1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X Window System |
4 |
Copyright (C) Matthew Chapman 1999-2001 |
5 |
|
6 |
This program is free software; you can redistribute it and/or modify |
7 |
it under the terms of the GNU General Public License as published by |
8 |
the Free Software Foundation; either version 2 of the License, or |
9 |
(at your option) any later version. |
10 |
|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
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|
21 |
#include <X11/Xlib.h> |
22 |
#include <X11/Xutil.h> |
23 |
#include <X11/XKBlib.h> |
24 |
#include <time.h> |
25 |
#include <errno.h> |
26 |
#include "rdesktop.h" |
27 |
|
28 |
extern char keymapname[16]; |
29 |
extern int keylayout; |
30 |
extern int width; |
31 |
extern int height; |
32 |
extern BOOL sendmotion; |
33 |
extern BOOL fullscreen; |
34 |
|
35 |
Display *display; |
36 |
XkbDescPtr xkb; |
37 |
static int x_socket; |
38 |
static Window wnd; |
39 |
static GC gc; |
40 |
static Visual *visual; |
41 |
static int depth; |
42 |
static int bpp; |
43 |
|
44 |
/* endianness */ |
45 |
static BOOL host_be; |
46 |
static BOOL xserver_be; |
47 |
|
48 |
/* software backing store */ |
49 |
static BOOL ownbackstore; |
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static Pixmap backstore; |
51 |
|
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/* needed to keep track of the modifiers */ |
53 |
static unsigned int key_modifier_state = 0; |
54 |
static unsigned int key_down_state = 0; |
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|
56 |
#define DShift1Mask (1<<0) |
57 |
#define DShift2Mask (1<<1) |
58 |
#define DControl1Mask (1<<2) |
59 |
#define DControl2Mask (1<<3) |
60 |
#define DMod1Mask (1<<4) |
61 |
#define DMod2Mask (1<<5) |
62 |
|
63 |
#define FILL_RECTANGLE(x,y,cx,cy)\ |
64 |
{ \ |
65 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); \ |
66 |
if (ownbackstore) \ |
67 |
XFillRectangle(display, backstore, gc, x, y, cx, cy); \ |
68 |
} |
69 |
|
70 |
/* colour maps */ |
71 |
static BOOL owncolmap; |
72 |
static Colormap xcolmap; |
73 |
static uint32 white; |
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static uint32 *colmap; |
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|
76 |
#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) |
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#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
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#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
79 |
|
80 |
static int rop2_map[] = { |
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GXclear, /* 0 */ |
82 |
GXnor, /* DPon */ |
83 |
GXandInverted, /* DPna */ |
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GXcopyInverted, /* Pn */ |
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GXandReverse, /* PDna */ |
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GXinvert, /* Dn */ |
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GXxor, /* DPx */ |
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GXnand, /* DPan */ |
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GXand, /* DPa */ |
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GXequiv, /* DPxn */ |
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GXnoop, /* D */ |
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GXorInverted, /* DPno */ |
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GXcopy, /* P */ |
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GXorReverse, /* PDno */ |
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GXor, /* DPo */ |
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GXset /* 1 */ |
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}; |
98 |
|
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#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } |
100 |
#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } |
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|
102 |
void xwin_release_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode); |
103 |
void xwin_press_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode); |
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|
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static void |
106 |
translate8(uint8 *data, uint8 *out, uint8 *end) |
107 |
{ |
108 |
while (out < end) |
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*(out++) = (uint8)colmap[*(data++)]; |
110 |
} |
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|
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static void |
113 |
translate16(uint8 *data, uint16 *out, uint16 *end) |
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{ |
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while (out < end) |
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*(out++) = (uint16)colmap[*(data++)]; |
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} |
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|
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/* little endian - conversion happens when colourmap is built */ |
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static void |
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translate24(uint8 *data, uint8 *out, uint8 *end) |
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{ |
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uint32 value; |
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|
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while (out < end) |
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{ |
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value = colmap[*(data++)]; |
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*(out++) = value; |
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*(out++) = value >> 8; |
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*(out++) = value >> 16; |
131 |
} |
132 |
} |
133 |
|
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static void |
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translate32(uint8 *data, uint32 *out, uint32 *end) |
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{ |
137 |
while (out < end) |
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*(out++) = colmap[*(data++)]; |
139 |
} |
140 |
|
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static uint8 * |
142 |
translate_image(int width, int height, uint8 *data) |
143 |
{ |
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int size = width * height * bpp/8; |
145 |
uint8 *out = xmalloc(size); |
146 |
uint8 *end = out + size; |
147 |
|
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switch (bpp) |
149 |
{ |
150 |
case 8: |
151 |
translate8(data, out, end); |
152 |
break; |
153 |
|
154 |
case 16: |
155 |
translate16(data, (uint16 *)out, (uint16 *)end); |
156 |
break; |
157 |
|
158 |
case 24: |
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translate24(data, out, end); |
160 |
break; |
161 |
|
162 |
case 32: |
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translate32(data, (uint32 *)out, (uint32 *)end); |
164 |
break; |
165 |
} |
166 |
|
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return out; |
168 |
} |
169 |
|
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#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
171 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
172 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
173 |
x = (x << 16) | (x >> 16); } |
174 |
|
175 |
static uint32 |
176 |
translate_colour(uint32 colour) |
177 |
{ |
178 |
switch (bpp) |
179 |
{ |
180 |
case 16: |
181 |
if (host_be != xserver_be) |
182 |
BSWAP16(colour); |
183 |
break; |
184 |
|
185 |
case 24: |
186 |
if (xserver_be) |
187 |
BSWAP24(colour); |
188 |
break; |
189 |
|
190 |
case 32: |
191 |
if (host_be != xserver_be) |
192 |
BSWAP32(colour); |
193 |
break; |
194 |
} |
195 |
|
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return colour; |
197 |
} |
198 |
|
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BOOL |
200 |
ui_create_window(char *title) |
201 |
{ |
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XSetWindowAttributes attribs; |
203 |
XClassHint *classhints; |
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XSizeHints *sizehints; |
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unsigned long input_mask; |
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XPixmapFormatValues *pfm; |
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Screen *screen; |
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uint16 test; |
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int i; |
210 |
|
211 |
int xkb_minor, xkb_major; |
212 |
int xkb_event, xkb_error, xkb_reason; |
213 |
|
214 |
/* compare compiletime libs with runtime libs. */ |
215 |
xkb_major = XkbMajorVersion; |
216 |
xkb_minor = XkbMinorVersion; |
217 |
if( XkbLibraryVersion( &xkb_major, &xkb_minor ) == False ) |
218 |
{ |
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error("please re-compile rdesktop\ncompile time version of xkb is not compatible with\nyour runtime version of the library\n"); |
220 |
return False; |
221 |
} |
222 |
|
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|
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/* XKB is the 'new' keyboard handler in x.. ( the xkb code in Xfree86 originates from SGI, years 1993 and 1995 from what I could tell. ) |
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* it makes it possible for people with disabilities to use rdesktop, stickykeys, bouncekeys etc. VERY MUCH useful. |
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* XFree86 has had support for it since it's earliest incarnation. I believe it is a reasonable dependency. |
227 |
*/ |
228 |
display = XkbOpenDisplay( NULL, &xkb_event, &xkb_error, &xkb_major, &xkb_minor, &xkb_reason ); |
229 |
switch(xkb_reason) |
230 |
{ |
231 |
case XkbOD_BadLibraryVersion: |
232 |
error("XkbOD_BadLibraryVersion: XKB extensions in server and the library rdesktop is linked against aren't compatible with each other.\n"); |
233 |
break; |
234 |
case XkbOD_ConnectionRefused: |
235 |
error("XkbOD_ConnectionRefused\n"); |
236 |
break; |
237 |
case XkbOD_BadServerVersion: |
238 |
error("XkbOD_BadServerVersion\n"); |
239 |
break; |
240 |
case XkbOD_NonXkbServer: |
241 |
error("XkbOD_NonXkbServer: XKB extension not present in server\nupdate your X server.\n"); |
242 |
break; |
243 |
case XkbOD_Success: |
244 |
DEBUG("XkbOD_Success: Connection established with display\n"); |
245 |
break; |
246 |
} |
247 |
|
248 |
if (display == NULL) |
249 |
{ |
250 |
error("Failed to open display\n"); |
251 |
return False; |
252 |
} |
253 |
|
254 |
x_socket = ConnectionNumber(display); |
255 |
screen = DefaultScreenOfDisplay(display); |
256 |
visual = DefaultVisualOfScreen(screen); |
257 |
depth = DefaultDepthOfScreen(screen); |
258 |
|
259 |
pfm = XListPixmapFormats(display, &i); |
260 |
if (pfm != NULL) |
261 |
{ |
262 |
/* Use maximum bpp for this depth - this is generally |
263 |
desirable, e.g. 24 bits->32 bits. */ |
264 |
while (i--) |
265 |
{ |
266 |
if ((pfm[i].depth == depth) |
267 |
&& (pfm[i].bits_per_pixel > bpp)) |
268 |
{ |
269 |
bpp = pfm[i].bits_per_pixel; |
270 |
} |
271 |
} |
272 |
XFree(pfm); |
273 |
} |
274 |
|
275 |
if (bpp < 8) |
276 |
{ |
277 |
error("Less than 8 bpp not currently supported.\n"); |
278 |
XCloseDisplay(display); |
279 |
return False; |
280 |
} |
281 |
|
282 |
if (depth <= 8) |
283 |
owncolmap = True; |
284 |
else |
285 |
xcolmap = DefaultColormapOfScreen(screen); |
286 |
|
287 |
test = 1; |
288 |
host_be = !(BOOL)(*(uint8 *)(&test)); |
289 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
290 |
|
291 |
white = WhitePixelOfScreen(screen); |
292 |
attribs.background_pixel = BlackPixelOfScreen(screen); |
293 |
attribs.backing_store = DoesBackingStore(screen); |
294 |
|
295 |
if (attribs.backing_store == NotUseful) |
296 |
ownbackstore = True; |
297 |
|
298 |
if (fullscreen) |
299 |
{ |
300 |
attribs.override_redirect = True; |
301 |
width = WidthOfScreen(screen); |
302 |
height = HeightOfScreen(screen); |
303 |
} |
304 |
else |
305 |
{ |
306 |
attribs.override_redirect = False; |
307 |
} |
308 |
|
309 |
width = (width + 3) & ~3; /* make width a multiple of 32 bits */ |
310 |
|
311 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), |
312 |
0, 0, width, height, 0, CopyFromParent, |
313 |
InputOutput, CopyFromParent, |
314 |
CWBackingStore | CWBackPixel | CWOverrideRedirect, |
315 |
&attribs); |
316 |
|
317 |
XStoreName(display, wnd, title); |
318 |
|
319 |
classhints = XAllocClassHint(); |
320 |
if (classhints != NULL) |
321 |
{ |
322 |
classhints->res_name = classhints->res_class = "rdesktop"; |
323 |
XSetClassHint(display, wnd, classhints); |
324 |
XFree(classhints); |
325 |
} |
326 |
|
327 |
sizehints = XAllocSizeHints(); |
328 |
if (sizehints) |
329 |
{ |
330 |
sizehints->flags = PMinSize | PMaxSize; |
331 |
sizehints->min_width = sizehints->max_width = width; |
332 |
sizehints->min_height = sizehints->max_height = height; |
333 |
XSetWMNormalHints(display, wnd, sizehints); |
334 |
XFree(sizehints); |
335 |
} |
336 |
|
337 |
xkeymap_init(); |
338 |
|
339 |
input_mask = KeyPressMask | KeyReleaseMask | |
340 |
ButtonPressMask | ButtonReleaseMask | |
341 |
EnterWindowMask | LeaveWindowMask | KeymapStateMask; |
342 |
if (sendmotion) |
343 |
input_mask |= PointerMotionMask; |
344 |
|
345 |
if (ownbackstore) |
346 |
input_mask |= ExposureMask; |
347 |
|
348 |
XSelectInput(display, wnd, input_mask); |
349 |
gc = XCreateGC(display, wnd, 0, NULL); |
350 |
|
351 |
if (ownbackstore) |
352 |
backstore = XCreatePixmap(display, wnd, width, height, depth); |
353 |
|
354 |
XMapWindow(display, wnd); |
355 |
|
356 |
/* TODO: error texts... make them friendly. */ |
357 |
xkb = XkbGetKeyboard(display, XkbAllComponentsMask, XkbUseCoreKbd); |
358 |
if ((int)xkb == BadAlloc || xkb == NULL) |
359 |
{ |
360 |
error( "XkbGetKeyboard failed.\n"); |
361 |
exit(0); |
362 |
} |
363 |
|
364 |
/* TODO: error texts... make them friendly. */ |
365 |
if( XkbSelectEvents(display, xkb->device_spec, XkbAllEventsMask, XkbAllEventsMask) == False ) |
366 |
{ |
367 |
error( "XkbSelectEvents failed.\n"); |
368 |
exit(0); |
369 |
} |
370 |
|
371 |
return True; |
372 |
} |
373 |
|
374 |
void |
375 |
ui_destroy_window() |
376 |
{ |
377 |
if( xkb != NULL ) |
378 |
XkbFreeKeyboard(xkb, XkbAllControlsMask, True); |
379 |
|
380 |
if (ownbackstore) |
381 |
XFreePixmap(display, backstore); |
382 |
|
383 |
XFreeGC(display, gc); |
384 |
XDestroyWindow(display, wnd); |
385 |
XCloseDisplay(display); |
386 |
display = NULL; |
387 |
} |
388 |
|
389 |
static void |
390 |
xwin_process_events() |
391 |
{ |
392 |
XkbEvent xkbevent; |
393 |
|
394 |
KeySym keysym; |
395 |
uint8 scancode; |
396 |
uint16 button, flags; |
397 |
uint32 ev_time; |
398 |
uint32 tmpmods; |
399 |
|
400 |
if (display == NULL) |
401 |
return; |
402 |
|
403 |
while (XCheckMaskEvent(display, ~0, &xkbevent.core)) |
404 |
{ |
405 |
ev_time = time(NULL); |
406 |
flags = 0; |
407 |
|
408 |
switch (xkbevent.type) |
409 |
{ |
410 |
case KeymapNotify: |
411 |
/* TODO: |
412 |
* read modifier status at focus in, and update the local masks, and the other end as well.. |
413 |
* if not, we may get out of sync. |
414 |
* xkbevent.core.xkeymap.key_vector |
415 |
* char key_vector[32]; |
416 |
*/ |
417 |
break; |
418 |
|
419 |
case KeyRelease: |
420 |
flags = KBD_FLAG_DOWN | KBD_FLAG_UP; |
421 |
/* fall through */ |
422 |
|
423 |
case KeyPress: |
424 |
if( XkbTranslateKeyCode(xkb, xkbevent.core.xkey.keycode, xkbevent.core.xkey.state, &tmpmods, &keysym) == False ) |
425 |
break; |
426 |
scancode = xkeymap_translate_key(keysym, xkbevent.core.xkey.keycode, &flags); |
427 |
|
428 |
if (scancode == 0 ) |
429 |
break; |
430 |
|
431 |
/* keep track of the modifiers -- needed for stickykeys... */ |
432 |
if( xkbevent.type == KeyPress ) |
433 |
xwin_press_modifiers( &xkbevent.core.xkey, ev_time, scancode ); |
434 |
|
435 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
436 |
|
437 |
if( xkbevent.type == KeyRelease ) |
438 |
xwin_release_modifiers( &xkbevent.core.xkey, ev_time, scancode ); |
439 |
|
440 |
break; |
441 |
|
442 |
case ButtonPress: |
443 |
flags = MOUSE_FLAG_DOWN; |
444 |
/* fall through */ |
445 |
|
446 |
case ButtonRelease: |
447 |
button = xkeymap_translate_button(xkbevent.core.xbutton.button); |
448 |
if (button == 0) |
449 |
break; |
450 |
|
451 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
452 |
flags | button, |
453 |
xkbevent.core.xbutton.x, |
454 |
xkbevent.core.xbutton.y); |
455 |
break; |
456 |
|
457 |
case MotionNotify: |
458 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
459 |
MOUSE_FLAG_MOVE, |
460 |
xkbevent.core.xmotion.x, |
461 |
xkbevent.core.xmotion.y); |
462 |
break; |
463 |
|
464 |
case EnterNotify: |
465 |
XGrabKeyboard(display, wnd, True, GrabModeAsync, |
466 |
GrabModeAsync, CurrentTime); |
467 |
break; |
468 |
|
469 |
case LeaveNotify: |
470 |
XUngrabKeyboard(display, CurrentTime); |
471 |
break; |
472 |
|
473 |
case Expose: |
474 |
XCopyArea(display, backstore, wnd, gc, |
475 |
xkbevent.core.xexpose.x, xkbevent.core.xexpose.y, |
476 |
xkbevent.core.xexpose.width, xkbevent.core.xexpose.height, |
477 |
xkbevent.core.xexpose.x, xkbevent.core.xexpose.y); |
478 |
break; |
479 |
} |
480 |
} |
481 |
} |
482 |
|
483 |
void |
484 |
xwin_release_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode) |
485 |
{ |
486 |
switch (scancode) { |
487 |
case 0x2a: |
488 |
key_down_state &= ~DShift1Mask; |
489 |
break; |
490 |
case 0x36: |
491 |
key_down_state &= ~DShift2Mask; |
492 |
break; |
493 |
case 0x1d: |
494 |
key_down_state &= ~DControl1Mask; |
495 |
break; |
496 |
case 0x9d: |
497 |
key_down_state &= ~DControl2Mask; |
498 |
break; |
499 |
case 0x38: |
500 |
key_down_state &= ~DMod1Mask; |
501 |
break; |
502 |
case 0xb8: |
503 |
key_down_state &= ~DMod2Mask; |
504 |
break; |
505 |
} |
506 |
|
507 |
if( !(ShiftMask & ev->state) && (key_down_state & DShift1Mask)) |
508 |
{ |
509 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x2a, 0); |
510 |
key_down_state &= ~DShift1Mask; |
511 |
|
512 |
} |
513 |
|
514 |
if( !(ControlMask & ev->state) && (key_down_state & DControl1Mask)) |
515 |
{ |
516 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x1d, 0); |
517 |
key_down_state &= ~DControl1Mask; |
518 |
|
519 |
} |
520 |
|
521 |
if( !(Mod1Mask & ev->state) && (key_down_state & DMod1Mask)) |
522 |
{ |
523 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x38, 0); |
524 |
key_down_state &= ~DMod1Mask; |
525 |
|
526 |
} |
527 |
|
528 |
if( !(Mod2Mask & ev->state) && (key_down_state & DMod2Mask)) |
529 |
{ |
530 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0xb8, 0); |
531 |
key_down_state &= ~DMod2Mask; |
532 |
} |
533 |
} |
534 |
|
535 |
|
536 |
void |
537 |
xwin_press_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode) |
538 |
{ |
539 |
key_modifier_state = ev->state; |
540 |
|
541 |
switch (scancode) { |
542 |
case 0x2a: |
543 |
key_down_state |= DShift1Mask; |
544 |
break; |
545 |
case 0x36: |
546 |
key_down_state |= DShift2Mask; |
547 |
break; |
548 |
case 0x1d: |
549 |
key_down_state |= DControl1Mask; |
550 |
break; |
551 |
case 0x9d: |
552 |
key_down_state |= DControl2Mask; |
553 |
break; |
554 |
case 0x38: |
555 |
key_down_state |= DMod1Mask; |
556 |
break; |
557 |
case 0xb8: |
558 |
key_down_state |= DMod2Mask; |
559 |
break; |
560 |
} |
561 |
|
562 |
if( (ShiftMask & ev->state) && !((key_down_state & DShift1Mask) || (key_down_state & DShift2Mask))) |
563 |
{ |
564 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x2a, 0); |
565 |
key_down_state |= DShift1Mask; |
566 |
|
567 |
} |
568 |
|
569 |
if( (ControlMask & ev->state) && !((key_down_state & DControl1Mask) || (key_down_state & DControl2Mask))) |
570 |
{ |
571 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x1d, 0); |
572 |
key_down_state |= DControl1Mask; |
573 |
|
574 |
} |
575 |
|
576 |
if( (Mod1Mask & ev->state) && !(key_down_state & DMod1Mask)) |
577 |
{ |
578 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x38, 0); |
579 |
key_down_state |= DMod1Mask; |
580 |
|
581 |
} |
582 |
|
583 |
if( (Mod2Mask & ev->state) && !(key_down_state & DMod2Mask)) |
584 |
{ |
585 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0xb8, 0); |
586 |
key_down_state |= DMod2Mask; |
587 |
|
588 |
} |
589 |
} |
590 |
|
591 |
void |
592 |
ui_select(int rdp_socket) |
593 |
{ |
594 |
int n = (rdp_socket > x_socket) ? rdp_socket+1 : x_socket+1; |
595 |
fd_set rfds; |
596 |
|
597 |
XFlush(display); |
598 |
|
599 |
FD_ZERO(&rfds); |
600 |
|
601 |
while (True) |
602 |
{ |
603 |
FD_ZERO(&rfds); |
604 |
FD_SET(rdp_socket, &rfds); |
605 |
FD_SET(x_socket, &rfds); |
606 |
|
607 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
608 |
{ |
609 |
case -1: |
610 |
error("select: %s\n", strerror(errno)); |
611 |
|
612 |
case 0: |
613 |
continue; |
614 |
} |
615 |
|
616 |
if (FD_ISSET(x_socket, &rfds)) |
617 |
xwin_process_events(); |
618 |
|
619 |
if (FD_ISSET(rdp_socket, &rfds)) |
620 |
return; |
621 |
} |
622 |
} |
623 |
|
624 |
void |
625 |
ui_move_pointer(int x, int y) |
626 |
{ |
627 |
XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
628 |
} |
629 |
|
630 |
HBITMAP |
631 |
ui_create_bitmap(int width, int height, uint8 *data) |
632 |
{ |
633 |
XImage *image; |
634 |
Pixmap bitmap; |
635 |
uint8 *tdata; |
636 |
|
637 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
638 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
639 |
image = XCreateImage(display, visual, depth, ZPixmap, |
640 |
0, tdata, width, height, 8, 0); |
641 |
|
642 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
643 |
|
644 |
XFree(image); |
645 |
if (!owncolmap) |
646 |
xfree(tdata); |
647 |
return (HBITMAP) bitmap; |
648 |
} |
649 |
|
650 |
void |
651 |
ui_paint_bitmap(int x, int y, int cx, int cy, |
652 |
int width, int height, uint8 *data) |
653 |
{ |
654 |
XImage *image; |
655 |
uint8 *tdata; |
656 |
|
657 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
658 |
image = XCreateImage(display, visual, depth, ZPixmap, |
659 |
0, tdata, width, height, 8, 0); |
660 |
|
661 |
if (ownbackstore) |
662 |
{ |
663 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
664 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
665 |
} |
666 |
else |
667 |
{ |
668 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
669 |
} |
670 |
|
671 |
XFree(image); |
672 |
if (!owncolmap) |
673 |
xfree(tdata); |
674 |
} |
675 |
|
676 |
void |
677 |
ui_destroy_bitmap(HBITMAP bmp) |
678 |
{ |
679 |
XFreePixmap(display, (Pixmap)bmp); |
680 |
} |
681 |
|
682 |
HGLYPH |
683 |
ui_create_glyph(int width, int height, uint8 *data) |
684 |
{ |
685 |
XImage *image; |
686 |
Pixmap bitmap; |
687 |
int scanline; |
688 |
GC gc; |
689 |
|
690 |
scanline = (width + 7) / 8; |
691 |
|
692 |
bitmap = XCreatePixmap(display, wnd, width, height, 1); |
693 |
gc = XCreateGC(display, bitmap, 0, NULL); |
694 |
|
695 |
image = XCreateImage(display, visual, 1, ZPixmap, 0, |
696 |
data, width, height, 8, scanline); |
697 |
image->byte_order = MSBFirst; |
698 |
image->bitmap_bit_order = MSBFirst; |
699 |
XInitImage(image); |
700 |
|
701 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
702 |
|
703 |
XFree(image); |
704 |
XFreeGC(display, gc); |
705 |
return (HGLYPH)bitmap; |
706 |
} |
707 |
|
708 |
void |
709 |
ui_destroy_glyph(HGLYPH glyph) |
710 |
{ |
711 |
XFreePixmap(display, (Pixmap)glyph); |
712 |
} |
713 |
|
714 |
HCURSOR |
715 |
ui_create_cursor(unsigned int x, unsigned int y, int width, |
716 |
int height, uint8 *andmask, uint8 *xormask) |
717 |
{ |
718 |
HGLYPH maskglyph, cursorglyph; |
719 |
XColor bg, fg; |
720 |
Cursor xcursor; |
721 |
uint8 *cursor, *pcursor; |
722 |
uint8 *mask, *pmask; |
723 |
uint8 nextbit; |
724 |
int scanline, offset; |
725 |
int i, j; |
726 |
|
727 |
scanline = (width + 7) / 8; |
728 |
offset = scanline * height; |
729 |
|
730 |
cursor = xmalloc(offset); |
731 |
memset(cursor, 0, offset); |
732 |
|
733 |
mask = xmalloc(offset); |
734 |
memset(mask, 0, offset); |
735 |
|
736 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
737 |
for (i = 0; i < height; i++) |
738 |
{ |
739 |
offset -= scanline; |
740 |
pcursor = &cursor[offset]; |
741 |
pmask = &mask[offset]; |
742 |
|
743 |
for (j = 0; j < scanline; j++) |
744 |
{ |
745 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
746 |
{ |
747 |
if (xormask[0] || xormask[1] || xormask[2]) |
748 |
{ |
749 |
*pcursor |= (~(*andmask) & nextbit); |
750 |
*pmask |= nextbit; |
751 |
} |
752 |
else |
753 |
{ |
754 |
*pcursor |= ((*andmask) & nextbit); |
755 |
*pmask |= (~(*andmask) & nextbit); |
756 |
} |
757 |
|
758 |
xormask += 3; |
759 |
} |
760 |
|
761 |
andmask++; |
762 |
pcursor++; |
763 |
pmask++; |
764 |
} |
765 |
} |
766 |
|
767 |
fg.red = fg.blue = fg.green = 0xffff; |
768 |
bg.red = bg.blue = bg.green = 0x0000; |
769 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
770 |
|
771 |
cursorglyph = ui_create_glyph(width, height, cursor); |
772 |
maskglyph = ui_create_glyph(width, height, mask); |
773 |
|
774 |
xcursor = XCreatePixmapCursor(display, (Pixmap)cursorglyph, |
775 |
(Pixmap)maskglyph, &fg, &bg, x, y); |
776 |
|
777 |
ui_destroy_glyph(maskglyph); |
778 |
ui_destroy_glyph(cursorglyph); |
779 |
xfree(mask); |
780 |
xfree(cursor); |
781 |
return (HCURSOR)xcursor; |
782 |
} |
783 |
|
784 |
void |
785 |
ui_set_cursor(HCURSOR cursor) |
786 |
{ |
787 |
XDefineCursor(display, wnd, (Cursor)cursor); |
788 |
} |
789 |
|
790 |
void |
791 |
ui_destroy_cursor(HCURSOR cursor) |
792 |
{ |
793 |
XFreeCursor(display, (Cursor)cursor); |
794 |
} |
795 |
|
796 |
#define MAKE_XCOLOR(xc,c) \ |
797 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
798 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
799 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
800 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
801 |
|
802 |
HCOLOURMAP |
803 |
ui_create_colourmap(COLOURMAP *colours) |
804 |
{ |
805 |
COLOURENTRY *entry; |
806 |
int i, ncolours = colours->ncolours; |
807 |
|
808 |
if (owncolmap) |
809 |
{ |
810 |
XColor *xcolours, *xentry; |
811 |
Colormap map; |
812 |
|
813 |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
814 |
for (i = 0; i < ncolours; i++) |
815 |
{ |
816 |
entry = &colours->colours[i]; |
817 |
xentry = &xcolours[i]; |
818 |
xentry->pixel = i; |
819 |
MAKE_XCOLOR(xentry, entry); |
820 |
} |
821 |
|
822 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
823 |
XStoreColors(display, map, xcolours, ncolours); |
824 |
|
825 |
xfree(xcolours); |
826 |
return (HCOLOURMAP)map; |
827 |
} |
828 |
else |
829 |
{ |
830 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
831 |
XColor xentry; |
832 |
uint32 colour; |
833 |
|
834 |
for (i = 0; i < ncolours; i++) |
835 |
{ |
836 |
entry = &colours->colours[i]; |
837 |
MAKE_XCOLOR(&xentry, entry); |
838 |
|
839 |
if (XAllocColor(display, xcolmap, &xentry) != 0) |
840 |
colour = xentry.pixel; |
841 |
else |
842 |
colour = white; |
843 |
|
844 |
/* byte swap here to make translate_image faster */ |
845 |
map[i] = translate_colour(colour); |
846 |
} |
847 |
|
848 |
return map; |
849 |
} |
850 |
} |
851 |
|
852 |
void |
853 |
ui_destroy_colourmap(HCOLOURMAP map) |
854 |
{ |
855 |
if (owncolmap) |
856 |
XFreeColormap(display, (Colormap)map); |
857 |
else |
858 |
xfree(map); |
859 |
} |
860 |
|
861 |
void |
862 |
ui_set_colourmap(HCOLOURMAP map) |
863 |
{ |
864 |
if (owncolmap) |
865 |
XSetWindowColormap(display, wnd, (Colormap)map); |
866 |
else |
867 |
colmap = map; |
868 |
} |
869 |
|
870 |
void |
871 |
ui_set_clip(int x, int y, int cx, int cy) |
872 |
{ |
873 |
XRectangle rect; |
874 |
|
875 |
rect.x = x; |
876 |
rect.y = y; |
877 |
rect.width = cx; |
878 |
rect.height = cy; |
879 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
880 |
} |
881 |
|
882 |
void |
883 |
ui_reset_clip() |
884 |
{ |
885 |
XRectangle rect; |
886 |
|
887 |
rect.x = 0; |
888 |
rect.y = 0; |
889 |
rect.width = width; |
890 |
rect.height = height; |
891 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
892 |
} |
893 |
|
894 |
void |
895 |
ui_bell() |
896 |
{ |
897 |
XBell(display, 0); |
898 |
} |
899 |
|
900 |
void |
901 |
ui_destblt(uint8 opcode, |
902 |
/* dest */ int x, int y, int cx, int cy) |
903 |
{ |
904 |
SET_FUNCTION(opcode); |
905 |
FILL_RECTANGLE(x, y, cx, cy); |
906 |
RESET_FUNCTION(opcode); |
907 |
} |
908 |
|
909 |
void |
910 |
ui_patblt(uint8 opcode, |
911 |
/* dest */ int x, int y, int cx, int cy, |
912 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
913 |
{ |
914 |
Pixmap fill; |
915 |
|
916 |
SET_FUNCTION(opcode); |
917 |
|
918 |
switch (brush->style) |
919 |
{ |
920 |
case 0: /* Solid */ |
921 |
SET_FOREGROUND(fgcolour); |
922 |
FILL_RECTANGLE(x, y, cx, cy); |
923 |
break; |
924 |
|
925 |
case 3: /* Pattern */ |
926 |
fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern); |
927 |
|
928 |
SET_FOREGROUND(bgcolour); |
929 |
SET_BACKGROUND(fgcolour); |
930 |
XSetFillStyle(display, gc, FillOpaqueStippled); |
931 |
XSetStipple(display, gc, fill); |
932 |
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); |
933 |
|
934 |
FILL_RECTANGLE(x, y, cx, cy); |
935 |
|
936 |
XSetFillStyle(display, gc, FillSolid); |
937 |
ui_destroy_glyph((HGLYPH)fill); |
938 |
break; |
939 |
|
940 |
default: |
941 |
unimpl("brush %d\n", brush->style); |
942 |
} |
943 |
|
944 |
RESET_FUNCTION(opcode); |
945 |
} |
946 |
|
947 |
void |
948 |
ui_screenblt(uint8 opcode, |
949 |
/* dest */ int x, int y, int cx, int cy, |
950 |
/* src */ int srcx, int srcy) |
951 |
{ |
952 |
SET_FUNCTION(opcode); |
953 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); |
954 |
if (ownbackstore) |
955 |
XCopyArea(display, backstore, backstore, gc, srcx, srcy, |
956 |
cx, cy, x, y); |
957 |
RESET_FUNCTION(opcode); |
958 |
} |
959 |
|
960 |
void |
961 |
ui_memblt(uint8 opcode, |
962 |
/* dest */ int x, int y, int cx, int cy, |
963 |
/* src */ HBITMAP src, int srcx, int srcy) |
964 |
{ |
965 |
SET_FUNCTION(opcode); |
966 |
XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, cx, cy, x, y); |
967 |
if (ownbackstore) |
968 |
XCopyArea(display, (Pixmap)src, backstore, gc, srcx, srcy, |
969 |
cx, cy, x, y); |
970 |
RESET_FUNCTION(opcode); |
971 |
} |
972 |
|
973 |
void |
974 |
ui_triblt(uint8 opcode, |
975 |
/* dest */ int x, int y, int cx, int cy, |
976 |
/* src */ HBITMAP src, int srcx, int srcy, |
977 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
978 |
{ |
979 |
/* This is potentially difficult to do in general. Until someone |
980 |
comes up with a more efficient way of doing it I am using cases. */ |
981 |
|
982 |
switch (opcode) |
983 |
{ |
984 |
case 0x69: /* PDSxxn */ |
985 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
986 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, |
987 |
brush, bgcolour, fgcolour); |
988 |
break; |
989 |
|
990 |
case 0xb8: /* PSDPxax */ |
991 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
992 |
brush, bgcolour, fgcolour); |
993 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
994 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
995 |
brush, bgcolour, fgcolour); |
996 |
break; |
997 |
|
998 |
case 0xc0: /* PSa */ |
999 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1000 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, |
1001 |
fgcolour); |
1002 |
break; |
1003 |
|
1004 |
default: |
1005 |
unimpl("triblt 0x%x\n", opcode); |
1006 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1007 |
} |
1008 |
} |
1009 |
|
1010 |
void |
1011 |
ui_line(uint8 opcode, |
1012 |
/* dest */ int startx, int starty, int endx, int endy, |
1013 |
/* pen */ PEN *pen) |
1014 |
{ |
1015 |
SET_FUNCTION(opcode); |
1016 |
SET_FOREGROUND(pen->colour); |
1017 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
1018 |
if (ownbackstore) |
1019 |
XDrawLine(display, backstore, gc, startx, starty, endx, endy); |
1020 |
RESET_FUNCTION(opcode); |
1021 |
} |
1022 |
|
1023 |
void |
1024 |
ui_rect( |
1025 |
/* dest */ int x, int y, int cx, int cy, |
1026 |
/* brush */ int colour) |
1027 |
{ |
1028 |
SET_FOREGROUND(colour); |
1029 |
FILL_RECTANGLE(x, y, cx, cy); |
1030 |
} |
1031 |
|
1032 |
void |
1033 |
ui_draw_glyph(int mixmode, |
1034 |
/* dest */ int x, int y, int cx, int cy, |
1035 |
/* src */ HGLYPH glyph, int srcx, int srcy, int bgcolour, |
1036 |
int fgcolour) |
1037 |
{ |
1038 |
SET_FOREGROUND(fgcolour); |
1039 |
SET_BACKGROUND(bgcolour); |
1040 |
|
1041 |
XSetFillStyle(display, gc, (mixmode == MIX_TRANSPARENT) |
1042 |
? FillStippled : FillOpaqueStippled); |
1043 |
XSetStipple(display, gc, (Pixmap)glyph); |
1044 |
XSetTSOrigin(display, gc, x, y); |
1045 |
|
1046 |
FILL_RECTANGLE(x, y, cx, cy); |
1047 |
|
1048 |
XSetFillStyle(display, gc, FillSolid); |
1049 |
} |
1050 |
|
1051 |
#define DO_GLYPH(ttext,idx) \ |
1052 |
{\ |
1053 |
glyph = cache_get_font (font, ttext[idx]);\ |
1054 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
1055 |
{\ |
1056 |
xyoffset = ttext[++idx];\ |
1057 |
if ((xyoffset & 0x80))\ |
1058 |
{\ |
1059 |
if (flags & TEXT2_VERTICAL) \ |
1060 |
y += ttext[++idx] | (ttext[++idx] << 8);\ |
1061 |
else\ |
1062 |
x += ttext[++idx] | (ttext[++idx] << 8);\ |
1063 |
}\ |
1064 |
else\ |
1065 |
{\ |
1066 |
if (flags & TEXT2_VERTICAL) \ |
1067 |
y += xyoffset;\ |
1068 |
else\ |
1069 |
x += xyoffset;\ |
1070 |
}\ |
1071 |
}\ |
1072 |
if (glyph != NULL)\ |
1073 |
{\ |
1074 |
ui_draw_glyph (mixmode, x + (short) glyph->offset,\ |
1075 |
y + (short) glyph->baseline,\ |
1076 |
glyph->width, glyph->height,\ |
1077 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
1078 |
if (flags & TEXT2_IMPLICIT_X)\ |
1079 |
x += glyph->width;\ |
1080 |
}\ |
1081 |
} |
1082 |
|
1083 |
void |
1084 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
1085 |
int clipx, int clipy, int clipcx, int clipcy, int boxx, |
1086 |
int boxy, int boxcx, int boxcy, int bgcolour, |
1087 |
int fgcolour, uint8 * text, uint8 length) |
1088 |
{ |
1089 |
FONTGLYPH *glyph; |
1090 |
int i, j, xyoffset; |
1091 |
DATABLOB *entry; |
1092 |
|
1093 |
SET_FOREGROUND(bgcolour); |
1094 |
|
1095 |
if (boxcx > 1) |
1096 |
{ |
1097 |
FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); |
1098 |
} |
1099 |
else if (mixmode == MIX_OPAQUE) |
1100 |
{ |
1101 |
FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); |
1102 |
} |
1103 |
|
1104 |
/* Paint text, character by character */ |
1105 |
for (i = 0; i < length;) { |
1106 |
switch (text[i]) { |
1107 |
case 0xff: |
1108 |
if (i + 2 < length) |
1109 |
cache_put_text(text[i + 1], text, text[i + 2]); |
1110 |
else { |
1111 |
error("this shouldn't be happening\n"); |
1112 |
break; |
1113 |
} |
1114 |
/* this will move pointer from start to first character after FF command */ |
1115 |
length -= i + 3; |
1116 |
text = &(text[i + 3]); |
1117 |
i = 0; |
1118 |
break; |
1119 |
|
1120 |
case 0xfe: |
1121 |
entry = cache_get_text(text[i + 1]); |
1122 |
if (entry != NULL) { |
1123 |
if ((((uint8 *) (entry->data))[1] == 0) |
1124 |
&& (!(flags & TEXT2_IMPLICIT_X))) { |
1125 |
if (flags & TEXT2_VERTICAL) |
1126 |
y += text[i + 2]; |
1127 |
else |
1128 |
x += text[i + 2]; |
1129 |
} |
1130 |
if (i + 2 < length) |
1131 |
i += 3; |
1132 |
else |
1133 |
i += 2; |
1134 |
length -= i; |
1135 |
/* this will move pointer from start to first character after FE command */ |
1136 |
text = &(text[i]); |
1137 |
i = 0; |
1138 |
for (j = 0; j < entry->size; j++) |
1139 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
1140 |
} |
1141 |
break; |
1142 |
|
1143 |
default: |
1144 |
DO_GLYPH(text, i); |
1145 |
i++; |
1146 |
break; |
1147 |
} |
1148 |
} |
1149 |
|
1150 |
|
1151 |
} |
1152 |
|
1153 |
void |
1154 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
1155 |
{ |
1156 |
Pixmap pix; |
1157 |
XImage *image; |
1158 |
|
1159 |
if (ownbackstore) |
1160 |
{ |
1161 |
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, |
1162 |
ZPixmap); |
1163 |
} |
1164 |
else |
1165 |
{ |
1166 |
pix = XCreatePixmap(display, wnd, cx, cy, depth); |
1167 |
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); |
1168 |
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, |
1169 |
ZPixmap); |
1170 |
XFreePixmap(display, pix); |
1171 |
} |
1172 |
|
1173 |
offset *= bpp/8; |
1174 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, |
1175 |
bpp/8, (uint8 *)image->data); |
1176 |
|
1177 |
XDestroyImage(image); |
1178 |
} |
1179 |
|
1180 |
void |
1181 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
1182 |
{ |
1183 |
XImage *image; |
1184 |
uint8 *data; |
1185 |
|
1186 |
offset *= bpp/8; |
1187 |
data = cache_get_desktop(offset, cx, cy, bpp/8); |
1188 |
if (data == NULL) |
1189 |
return; |
1190 |
|
1191 |
image = XCreateImage(display, visual, depth, ZPixmap, |
1192 |
0, data, cx, cy, BitmapPad(display), |
1193 |
cx * bpp/8); |
1194 |
|
1195 |
if (ownbackstore) |
1196 |
{ |
1197 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
1198 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
1199 |
} |
1200 |
else |
1201 |
{ |
1202 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
1203 |
} |
1204 |
|
1205 |
XFree(image); |
1206 |
} |