--- sourceforge.net/trunk/rdesktop/xwin.c 2002/09/16 13:19:54 164 +++ sourceforge.net/trunk/rdesktop/xwin.c 2002/09/25 14:33:36 201 @@ -22,10 +22,7 @@ #include #include #include -#define XK_MISCELLANY -#include #include "rdesktop.h" -#include "scancodes.h" extern int width; extern int height; @@ -33,6 +30,7 @@ extern BOOL fullscreen; extern BOOL grab_keyboard; extern char title[]; +BOOL enable_compose = False; Display *display; static int x_socket; @@ -42,6 +40,9 @@ static Visual *visual; static int depth; static int bpp; +static XIM IM; +static XIC IC; +static Cursor current_cursor; /* endianness */ static BOOL host_be; @@ -59,21 +60,11 @@ } /* colour maps */ -static BOOL owncolmap; static Colormap xcolmap; static uint32 *colmap; -/* Compose support */ -BOOL enable_compose = False; -static XIM IM = NULL; -static XIC IC = NULL; - -/* toggle fullscreen globals */ -static unsigned long input_mask; - -#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) -#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); -#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); +#define SET_FOREGROUND(col) XSetForeground(display, gc, translate_colour(colmap[col])); +#define SET_BACKGROUND(col) XSetBackground(display, gc, translate_colour(colmap[col])); static int rop2_map[] = { GXclear, /* 0 */ @@ -191,59 +182,6 @@ return colour; } -static unsigned long -init_inputmethod(void) -{ - unsigned long filtered_events = 0; - - IM = XOpenIM(display, NULL, NULL, NULL); - if (IM == NULL) - { - error("Failed to open input method\n"); - } - - if (IM != NULL) - { - /* Must be done after XCreateWindow */ - IC = XCreateIC(IM, XNInputStyle, - (XIMPreeditNothing | XIMStatusNothing), - XNClientWindow, wnd, XNFocusWindow, wnd, NULL); - - if (IC == NULL) - { - error("Failed to create input context\n"); - XCloseIM(IM); - IM = NULL; - } - } - - /* For correct Multi_key/Compose processing, I guess. - It seems to work alright anyway, though. */ - if (IC != NULL) - { - if (XGetICValues(IC, XNFilterEvents, &filtered_events, NULL) != NULL) - { - error("Failed to obtain XNFilterEvents value from IC\n"); - filtered_events = 0; - } - } - return filtered_events; -} - -static void -close_inputmethod(void) -{ - if (IC != NULL) - { - XDestroyIC(IC); - if (IM != NULL) - { - XCloseIM(IM); - IM = NULL; - } - } -} - BOOL get_key_state(int keysym) { @@ -278,22 +216,8 @@ return (current_state & keysymMask) ? True : False; } -static void -xwin_map_window() -{ - XEvent xevent; - - XMapWindow(display, wnd); - - /* wait for VisibilityChange */ - XMaskEvent(display, VisibilityChangeMask, &xevent); - - if (fullscreen) - XSetInputFocus(display, wnd, RevertToPointerRoot, CurrentTime); -} - BOOL -ui_init() +ui_init(void) { XPixmapFormatValues *pfm; uint16 test; @@ -333,12 +257,10 @@ return False; } - if (depth <= 8) - owncolmap = True; - else - xcolmap = DefaultColormapOfScreen(screen); + xcolmap = DefaultColormapOfScreen(screen); + gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); - if (DoesBackingStore(screen) == NotUseful) + if (DoesBackingStore(screen) != Always) ownbackstore = True; test = 1; @@ -354,28 +276,58 @@ /* make sure width is a multiple of 4 */ width = (width + 3) & ~3; + if (ownbackstore) + { + backstore = + XCreatePixmap(display, RootWindowOfScreen(screen), width, height, depth); + + /* clear to prevent rubbish being exposed at startup */ + XSetForeground(display, gc, BlackPixelOfScreen(screen)); + XFillRectangle(display, backstore, gc, 0, 0, width, height); + } + + if (enable_compose) + IM = XOpenIM(display, NULL, NULL, NULL); + xkeymap_init(); return True; } +void +ui_deinit(void) +{ + if (IM != NULL) + XCloseIM(IM); + + if (ownbackstore) + XFreePixmap(display, backstore); + + XFreeGC(display, gc); + XCloseDisplay(display); + display = NULL; +} + BOOL -ui_create_window() +ui_create_window(void) { XSetWindowAttributes attribs; XClassHint *classhints; XSizeHints *sizehints; + int wndwidth, wndheight; + long input_mask, ic_input_mask; XEvent xevent; + wndwidth = fullscreen ? WidthOfScreen(screen) : width; + wndheight = fullscreen ? HeightOfScreen(screen) : height; + attribs.background_pixel = BlackPixelOfScreen(screen); attribs.backing_store = ownbackstore ? NotUseful : Always; attribs.override_redirect = fullscreen; - wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, width, height, + + wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, wndwidth, wndheight, 0, CopyFromParent, InputOutput, CopyFromParent, CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); - if (ownbackstore) - backstore = XCreatePixmap(display, wnd, width, height, depth); - XStoreName(display, wnd, title); classhints = XAllocClassHint(); @@ -397,79 +349,76 @@ } input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | - VisibilityChangeMask | FocusChangeMask; + StructureNotifyMask | FocusChangeMask; - if (grab_keyboard) - input_mask |= EnterWindowMask | LeaveWindowMask; if (sendmotion) input_mask |= PointerMotionMask; if (ownbackstore) input_mask |= ExposureMask; - if (enable_compose) - input_mask |= init_inputmethod(); + + if (IM != NULL) + { + IC = XCreateIC(IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), + XNClientWindow, wnd, XNFocusWindow, wnd, NULL); + + if ((IC != NULL) + && (XGetICValues(IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) + input_mask |= ic_input_mask; + } XSelectInput(display, wnd, input_mask); + XMapWindow(display, wnd); - xwin_map_window(); + /* wait for MapNotify */ + do + { + XMaskEvent(display, StructureNotifyMask, &xevent); + } + while (xevent.type != MapNotify); - /* clear the window so that cached data is not seen */ - gc = XCreateGC(display, wnd, 0, NULL); - XSetForeground(display, gc, 0); - FILL_RECTANGLE(0, 0, width, height); + if (fullscreen) + XSetInputFocus(display, wnd, RevertToPointerRoot, CurrentTime); return True; } void -ui_destroy_window() +ui_destroy_window(void) { - if (ownbackstore) - XFreePixmap(display, backstore); - - XFreeGC(display, gc); - - close_inputmethod(); + if (IC != NULL) + XDestroyIC(IC); XDestroyWindow(display, wnd); - XCloseDisplay(display); - display = NULL; -} - -static void -xwin_reset_keys() -{ - /* reset keys */ - uint32 ev_time; - ev_time = time(NULL); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); - rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); } void -xwin_toggle_fullscreen() +xwin_toggle_fullscreen(void) { - XEvent xevent; - XSetWindowAttributes attribs; - int newwidth, newheight; + Pixmap contents = 0; + if (!ownbackstore) + { + /* need to save contents of window */ + contents = XCreatePixmap(display, wnd, width, height, depth); + XCopyArea(display, wnd, contents, gc, 0, 0, width, height, 0, 0); + } + + ui_destroy_window(); fullscreen = !fullscreen; - newwidth = fullscreen ? WidthOfScreen(screen) : width; - newheight = fullscreen ? HeightOfScreen(screen) : height; + ui_create_window(); - XUnmapWindow(display, wnd); - attribs.override_redirect = fullscreen; - XMoveResizeWindow(display, wnd, 0, 0, newwidth, newheight); - XChangeWindowAttributes(display, wnd, CWOverrideRedirect, &attribs); - xwin_map_window(); + XDefineCursor(display, wnd, current_cursor); + + if (!ownbackstore) + { + XCopyArea(display, contents, wnd, gc, 0, 0, width, height, 0, 0); + XFreePixmap(display, contents); + } } /* Process all events in Xlib queue */ static void -xwin_process_events() +xwin_process_events(void) { XEvent xevent; KeySym keysym; @@ -484,7 +433,7 @@ { XNextEvent(display, &xevent); - if (enable_compose && (XFilterEvent(&xevent, None) == True)) + if ((IC != NULL) && (XFilterEvent(&xevent, None) == True)) { DEBUG_KBD(("Filtering event\n")); continue; @@ -512,13 +461,13 @@ else { /* Plain old XLookupString */ - DEBUG_KBD(("No input context, using XLookupString\n")); + DEBUG_KBD(("\nNo input context, using XLookupString\n")); XLookupString((XKeyEvent *) & xevent, str, sizeof(str), &keysym, NULL); } ksname = get_ksname(keysym); - DEBUG_KBD(("\nKeyPress for (keysym 0x%lx, %s)\n", keysym, ksname)); + DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, ksname)); if (handle_special_keys(keysym, ev_time, True)) break; @@ -571,19 +520,16 @@ MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); break; - case EnterNotify: + case FocusIn: + reset_modifier_keys(); if (grab_keyboard) XGrabKeyboard(display, wnd, True, GrabModeAsync, GrabModeAsync, CurrentTime); break; - case LeaveNotify: - if (grab_keyboard) - XUngrabKeyboard(display, CurrentTime); - break; - case FocusOut: - xwin_reset_keys(); + if (xevent.xfocus.mode == NotifyWhileGrabbed) + XUngrabKeyboard(display, CurrentTime); break; case Expose: @@ -650,7 +596,7 @@ Pixmap bitmap; uint8 *tdata; - tdata = (owncolmap ? data : translate_image(width, height, data)); + tdata = translate_image(width, height, data); bitmap = XCreatePixmap(display, wnd, width, height, depth); image = XCreateImage(display, visual, depth, ZPixmap, 0, (char *) tdata, width, height, 8, 0); @@ -658,8 +604,7 @@ XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); XFree(image); - if (!owncolmap) - xfree(tdata); + xfree(tdata); return (HBITMAP) bitmap; } @@ -669,7 +614,7 @@ XImage *image; uint8 *tdata; - tdata = (owncolmap ? data : translate_image(width, height, data)); + tdata = translate_image(width, height, data); image = XCreateImage(display, visual, depth, ZPixmap, 0, (char *) tdata, width, height, 8, 0); @@ -684,8 +629,7 @@ } XFree(image); - if (!owncolmap) - xfree(tdata); + xfree(tdata); } void @@ -800,7 +744,8 @@ void ui_set_cursor(HCURSOR cursor) { - XDefineCursor(display, wnd, (Cursor) cursor); + current_cursor = (Cursor) cursor; + XDefineCursor(display, wnd, current_cursor); } void @@ -820,67 +765,90 @@ { COLOURENTRY *entry; int i, ncolours = colours->ncolours; + uint32 *map = xmalloc(sizeof(*colmap) * ncolours); + XColor xentry; + XColor xc_cache[256]; + uint32 colour; + int colLookup = 256; + for (i = 0; i < ncolours; i++) + { + entry = &colours->colours[i]; + MAKE_XCOLOR(&xentry, entry); + + if (XAllocColor(display, xcolmap, &xentry) == 0) + { + /* Allocation failed, find closest match. */ + int j = 256; + int nMinDist = 3 * 256 * 256; + long nDist = nMinDist; - if (owncolmap) - { - XColor *xcolours, *xentry; - Colormap map; + /* only get the colors once */ + while (colLookup--) + { + xc_cache[colLookup].pixel = colLookup; + xc_cache[colLookup].red = xc_cache[colLookup].green = + xc_cache[colLookup].blue = 0; + xc_cache[colLookup].flags = 0; + XQueryColor(display, + DefaultColormap(display, DefaultScreen(display)), + &xc_cache[colLookup]); + } + colLookup = 0; - xcolours = xmalloc(sizeof(XColor) * ncolours); - for (i = 0; i < ncolours; i++) - { - entry = &colours->colours[i]; - xentry = &xcolours[i]; - xentry->pixel = i; - MAKE_XCOLOR(xentry, entry); + /* approximate the pixel */ + while (j--) + { + if (xc_cache[j].flags) + { + nDist = ((long) (xc_cache[j].red >> 8) - + (long) (xentry.red >> 8)) * + ((long) (xc_cache[j].red >> 8) - + (long) (xentry.red >> 8)) + + ((long) (xc_cache[j].green >> 8) - + (long) (xentry.green >> 8)) * + ((long) (xc_cache[j].green >> 8) - + (long) (xentry.green >> 8)) + + ((long) (xc_cache[j].blue >> 8) - + (long) (xentry.blue >> 8)) * + ((long) (xc_cache[j].blue >> 8) - + (long) (xentry.blue >> 8)); + } + if (nDist < nMinDist) + { + nMinDist = nDist; + xentry.pixel = j; + } + } } + colour = xentry.pixel; - map = XCreateColormap(display, wnd, visual, AllocAll); - XStoreColors(display, map, xcolours, ncolours); - - xfree(xcolours); - return (HCOLOURMAP) map; - } - else - { - uint32 *map = xmalloc(sizeof(*colmap) * ncolours); - XColor xentry; - uint32 colour; - - for (i = 0; i < ncolours; i++) + /* update our cache */ + if (xentry.pixel < 256) { - entry = &colours->colours[i]; - MAKE_XCOLOR(&xentry, entry); - - if (XAllocColor(display, xcolmap, &xentry) != 0) - colour = xentry.pixel; - else - colour = WhitePixelOfScreen(screen); + xc_cache[xentry.pixel].red = xentry.red; + xc_cache[xentry.pixel].green = xentry.green; + xc_cache[xentry.pixel].blue = xentry.blue; - /* byte swap here to make translate_image faster */ - map[i] = translate_colour(colour); } - return map; + + /* byte swap here to make translate_image faster */ + map[i] = translate_colour(colour); } + + return map; } void ui_destroy_colourmap(HCOLOURMAP map) { - if (owncolmap) - XFreeColormap(display, (Colormap) map); - else - xfree(map); + xfree(map); } void ui_set_colourmap(HCOLOURMAP map) { - if (owncolmap) - XSetWindowColormap(display, wnd, (Colormap) map); - else - colmap = map; + colmap = map; } void @@ -896,7 +864,7 @@ } void -ui_reset_clip() +ui_reset_clip(void) { XRectangle rect; @@ -908,7 +876,7 @@ } void -ui_bell() +ui_bell(void) { XBell(display, 0); }