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#include "cru/platform/gui/sdl/Window.h"
#include "cru/base/Base.h"
#include "cru/platform/GraphicsBase.h"
#include "cru/platform/graphics/NullPainter.h"
#include "cru/platform/graphics/Painter.h"
#include "cru/platform/gui/Window.h"
#include "cru/platform/gui/sdl/Base.h"
#include "cru/platform/gui/sdl/UiApplication.h"
#include <SDL3/SDL_video.h>
#include <cairo-xcb.h>
#include <cairo.h>
#include <cassert>
#include <memory>
#include <optional>
namespace cru::platform::gui::sdl {
SdlWindow::SdlWindow(SdlUiApplication* application)
: application_(application),
client_rect_(100, 100, 400, 200),
parent_(nullptr) {
application->RegisterWindow(this);
}
SdlWindow::~SdlWindow() { application_->UnregisterWindow(this); }
bool SdlWindow::IsCreated() { return sdl_window_.has_value(); }
void SdlWindow::Close() {
if (sdl_window_) {
SDL_DestroyWindow(*sdl_window_);
}
}
INativeWindow* SdlWindow::GetParent() { return parent_; }
void SdlWindow::SetParent(INativeWindow* parent) {
parent_ = CheckPlatform<SdlWindow>(parent, GetPlatformId());
if (parent_ != nullptr) {
parent_create_guard_.Reset(
parent_->CreateEvent()->AddSpyOnlyHandler([this] {
if (sdl_window_) {
DoUpdateParent();
}
}));
}
if (sdl_window_) {
DoUpdateParent();
}
}
WindowStyleFlag SdlWindow::GetStyleFlag() { return style_; }
void SdlWindow::SetStyleFlag(WindowStyleFlag flag) {
style_ = flag;
if (sdl_window_) {
DoUpdateStyleFlag();
}
}
std::string SdlWindow::GetTitle() { return title_; }
void SdlWindow::SetTitle(std::string title) {
title_ = std::move(title);
if (sdl_window_) {
DoUpdateTitle();
}
}
WindowVisibilityType SdlWindow::GetVisibility() {
if (!sdl_window_) return WindowVisibilityType::Hide;
auto flags = SDL_GetWindowFlags(*sdl_window_);
if (flags & SDL_WINDOW_HIDDEN) {
return WindowVisibilityType::Hide;
}
if (flags & SDL_WINDOW_MINIMIZED) {
return WindowVisibilityType::Minimize;
}
return WindowVisibilityType::Show;
}
void SdlWindow::SetVisibility(WindowVisibilityType visibility) {
if (visibility == WindowVisibilityType::Hide) {
if (sdl_window_) {
CheckSdlReturn(SDL_HideWindow(*sdl_window_));
}
} else if (visibility == WindowVisibilityType::Minimize) {
if (!sdl_window_) {
DoCreateWindow();
}
CheckSdlReturn(SDL_MinimizeWindow(*sdl_window_));
} else {
if (!sdl_window_) {
DoCreateWindow();
}
CheckSdlReturn(SDL_ShowWindow(*sdl_window_));
}
}
Size SdlWindow::GetClientSize() { return GetClientRect().GetSize(); }
void SdlWindow::SetClientSize(const Size& size) {
auto rect = GetClientRect();
SetClientRect(Rect(rect.GetLeftTop(), size));
}
Rect SdlWindow::GetClientRect() {
if (!sdl_window_) return {};
return client_rect_;
}
void SdlWindow::SetClientRect(const Rect& rect) {
client_rect_ = rect;
if (sdl_window_) {
DoUpdateClientRect();
}
}
Rect SdlWindow::GetWindowRect() {
if (!sdl_window_) return {};
return client_rect_.Expand(GetBorderThickness());
}
void SdlWindow::SetWindowRect(const Rect& rect) {
SetClientRect(rect.Shrink(GetBorderThickness()));
}
bool SdlWindow::RequestFocus() {
if (!sdl_window_) return false;
NotImplemented();
}
Point SdlWindow::GetMousePosition() { NotImplemented(); }
bool SdlWindow::CaptureMouse() {
if (!sdl_window_) return false;
NotImplemented();
}
bool SdlWindow::ReleaseMouse() {
if (!sdl_window_) return false;
NotImplemented();
}
void SdlWindow::SetCursor(std::shared_ptr<ICursor> cursor) {
if (!sdl_window_) return;
NotImplemented();
}
void SdlWindow::SetToForeground() {
SetVisibility(WindowVisibilityType::Show);
NotImplemented();
}
void SdlWindow::RequestRepaint() {
if (!sdl_window_) return;
NotImplemented();
}
std::unique_ptr<graphics::IPainter> SdlWindow::BeginPaint() {
if (!sdl_window_.has_value()) {
return std::make_unique<graphics::NullPainter>();
}
NotImplemented();
}
IInputMethodContext* SdlWindow::GetInputMethodContext() { NotImplemented(); }
std::optional<SDL_Window*> SdlWindow::GetSdlWindow() { return sdl_window_; }
SdlUiApplication* SdlWindow::GetSdlUiApplication() { return application_; }
float SdlWindow::GetDisplayScale() {
if (!sdl_window_) return 1.f;
auto scale = SDL_GetWindowDisplayScale(*sdl_window_);
if (scale == 0.f) {
throw SdlException("Failed to get window display scale.");
}
return scale;
}
Thickness SdlWindow::GetBorderThickness() {
if (!sdl_window_) return {};
int top, left, bottom, right;
CheckSdlReturn(
SDL_GetWindowBordersSize(*sdl_window_, &top, &left, &bottom, &right));
return {static_cast<float>(left), static_cast<float>(top),
static_cast<float>(right), static_cast<float>(bottom)};
}
void SdlWindow::DoCreateWindow() { NotImplemented(); }
void SdlWindow::DoUpdateClientRect() {
assert(sdl_window_);
CheckSdlReturn(
SDL_SetWindowPosition(*sdl_window_, client_rect_.left, client_rect_.top));
CheckSdlReturn(
SDL_SetWindowSize(*sdl_window_, client_rect_.width, client_rect_.height));
CheckSdlReturn(SDL_SyncWindow(*sdl_window_));
}
void SdlWindow::DoUpdateParent() {
assert(sdl_window_);
CheckSdlReturn(SDL_SetWindowParent(
*sdl_window_,
parent_ == nullptr ? nullptr : parent_->sdl_window_.value_or(nullptr)));
CheckSdlReturn(SDL_SyncWindow(*sdl_window_));
}
void SdlWindow::DoUpdateStyleFlag() {
assert(sdl_window_);
CheckSdlReturn(SDL_SetWindowBordered(
*sdl_window_, !style_.Has(WindowStyleFlags::NoCaptionAndBorder)));
CheckSdlReturn(SDL_SyncWindow(*sdl_window_));
}
void SdlWindow::DoUpdateTitle() {
assert(sdl_window_);
CheckSdlReturn(SDL_SetWindowTitle(*sdl_window_, title_.c_str()));
CheckSdlReturn(SDL_SyncWindow(*sdl_window_));
}
} // namespace cru::platform::gui::sdl
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