widget/src/beos/nsPopupWindow.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
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   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Mozilla Browser.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Fredrik Holmqvist <thesuckiestemail@yahoo.se>.
  18  * Portions created by the Initial Developer are Copyright (C) 2006
  19  * the Initial Developer. All Rights Reserved.
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  21  * Contributor(s):
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 2 or later (the "GPL"), or
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  35  * ***** END LICENSE BLOCK ***** */
  36
  37 #include "nsPopupWindow.h"
  38
  39 nsPopupWindow::nsPopupWindow() : nsWindow()
  40 {
  41 }
  42
  43
  44 //-------------------------------------------------------------------------
  45 //
  46 // Utility method for implementing both Create(nsIWidget ...) and
  47 // Create(nsNativeWidget...)
  48 //-------------------------------------------------------------------------
  49 nsresult nsPopupWindow::StandardWindowCreate(nsIWidget *aParent,
  50                                         const nsRect &aRect,
  51                                         EVENT_CALLBACK aHandleEventFunction,
  52                                         nsIDeviceContext *aContext,
  53                                         nsIAppShell *aAppShell,
  54                                         nsIToolkit *aToolkit,
  55                                         nsWidgetInitData *aInitData,
  56                                         nsNativeWidget aNativeParent)
  57 {
  58         NS_ASSERTION(aInitData->mWindowType == eWindowType_popup,
  59                 "The windowtype is not handled by this class.");
  60
  61         NS_ASSERTION(!aParent, "Popups should not be hooked into nsIWidget hierarchy");
  62
  63         mIsTopWidgetWindow = PR_FALSE;
  64
  65         BaseCreate(aParent, aRect, aHandleEventFunction, aContext, aAppShell,
  66                 aToolkit, aInitData);
  67
  68         mListenForResizes = aNativeParent ? PR_TRUE : aInitData->mListenForResizes;
  69
  70         // Switch to the "main gui thread" if necessary... This method must
  71         // be executed on the "gui thread"...
  72         //
  73         nsToolkit* toolkit = (nsToolkit *)mToolkit;
  74         if (toolkit && !toolkit->IsGuiThread())
  75         {
  76                 uint32 args[7];
  77                 args[0] = (uint32)aParent;
  78                 args[1] = (uint32)&aRect;
  79                 args[2] = (uint32)aHandleEventFunction;
  80                 args[3] = (uint32)aContext;
  81                 args[4] = (uint32)aAppShell;
  82                 args[5] = (uint32)aToolkit;
  83                 args[6] = (uint32)aInitData;
  84
  85                 if (nsnull != aParent)
  86                 {
  87                         // nsIWidget parent dispatch
  88                         MethodInfo info(this, this, nsSwitchToUIThread::CREATE, 7, args);
  89                         toolkit->CallMethod(&info);
  90                 }
  91                 else
  92                 {
  93                         // Native parent dispatch
  94                         MethodInfo info(this, this, nsSwitchToUIThread::CREATE_NATIVE, 7, args);
  95                         toolkit->CallMethod(&info);
  96                 }
  97                 return NS_OK;
  98         }
  99
 100         mParent = aParent;
 101         // Useful shortcut, wondering if we can use it also in GetParent() instead
 102         // nsIWidget* type mParent.
 103         mWindowParent = (nsWindow *)aParent;
 104         SetBounds(aRect);
 105
 106         // Default mode for window, everything switched off.
 107         // B_AVOID_FOCUS | B_NO_WORKSPACE_ACTIVATION :
 108         // popups always avoid focus and don't force the user to another workspace.
 109         uint32 flags = B_NOT_RESIZABLE | B_NOT_MINIMIZABLE | B_NOT_ZOOMABLE
 110                 | B_NOT_CLOSABLE | B_ASYNCHRONOUS_CONTROLS | B_AVOID_FOCUS
 111                 | B_NO_WORKSPACE_ACTIVATION;
 112         window_look look = B_NO_BORDER_WINDOW_LOOK;
 113
 114         //eBorderStyle_default is to ask the OS to handle it as it sees best.
 115         //eBorderStyle_all is same as top_level window default.
 116         if ( !(eBorderStyle_default == mBorderStyle || eBorderStyle_all & mBorderStyle))
 117         {
 118                 if (eBorderStyle_border & mBorderStyle)
 119                         look = B_MODAL_WINDOW_LOOK;
 120
 121                 if (eBorderStyle_resizeh & mBorderStyle)
 122                 {
 123                         //Resize demands at least border
 124                         look = B_MODAL_WINDOW_LOOK;
 125                         flags &= !B_NOT_RESIZABLE;
 126                 }
 127
 128                 //We don't have titlebar menus, so treat like title as it demands titlebar.
 129                 if (eBorderStyle_title & mBorderStyle || eBorderStyle_menu & mBorderStyle)
 130                         look = B_TITLED_WINDOW_LOOK;
 131
 132                 if (eBorderStyle_minimize & mBorderStyle)
 133                         flags &= !B_NOT_MINIMIZABLE;
 134
 135                 if (eBorderStyle_maximize & mBorderStyle)
 136                         flags &= !B_NOT_ZOOMABLE;
 137
 138                 if (eBorderStyle_close & mBorderStyle)
 139                         flags &= !B_NOT_CLOSABLE;
 140         }
 141
 142         if (aNativeParent)
 143         {
 144                 // Due poor BeOS capability to control windows hierarchy/z-order we use this
 145                 // workaround to show eWindowType_popup (e.g. drop-downs) over floating
 146                 // (subset) parent window.
 147                 if (((BView *)aNativeParent)->Window() &&
 148                         ((BView *)aNativeParent)->Window()->IsFloating())
 149                 {
 150                         mBWindowFeel = B_FLOATING_ALL_WINDOW_FEEL;
 151                 }
 152         }
 153
 154
 155         nsWindowBeOS * w = new nsWindowBeOS(this,
 156                 BRect(aRect.x, aRect.y, aRect.x + aRect.width - 1, aRect.y + aRect.height - 1),
 157                 "", look, mBWindowFeel, flags);
 158         if (!w)
 159                 return NS_ERROR_OUT_OF_MEMORY;
 160
 161         mView = new nsViewBeOS(this, w->Bounds(), "popup view",
 162                 B_FOLLOW_ALL, B_WILL_DRAW);
 163
 164         if (!mView)
 165                 return NS_ERROR_OUT_OF_MEMORY;
 166
 167         w->AddChild(mView);
 168         // Run Looper. No proper destroy without it.
 169         w->Run();
 170         DispatchStandardEvent(NS_CREATE);
 171         return NS_OK;
 172 }
 173
 174 NS_METHOD nsPopupWindow::Show(PRBool bState)
 175 {
 176         //Bring popup to correct workspace.
 177         if (bState == PR_TRUE && mView && mView->Window() != NULL )
 178                 mView->Window()->SetWorkspaces(B_CURRENT_WORKSPACE);
 179
 180         return nsWindow::Show(bState);
 181 }
 182
 183