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author | crupest <crupest@outlook.com> | 2018-09-25 13:08:40 +0800 |
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committer | crupest <crupest@outlook.com> | 2018-09-25 13:08:40 +0800 |
commit | 4b86554a0354d78efeb40e551eaccaac0fecd1d1 (patch) | |
tree | c8a73d848401f523ff91fe8ed1b0887aa88bbfb8 /CruUI/ui/window.cpp | |
parent | cea138417c54d6cf8043b6334c22e3af957d26f8 (diff) | |
download | cru-4b86554a0354d78efeb40e551eaccaac0fecd1d1.tar.gz cru-4b86554a0354d78efeb40e551eaccaac0fecd1d1.tar.bz2 cru-4b86554a0354d78efeb40e551eaccaac0fecd1d1.zip |
Change the structure of project.
Diffstat (limited to 'CruUI/ui/window.cpp')
-rw-r--r-- | CruUI/ui/window.cpp | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/CruUI/ui/window.cpp b/CruUI/ui/window.cpp deleted file mode 100644 index 34a54512..00000000 --- a/CruUI/ui/window.cpp +++ /dev/null @@ -1,606 +0,0 @@ -#include "window.h" - -#include <fmt/format.h> - -#include "application.h" -#include "graph/graph.h" -#include "exception.h" - -namespace cru -{ - namespace ui - { - WindowClass::WindowClass(const String& name, WNDPROC window_proc, HINSTANCE h_instance) - : name_(name) - { - WNDCLASSEX window_class; - window_class.cbSize = sizeof(WNDCLASSEX); - - window_class.style = CS_HREDRAW | CS_VREDRAW; - window_class.lpfnWndProc = window_proc; - window_class.cbClsExtra = 0; - window_class.cbWndExtra = 0; - window_class.hInstance = h_instance; - window_class.hIcon = LoadIcon(NULL, IDI_APPLICATION); - window_class.hCursor = LoadCursor(NULL, IDC_ARROW); - window_class.hbrBackground = GetSysColorBrush(COLOR_BTNFACE); - window_class.lpszMenuName = NULL; - window_class.lpszClassName = name.c_str(); - window_class.hIconSm = NULL; - - atom_ = RegisterClassEx(&window_class); - if (atom_ == 0) - throw std::runtime_error("Failed to create window class."); - } - - LRESULT __stdcall GeneralWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) { - auto window = Application::GetInstance()->GetWindowManager()->FromHandle(hWnd); - - LRESULT result; - if (window != nullptr && window->HandleWindowMessage(hWnd, Msg, wParam, lParam, result)) - return result; - - return DefWindowProc(hWnd, Msg, wParam, lParam); - } - - WindowManager::WindowManager() { - general_window_class_ = std::make_unique<WindowClass>( - L"CruUIWindowClass", - GeneralWndProc, - Application::GetInstance()->GetInstanceHandle() - ); - } - - void WindowManager::RegisterWindow(HWND hwnd, Window * window) { - const auto find_result = window_map_.find(hwnd); - if (find_result != window_map_.end()) - throw std::runtime_error("The hwnd is already in the map."); - - window_map_.emplace(hwnd, window); - } - - void WindowManager::UnregisterWindow(HWND hwnd) { - const auto find_result = window_map_.find(hwnd); - if (find_result == window_map_.end()) - throw std::runtime_error("The hwnd is not in the map."); - window_map_.erase(find_result); - - if (window_map_.empty()) - Application::GetInstance()->Quit(0); - } - - Window* WindowManager::FromHandle(HWND hwnd) { - const auto find_result = window_map_.find(hwnd); - if (find_result == window_map_.end()) - return nullptr; - else - return find_result->second; - } - - Vector<Window*> WindowManager::GetAllWindows() const - { - Vector<Window*> windows; - for (auto [key, value] : window_map_) - windows.push_back(value); - return windows; - } - - inline Point PiToDip(const POINT& pi_point) - { - return Point( - graph::PixelToDipX(pi_point.x), - graph::PixelToDipY(pi_point.y) - ); - } - - Window::Window() : Control(WindowConstructorTag{}, this), control_list_({ this }) { - const auto app = Application::GetInstance(); - hwnd_ = CreateWindowEx(0, - app->GetWindowManager()->GetGeneralWindowClass()->GetName(), - L"", WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, - nullptr, nullptr, app->GetInstanceHandle(), nullptr - ); - - if (hwnd_ == nullptr) - throw std::runtime_error("Failed to create window."); - - app->GetWindowManager()->RegisterWindow(hwnd_, this); - - render_target_ = app->GetGraphManager()->CreateWindowRenderTarget(hwnd_); - } - - Window::~Window() { - Close(); - TraverseDescendants([this](Control* control) { - control->OnDetachToWindow(this); - }); - } - - void Window::Close() { - if (IsWindowValid()) - DestroyWindow(hwnd_); - } - - void Window::Repaint() { - if (IsWindowValid()) { - InvalidateRect(hwnd_, nullptr, false); - } - } - - void Window::Show() { - if (IsWindowValid()) { - ShowWindow(hwnd_, SW_SHOWNORMAL); - } - } - - void Window::Hide() { - if (IsWindowValid()) { - ShowWindow(hwnd_, SW_HIDE); - } - } - - Size Window::GetClientSize() { - if (!IsWindowValid()) - return Size(); - - const auto pixel_rect = GetClientRectPixel(); - return Size( - graph::PixelToDipX(pixel_rect.right), - graph::PixelToDipY(pixel_rect.bottom) - ); - } - - void Window::SetClientSize(const Size & size) { - if (IsWindowValid()) { - const auto window_style = static_cast<DWORD>(GetWindowLongPtr(hwnd_, GWL_STYLE)); - const auto window_ex_style = static_cast<DWORD>(GetWindowLongPtr(hwnd_, GWL_EXSTYLE)); - - RECT rect; - rect.left = 0; - rect.top = 0; - rect.right = graph::DipToPixelX(size.width); - rect.bottom = graph::DipToPixelY(size.height); - AdjustWindowRectEx(&rect, window_style, FALSE, window_ex_style); - - SetWindowPos( - hwnd_, nullptr, 0, 0, - rect.right - rect.left, - rect.bottom - rect.top, - SWP_NOZORDER | SWP_NOMOVE - ); - } - } - - Rect Window::GetWindowRect() { - if (!IsWindowValid()) - return Rect(); - - RECT rect; - ::GetWindowRect(hwnd_, &rect); - - return Rect::FromVertices( - graph::PixelToDipX(rect.left), - graph::PixelToDipY(rect.top), - graph::PixelToDipX(rect.right), - graph::PixelToDipY(rect.bottom) - ); - } - - void Window::SetWindowRect(const Rect & rect) { - if (IsWindowValid()) { - SetWindowPos( - hwnd_, nullptr, - graph::DipToPixelX(rect.left), - graph::DipToPixelY(rect.top), - graph::DipToPixelX(rect.GetRight()), - graph::DipToPixelY(rect.GetBottom()), - SWP_NOZORDER - ); - } - } - - bool Window::HandleWindowMessage(HWND hwnd, int msg, WPARAM w_param, LPARAM l_param, LRESULT & result) { - - if (!native_message_event.IsNoHandler()) - { - events::WindowNativeMessageEventArgs args(this, this, {hwnd, msg, w_param, l_param}); - native_message_event.Raise(args); - if (args.GetResult().has_value()) - { - result = args.GetResult().value(); - return true; - } - } - - switch (msg) { - case WM_PAINT: - OnPaintInternal(); - result = 0; - return true; - case WM_ERASEBKGND: - result = 1; - return true; - case WM_SETFOCUS: - OnSetFocusInternal(); - result = 0; - return true; - case WM_KILLFOCUS: - OnKillFocusInternal(); - result = 0; - return true; - case WM_MOUSEMOVE: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseMoveInternal(point); - result = 0; - return true; - } - case WM_LBUTTONDOWN: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseDownInternal(MouseButton::Left, point); - result = 0; - return true; - } - case WM_LBUTTONUP: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseUpInternal(MouseButton::Left, point); - result = 0; - return true; - } - case WM_RBUTTONDOWN: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseDownInternal(MouseButton::Right, point); - result = 0; - return true; - } - case WM_RBUTTONUP: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseUpInternal(MouseButton::Right, point); - result = 0; - return true; - } - case WM_MBUTTONDOWN: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseDownInternal(MouseButton::Middle, point); - result = 0; - return true; - } - case WM_MBUTTONUP: - { - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - OnMouseUpInternal(MouseButton::Middle, point); - result = 0; - return true; - } - case WM_KEYDOWN: - OnKeyDownInternal(static_cast<int>(w_param)); - result = 0; - return true; - case WM_KEYUP: - OnKeyUpInternal(static_cast<int>(w_param)); - result = 0; - return true; - case WM_CHAR: - OnCharInternal(static_cast<wchar_t>(w_param)); - result = 0; - return true; - case WM_SIZE: - OnResizeInternal(LOWORD(l_param), HIWORD(l_param)); - result = 0; - return true; - case WM_ACTIVATE: - if (w_param == WA_ACTIVE || w_param == WA_CLICKACTIVE) - OnActivatedInternal(); - else if (w_param == WA_INACTIVE) - OnDeactivatedInternal(); - result = 0; - return true; - case WM_DESTROY: - OnDestroyInternal(); - result = 0; - return true; - default: - return false; - } - } - - Point Window::GetMousePosition() - { - POINT point; - ::GetCursorPos(&point); - ::ScreenToClient(hwnd_, &point); - return PiToDip(point); - } - - Point Window::GetPositionRelative() - { - return Point(); - } - - void Window::SetPositionRelative(const Point & position) - { - - } - - Size Window::GetSize() - { - return GetClientSize(); - } - - void Window::SetSize(const Size & size) - { - - } - - void Window::RefreshControlList() { - control_list_.clear(); - TraverseDescendants([this](Control* control) { - this->control_list_.push_back(control); - }); - } - - Control * Window::HitTest(const Point & point) - { - for (auto i = control_list_.crbegin(); i != control_list_.crend(); ++i) { - auto control = *i; - if (control->IsPointInside(control->AbsoluteToLocal(point))) { - return control; - } - } - return nullptr; - } - - bool Window::RequestFocusFor(Control * control) - { - if (control == nullptr) - throw std::invalid_argument("The control to request focus can't be null. You can set it as the window."); - - if (!IsWindowValid()) - return false; - - if (!window_focus_) - { - focus_control_ = control; - ::SetFocus(hwnd_); - return true; // event dispatch will be done in window message handling function "OnSetFocusInternal". - } - - if (focus_control_ == control) - return true; - - DispatchEvent(focus_control_, &Control::RaiseLoseFocusEvent, nullptr, false); - - focus_control_ = control; - - DispatchEvent(control, &Control::RaiseGetFocusEvent, nullptr, false); - - return true; - } - - Control* Window::GetFocusControl() - { - return focus_control_; - } - - Control* Window::CaptureMouseFor(Control* control) - { - if (control != nullptr) - { - ::SetCapture(hwnd_); - std::swap(mouse_capture_control_, control); - DispatchMouseHoverControlChangeEvent(control ? control : mouse_hover_control_, mouse_capture_control_, GetMousePosition()); - return control; - } - else - { - return ReleaseCurrentMouseCapture(); - } - } - - Control* Window::ReleaseCurrentMouseCapture() - { - if (mouse_capture_control_) - { - const auto previous = mouse_capture_control_; - mouse_capture_control_ = nullptr; - ::ReleaseCapture(); - DispatchMouseHoverControlChangeEvent(previous, mouse_hover_control_, GetMousePosition()); - return previous; - } - else - { - return nullptr; - } - } - -#ifdef CRU_DEBUG_DRAW_CONTROL_BORDER - void Window::SetDebugDrawControlBorder(const bool value) - { - if (debug_draw_control_border_ != value) - { - debug_draw_control_border_ = value; - Repaint(); - } - } -#endif - - RECT Window::GetClientRectPixel() { - RECT rect{ }; - GetClientRect(hwnd_, &rect); - return rect; - } - - bool Window::IsMessageInQueue(UINT message) - { - MSG msg; - return ::PeekMessageW(&msg, hwnd_, message, message, PM_NOREMOVE) != 0; - } - - void Window::OnDestroyInternal() { - Application::GetInstance()->GetWindowManager()->UnregisterWindow(hwnd_); - hwnd_ = nullptr; - } - - void Window::OnPaintInternal() { - render_target_->SetAsTarget(); - - auto device_context = render_target_->GetD2DDeviceContext(); - - device_context->BeginDraw(); - - //Clear the background. - device_context->Clear(D2D1::ColorF(D2D1::ColorF::White)); - - Draw(device_context.Get()); - - ThrowIfFailed( - device_context->EndDraw(), "Failed to draw window." - ); - - render_target_->Present(); - - ValidateRect(hwnd_, nullptr); - } - - void Window::OnResizeInternal(int new_width, int new_height) { - render_target_->ResizeBuffer(new_width, new_height); - Relayout(); - } - - void Window::OnSetFocusInternal() - { - window_focus_ = true; - DispatchEvent(focus_control_, &Control::RaiseGetFocusEvent, nullptr, true); - } - - void Window::OnKillFocusInternal() - { - window_focus_ = false; - DispatchEvent(focus_control_, &Control::RaiseLoseFocusEvent, nullptr, true); - } - - void Window::OnMouseMoveInternal(const POINT point) - { - const auto dip_point = PiToDip(point); - - //when mouse was previous outside the window - if (mouse_hover_control_ == nullptr) { - //invoke TrackMouseEvent to have WM_MOUSELEAVE sent. - TRACKMOUSEEVENT tme; - tme.cbSize = sizeof tme; - tme.dwFlags = TME_LEAVE; - tme.hwndTrack = hwnd_; - - TrackMouseEvent(&tme); - } - - //Find the first control that hit test succeed. - const auto new_control_mouse_hover = HitTest(dip_point); - const auto old_control_mouse_hover = mouse_hover_control_; - mouse_hover_control_ = new_control_mouse_hover; - - if (mouse_capture_control_) // if mouse is captured - { - DispatchEvent(mouse_capture_control_, &Control::RaiseMouseMoveEvent, nullptr, dip_point); - } - else - { - DispatchMouseHoverControlChangeEvent(old_control_mouse_hover, new_control_mouse_hover, dip_point); - DispatchEvent(new_control_mouse_hover, &Control::RaiseMouseMoveEvent, nullptr, dip_point); - } - } - - void Window::OnMouseLeaveInternal() - { - DispatchEvent(mouse_hover_control_, &Control::RaiseMouseLeaveEvent, nullptr); - mouse_hover_control_ = nullptr; - } - - void Window::OnMouseDownInternal(MouseButton button, POINT point) - { - const auto dip_point = PiToDip(point); - - Control* control; - - if (mouse_capture_control_) - control = mouse_capture_control_; - else - control = HitTest(dip_point); - - DispatchEvent(control, &Control::RaiseMouseDownEvent, nullptr, dip_point, button); - } - - void Window::OnMouseUpInternal(MouseButton button, POINT point) - { - const auto dip_point = PiToDip(point); - - Control* control; - - if (mouse_capture_control_) - control = mouse_capture_control_; - else - control = HitTest(dip_point); - - DispatchEvent(control, &Control::RaiseMouseUpEvent, nullptr, dip_point, button); - } - - void Window::OnKeyDownInternal(int virtual_code) - { - DispatchEvent(focus_control_, &Control::RaiseKeyDownEvent, nullptr, virtual_code); - } - - void Window::OnKeyUpInternal(int virtual_code) - { - DispatchEvent(focus_control_, &Control::RaiseKeyUpEvent, nullptr, virtual_code); - } - - void Window::OnCharInternal(wchar_t c) - { - DispatchEvent(focus_control_, &Control::RaiseCharEvent, nullptr, c); - } - - void Window::OnActivatedInternal() - { - events::UiEventArgs args(this, this); - activated_event.Raise(args); - } - - void Window::OnDeactivatedInternal() - { - events::UiEventArgs args(this, this); - deactivated_event.Raise(args); - } - - void Window::DispatchMouseHoverControlChangeEvent(Control* old_control, Control* new_control, const Point& point) - { - if (new_control != old_control) //if the mouse-hover-on control changed - { - const auto lowest_common_ancestor = FindLowestCommonAncestor(old_control, new_control); - if (old_control != nullptr) // if last mouse-hover-on control exists - DispatchEvent(old_control, &Control::RaiseMouseLeaveEvent, lowest_common_ancestor); // dispatch mouse leave event. - if (new_control != nullptr) - DispatchEvent(new_control, &Control::RaiseMouseEnterEvent, lowest_common_ancestor, point); // dispatch mouse enter event. - } - } - } -} |