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lightning-sunbird  0.9+nobinonly
nsTextWidget.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00037 
00038 #include <gtk/gtk.h>
00039 
00040 #include "nsTextWidget.h"
00041 #include "nsString.h"
00042 #include "nsGtkEventHandler.h"
00043 
00044 extern int mIsPasswordCallBacksInstalled;
00045 
00046 
00047 NS_IMPL_ADDREF_INHERITED(nsTextWidget, nsWidget)
00048 NS_IMPL_RELEASE_INHERITED(nsTextWidget, nsWidget)
00049 NS_IMPL_QUERY_INTERFACE2(nsTextWidget, nsITextWidget, nsIWidget)
00050 
00051 
00052 //-------------------------------------------------------------------------
00053 //
00054 // nsTextWidget constructor
00055 //
00056 //-------------------------------------------------------------------------
00057 nsTextWidget::nsTextWidget() : nsTextHelper()
00058 {
00059 }
00060 
00061 //-------------------------------------------------------------------------
00062 //
00063 // nsTextWidget destructor
00064 //
00065 //-------------------------------------------------------------------------
00066 nsTextWidget::~nsTextWidget()
00067 {
00068   // avoid freeing this twice in other destructors
00069   mTextWidget = nsnull;
00070 }
00071 
00072 //-------------------------------------------------------------------------
00073 //
00074 // Create the native Entry widget
00075 //
00076 //-------------------------------------------------------------------------
00077 NS_IMETHODIMP nsTextWidget::CreateNative(GtkObject *parentWindow)
00078 {
00079   PRBool oldIsReadOnly;
00080   mWidget = gtk_entry_new();
00081 
00082   if (!GDK_IS_SUPERWIN(parentWindow)) {
00083 #ifdef DEBUG
00084     g_print("Damn, brother.  That's not a superwin.\n");
00085 #endif
00086     return NS_ERROR_FAILURE;
00087   }
00088   
00089   GdkSuperWin *superwin = GDK_SUPERWIN(parentWindow);
00090 
00091   mMozBox = gtk_mozbox_new(superwin->bin_window);
00092 
00093   // used by nsTextHelper because nsTextArea needs a scrolled_window
00094   mTextWidget = mWidget;
00095 
00096   gtk_widget_set_name(mWidget, "nsTextWidget");
00097 
00098   /*
00099    * GTK's text widget does XIM for us, so we don't want to use the default key handler
00100    * which does XIM, so we connect to a non-XIM key event for the text widget
00101    */
00102   gtk_signal_connect_after(GTK_OBJECT(mWidget),
00103                      "key_press_event",
00104                      GTK_SIGNAL_FUNC(handle_key_press_event_for_text),
00105                      this);
00106   gtk_signal_connect(GTK_OBJECT(mWidget),
00107                      "key_release_event",
00108                      GTK_SIGNAL_FUNC(handle_key_release_event_for_text),
00109                      this);
00110   SetPassword(mIsPassword);
00111   SetReadOnly(mIsReadOnly, oldIsReadOnly);
00112   gtk_widget_show(mWidget);
00113 
00114   // These are needed so that the events will go to us and not our parent.
00115   AddToEventMask(mWidget,
00116                  GDK_BUTTON_PRESS_MASK |
00117                  GDK_BUTTON_RELEASE_MASK |
00118                  GDK_ENTER_NOTIFY_MASK |
00119                  GDK_EXPOSURE_MASK |
00120                  GDK_FOCUS_CHANGE_MASK |
00121                  GDK_KEY_PRESS_MASK |
00122                  GDK_KEY_RELEASE_MASK |
00123                  GDK_LEAVE_NOTIFY_MASK |
00124                  GDK_POINTER_MOTION_MASK);
00125 
00126   // make sure that we put the scrollbar into the mozbox
00127 
00128   gtk_container_add(GTK_CONTAINER(mMozBox), mWidget);
00129 
00130   return NS_OK;
00131 }
00132 
00133 PRBool nsTextWidget::OnKey(nsKeyEvent &aEvent)
00134 {
00135   if (mEventCallback) {
00136     return DispatchWindowEvent(&aEvent);
00137   }
00138   return PR_FALSE;
00139 }