1 files changed, 173 insertions, 0 deletions

diff --git a/src/contrib/SDL-3.2.20/test/testhittesting.c b/src/contrib/SDL-3.2.20/test/testhittesting.c
new file mode 100644
index 0000000..c276d42
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/test/testhittesting.c
@@ -0,0 +1,173 @@
+/*
+  Copyright (C) 1997-2025 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.
+*/
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test.h>
+
+#define RESIZE_BORDER 20
+
+static const SDL_Rect drag_areas[] = {
+    { 20, 20, 100, 100 },
+    { 200, 70, 100, 100 },
+    { 400, 90, 100, 100 }
+};
+static const SDL_FRect render_areas[] = {
+    { 20.0f, 20.0f, 100.0f, 100.0f },
+    { 200.0f, 70.0f, 100.0f, 100.0f },
+    { 400.0f, 90.0f, 100.0f, 100.0f }
+};
+
+static const SDL_Rect *areas = drag_areas;
+static int numareas = SDL_arraysize(drag_areas);
+
+static SDL_HitTestResult SDLCALL
+hitTest(SDL_Window *window, const SDL_Point *pt, void *data)
+{
+    int i;
+    int w, h, p_w;
+    SDL_Point adj_pt;
+    float scale;
+
+    SDL_GetWindowSize(window, &w, &h);
+    SDL_GetWindowSizeInPixels(window, &p_w, NULL);
+
+    scale = (float)p_w / (float)w;
+
+    adj_pt.x = (int)SDL_floorf(pt->x * scale);
+    adj_pt.y = (int)SDL_floorf(pt->y * scale);
+
+    for (i = 0; i < numareas; i++) {
+        if (SDL_PointInRect(&adj_pt, &areas[i])) {
+            SDL_Log("HIT-TEST: DRAGGABLE");
+            return SDL_HITTEST_DRAGGABLE;
+        }
+    }
+
+#define REPORT_RESIZE_HIT(name)                  \
+    {                                            \
+        SDL_Log("HIT-TEST: RESIZE_" #name ""); \
+        return SDL_HITTEST_RESIZE_##name;        \
+    }
+
+    if (pt->x < RESIZE_BORDER && pt->y < RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(TOPLEFT);
+    } else if (pt->x > RESIZE_BORDER && pt->x < w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(TOP);
+    } else if (pt->x > w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(TOPRIGHT);
+    } else if (pt->x > w - RESIZE_BORDER && pt->y > RESIZE_BORDER && pt->y < h - RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(RIGHT);
+    } else if (pt->x > w - RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(BOTTOMRIGHT);
+    } else if (pt->x < w - RESIZE_BORDER && pt->x > RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(BOTTOM);
+    } else if (pt->x < RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(BOTTOMLEFT);
+    } else if (pt->x < RESIZE_BORDER && pt->y < h - RESIZE_BORDER && pt->y > RESIZE_BORDER) {
+        REPORT_RESIZE_HIT(LEFT);
+    }
+
+    SDL_Log("HIT-TEST: NORMAL");
+    return SDL_HITTEST_NORMAL;
+}
+
+int main(int argc, char **argv)
+{
+    int i;
+    int done = 0;
+    SDLTest_CommonState *state;
+
+    /* Initialize test framework */
+    state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
+    if (!state) {
+        return 1;
+    }
+
+    state->window_flags = SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE;
+
+    /* Parse commandline */
+    if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
+        return 1;
+    }
+
+    if (!SDLTest_CommonInit(state)) {
+        return 2;
+    }
+
+    for (i = 0; i < state->num_windows; i++) {
+        if (!SDL_SetWindowHitTest(state->windows[i], hitTest, NULL)) {
+            SDL_Log("Enabling hit-testing failed for window %d: %s", i, SDL_GetError());
+            SDL_Quit();
+            return 1;
+        }
+    }
+
+    while (!done) {
+        SDL_Event e;
+        int nothing_to_do = 1;
+
+        for (i = 0; i < state->num_windows; ++i) {
+            SDL_SetRenderDrawColor(state->renderers[i], 0, 0, 127, 255);
+            SDL_RenderClear(state->renderers[i]);
+            SDL_SetRenderDrawColor(state->renderers[i], 255, 0, 0, 255);
+            SDLTest_DrawString(state->renderers[i], (float)state->window_w / 2 - 80.0f, 10.0f, "Drag the red boxes");
+            SDL_RenderFillRects(state->renderers[i], render_areas, SDL_arraysize(render_areas));
+            SDL_RenderPresent(state->renderers[i]);
+        }
+
+        while (SDL_PollEvent(&e)) {
+            SDLTest_CommonEvent(state, &e, &done);
+            nothing_to_do = 0;
+
+            switch (e.type) {
+            case SDL_EVENT_MOUSE_BUTTON_DOWN:
+                SDL_Log("button down!");
+                break;
+
+            case SDL_EVENT_MOUSE_BUTTON_UP:
+                SDL_Log("button up!");
+                break;
+
+            case SDL_EVENT_WINDOW_MOVED:
+                SDL_Log("Window event moved to (%d, %d)!", (int)e.window.data1, (int)e.window.data2);
+                break;
+
+            case SDL_EVENT_KEY_DOWN:
+                if (e.key.key == SDLK_ESCAPE) {
+                    done = 1;
+                } else if (e.key.key == SDLK_X) {
+                    if (!areas) {
+                        areas = drag_areas;
+                        numareas = SDL_arraysize(drag_areas);
+                    } else {
+                        areas = NULL;
+                        numareas = 0;
+                    }
+                }
+                break;
+
+            case SDL_EVENT_QUIT:
+                done = 1;
+                break;
+            default:
+                break;
+            }
+        }
+
+        if (nothing_to_do) {
+            SDL_Delay(50);
+        }
+    }
+
+    SDLTest_CommonQuit(state);
+    return 0;
+}