Added IsAnyMouseDown() helper.

Examples: DirectX9/10/11: Using IsAnyMouseDown() instead of local function.

examples/directx10_example/imgui_impl_dx10.cpp

@@ -227,15 +227,6 @@ void ImGui_ImplDX10_RenderDrawLists(ImDrawData* draw_data)
     ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
 }
 
-static bool IsAnyMouseButtonDown()
-{
-    ImGuiIO& io = ImGui::GetIO();
-    for (int n = 0; n < IM_ARRAYSIZE(io.MouseDown); n++)
-        if (io.MouseDown[n])
-            return true;
-    return false;
-}
-
 // Process Win32 mouse/keyboard inputs. 
 // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
 // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
@@ -259,8 +250,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONDBLCLK) button = 0;
         if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONDBLCLK) button = 1;
         if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONDBLCLK) button = 2;
-        if (!IsAnyMouseButtonDown() && GetCapture() == NULL)
-            SetCapture(hwnd);
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == NULL)
+            ::SetCapture(hwnd);
         io.MouseDown[button] = true;
         return 0;
     }
@@ -273,8 +264,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_RBUTTONUP) button = 1;
         if (msg == WM_MBUTTONUP) button = 2;
         io.MouseDown[button] = false;
-        if (!IsAnyMouseButtonDown() && GetCapture() == hwnd)
-            ReleaseCapture();
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == hwnd)
+            ::ReleaseCapture();
         return 0;
     }
     case WM_MOUSEWHEEL:

examples/directx11_example/imgui_impl_dx11.cpp

@@ -234,15 +234,6 @@ void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
     ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
 }
 
-static bool IsAnyMouseButtonDown()
-{
-    ImGuiIO& io = ImGui::GetIO();
-    for (int n = 0; n < IM_ARRAYSIZE(io.MouseDown); n++)
-        if (io.MouseDown[n])
-            return true;
-    return false;
-}
-
 // Process Win32 mouse/keyboard inputs. 
 // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
 // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
@@ -266,8 +257,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONDBLCLK) button = 0;
         if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONDBLCLK) button = 1;
         if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONDBLCLK) button = 2;
-        if (!IsAnyMouseButtonDown() && GetCapture() == NULL)
-            SetCapture(hwnd);
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == NULL)
+            ::SetCapture(hwnd);
         io.MouseDown[button] = true;
         return 0;
     }
@@ -280,8 +271,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_RBUTTONUP) button = 1;
         if (msg == WM_MBUTTONUP) button = 2;
         io.MouseDown[button] = false;
-        if (!IsAnyMouseButtonDown() && GetCapture() == hwnd)
-            ReleaseCapture();
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == hwnd)
+            ::ReleaseCapture();
         return 0;
     }
     case WM_MOUSEWHEEL:

examples/directx9_example/imgui_impl_dx9.cpp

@@ -173,15 +173,6 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
     d3d9_state_block->Release();
 }
 
-static bool IsAnyMouseButtonDown()
-{
-    ImGuiIO& io = ImGui::GetIO();
-    for (int n = 0; n < IM_ARRAYSIZE(io.MouseDown); n++)
-        if (io.MouseDown[n])
-            return true;
-    return false;
-}
-
 // Process Win32 mouse/keyboard inputs. 
 // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
 // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
@@ -205,8 +196,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONDBLCLK) button = 0;
         if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONDBLCLK) button = 1;
         if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONDBLCLK) button = 2;
-        if (!IsAnyMouseButtonDown() && GetCapture() == NULL)
-            SetCapture(hwnd);
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == NULL)
+            ::SetCapture(hwnd);
         io.MouseDown[button] = true;
         return 0;
     }
@@ -219,8 +210,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
         if (msg == WM_RBUTTONUP) button = 1;
         if (msg == WM_MBUTTONUP) button = 2;
         io.MouseDown[button] = false;
-        if (!IsAnyMouseButtonDown() && GetCapture() == hwnd)
-            ReleaseCapture();
+        if (!ImGui::IsAnyMouseDown() && ::GetCapture() == hwnd)
+            ::ReleaseCapture();
         return 0;
     }
     case WM_MOUSEWHEEL:

imgui.cpp

@@ -4526,6 +4526,15 @@ bool ImGui::IsMouseDown(int button)
     return g.IO.MouseDown[button];
 }
 
+bool ImGui::IsAnyMouseDown()
+{
+    ImGuiContext& g = *GImGui;
+    for (int n = 0; n < IM_ARRAYSIZE(g.IO.MouseDown); n++)
+        if (g.IO.MouseDown[n])
+            return true;
+    return false;
+}
+
 bool ImGui::IsMouseClicked(int button, bool repeat)
 {
     ImGuiContext& g = *GImGui;

imgui.h

@@ -507,6 +507,7 @@ namespace ImGui
     IMGUI_API bool          IsKeyReleased(int user_key_index);                                  // was key released (went from Down to !Down)..
     IMGUI_API int           GetKeyPressedAmount(int key_index, float repeat_delay, float rate); // uses provided repeat rate/delay. return a count, most often 0 or 1 but might be >1 if RepeatRate is small enough that DeltaTime > RepeatRate
     IMGUI_API bool          IsMouseDown(int button);                                            // is mouse button held
+    IMGUI_API bool          IsAnyMouseDown();                                                   // is any mouse button held
     IMGUI_API bool          IsMouseClicked(int button, bool repeat = false);                    // did mouse button clicked (went from !Down to Down)
     IMGUI_API bool          IsMouseDoubleClicked(int button);                                   // did mouse button double-clicked. a double-click returns false in IsMouseClicked(). uses io.MouseDoubleClickTime.
     IMGUI_API bool          IsMouseReleased(int button);                                        // did mouse button released (went from Down to !Down)