1 files changed, 133 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c
index e8e99cf..0a17a05 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -43,6 +43,139 @@ void updateFloatWindow(FloatingWindow* window, const char* title)
 #ifndef RAYGUI_WINDOW_CLOSEBUTTON_SIZE
 #define RAYGUI_WINDOW_CLOSEBUTTON_SIZE 18
 #endif
+
+  int closeTitleSizeDeltaHalf = (RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT -
+                                 RAYGUI_WINDOW_CLOSEBUTTON_SIZE) / 2;
+
+  // Window movement and resize collision check.
+  if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && !window->moving
+      && !window->resizing)
+  {
+    Vector2 mousePosition = GetMousePosition();
+
+    Rectangle titleCollisionRect = (Rectangle){
+      window->rect.x,
+      window->rect.y,
+      window->rect.width - (RAYGUI_WINDOW_CLOSEBUTTON_SIZE
+                            + closeTitleSizeDeltaHalf),
+      RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT
+    };
+
+    Rectangle resizeCollisionRect = (Rectangle){
+      window->rect.x + window->rect.width - 20.0,
+      window->rect.y + window->rect.height - 20.0,
+      20.0,
+      20.0
+    };
+
+    if (CheckCollisionPointRec(mousePosition, titleCollisionRect))
+    {
+      window->moving = true;
+    }
+    else if (!window->minimized
+             && CheckCollisionPointRec(mousePosition, resizeCollisionRect))
+    {
+      window->resizing = true;
+    }
+  }
+
+  // Window movement and resize update.
+  if (window->moving)
+  {
+    Vector2 mouseDelta = GetMouseDelta();
+    window->rect.x += mouseDelta.x;
+    window->rect.y += mouseDelta.y;
+
+    if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON))
+    {
+      window->moving = false;
+
+      // Clamp window position on screen.
+      window->rect.x = Clamp(window->rect.x, 0.0,
+                             GetScreenWidth() - window->rect.width);
+      window->rect.y = Clamp(window->rect.y, 0.0,
+                             GetScreenHeight() -
+                             RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT);
+    }
+  }
+  else if (window->resizing)
+  {
+    Vector2 mousePosition = GetMousePosition();
+
+    if (mousePosition.x > window->rect.x)
+    {
+      window->rect.width = mousePosition.x - window->rect.x;
+    }
+    if (mousePosition.y > window->rect.y)
+    {
+      window->rect.height = mousePosition.y - window->rect.y;
+    }
+
+    // TODO: Add window size clamp.
+    
+    if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT))
+    {
+      window->resizing = true;
+    }
+  }
+
+  if (window->minimized)
+  {
+    GuiStatusBar(
+      (Rectangle){window->rect.x, window->rect.y, window->rect.width,
+                  RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT},
+      title);
+
+    window->minimized = !GuiButton(
+      (Rectangle){window->rect.x + window->rect.width -
+                  RAYGUI_WINDOW_CLOSEBUTTON_SIZE -
+                  closeTitleSizeDeltaHalf,
+                  RAYGUI_WINDOW_CLOSEBUTTON_SIZE,
+                  RAYGUI_WINDOW_CLOSEBUTTON_SIZE},
+      "#120#");
+  }
+  else
+  {
+    window->minimized = GuiWindowBox(
+      (Rectangle){window->rect.x, window->rect.y, window->rect.width,
+                  RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT},
+      title);
+
+    if (window->callback != NULL)
+    {
+      Rectangle scissor;
+
+      GuiScrollPanel(
+        (Rectangle){window->rect.x,
+                    window->rect.y + RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT,
+                    window->rect.width,
+                    window->rect.height - RAYGUI_WINDOWBOX_STATUSBAR_HEIGHT},
+        NULL,
+        (Rectangle){window->rect.x, window->rect.y,
+                    window->contentSize.x, window->contentSize.y},
+        &window->scroll,
+        &scissor);
+
+      bool requireScissor = window->rect.width < window->contentSize.x
+        || window->rect.height < window->contentSize.y;
+
+      if (requireScissor)
+      {
+        BeginScissorMode(scissor.x, scissor.y, scissor.width, scissor.height);
+      }
+
+      window->callback((Vector2){window->rect.x, window->rect.y},
+                       window->scroll);
+
+      if (requireScissor)
+      {
+        EndScissorMode();
+      }
+    }
+
+    GuiDrawIcon(71, window->rect.x + window->rect.width - 20,
+                window->rect.y + window->rect.height - 20, 1, WHITE);
+  }
 }
 
 // Why does the universe feel strange to exist in?