kc3-lang/SDL

diff --git a/include/SDL_test_common.h b/include/SDL_test_common.h
index 6e4344f..8a92c05 100644
--- a/include/SDL_test_common.h
+++ b/include/SDL_test_common.h
@@ -206,6 +206,14 @@ void SDLTest_CommonEvent(SDLTest_CommonState * state, SDL_Event * event, int *do
  */
 void SDLTest_CommonQuit(SDLTest_CommonState * state);
 
+/**
+ * \brief Draws various window information (position, size, etc.) to the renderer.
+ *
+ * \param renderer The renderer to draw to.
+ * \param window The window whose information should be displayed.
+ *
+ */
+void SDLTest_CommonDrawWindowInfo(SDL_Renderer * renderer, SDL_Window * window);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/src/test/SDL_test_common.c b/src/test/SDL_test_common.c
index 0b5bc0e..9ff04c5 100644
--- a/src/test/SDL_test_common.c
+++ b/src/test/SDL_test_common.c
@@ -630,6 +630,170 @@ SDLTest_CommonDefaultArgs(SDLTest_CommonState *state, const int argc, char **arg
 }
 
 static void
+SDLTest_PrintDisplayOrientation(char* text, size_t maxlen, SDL_DisplayOrientation orientation)
+{
+    switch (orientation) {
+    case SDL_ORIENTATION_UNKNOWN:
+        SDL_snprintfcat(text, maxlen, "UNKNOWN");
+        break;
+    case SDL_ORIENTATION_LANDSCAPE:
+        SDL_snprintfcat(text, maxlen, "LANDSCAPE");
+        break;
+    case SDL_ORIENTATION_LANDSCAPE_FLIPPED:
+        SDL_snprintfcat(text, maxlen, "LANDSCAPE_FLIPPED");
+        break;
+    case SDL_ORIENTATION_PORTRAIT:
+        SDL_snprintfcat(text, maxlen, "PORTRAIT");
+        break;
+    case SDL_ORIENTATION_PORTRAIT_FLIPPED:
+        SDL_snprintfcat(text, maxlen, "PORTRAIT_FLIPPED");
+        break;
+    default:
+        SDL_snprintfcat(text, maxlen, "0x%8.8x", orientation);
+        break;
+    }
+}
+
+static void
+SDLTest_PrintWindowFlag(char* text, size_t maxlen, Uint32 flag)
+{
+    switch (flag) {
+    case SDL_WINDOW_FULLSCREEN:
+        SDL_snprintfcat(text, maxlen, "FULLSCREEN");
+        break;
+    case SDL_WINDOW_OPENGL:
+        SDL_snprintfcat(text, maxlen, "OPENGL");
+        break;
+    case SDL_WINDOW_SHOWN:
+        SDL_snprintfcat(text, maxlen, "SHOWN");
+        break;
+    case SDL_WINDOW_HIDDEN:
+        SDL_snprintfcat(text, maxlen, "HIDDEN");
+        break;
+    case SDL_WINDOW_BORDERLESS:
+        SDL_snprintfcat(text, maxlen, "BORDERLESS");
+        break;
+    case SDL_WINDOW_RESIZABLE:
+        SDL_snprintfcat(text, maxlen, "RESIZABLE");
+        break;
+    case SDL_WINDOW_MINIMIZED:
+        SDL_snprintfcat(text, maxlen, "MINIMIZED");
+        break;
+    case SDL_WINDOW_MAXIMIZED:
+        SDL_snprintfcat(text, maxlen, "MAXIMIZED");
+        break;
+    case SDL_WINDOW_MOUSE_GRABBED:
+        SDL_snprintfcat(text, maxlen, "MOUSE_GRABBED");
+        break;
+    case SDL_WINDOW_INPUT_FOCUS:
+        SDL_snprintfcat(text, maxlen, "INPUT_FOCUS");
+        break;
+    case SDL_WINDOW_MOUSE_FOCUS:
+        SDL_snprintfcat(text, maxlen, "MOUSE_FOCUS");
+        break;
+    case SDL_WINDOW_FULLSCREEN_DESKTOP:
+        SDL_snprintfcat(text, maxlen, "FULLSCREEN_DESKTOP");
+        break;
+    case SDL_WINDOW_FOREIGN:
+        SDL_snprintfcat(text, maxlen, "FOREIGN");
+        break;
+    case SDL_WINDOW_ALLOW_HIGHDPI:
+        SDL_snprintfcat(text, maxlen, "ALLOW_HIGHDPI");
+        break;
+    case SDL_WINDOW_MOUSE_CAPTURE:
+        SDL_snprintfcat(text, maxlen, "MOUSE_CAPTURE");
+        break;
+    case SDL_WINDOW_ALWAYS_ON_TOP:
+        SDL_snprintfcat(text, maxlen, "ALWAYS_ON_TOP");
+        break;
+    case SDL_WINDOW_SKIP_TASKBAR:
+        SDL_snprintfcat(text, maxlen, "SKIP_TASKBAR");
+        break;
+    case SDL_WINDOW_UTILITY:
+        SDL_snprintfcat(text, maxlen, "UTILITY");
+        break;
+    case SDL_WINDOW_TOOLTIP:
+        SDL_snprintfcat(text, maxlen, "TOOLTIP");
+        break;
+    case SDL_WINDOW_POPUP_MENU:
+        SDL_snprintfcat(text, maxlen, "POPUP_MENU");
+        break;
+    case SDL_WINDOW_KEYBOARD_GRABBED:
+        SDL_snprintfcat(text, maxlen, "KEYBOARD_GRABBED");
+        break;
+    case SDL_WINDOW_VULKAN:
+        SDL_snprintfcat(text, maxlen, "VULKAN");
+        break;
+    case SDL_WINDOW_METAL:
+        SDL_snprintfcat(text, maxlen, "METAL");
+        break;
+    default:
+        SDL_snprintfcat(text, maxlen, "0x%8.8x", flag);
+        break;
+    }
+}
+
+static void
+SDLTest_PrintWindowFlags(char* text, size_t maxlen, Uint32 flags)
+{
+    const Uint32 window_flags[] = {
+        SDL_WINDOW_FULLSCREEN,
+        SDL_WINDOW_OPENGL,
+        SDL_WINDOW_SHOWN,
+        SDL_WINDOW_HIDDEN,
+        SDL_WINDOW_BORDERLESS,
+        SDL_WINDOW_RESIZABLE,
+        SDL_WINDOW_MINIMIZED,
+        SDL_WINDOW_MAXIMIZED,
+        SDL_WINDOW_MOUSE_GRABBED,
+        SDL_WINDOW_INPUT_FOCUS,
+        SDL_WINDOW_MOUSE_FOCUS,
+        SDL_WINDOW_FULLSCREEN_DESKTOP,
+        SDL_WINDOW_FOREIGN,
+        SDL_WINDOW_ALLOW_HIGHDPI,
+        SDL_WINDOW_MOUSE_CAPTURE,
+        SDL_WINDOW_ALWAYS_ON_TOP,
+        SDL_WINDOW_SKIP_TASKBAR,
+        SDL_WINDOW_UTILITY,
+        SDL_WINDOW_TOOLTIP,
+        SDL_WINDOW_POPUP_MENU,
+        SDL_WINDOW_KEYBOARD_GRABBED,
+        SDL_WINDOW_VULKAN,
+        SDL_WINDOW_METAL
+    };
+
+    int i;
+    int count = 0;
+    for (i = 0; i < (sizeof(window_flags) / sizeof(window_flags[0])); ++i) {
+        const Uint32 flag = window_flags[i];
+        if ((flags & flag) == flag) {
+            if (count > 0) {
+                SDL_snprintfcat(text, maxlen, " | ");
+            }
+            SDLTest_PrintWindowFlag(text, maxlen, flag);
+            ++count;
+        }
+    }
+}
+
+static void
+SDLTest_PrintButtonMask(char* text, size_t maxlen, Uint32 flags)
+{
+    int i;
+    int count = 0;
+    for (i = 1; i <= 32; ++i) {
+        const Uint32 flag = SDL_BUTTON(i);
+        if ((flags & flag) == flag) {
+            if (count > 0) {
+                SDL_snprintfcat(text, maxlen, " | ");
+            }
+            SDL_snprintfcat(text, maxlen, "SDL_BUTTON(%d)", i);
+            ++count;
+        }
+    }
+}
+
+static void
 SDLTest_PrintRendererFlag(char *text, size_t maxlen, Uint32 flag)
 {
     switch (flag) {
@@ -1990,4 +2154,115 @@ SDLTest_CommonQuit(SDLTest_CommonState * state)
     SDLTest_LogAllocations();
 }
 
+void
+SDLTest_CommonDrawWindowInfo(SDL_Renderer * renderer, SDL_Window * window)
+{
+    char text[1024];
+    int textY = 0;
+    const int lineHeight = 10;
+    int x, y, w, h;
+    SDL_Rect rect;
+    SDL_DisplayMode mode;
+    float ddpi, hdpi, vdpi;
+    Uint32 flags;
+    const int windowDisplayIndex = SDL_GetWindowDisplayIndex(window);
+
+    /* Renderer */
+
+    if (0 == SDL_GetRendererOutputSize(renderer, &w, &h)) {
+        SDL_snprintf(text, sizeof(text), "SDL_GetRendererOutputSize: %dx%d", w, h);
+        SDLTest_DrawString(renderer, 0, textY, text);
+        textY += lineHeight;
+    }
+
+    SDL_RenderGetViewport(renderer, &rect);
+    SDL_snprintf(text, sizeof(text), "SDL_RenderGetViewport: %d,%d, %dx%d",
+                 rect.x, rect.y, rect.w, rect.h);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    /* Window */
+
+    SDLTest_DrawString(renderer, 0, textY, "----");
+    textY += lineHeight;
+
+    SDL_GetWindowPosition(window, &x, &y);
+    SDL_snprintf(text, sizeof(text), "SDL_GetWindowPosition: %d,%d", x, y);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    SDL_GetWindowSize(window, &w, &h);
+    SDL_snprintf(text, sizeof(text), "SDL_GetWindowSize: %dx%d", w, h);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    SDL_snprintf(text, sizeof(text), "SDL_GetWindowFlags: ");
+    SDLTest_PrintWindowFlags(text, sizeof(text), SDL_GetWindowFlags(window));
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    /* Display */
+
+    SDLTest_DrawString(renderer, 0, textY, "----");
+    textY += lineHeight;
+
+    SDL_snprintf(text, sizeof(text), "SDL_GetWindowDisplayIndex: %d", windowDisplayIndex);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    SDL_snprintf(text, sizeof(text), "SDL_GetDisplayName: %s", SDL_GetDisplayName(windowDisplayIndex));
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    if (0 == SDL_GetDisplayBounds(windowDisplayIndex, &rect)) {
+        SDL_snprintf(text, sizeof(text), "SDL_GetDisplayBounds: %d,%d, %dx%d",
+                     rect.x, rect.y, rect.w, rect.h);
+        SDLTest_DrawString(renderer, 0, textY, text);
+        textY += lineHeight;
+    }
+
+    if (0 == SDL_GetCurrentDisplayMode(windowDisplayIndex, &mode)) {
+        SDL_snprintf(text, sizeof(text), "SDL_GetCurrentDisplayMode: %dx%d@%d",
+                     mode.w, mode.h, mode.refresh_rate);
+        SDLTest_DrawString(renderer, 0, textY, text);
+        textY += lineHeight;
+    }
+
+    if (0 == SDL_GetDesktopDisplayMode(windowDisplayIndex, &mode)) {
+        SDL_snprintf(text, sizeof(text), "SDL_GetDesktopDisplayMode: %dx%d@%d",
+                     mode.w, mode.h, mode.refresh_rate);
+        SDLTest_DrawString(renderer, 0, textY, text);
+        textY += lineHeight;
+    }
+
+    if (0 == SDL_GetDisplayDPI(windowDisplayIndex, &ddpi, &hdpi, &vdpi)) {
+        SDL_snprintf(text, sizeof(text), "SDL_GetDisplayDPI: ddpi: %f, hdpi: %f, vdpi: %f",
+                     ddpi, hdpi, vdpi);
+        SDLTest_DrawString(renderer, 0, textY, text);
+        textY += lineHeight;
+    }
+
+    SDL_snprintf(text, sizeof(text), "SDL_GetDisplayOrientation: ");
+    SDLTest_PrintDisplayOrientation(text, sizeof(text), SDL_GetDisplayOrientation(windowDisplayIndex));
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    /* Mouse */
+
+    SDLTest_DrawString(renderer, 0, textY, "----");
+    textY += lineHeight;
+
+    flags = SDL_GetMouseState(&x, &y);
+    SDL_snprintf(text, sizeof(text), "SDL_GetMouseState: %d,%d ", x, y);
+    SDLTest_PrintButtonMask(text, sizeof(text), flags);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+
+    flags = SDL_GetGlobalMouseState(&x, &y);
+    SDL_snprintf(text, sizeof(text), "SDL_GetGlobalMouseState: %d,%d ", x, y);
+    SDLTest_PrintButtonMask(text, sizeof(text), flags);
+    SDLTest_DrawString(renderer, 0, textY, text);
+    textY += lineHeight;
+}
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/test/testwm2.c b/test/testwm2.c
index d849283..1dc6635 100644
--- a/test/testwm2.c
+++ b/test/testwm2.c
@@ -105,7 +105,12 @@ loop()
         for (i = 0; i < state->num_windows; ++i) {
             SDL_Renderer *renderer = state->renderers[i];
             if (renderer != NULL) {
+                SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
                 SDL_RenderClear(renderer);
+
+                SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+                SDLTest_CommonDrawWindowInfo(renderer, state->windows[i]);
+
                 SDL_RenderPresent(renderer);
             }
         }