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SdlWindow Class Reference

#include <sdl_window.hpp>

Public Member Functions

 SdlWindow (const std::string &title, Sint32 startupX, Sint32 startupY, Sint32 width, Sint32 height, Uint32 flags)
 
 SdlWindow (const SdlWindow &other)=delete
 
 SdlWindow (SdlWindow &&other) noexcept
 
SdlWindowoperator= (const SdlWindow &other)=delete
 
SdlWindowoperator= (SdlWindow &&other)=delete
 
Uint32 id () const
 
int displayIndex () const
 
SDL_Rect rect () const
 
SDL_Window * window () const
 
Sint32 offsetX () const
 
void setOffsetX (Sint32 x)
 
void setOffsetY (Sint32 y)
 
Sint32 offsetY () const
 
bool grabKeyboard (bool enable)
 
bool grabMouse (bool enable)
 
void setBordered (bool bordered)
 
void raise ()
 
void resizeable (bool use)
 
void fullscreen (bool enter)
 
void minimize ()
 
bool fill (Uint8 r=0x00, Uint8 g=0x00, Uint8 b=0x00, Uint8 a=0xff)
 
bool blit (SDL_Surface *surface, SDL_Rect src, SDL_Rect &dst)
 
void updateSurface ()
 
 SdlWindow (SdlWindow &&other) noexcept
 
 SdlWindow (const SdlWindow &other)=delete
 
SdlWindowoperator= (const SdlWindow &other)=delete
 
SdlWindowoperator= (SdlWindow &&other)=delete
 
SDL_WindowID id () const
 
SDL_DisplayID displayIndex () const
 
SDL_Rect rect () const
 
SDL_Rect bounds () const
 
SDL_Window * window () const
 
Sint32 offsetX () const
 
void setOffsetX (Sint32 x)
 
void setOffsetY (Sint32 y)
 
Sint32 offsetY () const
 
rdpMonitor monitor (bool isPrimary) const
 
float scale () const
 
SDL_DisplayOrientation orientation () const
 
bool grabKeyboard (bool enable)
 
bool grabMouse (bool enable)
 
void setBordered (bool bordered)
 
void raise ()
 
void resizeable (bool use)
 
void fullscreen (bool enter)
 
void minimize ()
 
bool resize (const SDL_Point &size)
 
bool drawRect (SDL_Surface *surface, SDL_Point offset, const SDL_Rect &srcRect)
 
bool drawRects (SDL_Surface *surface, SDL_Point offset, const std::vector< SDL_Rect > &rects={})
 
bool drawScaledRect (SDL_Surface *surface, const SDL_FPoint &scale, const SDL_Rect &srcRect)
 
bool drawScaledRects (SDL_Surface *surface, const SDL_FPoint &scale, const std::vector< SDL_Rect > &rects={})
 
bool fill (Uint8 r=0x00, Uint8 g=0x00, Uint8 b=0x00, Uint8 a=0xff)
 
bool blit (SDL_Surface *surface, const SDL_Rect &src, SDL_Rect &dst)
 
void updateSurface ()
 

Static Public Member Functions

static SdlWindow create (SDL_DisplayID id, const std::string &title, Uint32 flags, Uint32 width=0, Uint32 height=0)
 

Protected Member Functions

 SdlWindow (const std::string &title, const SDL_Rect &rect, Uint32 flags)
 

Detailed Description

FreeRDP: A Remote Desktop Protocol Implementation SDL Client

Copyright 2023 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m 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.

Definition at line 25 of file SDL2/sdl_window.hpp.

Constructor & Destructor Documentation

◆ SdlWindow() [1/3]

SdlWindow::SdlWindow ( const std::string &  title,
Sint32  startupX,
Sint32  startupY,
Sint32  width,
Sint32  height,
Uint32  flags 
)

FreeRDP: A Remote Desktop Protocol Implementation SDL Client

Copyright 2023 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m 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.

Definition at line 23 of file SDL2/sdl_window.cpp.

25 : _window(SDL_CreateWindow(title.c_str(), startupX, startupY, width, height, flags))
26{
27}

◆ SdlWindow() [2/3]

SdlWindow::SdlWindow ( SdlWindow &&  other)
noexcept

Definition at line 29 of file SDL2/sdl_window.cpp.

30 : _window(other._window), _offset_x(other._offset_x), _offset_y(other._offset_y)
31{
32 other._window = nullptr;
33}

◆ ~SdlWindow()

SdlWindow::~SdlWindow ( )

Definition at line 35 of file SDL2/sdl_window.cpp.

36{
37 SDL_DestroyWindow(_window);
38}

◆ SdlWindow() [3/3]

SdlWindow::SdlWindow ( const std::string &  title,
const SDL_Rect &  rect,
Uint32  flags 
)
protected

FreeRDP: A Remote Desktop Protocol Implementation SDL Client

Copyright 2023 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m 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.

Definition at line 26 of file SDL3/sdl_window.cpp.

27{
28 auto props = SDL_CreateProperties();
29 SDL_SetStringProperty(props, SDL_PROP_WINDOW_CREATE_TITLE_STRING, title.c_str());
30 SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, rect.x);
31 SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, rect.y);
32 SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, rect.w);
33 SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, rect.h);
34
35 if (flags & SDL_WINDOW_HIGH_PIXEL_DENSITY)
36 SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_HIGH_PIXEL_DENSITY_BOOLEAN, true);
37
38 if (flags & SDL_WINDOW_FULLSCREEN)
39 SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_FULLSCREEN_BOOLEAN, true);
40
41 if (flags & SDL_WINDOW_BORDERLESS)
42 SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_BORDERLESS_BOOLEAN, true);
43
44 _window = SDL_CreateWindowWithProperties(props);
45 SDL_DestroyProperties(props);
46
47 auto sc = scale();
48 const int iscale = static_cast<int>(sc * 100.0f);
49 auto w = 100 * rect.w / iscale;
50 auto h = 100 * rect.h / iscale;
51 std::ignore = resize({ w, h });
52 SDL_SetHint(SDL_HINT_APP_NAME, "");
53 std::ignore = SDL_SyncWindow(_window);
54}

Member Function Documentation

◆ blit() [1/2]

bool SdlWindow::blit ( SDL_Surface *  surface,
const SDL_Rect &  src,
SDL_Rect &  dst 
)

Definition at line 291 of file SDL3/sdl_window.cpp.

292{
293 auto screen = SDL_GetWindowSurface(_window);
294 if (!screen || !surface)
295 return false;
296 if (!SDL_SetSurfaceClipRect(surface, &srcRect))
297 return true;
298 if (!SDL_SetSurfaceClipRect(screen, &dstRect))
299 return true;
300 if (!SDL_BlitSurfaceScaled(surface, &srcRect, screen, &dstRect, SDL_SCALEMODE_LINEAR))
301 {
302 SDL_LogError(SDL_LOG_CATEGORY_RENDER, "SDL_BlitScaled: %s", SDL_GetError());
303 return false;
304 }
305 return true;
306}

◆ blit() [2/2]

bool SdlWindow::blit ( SDL_Surface *  surface,
SDL_Rect  src,
SDL_Rect &  dst 
)

Definition at line 187 of file SDL2/sdl_window.cpp.

188{
189 auto screen = SDL_GetWindowSurface(_window);
190 if (!screen || !surface)
191 return false;
192 if (!SDL_SetClipRect(surface, &srcRect))
193 return true;
194 if (!SDL_SetClipRect(screen, &dstRect))
195 return true;
196 auto rc = SDL_BlitScaled(surface, &srcRect, screen, &dstRect);
197 if (rc != 0)
198 {
199 SDL_LogError(SDL_LOG_CATEGORY_RENDER, "SDL_BlitScaled: %s [%d]", sdl_error_string(rc), rc);
200 }
201 return rc == 0;
202}

◆ bounds()

SDL_Rect SdlWindow::bounds ( ) const

Definition at line 92 of file SDL3/sdl_window.cpp.

93{
94 SDL_Rect rect = {};
95 if (_window)
96 {
97 SDL_GetWindowPosition(_window, &rect.x, &rect.y);
98 SDL_GetWindowSize(_window, &rect.w, &rect.h);
99 }
100 return rect;
101}

◆ create()

SdlWindow SdlWindow::create ( SDL_DisplayID  id,
const std::string &  title,
Uint32  flags,
Uint32  width = 0,
Uint32  height = 0 
)
static

Definition at line 313 of file SDL3/sdl_window.cpp.

315{
316 flags |= SDL_WINDOW_HIGH_PIXEL_DENSITY;
317
318 SDL_Rect rect = { static_cast<int>(SDL_WINDOWPOS_CENTERED_DISPLAY(id)),
319 static_cast<int>(SDL_WINDOWPOS_CENTERED_DISPLAY(id)), static_cast<int>(width),
320 static_cast<int>(height) };
321
322 if ((flags & SDL_WINDOW_FULLSCREEN) != 0)
323 {
324 std::ignore = SDL_GetDisplayBounds(id, &rect);
325 }
326
327 SdlWindow window{ title, rect, flags };
328
329 if ((flags & (SDL_WINDOW_FULLSCREEN)) != 0)
330 {
331 window.setOffsetX(rect.x);
332 window.setOffsetY(rect.y);
333 }
334
335 return window;
336}

◆ displayIndex()

SDL_DisplayID SdlWindow::displayIndex ( ) const

Definition at line 47 of file SDL2/sdl_window.cpp.

48{
49 if (!_window)
50 return 0;
51 return SDL_GetWindowDisplayIndex(_window);
52}

◆ drawRect()

bool SdlWindow::drawRect ( SDL_Surface *  surface,
SDL_Point  offset,
const SDL_Rect &  srcRect 
)

Definition at line 231 of file SDL3/sdl_window.cpp.

232{
233 WINPR_ASSERT(surface);
234 SDL_Rect dstRect = { offset.x + srcRect.x, offset.y + srcRect.y, srcRect.w, srcRect.h };
235 return blit(surface, srcRect, dstRect);
236}

◆ drawRects()

bool SdlWindow::drawRects ( SDL_Surface *  surface,
SDL_Point  offset,
const std::vector< SDL_Rect > &  rects = {} 
)

Definition at line 238 of file SDL3/sdl_window.cpp.

240{
241 if (rects.empty())
242 {
243 return drawRect(surface, offset, { 0, 0, surface->w, surface->h });
244 }
245 for (auto& srcRect : rects)
246 {
247 if (!drawRect(surface, offset, srcRect))
248 return false;
249 }
250 return true;
251}

◆ drawScaledRect()

bool SdlWindow::drawScaledRect ( SDL_Surface *  surface,
const SDL_FPoint &  scale,
const SDL_Rect &  srcRect 
)

Definition at line 253 of file SDL3/sdl_window.cpp.

255{
256 SDL_Rect dstRect = srcRect;
257 dstRect.x = static_cast<Sint32>(static_cast<float>(dstRect.x) * scale.x);
258 dstRect.w = static_cast<Sint32>(static_cast<float>(dstRect.w) * scale.x);
259 dstRect.y = static_cast<Sint32>(static_cast<float>(dstRect.y) * scale.y);
260 dstRect.h = static_cast<Sint32>(static_cast<float>(dstRect.h) * scale.y);
261 return blit(surface, srcRect, dstRect);
262}

◆ drawScaledRects()

bool SdlWindow::drawScaledRects ( SDL_Surface *  surface,
const SDL_FPoint &  scale,
const std::vector< SDL_Rect > &  rects = {} 
)

Definition at line 264 of file SDL3/sdl_window.cpp.

266{
267 if (rects.empty())
268 {
269 return drawScaledRect(surface, scale, { 0, 0, surface->w, surface->h });
270 }
271 for (const auto& srcRect : rects)
272 {
273 if (!drawScaledRect(surface, scale, srcRect))
274 return false;
275 }
276 return true;
277}

◆ fill()

bool SdlWindow::fill ( Uint8  r = 0x00,
Uint8  g = 0x00,
Uint8  b = 0x00,
Uint8  a = 0xff 
)

Definition at line 175 of file SDL2/sdl_window.cpp.

176{
177 auto surface = SDL_GetWindowSurface(_window);
178 if (!surface)
179 return false;
180 SDL_Rect rect = { 0, 0, surface->w, surface->h };
181 auto color = SDL_MapRGBA(surface->format, r, g, b, a);
182
183 SDL_FillRect(surface, &rect, color);
184 return true;
185}

◆ fullscreen()

void SdlWindow::fullscreen ( bool  enter)

Definition at line 131 of file SDL2/sdl_window.cpp.

132{
133 auto curFlags = SDL_GetWindowFlags(_window);
134
135 if (enter)
136 {
137 if (!(curFlags & SDL_WINDOW_BORDERLESS))
138 {
139 auto idx = SDL_GetWindowDisplayIndex(_window);
140 SDL_DisplayMode mode = {};
141 SDL_GetCurrentDisplayMode(idx, &mode);
142
143 SDL_RestoreWindow(_window); // Maximize so we can see the caption and
144 // bits
145 SDL_SetWindowBordered(_window, SDL_FALSE);
146 SDL_SetWindowPosition(_window, 0, 0);
147#if SDL_VERSION_ATLEAST(2, 0, 16)
148 SDL_SetWindowAlwaysOnTop(_window, SDL_TRUE);
149#endif
150 SDL_RaiseWindow(_window);
151 SDL_SetWindowSize(_window, mode.w, mode.h);
152 }
153 }
154 else
155 {
156 if (curFlags & SDL_WINDOW_BORDERLESS)
157 {
158
159 SDL_SetWindowBordered(_window, SDL_TRUE);
160#if SDL_VERSION_ATLEAST(2, 0, 16)
161 SDL_SetWindowAlwaysOnTop(_window, SDL_FALSE);
162#endif
163 SDL_RaiseWindow(_window);
164 SDL_MinimizeWindow(_window); // Maximize so we can see the caption and bits
165 SDL_MaximizeWindow(_window); // Maximize so we can see the caption and bits
166 }
167 }
168}

◆ grabKeyboard()

bool SdlWindow::grabKeyboard ( bool  enable)

Definition at line 90 of file SDL2/sdl_window.cpp.

91{
92 if (!_window)
93 return false;
94#if SDL_VERSION_ATLEAST(2, 0, 16)
95 SDL_SetWindowKeyboardGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
96 return true;
97#else
98 SDL_LogError(SDL_LOG_CATEGORY_INPUT, "Keyboard grabbing not supported by SDL2 < 2.0.16");
99 return false;
100#endif
101}

◆ grabMouse()

bool SdlWindow::grabMouse ( bool  enable)

Definition at line 103 of file SDL2/sdl_window.cpp.

104{
105 if (!_window)
106 return false;
107#if SDL_VERSION_ATLEAST(2, 0, 16)
108 SDL_SetWindowMouseGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
109#else
110 SDL_SetWindowGrab(_window, enable ? SDL_TRUE : SDL_FALSE);
111#endif
112 return true;
113}

◆ id()

SDL_WindowID SdlWindow::id ( ) const

Definition at line 40 of file SDL2/sdl_window.cpp.

41{
42 if (!_window)
43 return 0;
44 return SDL_GetWindowID(_window);
45}

◆ minimize()

void SdlWindow::minimize ( )

Definition at line 170 of file SDL2/sdl_window.cpp.

171{
172 SDL_MinimizeWindow(_window);
173}

◆ monitor()

rdpMonitor SdlWindow::monitor ( bool  isPrimary) const

Definition at line 128 of file SDL3/sdl_window.cpp.

129{
130 rdpMonitor mon{};
131
132 const auto factor = scale();
133 const auto dsf = static_cast<UINT32>(100 * factor);
134 mon.attributes.desktopScaleFactor = dsf;
135 mon.attributes.deviceScaleFactor = 100;
136
137 const auto r = rect();
138 mon.width = r.w;
139 mon.height = r.h;
140
141 mon.attributes.physicalWidth = WINPR_ASSERTING_INT_CAST(uint32_t, r.w);
142 mon.attributes.physicalHeight = WINPR_ASSERTING_INT_CAST(uint32_t, r.h);
143
144 SDL_Rect rect = {};
145 auto did = SDL_GetDisplayForWindow(_window);
146 auto rc = SDL_GetDisplayBounds(did, &rect);
147
148 if (rc)
149 {
150 mon.x = rect.x;
151 mon.y = rect.y;
152 }
153
154 const auto orient = orientation();
155 mon.attributes.orientation = sdl::utils::orientaion_to_rdp(orient);
156
157 auto primary = SDL_GetPrimaryDisplay();
158 mon.is_primary = isPrimary || (SDL_GetWindowID(_window) == primary);
159 mon.orig_screen = did;
160 if (mon.is_primary)
161 {
162 mon.x = 0;
163 mon.y = 0;
164 }
165 return mon;
166}

◆ offsetX()

Sint32 SdlWindow::offsetX ( ) const

Definition at line 70 of file SDL2/sdl_window.cpp.

71{
72 return _offset_x;
73}

◆ offsetY()

Sint32 SdlWindow::offsetY ( ) const

Definition at line 85 of file SDL2/sdl_window.cpp.

86{
87 return _offset_y;
88}

◆ orientation()

SDL_DisplayOrientation SdlWindow::orientation ( ) const

Definition at line 173 of file SDL3/sdl_window.cpp.

174{
175 const auto did = displayIndex();
176 return SDL_GetCurrentDisplayOrientation(did);
177}

◆ raise()

void SdlWindow::raise ( )

Definition at line 121 of file SDL2/sdl_window.cpp.

122{
123 SDL_RaiseWindow(_window);
124}

◆ rect()

SDL_Rect SdlWindow::rect ( ) const

Definition at line 54 of file SDL2/sdl_window.cpp.

55{
56 SDL_Rect rect = {};
57 if (_window)
58 {
59 SDL_GetWindowPosition(_window, &rect.x, &rect.y);
60 SDL_GetWindowSize(_window, &rect.w, &rect.h);
61 }
62 return rect;
63}

◆ resize()

bool SdlWindow::resize ( const SDL_Point &  size)

Definition at line 226 of file SDL3/sdl_window.cpp.

227{
228 return SDL_SetWindowSize(_window, size.x, size.y);
229}

◆ resizeable()

void SdlWindow::resizeable ( bool  use)

Definition at line 126 of file SDL2/sdl_window.cpp.

127{
128 SDL_SetWindowResizable(_window, use ? SDL_TRUE : SDL_FALSE);
129}

◆ scale()

float SdlWindow::scale ( ) const

Definition at line 168 of file SDL3/sdl_window.cpp.

169{
170 return SDL_GetWindowDisplayScale(_window);
171}

◆ setBordered()

void SdlWindow::setBordered ( bool  bordered)

Definition at line 115 of file SDL2/sdl_window.cpp.

116{
117 if (_window)
118 SDL_SetWindowBordered(_window, bordered ? SDL_TRUE : SDL_FALSE);
119}

◆ setOffsetX()

void SdlWindow::setOffsetX ( Sint32  x)

Definition at line 75 of file SDL2/sdl_window.cpp.

76{
77 _offset_x = x;
78}

◆ setOffsetY()

void SdlWindow::setOffsetY ( Sint32  y)

Definition at line 80 of file SDL2/sdl_window.cpp.

81{
82 _offset_y = y;
83}

◆ updateSurface()

void SdlWindow::updateSurface ( )

Definition at line 204 of file SDL2/sdl_window.cpp.

205{
206 SDL_UpdateWindowSurface(_window);
207}

◆ window()

SDL_Window * SdlWindow::window ( ) const

Definition at line 65 of file SDL2/sdl_window.cpp.

66{
67 return _window;
68}

The documentation for this class was generated from the following files: