230 lines
9.2 KiB
C#
230 lines
9.2 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 System.Windows.Forms.CarbonInternal {
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internal class ControlHandler : EventHandlerBase, IEventHandler {
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internal const uint kEventControlInitialize = 1000;
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internal const uint kEventControlDispose = 1001;
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internal const uint kEventControlGetOptimalBounds = 1003;
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internal const uint kEventControlDefInitialize = kEventControlInitialize;
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internal const uint kEventControlDefDispose = kEventControlDispose;
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internal const uint kEventControlHit = 1;
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internal const uint kEventControlSimulateHit = 2;
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internal const uint kEventControlHitTest = 3;
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internal const uint kEventControlDraw = 4;
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internal const uint kEventControlApplyBackground = 5;
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internal const uint kEventControlApplyTextColor = 6;
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internal const uint kEventControlSetFocusPart = 7;
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internal const uint kEventControlGetFocusPart = 8;
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internal const uint kEventControlActivate = 9;
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internal const uint kEventControlDeactivate = 10;
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internal const uint kEventControlSetCursor = 11;
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internal const uint kEventControlContextualMenuClick = 12;
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internal const uint kEventControlClick = 13;
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internal const uint kEventControlGetNextFocusCandidate = 14;
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internal const uint kEventControlGetAutoToggleValue = 15;
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internal const uint kEventControlInterceptSubviewClick = 16;
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internal const uint kEventControlGetClickActivation = 17;
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internal const uint kEventControlDragEnter = 18;
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internal const uint kEventControlDragWithin = 19;
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internal const uint kEventControlDragLeave = 20;
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internal const uint kEventControlDragReceive = 21;
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internal const uint kEventControlInvalidateForSizeChange = 22;
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internal const uint kEventControlTrackingAreaEntered = 23;
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internal const uint kEventControlTrackingAreaExited = 24;
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internal const uint kEventControlTrack = 51;
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internal const uint kEventControlGetScrollToHereStartPoint = 52;
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internal const uint kEventControlGetIndicatorDragConstraint = 53;
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internal const uint kEventControlIndicatorMoved = 54;
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internal const uint kEventControlGhostingFinished = 55;
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internal const uint kEventControlGetActionProcPart = 56;
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internal const uint kEventControlGetPartRegion = 101;
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internal const uint kEventControlGetPartBounds = 102;
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internal const uint kEventControlSetData = 103;
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internal const uint kEventControlGetData = 104;
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internal const uint kEventControlGetSizeConstraints= 105;
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internal const uint kEventControlGetFrameMetrics = 106;
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internal const uint kEventControlValueFieldChanged = 151;
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internal const uint kEventControlAddedSubControl = 152;
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internal const uint kEventControlRemovingSubControl = 153;
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internal const uint kEventControlBoundsChanged = 154;
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internal const uint kEventControlVisibilityChanged = 157;
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internal const uint kEventControlTitleChanged = 158;
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internal const uint kEventControlOwningWindowChanged = 159;
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internal const uint kEventControlHiliteChanged = 160;
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internal const uint kEventControlEnabledStateChanged = 161;
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internal const uint kEventControlLayoutInfoChanged = 162;
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internal const uint kEventControlArbitraryMessage = 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 kEventParamControlPart = 1668313716;
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internal const uint kEventParamControlLikesDrag = 1668047975;
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internal const uint kEventParamRgnHandle = 1919381096;
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internal const uint typeControlRef = 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 typeControlPartCode = 1668313716;
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internal const uint typeBoolean = 1651470188;
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internal ControlHandler (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, typeControlRef, 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 kEventControlDraw: {
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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 kEventControlVisibilityChanged: {
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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 kEventControlBoundsChanged: {
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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 kEventControlGetFocusPart: {
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short pcode = 0;
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SetEventParameter (eventref, kEventParamControlPart, typeControlPartCode, (uint)Marshal.SizeOf (typeof (short)), ref pcode);
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return false;
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}
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case kEventControlDragEnter:
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case kEventControlDragWithin:
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case kEventControlDragLeave:
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case kEventControlDragReceive:
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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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ControlPaint.DrawBorder3D(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Border3DStyle.SunkenOuter);
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else
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ControlPaint.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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ControlPaint.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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