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Dpi unaware placement bug (#2121)

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Fix for bug when placing dpi unaware window such as Notepad++ in left of right part of monitor. In that application gap of about 7px was left or right.
This fixes only single-monitor scenario
It skips correction for dpi unaware window that leaves a gap
This commit is contained in:
PrzemyslawTusinski
2020-04-15 12:34:11 +02:00
committed by GitHub
parent 87fb6fc3d1
commit 2077cd4864
3 changed files with 17 additions and 7 deletions
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18
src/modules/fancyzones/lib/Zone.cpp
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@@ -6,6 +6,8 @@
#include "Settings.h"
#include "util.h"
#include "common/monitors.h"
struct Zone : winrt::implements<Zone, IZone>
{
public:
@@ -78,14 +80,15 @@ RECT Zone::ComputeActualZoneRect(HWND window, HWND zoneWindow) noexcept
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))))
{
const auto left_margin = frameRect.left - windowRect.left;
const auto right_margin = frameRect.right - windowRect.right;
const auto bottom_margin = frameRect.bottom - windowRect.bottom;
newWindowRect.left -= left_margin;
newWindowRect.right -= right_margin;
newWindowRect.bottom -= bottom_margin;
LONG leftMargin = frameRect.left - windowRect.left;
LONG rightMargin = frameRect.right - windowRect.right;
LONG bottomMargin = frameRect.bottom - windowRect.bottom;
newWindowRect.left -= leftMargin;
newWindowRect.right -= rightMargin;
newWindowRect.bottom -= bottomMargin;
}
// Map to screen coords
@@ -97,7 +100,8 @@ RECT Zone::ComputeActualZoneRect(HWND window, HWND zoneWindow) noexcept
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(&newWindowRect, -taskbar_left_size, -taskbar_top_size);
if (accountForUnawareness)
if (accountForUnawareness && MonitorInfo::GetMonitorsCount() > 1)
{
newWindowRect.left = max(mi.rcMonitor.left, newWindowRect.left);
newWindowRect.right = min(mi.rcMonitor.right - taskbar_left_size, newWindowRect.right);