| 1 |
/* |
| 2 |
rdesktop: A Remote Desktop Protocol client. |
| 3 |
User interface services - X-Windows |
| 4 |
Copyright (C) Matthew Chapman 1999-2000 |
| 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 |
|
| 11 |
This program is distributed in the hope that it will be useful, |
| 12 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
GNU General Public License for more details. |
| 15 |
|
| 16 |
You should have received a copy of the GNU General Public License |
| 17 |
along with this program; if not, write to the Free Software |
| 18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 |
*/ |
| 20 |
|
| 21 |
#include <X11/Xlib.h> |
| 22 |
#include <time.h> |
| 23 |
#include "rdesktop.h" |
| 24 |
|
| 25 |
extern int width; |
| 26 |
extern int height; |
| 27 |
extern BOOL motion; |
| 28 |
|
| 29 |
static Display *display; |
| 30 |
static Window wnd; |
| 31 |
static GC gc; |
| 32 |
static Visual *visual; |
| 33 |
static XIM IM; |
| 34 |
|
| 35 |
BOOL ui_create_window(char *title) |
| 36 |
{ |
| 37 |
Screen *screen; |
| 38 |
XSetWindowAttributes attribs; |
| 39 |
unsigned long input_mask; |
| 40 |
int i; |
| 41 |
|
| 42 |
display = XOpenDisplay(NULL); |
| 43 |
if (display == NULL) |
| 44 |
{ |
| 45 |
ERROR("Failed to open display\n"); |
| 46 |
return False; |
| 47 |
} |
| 48 |
|
| 49 |
/* Check the screen supports 8-bit depth. */ |
| 50 |
screen = DefaultScreenOfDisplay(display); |
| 51 |
for (i = 0; i < screen->ndepths; i++) |
| 52 |
if (screen->depths[i].depth == 8) |
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break; |
| 54 |
|
| 55 |
if (i >= screen->ndepths) |
| 56 |
{ |
| 57 |
ERROR("8-bit depth required (in this version).\n"); |
| 58 |
XCloseDisplay(display); |
| 59 |
return False; |
| 60 |
} |
| 61 |
|
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visual = DefaultVisual(display, DefaultScreen(display)); |
| 63 |
|
| 64 |
attribs.background_pixel = BlackPixel(display, DefaultScreen(display)); |
| 65 |
attribs.backing_store = Always; |
| 66 |
wnd = XCreateWindow(display, DefaultRootWindow(display), |
| 67 |
0, 0, width, height, 0, 8, InputOutput, visual, |
| 68 |
CWBackingStore | CWBackPixel, &attribs); |
| 69 |
|
| 70 |
XStoreName(display, wnd, title); |
| 71 |
XMapWindow(display, wnd); |
| 72 |
|
| 73 |
input_mask = KeyPressMask | KeyReleaseMask; |
| 74 |
input_mask |= ButtonPressMask | ButtonReleaseMask; |
| 75 |
if (motion) |
| 76 |
input_mask |= PointerMotionMask; |
| 77 |
|
| 78 |
XSelectInput(display, wnd, input_mask); |
| 79 |
gc = XCreateGC(display, wnd, 0, NULL); |
| 80 |
|
| 81 |
IM = XOpenIM(display, NULL, NULL, NULL); |
| 82 |
return True; |
| 83 |
} |
| 84 |
|
| 85 |
void ui_destroy_window() |
| 86 |
{ |
| 87 |
XCloseIM(IM); |
| 88 |
XFreeGC(display, gc); |
| 89 |
XDestroyWindow(display, wnd); |
| 90 |
XCloseDisplay(display); |
| 91 |
} |
| 92 |
|
| 93 |
static uint8 xwin_translate_key(unsigned long key) |
| 94 |
{ |
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DEBUG("KEY(code=0x%lx)\n", key); |
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|
| 97 |
if ((key > 8) && (key <= 0x60)) |
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return (key - 8); |
| 99 |
|
| 100 |
switch (key) |
| 101 |
{ |
| 102 |
case 0x62: /* left arrow */ |
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return 0x48; |
| 104 |
case 0x64: /* up arrow */ |
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return 0x4b; |
| 106 |
case 0x66: /* down arrow */ |
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return 0x4d; |
| 108 |
case 0x68: /* right arrow */ |
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return 0x50; |
| 110 |
case 0x73: /* Windows key */ |
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DEBUG("CHECKPOINT\n"); |
| 112 |
} |
| 113 |
|
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return 0; |
| 115 |
} |
| 116 |
|
| 117 |
static uint16 xwin_translate_mouse(unsigned long button) |
| 118 |
{ |
| 119 |
switch (button) |
| 120 |
{ |
| 121 |
case Button1: /* left */ |
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return MOUSE_FLAG_BUTTON1; |
| 123 |
case Button2: /* middle */ |
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return MOUSE_FLAG_BUTTON3; |
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case Button3: /* right */ |
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return MOUSE_FLAG_BUTTON2; |
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} |
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|
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return 0; |
| 130 |
} |
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|
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void ui_process_events() |
| 133 |
{ |
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XEvent event; |
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uint8 scancode; |
| 136 |
uint16 button; |
| 137 |
uint32 ev_time; |
| 138 |
|
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if (display == NULL) |
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return; |
| 141 |
|
| 142 |
while (XCheckWindowEvent(display, wnd, 0xffffffff, &event)) |
| 143 |
{ |
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ev_time = time(NULL); |
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|
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switch (event.type) |
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{ |
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case KeyPress: |
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scancode = xwin_translate_key(event.xkey.keycode); |
| 150 |
if (scancode == 0) |
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break; |
| 152 |
|
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, 0, |
| 154 |
scancode, 0); |
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break; |
| 156 |
|
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case KeyRelease: |
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scancode = xwin_translate_key(event.xkey.keycode); |
| 159 |
if (scancode == 0) |
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break; |
| 161 |
|
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, |
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KBD_FLAG_DOWN | KBD_FLAG_UP, |
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scancode, 0); |
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break; |
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|
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case ButtonPress: |
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button = xwin_translate_mouse(event.xbutton.button); |
| 169 |
|
| 170 |
if (button == 0) |
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break; |
| 172 |
|
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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button | MOUSE_FLAG_DOWN, |
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event.xbutton.x, |
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event.xbutton.y); |
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break; |
| 178 |
|
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case ButtonRelease: |
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button = xwin_translate_mouse(event.xbutton.button); |
| 181 |
if (button == 0) |
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break; |
| 183 |
|
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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button, |
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event.xbutton.x, |
| 187 |
event.xbutton.y); |
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break; |
| 189 |
|
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case MotionNotify: |
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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MOUSE_FLAG_MOVE, |
| 193 |
event.xmotion.x, |
| 194 |
event.xmotion.y); |
| 195 |
} |
| 196 |
} |
| 197 |
} |
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|
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void ui_move_pointer(int x, int y) |
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{ |
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XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
| 202 |
} |
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|
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HBITMAP ui_create_bitmap(int width, int height, uint8 *data) |
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{ |
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XImage *image; |
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Pixmap bitmap; |
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|
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bitmap = XCreatePixmap(display, wnd, width, height, 8); |
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|
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image = XCreateImage(display, visual, 8, ZPixmap, 0, |
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data, width, height, 8, width); |
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XSetFunction(display, gc, GXcopy); |
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XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
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XFree(image); |
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|
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return (HBITMAP)bitmap; |
| 218 |
} |
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|
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void ui_paint_bitmap(int x, int y, int cx, int cy, |
| 221 |
int width, int height, uint8 *data) |
| 222 |
{ |
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XImage *image; |
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|
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image = XCreateImage(display, visual, 8, ZPixmap, 0, |
| 226 |
data, width, height, 8, width); |
| 227 |
XSetFunction(display, gc, GXcopy); |
| 228 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 229 |
XFree(image); |
| 230 |
} |
| 231 |
|
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void ui_destroy_bitmap(HBITMAP bmp) |
| 233 |
{ |
| 234 |
XFreePixmap(display, (Pixmap)bmp); |
| 235 |
} |
| 236 |
|
| 237 |
HGLYPH ui_create_glyph(int width, int height, uint8 *data) |
| 238 |
{ |
| 239 |
XImage *image; |
| 240 |
Pixmap bitmap; |
| 241 |
int scanline; |
| 242 |
GC gc; |
| 243 |
|
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scanline = (width + 7) / 8; |
| 245 |
|
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bitmap = XCreatePixmap(display, wnd, width, height, 1); |
| 247 |
gc = XCreateGC(display, bitmap, 0, NULL); |
| 248 |
|
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image = XCreateImage(display, visual, 1, ZPixmap, 0, |
| 250 |
data, width, height, 8, scanline); |
| 251 |
image->byte_order = MSBFirst; |
| 252 |
image->bitmap_bit_order = MSBFirst; |
| 253 |
XInitImage(image); |
| 254 |
|
| 255 |
XSetFunction(display, gc, GXcopy); |
| 256 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
| 257 |
XFree(image); |
| 258 |
XFreeGC(display, gc); |
| 259 |
|
| 260 |
return (HGLYPH)bitmap; |
| 261 |
} |
| 262 |
|
| 263 |
void ui_destroy_glyph(HGLYPH glyph) |
| 264 |
{ |
| 265 |
XFreePixmap(display, (Pixmap)glyph); |
| 266 |
} |
| 267 |
|
| 268 |
HCOLOURMAP ui_create_colourmap(COLOURMAP *colours) |
| 269 |
{ |
| 270 |
COLOURENTRY *entry; |
| 271 |
XColor *xcolours, *xentry; |
| 272 |
Colormap map; |
| 273 |
int i, ncolours = colours->ncolours; |
| 274 |
|
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xcolours = xmalloc(sizeof(XColor) * ncolours); |
| 276 |
for (i = 0; i < ncolours; i++) |
| 277 |
{ |
| 278 |
entry = &colours->colours[i]; |
| 279 |
xentry = &xcolours[i]; |
| 280 |
|
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xentry->pixel = i; |
| 282 |
xentry->red = entry->red << 8; |
| 283 |
xentry->blue = entry->blue << 8; |
| 284 |
xentry->green = entry->green << 8; |
| 285 |
xentry->flags = DoRed | DoBlue | DoGreen; |
| 286 |
} |
| 287 |
|
| 288 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
| 289 |
XStoreColors(display, map, xcolours, ncolours); |
| 290 |
|
| 291 |
xfree(xcolours); |
| 292 |
return (HCOLOURMAP)map; |
| 293 |
} |
| 294 |
|
| 295 |
void ui_destroy_colourmap(HCOLOURMAP map) |
| 296 |
{ |
| 297 |
XFreeColormap(display, (Colormap)map); |
| 298 |
} |
| 299 |
|
| 300 |
void ui_set_colourmap(HCOLOURMAP map) |
| 301 |
{ |
| 302 |
XSetWindowColormap(display, wnd, (Colormap)map); |
| 303 |
} |
| 304 |
|
| 305 |
void ui_set_clip(int x, int y, int cx, int cy) |
| 306 |
{ |
| 307 |
XRectangle rect; |
| 308 |
|
| 309 |
rect.x = x; |
| 310 |
rect.y = y; |
| 311 |
rect.width = cx; |
| 312 |
rect.height = cy; |
| 313 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 314 |
} |
| 315 |
|
| 316 |
void ui_reset_clip() |
| 317 |
{ |
| 318 |
XRectangle rect; |
| 319 |
|
| 320 |
rect.x = 0; |
| 321 |
rect.y = 0; |
| 322 |
rect.width = width; |
| 323 |
rect.height = height; |
| 324 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 325 |
} |
| 326 |
|
| 327 |
void ui_bell() |
| 328 |
{ |
| 329 |
XBell(display, 0); |
| 330 |
} |
| 331 |
|
| 332 |
static int rop2_map[] = { |
| 333 |
GXclear, /* 0 */ |
| 334 |
GXnor, /* DPon */ |
| 335 |
GXandInverted, /* DPna */ |
| 336 |
GXcopyInverted, /* Pn */ |
| 337 |
GXandReverse, /* PDna */ |
| 338 |
GXinvert, /* Dn */ |
| 339 |
GXxor, /* DPx */ |
| 340 |
GXnand, /* DPan */ |
| 341 |
GXand, /* DPa */ |
| 342 |
GXequiv, /* DPxn */ |
| 343 |
GXnoop, /* D */ |
| 344 |
GXorInverted, /* DPno */ |
| 345 |
GXcopy, /* P */ |
| 346 |
GXorReverse, /* PDno */ |
| 347 |
GXor, /* DPo */ |
| 348 |
GXset /* 1 */ |
| 349 |
}; |
| 350 |
|
| 351 |
static void xwin_set_function(uint8 rop2) |
| 352 |
{ |
| 353 |
XSetFunction(display, gc, rop2_map[rop2]); |
| 354 |
} |
| 355 |
|
| 356 |
void ui_destblt(uint8 opcode, |
| 357 |
/* dest */ int x, int y, int cx, int cy) |
| 358 |
{ |
| 359 |
xwin_set_function(opcode); |
| 360 |
|
| 361 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); |
| 362 |
} |
| 363 |
|
| 364 |
void ui_patblt(uint8 opcode, |
| 365 |
/* dest */ int x, int y, int cx, int cy, |
| 366 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
| 367 |
{ |
| 368 |
Display *dpy = display; |
| 369 |
Pixmap fill; |
| 370 |
|
| 371 |
xwin_set_function(opcode); |
| 372 |
|
| 373 |
switch (brush->style) |
| 374 |
{ |
| 375 |
case 0: /* Solid */ |
| 376 |
XSetForeground(dpy, gc, fgcolour); |
| 377 |
XFillRectangle(dpy, wnd, gc, x, y, cx, cy); |
| 378 |
break; |
| 379 |
|
| 380 |
case 3: /* Pattern */ |
| 381 |
fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern); |
| 382 |
|
| 383 |
XSetForeground(dpy, gc, fgcolour); |
| 384 |
XSetBackground(dpy, gc, bgcolour); |
| 385 |
XSetFillStyle(dpy, gc, FillOpaqueStippled); |
| 386 |
XSetStipple(dpy, gc, fill); |
| 387 |
|
| 388 |
XFillRectangle(dpy, wnd, gc, x, y, cx, cy); |
| 389 |
|
| 390 |
XSetFillStyle(dpy, gc, FillSolid); |
| 391 |
ui_destroy_glyph((HGLYPH)fill); |
| 392 |
break; |
| 393 |
|
| 394 |
default: |
| 395 |
NOTIMP("brush %d\n", brush->style); |
| 396 |
} |
| 397 |
} |
| 398 |
|
| 399 |
void ui_screenblt(uint8 opcode, |
| 400 |
/* dest */ int x, int y, int cx, int cy, |
| 401 |
/* src */ int srcx, int srcy) |
| 402 |
{ |
| 403 |
xwin_set_function(opcode); |
| 404 |
|
| 405 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, |
| 406 |
cx, cy, x, y); |
| 407 |
} |
| 408 |
|
| 409 |
void ui_memblt(uint8 opcode, |
| 410 |
/* dest */ int x, int y, int cx, int cy, |
| 411 |
/* src */ HBITMAP src, int srcx, int srcy) |
| 412 |
{ |
| 413 |
xwin_set_function(opcode); |
| 414 |
|
| 415 |
XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, |
| 416 |
cx, cy, x, y); |
| 417 |
} |
| 418 |
|
| 419 |
void ui_triblt(uint8 opcode, |
| 420 |
/* dest */ int x, int y, int cx, int cy, |
| 421 |
/* src */ HBITMAP src, int srcx, int srcy, |
| 422 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
| 423 |
{ |
| 424 |
/* This is potentially difficult to do in general. Until someone |
| 425 |
comes up with a more efficient way of doing it I am using cases. */ |
| 426 |
|
| 427 |
switch (opcode) |
| 428 |
{ |
| 429 |
case 0x69: /* PDSxxn */ |
| 430 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
| 431 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, |
| 432 |
brush, bgcolour, fgcolour); |
| 433 |
break; |
| 434 |
|
| 435 |
case 0xb8: /* PSDPxax */ |
| 436 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
| 437 |
brush, bgcolour, fgcolour); |
| 438 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
| 439 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
| 440 |
brush, bgcolour, fgcolour); |
| 441 |
break; |
| 442 |
|
| 443 |
default: |
| 444 |
NOTIMP("triblt 0x%x\n", opcode); |
| 445 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
void ui_line(uint8 opcode, |
| 450 |
/* dest */ int startx, int starty, int endx, int endy, |
| 451 |
/* pen */ PEN *pen) |
| 452 |
{ |
| 453 |
xwin_set_function(opcode); |
| 454 |
|
| 455 |
XSetForeground(display, gc, pen->colour); |
| 456 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
| 457 |
} |
| 458 |
|
| 459 |
void ui_rect( |
| 460 |
/* dest */ int x, int y, int cx, int cy, |
| 461 |
/* brush */ int colour) |
| 462 |
{ |
| 463 |
xwin_set_function(ROP2_COPY); |
| 464 |
|
| 465 |
XSetForeground(display, gc, colour); |
| 466 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); |
| 467 |
} |
| 468 |
|
| 469 |
void ui_draw_glyph(int mixmode, |
| 470 |
/* dest */ int x, int y, int cx, int cy, |
| 471 |
/* src */ HGLYPH glyph, int srcx, int srcy, int bgcolour, int fgcolour) |
| 472 |
{ |
| 473 |
Pixmap pixmap = (Pixmap)glyph; |
| 474 |
|
| 475 |
xwin_set_function(ROP2_COPY); |
| 476 |
|
| 477 |
XSetForeground(display, gc, fgcolour); |
| 478 |
|
| 479 |
switch (mixmode) |
| 480 |
{ |
| 481 |
case MIX_TRANSPARENT: |
| 482 |
XSetStipple(display, gc, pixmap); |
| 483 |
XSetFillStyle(display, gc, FillStippled); |
| 484 |
XSetTSOrigin(display, gc, x, y); |
| 485 |
XFillRectangle(display, wnd, gc, |
| 486 |
x, y, cx, cy); |
| 487 |
XSetFillStyle(display, gc, FillSolid); |
| 488 |
break; |
| 489 |
|
| 490 |
case MIX_OPAQUE: |
| 491 |
XSetBackground(display, gc, bgcolour); |
| 492 |
XCopyPlane(display, pixmap, wnd, gc, |
| 493 |
srcx, srcy, cx, cy, x, y, 1); |
| 494 |
break; |
| 495 |
|
| 496 |
default: |
| 497 |
NOTIMP("mix %d\n", mixmode); |
| 498 |
} |
| 499 |
} |
| 500 |
|
| 501 |
void ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
| 502 |
int clipx, int clipy, int clipcx, int clipcy, |
| 503 |
int boxx, int boxy, int boxcx, int boxcy, |
| 504 |
int bgcolour, int fgcolour, uint8 *text, uint8 length) |
| 505 |
{ |
| 506 |
FONTGLYPH *glyph; |
| 507 |
int i; |
| 508 |
|
| 509 |
if (boxcx > 1) |
| 510 |
{ |
| 511 |
ui_rect(boxx, boxy, boxcx, boxcy, bgcolour); |
| 512 |
} |
| 513 |
else if (mixmode == MIX_OPAQUE) |
| 514 |
{ |
| 515 |
ui_rect(clipx, clipy, clipcx, clipcy, bgcolour); |
| 516 |
} |
| 517 |
|
| 518 |
/* Paint text, character by character */ |
| 519 |
for (i = 0; i < length; i++) |
| 520 |
{ |
| 521 |
glyph = cache_get_font(font, text[i]); |
| 522 |
|
| 523 |
if (!(flags & TEXT2_IMPLICIT_X)) |
| 524 |
x += text[++i]; |
| 525 |
|
| 526 |
if (glyph != NULL) |
| 527 |
{ |
| 528 |
ui_draw_glyph(mixmode, x + (short)glyph->offset, |
| 529 |
y + (short)glyph->baseline, |
| 530 |
glyph->width, glyph->height, |
| 531 |
glyph->pixmap, 0, 0, |
| 532 |
bgcolour, fgcolour); |
| 533 |
|
| 534 |
if (flags & TEXT2_IMPLICIT_X) |
| 535 |
x += glyph->width; |
| 536 |
} |
| 537 |
} |
| 538 |
} |
| 539 |
|
| 540 |
void ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
| 541 |
{ |
| 542 |
XImage *image; |
| 543 |
|
| 544 |
image = XGetImage(display, wnd, x, y, cx, cy, 0xffffffff, ZPixmap); |
| 545 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, image->data); |
| 546 |
XFree(image->data); |
| 547 |
XFree(image); |
| 548 |
} |
| 549 |
|
| 550 |
void ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
| 551 |
{ |
| 552 |
XImage *image; |
| 553 |
uint8 *data; |
| 554 |
|
| 555 |
data = cache_get_desktop(offset, cx, cy); |
| 556 |
if (data == NULL) |
| 557 |
return; |
| 558 |
|
| 559 |
image = XCreateImage(display, visual, 8, ZPixmap, 0, |
| 560 |
data, cx, cy, 32, cx); |
| 561 |
XSetFunction(display, gc, GXcopy); |
| 562 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 563 |
XFree(image); |
| 564 |
} |
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