mirror of
https://github.com/shadps4-emu/ext-SDL.git
synced 2024-11-23 18:19:40 +00:00
266 lines
12 KiB
C
266 lines
12 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/**
|
|
* # CategoryDialog
|
|
*
|
|
* File dialog support.
|
|
*/
|
|
|
|
#ifndef SDL_dialog_h_
|
|
#define SDL_dialog_h_
|
|
|
|
#include <SDL3/SDL_stdinc.h>
|
|
#include <SDL3/SDL_error.h>
|
|
#include <SDL3/SDL_video.h>
|
|
|
|
#include <SDL3/SDL_begin_code.h>
|
|
/* Set up for C function definitions, even when using C++ */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* An entry for filters for file dialogs.
|
|
*
|
|
* `name` is a user-readable label for the filter (for example, "Office
|
|
* document").
|
|
*
|
|
* `pattern` is a semicolon-separated list of file extensions (for example,
|
|
* "doc;docx"). File extensions may only contain alphanumeric characters,
|
|
* hyphens, underscores and periods. Alternatively, the whole string can be a
|
|
* single asterisk ("*"), which serves as an "All files" filter.
|
|
*
|
|
* \since This struct is available since SDL 3.0.0.
|
|
*
|
|
* \sa SDL_DialogFileCallback
|
|
* \sa SDL_ShowOpenFileDialog
|
|
* \sa SDL_ShowSaveFileDialog
|
|
* \sa SDL_ShowOpenFolderDialog
|
|
*/
|
|
typedef struct SDL_DialogFileFilter
|
|
{
|
|
const char *name;
|
|
const char *pattern;
|
|
} SDL_DialogFileFilter;
|
|
|
|
/**
|
|
* Callback used by file dialog functions.
|
|
*
|
|
* The specific usage is described in each function.
|
|
*
|
|
* If `filelist` is:
|
|
*
|
|
* - NULL, an error occurred. Details can be obtained with SDL_GetError().
|
|
* - A pointer to NULL, the user either didn't choose any file or canceled the
|
|
* dialog.
|
|
* - A pointer to non-`NULL`, the user chose one or more files. The argument
|
|
* is a null-terminated list of pointers to C strings, each containing a
|
|
* path.
|
|
*
|
|
* The filelist argument does not need to be freed; it will automatically be
|
|
* freed when the callback returns.
|
|
*
|
|
* The filter argument is the index of the filter that was selected, or -1 if
|
|
* no filter was selected or if the platform or method doesn't support
|
|
* fetching the selected filter.
|
|
*
|
|
* \param userdata an app-provided pointer, for the callback's use.
|
|
* \param filelist the file(s) chosen by the user.
|
|
* \param filter index of the selected filter.
|
|
*
|
|
* \since This datatype is available since SDL 3.0.0.
|
|
*
|
|
* \sa SDL_DialogFileFilter
|
|
* \sa SDL_ShowOpenFileDialog
|
|
* \sa SDL_ShowSaveFileDialog
|
|
* \sa SDL_ShowOpenFolderDialog
|
|
*/
|
|
typedef void (SDLCALL *SDL_DialogFileCallback)(void *userdata, const char * const *filelist, int filter);
|
|
|
|
/**
|
|
* Displays a dialog that lets the user select a file on their filesystem.
|
|
*
|
|
* This function should only be invoked from the main thread.
|
|
*
|
|
* This is an asynchronous function; it will return immediately, and the
|
|
* result will be passed to the callback.
|
|
*
|
|
* The callback will be invoked with a null-terminated list of files the user
|
|
* chose. The list will be empty if the user canceled the dialog, and it will
|
|
* be NULL if an error occurred.
|
|
*
|
|
* Note that the callback may be called from a different thread than the one
|
|
* the function was invoked on.
|
|
*
|
|
* Depending on the platform, the user may be allowed to input paths that
|
|
* don't yet exist.
|
|
*
|
|
* On Linux, dialogs may require XDG Portals, which requires DBus, which
|
|
* requires an event-handling loop. Apps that do not use SDL to handle events
|
|
* should add a call to SDL_PumpEvents in their main loop.
|
|
*
|
|
* \param callback an SDL_DialogFileCallback to be invoked when the user
|
|
* selects a file and accepts, or cancels the dialog, or an
|
|
* error occurs. The first argument is a null-terminated list
|
|
* of C strings, representing the paths chosen by the user.
|
|
* The list will be empty if the user canceled the dialog, and
|
|
* it will be NULL if an error occurred. If an error occurred,
|
|
* it can be fetched with SDL_GetError(). The second argument
|
|
* is the userdata pointer passed to the function. The third
|
|
* argument is the index of the filter selected by the user,
|
|
* or one past the index of the last filter (therefore the
|
|
* index of the terminating NULL filter) if no filter was
|
|
* chosen, or -1 if the platform does not support detecting
|
|
* the selected filter.
|
|
* \param userdata an optional pointer to pass extra data to the callback when
|
|
* it will be invoked.
|
|
* \param window the window that the dialog should be modal for. May be NULL.
|
|
* Not all platforms support this option.
|
|
* \param filters a list of SDL_DialogFileFilter's. May be NULL. Not all
|
|
* platforms support this option, and platforms that do support
|
|
* it may allow the user to ignore the filters.
|
|
* \param nfilters the number of filters. Ignored if filters is NULL.
|
|
* \param default_location the default folder or file to start the dialog at.
|
|
* May be NULL. Not all platforms support this option.
|
|
* \param allow_many if non-zero, the user will be allowed to select multiple
|
|
* entries. Not all platforms support this option.
|
|
*
|
|
* \since This function is available since SDL 3.0.0.
|
|
*
|
|
* \sa SDL_DialogFileCallback
|
|
* \sa SDL_DialogFileFilter
|
|
* \sa SDL_ShowSaveFileDialog
|
|
* \sa SDL_ShowOpenFolderDialog
|
|
*/
|
|
extern SDL_DECLSPEC void SDLCALL SDL_ShowOpenFileDialog(SDL_DialogFileCallback callback, void *userdata, SDL_Window *window, const SDL_DialogFileFilter *filters, int nfilters, const char *default_location, SDL_bool allow_many);
|
|
|
|
/**
|
|
* Displays a dialog that lets the user choose a new or existing file on their
|
|
* filesystem.
|
|
*
|
|
* This function should only be invoked from the main thread.
|
|
*
|
|
* This is an asynchronous function; it will return immediately, and the
|
|
* result will be passed to the callback.
|
|
*
|
|
* The callback will be invoked with a null-terminated list of files the user
|
|
* chose. The list will be empty if the user canceled the dialog, and it will
|
|
* be NULL if an error occurred.
|
|
*
|
|
* Note that the callback may be called from a different thread than the one
|
|
* the function was invoked on.
|
|
*
|
|
* The chosen file may or may not already exist.
|
|
*
|
|
* On Linux, dialogs may require XDG Portals, which requires DBus, which
|
|
* requires an event-handling loop. Apps that do not use SDL to handle events
|
|
* should add a call to SDL_PumpEvents in their main loop.
|
|
*
|
|
* \param callback an SDL_DialogFileCallback to be invoked when the user
|
|
* selects a file and accepts, or cancels the dialog, or an
|
|
* error occurs. The first argument is a null-terminated list
|
|
* of C strings, representing the paths chosen by the user.
|
|
* The list will be empty if the user canceled the dialog, and
|
|
* it will be NULL if an error occurred. If an error occurred,
|
|
* it can be fetched with SDL_GetError(). The second argument
|
|
* is the userdata pointer passed to the function. The third
|
|
* argument is the index of the filter selected by the user,
|
|
* or one past the index of the last filter (therefore the
|
|
* index of the terminating NULL filter) if no filter was
|
|
* chosen, or -1 if the platform does not support detecting
|
|
* the selected filter.
|
|
* \param userdata an optional pointer to pass extra data to the callback when
|
|
* it will be invoked.
|
|
* \param window the window that the dialog should be modal for. May be NULL.
|
|
* Not all platforms support this option.
|
|
* \param filters a list of SDL_DialogFileFilter's. May be NULL. Not all
|
|
* platforms support this option, and platforms that do support
|
|
* it may allow the user to ignore the filters.
|
|
* \param nfilters the number of filters. Ignored if filters is NULL.
|
|
* \param default_location the default folder or file to start the dialog at.
|
|
* May be NULL. Not all platforms support this option.
|
|
*
|
|
* \since This function is available since SDL 3.0.0.
|
|
*
|
|
* \sa SDL_DialogFileCallback
|
|
* \sa SDL_DialogFileFilter
|
|
* \sa SDL_ShowOpenFileDialog
|
|
* \sa SDL_ShowOpenFolderDialog
|
|
*/
|
|
extern SDL_DECLSPEC void SDLCALL SDL_ShowSaveFileDialog(SDL_DialogFileCallback callback, void *userdata, SDL_Window *window, const SDL_DialogFileFilter *filters, int nfilters, const char *default_location);
|
|
|
|
/**
|
|
* Displays a dialog that lets the user select a folder on their filesystem.
|
|
*
|
|
* This function should only be invoked from the main thread.
|
|
*
|
|
* This is an asynchronous function; it will return immediately, and the
|
|
* result will be passed to the callback.
|
|
*
|
|
* The callback will be invoked with a null-terminated list of files the user
|
|
* chose. The list will be empty if the user canceled the dialog, and it will
|
|
* be NULL if an error occurred.
|
|
*
|
|
* Note that the callback may be called from a different thread than the one
|
|
* the function was invoked on.
|
|
*
|
|
* Depending on the platform, the user may be allowed to input paths that
|
|
* don't yet exist.
|
|
*
|
|
* On Linux, dialogs may require XDG Portals, which requires DBus, which
|
|
* requires an event-handling loop. Apps that do not use SDL to handle events
|
|
* should add a call to SDL_PumpEvents in their main loop.
|
|
*
|
|
* \param callback an SDL_DialogFileCallback to be invoked when the user
|
|
* selects a file and accepts, or cancels the dialog, or an
|
|
* error occurs. The first argument is a null-terminated list
|
|
* of C strings, representing the paths chosen by the user.
|
|
* The list will be empty if the user canceled the dialog, and
|
|
* it will be NULL if an error occurred. If an error occurred,
|
|
* it can be fetched with SDL_GetError(). The second argument
|
|
* is the userdata pointer passed to the function. The third
|
|
* argument is always -1 for SDL_ShowOpenFolderDialog.
|
|
* \param userdata an optional pointer to pass extra data to the callback when
|
|
* it will be invoked.
|
|
* \param window the window that the dialog should be modal for. May be NULL.
|
|
* Not all platforms support this option.
|
|
* \param default_location the default folder or file to start the dialog at.
|
|
* May be NULL. Not all platforms support this option.
|
|
* \param allow_many if non-zero, the user will be allowed to select multiple
|
|
* entries. Not all platforms support this option.
|
|
*
|
|
* \since This function is available since SDL 3.0.0.
|
|
*
|
|
* \sa SDL_DialogFileCallback
|
|
* \sa SDL_ShowOpenFileDialog
|
|
* \sa SDL_ShowSaveFileDialog
|
|
*/
|
|
extern SDL_DECLSPEC void SDLCALL SDL_ShowOpenFolderDialog(SDL_DialogFileCallback callback, void *userdata, SDL_Window *window, const char *default_location, SDL_bool allow_many);
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include <SDL3/SDL_close_code.h>
|
|
|
|
#endif /* SDL_dialog_h_ */
|