--- sourceforge.net/trunk/rdesktop/xwin.c 2002/05/28 11:48:55 53 +++ sourceforge.net/trunk/rdesktop/xwin.c 2004/03/03 10:46:35 620 @@ -1,7 +1,7 @@ -/* +/* -*- c-basic-offset: 8 -*- rdesktop: A Remote Desktop Protocol client. User interface services - X Window System - Copyright (C) Matthew Chapman 1999-2001 + Copyright (C) Matthew Chapman 1999-2002 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 @@ -20,62 +20,106 @@ #include #include -#include +#include +#include #include #include +#include #include "rdesktop.h" +#include "xproto.h" -extern char keymapname[16]; -extern int keylayout; -extern int width; -extern int height; -extern BOOL sendmotion; -extern BOOL fullscreen; - -Display *display; -XkbDescPtr xkb; -static int x_socket; -static Window wnd; -static GC gc; -static Visual *visual; -static int depth; -static int bpp; +extern int g_width; +extern int g_height; +extern BOOL g_sendmotion; +extern BOOL g_fullscreen; +extern BOOL g_grab_keyboard; +extern BOOL g_hide_decorations; +extern char g_title[]; +extern int g_server_bpp; +extern int g_win_button_size; + +Display *g_display; +Time g_last_gesturetime; +static int g_x_socket; +static Screen *g_screen; +Window g_wnd; +BOOL g_enable_compose = False; +static GC g_gc = NULL; +static Visual *g_visual; +static int g_depth; +static int g_bpp; +static XIM g_IM; +static XIC g_IC; +static XModifierKeymap *g_mod_map; +static Cursor g_current_cursor; +static HCURSOR g_null_cursor = NULL; +static Atom g_protocol_atom, g_kill_atom; +static BOOL g_focused; +static BOOL g_mouse_in_wnd; /* endianness */ -static BOOL host_be; -static BOOL xserver_be; +static BOOL g_host_be; +static BOOL g_xserver_be; +static int g_red_shift_r, g_blue_shift_r, g_green_shift_r; +static int g_red_shift_l, g_blue_shift_l, g_green_shift_l; /* software backing store */ -static BOOL ownbackstore; -static Pixmap backstore; +BOOL g_ownbackstore = True; /* We can't rely on external BackingStore */ +static Pixmap g_backstore = 0; + +/* Moving in single app mode */ +static BOOL g_moving_wnd; +static int g_move_x_offset = 0; +static int g_move_y_offset = 0; + +#ifdef WITH_RDPSND +extern int g_dsp_fd; +extern BOOL g_dsp_busy; +extern BOOL g_rdpsnd; +#endif + +/* MWM decorations */ +#define MWM_HINTS_DECORATIONS (1L << 1) +#define PROP_MOTIF_WM_HINTS_ELEMENTS 5 +typedef struct +{ + uint32 flags; + uint32 functions; + uint32 decorations; + sint32 inputMode; + uint32 status; +} +PropMotifWmHints; + +typedef struct +{ + uint32 red; + uint32 green; + uint32 blue; +} +PixelColour; -/* needed to keep track of the modifiers */ -static unsigned int key_modifier_state = 0; -static unsigned int key_down_state = 0; - -#define DShift1Mask (1<<0) -#define DShift2Mask (1<<1) -#define DControl1Mask (1<<2) -#define DControl2Mask (1<<3) -#define DMod1Mask (1<<4) -#define DMod2Mask (1<<5) #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); \ + XFillRectangle(g_display, g_wnd, g_gc, x, y, cx, cy); \ + if (g_ownbackstore) \ + XFillRectangle(g_display, g_backstore, g_gc, x, y, cx, cy); \ +} + +#define FILL_RECTANGLE_BACKSTORE(x,y,cx,cy)\ +{ \ + XFillRectangle(g_display, g_ownbackstore ? g_backstore : g_wnd, g_gc, x, y, cx, cy); \ } /* colour maps */ -static BOOL owncolmap; -static Colormap xcolmap; -static uint32 white; -static uint32 *colmap; - -#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)); +BOOL g_owncolmap = False; +static Colormap g_xcolmap; +static uint32 *g_colmap = NULL; + +#define TRANSLATE(col) ( g_server_bpp != 8 ? translate_colour(col) : g_owncolmap ? col : g_colmap[col] ) +#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col)); +#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col)); static int rop2_map[] = { GXclear, /* 0 */ @@ -96,231 +140,778 @@ 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); } +#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, rop2_map[rop2]); } +#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, GXcopy); } + +static void +mwm_hide_decorations(void) +{ + PropMotifWmHints motif_hints; + Atom hintsatom; + + /* setup the property */ + motif_hints.flags = MWM_HINTS_DECORATIONS; + motif_hints.decorations = 0; + + /* get the atom for the property */ + hintsatom = XInternAtom(g_display, "_MOTIF_WM_HINTS", False); + if (!hintsatom) + { + warning("Failed to get atom _MOTIF_WM_HINTS: probably your window manager does not support MWM hints\n"); + return; + } + + XChangeProperty(g_display, g_wnd, hintsatom, hintsatom, 32, PropModeReplace, + (unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS); +} + +static PixelColour +split_colour15(uint32 colour) +{ + PixelColour rv; + rv.red = (colour & 0x7c00) >> 7; + rv.green = (colour & 0x03e0) >> 2; + rv.blue = (colour & 0x001f) << 3; + return rv; +} -void xwin_release_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode); -void xwin_press_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode); +static PixelColour +split_colour16(uint32 colour) +{ + PixelColour rv; + rv.red = (colour & 0xf800) >> 8; + rv.green = (colour & 0x07e0) >> 3; + rv.blue = (colour & 0x001f) << 3; + return rv; +} + +static PixelColour +split_colour24(uint32 colour) +{ + PixelColour rv; + rv.blue = (colour & 0xff0000) >> 16; + rv.green = (colour & 0x00ff00) >> 8; + rv.red = (colour & 0x0000ff); + return rv; +} + +static uint32 +make_colour(PixelColour pc) +{ + return (((pc.red >> g_red_shift_r) << g_red_shift_l) + | ((pc.green >> g_green_shift_r) << g_green_shift_l) + | ((pc.blue >> g_blue_shift_r) << g_blue_shift_l)); +} + +#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } +#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | (x & 0xff00)); } +#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ + x = (x << 16) | (x >> 16); } + +static uint32 +translate_colour(uint32 colour) +{ + PixelColour pc; + switch (g_server_bpp) + { + case 15: + pc = split_colour15(colour); + break; + case 16: + pc = split_colour16(colour); + break; + case 24: + pc = split_colour24(colour); + break; + } + return make_colour(pc); +} static void -translate8(uint8 *data, uint8 *out, uint8 *end) +translate8to8(uint8 * data, uint8 * out, uint8 * end) { while (out < end) - *(out++) = (uint8)colmap[*(data++)]; + *(out++) = (uint8) g_colmap[*(data++)]; } static void -translate16(uint8 *data, uint16 *out, uint16 *end) +translate8to16(uint8 * data, uint8 * out, uint8 * end) { + uint16 value; + while (out < end) - *(out++) = (uint16)colmap[*(data++)]; + { + value = (uint16) g_colmap[*(data++)]; + + if (g_xserver_be) + { + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + } + } } /* little endian - conversion happens when colourmap is built */ static void -translate24(uint8 *data, uint8 *out, uint8 *end) +translate8to24(uint8 * data, uint8 * out, uint8 * end) { uint32 value; while (out < end) { - value = colmap[*(data++)]; - *(out++) = value; - *(out++) = value >> 8; - *(out++) = value >> 16; + value = g_colmap[*(data++)]; + + if (g_xserver_be) + { + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + } } } static void -translate32(uint8 *data, uint32 *out, uint32 *end) +translate8to32(uint8 * data, uint8 * out, uint8 * end) { + uint32 value; + while (out < end) - *(out++) = colmap[*(data++)]; + { + value = g_colmap[*(data++)]; + + if (g_xserver_be) + { + *(out++) = value >> 24; + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + *(out++) = value >> 24; + } + } } -static uint8 * -translate_image(int width, int height, uint8 *data) +static void +translate15to16(uint16 * data, uint8 * out, uint8 * end) { - int size = width * height * bpp/8; - uint8 *out = xmalloc(size); - uint8 *end = out + size; + uint16 pixel; + uint16 value; - switch (bpp) + while (out < end) { - case 8: - translate8(data, out, end); - break; + pixel = *(data++); - case 16: - translate16(data, (uint16 *)out, (uint16 *)end); - break; + if (g_host_be) + { + BSWAP16(pixel); + } - case 24: - translate24(data, out, end); - break; + value = make_colour(split_colour15(pixel)); - case 32: - translate32(data, (uint32 *)out, (uint32 *)end); - break; + if (g_xserver_be) + { + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + } } +} - return out; +static void +translate15to24(uint16 * data, uint8 * out, uint8 * end) +{ + uint32 value; + uint16 pixel; + + while (out < end) + { + pixel = *(data++); + + if (g_host_be) + { + BSWAP16(pixel); + } + + value = make_colour(split_colour15(pixel)); + if (g_xserver_be) + { + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + } + } } -#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 void +translate15to32(uint16 * data, uint8 * out, uint8 * end) +{ + uint16 pixel; + uint32 value; -static uint32 -translate_colour(uint32 colour) + while (out < end) + { + pixel = *(data++); + + if (g_host_be) + { + BSWAP16(pixel); + } + + value = make_colour(split_colour15(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 24; + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + *(out++) = value >> 24; + } + } +} + +static void +translate16to16(uint16 * data, uint8 * out, uint8 * end) { - switch (bpp) + uint16 pixel; + uint16 value; + + while (out < end) { - case 16: - if (host_be != xserver_be) - BSWAP16(colour); - break; + pixel = *(data++); + if (g_host_be) + { + BSWAP16(pixel); + } + + value = make_colour(split_colour16(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + } + } +} + +static void +translate16to24(uint16 * data, uint8 * out, uint8 * end) +{ + uint32 value; + uint16 pixel; + + while (out < end) + { + pixel = *(data++); + + if (g_host_be) + { + BSWAP16(pixel); + } + + value = make_colour(split_colour16(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + } + } +} + +static void +translate16to32(uint16 * data, uint8 * out, uint8 * end) +{ + uint16 pixel; + uint32 value; + + while (out < end) + { + pixel = *(data++); + + if (g_host_be) + { + BSWAP16(pixel); + } + + value = make_colour(split_colour16(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 24; + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + *(out++) = value >> 24; + } + } +} + +static void +translate24to16(uint8 * data, uint8 * out, uint8 * end) +{ + uint32 pixel = 0; + uint16 value; + while (out < end) + { + pixel = *(data++) << 16; + pixel |= *(data++) << 8; + pixel |= *(data++); + + value = (uint16) make_colour(split_colour24(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + } + } +} + +static void +translate24to24(uint8 * data, uint8 * out, uint8 * end) +{ + uint32 pixel; + uint32 value; + + while (out < end) + { + pixel = *(data++) << 16; + pixel |= *(data++) << 8; + pixel |= *(data++); + + value = make_colour(split_colour24(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + } + } +} + +static void +translate24to32(uint8 * data, uint8 * out, uint8 * end) +{ + uint32 pixel; + uint32 value; + + while (out < end) + { + pixel = *(data++) << 16; + pixel |= *(data++) << 8; + pixel |= *(data++); + + value = make_colour(split_colour24(pixel)); + + if (g_xserver_be) + { + *(out++) = value >> 24; + *(out++) = value >> 16; + *(out++) = value >> 8; + *(out++) = value; + } + else + { + *(out++) = value; + *(out++) = value >> 8; + *(out++) = value >> 16; + *(out++) = value >> 24; + } + } +} + +static uint8 * +translate_image(int width, int height, uint8 * data) +{ + int size = width * height * g_bpp / 8; + uint8 *out = (uint8 *) xmalloc(size); + uint8 *end = out + size; + + switch (g_server_bpp) + { case 24: - if (xserver_be) - BSWAP24(colour); + switch (g_bpp) + { + case 32: + translate24to32(data, out, end); + break; + case 24: + translate24to24(data, out, end); + break; + case 16: + translate24to16(data, out, end); + break; + } break; - - case 32: - if (host_be != xserver_be) - BSWAP32(colour); + case 16: + switch (g_bpp) + { + case 32: + translate16to32((uint16 *) data, out, end); + break; + case 24: + translate16to24((uint16 *) data, out, end); + break; + case 16: + translate16to16((uint16 *) data, out, end); + break; + } break; + case 15: + switch (g_bpp) + { + case 32: + translate15to32((uint16 *) data, out, end); + break; + case 24: + translate15to24((uint16 *) data, out, end); + break; + case 16: + translate15to16((uint16 *) data, out, end); + break; + } + break; + case 8: + switch (g_bpp) + { + case 8: + translate8to8(data, out, end); + break; + case 16: + translate8to16(data, out, end); + break; + case 24: + translate8to24(data, out, end); + break; + case 32: + translate8to32(data, out, end); + break; + } + break; + } + return out; +} + +BOOL +get_key_state(unsigned int state, uint32 keysym) +{ + int modifierpos, key, keysymMask = 0; + int offset; + + KeyCode keycode = XKeysymToKeycode(g_display, keysym); + + if (keycode == NoSymbol) + return False; + + for (modifierpos = 0; modifierpos < 8; modifierpos++) + { + offset = g_mod_map->max_keypermod * modifierpos; + + for (key = 0; key < g_mod_map->max_keypermod; key++) + { + if (g_mod_map->modifiermap[offset + key] == keycode) + keysymMask |= 1 << modifierpos; + } } - return colour; + return (state & keysymMask) ? True : False; +} + +static void +calculate_shifts(uint32 mask, int *shift_r, int *shift_l) +{ + *shift_l = ffs(mask) - 1; + mask >>= *shift_l; + *shift_r = 8 - ffs(mask & ~(mask >> 1)); } BOOL -ui_create_window(char *title) +ui_init(void) { - XSetWindowAttributes attribs; - XClassHint *classhints; - XSizeHints *sizehints; - unsigned long input_mask; + XVisualInfo vi; XPixmapFormatValues *pfm; - Screen *screen; uint16 test; - int i; - - int xkb_minor, xkb_major; - int xkb_event, xkb_error, xkb_reason; - - /* compare compiletime libs with runtime libs. */ - xkb_major = XkbMajorVersion; - xkb_minor = XkbMinorVersion; - if( XkbLibraryVersion( &xkb_major, &xkb_minor ) == False ) + int i, screen_num, nvisuals; + XVisualInfo *vmatches = NULL; + XVisualInfo template; + Bool TrueColorVisual = False; + + g_display = XOpenDisplay(NULL); + if (g_display == NULL) { - error("please re-compile rdesktop\ncompile time version of xkb is not compatible with\nyour runtime version of the library\n"); + error("Failed to open display: %s\n", XDisplayName(NULL)); return False; } + screen_num = DefaultScreen(g_display); + g_x_socket = ConnectionNumber(g_display); + g_screen = ScreenOfDisplay(g_display, screen_num); + g_depth = DefaultDepthOfScreen(g_screen); + + /* Search for best TrueColor depth */ + template.class = TrueColor; + vmatches = XGetVisualInfo(g_display, VisualClassMask, &template, &nvisuals); - /* XKB is the 'new' keyboard handler in x.. ( the xkb code in Xfree86 originates from SGI, years 1993 and 1995 from what I could tell. ) - * it makes it possible for people with disabilities to use rdesktop, stickykeys, bouncekeys etc. VERY MUCH useful. - * XFree86 has had support for it since it's earliest incarnation. I believe it is a reasonable dependency. - */ - display = XkbOpenDisplay( NULL, &xkb_event, &xkb_error, &xkb_major, &xkb_minor, &xkb_reason ); - switch(xkb_reason) + nvisuals--; + while (nvisuals >= 0) { - case XkbOD_BadLibraryVersion: - error("XkbOD_BadLibraryVersion: XKB extensions in server and the library rdesktop is linked against aren't compatible with each other.\n"); - break; - case XkbOD_ConnectionRefused: - error("XkbOD_ConnectionRefused\n"); - break; - case XkbOD_BadServerVersion: - error("XkbOD_BadServerVersion\n"); - break; - case XkbOD_NonXkbServer: - error("XkbOD_NonXkbServer: XKB extension not present in server\nupdate your X server.\n"); - break; - case XkbOD_Success: - DEBUG("XkbOD_Success: Connection established with display\n"); - break; + if ((vmatches + nvisuals)->depth > g_depth) + { + g_depth = (vmatches + nvisuals)->depth; + } + nvisuals--; + TrueColorVisual = True; } - if (display == NULL) + if ((g_server_bpp == 8) && ((!TrueColorVisual) || (g_depth <= 8))) { - error("Failed to open display\n"); - return False; + /* we use a colourmap, so the default visual should do */ + g_visual = DefaultVisualOfScreen(g_screen); + g_depth = DefaultDepthOfScreen(g_screen); + + /* Do not allocate colours on a TrueColor visual */ + if (g_visual->class == TrueColor) + { + g_owncolmap = False; + } + } + else + { + /* need a truecolour visual */ + if (!XMatchVisualInfo(g_display, screen_num, g_depth, TrueColor, &vi)) + { + error("The display does not support true colour - high colour support unavailable.\n"); + return False; + } + + g_visual = vi.visual; + g_owncolmap = False; + calculate_shifts(vi.red_mask, &g_red_shift_r, &g_red_shift_l); + calculate_shifts(vi.blue_mask, &g_blue_shift_r, &g_blue_shift_l); + calculate_shifts(vi.green_mask, &g_green_shift_r, &g_green_shift_l); } - x_socket = ConnectionNumber(display); - screen = DefaultScreenOfDisplay(display); - visual = DefaultVisualOfScreen(screen); - depth = DefaultDepthOfScreen(screen); - - pfm = XListPixmapFormats(display, &i); + pfm = XListPixmapFormats(g_display, &i); if (pfm != NULL) { /* 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)) + if ((pfm[i].depth == g_depth) && (pfm[i].bits_per_pixel > g_bpp)) { - bpp = pfm[i].bits_per_pixel; + g_bpp = pfm[i].bits_per_pixel; } } XFree(pfm); } - if (bpp < 8) + if (g_bpp < 8) { error("Less than 8 bpp not currently supported.\n"); - XCloseDisplay(display); + XCloseDisplay(g_display); return False; } - if (depth <= 8) - owncolmap = True; - else - xcolmap = DefaultColormapOfScreen(screen); - - test = 1; - host_be = !(BOOL)(*(uint8 *)(&test)); - xserver_be = (ImageByteOrder(display) == MSBFirst); + if (!g_owncolmap) + { + g_xcolmap = + XCreateColormap(g_display, RootWindowOfScreen(g_screen), g_visual, + AllocNone); + if (g_depth <= 8) + warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n"); + } - white = WhitePixelOfScreen(screen); - attribs.background_pixel = BlackPixelOfScreen(screen); - attribs.backing_store = DoesBackingStore(screen); + if ((!g_ownbackstore) && (DoesBackingStore(g_screen) != Always)) + { + warning("External BackingStore not available, using internal\n"); + g_ownbackstore = True; + } - if (attribs.backing_store == NotUseful) - ownbackstore = True; + test = 1; + g_host_be = !(BOOL) (*(uint8 *) (&test)); + g_xserver_be = (ImageByteOrder(g_display) == MSBFirst); - if (fullscreen) + /* + * Determine desktop size + */ + if (g_fullscreen) { - attribs.override_redirect = True; - width = WidthOfScreen(screen); - height = HeightOfScreen(screen); + g_width = WidthOfScreen(g_screen); + g_height = HeightOfScreen(g_screen); } - else + else if (g_width < 0) { - attribs.override_redirect = False; + /* Percent of screen */ + g_height = HeightOfScreen(g_screen) * (-g_width) / 100; + g_width = WidthOfScreen(g_screen) * (-g_width) / 100; + } + else if (g_width == 0) + { + /* Fetch geometry from _NET_WORKAREA */ + uint32 x, y, cx, cy; + + if (get_current_workarea(&x, &y, &cx, &cy) == 0) + { + g_width = cx; + g_height = cy; + } + else + { + warning("Failed to get workarea: probably your window manager does not support extended hints\n"); + g_width = 800; + g_height = 600; + } } - width = (width + 3) & ~3; /* make width a multiple of 32 bits */ + /* make sure width is a multiple of 4 */ + g_width = (g_width + 3) & ~3; + + g_mod_map = XGetModifierMapping(g_display); + + xkeymap_init(); + + if (g_enable_compose) + g_IM = XOpenIM(g_display, NULL, NULL, NULL); + + xclip_init(); + + DEBUG_RDP5(("server bpp %d client bpp %d depth %d\n", g_server_bpp, g_bpp, g_depth)); + + return True; +} + +void +ui_deinit(void) +{ + if (g_IM != NULL) + XCloseIM(g_IM); + + if (g_null_cursor != NULL) + ui_destroy_cursor(g_null_cursor); + + XFreeModifiermap(g_mod_map); + + if (g_ownbackstore) + XFreePixmap(g_display, g_backstore); + + XFreeGC(g_display, g_gc); + XCloseDisplay(g_display); + g_display = NULL; +} + +BOOL +ui_create_window(void) +{ + uint8 null_pointer_mask[1] = { 0x80 }; + uint8 null_pointer_data[4] = { 0x00, 0x00, 0x00, 0x00 }; + XSetWindowAttributes attribs; + XClassHint *classhints; + XSizeHints *sizehints; + int wndwidth, wndheight; + long input_mask, ic_input_mask; + XEvent xevent; + + wndwidth = g_fullscreen ? WidthOfScreen(g_screen) : g_width; + wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height; - wnd = XCreateWindow(display, RootWindowOfScreen(screen), - 0, 0, width, height, 0, CopyFromParent, - InputOutput, CopyFromParent, - CWBackingStore | CWBackPixel | CWOverrideRedirect, - &attribs); + attribs.background_pixel = BlackPixelOfScreen(g_screen); + attribs.border_pixel = WhitePixelOfScreen(g_screen); + attribs.backing_store = g_ownbackstore ? NotUseful : Always; + attribs.override_redirect = g_fullscreen; + attribs.colormap = g_xcolmap; - XStoreName(display, wnd, title); + g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight, + 0, g_depth, InputOutput, g_visual, + CWBackPixel | CWBackingStore | CWOverrideRedirect | + CWColormap | CWBorderPixel, &attribs); + + if (g_gc == NULL) + g_gc = XCreateGC(g_display, g_wnd, 0, NULL); + + if ((g_ownbackstore) && (g_backstore == 0)) + { + g_backstore = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth); + + /* clear to prevent rubbish being exposed at startup */ + XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen)); + XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height); + } + + XStoreName(g_display, g_wnd, g_title); + + if (g_hide_decorations) + mwm_hide_decorations(); classhints = XAllocClassHint(); if (classhints != NULL) { classhints->res_name = classhints->res_class = "rdesktop"; - XSetClassHint(display, wnd, classhints); + XSetClassHint(g_display, g_wnd, classhints); XFree(classhints); } @@ -328,112 +919,190 @@ if (sizehints) { sizehints->flags = PMinSize | PMaxSize; - sizehints->min_width = sizehints->max_width = width; - sizehints->min_height = sizehints->max_height = height; - XSetWMNormalHints(display, wnd, sizehints); + sizehints->min_width = sizehints->max_width = g_width; + sizehints->min_height = sizehints->max_height = g_height; + XSetWMNormalHints(g_display, g_wnd, sizehints); XFree(sizehints); } - xkeymap_init(); + input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | + VisibilityChangeMask | FocusChangeMask; - input_mask = KeyPressMask | KeyReleaseMask | - ButtonPressMask | ButtonReleaseMask | - EnterWindowMask | LeaveWindowMask | KeymapStateMask; - if (sendmotion) + if (g_sendmotion) input_mask |= PointerMotionMask; - - if (ownbackstore) + if (g_ownbackstore) input_mask |= ExposureMask; + if (g_fullscreen || g_grab_keyboard) + input_mask |= EnterWindowMask; + if (g_grab_keyboard) + input_mask |= LeaveWindowMask; - XSelectInput(display, wnd, input_mask); - gc = XCreateGC(display, wnd, 0, NULL); - - if (ownbackstore) - backstore = XCreatePixmap(display, wnd, width, height, depth); + if (g_IM != NULL) + { + g_IC = XCreateIC(g_IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), + XNClientWindow, g_wnd, XNFocusWindow, g_wnd, NULL); - XMapWindow(display, wnd); + if ((g_IC != NULL) + && (XGetICValues(g_IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) + input_mask |= ic_input_mask; + } - /* TODO: error texts... make them friendly. */ - xkb = XkbGetKeyboard(display, XkbAllComponentsMask, XkbUseCoreKbd); - if ((int)xkb == BadAlloc || xkb == NULL) - { - error( "XkbGetKeyboard failed.\n"); - exit(0); - } + XSelectInput(g_display, g_wnd, input_mask); + XMapWindow(g_display, g_wnd); - /* TODO: error texts... make them friendly. */ - if( XkbSelectEvents(display, xkb->device_spec, XkbAllEventsMask, XkbAllEventsMask) == False ) + /* wait for VisibilityNotify */ + do { - error( "XkbSelectEvents failed.\n"); - exit(0); + XMaskEvent(g_display, VisibilityChangeMask, &xevent); } + while (xevent.type != VisibilityNotify); + + g_focused = False; + g_mouse_in_wnd = False; + + /* handle the WM_DELETE_WINDOW protocol */ + g_protocol_atom = XInternAtom(g_display, "WM_PROTOCOLS", True); + g_kill_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", True); + XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1); + + /* create invisible 1x1 cursor to be used as null cursor */ + if (g_null_cursor == NULL) + g_null_cursor = ui_create_cursor(0, 0, 1, 1, null_pointer_mask, null_pointer_data); return True; } void -ui_destroy_window() +ui_destroy_window(void) { - if( xkb != NULL ) - XkbFreeKeyboard(xkb, XkbAllControlsMask, True); + if (g_IC != NULL) + XDestroyIC(g_IC); - if (ownbackstore) - XFreePixmap(display, backstore); + XDestroyWindow(g_display, g_wnd); +} + +void +xwin_toggle_fullscreen(void) +{ + Pixmap contents = 0; - XFreeGC(display, gc); - XDestroyWindow(display, wnd); - XCloseDisplay(display); - display = NULL; + if (!g_ownbackstore) + { + /* need to save contents of window */ + contents = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth); + XCopyArea(g_display, g_wnd, contents, g_gc, 0, 0, g_width, g_height, 0, 0); + } + + ui_destroy_window(); + g_fullscreen = !g_fullscreen; + ui_create_window(); + + XDefineCursor(g_display, g_wnd, g_current_cursor); + + if (!g_ownbackstore) + { + XCopyArea(g_display, contents, g_wnd, g_gc, 0, 0, g_width, g_height, 0, 0); + XFreePixmap(g_display, contents); + } } -static void -xwin_process_events() +/* Process all events in Xlib queue + Returns 0 after user quit, 1 otherwise */ +static int +xwin_process_events(void) { - XkbEvent xkbevent; - + XEvent xevent; KeySym keysym; - uint8 scancode; uint16 button, flags; uint32 ev_time; - uint32 tmpmods; + key_translation tr; + char str[256]; + Status status; - while (XCheckMaskEvent(display, ~0, &xkbevent.core)) + while (XPending(g_display) > 0) { - ev_time = time(NULL); + XNextEvent(g_display, &xevent); + + if ((g_IC != NULL) && (XFilterEvent(&xevent, None) == True)) + { + DEBUG_KBD(("Filtering event\n")); + continue; + } + flags = 0; - switch (xkbevent.type) + switch (xevent.type) { - case KeymapNotify: - /* TODO: - * read modifier status at focus in, and update the local masks, and the other end as well.. - * if not, we may get out of sync. - * xkbevent.core.xkeymap.key_vector - * char key_vector[32]; - */ + case ClientMessage: + /* the window manager told us to quit */ + if ((xevent.xclient.message_type == g_protocol_atom) + && ((Atom) xevent.xclient.data.l[0] == g_kill_atom)) + /* Quit */ + return 0; break; - case KeyRelease: - flags = KBD_FLAG_DOWN | KBD_FLAG_UP; - /* fall through */ - case KeyPress: - if( XkbTranslateKeyCode(xkb, xkbevent.core.xkey.keycode, xkbevent.core.xkey.state, &tmpmods, &keysym) == False ) + g_last_gesturetime = xevent.xkey.time; + if (g_IC != NULL) + /* Multi_key compatible version */ + { + XmbLookupString(g_IC, + &xevent.xkey, 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; - scancode = xkeymap_translate_key(keysym, xkbevent.core.xkey.keycode, &flags); - if (scancode == 0 ) + tr = xkeymap_translate_key(keysym, + xevent.xkey.keycode, xevent.xkey.state); + + if (tr.scancode == 0) break; - /* keep track of the modifiers -- needed for stickykeys... */ - if( xkbevent.type == KeyPress ) - xwin_press_modifiers( &xkbevent.core.xkey, ev_time, scancode ); + save_remote_modifiers(tr.scancode); + ensure_remote_modifiers(ev_time, tr); + rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); + restore_remote_modifiers(ev_time, tr.scancode); + + break; - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, flags, scancode, 0); + case KeyRelease: + g_last_gesturetime = xevent.xkey.time; + XLookupString((XKeyEvent *) & xevent, str, + sizeof(str), &keysym, NULL); - if( xkbevent.type == KeyRelease ) - xwin_release_modifiers( &xkbevent.core.xkey, ev_time, scancode ); + 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_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); break; case ButtonPress: @@ -441,245 +1110,313 @@ /* fall through */ case ButtonRelease: - button = xkeymap_translate_button(xkbevent.core.xbutton.button); + g_last_gesturetime = xevent.xbutton.time; + button = xkeymap_translate_button(xevent.xbutton.button); if (button == 0) break; - rdp_send_input(ev_time, RDP_INPUT_MOUSE, - flags | button, - xkbevent.core.xbutton.x, - xkbevent.core.xbutton.y); + /* If win_button_size is nonzero, enable single app mode */ + if (xevent.xbutton.y < g_win_button_size) + { + /* Stop moving window when button is released, regardless of cursor position */ + if (g_moving_wnd && (xevent.type == ButtonRelease)) + g_moving_wnd = False; + + /* Check from right to left: */ + + if (xevent.xbutton.x >= g_width - g_win_button_size) + { + /* The close button, continue */ + ; + } + else if (xevent.xbutton.x >= + g_width - g_win_button_size * 2) + { + /* The maximize/restore button. Do not send to + server. It might be a good idea to change the + cursor or give some other visible indication + that rdesktop inhibited this click */ + break; + } + else if (xevent.xbutton.x >= + g_width - g_win_button_size * 3) + { + /* The minimize button. Iconify window. */ + XIconifyWindow(g_display, g_wnd, + DefaultScreen(g_display)); + break; + } + else if (xevent.xbutton.x <= g_win_button_size) + { + /* The system menu. Ignore. */ + break; + } + else + { + /* The title bar. */ + if ((xevent.type == ButtonPress) && !g_fullscreen + && g_hide_decorations) + { + g_moving_wnd = True; + g_move_x_offset = xevent.xbutton.x; + g_move_y_offset = xevent.xbutton.y; + } + break; + + } + } + + 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, - xkbevent.core.xmotion.x, - xkbevent.core.xmotion.y); + if (g_moving_wnd) + { + XMoveWindow(g_display, g_wnd, + xevent.xmotion.x_root - g_move_x_offset, + xevent.xmotion.y_root - g_move_y_offset); + break; + } + + if (g_fullscreen && !g_focused) + XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, + CurrentTime); + rdp_send_input(time(NULL), RDP_INPUT_MOUSE, + MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); + break; + + case FocusIn: + if (xevent.xfocus.mode == NotifyGrab) + break; + g_focused = True; + reset_modifier_keys(); + if (g_grab_keyboard && g_mouse_in_wnd) + XGrabKeyboard(g_display, g_wnd, True, + GrabModeAsync, GrabModeAsync, CurrentTime); + break; + + case FocusOut: + if (xevent.xfocus.mode == NotifyUngrab) + break; + g_focused = False; + if (xevent.xfocus.mode == NotifyWhileGrabbed) + XUngrabKeyboard(g_display, CurrentTime); break; case EnterNotify: - XGrabKeyboard(display, wnd, True, GrabModeAsync, - GrabModeAsync, CurrentTime); + /* we only register for this event when in fullscreen mode */ + /* or grab_keyboard */ + g_mouse_in_wnd = True; + if (g_fullscreen) + { + XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, + CurrentTime); + break; + } + if (g_focused) + XGrabKeyboard(g_display, g_wnd, True, + GrabModeAsync, GrabModeAsync, CurrentTime); break; case LeaveNotify: - XUngrabKeyboard(display, CurrentTime); + /* we only register for this event when grab_keyboard */ + g_mouse_in_wnd = False; + XUngrabKeyboard(g_display, CurrentTime); break; case Expose: - XCopyArea(display, backstore, wnd, gc, - xkbevent.core.xexpose.x, xkbevent.core.xexpose.y, - xkbevent.core.xexpose.width, xkbevent.core.xexpose.height, - xkbevent.core.xexpose.x, xkbevent.core.xexpose.y); + XCopyArea(g_display, g_backstore, g_wnd, g_gc, + xevent.xexpose.x, xevent.xexpose.y, + xevent.xexpose.width, + xevent.xexpose.height, + xevent.xexpose.x, xevent.xexpose.y); break; - } - } -} -void -xwin_release_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode) -{ - switch (scancode) { - case 0x2a: - key_down_state &= ~DShift1Mask; - break; - case 0x36: - key_down_state &= ~DShift2Mask; - break; - case 0x1d: - key_down_state &= ~DControl1Mask; - break; - case 0x9d: - key_down_state &= ~DControl2Mask; - break; - case 0x38: - key_down_state &= ~DMod1Mask; - break; - case 0xb8: - key_down_state &= ~DMod2Mask; - 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( !(ShiftMask & ev->state) && (key_down_state & DShift1Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x2a, 0); - key_down_state &= ~DShift1Mask; - - } - - if( !(ControlMask & ev->state) && (key_down_state & DControl1Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x1d, 0); - key_down_state &= ~DControl1Mask; - - } - - if( !(Mod1Mask & ev->state) && (key_down_state & DMod1Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0x38, 0); - key_down_state &= ~DMod1Mask; - - } - - if( !(Mod2Mask & ev->state) && (key_down_state & DMod2Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_UP, 0xb8, 0); - key_down_state &= ~DMod2Mask; - } -} - - -void -xwin_press_modifiers(XKeyEvent* ev, uint32 ev_time, uint32 scancode) -{ - key_modifier_state = ev->state; - - switch (scancode) { - case 0x2a: - key_down_state |= DShift1Mask; - break; - case 0x36: - key_down_state |= DShift2Mask; - break; - case 0x1d: - key_down_state |= DControl1Mask; - break; - case 0x9d: - key_down_state |= DControl2Mask; - break; - case 0x38: - key_down_state |= DMod1Mask; - break; - case 0xb8: - key_down_state |= DMod2Mask; - break; - } - - if( (ShiftMask & ev->state) && !((key_down_state & DShift1Mask) || (key_down_state & DShift2Mask))) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x2a, 0); - key_down_state |= DShift1Mask; - - } - - if( (ControlMask & ev->state) && !((key_down_state & DControl1Mask) || (key_down_state & DControl2Mask))) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x1d, 0); - key_down_state |= DControl1Mask; - - } - - if( (Mod1Mask & ev->state) && !(key_down_state & DMod1Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0x38, 0); - key_down_state |= DMod1Mask; - - } - - if( (Mod2Mask & ev->state) && !(key_down_state & DMod2Mask)) - { - rdp_send_input(ev_time, RDP_INPUT_SCANCODE, KBD_FLAG_DOWN, 0xb8, 0); - key_down_state |= DMod2Mask; + if (xevent.xmapping.request == MappingModifier) + { + XFreeModifiermap(g_mod_map); + g_mod_map = XGetModifierMapping(g_display); + } + break; + /* clipboard stuff */ + case SelectionNotify: + xclip_handle_SelectionNotify(&xevent.xselection); + break; + case SelectionRequest: + xclip_handle_SelectionRequest(&xevent.xselectionrequest); + break; + case SelectionClear: + xclip_handle_SelectionClear(); + break; + case PropertyNotify: + xclip_handle_PropertyNotify(&xevent.xproperty); + break; + } } + /* Keep going */ + return 1; } -void +/* Returns 0 after user quit, 1 otherwise */ +int ui_select(int rdp_socket) { - int n = (rdp_socket > x_socket) ? rdp_socket+1 : x_socket+1; - fd_set rfds; - - FD_ZERO(&rfds); + int n; + fd_set rfds, wfds; + struct timeval tv; + BOOL s_timeout = False; while (True) { + n = (rdp_socket > g_x_socket) ? rdp_socket : g_x_socket; + /* Process any events already waiting */ + if (!xwin_process_events()) + /* User quit */ + return 0; + FD_ZERO(&rfds); + FD_ZERO(&wfds); FD_SET(rdp_socket, &rfds); - if (display != NULL) + FD_SET(g_x_socket, &rfds); + +#ifdef WITH_RDPSND + /* FIXME: there should be an API for registering fds */ + if (g_dsp_busy) { - FD_SET(x_socket, &rfds); - XFlush(display); + FD_SET(g_dsp_fd, &wfds); + n = (g_dsp_fd > n) ? g_dsp_fd : n; } +#endif + /* default timeout */ + tv.tv_sec = 60; + tv.tv_usec = 0; + + /* add redirection handles */ + rdpdr_add_fds(&n, &rfds, &wfds, &tv, &s_timeout); - switch (select(n, &rfds, NULL, NULL, NULL)) + n++; + + switch (select(n, &rfds, &wfds, NULL, &tv)) { case -1: error("select: %s\n", strerror(errno)); case 0: + /* TODO: if tv.tv_sec just times out + * we will segfault. + * FIXME: + */ + //s_timeout = True; + //rdpdr_check_fds(&rfds, &wfds, (BOOL) True); continue; } - if (FD_ISSET(x_socket, &rfds)) - xwin_process_events(); + rdpdr_check_fds(&rfds, &wfds, (BOOL) False); if (FD_ISSET(rdp_socket, &rfds)) - return; + return 1; + +#ifdef WITH_RDPSND + if (g_dsp_busy && FD_ISSET(g_dsp_fd, &wfds)) + wave_out_play(); +#endif } } void ui_move_pointer(int x, int y) { - XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); + XWarpPointer(g_display, g_wnd, g_wnd, 0, 0, 0, 0, x, y); } HBITMAP -ui_create_bitmap(int width, int height, uint8 *data) +ui_create_bitmap(int width, int height, uint8 * data) { XImage *image; Pixmap bitmap; uint8 *tdata; + int bitmap_pad; - tdata = (owncolmap ? data : translate_image(width, height, data)); - bitmap = XCreatePixmap(display, wnd, width, height, depth); - image = XCreateImage(display, visual, depth, ZPixmap, - 0, tdata, width, height, 8, 0); + if (g_server_bpp == 8) + { + bitmap_pad = 8; + } + else + { + bitmap_pad = g_bpp; - XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); + if (g_bpp == 24) + bitmap_pad = 32; + } + + tdata = (g_owncolmap ? data : translate_image(width, height, data)); + bitmap = XCreatePixmap(g_display, g_wnd, width, height, g_depth); + image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, + (char *) tdata, width, height, bitmap_pad, 0); + + XPutImage(g_display, bitmap, g_gc, image, 0, 0, 0, 0, width, height); XFree(image); - if (!owncolmap) + if (!g_owncolmap) xfree(tdata); return (HBITMAP) bitmap; } void -ui_paint_bitmap(int x, int y, int cx, int cy, - int width, int height, uint8 *data) +ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) { XImage *image; uint8 *tdata; + int bitmap_pad; - tdata = (owncolmap ? data : translate_image(width, height, data)); - image = XCreateImage(display, visual, depth, ZPixmap, - 0, tdata, width, height, 8, 0); + if (g_server_bpp == 8) + { + bitmap_pad = 8; + } + else + { + bitmap_pad = g_bpp; + + if (g_bpp == 24) + bitmap_pad = 32; + } + + tdata = (g_owncolmap ? data : translate_image(width, height, data)); + image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, + (char *) tdata, width, height, bitmap_pad, 0); - if (ownbackstore) + if (g_ownbackstore) { - XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); - XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); + XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); + XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); } else { - XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); + XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); } XFree(image); - if (!owncolmap) + if (!g_owncolmap) xfree(tdata); } void ui_destroy_bitmap(HBITMAP bmp) { - XFreePixmap(display, (Pixmap)bmp); + XFreePixmap(g_display, (Pixmap) bmp); } HGLYPH -ui_create_glyph(int width, int height, uint8 *data) +ui_create_glyph(int width, int height, uint8 * data) { XImage *image; Pixmap bitmap; @@ -688,31 +1425,31 @@ scanline = (width + 7) / 8; - bitmap = XCreatePixmap(display, wnd, width, height, 1); - gc = XCreateGC(display, bitmap, 0, NULL); + bitmap = XCreatePixmap(g_display, g_wnd, width, height, 1); + gc = XCreateGC(g_display, bitmap, 0, NULL); - image = XCreateImage(display, visual, 1, ZPixmap, 0, - data, width, height, 8, scanline); + image = XCreateImage(g_display, g_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); + XPutImage(g_display, bitmap, gc, image, 0, 0, 0, 0, width, height); XFree(image); - XFreeGC(display, gc); - return (HGLYPH)bitmap; + XFreeGC(g_display, gc); + return (HGLYPH) bitmap; } void ui_destroy_glyph(HGLYPH glyph) { - XFreePixmap(display, (Pixmap)glyph); + XFreePixmap(g_display, (Pixmap) glyph); } HCURSOR -ui_create_cursor(unsigned int x, unsigned int y, int width, - int height, uint8 *andmask, uint8 *xormask) +ui_create_cursor(unsigned int x, unsigned int y, int width, int height, + uint8 * andmask, uint8 * xormask) { HGLYPH maskglyph, cursorglyph; XColor bg, fg; @@ -726,10 +1463,10 @@ scanline = (width + 7) / 8; offset = scanline * height; - cursor = xmalloc(offset); + cursor = (uint8 *) xmalloc(offset); memset(cursor, 0, offset); - mask = xmalloc(offset); + mask = (uint8 *) xmalloc(offset); memset(mask, 0, offset); /* approximate AND and XOR masks with a monochrome X pointer */ @@ -769,27 +1506,35 @@ 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); + + xcursor = + XCreatePixmapCursor(g_display, (Pixmap) cursorglyph, + (Pixmap) maskglyph, &fg, &bg, x, y); ui_destroy_glyph(maskglyph); ui_destroy_glyph(cursorglyph); xfree(mask); xfree(cursor); - return (HCURSOR)xcursor; + return (HCURSOR) xcursor; } void ui_set_cursor(HCURSOR cursor) { - XDefineCursor(display, wnd, (Cursor)cursor); + g_current_cursor = (Cursor) cursor; + XDefineCursor(g_display, g_wnd, g_current_cursor); } void ui_destroy_cursor(HCURSOR cursor) { - XFreeCursor(display, (Cursor)cursor); + XFreeCursor(g_display, (Cursor) cursor); +} + +void +ui_set_null_cursor(void) +{ + ui_set_cursor(g_null_cursor); } #define MAKE_XCOLOR(xc,c) \ @@ -798,72 +1543,128 @@ (xc)->blue = ((c)->blue << 8) | (c)->blue; \ (xc)->flags = DoRed | DoGreen | DoBlue; + HCOLOURMAP -ui_create_colourmap(COLOURMAP *colours) +ui_create_colourmap(COLOURMAP * colours) { COLOURENTRY *entry; int i, ncolours = colours->ncolours; - - if (owncolmap) + if (!g_owncolmap) { - XColor *xcolours, *xentry; - Colormap map; - - xcolours = xmalloc(sizeof(XColor) * ncolours); + uint32 *map = (uint32 *) xmalloc(sizeof(*g_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]; - xentry->pixel = i; - MAKE_XCOLOR(xentry, entry); - } + MAKE_XCOLOR(&xentry, entry); - map = XCreateColormap(display, wnd, visual, AllocAll); - XStoreColors(display, map, xcolours, ncolours); + if (XAllocColor(g_display, g_xcolmap, &xentry) == 0) + { + /* Allocation failed, find closest match. */ + int j = 256; + int nMinDist = 3 * 256 * 256; + long nDist = nMinDist; - xfree(xcolours); - return (HCOLOURMAP)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(g_display, + DefaultColormap(g_display, + DefaultScreen(g_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[i] = colour; + } + return map; } else { - uint32 *map = xmalloc(sizeof(*colmap) * ncolours); - XColor xentry; - uint32 colour; + XColor *xcolours, *xentry; + Colormap map; + xcolours = (XColor *) xmalloc(sizeof(XColor) * ncolours); for (i = 0; i < ncolours; i++) { entry = &colours->colours[i]; - MAKE_XCOLOR(&xentry, entry); - - if (XAllocColor(display, xcolmap, &xentry) != 0) - colour = xentry.pixel; - else - colour = white; - - /* byte swap here to make translate_image faster */ - map[i] = translate_colour(colour); + xentry = &xcolours[i]; + xentry->pixel = i; + MAKE_XCOLOR(xentry, entry); } - return map; + map = XCreateColormap(g_display, g_wnd, g_visual, AllocAll); + XStoreColors(g_display, map, xcolours, ncolours); + + xfree(xcolours); + return (HCOLOURMAP) map; } } void ui_destroy_colourmap(HCOLOURMAP map) { - if (owncolmap) - XFreeColormap(display, (Colormap)map); - else + if (!g_owncolmap) xfree(map); + else + XFreeColormap(g_display, (Colormap) map); } void ui_set_colourmap(HCOLOURMAP map) { - if (owncolmap) - XSetWindowColormap(display, wnd, (Colormap)map); + if (!g_owncolmap) + { + if (g_colmap) + xfree(g_colmap); + + g_colmap = (uint32 *) map; + } else - colmap = map; + XSetWindowColormap(g_display, g_wnd, (Colormap) map); } void @@ -875,25 +1676,25 @@ rect.y = y; rect.width = cx; rect.height = cy; - XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); + XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); } void -ui_reset_clip() +ui_reset_clip(void) { XRectangle rect; rect.x = 0; rect.y = 0; - rect.width = width; - rect.height = height; - XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); + rect.width = g_width; + rect.height = g_height; + XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); } void -ui_bell() +ui_bell(void) { - XBell(display, 0); + XBell(g_display, 0); } void @@ -905,12 +1706,22 @@ RESET_FUNCTION(opcode); } +static uint8 hatch_patterns[] = { + 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, /* 0 - bsHorizontal */ + 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, /* 1 - bsVertical */ + 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, /* 2 - bsFDiagonal */ + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, /* 3 - bsBDiagonal */ + 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08, /* 4 - bsCross */ + 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 /* 5 - bsDiagCross */ +}; + void ui_patblt(uint8 opcode, /* dest */ int x, int y, int cx, int cy, - /* brush */ BRUSH *brush, int bgcolour, int fgcolour) + /* brush */ BRUSH * brush, int bgcolour, int fgcolour) { Pixmap fill; + uint8 i, ipattern[8]; SET_FUNCTION(opcode); @@ -921,19 +1732,36 @@ FILL_RECTANGLE(x, y, cx, cy); break; + case 2: /* Hatch */ + fill = (Pixmap) ui_create_glyph(8, 8, + hatch_patterns + brush->pattern[0] * 8); + SET_FOREGROUND(fgcolour); + SET_BACKGROUND(bgcolour); + XSetFillStyle(g_display, g_gc, FillOpaqueStippled); + XSetStipple(g_display, g_gc, fill); + XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); + FILL_RECTANGLE(x, y, cx, cy); + XSetFillStyle(g_display, g_gc, FillSolid); + XSetTSOrigin(g_display, g_gc, 0, 0); + ui_destroy_glyph((HGLYPH) fill); + break; + case 3: /* Pattern */ - fill = (Pixmap)ui_create_glyph(8, 8, brush->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); + XSetFillStyle(g_display, g_gc, FillOpaqueStippled); + XSetStipple(g_display, g_gc, fill); + XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); FILL_RECTANGLE(x, y, cx, cy); - XSetFillStyle(display, gc, FillSolid); - ui_destroy_glyph((HGLYPH)fill); + XSetFillStyle(g_display, g_gc, FillSolid); + XSetTSOrigin(g_display, g_gc, 0, 0); + ui_destroy_glyph((HGLYPH) fill); break; default: @@ -949,10 +1777,15 @@ /* 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); + if (g_ownbackstore) + { + XCopyArea(g_display, g_backstore, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); + XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); + } + else + { + XCopyArea(g_display, g_wnd, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); + } RESET_FUNCTION(opcode); } @@ -962,10 +1795,9 @@ /* 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); + XCopyArea(g_display, (Pixmap) src, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); + if (g_ownbackstore) + XCopyArea(g_display, (Pixmap) src, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); RESET_FUNCTION(opcode); } @@ -973,7 +1805,7 @@ 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) + /* 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. */ @@ -982,22 +1814,18 @@ { 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); + 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; case 0xc0: /* PSa */ ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); - ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, - fgcolour); + ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); break; default: @@ -1009,13 +1837,13 @@ void ui_line(uint8 opcode, /* dest */ int startx, int starty, int endx, int endy, - /* pen */ PEN *pen) + /* 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); + XDrawLine(g_display, g_wnd, g_gc, startx, starty, endx, endy); + if (g_ownbackstore) + XDrawLine(g_display, g_backstore, g_gc, startx, starty, endx, endy); RESET_FUNCTION(opcode); } @@ -1028,125 +1856,153 @@ FILL_RECTANGLE(x, y, cx, cy); } +/* warning, this function only draws on wnd or backstore, not both */ 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) + /* 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); + XSetFillStyle(g_display, g_gc, + (mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); + XSetStipple(g_display, g_gc, (Pixmap) glyph); + XSetTSOrigin(g_display, g_gc, x, y); - FILL_RECTANGLE(x, y, cx, cy); + FILL_RECTANGLE_BACKSTORE(x, y, cx, cy); - XSetFillStyle(display, gc, FillSolid); + XSetFillStyle(g_display, g_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))\ {\ - xyoffset = ttext[++idx];\ - if ((xyoffset & 0x80))\ - {\ - if (flags & TEXT2_VERTICAL) \ - y += ttext[++idx] | (ttext[++idx] << 8);\ - else\ - x += ttext[++idx] | (ttext[++idx] << 8);\ - }\ + if (flags & TEXT2_VERTICAL)\ + y += ttext[idx+1] | (ttext[idx+2] << 8);\ else\ - {\ - if (flags & TEXT2_VERTICAL) \ - y += xyoffset;\ - else\ - x += xyoffset;\ - }\ + x += ttext[idx+1] | (ttext[idx+2] << 8);\ + idx += 2;\ }\ - if (glyph != NULL)\ + else\ {\ - 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;\ + if (flags & TEXT2_VERTICAL)\ + y += xyoffset;\ + else\ + x += xyoffset;\ }\ + }\ + if (glyph != NULL)\ + {\ + x1 = x + glyph->offset;\ + y1 = y + glyph->baseline;\ + XSetStipple(g_display, g_gc, (Pixmap) glyph->pixmap);\ + XSetTSOrigin(g_display, g_gc, x1, y1);\ + FILL_RECTANGLE_BACKSTORE(x1, y1, glyph->width, glyph->height);\ + 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 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, j, xyoffset; + int i, j, xyoffset, x1, y1; DATABLOB *entry; SET_FOREGROUND(bgcolour); + /* Sometimes, the boxcx value is something really large, like + 32691. This makes XCopyArea fail with Xvnc. The code below + is a quick fix. */ + if (boxx + boxcx > g_width) + boxcx = g_width - boxx; + if (boxcx > 1) { - FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); + FILL_RECTANGLE_BACKSTORE(boxx, boxy, boxcx, boxcy); } else if (mixmode == MIX_OPAQUE) { - FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); + FILL_RECTANGLE_BACKSTORE(clipx, clipy, clipcx, clipcy); } + SET_FOREGROUND(fgcolour); + SET_BACKGROUND(bgcolour); + XSetFillStyle(g_display, g_gc, FillStippled); + /* Paint text, character by character */ - for (i = 0; i < length;) { - switch (text[i]) { - case 0xff: - if (i + 2 < length) - cache_put_text(text[i + 1], text, text[i + 2]); - else { - error("this shouldn't be happening\n"); + for (i = 0; i < length;) + { + switch (text[i]) + { + case 0xff: + if (i + 2 < length) + cache_put_text(text[i + 1], text, text[i + 2]); + else + { + error("this shouldn't be happening\n"); + exit(1); + } + /* this will move pointer from start to first character after FF command */ + length -= i + 3; + text = &(text[i + 3]); + i = 0; 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]; + 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]; + } + for (j = 0; j < entry->size; j++) + DO_GLYPH(((uint8 *) (entry->data)), j); } if (i + 2 < length) i += 3; else - i += 2; + 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; + break; - default: - DO_GLYPH(text, i); - i++; - break; + default: + DO_GLYPH(text, i); + i++; + break; } } + XSetFillStyle(g_display, g_gc, FillSolid); + if (g_ownbackstore) + { + if (boxcx > 1) + XCopyArea(g_display, g_backstore, g_wnd, g_gc, boxx, + boxy, boxcx, boxcy, boxx, boxy); + else + XCopyArea(g_display, g_backstore, g_wnd, g_gc, clipx, + clipy, clipcx, clipcy, clipx, clipy); + } } void @@ -1155,23 +2011,20 @@ Pixmap pix; XImage *image; - if (ownbackstore) + if (g_ownbackstore) { - image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, - ZPixmap); + image = XGetImage(g_display, g_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); + pix = XCreatePixmap(g_display, g_wnd, cx, cy, g_depth); + XCopyArea(g_display, g_wnd, pix, g_gc, x, y, cx, cy, 0, 0); + image = XGetImage(g_display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); + XFreePixmap(g_display, pix); } - offset *= bpp/8; - cache_put_desktop(offset, cx, cy, image->bytes_per_line, - bpp/8, (uint8 *)image->data); + offset *= g_bpp / 8; + cache_put_desktop(offset, cx, cy, image->bytes_per_line, g_bpp / 8, (uint8 *) image->data); XDestroyImage(image); } @@ -1182,23 +2035,22 @@ XImage *image; uint8 *data; - offset *= bpp/8; - data = cache_get_desktop(offset, cx, cy, bpp/8); + offset *= g_bpp / 8; + data = cache_get_desktop(offset, cx, cy, g_bpp / 8); if (data == NULL) return; - image = XCreateImage(display, visual, depth, ZPixmap, - 0, data, cx, cy, BitmapPad(display), - cx * bpp/8); + image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, + (char *) data, cx, cy, BitmapPad(g_display), cx * g_bpp / 8); - if (ownbackstore) + if (g_ownbackstore) { - XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); - XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); + XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); + XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); } else { - XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); + XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); } XFree(image);