mirror of
https://github.com/seriocomedy/ShiftOS-C-.git
synced 2025-01-24 01:37:35 +00:00
229 lines
9.1 KiB
C#
229 lines
9.1 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2007 Novell, Inc.
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//
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// Authors:
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// Geoff Norton <gnorton@novell.com>
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//
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//
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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namespace ShiftUI.CarbonInternal {
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internal class WidgetHandler : EventHandlerBase, IEventHandler {
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internal const uint kEventWidgetInitialize = 1000;
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internal const uint kEventWidgetDispose = 1001;
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internal const uint kEventWidgetGetOptimalBounds = 1003;
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internal const uint kEventWidgetDefInitialize = kEventWidgetInitialize;
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internal const uint kEventWidgetDefDispose = kEventWidgetDispose;
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internal const uint kEventWidgetHit = 1;
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internal const uint kEventWidgetsimulateHit = 2;
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internal const uint kEventWidgetHitTest = 3;
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internal const uint kEventWidgetDraw = 4;
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internal const uint kEventWidgetApplyBackground = 5;
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internal const uint kEventWidgetApplyTextColor = 6;
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internal const uint kEventWidgetsetFocusPart = 7;
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internal const uint kEventWidgetGetFocusPart = 8;
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internal const uint kEventWidgetActivate = 9;
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internal const uint kEventWidgetDeactivate = 10;
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internal const uint kEventWidgetsetCursor = 11;
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internal const uint kEventWidgetContextualMenuClick = 12;
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internal const uint kEventWidgetClick = 13;
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internal const uint kEventWidgetGetNextFocusCandidate = 14;
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internal const uint kEventWidgetGetAutoToggleValue = 15;
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internal const uint kEventWidgetInterceptSubviewClick = 16;
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internal const uint kEventWidgetGetClickActivation = 17;
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internal const uint kEventWidgetDragEnter = 18;
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internal const uint kEventWidgetDragWithin = 19;
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internal const uint kEventWidgetDragLeave = 20;
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internal const uint kEventWidgetDragReceive = 21;
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internal const uint kEventWidgetInvalidateForSizeChange = 22;
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internal const uint kEventWidgetTrackingAreaEntered = 23;
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internal const uint kEventWidgetTrackingAreaExited = 24;
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internal const uint kEventWidgetTrack = 51;
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internal const uint kEventWidgetGetScrollToHereStartPoint = 52;
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internal const uint kEventWidgetGetIndicatorDragConstraint = 53;
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internal const uint kEventWidgetIndicatorMoved = 54;
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internal const uint kEventWidgetGhostingFinished = 55;
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internal const uint kEventWidgetGetActionProcPart = 56;
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internal const uint kEventWidgetGetPartRegion = 101;
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internal const uint kEventWidgetGetPartBounds = 102;
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internal const uint kEventWidgetsetData = 103;
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internal const uint kEventWidgetGetData = 104;
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internal const uint kEventWidgetGetSizeConstraints= 105;
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internal const uint kEventWidgetGetFrameMetrics = 106;
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internal const uint kEventWidgetValueFieldChanged = 151;
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internal const uint kEventWidgetAddedSubWidget = 152;
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internal const uint kEventWidgetRemovingSubWidget = 153;
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internal const uint kEventWidgetBoundsChanged = 154;
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internal const uint kEventWidgetVisibilityChanged = 157;
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internal const uint kEventWidgetTitleChanged = 158;
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internal const uint kEventWidgetOwningWindowChanged = 159;
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internal const uint kEventWidgetHiliteChanged = 160;
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internal const uint kEventWidgetEnabledStateChanged = 161;
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internal const uint kEventWidgetLayoutInfoChanged = 162;
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internal const uint kEventWidgetArbitraryMessage = 201;
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internal const uint kEventParamCGContextRef = 1668183160;
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internal const uint kEventParamDirectObject = 757935405;
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internal const uint kEventParamWidgetPart = 1668313716;
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internal const uint kEventParamWidgetLikesDrag = 1668047975;
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internal const uint kEventParamRgnHandle = 1919381096;
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internal const uint typeWidgetRef = 1668575852;
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internal const uint typeCGContextRef = 1668183160;
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internal const uint typeQDPoint = 1363439732;
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internal const uint typeQDRgnHandle = 1919381096;
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internal const uint typeWidgetPartCode = 1668313716;
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internal const uint typeBoolean = 1651470188;
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internal WidgetHandler (XplatUICarbon driver) : base (driver) {}
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public bool ProcessEvent (IntPtr callref, IntPtr eventref, IntPtr handle, uint kind, ref MSG msg) {
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Hwnd hwnd;
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bool client;
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GetEventParameter (eventref, kEventParamDirectObject, typeWidgetRef, IntPtr.Zero, (uint) Marshal.SizeOf (typeof (IntPtr)), IntPtr.Zero, ref handle);
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hwnd = Hwnd.ObjectFromHandle (handle);
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if (hwnd == null)
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return false;
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msg.hwnd = hwnd.Handle;
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client = (hwnd.ClientWindow == handle ? true : false);
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switch (kind) {
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case kEventWidgetDraw: {
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IntPtr rgn = IntPtr.Zero;
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HIRect bounds = new HIRect ();
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GetEventParameter (eventref, kEventParamRgnHandle, typeQDRgnHandle, IntPtr.Zero, (uint) Marshal.SizeOf (typeof (IntPtr)), IntPtr.Zero, ref rgn);
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if (rgn != IntPtr.Zero) {
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Rect rbounds = new Rect ();
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GetRegionBounds (rgn, ref rbounds);
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bounds.origin.x = rbounds.left;
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bounds.origin.y = rbounds.top;
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bounds.size.width = rbounds.right - rbounds.left;
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bounds.size.height = rbounds.bottom - rbounds.top;
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} else {
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HIViewGetBounds (handle, ref bounds);
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}
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if (!hwnd.visible) {
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if (client) {
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hwnd.expose_pending = false;
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} else {
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hwnd.nc_expose_pending = false;
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}
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return false;
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}
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if (!client) {
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DrawBorders (hwnd);
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}
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Driver.AddExpose (hwnd, client, bounds);
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return true;
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}
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case kEventWidgetVisibilityChanged: {
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if (client) {
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msg.message = Msg.WM_SHOWWINDOW;
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msg.lParam = (IntPtr) 0;
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msg.wParam = (HIViewIsVisible (handle) ? (IntPtr)1 : (IntPtr)0);
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return true;
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}
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return false;
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}
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case kEventWidgetBoundsChanged: {
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HIRect view_frame = new HIRect ();
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HIViewGetFrame (handle, ref view_frame);
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if (!client) {
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hwnd.X = (int) view_frame.origin.x;
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hwnd.Y = (int) view_frame.origin.y;
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hwnd.Width = (int) view_frame.size.width;
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hwnd.Height = (int) view_frame.size.height;
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Driver.PerformNCCalc (hwnd);
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}
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msg.message = Msg.WM_WINDOWPOSCHANGED;
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msg.hwnd = hwnd.Handle;
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return true;
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}
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case kEventWidgetGetFocusPart: {
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short pcode = 0;
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SetEventParameter (eventref, kEventParamWidgetPart, typeWidgetPartCode, (uint)Marshal.SizeOf (typeof (short)), ref pcode);
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return false;
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}
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case kEventWidgetDragEnter:
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case kEventWidgetDragWithin:
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case kEventWidgetDragLeave:
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case kEventWidgetDragReceive:
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return Dnd.HandleEvent (callref, eventref, handle, kind, ref msg);
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}
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return false;
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}
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private void DrawBorders (Hwnd hwnd) {
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switch (hwnd.border_style) {
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case FormBorderStyle.Fixed3D: {
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Graphics g;
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g = Graphics.FromHwnd(hwnd.whole_window);
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if (hwnd.border_static)
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WidgetPaint.DrawBorder3D(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Border3DStyle.SunkenOuter);
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else
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WidgetPaint.DrawBorder3D(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Border3DStyle.Sunken);
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g.Dispose();
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break;
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}
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case FormBorderStyle.FixedSingle: {
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Graphics g;
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g = Graphics.FromHwnd(hwnd.whole_window);
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WidgetPaint.DrawBorder(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Color.Black, ButtonBorderStyle.Solid);
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g.Dispose();
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break;
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}
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}
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}
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[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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static extern int GetRegionBounds (IntPtr rgnhandle, ref Rect region);
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[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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static extern int GetEventParameter (IntPtr eventref, uint name, uint type, IntPtr outtype, uint size, IntPtr outsize, ref IntPtr data);
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[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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static extern int SetEventParameter (IntPtr eventref, uint name, uint type, uint size, ref short data);
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[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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static extern int HIViewGetBounds (IntPtr handle, ref HIRect rect);
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[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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static extern int HIViewGetFrame (IntPtr handle, ref HIRect rect);
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[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
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extern static bool HIViewIsVisible (IntPtr vHnd);
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}
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}
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