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authorJoursoir <chat@joursoir.net>2021-03-01 18:44:44 +0000
committerJoursoir <chat@joursoir.net>2021-03-01 18:44:44 +0000
commit10b676a2fee216cc00d2ca090a93a23d8b47241f (patch)
tree4848ce6ad66fdb16405c2a7b7eb704bcbcb6ecdf /src
parent5833a6c3cf690154c86f308943d29e7a16eb7a00 (diff)
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add routines for Xlib
Diffstat (limited to 'src')
-rw-r--r--src/r-x11.c105
-rw-r--r--src/r-x11.h24
2 files changed, 129 insertions, 0 deletions
diff --git a/src/r-x11.c b/src/r-x11.c
new file mode 100644
index 0000000..0e68225
--- /dev/null
+++ b/src/r-x11.c
@@ -0,0 +1,105 @@
+/***
+ This file is part of LockPassword
+ Copyright (C) 2020-2021 Aleksandr D. Goncharov (Joursoir) <chat@joursoir.net>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+***/
+
+#if defined(DISPLAY)
+
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+
+#include "constants.h"
+
+static Atom X_utf8;
+
+static void send_data(Display *dpy, XSelectionRequestEvent *sev,
+ const char *data)
+{
+ XSelectionEvent ssev;
+ Atom target = sev->target;
+ char *an;
+
+ an = XGetAtomName(dpy, target);
+ if(an) {
+ dbgprint("Request of type '%s'\n", an);
+ XFree(an);
+ }
+
+ /* All of these should match the values of the request. */
+ ssev.type = SelectionNotify;
+ ssev.requestor = sev->requestor;
+ ssev.selection = sev->selection;
+ ssev.target = target;
+ ssev.property = None; // means refusal
+ ssev.time = sev->time;
+
+ if(target == X_utf8) {
+ an = XGetAtomName(dpy, sev->property);
+ if(an) {
+ dbgprint("Sending data, property '%s'\n", sev->requestor, an);
+ XFree(an);
+ }
+
+ ssev.property = sev->property;
+ XChangeProperty(dpy, sev->requestor, sev->property, X_utf8, 8,
+ PropModeReplace, (unsigned char *)data, strlen(data));
+ }
+ else {
+ dbgprint("No valid target. Refuse request.\n");
+ }
+
+ XSendEvent(dpy, sev->requestor, True, NoEventMask, (XEvent *)&ssev);
+}
+
+int run_clipboard(char *data)
+{
+ Display *dpy;
+ Window owner, root;
+ int screen;
+ Atom sel;
+ XEvent ev;
+ XSelectionRequestEvent *sev;
+
+ dpy = XOpenDisplay(NULL); // means use env $DISPLAY
+ if(!dpy)
+ errprint(1, "Open X display failed\n");
+
+ screen = DefaultScreen(dpy);
+ root = RootWindow(dpy, screen);
+ owner = XCreateSimpleWindow(dpy, root, -10, -10, 1, 1, 0, 0, 0);
+
+ sel = XInternAtom(dpy, "CLIPBOARD", False);
+ X_utf8 = XInternAtom(dpy, "UTF8_STRING", False);
+
+ XSetSelectionOwner(dpy, sel, owner, CurrentTime);
+ for(;;)
+ {
+ XNextEvent(dpy, &ev);
+ switch(ev.type) {
+ case SelectionClear:
+ dbgprint("Lost 'CLIPBOARD' ownership\n");
+ return 2;
+ case SelectionRequest:
+ sev = (XSelectionRequestEvent *)&ev.xselectionrequest;
+ dbgprint("SelectionRequest by 0x%lx\n", sev->requestor);
+
+ send_data(dpy, sev, data);
+ }
+ }
+}
+
+#endif /* defined(DISPLAY) */
diff --git a/src/r-x11.h b/src/r-x11.h
new file mode 100644
index 0000000..b331bb4
--- /dev/null
+++ b/src/r-x11.h
@@ -0,0 +1,24 @@
+#ifndef LPASS_RX11_H
+#define LPASS_RX11_H
+
+/***
+ This file is part of LockPassword
+ Copyright (C) 2020-2021 Aleksandr D. Goncharov (Joursoir) <chat@joursoir.net>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+***/
+
+int run_clipboard(char *data);
+
+#endif /* LPASS_RX11_H */