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/* ---------------------------------------------------------------------- *
* lcx11.c
* This file is part of lincity.
* Lincity is copyright (c) I J Peters 1995-1997, (c) Greg Sharp 1997-2001.
* ---------------------------------------------------------------------- */
#include "lcconfig.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <math.h>
#include "lcstring.h"
#include "lcintl.h"
#include "fileutil.h"
#include "lclib.h"
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/keysymdef.h>
#include "lin-city.h"
#include "lctypes.h"
#include "cliglobs.h"
#include "lcx11.h"
#include "pixmap.h"
#include "mouse.h"
#include "screen.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#define USE_IMAGES 1
#define DEBUG_X11_MOUSE
#undef DEBUG_X11_MOUSE
void
set_pointer_confinement (void)
{
if (confine_flag) {
XGrabPointer (display.dpy, display.win, 0,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync,
display.win, None, CurrentTime);
} else {
XUngrabPointer (display.dpy, CurrentTime);
}
}
int
confine_pointer (int x, int y, int w, int h)
{
if (display.pointer_confined)
return 0;
display.confinewin =
XCreateSimpleWindow(display.dpy, display.win,
10, 10, w, h,
0, 0, 0);
XMapWindow(display.dpy, display.confinewin);
XGrabPointer(display.dpy, display.root, 1,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, display.confinewin,
None, CurrentTime);
display.pointer_confined = 1;
return 1;
}
void
unconfine_pointer (void)
{
XUngrabPointer(display.dpy, CurrentTime);
XDestroyWindow(display.dpy, display.confinewin);
display.pointer_confined = 0;
}
void
setcustompalette (void)
{
char s[100];
int n, r, g, b, i, flag[256];
XColor pal[256];
FILE *inf;
for (i = 0; i < 256; i++)
flag[i] = 0;
if ((inf = fopen (colour_pal_file, "r")) == 0)
HandleError ("Can't find the colour pallet file", FATAL);
while (feof (inf) == 0)
{
fgets (s, 99, inf);
if (sscanf (s, "%d %d %d %d", &n, &r, &g, &b) == 4)
{
pal[n].red = r;
pal[n].green = g;
pal[n].blue = b;
pal[n].flags = DoRed | DoGreen | DoBlue;
pal[n].pixel = colour_table[n]; /* ??? */
flag[n] = 1;
}
}
fclose (inf);
for (i = 0; i < 256; i++)
{
if (flag[i] == 0)
{
printf ("Colour %d not loaded\n", i);
HandleError ("Can't continue", FATAL);
}
pal[i].red = (unsigned char) ((pal[i].red
* (1 - gamma_correct_red)) + (64 * sin ((float) pal[i].red
* M_PI / 128)) * gamma_correct_red);
pal[i].green = (unsigned char) ((pal[i].green
* (1 - gamma_correct_green)) + (64 * sin ((float) pal[i].green
* M_PI / 128)) * gamma_correct_green);
pal[i].blue = (unsigned char) ((pal[i].blue
* (1 - gamma_correct_blue)) + (64 * sin ((float) pal[i].blue
* M_PI / 128)) * gamma_correct_blue);
}
do_setcustompalette (pal);
}
void
open_setcustompalette (XColor * inpal)
{
do_setcustompalette (inpal);
}
void
do_setcustompalette (XColor * inpal)
{
int i, n, me = 0, flag[256], vid;
int depth;
long unsigned int plane_masks[3];
XColor pal[256];
int writeable_p;
display.cmap = XDefaultColormap (display.dpy, display.screen);
depth = DefaultDepth (display.dpy, display.screen);
/* Decide, if the colormap is writable */
{
Visual *visual = DefaultVisual (display.dpy, display.screen);
#if defined(__cplusplus) || defined(c_plusplus)
int visual_class = visual->c_class;
#else
int visual_class = visual->class;
#endif
writeable_p = (visual_class == PseudoColor || visual_class == GrayScale);
}
if (writeable_p)
{
if (XAllocColorCells (display.dpy, display.cmap, 0
,plane_masks, 0, colour_table, 256) == 0)
{
me = (*DefaultVisual (display.dpy, display.screen)).map_entries;
vid = (*DefaultVisual (display.dpy, display.screen)).visualid;
display.cmap = XCreateColormap (display.dpy, display.win
,DefaultVisual (display.dpy, display.screen)
/* ,PseudoColor */
,AllocNone);
if (me == 256 && depth != 24)
{
if (XAllocColorCells (display.dpy, display.cmap, 0
,plane_masks, 0, colour_table, 256) != 0) {
/* printf ("Allocated 256 cells\n"); */
}
else {
printf ("Couldn't allocate 256 cells\n");
}
}
else
for (i = 0; i < 256; i++)
colour_table[i] = i;
}
if (!display.cmap)
HandleError ("No default colour map", FATAL);
}
for (i = 0; i < 256; i++)
flag[i] = 0;
for (n = 0; n < 256; n++)
{
pal[n].red = inpal[n].red << 10;
pal[n].green = inpal[n].green << 10;
pal[n].blue = inpal[n].blue << 10;
pal[n].flags = DoRed | DoGreen | DoBlue;
if (writeable_p)
pal[n].pixel = colour_table[n];
else
{
if (XAllocColor (display.dpy
,display.cmap, &(pal[n])) == 0)
HandleError ("alloc colour failed"
,FATAL);
colour_table[n] = pal[n].pixel;
XSetForeground (display.dpy
,display.pixcolour_gc[n]
,colour_table[n]);
}
flag[n] = 1;
}
if (writeable_p)
{
XStoreColors (display.dpy, display.cmap, pal, 256);
XFlush (display.dpy);
}
XSetWindowColormap (display.dpy, display.win, display.cmap);
}
#if defined (commentout)
void
initfont ()
{
int i;
FILE *finf;
if ((finf = fopen (fontfile, "r")) == 0)
HandleError ("Can't open the font file", FATAL);
for (i = 0; i < 256 * 8; i++)
myfont[i] = fgetc (finf);
fclose (finf);
}
#endif
void
Fgl_setfontcolors (int bg, int fg)
{
text_fg = fg;
text_bg = bg;
}
void
Fgl_setfont (int fw, int fh, void *fp)
{
open_font = fp;
open_font_height = fh;
}
void
parse_xargs (int argc, char **argv, char **geometry)
{
int option;
extern char *optarg;
#ifdef ALLOW_PIX_DOUBLING
char* option_string = "vbrndg:wR:G:B:D";
#else
char* option_string = "vbrng:wR:G:B:D";
#endif
while ((option = getopt (argc, argv, option_string)) != EOF) {
switch (option)
{
case 'v':
verbose = TRUE;
break;
case 'g':
*geometry = optarg;
break;
#ifdef ALLOW_PIX_DOUBLING
case 'd':
pix_double = 1;
/* Fall through. We are not allowed a border with pix doubling */
#endif
case 'b':
borderx = 0;
bordery = 0;
break;
case 'r':
borderx = BORDERX;
bordery = BORDERY;
break;
case 'n':
no_init_help = TRUE;
break;
case 'w':
gamma_correct_red = GAMMA_CORRECT_RED;
gamma_correct_green = GAMMA_CORRECT_GREEN;
gamma_correct_blue = GAMMA_CORRECT_BLUE;
break;
case 'R':
sscanf (optarg, "%f", &gamma_correct_red);
break;
case 'G':
sscanf (optarg, "%f", &gamma_correct_green);
break;
case 'B':
sscanf (optarg, "%f", &gamma_correct_blue);
break;
case 'D':
command_line_debug = 1;
break;
}
}
if (verbose)
printf (_("Version %s\n"), VERSION);
if (!(display.dpy = XOpenDisplay (display.dname)))
{
printf (" Can't open the dispay!\n");
HandleError ("Cannot open display.\n", FATAL);
exit (-1);
}
/* Record the screen number and root window. */
display.screen = DefaultScreen (display.dpy);
display.root = RootWindow (display.dpy, display.screen);
display.winW = WINWIDTH + borderx * 2 + pix_double * WINWIDTH;
display.winH = WINHEIGHT + bordery * 2 + pix_double * WINHEIGHT;
winX = (DisplayWidth (display.dpy, display.screen) - display.winW) / 2;
winY = (DisplayHeight (display.dpy, display.screen) - display.winH) / 2;
if (*geometry != NULL)
XParseGeometry (*geometry, &winX, &winY, &display.winW, &display.winH);
}
void
Create_Window (char *geometry)
{
short q;
Visual *vid;
XSetWindowAttributes xswa;
XSizeHints sizehint;
XWMHints wmhints;
int depth;
unsigned char wname[256]; /* Window Name */
unsigned long vmask = CWEventMask | CWBackPixel | CWBackingStore;
depth = DefaultDepth (display.dpy, display.screen);
xswa.event_mask = 0;
xswa.background_pixel = display.bg;
xswa.backing_store = Always;
debug_printf ("DefaultVisual id=%d bp-rgb=%d map-entries=%d\n",
(int) (*DefaultVisual (display.dpy, display.screen)).visualid,
(*DefaultVisual (display.dpy, display.screen)).bits_per_rgb,
(*DefaultVisual (display.dpy, display.screen)).map_entries);
vid = DefaultVisual (display.dpy, display.screen);
display.cmap
= XDefaultColormap (display.dpy, display.screen);
display.win = XCreateWindow (display.dpy, display.root,
winX, winY,
display.winW, display.winH, 0, depth,
InputOutput, /* vid , */
DefaultVisual (display.dpy, display.screen),
/* PseudoColor, */
vmask, &xswa);
sizehint.x = winX - 100;
sizehint.y = winY;
sizehint.width = display.winW;
sizehint.height = display.winH;
sizehint.min_width = display.winW;
sizehint.min_height = display.winH;
sizehint.max_width = display.winW;
sizehint.max_height = display.winH;
/* GCS FIX: Be careful about resizing the opening screen */
/* WCK: Fixed. We lock it now, and unlock it after the opening screen.
not gorgeous, but it works for now. Still need to clean up.*/
#define NO_RESIZABLE_WINDOWS 1
if (geometry != NULL) {
#if defined (NO_RESIZABLE_WINDOWS)
sizehint.flags = USPosition | USSize | PMinSize | PMaxSize;
#else
sizehint.flags = USPosition | USSize | PMinSize;
#endif
} else {
#if defined (NO_RESIZABLE_WINDOWS)
sizehint.flags = PPosition | PSize | PMinSize | PMaxSize;
#else
sizehint.flags = PPosition | PSize | PMinSize;
#endif
}
XSetNormalHints (display.dpy, display.win, &sizehint);
display.protocol_atom = XInternAtom (display.dpy, "WM_PROTOCOLS",
False);
display.kill_atom = XInternAtom (display.dpy, "WM_DELETE_WINDOW",
False);
/* Title */
sprintf ((char *) wname,
_("xlincity, Version %s, "
"(Copyright) IJ Peters - copying policy GNU GPL"),
VERSION);
XChangeProperty (display.dpy, display.win,
XA_WM_NAME, XA_STRING, 8, PropModeReplace, wname,
strlen ((char *) wname));
/* Window Manager Hints (This is supposed to make input work.) */
wmhints.flags = InputHint;
wmhints.input = True;
XSetWMHints (display.dpy, display.win, &wmhints);
/* GCS - 2003/08/15 - Cygwin doesn't generate the MapEvent unless
the mask enabled before XMapWindow is called. Therefore,
XSelectInput needs to be called before XMapWindow */
XSelectInput (display.dpy, display.win,
KeyPressMask | ButtonPressMask | ButtonReleaseMask
| ExposureMask | StructureNotifyMask);
XMapWindow (display.dpy, display.win);
for (q = 0; q < 256; q++)
{
display.pixcolour_gc[q] = XCreateGC (display.dpy
,display.win, 0, NULL);
XSetForeground (display.dpy, display.pixcolour_gc[q], q);
XSetBackground (display.dpy, display.pixcolour_gc[q],
display.bg);
XSetGraphicsExposures (display.dpy, display.pixcolour_gc[q],
False);
}
}
void
unlock_window_size (void)
{
XSizeHints sizehint;
sizehint.x = winX - 100;
sizehint.y = winY;
sizehint.width = display.winW;
sizehint.height = display.winH;
sizehint.min_width = display.winW;
sizehint.min_height = display.winH;
sizehint.max_width = display.winW;
sizehint.max_height = display.winH;
sizehint.flags = USPosition | USSize | PMinSize;
XSetNormalHints (display.dpy, display.win, &sizehint);
}
void
HandleError (char *description, int degree)
{
fprintf (stderr,
_("An error has occurred. The description is below...\n"));
fprintf (stderr, "%s\n", description);
if (degree == FATAL) {
fprintf (stderr, _("Program aborting...\n"));
exit (-1);
}
}
void
Fgl_setpixel (int x, int y, int col)
{
int i;
if (clipping_flag)
if (x < xclip_x1 || x > xclip_x2 || y < xclip_y1 || y > xclip_y2)
return;
col &= 0xff;
i = pixmap_index(x,y);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double) {
if ((int) pixmap[i] != col)
{
pixmap[i] = (unsigned char) col;
XFillRectangle (display.dpy, display.win,
display.pixcolour_gc[col], x * 2, y * 2, 2, 2);
}
} else {
#endif
if ((int) pixmap[i] != col)
{
pixmap[i] = (unsigned char) col;
XDrawPoint (display.dpy, display.win,
display.pixcolour_gc[col], x + borderx, y + bordery);
}
#ifdef ALLOW_PIX_DOUBLING
}
#endif
}
int
Fgl_getpixel (int x, int y)
{
return pixmap_getpixel (x, y);
}
void
Fgl_hline (int x1, int y1, int x2, int col)
{
col &= 0xff;
pixmap_hline (x1, y1, x2, col);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double)
XFillRectangle (display.dpy, display.win
,display.pixcolour_gc[col], x1 * 2, y1 * 2
,(x2 - x1) * 2 + 1, 2);
else
#endif
XDrawLine (display.dpy, display.win
,display.pixcolour_gc[col], x1 + borderx
,y1 + bordery, x2 + borderx, y1 + bordery);
}
void
Fgl_line (int x1, int y1, int dummy, int y2, int col)
/* vertical lines only. */
{
col &= 0xff;
pixmap_vline (x1, y1, y2, col);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double)
XFillRectangle (display.dpy, display.win
,display.pixcolour_gc[col], x1 * 2, y1 * 2
,2, (y2 - y1) * 2 + 1);
else
#endif
XDrawLine (display.dpy, display.win
,display.pixcolour_gc[col], x1 + borderx
,y1 + bordery, x1 + borderx, y2 + bordery);
}
void
Fgl_write (int x, int y, char *s)
{
int i;
for (i = 0; i < (int) (strlen (s)); i++)
my_x_putchar (x + i * 8, y, s[i]);
}
void
open_write (int x, int y, char *s)
{
int i;
for (i = 0; i < (int) (strlen (s)); i++)
open_x_putchar (x + i * 8, y, s[i]);
}
void
my_x_putchar (int xx, int yy, unsigned char c)
{
int x, y, b;
for (y = 0; y < 8; y++)
{
b = main_font[c * 8 + y];
for (x = 0; x < 8; x++)
{
if ((b & 0x80) == 0)
Fgl_setpixel (xx + x, yy + y, text_bg);
else
Fgl_setpixel (xx + x, yy + y, text_fg);
b = b << 1;
}
}
}
void
open_x_putchar (int xx, int yy, unsigned char c)
{
int x, y, b;
for (y = 0; y < open_font_height; y++)
{
b = open_font[c * open_font_height + y];
for (x = 0; x < 8; x++)
{
if ((b & 0x80) == 0)
Fgl_setpixel (xx + x, yy + y, text_bg);
else
Fgl_setpixel (xx + x, yy + y, text_fg);
b = b << 1;
}
}
}
void
Fgl_fillbox (int x1, int y1, int w, int h, int col)
{
if (clipping_flag) {
if (x1 < xclip_x1)
x1 = xclip_x1;
if (x1 + w - 1 > xclip_x2)
w = xclip_x2 - x1 + 1;
if (y1 < xclip_y1)
y1 = xclip_y1;
if (y1 + h - 1 > xclip_y2)
h = xclip_y2 - y1 + 1;
}
col &= 0xff;
pixmap_fillbox (x1, y1, w, h, col);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double)
XFillRectangle (display.dpy, display.win,
display.pixcolour_gc[col], x1 * 2, y1 * 2, w * 2, h * 2);
else
#endif
XFillRectangle (display.dpy, display.win,
display.pixcolour_gc[col], x1 + borderx, y1 + bordery, w, h);
}
#ifdef USE_IMAGES
/*
* Instead of transfering a pixmap pixel by pixel, it is much more
* efficient to build an XImage in core and send it in one piece off
* to the X server.
*
* -- GB.
*/
static int
clamp (int x, int low, int high)
/* clamp x to the interval [low, high] */
{
if (x < low)
x = low;
else if (x > high)
x = high;
return x;
}
/*
* Copy the the sub-image (src_x, src_y, w, h) to the screen at
* (x0 + x1, y0 + y1).
* `src' is a pointer to the array of pixels.
* `bpl' is the width of that array.
* No clipping performed.
*/
void
Fgl_putbox_low (Drawable dst, int x0, int y0, int x1, int y1,
int w, int h, unsigned char *src, int bpl,
int src_x, int src_y)
{
XImage *im;
int x, y;
#ifdef ALLOW_PIX_DOUBLING
const int pmult = pix_double ? 2 : 1;
#else
const int pmult = 1;
#endif
im = XCreateImage (display.dpy, 0, /* display and visual */
DefaultDepth (display.dpy, display.screen), /* depth */
ZPixmap, /* format */
0, /* offset */
0, /* data */
pmult * w, pmult * h, /* width and height */
32, 0); /* bitmap_pad and bytes_per_line */
/* XXX: assert is not the right way to check for errors - wck */
assert (im != 0);
im->data = (char *) malloc (im->bytes_per_line * pmult * h);
assert (im->data != 0);
src += src_x + src_y * bpl;
if (pmult == 1) {
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
XPutPixel (im, x, y, colour_table[src[x + y * bpl]]);
} else {
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
{
unsigned long c = colour_table[src[x + y * bpl]];
XPutPixel (im, 2 * x + 0, 2 * y + 0, c);
XPutPixel (im, 2 * x + 0, 2 * y + 1, c);
XPutPixel (im, 2 * x + 1, 2 * y + 0, c);
XPutPixel (im, 2 * x + 1, 2 * y + 1, c);
}
}
if (dst == display.win) {
pixmap_putbox (src, 0, 0, bpl, x1, y1, w, h);
}
XPutImage (display.dpy, dst, display.pixcolour_gc[0], im, 0, 0,
x0 + pmult * x1, y0 + pmult * y1, pmult * w, pmult * h);
XDestroyImage (im);
}
void
Fgl_putbox (int x, int y, int w, int h, void *buf)
{
int c_x0 = clipping_flag ? xclip_x1 : 0;
int c_x1 = clipping_flag ? xclip_x2 : display.winW - 1;
int c_y0 = clipping_flag ? xclip_y1 : 0;
int c_y1 = clipping_flag ? xclip_y2 : display.winH - 1;
int x1 = clamp (x, c_x0, c_x1);
int y1 = clamp (y, c_y0, c_y1);
int x2 = clamp (x + w, c_x0, c_x1 + 1);
int y2 = clamp (y + h, c_y0, c_y1 + 1);
if (x2 > x1 && y2 > y1)
Fgl_putbox_low (display.win, borderx, bordery, x1, y1, x2 - x1,
y2 - y1, (unsigned char *) buf, w, x1 - x, y1 - y);
}
#else
void
Fgl_putbox (int x1, int y1, int w, int h, void *buf)
{
unsigned char *b;
b = (unsigned char *) buf;
int x, y;
for (y = y1; y < y1 + h; y++)
for (x = x1; x < x1 + w; x++)
Fgl_setpixel (x, y, *(b++));
}
#endif
void
Fgl_getbox (int x1, int y1, int w, int h, void *buf)
{
unsigned char *b;
int x, y;
b = (unsigned char *) buf;
for (y = y1; y < y1 + h; y++)
for (x = x1; x < x1 + w; x++)
*(b++) = (unsigned char) Fgl_getpixel (x, y);
}
void
HandleEvent (XEvent * event)
{
XEvent loop_ev; /* for clearing the queue of events */
switch (event->type)
{
case KeyPress:
{
XKeyEvent *key_event = (XKeyEvent *) event;
char buf[128];
KeySym ks;
XComposeStatus status;
XLookupString (key_event, buf, 128, &ks, &status);
x_key_shifted = ShiftMask & key_event->state;
x_key_value = buf[0];
switch (ks) {
case XK_Left:
x_key_value = 1;
break;
case XK_Down:
x_key_value = 2;
break;
case XK_Up:
x_key_value = 3;
break;
case XK_Right:
x_key_value = 4;
break;
#if defined (commentout)
/* GCS: What the hell is this??? */
case 'C':
if (!confine_pointer(-10,-10,200,200))
unconfine_pointer();
break;
#endif
case XK_BackSpace:
case XK_Delete:
x_key_value = 127;
break;
}
}
break;
case MotionNotify:
{
XMotionEvent *ev = (XMotionEvent *) event;
while (XCheckMaskEvent(display.dpy,PointerMotionMask,&loop_ev)) {
ev = (XMotionEvent *) &loop_ev;
}
#ifdef DEBUG_X11_MOUSE
printf("pointer motion event\n");
#endif
if (ev->state & Button2Mask)
drag_screen();
}
break;
case ButtonPress:
{
XButtonEvent *ev = (XButtonEvent *) event;
if ((ev->state & ShiftMask) != 0)
cs_mouse_shifted = 1;
else
cs_mouse_shifted = 0;
#ifdef DEBUG_X11_MOUSE
printf("button press: ev->button = %d\n",ev->button);
#endif
#if defined (commentout)
mouse_button = ev->button;
#endif
switch (ev->button) {
case Button1:
mouse_button = LC_MOUSE_LEFTBUTTON | LC_MOUSE_PRESS;
break;
case Button2:
mouse_button = LC_MOUSE_MIDDLEBUTTON | LC_MOUSE_PRESS;
break;
case Button3:
mouse_button = LC_MOUSE_RIGHTBUTTON | LC_MOUSE_PRESS;
break;
/* Wheel mouse support
Move further for Shift (in main.c: process_keystrokes() ),
left to right instead of up and down for Control */
case Button4: /* Up (3); Left (1) if Control */
x_key_shifted = ShiftMask & ev->state;
x_key_value = (ControlMask & ev->state) ? 1 : 3;
break;
case Button5: /* Down (4); Right (2) if control */
x_key_shifted = ShiftMask & ev->state;
x_key_value = (ControlMask & ev->state) ? 4 : 2;
break;
/* XFree86-3 only supports 5 buttons, no Button6 or higher */
}
cs_mouse_handler (mouse_button, 0, 0);
mouse_button = 0;
}
break;
case ButtonRelease:
{
XButtonEvent *ev = (XButtonEvent *) event;
mouse_button = ev->button;
#ifdef DEBUG_X11_MOUSE
printf("button release: ev->button = %d\n",ev->button);
#endif
switch (ev->button) {
case Button1:
mouse_button = LC_MOUSE_LEFTBUTTON | LC_MOUSE_RELEASE;
break;
case Button2:
mouse_button = LC_MOUSE_MIDDLEBUTTON | LC_MOUSE_RELEASE;
break;
case Button3:
mouse_button = LC_MOUSE_RIGHTBUTTON | LC_MOUSE_RELEASE;
break;
}
cs_mouse_handler (mouse_button, 0, 0);
mouse_button = 0;
}
break;
case Expose:
{
XExposeEvent *ev = (XExposeEvent *) event;
int gx1,gy1,gx2,gy2;
gx1 = ev->x;
gy1 = ev->y;
gx2 = ev->x + ev->width;
gy2 = ev->y + ev->height;
/* Coalesce waiting exposes into single redraw */
while (XCheckMaskEvent(display.dpy,ExposureMask,&loop_ev)) {
ev = (XExposeEvent *) &loop_ev;
gx1 = min_int (gx1,ev->x);
gy1 = min_int (gy1,ev->y);
gx2 = max_int (gx2,ev->x + ev->width);
gy2 = max_int (gy2,ev->y + ev->height);
}
if (suppress_next_expose) {
suppress_next_expose = 0;
break;
}
refresh_screen (gx1,gy1,gx2,gy2);
}
break;
case ConfigureNotify:
{
XConfigureEvent *ev = (XConfigureEvent *) event;
while (XCheckTypedEvent(display.dpy, ConfigureNotify, &loop_ev)) {
ev = (XConfigureEvent *) &loop_ev;
}
resize_geometry (ev->width, ev->height);
}
break;
}
//fprintf(stderr,"Handler fell through, event->type = %d\n",event->type);
}
#undef DEBUG_X11_MOUSE
void
refresh_screen (int x1, int y1, int x2, int y2) /* bounds of refresh area */
{
#ifdef USE_IMAGES
int wx1 = x1-borderx < 0 ? 0 : x1-borderx;
int wy1 = y1-bordery < 0 ? 0 : y1-bordery;
int wx2 = x2-borderx > pixmap_width ? pixmap_width : x2-borderx;
int wy2 = y2-bordery > pixmap_height ? pixmap_height : y2-bordery;
if (wx2-wx1 <= 0 || wy2-wy1 <= 0) {
/* Note: the "< 0" part can happen for when x1 is in the right border,
or when y1 is in the left border. */
return;
}
Fgl_putbox_low (display.win, borderx, bordery, wx1, wy1,
wx2 - wx1, wy2 - wy1, (unsigned char*) pixmap,
pixmap_width, wx1, wy1);
#else
int x, y;
#ifdef ALLOW_PIX_DOUBLING
if (pix_double)
{
for (y = y1; y < y2; y++)
for (x = x1; x < x2; x++)
XFillRectangle (display.dpy, display.win
,display.pixcolour_gc[*(pixmap + x + y
* (640 + BORDERX)) & 0xff], x * 2, y * 2, 2, 2);
}
else
{
#endif
for (y = y1; y < y2; y++)
for (x = x1; x < x2; x++)
XDrawPoint (display.dpy, display.win
,display.pixcolour_gc[*(pixmap
+ x + y * (640 + BORDERX)) & 0xff], x, y);
#ifdef ALLOW_PIX_DOUBLING
}
#endif /* ALLOW_PIX_DOUBLING */
#endif /* USE_IMAGES */
}
void
Fgl_enableclipping (void)
{
clipping_flag = 1;
}
void
Fgl_setclippingwindow (int x1, int y1, int x2, int y2)
{
xclip_x1 = x1;
xclip_y1 = y1;
xclip_x2 = x2;
xclip_y2 = y2;
}
void
Fgl_disableclipping (void)
{
clipping_flag = 0;
}
void
do_call_event (int wait)
{
int dummy_int, x, y;
Window dummy_win;
XEvent xev;
if (XPending (display.dpy))
{
XNextEvent (display.dpy, &xev);
HandleEvent (&xev);
}
else if (wait)
lc_usleep (1000);
/* WCK: this could possibly be better handled with a MotionEvent */
XQueryPointer (display.dpy, display.win, &dummy_win, &dummy_win
,&dummy_int, &dummy_int, &x, &y, (unsigned int *) &dummy_int);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double)
{
x /= 2;
y /= 2;
}
else
{
#endif
x -= borderx;
y -= bordery;
#ifdef ALLOW_PIX_DOUBLING
}
#endif
if (x != cs_mouse_x || y != cs_mouse_y)
cs_mouse_handler (0, x - cs_mouse_x, y - cs_mouse_y);
/* WCK: no longer passing mouse_button, 0 used instead. Presses are handled
in the event loop */
}
void
call_event (void)
{
do_call_event (0);
}
void
call_wait_event (void)
{
do_call_event (1);
}
int
lc_get_keystroke (void)
{
int q;
call_event ();
q = x_key_value;
x_key_value = 0;
return q;
}
/* init_full_mouse is called just before the main client loop. */
/* XXX: This needs a much better name */
/* GCS: Yes it does, b/c it means something different for svgalib */
void
init_x_mouse (void)
{
XSelectInput (display.dpy, display.win,
KeyPressMask | ButtonPressMask | ButtonReleaseMask
| ExposureMask | StructureNotifyMask | ButtonMotionMask);
}
void
draw_border (void)
{
int col = TEXT_BG_COLOUR & 0xff;
if (borderx > 0) {
XFillRectangle (display.dpy, display.win, display.pixcolour_gc[col],
0, bordery, borderx, display.winH - 2*bordery);
XFillRectangle (display.dpy, display.win, display.pixcolour_gc[col],
display.winW - borderx, bordery,
borderx, display.winH - 2*bordery);
}
if (bordery > 0) {
XFillRectangle (display.dpy, display.win, display.pixcolour_gc[col],
0, 0, display.winW, bordery);
XFillRectangle (display.dpy, display.win, display.pixcolour_gc[col],
0, display.winH - bordery, display.winW, bordery);
}
}
#ifdef USE_PIXMAPS
void
init_icon_pixmap (short type)
{
unsigned char *g;
#if !defined USE_IMAGES
int x, y;
#endif
int grp;
grp = get_group_of_type(type);
#ifdef ALLOW_PIX_DOUBLING
if (pix_double) {
icon_pixmap[type]
= XCreatePixmap (display.dpy, display.win,
main_groups[grp].size * 16 * 2,
main_groups[grp].size * 16 * 2,
DefaultDepth (display.dpy,
display.screen));
} else {
#endif
icon_pixmap[type]
= XCreatePixmap (display.dpy, display.win,
main_groups[grp].size * 16,
main_groups[grp].size * 16,
DefaultDepth (display.dpy,
display.screen));
#ifdef ALLOW_PIX_DOUBLING
}
#endif
g = (unsigned char *) main_types[type].graphic;
#ifdef USE_IMAGES
Fgl_putbox_low (icon_pixmap[type],
0, 0, 0, 0, main_groups[grp].size * 16,
main_groups[grp].size * 16,
g, main_groups[grp].size * 16,
0, 0);
#else
#ifdef ALLOW_PIX_DOUBLING
if (pix_double) {
for (y = 0; y < main_groups[grp].size * 16; y++)
for (x = 0; x < main_groups[grp].size * 16; x++)
XFillRectangle (display.dpy, icon_pixmap[type]
,display.pixcolour_gc[*(g++)]
,x * 2, y * 2, 2, 2);
} else {
#endif
for (y = 0; y < main_groups[grp].size * 16; y++)
for (x = 0; x < main_groups[grp].size * 16; x++)
XDrawPoint (display.dpy, icon_pixmap[type]
,display.pixcolour_gc[*(g++)], x, y);
#ifdef ALLOW_PIX_DOUBLING
}
#endif /* ALLOW_PIX_DOUBLING */
#endif /* USE_IMAGES */
}
#endif /* USE_PIXMAPS */
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