Atlas - SDL_unixdialog.c
Home / ext / SDL / src / dialog / unix
Lines: 1 | Size: 2900 bytes
[Download] [Show on GitHub] [Search similar files] [Raw] [Raw (proxy)] 
[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#include "../SDL_dialog.h"
24#include "./SDL_portaldialog.h"
25#include "./SDL_zenitydialog.h"
26
27static void (*detected_function)(SDL_FileDialogType type, SDL_DialogFileCallback callback, void *userdata, SDL_PropertiesID props) = NULL;
28
29void SDLCALL hint_callback(void *userdata, const char *name, const char *oldValue, const char *newValue);
30
31static void set_callback(void)
32{
33    static bool is_set = false;
34
35    if (is_set == false) {
36        is_set = true;
37        SDL_AddHintCallback(SDL_HINT_FILE_DIALOG_DRIVER, hint_callback, NULL);
38    }
39}
40
41// Returns non-zero on success, 0 on failure
42static int detect_available_methods(const char *value)
43{
44    const char *driver = value ? value : SDL_GetHint(SDL_HINT_FILE_DIALOG_DRIVER);
45
46    set_callback();
47
48    if (driver == NULL || SDL_strcmp(driver, "portal") == 0) {
49        if (SDL_Portal_detect()) {
50            detected_function = SDL_Portal_ShowFileDialogWithProperties;
51            return 1;
52        }
53    }
54
55    if (driver == NULL || SDL_strcmp(driver, "zenity") == 0) {
56        if (SDL_Zenity_detect()) {
57            detected_function = SDL_Zenity_ShowFileDialogWithProperties;
58            return 2;
59        }
60    }
61
62    SDL_SetError("File dialog driver unsupported (supported values for SDL_HINT_FILE_DIALOG_DRIVER are 'zenity' and 'portal')");
63    return 0;
64}
65
66void SDLCALL hint_callback(void *userdata, const char *name, const char *oldValue, const char *newValue)
67{
68    detect_available_methods(newValue);
69}
70
71void SDL_SYS_ShowFileDialogWithProperties(SDL_FileDialogType type, SDL_DialogFileCallback callback, void *userdata, SDL_PropertiesID props)
72{
73    // Call detect_available_methods() again each time in case the situation changed
74    if (!detected_function && !detect_available_methods(NULL)) {
75        // SetError() done by detect_available_methods()
76        callback(userdata, NULL, -1);
77        return;
78    }
79
80    detected_function(type, callback, userdata, props);
81}
82
[FILE END]
(C) 2025 0x4248
(C) 2025 4248 Media and 4248 Systems, All part of 0x4248
See LICENCE files for more information. Not all files are by 0x4248 always check Licencing.