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Account for chrome padding and menu bar when auto-relocating windows

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This commit is contained in:
elasota
2020-04-05 18:30:04 -04:00
parent f56d879d12
commit b827048c36
3 changed files with 18 additions and 5 deletions
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17
PortabilityLayer/WindowManager.cpp
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@@ -813,6 +813,8 @@ namespace PortabilityLayer
void WindowManagerImpl::HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight)
{
const uint32_t menuBarHeight = PortabilityLayer::MenuManager::GetInstance()->GetMenuBarHeight();
for (PortabilityLayer::WindowImpl *window = m_windowStackTop; window != nullptr; window = window->GetWindowBelow())
{
uint16_t chromePadding[WindowChromeSides::kCount];
@@ -834,13 +836,18 @@ namespace PortabilityLayer
}
int64_t newY = 0;
if (newHeight <= paddedHeight || prevHeight <= paddedHeight)
newY = (static_cast<int64_t>(newHeight) - paddedHeight) / 2;
if (window->m_wmY < static_cast<int32_t>(menuBarHeight))
newY = window->m_wmY;
else
{
uint32_t prevClearanceY = prevHeight - paddedHeight;
uint32_t newClearanceY = newHeight - paddedHeight;
newY = static_cast<int64_t>(window->m_wmY) * static_cast<int64_t>(newClearanceY) / static_cast<int64_t>(prevClearanceY);
if (newHeight <= (paddedHeight + menuBarHeight) || prevHeight <= paddedHeight + menuBarHeight)
newY = (static_cast<int64_t>(newHeight) - paddedHeight - menuBarHeight) / 2 + menuBarHeight;
else
{
uint32_t prevClearanceY = prevHeight - paddedHeight - menuBarHeight;
uint32_t newClearanceY = newHeight - paddedHeight - menuBarHeight;
newY = (static_cast<int64_t>(window->m_wmY) - static_cast<int64_t>(menuBarHeight) - chromePadding[WindowChromeSides::kTop]) * static_cast<int64_t>(newClearanceY) / static_cast<int64_t>(prevClearanceY) + menuBarHeight + chromePadding[WindowChromeSides::kTop];
}
}
newX = std::max<int64_t>(0, std::min<int64_t>(newX, newWidth - 1));