of border */ |
| 116 | GR_COLOR bordercolor; /* color of border */ |
| 117 | GR_COLOR background; /* background color */ |
| 118 | GR_EVENT_MASK eventmask; /* current event mask for this client */ |
| 119 | GR_WM_PROPS props; /* window properties */ |
| 120 | GR_CURSOR_ID cursor; /* cursor id*/ |
| 121 | unsigned long processid; /* process id of owner*/ |
| 122 | } GR_WINDOW_INFO; |
| 123 | |
| 124 | typedef struct { |
| 125 | int x, y; /* location of window */ |
| 126 | int width, height; /* width and height of window */ |
| 127 | int border_width; /* border width of window */ |
| 128 | int depth; /* depth of window */ |
| 129 | Visual *visual; /* the associated visual structure */ |
| 130 | Window root; /* root of screen containing window */ |
| 131 | int class; /* InputOutput, InputOnly*/ |
| 132 | int bit_gravity; /* one of the bit gravity values */ |
| 133 | int win_gravity; /* one of the window gravity values */ |
| 134 | int backing_store; /* NotUseful, WhenMapped, Always */ |
| 135 | unsigned long backing_planes;/* planes to be preserved if possible */ |
| 136 | unsigned long backing_pixel;/* value to be used when restoring planes */ |
| 137 | Bool save_under; /* boolean, should bits under be saved? */ |
| 138 | Colormap colormap; /* color map to be associated with window */ |
| 139 | Bool map_installed; /* boolean, is color map currently installed*/ |
| 140 | int map_state; /* IsUnmapped, IsUnviewable, IsViewable */ |
| 141 | long all_event_masks; /* set of events all people have interest in*/ |
| 142 | long your_event_mask; /* my event mask */ |
| 143 | long do_not_propagate_mask;/* set of events that should not propagate */ |
| 144 | Bool override_redirect; /* boolean value for override-redirect */ |
| 145 | Screen *screen; /* back pointer to correct screen */ |
| 146 | } XWindowAttributes; |
| 147 | |
| 148 | #endif |
| 149 | |
| 150 | |
| 151 | Status XGetWindowAttributes(Display* display, Window w, |
| 152 | XWindowAttributes* window_attributes) |
| 153 | { |
| 154 | GR_WINDOW_INFO info; |
| 155 | Window parent = 0; |
| 156 | GrFlush(); |
| 157 | GrGetWindowInfo(w, & info); |
| 158 | |
| 159 | window_attributes->x = info.x; |
| 160 | window_attributes->y = info.y; |
| 161 | window_attributes->width = info.width; |
| 162 | window_attributes->height = info.height; |
| 163 | window_attributes->border_width = info.bordersize; |
| 164 | window_attributes->depth = 0; |
| 165 | window_attributes->visual = NULL; |
| 166 | window_attributes->root = 0; |
| 167 | window_attributes->_class = info.inputonly ? InputOnly : InputOutput ; |
| 168 | window_attributes->bit_gravity = 0; |
| 169 | window_attributes->win_gravity = 0; |
| 170 | window_attributes->backing_store = 0; |
| 171 | window_attributes->backing_planes = 0; |
| 172 | window_attributes->backing_pixel = 0; |
| 173 | window_attributes->save_under = FALSE; |
| 174 | window_attributes->colormap = DefaultColormapOfScreen(0); |
| 175 | window_attributes->map_installed = FALSE; |
| 176 | window_attributes->map_state = info.mapped ? IsViewable : IsUnmapped ; |
| 177 | window_attributes->all_event_masks = 0; |
| 178 | window_attributes->do_not_propagate_mask = 0; |
| 179 | window_attributes->override_redirect = FALSE; |
| 180 | window_attributes->screen = NULL; |
| 181 | |
| 182 | /* We need to check if any parents are unmapped, |
| 183 | * or we will report a window as mapped when it is not. |
| 184 | */ |
| 185 | parent = info.parent; |
| 186 | while (parent) |
| 187 | { |
| 188 | GrGetWindowInfo(parent, & info); |
| 189 | if (info.mapped == 0) |
| 190 | window_attributes->map_state = IsUnmapped; |
| 191 | |
| 192 | parent = info.parent; |
| 193 | } |
| 194 | |
| 195 | return 1; |
| 196 | } |
| 197 | |
| 198 | static XErrorHandler* g_ErrorHandler = NULL; |
| 199 | |
| 200 | void DefaultNanoXErrorHandler(GR_EVENT_ERROR* ep) |
| 201 | { |
| 202 | if (g_ErrorHandler) |
| 203 | { |
| 204 | XErrorEvent errEvent; |
| 205 | errEvent.type = ep->type; |
| 206 | errEvent.display = NULL; |
| 207 | errEvent.resourceid = ep->id; |
| 208 | errEvent.serial = 0; |
| 209 | errEvent.error_code = ep->code; |
| 210 | errEvent.request_code = 0; |
| 211 | errEvent.minor_code = 0; |
| 212 | (*g_ErrorHandler)(NULL, & errEvent); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | XErrorHandler XSetErrorHandler (XErrorHandler handler) |
| 217 | { |
| 218 | XErrorHandler oldHandler = g_ErrorHandler; |
| 219 | g_ErrorHandler = handler; |
| 220 | GrSetErrorHandler(DefaultNanoXErrorHandler); |
| 221 | return oldHandler; |
| 222 | } |
| 223 | |
| 224 | static Screen s_screen; |
| 225 | Screen *XScreenOfDisplay(Display* display, |
| 226 | int screen_number) |
| 227 | { |
| 228 | /* TODO: fill in the members. See Xlib.h */ |
| 229 | return & s_screen; |
| 230 | } |
| 231 | |
| 232 | int DisplayWidth(Display* display, int screen) |
| 233 | { |
| 234 | return _display.display_width; |
| 235 | } |
| 236 | |
| 237 | int DisplayHeight(Display* display, int screen) |
| 238 | { |
| 239 | return _display.display_height; |
| 240 | } |
| 241 | |
| 242 | int DefaultDepth(Display* display, int screen) |
| 243 | { |
| 244 | return _display.display_bpp; |
| 245 | } |
| 246 | |
| 247 | int XAllocColor(Display* display, Colormap cmap, |
| 248 | XColor* color) |
| 249 | { |
| 250 | GR_PIXELVAL pixel; |
| 251 | GrFindColor(GR_RGB(color->red, color->green, color->blue), & pixel); |
| 252 | color->pixel = pixel; |
| 253 | return 1; |
| 254 | } |
| 255 | |
| 256 | typedef struct { |
| 257 | const char* name; |
| 258 | unsigned int red; |
| 259 | unsigned int green; |
| 260 | unsigned int blue; |
| 261 | } _wxColourEntry; |
| 262 | |
| 263 | static _wxColourEntry _wxColourDatabase[] = |
| 264 | { |
| 265 | { "WHITE", 255, 255, 255 }, |
| 266 | { "BLACK", 0, 0, 0 }, |
| 267 | { "RED", 255, 0, 0 }, |
| 268 | { "GREEN", 0, 255, 0 }, |
| 269 | { "BLUE", 0, 255, 255 }, |
| 270 | { "GREY", 128, 128, 128 }, |
| 271 | { "GRAY", 128, 128, 128 }, |
| 272 | { "LIGHT GREY", 192, 192, 192 }, |
| 273 | { "LIGHT GRAY", 192, 192, 192 }, |
| 274 | { "DARK GREY", 32, 32, 32 }, |
| 275 | { "DARK GRAY", 32, 32, 32 }, |
| 276 | { "CYAN", 0, 255, 255 }, |
| 277 | { "MAGENTA", 255, 255, 0 }, |
| 278 | |
| 279 | /* TODO: the rest */ |
| 280 | { NULL, 0, 0, 0 } |
| 281 | }; |
| 282 | |
| 283 | int XParseColor(Display* display, Colormap cmap, |
| 284 | const char* cname, XColor* color) |
| 285 | { |
| 286 | int i = 0; |
| 287 | for (;;) |
| 288 | { |
| 289 | if (!_wxColourDatabase[i].name) |
| 290 | break; |
| 291 | else |
| 292 | { |
| 293 | if (strcmp(cname, _wxColourDatabase[i].name) == 0) |
| 294 | { |
| 295 | color->red = _wxColourDatabase[i].red; |
| 296 | color->green = _wxColourDatabase[i].green; |
| 297 | color->blue = _wxColourDatabase[i].blue; |
| 298 | |
| 299 | return 1; |
| 300 | } |
| 301 | i ++; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | /* Not found: use black */ |
| 306 | color->red = 0; |
| 307 | color->green = 0; |
| 308 | color->blue = 0; |
| 309 | |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | int XDrawLine(Display* display, Window win, GC gc, |
| 314 | int x1, int y1, int x2, int y2) |
| 315 | { |
| 316 | GR_POINT points[2]; |
| 317 | points[0].x = x1; |
| 318 | points[0].y = y1; |
| 319 | points[1].x = x2; |
| 320 | points[1].y = y2; |
| 321 | |
| 322 | GrDrawLines(win, gc, points, 2); |
| 323 | return 1; |
| 324 | } |
| 325 | |
| 326 | int XTextExtents( XFontStruct* font, char* s, int len, int* direction, |
| 327 | int* ascent, int* descent2, XCharStruct* overall) |
| 328 | { |
| 329 | GR_SIZE retwidth, retheight, retbase; |
| 330 | GR_GC_ID gc = GrNewGC(); |
| 331 | |
| 332 | *ascent = font->info.baseline; |
| 333 | *direction = 1; /* ? */ |
| 334 | *descent2 = 0; /* ? */ |
| 335 | |
| 336 | GrSetGCFont(gc, font->fid); |
| 337 | |
| 338 | /* TODO need to set the relevant flags for the character set. |
| 339 | * A good trick might be to pass a wxString instead of char* |
| 340 | * to this function. |
| 341 | */ |
| 342 | |
| 343 | GrGetGCTextSize(gc, s, len, GR_TFASCII, & retwidth, |
| 344 | & retheight, & retbase); |
| 345 | if (overall) |
| 346 | { |
| 347 | overall->width = retwidth; |
| 348 | overall->lbearing = 0; |
| 349 | overall->rbearing = 0; |
| 350 | overall->ascent = *ascent; |
| 351 | overall->descent = 0; |
| 352 | overall->attributes = 0; |
| 353 | } |
| 354 | |
| 355 | GrDestroyGC(gc); |
| 356 | |
| 357 | return 1; |
| 358 | } |
| 359 | |
| 360 | XFontStruct* XLoadQueryFont(Display* display, const char* fontSpec) |
| 361 | { |
| 362 | /* TODO: map fontSpec to something sensible for Nano-X */ |
| 363 | char *fontName = NULL; |
| 364 | XFontStruct* fontInfo = malloc(sizeof(XFontStruct)); |
| 365 | fontInfo->fid = GrCreateFont(fontName, 0, 0); |
| 366 | GrGetFontInfo(fontInfo->fid, & fontInfo->info); |
| 367 | printf("Warning: should not call XLoadQueryFont since font spec is not used in Nano-X.\n"); |
| 368 | return fontInfo; |
| 369 | } |
| 370 | |
| 371 | int XFreeFont(Display* display, XFontStruct* fontStruct) |
| 372 | { |
| 373 | GrDestroyFont(fontStruct->fid); |
| 374 | free(fontStruct); |
| 375 | return 1; |
| 376 | } |
| 377 | |
| 378 | int XQueryColor(Display* display, Colormap cmap, XColor* color) |
| 379 | { |
| 380 | /* cmap is a GR_PALETTE */ |
| 381 | if (color->pixel < cmap->count) |
| 382 | { |
| 383 | color->red = cmap->palette[color->pixel].r; |
| 384 | color->green = cmap->palette[color->pixel].g; |
| 385 | color->blue = cmap->palette[color->pixel].b; |
| 386 | return 1; |
| 387 | } |
| 388 | else |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | int XConfigureWindow(Display* display, Window w, int mask, XWindowChanges* changes) |
| 393 | { |
| 394 | if ((mask & CWX) && (mask & CWY)) |
| 395 | GrMoveWindow(w, changes->x, changes->y); |
| 396 | if ((mask & CWWidth) && (mask & CWHeight)) |
| 397 | GrResizeWindow(w, changes->width, changes->height); |
| 398 | if (mask & CWBorderWidth) |
| 399 | { |
| 400 | /* TODO */ |
| 401 | } |
| 402 | if (mask & CWSibling) |
| 403 | { |
| 404 | /* TODO */ |
| 405 | } |
| 406 | if (mask & CWStackMode) |
| 407 | { |
| 408 | /* TODO */ |
| 409 | } |
| 410 | return 1; |
| 411 | } |
| 412 | |
| 413 | int XTranslateCoordinates(Display* display, Window srcWindow, Window destWindow, int srcX, int srcY, int* destX, int* destY, Window* childReturn) |
| 414 | { |
| 415 | int offx = 0; |
| 416 | int offy = 0; |
| 417 | |
| 418 | Window w = srcWindow; |
| 419 | while (w != GR_ROOT_WINDOW_ID) |
| 420 | { |
| 421 | GR_WINDOW_INFO info; |
| 422 | GrGetWindowInfo(w, & info); |
| 423 | w = info.parent; |
| 424 | |
| 425 | offx += info.x ; |
| 426 | offy += info.y ; |
| 427 | } |
| 428 | |
| 429 | w = destWindow; |
| 430 | |
| 431 | while (w != GR_ROOT_WINDOW_ID) |
| 432 | { |
| 433 | GR_WINDOW_INFO info; |
| 434 | GrGetWindowInfo(w, & info); |
| 435 | w = info.parent; |
| 436 | |
| 437 | offx -= info.x ; |
| 438 | offy -= info.y ; |
| 439 | } |
| 440 | |
| 441 | *destX = srcX + offx; |
| 442 | *destY = srcY + offy; |
| 443 | |
| 444 | if (childReturn) |
| 445 | *childReturn = 0; |
| 446 | |
| 447 | return 1; |
| 448 | } |
| 449 | |
| 450 | /* Should not really be necessary but in no-optimize mode |
| 451 | * gcc complains that wxNoop is not found if wxNoop is inline. |
| 452 | */ |
| 453 | |
| 454 | void wxNoop() |
| 455 | { |
| 456 | } |
| 457 | |
| 458 | #endif |
| 459 | /* wxUSE_NANOX */ |