sdl (master post 3.1 preview) Merge commit 'e4f454091a943345938608570b104400f62fd625'

external/sdl/SDL/test/testdialog.c

@@ -0,0 +1,161 @@
+/*
+  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.
+*/
+/* Sample program:  Create open and save dialogs. */
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test.h>
+
+const SDL_DialogFileFilter filters[4] = {
+    { "All files", "*" },
+    { "JPG images", "jpg;jpeg" },
+    { "PNG images", "png" },
+    { NULL, NULL }
+};
+
+static void SDLCALL callback(void* userdata, const char* const* files, int filter) {
+    if (files) {
+        const char* filter_name = "(filter fetching unsupported)";
+
+        if (filter != -1) {
+            if (filter < sizeof(filters) / sizeof(*filters)) {
+                filter_name = filters[filter].name;
+            } else {
+                filter_name = "(No filter was selected)";
+            }
+        }
+
+        SDL_Log("Filter used: '%s'\n", filter_name);
+
+        while (*files) {
+            SDL_Log("'%s'\n", *files);
+            files++;
+        }
+    } else {
+        SDL_Log("Error: %s\n", SDL_GetError());
+    }
+}
+
+int main(int argc, char *argv[]) {
+    SDL_Window *w;
+    SDL_Renderer *r;
+    SDLTest_CommonState *state;
+    const SDL_FRect open_file_rect = { 50, 50, 220, 140 };
+    const SDL_FRect save_file_rect = { 50, 290, 220, 140 };
+    const SDL_FRect open_folder_rect = { 370, 50, 220, 140 };
+    int i;
+    char *initial_path = NULL;
+    char path_with_trailing_slash[2048];
+
+    /* Initialize test framework */
+    state = SDLTest_CommonCreateState(argv, 0);
+    if (state == NULL) {
+        return 1;
+    }
+
+    /* Enable standard application logging */
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
+
+    /* Parse commandline */
+    for (i = 1; i < argc;) {
+        int consumed;
+
+        consumed = SDLTest_CommonArg(state, i);
+        if (!consumed) {
+        }
+        if (consumed <= 0) {
+            static const char *options[] = { NULL };
+            SDLTest_CommonLogUsage(state, argv[0], options);
+            return 1;
+        }
+
+        i += consumed;
+    }
+
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        SDL_Log("SDL_Init failed (%s)", SDL_GetError());
+        return 1;
+    }
+    if (SDL_CreateWindowAndRenderer(640, 480, 0, &w, &r) < 0) {
+        SDL_Log("Failed to create window and/or renderer: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    initial_path = SDL_GetUserFolder(SDL_FOLDER_HOME);
+
+    if (!initial_path) {
+        SDL_Log("Will not use an initial path, couldn't get the home directory path: %s\n", SDL_GetError());
+        path_with_trailing_slash[0] = '\0';
+    } else {
+        SDL_snprintf(path_with_trailing_slash, sizeof(path_with_trailing_slash), "%s/", initial_path);
+        SDL_free(initial_path);
+    }
+
+    while (1) {
+        int quit = 0;
+        SDL_Event e;
+        while (SDL_PollEvent(&e)) {
+            if (e.type == SDL_EVENT_QUIT) {
+                quit = 1;
+                break;
+            } else if (e.type == SDL_EVENT_MOUSE_BUTTON_UP) {
+                const SDL_FPoint p = { e.button.x, e.button.y };
+                /*
+                 * Arguments, in order:
+                 * - A function to call when files are chosen (or dialog is canceled, or error happens)
+                 * - A user-managed void pointer to pass to the function when it will be invoked
+                 * - The window to bind the dialog to, or NULL if none
+                 * - A list of filters for the files, see SDL_DialogFileFilter above (not for SDL_ShowOpenFolderDialog)
+                 * - The path where the dialog should start. May be a folder or a file
+                 * - Nonzero if the user is allowed to choose multiple entries (not for SDL_ShowSaveFileDialog)
+                 */
+                if (SDL_PointInRectFloat(&p, &open_file_rect)) {
+                    SDL_ShowOpenFileDialog(callback, NULL, w, filters, path_with_trailing_slash, 1);
+                } else if (SDL_PointInRectFloat(&p, &open_folder_rect)) {
+                    SDL_ShowOpenFolderDialog(callback, NULL, w, path_with_trailing_slash, 1);
+                } else if (SDL_PointInRectFloat(&p, &save_file_rect)) {
+                    SDL_ShowSaveFileDialog(callback, NULL, w, filters, path_with_trailing_slash);
+                }
+            }
+        }
+        if (quit) {
+            break;
+        }
+        SDL_Delay(100);
+
+        SDL_SetRenderDrawColor(r, 0, 0, 0, SDL_ALPHA_OPAQUE);
+        SDL_RenderClear(r);
+
+        SDL_SetRenderDrawColor(r, 255, 0, 0, SDL_ALPHA_OPAQUE);
+        SDL_RenderFillRect(r, &open_file_rect);
+
+        SDL_SetRenderDrawColor(r, 0, 255, 0, SDL_ALPHA_OPAQUE);
+        SDL_RenderFillRect(r, &save_file_rect);
+
+        SDL_SetRenderDrawColor(r, 0, 0, 255, SDL_ALPHA_OPAQUE);
+        SDL_RenderFillRect(r, &open_folder_rect);
+
+        SDL_SetRenderDrawColor(r, 0, 0, 0, SDL_ALPHA_OPAQUE);
+        SDLTest_DrawString(r, open_file_rect.x+5, open_file_rect.y+open_file_rect.h/2, "Open File...");
+        SDLTest_DrawString(r, save_file_rect.x+5, save_file_rect.y+save_file_rect.h/2, "Save File...");
+        SDLTest_DrawString(r, open_folder_rect.x+5, open_folder_rect.y+open_folder_rect.h/2, "Open Folder...");
+
+        SDL_RenderPresent(r);
+    }
+
+    SDL_DestroyRenderer(r);
+    SDL_DestroyWindow(w);
+    SDLTest_CleanupTextDrawing();
+    SDL_Quit();
+    SDLTest_CommonDestroyState(state);
+    return 0;
+}