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fancyzones: restrict dpi unaware windows horizontally to the current display to avoid unwanted resize

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yuyoyuppe 2019-12-17 12:34:45 +03:00 committed by yuyoyuppe
parent 0fd0a8b7cc
commit 48b89609e2
3 changed files with 27 additions and 11 deletions
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6
src/common/dpi_aware.cpp
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@ -56,7 +56,7 @@ namespace DPIAware
SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
}
AWARENESS_LEVEL GetAwarenessLevel(DPI_AWARENESS_CONTEXT system_returned_value)
AwarnessLevel GetAwarenessLevel(DPI_AWARENESS_CONTEXT system_returned_value)
{
const std::array levels{ DPI_AWARENESS_CONTEXT_UNAWARE,
DPI_AWARENESS_CONTEXT_SYSTEM_AWARE,
@ -67,9 +67,9 @@ namespace DPIAware
{
if (AreDpiAwarenessContextsEqual(levels[i], system_returned_value))
{
return static_cast<AWARENESS_LEVEL>(i);
return static_cast<AwarnessLevel>(i);
}
}
return AWARENESS_LEVEL::UNAWARE;
return AwarnessLevel::UNAWARE;
}
}

4
src/common/dpi_aware.h
View file

@ -10,7 +10,7 @@ namespace DPIAware
void Convert(HMONITOR monitor_handle, int& width, int& height);
void EnableDPIAwarenessForThisProcess();
enum AWARENESS_LEVEL
enum AwarnessLevel
{
UNAWARE,
SYSTEM_AWARE,
@ -18,5 +18,5 @@ namespace DPIAware
PER_MONITOR_AWARE_V2,
UNAWARE_GDISCALED
};
AWARENESS_LEVEL GetAwarenessLevel(DPI_AWARENESS_CONTEXT system_returned_value);
AwarnessLevel GetAwarenessLevel(DPI_AWARENESS_CONTEXT system_returned_value);
};

28
src/modules/fancyzones/lib/Zone.cpp
View file

@ -1,5 +1,7 @@
#include "pch.h"
#include <common/dpi_aware.h>
#include <common/monitors.h>
#include "Zone.h"
#include "Settings.h"
@ -66,12 +68,17 @@ void Zone::SizeWindowToZone(HWND window, HWND zoneWindow) noexcept
::GetWindowRect(window, &windowRect);
RECT frameRect{};
// Failure is expected on down level systems.
const auto level = DPIAware::GetAwarenessLevel(GetWindowDpiAwarenessContext(window));
const bool accountForUnawareness = level < DPIAware::PER_MONITOR_AWARE;
if (SUCCEEDED(DwmGetWindowAttribute(window, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRect, sizeof(frameRect))))
{
zoneRect.bottom -= (frameRect.bottom - windowRect.bottom);
zoneRect.right -= (frameRect.right - windowRect.right);
zoneRect.left -= (frameRect.left - windowRect.left);
const auto left_margin = frameRect.left - windowRect.left;
const auto right_margin = frameRect.right - windowRect.right;
const auto bottom_margin = frameRect.bottom - windowRect.bottom;
zoneRect.left -= left_margin;
zoneRect.right -= right_margin;
zoneRect.bottom -= bottom_margin;
}
// Map to screen coords
@ -80,7 +87,16 @@ void Zone::SizeWindowToZone(HWND window, HWND zoneWindow) noexcept
MONITORINFO mi{sizeof(mi)};
if (GetMonitorInfoW(MonitorFromWindow(zoneWindow, MONITOR_DEFAULTTONEAREST), &mi))
{
OffsetRect(&zoneRect, mi.rcMonitor.left - mi.rcWork.left, mi.rcMonitor.top - mi.rcWork.top);
const auto taskbar_left_size = std::abs(mi.rcMonitor.left - mi.rcWork.left);
const auto taskbar_top_size = std::abs(mi.rcMonitor.top - mi.rcWork.top);
OffsetRect(&zoneRect, -taskbar_left_size, -taskbar_top_size);
if (accountForUnawareness)
{
zoneRect.left = max(mi.rcMonitor.left, zoneRect.left);
zoneRect.right = min(mi.rcMonitor.right - taskbar_left_size, zoneRect.right);
zoneRect.top = max(mi.rcMonitor.top, zoneRect.top);
zoneRect.bottom = min(mi.rcMonitor.bottom - taskbar_top_size, zoneRect.bottom);
}
}
WINDOWPLACEMENT placement;
@ -106,4 +122,4 @@ void Zone::StampZone(HWND window, bool stamp) noexcept
winrt::com_ptr<IZone> MakeZone(RECT zoneRect) noexcept
{
return winrt::make_self<Zone>(zoneRect);
}
}