neko/internal/desktop/xorg/xorg.c
Miroslav Šedivý 5d906e0a8b major refactor.
2020-11-01 16:09:48 +01:00

178 lines
4.2 KiB
C

#include "xorg.h"
static Display *DISPLAY = NULL;
static char *NAME = ":0.0";
static int REGISTERED = 0;
static int DIRTY = 0;
Display *getXDisplay(void) {
/* Close the display if displayName has changed */
if (DIRTY) {
XDisplayClose();
DIRTY = 0;
}
if (DISPLAY == NULL) {
/* First try the user set displayName */
DISPLAY = XOpenDisplay(NAME);
/* Then try using environment variable DISPLAY */
if (DISPLAY == NULL) {
DISPLAY = XOpenDisplay(NULL);
}
if (DISPLAY == NULL) {
fputs("Could not open main display\n", stderr);
} else if (!REGISTERED) {
atexit(&XDisplayClose);
REGISTERED = 1;
}
}
return DISPLAY;
}
void XDisplayClose(void) {
if (DISPLAY != NULL) {
XCloseDisplay(DISPLAY);
DISPLAY = NULL;
}
}
void XDisplaySet(char *input) {
NAME = strdup(input);
DIRTY = 1;
}
void XMove(int x, int y) {
Display *display = getXDisplay();
XWarpPointer(display, None, DefaultRootWindow(display), 0, 0, 0, 0, x, y);
XSync(display, 0);
}
void XScroll(int x, int y) {
int ydir = 4; /* Button 4 is up, 5 is down. */
int xdir = 6;
Display *display = getXDisplay();
if (y < 0) {
ydir = 5;
}
if (x < 0) {
xdir = 7;
}
int xi;
int yi;
for (xi = 0; xi < abs(x); xi++) {
XTestFakeButtonEvent(display, xdir, 1, CurrentTime);
XTestFakeButtonEvent(display, xdir, 0, CurrentTime);
}
for (yi = 0; yi < abs(y); yi++) {
XTestFakeButtonEvent(display, ydir, 1, CurrentTime);
XTestFakeButtonEvent(display, ydir, 0, CurrentTime);
}
XSync(display, 0);
}
void XButton(unsigned int button, int down) {
if (button != 0) {
Display *display = getXDisplay();
XTestFakeButtonEvent(display, button, down, CurrentTime);
XSync(display, 0);
}
}
void XKey(unsigned long key, int down) {
if (key != 0) {
Display *display = getXDisplay();
KeyCode code = XKeysymToKeycode(display, key);
// Map non-existing keysyms to new keycodes
if (code == 0) {
int min, max, numcodes;
XDisplayKeycodes(display, &min, &max);
XGetKeyboardMapping(display, min, max-min, &numcodes);
code = (max-min+1)*numcodes;
KeySym keysym_list[numcodes];
for(int i=0;i<numcodes;i++) keysym_list[i] = key;
XChangeKeyboardMapping(display, code, numcodes, keysym_list, 1);
}
XTestFakeKeyEvent(display, code, down, CurrentTime);
XSync(display, 0);
}
}
void XGetScreenConfigurations() {
Display *display = getXDisplay();
Window root = RootWindow(display, 0);
XRRScreenSize *xrrs;
int num_sizes;
xrrs = XRRSizes(display, 0, &num_sizes);
for (int i = 0; i < num_sizes; i++) {
short *rates;
int num_rates;
goCreateScreenSize(i, xrrs[i].width, xrrs[i].height, xrrs[i].mwidth, xrrs[i].mheight);
rates = XRRRates(display, 0, i, &num_rates);
for (int j = 0; j < num_rates; j++) {
goSetScreenRates(i, j, rates[j]);
}
}
}
void XSetScreenConfiguration(int index, short rate) {
Display *display = getXDisplay();
Window root = RootWindow(display, 0);
XRRSetScreenConfigAndRate(display, XRRGetScreenInfo(display, root), root, index, RR_Rotate_0, rate, CurrentTime);
}
int XGetScreenSize() {
Display *display = getXDisplay();
XRRScreenConfiguration *conf = XRRGetScreenInfo(display, RootWindow(display, 0));
Rotation original_rotation;
return XRRConfigCurrentConfiguration(conf, &original_rotation);
}
short XGetScreenRate() {
Display *display = getXDisplay();
XRRScreenConfiguration *conf = XRRGetScreenInfo(display, RootWindow(display, 0));
return XRRConfigCurrentRate(conf);
}
void SetKeyboardLayout(char *layout) {
// TOOD: refactor, use native API.
char cmd[13] = "setxkbmap ";
strncat(cmd, layout, 2);
system(cmd);
}
void SetKeyboardModifiers(int num_lock, int caps_lock, int scroll_lock) {
Display *display = getXDisplay();
if (num_lock != -1) {
XkbLockModifiers(display, XkbUseCoreKbd, 16, num_lock * 16);
}
if (caps_lock != -1) {
XkbLockModifiers(display, XkbUseCoreKbd, 2, caps_lock * 2);
}
if (scroll_lock != -1) {
XKeyboardControl values;
values.led_mode = scroll_lock ? LedModeOn : LedModeOff;
values.led = 3;
XChangeKeyboardControl(display, KBLedMode, &values);
}
XFlush(display);
}