Remove command-line options from GUI-only test

tests/CMakeLists.txt

@@ -51,7 +51,7 @@ add_executable(threads WIN32 MACOSX_BUNDLE threads.c ${TINYCTHREAD} ${GLAD_GL})
 add_executable(timeout WIN32 MACOSX_BUNDLE timeout.c ${GLAD_GL})
 add_executable(title WIN32 MACOSX_BUNDLE title.c ${GLAD_GL})
 add_executable(triangle-vulkan WIN32 triangle-vulkan.c ${ICON} ${GLAD_VULKAN})
-add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GETOPT} ${GLAD_GL})
+add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GLAD_GL})
 
 target_link_libraries(empty "${CMAKE_THREAD_LIBS_INIT}")
 target_link_libraries(threads "${CMAKE_THREAD_LIBS_INIT}")

tests/windows.c

@@ -34,8 +34,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "getopt.h"
+static GLFWwindow* windows[4];
-
 static const char* titles[] =
 {
     "Red",
@@ -55,20 +54,26 @@ static const struct
     { 0.98f, 0.74f, 0.04f }
 };
 
-static void usage(void)
-{
-    printf("Usage: windows [-h] [-b] [-f] \n");
-    printf("Options:\n");
-    printf("  -b create decorated windows\n");
-    printf("  -f set focus on show off for all but first window\n");
-    printf("  -h show this help\n");
-}
-
 static void error_callback(int error, const char* description)
 {
     fprintf(stderr, "Error: %s\n", description);
 }
 
+static void arrange_windows(void)
+{
+    int xbase, ybase;
+    glfwGetWindowPos(windows[0], &xbase, &ybase);
+
+    for (int i = 0;  i < 4;  i++)
+    {
+        int left, top, right, bottom;
+        glfwGetWindowFrameSize(windows[i], &left, &top, &right, &bottom);
+        glfwSetWindowPos(windows[i],
+                         xbase + (i & 1) * (200 + left + right),
+                         ybase + (i >> 1) * (200 + top + bottom));
+    }
+}
+
 static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
 {
     if (action != GLFW_PRESS)
@@ -87,49 +92,34 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
         case GLFW_KEY_ESCAPE:
             glfwSetWindowShouldClose(window, GLFW_TRUE);
             break;
+
+        case GLFW_KEY_D:
+        {
+            for (int i = 0;  i < 4;  i++)
+            {
+                const int decorated = glfwGetWindowAttrib(windows[i], GLFW_DECORATED);
+                glfwSetWindowAttrib(windows[i], GLFW_DECORATED, !decorated);
+            }
+
+            arrange_windows();
+            break;
+        }
     }
 }
 
 int main(int argc, char** argv)
 {
-    int i, ch;
-    int decorated = GLFW_FALSE;
-    int focusOnShow = GLFW_TRUE;
-    int running = GLFW_TRUE;
-    GLFWwindow* windows[4];
-
-    while ((ch = getopt(argc, argv, "bfh")) != -1)
-    {
-        switch (ch)
-        {
-            case 'b':
-                decorated = GLFW_TRUE;
-                break;
-            case 'f':
-                focusOnShow = GLFW_FALSE;
-                break;
-            case 'h':
-                usage();
-                exit(EXIT_SUCCESS);
-            default:
-                usage();
-                exit(EXIT_FAILURE);
-        }
-    }
-
     glfwSetErrorCallback(error_callback);
 
     if (!glfwInit())
         exit(EXIT_FAILURE);
 
-    glfwWindowHint(GLFW_DECORATED, decorated);
     glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
 
-    for (i = 0;  i < 4;  i++)
+    for (int i = 0;  i < 4;  i++)
     {
-        int left, top, right, bottom;
+        if (i > 0)
-        if (i)
+            glfwWindowHint(GLFW_FOCUS_ON_SHOW, GLFW_FALSE);
-            glfwWindowHint(GLFW_FOCUS_ON_SHOW, focusOnShow);
 
         windows[i] = glfwCreateWindow(200, 200, titles[i], NULL, NULL);
         if (!windows[i])
@@ -143,32 +133,29 @@ int main(int argc, char** argv)
         glfwMakeContextCurrent(windows[i]);
         gladLoadGL(glfwGetProcAddress);
         glClearColor(colors[i].r, colors[i].g, colors[i].b, 1.f);
-
-        glfwGetWindowFrameSize(windows[i], &left, &top, &right, &bottom);
-        glfwSetWindowPos(windows[i],
-                         100 + (i & 1) * (200 + left + right),
-                         100 + (i >> 1) * (200 + top + bottom));
     }
 
-    for (i = 0;  i < 4;  i++)
+    arrange_windows();
+
+    for (int i = 0;  i < 4;  i++)
         glfwShowWindow(windows[i]);
 
-    while (running)
+    for (;;)
     {
-        for (i = 0;  i < 4;  i++)
+        for (int i = 0;  i < 4;  i++)
         {
             glfwMakeContextCurrent(windows[i]);
             glClear(GL_COLOR_BUFFER_BIT);
             glfwSwapBuffers(windows[i]);
 
             if (glfwWindowShouldClose(windows[i]))
-                running = GLFW_FALSE;
+            {
+                glfwTerminate();
+                exit(EXIT_SUCCESS);
+            }
         }
 
         glfwWaitEvents();
     }
-
-    glfwTerminate();
-    exit(EXIT_SUCCESS);
 }