--- sourceforge.net/trunk/rdesktop/xwin.c 2000/10/16 08:44:48 21 +++ sourceforge.net/trunk/rdesktop/xwin.c 2002/09/26 14:04:30 203 @@ -1,240 +1,650 @@ /* rdesktop: A Remote Desktop Protocol client. - User interface services - X-Windows - Copyright (C) Matthew Chapman 1999-2000 - + User interface services - X Window System + Copyright (C) Matthew Chapman 1999-2001 + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include +#include #include +#include #include "rdesktop.h" extern int width; extern int height; -extern BOOL motion; - -static Display *display; +extern BOOL sendmotion; +extern BOOL fullscreen; +extern BOOL grab_keyboard; +extern char title[]; +BOOL enable_compose = False; + +Display *display; +static int x_socket; +static Screen *screen; static Window wnd; static GC gc; static Visual *visual; +static int depth; +static int bpp; static XIM IM; +static XIC IC; +static XModifierKeymap *mod_map; +static Cursor current_cursor; + +/* endianness */ +static BOOL host_be; +static BOOL xserver_be; + +/* software backing store */ +static BOOL ownbackstore; +static Pixmap backstore; + +#define FILL_RECTANGLE(x,y,cx,cy)\ +{ \ + XFillRectangle(display, wnd, gc, x, y, cx, cy); \ + if (ownbackstore) \ + XFillRectangle(display, backstore, gc, x, y, cx, cy); \ +} + +/* colour maps */ +static Colormap xcolmap; +static uint32 *colmap; + +#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 */ + GXnor, /* DPon */ + GXandInverted, /* DPna */ + GXcopyInverted, /* Pn */ + GXandReverse, /* PDna */ + GXinvert, /* Dn */ + GXxor, /* DPx */ + GXnand, /* DPan */ + GXand, /* DPa */ + GXequiv, /* DPxn */ + GXnoop, /* D */ + GXorInverted, /* DPno */ + GXcopy, /* P */ + GXorReverse, /* PDno */ + GXor, /* DPo */ + GXset /* 1 */ +}; + +#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } +#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } -BOOL ui_create_window(char *title) +static void +translate8(uint8 * data, uint8 * out, uint8 * end) { - Screen *screen; - XSetWindowAttributes attribs; - unsigned long input_mask; + while (out < end) + *(out++) = (uint8) colmap[*(data++)]; +} + +static void +translate16(uint8 * data, uint16 * out, uint16 * end) +{ + while (out < end) + *(out++) = (uint16) colmap[*(data++)]; +} + +/* little endian - conversion happens when colourmap is built */ +static void +translate24(uint8 * data, uint8 * out, uint8 * end) +{ + uint32 value; + + while (out < end) + { + value = colmap[*(data++)]; + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + } +} + +static void +translate32(uint8 * data, uint32 * out, uint32 * end) +{ + while (out < end) + *(out++) = colmap[*(data++)]; +} + +static uint8 * +translate_image(int width, int height, uint8 * data) +{ + int size = width * height * bpp / 8; + uint8 *out = xmalloc(size); + uint8 *end = out + size; + + switch (bpp) + { + case 8: + translate8(data, out, end); + break; + + case 16: + translate16(data, (uint16 *) out, (uint16 *) end); + break; + + case 24: + translate24(data, out, end); + break; + + case 32: + translate32(data, (uint32 *) out, (uint32 *) end); + break; + } + + return out; +} + +#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } +#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } +#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ + x = (x << 16) | (x >> 16); } + +static uint32 +translate_colour(uint32 colour) +{ + switch (bpp) + { + case 16: + if (host_be != xserver_be) + BSWAP16(colour); + break; + + case 24: + if (xserver_be) + BSWAP24(colour); + break; + + case 32: + if (host_be != xserver_be) + BSWAP32(colour); + break; + } + + return colour; +} + +BOOL +get_key_state(uint32 keysym, unsigned int state) +{ + int modifierpos, key, keysymMask = 0; + int offset; + + KeyCode keycode = XKeysymToKeycode(display, keysym); + + if (keycode == NoSymbol) + return False; + + for (modifierpos = 0; modifierpos < 8; modifierpos++) + { + offset = mod_map->max_keypermod * modifierpos; + + for (key = 0; key < mod_map->max_keypermod; key++) + { + if (mod_map->modifiermap[offset + key] == keycode) + keysymMask |= 1 << modifierpos; + } + } + + return (state & keysymMask) ? True : False; +} + +BOOL +ui_init(void) +{ + XPixmapFormatValues *pfm; + uint16 test; int i; display = XOpenDisplay(NULL); if (display == NULL) { - ERROR("Failed to open display\n"); + error("Failed to open display\n"); return False; } - /* Check the screen supports 8-bit depth. */ + x_socket = ConnectionNumber(display); screen = DefaultScreenOfDisplay(display); - for (i = 0; i < screen->ndepths; i++) - if (screen->depths[i].depth == 8) - break; + visual = DefaultVisualOfScreen(screen); + depth = DefaultDepthOfScreen(screen); - if (i >= screen->ndepths) + pfm = XListPixmapFormats(display, &i); + if (pfm != NULL) { - ERROR("8-bit depth required (in this version).\n"); + /* Use maximum bpp for this depth - this is generally + desirable, e.g. 24 bits->32 bits. */ + while (i--) + { + if ((pfm[i].depth == depth) && (pfm[i].bits_per_pixel > bpp)) + { + bpp = pfm[i].bits_per_pixel; + } + } + XFree(pfm); + } + + if (bpp < 8) + { + error("Less than 8 bpp not currently supported.\n"); XCloseDisplay(display); return False; } - visual = DefaultVisual(display, DefaultScreen(display)); + xcolmap = DefaultColormapOfScreen(screen); + gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); - attribs.background_pixel = BlackPixel(display, DefaultScreen(display)); - attribs.backing_store = Always; - wnd = XCreateWindow(display, DefaultRootWindow(display), - 0, 0, width, height, 0, 8, InputOutput, visual, - CWBackingStore | CWBackPixel, &attribs); + if (DoesBackingStore(screen) != Always) + ownbackstore = True; - XStoreName(display, wnd, title); - XMapWindow(display, wnd); + test = 1; + host_be = !(BOOL) (*(uint8 *) (&test)); + xserver_be = (ImageByteOrder(display) == MSBFirst); - input_mask = KeyPressMask | KeyReleaseMask; - input_mask |= ButtonPressMask | ButtonReleaseMask; - if (motion) - input_mask |= PointerMotionMask; + if (fullscreen) + { + width = WidthOfScreen(screen); + height = HeightOfScreen(screen); + } - XSelectInput(display, wnd, input_mask); - gc = XCreateGC(display, wnd, 0, NULL); + /* make sure width is a multiple of 4 */ + width = (width + 3) & ~3; - IM = XOpenIM(display, NULL, NULL, NULL); + 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); + } + + mod_map = XGetModifierMapping(display); + + if (enable_compose) + IM = XOpenIM(display, NULL, NULL, NULL); + + xkeymap_init(); return True; } -void ui_destroy_window() +void +ui_deinit(void) { - XCloseIM(IM); + if (IM != NULL) + XCloseIM(IM); + + XFreeModifierMap(mod_map); + + if (ownbackstore) + XFreePixmap(display, backstore); + XFreeGC(display, gc); - XDestroyWindow(display, wnd); XCloseDisplay(display); + display = NULL; } -static uint8 xwin_translate_key(unsigned long key) +BOOL +ui_create_window(void) { - DEBUG("KEY(code=0x%lx)\n", key); + 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, wndwidth, wndheight, + 0, CopyFromParent, InputOutput, CopyFromParent, + CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); - if ((key > 8) && (key <= 0x60)) - return (key - 8); + XStoreName(display, wnd, title); - switch (key) + classhints = XAllocClassHint(); + if (classhints != NULL) { - case 0x62: /* left arrow */ - return 0x48; - case 0x64: /* up arrow */ - return 0x4b; - case 0x66: /* down arrow */ - return 0x4d; - case 0x68: /* right arrow */ - return 0x50; - case 0x73: /* Windows key */ - DEBUG("CHECKPOINT\n"); + classhints->res_name = classhints->res_class = "rdesktop"; + XSetClassHint(display, wnd, classhints); + XFree(classhints); } - return 0; + sizehints = XAllocSizeHints(); + if (sizehints) + { + sizehints->flags = PMinSize | PMaxSize; + sizehints->min_width = sizehints->max_width = width; + sizehints->min_height = sizehints->max_height = height; + XSetWMNormalHints(display, wnd, sizehints); + XFree(sizehints); + } + + input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | + StructureNotifyMask | FocusChangeMask; + + if (sendmotion) + input_mask |= PointerMotionMask; + if (ownbackstore) + input_mask |= ExposureMask; + + 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); + + /* wait for MapNotify */ + do + { + XMaskEvent(display, StructureNotifyMask, &xevent); + } + while (xevent.type != MapNotify); + + if (fullscreen) + XSetInputFocus(display, wnd, RevertToPointerRoot, CurrentTime); + + return True; +} + +void +ui_destroy_window(void) +{ + if (IC != NULL) + XDestroyIC(IC); + + XDestroyWindow(display, wnd); } -static uint16 xwin_translate_mouse(unsigned long button) +void +xwin_toggle_fullscreen(void) { - switch (button) + Pixmap contents = 0; + + if (!ownbackstore) { - case Button1: /* left */ - return MOUSE_FLAG_BUTTON1; - case Button2: /* middle */ - return MOUSE_FLAG_BUTTON3; - case Button3: /* right */ - return MOUSE_FLAG_BUTTON2; + /* need to save contents of window */ + contents = XCreatePixmap(display, wnd, width, height, depth); + XCopyArea(display, wnd, contents, gc, 0, 0, width, height, 0, 0); } - return 0; + ui_destroy_window(); + fullscreen = !fullscreen; + ui_create_window(); + + XDefineCursor(display, wnd, current_cursor); + + if (!ownbackstore) + { + XCopyArea(display, contents, wnd, gc, 0, 0, width, height, 0, 0); + XFreePixmap(display, contents); + } } -void ui_process_events() -{ - XEvent event; - uint8 scancode; - uint16 button; +/* Process all events in Xlib queue */ +static void +xwin_process_events(void) +{ + XEvent xevent; + KeySym keysym; + uint16 button, flags; uint32 ev_time; + key_translation tr; + char str[256]; + Status status; + unsigned int state; + Window wdummy; + int dummy; - if (display == NULL) - return; - - while (XCheckWindowEvent(display, wnd, 0xffffffff, &event)) + while (XPending(display) > 0) { - ev_time = time(NULL); + XNextEvent(display, &xevent); + + if ((IC != NULL) && (XFilterEvent(&xevent, None) == True)) + { + DEBUG_KBD(("Filtering event\n")); + continue; + } - switch (event.type) + flags = 0; + + switch (xevent.type) { case KeyPress: - scancode = xwin_translate_key(event.xkey.keycode); - if (scancode == 0) + if (IC != NULL) + /* Multi_key compatible version */ + { + XmbLookupString(IC, + (XKeyPressedEvent *) & + xevent, str, sizeof(str), &keysym, &status); + if (!((status == XLookupKeySym) || (status == XLookupBoth))) + { + error("XmbLookupString failed with status 0x%x\n", + status); + break; + } + } + else + { + /* Plain old XLookupString */ + DEBUG_KBD(("\nNo input context, using XLookupString\n")); + XLookupString((XKeyEvent *) & xevent, + str, sizeof(str), &keysym, NULL); + } + + DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym))); + + ev_time = time(NULL); + if (handle_special_keys(keysym, xevent.xkey.state, ev_time, True)) break; - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, 0, - scancode, 0); - break; + tr = xkeymap_translate_key(keysym, + xevent.xkey.keycode, xevent.xkey.state); - case KeyRelease: - scancode = xwin_translate_key(event.xkey.keycode); - if (scancode == 0) + if (tr.scancode == 0) break; - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, - KBD_FLAG_DOWN | KBD_FLAG_UP, - scancode, 0); + ensure_remote_modifiers(ev_time, tr); + + rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); break; - case ButtonPress: - button = xwin_translate_mouse(event.xbutton.button); + case KeyRelease: + XLookupString((XKeyEvent *) & xevent, str, + sizeof(str), &keysym, NULL); - if (button == 0) + DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, + get_ksname(keysym))); + + ev_time = time(NULL); + if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False)) + break; + + tr = xkeymap_translate_key(keysym, + xevent.xkey.keycode, xevent.xkey.state); + + if (tr.scancode == 0) break; - rdp_send_input(ev_time, RDP_INPUT_MOUSE, - button | MOUSE_FLAG_DOWN, - event.xbutton.x, - event.xbutton.y); + rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); break; + case ButtonPress: + flags = MOUSE_FLAG_DOWN; + /* fall through */ + case ButtonRelease: - button = xwin_translate_mouse(event.xbutton.button); + button = xkeymap_translate_button(xevent.xbutton.button); if (button == 0) break; - rdp_send_input(ev_time, RDP_INPUT_MOUSE, - button, - event.xbutton.x, - event.xbutton.y); + rdp_send_input(time(NULL), RDP_INPUT_MOUSE, + flags | button, xevent.xbutton.x, xevent.xbutton.y); break; case MotionNotify: - rdp_send_input(ev_time, RDP_INPUT_MOUSE, - MOUSE_FLAG_MOVE, - event.xmotion.x, - event.xmotion.y); + rdp_send_input(time(NULL), RDP_INPUT_MOUSE, + MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); + break; + + case FocusIn: + XQueryPointer(display, wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); + reset_modifier_keys(state); + if (grab_keyboard) + XGrabKeyboard(display, wnd, True, + GrabModeAsync, GrabModeAsync, CurrentTime); + break; + + case FocusOut: + if (xevent.xfocus.mode == NotifyWhileGrabbed) + XUngrabKeyboard(display, CurrentTime); + break; + + case Expose: + XCopyArea(display, backstore, wnd, gc, + xevent.xexpose.x, xevent.xexpose.y, + xevent.xexpose.width, + xevent.xexpose.height, + xevent.xexpose.x, xevent.xexpose.y); + break; + + case MappingNotify: + /* Refresh keyboard mapping if it has changed. This is important for + Xvnc, since it allocates keycodes dynamically */ + if (xevent.xmapping.request == MappingKeyboard + || xevent.xmapping.request == MappingModifier) + XRefreshKeyboardMapping(&xevent.xmapping); + + if (xevent.xmapping.request == MappingModifier) + { + XFreeModifierMap(mod_map); + mod_map = XGetModifierMapping(display); + } + break; + + } + } +} + +void +ui_select(int rdp_socket) +{ + int n = (rdp_socket > x_socket) ? rdp_socket + 1 : x_socket + 1; + fd_set rfds; + + FD_ZERO(&rfds); + + while (True) + { + /* Process any events already waiting */ + xwin_process_events(); + + FD_ZERO(&rfds); + FD_SET(rdp_socket, &rfds); + FD_SET(x_socket, &rfds); + + switch (select(n, &rfds, NULL, NULL, NULL)) + { + case -1: + error("select: %s\n", strerror(errno)); + + case 0: + continue; } + + if (FD_ISSET(rdp_socket, &rfds)) + return; } } -void ui_move_pointer(int x, int y) +void +ui_move_pointer(int x, int y) { XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); } -HBITMAP ui_create_bitmap(int width, int height, uint8 *data) +HBITMAP +ui_create_bitmap(int width, int height, uint8 * data) { XImage *image; Pixmap bitmap; + uint8 *tdata; - bitmap = XCreatePixmap(display, wnd, width, height, 8); + 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); - image = XCreateImage(display, visual, 8, ZPixmap, 0, - data, width, height, 8, width); - XSetFunction(display, gc, GXcopy); XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); + XFree(image); - - return (HBITMAP)bitmap; + xfree(tdata); + return (HBITMAP) bitmap; } -void ui_paint_bitmap(int x, int y, int cx, int cy, - int width, int height, uint8 *data) +void +ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) { XImage *image; + uint8 *tdata; + + tdata = translate_image(width, height, data); + image = XCreateImage(display, visual, depth, ZPixmap, 0, + (char *) tdata, width, height, 8, 0); + + if (ownbackstore) + { + XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); + XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); + } + else + { + XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); + } - image = XCreateImage(display, visual, 8, ZPixmap, 0, - data, width, height, 8, width); - XSetFunction(display, gc, GXcopy); - XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); - XFree(image); + XFree(image); + xfree(tdata); } -void ui_destroy_bitmap(HBITMAP bmp) +void +ui_destroy_bitmap(HBITMAP bmp) { - XFreePixmap(display, (Pixmap)bmp); + XFreePixmap(display, (Pixmap) bmp); } -HGLYPH ui_create_glyph(int width, int height, uint8 *data) +HGLYPH +ui_create_glyph(int width, int height, uint8 * data) { XImage *image; Pixmap bitmap; @@ -246,59 +656,208 @@ bitmap = XCreatePixmap(display, wnd, width, height, 1); gc = XCreateGC(display, bitmap, 0, NULL); - image = XCreateImage(display, visual, 1, ZPixmap, 0, - data, width, height, 8, scanline); - XSetFunction(display, gc, GXcopy); + image = XCreateImage(display, visual, 1, ZPixmap, 0, (char *) data, + width, height, 8, scanline); + image->byte_order = MSBFirst; + image->bitmap_bit_order = MSBFirst; + XInitImage(image); + XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); + XFree(image); XFreeGC(display, gc); - - return (HGLYPH)bitmap; + return (HGLYPH) bitmap; +} + +void +ui_destroy_glyph(HGLYPH glyph) +{ + XFreePixmap(display, (Pixmap) glyph); +} + +HCURSOR +ui_create_cursor(unsigned int x, unsigned int y, int width, int height, + uint8 * andmask, uint8 * xormask) +{ + HGLYPH maskglyph, cursorglyph; + XColor bg, fg; + Cursor xcursor; + uint8 *cursor, *pcursor; + uint8 *mask, *pmask; + uint8 nextbit; + int scanline, offset; + int i, j; + + scanline = (width + 7) / 8; + offset = scanline * height; + + cursor = xmalloc(offset); + memset(cursor, 0, offset); + + mask = xmalloc(offset); + memset(mask, 0, offset); + + /* approximate AND and XOR masks with a monochrome X pointer */ + for (i = 0; i < height; i++) + { + offset -= scanline; + pcursor = &cursor[offset]; + pmask = &mask[offset]; + + for (j = 0; j < scanline; j++) + { + for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) + { + if (xormask[0] || xormask[1] || xormask[2]) + { + *pcursor |= (~(*andmask) & nextbit); + *pmask |= nextbit; + } + else + { + *pcursor |= ((*andmask) & nextbit); + *pmask |= (~(*andmask) & nextbit); + } + + xormask += 3; + } + + andmask++; + pcursor++; + pmask++; + } + } + + fg.red = fg.blue = fg.green = 0xffff; + bg.red = bg.blue = bg.green = 0x0000; + fg.flags = bg.flags = DoRed | DoBlue | DoGreen; + + cursorglyph = ui_create_glyph(width, height, cursor); + maskglyph = ui_create_glyph(width, height, mask); + + xcursor = + XCreatePixmapCursor(display, (Pixmap) cursorglyph, + (Pixmap) maskglyph, &fg, &bg, x, y); + + ui_destroy_glyph(maskglyph); + ui_destroy_glyph(cursorglyph); + xfree(mask); + xfree(cursor); + return (HCURSOR) xcursor; } -void ui_destroy_glyph(HGLYPH glyph) +void +ui_set_cursor(HCURSOR cursor) { - XFreePixmap(display, (Pixmap)glyph); + current_cursor = (Cursor) cursor; + XDefineCursor(display, wnd, current_cursor); } -HCOLOURMAP ui_create_colourmap(COLOURMAP *colours) +void +ui_destroy_cursor(HCURSOR cursor) +{ + XFreeCursor(display, (Cursor) cursor); +} + +#define MAKE_XCOLOR(xc,c) \ + (xc)->red = ((c)->red << 8) | (c)->red; \ + (xc)->green = ((c)->green << 8) | (c)->green; \ + (xc)->blue = ((c)->blue << 8) | (c)->blue; \ + (xc)->flags = DoRed | DoGreen | DoBlue; + +HCOLOURMAP +ui_create_colourmap(COLOURMAP * colours) { COLOURENTRY *entry; - XColor *xcolours, *xentry; - Colormap map; int i, ncolours = colours->ncolours; - - xcolours = xmalloc(sizeof(XColor) * 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]; - xentry = &xcolours[i]; + MAKE_XCOLOR(&xentry, entry); - xentry->pixel = i; - xentry->red = entry->red << 8; - xentry->blue = entry->blue << 8; - xentry->green = entry->green << 8; - xentry->flags = DoRed | DoBlue | DoGreen; - } + if (XAllocColor(display, xcolmap, &xentry) == 0) + { + /* Allocation failed, find closest match. */ + int j = 256; + int nMinDist = 3 * 256 * 256; + long nDist = nMinDist; + + /* 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; + + /* 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; + + /* update our cache */ + if (xentry.pixel < 256) + { + xc_cache[xentry.pixel].red = xentry.red; + xc_cache[xentry.pixel].green = xentry.green; + xc_cache[xentry.pixel].blue = xentry.blue; + + } - map = XCreateColormap(display, wnd, visual, AllocAll); - XStoreColors(display, map, xcolours, ncolours); - xfree(xcolours); - return (HCOLOURMAP)map; + /* byte swap here to make translate_image faster */ + map[i] = translate_colour(colour); + } + + return map; } -void ui_destroy_colourmap(HCOLOURMAP map) +void +ui_destroy_colourmap(HCOLOURMAP map) { - XFreeColormap(display, (Colormap)map); + xfree(map); } -void ui_set_colourmap(HCOLOURMAP map) +void +ui_set_colourmap(HCOLOURMAP map) { - XSetWindowColormap(display, wnd, (Colormap)map); + colmap = map; } -void ui_set_clip(int x, int y, int cx, int cy) +void +ui_set_clip(int x, int y, int cx, int cy) { XRectangle rect; @@ -309,7 +868,8 @@ XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); } -void ui_reset_clip() +void +ui_reset_clip(void) { XRectangle rect; @@ -320,241 +880,316 @@ XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); } -void ui_bell() +void +ui_bell(void) { XBell(display, 0); } -static int rop2_map[] = { - GXclear, /* 0 */ - GXnor, /* DPon */ - GXandInverted, /* DPna */ - GXcopyInverted, /* Pn */ - GXandReverse, /* PDna */ - GXinvert, /* Dn */ - GXxor, /* DPx */ - GXnand, /* DPan */ - GXand, /* DPa */ - GXequiv, /* DPxn */ - GXnoop, /* D */ - GXorInverted, /* DPno */ - GXcopy, /* P */ - GXorReverse, /* PDno */ - GXor, /* DPo */ - GXset /* 1 */ -}; - -static void xwin_set_function(uint8 rop2) -{ - XSetFunction(display, gc, rop2_map[rop2]); +void +ui_destblt(uint8 opcode, + /* dest */ int x, int y, int cx, int cy) +{ + SET_FUNCTION(opcode); + FILL_RECTANGLE(x, y, cx, cy); + RESET_FUNCTION(opcode); } -void ui_destblt(uint8 opcode, - /* dest */ int x, int y, int cx, int cy) +void +ui_patblt(uint8 opcode, + /* dest */ int x, int y, int cx, int cy, + /* brush */ BRUSH * brush, int bgcolour, int fgcolour) { - xwin_set_function(opcode); - - XFillRectangle(display, wnd, gc, x, y, cx, cy); -} - -void ui_patblt(uint8 opcode, - /* dest */ int x, int y, int cx, int cy, - /* brush */ BRUSH *brush, int bgcolour, int fgcolour) -{ - Display *dpy = display; Pixmap fill; + uint8 i, ipattern[8]; - xwin_set_function(opcode); + SET_FUNCTION(opcode); switch (brush->style) { - case 0: /* Solid */ - XSetForeground(dpy, gc, fgcolour); - XFillRectangle(dpy, wnd, gc, x, y, cx, cy); + case 0: /* Solid */ + SET_FOREGROUND(fgcolour); + FILL_RECTANGLE(x, y, cx, cy); break; - case 3: /* Pattern */ - fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern); - - XSetForeground(dpy, gc, fgcolour); - XSetBackground(dpy, gc, bgcolour); - XSetFillStyle(dpy, gc, FillOpaqueStippled); - XSetStipple(dpy, gc, fill); + case 3: /* Pattern */ + for (i = 0; i != 8; i++) + ipattern[7 - i] = brush->pattern[i]; + fill = (Pixmap) ui_create_glyph(8, 8, ipattern); + + SET_FOREGROUND(bgcolour); + SET_BACKGROUND(fgcolour); + XSetFillStyle(display, gc, FillOpaqueStippled); + XSetStipple(display, gc, fill); + XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); - XFillRectangle(dpy, wnd, gc, x, y, cx, cy); + FILL_RECTANGLE(x, y, cx, cy); - XSetFillStyle(dpy, gc, FillSolid); - ui_destroy_glyph((HGLYPH)fill); + XSetFillStyle(display, gc, FillSolid); + XSetTSOrigin(display, gc, 0, 0); + ui_destroy_glyph((HGLYPH) fill); break; default: - NOTIMP("brush %d\n", brush->style); + unimpl("brush %d\n", brush->style); } -} - -void ui_screenblt(uint8 opcode, - /* dest */ int x, int y, int cx, int cy, - /* src */ int srcx, int srcy) -{ - xwin_set_function(opcode); - - XCopyArea(display, wnd, wnd, gc, srcx, srcy, - cx, cy, x, y); -} -void ui_memblt(uint8 opcode, - /* dest */ int x, int y, int cx, int cy, - /* src */ HBITMAP src, int srcx, int srcy) -{ - xwin_set_function(opcode); - - XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, - cx, cy, x, y); + RESET_FUNCTION(opcode); } -void ui_triblt(uint8 opcode, - /* dest */ int x, int y, int cx, int cy, - /* src */ HBITMAP src, int srcx, int srcy, - /* brush */ BRUSH *brush, int bgcolour, int fgcolour) +void +ui_screenblt(uint8 opcode, + /* dest */ int x, int y, int cx, int cy, + /* src */ int srcx, int srcy) +{ + SET_FUNCTION(opcode); + XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); + if (ownbackstore) + XCopyArea(display, backstore, backstore, gc, srcx, srcy, cx, cy, x, y); + RESET_FUNCTION(opcode); +} + +void +ui_memblt(uint8 opcode, + /* dest */ int x, int y, int cx, int cy, + /* src */ HBITMAP src, int srcx, int srcy) +{ + SET_FUNCTION(opcode); + XCopyArea(display, (Pixmap) src, wnd, gc, srcx, srcy, cx, cy, x, y); + if (ownbackstore) + XCopyArea(display, (Pixmap) src, backstore, gc, srcx, srcy, cx, cy, x, y); + RESET_FUNCTION(opcode); +} + +void +ui_triblt(uint8 opcode, + /* dest */ int x, int y, int cx, int cy, + /* src */ HBITMAP src, int srcx, int srcy, + /* brush */ BRUSH * brush, int bgcolour, int fgcolour) { /* This is potentially difficult to do in general. Until someone comes up with a more efficient way of doing it I am using cases. */ switch (opcode) { - case 0x69: /* PDSxxn */ + case 0x69: /* PDSxxn */ ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); - ui_patblt(ROP2_NXOR, x, y, cx, cy, - brush, bgcolour, fgcolour); + ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); break; - case 0xb8: /* PSDPxax */ - ui_patblt(ROP2_XOR, x, y, cx, cy, - brush, bgcolour, fgcolour); + case 0xb8: /* PSDPxax */ + ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); - ui_patblt(ROP2_XOR, x, y, cx, cy, - brush, bgcolour, fgcolour); + ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); break; - default: - NOTIMP("triblt 0x%x\n", opcode); + case 0xc0: /* PSa */ ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); - } -} - -void ui_line(uint8 opcode, - /* dest */ int startx, int starty, int endx, int endy, - /* pen */ PEN *pen) -{ - xwin_set_function(opcode); - - XSetForeground(display, gc, pen->colour); - XDrawLine(display, wnd, gc, startx, starty, endx, endy); -} - -void ui_rect( - /* dest */ int x, int y, int cx, int cy, - /* brush */ int colour) -{ - xwin_set_function(ROP2_COPY); - - XSetForeground(display, gc, colour); - XFillRectangle(display, wnd, gc, x, y, cx, cy); -} - -void ui_draw_glyph(int mixmode, - /* dest */ int x, int y, int cx, int cy, - /* src */ HGLYPH glyph, int srcx, int srcy, int bgcolour, int fgcolour) -{ - Pixmap pixmap = (Pixmap)glyph; - - xwin_set_function(ROP2_COPY); - - XSetForeground(display, gc, fgcolour); - - switch (mixmode) - { - case MIX_TRANSPARENT: - XSetStipple(display, gc, pixmap); - XSetFillStyle(display, gc, FillStippled); - XSetTSOrigin(display, gc, x, y); - XFillRectangle(display, wnd, gc, - x, y, cx, cy); - XSetFillStyle(display, gc, FillSolid); - break; - - case MIX_OPAQUE: - XSetBackground(display, gc, bgcolour); - XCopyPlane(display, pixmap, wnd, gc, - srcx, srcy, cx, cy, x, y, 1); + ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); break; default: - NOTIMP("mix %d\n", mixmode); + unimpl("triblt 0x%x\n", opcode); + ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); } } -void ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, - int clipx, int clipy, int clipcx, int clipcy, - int boxx, int boxy, int boxcx, int boxcy, - int bgcolour, int fgcolour, uint8 *text, uint8 length) +void +ui_line(uint8 opcode, + /* dest */ int startx, int starty, int endx, int endy, + /* pen */ PEN * pen) +{ + SET_FUNCTION(opcode); + SET_FOREGROUND(pen->colour); + XDrawLine(display, wnd, gc, startx, starty, endx, endy); + if (ownbackstore) + XDrawLine(display, backstore, gc, startx, starty, endx, endy); + RESET_FUNCTION(opcode); +} + +void +ui_rect( + /* dest */ int x, int y, int cx, int cy, + /* brush */ int colour) +{ + SET_FOREGROUND(colour); + FILL_RECTANGLE(x, y, cx, cy); +} + +void +ui_draw_glyph(int mixmode, + /* dest */ int x, int y, int cx, int cy, + /* src */ HGLYPH glyph, int srcx, int srcy, + int bgcolour, int fgcolour) +{ + SET_FOREGROUND(fgcolour); + SET_BACKGROUND(bgcolour); + + XSetFillStyle(display, gc, + (mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); + XSetStipple(display, gc, (Pixmap) glyph); + XSetTSOrigin(display, gc, x, y); + + FILL_RECTANGLE(x, y, cx, cy); + + XSetFillStyle(display, gc, FillSolid); +} + +#define DO_GLYPH(ttext,idx) \ +{\ + glyph = cache_get_font (font, ttext[idx]);\ + if (!(flags & TEXT2_IMPLICIT_X))\ + {\ + xyoffset = ttext[++idx];\ + if ((xyoffset & 0x80))\ + {\ + if (flags & TEXT2_VERTICAL) \ + y += ttext[idx+1] | (ttext[idx+2] << 8);\ + else\ + x += ttext[idx+1] | (ttext[idx+2] << 8);\ + idx += 2;\ + }\ + else\ + {\ + if (flags & TEXT2_VERTICAL) \ + y += xyoffset;\ + else\ + x += xyoffset;\ + }\ + }\ + if (glyph != NULL)\ + {\ + ui_draw_glyph (mixmode, x + (short) glyph->offset,\ + y + (short) glyph->baseline,\ + glyph->width, glyph->height,\ + glyph->pixmap, 0, 0, bgcolour, fgcolour);\ + if (flags & TEXT2_IMPLICIT_X)\ + x += glyph->width;\ + }\ +} + +void +ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, + int clipx, int clipy, int clipcx, int clipcy, + int boxx, int boxy, int boxcx, int boxcy, int bgcolour, + int fgcolour, uint8 * text, uint8 length) { FONTGLYPH *glyph; - int i; + int i, j, xyoffset; + DATABLOB *entry; + + SET_FOREGROUND(bgcolour); if (boxcx > 1) { - ui_rect(boxx, boxy, boxcx, boxcy, bgcolour); + FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); } else if (mixmode == MIX_OPAQUE) { - ui_rect(clipx, clipy, clipcx, clipcy, bgcolour); + FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); } /* Paint text, character by character */ - for (i = 0; i < length; i++) + for (i = 0; i < length;) { - glyph = cache_get_font(font, text[i]); - - if (!(flags & TEXT2_IMPLICIT_X)) - x += text[++i]; - - if (glyph != NULL) + switch (text[i]) { - ui_draw_glyph(mixmode, x + (short)glyph->offset, - y + (short)glyph->baseline, - glyph->width, glyph->height, - glyph->pixmap, 0, 0, - bgcolour, fgcolour); + case 0xff: + if (i + 2 < length) + cache_put_text(text[i + 1], text, text[i + 2]); + else + { + error("this shouldn't be happening\n"); + break; + } + /* this will move pointer from start to first character after FF command */ + length -= i + 3; + text = &(text[i + 3]); + i = 0; + break; + + case 0xfe: + entry = cache_get_text(text[i + 1]); + if (entry != NULL) + { + if ((((uint8 *) (entry->data))[1] == + 0) && (!(flags & TEXT2_IMPLICIT_X))) + { + if (flags & TEXT2_VERTICAL) + y += text[i + 2]; + else + x += text[i + 2]; + } + if (i + 2 < length) + i += 3; + else + i += 2; + length -= i; + /* this will move pointer from start to first character after FE command */ + text = &(text[i]); + i = 0; + for (j = 0; j < entry->size; j++) + DO_GLYPH(((uint8 *) (entry->data)), j); + } + break; - if (flags & TEXT2_IMPLICIT_X) - x += glyph->width; + default: + DO_GLYPH(text, i); + i++; + break; } } + + } -void ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) +void +ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) { + Pixmap pix; XImage *image; - image = XGetImage(display, wnd, x, y, cx, cy, 0xffffffff, ZPixmap); - cache_put_desktop(offset, cx, cy, image->bytes_per_line, image->data); - XFree(image->data); - XFree(image); + if (ownbackstore) + { + image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, ZPixmap); + } + else + { + pix = XCreatePixmap(display, wnd, cx, cy, depth); + XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); + image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); + XFreePixmap(display, pix); + } + + offset *= bpp / 8; + cache_put_desktop(offset, cx, cy, image->bytes_per_line, bpp / 8, (uint8 *) image->data); + + XDestroyImage(image); } -void ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) +void +ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) { XImage *image; uint8 *data; - data = cache_get_desktop(offset, cx, cy); + offset *= bpp / 8; + data = cache_get_desktop(offset, cx, cy, bpp / 8); if (data == NULL) return; - image = XCreateImage(display, visual, 8, ZPixmap, 0, - data, cx, cy, 32, cx); - XSetFunction(display, gc, GXcopy); - XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); + image = XCreateImage(display, visual, depth, ZPixmap, 0, + (char *) data, cx, cy, BitmapPad(display), cx * bpp / 8); + + if (ownbackstore) + { + XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); + XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); + } + else + { + XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); + } + XFree(image); }