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wayland drag and drop

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IoIxD 2026-09-14 15:09:14 -07:00
commit cb0d7b8583
6 changed files with 186 additions and 16 deletions
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12
NTMakefile generated
View file

@ -6,9 +6,9 @@ MW_LDFLAGS = /DLL
EXE_CFLAGS = /Iinclude
EXE_LDFLAGS =
.SUFFIXES: .obj .c
all: src\Mw.dll examples\basic\box.exe examples\basic\calculator.exe examples\basic\checkbox.exe examples\basic\clipboard.exe examples\basic\colorpicker.exe examples\basic\combobox.exe examples\basic\document.exe examples\basic\example.exe examples\basic\filechooser.exe examples\basic\image.exe examples\basic\listbox.exe examples\basic\messagebox.exe examples\basic\periodic.exe examples\basic\progressbar.exe examples\basic\radiobox.exe examples\basic\rotate.exe examples\basic\scrollbar.exe examples\basic\sevensegment.exe examples\basic\subwindow.exe examples\basic\tab.exe examples\basic\treeview.exe examples\basic\viewport.exe examples\gldemos\boing.exe examples\gldemos\clock.exe examples\gldemos\cube.exe examples\gldemos\gears.exe examples\gldemos\triangle.exe examples\gldemos\tripaint.exe
all: src\Mw.dll examples\basic\box.exe examples\basic\calculator.exe examples\basic\checkbox.exe examples\basic\clipboard.exe examples\basic\colorpicker.exe examples\basic\combobox.exe examples\basic\dnd.exe examples\basic\document.exe examples\basic\example.exe examples\basic\filechooser.exe examples\basic\image.exe examples\basic\listbox.exe examples\basic\messagebox.exe examples\basic\periodic.exe examples\basic\progressbar.exe examples\basic\radiobox.exe examples\basic\rotate.exe examples\basic\scrollbar.exe examples\basic\sevensegment.exe examples\basic\subwindow.exe examples\basic\tab.exe examples\basic\treeview.exe examples\basic\viewport.exe examples\gldemos\boing.exe examples\gldemos\clock.exe examples\gldemos\cube.exe examples\gldemos\gears.exe examples\gldemos\triangle.exe examples\gldemos\tripaint.exe
lib: src\Mw.dll
examples: examples\basic\box.exe examples\basic\calculator.exe examples\basic\checkbox.exe examples\basic\clipboard.exe examples\basic\colorpicker.exe examples\basic\combobox.exe examples\basic\document.exe examples\basic\example.exe examples\basic\filechooser.exe examples\basic\image.exe examples\basic\listbox.exe examples\basic\messagebox.exe examples\basic\periodic.exe examples\basic\progressbar.exe examples\basic\radiobox.exe examples\basic\rotate.exe examples\basic\scrollbar.exe examples\basic\sevensegment.exe examples\basic\subwindow.exe examples\basic\tab.exe examples\basic\treeview.exe examples\basic\viewport.exe examples\gldemos\boing.exe examples\gldemos\clock.exe examples\gldemos\cube.exe examples\gldemos\gears.exe examples\gldemos\triangle.exe examples\gldemos\tripaint.exe
examples: examples\basic\box.exe examples\basic\calculator.exe examples\basic\checkbox.exe examples\basic\clipboard.exe examples\basic\colorpicker.exe examples\basic\combobox.exe examples\basic\dnd.exe examples\basic\document.exe examples\basic\example.exe examples\basic\filechooser.exe examples\basic\image.exe examples\basic\listbox.exe examples\basic\messagebox.exe examples\basic\periodic.exe examples\basic\progressbar.exe examples\basic\radiobox.exe examples\basic\rotate.exe examples\basic\scrollbar.exe examples\basic\sevensegment.exe examples\basic\subwindow.exe examples\basic\tab.exe examples\basic\treeview.exe examples\basic\viewport.exe examples\gldemos\boing.exe examples\gldemos\clock.exe examples\gldemos\cube.exe examples\gldemos\gears.exe examples\gldemos\triangle.exe examples\gldemos\tripaint.exe
clean:
del /f /q external\libz\src\adler32.obj
del /f /q external\libz\src\compress.obj
@ -112,6 +112,7 @@ clean:
del /f /q examples\basic\clipboard.obj
del /f /q examples\basic\colorpicker.obj
del /f /q examples\basic\combobox.obj
del /f /q examples\basic\dnd.obj
del /f /q examples\basic\document.obj
del /f /q examples\basic\example.obj
del /f /q examples\basic\filechooser.obj
@ -140,6 +141,7 @@ clean:
del /f /q examples\basic\clipboard.exe
del /f /q examples\basic\colorpicker.exe
del /f /q examples\basic\combobox.exe
del /f /q examples\basic\dnd.exe
del /f /q examples\basic\document.exe
del /f /q examples\basic\example.exe
del /f /q examples\basic\filechooser.exe
@ -199,6 +201,12 @@ examples\basic\combobox.exe: examples\basic\combobox.obj src\Mw.dll
examples\basic\combobox.obj: examples/basic/combobox.c
$(CC) $(EXE_CFLAGS) /Fo$@ examples/basic/combobox.c
examples\basic\dnd.exe: examples\basic\dnd.obj src\Mw.dll
$(LD) $(EXE_LDFLAGS) /OUT:$@ examples\basic\dnd.obj src\Mw.lib
examples\basic\dnd.obj: examples/basic/dnd.c
$(CC) $(EXE_CFLAGS) /Fo$@ examples/basic/dnd.c
examples\basic\document.exe: examples\basic\document.obj src\Mw.dll
$(LD) $(EXE_LDFLAGS) /OUT:$@ examples\basic\document.obj src\Mw.lib

12
WatMakefile generated
View file

@ -5,9 +5,9 @@ MW_CFLAGS = -bd -i=include -i=external/libz/include -d_MILSKO -d_MILSKO_BUILD -d
MW_LDFLAGS = system nt_dll
EXE_CFLAGS = -i=include
EXE_LDFLAGS = system nt
all: src/Mw.dll examples/basic/box.exe examples/basic/calculator.exe examples/basic/checkbox.exe examples/basic/clipboard.exe examples/basic/colorpicker.exe examples/basic/combobox.exe examples/basic/document.exe examples/basic/example.exe examples/basic/filechooser.exe examples/basic/image.exe examples/basic/listbox.exe examples/basic/messagebox.exe examples/basic/periodic.exe examples/basic/progressbar.exe examples/basic/radiobox.exe examples/basic/rotate.exe examples/basic/scrollbar.exe examples/basic/sevensegment.exe examples/basic/subwindow.exe examples/basic/tab.exe examples/basic/treeview.exe examples/basic/viewport.exe examples/gldemos/boing.exe examples/gldemos/clock.exe examples/gldemos/cube.exe examples/gldemos/gears.exe examples/gldemos/triangle.exe examples/gldemos/tripaint.exe
all: src/Mw.dll examples/basic/box.exe examples/basic/calculator.exe examples/basic/checkbox.exe examples/basic/clipboard.exe examples/basic/colorpicker.exe examples/basic/combobox.exe examples/basic/dnd.exe examples/basic/document.exe examples/basic/example.exe examples/basic/filechooser.exe examples/basic/image.exe examples/basic/listbox.exe examples/basic/messagebox.exe examples/basic/periodic.exe examples/basic/progressbar.exe examples/basic/radiobox.exe examples/basic/rotate.exe examples/basic/scrollbar.exe examples/basic/sevensegment.exe examples/basic/subwindow.exe examples/basic/tab.exe examples/basic/treeview.exe examples/basic/viewport.exe examples/gldemos/boing.exe examples/gldemos/clock.exe examples/gldemos/cube.exe examples/gldemos/gears.exe examples/gldemos/triangle.exe examples/gldemos/tripaint.exe
lib: src/Mw.dll
examples: examples/basic/box.exe examples/basic/calculator.exe examples/basic/checkbox.exe examples/basic/clipboard.exe examples/basic/colorpicker.exe examples/basic/combobox.exe examples/basic/document.exe examples/basic/example.exe examples/basic/filechooser.exe examples/basic/image.exe examples/basic/listbox.exe examples/basic/messagebox.exe examples/basic/periodic.exe examples/basic/progressbar.exe examples/basic/radiobox.exe examples/basic/rotate.exe examples/basic/scrollbar.exe examples/basic/sevensegment.exe examples/basic/subwindow.exe examples/basic/tab.exe examples/basic/treeview.exe examples/basic/viewport.exe examples/gldemos/boing.exe examples/gldemos/clock.exe examples/gldemos/cube.exe examples/gldemos/gears.exe examples/gldemos/triangle.exe examples/gldemos/tripaint.exe
examples: examples/basic/box.exe examples/basic/calculator.exe examples/basic/checkbox.exe examples/basic/clipboard.exe examples/basic/colorpicker.exe examples/basic/combobox.exe examples/basic/dnd.exe examples/basic/document.exe examples/basic/example.exe examples/basic/filechooser.exe examples/basic/image.exe examples/basic/listbox.exe examples/basic/messagebox.exe examples/basic/periodic.exe examples/basic/progressbar.exe examples/basic/radiobox.exe examples/basic/rotate.exe examples/basic/scrollbar.exe examples/basic/sevensegment.exe examples/basic/subwindow.exe examples/basic/tab.exe examples/basic/treeview.exe examples/basic/viewport.exe examples/gldemos/boing.exe examples/gldemos/clock.exe examples/gldemos/cube.exe examples/gldemos/gears.exe examples/gldemos/triangle.exe examples/gldemos/tripaint.exe
clean: .SYMBOLIC
%erase external/libz/src/adler32.obj
%erase external/libz/src/compress.obj
@ -111,6 +111,7 @@ clean: .SYMBOLIC
%erase examples/basic/clipboard.obj
%erase examples/basic/colorpicker.obj
%erase examples/basic/combobox.obj
%erase examples/basic/dnd.obj
%erase examples/basic/document.obj
%erase examples/basic/example.obj
%erase examples/basic/filechooser.obj
@ -139,6 +140,7 @@ clean: .SYMBOLIC
%erase examples/basic/clipboard.exe
%erase examples/basic/colorpicker.exe
%erase examples/basic/combobox.exe
%erase examples/basic/dnd.exe
%erase examples/basic/document.exe
%erase examples/basic/example.exe
%erase examples/basic/filechooser.exe
@ -198,6 +200,12 @@ examples/basic/combobox.exe: examples/basic/combobox.obj src/Mw.dll
examples/basic/combobox.obj: examples/basic/combobox.c
$(CC) $(EXE_CFLAGS) -fo=$@ examples/basic/combobox.c
examples/basic/dnd.exe: examples/basic/dnd.obj src/Mw.dll
$(LD) $(EXE_LDFLAGS) name $@ file examples/basic/dnd.obj library clib3r.lib library src/Mw.lib
examples/basic/dnd.obj: examples/basic/dnd.c
$(CC) $(EXE_CFLAGS) -fo=$@ examples/basic/dnd.c
examples/basic/document.exe: examples/basic/document.obj src/Mw.dll
$(LD) $(EXE_LDFLAGS) name $@ file examples/basic/document.obj library clib3r.lib library src/Mw.lib

59
examples/basic/dnd.c Normal file
View file

@ -0,0 +1,59 @@
#include <Mw/Milsko.h>
MwWidget window, instructions, text1, cur_text;
static void MWAPI resize(MwWidget handle, void* user_data, void* call_data) {
unsigned int w, h;
(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);
}
static void MWAPI dnd(MwWidget handle, void* user_data, void* call_data) {
char* filename = call_data;
(void)handle;
(void)user_data;
if(filename != NULL) {
MwVaApply(cur_text, MwNtext, filename, NULL);
MwForceRender(cur_text);
}
}
int main() {
MwLibraryInit();
window = MwVaCreateWidget(MwWindowClass, "main", NULL, MwDEFAULT, MwDEFAULT, 400, 400,
MwNtitle, "dnd",
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,
MwNtext, "",
NULL);
cur_text = text1;
MwAddUserHandler(window, MwNresizeHandler, resize, NULL);
MwAddUserHandler(window, MwNdragAndDropHandler, dnd, NULL);
resize(window, NULL, NULL);
MwLoop(window);
}

3
include/Mw/LowLevel/Wayland.h
View file

@ -292,6 +292,9 @@ typedef struct wl_clipboard_device_context {
struct zwp_primary_selection_offer_v1* zwp;
} offer;
const char* accepted_types[6];
char selected_mime_type[4096];
MwLL ll;
// struct wl_seat* seat;
} wl_clipboard_device_context_t;

1
pl/rules.pl
View file

@ -207,6 +207,7 @@ new_example("examples/basic/combobox");
new_example("examples/basic/treeview");
new_example("examples/basic/box");
new_example("examples/basic/clipboard");
new_example("examples/basic/dnd");
new_example("examples/basic/sevensegment");
new_example("examples/basic/calculator");
new_example("examples/basic/filechooser");

115
src/backend/wayland/interfaces.c
View file

@ -100,11 +100,32 @@ static void wl_offer(void* data,
struct wl_data_offer* wl_data_offer,
const char* mime_type) {
wl_clipboard_device_context_t* self = data;
wl_data_offer_accept(wl_data_offer, self->ll->wayland.clipboard_serial, mime_type);
int i;
for(i = 0; i < sizeof(self->accepted_types) / sizeof(self->accepted_types[0]); i++) {
if(strcmp(self->accepted_types[i], mime_type) == 0) {
wl_data_offer_accept(wl_data_offer, self->ll->wayland.clipboard_serial, mime_type);
memset(self->selected_mime_type, 0, 4096);
snprintf(self->selected_mime_type, sizeof(self->selected_mime_type), "%s", mime_type);
break;
}
}
};
static void wl_source_actions(void* data,
struct wl_data_offer* wl_data_offer,
uint32_t source_actions) {
// printf("%d\n", source_actions);
};
static void wl_action(void* data,
struct wl_data_offer* wl_data_offer,
uint32_t dnd_action) {};
struct wl_data_offer_listener offer_listener = {
.offer = wl_offer,
.offer = wl_offer,
.source_actions = wl_source_actions,
.action = wl_action,
};
static void wl_data_device_data_offer(void* data,
@ -125,7 +146,7 @@ static void wl_data_device_enter(void* data,
wl_fixed_t x,
wl_fixed_t y,
struct wl_data_offer* id) {
MwLL self = data;
wl_clipboard_device_context_t* self = data;
(void)wl_data_device;
(void)surface;
(void)x;
@ -134,33 +155,86 @@ static void wl_data_device_enter(void* data,
WAYLAND_EVENT_OP_START(self);
self->wayland.clipboard_serial = serial;
self->ll->wayland.clipboard_serial = serial;
WAYLAND_EVENT_OP_END(self);
};
static void wl_data_device_leave(void* data,
struct wl_data_device* wl_data_device) {
MwLL self = data;
wl_clipboard_device_context_t* self = data;
WAYLAND_EVENT_OP_START(self);
wl_data_device_destroy(wl_data_device);
WAYLAND_EVENT_OP_END(self);
if(self->offer.wl) {
wl_data_offer_destroy(self->offer.wl);
self->offer.wl = NULL;
}
};
static void wl_data_device_motion(void* data,
struct wl_data_device* wl_data_device,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y) {
(void)data;
(void)wl_data_device;
(void)time;
(void)x;
(void)y;
wl_clipboard_device_context_t* self = data;
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);
}
};
static void wl_data_device_drop(void* data,
struct wl_data_device* wl_data_device) {
(void)data;
(void)wl_data_device;
wl_clipboard_device_context_t* self = data;
int fds[2];
fd_set set;
char* buf = NULL;
struct timeval timeout;
int rc = 0;
if(pipe(fds) != 0) {
return;
}
FD_ZERO(&set);
FD_SET(fds[0], &set);
timeout.tv_sec = 0;
timeout.tv_usec = 1000;
wl_data_offer_receive(self->offer.wl, self->selected_mime_type, fds[1]);
close(fds[1]);
MwLLWaylandFlush(self->ll);
wl_display_roundtrip(self->ll->wayland.display);
while(MwTRUE) {
rc = select(fds[0] + 1, &set, NULL, NULL, &timeout);
if(rc <= 0) {
break;
} else {
char b;
ssize_t n = read(fds[0], &b, sizeof(b));
if(n <= 0) {
break;
}
arrpush(buf, b);
}
}
arrpush(buf, 0);
close(fds[0]);
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);
}
arrfree(buf);
self->selected_mime_type[0] = '\0';
};
static void wl_data_device_selection(void* data,
@ -256,6 +330,7 @@ static void wl_data_source_listener_target(void* data,
(void)data;
(void)wl_data_source;
(void)mime_type;
printf("test\n");
};
static void wl_data_source_listener_send(void* data,
struct wl_data_source* wl_data_source,
@ -297,6 +372,7 @@ static void wl_data_source_listener_cancelled(void* data,
wl_data_source_offer(self->wayland.clipboard_source.wl, "TEXT");
wl_data_source_offer(self->wayland.clipboard_source.wl, "STRING");
wl_data_source_offer(self->wayland.clipboard_source.wl, "UTF8_STRING");
wl_data_source_offer(self->wayland.clipboard_source.wl, "text/uri-list");
wl_data_source_add_listener(self->wayland.clipboard_source.wl, &wl_data_source_listener, self);
@ -348,7 +424,7 @@ struct zwp_primary_selection_source_v1_listener zwp_primary_selection_source_v1_
/* wl_data_device_manager setup function */
static wayland_protocol_t* wl_data_device_manager_setup(MwU32 name, struct _MwLLWayland* wayland, MwU32 version) {
(void)version;
wayland->clipboard_manager.wl = wl_registry_bind(wayland->registry, name, &wl_data_device_manager_interface, 2);
wayland->clipboard_manager.wl = wl_registry_bind(wayland->registry, name, &wl_data_device_manager_interface, 3);
wayland->clipboard_source.wl = wl_data_device_manager_create_data_source(wayland->clipboard_manager.wl);
@ -357,6 +433,7 @@ static wayland_protocol_t* wl_data_device_manager_setup(MwU32 name, struct _MwLL
wl_data_source_offer(wayland->clipboard_source.wl, "TEXT");
wl_data_source_offer(wayland->clipboard_source.wl, "STRING");
wl_data_source_offer(wayland->clipboard_source.wl, "UTF8_STRING");
wl_data_source_offer(wayland->clipboard_source.wl, "text/uri-list");
wl_data_source_add_listener(wayland->clipboard_source.wl, &wl_data_source_listener, wayland);
@ -1040,6 +1117,13 @@ static void setup_zwp_clipboard(MwLL self, struct wl_seat* wl_seat) {
device_ctx_zwp->ll = self;
zwp_primary_selection_device_v1_add_listener(device_ctx_zwp->device.zwp, &zwp_primary_selection_device_v1_listener, device_ctx_zwp);
arrpush(self->wayland.clipboard_devices_zwp, device_ctx_zwp);
device_ctx_zwp->accepted_types[0] = "text/plain";
device_ctx_zwp->accepted_types[1] = "text/plain;charset=utf-8";
device_ctx_zwp->accepted_types[2] = "TEXT";
device_ctx_zwp->accepted_types[3] = "STRING";
device_ctx_zwp->accepted_types[4] = "UTF8_STRING";
device_ctx_zwp->accepted_types[5] = "text/uri-list";
}
static void setup_clipboard(MwLL self, struct wl_seat* wl_seat) {
wl_clipboard_device_context_t* device_ctx_wl = malloc(sizeof(wl_clipboard_device_context_t));
@ -1050,6 +1134,13 @@ static void setup_clipboard(MwLL self, struct wl_seat* wl_seat) {
wl_data_device_add_listener(device_ctx_wl->device.wl, &wl_data_device_listener, device_ctx_wl);
arrpush(self->wayland.clipboard_devices_wl, device_ctx_wl);
device_ctx_wl->accepted_types[0] = "text/plain";
device_ctx_wl->accepted_types[1] = "text/plain;charset=utf-8";
device_ctx_wl->accepted_types[2] = "TEXT";
device_ctx_wl->accepted_types[3] = "STRING";
device_ctx_wl->accepted_types[4] = "UTF8_STRING";
device_ctx_wl->accepted_types[5] = "text/uri-list";
};
static void keyboard_repeat_info(void* data,