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IO, Backends: add io.AddFocusEvent(). Clear pressed keys after loosing input focus (#3532)

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Amend/fix #2445, #2696, #3751, #4377
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thedmd
2021-08-02 20:17:26 +02:00
committed by ocornut
parent 86afe966d3
commit 2f40be638f
9 changed files with 93 additions and 11 deletions
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7
backends/imgui_impl_win32.cpp
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@ -33,7 +33,8 @@ typedef DWORD (WINAPI *PFN_XInputGetState)(DWORD, XINPUT_STATE*);
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-08-02: Inputs: Fixed keyboard modifiers being reported when host window doesn't have focus.
// 2021-08-17: Calling io.AddFocusEvent() on WM_SETFOCUS/WM_KILLFOCUS messages.
// 2021-08-02: Inputs: Fixed keyboard modifiers being reported when host windo doesn't have focus.
// 2021-07-29: Inputs: MousePos is correctly reported when the host platform window is hovered but not focused (using TrackMouseEvent() to receive WM_MOUSELEAVE events).
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
// 2021-06-08: Fixed ImGui_ImplWin32_EnableDpiAwareness() and ImGui_ImplWin32_GetDpiScaleForMonitor() to handle Windows 8.1/10 features without a manifest (per-monitor DPI, and properly calls SetProcessDpiAwareness() on 8.1).
@ -431,9 +432,9 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
io.KeyAlt = down;
return 0;
}
case WM_SETFOCUS:
case WM_KILLFOCUS:
memset(io.KeysDown, 0, sizeof(io.KeysDown));
io.KeyCtrl = io.KeyShift = io.KeyAlt = io.KeySuper = false;
io.AddFocusEvent(msg == WM_SETFOCUS);
return 0;
case WM_CHAR:
// You can also use ToAscii()+GetKeyboardState() to retrieve characters.