diff options
Diffstat (limited to 'client/SDL/sdl_window.cpp')
| -rw-r--r-- | client/SDL/sdl_window.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/client/SDL/sdl_window.cpp b/client/SDL/sdl_window.cpp new file mode 100644 index 0000000..c5437bc --- /dev/null +++ b/client/SDL/sdl_window.cpp @@ -0,0 +1,203 @@ +/** + * 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 false; + if (!SDL_SetClipRect(screen, &dstRect)) + return false; + 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); +} |