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Handle situation when WM_*BUTTONDOWN and WM_*BUTTONUP received at the… #1320

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Handle situation when WM_*BUTTONDOWN and WM_*BUTTONUP received at the… #1320

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22 changes: 19 additions & 3 deletions examples/directx10_example/imgui_impl_dx10.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ static ID3D10RasterizerState* g_pRasterizerState = NULL;
static ID3D10BlendState* g_pBlendState = NULL;
static ID3D10DepthStencilState* g_pDepthStencilState = NULL;
static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000;
static bool g_PrevMouseDown[3] = { 0, 0, 0 };
static bool g_MouseNeedRelease[3] = { 0, 0, 0 };

struct VERTEX_CONSTANT_BUFFER
{
Expand Down Expand Up @@ -234,19 +236,28 @@ IMGUI_API LRESULT ImGui_ImplDX10_WndProcHandler(HWND, UINT msg, WPARAM wParam, L
io.MouseDown[0] = true;
return true;
case WM_LBUTTONUP:
io.MouseDown[0] = false;
if(g_PrevMouseDown[0])
io.MouseDown[0] = false;
else
g_MouseNeedRelease[0] = true;
return true;
case WM_RBUTTONDOWN:
io.MouseDown[1] = true;
return true;
case WM_RBUTTONUP:
io.MouseDown[1] = false;
if(g_PrevMouseDown[1])
io.MouseDown[1] = false;
else
g_MouseNeedRelease[1] = true;
return true;
case WM_MBUTTONDOWN:
io.MouseDown[2] = true;
return true;
case WM_MBUTTONUP:
io.MouseDown[2] = false;
if(g_PrevMouseDown[2])
io.MouseDown[2] = false;
else
g_MouseNeedRelease[2] = true;
return true;
case WM_MOUSEWHEEL:
io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
Expand Down Expand Up @@ -578,4 +589,9 @@ void ImGui_ImplDX10_NewFrame()

// Start the frame
ImGui::NewFrame();

g_PrevMouseDown[0] = io.MouseDown[0]; g_PrevMouseDown[1] = io.MouseDown[1]; g_PrevMouseDown[2] = io.MouseDown[2];
if(g_MouseNeedRelease[0]) { io.MouseDown[0] = g_MouseNeedRelease[0] = false; }
if(g_MouseNeedRelease[1]) { io.MouseDown[1] = g_MouseNeedRelease[1] = false; }
if(g_MouseNeedRelease[2]) { io.MouseDown[2] = g_MouseNeedRelease[2] = false; }
}
22 changes: 19 additions & 3 deletions examples/directx11_example/imgui_impl_dx11.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ static ID3D11RasterizerState* g_pRasterizerState = NULL;
static ID3D11BlendState* g_pBlendState = NULL;
static ID3D11DepthStencilState* g_pDepthStencilState = NULL;
static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000;
static bool g_PrevMouseDown[3] = { 0, 0, 0 };
static bool g_MouseNeedRelease[3] = { 0, 0, 0 };

struct VERTEX_CONSTANT_BUFFER
{
Expand Down Expand Up @@ -241,19 +243,28 @@ IMGUI_API LRESULT ImGui_ImplDX11_WndProcHandler(HWND, UINT msg, WPARAM wParam, L
io.MouseDown[0] = true;
return true;
case WM_LBUTTONUP:
io.MouseDown[0] = false;
if(g_PrevMouseDown[0])
io.MouseDown[0] = false;
else
g_MouseNeedRelease[0] = true;
return true;
case WM_RBUTTONDOWN:
io.MouseDown[1] = true;
return true;
case WM_RBUTTONUP:
io.MouseDown[1] = false;
if(g_PrevMouseDown[1])
io.MouseDown[1] = false;
else
g_MouseNeedRelease[1] = true;
return true;
case WM_MBUTTONDOWN:
io.MouseDown[2] = true;
return true;
case WM_MBUTTONUP:
io.MouseDown[2] = false;
if(g_PrevMouseDown[2])
io.MouseDown[2] = false;
else
g_MouseNeedRelease[2] = true;
return true;
case WM_MOUSEWHEEL:
io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
Expand Down Expand Up @@ -581,4 +592,9 @@ void ImGui_ImplDX11_NewFrame()

// Start the frame
ImGui::NewFrame();

g_PrevMouseDown[0] = io.MouseDown[0]; g_PrevMouseDown[1] = io.MouseDown[1]; g_PrevMouseDown[2] = io.MouseDown[2];
if(g_MouseNeedRelease[0]) { io.MouseDown[0] = g_MouseNeedRelease[0] = false; }
if(g_MouseNeedRelease[1]) { io.MouseDown[1] = g_MouseNeedRelease[1] = false; }
if(g_MouseNeedRelease[2]) { io.MouseDown[2] = g_MouseNeedRelease[2] = false; }
}
22 changes: 19 additions & 3 deletions examples/directx9_example/imgui_impl_dx9.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL;
static LPDIRECT3DINDEXBUFFER9 g_pIB = NULL;
static LPDIRECT3DTEXTURE9 g_FontTexture = NULL;
static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000;
static bool g_PrevMouseDown[3] = { 0, 0, 0 };
static bool g_MouseNeedRelease[3] = { 0, 0, 0 };

struct CUSTOMVERTEX
{
Expand Down Expand Up @@ -180,19 +182,28 @@ IMGUI_API LRESULT ImGui_ImplDX9_WndProcHandler(HWND, UINT msg, WPARAM wParam, LP
io.MouseDown[0] = true;
return true;
case WM_LBUTTONUP:
io.MouseDown[0] = false;
if(g_PrevMouseDown[0])
io.MouseDown[0] = false;
else
g_MouseNeedRelease[0] = true;
return true;
case WM_RBUTTONDOWN:
io.MouseDown[1] = true;
return true;
case WM_RBUTTONUP:
io.MouseDown[1] = false;
if(g_PrevMouseDown[1])
io.MouseDown[1] = false;
else
g_MouseNeedRelease[1] = true;
return true;
case WM_MBUTTONDOWN:
io.MouseDown[2] = true;
return true;
case WM_MBUTTONUP:
io.MouseDown[2] = false;
if(g_PrevMouseDown[2])
io.MouseDown[2] = false;
else
g_MouseNeedRelease[2] = true;
return true;
case WM_MOUSEWHEEL:
io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
Expand Down Expand Up @@ -355,4 +366,9 @@ void ImGui_ImplDX9_NewFrame()

// Start the frame
ImGui::NewFrame();

g_PrevMouseDown[0] = io.MouseDown[0]; g_PrevMouseDown[1] = io.MouseDown[1]; g_PrevMouseDown[2] = io.MouseDown[2];
if(g_MouseNeedRelease[0]) { io.MouseDown[0] = g_MouseNeedRelease[0] = false; }
if(g_MouseNeedRelease[1]) { io.MouseDown[1] = g_MouseNeedRelease[1] = false; }
if(g_MouseNeedRelease[2]) { io.MouseDown[2] = g_MouseNeedRelease[2] = false; }
}