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Now ignoring 4th and 5th mouse buttons if they don't exist. Was

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previously querying their state, sometimes getting the wrong
answer from the OS that they were down, which prevented switching
screens.
This commit is contained in:
crs
2004-12-29 21:12:05 +00:00
parent 7aea3964f5
commit 3ae1b916ea
1 changed files with 14 additions and 5 deletions
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19
lib/platform/CMSWindowsScreen.cpp
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@@ -718,12 +718,15 @@ CMSWindowsScreen::handleSystemEvent(const CEvent& event, void*)
void
CMSWindowsScreen::updateButtons()
{
int numButtons = GetSystemMetrics(SM_CMOUSEBUTTONS);
m_buttons[kButtonNone] = false;
m_buttons[kButtonLeft] = (GetKeyState(VK_LBUTTON) < 0);
m_buttons[kButtonMiddle] = (GetKeyState(VK_MBUTTON) < 0);
m_buttons[kButtonRight] = (GetKeyState(VK_RBUTTON) < 0);
m_buttons[kButtonExtra0 + 0] = (GetKeyState(VK_XBUTTON1) < 0);
m_buttons[kButtonExtra0 + 1] = (GetKeyState(VK_XBUTTON2) < 0);
m_buttons[kButtonMiddle] = (GetKeyState(VK_MBUTTON) < 0);
m_buttons[kButtonExtra0 + 0] = (numButtons >= 4) &&
(GetKeyState(VK_XBUTTON1) < 0);
m_buttons[kButtonExtra0 + 1] = (numButtons >= 5) &&
(GetKeyState(VK_XBUTTON2) < 0);
}
IKeyState*
@@ -1329,10 +1332,16 @@ CMSWindowsScreen::mapButtonFromEvent(WPARAM msg, LPARAM button) const
case WM_NCXBUTTONUP:
switch (button) {
case XBUTTON1:
return kButtonExtra0 + 0;
if (GetSystemMetrics(SM_CMOUSEBUTTONS) >= 4) {
return kButtonExtra0 + 0;
}
break;
case XBUTTON2:
return kButtonExtra0 + 1;
if (GetSystemMetrics(SM_CMOUSEBUTTONS) >= 5) {
return kButtonExtra0 + 1;
}
break;
}
return kButtonNone;