adding fancy zone opacity setting, enhancement #631 (#1008)

* adding fancy zone opacity setting, enhancement #631

* applying zone opacity setting to all zones during zone selection

* changing opacity setting to percentage

src/modules/fancyzones/lib/FancyZones.cpp

@@ -68,6 +68,10 @@ public:
         }
         return GUID_NULL;
     }
+    IFACEMETHODIMP_(int) GetZoneHighlightOpacity() noexcept
+    {
+        return m_settings->GetSettings().zoneHighlightOpacity;
+    }
 
     LRESULT WndProc(HWND, UINT, WPARAM, LPARAM) noexcept;
     void OnDisplayChange(DisplayChangeType changeType) noexcept;
@@ -321,7 +325,6 @@ void FancyZones::ToggleEditor() noexcept
         monitor = MonitorFromWindow(foregroundWindow, MONITOR_DEFAULTTOPRIMARY);
     }
 
-
     if (!monitor)
     {
         return;
@@ -352,7 +355,7 @@ void FancyZones::ToggleEditor() noexcept
 
     const auto taskbar_x_offset = MulDiv(mi.rcWork.left - mi.rcMonitor.left, DPIAware::DEFAULT_DPI, dpi_x);
     const auto taskbar_y_offset = MulDiv(mi.rcWork.top - mi.rcMonitor.top, DPIAware::DEFAULT_DPI, dpi_y);
-    
+
     // Do not scale window params by the dpi, that will be done in the editor - see LayoutModel.Apply
     const auto x = mi.rcMonitor.left + taskbar_x_offset;
     const auto y = mi.rcMonitor.top + taskbar_y_offset;

src/modules/fancyzones/lib/FancyZones.h

@@ -36,6 +36,7 @@ interface __declspec(uuid("{5C8D99D6-34B2-4F4A-A8E5-7483F6869775}")) IZoneWindow
     IFACEMETHOD_(void, MoveWindowsOnActiveZoneSetChange)() = 0;
     IFACEMETHOD_(COLORREF, GetZoneHighlightColor)() = 0;
     IFACEMETHOD_(GUID, GetCurrentMonitorZoneSetId)(HMONITOR monitor) = 0;
+    IFACEMETHOD_(int, GetZoneHighlightOpacity)() = 0;
 };
 
 winrt::com_ptr<IFancyZones> MakeFancyZones(HINSTANCE hinstance, IFancyZonesSettings* settings) noexcept;

src/modules/fancyzones/lib/Settings.cpp

@@ -49,6 +49,7 @@ private:
     const std::wstring m_zoneHiglightName = L"fancyzones_zoneHighlightColor";
     const std::wstring m_editorHotkeyName = L"fancyzones_editor_hotkey";
     const std::wstring m_excludedAppsName = L"fancyzones_excluded_apps";
+    const std::wstring m_zoneHighlightOpacity = L"fancyzones_highlight_opacity";
 };
 
 IFACEMETHODIMP_(bool) FancyZonesSettings::GetConfig(_Out_ PWSTR buffer, _Out_ int *buffer_size) noexcept
@@ -76,6 +77,7 @@ IFACEMETHODIMP_(bool) FancyZonesSettings::GetConfig(_Out_ PWSTR buffer, _Out_ in
         settings.add_bool_toogle(setting.name, setting.resourceId, *setting.value);
     }
 
+    settings.add_int_spinner(m_zoneHighlightOpacity, IDS_SETTINGS_HIGHLIGHT_OPACITY, m_settings.zoneHighlightOpacity, 0, 100, 1);
     settings.add_color_picker(m_zoneHiglightName, IDS_SETTING_DESCRIPTION_ZONEHIGHLIGHTCOLOR, m_settings.zoneHightlightColor);
     settings.add_multiline_string(m_excludedAppsName, IDS_SETTING_EXCLCUDED_APPS_DESCRIPTION, m_settings.excludedApps);
 
@@ -153,6 +155,11 @@ void FancyZonesSettings::LoadSettings(PCWSTR config, bool fromFile) noexcept try
             }
         }
     }
+
+    if (auto val = values.get_int_value(m_zoneHighlightOpacity))
+    {
+        m_settings.zoneHighlightOpacity = *val;
+    }
 }
 CATCH_LOG();
 
@@ -166,6 +173,7 @@ void FancyZonesSettings::SaveSettings() noexcept try
     }
 
     values.add_property(m_zoneHiglightName, m_settings.zoneHightlightColor);
+    values.add_property(m_zoneHighlightOpacity, m_settings.zoneHighlightOpacity);
     values.add_property(m_editorHotkeyName, m_settings.editorHotkey.get_json());
     values.add_property(m_excludedAppsName, m_settings.excludedApps);
 

src/modules/fancyzones/lib/Settings.h

@@ -15,6 +15,7 @@ struct Settings
     bool appLastZone_moveWindows = false;
     bool use_cursorpos_editor_startupscreen = true;
     std::wstring zoneHightlightColor = L"#0078D7";
+    int zoneHighlightOpacity = 90;
     PowerToysSettings::HotkeyObject editorHotkey = PowerToysSettings::HotkeyObject::from_settings(true, false, false, false, VK_OEM_3);
     std::wstring excludedApps = L"";
     std::vector<std::wstring> excludedAppsArray;

src/modules/fancyzones/lib/ZoneWindow.cpp

@@ -546,8 +546,8 @@ void ZoneWindow::DrawActiveZoneSet(wil::unique_hdc& hdc, RECT const& clientRect)
 
         //                                 { fillAlpha, fill, borderAlpha, border, thickness }
         ColorSetting const colorHints      { 225, RGB(81, 92, 107),   255, RGB(104, 118, 138), -2 };
-        ColorSetting       colorViewer     { 225, 0,                  255, RGB(40, 50, 60),    -2 };
-        ColorSetting       colorHighlight  { 225, 0,                  255, 0,                  -2 };
+        ColorSetting       colorViewer     { OpacitySettingToAlpha(m_host->GetZoneHighlightOpacity()), 0, 255, RGB(40, 50, 60),    -2 };
+        ColorSetting       colorHighlight  { OpacitySettingToAlpha(m_host->GetZoneHighlightOpacity()), 0, 255, 0, -2 };
         ColorSetting const colorFlash      { 200, RGB(81, 92, 107),   200, RGB(104, 118, 138), -2 };
 
         auto zones = m_activeZoneSet->GetZones();

src/modules/fancyzones/lib/resource.h

@@ -13,3 +13,4 @@
 #define IDS_SETTING_LAUNCH_EDITOR_DESCRIPTION 113
 #define IDS_SETTING_LAUNCH_EDITOR_HOTKEY_LABEL 114
 #define IDS_SETTING_EXCLCUDED_APPS_DESCRIPTION 115
+#define IDS_SETTINGS_HIGHLIGHT_OPACITY 116

src/modules/fancyzones/lib/util.h

@@ -133,3 +133,9 @@ inline void ParseDeviceId(PCWSTR deviceId, PWSTR parsedId, size_t size)
         StringCchCopy(parsedId, size, L"FallbackDevice");
     }
 }
+
+inline int OpacitySettingToAlpha(int opacity)
+{
+    // convert percentage to a 0-255 alpha value
+    return opacity * 2.55;
+}

src/modules/fancyzones/tests/UnitTests/ZoneWindow.Spec.cpp

@@ -22,6 +22,11 @@ namespace FancyZonesUnitTests
         {
             return m_guid;
         }
+        IFACEMETHODIMP_(int)
+        GetZoneHighlightOpacity() noexcept
+        {
+            return 100;
+        }
 
         GUID m_guid;
     };