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a90ad3b0e2
We require stdbool.h in the build environment, so we might as well use the plain bool type. If your environment doesn't have stdbool.h, this simple replacement will suffice: typedef signed char bool;
110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#include "./SDL_portaldialog.h"
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#include "./SDL_zenitydialog.h"
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static void (*detected_open)(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const SDL_DialogFileFilter *filters, int nfilters, const char* default_location, bool allow_many) = NULL;
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static void (*detected_save)(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const SDL_DialogFileFilter *filters, int nfilters, const char* default_location) = NULL;
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static void (*detected_folder)(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const char* default_location, bool allow_many) = NULL;
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static int detect_available_methods(const char *value);
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void SDLCALL hint_callback(void *userdata, const char *name, const char *oldValue, const char *newValue)
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{
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detect_available_methods(newValue);
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}
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static void set_callback(void)
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{
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static bool is_set = false;
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if (is_set == false) {
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is_set = true;
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SDL_AddHintCallback(SDL_HINT_FILE_DIALOG_DRIVER, hint_callback, NULL);
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}
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}
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// Returns non-zero on success, 0 on failure
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static int detect_available_methods(const char *value)
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{
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const char *driver = value ? value : SDL_GetHint(SDL_HINT_FILE_DIALOG_DRIVER);
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set_callback();
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if (driver == NULL || SDL_strcmp(driver, "portal") == 0) {
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if (SDL_Portal_detect()) {
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detected_open = SDL_Portal_ShowOpenFileDialog;
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detected_save = SDL_Portal_ShowSaveFileDialog;
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detected_folder = SDL_Portal_ShowOpenFolderDialog;
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return 1;
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}
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}
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if (driver == NULL || SDL_strcmp(driver, "zenity") == 0) {
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if (SDL_Zenity_detect()) {
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detected_open = SDL_Zenity_ShowOpenFileDialog;
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detected_save = SDL_Zenity_ShowSaveFileDialog;
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detected_folder = SDL_Zenity_ShowOpenFolderDialog;
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return 2;
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}
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}
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SDL_SetError("File dialog driver unsupported");
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return 0;
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}
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void SDL_ShowOpenFileDialog(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const SDL_DialogFileFilter *filters, int nfilters, const char* default_location, bool allow_many)
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{
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// Call detect_available_methods() again each time in case the situation changed
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if (!detected_open && !detect_available_methods(NULL)) {
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// SetError() done by detect_available_methods()
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callback(userdata, NULL, -1);
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return;
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}
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detected_open(callback, userdata, window, filters, nfilters, default_location, allow_many);
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}
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void SDL_ShowSaveFileDialog(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const SDL_DialogFileFilter *filters, int nfilters, const char* default_location)
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{
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// Call detect_available_methods() again each time in case the situation changed
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if (!detected_save && !detect_available_methods(NULL)) {
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// SetError() done by detect_available_methods()
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callback(userdata, NULL, -1);
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return;
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}
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detected_save(callback, userdata, window, filters, nfilters, default_location);
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}
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void SDL_ShowOpenFolderDialog(SDL_DialogFileCallback callback, void* userdata, SDL_Window* window, const char* default_location, bool allow_many)
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{
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// Call detect_available_methods() again each time in case the situation changed
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if (!detected_folder && !detect_available_methods(NULL)) {
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// SetError() done by detect_available_methods()
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callback(userdata, NULL, -1);
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return;
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}
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detected_folder(callback, userdata, window, default_location, allow_many);
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}
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