diff options
Diffstat (limited to 'src/platform_win/win_native_window.cpp')
| -rw-r--r-- | src/platform_win/win_native_window.cpp | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/src/platform_win/win_native_window.cpp b/src/platform_win/win_native_window.cpp deleted file mode 100644 index 3f34717f..00000000 --- a/src/platform_win/win_native_window.cpp +++ /dev/null @@ -1,336 +0,0 @@ -#include "cru/platform/win/win_native_window.hpp" - -#include "cru/platform/win/exception.hpp" -#include "cru/platform/win/win_application.hpp" -#include "cru/platform/win/win_painter.hpp" -#include "cru/platform/win/window_class.hpp" -#include "cru/platform/win/window_render_target.hpp" -#include "dpi_util.hpp" -#include "window_manager.hpp" - -#include <assert.h> -#include <windowsx.h> - -namespace cru::platform::win { -WinNativeWindow::WinNativeWindow(WinApplication* application, - std::shared_ptr<WindowClass> window_class, - DWORD window_style, WinNativeWindow* parent) { - assert(application); // application can't be null. - assert(parent == nullptr || - parent->IsValid()); // Parent window is not valid. - - application_ = application; - parent_window_ = parent; - - const auto window_manager = application->GetWindowManager(); - - hwnd_ = CreateWindowExW( - 0, window_manager->GetGeneralWindowClass()->GetName(), L"", window_style, - CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, - parent == nullptr ? nullptr : parent->GetWindowHandle(), nullptr, - application->GetInstanceHandle(), nullptr); - - if (hwnd_ == nullptr) - throw Win32Error(::GetLastError(), "Failed to create window."); - - window_manager->RegisterWindow(hwnd_, this); - - window_render_target_.reset( - new WindowRenderTarget(application->GetGraphManager(), hwnd_)); -} - -WinNativeWindow::~WinNativeWindow() { - if (IsValid()) { - SetDeleteThisOnDestroy(false); // avoid double delete. - Close(); - } -} - -bool WinNativeWindow::IsValid() { return hwnd_ != nullptr; } - -void WinNativeWindow::SetDeleteThisOnDestroy(bool value) { - delete_this_on_destroy_ = value; -} - -void WinNativeWindow::Close() { - if (IsValid()) DestroyWindow(hwnd_); -} - -bool WinNativeWindow::IsVisible() { - if (IsValid()) return ::IsWindowVisible(hwnd_); - return false; -} - -void WinNativeWindow::SetVisible(bool is_visible) { - if (!IsValid()) return; - is_visible ? ShowWindow(hwnd_, SW_SHOWNORMAL) : ShowWindow(hwnd_, SW_HIDE); -} -ui::Size WinNativeWindow::GetClientSize() { - if (!IsValid()) return ui::Size{}; - - const auto pixel_rect = GetClientRectPixel(); - return ui::Size(PixelToDipX(pixel_rect.right), - PixelToDipY(pixel_rect.bottom)); -} - -void WinNativeWindow::SetClientSize(const ui::Size& size) { - if (IsValid()) { - 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 = DipToPixelX(size.width); - rect.bottom = DipToPixelY(size.height); - if (!AdjustWindowRectEx(&rect, window_style, FALSE, window_ex_style)) - throw Win32Error(::GetLastError(), - "Failed to invoke AdjustWindowRectEx."); - - if (!SetWindowPos(hwnd_, nullptr, 0, 0, rect.right - rect.left, - rect.bottom - rect.top, SWP_NOZORDER | SWP_NOMOVE)) - throw Win32Error(::GetLastError(), "Failed to invoke SetWindowPos."); - } -} - -ui::Rect WinNativeWindow::GetWindowRect() { - if (!IsValid()) return ui::Rect{}; - - RECT rect; - if (!::GetWindowRect(hwnd_, &rect)) - throw Win32Error(::GetLastError(), "Failed to invoke GetWindowRect."); - - return ui::Rect::FromVertices(PixelToDipX(rect.left), PixelToDipY(rect.top), - PixelToDipX(rect.right), - PixelToDipY(rect.bottom)); -} - -void WinNativeWindow::SetWindowRect(const ui::Rect& rect) { - if (IsValid()) { - if (!SetWindowPos(hwnd_, nullptr, DipToPixelX(rect.left), - DipToPixelY(rect.top), DipToPixelX(rect.GetRight()), - DipToPixelY(rect.GetBottom()), SWP_NOZORDER)) - throw Win32Error(::GetLastError(), "Failed to invoke SetWindowPos."); - } -} - -Painter* WinNativeWindow::BeginPaint() { - return new WinPainter(this); } - -bool WinNativeWindow::HandleNativeWindowMessage(HWND hwnd, UINT msg, - WPARAM w_param, LPARAM l_param, - LRESULT* result) { - WindowNativeMessageEventArgs args{ - WindowNativeMessage{hwnd, msg, w_param, l_param}}; - native_message_event_.Raise(args); - if (args.IsHandled()) { - *result = args.GetResult(); - 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_MOUSEWHEEL: - POINT point; - point.x = GET_X_LPARAM(l_param); - point.y = GET_Y_LPARAM(l_param); - ScreenToClient(hwnd, &point); - OnMouseWheelInternal(GET_WHEEL_DELTA_WPARAM(w_param), 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; - } -} - -RECT WinNativeWindow::GetClientRectPixel() { - RECT rect; - if (!GetClientRect(hwnd_, &rect)) - throw Win32Error(::GetLastError(), "Failed to invoke GetClientRect."); - return rect; -} - -void WinNativeWindow::OnDestroyInternal() { - application_->GetWindowManager()->UnregisterWindow(hwnd_); - hwnd_ = nullptr; - if (delete_this_on_destroy_) - application_->InvokeLater([this] { delete this; }); -} - -void WinNativeWindow::OnPaintInternal() { - paint_event_.Raise(); - ValidateRect(hwnd_, nullptr); -} - -void WinNativeWindow::OnResizeInternal(const int new_width, - const int new_height) { - if (!(new_width == 0 && new_height == 0)) { - window_render_target_->ResizeBuffer(new_width, new_height); - resize_event_.Raise( - ui::Size{PixelToDipX(new_width), PixelToDipY(new_height)}); - } -} - -void WinNativeWindow::OnSetFocusInternal() { - has_focus_ = true; - focus_event_.Raise(true); -} - -void WinNativeWindow::OnKillFocusInternal() { - has_focus_ = false; - focus_event_.Raise(false); -} - -inline ui::Point PiToDip(const POINT& pi_point) { - return ui::Point(PixelToDipX(pi_point.x), PixelToDipY(pi_point.y)); -} - -void WinNativeWindow::OnMouseMoveInternal(const POINT point) { - // when mouse was previous outside the window - if (!is_mouse_in_) { - // invoke TrackMouseEvent to have WM_MOUSELEAVE sent. - TRACKMOUSEEVENT tme; - tme.cbSize = sizeof tme; - tme.dwFlags = TME_LEAVE; - tme.hwndTrack = hwnd_; - - TrackMouseEvent(&tme); - - is_mouse_in_ = true; - mouse_enter_leave_event_.Raise(true); - } - - const auto dip_point = PiToDip(point); - mouse_move_event_.Raise(dip_point); -} - -void WinNativeWindow::OnMouseLeaveInternal() { - is_mouse_in_ = false; - mouse_enter_leave_event_.Raise(false); -} - -void WinNativeWindow::OnMouseDownInternal(MouseButton button, POINT point) { - const auto dip_point = PiToDip(point); - mouse_down_event_.Raise(button, dip_point); -} - -void WinNativeWindow::OnMouseUpInternal(MouseButton button, POINT point) { - const auto dip_point = PiToDip(point); - mouse_up_event_.Raise(button, dip_point); -} - -void WinNativeWindow::OnMouseWheelInternal(short delta, POINT point) {} - -void WinNativeWindow::OnKeyDownInternal(int virtual_code) { - key_down_event_.Raise(virtual_code); -} - -void WinNativeWindow::OnKeyUpInternal(int virtual_code) { - key_up_event_.Raise(virtual_code); -} - -void WinNativeWindow::OnCharInternal(wchar_t c) {} - -void WinNativeWindow::OnActivatedInternal() {} - -void WinNativeWindow::OnDeactivatedInternal() {} -} // namespace cru::platform::win |