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/* |
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rdesktop: A Remote Desktop Protocol client. |
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User interface services - X-Windows |
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Copyright (C) Matthew Chapman 1999-2000 |
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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 <time.h> |
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#include "rdesktop.h" |
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|
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extern int width; |
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extern int height; |
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extern BOOL motion; |
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|
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static Display *display; |
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static Window wnd; |
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static GC gc; |
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static Visual *visual; |
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static XIM IM; |
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|
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BOOL ui_create_window(char *title) |
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{ |
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Screen *screen; |
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XSetWindowAttributes attribs; |
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unsigned long input_mask; |
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int i; |
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|
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display = XOpenDisplay(NULL); |
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if (display == NULL) |
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{ |
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ERROR("Failed to open display\n"); |
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return False; |
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} |
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|
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/* Check the screen supports 8-bit depth. */ |
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screen = DefaultScreenOfDisplay(display); |
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for (i = 0; i < screen->ndepths; i++) |
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if (screen->depths[i].depth == 8) |
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break; |
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|
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if (i >= screen->ndepths) |
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{ |
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ERROR("8-bit depth required (in this version).\n"); |
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XCloseDisplay(display); |
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return False; |
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} |
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|
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visual = DefaultVisual(display, DefaultScreen(display)); |
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|
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attribs.background_pixel = BlackPixel(display, DefaultScreen(display)); |
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attribs.backing_store = Always; |
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wnd = XCreateWindow(display, DefaultRootWindow(display), |
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0, 0, width, height, 0, 8, InputOutput, visual, |
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CWBackingStore | CWBackPixel, &attribs); |
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|
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XStoreName(display, wnd, title); |
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XMapWindow(display, wnd); |
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|
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input_mask = KeyPressMask | KeyReleaseMask; |
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input_mask |= ButtonPressMask | ButtonReleaseMask; |
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if (motion) |
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input_mask |= PointerMotionMask; |
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|
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XSelectInput(display, wnd, input_mask); |
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gc = XCreateGC(display, wnd, 0, NULL); |
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|
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IM = XOpenIM(display, NULL, NULL, NULL); |
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return True; |
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} |
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|
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void ui_destroy_window() |
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{ |
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XCloseIM(IM); |
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XFreeGC(display, gc); |
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XDestroyWindow(display, wnd); |
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XCloseDisplay(display); |
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} |
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|
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static uint8 xwin_translate_key(unsigned long key) |
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{ |
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DEBUG("KEY(code=0x%lx)\n", key); |
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|
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if ((key > 8) && (key <= 0x60)) |
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return (key - 8); |
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|
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switch (key) |
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{ |
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case 0x62: /* left arrow */ |
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return 0x48; |
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case 0x64: /* up arrow */ |
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return 0x4b; |
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case 0x66: /* down arrow */ |
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return 0x4d; |
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case 0x68: /* right arrow */ |
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return 0x50; |
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case 0x73: /* Windows key */ |
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DEBUG("CHECKPOINT\n"); |
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} |
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|
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return 0; |
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} |
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|
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static uint16 xwin_translate_mouse(unsigned long button) |
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{ |
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switch (button) |
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{ |
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case Button1: /* left */ |
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return MOUSE_FLAG_BUTTON1; |
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case Button2: /* middle */ |
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return MOUSE_FLAG_BUTTON3; |
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case Button3: /* right */ |
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return MOUSE_FLAG_BUTTON2; |
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} |
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|
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return 0; |
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} |
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|
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void ui_process_events() |
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{ |
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XEvent event; |
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uint8 scancode; |
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uint16 button; |
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uint32 ev_time; |
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|
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if (display == NULL) |
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return; |
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|
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while (XCheckWindowEvent(display, wnd, 0xffffffff, &event)) |
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{ |
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ev_time = time(NULL); |
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|
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switch (event.type) |
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{ |
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case KeyPress: |
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scancode = xwin_translate_key(event.xkey.keycode); |
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if (scancode == 0) |
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break; |
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|
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, 0, |
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scancode, 0); |
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break; |
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|
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case KeyRelease: |
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scancode = xwin_translate_key(event.xkey.keycode); |
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if (scancode == 0) |
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break; |
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|
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, |
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KBD_FLAG_DOWN | KBD_FLAG_UP, |
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scancode, 0); |
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break; |
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|
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case ButtonPress: |
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button = xwin_translate_mouse(event.xbutton.button); |
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|
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if (button == 0) |
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break; |
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|
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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button | MOUSE_FLAG_DOWN, |
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event.xbutton.x, |
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event.xbutton.y); |
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break; |
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|
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case ButtonRelease: |
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button = xwin_translate_mouse(event.xbutton.button); |
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if (button == 0) |
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break; |
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|
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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button, |
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event.xbutton.x, |
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event.xbutton.y); |
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break; |
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|
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case MotionNotify: |
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rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
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MOUSE_FLAG_MOVE, |
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event.xmotion.x, |
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event.xmotion.y); |
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} |
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} |
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} |
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|
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void ui_move_pointer(int x, int y) |
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{ |
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XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
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} |
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|
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HBITMAP ui_create_bitmap(int width, int height, uint8 *data) |
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{ |
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XImage *image; |
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Pixmap bitmap; |
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|
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bitmap = XCreatePixmap(display, wnd, width, height, 8); |
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|
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image = XCreateImage(display, visual, 8, ZPixmap, 0, |
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data, width, height, 8, width); |
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XSetFunction(display, gc, GXcopy); |
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XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
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XFree(image); |
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|
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return (HBITMAP)bitmap; |
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} |
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|
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void ui_paint_bitmap(int x, int y, int cx, int cy, |
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int width, int height, uint8 *data) |
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{ |
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XImage *image; |
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|
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image = XCreateImage(display, visual, 8, ZPixmap, 0, |
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data, width, height, 8, width); |
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XSetFunction(display, gc, GXcopy); |
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XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
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XFree(image); |
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} |
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|
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void ui_destroy_bitmap(HBITMAP bmp) |
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{ |
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XFreePixmap(display, (Pixmap)bmp); |
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} |
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|
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HGLYPH ui_create_glyph(int width, int height, uint8 *data) |
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{ |
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XImage *image; |
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Pixmap bitmap; |
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int scanline; |
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GC gc; |
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|
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scanline = (width + 7) / 8; |
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|
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bitmap = XCreatePixmap(display, wnd, width, height, 1); |
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gc = XCreateGC(display, bitmap, 0, NULL); |
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|
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image = XCreateImage(display, visual, 1, ZPixmap, 0, |
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data, width, height, 8, scanline); |
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XSetFunction(display, gc, GXcopy); |
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XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
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XFree(image); |
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XFreeGC(display, gc); |
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|
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return (HGLYPH)bitmap; |
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} |
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|
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void ui_destroy_glyph(HGLYPH glyph) |
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{ |
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XFreePixmap(display, (Pixmap)glyph); |
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} |
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|
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HCOLOURMAP ui_create_colourmap(COLOURMAP *colours) |
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{ |
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COLOURENTRY *entry; |
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XColor *xcolours, *xentry; |
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Colormap map; |
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int i, ncolours = colours->ncolours; |
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|
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xcolours = xmalloc(sizeof(XColor) * ncolours); |
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for (i = 0; i < ncolours; i++) |
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{ |
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entry = &colours->colours[i]; |
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xentry = &xcolours[i]; |
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|
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xentry->pixel = i; |
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xentry->red = entry->red << 8; |
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xentry->blue = entry->blue << 8; |
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xentry->green = entry->green << 8; |
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xentry->flags = DoRed | DoBlue | DoGreen; |
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} |
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|
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map = XCreateColormap(display, wnd, visual, AllocAll); |
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XStoreColors(display, map, xcolours, ncolours); |
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|
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xfree(xcolours); |
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return (HCOLOURMAP)map; |
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} |
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|
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void ui_destroy_colourmap(HCOLOURMAP map) |
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{ |
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XFreeColormap(display, (Colormap)map); |
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} |
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|
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void ui_set_colourmap(HCOLOURMAP map) |
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{ |
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XSetWindowColormap(display, wnd, (Colormap)map); |
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} |
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|
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void ui_set_clip(int x, int y, int cx, int cy) |
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{ |
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XRectangle rect; |
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|
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rect.x = x; |
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rect.y = y; |
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rect.width = cx; |
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rect.height = cy; |
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XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
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} |
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|
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void ui_reset_clip() |
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{ |
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XRectangle rect; |
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|
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rect.x = 0; |
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rect.y = 0; |
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rect.width = width; |
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rect.height = height; |
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XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
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} |
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|
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void ui_bell() |
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{ |
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XBell(display, 0); |
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} |
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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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static void xwin_set_function(uint8 rop2) |
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{ |
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XSetFunction(display, gc, rop2_map[rop2]); |
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} |
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|
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void ui_destblt(uint8 opcode, |
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/* dest */ int x, int y, int cx, int cy) |
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{ |
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xwin_set_function(opcode); |
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|
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XFillRectangle(display, wnd, gc, x, y, cx, cy); |
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} |
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|
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void ui_patblt(uint8 opcode, |
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/* dest */ int x, int y, int cx, int cy, |
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/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
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{ |
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Display *dpy = display; |
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Pixmap fill; |
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|
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xwin_set_function(opcode); |
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|
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switch (brush->style) |
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{ |
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case 0: /* Solid */ |
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XSetForeground(dpy, gc, fgcolour); |
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XFillRectangle(dpy, wnd, gc, x, y, cx, cy); |
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break; |
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|
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case 3: /* Pattern */ |
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fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern); |
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|
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XSetForeground(dpy, gc, fgcolour); |
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XSetBackground(dpy, gc, bgcolour); |
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XSetFillStyle(dpy, gc, FillOpaqueStippled); |
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XSetStipple(dpy, gc, fill); |
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|
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XFillRectangle(dpy, wnd, gc, x, y, cx, cy); |
385 |
|
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XSetFillStyle(dpy, gc, FillSolid); |
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ui_destroy_glyph((HGLYPH)fill); |
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break; |
389 |
|
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default: |
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NOTIMP("brush %d\n", brush->style); |
392 |
} |
393 |
} |
394 |
|
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void ui_screenblt(uint8 opcode, |
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/* dest */ int x, int y, int cx, int cy, |
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/* src */ int srcx, int srcy) |
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{ |
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xwin_set_function(opcode); |
400 |
|
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XCopyArea(display, wnd, wnd, gc, srcx, srcy, |
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cx, cy, x, y); |
403 |
} |
404 |
|
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void ui_memblt(uint8 opcode, |
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/* dest */ int x, int y, int cx, int cy, |
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/* src */ HBITMAP src, int srcx, int srcy) |
408 |
{ |
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xwin_set_function(opcode); |
410 |
|
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XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, |
412 |
cx, cy, x, y); |
413 |
} |
414 |
|
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void ui_triblt(uint8 opcode, |
416 |
/* dest */ int x, int y, int cx, int cy, |
417 |
/* src */ HBITMAP src, int srcx, int srcy, |
418 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
419 |
{ |
420 |
/* This is potentially difficult to do in general. Until someone |
421 |
comes up with a more efficient way of doing it I am using cases. */ |
422 |
|
423 |
switch (opcode) |
424 |
{ |
425 |
case 0x69: /* PDSxxn */ |
426 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
427 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, |
428 |
brush, bgcolour, fgcolour); |
429 |
break; |
430 |
|
431 |
case 0xb8: /* PSDPxax */ |
432 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
433 |
brush, bgcolour, fgcolour); |
434 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
435 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
436 |
brush, bgcolour, fgcolour); |
437 |
break; |
438 |
|
439 |
default: |
440 |
NOTIMP("triblt 0x%x\n", opcode); |
441 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
442 |
} |
443 |
} |
444 |
|
445 |
void ui_line(uint8 opcode, |
446 |
/* dest */ int startx, int starty, int endx, int endy, |
447 |
/* pen */ PEN *pen) |
448 |
{ |
449 |
xwin_set_function(opcode); |
450 |
|
451 |
XSetForeground(display, gc, pen->colour); |
452 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
453 |
} |
454 |
|
455 |
void ui_rect( |
456 |
/* dest */ int x, int y, int cx, int cy, |
457 |
/* brush */ int colour) |
458 |
{ |
459 |
xwin_set_function(ROP2_COPY); |
460 |
|
461 |
XSetForeground(display, gc, colour); |
462 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); |
463 |
} |
464 |
|
465 |
void ui_draw_glyph(int mixmode, |
466 |
/* dest */ int x, int y, int cx, int cy, |
467 |
/* src */ HGLYPH glyph, int srcx, int srcy, int bgcolour, int fgcolour) |
468 |
{ |
469 |
Pixmap pixmap = (Pixmap)glyph; |
470 |
|
471 |
xwin_set_function(ROP2_COPY); |
472 |
|
473 |
XSetForeground(display, gc, fgcolour); |
474 |
|
475 |
switch (mixmode) |
476 |
{ |
477 |
case MIX_TRANSPARENT: |
478 |
XSetStipple(display, gc, pixmap); |
479 |
XSetFillStyle(display, gc, FillStippled); |
480 |
XSetTSOrigin(display, gc, x, y); |
481 |
XFillRectangle(display, wnd, gc, |
482 |
x, y, cx, cy); |
483 |
XSetFillStyle(display, gc, FillSolid); |
484 |
break; |
485 |
|
486 |
case MIX_OPAQUE: |
487 |
XSetBackground(display, gc, bgcolour); |
488 |
XCopyPlane(display, pixmap, wnd, gc, |
489 |
srcx, srcy, cx, cy, x, y, 1); |
490 |
break; |
491 |
|
492 |
default: |
493 |
NOTIMP("mix %d\n", mixmode); |
494 |
} |
495 |
} |
496 |
|
497 |
void ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
498 |
int clipx, int clipy, int clipcx, int clipcy, |
499 |
int boxx, int boxy, int boxcx, int boxcy, |
500 |
int bgcolour, int fgcolour, uint8 *text, uint8 length) |
501 |
{ |
502 |
FONTGLYPH *glyph; |
503 |
int i; |
504 |
|
505 |
if (boxcx > 1) |
506 |
{ |
507 |
ui_rect(boxx, boxy, boxcx, boxcy, bgcolour); |
508 |
} |
509 |
else if (mixmode == MIX_OPAQUE) |
510 |
{ |
511 |
ui_rect(clipx, clipy, clipcx, clipcy, bgcolour); |
512 |
} |
513 |
|
514 |
/* Paint text, character by character */ |
515 |
for (i = 0; i < length; i++) |
516 |
{ |
517 |
glyph = cache_get_font(font, text[i]); |
518 |
|
519 |
if (!(flags & TEXT2_IMPLICIT_X)) |
520 |
x += text[++i]; |
521 |
|
522 |
if (glyph != NULL) |
523 |
{ |
524 |
ui_draw_glyph(mixmode, x + (short)glyph->offset, |
525 |
y + (short)glyph->baseline, |
526 |
glyph->width, glyph->height, |
527 |
glyph->pixmap, 0, 0, |
528 |
bgcolour, fgcolour); |
529 |
|
530 |
if (flags & TEXT2_IMPLICIT_X) |
531 |
x += glyph->width; |
532 |
} |
533 |
} |
534 |
} |
535 |
|
536 |
void ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
537 |
{ |
538 |
XImage *image; |
539 |
|
540 |
image = XGetImage(display, wnd, x, y, cx, cy, 0xffffffff, ZPixmap); |
541 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, image->data); |
542 |
XFree(image->data); |
543 |
XFree(image); |
544 |
} |
545 |
|
546 |
void ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
547 |
{ |
548 |
XImage *image; |
549 |
uint8 *data; |
550 |
|
551 |
data = cache_get_desktop(offset, cx, cy); |
552 |
if (data == NULL) |
553 |
return; |
554 |
|
555 |
image = XCreateImage(display, visual, 8, ZPixmap, 0, |
556 |
data, cx, cy, 32, cx); |
557 |
XSetFunction(display, gc, GXcopy); |
558 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
559 |
XFree(image); |
560 |
} |