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Partial resolution change support

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This commit is contained in:
elasota
2020-04-01 14:53:44 -04:00
parent e114d5c5dd
commit 6326a0b2d9
24 changed files with 495 additions and 124 deletions
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55
PortabilityLayer/WindowManager.cpp
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@@ -17,6 +17,8 @@
#include "Vec2i.h"
#include "WindowDef.h"
#include <algorithm>
struct GDevice;
namespace PortabilityLayer
@@ -130,6 +132,8 @@ namespace PortabilityLayer
void RenderFrame(IGpDisplayDriver *displayDriver) override;
void HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight) override;
Window *GetPutInFrontSentinel() const override;
static WindowManagerImpl *GetInstance();
@@ -553,7 +557,13 @@ namespace PortabilityLayer
void WindowImpl::GetChromePadding(uint16_t padding[WindowChromeSides::kCount]) const
{
return m_chromeTheme->GetChromePadding(this, padding);
if (m_chromeTheme)
m_chromeTheme->GetChromePadding(this, padding);
else
{
for (int i = 0; i < WindowChromeSides::kCount; i++)
padding[i] = 0;
}
}
void WindowImpl::GetChromeDimensions(int width, int height, Rect dimensions[WindowChromeSides::kCount]) const
@@ -572,6 +582,9 @@ namespace PortabilityLayer
bool WindowImpl::GetChromeInteractionZone(const Vec2i &point, RegionID_t &outRegion) const
{
if (!m_chromeTheme)
return false;
return m_chromeTheme->GetChromeInteractionZone(this, point, outRegion);
}
@@ -798,6 +811,46 @@ namespace PortabilityLayer
}
}
void WindowManagerImpl::HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight)
{
for (PortabilityLayer::WindowImpl *window = m_windowStackTop; window != nullptr; window = window->GetWindowBelow())
{
uint16_t chromePadding[WindowChromeSides::kCount];
window->GetChromePadding(chromePadding);
const Rect surfaceRect = window->GetDrawSurface()->m_port.GetRect();
uint32_t paddedWidth = surfaceRect.Width() + chromePadding[WindowChromeSides::kLeft] + chromePadding[WindowChromeSides::kRight];
uint32_t paddedHeight = surfaceRect.Height() + chromePadding[WindowChromeSides::kTop] + chromePadding[WindowChromeSides::kBottom];
int64_t newX = 0;
if (newWidth <= paddedWidth || prevWidth <= paddedWidth)
newX = (static_cast<int64_t>(newWidth) - paddedWidth) / 2;
else
{
uint32_t prevClearanceX = prevWidth - paddedWidth;
uint32_t newClearanceX = newWidth - paddedWidth;
newX = static_cast<int64_t>(window->m_wmX) * static_cast<int64_t>(newClearanceX) / static_cast<int64_t>(prevClearanceX);
}
int64_t newY = 0;
if (newHeight <= paddedHeight || prevHeight <= paddedHeight)
newY = (static_cast<int64_t>(newHeight) - paddedHeight) / 2;
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);
}
newX = std::max<int64_t>(0, std::min<int64_t>(newX, newWidth - 1));
newY = std::max<int64_t>(0, std::min<int64_t>(newY, newHeight - 1));
window->m_wmX = static_cast<int32_t>(newX);
window->m_wmY = static_cast<int32_t>(newY);
}
}
void WindowManagerImpl::ResizeWindow(Window *window, int width, int height)
{
static_cast<WindowImpl*>(window)->Resize(width, height);