1use crate::{ffi, EventController, Gesture, GestureSingle, PropagationLimit, PropagationPhase};
6use glib::{
7 object::ObjectType as _,
8 prelude::*,
9 signal::{connect_raw, SignalHandlerId},
10 translate::*,
11};
12use std::boxed::Box as Box_;
13
14glib::wrapper! {
15 #[doc(alias = "GtkDragSource")]
16 pub struct DragSource(Object<ffi::GtkDragSource, ffi::GtkDragSourceClass>) @extends GestureSingle, Gesture, EventController;
17
18 match fn {
19 type_ => || ffi::gtk_drag_source_get_type(),
20 }
21}
22
23impl DragSource {
24 #[doc(alias = "gtk_drag_source_new")]
25 pub fn new() -> DragSource {
26 assert_initialized_main_thread!();
27 unsafe { from_glib_full(ffi::gtk_drag_source_new()) }
28 }
29
30 pub fn builder() -> DragSourceBuilder {
35 DragSourceBuilder::new()
36 }
37
38 #[doc(alias = "gtk_drag_source_drag_cancel")]
39 pub fn drag_cancel(&self) {
40 unsafe {
41 ffi::gtk_drag_source_drag_cancel(self.to_glib_none().0);
42 }
43 }
44
45 #[doc(alias = "gtk_drag_source_get_actions")]
46 #[doc(alias = "get_actions")]
47 pub fn actions(&self) -> gdk::DragAction {
48 unsafe { from_glib(ffi::gtk_drag_source_get_actions(self.to_glib_none().0)) }
49 }
50
51 #[doc(alias = "gtk_drag_source_get_content")]
52 #[doc(alias = "get_content")]
53 pub fn content(&self) -> Option<gdk::ContentProvider> {
54 unsafe { from_glib_none(ffi::gtk_drag_source_get_content(self.to_glib_none().0)) }
55 }
56
57 #[doc(alias = "gtk_drag_source_get_drag")]
58 #[doc(alias = "get_drag")]
59 pub fn drag(&self) -> Option<gdk::Drag> {
60 unsafe { from_glib_none(ffi::gtk_drag_source_get_drag(self.to_glib_none().0)) }
61 }
62
63 #[doc(alias = "gtk_drag_source_set_actions")]
64 #[doc(alias = "actions")]
65 pub fn set_actions(&self, actions: gdk::DragAction) {
66 unsafe {
67 ffi::gtk_drag_source_set_actions(self.to_glib_none().0, actions.into_glib());
68 }
69 }
70
71 #[doc(alias = "gtk_drag_source_set_content")]
72 #[doc(alias = "content")]
73 pub fn set_content(&self, content: Option<&impl IsA<gdk::ContentProvider>>) {
74 unsafe {
75 ffi::gtk_drag_source_set_content(
76 self.to_glib_none().0,
77 content.map(|p| p.as_ref()).to_glib_none().0,
78 );
79 }
80 }
81
82 #[doc(alias = "gtk_drag_source_set_icon")]
83 pub fn set_icon(&self, paintable: Option<&impl IsA<gdk::Paintable>>, hot_x: i32, hot_y: i32) {
84 unsafe {
85 ffi::gtk_drag_source_set_icon(
86 self.to_glib_none().0,
87 paintable.map(|p| p.as_ref()).to_glib_none().0,
88 hot_x,
89 hot_y,
90 );
91 }
92 }
93
94 #[doc(alias = "drag-begin")]
95 pub fn connect_drag_begin<F: Fn(&Self, &gdk::Drag) + 'static>(&self, f: F) -> SignalHandlerId {
96 unsafe extern "C" fn drag_begin_trampoline<F: Fn(&DragSource, &gdk::Drag) + 'static>(
97 this: *mut ffi::GtkDragSource,
98 drag: *mut gdk::ffi::GdkDrag,
99 f: glib::ffi::gpointer,
100 ) {
101 let f: &F = &*(f as *const F);
102 f(&from_glib_borrow(this), &from_glib_borrow(drag))
103 }
104 unsafe {
105 let f: Box_<F> = Box_::new(f);
106 connect_raw(
107 self.as_ptr() as *mut _,
108 c"drag-begin".as_ptr() as *const _,
109 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
110 drag_begin_trampoline::<F> as *const (),
111 )),
112 Box_::into_raw(f),
113 )
114 }
115 }
116
117 #[doc(alias = "drag-cancel")]
118 pub fn connect_drag_cancel<
119 F: Fn(&Self, &gdk::Drag, gdk::DragCancelReason) -> bool + 'static,
120 >(
121 &self,
122 f: F,
123 ) -> SignalHandlerId {
124 unsafe extern "C" fn drag_cancel_trampoline<
125 F: Fn(&DragSource, &gdk::Drag, gdk::DragCancelReason) -> bool + 'static,
126 >(
127 this: *mut ffi::GtkDragSource,
128 drag: *mut gdk::ffi::GdkDrag,
129 reason: gdk::ffi::GdkDragCancelReason,
130 f: glib::ffi::gpointer,
131 ) -> glib::ffi::gboolean {
132 let f: &F = &*(f as *const F);
133 f(
134 &from_glib_borrow(this),
135 &from_glib_borrow(drag),
136 from_glib(reason),
137 )
138 .into_glib()
139 }
140 unsafe {
141 let f: Box_<F> = Box_::new(f);
142 connect_raw(
143 self.as_ptr() as *mut _,
144 c"drag-cancel".as_ptr() as *const _,
145 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
146 drag_cancel_trampoline::<F> as *const (),
147 )),
148 Box_::into_raw(f),
149 )
150 }
151 }
152
153 #[doc(alias = "drag-end")]
154 pub fn connect_drag_end<F: Fn(&Self, &gdk::Drag, bool) + 'static>(
155 &self,
156 f: F,
157 ) -> SignalHandlerId {
158 unsafe extern "C" fn drag_end_trampoline<F: Fn(&DragSource, &gdk::Drag, bool) + 'static>(
159 this: *mut ffi::GtkDragSource,
160 drag: *mut gdk::ffi::GdkDrag,
161 delete_data: glib::ffi::gboolean,
162 f: glib::ffi::gpointer,
163 ) {
164 let f: &F = &*(f as *const F);
165 f(
166 &from_glib_borrow(this),
167 &from_glib_borrow(drag),
168 from_glib(delete_data),
169 )
170 }
171 unsafe {
172 let f: Box_<F> = Box_::new(f);
173 connect_raw(
174 self.as_ptr() as *mut _,
175 c"drag-end".as_ptr() as *const _,
176 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
177 drag_end_trampoline::<F> as *const (),
178 )),
179 Box_::into_raw(f),
180 )
181 }
182 }
183
184 #[doc(alias = "prepare")]
185 pub fn connect_prepare<F: Fn(&Self, f64, f64) -> Option<gdk::ContentProvider> + 'static>(
186 &self,
187 f: F,
188 ) -> SignalHandlerId {
189 unsafe extern "C" fn prepare_trampoline<
190 F: Fn(&DragSource, f64, f64) -> Option<gdk::ContentProvider> + 'static,
191 >(
192 this: *mut ffi::GtkDragSource,
193 x: std::ffi::c_double,
194 y: std::ffi::c_double,
195 f: glib::ffi::gpointer,
196 ) -> *mut gdk::ffi::GdkContentProvider {
197 let f: &F = &*(f as *const F);
198 f(&from_glib_borrow(this), x, y).to_glib_full()
199 }
200 unsafe {
201 let f: Box_<F> = Box_::new(f);
202 connect_raw(
203 self.as_ptr() as *mut _,
204 c"prepare".as_ptr() as *const _,
205 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
206 prepare_trampoline::<F> as *const (),
207 )),
208 Box_::into_raw(f),
209 )
210 }
211 }
212
213 #[doc(alias = "actions")]
214 pub fn connect_actions_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
215 unsafe extern "C" fn notify_actions_trampoline<F: Fn(&DragSource) + 'static>(
216 this: *mut ffi::GtkDragSource,
217 _param_spec: glib::ffi::gpointer,
218 f: glib::ffi::gpointer,
219 ) {
220 let f: &F = &*(f as *const F);
221 f(&from_glib_borrow(this))
222 }
223 unsafe {
224 let f: Box_<F> = Box_::new(f);
225 connect_raw(
226 self.as_ptr() as *mut _,
227 c"notify::actions".as_ptr() as *const _,
228 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
229 notify_actions_trampoline::<F> as *const (),
230 )),
231 Box_::into_raw(f),
232 )
233 }
234 }
235
236 #[doc(alias = "content")]
237 pub fn connect_content_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
238 unsafe extern "C" fn notify_content_trampoline<F: Fn(&DragSource) + 'static>(
239 this: *mut ffi::GtkDragSource,
240 _param_spec: glib::ffi::gpointer,
241 f: glib::ffi::gpointer,
242 ) {
243 let f: &F = &*(f as *const F);
244 f(&from_glib_borrow(this))
245 }
246 unsafe {
247 let f: Box_<F> = Box_::new(f);
248 connect_raw(
249 self.as_ptr() as *mut _,
250 c"notify::content".as_ptr() as *const _,
251 Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
252 notify_content_trampoline::<F> as *const (),
253 )),
254 Box_::into_raw(f),
255 )
256 }
257 }
258}
259
260impl Default for DragSource {
261 fn default() -> Self {
262 Self::new()
263 }
264}
265
266#[must_use = "The builder must be built to be used"]
271pub struct DragSourceBuilder {
272 builder: glib::object::ObjectBuilder<'static, DragSource>,
273}
274
275impl DragSourceBuilder {
276 fn new() -> Self {
277 Self {
278 builder: glib::object::Object::builder(),
279 }
280 }
281
282 pub fn actions(self, actions: gdk::DragAction) -> Self {
283 Self {
284 builder: self.builder.property("actions", actions),
285 }
286 }
287
288 pub fn content(self, content: &impl IsA<gdk::ContentProvider>) -> Self {
289 Self {
290 builder: self.builder.property("content", content.clone().upcast()),
291 }
292 }
293
294 pub fn button(self, button: u32) -> Self {
295 Self {
296 builder: self.builder.property("button", button),
297 }
298 }
299
300 pub fn exclusive(self, exclusive: bool) -> Self {
301 Self {
302 builder: self.builder.property("exclusive", exclusive),
303 }
304 }
305
306 pub fn touch_only(self, touch_only: bool) -> Self {
307 Self {
308 builder: self.builder.property("touch-only", touch_only),
309 }
310 }
311
312 pub fn n_points(self, n_points: u32) -> Self {
313 Self {
314 builder: self.builder.property("n-points", n_points),
315 }
316 }
317
318 pub fn name(self, name: impl Into<glib::GString>) -> Self {
319 Self {
320 builder: self.builder.property("name", name.into()),
321 }
322 }
323
324 pub fn propagation_limit(self, propagation_limit: PropagationLimit) -> Self {
325 Self {
326 builder: self
327 .builder
328 .property("propagation-limit", propagation_limit),
329 }
330 }
331
332 pub fn propagation_phase(self, propagation_phase: PropagationPhase) -> Self {
333 Self {
334 builder: self
335 .builder
336 .property("propagation-phase", propagation_phase),
337 }
338 }
339
340 #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
343 pub fn build(self) -> DragSource {
344 assert_initialized_main_thread!();
345 self.builder.build()
346 }
347}