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hippoz 2020-11-02 02:02:09 +02:00
parent fd01561ddc
commit 5e10dc08a3
1 changed files with 48 additions and 31 deletions
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79
wm.c
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@ -2,22 +2,61 @@
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h>
#define MODMASK Mod1Mask
#define MAX(a, b) ((a) > (b) ? (a) : (b))
int main() {
Display* dpy;
XWindowAttributes attr;
static Display* dpy;
static XWindowAttributes attr;
static XButtonEvent start;
// Used to store the state of the cursor when resizing
XButtonEvent start;
void handle_event_keypress(XEvent *e) {
if (e->xkey.subwindow != None) {
KeySym keysym = XkbKeycodeToKeysym(dpy, e->xkey.keycode, 0, 0);
if (keysym == XK_q) {
XKillClient(dpy, e->xkey.subwindow);
} else if (keysym == XK_1) {
XRaiseWindow(dpy, e->xkey.subwindow);
}
}
}
void handle_event_buttonpress(XEvent *e) {
if (e->xkey.subwindow != None) {
XGetWindowAttributes(dpy, e->xbutton.subwindow, &attr);
start = e->xbutton;
}
}
void handle_event_motionnotify(XEvent *e) {
if (start.subwindow != None) {
int xdiff = e->xbutton.x_root - start.x_root;
int ydiff = e->xbutton.y_root - start.y_root;
XMoveResizeWindow(dpy, start.subwindow,
attr.x + (start.button==1 ? xdiff : 0),
attr.y + (start.button==1 ? ydiff : 0),
MAX(1, attr.width + (start.button==3 ? xdiff : 0)),
MAX(1, attr.height + (start.button==3 ? ydiff : 0)));
}
}
void handle_event_buttonrelease(XEvent *e) {
start.subwindow = None;
}
static void (*event_handlers[LASTEvent])(XEvent *e) = {
[KeyPress] = handle_event_keypress,
[ButtonPress] = handle_event_buttonpress,
[ButtonRelease] = handle_event_buttonrelease,
[MotionNotify] = handle_event_motionnotify
};
int main() {
if(!(dpy = XOpenDisplay(0x0))) return 1;
XEvent ev;
if(!(dpy = XOpenDisplay(0x0))) return 1;
XGrabKey(dpy, XKeysymToKeycode(dpy, XStringToKeysym("F1")), MODMASK, DefaultRootWindow(dpy), True, GrabModeAsync, GrabModeAsync);
XGrabKey(dpy, XKeysymToKeycode(dpy, XStringToKeysym("Q")), MODMASK, DefaultRootWindow(dpy), True, GrabModeAsync, GrabModeAsync);
XGrabButton(dpy, 1, MODMASK, DefaultRootWindow(dpy), True, ButtonPressMask|ButtonReleaseMask|PointerMotionMask, GrabModeAsync, GrabModeAsync, None, None);
@ -27,29 +66,7 @@ int main() {
for (;;) {
XNextEvent(dpy, &ev);
if (ev.type == KeyPress && ev.xkey.subwindow != None) {
KeySym keysym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0);
if (keysym == XK_q) {
XKillClient(dpy, ev.xkey.subwindow);
} else {
XRaiseWindow(dpy, ev.xkey.subwindow);
}
} else if (ev.type == ButtonPress && ev.xbutton.subwindow != None) {
XGetWindowAttributes(dpy, ev.xbutton.subwindow, &attr);
start = ev.xbutton;
} else if (ev.type == MotionNotify && start.subwindow != None) {
int xdiff = ev.xbutton.x_root - start.x_root;
int ydiff = ev.xbutton.y_root - start.y_root;
XMoveResizeWindow(dpy, start.subwindow,
attr.x + (start.button==1 ? xdiff : 0),
attr.y + (start.button==1 ? ydiff : 0),
MAX(1, attr.width + (start.button==3 ? xdiff : 0)),
MAX(1, attr.height + (start.button==3 ? ydiff : 0)));
} else if (ev.type == ButtonRelease) {
start.subwindow = None;
}
if (event_handlers[ev.type]) event_handlers[ev.type](&ev);
}
return 0;
}