Examples: DirectX9/10/11: Renamed WndProc handler to use a generic Win32 name + returning 0 to all messages is more correct.

examples/directx10_example/imgui_impl_dx10.cpp

@@ -234,7 +234,7 @@ static bool IsAnyMouseButtonDown()
     return false;
 }
 
-IMGUI_API LRESULT ImGui_ImplDX10_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
     ImGuiIO& io = ImGui::GetIO();
     switch (msg)
@@ -242,47 +242,47 @@ IMGUI_API LRESULT ImGui_ImplDX10_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPar
     case WM_LBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[0] = true;
-        return true;
+        return 0;
     case WM_RBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[1] = true;
-        return true;
+        return 0;
     case WM_MBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[2] = true;
-        return true;
+        return 0;
     case WM_LBUTTONUP:
         io.MouseDown[0] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_RBUTTONUP:
         io.MouseDown[1] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MBUTTONUP:
         io.MouseDown[2] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MOUSEWHEEL:
         io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
-        return true;
+        return 0;
     case WM_MOUSEMOVE:
         io.MousePos.x = (signed short)(lParam);
         io.MousePos.y = (signed short)(lParam >> 16);
-        return true;
+        return 0;
     case WM_KEYDOWN:
         if (wParam < 256)
             io.KeysDown[wParam] = 1;
-        return true;
+        return 0;
     case WM_KEYUP:
         if (wParam < 256)
             io.KeysDown[wParam] = 0;
-        return true;
+        return 0;
     case WM_CHAR:
         // You can also use ToAscii()+GetKeyboardState() to retrieve characters.
         if (wParam > 0 && wParam < 0x10000)
             io.AddInputCharacter((unsigned short)wParam);
-        return true;
+        return 0;
     }
     return 0;
 }

examples/directx10_example/main.cpp

@@ -74,10 +74,10 @@ void CleanupDeviceD3D()
     if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
 }
 
-extern LRESULT ImGui_ImplDX10_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
-    if (ImGui_ImplDX10_WndProcHandler(hWnd, msg, wParam, lParam))
+    if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
         return true;
 
     switch (msg)

examples/directx11_example/imgui_impl_dx11.cpp

@@ -241,7 +241,7 @@ static bool IsAnyMouseButtonDown()
     return false;
 }
 
-IMGUI_API LRESULT ImGui_ImplDX11_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
     ImGuiIO& io = ImGui::GetIO();
     switch (msg)
@@ -249,47 +249,47 @@ IMGUI_API LRESULT ImGui_ImplDX11_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPar
     case WM_LBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[0] = true;
-        return true;
+        return 0;
     case WM_RBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[1] = true;
-        return true;
+        return 0;
     case WM_MBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[2] = true;
-        return true;
+        return 0;
     case WM_LBUTTONUP:
         io.MouseDown[0] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_RBUTTONUP:
         io.MouseDown[1] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MBUTTONUP:
         io.MouseDown[2] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MOUSEWHEEL:
         io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
-        return true;
+        return 0;
     case WM_MOUSEMOVE:
         io.MousePos.x = (signed short)(lParam);
         io.MousePos.y = (signed short)(lParam >> 16);
-        return true;
+        return 0;
     case WM_KEYDOWN:
         if (wParam < 256)
             io.KeysDown[wParam] = 1;
-        return true;
+        return 0;
     case WM_KEYUP:
         if (wParam < 256)
             io.KeysDown[wParam] = 0;
-        return true;
+        return 0;
     case WM_CHAR:
         // You can also use ToAscii()+GetKeyboardState() to retrieve characters.
         if (wParam > 0 && wParam < 0x10000)
             io.AddInputCharacter((unsigned short)wParam);
-        return true;
+        return 0;
     }
     return 0;
 }

examples/directx11_example/main.cpp

@@ -77,10 +77,10 @@ void CleanupDeviceD3D()
     if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
 }
 
-extern LRESULT ImGui_ImplDX11_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
-    if (ImGui_ImplDX11_WndProcHandler(hWnd, msg, wParam, lParam))
+    if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
         return true;
 
     switch (msg)

examples/directx9_example/imgui_impl_dx9.cpp

@@ -181,7 +181,7 @@ static bool IsAnyMouseButtonDown()
 }
 
 // We use Win32 SetCapture/ReleaseCapture() API to enable reading the mouse outside our Windows bounds.
-IMGUI_API LRESULT ImGui_ImplDX9_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
     ImGuiIO& io = ImGui::GetIO();
     switch (msg)
@@ -189,47 +189,47 @@ IMGUI_API LRESULT ImGui_ImplDX9_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPara
     case WM_LBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[0] = true;
-        return true;
+        return 0;
     case WM_RBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[1] = true;
-        return true;
+        return 0;
     case WM_MBUTTONDOWN:
         if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
         io.MouseDown[2] = true;
-        return true;
+        return 0;
     case WM_LBUTTONUP:
         io.MouseDown[0] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_RBUTTONUP:
         io.MouseDown[1] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MBUTTONUP:
         io.MouseDown[2] = false;
         if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
-        return true;
+        return 0;
     case WM_MOUSEWHEEL:
         io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
-        return true;
+        return 0;
     case WM_MOUSEMOVE:
         io.MousePos.x = (signed short)(lParam);
         io.MousePos.y = (signed short)(lParam >> 16);
-        return true;
+        return 0;
     case WM_KEYDOWN:
         if (wParam < 256)
             io.KeysDown[wParam] = 1;
-        return true;
+        return 0;
     case WM_KEYUP:
         if (wParam < 256)
             io.KeysDown[wParam] = 0;
-        return true;
+        return 0;
     case WM_CHAR:
         // You can also use ToAscii()+GetKeyboardState() to retrieve characters.
         if (wParam > 0 && wParam < 0x10000)
             io.AddInputCharacter((unsigned short)wParam);
-        return true;
+        return 0;
     }
     return 0;
 }

examples/directx9_example/main.cpp

@@ -12,10 +12,10 @@
 static LPDIRECT3DDEVICE9        g_pd3dDevice = NULL;
 static D3DPRESENT_PARAMETERS    g_d3dpp;
 
-extern LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
-    if (ImGui_ImplDX9_WndProcHandler(hWnd, msg, wParam, lParam))
+    if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
         return true;
 
     switch (msg)