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xdnd

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IoIxD 2026-09-14 16:11:01 -07:00
commit 4ab7b15747
2 changed files with 169 additions and 24 deletions
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44
include/Mw/LowLevel/X11.h
View file

@ -27,20 +27,36 @@ struct _MwLLX11 {
unsigned int width;
unsigned int height;
Display* display;
Window window;
Pixmap pixmap;
GC gc;
Colormap colormap;
Atom wm_delete;
Atom wm_protocols;
Atom utf8_string;
Atom compound_text;
Atom text;
Atom clipboard;
Atom selection;
XIM xim;
XIC xic;
Display* display;
Window window;
Pixmap pixmap;
GC gc;
Colormap colormap;
Atom wm_delete;
Atom wm_protocols;
Atom utf8_string;
Atom compound_text;
Atom text;
Atom clipboard;
Atom selection;
Atom xdnd_type_list;
Atom xdnd_selection;
Atom xdnd_enter;
Atom xdnd_position;
Atom xdnd_status;
Atom xdnd_leave;
Atom xdnd_drop;
Atom xdnd_finished;
Atom xdnd_action_copy;
Atom xdnd_text_uri_list;
Atom xdnd_text_plain;
Atom xdnd_aware;
int xdnd_source;
unsigned char xdnd_version;
int format;
XIM xim;
XIC xic;
long clipboard_time;
int clipboard_pending; /* 1 if UTF8_STRING, 2 if COMPOUND_TEXT, 3 if TEXT, 4 if STRING, otherwise 0 */

149
src/backend/x11.c
View file

@ -82,6 +82,8 @@ static struct symtbl {
void (*XSetICFocus)(XIC);
XImage* (*XGetImage)(Display*, Drawable, int, int, unsigned int, unsigned int, unsigned long, int);
int (*XRaiseWindow)(Display*, Window);
int (*XFlush)(Display*);
char* (*XGetAtomName)(Display*, Atom);
XSizeHints* (*XAllocSizeHints)(void);
XVisualInfo* (*XGetVisualInfo)(Display*, long, XVisualInfo*, int*);
@ -186,6 +188,8 @@ static struct symtbl {
#define XChangeWindowAttributes xsymtbl.XChangeWindowAttributes
#define XGetImage xsymtbl.XGetImage
#define XRaiseWindow xsymtbl.XRaiseWindow
#define XFlush xsymtbl.XFlush
#define XGetAtomName xsymtbl.XGetAtomName
#if USE_XRENDER
#define XRenderFindStandardFormat xsymtbl.XRenderFindStandardFormat
@ -425,6 +429,7 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
r->x11.colormap = DefaultColormap(r->x11.display, XDefaultScreen(r->x11.display));
r->x11.wm_delete = XInternAtom(r->x11.display, "WM_DELETE_WINDOW", False);
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);
@ -433,6 +438,22 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
r->x11.clipboard = XInternAtom(r->x11.display, "CLIPBOARD", False);
r->x11.selection = XInternAtom(r->x11.display, "_MILSKO_SELECTION_", False);
r->x11.xdnd_type_list = XInternAtom(r->x11.display, "XdndTypeList", False);
r->x11.xdnd_selection = XInternAtom(r->x11.display, "XdndSelection", False);
r->x11.xdnd_enter = XInternAtom(r->x11.display, "XdndEnter", False);
r->x11.xdnd_position = XInternAtom(r->x11.display, "XdndPosition", False);
r->x11.xdnd_status = XInternAtom(r->x11.display, "XdndStatus", False);
r->x11.xdnd_leave = XInternAtom(r->x11.display, "XdndLeave", False);
r->x11.xdnd_drop = XInternAtom(r->x11.display, "XdndDrop", False);
r->x11.xdnd_finished = XInternAtom(r->x11.display, "XdndFinished", False);
r->x11.xdnd_action_copy = XInternAtom(r->x11.display, "XdndActionCopy", False);
r->x11.xdnd_text_uri_list = XInternAtom(r->x11.display, "text/uri-list", False);
r->x11.xdnd_text_plain = XInternAtom(r->x11.display, "text/plain", False);
r->x11.xdnd_aware = XInternAtom(r->x11.display, "XdndAware", False);
r->x11.xdnd_version = 5;
r->x11.format = None;
XChangeProperty(r->x11.display, r->x11.window, r->x11.xdnd_aware, 4, 32, PropModeReplace, &r->x11.xdnd_version, 1);
r->x11.clipboard_pending = 0;
r->x11.gc = XCreateGC(r->x11.display, r->x11.window, 0, NULL);
@ -704,10 +725,15 @@ static void MwLLNextEventImpl(MwLL handle) {
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) {
switch(ev.type) {
case Expose:
{
handle->x11.force_render = 0;
render = 1;
} else if(ev.type == ButtonPress) {
break;
};
case ButtonPress:
{
MwMouse p;
p.point.x = ev.xbutton.x;
p.point.y = ev.xbutton.y;
@ -728,7 +754,10 @@ static void MwLLNextEventImpl(MwLL handle) {
#endif
MwLLDispatch(handle, down, &p);
} else if(ev.type == ButtonRelease) {
break;
};
case ButtonRelease:
{
MwMouse p;
p.point.x = ev.xbutton.x;
p.point.y = ev.xbutton.y;
@ -745,24 +774,114 @@ static void MwLLNextEventImpl(MwLL handle) {
}
MwLLDispatch(handle, up, &p);
} else if(ev.type == ConfigureNotify) {
break;
};
case ConfigureNotify:
{
if(handle->x11.width != (unsigned int)ev.xconfigure.width || handle->x11.height != (unsigned int)ev.xconfigure.height) {
MwLLDispatch(handle, resize, NULL);
destroy_pixmap(handle);
create_pixmap(handle);
render = 1;
break;
}
handle->x11.width = ev.xconfigure.width;
handle->x11.height = ev.xconfigure.height;
} else if(ev.type == ClientMessage) {
};
case ClientMessage:
{
if(ev.xclient.message_type == handle->x11.wm_protocols && ev.xclient.data.l[0] == (long)handle->x11.wm_delete) {
MwLLDispatch(handle, close, NULL);
}
} else if(ev.type == FocusIn) {
if(
ev.xclient.message_type == handle->x11.xdnd_enter ||
ev.xclient.message_type == handle->x11.xdnd_selection ||
ev.xclient.message_type == handle->x11.xdnd_drop) {
char* name = XGetAtomName(handle->x11.display, ev.xclient.message_type);
printf("%s\n", name);
if(ev.xclient.message_type == handle->x11.xdnd_enter) {
Bool list = ev.xclient.data.l[1] & 1;
int version = ev.xclient.data.l[1] >> 24;
unsigned long count = 0;
unsigned char* formats = NULL;
handle->x11.xdnd_source = ev.xclient.data.l[0];
unsigned long i;
if(list) {
Atom actualType;
int32_t actualFormat;
unsigned long bytesAfter;
XGetWindowProperty((Display*)handle->x11.display,
handle->x11.xdnd_source,
handle->x11.xdnd_type_list,
0,
LONG_MAX,
False,
4,
&actualType,
&actualFormat,
&count,
&bytesAfter,
(unsigned char**)&formats);
} else {
count = 0;
if(ev.xclient.data.l[2] != None)
formats[count++] = ev.xclient.data.l[2];
if(ev.xclient.data.l[3] != None)
formats[count++] = ev.xclient.data.l[3];
if(ev.xclient.data.l[4] != None)
formats[count++] = ev.xclient.data.l[4];
}
for(i = 0; i < count; i++) {
if(formats[i] == handle->x11.xdnd_text_uri_list || formats[i] == handle->x11.xdnd_text_plain) {
handle->x11.format = formats[i];
break;
}
}
if(list) {
XFree(formats);
}
}
if(ev.xclient.message_type == handle->x11.xdnd_selection && handle->x11.xdnd_version >= 5) {
XEvent reply;
reply.xclient.message_type = handle->x11.xdnd_status;
if(handle->x11.format) {
reply.xclient.data.l[1] = 1;
if(handle->x11.xdnd_version >= 2)
reply.xclient.data.l[4] = handle->x11.xdnd_action_copy;
}
XSendEvent(handle->x11.display, handle->x11.xdnd_source, False, NoEventMask, &reply);
XFlush(handle->x11.display);
}
if(ev.xclient.message_type == handle->x11.xdnd_drop && handle->x11.xdnd_version >= 5) {
printf("whar\n");
}
XFree(name);
}
break;
};
case FocusIn:
{
MwLLDispatch(handle, focus_in, NULL);
} else if(ev.type == FocusOut) {
break;
};
case FocusOut:
{
MwLLDispatch(handle, focus_out, NULL);
} else if(ev.type == MotionNotify) {
break;
};
case MotionNotify:
{
MwPoint p;
XWindowAttributes attr;
@ -780,7 +899,11 @@ static void MwLLNextEventImpl(MwLL handle) {
if(handle->x11.grabbed && (p.x != 0 || p.y != 0)) {
XWarpPointer(handle->x11.display, None, handle->x11.window, 0, 0, 0, 0, attr.width / 2, attr.height / 2);
}
} else if(ev.type == KeyPress || ev.type == KeyRelease) {
break;
};
case KeyPress:
case KeyRelease:
{
int n = -1;
char str[512];
KeySym sym;
@ -844,7 +967,10 @@ static void MwLLNextEventImpl(MwLL handle) {
MwLLDispatch(handle, key_released, &n);
}
}
} else if(ev.type == SelectionNotify) {
break;
};
case SelectionNotify:
{
handle->x11.clipboard_pending = 0;
if(ev.xselection.property != None) {
@ -887,6 +1013,7 @@ static void MwLLNextEventImpl(MwLL handle) {
XDeleteProperty(handle->x11.display, handle->x11.window, handle->x11.selection);
}
} break;
}
if(render) {
int x, y;
@ -1512,6 +1639,8 @@ static int MwLLX11CallInitImpl(void) {
X11_FUNC_LOAD(XSetICFocus);
X11_FUNC_LOAD(XGetImage);
X11_FUNC_LOAD(XRaiseWindow);
X11_FUNC_LOAD(XFlush);
X11_FUNC_LOAD(XGetAtomName);
X11_FUNC_LOAD(XAllocSizeHints);
X11_FUNC_LOAD(XGetVisualInfo);