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Better handling of keys held down when IDE takes focus

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This commit is contained in:
Brian Fiete 2021-11-27 07:08:24 -08:00
parent ec61583db8
commit 88711eae69
2 changed files with 51 additions and 10 deletions
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48
BeefySysLib/platform/win/WinBFApp.cpp
View file

@ -128,8 +128,6 @@ WinBFWindow::WinBFWindow(BFWindow* parent, const StringImpl& title, int x, int y
wc.lpszMenuName = NULL;
RegisterClassW(&wc);
int requestedX = x;
int requestedY = y;
@ -279,6 +277,9 @@ WinBFWindow::WinBFWindow(BFWindow* parent, const StringImpl& title, int x, int y
mAlphaMaskWidth = 0;
mAlphaMaskHeight = 0;
mNeedsStateReset = false;
mAwaitKeyReleases = false;
mAwaitKeyEventTick = 0;
mFocusLostTick = ::GetTickCount();
if (windowFlags & BFWINDOW_DEST_ALPHA)
{
@ -351,6 +352,8 @@ void WinBFWindow::SetTitle(const char* title)
void WinBFWindow::LostFocus(BFWindow* newFocus)
{
///OutputDebugStrF("Lost focus\n");
mFocusLostTick = ::GetTickCount();
WinBFWindow* bfNewFocus = (WinBFWindow*)newFocus;
mSoftHasFocus = false;
for (int i = 0; i < KEYCODE_MAX; i++)
@ -373,6 +376,9 @@ void WinBFWindow::LostFocus(BFWindow* newFocus)
void WinBFWindow::SetForeground()
{
bool hadFocus = mHasFocus;
DWORD prevFocusLostTick = mFocusLostTick;
if (mFlags & BFWINDOW_FAKEFOCUS)
{
mHasFocus = true;
@ -382,8 +388,13 @@ void WinBFWindow::SetForeground()
::SetFocus(mHWnd);
::SetForegroundWindow(mHWnd);
if ((!hadFocus) && (::GetTickCount() - prevFocusLostTick >= 1000))
{
mAwaitKeyReleases = true;
mAwaitKeyEventTick = ::GetTickCount();
}
//OutputDebugStrF("SetForeground %p\n", mHWnd);
//OutputDebugStrF("SetForeground %p %d %d %d\n", mHWnd, hadFocus, ::GetTickCount() - prevFocusLostTick, mAwaitKeyReleases);
}
static POINT gLastScreenMouseCoords = { -1, -1 };
@ -407,6 +418,30 @@ void WinBFWindow::RehupMouseOver(bool isMouseOver)
}
}
bool WinBFWindow::CheckKeyReleases(bool isKeyDown)
{
if (!mAwaitKeyReleases)
return true;
// Time expired with no key presses
if ((mAwaitKeyEventTick != 0) && (::GetTickCount() - mAwaitKeyEventTick > 120))
{
mAwaitKeyReleases = false;
return true;
}
mAwaitKeyEventTick = 0;
bool hasKeyDown = false;
uint8 keysDown[256] = { 0 };
::GetKeyboardState((PBYTE)&keysDown);
for (int i = 0; i < 256; i++)
if (keysDown[i] & 0x80)
hasKeyDown = true;
if (!hasKeyDown)
mAwaitKeyReleases = false;
return !mAwaitKeyReleases;
}
LRESULT WinBFWindow::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
WinBFApp* app = (WinBFApp*) gBFApp;
@ -876,6 +911,7 @@ LRESULT WinBFWindow::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
//NOTE: This line broke Alt+Gr for braces and such. Determine why this was needed.
//if ((!mIsKeyDown[VK_MENU]) && (!mIsKeyDown[VK_CONTROL]))
if (CheckKeyReleases(true))
{
for (int i = 0; i < (lParam & 0x7FFF); i++)
mKeyCharFunc(this, (WCHAR)wParam);
@ -921,7 +957,7 @@ LRESULT WinBFWindow::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
if (!mIsMenuKeyHandled)
{
if (mKeyDownFunc(this, keyCode, (lParam & 0x7FFF) != 0))
if ((CheckKeyReleases(true)) && (mKeyDownFunc(this, keyCode, (lParam & 0x7FFF) != 0)))
{
mIsMenuKeyHandled = true;
doResult = true;
@ -941,7 +977,8 @@ LRESULT WinBFWindow::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
(aMenu->mKeyCtrl == mIsKeyDown[VK_CONTROL]) &&
(aMenu->mKeyAlt == mIsKeyDown[VK_MENU]))
{
doResult = true;
if (CheckKeyReleases(true))
doResult = true;
break;
}
}
@ -965,6 +1002,7 @@ LRESULT WinBFWindow::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
mKeyUpFunc(this, keyCode);
mIsKeyDown[keyCode] = false;
}
CheckKeyReleases(false);
}
break;
case WM_SYSCOMMAND:

5
BeefySysLib/platform/win/WinBFApp.h
View file

@ -50,7 +50,9 @@ public:
bool mMouseVisible;
bool mHasFocus;
bool mSoftHasFocus; // Mostly tracks mHasFocus except for when we get an explicit 'LostFocus' callback
bool mAwaitKeyReleases;
DWORD mAwaitKeyEventTick;
DWORD mFocusLostTick;
bool mNeedsStateReset;
bool mKeyLayoutHasAltGr;
@ -58,6 +60,7 @@ public:
virtual LRESULT WindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK WindowProcStub(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
void RehupMouseOver(bool isMouseOver);
bool CheckKeyReleases(bool isKeyDown);
public:
WinBFWindow(BFWindow* parent, const StringImpl& title, int x, int y, int width, int height, int windowFlags);