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
|
#include "cru/win/native/win_application.hpp"
#include "cru/win/exception.hpp"
#include "cru/win/graph/graph_manager.hpp"
#include "cru/win/native/god_window.hpp"
#include "cru/win/native/win_native_window.hpp"
#include "god_window_message.hpp"
#include "timer.hpp"
#include "window_manager.hpp"
#include <VersionHelpers.h>
#include <cassert>
namespace cru::platform::native {
UiApplication* UiApplication::GetInstance() {
return win::native::WinApplication::GetInstance();
}
} // namespace cru::platform::native
namespace cru::win::native {
WinApplication* WinApplication::instance = nullptr;
namespace {
bool application_constructing = false;
}
WinApplication* WinApplication::GetInstance() {
if (instance == nullptr && !application_constructing) {
application_constructing = true;
instance = new WinApplication(::GetModuleHandleW(nullptr));
}
return instance;
}
WinApplication::WinApplication(HINSTANCE h_instance) : h_instance_(h_instance) {
assert(instance == nullptr);
if (!::IsWindows8OrGreater())
throw std::runtime_error("Must run on Windows 8 or later.");
god_window_ = std::make_shared<GodWindow>(this);
timer_manager_ = std::make_shared<TimerManager>(god_window_.get());
window_manager_ = std::make_shared<WindowManager>(this);
}
WinApplication::~WinApplication() {
instance = nullptr; }
int WinApplication::Run() {
MSG msg;
while (GetMessageW(&msg, nullptr, 0, 0)) {
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
for (const auto& handler : quit_handlers_) handler();
delete graph::GraphManager::GetInstance();
delete this;
return static_cast<int>(msg.wParam);
}
void WinApplication::Quit(const int quit_code) { ::PostQuitMessage(quit_code); }
void WinApplication::AddOnQuitHandler(const std::function<void()>& handler) {
quit_handlers_.push_back(handler);
}
void WinApplication::InvokeLater(const std::function<void()>& action) {
// copy the action to a safe place
auto p_action_copy = new std::function<void()>(action);
if (PostMessageW(GetGodWindow()->GetHandle(), invoke_later_message_id,
reinterpret_cast<WPARAM>(p_action_copy), 0) == 0)
throw Win32Error(::GetLastError(), "InvokeLater failed to post message.");
}
unsigned long WinApplication::SetTimeout(std::chrono::milliseconds milliseconds,
const std::function<void()>& action) {
return static_cast<unsigned long>(timer_manager_->CreateTimer(
static_cast<UINT>(milliseconds.count()), false, action));
}
unsigned long WinApplication::SetInterval(
std::chrono::milliseconds milliseconds,
const std::function<void()>& action) {
return static_cast<unsigned long>(timer_manager_->CreateTimer(
static_cast<UINT>(milliseconds.count()), true, action));
}
void WinApplication::CancelTimer(unsigned long id) {
timer_manager_->KillTimer(static_cast<UINT_PTR>(id));
}
std::vector<platform::native::NativeWindow*> WinApplication::GetAllWindow() {
const auto&& windows = window_manager_->GetAllWindows();
std::vector<platform::native::NativeWindow*> result;
for (const auto w : windows) {
result.push_back(static_cast<platform::native::NativeWindow*>(w));
}
return result;
}
platform::native::NativeWindow* WinApplication::CreateWindow(
platform::native::NativeWindow* parent) {
WinNativeWindow* p = nullptr;
if (parent != nullptr) {
p = dynamic_cast<WinNativeWindow*>(parent);
assert(p);
}
return new WinNativeWindow(this, window_manager_->GetGeneralWindowClass(),
WS_OVERLAPPEDWINDOW, p);
}
} // namespace cru::win::native
|
