blob: e903b5b3a15f42135623feb5c2af049a809eb501 (
plain)
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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#include "cru/ui/controls/Control.h"
#include "cru/ui/controls/Window.h"
#include "cru/platform/gui/Cursor.h"
#include "cru/platform/gui/UiApplication.h"
#include "cru/ui/style/StyleRuleSet.h"
#include <format>
namespace cru::ui::controls {
using platform::gui::ICursor;
using platform::gui::IUiApplication;
using platform::gui::SystemCursorType;
Control::Control() {
style_rule_set_ = std::make_shared<style::StyleRuleSet>();
style_rule_set_bind_ =
std::make_unique<style::StyleRuleSetBind>(this, style_rule_set_);
MouseEnterEvent()->Direct()->AddHandler(
[this](events::MouseEventArgs&) { this->is_mouse_over_ = true; });
MouseLeaveEvent()->Direct()->AddHandler(
[this](events::MouseEventArgs&) { this->is_mouse_over_ = false; });
}
Control::~Control() {
if (auto window = GetWindow()) {
if (window->IsInEventHandling()) {
// Don't delete control during event handling. Use DeleteLater.
std::terminate();
}
}
RemoveFromParent();
}
std::string Control::GetDebugId() const {
return std::format("{}({})", GetControlType(),
static_cast<const void*>(this));
}
Window* Control::GetWindow() {
auto parent = this;
while (parent) {
if (auto window = dynamic_cast<Window*>(parent)) {
return window;
}
parent = parent->GetParent();
}
return nullptr;
}
void Control::SetParent(Control* parent) {
if (parent_ == parent) return;
auto old_parent = parent_;
parent_ = parent;
OnParentChanged(old_parent, parent);
}
void Control::RemoveFromParent() {
if (parent_) {
parent_->RemoveChild(this);
}
}
controls::Control* Control::HitTest(const Point& point) {
const auto render_object = GetRenderObject()->HitTest(point);
if (render_object) {
const auto control = render_object->GetAttachedControl();
assert(control);
return control;
}
return nullptr;
}
bool Control::HasFocus() {
auto window = GetWindow();
if (window == nullptr) return false;
return window->GetFocusControl() == this;
}
bool Control::CaptureMouse() {
auto window = GetWindow();
if (window == nullptr) return false;
return window->SetMouseCaptureControl(this);
}
void Control::SetFocus() {
auto window = GetWindow();
if (window == nullptr) return;
window->SetFocusControl(this);
}
bool Control::ReleaseMouse() {
auto window = GetWindow();
if (window == nullptr) return false;
if (window->GetMouseCaptureControl() != this) return false;
return window->SetMouseCaptureControl(nullptr);
}
bool Control::IsMouseCaptured() {
auto window = GetWindow();
if (window == nullptr) return false;
return window->GetMouseCaptureControl() == this;
}
std::shared_ptr<ICursor> Control::GetCursor() { return cursor_; }
std::shared_ptr<ICursor> Control::GetInheritedCursor() {
Control* control = this;
while (control != nullptr) {
const auto cursor = control->GetCursor();
if (cursor != nullptr) return cursor;
control = control->GetParent();
}
return IUiApplication::GetInstance()->GetCursorManager()->GetSystemCursor(
SystemCursorType::Arrow);
}
void Control::SetCursor(std::shared_ptr<ICursor> cursor) {
cursor_ = std::move(cursor);
const auto window = GetWindow();
if (window != nullptr) {
window->UpdateCursor();
}
}
std::shared_ptr<style::StyleRuleSet> Control::GetStyleRuleSet() {
return style_rule_set_;
}
} // namespace cru::ui::controls
|
