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implement MwLLGetClipboard for X11
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Nishi 2026-03-27 14:40:07 +09:00
commit f1c4a12cf3
Signed by: nishi
GPG key ID: 27EF69B208EB9343
12 changed files with 144 additions and 35 deletions
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94
src/backend/x11.c
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@ -2,6 +2,8 @@
#include "../../external/stb_ds.h"
#define ClipboardTimeout 100
typedef struct mwm_hints {
unsigned long flags;
unsigned long functions;
@ -215,6 +217,14 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
r->x11.wm_protocols = XInternAtom(r->x11.display, "WM_PROTOCOLS", False);
XSetWMProtocols(r->x11.display, r->x11.window, &r->x11.wm_delete, 1);
r->x11.utf8_string = XInternAtom(r->x11.display, "UTF8_STRING", False);
r->x11.compound_text = XInternAtom(r->x11.display, "COMPOUND_TEXT", False);
r->x11.text = XInternAtom(r->x11.display, "TEXT", False);
r->x11.clipboard = XInternAtom(r->x11.display, "CLIPBOARD", False);
r->x11.selection = XInternAtom(r->x11.display, "_MILSKO_SELECTION_", False);
r->x11.clipboard_pending = 0;
r->x11.gc = XCreateGC(r->x11.display, r->x11.window, 0, NULL);
create_pixmap(r);
@ -414,7 +424,11 @@ static void MwLLFreeColorImpl(MwLLColor color) {
static int MwLLPendingImpl(MwLL handle) {
XEvent ev;
if(XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, ClientMessage, &ev) || XCheckWindowEvent(handle->x11.display, handle->x11.window, mask, &ev)) {
if(handle->x11.clipboard_pending && (MwTimeGetTick() - handle->x11.clipboard_time) >= ClipboardTimeout) {
return 1;
}
if(XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, ClientMessage, &ev) || XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, SelectionNotify, &ev) || XCheckWindowEvent(handle->x11.display, handle->x11.window, mask, &ev)) {
XPutBackEvent(handle->x11.display, &ev);
return 1;
}
@ -424,7 +438,33 @@ static int MwLLPendingImpl(MwLL handle) {
static void MwLLNextEventImpl(MwLL handle) {
XEvent ev;
while(XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, ClientMessage, &ev) || XCheckWindowEvent(handle->x11.display, handle->x11.window, mask, &ev)) {
if(handle->x11.clipboard_pending && (MwTimeGetTick() - handle->x11.clipboard_time) >= ClipboardTimeout) {
Atom a = handle->x11.selection;
handle->x11.clipboard_pending++;
handle->x11.clipboard_time = MwTimeGetTick();
switch(handle->x11.clipboard_pending) {
case 2:
a = handle->x11.compound_text;
break;
case 3:
a = handle->x11.text;
break;
case 4:
a = XA_STRING;
break;
case 5:
handle->x11.clipboard_pending = 0;
break;
}
if(a != handle->x11.selection) {
XConvertSelection(handle->x11.display, handle->x11.clipboard, a, handle->x11.selection, handle->x11.window, CurrentTime);
}
}
while(XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, ClientMessage, &ev) || XCheckTypedWindowEvent(handle->x11.display, handle->x11.window, SelectionNotify, &ev) || XCheckWindowEvent(handle->x11.display, handle->x11.window, mask, &ev)) {
int render = 0;
if(ev.type == Expose) {
handle->x11.force_render = 0;
@ -563,6 +603,49 @@ static void MwLLNextEventImpl(MwLL handle) {
MwLLDispatch(handle, key_released, &n);
}
}
} else if(ev.type == SelectionNotify) {
handle->x11.clipboard_pending = 0;
if(ev.xselection.property != None) {
Atom type;
int format;
unsigned long nitems, after, size;
unsigned char* pdat;
int ret = XGetWindowProperty(handle->x11.display, handle->x11.window, handle->x11.selection, 0, 0, False, AnyPropertyType, &type, &format, &nitems, &after, &pdat);
if(pdat != NULL) XFree(pdat);
size = after;
if(ret == Success && type != None && format == 8) {
char* buf = malloc(size + 1);
int offset;
for(offset = 0; after > 0; offset += nitems) {
ret = XGetWindowProperty(handle->x11.display, handle->x11.window, handle->x11.selection, offset / 4, after / 4 + 1, False, AnyPropertyType, &type, &format, &nitems, &after, &pdat);
if(ret != Success) {
free(buf);
buf = NULL;
break;
}
memcpy(buf + offset, pdat, nitems);
XFree(pdat);
}
if(buf != NULL) {
buf[size] = 0;
MwLLDispatch(handle, clipboard, buf);
free(buf);
}
}
XDeleteProperty(handle->x11.display, handle->x11.window, handle->x11.selection);
}
}
if(render) {
int x, y;
@ -961,9 +1044,12 @@ static void MwLLSetClipboardImpl(MwLL handle, const char* text) {
}
static void MwLLGetClipboardImpl(MwLL handle) {
/* TODO */
if(handle->x11.clipboard_pending) return;
(void)handle;
XConvertSelection(handle->x11.display, handle->x11.clipboard, handle->x11.utf8_string, handle->x11.selection, handle->x11.window, CurrentTime);
handle->x11.clipboard_pending = 1;
handle->x11.clipboard_time = MwTimeGetTick();
}
static void MwLLMakeToolWindowImpl(MwLL handle) {