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Added an example of creating a window with position

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Sam Lantinga
2023-12-28 16:34:13 -08:00
parent ce4fe32ce3
commit dc450ba908
1 changed files with 15 additions and 1 deletions
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docs/README-migration.md
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@@ -1323,7 +1323,21 @@ Rather than iterating over displays using display index, there is a new function
} }
``` ```
SDL_CreateWindow() has been simplified and no longer takes a window position. You can use SDL_CreateWindowWithProperties() if you need to set the window position when creating it. SDL_CreateWindow() has been simplified and no longer takes a window position. You can use SDL_CreateWindowWithProperties() if you need to set the window position when creating it, e.g.
```c
SDL_PropertiesID props = SDL_CreateProperties();
SDL_SetStringProperty(props, title);
SDL_SetNumberProperty(props, "x", x);
SDL_SetNumberProperty(props, "y", y);
SDL_SetNumberProperty(props, "width", width);
SDL_SetNumberProperty(props, "height", height);
SDL_SetNumberProperty(props, "flags", flags);
pWindow = SDL_CreateWindowWithProperties(props);
SDL_DestroyProperties(props);
if (window) {
...
}
```
The SDL_WINDOWPOS_UNDEFINED_DISPLAY() and SDL_WINDOWPOS_CENTERED_DISPLAY() macros take a display ID instead of display index. The display ID 0 has a special meaning in this case, and is used to indicate the primary display. The SDL_WINDOWPOS_UNDEFINED_DISPLAY() and SDL_WINDOWPOS_CENTERED_DISPLAY() macros take a display ID instead of display index. The display ID 0 has a special meaning in this case, and is used to indicate the primary display.