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IO: Added ImGuiConfigFlags_NoSetMouseCursors. Added ImGuiBackendFlags_HasMouseCursors, ImGuiBackendFlags_HasSetMousePos. (#787, #1495, #1202)

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This commit is contained in:
omar
2018-03-20 21:19:23 +01:00
parent dcf7c3d188
commit 75c3793db5
13 changed files with 146 additions and 72 deletions
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19
examples/directx12_example/imgui_impl_dx12.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors and ImGuiBackendFlags_HasSetMousePos flags + honor ImGuiConfigFlags_NoSetMouseCursor flag.
// 2018-02-22: Merged into master with all Win32 code synchronized to other examples.
#include "imgui.h"
@ -221,9 +222,12 @@ void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data)
}
}
static void ImGui_ImplWin32_UpdateMouseCursor()
static bool ImGui_ImplWin32_UpdateMouseCursor()
{
ImGuiIO& io = ImGui::GetIO();
if (io.ConfigFlags & ImGuiConfigFlags_NoSetMouseCursor)
return false;
ImGuiMouseCursor imgui_cursor = io.MouseDrawCursor ? ImGuiMouseCursor_None : ImGui::GetMouseCursor();
if (imgui_cursor == ImGuiMouseCursor_None)
{
@ -246,6 +250,7 @@ static void ImGui_ImplWin32_UpdateMouseCursor()
}
::SetCursor(::LoadCursor(NULL, win32_cursor));
}
return true;
}
// Process Win32 mouse/keyboard inputs.
@ -315,11 +320,8 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
io.AddInputCharacter((unsigned short)wParam);
return 0;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT)
{
ImGui_ImplWin32_UpdateMouseCursor();
if (LOWORD(lParam) == HTCLIENT && ImGui_ImplWin32_UpdateMouseCursor())
return 1;
}
return 0;
}
return 0;
@ -718,8 +720,13 @@ bool ImGui_ImplDX12_Init(void* hwnd, int num_frames_in_flight,
if (!QueryPerformanceCounter((LARGE_INTEGER *)&g_Time))
return false;
// Setup back-end capabilities flags
ImGuiIO& io = ImGui::GetIO();
io.KeyMap[ImGuiKey_Tab] = VK_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
// Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
io.KeyMap[ImGuiKey_Tab] = VK_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = VK_UP;