// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2007 Novell, Inc.
//
// Authors:
// Geoff Norton <gnorton@novell.com>
//
//
using System;
using System.Drawing;
using System.Runtime.InteropServices;
namespace System.Windows.Forms.CarbonInternal{
internal class ControlHandler : EventHandlerBase, IEventHandler {
internal const uint kEventControlInitialize = 1000;
internal const uint kEventControlDispose = 1001;
internal const uint kEventControlGetOptimalBounds = 1003;
internal const uint kEventControlDefInitialize = kEventControlInitialize;
internal const uint kEventControlDefDispose = kEventControlDispose;
internal const uint kEventControlHit = 1;
internal const uint kEventControlSimulateHit = 2;
internal const uint kEventControlHitTest = 3;
internal const uint kEventControlDraw = 4;
internal const uint kEventControlApplyBackground = 5;
internal const uint kEventControlApplyTextColor = 6;
internal const uint kEventControlSetFocusPart = 7;
internal const uint kEventControlGetFocusPart = 8;
internal const uint kEventControlActivate = 9;
internal const uint kEventControlDeactivate = 10;
internal const uint kEventControlSetCursor = 11;
internal const uint kEventControlContextualMenuClick = 12;
internal const uint kEventControlClick = 13;
internal const uint kEventControlGetNextFocusCandidate = 14;
internal const uint kEventControlGetAutoToggleValue = 15;
internal const uint kEventControlInterceptSubviewClick = 16;
internal const uint kEventControlGetClickActivation = 17;
internal const uint kEventControlDragEnter = 18;
internal const uint kEventControlDragWithin = 19;
internal const uint kEventControlDragLeave = 20;
internal const uint kEventControlDragReceive = 21;
internal const uint kEventControlInvalidateForSizeChange = 22;
internal const uint kEventControlTrackingAreaEntered = 23;
internal const uint kEventControlTrackingAreaExited = 24;
internal const uint kEventControlTrack = 51;
internal const uint kEventControlGetScrollToHereStartPoint = 52;
internal const uint kEventControlGetIndicatorDragConstraint = 53;
internal const uint kEventControlIndicatorMoved = 54;
internal const uint kEventControlGhostingFinished = 55;
internal const uint kEventControlGetActionProcPart = 56;
internal const uint kEventControlGetPartRegion = 101;
internal const uint kEventControlGetPartBounds = 102;
internal const uint kEventControlSetData = 103;
internal const uint kEventControlGetData = 104;
internal const uint kEventControlGetSizeConstraints= 105;
internal const uint kEventControlGetFrameMetrics = 106;
internal const uint kEventControlValueFieldChanged = 151;
internal const uint kEventControlAddedSubControl = 152;
internal const uint kEventControlRemovingSubControl = 153;
internal const uint kEventControlBoundsChanged = 154;
internal const uint kEventControlVisibilityChanged = 157;
internal const uint kEventControlTitleChanged = 158;
internal const uint kEventControlOwningWindowChanged = 159;
internal const uint kEventControlHiliteChanged = 160;
internal const uint kEventControlEnabledStateChanged = 161;
internal const uint kEventControlLayoutInfoChanged = 162;
internal const uint kEventControlArbitraryMessage = 201;
internal const uint kEventParamCGContextRef = 1668183160;
internal const uint kEventParamDirectObject = 757935405;
internal const uint kEventParamControlPart = 1668313716;
internal const uint kEventParamControlLikesDrag = 1668047975;
internal const uint kEventParamRgnHandle = 1919381096;
internal const uint typeControlRef = 1668575852;
internal const uint typeCGContextRef = 1668183160;
internal const uint typeQDPoint = 1363439732;
internal const uint typeQDRgnHandle = 1919381096;
internal const uint typeControlPartCode = 1668313716;
internal const uint typeBoolean = 1651470188;
internal ControlHandler (XplatUICarbon driver) : base (driver) {}
public bool ProcessEvent (IntPtr callref, IntPtr eventref, IntPtr handle, uint kind, ref MSG msg) {
Hwnd hwnd;
bool client;
GetEventParameter (eventref, kEventParamDirectObject, typeControlRef, IntPtr.Zero, (uint) Marshal.SizeOf (typeof (IntPtr)), IntPtr.Zero, ref handle);
hwnd = Hwnd.ObjectFromHandle (handle);
if (hwnd == null)
return false;
msg.hwnd = hwnd.Handle;
client = (hwnd.ClientWindow == handle ? true : false);
switch (kind) {
case kEventControlDraw: {
IntPtr rgn = IntPtr.Zero;
HIRect bounds = new HIRect ();
GetEventParameter (eventref, kEventParamRgnHandle, typeQDRgnHandle, IntPtr.Zero, (uint) Marshal.SizeOf (typeof (IntPtr)), IntPtr.Zero, ref rgn);
if (rgn != IntPtr.Zero) {
Rect rbounds = new Rect ();
GetRegionBounds (rgn, ref rbounds);
bounds.origin.x = rbounds.left;
bounds.origin.y = rbounds.top;
bounds.size.width = rbounds.right - rbounds.left;
bounds.size.height = rbounds.bottom - rbounds.top;
} else {
HIViewGetBounds (handle, ref bounds);
}
if (!hwnd.visible) {
if (client) {
hwnd.expose_pending = false;
} else {
hwnd.nc_expose_pending = false;
}
return false;
}
if (!client) {
DrawBorders (hwnd);
}
Driver.AddExpose (hwnd, client, bounds);
return true;
}
case kEventControlVisibilityChanged: {
if (client) {
msg.message = Msg.WM_SHOWWINDOW;
msg.lParam = (IntPtr) 0;
msg.wParam = (HIViewIsVisible (handle) ? (IntPtr)1 : (IntPtr)0);
return true;
}
return false;
}
case kEventControlBoundsChanged: {
HIRect view_frame = new HIRect ();
HIViewGetFrame (handle, ref view_frame);
if (!client) {
hwnd.X = (int) view_frame.origin.x;
hwnd.Y = (int) view_frame.origin.y;
hwnd.Width = (int) view_frame.size.width;
hwnd.Height = (int) view_frame.size.height;
Driver.PerformNCCalc (hwnd);
}
msg.message = Msg.WM_WINDOWPOSCHANGED;
msg.hwnd = hwnd.Handle;
return true;
}
case kEventControlGetFocusPart: {
short pcode = 0;
SetEventParameter (eventref, kEventParamControlPart, typeControlPartCode, (uint)Marshal.SizeOf (typeof (short)), ref pcode);
return false;
}
case kEventControlDragEnter:
case kEventControlDragWithin:
case kEventControlDragLeave:
case kEventControlDragReceive:
return Dnd.HandleEvent (callref, eventref, handle, kind, ref msg);
}
return false;
}
private void DrawBorders (Hwnd hwnd) {
switch (hwnd.border_style) {
case FormBorderStyle.Fixed3D: {
Graphics g;
g = Graphics.FromHwnd(hwnd.whole_window);
if (hwnd.border_static)
ControlPaint.DrawBorder3D(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Border3DStyle.SunkenOuter);
else
ControlPaint.DrawBorder3D(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Border3DStyle.Sunken);
g.Dispose();
break;
}
case FormBorderStyle.FixedSingle: {
Graphics g;
g = Graphics.FromHwnd(hwnd.whole_window);
ControlPaint.DrawBorder(g, new Rectangle(0, 0, hwnd.Width, hwnd.Height), Color.Black, ButtonBorderStyle.Solid);
g.Dispose();
break;
}
}
}
[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
static extern int GetRegionBounds (IntPtr rgnhandle, ref Rect region);
[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
static extern int GetEventParameter (IntPtr eventref, uint name, uint type, IntPtr outtype, uint size, IntPtr outsize, ref IntPtr data);
[DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
static extern int SetEventParameter (IntPtr eventref, uint name, uint type, uint size, ref short data);
[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
static extern int HIViewGetBounds (IntPtr handle, ref HIRect rect);
[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
static extern int HIViewGetFrame (IntPtr handle, ref HIRect rect);
[DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
extern static bool HIViewIsVisible (IntPtr vHnd);
}
}
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