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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* SDL Client
*
* Copyright 2023 Armin Novak <armin.novak@thincast.com>
* Copyright 2023 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sdl_window.hpp"
#include "sdl_utils.hpp"
SdlWindow::SdlWindow(const std::string& title, Sint32 startupX, Sint32 startupY, Sint32 width,
Sint32 height, Uint32 flags)
: _window(SDL_CreateWindow(title.c_str(), startupX, startupY, width, height, flags)),
_offset_x(0), _offset_y(0)
{
}
SdlWindow::SdlWindow(SdlWindow&& other)
: _window(other._window), _offset_x(other._offset_x), _offset_y(other._offset_y)
{
other._window = nullptr;
}
SdlWindow::~SdlWindow()
{
SDL_DestroyWindow(_window);
}
Uint32 SdlWindow::id() const
{
if (!_window)
return 0;
return SDL_GetWindowID(_window);
}
int SdlWindow::displayIndex() const
{
if (!_window)
return 0;
return SDL_GetWindowDisplayIndex(_window);
}
SDL_Rect SdlWindow::rect() const
{
SDL_Rect rect = {};
if (_window)
{
SDL_GetWindowPosition(_window, &rect.x, &rect.y);
SDL_GetWindowSize(_window, &rect.w, &rect.h);
}
return rect;
}
SDL_Window* SdlWindow::window() const
{
return _window;
}
Sint32 SdlWindow::offsetX() const
{
return _offset_x;
}
void SdlWindow::setOffsetX(Sint32 x)
{
_offset_x = x;
}
void SdlWindow::setOffsetY(Sint32 y)
{
_offset_y = y;
}
Sint32 SdlWindow::offsetY() const
{
return _offset_y;
}
bool SdlWindow::grabKeyboard(bool enable)
{
if (!_window)
return false;
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowKeyboardGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
return true;
#else
SDL_LogError(SDL_LOG_CATEGORY_INPUT, "Keyboard grabbing not supported by SDL2 < 2.0.16");
return false;
#endif
}
bool SdlWindow::grabMouse(bool enable)
{
if (!_window)
return false;
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowMouseGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
#else
SDL_SetWindowGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
#endif
return true;
}
void SdlWindow::setBordered(bool bordered)
{
if (_window)
SDL_SetWindowBordered(_window, bordered ? SDL_TRUE : SDL_FALSE);
}
void SdlWindow::raise()
{
SDL_RaiseWindow(_window);
}
void SdlWindow::resizeable(bool use)
{
SDL_SetWindowResizable(_window, use ? SDL_TRUE : SDL_FALSE);
}
void SdlWindow::fullscreen(bool enter)
{
auto curFlags = SDL_GetWindowFlags(_window);
if (enter)
{
if (!(curFlags & SDL_WINDOW_BORDERLESS))
{
auto idx = SDL_GetWindowDisplayIndex(_window);
SDL_DisplayMode mode = {};
SDL_GetCurrentDisplayMode(idx, &mode);
SDL_RestoreWindow(_window); // Maximize so we can see the caption and
// bits
SDL_SetWindowBordered(_window, SDL_FALSE);
SDL_SetWindowPosition(_window, 0, 0);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowAlwaysOnTop(_window, SDL_TRUE);
#endif
SDL_RaiseWindow(_window);
SDL_SetWindowSize(_window, mode.w, mode.h);
}
}
else
{
if (curFlags & SDL_WINDOW_BORDERLESS)
{
SDL_SetWindowBordered(_window, SDL_TRUE);
#if SDL_VERSION_ATLEAST(2, 0, 16)
SDL_SetWindowAlwaysOnTop(_window, SDL_FALSE);
#endif
SDL_RaiseWindow(_window);
SDL_MinimizeWindow(_window); // Maximize so we can see the caption and bits
SDL_MaximizeWindow(_window); // Maximize so we can see the caption and bits
}
}
}
bool SdlWindow::fill(Uint8 r, Uint8 g, Uint8 b, Uint8 a)
{
auto surface = SDL_GetWindowSurface(_window);
if (!surface)
return false;
SDL_Rect rect = { 0, 0, surface->w, surface->h };
auto color = SDL_MapRGBA(surface->format, r, g, b, a);
SDL_FillRect(surface, &rect, color);
return true;
}
bool SdlWindow::blit(SDL_Surface* surface, const SDL_Rect& srcRect, SDL_Rect& dstRect)
{
auto screen = SDL_GetWindowSurface(_window);
if (!screen || !surface)
return false;
if (!SDL_SetClipRect(surface, &srcRect))
return true;
if (!SDL_SetClipRect(screen, &dstRect))
return true;
auto rc = SDL_BlitScaled(surface, &srcRect, screen, &dstRect);
if (rc != 0)
{
SDL_LogError(SDL_LOG_CATEGORY_RENDER, "SDL_BlitScaled: %s [%d]", sdl_error_string(rc), rc);
}
return rc == 0;
}
void SdlWindow::updateSurface()
{
SDL_UpdateWindowSurface(_window);
}
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