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author | crupest <crupest@outlook.com> | 2019-03-31 19:48:20 +0800 |
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committer | crupest <crupest@outlook.com> | 2019-03-31 19:48:20 +0800 |
commit | 8ca0873597eb05a2f120d3ea107660abcff4533c (patch) | |
tree | f2089ad1a420ae0f21ba0d84b5031de3b5e489ca /src/ui | |
parent | 9cc0f5d9192288116443254d790aa9ab36572b8d (diff) | |
download | cru-8ca0873597eb05a2f120d3ea107660abcff4533c.tar.gz cru-8ca0873597eb05a2f120d3ea107660abcff4533c.tar.bz2 cru-8ca0873597eb05a2f120d3ea107660abcff4533c.zip |
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Diffstat (limited to 'src/ui')
-rw-r--r-- | src/ui/events/window_event.hpp | 42 | ||||
-rw-r--r-- | src/ui/window.cpp | 154 | ||||
-rw-r--r-- | src/ui/window.hpp | 65 |
3 files changed, 1 insertions, 260 deletions
diff --git a/src/ui/events/window_event.hpp b/src/ui/events/window_event.hpp deleted file mode 100644 index 21c644af..00000000 --- a/src/ui/events/window_event.hpp +++ /dev/null @@ -1,42 +0,0 @@ -#pragma once -#include "pre.hpp" - -#include <Windows.h> - -#include "ui_event.hpp" - -namespace cru::ui::events { -struct WindowNativeMessage { - HWND hwnd; - int msg; - WPARAM w_param; - LPARAM l_param; -}; - -class WindowNativeMessageEventArgs : public UiEventArgs { - public: - WindowNativeMessageEventArgs(Object* sender, Object* original_sender, - const WindowNativeMessage& message) - : UiEventArgs(sender, original_sender), - message_(message), - result_(std::nullopt) {} - WindowNativeMessageEventArgs(const WindowNativeMessageEventArgs& other) = - default; - WindowNativeMessageEventArgs(WindowNativeMessageEventArgs&& other) = default; - WindowNativeMessageEventArgs& operator=( - const WindowNativeMessageEventArgs& other) = default; - WindowNativeMessageEventArgs& operator=( - WindowNativeMessageEventArgs&& other) = default; - ~WindowNativeMessageEventArgs() override = default; - - WindowNativeMessage GetWindowMessage() const { return message_; } - - std::optional<LRESULT> GetResult() const { return result_; } - - void SetResult(const std::optional<LRESULT> result) { result_ = result; } - - private: - WindowNativeMessage message_; - std::optional<LRESULT> result_; -}; -} diff --git a/src/ui/window.cpp b/src/ui/window.cpp index 91319db7..d138424f 100644 --- a/src/ui/window.cpp +++ b/src/ui/window.cpp @@ -97,54 +97,6 @@ Control* FindLowestCommonAncestor(Control* left, Control* right) { } } // namespace -LRESULT __stdcall GeneralWndProc(HWND hWnd, UINT Msg, WPARAM wParam, - LPARAM lParam) { - auto window = WindowManager::GetInstance()->FromHandle(hWnd); - - LRESULT result; - if (window != nullptr && - window->HandleWindowMessage(hWnd, Msg, wParam, lParam, result)) - return result; - - return DefWindowProc(hWnd, Msg, wParam, lParam); -} - -WindowManager* WindowManager::GetInstance() { - return Application::GetInstance()->ResolveSingleton<WindowManager>( - [](auto) { return new WindowManager{}; }); -} - -WindowManager::WindowManager() { - general_window_class_ = std::make_unique<WindowClass>( - L"CruUIWindowClass", GeneralWndProc, - Application::GetInstance()->GetInstanceHandle()); -} - -void WindowManager::RegisterWindow(HWND hwnd, Window* window) { - assert(window_map_.count(hwnd) == 0); // 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); - assert(find_result != window_map_.end()); // 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; -} - -std::vector<Window*> WindowManager::GetAllWindows() const { - std::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)); @@ -217,10 +169,7 @@ void Window::AfterCreateHwnd(WindowManager* window_manager) { } Window::~Window() { - if (IsWindowValid()) { - SetDeleteThisOnDestroy(false); // avoid double delete. - Close(); - } + TraverseDescendants( [this](Control* control) { control->OnDetachToWindow(this); }); } @@ -231,107 +180,6 @@ render::RenderObject* Window::GetRenderObject() const { return render_object_.get(); } -void Window::SetDeleteThisOnDestroy(bool value) { - delete_this_on_destroy_ = value; -} - -void Window::Close() { - if (IsWindowValid()) DestroyWindow(hwnd_); -} - -void Window::InvalidateDraw() { - 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); - } -} - -void Window::SetWindowPosition(const Point& position) { - if (IsWindowValid()) { - SetWindowPos(hwnd_, nullptr, graph::DipToPixelX(position.x), - graph::DipToPixelY(position.y), 0, 0, - SWP_NOZORDER | SWP_NOSIZE); - } -} - -Point Window::PointToScreen(const Point& point) { - if (!IsWindowValid()) return Point::Zero(); - - auto p = DipToPi(point); - if (::ClientToScreen(GetWindowHandle(), &p) == 0) - throw Win32Error(::GetLastError(), - "Failed transform point from window to screen."); - return PiToDip(p); -} - -Point Window::PointFromScreen(const Point& point) { - if (!IsWindowValid()) return Point::Zero(); - - auto p = DipToPi(point); - if (::ScreenToClient(GetWindowHandle(), &p) == 0) - throw Win32Error(::GetLastError(), - "Failed transform point from screen to window."); - return PiToDip(p); -} - bool Window::HandleWindowMessage(HWND hwnd, int msg, WPARAM w_param, LPARAM l_param, LRESULT& result) { events::WindowNativeMessageEventArgs args(this, this, diff --git a/src/ui/window.hpp b/src/ui/window.hpp index f1d5386f..1e480454 100644 --- a/src/ui/window.hpp +++ b/src/ui/window.hpp @@ -19,45 +19,7 @@ class WindowRenderObject; } namespace cru::ui { -class WindowManager : public Object { - public: - static WindowManager* GetInstance(); - - private: - WindowManager(); - - public: - WindowManager(const WindowManager& other) = delete; - WindowManager(WindowManager&& other) = delete; - WindowManager& operator=(const WindowManager& other) = delete; - WindowManager& operator=(WindowManager&& other) = delete; - ~WindowManager() override = default; - - // Get the general window class for creating ordinary window. - WindowClass* GetGeneralWindowClass() const { - return general_window_class_.get(); - } - - // Register a window newly created. - // This function adds the hwnd to hwnd-window map. - // It should be called immediately after a window was created. - void RegisterWindow(HWND hwnd, Window* window); - - // Unregister a window that is going to be destroyed. - // This function removes the hwnd from the hwnd-window map. - // It should be called immediately before a window is going to be destroyed, - void UnregisterWindow(HWND hwnd); - // Return a pointer to the Window object related to the HWND or nullptr if the - // hwnd is not in the map. - Window* FromHandle(HWND hwnd); - - std::vector<Window*> GetAllWindows() const; - - private: - std::unique_ptr<WindowClass> general_window_class_; - std::map<HWND, Window*> window_map_; -}; class Window final : public ContentControl { friend class WindowManager; @@ -91,34 +53,11 @@ class Window final : public ContentControl { render::RenderObject* GetRenderObject() const override; - void SetDeleteThisOnDestroy(bool value); - - //*************** region: handle *************** - // Get the handle of the window. Return null if window is invalid. - HWND GetWindowHandle() const { return hwnd_; } - // Return if the window is still valid, that is, hasn't been closed or - // destroyed. - bool IsWindowValid() const { return hwnd_ != nullptr; } //*************** region: window operations *************** - Window* GetParentWindow() const { return parent_window_; } - - // Close and destroy the window if the window is valid. - void Close(); - - // Send a repaint message to the window's message queue which may make the - // window repaint. - void InvalidateDraw(); - - // Show the window. - void Show(); - - // Hide thw window. - void Hide(); - // Get the client size. Size GetClientSize(); @@ -222,10 +161,6 @@ class Window final : public ContentControl { const Point& point); private: - bool delete_this_on_destroy_ = true; - - HWND hwnd_ = nullptr; - Window* parent_window_ = nullptr; std::shared_ptr<graph::WindowRenderTarget> render_target_{}; std::shared_ptr<render::WindowRenderObject> render_object_{}; |