1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#include "node.hpp"
namespace winshadows {
shadow_node_t::shadow_node_t( wayfire_toplevel_view view ): wf::scene::node_t(false) {
this->view = view;
on_geometry_changed.set_callback([this] (auto) {
update_geometry();
});
on_activated_changed.set_callback([this] (auto) {
this->view->damage();
});
view->connect(&on_geometry_changed);
view->connect(&on_activated_changed);
update_geometry();
}
shadow_node_t::~shadow_node_t() {
view->disconnect(&on_geometry_changed);
}
wf::geometry_t shadow_node_t::get_bounding_box() {
return geometry;
}
void shadow_node_t::gen_render_instances(std::vector<wf::scene::render_instance_uptr> &instances, wf::scene::damage_callback push_damage, wf::output_t *output) {
// define renderer
class shadow_render_instance_t : public wf::scene::simple_render_instance_t<shadow_node_t> {
public:
using simple_render_instance_t::simple_render_instance_t;
void render(const wf::scene::render_instruction_t& data ) override
{
// coordinates relative to view origin (not bounding box origin)
wf::point_t frame_origin = self->frame_offset;
wf::region_t paint_region = self->shadow_region + frame_origin;
paint_region &= data.damage;
for (const auto& box : paint_region)
{
self->shadow.render(data, frame_origin, wlr_box_from_pixman_box(box) , self->view->activated);
}
self->_was_activated = self->view->activated;
}
};
instances.push_back(std::make_unique<shadow_render_instance_t>(this, push_damage, output));
}
void shadow_node_t::update_geometry() {
wf::geometry_t frame_geometry = view->get_geometry();
shadow.resize(frame_geometry.width, frame_geometry.height);
// TODO: Check whether this can be done in a nicer/easier way
wf::pointf_t view_origin_f = view->get_surface_root_node()->to_global({0, 0});
wf::point_t view_origin {(int)view_origin_f.x, (int)view_origin_f.y};
// Offset between view origin and frame top left corner
frame_offset = wf::origin(frame_geometry) - view_origin;
// Shadow geometry is relative to the top left corner of the frame (not the view)
wf::geometry_t shadow_geometry = shadow.get_geometry();
// move to view-relative coordinates
geometry = shadow_geometry + frame_offset;
this->shadow_region = shadow.calculate_region();
}
}
|
