22 |
#include <X11/Xutil.h> |
#include <X11/Xutil.h> |
23 |
#include <time.h> |
#include <time.h> |
24 |
#include <errno.h> |
#include <errno.h> |
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#define XK_MISCELLANY |
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#include <X11/keysymdef.h> |
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25 |
#include "rdesktop.h" |
#include "rdesktop.h" |
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#include "scancodes.h" |
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26 |
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27 |
extern int width; |
extern int width; |
28 |
extern int height; |
extern int height; |
29 |
extern BOOL sendmotion; |
extern BOOL sendmotion; |
30 |
extern BOOL fullscreen; |
extern BOOL fullscreen; |
31 |
extern BOOL grab_keyboard; |
extern BOOL grab_keyboard; |
32 |
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extern char title[]; |
33 |
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BOOL enable_compose = False; |
34 |
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35 |
Display *display = NULL; |
Display *display; |
36 |
static int x_socket; |
static int x_socket; |
37 |
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static Screen *screen; |
38 |
static Window wnd; |
static Window wnd; |
39 |
static GC gc; |
static GC gc; |
40 |
static Visual *visual; |
static Visual *visual; |
41 |
static int depth; |
static int depth; |
42 |
static int bpp; |
static int bpp; |
43 |
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static XIM IM; |
44 |
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static XIC IC; |
45 |
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static Cursor current_cursor; |
46 |
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47 |
/* endianness */ |
/* endianness */ |
48 |
static BOOL host_be; |
static BOOL host_be; |
60 |
} |
} |
61 |
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62 |
/* colour maps */ |
/* colour maps */ |
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static BOOL owncolmap; |
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63 |
static Colormap xcolmap; |
static Colormap xcolmap; |
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static uint32 white; |
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64 |
static uint32 *colmap; |
static uint32 *colmap; |
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static XIM IM = NULL; |
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static XIC IC = NULL; |
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/* Compose support */ |
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BOOL enable_compose = False; |
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65 |
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66 |
#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) |
#define SET_FOREGROUND(col) XSetForeground(display, gc, translate_colour(colmap[col])); |
67 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
#define SET_BACKGROUND(col) XSetBackground(display, gc, translate_colour(colmap[col])); |
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#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
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68 |
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69 |
static int rop2_map[] = { |
static int rop2_map[] = { |
70 |
GXclear, /* 0 */ |
GXclear, /* 0 */ |
182 |
return colour; |
return colour; |
183 |
} |
} |
184 |
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|
185 |
static unsigned long |
BOOL |
186 |
init_inputmethod(void) |
get_key_state(int keysym) |
187 |
{ |
{ |
188 |
unsigned long filtered_events = 0; |
int keysymMask = 0, modifierpos, key; |
189 |
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Window wDummy1, wDummy2; |
190 |
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int iDummy3, iDummy4, iDummy5, iDummy6; |
191 |
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unsigned int current_state; |
192 |
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int offset; |
193 |
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194 |
IM = XOpenIM(display, NULL, NULL, NULL); |
XModifierKeymap *map = XGetModifierMapping(display); |
195 |
if (IM == NULL) |
KeyCode keycode = XKeysymToKeycode(display, keysym); |
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{ |
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error("Failed to open input method\n"); |
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} |
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196 |
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197 |
if (IM != NULL) |
if (keycode == NoSymbol) |
198 |
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return False; |
199 |
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200 |
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for (modifierpos = 0; modifierpos < 8; modifierpos++) |
201 |
{ |
{ |
202 |
/* Must be done after XCreateWindow */ |
offset = map->max_keypermod * modifierpos; |
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IC = XCreateIC(IM, XNInputStyle, |
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(XIMPreeditNothing | XIMStatusNothing), |
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XNClientWindow, wnd, XNFocusWindow, wnd, NULL); |
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203 |
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204 |
if (IC == NULL) |
for (key = 0; key < map->max_keypermod; key++) |
205 |
{ |
{ |
206 |
error("Failed to create input context\n"); |
if (map->modifiermap[offset + key] == keycode) |
207 |
XCloseIM(IM); |
keysymMask = 1 << modifierpos; |
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IM = NULL; |
|
208 |
} |
} |
209 |
} |
} |
210 |
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211 |
/* For correct Multi_key/Compose processing, I guess. |
XQueryPointer(display, DefaultRootWindow(display), &wDummy1, |
212 |
It seems to work alright anyway, though. */ |
&wDummy2, &iDummy3, &iDummy4, &iDummy5, &iDummy6, ¤t_state); |
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if (IC != NULL) |
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{ |
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if (XGetICValues(IC, XNFilterEvents, &filtered_events, NULL) != NULL) |
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{ |
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error("Failed to obtain XNFilterEvents value from IC\n"); |
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filtered_events = 0; |
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} |
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} |
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return filtered_events; |
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} |
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213 |
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214 |
static void |
XFreeModifiermap(map); |
215 |
close_inputmethod(void) |
|
216 |
{ |
return (current_state & keysymMask) ? True : False; |
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if (IC != NULL) |
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{ |
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XDestroyIC(IC); |
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if (IM != NULL) |
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{ |
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XCloseIM(IM); |
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IM = NULL; |
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} |
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} |
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217 |
} |
} |
218 |
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219 |
BOOL |
BOOL |
220 |
ui_init() |
ui_init(void) |
221 |
{ |
{ |
222 |
Screen *screen; |
XPixmapFormatValues *pfm; |
223 |
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uint16 test; |
224 |
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int i; |
225 |
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|
226 |
display = XOpenDisplay(NULL); |
display = XOpenDisplay(NULL); |
227 |
if (display == NULL) |
if (display == NULL) |
228 |
{ |
{ |
229 |
error("Failed to open display\n"); |
error("Failed to open display\n"); |
230 |
return False; |
return False; |
231 |
} |
} |
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if (fullscreen) |
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{ |
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screen = DefaultScreenOfDisplay(display); |
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width = WidthOfScreen(screen); |
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height = HeightOfScreen(screen); |
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} |
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return True; |
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} |
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BOOL |
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ui_create_window(char *title) |
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{ |
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XSetWindowAttributes attribs; |
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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; |
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232 |
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233 |
x_socket = ConnectionNumber(display); |
x_socket = ConnectionNumber(display); |
234 |
screen = DefaultScreenOfDisplay(display); |
screen = DefaultScreenOfDisplay(display); |
257 |
return False; |
return False; |
258 |
} |
} |
259 |
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|
260 |
if (depth <= 8) |
xcolmap = DefaultColormapOfScreen(screen); |
261 |
owncolmap = True; |
gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); |
262 |
else |
|
263 |
xcolmap = DefaultColormapOfScreen(screen); |
if (DoesBackingStore(screen) != Always) |
264 |
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ownbackstore = True; |
265 |
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266 |
test = 1; |
test = 1; |
267 |
host_be = !(BOOL) (*(uint8 *) (&test)); |
host_be = !(BOOL) (*(uint8 *) (&test)); |
268 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
269 |
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white = WhitePixelOfScreen(screen); |
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attribs.background_pixel = BlackPixelOfScreen(screen); |
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attribs.backing_store = DoesBackingStore(screen); |
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if (attribs.backing_store == NotUseful) |
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ownbackstore = True; |
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|
270 |
if (fullscreen) |
if (fullscreen) |
271 |
{ |
{ |
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attribs.override_redirect = True; |
|
272 |
width = WidthOfScreen(screen); |
width = WidthOfScreen(screen); |
273 |
height = HeightOfScreen(screen); |
height = HeightOfScreen(screen); |
274 |
} |
} |
275 |
else |
|
276 |
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/* make sure width is a multiple of 4 */ |
277 |
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width = (width + 3) & ~3; |
278 |
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279 |
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if (ownbackstore) |
280 |
{ |
{ |
281 |
attribs.override_redirect = False; |
backstore = |
282 |
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XCreatePixmap(display, RootWindowOfScreen(screen), width, height, depth); |
283 |
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284 |
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/* clear to prevent rubbish being exposed at startup */ |
285 |
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XSetForeground(display, gc, BlackPixelOfScreen(screen)); |
286 |
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XFillRectangle(display, backstore, gc, 0, 0, width, height); |
287 |
} |
} |
288 |
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|
289 |
width = (width + 3) & ~3; /* make width a multiple of 32 bits */ |
if (enable_compose) |
290 |
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IM = XOpenIM(display, NULL, NULL, NULL); |
291 |
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|
292 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), |
xkeymap_init(); |
293 |
0, 0, width, height, 0, CopyFromParent, |
return True; |
294 |
InputOutput, CopyFromParent, |
} |
295 |
CWBackingStore | CWBackPixel | CWOverrideRedirect, &attribs); |
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296 |
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void |
297 |
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ui_deinit(void) |
298 |
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{ |
299 |
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if (IM != NULL) |
300 |
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XCloseIM(IM); |
301 |
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302 |
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if (ownbackstore) |
303 |
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XFreePixmap(display, backstore); |
304 |
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305 |
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XFreeGC(display, gc); |
306 |
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XCloseDisplay(display); |
307 |
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display = NULL; |
308 |
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} |
309 |
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310 |
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BOOL |
311 |
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ui_create_window(void) |
312 |
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{ |
313 |
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XSetWindowAttributes attribs; |
314 |
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XClassHint *classhints; |
315 |
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XSizeHints *sizehints; |
316 |
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int wndwidth, wndheight; |
317 |
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long input_mask, ic_input_mask; |
318 |
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XEvent xevent; |
319 |
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320 |
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wndwidth = fullscreen ? WidthOfScreen(screen) : width; |
321 |
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wndheight = fullscreen ? HeightOfScreen(screen) : height; |
322 |
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323 |
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attribs.background_pixel = BlackPixelOfScreen(screen); |
324 |
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attribs.backing_store = ownbackstore ? NotUseful : Always; |
325 |
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attribs.override_redirect = fullscreen; |
326 |
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327 |
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wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, wndwidth, wndheight, |
328 |
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0, CopyFromParent, InputOutput, CopyFromParent, |
329 |
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CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
330 |
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331 |
XStoreName(display, wnd, title); |
XStoreName(display, wnd, title); |
332 |
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|
348 |
XFree(sizehints); |
XFree(sizehints); |
349 |
} |
} |
350 |
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351 |
xkeymap_init2(); |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
352 |
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StructureNotifyMask | FocusChangeMask; |
353 |
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input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask; |
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if (grab_keyboard) |
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input_mask |= EnterWindowMask | LeaveWindowMask; |
|
354 |
if (sendmotion) |
if (sendmotion) |
355 |
input_mask |= PointerMotionMask; |
input_mask |= PointerMotionMask; |
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|
356 |
if (ownbackstore) |
if (ownbackstore) |
357 |
input_mask |= ExposureMask; |
input_mask |= ExposureMask; |
358 |
|
|
359 |
if (enable_compose) |
if (IM != NULL) |
360 |
input_mask |= init_inputmethod(); |
{ |
361 |
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IC = XCreateIC(IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), |
362 |
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XNClientWindow, wnd, XNFocusWindow, wnd, NULL); |
363 |
|
|
364 |
XSelectInput(display, wnd, input_mask); |
if ((IC != NULL) |
365 |
|
&& (XGetICValues(IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) |
366 |
|
input_mask |= ic_input_mask; |
367 |
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} |
368 |
|
|
369 |
gc = XCreateGC(display, wnd, 0, NULL); |
XSelectInput(display, wnd, input_mask); |
370 |
|
XMapWindow(display, wnd); |
371 |
|
|
372 |
if (ownbackstore) |
/* wait for MapNotify */ |
373 |
backstore = XCreatePixmap(display, wnd, width, height, depth); |
do |
374 |
|
{ |
375 |
|
XMaskEvent(display, StructureNotifyMask, &xevent); |
376 |
|
} |
377 |
|
while (xevent.type != MapNotify); |
378 |
|
|
379 |
XMapWindow(display, wnd); |
if (fullscreen) |
380 |
|
XSetInputFocus(display, wnd, RevertToPointerRoot, CurrentTime); |
381 |
|
|
382 |
return True; |
return True; |
383 |
} |
} |
384 |
|
|
385 |
void |
void |
386 |
ui_destroy_window() |
ui_destroy_window(void) |
387 |
{ |
{ |
388 |
if (ownbackstore) |
if (IC != NULL) |
389 |
XFreePixmap(display, backstore); |
XDestroyIC(IC); |
390 |
|
|
391 |
XFreeGC(display, gc); |
XDestroyWindow(display, wnd); |
392 |
|
} |
393 |
|
|
394 |
close_inputmethod(); |
void |
395 |
|
xwin_toggle_fullscreen(void) |
396 |
|
{ |
397 |
|
Pixmap contents = 0; |
398 |
|
|
399 |
XDestroyWindow(display, wnd); |
if (!ownbackstore) |
400 |
XCloseDisplay(display); |
{ |
401 |
display = NULL; |
/* need to save contents of window */ |
402 |
|
contents = XCreatePixmap(display, wnd, width, height, depth); |
403 |
|
XCopyArea(display, wnd, contents, gc, 0, 0, width, height, 0, 0); |
404 |
|
} |
405 |
|
|
406 |
|
ui_destroy_window(); |
407 |
|
fullscreen = !fullscreen; |
408 |
|
ui_create_window(); |
409 |
|
|
410 |
|
XDefineCursor(display, wnd, current_cursor); |
411 |
|
|
412 |
|
if (!ownbackstore) |
413 |
|
{ |
414 |
|
XCopyArea(display, contents, wnd, gc, 0, 0, width, height, 0, 0); |
415 |
|
XFreePixmap(display, contents); |
416 |
|
} |
417 |
} |
} |
418 |
|
|
419 |
|
/* Process all events in Xlib queue */ |
420 |
static void |
static void |
421 |
xwin_process_events() |
xwin_process_events(void) |
422 |
{ |
{ |
423 |
XEvent xevent; |
XEvent xevent; |
|
|
|
424 |
KeySym keysym; |
KeySym keysym; |
425 |
uint16 button, flags; |
uint16 button, flags; |
426 |
uint32 ev_time; |
uint32 ev_time; |
429 |
char str[256]; |
char str[256]; |
430 |
Status status; |
Status status; |
431 |
|
|
432 |
/* Refresh keyboard mapping if it has changed. This is important for |
while (XPending(display) > 0) |
|
Xvnc, since it allocates keycodes dynamically */ |
|
|
if (XCheckTypedEvent(display, MappingNotify, &xevent)) |
|
433 |
{ |
{ |
434 |
if (xevent.xmapping.request == MappingKeyboard |
XNextEvent(display, &xevent); |
|
|| xevent.xmapping.request == MappingModifier) |
|
|
XRefreshKeyboardMapping(&xevent.xmapping); |
|
|
} |
|
435 |
|
|
436 |
while (XCheckMaskEvent(display, ~0, &xevent)) |
if ((IC != NULL) && (XFilterEvent(&xevent, None) == True)) |
|
{ |
|
|
if (enable_compose && (XFilterEvent(&xevent, None) == True)) |
|
437 |
{ |
{ |
438 |
DEBUG_KBD(("Filtering event\n")); |
DEBUG_KBD(("Filtering event\n")); |
439 |
continue; |
continue; |
461 |
else |
else |
462 |
{ |
{ |
463 |
/* Plain old XLookupString */ |
/* Plain old XLookupString */ |
464 |
DEBUG_KBD(("No input context, using XLookupString\n")); |
DEBUG_KBD(("\nNo input context, using XLookupString\n")); |
465 |
XLookupString((XKeyEvent *) & xevent, |
XLookupString((XKeyEvent *) & xevent, |
466 |
str, sizeof(str), &keysym, NULL); |
str, sizeof(str), &keysym, NULL); |
467 |
} |
} |
468 |
|
|
469 |
ksname = get_ksname(keysym); |
ksname = get_ksname(keysym); |
470 |
DEBUG_KBD(("\nKeyPress for (keysym 0x%lx, %s)\n", keysym, ksname)); |
DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, ksname)); |
471 |
|
|
472 |
if (inhibit_key(keysym)) |
if (handle_special_keys(keysym, ev_time, True)) |
|
{ |
|
|
DEBUG_KBD(("Inhibiting key\n")); |
|
473 |
break; |
break; |
|
} |
|
474 |
|
|
475 |
tr = xkeymap_translate_key(keysym, |
tr = xkeymap_translate_key(keysym, |
476 |
xevent.xkey.keycode, xevent.xkey.state); |
xevent.xkey.keycode, xevent.xkey.state); |
477 |
|
|
|
ensure_remote_modifiers(ev_time, tr); |
|
|
|
|
478 |
if (tr.scancode == 0) |
if (tr.scancode == 0) |
479 |
break; |
break; |
480 |
|
|
481 |
|
ensure_remote_modifiers(ev_time, tr); |
482 |
|
|
483 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
484 |
break; |
break; |
485 |
case KeyRelease: |
case KeyRelease: |
490 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
491 |
ksname)); |
ksname)); |
492 |
|
|
493 |
if (inhibit_key(keysym)) |
if (handle_special_keys(keysym, ev_time, False)) |
494 |
break; |
break; |
495 |
|
|
496 |
tr = xkeymap_translate_key(keysym, |
tr = xkeymap_translate_key(keysym, |
521 |
break; |
break; |
522 |
|
|
523 |
case FocusIn: |
case FocusIn: |
524 |
/* fall through */ |
reset_modifier_keys(); |
|
case EnterNotify: |
|
525 |
if (grab_keyboard) |
if (grab_keyboard) |
526 |
XGrabKeyboard(display, wnd, True, |
XGrabKeyboard(display, wnd, True, |
527 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
GrabModeAsync, GrabModeAsync, CurrentTime); |
528 |
break; |
break; |
529 |
|
|
530 |
case FocusOut: |
case FocusOut: |
531 |
/* reset keys */ |
if (xevent.xfocus.mode == NotifyWhileGrabbed) |
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, |
|
|
KBD_FLAG_DOWN | KBD_FLAG_UP, SCANCODE_CHAR_LCTRL, 0); |
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, |
|
|
KBD_FLAG_DOWN | KBD_FLAG_UP, SCANCODE_CHAR_LALT, 0); |
|
|
/* fall through */ |
|
|
case LeaveNotify: |
|
|
if (grab_keyboard) |
|
532 |
XUngrabKeyboard(display, CurrentTime); |
XUngrabKeyboard(display, CurrentTime); |
533 |
break; |
break; |
534 |
|
|
539 |
xevent.xexpose.height, |
xevent.xexpose.height, |
540 |
xevent.xexpose.x, xevent.xexpose.y); |
xevent.xexpose.x, xevent.xexpose.y); |
541 |
break; |
break; |
542 |
|
|
543 |
|
case MappingNotify: |
544 |
|
/* Refresh keyboard mapping if it has changed. This is important for |
545 |
|
Xvnc, since it allocates keycodes dynamically */ |
546 |
|
if (xevent.xmapping.request == MappingKeyboard |
547 |
|
|| xevent.xmapping.request == MappingModifier) |
548 |
|
XRefreshKeyboardMapping(&xevent.xmapping); |
549 |
|
break; |
550 |
|
|
551 |
} |
} |
552 |
} |
} |
553 |
} |
} |
562 |
|
|
563 |
while (True) |
while (True) |
564 |
{ |
{ |
565 |
|
/* Process any events already waiting */ |
566 |
|
xwin_process_events(); |
567 |
|
|
568 |
FD_ZERO(&rfds); |
FD_ZERO(&rfds); |
569 |
FD_SET(rdp_socket, &rfds); |
FD_SET(rdp_socket, &rfds); |
570 |
if (display != NULL) |
FD_SET(x_socket, &rfds); |
|
{ |
|
|
FD_SET(x_socket, &rfds); |
|
|
XFlush(display); |
|
|
} |
|
571 |
|
|
572 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
switch (select(n, &rfds, NULL, NULL, NULL)) |
573 |
{ |
{ |
578 |
continue; |
continue; |
579 |
} |
} |
580 |
|
|
|
if (FD_ISSET(x_socket, &rfds)) |
|
|
xwin_process_events(); |
|
|
|
|
581 |
if (FD_ISSET(rdp_socket, &rfds)) |
if (FD_ISSET(rdp_socket, &rfds)) |
582 |
return; |
return; |
583 |
} |
} |
596 |
Pixmap bitmap; |
Pixmap bitmap; |
597 |
uint8 *tdata; |
uint8 *tdata; |
598 |
|
|
599 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
tdata = translate_image(width, height, data); |
600 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
601 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
602 |
(char *) tdata, width, height, 8, 0); |
(char *) tdata, width, height, 8, 0); |
604 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
605 |
|
|
606 |
XFree(image); |
XFree(image); |
607 |
if (!owncolmap) |
xfree(tdata); |
|
xfree(tdata); |
|
608 |
return (HBITMAP) bitmap; |
return (HBITMAP) bitmap; |
609 |
} |
} |
610 |
|
|
614 |
XImage *image; |
XImage *image; |
615 |
uint8 *tdata; |
uint8 *tdata; |
616 |
|
|
617 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
tdata = translate_image(width, height, data); |
618 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
619 |
(char *) tdata, width, height, 8, 0); |
(char *) tdata, width, height, 8, 0); |
620 |
|
|
629 |
} |
} |
630 |
|
|
631 |
XFree(image); |
XFree(image); |
632 |
if (!owncolmap) |
xfree(tdata); |
|
xfree(tdata); |
|
633 |
} |
} |
634 |
|
|
635 |
void |
void |
744 |
void |
void |
745 |
ui_set_cursor(HCURSOR cursor) |
ui_set_cursor(HCURSOR cursor) |
746 |
{ |
{ |
747 |
XDefineCursor(display, wnd, (Cursor) cursor); |
current_cursor = (Cursor) cursor; |
748 |
|
XDefineCursor(display, wnd, current_cursor); |
749 |
} |
} |
750 |
|
|
751 |
void |
void |
765 |
{ |
{ |
766 |
COLOURENTRY *entry; |
COLOURENTRY *entry; |
767 |
int i, ncolours = colours->ncolours; |
int i, ncolours = colours->ncolours; |
768 |
|
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
769 |
|
XColor xentry; |
770 |
|
XColor xc_cache[256]; |
771 |
|
uint32 colour; |
772 |
|
int colLookup = 256; |
773 |
|
for (i = 0; i < ncolours; i++) |
774 |
|
{ |
775 |
|
entry = &colours->colours[i]; |
776 |
|
MAKE_XCOLOR(&xentry, entry); |
777 |
|
|
778 |
|
if (XAllocColor(display, xcolmap, &xentry) == 0) |
779 |
|
{ |
780 |
|
/* Allocation failed, find closest match. */ |
781 |
|
int j = 256; |
782 |
|
int nMinDist = 3 * 256 * 256; |
783 |
|
long nDist = nMinDist; |
784 |
|
|
785 |
if (owncolmap) |
/* only get the colors once */ |
786 |
{ |
while (colLookup--) |
787 |
XColor *xcolours, *xentry; |
{ |
788 |
Colormap map; |
xc_cache[colLookup].pixel = colLookup; |
789 |
|
xc_cache[colLookup].red = xc_cache[colLookup].green = |
790 |
|
xc_cache[colLookup].blue = 0; |
791 |
|
xc_cache[colLookup].flags = 0; |
792 |
|
XQueryColor(display, |
793 |
|
DefaultColormap(display, DefaultScreen(display)), |
794 |
|
&xc_cache[colLookup]); |
795 |
|
} |
796 |
|
colLookup = 0; |
797 |
|
|
798 |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
/* approximate the pixel */ |
799 |
for (i = 0; i < ncolours; i++) |
while (j--) |
800 |
{ |
{ |
801 |
entry = &colours->colours[i]; |
if (xc_cache[j].flags) |
802 |
xentry = &xcolours[i]; |
{ |
803 |
xentry->pixel = i; |
nDist = ((long) (xc_cache[j].red >> 8) - |
804 |
MAKE_XCOLOR(xentry, entry); |
(long) (xentry.red >> 8)) * |
805 |
|
((long) (xc_cache[j].red >> 8) - |
806 |
|
(long) (xentry.red >> 8)) + |
807 |
|
((long) (xc_cache[j].green >> 8) - |
808 |
|
(long) (xentry.green >> 8)) * |
809 |
|
((long) (xc_cache[j].green >> 8) - |
810 |
|
(long) (xentry.green >> 8)) + |
811 |
|
((long) (xc_cache[j].blue >> 8) - |
812 |
|
(long) (xentry.blue >> 8)) * |
813 |
|
((long) (xc_cache[j].blue >> 8) - |
814 |
|
(long) (xentry.blue >> 8)); |
815 |
|
} |
816 |
|
if (nDist < nMinDist) |
817 |
|
{ |
818 |
|
nMinDist = nDist; |
819 |
|
xentry.pixel = j; |
820 |
|
} |
821 |
|
} |
822 |
} |
} |
823 |
|
colour = xentry.pixel; |
824 |
|
|
825 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
/* update our cache */ |
826 |
XStoreColors(display, map, xcolours, ncolours); |
if (xentry.pixel < 256) |
|
|
|
|
xfree(xcolours); |
|
|
return (HCOLOURMAP) map; |
|
|
} |
|
|
else |
|
|
{ |
|
|
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
|
|
XColor xentry; |
|
|
uint32 colour; |
|
|
|
|
|
for (i = 0; i < ncolours; i++) |
|
827 |
{ |
{ |
828 |
entry = &colours->colours[i]; |
xc_cache[xentry.pixel].red = xentry.red; |
829 |
MAKE_XCOLOR(&xentry, entry); |
xc_cache[xentry.pixel].green = xentry.green; |
830 |
|
xc_cache[xentry.pixel].blue = xentry.blue; |
|
if (XAllocColor(display, xcolmap, &xentry) != 0) |
|
|
colour = xentry.pixel; |
|
|
else |
|
|
colour = white; |
|
831 |
|
|
|
/* byte swap here to make translate_image faster */ |
|
|
map[i] = translate_colour(colour); |
|
832 |
} |
} |
833 |
|
|
834 |
return map; |
|
835 |
|
/* byte swap here to make translate_image faster */ |
836 |
|
map[i] = translate_colour(colour); |
837 |
} |
} |
838 |
|
|
839 |
|
return map; |
840 |
} |
} |
841 |
|
|
842 |
void |
void |
843 |
ui_destroy_colourmap(HCOLOURMAP map) |
ui_destroy_colourmap(HCOLOURMAP map) |
844 |
{ |
{ |
845 |
if (owncolmap) |
xfree(map); |
|
XFreeColormap(display, (Colormap) map); |
|
|
else |
|
|
xfree(map); |
|
846 |
} |
} |
847 |
|
|
848 |
void |
void |
849 |
ui_set_colourmap(HCOLOURMAP map) |
ui_set_colourmap(HCOLOURMAP map) |
850 |
{ |
{ |
851 |
if (owncolmap) |
colmap = map; |
|
XSetWindowColormap(display, wnd, (Colormap) map); |
|
|
else |
|
|
colmap = map; |
|
852 |
} |
} |
853 |
|
|
854 |
void |
void |
864 |
} |
} |
865 |
|
|
866 |
void |
void |
867 |
ui_reset_clip() |
ui_reset_clip(void) |
868 |
{ |
{ |
869 |
XRectangle rect; |
XRectangle rect; |
870 |
|
|
876 |
} |
} |
877 |
|
|
878 |
void |
void |
879 |
ui_bell() |
ui_bell(void) |
880 |
{ |
{ |
881 |
XBell(display, 0); |
XBell(display, 0); |
882 |
} |
} |