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Fix Win32 keyboard input of CTRL/ALT/Shift keys

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CTRL/ALT/SHIFT keys alone should be ignored

add WM_SYSKEYDOWN event which is called when ALT is pressed
This commit is contained in:
Thomas Bernard 2018-09-16 00:05:13 +02:00
parent 65c761345f
commit 9f82984896
1 changed files with 16 additions and 7 deletions
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19
src/win32screen.c
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@ -157,10 +157,23 @@ static LRESULT CALLBACK Win32_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LP
user_feedback_required = 1; user_feedback_required = 1;
return 0; return 0;
// WM_MBUTTONDBLCLK // WM_MBUTTONDBLCLK
case WM_SYSKEYDOWN: // Sent when ALT is pressed
case WM_KEYDOWN: // lParam & 0xffff => repeat count. (lParam >> 16) & 0x1ff => scancode case WM_KEYDOWN: // lParam & 0xffff => repeat count. (lParam >> 16) & 0x1ff => scancode
switch (wParam)
{
// Ignore isolated shift, alt, control and window keys
case VK_SHIFT:
case VK_CONTROL:
case VK_MENU:
case VK_LWIN:
case VK_RWIN:
break;
default:
Key = wParam|Get_Key_modifiers(); Key = wParam|Get_Key_modifiers();
user_feedback_required = 1; user_feedback_required = 1;
}
return 0; return 0;
case WM_SYSKEYUP:
case WM_KEYUP: case WM_KEYUP:
return 0; return 0;
case WM_CHAR: case WM_CHAR:
@ -193,11 +206,7 @@ static LRESULT CALLBACK Win32_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LP
} }
return 0; return 0;
default: default:
{ GFX2_Log(GFX2_INFO, "Win32_WindowProc() unknown Message : 0x%04x wParam=%08x lParam=%08lx\n", uMsg, wParam, lParam);
char msg[256];
snprintf(msg, sizeof(msg), "unknown Message : 0x%04x wParam=%08x lParam=%08lx", uMsg, wParam, lParam);
Warning(msg);
}
} }
return DefWindowProc(hwnd, uMsg, wParam, lParam); return DefWindowProc(hwnd, uMsg, wParam, lParam);
} }