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x_events.c 34.64 KiB
/*
* This file contains ONLY the functions that are called from the
* event thread.
*/
#include <math.h>
#include <unistd.h>
#include <stdbool.h>
#include <fcntl.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>
#include <threadwrap.h>
#include <genwrap.h>
#include <dirwrap.h>
#include "vidmodes.h"
#include "ciolib.h"
#define BITMAP_CIOLIB_DRIVER
#include "bitmap_con.h"
#include "link_list.h"
#include "scale.h"
#include "x_events.h"
#include "x_cio.h"
#include "utf8_codepages.h"
/*
* Exported variables
*/
int local_pipe[2]; /* Used for passing local events */
int key_pipe[2]; /* Used for passing keyboard events */
struct x11 x11;
char *copybuf;
pthread_mutex_t copybuf_mutex;
char *pastebuf;
sem_t pastebuf_set;
sem_t pastebuf_used;
sem_t init_complete;
sem_t mode_set;
int x11_window_xpos;
int x11_window_ypos;
int x11_window_width;
int x11_window_height;
int x11_initialized=0;
sem_t event_thread_complete;
int terminate = 0;
Atom copybuf_format;
Atom pastebuf_format;
/*
* Local variables
*/
/* Sets the atom to be used for copy/paste operations */
#define CONSOLE_CLIPBOARD XA_PRIMARY
static Atom WM_DELETE_WINDOW=0;
static Display *dpy=NULL;static Window win;
static Cursor curs = None;
static Visual visual;
static XImage *xim;
static XIM im;
static XIC ic;
static unsigned int depth=0;
static int xfd;
static unsigned long black;
static unsigned long white;
static int bitmap_width=0;
static int bitmap_height=0;
static int old_scaling = 0;
struct video_stats x_cvstat;
static unsigned long base_pixel;
static int r_shift;
static int g_shift;
static int b_shift;
static struct graphics_buffer *last = NULL;
/* Array of Graphics Contexts */
static GC gc;
static WORD Ascii2Scan[] = {
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0x000e, 0x000f, 0xffff, 0xffff, 0xffff, 0x001c, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0x0001, 0xffff, 0xffff, 0xffff, 0xffff,
0x0039, 0x0102, 0x0128, 0x0104, 0x0105, 0x0106, 0x0108, 0x0028,
0x010a, 0x010b, 0x0109, 0x010d, 0x0033, 0x000c, 0x0034, 0x0035,
0x000b, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
0x0009, 0x000a, 0x0127, 0x0027, 0x0133, 0x000d, 0x0134, 0x0135,
0x0103, 0x011e, 0x0130, 0x012e, 0x0120, 0x0112, 0x0121, 0x0122,
0x0123, 0x0117, 0x0124, 0x0125, 0x0126, 0x0132, 0x0131, 0x0118,
0x0119, 0x0110, 0x0113, 0x011f, 0x0114, 0x0116, 0x012f, 0x0111,
0x012d, 0x0115, 0x012c, 0x001a, 0x002b, 0x001b, 0x0107, 0x010c,
0x0029, 0x001e, 0x0030, 0x002e, 0x0020, 0x0012, 0x0021, 0x0022,
0x0023, 0x0017, 0x0024, 0x0025, 0x0026, 0x0032, 0x0031, 0x0018,
0x0019, 0x0010, 0x0013, 0x001f, 0x0014, 0x0016, 0x002f, 0x0011,
0x002d, 0x0015, 0x002c, 0x011a, 0x012b, 0x011b, 0x0129, 0xffff,
};
static struct {
WORD base;
WORD shift;
WORD ctrl;
WORD alt;
} ScanCodes[] = {
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 0 */
{ 0x011b, 0x011b, 0x011b, 0xffff }, /* key 1 - Escape key */
{ 0x0231, 0x0221, 0xffff, 0x7800 }, /* key 2 - '1' */
{ 0x0332, 0x0340, 0x0300, 0x7900 }, /* key 3 - '2' - special handling */
{ 0x0433, 0x0423, 0xffff, 0x7a00 }, /* key 4 - '3' */
{ 0x0534, 0x0524, 0xffff, 0x7b00 }, /* key 5 - '4' */
{ 0x0635, 0x0625, 0xffff, 0x7c00 }, /* key 6 - '5' */
{ 0x0736, 0x075e, 0x071e, 0x7d00 }, /* key 7 - '6' */
{ 0x0837, 0x0826, 0xffff, 0x7e00 }, /* key 8 - '7' */
{ 0x0938, 0x092a, 0xffff, 0x7f00 }, /* key 9 - '8' */
{ 0x0a39, 0x0a28, 0xffff, 0x8000 }, /* key 10 - '9' */
{ 0x0b30, 0x0b29, 0xffff, 0x8100 }, /* key 11 - '0' */
{ 0x0c2d, 0x0c5f, 0x0c1f, 0x8200 }, /* key 12 - '-' */
{ 0x0d3d, 0x0d2b, 0xffff, 0x8300 }, /* key 13 - '=' */
{ 0x0e08, 0x0e08, 0x0e7f, 0xffff }, /* key 14 - backspace */
{ 0x0f09, 0x0f00, 0xffff, 0xffff }, /* key 15 - tab */
{ 0x1071, 0x1051, 0x1011, 0x1000 }, /* key 16 - 'Q' */
{ 0x1177, 0x1157, 0x1117, 0x1100 }, /* key 17 - 'W' */
{ 0x1265, 0x1245, 0x1205, 0x1200 }, /* key 18 - 'E' */
{ 0x1372, 0x1352, 0x1312, 0x1300 }, /* key 19 - 'R' */
{ 0x1474, 0x1454, 0x1414, 0x1400 }, /* key 20 - 'T' */
{ 0x1579, 0x1559, 0x1519, 0x1500 }, /* key 21 - 'Y' */ { 0x1675, 0x1655, 0x1615, 0x1600 }, /* key 22 - 'U' */
{ 0x1769, 0x1749, 0x1709, 0x1700 }, /* key 23 - 'I' */
{ 0x186f, 0x184f, 0x180f, 0x1800 }, /* key 24 - 'O' */
{ 0x1970, 0x1950, 0x1910, 0x1900 }, /* key 25 - 'P' */
{ 0x1a5b, 0x1a7b, 0x1a1b, 0xffff }, /* key 26 - '[' */
{ 0x1b5d, 0x1b7d, 0x1b1d, 0xffff }, /* key 27 - ']' */
{ 0x1c0d, 0x1c0d, 0x1c0a, 0xffff }, /* key 28 - CR */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 29 - control */
{ 0x1e61, 0x1e41, 0x1e01, 0x1e00 }, /* key 30 - 'A' */
{ 0x1f73, 0x1f53, 0x1f13, 0x1f00 }, /* key 31 - 'S' */
{ 0x2064, 0x2044, 0x2004, 0x2000 }, /* key 32 - 'D' */
{ 0x2166, 0x2146, 0x2106, 0x2100 }, /* key 33 - 'F' */
{ 0x2267, 0x2247, 0x2207, 0x2200 }, /* key 34 - 'G' */
{ 0x2368, 0x2348, 0x2308, 0x2300 }, /* key 35 - 'H' */
{ 0x246a, 0x244a, 0x240a, 0x2400 }, /* key 36 - 'J' */
{ 0x256b, 0x254b, 0x250b, 0x2500 }, /* key 37 - 'K' */
{ 0x266c, 0x264c, 0x260c, 0x2600 }, /* key 38 - 'L' */
{ 0x273b, 0x273a, 0xffff, 0xffff }, /* key 39 - ';' */
{ 0x2827, 0x2822, 0xffff, 0xffff }, /* key 40 - ''' */
{ 0x2960, 0x297e, 0xffff, 0xffff }, /* key 41 - '`' */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 42 - left shift */
{ 0x2b5c, 0x2b7c, 0x2b1c, 0xffff }, /* key 43 - '' */
{ 0x2c7a, 0x2c5a, 0x2c1a, 0x2c00 }, /* key 44 - 'Z' */
{ 0x2d78, 0x2d58, 0x2d18, 0x2d00 }, /* key 45 - 'X' */
{ 0x2e63, 0x2e43, 0x2e03, 0x2e00 }, /* key 46 - 'C' */
{ 0x2f76, 0x2f56, 0x2f16, 0x2f00 }, /* key 47 - 'V' */
{ 0x3062, 0x3042, 0x3002, 0x3000 }, /* key 48 - 'B' */
{ 0x316e, 0x314e, 0x310e, 0x3100 }, /* key 49 - 'N' */
{ 0x326d, 0x324d, 0x320d, 0x3200 }, /* key 50 - 'M' */
{ 0x332c, 0x333c, 0xffff, 0xffff }, /* key 51 - ',' */
{ 0x342e, 0x343e, 0xffff, 0xffff }, /* key 52 - '.' */
{ 0x352f, 0x353f, 0xffff, 0xffff }, /* key 53 - '/' */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 54 - right shift - */
{ 0x372a, 0xffff, 0x3772, 0xffff }, /* key 55 - prt-scr - */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 56 - Alt - */
{ 0x3920, 0x3920, 0x3920, 0x3920 }, /* key 57 - space bar */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 58 - caps-lock - */
{ 0x3b00, 0x5400, 0x5e00, 0x6800 }, /* key 59 - F1 */
{ 0x3c00, 0x5500, 0x5f00, 0x6900 }, /* key 60 - F2 */
{ 0x3d00, 0x5600, 0x6000, 0x6a00 }, /* key 61 - F3 */
{ 0x3e00, 0x5700, 0x6100, 0x6b00 }, /* key 62 - F4 */
{ 0x3f00, 0x5800, 0x6200, 0x6c00 }, /* key 63 - F5 */
{ 0x4000, 0x5900, 0x6300, 0x6d00 }, /* key 64 - F6 */
{ 0x4100, 0x5a00, 0x6400, 0x6e00 }, /* key 65 - F7 */
{ 0x4200, 0x5b00, 0x6500, 0x6f00 }, /* key 66 - F8 */
{ 0x4300, 0x5c00, 0x6600, 0x7000 }, /* key 67 - F9 */
{ 0x4400, 0x5d00, 0x6700, 0x7100 }, /* key 68 - F10 */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 69 - num-lock - */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 70 - scroll-lock - */
{ 0x4700, 0x4737, 0x7700, 0xffff }, /* key 71 - home */
{ 0x4800, 0x4838, 0x8d00, 0x9800 }, /* key 72 - cursor up */
{ 0x4900, 0x4939, 0x8400, 0xffff }, /* key 73 - page up */
{ 0x4a2d, 0x4a2d, 0xffff, 0xffff }, /* key 74 - minus sign */
{ 0x4b00, 0x4b34, 0x7300, 0xffff }, /* key 75 - cursor left */
{ 0xffff, 0x4c35, 0xffff, 0xffff }, /* key 76 - center key */
{ 0x4d00, 0x4d36, 0x7400, 0xffff }, /* key 77 - cursor right */
{ 0x4e2b, 0x4e2b, 0xffff, 0xffff }, /* key 78 - plus sign */
{ 0x4f00, 0x4f31, 0x7500, 0xffff }, /* key 79 - end */
{ 0x5000, 0x5032, 0x9100, 0xa000 }, /* key 80 - cursor down */
{ 0x5100, 0x5133, 0x7600, 0xffff }, /* key 81 - page down */
{ CIO_KEY_IC, CIO_KEY_SHIFT_IC, CIO_KEY_CTRL_IC, CIO_KEY_ALT_IC}, /* key 82 - insert */
{ CIO_KEY_DC, CIO_KEY_SHIFT_DC, CIO_KEY_CTRL_DC, CIO_KEY_ALT_IC}, /* key 83 - delete */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 84 - sys key */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 85 */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 86 */
{ 0x8500, 0x5787, 0x8900, 0x8b00 }, /* key 87 - F11 */
{ 0x8600, 0x5888, 0x8a00, 0x8c00 }, /* key 88 - F12 */
};
static void resize_xim(void){
int width = bitmap_width * x_cvstat.scaling;
double ratio = (double)x_cvstat.scale_numerator / x_cvstat.scale_denominator;
int height = lround((double)(bitmap_height * x_cvstat.scaling * x_cvstat.vmultiplier) / ratio);
if (xim) {
if (width == xim->width
&& height == xim->height) {
return;
}
#ifdef XDestroyImage
XDestroyImage(xim);
#else
x11.XDestroyImage(xim);
#endif
}
if (last) {
release_buffer(last);
last = NULL;
}
xim = x11.XCreateImage(dpy, &visual, depth, ZPixmap, 0, NULL, width, height, 32, 0);
xim->data=(char *)calloc(1, xim->bytes_per_line*xim->height);
}
/* Swiped from FreeBSD libc */
static int
my_fls(unsigned long mask)
{
int bit;
if (mask == 0)
return (0);
for (bit = 1; mask != 1; bit++)
mask = mask >> 1;
return (bit);
}
/* Get a connection to the X server and create the window. */
static int init_window()
{
XGCValues gcv;
int i;
XWMHints *wmhints;
XClassHint *classhints;
int ret;
int best=-1;
int best_depth=0;
int best_cmap=0;
XVisualInfo template = {0};
XVisualInfo *vi;
dpy = x11.XOpenDisplay(NULL);
if (dpy == NULL) {
return(-1);
}
xfd = ConnectionNumber(dpy);
x11.utf8 = x11.XInternAtom(dpy, "UTF8_STRING", False);
x11.targets = x11.XInternAtom(dpy, "TARGETS", False);
template.screen = DefaultScreen(dpy);
template.class = TrueColor;
vi = x11.XGetVisualInfo(dpy, VisualScreenMask | VisualClassMask, &template, &ret);
for (i=0; i<ret; i++) {
if (vi[i].depth >= best_depth && vi[i].colormap_size >= best_cmap) {
best = i;
best_depth = vi[i].depth;
}
}
if (best != -1) {
visual = *vi[best].visual; base_pixel = ULONG_MAX;
base_pixel &= ~visual.red_mask;
base_pixel &= ~visual.green_mask;
base_pixel &= ~visual.blue_mask;
r_shift = my_fls(visual.red_mask)-16;
g_shift = my_fls(visual.green_mask)-16;
b_shift = my_fls(visual.blue_mask)-16;
}
else {
fprintf(stderr, "Unable to find TrueColor visual\n");
x11.XFree(vi);
return -1;
}
x11.XFree(vi);
/* Allocate black and white */
black=BlackPixel(dpy, DefaultScreen(dpy));
white=WhitePixel(dpy, DefaultScreen(dpy));
/* Create window, but defer setting a size and GC. */
XSetWindowAttributes wa = {0};
wa.colormap = x11.XCreateColormap(dpy, DefaultRootWindow(dpy), &visual, AllocNone);
wa.background_pixel = black;
wa.border_pixel = black;
depth = best_depth;
win = x11.XCreateWindow(dpy, DefaultRootWindow(dpy), 0, 0,
640*x_cvstat.scaling, 400*x_cvstat.scaling*x_cvstat.vmultiplier, 2, depth, InputOutput, &visual, CWColormap | CWBorderPixel | CWBackPixel, &wa);
classhints=x11.XAllocClassHint();
if (classhints)
classhints->res_name = classhints->res_class = "CIOLIB";
wmhints=x11.XAllocWMHints();
if(wmhints) {
wmhints->initial_state=NormalState;
wmhints->flags = (StateHint/* | IconPixmapHint | IconMaskHint*/ | InputHint);
wmhints->input = True;
x11.XSetWMProperties(dpy, win, NULL, NULL, 0, 0, NULL, wmhints, classhints);
x11.XFree(wmhints);
}
im = x11.XOpenIM(dpy, NULL, "CIOLIB", "CIOLIB");
if (im != NULL) {
ic = x11.XCreateIC(im, XNClientWindow, win, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, NULL);
if (ic)
x11.XSetICFocus(ic);
}
if (classhints)
x11.XFree(classhints);
WM_DELETE_WINDOW = x11.XInternAtom(dpy, "WM_DELETE_WINDOW", False);
gcv.function = GXcopy;
gcv.foreground = black | 0xff000000;
gcv.background = white;
gcv.graphics_exposures = False;
gc=x11.XCreateGC(dpy, win, GCFunction | GCForeground | GCBackground | GCGraphicsExposures, &gcv);
x11.XSelectInput(dpy, win, KeyReleaseMask | KeyPressMask |
ExposureMask | ButtonPressMask
| ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
x11.XStoreName(dpy, win, "SyncConsole");
x11.XSetWMProtocols(dpy, win, &WM_DELETE_WINDOW, 1);
return(0);
}
/*
* Actually maps (shows) the window
*/static void map_window()
{
XSizeHints *sh;
int scaled_height;
sh = x11.XAllocSizeHints();
if (sh == NULL) {
fprintf(stderr, "Could not get XSizeHints structure");
exit(1);
}
sh->base_width = bitmap_width*x_cvstat.scaling;
sh->base_height = bitmap_height*x_cvstat.scaling*x_cvstat.vmultiplier;
sh->min_width = sh->width_inc = sh->min_aspect.x = sh->max_aspect.x = bitmap_width;
scaled_height = ceil((double)bitmap_height*x_cvstat.vmultiplier / ((double)x_cvstat.scale_numerator / x_cvstat.scale_denominator));
sh->min_height = sh->height_inc = sh->min_aspect.y = sh->max_aspect.y = scaled_height;
sh->flags = USSize | PMinSize | PSize | PResizeInc | PAspect;
x11.XSetWMNormalHints(dpy, win, sh);
x11.XMapWindow(dpy, win);
x11.XFree(sh);
return;
}
/* Resize the window. This function is called after a mode change. */
static void resize_window()
{
int scaled_height = ceil((double)bitmap_height*x_cvstat.scaling*x_cvstat.vmultiplier / ((double)x_cvstat.scale_numerator / x_cvstat.scale_denominator));
x11.XResizeWindow(dpy, win, bitmap_width*x_cvstat.scaling, scaled_height);
resize_xim();
return;
}
static void init_mode_internal(int mode)
{
int oldcols;
oldcols=x_cvstat.cols;
pthread_mutex_lock(&blinker_lock);
pthread_mutex_lock(&vstatlock);
if (last) {
release_buffer(last);
last = NULL;
}
bitmap_drv_init_mode(mode, &bitmap_width, &bitmap_height);
/* Deal with 40 col doubling */
if(oldcols != vstat.cols) {
if(oldcols == 40)
vstat.scaling /= 2;
if(vstat.cols == 40)
vstat.scaling *= 2;
}
if(vstat.scaling < 1)
vstat.scaling = 1;
if(vstat.vmultiplier < 1)
vstat.vmultiplier = 1;
x_cvstat = vstat;
pthread_mutex_unlock(&vstatlock);
pthread_mutex_unlock(&blinker_lock);
map_window();
}
static void check_scaling(void)
{
if (old_scaling != x_cvstat.scaling) {
resize_window();
old_scaling = x_cvstat.scaling;
}
}
static int init_mode(int mode)
{
init_mode_internal(mode);
resize_window();
bitmap_drv_request_pixels();
sem_post(&mode_set);
return(0);
}
static int video_init()
{
/* If we are running under X, get a connection to the X server and create
an empty window of size (1, 1). It makes a couple of init functions a
lot easier. */
if(x_cvstat.scaling<1)
x_setscaling(1);
if(x_cvstat.vmultiplier<1)
x_cvstat.vmultiplier=1;
if(init_window())
return(-1);
bitmap_drv_init(x11_drawrect, x11_flush);
/* Initialize mode 3 (text, 80x25, 16 colors) */
init_mode_internal(3);
return(0);
}
static void local_draw_rect(struct rectlist *rect)
{
int x, y, xoff = 0, yoff = 0;
unsigned int r, g, b;
unsigned long pixel;
int cleft;
int cright = -100;
int ctop;
int cbottom = -1;
int idx;
uint32_t last_pixel = 0x55555555;
struct graphics_buffer *source;
int lines;
if (bitmap_width != rect->rect.width || bitmap_height != rect->rect.height)
return;
xoff = (x11_window_width - xim->width) / 2;
if (xoff < 0)
xoff = 0;
yoff = (x11_window_height - xim->height) / 2;
if (yoff < 0)
yoff = 0;
// Scale...
source = do_scale(rect, x_cvstat.scaling, x_cvstat.scaling * x_cvstat.vmultiplier, (double)x_cvstat.scale_numerator / x_cvstat.scale_denominator);
bitmap_drv_free_rect(rect);
if (source == NULL)
return;
cleft = source->w;
ctop = source->h;
lines = 0;
xoff = (x11_window_width - source->w) / 2;
if (xoff < 0)
xoff = 0;
yoff = (x11_window_height - source->h) / 2;
if (yoff < 0)
yoff = 0;
if (last && (last->w != source->w || last->h != source->h)) {
release_buffer(last);
last = NULL;
}
/* TODO: Translate into local colour depth */
idx = 0;
for (y = 0; y < source->h; y++) {
for (x = 0; x < source->w; x++) {
if (last) {
if (last->data[idx] != source->data[idx]) {
if (x < cleft)
cleft = x;
if (x > cright)
cright = x;
if (y < ctop)
ctop = y;
if (y > cbottom)
cbottom = y;
}
else {
idx++;
continue;
}
}
if (last_pixel != source->data[idx]) {
last_pixel = source->data[idx];
r = source->data[idx] >> 16 & 0xff;
g = source->data[idx] >> 8 & 0xff;
b = source->data[idx] & 0xff;
r = (r<<8)|r;
g = (g<<8)|g;
b = (b<<8)|b;
pixel = base_pixel;
if (r_shift >= 0)
pixel |= (r << r_shift) & visual.red_mask;
else
pixel |= (r >> (0-r_shift)) & visual.red_mask;
if (g_shift >= 0)
pixel |= (g << g_shift) & visual.green_mask;
else
pixel |= (g >> (0-g_shift)) & visual.green_mask;
if (b_shift >= 0)
pixel |= (b << b_shift) & visual.blue_mask;
else
pixel |= (b >> (0-b_shift)) & visual.blue_mask;
}
#ifdef XPutPixel
XPutPixel(xim, (x + rect->rect.x), (y + rect->rect.y), pixel);
#else
x11.XPutPixel(xim, (x + rect->rect.x), (y + rect->rect.y), pixel);
#endif
idx++;
}
lines++;
/* This line was changed */
// TODO: Previously this did one update per display line...
if (last && (cbottom != y || y == source->h - 1) && cright >= 0) {
lines = 0;
x11.XPutImage(dpy, win, gc, xim, cleft, ctop
, cleft + xoff, ctop + yoff
, (cright - cleft + 1), (cbottom - ctop + 1)); cleft = source->w;
cright = cbottom = -100;
ctop = source->h;
}
}
if (last == NULL)
x11.XPutImage(dpy, win, gc, xim, rect->rect.x, rect->rect.y, rect->rect.x + xoff, rect->rect.y + yoff, source->w, source->h);
else
release_buffer(last);
last = source;
}
static void handle_resize_event(int width, int height)
{
int newFSH=1;
int newFSW=1;
double ratio = (double)x_cvstat.scale_numerator / x_cvstat.scale_denominator;
newFSH=width/bitmap_width;
newFSW=floor((double)height / bitmap_height * ratio);
if(newFSW<1)
newFSW=1;
if(newFSH<1)
newFSH=1;
if(newFSH<newFSW)
x_setscaling(newFSH);
else
x_setscaling(newFSW);
old_scaling = x_cvstat.scaling;
if(x_cvstat.scaling > 16)
x_setscaling(16);
/*
* We only need to resize if the width/height are not even multiples,
* or if the two axis don't scale the same way.
* Otherwise, we can simply resend everything
*/
if (newFSH != newFSW)
resize_window();
#if 0 // TODO: Is this even worth looking at?
else if((width % (x_cvstat.charwidth * x_cvstat.cols) != 0)
|| (height % (x_cvstat.charheight * x_cvstat.rows) != 0))
resize_window();
#endif
else
resize_xim();
bitmap_drv_request_pixels();
}
static void expose_rect(int x, int y, int width, int height)
{
int sx,sy,ex,ey;
int xoff=0, yoff=0;
xoff = (x11_window_width - xim->width) / 2;
if (xoff < 0)
xoff = 0;
yoff = (x11_window_height - xim->height) / 2;
if (yoff < 0)
yoff = 0;
if (xoff > 0 || yoff > 0) {
if (x < xoff || y < yoff || x + width > xoff + xim->width || y + height > yoff + xim->height) {
x11.XFillRectangle(dpy, win, gc, 0, 0, x11_window_width, yoff);
x11.XFillRectangle(dpy, win, gc, 0, yoff, xoff, yoff + xim->height);
x11.XFillRectangle(dpy, win, gc, xoff+xim->width, yoff, x11_window_width, yoff + xim->height);
x11.XFillRectangle(dpy, win, gc, 0, yoff + xim->height, x11_window_width, x11_window_height);
}
}
sx=(x-xoff)/x_cvstat.scaling;
sy=(y-yoff)/(x_cvstat.scaling*x_cvstat.vmultiplier);
if (sx < 0)
sx = 0;
if (sy < 0)
sy = 0;
ex=(x-xoff)+width-1;
ey=(y-yoff)+height-1;
if (ex < 0)
ex = 0;
if (ey < 0)
ey = 0;
if((ex+1)%x_cvstat.scaling) {
ex += x_cvstat.scaling-(ex%x_cvstat.scaling);
}
if((ey+1)%(x_cvstat.scaling*x_cvstat.vmultiplier)) {
ey += x_cvstat.scaling*x_cvstat.vmultiplier-(ey%(x_cvstat.scaling*x_cvstat.vmultiplier));
}
ex=ex/x_cvstat.scaling;
ey=ey/(x_cvstat.scaling*x_cvstat.vmultiplier);
/* Since we're exposing, we *have* to redraw */
if (last) {
release_buffer(last);
last = NULL;
bitmap_drv_request_some_pixels(sx, sy, ex-sx+1, ey-sy+1);
}
// Do nothing...
if (sx == ex || sy == ey)
return;
bitmap_drv_request_some_pixels(sx, sy, ex-sx+1, ey-sy+1);
}
static int x11_event(XEvent *ev)
{
if (x11.XFilterEvent(ev, win))
return 0;
switch (ev->type) {
case ClientMessage:
if (ev->xclient.format == 32 && ev->xclient.data.l[0] == WM_DELETE_WINDOW) {
uint16_t key=CIO_KEY_QUIT;
write(key_pipe[1], &key, 2);
}
break;
/* Graphics related events */
case ConfigureNotify:
if (x11_window_xpos != ev->xconfigure.x || x11_window_ypos != ev->xconfigure.y
|| x11_window_width != ev->xconfigure.width || x11_window_height != ev->xconfigure.height) {
x11_window_xpos=ev->xconfigure.x;
x11_window_ypos=ev->xconfigure.y;
x11_window_width=ev->xconfigure.width;
x11_window_height=ev->xconfigure.height;
handle_resize_event(ev->xconfigure.width, ev->xconfigure.height);
}
break;
case NoExpose:
break;
case GraphicsExpose:
expose_rect(ev->xgraphicsexpose.x, ev->xgraphicsexpose.y, ev->xgraphicsexpose.width, ev->xgraphicsexpose.height);
break;
case Expose:
expose_rect(ev->xexpose.x, ev->xexpose.y, ev->xexpose.width, ev->xexpose.height);
break;
/* Copy/Paste events */
case SelectionClear:
{
XSelectionClearEvent *req;
req=&(ev->xselectionclear);
pthread_mutex_lock(©buf_mutex);
if(req->selection==CONSOLE_CLIPBOARD)
FREE_AND_NULL(copybuf);
pthread_mutex_unlock(©buf_mutex);
}
break;
case SelectionNotify:
{
int format;
unsigned long len, bytes_left, dummy;
if(ev->xselection.selection != CONSOLE_CLIPBOARD)
break;
if(ev->xselection.requestor!=win)
break;
if(ev->xselection.property) {
x11.XGetWindowProperty(dpy, win, ev->xselection.property, 0, 0, True, AnyPropertyType, &pastebuf_format, &format, &len, &bytes_left, (unsigned char **)(&pastebuf));
if(bytes_left > 0 && format==8) {
x11.XGetWindowProperty(dpy, win, ev->xselection.property, 0, bytes_left, True, AnyPropertyType, &pastebuf_format, &format, &len, &dummy, (unsigned char **)&pastebuf);
if (x11.utf8 && pastebuf_format == x11.utf8) {
char *opb = pastebuf;
pastebuf = (char *)utf8_to_cp(CIOLIB_ISO_8859_1, (uint8_t *)pastebuf, '?', strlen(pastebuf), NULL);
if (pastebuf == NULL)
pastebuf = opb;
else
x11.XFree(opb);
}
}
else
pastebuf=NULL;
}
else
pastebuf=NULL;
/* Set paste buffer */
sem_post(&pastebuf_set);
sem_wait(&pastebuf_used);
if (x11.utf8 && pastebuf_format == x11.utf8)
free(pastebuf);
else
x11.XFree(pastebuf);
pastebuf=NULL;
}
break;
case SelectionRequest:
{
XSelectionRequestEvent *req;
XEvent respond;
Atom supported[3];
int count = 0;
req=&(ev->xselectionrequest);
pthread_mutex_lock(©buf_mutex);
if (x11.targets == 0)
x11.targets = x11.XInternAtom(dpy, "TARGETS", False);
respond.xselection.property=None;
if(copybuf!=NULL) {
if(req->target==XA_STRING) {
char *cpstr = utf8_to_cp(CIOLIB_ISO_8859_1, (uint8_t *)copybuf, '?', strlen(copybuf), NULL);
if (cpstr != NULL) {
x11.XChangeProperty(dpy, req->requestor, req->property, XA_STRING, 8, PropModeReplace, (uint8_t *)cpstr, strlen((char *)cpstr));
respond.xselection.property=req->property;
free(cpstr);
}
}
else if(req->target == x11.utf8) {
x11.XChangeProperty(dpy, req->requestor, req->property, x11.utf8, 8, PropModeReplace, (uint8_t *)copybuf, strlen((char *)copybuf));
respond.xselection.property=req->property; }
else if(req->target == x11.targets) {
if (x11.utf8 == 0)
x11.utf8 = x11.XInternAtom(dpy, "UTF8_STRING", False);
supported[count++] = x11.targets;
supported[count++] = XA_STRING;
if (x11.utf8)
supported[count++] = x11.utf8;
x11.XChangeProperty(dpy, req->requestor, req->property, XA_ATOM, 32, PropModeReplace, (unsigned char *)supported, count);
respond.xselection.property=req->property;
}
}
respond.xselection.requestor=req->requestor;
respond.xselection.selection=req->selection;
respond.xselection.time=req->time;
respond.xselection.target=req->target;
respond.xselection.type=SelectionNotify;
respond.xselection.display=req->display;
x11.XSendEvent(dpy,req->requestor,0,0,&respond);
x11.XFlush(dpy);
pthread_mutex_unlock(©buf_mutex);
}
break;
/* Mouse Events */
case MotionNotify:
{
XMotionEvent *me = (XMotionEvent *)ev;
int x_res = me->x;
int y_res = me->y;
x_res /= x_cvstat.scaling;
y_res /= x_cvstat.scaling;
y_res /= x_cvstat.vmultiplier;
me->x /= x_cvstat.scaling;
me->x /= x_cvstat.charwidth;
me->y /= x_cvstat.scaling;
me->y /= x_cvstat.vmultiplier;
me->y /= x_cvstat.charheight;
me->x++;
me->y++;
if(me->x<1)
me->x=1;
if(me->y<1)
me->y=1;
if(me->x>x_cvstat.cols)
me->x=x_cvstat.cols;
if(me->y>x_cvstat.rows+1)
me->y=x_cvstat.rows+1;
ciomouse_gotevent(CIOLIB_MOUSE_MOVE,me->x,me->y, x_res, y_res);
}
break;
case ButtonRelease:
{
XButtonEvent *be = (XButtonEvent *)ev;
int x_res = be->x;
int y_res = be->y;
x_res /= x_cvstat.scaling;
y_res /= x_cvstat.scaling;
y_res /= x_cvstat.vmultiplier;
be->x/=x_cvstat.scaling;
be->x/=x_cvstat.charwidth;
be->y/=x_cvstat.scaling;
be->y/=x_cvstat.vmultiplier;
be->y/=x_cvstat.charheight;
be->x++;
be->y++;
if(be->x<1) be->x=1;
if(be->y<1)
be->y=1;
if(be->x>x_cvstat.cols)
be->x=x_cvstat.cols;
if(be->y>x_cvstat.rows+1)
be->y=x_cvstat.rows+1;
if (be->button <= 3) {
ciomouse_gotevent(CIOLIB_BUTTON_RELEASE(be->button),be->x,be->y, x_res, y_res);
}
}
break;
case ButtonPress:
{
XButtonEvent *be = (XButtonEvent *)ev;
int x_res = be->x;
int y_res = be->y;
x_res /= x_cvstat.scaling;
y_res /= x_cvstat.scaling;
y_res /= x_cvstat.vmultiplier;
be->x/=x_cvstat.scaling;
be->x/=x_cvstat.charwidth;
be->y/=x_cvstat.scaling;
be->y/=x_cvstat.vmultiplier;
be->y/=x_cvstat.charheight;
be->x++;
be->y++;
if(be->x<1)
be->x=1;
if(be->y<1)
be->y=1;
if(be->x>x_cvstat.cols)
be->x=x_cvstat.cols;
if(be->y>x_cvstat.rows+1)
be->y=x_cvstat.rows+1;
if (be->button <= 5) {
ciomouse_gotevent(CIOLIB_BUTTON_PRESS(be->button),be->x,be->y, x_res, y_res);
}
}
break;
/* Keyboard Events */
case KeyPress:
{
static char buf[128];
static wchar_t wbuf[128];
KeySym ks;
int nlock = 0;
WORD scan = 0xffff;
Status lus = 0;
int cnt;
int i;
uint8_t ch;
if (ic)
cnt = x11.XwcLookupString(ic, (XKeyPressedEvent *)ev, wbuf, sizeof(wbuf)/sizeof(wbuf[0]), &ks, &lus);
else {
cnt = x11.XLookupString((XKeyEvent *)ev, buf, sizeof(buf), &ks, NULL);
lus = XLookupKeySym;
}
switch(lus) {
case XLookupNone:
ks = 0xffff;
break;
case XLookupBoth:
case XLookupChars:
if (lus == XLookupChars || ((ev->xkey.state & (Mod1Mask | ControlMask)) == 0)) {
for (i = 0; i < cnt; i++) { ch = cpchar_from_unicode_cpoint(getcodepage(), wbuf[i], 0);
if (ch) {
write(key_pipe[1], &ch, 1);
}
}
break;
}
// Fallthrough
case XLookupKeySym:
switch (ks) {
case XK_Escape:
scan = 1;
goto docode;
case XK_Tab:
case XK_ISO_Left_Tab:
scan = 15;
goto docode;
case XK_Return:
case XK_KP_Enter:
scan = 28;
goto docode;
case XK_Print:
scan = 55;
goto docode;
case XK_F1:
case XK_F2:
case XK_F3:
case XK_F4:
case XK_F5:
case XK_F6:
case XK_F7:
case XK_F8:
case XK_F9:
case XK_F10:
scan = ks - XK_F1 + 59;
goto docode;
case XK_KP_7:
nlock = 1;
case XK_Home:
case XK_KP_Home:
scan = 71;
goto docode;
case XK_KP_8:
nlock = 1;
case XK_Up:
case XK_KP_Up:
scan = 72;
goto docode;
case XK_KP_9:
nlock = 1;
case XK_Prior:
case XK_KP_Prior:
scan = 73;
goto docode;
case XK_KP_Subtract:
scan = 74;
goto docode;
case XK_KP_4:
nlock = 1;
case XK_Left:
case XK_KP_Left: scan = 75;
goto docode;
case XK_KP_5:
nlock = 1;
case XK_Begin:
case XK_KP_Begin:
scan = 76;
goto docode;
case XK_KP_6:
nlock = 1;
case XK_Right:
case XK_KP_Right:
scan = 77;
goto docode;
case XK_KP_Add:
scan = 78;
goto docode;
case XK_KP_1:
nlock = 1;
case XK_End:
case XK_KP_End:
scan = 79;
goto docode;
case XK_KP_2:
nlock = 1;
case XK_Down:
case XK_KP_Down:
scan = 80;
goto docode;
case XK_KP_3:
nlock = 1;
case XK_Next:
case XK_KP_Next:
scan = 81;
goto docode;
case XK_KP_0:
nlock = 1;
case XK_Insert:
case XK_KP_Insert:
scan = 82;
goto docode;
case XK_KP_Decimal:
nlock = 1;
scan = 83;
goto docode;
case XK_Delete:
case XK_KP_Delete:
/* scan = flipdelete ? 14 : 83; */
scan = 83;
goto docode;
case XK_BackSpace:
/* scan = flipdelete ? 83 : 14; */
scan = 14;
goto docode;
case XK_F11:
scan = 87;
goto docode;
case XK_F12:
scan = 88; goto docode;
case XK_KP_Divide:
scan = Ascii2Scan['/'];
goto docode;
case XK_KP_Multiply:
scan = Ascii2Scan['*'];
goto docode;
default:
if (ks < ' ' || ks > '~')
break;
scan = Ascii2Scan[ks];
docode:
if (nlock)
scan |= 0x100;
if ((scan & ~0x100) > 88) {
scan = 0xffff;
break;
}
if (ev->xkey.state & Mod1Mask) {
scan = ScanCodes[scan & 0xff].alt;
} else if ((ev->xkey.state & ShiftMask) || (scan & 0x100)) {
scan = ScanCodes[scan & 0xff].shift;
} else if (ev->xkey.state & ControlMask) {
scan = ScanCodes[scan & 0xff].ctrl;
} else
scan = ScanCodes[scan & 0xff].base;
break;
}
if (scan != 0xffff) {
uint16_t key=scan;
write(key_pipe[1], &key, (scan&0xff)?1:2);
}
break;
}
return(1);
}
default:
break;
}
return(0);
}
static void x11_terminate_event_thread(void)
{
terminate = 1;
sem_wait(&event_thread_complete);
}
static void readev(struct x11_local_event *lev)
{
fd_set rfd;
int ret;
int rcvd = 0;
char *buf = (char *)lev;
FD_ZERO(&rfd);
FD_SET(local_pipe[0], &rfd);
while (rcvd < sizeof(*lev)) {
select(local_pipe[0]+1, &rfd, NULL, NULL, NULL);
ret = read(local_pipe[0], buf+rcvd, sizeof(*lev) - rcvd);
if (ret > 0)
rcvd += ret; }
}
void x11_event_thread(void *args)
{
int x;
int high_fd;
fd_set fdset;
XEvent ev;
static struct timeval tv;
SetThreadName("X11 Events");
if(video_init()) {
sem_post(&init_complete);
return;
}
sem_init(&event_thread_complete, 0, 0);
atexit(x11_terminate_event_thread);
if(local_pipe[0] > xfd)
high_fd=local_pipe[0];
else
high_fd=xfd;
x11.XSync(dpy, False);
x11_initialized=1;
sem_post(&init_complete);
for (;!terminate;) {
check_scaling();
tv.tv_sec=0;
tv.tv_usec=54925; /* was 54925 (was also 10) */
/*
* Handle any events just sitting around...
*/
while (QLength(dpy) > 0) {
x11.XNextEvent(dpy, &ev);
x11_event(&ev);
}
FD_ZERO(&fdset);
FD_SET(xfd, &fdset);
FD_SET(local_pipe[0], &fdset);
x = select(high_fd+1, &fdset, 0, 0, &tv);
switch (x) {
case -1:
/*
* Errno might be wrong, so we just select again.
* This could cause a problem is something really
* was wrong with select....
*/
/* perror("select"); */
break;
case 0:
/* Timeout */
break;
default:
if (FD_ISSET(xfd, &fdset)) {
// This blocks for the event...
x11.XNextEvent(dpy, &ev);
x11_event(&ev);
// And this reads anything else from the queue.
while (QLength(dpy) > 0) {
x11.XNextEvent(dpy, &ev);
x11_event(&ev);
} }
if(FD_ISSET(local_pipe[0], &fdset)) {
struct x11_local_event lev;
readev(&lev);
switch(lev.type) {
case X11_LOCAL_SETMODE:
init_mode(lev.data.mode);
break;
case X11_LOCAL_SETNAME:
x11.XSetIconName(dpy, win, lev.data.name);
x11.XFlush(dpy);
break;
case X11_LOCAL_SETTITLE:
x11.XStoreName(dpy, win, lev.data.title);
x11.XFlush(dpy);
break;
case X11_LOCAL_COPY:
x11.XSetSelectionOwner(dpy, CONSOLE_CLIPBOARD, win, CurrentTime);
break;
case X11_LOCAL_PASTE:
{
Window sowner=None;
sowner=x11.XGetSelectionOwner(dpy, CONSOLE_CLIPBOARD);
if(sowner==win) {
/* Get your own primary selection */
if(copybuf==NULL)
pastebuf=NULL;
else {
pastebuf=strdup(copybuf);
pastebuf_format = copybuf_format;
}
/* Set paste buffer */
sem_post(&pastebuf_set);
sem_wait(&pastebuf_used);
FREE_AND_NULL(pastebuf);
}
else if(sowner!=None) {
x11.XConvertSelection(dpy, CONSOLE_CLIPBOARD, x11.utf8 ? x11.utf8 : XA_STRING, x11.utf8 ? x11.utf8 : XA_STRING, win, CurrentTime);
}
else {
/* Set paste buffer */
pastebuf=NULL;
sem_post(&pastebuf_set);
sem_wait(&pastebuf_used);
}
}
break;
case X11_LOCAL_DRAWRECT:
local_draw_rect(lev.data.rect);
break;
case X11_LOCAL_FLUSH:
x11.XFlush(dpy);
break;
case X11_LOCAL_BEEP:
x11.XBell(dpy, 100);
break;
case X11_LOCAL_SETICON: {
Atom wmicon = x11.XInternAtom(dpy, "_NET_WM_ICON", False);
if (wmicon) {
x11.XChangeProperty(dpy, win, wmicon, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)lev.data.icon_data, lev.data.icon_data[0] * lev.data.icon_data[1] + 2);
x11.XFlush(dpy);
}
free(lev.data.icon_data);
break;
}
case X11_LOCAL_MOUSEPOINTER: {
unsigned shape = UINT_MAX;
Cursor oc = curs; switch (lev.data.ptr) {
case CIOLIB_MOUSEPTR_ARROW:
// Use default
break;
case CIOLIB_MOUSEPTR_BAR:
shape = XC_xterm;
break;
}
if (shape == UINT_MAX)
x11.XDefineCursor(dpy, win, None);
else {
curs = x11.XCreateFontCursor(dpy, shape);
x11.XDefineCursor(dpy, win, curs);
}
if (oc != None && oc != curs)
x11.XFreeCursor(dpy, oc);
break;
}
}
}
}
}
x11.XCloseDisplay(dpy);
sem_post(&event_thread_complete);
}