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Bochs/bochs/gui/x.cc
Bryce Denney daf2a9fb55 - add RCS Id to header of every file. This makes it easier to know what's 
going on when someone sends in a modified file.
2001-10-03 13:10:38 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id: x.cc,v 1.21 2001-10-03 13:10:37 bdenney Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
extern "C" {
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
}
#include "bochs.h"
#include "icon_bochs.h"
#define LOG_THIS bx_gui.
#define MAX_MAPPED_STRING_LENGTH 10
/* These are used as arguments to nearly every Xlib routine, so it saves
* routine arguments to declare them global. If there were
* additional source files, they would be declared extern there. */
Display *bx_x_display;
int bx_x_screen_num;
static Colormap default_cmap;
static unsigned long white_pixel=0, black_pixel=0;
static char *progname; /* name this program was invoked by */
static int rows=25, columns=80;
static Window win;
static GC gc, gc_inv, gc_headerbar, gc_headerbar_inv;
static XFontStruct *font_info;
static unsigned font_width, font_height;
static Bit8u blank_line[80];
static unsigned dimension_x=0, dimension_y=0;
static XImage *ximage = NULL;
static unsigned imDepth, imWide, imBPP;
// current cursor coordinates
static int prev_x=-1, prev_y=-1;
static int current_x=-1, current_y=-1;
static unsigned mouse_button_state = 0;
static unsigned prev_block_cursor_x=0;
static unsigned prev_block_cursor_y=0;
static int warp_home_x = 200;
static int warp_home_y = 200;
static int mouse_enable_x = 0;
static int mouse_enable_y = 0;
static int warp_dx = 0;
static int warp_dy = 0;
static void warp_cursor(int dx, int dy);
static void disable_cursor();
static void enable_cursor();
struct {
Pixmap bmap;
unsigned xdim;
unsigned ydim;
} bx_bitmaps[BX_MAX_PIXMAPS];
unsigned bx_bitmap_entries = 0;
static struct {
Pixmap bitmap;
unsigned xdim;
unsigned ydim;
unsigned xorigin;
unsigned yorigin;
unsigned alignment;
void (*f)(void);
} bx_headerbar_entry[BX_MAX_HEADERBAR_ENTRIES];
static unsigned bx_headerbar_y = 0;
static unsigned bx_headerbar_entries = 0;
static unsigned bx_bitmap_left_xorigin = 0; // pixels from left
static unsigned bx_bitmap_right_xorigin = 0; // pixels from right
static void headerbar_click(int x, int y);
static void send_keyboard_mouse_status(void);
Bit32u ascii_to_key_event[0x5f] = {
// !"#$%&'
BX_KEY_SPACE,
BX_KEY_1,
BX_KEY_SINGLE_QUOTE,
BX_KEY_3,
BX_KEY_4,
BX_KEY_5,
BX_KEY_7,
BX_KEY_SINGLE_QUOTE,
// ()*+,-./
BX_KEY_9,
BX_KEY_0,
BX_KEY_8,
BX_KEY_EQUALS,
BX_KEY_COMMA,
BX_KEY_MINUS,
BX_KEY_PERIOD,
BX_KEY_SLASH,
// 01234567
BX_KEY_0,
BX_KEY_1,
BX_KEY_2,
BX_KEY_3,
BX_KEY_4,
BX_KEY_5,
BX_KEY_6,
BX_KEY_7,
// 89:;<=>?
BX_KEY_8,
BX_KEY_9,
BX_KEY_SEMICOLON,
BX_KEY_SEMICOLON,
BX_KEY_COMMA,
BX_KEY_EQUALS,
BX_KEY_PERIOD,
BX_KEY_SLASH,
// @ABCDEFG
BX_KEY_2,
BX_KEY_A,
BX_KEY_B,
BX_KEY_C,
BX_KEY_D,
BX_KEY_E,
BX_KEY_F,
BX_KEY_G,
// HIJKLMNO
BX_KEY_H,
BX_KEY_I,
BX_KEY_J,
BX_KEY_K,
BX_KEY_L,
BX_KEY_M,
BX_KEY_N,
BX_KEY_O,
// PQRSTUVW
BX_KEY_P,
BX_KEY_Q,
BX_KEY_R,
BX_KEY_S,
BX_KEY_T,
BX_KEY_U,
BX_KEY_V,
BX_KEY_W,
// XYZ[\]^_
BX_KEY_X,
BX_KEY_Y,
BX_KEY_Z,
BX_KEY_LEFT_BRACKET,
BX_KEY_BACKSLASH,
BX_KEY_RIGHT_BRACKET,
BX_KEY_6,
BX_KEY_MINUS,
// `abcdefg
BX_KEY_GRAVE,
BX_KEY_A,
BX_KEY_B,
BX_KEY_C,
BX_KEY_D,
BX_KEY_E,
BX_KEY_F,
BX_KEY_G,
// hijklmno
BX_KEY_H,
BX_KEY_I,
BX_KEY_J,
BX_KEY_K,
BX_KEY_L,
BX_KEY_M,
BX_KEY_N,
BX_KEY_O,
// pqrstuvw
BX_KEY_P,
BX_KEY_Q,
BX_KEY_R,
BX_KEY_S,
BX_KEY_T,
BX_KEY_U,
BX_KEY_V,
BX_KEY_W,
// xyz{|}~
BX_KEY_X,
BX_KEY_Y,
BX_KEY_Z,
BX_KEY_LEFT_BRACKET,
BX_KEY_BACKSLASH,
BX_KEY_RIGHT_BRACKET,
BX_KEY_GRAVE
};
extern Bit8u graphics_snapshot[32 * 1024];
static void load_font(void);
static void xkeypress(KeySym keysym, int press_release);
// extern "C" void select_visual(void);
#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad)-1)) / (pad)) * ((pad)>>3))
unsigned long col_vals[256]; // 256 VGA colors
unsigned curr_foreground, curr_background;
static unsigned x_tilesize, y_tilesize;
void
bx_gui_c::specific_init(bx_gui_c *th, int argc, char **argv, unsigned tilewidth, unsigned tileheight,
unsigned headerbar_y)
{
unsigned i;
int x, y; /* window position */
unsigned int border_width = 4; /* four pixels */
#if BX_CPU_LEVEL < 2
char *window_name = "Bochs 8086 emulator, http://bochs.sourceforge.net/";
#elif BX_CPU_LEVEL == 2
char *window_name = "Bochs 80286 emulator, http://bochs.sourceforge.net/";
#elif BX_CPU_LEVEL == 3
char *window_name = "Bochs 80386 emulator, http://bochs.sourceforge.net/";
#elif BX_CPU_LEVEL == 4
char *window_name = "Bochs 80486 emulator, http://bochs.sourceforge.net/";
#else
char *window_name = "Bochs Pentium emulator, http://bochs.sourceforge.net/";
#endif
char *icon_name = "Bochs";
Pixmap icon_pixmap;
XSizeHints size_hints;
char *display_name = NULL;
/* create GC for text and drawing */
unsigned long valuemask = 0; /* ignore XGCvalues and use defaults */
XGCValues values;
Visual *default_visual;
int default_depth;
XEvent report;
XSetWindowAttributes win_attr;
unsigned long plane_masks_return[1];
XColor color;
th->put("XGUI");
UNUSED(th);
if (bx_options.Oprivate_colormap->get ()) {
BX_ERROR(( "Oprivate_colormap option not handled yet." ));
}
x_tilesize = tilewidth;
y_tilesize = tileheight;
bx_headerbar_y = headerbar_y;
for (i=0; i<80; i++) {
blank_line[i] = ' ';
}
progname = argv[0];
/* connect to X server */
if ( (bx_x_display=XOpenDisplay(display_name)) == NULL )
{
BX_PANIC(("%s: cannot connect to X server %s",
progname, XDisplayName(display_name)));
}
/* get screen size from display structure macro */
bx_x_screen_num = DefaultScreen(bx_x_display);
/* Note that in a real application, x and y would default to 0
* but would be settable from the command line or resource database.
*/
x = y = 0;
load_font();
font_width = font_info->max_bounds.width;
font_height = (font_info->max_bounds.ascent +
font_info->max_bounds.descent);
dimension_x = columns * font_width;
dimension_y = rows * font_height + headerbar_y;
/* create opaque window */
win = XCreateSimpleWindow(bx_x_display, RootWindow(bx_x_display,bx_x_screen_num),
x, y,
dimension_x,
dimension_y,
border_width,
BlackPixel(bx_x_display, bx_x_screen_num),
BlackPixel(bx_x_display, bx_x_screen_num));
// (attempt to) enable backing store
win_attr.save_under=1;
win_attr.backing_store=Always;
XChangeWindowAttributes(bx_x_display,win,CWSaveUnder|CWBackingStore,&win_attr);
default_depth = DefaultDepth(bx_x_display, bx_x_screen_num);
default_visual = DefaultVisual(bx_x_display, bx_x_screen_num);
if (bx_options.Oprivate_colormap->get ()) {
default_cmap = XCreateColormap(bx_x_display, DefaultRootWindow(bx_x_display),
default_visual, AllocNone);
if (XAllocColorCells(bx_x_display, default_cmap, False,
plane_masks_return, 0, col_vals, 256) == 0) {
BX_PANIC(("XAllocColorCells returns error."));
}
win_attr.colormap = default_cmap;
XChangeWindowAttributes(bx_x_display, win, CWColormap, &win_attr);
color.flags = DoRed | DoGreen | DoBlue;
for (i=0; i < 256; i++) {
color.pixel = i;
if (i==15) {
color.red = 0xffff;
color.green = 0xffff;
color.blue = 0xffff;
}
else {
color.red = 0;
color.green = 0;
color.blue = 0;
}
XStoreColor(bx_x_display, default_cmap, &color);
}
}
else {
default_cmap = DefaultColormap(bx_x_display, bx_x_screen_num);
col_vals[0] = BlackPixel(bx_x_display, bx_x_screen_num);
col_vals[15] = WhitePixel(bx_x_display, bx_x_screen_num);
for (i = 1; i < 256; i++) {
if (i==15) continue;
col_vals[i] = col_vals[0];
}
}
// convenience variables which hold the black & white color indeces
black_pixel = col_vals[0];
white_pixel = col_vals[15];
BX_INFO(("font %u wide x %u high, display depth = %d",
(unsigned) font_width, (unsigned) font_height, default_depth));
//select_visual();
/* Get available icon sizes from Window manager */
/* Create pixmap of depth 1 (bitmap) for icon */
icon_pixmap = XCreateBitmapFromData(bx_x_display, win,
(char *) bochs_icon_bits, bochs_icon_width, bochs_icon_height);
/* Set size hints for window manager. The window manager may
* override these settings. Note that in a real
* application if size or position were set by the user
* the flags would be UPosition and USize, and these would
* override the window manager's preferences for this window. */
/* x, y, width, and height hints are now taken from
* the actual settings of the window when mapped. Note
* that PPosition and PSize must be specified anyway. */
size_hints.flags = PPosition | PSize | PMinSize | PMaxSize;
size_hints.max_width = size_hints.min_width = dimension_x;
size_hints.max_height = size_hints.min_height = dimension_y;
{
XWMHints wm_hints;
XClassHint class_hints;
/* format of the window name and icon name
* arguments has changed in R4 */
XTextProperty windowName, iconName;
/* These calls store window_name and icon_name into
* XTextProperty structures and set their other
* fields properly. */
if (XStringListToTextProperty(&window_name, 1, &windowName) == 0) {
BX_PANIC(("%s: structure allocation for windowName failed.",
progname));
}
if (XStringListToTextProperty(&icon_name, 1, &iconName) == 0) {
BX_PANIC(("%s: structure allocation for iconName failed.",
progname));
}
wm_hints.initial_state = NormalState;
wm_hints.input = True;
wm_hints.icon_pixmap = icon_pixmap;
wm_hints.flags = StateHint | IconPixmapHint | InputHint;
class_hints.res_name = progname;
class_hints.res_class = "Bochs";
XSetWMProperties(bx_x_display, win, &windowName, &iconName,
argv, argc, &size_hints, &wm_hints,
&class_hints);
}
/* Select event types wanted */
XSelectInput(bx_x_display, win, ExposureMask | KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask | StructureNotifyMask | PointerMotionMask |
EnterWindowMask | LeaveWindowMask );
/* Create default Graphics Context */
gc = XCreateGC(bx_x_display, win, valuemask, &values);
gc_inv = XCreateGC(bx_x_display, win, valuemask, &values);
gc_headerbar = XCreateGC(bx_x_display, win, valuemask, &values);
gc_headerbar_inv = XCreateGC(bx_x_display, win, valuemask, &values);
/* specify font */
XSetFont(bx_x_display, gc, font_info->fid);
XSetState(bx_x_display, gc, white_pixel, black_pixel, GXcopy,AllPlanes);
XSetState(bx_x_display, gc_inv, black_pixel, white_pixel, GXcopy,AllPlanes);
XSetState(bx_x_display, gc_headerbar, black_pixel, white_pixel, GXcopy,AllPlanes);
XSetState(bx_x_display, gc_headerbar_inv, white_pixel, black_pixel, GXcopy,AllPlanes);
/* Display window */
XMapWindow(bx_x_display, win);
XSync(bx_x_display, /* no discard */ 0);
BX_DEBUG(("waiting for MapNotify"));
while (1) {
XNextEvent(bx_x_display, &report);
if (report.type == MapNotify) break;
}
BX_DEBUG(("MapNotify found."));
{
char *imagedata;
ximage = XCreateImage(bx_x_display, default_visual,
default_depth, // depth of image (bitplanes)
ZPixmap,
0, // offset
NULL, // malloc() space after
x_tilesize, y_tilesize, // x & y size of image
32, // # bits of padding
0 ); // bytes_per_line, let X11 calculate
if (!ximage)
BX_PANIC(("vga: couldn't XCreateImage()"));
imDepth = default_depth;
imWide = ximage->bytes_per_line;
imBPP = ximage->bits_per_pixel;
imagedata = (char *) malloc( (size_t) (ximage->bytes_per_line * y_tilesize) );
if (!imagedata) BX_PANIC(("imagedata: malloc returned error"));
ximage->data = imagedata;
if (imBPP < imDepth) {
BX_PANIC(("vga_x: bits_per_pixel < depth ?"));
}
}
curr_background = 0;
XSetBackground(bx_x_display, gc, col_vals[curr_background]);
curr_foreground = 1;
XSetForeground(bx_x_display, gc, col_vals[curr_foreground]);
//XGrabPointer( bx_x_display, win, True, 0, GrabModeAsync, GrabModeAsync,
// win, None, CurrentTime );
XFlush(bx_x_display);
}
// This is called whenever the mouse_enabled parameter changes. It
// can change because of a gui event such as clicking on the mouse-enable
// bitmap or pressing the middle button, or from the control panel.
// In all those cases, setting the parameter value will get you here.
void
bx_gui_c::mouse_enabled_changed_specific (Boolean val)
{
BX_DEBUG (("mouse_enabled=%d, x11 specific code", val?1:0));
if (val) {
BX_INFO(("[x] Mouse on"));
mouse_enable_x = current_x;
mouse_enable_y = current_y;
disable_cursor();
// Move the cursor to a 'safe' place
warp_cursor(warp_home_x-current_x, warp_home_y-current_y);
} else {
BX_INFO(("[x] Mouse off"));
enable_cursor();
warp_cursor(mouse_enable_x-current_x, mouse_enable_y-current_y);
}
}
void
load_font(void)
{
/* Load font and get font information structure. */
if ((font_info = XLoadQueryFont(bx_x_display,"vga")) == NULL) {
BX_PANIC(("Could not open vga font"));
}
}
void
bx_gui_c::handle_events(void)
{
XEvent report;
XKeyEvent *key_event;
KeySym keysym;
XComposeStatus compose;
char buffer[MAX_MAPPED_STRING_LENGTH];
int bufsize = MAX_MAPPED_STRING_LENGTH;
int charcount;
Boolean mouse_update;
XPointerMovedEvent *pointer_event;
XEnterWindowEvent *enter_event;
XLeaveWindowEvent *leave_event;
XButtonEvent *button_event;
XExposeEvent *expose_event;
//current_x = -1;
//current_y = -1;
mouse_update = 0;
while (XPending(bx_x_display) > 0) {
XNextEvent(bx_x_display, &report);
switch (report.type) {
case Expose:
/* unless this is the last contiguous expose,
* don't draw the window */
expose_event = (XExposeEvent *) &report;
bx_devices.vga->redraw_area(
(unsigned) expose_event->x,
(unsigned) expose_event->y,
(unsigned) expose_event->width,
(unsigned) expose_event->height);
show_headerbar();
//if (report.xexpose.count != 0) {
// break;
// }
break;
case ConfigureNotify:
BX_DEBUG(("ConfigureNotify Xevent"));
show_headerbar();
break;
case ButtonPress:
button_event = (XButtonEvent *) &report;
BX_DEBUG(("xxx: buttonpress"));
if (button_event->y < BX_HEADER_BAR_Y) {
BX_DEBUG(("xxx: in headerbar"));
if (mouse_update) {
BX_DEBUG(("xxx: mouse_update=1"));
send_keyboard_mouse_status();
mouse_update = 0;
}
prev_x = current_x = -1;
prev_y = current_y = -1;
headerbar_click(button_event->x, button_event->y);
break;
}
current_x = button_event->x;
current_y = button_event->y;
mouse_update = 1;
BX_DEBUG(("xxx: x,y=(%d,%d)", current_x, current_y));
switch (button_event->button) {
case Button1:
BX_DEBUG(("xxx: button1"));
mouse_button_state |= 0x01;
send_keyboard_mouse_status();
mouse_update = 0;
break;
case Button2:
BX_DEBUG(("XXX: button2"));
// (mch) Hack for easier mouse handling (toggle mouse enable)
toggle_mouse_enable();
//mouse_button_state |= ;
//send_keyboard_mouse_status();
//mouse_update = 0;
break;
case Button3:
BX_DEBUG(("xxx: button3"));
mouse_button_state |= 0x02;
send_keyboard_mouse_status();
mouse_update = 0;
break;
}
break;
case ButtonRelease:
button_event = (XButtonEvent *) &report;
//BX_INFO(("xxx: buttonrelease"));
if (button_event->y < BX_HEADER_BAR_Y) {
//BX_INFO(("xxx: in headerbar"));
if (mouse_update) {
//BX_INFO(("xxx: mouse_update=1"));
send_keyboard_mouse_status();
mouse_update = 0;
}
prev_x = current_x = -1;
prev_y = current_y = -1;
// ignore, in headerbar area
break;
}
current_x = button_event->x;
current_y = button_event->y;
mouse_update = 1;
//BX_INFO(("xxx: x,y=(%d,%d)", current_x, current_y));
switch (button_event->button) {
case Button1:
//BX_INFO(("xxx: button1"));
mouse_button_state &= ~0x01;
send_keyboard_mouse_status();
mouse_update = 0;
break;
case Button2:
//BX_INFO(("xxx: button2"));
//mouse_button_state &= ~;
//send_keyboard_mouse_status();
//mouse_update = 0;
break;
case Button3:
//BX_INFO(("xxx: button3"));
mouse_button_state &= ~0x02;
send_keyboard_mouse_status();
mouse_update = 0;
break;
}
break;
case KeyPress:
key_event = (XKeyEvent *) &report;
charcount = XLookupString(key_event, buffer, bufsize, &keysym, &compose);
xkeypress(keysym, 0);
break;
case KeyRelease:
key_event = (XKeyEvent *) &report;
charcount = XLookupString(key_event, buffer, bufsize, &keysym, &compose);
xkeypress(keysym, 1);
break;
case MotionNotify:
pointer_event = (XPointerMovedEvent *) &report;
current_x = pointer_event->x;
current_y = pointer_event->y;
mouse_update = 1;
//BX_INFO(("xxx: motionNotify x,y=(%d,%d)", current_x, current_y));
break;
case EnterNotify:
enter_event = (XEnterWindowEvent *) &report;
prev_x = current_x = enter_event->x;
prev_y = current_y = enter_event->y;
//BX_INFO(("xxx: enterNotify x,y=(%d,%d)", current_x, current_y));
break;
case LeaveNotify:
leave_event = (XLeaveWindowEvent *) &report;
prev_x = current_x = -1;
prev_y = current_y = -1;
//BX_INFO(("xxx: LeaveNotify x,y set to -1"));
break;
case MapNotify:
/* screen needs redraw, since X would have tossed previous
* requests before window mapped
*/
//BX_INFO(("xxx: mapnotify: found"));
//retval = 1;
break;
default:
// (mch) Ignore...
BX_DEBUG(("XXX: default Xevent type"));
/* all events selected by StructureNotifyMask are thrown away here,
* since nothing is done with them */
break;
} /* end switch */
} /* end while */
if (mouse_update) {
BX_DEBUG(("XXX: bottom, send status"));
send_keyboard_mouse_status();
}
}
void
send_keyboard_mouse_status(void)
{
BX_DEBUG(("XXX: prev=(%d,%d) curr=(%d,%d)",
prev_x, prev_y, current_x, current_y));
if ( (prev_x!=-1) && (current_x!=-1) && (prev_y!=-1) && (current_y!=-1)) {
int dx, dy;
// (mch) consider warping here
dx = current_x - prev_x - warp_dx;
dy = -(current_y - prev_y - warp_dy);
warp_cursor(warp_home_x-current_x, warp_home_y-current_y);
//BX_INFO(("xxx: MOUSE_MOTION: dx=%d, dy=%d", (int) dx, (int) dy));
bx_devices.keyboard->mouse_motion( dx, dy, mouse_button_state);
//if (warped) {
// prev_x = current_x = -1;
// prev_y = current_y = -1;
// }
//else {
prev_x = current_x;
prev_y = current_y;
// }
}
else {
if ( (current_x!=-1) && (current_y!=-1)) {
prev_x = current_x;
prev_y = current_y;
}
else {
prev_x = current_x = -1;
prev_y = current_y = -1;
}
}
}
void
bx_gui_c::flush(void)
{
XFlush(bx_x_display);
}
void
xkeypress(KeySym keysym, int press_release)
{
Bit32u key_event;
// this depends on the fact that the X11 keysyms which
// correspond to the ascii characters space .. tilde
// are in consequtive order.
if ((keysym >= XK_space) && (keysym <= XK_asciitilde)) {
key_event = ascii_to_key_event[keysym - XK_space];
}
else switch (keysym) {
case XK_KP_1:
#ifdef XK_KP_End
case XK_KP_End:
#endif
key_event = BX_KEY_KP_END; break;
case XK_KP_2:
#ifdef XK_KP_Down
case XK_KP_Down:
#endif
key_event = BX_KEY_KP_DOWN; break;
case XK_KP_3:
#ifdef XK_KP_Page_Down
case XK_KP_Page_Down:
#endif
key_event = BX_KEY_KP_PAGE_DOWN; break;
case XK_KP_4:
#ifdef XK_KP_Left
case XK_KP_Left:
#endif
key_event = BX_KEY_KP_LEFT; break;
case XK_KP_5:
key_event = BX_KEY_KP_5; break;
case XK_KP_6:
#ifdef XK_KP_Right
case XK_KP_Right:
#endif
key_event = BX_KEY_KP_RIGHT; break;
case XK_KP_7:
#ifdef XK_KP_Home
case XK_KP_Home:
#endif
key_event = BX_KEY_KP_HOME; break;
case XK_KP_8:
#ifdef XK_KP_Up
case XK_KP_Up:
#endif
key_event = BX_KEY_KP_UP; break;
case XK_KP_9:
#ifdef XK_KP_Page_Up
case XK_KP_Page_Up:
#endif
key_event = BX_KEY_KP_PAGE_UP; break;
case XK_KP_0:
#ifdef XK_KP_Insert
case XK_KP_Insert:
key_event = BX_KEY_KP_INSERT; break;
#endif
case XK_KP_Decimal:
#ifdef XK_KP_Delete
case XK_KP_Delete:
key_event = BX_KEY_KP_DELETE; break;
#endif
#ifdef XK_KP_Enter
case XK_KP_Enter:
key_event = BX_KEY_KP_ENTER; break;
#endif
case XK_KP_Subtract: key_event = BX_KEY_KP_SUBTRACT; break;
case XK_KP_Add: key_event = BX_KEY_KP_ADD; break;
case XK_KP_Multiply: key_event = BX_KEY_KP_MULTIPLY; break;
case XK_KP_Divide: key_event = BX_KEY_KP_DIVIDE; break;
case XK_Up: key_event = BX_KEY_UP; break;
case XK_Down: key_event = BX_KEY_DOWN; break;
case XK_Left: key_event = BX_KEY_LEFT; break;
case XK_Right: key_event = BX_KEY_RIGHT; break;
case XK_Delete: key_event = BX_KEY_DELETE; break;
case XK_BackSpace: key_event = BX_KEY_BACKSPACE; break;
case XK_Tab: key_event = BX_KEY_TAB; break;
case XK_Return: key_event = BX_KEY_ENTER; break;
case XK_Escape: key_event = BX_KEY_ESC; break;
case XK_F1: key_event = BX_KEY_F1; break;
case XK_F2: key_event = BX_KEY_F2; break;
case XK_F3: key_event = BX_KEY_F3; break;
case XK_F4: key_event = BX_KEY_F4; break;
case XK_F5: key_event = BX_KEY_F5; break;
case XK_F6: key_event = BX_KEY_F6; break;
case XK_F7: key_event = BX_KEY_F7; break;
case XK_F8: key_event = BX_KEY_F8; break;
case XK_F9: key_event = BX_KEY_F9; break;
case XK_F10: key_event = BX_KEY_F10; break;
case XK_F11: key_event = BX_KEY_F11; break;
case XK_F12: key_event = BX_KEY_F12; break;
case XK_Control_L: key_event = BX_KEY_CTRL_L; break;
case XK_Shift_L: key_event = BX_KEY_SHIFT_L; break;
case XK_Shift_R: key_event = BX_KEY_SHIFT_R; break;
case XK_Caps_Lock: key_event = BX_KEY_CAPS_LOCK; break;
case XK_Num_Lock: key_event = BX_KEY_NUM_LOCK; break;
case XK_Alt_L: key_event = BX_KEY_ALT_L; break;
case XK_Insert: key_event = BX_KEY_INSERT; break;
case XK_Home: key_event = BX_KEY_HOME; break;
case XK_End: key_event = BX_KEY_END; break;
case XK_Page_Up: key_event = BX_KEY_PAGE_UP; break;
case XK_Page_Down: key_event = BX_KEY_PAGE_DOWN; break;
default:
BX_ERROR(( "xkeypress(): keysym %x unhandled!", (unsigned) keysym ));
return;
break;
}
if (press_release)
key_event |= BX_KEY_RELEASED;
bx_devices.keyboard->gen_scancode(key_event);
}
void
bx_gui_c::clear_screen(void)
{
XClearArea(bx_x_display, win, 0, bx_headerbar_y, dimension_x, dimension_y-bx_headerbar_y, 0);
}
void
bx_gui_c::text_update(Bit8u *old_text, Bit8u *new_text,
unsigned long cursor_x, unsigned long cursor_y,
unsigned nrows)
{
int font_height;
unsigned i, x, y, curs;
unsigned new_foreground, new_background;
Bit8u string[1];
unsigned nchars;
font_height = font_info->ascent + font_info->descent;
// Number of characters on screen, variable number of rows
nchars = 80*nrows;
// first draw over character at original block cursor location
if ( (prev_block_cursor_y*80 + prev_block_cursor_x) < nchars ) {
curs = (prev_block_cursor_y*80 + prev_block_cursor_x)*2;
string[0] = new_text[curs];
if (string[0] == 0) string[0] = ' '; // convert null to space
XSetForeground(bx_x_display, gc, col_vals[new_text[curs+1] & 0x0f]);
XSetBackground(bx_x_display, gc, col_vals[(new_text[curs+1] & 0xf0) >> 4]);
XDrawImageString(bx_x_display, win,
gc,
prev_block_cursor_x * font_info->max_bounds.width,
prev_block_cursor_y * font_height + font_info->max_bounds.ascent + bx_headerbar_y,
(char *) string,
1);
}
for (i=0; i<nchars*2; i+=2) {
if ( (old_text[i]!=new_text[i]) ||
(old_text[i+1]!=new_text[i+1]) ) {
string[0] = new_text[i];
if (string[0] == 0) string[0] = ' '; // convert null to space
new_foreground = new_text[i+1] & 0x0f;
new_background = (new_text[i+1] & 0xf0) >> 4;
XSetForeground(bx_x_display, gc, col_vals[new_foreground]);
XSetBackground(bx_x_display, gc, col_vals[new_background]);
//XSetForeground(bx_x_display, gc, white_pixel);
//XSetBackground(bx_x_display, gc, black_pixel);
x = (i/2) % 80;
y = (i/2) / 80;
XDrawImageString(bx_x_display, win,
gc,
x * font_info->max_bounds.width,
y * font_height + font_info->max_bounds.ascent + bx_headerbar_y,
(char *) string,
1);
}
}
prev_block_cursor_x = cursor_x;
prev_block_cursor_y = cursor_y;
XSetForeground(bx_x_display, gc, white_pixel);
XSetBackground(bx_x_display, gc, black_pixel);
// now draw character at new block cursor location in reverse
if ( (cursor_y*80 + cursor_x) < nchars ) {
string[0] = new_text[(cursor_y*80 + cursor_x)*2];
if (string[0] == 0) string[0] = ' '; // convert null to space
XDrawImageString(bx_x_display, win,
gc_inv,
cursor_x * font_info->max_bounds.width,
cursor_y * font_height + font_info->max_bounds.ascent + bx_headerbar_y,
(char *) string,
1);
}
XFlush(bx_x_display);
}
void
bx_gui_c::graphics_tile_update(Bit8u *tile, unsigned x0, unsigned y0)
{
unsigned x, y;
unsigned color, offset;
Bit8u b0, b1, b2, b3;
for (y=0; y<y_tilesize; y++) {
for (x=0; x<x_tilesize; x++) {
//XPutPixel(ximage, x, y, col_vals[tile[y*x_tilesize + x]]);
color = col_vals[tile[y*x_tilesize + x]];
switch (imBPP) {
case 8: // 8 bits per pixel
ximage->data[imWide*y + x] = color;
break;
case 16: // 16 bits per pixel
offset = imWide*y + 2*x;
b0 = color >> 0;
b1 = color >> 8;
if (ximage->byte_order == LSBFirst) {
ximage->data[offset + 0] = b0;
ximage->data[offset + 1] = b1;
}
else { // MSBFirst
ximage->data[offset + 0] = b1;
ximage->data[offset + 1] = b0;
}
break;
case 24: // 24 bits per pixel
offset = imWide*y + 3*x;
b0 = color >> 0;
b1 = color >> 8;
b2 = color >> 16;
if (ximage->byte_order == LSBFirst) {
ximage->data[offset + 0] = b0;
ximage->data[offset + 1] = b1;
ximage->data[offset + 2] = b2;
}
else { // MSBFirst
ximage->data[offset + 0] = b2;
ximage->data[offset + 1] = b1;
ximage->data[offset + 2] = b0;
}
break;
case 32: // 32 bits per pixel
offset = imWide*y + 4*x;
b0 = color >> 0;
b1 = color >> 8;
b2 = color >> 16;
b3 = color >> 24;
if (ximage->byte_order == LSBFirst) {
ximage->data[offset + 0] = b0;
ximage->data[offset + 1] = b1;
ximage->data[offset + 2] = b2;
ximage->data[offset + 3] = b3;
}
else { // MSBFirst
ximage->data[offset + 0] = b3;
ximage->data[offset + 1] = b2;
ximage->data[offset + 2] = b1;
ximage->data[offset + 3] = b0;
}
break;
default:
BX_PANIC(("X_graphics_tile_update: bits_per_pixel %u not implemented",
(unsigned) imBPP));
break;
}
}
}
XPutImage(bx_x_display, win, gc, ximage, 0, 0, x0, y0+bx_headerbar_y,
x_tilesize, y_tilesize);
}
Boolean
bx_gui_c::palette_change(unsigned index, unsigned red, unsigned green, unsigned blue)
{
// returns: 0=no screen update needed (color map change has direct effect)
// 1=screen updated needed (redraw using current colormap)
XColor color;
color.flags = DoRed | DoGreen | DoBlue;
color.red = red << 8;
color.green = green << 8;
color.blue = blue << 8;
if (bx_options.Oprivate_colormap->get ()) {
color.pixel = index;
XStoreColor(bx_x_display, default_cmap, &color);
return(0); // no screen update needed
}
else {
XAllocColor(bx_x_display, DefaultColormap(bx_x_display, bx_x_screen_num),
&color);
col_vals[index] = color.pixel;
return(1); // screen update needed
}
}
void
bx_gui_c::dimension_update(unsigned x, unsigned y)
{
if ( (x != dimension_x) || (y != (dimension_y-bx_headerbar_y)) ) {
XSizeHints hints;
long supplied_return;
if ( XGetWMNormalHints(bx_x_display, win, &hints, &supplied_return) &&
supplied_return & PMaxSize ) {
hints.max_width = hints.min_width = x;
hints.max_height = hints.min_height = y+bx_headerbar_y;
XSetWMNormalHints(bx_x_display, win, &hints);
}
XResizeWindow(bx_x_display, win, x, y+bx_headerbar_y);
dimension_x = x;
dimension_y = y + bx_headerbar_y;
}
}
void
bx_gui_c::show_headerbar(void)
{
unsigned xorigin;
// clear header bar area to white
XFillRectangle(bx_x_display, win, gc_headerbar_inv, 0,0, dimension_x, bx_headerbar_y);
for (unsigned i=0; i<bx_headerbar_entries; i++) {
if (bx_headerbar_entry[i].alignment == BX_GRAVITY_LEFT)
xorigin = bx_headerbar_entry[i].xorigin;
else
xorigin = dimension_x - bx_headerbar_entry[i].xorigin;
XCopyPlane(bx_x_display, bx_headerbar_entry[i].bitmap, win, gc_headerbar,
0,0, bx_headerbar_entry[i].xdim, bx_headerbar_entry[i].ydim,
xorigin, 0, 1);
}
}
unsigned
bx_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim)
{
if (bx_bitmap_entries >= BX_MAX_PIXMAPS) {
BX_PANIC(("x: too many pixmaps, increase BX_MAX_PIXMAPS"));
}
bx_bitmaps[bx_bitmap_entries].bmap =
XCreateBitmapFromData(bx_x_display, win, (const char *) bmap, xdim, ydim);
bx_bitmaps[bx_bitmap_entries].xdim = xdim;
bx_bitmaps[bx_bitmap_entries].ydim = ydim;
if (!bx_bitmaps[bx_bitmap_entries].bmap) {
BX_PANIC(("x: could not create bitmap"));
}
bx_bitmap_entries++;
return(bx_bitmap_entries-1); // return index as handle
}
unsigned
bx_gui_c::headerbar_bitmap(unsigned bmap_id, unsigned alignment, void (*f)(void))
{
unsigned hb_index;
if ( (bx_headerbar_entries+1) > BX_MAX_HEADERBAR_ENTRIES )
BX_PANIC(("x: too many headerbar entries, increase BX_MAX_HEADERBAR_ENTRIES"));
bx_headerbar_entries++;
hb_index = bx_headerbar_entries - 1;
bx_headerbar_entry[hb_index].bitmap = bx_bitmaps[bmap_id].bmap;
bx_headerbar_entry[hb_index].xdim = bx_bitmaps[bmap_id].xdim;
bx_headerbar_entry[hb_index].ydim = bx_bitmaps[bmap_id].ydim;
bx_headerbar_entry[hb_index].alignment = alignment;
bx_headerbar_entry[hb_index].f = f;
if (alignment == BX_GRAVITY_LEFT) {
bx_headerbar_entry[hb_index].xorigin = bx_bitmap_left_xorigin;
bx_headerbar_entry[hb_index].yorigin = 0;
bx_bitmap_left_xorigin += bx_bitmaps[bmap_id].xdim;
}
else { // BX_GRAVITY_RIGHT
bx_bitmap_right_xorigin += bx_bitmaps[bmap_id].xdim;
bx_headerbar_entry[hb_index].xorigin = bx_bitmap_right_xorigin;
bx_headerbar_entry[hb_index].yorigin = 0;
}
return(hb_index);
}
void
bx_gui_c::replace_bitmap(unsigned hbar_id, unsigned bmap_id)
{
unsigned xorigin;
bx_headerbar_entry[hbar_id].bitmap = bx_bitmaps[bmap_id].bmap;
if (bx_headerbar_entry[hbar_id].alignment == BX_GRAVITY_LEFT)
xorigin = bx_headerbar_entry[hbar_id].xorigin;
else
xorigin = dimension_x - bx_headerbar_entry[hbar_id].xorigin;
XCopyPlane(bx_x_display, bx_headerbar_entry[hbar_id].bitmap, win, gc_headerbar,
0,0, bx_headerbar_entry[hbar_id].xdim, bx_headerbar_entry[hbar_id].ydim,
xorigin, 0, 1);
}
void
headerbar_click(int x, int y)
{
int xorigin;
// assuming y is in bounds
UNUSED(y);
for (unsigned i=0; i<bx_headerbar_entries; i++) {
if (bx_headerbar_entry[i].alignment == BX_GRAVITY_LEFT)
xorigin = bx_headerbar_entry[i].xorigin;
else
xorigin = dimension_x - bx_headerbar_entry[i].xorigin;
if ( (x>=xorigin) && (x<(xorigin+int(bx_headerbar_entry[i].xdim))) ) {
bx_headerbar_entry[i].f();
return;
}
}
}
void
bx_gui_c::exit(void)
{
BX_INFO(("Exit."));
}
static void warp_cursor (int dx, int dy)
{
if (bx_options.Omouse_enabled->get () &&
(warp_dx || warp_dy || dx || dy)
) {
warp_dx = dx;
warp_dy = dy;
XWarpPointer(bx_x_display, None, None, 0, 0, 0, 0, dx, dy);
}
}
static void disable_cursor ()
{
static Cursor cursor;
static unsigned cursor_created = 0;
static int shape_width = 16,
shape_height = 16,
mask_width = 16,
mask_height = 16;
static uint32 shape_bits[(16*16)/32] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
};
static uint32 mask_bits[(16*16)/32] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
};
if (!cursor_created) {
Pixmap shape, mask;
XColor white, black;
shape = XCreatePixmapFromBitmapData(bx_x_display,
RootWindow(bx_x_display,bx_x_screen_num),
(char*)shape_bits,
shape_width,
shape_height,
1, 0, 1);
mask = XCreatePixmapFromBitmapData(bx_x_display,
RootWindow(bx_x_display,bx_x_screen_num),
(char*)mask_bits,
mask_width,
mask_height,
1, 0, 1);
XParseColor(bx_x_display, default_cmap, "black", &black);
XParseColor(bx_x_display, default_cmap, "white", &white);
cursor = XCreatePixmapCursor(bx_x_display, shape, mask,
&white, &black, 1, 1);
cursor_created = 1;
}
XDefineCursor(bx_x_display, win, cursor);
}
static void enable_cursor ()
{
XUndefineCursor(bx_x_display, win);
}
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