Merge pull request #719 from MarcoLizza/window-visibility

Window visibility

2 files changed, 36 insertions, 4 deletions

diff --git a/src/core.c b/src/core.c
index 1c703e5b..c84610ba 100644
--- a/src/core.c
+++ b/src/core.c
@@ -826,6 +826,31 @@ void SetWindowSize(int width, int height)
 #endif
 }
 
+// Show the window
+void ShowWindow()
+{
+#if defined(PLATFORM_DESKTOP)
+    glfwShowWindow(window);
+#endif
+}
+
+// Hide the window
+void HideWindow()
+{
+#if defined(PLATFORM_DESKTOP)
+    glfwHideWindow(window);
+#endif
+}
+
+// Check if window is currently hidden
+bool IsWindowHidden()
+{
+#if defined(PLATFORM_DESKTOP)
+    return glfwGetWindowAttrib(window, GLFW_VISIBLE) == GL_FALSE;
+#endif
+    return false;
+}
+
 // Get current screen width
 int GetScreenWidth(void)
 {
@@ -2257,8 +2282,11 @@ static bool InitGraphicsDevice(int width, int height)
     //glfwWindowHint(GLFW_AUX_BUFFERS, 0);          // Number of auxiliar buffers
 
     // Check some Window creation flags
-    if (configFlags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);       // Resizable window
-    else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);  // Avoid window being resizable
+    if (configFlags & FLAG_WINDOW_HIDDEN) glfwWindowHint(GLFW_VISIBLE, GL_FALSE);       // Visible window
+    else glfwWindowHint(GLFW_VISIBLE, GL_TRUE);     // Window initially hidden
+
+    if (configFlags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GL_TRUE);       // Resizable window
+    else glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);  // Avoid window being resizable
 
     if (configFlags & FLAG_WINDOW_UNDECORATED) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);    // Border and buttons on Window
     else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE);   // Decorated window
diff --git a/src/raylib.h b/src/raylib.h
index ed863649..b554d10d 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -415,8 +415,9 @@ typedef enum {
     FLAG_WINDOW_RESIZABLE   = 4,    // Set to allow resizable window
     FLAG_WINDOW_UNDECORATED = 8,    // Set to disable window decoration (frame and buttons)
     FLAG_WINDOW_TRANSPARENT = 16,   // Set to allow transparent window
-    FLAG_MSAA_4X_HINT       = 32,   // Set to try enabling MSAA 4X
-    FLAG_VSYNC_HINT         = 64    // Set to try enabling V-Sync on GPU
+    FLAG_WINDOW_HIDDEN      = 32,   // Set to create the window initially hidden
+    FLAG_MSAA_4X_HINT       = 64,   // Set to try enabling MSAA 4X
+    FLAG_VSYNC_HINT         = 128   // Set to try enabling V-Sync on GPU
 } ConfigFlag;
 
 // Trace log type
@@ -844,6 +845,9 @@ RLAPI void SetWindowPosition(int x, int y);                       // Set window
 RLAPI void SetWindowMonitor(int monitor);                         // Set monitor for the current window (fullscreen mode)
 RLAPI void SetWindowMinSize(int width, int height);               // Set window minimum dimensions (for FLAG_WINDOW_RESIZABLE)
 RLAPI void SetWindowSize(int width, int height);                  // Set window dimensions
+RLAPI void ShowWindow();                                          // Show the window
+RLAPI void HideWindow();                                          // Hide the window
+RLAPI bool IsWindowHidden();                                      // Check if window is currently hidden
 RLAPI int GetScreenWidth(void);                                   // Get current screen width
 RLAPI int GetScreenHeight(void);                                  // Get current screen height
 RLAPI void *GetWindowHandle(void);                                // Get native window handle