better wayland clipboard, initial xdnd support
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IoIxD 2026-09-15 09:45:38 +09:00 committed by IoI_xD
commit fdbdc83527
6 changed files with 321 additions and 57 deletions

View file

@ -1,6 +1,6 @@
#include <Mw/Milsko.h>
MwWidget window, instructions, text1, cur_text;
MwWidget window, box, instructions, cur_text, text_listbox;
static void MWAPI resize(MwWidget handle, void* user_data, void* call_data) {
unsigned int w, h;
@ -11,17 +11,7 @@ static void MWAPI resize(MwWidget handle, void* user_data, void* call_data) {
w = MwGetInteger(handle, MwNwidth);
h = MwGetInteger(handle, MwNheight);
MwVaApply(instructions,
MwNy, 50,
MwNwidth, w - 50 * 2,
MwNheight, h - 125 - 50 * 3,
NULL);
MwVaApply(text1,
MwNy, 150,
MwNwidth, w - 25 * 2,
MwNheight, h - 125 - 50 * 3,
NULL);
MwVaApply(box, MwNwidth, w, MwNheight, h, NULL);
}
static void MWAPI dnd(MwWidget handle, void* user_data, void* call_data) {
char* filename = call_data;
@ -30,29 +20,35 @@ static void MWAPI dnd(MwWidget handle, void* user_data, void* call_data) {
(void)user_data;
if(filename != NULL) {
MwVaApply(cur_text, MwNtext, filename, NULL);
MwForceRender(cur_text);
MwListBoxSet(text_listbox, -1, -1, filename);
MwForceRender(text_listbox);
}
}
int main() {
MwLibraryInit();
MwSizeHints hints;
window = MwVaCreateWidget(MwWindowClass, "main", NULL, MwDEFAULT, MwDEFAULT, 400, 400,
MwNtitle, "dnd",
MwLibraryInit();
hints.min_width = hints.min_height = 600;
window = MwVaCreateWidget(MwWindowClass, "main", NULL, MwDEFAULT, MwDEFAULT, 600, 600,
MwNtitle, "dnd",
MwNsizeHints, &hints,
NULL);
box = MwVaCreateWidget(MwBoxClass, NULL, window, 0, 0, 800, 800, MwNorientation, MwVERTICAL, MwNpadding, 25, NULL);
instructions = MwVaCreateWidget(MwLabelClass, "button", box, 50, 50, 750, 50,
MwNtext, "drag files onto this text box, and their names will show up below.",
MwNacceptsDnD, 1,
NULL);
instructions = MwVaCreateWidget(MwLabelClass, "button", window, 50, 50, 300, 125,
MwNtext, "drag a file and its name will show up below.",
NULL);
text1 = MwVaCreateWidget(MwLabelClass, "label", window, 25, 150, 300, 75,
text_listbox = MwVaCreateWidget(MwListBoxClass, "label", box, 25, 150, 750, 700,
MwNtext, "",
MwNacceptsDnD, 1,
NULL);
cur_text = text1;
MwAddUserHandler(window, MwNresizeHandler, resize, NULL);
MwAddUserHandler(window, MwNdragAndDropHandler, dnd, NULL);
MwAddUserHandler(instructions, MwNdragAndDropHandler, dnd, NULL);
resize(window, NULL, NULL);

View file

@ -456,6 +456,8 @@ struct _MwLLWayland {
MwU64 next_elapsed;
long start_time;
long end_time;
MwBool accepts_dnd;
};
struct _MwLLWaylandColor {

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 xdnd_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 */

View file

@ -19,6 +19,7 @@ static void setup_zwp_clipboard(MwLL self, struct wl_seat* wl_seat);
static void destroy_clipboard(MwLL self, struct wl_seat* wl_seat);
static void destroy_zwp_clipboard(MwLL self, struct wl_seat* wl_seat);
static bool hit_detect(MwLL child, MwLL* _topmost_parent, MwPoint* _point, MwPoint* _relative_mouse_pos, MwPoint* _absolute_pos);
/* Recursively dispatch a key event to a widget and its children */
static void recursive_dispatch_key(MwLL handle, int* k) {
@ -168,6 +169,57 @@ static void wl_data_device_leave(void* data,
self->offer.wl = NULL;
}
};
static MwBool motion_cursor_change(MwLL self, wl_clipboard_device_context_t* ctx) {
if(self->wayland.type == MwLL_WAYLAND_TOPLEVEL && self->wayland.accepts_dnd) {
return MwTRUE;
} else if(self->common.user) {
MwWidget w = self->common.user;
int i, n;
for(i = 0; i < arrlen(w->children); i++) {
if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
MwLL child = w->children[i]->lowlevel;
MwLL topmost_parent = child;
MwPoint point;
MwPoint relative_mouse_pos;
MwPoint absolute_pos;
if(hit_detect(child, &topmost_parent, &point, &relative_mouse_pos, &absolute_pos)) {
return MwTRUE;
} else {
return motion_cursor_change(child, ctx);
}
}
}
}
return MwFALSE;
}
static void clipboard_dispatch(MwLL self, char* buf) {
if(self->wayland.type == MwLL_WAYLAND_TOPLEVEL && self->wayland.accepts_dnd) {
MwLLDispatch(self, drag_and_drop, buf);
} else if(self->common.user) {
MwWidget w = self->common.user;
int i, n;
for(i = 0; i < arrlen(w->children); i++) {
if(w->children[i]->lowlevel->wayland.type == MwLL_WAYLAND_SUBLEVEL) {
MwLL child = w->children[i]->lowlevel;
MwLL topmost_parent = child;
MwPoint point;
MwPoint relative_mouse_pos;
MwPoint absolute_pos;
if(hit_detect(child, &topmost_parent, &point, &relative_mouse_pos, &absolute_pos) && child->wayland.accepts_dnd) {
MwLLDispatch(child, drag_and_drop, buf);
return;
} else {
clipboard_dispatch(child, buf);
}
}
}
}
}
static void wl_data_device_motion(void* data,
struct wl_data_device* wl_data_device,
uint32_t time,
@ -179,8 +231,15 @@ static void wl_data_device_motion(void* data,
(void)y;
wl_clipboard_device_context_t* self = data;
self->ll->wayland.cur_mouse_pos.x = wl_fixed_to_int(x);
self->ll->wayland.cur_mouse_pos.y = wl_fixed_to_int(y);
if(self->selected_mime_type[0] != '\0' && self->offer.wl) {
wl_data_offer_set_actions(self->offer.wl, WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY, WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY);
if(motion_cursor_change(self->ll, self)) {
wl_data_offer_set_actions(self->offer.wl, WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY, WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY);
} else {
wl_data_offer_set_actions(self->offer.wl, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE, WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE);
};
}
};
static void wl_data_device_drop(void* data,
@ -193,7 +252,6 @@ static void wl_data_device_drop(void* data,
int rc = 0;
if(pipe(fds) != 0) {
return;
}
@ -226,10 +284,20 @@ static void wl_data_device_drop(void* data,
setup_clipboard(self->ll, self->ll->wayland.pointer_seat);
if(strstr(buf, "file://")) {
MwLLDispatch(self->ll, drag_and_drop, buf + sizeof("file://") - 1);
} else {
MwLLDispatch(self->ll, drag_and_drop, buf);
char* buf_ptr = buf;
while(buf_ptr) {
char* next = strstr(buf_ptr, "\n");
if(next) {
*next = '\0';
if(strstr(buf_ptr, "file://")) {
clipboard_dispatch(self->ll, buf_ptr + sizeof("file://") - 1);
} else {
clipboard_dispatch(self->ll, buf_ptr);
}
buf_ptr = next + 1;
} else {
buf_ptr = NULL;
}
}
arrfree(buf);

View file

@ -1794,7 +1794,6 @@ static void MwLLGetCursorCoordImpl(MwLL handle, MwPoint* point) {
}
static void MwLLGetScreenSizeImpl(MwLL handle, MwRect* rect) {
rect->x = 0;
rect->y = 0;
rect->width = handle->wayland.mw;
@ -1803,6 +1802,7 @@ static void MwLLGetScreenSizeImpl(MwLL handle, MwRect* rect) {
static void MwLLSetupDragAndDropImpl(MwLL handle) {
(void)handle;
handle->wayland.accepts_dnd = MwTRUE;
}
static void MwLLBeginStateChangeImpl(MwLL handle) {

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 +438,21 @@ 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.xdnd_format = None;
r->x11.clipboard_pending = 0;
r->x11.gc = XCreateGC(r->x11.display, r->x11.window, 0, NULL);
@ -704,10 +724,15 @@ 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 +753,10 @@ 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 +773,122 @@ 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_position ||
ev.xclient.message_type == handle->x11.xdnd_drop) {
char* name = XGetAtomName(handle->x11.display, ev.xclient.message_type);
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;
unsigned long i;
handle->x11.xdnd_source = ev.xclient.data.l[0];
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.xdnd_format = formats[i];
printf("format %d\n", handle->x11.xdnd_format);
break;
}
}
if(list) {
XFree(formats);
}
}
if(ev.xclient.message_type == handle->x11.xdnd_position && handle->x11.xdnd_version >= 5) {
XEvent reply;
reply.xclient.message_type = handle->x11.xdnd_status;
if(handle->x11.xdnd_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) {
Time time = CurrentTime;
if(handle->x11.xdnd_version >= 1)
time = ev.xclient.data.l[2];
if(handle->x11.xdnd_format) {
XConvertSelection((Display*)handle->x11.display,
handle->x11.xdnd_selection,
handle->x11.xdnd_format,
handle->x11.xdnd_selection,
(Window)handle->x11.window,
time);
}
}
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 +906,11 @@ 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;
@ -844,10 +974,60 @@ 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) {
if(ev.xselection.property == handle->x11.xdnd_selection) {
XEvent reply;
char* data;
unsigned long result;
Atom actualType;
int32_t actualFormat;
unsigned long bytesAfter;
XGetWindowProperty(handle->x11.display,
ev.xselection.requestor, ev.xselection.property,
0, LONG_MAX, False, ev.xselection.target,
&actualType, &actualFormat, &result, &bytesAfter,
(unsigned char**)&data);
if(result == 0)
break;
/* !! untested lmao !! */
printf("File(s) dropped: %s\n", data);
char* data_ptr = data;
while(data_ptr) {
char* next = strstr(data, "\n");
if(next) *next = '\0';
printf("%s\n", data_ptr);
if(strstr(data_ptr, "file://")) {
MwLLDispatch(handle, drag_and_drop, data_ptr + sizeof("file://") - 1);
} else {
MwLLDispatch(handle, drag_and_drop, data_ptr);
}
if(next) data_ptr = next + 1;
else
data_ptr = NULL;
}
if(data)
XFree(data);
if(handle->x11.xdnd_version >= 2) {
reply.xclient.message_type = handle->x11.xdnd_finished;
reply.xclient.data.l[1] = result;
reply.xclient.data.l[2] = handle->x11.xdnd_action_copy;
XSendEvent((Display*)handle->x11.display, handle->x11.xdnd_source, False, NoEventMask, &reply);
XFlush((Display*)handle->x11.display);
}
} else if(ev.xselection.property != None) {
Atom type;
int format;
unsigned long nitems, after, size;
@ -884,9 +1064,9 @@ static void MwLLNextEventImpl(MwLL handle) {
free(buf);
}
}
XDeleteProperty(handle->x11.display, handle->x11.window, handle->x11.selection);
}
} break;
}
if(render) {
int x, y;
@ -1365,7 +1545,7 @@ static void MwLLGetScreenSizeImpl(MwLL handle, MwRect* rect) {
}
static void MwLLSetupDragAndDropImpl(MwLL handle) {
(void)handle;
XChangeProperty(handle->x11.display, handle->x11.window, handle->x11.xdnd_aware, 4, 32, PropModeReplace, &handle->x11.xdnd_version, 1);
}
static void MwLLBeginStateChangeImpl(MwLL handle) {
@ -1512,6 +1692,8 @@ 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);