mcs/class/Managed.Windows.Forms/System.Windows.Forms.CarbonInternal/WindowHandler.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2007 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Geoff Norton  <gnorton@novell.com>
  24 //
  25 //
  26
  27 using System;
  28 using System.Drawing;
  29 using System.Windows.Forms;
  30 using System.Runtime.InteropServices;
  31
  32 namespace System.Windows.Forms.CarbonInternal {
  33         internal class WindowHandler : EventHandlerBase, IEventHandler {
  34                 internal const uint kEventWindowUpdate = 1;
  35                 internal const uint kEventWindowDrawContent = 2;
  36                 internal const uint kEventWindowActivated = 5;
  37                 internal const uint kEventWindowDeactivated = 6;
  38                 internal const uint kEventWindowGetClickActivation = 7;
  39                 internal const uint kEventWindowShowing = 22;
  40                 internal const uint kEventWindowHiding = 23;
  41                 internal const uint kEventWindowShown = 24;
  42                 internal const uint kEventWindowHidden = 25;
  43                 internal const uint kEventWindowCollapsing = 86;
  44                 internal const uint kEventWindowExpanding = 87;
  45                 internal const uint kEventWindowZoomed = 76;
  46                 internal const uint kEventWindowBoundsChanging = 26;
  47                 internal const uint kEventWindowBoundsChanged = 27;
  48                 internal const uint kEventWindowResizeStarted = 28;
  49                 internal const uint kEventWindowResizeCompleted = 29;
  50                 internal const uint kEventWindowDragStarted = 30;
  51                 internal const uint kEventWindowDragCompleted = 31;
  52                 internal const uint kEventWindowTransitionStarted = 88;
  53                 internal const uint kEventWindowTransitionCompleted = 89;
  54                 internal const uint kEventWindowClickDragRgn = 32;
  55                 internal const uint kEventWindowClickResizeRgn = 33;
  56                 internal const uint kEventWindowClickCollapseRgn = 34;
  57                 internal const uint kEventWindowClickCloseRgn = 35;
  58                 internal const uint kEventWindowClickZoomRgn = 36;
  59                 internal const uint kEventWindowClickContentRgn = 37;
  60                 internal const uint kEventWindowClickProxyIconRgn = 38;
  61                 internal const uint kEventWindowClickToolbarButtonRgn = 41;
  62                 internal const uint kEventWindowClickStructureRgn = 42;
  63                 internal const uint kEventWindowCursorChange = 40;
  64                 internal const uint kEventWindowCollapse = 66;
  65                 internal const uint kEventWindowCollapsed = 67;
  66                 internal const uint kEventWindowCollapseAll = 68;
  67                 internal const uint kEventWindowExpand = 69;
  68                 internal const uint kEventWindowExpanded = 70;
  69                 internal const uint kEventWindowExpandAll = 71;
  70                 internal const uint kEventWindowClose = 72;
  71                 internal const uint kEventWindowClosed = 73;
  72                 internal const uint kEventWindowCloseAll = 74;
  73                 internal const uint kEventWindowZoom = 75;
  74                 internal const uint kEventWindowZoomAll = 77;
  75                 internal const uint kEventWindowContextualMenuSelect = 78;
  76                 internal const uint kEventWindowPathSelect = 79;
  77                 internal const uint kEventWindowGetIdealSize = 80;
  78                 internal const uint kEventWindowGetMinimumSize = 81;
  79                 internal const uint kEventWindowGetMaximumSize = 82;
  80                 internal const uint kEventWindowConstrain = 83;
  81                 internal const uint kEventWindowHandleContentClick = 85;
  82                 internal const uint kEventWindowGetDockTileMenu = 90;
  83                 internal const uint kEventWindowHandleActivate = 91;
  84                 internal const uint kEventWindowHandleDeactivate = 92;
  85                 internal const uint kEventWindowProxyBeginDrag = 128;
  86                 internal const uint kEventWindowProxyEndDrag = 129;
  87                 internal const uint kEventWindowToolbarSwitchMode = 150;
  88                 internal const uint kEventWindowFocusAcquired = 200;
  89                 internal const uint kEventWindowFocusRelinquish = 201;
  90                 internal const uint kEventWindowFocusContent = 202;
  91                 internal const uint kEventWindowFocusToolbar = 203;
  92                 internal const uint kEventWindowDrawerOpening = 220;
  93                 internal const uint kEventWindowDrawerOpened = 221;
  94                 internal const uint kEventWindowDrawerClosing = 222;
  95                 internal const uint kEventWindowDrawerClosed = 223;
  96                 internal const uint kEventWindowDrawFrame = 1000;
  97                 internal const uint kEventWindowDrawPart = 1001;
  98                 internal const uint kEventWindowGetRegion = 1002;
  99                 internal const uint kEventWindowHitTest = 1003;
 100                 internal const uint kEventWindowInit = 1004;
 101                 internal const uint kEventWindowDispose = 1005;
 102                 internal const uint kEventWindowDragHilite = 1006;
 103                 internal const uint kEventWindowModified = 1007;
 104                 internal const uint kEventWindowSetupProxyDragImage = 1008;
 105                 internal const uint kEventWindowStateChanged = 1009;
 106                 internal const uint kEventWindowMeasureTitle = 1010;
 107                 internal const uint kEventWindowDrawGrowBox = 1011;
 108                 internal const uint kEventWindowGetGrowImageRegion = 1012;
 109                 internal const uint kEventWindowPaint = 1013;
 110
 111                 internal WindowHandler (XplatUICarbon driver) : base (driver) {}
 112
 113                 public bool ProcessEvent (IntPtr callref, IntPtr eventref, IntPtr handle, uint kind, ref MSG msg) {
 114                         IntPtr window = Driver.HandleToWindow (handle);
 115                         Hwnd hwnd = Hwnd.ObjectFromHandle (window);
 116                         if (window != IntPtr.Zero) {
 117                                 switch (kind) {
 118                                         case kEventWindowActivated: {
 119                                                 Control c = Control.FromHandle (hwnd.client_window);
 120                                                 if (c != null) {
 121                                                         Form form = c.FindForm ();
 122                                                         if (form != null) {
 123                                                                 Driver.SendMessage (form.Handle, Msg.WM_ACTIVATE, (IntPtr) WindowActiveFlags.WA_ACTIVE, IntPtr.Zero);
 124                                                                 XplatUICarbon.ActiveWindow = hwnd.client_window;
 125                                                         }
 126                                                 }
 127
 128                                                 foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows) {
 129                                                         if (utility_window != handle && !XplatUICarbon.IsWindowVisible (utility_window))
 130                                                                 XplatUICarbon.ShowWindow (utility_window);
 131                                                 }
 132                                                 break;
 133                                         }
 134                                         case kEventWindowExpanding:
 135                                                 foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows) {
 136                                                         if (utility_window != handle && !XplatUICarbon.IsWindowVisible (utility_window))
 137                                                                 XplatUICarbon.ShowWindow (utility_window);
 138                                                 }
 139                                                 msg.hwnd = hwnd.Handle;
 140                                                 msg.message = Msg.WM_ENTERSIZEMOVE;
 141                                                 return true;
 142                                         case kEventWindowExpanded:
 143                                                 NativeWindow.WndProc (hwnd.Handle, Msg.WM_WINDOWPOSCHANGED, IntPtr.Zero, IntPtr.Zero);
 144                                                 msg.hwnd = hwnd.Handle;
 145                                                 msg.message = Msg.WM_EXITSIZEMOVE;
 146                                                 return true;
 147                                         case kEventWindowDeactivated: {
 148                                                 Control c = Control.FromHandle (hwnd.client_window);
 149                                                 if (c != null) {
 150                                                         Form form = c.FindForm ();
 151                                                         if (form != null) {
 152                                                                 Driver.SendMessage (form.Handle, Msg.WM_ACTIVATE, (IntPtr) WindowActiveFlags.WA_INACTIVE, IntPtr.Zero);
 153                                                                 XplatUICarbon.ActiveWindow = IntPtr.Zero;
 154                                                         }
 155                                                 }
 156                                                 foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows) {
 157                                                         if (utility_window != handle && XplatUICarbon.IsWindowVisible (utility_window))
 158                                                                 XplatUICarbon.HideWindow (utility_window);
 159                                                 }
 160                                                 break;
 161                                         }
 162                                         case kEventWindowCollapsing:
 163                                                 foreach (IntPtr utility_window in XplatUICarbon.UtilityWindows) {
 164                                                         if (utility_window != handle && XplatUICarbon.IsWindowVisible (utility_window))
 165                                                                 XplatUICarbon.HideWindow (utility_window);
 166                                                 }
 167                                                 msg.hwnd = hwnd.Handle;
 168                                                 msg.message = Msg.WM_ENTERSIZEMOVE;
 169                                                 return true;
 170                                         case kEventWindowCollapsed:
 171                                                 NativeWindow.WndProc (hwnd.Handle, Msg.WM_WINDOWPOSCHANGED, IntPtr.Zero, IntPtr.Zero);
 172                                                 msg.hwnd = hwnd.Handle;
 173                                                 msg.message = Msg.WM_EXITSIZEMOVE;
 174                                                 return true;
 175                                         case kEventWindowClose:
 176                                                 NativeWindow.WndProc (hwnd.Handle, Msg.WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
 177                                                 return false;
 178                                         case kEventWindowShown: {
 179                                                 msg.message = Msg.WM_SHOWWINDOW;
 180                                                 msg.lParam = (IntPtr) 1;
 181                                                 msg.wParam = (IntPtr) 0;
 182                                                 msg.hwnd = hwnd.Handle;
 183
 184                                                 return true;
 185                                         }
 186                                         case kEventWindowResizeStarted: {
 187                                                 msg.message = Msg.WM_ENTERSIZEMOVE;
 188                                                 msg.hwnd = hwnd.Handle;
 189                                                 return true;
 190                                         }
 191                                         case kEventWindowResizeCompleted: {
 192                                                 msg.message = Msg.WM_EXITSIZEMOVE;
 193                                                 msg.hwnd = hwnd.Handle;
 194
 195                                                 return true;
 196                                         }
 197                                         case kEventWindowBoundsChanged: {
 198                                                 Rect window_bounds = new Rect ();
 199                                                 HIRect view_bounds = new HIRect ();
 200                                                 Size size;
 201
 202                                                 GetWindowBounds (handle, 33, ref window_bounds);
 203
 204                                                 view_bounds.size.width = window_bounds.right - window_bounds.left;
 205                                                 view_bounds.size.height = window_bounds.bottom - window_bounds.top;
 206
 207                                                 HIViewSetFrame (hwnd.WholeWindow, ref view_bounds);
 208
 209                                                 size = XplatUICarbon.TranslateQuartzWindowSizeToWindowSize (Control.FromHandle (hwnd.Handle).GetCreateParams (), (int)view_bounds.size.width, (int)view_bounds.size.height);
 210
 211                                                 hwnd.X = (int) window_bounds.left;
 212                                                 hwnd.Y = (int) window_bounds.top;
 213                                                 hwnd.Width = (int) size.Width;
 214                                                 hwnd.Height = (int) size.Height;
 215
 216                                                 Driver.PerformNCCalc (hwnd);
 217
 218                                                 msg.hwnd = hwnd.Handle;
 219                                                 msg.message = Msg.WM_WINDOWPOSCHANGED;
 220                                                 Driver.SetCaretPos (XplatUICarbon.Caret.Hwnd, XplatUICarbon.Caret.X, XplatUICarbon.Caret.Y);
 221
 222                                                 return true;
 223                                         }
 224                                 }
 225                         }
 226                         return false;
 227                 }
 228
 229                 [DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
 230                 static extern int GetWindowBounds (IntPtr handle, uint region, ref Rect bounds);
 231
 232                 [DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
 233                 static extern int HIViewSetFrame (IntPtr handle, ref HIRect bounds);
 234         }
 235 }