1 |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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User interface services - X Window System |
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Copyright (C) Matthew Chapman 1999-2002 |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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#include <time.h> |
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#include <errno.h> |
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#include "rdesktop.h" |
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#include "xproto.h" |
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|
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extern int g_width; |
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extern int g_height; |
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extern BOOL g_sendmotion; |
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extern BOOL g_fullscreen; |
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extern BOOL g_grab_keyboard; |
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extern BOOL g_hide_decorations; |
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extern char g_title[]; |
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extern int g_server_bpp; |
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extern int g_win_button_size; |
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|
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Display *g_display; |
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Time g_last_gesturetime; |
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static int g_x_socket; |
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static Screen *g_screen; |
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Window g_wnd; |
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BOOL g_enable_compose = False; |
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static GC g_gc; |
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static Visual *g_visual; |
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static int g_depth; |
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static int g_bpp; |
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static XIM g_IM; |
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static XIC g_IC; |
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static XModifierKeymap *g_mod_map; |
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static Cursor g_current_cursor; |
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static Atom g_protocol_atom, g_kill_atom; |
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static BOOL g_focused; |
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static BOOL g_mouse_in_wnd; |
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|
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/* endianness */ |
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static BOOL g_host_be; |
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static BOOL g_xserver_be; |
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|
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/* software backing store */ |
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static BOOL g_ownbackstore; |
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static Pixmap g_backstore; |
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|
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/* Moving in single app mode */ |
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static BOOL g_moving_wnd; |
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static int g_move_x_offset = 0; |
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static int g_move_y_offset = 0; |
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|
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#ifdef WITH_RDPSND |
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extern int g_dsp_fd; |
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extern BOOL g_dsp_busy; |
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#endif |
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|
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/* MWM decorations */ |
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#define MWM_HINTS_DECORATIONS (1L << 1) |
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#define PROP_MOTIF_WM_HINTS_ELEMENTS 5 |
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typedef struct |
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{ |
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uint32 flags; |
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uint32 functions; |
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uint32 decorations; |
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sint32 inputMode; |
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uint32 status; |
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} |
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PropMotifWmHints; |
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|
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typedef struct |
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{ |
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uint32 red; |
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uint32 green; |
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uint32 blue; |
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} |
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PixelColour; |
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|
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|
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#define FILL_RECTANGLE(x,y,cx,cy)\ |
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{ \ |
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XFillRectangle(g_display, g_wnd, g_gc, x, y, cx, cy); \ |
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if (g_ownbackstore) \ |
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XFillRectangle(g_display, g_backstore, g_gc, x, y, cx, cy); \ |
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} |
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|
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#define FILL_RECTANGLE_BACKSTORE(x,y,cx,cy)\ |
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{ \ |
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XFillRectangle(g_display, g_ownbackstore ? g_backstore : g_wnd, g_gc, x, y, cx, cy); \ |
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} |
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|
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/* colour maps */ |
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BOOL g_owncolmap = False; |
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static Colormap g_xcolmap; |
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static uint32 *g_colmap = NULL; |
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|
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#define TRANSLATE(col) ( g_server_bpp != 8 ? translate_colour(col) : g_owncolmap ? col : translate_colour(g_colmap[col]) ) |
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#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col)); |
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#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col)); |
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|
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static int rop2_map[] = { |
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GXclear, /* 0 */ |
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GXnor, /* DPon */ |
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GXandInverted, /* DPna */ |
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GXcopyInverted, /* Pn */ |
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GXandReverse, /* PDna */ |
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GXinvert, /* Dn */ |
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GXxor, /* DPx */ |
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GXnand, /* DPan */ |
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GXand, /* DPa */ |
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GXequiv, /* DPxn */ |
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GXnoop, /* D */ |
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GXorInverted, /* DPno */ |
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GXcopy, /* P */ |
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GXorReverse, /* PDno */ |
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GXor, /* DPo */ |
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GXset /* 1 */ |
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}; |
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|
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#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, rop2_map[rop2]); } |
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#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, GXcopy); } |
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|
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static void |
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mwm_hide_decorations(void) |
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{ |
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PropMotifWmHints motif_hints; |
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Atom hintsatom; |
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|
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/* setup the property */ |
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motif_hints.flags = MWM_HINTS_DECORATIONS; |
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motif_hints.decorations = 0; |
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|
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/* get the atom for the property */ |
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hintsatom = XInternAtom(g_display, "_MOTIF_WM_HINTS", False); |
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if (!hintsatom) |
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{ |
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warning("Failed to get atom _MOTIF_WM_HINTS: probably your window manager does not support MWM hints\n"); |
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return; |
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} |
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|
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XChangeProperty(g_display, g_wnd, hintsatom, hintsatom, 32, PropModeReplace, |
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(unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS); |
159 |
} |
160 |
|
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static PixelColour |
162 |
split_colour15(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.red = (colour & 0x7c00) >> 10; |
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rv.red = (rv.red * 0xff) / 0x1f; |
167 |
rv.green = (colour & 0x03e0) >> 5; |
168 |
rv.green = (rv.green * 0xff) / 0x1f; |
169 |
rv.blue = (colour & 0x1f); |
170 |
rv.blue = (rv.blue * 0xff) / 0x1f; |
171 |
return rv; |
172 |
} |
173 |
|
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static PixelColour |
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split_colour16(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.red = (colour & 0xf800) >> 11; |
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rv.red = (rv.red * 0xff) / 0x1f; |
180 |
rv.green = (colour & 0x07e0) >> 5; |
181 |
rv.green = (rv.green * 0xff) / 0x3f; |
182 |
rv.blue = (colour & 0x001f); |
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rv.blue = (rv.blue * 0xff) / 0x1f; |
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return rv; |
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} |
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|
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static PixelColour |
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split_colour24(uint32 colour) |
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{ |
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PixelColour rv; |
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rv.blue = (colour & 0xff0000) >> 16; |
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rv.green = (colour & 0xff00) >> 8; |
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rv.red = (colour & 0xff); |
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return rv; |
195 |
} |
196 |
|
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static uint32 |
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make_colour16(PixelColour pc) |
199 |
{ |
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pc.red = (pc.red * 0x1f) / 0xff; |
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pc.green = (pc.green * 0x3f) / 0xff; |
202 |
pc.blue = (pc.blue * 0x1f) / 0xff; |
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return (pc.red << 11) | (pc.green << 5) | pc.blue; |
204 |
} |
205 |
|
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static uint32 |
207 |
make_colour24(PixelColour pc) |
208 |
{ |
209 |
if (g_xserver_be) |
210 |
{ |
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return pc.red | (pc.green << 8) | (pc.blue << 16); |
212 |
} |
213 |
else |
214 |
{ |
215 |
return (pc.red << 16) | (pc.green << 8) | pc.blue; |
216 |
} |
217 |
} |
218 |
|
219 |
static uint32 |
220 |
make_colour32(PixelColour pc) |
221 |
{ |
222 |
if (g_xserver_be) |
223 |
{ |
224 |
return pc.red | (pc.green << 8) | (pc.blue << 16); |
225 |
} |
226 |
else |
227 |
{ |
228 |
return (pc.red << 16) | (pc.green << 8) | pc.blue; |
229 |
} |
230 |
} |
231 |
|
232 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
233 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
234 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
235 |
x = (x << 16) | (x >> 16); } |
236 |
|
237 |
static uint32 |
238 |
translate_colour(uint32 colour) |
239 |
{ |
240 |
switch (g_server_bpp) |
241 |
{ |
242 |
case 15: |
243 |
switch (g_bpp) |
244 |
{ |
245 |
case 16: |
246 |
colour = make_colour16(split_colour15(colour)); |
247 |
break; |
248 |
case 24: |
249 |
colour = make_colour24(split_colour15(colour)); |
250 |
break; |
251 |
case 32: |
252 |
colour = make_colour32(split_colour15(colour)); |
253 |
break; |
254 |
} |
255 |
break; |
256 |
case 16: |
257 |
switch (g_bpp) |
258 |
{ |
259 |
case 16: |
260 |
break; |
261 |
case 24: |
262 |
colour = make_colour24(split_colour16(colour)); |
263 |
break; |
264 |
case 32: |
265 |
colour = make_colour32(split_colour16(colour)); |
266 |
break; |
267 |
} |
268 |
break; |
269 |
case 24: |
270 |
switch (g_bpp) |
271 |
{ |
272 |
case 16: |
273 |
colour = make_colour16(split_colour24(colour)); |
274 |
break; |
275 |
case 24: |
276 |
break; |
277 |
case 32: |
278 |
colour = make_colour32(split_colour24(colour)); |
279 |
break; |
280 |
} |
281 |
break; |
282 |
} |
283 |
return colour; |
284 |
} |
285 |
|
286 |
static void |
287 |
translate8to8(uint8 * data, uint8 * out, uint8 * end) |
288 |
{ |
289 |
while (out < end) |
290 |
*(out++) = (uint8) g_colmap[*(data++)]; |
291 |
} |
292 |
|
293 |
static void |
294 |
translate8to16(uint8 * data, uint16 * out, uint16 * end) |
295 |
{ |
296 |
while (out < end) |
297 |
*(out++) = (uint16) g_colmap[*(data++)]; |
298 |
} |
299 |
|
300 |
/* little endian - conversion happens when colourmap is built */ |
301 |
static void |
302 |
translate8to24(uint8 * data, uint8 * out, uint8 * end) |
303 |
{ |
304 |
uint32 value; |
305 |
|
306 |
while (out < end) |
307 |
{ |
308 |
value = g_colmap[*(data++)]; |
309 |
*(out++) = value; |
310 |
*(out++) = value >> 8; |
311 |
*(out++) = value >> 16; |
312 |
} |
313 |
} |
314 |
|
315 |
static void |
316 |
translate8to32(uint8 * data, uint32 * out, uint32 * end) |
317 |
{ |
318 |
while (out < end) |
319 |
*(out++) = g_colmap[*(data++)]; |
320 |
} |
321 |
|
322 |
/* todo the remaining translate function might need some big endian check ?? */ |
323 |
|
324 |
static void |
325 |
translate15to16(uint16 * data, uint8 * out, uint8 * end) |
326 |
{ |
327 |
uint16 pixel; |
328 |
uint16 value; |
329 |
|
330 |
while (out < end) |
331 |
{ |
332 |
pixel = *(data++); |
333 |
|
334 |
if (g_host_be) |
335 |
{ |
336 |
BSWAP16(pixel)} |
337 |
|
338 |
value = make_colour16(split_colour15(pixel)); |
339 |
|
340 |
if (g_xserver_be) |
341 |
{ |
342 |
*(out++) = value >> 8; |
343 |
*(out++) = value; |
344 |
} |
345 |
else |
346 |
{ |
347 |
*(out++) = value; |
348 |
*(out++) = value >> 8; |
349 |
} |
350 |
} |
351 |
} |
352 |
|
353 |
static void |
354 |
translate15to24(uint16 * data, uint8 * out, uint8 * end) |
355 |
{ |
356 |
uint32 value; |
357 |
uint16 pixel; |
358 |
|
359 |
while (out < end) |
360 |
{ |
361 |
pixel = *(data++); |
362 |
|
363 |
if (g_host_be) |
364 |
{ |
365 |
BSWAP16(pixel)} |
366 |
|
367 |
value = make_colour24(split_colour15(pixel)); |
368 |
if (g_xserver_be) |
369 |
{ |
370 |
*(out++) = value >> 16; |
371 |
*(out++) = value >> 8; |
372 |
*(out++) = value; |
373 |
} |
374 |
else |
375 |
{ |
376 |
*(out++) = value; |
377 |
*(out++) = value >> 8; |
378 |
*(out++) = value >> 16; |
379 |
} |
380 |
} |
381 |
} |
382 |
|
383 |
static void |
384 |
translate15to32(uint16 * data, uint8 * out, uint8 * end) |
385 |
{ |
386 |
uint16 pixel; |
387 |
uint32 value; |
388 |
|
389 |
while (out < end) |
390 |
{ |
391 |
pixel = *(data++); |
392 |
|
393 |
if (g_host_be) |
394 |
{ |
395 |
BSWAP16(pixel); |
396 |
} |
397 |
|
398 |
value = make_colour32(split_colour15(pixel)); |
399 |
|
400 |
if (g_xserver_be) |
401 |
{ |
402 |
*(out++) = value >> 24; |
403 |
*(out++) = value >> 16; |
404 |
*(out++) = value >> 8; |
405 |
*(out++) = value; |
406 |
} |
407 |
else |
408 |
{ |
409 |
*(out++) = value; |
410 |
*(out++) = value >> 8; |
411 |
*(out++) = value >> 16; |
412 |
*(out++) = value >> 24; |
413 |
} |
414 |
} |
415 |
} |
416 |
|
417 |
static void |
418 |
translate16to16(uint16 * data, uint16 * out, uint16 * end) |
419 |
{ |
420 |
uint16 value; |
421 |
|
422 |
if (g_xserver_be) |
423 |
{ |
424 |
while (out < end) |
425 |
{ |
426 |
value = *data; |
427 |
BSWAP16(value); |
428 |
*out = value; |
429 |
data++; |
430 |
out++; |
431 |
} |
432 |
|
433 |
} |
434 |
else |
435 |
{ |
436 |
while (out < end) |
437 |
{ |
438 |
*out = *data; |
439 |
out++; |
440 |
data++; |
441 |
} |
442 |
} |
443 |
} |
444 |
|
445 |
|
446 |
static void |
447 |
translate16to24(uint16 * data, uint8 * out, uint8 * end) |
448 |
{ |
449 |
uint32 value; |
450 |
uint16 pixel; |
451 |
|
452 |
while (out < end) |
453 |
{ |
454 |
pixel = *(data++); |
455 |
|
456 |
if (g_host_be) |
457 |
{ |
458 |
BSWAP16(pixel)} |
459 |
|
460 |
value = make_colour24(split_colour16(pixel)); |
461 |
|
462 |
if (g_xserver_be) |
463 |
{ |
464 |
*(out++) = value >> 16; |
465 |
*(out++) = value >> 8; |
466 |
*(out++) = value; |
467 |
} |
468 |
else |
469 |
{ |
470 |
*(out++) = value; |
471 |
*(out++) = value >> 8; |
472 |
*(out++) = value >> 16; |
473 |
} |
474 |
} |
475 |
} |
476 |
|
477 |
static void |
478 |
translate16to32(uint16 * data, uint8 * out, uint8 * end) |
479 |
{ |
480 |
uint16 pixel; |
481 |
uint32 value; |
482 |
|
483 |
while (out < end) |
484 |
{ |
485 |
pixel = *(data++); |
486 |
|
487 |
if (g_host_be) |
488 |
{ |
489 |
BSWAP16(pixel)} |
490 |
|
491 |
value = make_colour32(split_colour16(pixel)); |
492 |
|
493 |
if (g_xserver_be) |
494 |
{ |
495 |
*(out++) = value >> 24; |
496 |
*(out++) = value >> 16; |
497 |
*(out++) = value >> 8; |
498 |
*(out++) = value; |
499 |
} |
500 |
else |
501 |
{ |
502 |
*(out++) = value; |
503 |
*(out++) = value >> 8; |
504 |
*(out++) = value >> 16; |
505 |
*(out++) = value >> 24; |
506 |
} |
507 |
} |
508 |
} |
509 |
|
510 |
static void |
511 |
translate24to16(uint8 * data, uint8 * out, uint8 * end) |
512 |
{ |
513 |
uint32 pixel = 0; |
514 |
uint16 value; |
515 |
while (out < end) |
516 |
{ |
517 |
pixel = *(data++) << 16; |
518 |
pixel |= *(data++) << 8; |
519 |
pixel |= *(data++); |
520 |
|
521 |
value = (uint16) make_colour16(split_colour24(pixel)); |
522 |
|
523 |
if (g_xserver_be) |
524 |
{ |
525 |
*(out++) = value >> 8; |
526 |
*(out++) = value; |
527 |
} |
528 |
else |
529 |
{ |
530 |
*(out++) = value; |
531 |
*(out++) = value >> 8; |
532 |
} |
533 |
} |
534 |
} |
535 |
|
536 |
static void |
537 |
translate24to24(uint8 * data, uint8 * out, uint8 * end) |
538 |
{ |
539 |
while (out < end) |
540 |
{ |
541 |
*(out++) = (*(data++)); |
542 |
} |
543 |
} |
544 |
|
545 |
static void |
546 |
translate24to32(uint8 * data, uint8 * out, uint8 * end) |
547 |
{ |
548 |
while (out < end) |
549 |
{ |
550 |
if (g_xserver_be) |
551 |
{ |
552 |
*(out++) = 0x00; |
553 |
*(out++) = *(data++); |
554 |
*(out++) = *(data++); |
555 |
*(out++) = *(data++); |
556 |
} |
557 |
else |
558 |
{ |
559 |
*(out++) = *(data++); |
560 |
*(out++) = *(data++); |
561 |
*(out++) = *(data++); |
562 |
*(out++) = 0x00; |
563 |
} |
564 |
} |
565 |
} |
566 |
|
567 |
static uint8 * |
568 |
translate_image(int width, int height, uint8 * data) |
569 |
{ |
570 |
int size = width * height * g_bpp / 8; |
571 |
uint8 *out = (uint8 *) xmalloc(size); |
572 |
uint8 *end = out + size; |
573 |
|
574 |
switch (g_server_bpp) |
575 |
{ |
576 |
case 24: |
577 |
switch (g_bpp) |
578 |
{ |
579 |
case 32: |
580 |
translate24to32(data, out, end); |
581 |
break; |
582 |
case 24: |
583 |
translate24to24(data, out, end); |
584 |
break; |
585 |
case 16: |
586 |
translate24to16(data, out, end); |
587 |
break; |
588 |
} |
589 |
break; |
590 |
case 16: |
591 |
switch (g_bpp) |
592 |
{ |
593 |
case 32: |
594 |
translate16to32((uint16 *) data, out, end); |
595 |
break; |
596 |
case 24: |
597 |
translate16to24((uint16 *) data, out, end); |
598 |
break; |
599 |
case 16: |
600 |
translate16to16((uint16 *) data, (uint16 *) out, |
601 |
(uint16 *) end); |
602 |
break; |
603 |
} |
604 |
break; |
605 |
case 15: |
606 |
switch (g_bpp) |
607 |
{ |
608 |
case 32: |
609 |
translate15to32((uint16 *) data, out, end); |
610 |
break; |
611 |
case 24: |
612 |
translate15to24((uint16 *) data, out, end); |
613 |
break; |
614 |
case 16: |
615 |
translate15to16((uint16 *) data, out, end); |
616 |
break; |
617 |
} |
618 |
break; |
619 |
case 8: |
620 |
switch (g_bpp) |
621 |
{ |
622 |
case 8: |
623 |
translate8to8(data, out, end); |
624 |
break; |
625 |
case 16: |
626 |
translate8to16(data, (uint16 *) out, (uint16 *) end); |
627 |
break; |
628 |
case 24: |
629 |
translate8to24(data, out, end); |
630 |
break; |
631 |
case 32: |
632 |
translate8to32(data, (uint32 *) out, (uint32 *) end); |
633 |
break; |
634 |
} |
635 |
break; |
636 |
} |
637 |
return out; |
638 |
} |
639 |
|
640 |
BOOL |
641 |
get_key_state(unsigned int state, uint32 keysym) |
642 |
{ |
643 |
int modifierpos, key, keysymMask = 0; |
644 |
int offset; |
645 |
|
646 |
KeyCode keycode = XKeysymToKeycode(g_display, keysym); |
647 |
|
648 |
if (keycode == NoSymbol) |
649 |
return False; |
650 |
|
651 |
for (modifierpos = 0; modifierpos < 8; modifierpos++) |
652 |
{ |
653 |
offset = g_mod_map->max_keypermod * modifierpos; |
654 |
|
655 |
for (key = 0; key < g_mod_map->max_keypermod; key++) |
656 |
{ |
657 |
if (g_mod_map->modifiermap[offset + key] == keycode) |
658 |
keysymMask |= 1 << modifierpos; |
659 |
} |
660 |
} |
661 |
|
662 |
return (state & keysymMask) ? True : False; |
663 |
} |
664 |
|
665 |
BOOL |
666 |
ui_init(void) |
667 |
{ |
668 |
XPixmapFormatValues *pfm; |
669 |
uint16 test; |
670 |
int i; |
671 |
|
672 |
g_display = XOpenDisplay(NULL); |
673 |
if (g_display == NULL) |
674 |
{ |
675 |
error("Failed to open display: %s\n", XDisplayName(NULL)); |
676 |
return False; |
677 |
} |
678 |
|
679 |
g_x_socket = ConnectionNumber(g_display); |
680 |
g_screen = DefaultScreenOfDisplay(g_display); |
681 |
g_visual = DefaultVisualOfScreen(g_screen); |
682 |
g_depth = DefaultDepthOfScreen(g_screen); |
683 |
|
684 |
pfm = XListPixmapFormats(g_display, &i); |
685 |
if (pfm != NULL) |
686 |
{ |
687 |
/* Use maximum bpp for this depth - this is generally |
688 |
desirable, e.g. 24 bits->32 bits. */ |
689 |
while (i--) |
690 |
{ |
691 |
if ((pfm[i].depth == g_depth) && (pfm[i].bits_per_pixel > g_bpp)) |
692 |
{ |
693 |
g_bpp = pfm[i].bits_per_pixel; |
694 |
} |
695 |
} |
696 |
XFree(pfm); |
697 |
} |
698 |
|
699 |
if (g_bpp < 8) |
700 |
{ |
701 |
error("Less than 8 bpp not currently supported.\n"); |
702 |
XCloseDisplay(g_display); |
703 |
return False; |
704 |
} |
705 |
|
706 |
if (g_owncolmap != True) |
707 |
{ |
708 |
g_xcolmap = DefaultColormapOfScreen(g_screen); |
709 |
if (g_depth <= 8) |
710 |
warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n"); |
711 |
} |
712 |
|
713 |
g_gc = XCreateGC(g_display, RootWindowOfScreen(g_screen), 0, NULL); |
714 |
|
715 |
if (DoesBackingStore(g_screen) != Always) |
716 |
g_ownbackstore = True; |
717 |
|
718 |
test = 1; |
719 |
g_host_be = !(BOOL) (*(uint8 *) (&test)); |
720 |
g_xserver_be = (ImageByteOrder(g_display) == MSBFirst); |
721 |
|
722 |
/* |
723 |
* Determine desktop size |
724 |
*/ |
725 |
if (g_width < 0) |
726 |
{ |
727 |
/* Percent of screen */ |
728 |
g_height = HeightOfScreen(g_screen) * (-g_width) / 100; |
729 |
g_width = WidthOfScreen(g_screen) * (-g_width) / 100; |
730 |
} |
731 |
else if (g_width == 0) |
732 |
{ |
733 |
/* Fetch geometry from _NET_WORKAREA */ |
734 |
uint32 x, y, cx, cy; |
735 |
|
736 |
if (get_current_workarea(&x, &y, &cx, &cy) == 0) |
737 |
{ |
738 |
g_width = cx; |
739 |
g_height = cy; |
740 |
} |
741 |
else |
742 |
{ |
743 |
warning("Failed to get workarea: probably your window manager does not support extended hints\n"); |
744 |
g_width = 800; |
745 |
g_height = 600; |
746 |
} |
747 |
} |
748 |
else if (g_fullscreen) |
749 |
{ |
750 |
g_width = WidthOfScreen(g_screen); |
751 |
g_height = HeightOfScreen(g_screen); |
752 |
} |
753 |
|
754 |
/* make sure width is a multiple of 4 */ |
755 |
g_width = (g_width + 3) & ~3; |
756 |
|
757 |
if (g_ownbackstore) |
758 |
{ |
759 |
g_backstore = |
760 |
XCreatePixmap(g_display, RootWindowOfScreen(g_screen), g_width, g_height, |
761 |
g_depth); |
762 |
|
763 |
/* clear to prevent rubbish being exposed at startup */ |
764 |
XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen)); |
765 |
XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height); |
766 |
} |
767 |
|
768 |
g_mod_map = XGetModifierMapping(g_display); |
769 |
|
770 |
xkeymap_init(); |
771 |
|
772 |
if (g_enable_compose) |
773 |
g_IM = XOpenIM(g_display, NULL, NULL, NULL); |
774 |
|
775 |
xclip_init(); |
776 |
|
777 |
/* todo take this out when high colour is done */ |
778 |
printf("server bpp %d client bpp %d depth %d\n", g_server_bpp, g_bpp, g_depth); |
779 |
|
780 |
return True; |
781 |
} |
782 |
|
783 |
void |
784 |
ui_deinit(void) |
785 |
{ |
786 |
if (g_IM != NULL) |
787 |
XCloseIM(g_IM); |
788 |
|
789 |
XFreeModifiermap(g_mod_map); |
790 |
|
791 |
if (g_ownbackstore) |
792 |
XFreePixmap(g_display, g_backstore); |
793 |
|
794 |
XFreeGC(g_display, g_gc); |
795 |
XCloseDisplay(g_display); |
796 |
g_display = NULL; |
797 |
} |
798 |
|
799 |
BOOL |
800 |
ui_create_window(void) |
801 |
{ |
802 |
XSetWindowAttributes attribs; |
803 |
XClassHint *classhints; |
804 |
XSizeHints *sizehints; |
805 |
int wndwidth, wndheight; |
806 |
long input_mask, ic_input_mask; |
807 |
XEvent xevent; |
808 |
|
809 |
wndwidth = g_fullscreen ? WidthOfScreen(g_screen) : g_width; |
810 |
wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height; |
811 |
|
812 |
attribs.background_pixel = BlackPixelOfScreen(g_screen); |
813 |
attribs.backing_store = g_ownbackstore ? NotUseful : Always; |
814 |
attribs.override_redirect = g_fullscreen; |
815 |
|
816 |
g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, wndwidth, wndheight, |
817 |
0, CopyFromParent, InputOutput, CopyFromParent, |
818 |
CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
819 |
|
820 |
XStoreName(g_display, g_wnd, g_title); |
821 |
|
822 |
if (g_hide_decorations) |
823 |
mwm_hide_decorations(); |
824 |
|
825 |
classhints = XAllocClassHint(); |
826 |
if (classhints != NULL) |
827 |
{ |
828 |
classhints->res_name = classhints->res_class = "rdesktop"; |
829 |
XSetClassHint(g_display, g_wnd, classhints); |
830 |
XFree(classhints); |
831 |
} |
832 |
|
833 |
sizehints = XAllocSizeHints(); |
834 |
if (sizehints) |
835 |
{ |
836 |
sizehints->flags = PMinSize | PMaxSize; |
837 |
sizehints->min_width = sizehints->max_width = g_width; |
838 |
sizehints->min_height = sizehints->max_height = g_height; |
839 |
XSetWMNormalHints(g_display, g_wnd, sizehints); |
840 |
XFree(sizehints); |
841 |
} |
842 |
|
843 |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
844 |
VisibilityChangeMask | FocusChangeMask; |
845 |
|
846 |
if (g_sendmotion) |
847 |
input_mask |= PointerMotionMask; |
848 |
if (g_ownbackstore) |
849 |
input_mask |= ExposureMask; |
850 |
if (g_fullscreen || g_grab_keyboard) |
851 |
input_mask |= EnterWindowMask; |
852 |
if (g_grab_keyboard) |
853 |
input_mask |= LeaveWindowMask; |
854 |
|
855 |
if (g_IM != NULL) |
856 |
{ |
857 |
g_IC = XCreateIC(g_IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), |
858 |
XNClientWindow, g_wnd, XNFocusWindow, g_wnd, NULL); |
859 |
|
860 |
if ((g_IC != NULL) |
861 |
&& (XGetICValues(g_IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) |
862 |
input_mask |= ic_input_mask; |
863 |
} |
864 |
|
865 |
XSelectInput(g_display, g_wnd, input_mask); |
866 |
XMapWindow(g_display, g_wnd); |
867 |
|
868 |
/* wait for VisibilityNotify */ |
869 |
do |
870 |
{ |
871 |
XMaskEvent(g_display, VisibilityChangeMask, &xevent); |
872 |
} |
873 |
while (xevent.type != VisibilityNotify); |
874 |
|
875 |
g_focused = False; |
876 |
g_mouse_in_wnd = False; |
877 |
|
878 |
/* handle the WM_DELETE_WINDOW protocol */ |
879 |
g_protocol_atom = XInternAtom(g_display, "WM_PROTOCOLS", True); |
880 |
g_kill_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", True); |
881 |
XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1); |
882 |
|
883 |
return True; |
884 |
} |
885 |
|
886 |
void |
887 |
ui_destroy_window(void) |
888 |
{ |
889 |
if (g_IC != NULL) |
890 |
XDestroyIC(g_IC); |
891 |
|
892 |
XDestroyWindow(g_display, g_wnd); |
893 |
} |
894 |
|
895 |
void |
896 |
xwin_toggle_fullscreen(void) |
897 |
{ |
898 |
Pixmap contents = 0; |
899 |
|
900 |
if (!g_ownbackstore) |
901 |
{ |
902 |
/* need to save contents of window */ |
903 |
contents = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth); |
904 |
XCopyArea(g_display, g_wnd, contents, g_gc, 0, 0, g_width, g_height, 0, 0); |
905 |
} |
906 |
|
907 |
ui_destroy_window(); |
908 |
g_fullscreen = !g_fullscreen; |
909 |
ui_create_window(); |
910 |
|
911 |
XDefineCursor(g_display, g_wnd, g_current_cursor); |
912 |
|
913 |
if (!g_ownbackstore) |
914 |
{ |
915 |
XCopyArea(g_display, contents, g_wnd, g_gc, 0, 0, g_width, g_height, 0, 0); |
916 |
XFreePixmap(g_display, contents); |
917 |
} |
918 |
} |
919 |
|
920 |
/* Process all events in Xlib queue |
921 |
Returns 0 after user quit, 1 otherwise */ |
922 |
static int |
923 |
xwin_process_events(void) |
924 |
{ |
925 |
XEvent xevent; |
926 |
KeySym keysym; |
927 |
uint16 button, flags; |
928 |
uint32 ev_time; |
929 |
key_translation tr; |
930 |
char str[256]; |
931 |
Status status; |
932 |
unsigned int state; |
933 |
Window wdummy; |
934 |
int dummy; |
935 |
|
936 |
while (XPending(g_display) > 0) |
937 |
{ |
938 |
XNextEvent(g_display, &xevent); |
939 |
|
940 |
if ((g_IC != NULL) && (XFilterEvent(&xevent, None) == True)) |
941 |
{ |
942 |
DEBUG_KBD(("Filtering event\n")); |
943 |
continue; |
944 |
} |
945 |
|
946 |
flags = 0; |
947 |
|
948 |
switch (xevent.type) |
949 |
{ |
950 |
case ClientMessage: |
951 |
/* the window manager told us to quit */ |
952 |
if ((xevent.xclient.message_type == g_protocol_atom) |
953 |
&& ((Atom) xevent.xclient.data.l[0] == g_kill_atom)) |
954 |
/* Quit */ |
955 |
return 0; |
956 |
break; |
957 |
|
958 |
case KeyPress: |
959 |
g_last_gesturetime = xevent.xkey.time; |
960 |
if (g_IC != NULL) |
961 |
/* Multi_key compatible version */ |
962 |
{ |
963 |
XmbLookupString(g_IC, |
964 |
&xevent.xkey, str, sizeof(str), &keysym, |
965 |
&status); |
966 |
if (!((status == XLookupKeySym) || (status == XLookupBoth))) |
967 |
{ |
968 |
error("XmbLookupString failed with status 0x%x\n", |
969 |
status); |
970 |
break; |
971 |
} |
972 |
} |
973 |
else |
974 |
{ |
975 |
/* Plain old XLookupString */ |
976 |
DEBUG_KBD(("\nNo input context, using XLookupString\n")); |
977 |
XLookupString((XKeyEvent *) & xevent, |
978 |
str, sizeof(str), &keysym, NULL); |
979 |
} |
980 |
|
981 |
DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, |
982 |
get_ksname(keysym))); |
983 |
|
984 |
ev_time = time(NULL); |
985 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, True)) |
986 |
break; |
987 |
|
988 |
tr = xkeymap_translate_key(keysym, |
989 |
xevent.xkey.keycode, xevent.xkey.state); |
990 |
|
991 |
if (tr.scancode == 0) |
992 |
break; |
993 |
|
994 |
save_remote_modifiers(tr.scancode); |
995 |
ensure_remote_modifiers(ev_time, tr); |
996 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
997 |
restore_remote_modifiers(ev_time, tr.scancode); |
998 |
|
999 |
break; |
1000 |
|
1001 |
case KeyRelease: |
1002 |
g_last_gesturetime = xevent.xkey.time; |
1003 |
XLookupString((XKeyEvent *) & xevent, str, |
1004 |
sizeof(str), &keysym, NULL); |
1005 |
|
1006 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
1007 |
get_ksname(keysym))); |
1008 |
|
1009 |
ev_time = time(NULL); |
1010 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False)) |
1011 |
break; |
1012 |
|
1013 |
tr = xkeymap_translate_key(keysym, |
1014 |
xevent.xkey.keycode, xevent.xkey.state); |
1015 |
|
1016 |
if (tr.scancode == 0) |
1017 |
break; |
1018 |
|
1019 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
1020 |
break; |
1021 |
|
1022 |
case ButtonPress: |
1023 |
flags = MOUSE_FLAG_DOWN; |
1024 |
/* fall through */ |
1025 |
|
1026 |
case ButtonRelease: |
1027 |
g_last_gesturetime = xevent.xbutton.time; |
1028 |
button = xkeymap_translate_button(xevent.xbutton.button); |
1029 |
if (button == 0) |
1030 |
break; |
1031 |
|
1032 |
/* If win_button_size is nonzero, enable single app mode */ |
1033 |
if (xevent.xbutton.y < g_win_button_size) |
1034 |
{ |
1035 |
/* Stop moving window when button is released, regardless of cursor position */ |
1036 |
if (g_moving_wnd && (xevent.type == ButtonRelease)) |
1037 |
g_moving_wnd = False; |
1038 |
|
1039 |
/* Check from right to left: */ |
1040 |
|
1041 |
if (xevent.xbutton.x >= g_width - g_win_button_size) |
1042 |
{ |
1043 |
/* The close button, continue */ |
1044 |
; |
1045 |
} |
1046 |
else if (xevent.xbutton.x >= |
1047 |
g_width - g_win_button_size * 2) |
1048 |
{ |
1049 |
/* The maximize/restore button. Do not send to |
1050 |
server. It might be a good idea to change the |
1051 |
cursor or give some other visible indication |
1052 |
that rdesktop inhibited this click */ |
1053 |
break; |
1054 |
} |
1055 |
else if (xevent.xbutton.x >= |
1056 |
g_width - g_win_button_size * 3) |
1057 |
{ |
1058 |
/* The minimize button. Iconify window. */ |
1059 |
XIconifyWindow(g_display, g_wnd, |
1060 |
DefaultScreen(g_display)); |
1061 |
break; |
1062 |
} |
1063 |
else if (xevent.xbutton.x <= g_win_button_size) |
1064 |
{ |
1065 |
/* The system menu. Ignore. */ |
1066 |
break; |
1067 |
} |
1068 |
else |
1069 |
{ |
1070 |
/* The title bar. */ |
1071 |
if ((xevent.type == ButtonPress) && !g_fullscreen |
1072 |
&& g_hide_decorations) |
1073 |
{ |
1074 |
g_moving_wnd = True; |
1075 |
g_move_x_offset = xevent.xbutton.x; |
1076 |
g_move_y_offset = xevent.xbutton.y; |
1077 |
} |
1078 |
break; |
1079 |
|
1080 |
} |
1081 |
} |
1082 |
|
1083 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
1084 |
flags | button, xevent.xbutton.x, xevent.xbutton.y); |
1085 |
break; |
1086 |
|
1087 |
case MotionNotify: |
1088 |
if (g_moving_wnd) |
1089 |
{ |
1090 |
XMoveWindow(g_display, g_wnd, |
1091 |
xevent.xmotion.x_root - g_move_x_offset, |
1092 |
xevent.xmotion.y_root - g_move_y_offset); |
1093 |
break; |
1094 |
} |
1095 |
|
1096 |
if (g_fullscreen && !g_focused) |
1097 |
XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, |
1098 |
CurrentTime); |
1099 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
1100 |
MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); |
1101 |
break; |
1102 |
|
1103 |
case FocusIn: |
1104 |
if (xevent.xfocus.mode == NotifyGrab) |
1105 |
break; |
1106 |
g_focused = True; |
1107 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, |
1108 |
&dummy, &dummy, &state); |
1109 |
reset_modifier_keys(state); |
1110 |
if (g_grab_keyboard && g_mouse_in_wnd) |
1111 |
XGrabKeyboard(g_display, g_wnd, True, |
1112 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
1113 |
break; |
1114 |
|
1115 |
case FocusOut: |
1116 |
if (xevent.xfocus.mode == NotifyUngrab) |
1117 |
break; |
1118 |
g_focused = False; |
1119 |
if (xevent.xfocus.mode == NotifyWhileGrabbed) |
1120 |
XUngrabKeyboard(g_display, CurrentTime); |
1121 |
break; |
1122 |
|
1123 |
case EnterNotify: |
1124 |
/* we only register for this event when in fullscreen mode */ |
1125 |
/* or grab_keyboard */ |
1126 |
g_mouse_in_wnd = True; |
1127 |
if (g_fullscreen) |
1128 |
{ |
1129 |
XSetInputFocus(g_display, g_wnd, RevertToPointerRoot, |
1130 |
CurrentTime); |
1131 |
break; |
1132 |
} |
1133 |
if (g_focused) |
1134 |
XGrabKeyboard(g_display, g_wnd, True, |
1135 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
1136 |
break; |
1137 |
|
1138 |
case LeaveNotify: |
1139 |
/* we only register for this event when grab_keyboard */ |
1140 |
g_mouse_in_wnd = False; |
1141 |
XUngrabKeyboard(g_display, CurrentTime); |
1142 |
break; |
1143 |
|
1144 |
case Expose: |
1145 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, |
1146 |
xevent.xexpose.x, xevent.xexpose.y, |
1147 |
xevent.xexpose.width, |
1148 |
xevent.xexpose.height, |
1149 |
xevent.xexpose.x, xevent.xexpose.y); |
1150 |
break; |
1151 |
|
1152 |
case MappingNotify: |
1153 |
/* Refresh keyboard mapping if it has changed. This is important for |
1154 |
Xvnc, since it allocates keycodes dynamically */ |
1155 |
if (xevent.xmapping.request == MappingKeyboard |
1156 |
|| xevent.xmapping.request == MappingModifier) |
1157 |
XRefreshKeyboardMapping(&xevent.xmapping); |
1158 |
|
1159 |
if (xevent.xmapping.request == MappingModifier) |
1160 |
{ |
1161 |
XFreeModifiermap(g_mod_map); |
1162 |
g_mod_map = XGetModifierMapping(g_display); |
1163 |
} |
1164 |
break; |
1165 |
|
1166 |
/* clipboard stuff */ |
1167 |
case SelectionNotify: |
1168 |
xclip_handle_SelectionNotify(&xevent.xselection); |
1169 |
break; |
1170 |
case SelectionRequest: |
1171 |
xclip_handle_SelectionRequest(&xevent.xselectionrequest); |
1172 |
break; |
1173 |
case SelectionClear: |
1174 |
xclip_handle_SelectionClear(); |
1175 |
break; |
1176 |
case PropertyNotify: |
1177 |
xclip_handle_PropertyNotify(&xevent.xproperty); |
1178 |
break; |
1179 |
} |
1180 |
} |
1181 |
/* Keep going */ |
1182 |
return 1; |
1183 |
} |
1184 |
|
1185 |
/* Returns 0 after user quit, 1 otherwise */ |
1186 |
int |
1187 |
ui_select(int rdp_socket) |
1188 |
{ |
1189 |
int n = (rdp_socket > g_x_socket) ? rdp_socket + 1 : g_x_socket + 1; |
1190 |
fd_set rfds, wfds; |
1191 |
|
1192 |
while (True) |
1193 |
{ |
1194 |
/* Process any events already waiting */ |
1195 |
if (!xwin_process_events()) |
1196 |
/* User quit */ |
1197 |
return 0; |
1198 |
|
1199 |
FD_ZERO(&rfds); |
1200 |
FD_ZERO(&wfds); |
1201 |
FD_SET(rdp_socket, &rfds); |
1202 |
FD_SET(g_x_socket, &rfds); |
1203 |
|
1204 |
#ifdef WITH_RDPSND |
1205 |
/* FIXME: there should be an API for registering fds */ |
1206 |
if (g_dsp_busy) |
1207 |
{ |
1208 |
FD_SET(g_dsp_fd, &wfds); |
1209 |
n = (g_dsp_fd + 1 > n) ? g_dsp_fd + 1 : n; |
1210 |
} |
1211 |
#endif |
1212 |
|
1213 |
switch (select(n, &rfds, &wfds, NULL, NULL)) |
1214 |
{ |
1215 |
case -1: |
1216 |
error("select: %s\n", strerror(errno)); |
1217 |
|
1218 |
case 0: |
1219 |
continue; |
1220 |
} |
1221 |
|
1222 |
if (FD_ISSET(rdp_socket, &rfds)) |
1223 |
return 1; |
1224 |
|
1225 |
#ifdef WITH_RDPSND |
1226 |
if (g_dsp_busy && FD_ISSET(g_dsp_fd, &wfds)) |
1227 |
wave_out_play(); |
1228 |
#endif |
1229 |
} |
1230 |
} |
1231 |
|
1232 |
void |
1233 |
ui_move_pointer(int x, int y) |
1234 |
{ |
1235 |
XWarpPointer(g_display, g_wnd, g_wnd, 0, 0, 0, 0, x, y); |
1236 |
} |
1237 |
|
1238 |
HBITMAP |
1239 |
ui_create_bitmap(int width, int height, uint8 * data) |
1240 |
{ |
1241 |
XImage *image; |
1242 |
Pixmap bitmap; |
1243 |
uint8 *tdata; |
1244 |
|
1245 |
tdata = (g_owncolmap ? data : translate_image(width, height, data)); |
1246 |
bitmap = XCreatePixmap(g_display, g_wnd, width, height, g_depth); |
1247 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1248 |
(char *) tdata, width, height, g_server_bpp == 8 ? 8 : g_bpp, 0); |
1249 |
|
1250 |
XPutImage(g_display, bitmap, g_gc, image, 0, 0, 0, 0, width, height); |
1251 |
|
1252 |
XFree(image); |
1253 |
if (!g_owncolmap) |
1254 |
xfree(tdata); |
1255 |
return (HBITMAP) bitmap; |
1256 |
} |
1257 |
|
1258 |
void |
1259 |
ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) |
1260 |
{ |
1261 |
XImage *image; |
1262 |
uint8 *tdata; |
1263 |
tdata = (g_owncolmap ? data : translate_image(width, height, data)); |
1264 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1265 |
(char *) tdata, width, height, g_server_bpp == 8 ? 8 : g_bpp, 0); |
1266 |
|
1267 |
if (g_ownbackstore) |
1268 |
{ |
1269 |
XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); |
1270 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); |
1271 |
} |
1272 |
else |
1273 |
{ |
1274 |
XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); |
1275 |
} |
1276 |
|
1277 |
XFree(image); |
1278 |
if (!g_owncolmap) |
1279 |
xfree(tdata); |
1280 |
} |
1281 |
|
1282 |
void |
1283 |
ui_destroy_bitmap(HBITMAP bmp) |
1284 |
{ |
1285 |
XFreePixmap(g_display, (Pixmap) bmp); |
1286 |
} |
1287 |
|
1288 |
HGLYPH |
1289 |
ui_create_glyph(int width, int height, uint8 * data) |
1290 |
{ |
1291 |
XImage *image; |
1292 |
Pixmap bitmap; |
1293 |
int scanline; |
1294 |
GC gc; |
1295 |
|
1296 |
scanline = (width + 7) / 8; |
1297 |
|
1298 |
bitmap = XCreatePixmap(g_display, g_wnd, width, height, 1); |
1299 |
gc = XCreateGC(g_display, bitmap, 0, NULL); |
1300 |
|
1301 |
image = XCreateImage(g_display, g_visual, 1, ZPixmap, 0, (char *) data, |
1302 |
width, height, 8, scanline); |
1303 |
image->byte_order = MSBFirst; |
1304 |
image->bitmap_bit_order = MSBFirst; |
1305 |
XInitImage(image); |
1306 |
|
1307 |
XPutImage(g_display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
1308 |
|
1309 |
XFree(image); |
1310 |
XFreeGC(g_display, gc); |
1311 |
return (HGLYPH) bitmap; |
1312 |
} |
1313 |
|
1314 |
void |
1315 |
ui_destroy_glyph(HGLYPH glyph) |
1316 |
{ |
1317 |
XFreePixmap(g_display, (Pixmap) glyph); |
1318 |
} |
1319 |
|
1320 |
HCURSOR |
1321 |
ui_create_cursor(unsigned int x, unsigned int y, int width, int height, |
1322 |
uint8 * andmask, uint8 * xormask) |
1323 |
{ |
1324 |
HGLYPH maskglyph, cursorglyph; |
1325 |
XColor bg, fg; |
1326 |
Cursor xcursor; |
1327 |
uint8 *cursor, *pcursor; |
1328 |
uint8 *mask, *pmask; |
1329 |
uint8 nextbit; |
1330 |
int scanline, offset; |
1331 |
int i, j; |
1332 |
|
1333 |
scanline = (width + 7) / 8; |
1334 |
offset = scanline * height; |
1335 |
|
1336 |
cursor = (uint8 *) xmalloc(offset); |
1337 |
memset(cursor, 0, offset); |
1338 |
|
1339 |
mask = (uint8 *) xmalloc(offset); |
1340 |
memset(mask, 0, offset); |
1341 |
|
1342 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
1343 |
for (i = 0; i < height; i++) |
1344 |
{ |
1345 |
offset -= scanline; |
1346 |
pcursor = &cursor[offset]; |
1347 |
pmask = &mask[offset]; |
1348 |
|
1349 |
for (j = 0; j < scanline; j++) |
1350 |
{ |
1351 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
1352 |
{ |
1353 |
if (xormask[0] || xormask[1] || xormask[2]) |
1354 |
{ |
1355 |
*pcursor |= (~(*andmask) & nextbit); |
1356 |
*pmask |= nextbit; |
1357 |
} |
1358 |
else |
1359 |
{ |
1360 |
*pcursor |= ((*andmask) & nextbit); |
1361 |
*pmask |= (~(*andmask) & nextbit); |
1362 |
} |
1363 |
|
1364 |
xormask += 3; |
1365 |
} |
1366 |
|
1367 |
andmask++; |
1368 |
pcursor++; |
1369 |
pmask++; |
1370 |
} |
1371 |
} |
1372 |
|
1373 |
fg.red = fg.blue = fg.green = 0xffff; |
1374 |
bg.red = bg.blue = bg.green = 0x0000; |
1375 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
1376 |
|
1377 |
cursorglyph = ui_create_glyph(width, height, cursor); |
1378 |
maskglyph = ui_create_glyph(width, height, mask); |
1379 |
|
1380 |
xcursor = |
1381 |
XCreatePixmapCursor(g_display, (Pixmap) cursorglyph, |
1382 |
(Pixmap) maskglyph, &fg, &bg, x, y); |
1383 |
|
1384 |
ui_destroy_glyph(maskglyph); |
1385 |
ui_destroy_glyph(cursorglyph); |
1386 |
xfree(mask); |
1387 |
xfree(cursor); |
1388 |
return (HCURSOR) xcursor; |
1389 |
} |
1390 |
|
1391 |
void |
1392 |
ui_set_cursor(HCURSOR cursor) |
1393 |
{ |
1394 |
g_current_cursor = (Cursor) cursor; |
1395 |
XDefineCursor(g_display, g_wnd, g_current_cursor); |
1396 |
} |
1397 |
|
1398 |
void |
1399 |
ui_destroy_cursor(HCURSOR cursor) |
1400 |
{ |
1401 |
XFreeCursor(g_display, (Cursor) cursor); |
1402 |
} |
1403 |
|
1404 |
#define MAKE_XCOLOR(xc,c) \ |
1405 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
1406 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
1407 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
1408 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
1409 |
|
1410 |
|
1411 |
HCOLOURMAP |
1412 |
ui_create_colourmap(COLOURMAP * colours) |
1413 |
{ |
1414 |
COLOURENTRY *entry; |
1415 |
int i, ncolours = colours->ncolours; |
1416 |
if (!g_owncolmap) |
1417 |
{ |
1418 |
uint32 *map = (uint32 *) xmalloc(sizeof(*g_colmap) * ncolours); |
1419 |
XColor xentry; |
1420 |
XColor xc_cache[256]; |
1421 |
uint32 colour; |
1422 |
int colLookup = 256; |
1423 |
for (i = 0; i < ncolours; i++) |
1424 |
{ |
1425 |
entry = &colours->colours[i]; |
1426 |
MAKE_XCOLOR(&xentry, entry); |
1427 |
|
1428 |
if (XAllocColor(g_display, g_xcolmap, &xentry) == 0) |
1429 |
{ |
1430 |
/* Allocation failed, find closest match. */ |
1431 |
int j = 256; |
1432 |
int nMinDist = 3 * 256 * 256; |
1433 |
long nDist = nMinDist; |
1434 |
|
1435 |
/* only get the colors once */ |
1436 |
while (colLookup--) |
1437 |
{ |
1438 |
xc_cache[colLookup].pixel = colLookup; |
1439 |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
1440 |
xc_cache[colLookup].blue = 0; |
1441 |
xc_cache[colLookup].flags = 0; |
1442 |
XQueryColor(g_display, |
1443 |
DefaultColormap(g_display, |
1444 |
DefaultScreen(g_display)), |
1445 |
&xc_cache[colLookup]); |
1446 |
} |
1447 |
colLookup = 0; |
1448 |
|
1449 |
/* approximate the pixel */ |
1450 |
while (j--) |
1451 |
{ |
1452 |
if (xc_cache[j].flags) |
1453 |
{ |
1454 |
nDist = ((long) (xc_cache[j].red >> 8) - |
1455 |
(long) (xentry.red >> 8)) * |
1456 |
((long) (xc_cache[j].red >> 8) - |
1457 |
(long) (xentry.red >> 8)) + |
1458 |
((long) (xc_cache[j].green >> 8) - |
1459 |
(long) (xentry.green >> 8)) * |
1460 |
((long) (xc_cache[j].green >> 8) - |
1461 |
(long) (xentry.green >> 8)) + |
1462 |
((long) (xc_cache[j].blue >> 8) - |
1463 |
(long) (xentry.blue >> 8)) * |
1464 |
((long) (xc_cache[j].blue >> 8) - |
1465 |
(long) (xentry.blue >> 8)); |
1466 |
} |
1467 |
if (nDist < nMinDist) |
1468 |
{ |
1469 |
nMinDist = nDist; |
1470 |
xentry.pixel = j; |
1471 |
} |
1472 |
} |
1473 |
} |
1474 |
colour = xentry.pixel; |
1475 |
|
1476 |
/* update our cache */ |
1477 |
if (xentry.pixel < 256) |
1478 |
{ |
1479 |
xc_cache[xentry.pixel].red = xentry.red; |
1480 |
xc_cache[xentry.pixel].green = xentry.green; |
1481 |
xc_cache[xentry.pixel].blue = xentry.blue; |
1482 |
|
1483 |
} |
1484 |
|
1485 |
|
1486 |
/* byte swap here to make translate_image faster */ |
1487 |
map[i] = translate_colour(colour); |
1488 |
} |
1489 |
return map; |
1490 |
} |
1491 |
else |
1492 |
{ |
1493 |
XColor *xcolours, *xentry; |
1494 |
Colormap map; |
1495 |
|
1496 |
xcolours = (XColor *) xmalloc(sizeof(XColor) * ncolours); |
1497 |
for (i = 0; i < ncolours; i++) |
1498 |
{ |
1499 |
entry = &colours->colours[i]; |
1500 |
xentry = &xcolours[i]; |
1501 |
xentry->pixel = i; |
1502 |
MAKE_XCOLOR(xentry, entry); |
1503 |
} |
1504 |
|
1505 |
map = XCreateColormap(g_display, g_wnd, g_visual, AllocAll); |
1506 |
XStoreColors(g_display, map, xcolours, ncolours); |
1507 |
|
1508 |
xfree(xcolours); |
1509 |
return (HCOLOURMAP) map; |
1510 |
} |
1511 |
} |
1512 |
|
1513 |
void |
1514 |
ui_destroy_colourmap(HCOLOURMAP map) |
1515 |
{ |
1516 |
if (!g_owncolmap) |
1517 |
xfree(map); |
1518 |
else |
1519 |
XFreeColormap(g_display, (Colormap) map); |
1520 |
} |
1521 |
|
1522 |
void |
1523 |
ui_set_colourmap(HCOLOURMAP map) |
1524 |
{ |
1525 |
if (!g_owncolmap) |
1526 |
{ |
1527 |
if (g_colmap) |
1528 |
xfree(g_colmap); |
1529 |
|
1530 |
g_colmap = (uint32 *) map; |
1531 |
} |
1532 |
else |
1533 |
XSetWindowColormap(g_display, g_wnd, (Colormap) map); |
1534 |
} |
1535 |
|
1536 |
void |
1537 |
ui_set_clip(int x, int y, int cx, int cy) |
1538 |
{ |
1539 |
XRectangle rect; |
1540 |
|
1541 |
rect.x = x; |
1542 |
rect.y = y; |
1543 |
rect.width = cx; |
1544 |
rect.height = cy; |
1545 |
XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); |
1546 |
} |
1547 |
|
1548 |
void |
1549 |
ui_reset_clip(void) |
1550 |
{ |
1551 |
XRectangle rect; |
1552 |
|
1553 |
rect.x = 0; |
1554 |
rect.y = 0; |
1555 |
rect.width = g_width; |
1556 |
rect.height = g_height; |
1557 |
XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); |
1558 |
} |
1559 |
|
1560 |
void |
1561 |
ui_bell(void) |
1562 |
{ |
1563 |
XBell(g_display, 0); |
1564 |
} |
1565 |
|
1566 |
void |
1567 |
ui_destblt(uint8 opcode, |
1568 |
/* dest */ int x, int y, int cx, int cy) |
1569 |
{ |
1570 |
SET_FUNCTION(opcode); |
1571 |
FILL_RECTANGLE(x, y, cx, cy); |
1572 |
RESET_FUNCTION(opcode); |
1573 |
} |
1574 |
|
1575 |
static uint8 hatch_patterns[] = { |
1576 |
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, /* 0 - bsHorizontal */ |
1577 |
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, /* 1 - bsVertical */ |
1578 |
0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, /* 2 - bsFDiagonal */ |
1579 |
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, /* 3 - bsBDiagonal */ |
1580 |
0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08, /* 4 - bsCross */ |
1581 |
0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 /* 5 - bsDiagCross */ |
1582 |
}; |
1583 |
|
1584 |
void |
1585 |
ui_patblt(uint8 opcode, |
1586 |
/* dest */ int x, int y, int cx, int cy, |
1587 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1588 |
{ |
1589 |
Pixmap fill; |
1590 |
uint8 i, ipattern[8]; |
1591 |
|
1592 |
SET_FUNCTION(opcode); |
1593 |
|
1594 |
switch (brush->style) |
1595 |
{ |
1596 |
case 0: /* Solid */ |
1597 |
SET_FOREGROUND(fgcolour); |
1598 |
FILL_RECTANGLE(x, y, cx, cy); |
1599 |
break; |
1600 |
|
1601 |
case 2: /* Hatch */ |
1602 |
fill = (Pixmap) ui_create_glyph(8, 8, |
1603 |
hatch_patterns + brush->pattern[0] * 8); |
1604 |
SET_FOREGROUND(fgcolour); |
1605 |
SET_BACKGROUND(bgcolour); |
1606 |
XSetFillStyle(g_display, g_gc, FillOpaqueStippled); |
1607 |
XSetStipple(g_display, g_gc, fill); |
1608 |
XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); |
1609 |
FILL_RECTANGLE(x, y, cx, cy); |
1610 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1611 |
XSetTSOrigin(g_display, g_gc, 0, 0); |
1612 |
ui_destroy_glyph((HGLYPH) fill); |
1613 |
break; |
1614 |
|
1615 |
case 3: /* Pattern */ |
1616 |
for (i = 0; i != 8; i++) |
1617 |
ipattern[7 - i] = brush->pattern[i]; |
1618 |
fill = (Pixmap) ui_create_glyph(8, 8, ipattern); |
1619 |
|
1620 |
SET_FOREGROUND(bgcolour); |
1621 |
SET_BACKGROUND(fgcolour); |
1622 |
XSetFillStyle(g_display, g_gc, FillOpaqueStippled); |
1623 |
XSetStipple(g_display, g_gc, fill); |
1624 |
XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin); |
1625 |
|
1626 |
FILL_RECTANGLE(x, y, cx, cy); |
1627 |
|
1628 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1629 |
XSetTSOrigin(g_display, g_gc, 0, 0); |
1630 |
ui_destroy_glyph((HGLYPH) fill); |
1631 |
break; |
1632 |
|
1633 |
default: |
1634 |
unimpl("brush %d\n", brush->style); |
1635 |
} |
1636 |
|
1637 |
RESET_FUNCTION(opcode); |
1638 |
} |
1639 |
|
1640 |
void |
1641 |
ui_screenblt(uint8 opcode, |
1642 |
/* dest */ int x, int y, int cx, int cy, |
1643 |
/* src */ int srcx, int srcy) |
1644 |
{ |
1645 |
SET_FUNCTION(opcode); |
1646 |
XCopyArea(g_display, g_wnd, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); |
1647 |
if (g_ownbackstore) |
1648 |
XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); |
1649 |
RESET_FUNCTION(opcode); |
1650 |
} |
1651 |
|
1652 |
void |
1653 |
ui_memblt(uint8 opcode, |
1654 |
/* dest */ int x, int y, int cx, int cy, |
1655 |
/* src */ HBITMAP src, int srcx, int srcy) |
1656 |
{ |
1657 |
SET_FUNCTION(opcode); |
1658 |
XCopyArea(g_display, (Pixmap) src, g_wnd, g_gc, srcx, srcy, cx, cy, x, y); |
1659 |
if (g_ownbackstore) |
1660 |
XCopyArea(g_display, (Pixmap) src, g_backstore, g_gc, srcx, srcy, cx, cy, x, y); |
1661 |
RESET_FUNCTION(opcode); |
1662 |
} |
1663 |
|
1664 |
void |
1665 |
ui_triblt(uint8 opcode, |
1666 |
/* dest */ int x, int y, int cx, int cy, |
1667 |
/* src */ HBITMAP src, int srcx, int srcy, |
1668 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1669 |
{ |
1670 |
/* This is potentially difficult to do in general. Until someone |
1671 |
comes up with a more efficient way of doing it I am using cases. */ |
1672 |
|
1673 |
switch (opcode) |
1674 |
{ |
1675 |
case 0x69: /* PDSxxn */ |
1676 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
1677 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1678 |
break; |
1679 |
|
1680 |
case 0xb8: /* PSDPxax */ |
1681 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1682 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
1683 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1684 |
break; |
1685 |
|
1686 |
case 0xc0: /* PSa */ |
1687 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1688 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); |
1689 |
break; |
1690 |
|
1691 |
default: |
1692 |
unimpl("triblt 0x%x\n", opcode); |
1693 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1694 |
} |
1695 |
} |
1696 |
|
1697 |
void |
1698 |
ui_line(uint8 opcode, |
1699 |
/* dest */ int startx, int starty, int endx, int endy, |
1700 |
/* pen */ PEN * pen) |
1701 |
{ |
1702 |
SET_FUNCTION(opcode); |
1703 |
SET_FOREGROUND(pen->colour); |
1704 |
XDrawLine(g_display, g_wnd, g_gc, startx, starty, endx, endy); |
1705 |
if (g_ownbackstore) |
1706 |
XDrawLine(g_display, g_backstore, g_gc, startx, starty, endx, endy); |
1707 |
RESET_FUNCTION(opcode); |
1708 |
} |
1709 |
|
1710 |
void |
1711 |
ui_rect( |
1712 |
/* dest */ int x, int y, int cx, int cy, |
1713 |
/* brush */ int colour) |
1714 |
{ |
1715 |
SET_FOREGROUND(colour); |
1716 |
FILL_RECTANGLE(x, y, cx, cy); |
1717 |
} |
1718 |
|
1719 |
/* warning, this function only draws on wnd or backstore, not both */ |
1720 |
void |
1721 |
ui_draw_glyph(int mixmode, |
1722 |
/* dest */ int x, int y, int cx, int cy, |
1723 |
/* src */ HGLYPH glyph, int srcx, int srcy, |
1724 |
int bgcolour, int fgcolour) |
1725 |
{ |
1726 |
SET_FOREGROUND(fgcolour); |
1727 |
SET_BACKGROUND(bgcolour); |
1728 |
|
1729 |
XSetFillStyle(g_display, g_gc, |
1730 |
(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); |
1731 |
XSetStipple(g_display, g_gc, (Pixmap) glyph); |
1732 |
XSetTSOrigin(g_display, g_gc, x, y); |
1733 |
|
1734 |
FILL_RECTANGLE_BACKSTORE(x, y, cx, cy); |
1735 |
|
1736 |
XSetFillStyle(g_display, g_gc, FillSolid); |
1737 |
} |
1738 |
|
1739 |
#define DO_GLYPH(ttext,idx) \ |
1740 |
{\ |
1741 |
glyph = cache_get_font (font, ttext[idx]);\ |
1742 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
1743 |
{\ |
1744 |
xyoffset = ttext[++idx];\ |
1745 |
if ((xyoffset & 0x80))\ |
1746 |
{\ |
1747 |
if (flags & TEXT2_VERTICAL) \ |
1748 |
y += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1749 |
else\ |
1750 |
x += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1751 |
idx += 2;\ |
1752 |
}\ |
1753 |
else\ |
1754 |
{\ |
1755 |
if (flags & TEXT2_VERTICAL) \ |
1756 |
y += xyoffset;\ |
1757 |
else\ |
1758 |
x += xyoffset;\ |
1759 |
}\ |
1760 |
}\ |
1761 |
if (glyph != NULL)\ |
1762 |
{\ |
1763 |
ui_draw_glyph (mixmode, x + glyph->offset,\ |
1764 |
y + glyph->baseline,\ |
1765 |
glyph->width, glyph->height,\ |
1766 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
1767 |
if (flags & TEXT2_IMPLICIT_X)\ |
1768 |
x += glyph->width;\ |
1769 |
}\ |
1770 |
} |
1771 |
|
1772 |
void |
1773 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
1774 |
int clipx, int clipy, int clipcx, int clipcy, |
1775 |
int boxx, int boxy, int boxcx, int boxcy, int bgcolour, |
1776 |
int fgcolour, uint8 * text, uint8 length) |
1777 |
{ |
1778 |
FONTGLYPH *glyph; |
1779 |
int i, j, xyoffset; |
1780 |
DATABLOB *entry; |
1781 |
|
1782 |
SET_FOREGROUND(bgcolour); |
1783 |
|
1784 |
if (boxcx > 1) |
1785 |
{ |
1786 |
FILL_RECTANGLE_BACKSTORE(boxx, boxy, boxcx, boxcy); |
1787 |
} |
1788 |
else if (mixmode == MIX_OPAQUE) |
1789 |
{ |
1790 |
FILL_RECTANGLE_BACKSTORE(clipx, clipy, clipcx, clipcy); |
1791 |
} |
1792 |
|
1793 |
/* Paint text, character by character */ |
1794 |
for (i = 0; i < length;) |
1795 |
{ |
1796 |
switch (text[i]) |
1797 |
{ |
1798 |
case 0xff: |
1799 |
if (i + 2 < length) |
1800 |
cache_put_text(text[i + 1], text, text[i + 2]); |
1801 |
else |
1802 |
{ |
1803 |
error("this shouldn't be happening\n"); |
1804 |
exit(1); |
1805 |
} |
1806 |
/* this will move pointer from start to first character after FF command */ |
1807 |
length -= i + 3; |
1808 |
text = &(text[i + 3]); |
1809 |
i = 0; |
1810 |
break; |
1811 |
|
1812 |
case 0xfe: |
1813 |
entry = cache_get_text(text[i + 1]); |
1814 |
if (entry != NULL) |
1815 |
{ |
1816 |
if ((((uint8 *) (entry->data))[1] == |
1817 |
0) && (!(flags & TEXT2_IMPLICIT_X))) |
1818 |
{ |
1819 |
if (flags & TEXT2_VERTICAL) |
1820 |
y += text[i + 2]; |
1821 |
else |
1822 |
x += text[i + 2]; |
1823 |
} |
1824 |
for (j = 0; j < entry->size; j++) |
1825 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
1826 |
} |
1827 |
if (i + 2 < length) |
1828 |
i += 3; |
1829 |
else |
1830 |
i += 2; |
1831 |
length -= i; |
1832 |
/* this will move pointer from start to first character after FE command */ |
1833 |
text = &(text[i]); |
1834 |
i = 0; |
1835 |
break; |
1836 |
|
1837 |
default: |
1838 |
DO_GLYPH(text, i); |
1839 |
i++; |
1840 |
break; |
1841 |
} |
1842 |
} |
1843 |
if (g_ownbackstore) |
1844 |
{ |
1845 |
if (boxcx > 1) |
1846 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, boxx, |
1847 |
boxy, boxcx, boxcy, boxx, boxy); |
1848 |
else |
1849 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, clipx, |
1850 |
clipy, clipcx, clipcy, clipx, clipy); |
1851 |
} |
1852 |
} |
1853 |
|
1854 |
void |
1855 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
1856 |
{ |
1857 |
Pixmap pix; |
1858 |
XImage *image; |
1859 |
|
1860 |
if (g_ownbackstore) |
1861 |
{ |
1862 |
image = XGetImage(g_display, g_backstore, x, y, cx, cy, AllPlanes, ZPixmap); |
1863 |
} |
1864 |
else |
1865 |
{ |
1866 |
pix = XCreatePixmap(g_display, g_wnd, cx, cy, g_depth); |
1867 |
XCopyArea(g_display, g_wnd, pix, g_gc, x, y, cx, cy, 0, 0); |
1868 |
image = XGetImage(g_display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); |
1869 |
XFreePixmap(g_display, pix); |
1870 |
} |
1871 |
|
1872 |
offset *= g_bpp / 8; |
1873 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, g_bpp / 8, (uint8 *) image->data); |
1874 |
|
1875 |
XDestroyImage(image); |
1876 |
} |
1877 |
|
1878 |
void |
1879 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
1880 |
{ |
1881 |
XImage *image; |
1882 |
uint8 *data; |
1883 |
|
1884 |
offset *= g_bpp / 8; |
1885 |
data = cache_get_desktop(offset, cx, cy, g_bpp / 8); |
1886 |
if (data == NULL) |
1887 |
return; |
1888 |
|
1889 |
image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0, |
1890 |
(char *) data, cx, cy, BitmapPad(g_display), cx * g_bpp / 8); |
1891 |
|
1892 |
if (g_ownbackstore) |
1893 |
{ |
1894 |
XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy); |
1895 |
XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y); |
1896 |
} |
1897 |
else |
1898 |
{ |
1899 |
XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy); |
1900 |
} |
1901 |
|
1902 |
XFree(image); |
1903 |
} |