From 12fdfe0864280dff994dcf0019925c4b1db72adf Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Fri, 7 Nov 2025 01:01:34 +0000
Subject: [PATCH] add clipboard feature to entry

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@611 b9cfdab3-6d41-4d17-bbe4-086880011989
---
 src/backend/x11.c  | 40 +++++++++++++++++++++++++++++++++++++---
 src/widget/entry.c | 14 ++++++++++++++
 2 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/src/backend/x11.c b/src/backend/x11.c
index 978fb82..1989188 100644
--- a/src/backend/x11.c
+++ b/src/backend/x11.c
@@ -785,8 +785,42 @@ void MwLLSetClipboard(MwLL handle, const char* text) {
 }
 
 char* MwLLGetClipboard(MwLL handle) {
-	/* TODO */
+	Atom clip, target, prop;
+	XEvent ev;
+	XEvent* queue = NULL;
+	char* r = NULL;
 
-	(void)handle;
-	return NULL;
+	clip = XInternAtom(handle->display, "CLIPBOARD", 0);
+	target = XA_STRING;
+	prop = XInternAtom(handle->display, "XSEL_DATA", 0);
+
+	XConvertSelection(handle->display, clip, target, prop, handle->window, CurrentTime);
+
+	while(1){
+		XNextEvent(handle->display, &ev);
+		if(ev.type == SelectionNotify){
+			if(ev.xselection.selection == clip && ev.xselection.property != 0){
+				Atom t;
+				unsigned long size, N;
+				char* data;
+				int format;
+
+				XGetWindowProperty(ev.xselection.display, ev.xselection.requestor, ev.xselection.property, 0L, (~0L), 0, AnyPropertyType, &t, &format, &size, &N, (unsigned char**)&data);
+				if(t == target){
+					r = MwStringDupliacte(data);
+					XFree(data);
+				}
+				XDeleteProperty(ev.xselection.display, ev.xselection.requestor, ev.xselection.property);
+			}
+			break;
+		}
+	}
+
+	while(arrlen(queue) > 0){
+		XPutBackEvent(handle->display, &queue[0]);
+		arrdel(queue, 0);
+	}
+	arrfree(queue);
+
+	return r;
 }
diff --git a/src/widget/entry.c b/src/widget/entry.c
index 3a9c327..f092f04 100644
--- a/src/widget/entry.c
+++ b/src/widget/entry.c
@@ -107,6 +107,20 @@ static void key(MwWidget handle, int code) {
 	} else if(code == MwLLKeyEnter) {
 		MwDispatchUserHandler(handle, MwNactivateHandler, NULL);
 	} else if(code == (MwLLControlMask | 'v')){
+		char* c = MwLLGetClipboard(handle->lowlevel);
+		if(c != NULL){
+			char* out = malloc(strlen(str) + strlen(c) + 1);
+
+			MwUTF8Copy(str, 0, out, 0, t->cursor);
+			MwUTF8Copy(c, 0, out, t->cursor, MwUTF8Length(c));
+			MwUTF8Copy(str, t->cursor, out, t->cursor + MwUTF8Length(c), MwUTF8Length(str) - t->cursor);
+
+			t->cursor += MwUTF8Length(c);
+
+			MwSetText(handle, MwNtext, out);
+			free(out);
+			free(c);
+		}
 	} else if(!(code & MwLLKeyMask)) {
 		int incr = 0;
 		out	 = malloc(strlen(str) + 5 + 1);