1 /* GtkWindowPeer.java -- Implements WindowPeer with GTK
2    Copyright (C) 1998, 1999, 2002 Free Software Foundation, Inc.
3 
4 This file is part of GNU Classpath.
5 
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10 
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING.  If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA.
20 
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library.  Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
25 
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module.  An independent module is a module which is not derived from
33 or based on this library.  If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so.  If you do not wish to do so, delete this
36 exception statement from your version. */
37 
38 
39 package gnu.java.awt.peer.gtk;
40 
41 import java.awt.Component;
42 import java.awt.Dimension;
43 import java.awt.Window;
44 import java.awt.Frame;
45 import java.awt.event.WindowEvent;
46 import java.awt.peer.WindowPeer;
47 
48 public class GtkWindowPeer extends GtkContainerPeer
49   implements WindowPeer
50 {
51   static protected final int GDK_WINDOW_TYPE_HINT_NORMAL = 0;
52   static protected final int GDK_WINDOW_TYPE_HINT_DIALOG = 1;
53   static protected final int GDK_WINDOW_TYPE_HINT_MENU = 2;
54   static protected final int GDK_WINDOW_TYPE_HINT_TOOLBAR = 3;
55   static protected final int GDK_WINDOW_TYPE_HINT_SPLASHSCREEN = 4;
56   static protected final int GDK_WINDOW_TYPE_HINT_UTILITY = 5;
57   static protected final int GDK_WINDOW_TYPE_HINT_DOCK = 6;
58   static protected final int GDK_WINDOW_TYPE_HINT_DESKTOP = 7;
59 
60   private boolean hasBeenShown = false;
61   private int oldState = Frame.NORMAL;
62 
create(int type, boolean decorated, int width, int height, GtkWindowPeer parent, int[] insets)63   native void create (int type, boolean decorated,
64 		      int width, int height,
65 		      GtkWindowPeer parent,
66 		      int[] insets);
67 
create(int type, boolean decorated)68   void create (int type, boolean decorated)
69   {
70     GtkWindowPeer parent_peer = null;
71     Component parent = awtComponent.getParent();
72     int[] insets = new int [] { 0, 0, 0, 0 };
73 
74     if (parent != null)
75       parent_peer = (GtkWindowPeer) awtComponent.getParent().getPeer();
76 
77     create (type, decorated,
78 	    awtComponent.getWidth(),
79 	    awtComponent.getHeight(),
80 	    parent_peer,
81 	    insets);
82 
83     this.insets.top = insets [0];
84     this.insets.left = insets [1];
85     this.insets.bottom = insets [2];
86     this.insets.right = insets [3];
87   }
88 
create()89   void create ()
90   {
91     // Create a normal undecorated window.
92     create (GDK_WINDOW_TYPE_HINT_NORMAL, false);
93   }
94 
connectJObject()95   native void connectJObject ();
connectSignals()96   native void connectSignals ();
97 
GtkWindowPeer(Window window)98   public GtkWindowPeer (Window window)
99   {
100     super (window);
101   }
102 
getArgs(Component component, GtkArgList args)103   public void getArgs (Component component, GtkArgList args)
104   {
105     args.add ("visible", component.isVisible ());
106     args.add ("sensitive", component.isEnabled ());
107   }
108 
toBack()109   native public void toBack ();
toFront()110   native public void toFront ();
111 
nativeSetBounds(int x, int y, int width, int height)112   native void nativeSetBounds (int x, int y, int width, int height);
113 
setBounds(int x, int y, int width, int height)114   public void setBounds (int x, int y, int width, int height)
115   {
116     nativeSetBounds (x, y,
117 		     width - insets.left - insets.right,
118 		     height - insets.top - insets.bottom);
119   }
120 
setTitle(String title)121   public void setTitle (String title)
122   {
123     set ("title", title);
124   }
125 
setSize(int width, int height)126   native void setSize (int width, int height);
127 
setResizable(boolean resizable)128   public void setResizable (boolean resizable)
129   {
130     // Call setSize; otherwise when resizable is changed from true to
131     // false the window will shrink to the dimensions it had before it
132     // was resizable.
133     setSize (awtComponent.getWidth() - insets.left - insets.right,
134 	     awtComponent.getHeight() - insets.top - insets.bottom);
135     set ("allow_shrink", resizable);
136     set ("allow_grow", resizable);
137   }
138 
setBoundsCallback(Window window, int x, int y, int width, int height)139   native void setBoundsCallback (Window window,
140 				 int x, int y,
141 				 int width, int height);
142 
postInsetsChangedEvent(int top, int left, int bottom, int right)143   protected void postInsetsChangedEvent (int top, int left,
144 					 int bottom, int right)
145   {
146     insets.top = top;
147     insets.left = left;
148     insets.bottom = bottom;
149     insets.right = right;
150   }
151 
postConfigureEvent(int x, int y, int width, int height)152   protected void postConfigureEvent (int x, int y, int width, int height)
153   {
154     int frame_x = x - insets.left;
155     int frame_y = y - insets.top;
156     int frame_width = width + insets.left + insets.right;
157     int frame_height = height + insets.top + insets.bottom;
158 
159     if (frame_x != awtComponent.getX()
160 	|| frame_y != awtComponent.getY()
161 	|| frame_width != awtComponent.getWidth()
162 	|| frame_height != awtComponent.getHeight())
163       setBoundsCallback ((Window) awtComponent,
164 			 frame_x, frame_y, frame_width, frame_height);
165 
166     awtComponent.validate();
167   }
168 
nativeSetVisible(boolean b)169   native void nativeSetVisible (boolean b);
setVisible(boolean b)170   public void setVisible (boolean b)
171   {
172     // Prevent the window manager from automatically placing this
173     // window when it is shown.
174     if (b)
175       setBounds (awtComponent.getX(),
176 		 awtComponent.getY(),
177 		 awtComponent.getWidth(),
178 		 awtComponent.getHeight());
179     nativeSetVisible (b);
180   }
181 
postWindowEvent(int id, Window opposite, int newState)182   void postWindowEvent (int id, Window opposite, int newState)
183   {
184     if (id == WindowEvent.WINDOW_OPENED)
185       {
186 	// Post a WINDOW_OPENED event the first time this window is shown.
187 	if (!hasBeenShown)
188 	  {
189 	    q.postEvent (new WindowEvent ((Window) awtComponent, id,
190 					  opposite));
191 	    hasBeenShown = true;
192 	  }
193       }
194     else if (id == WindowEvent.WINDOW_STATE_CHANGED)
195       {
196 	if (oldState != newState)
197 	  {
198 	    q.postEvent (new WindowEvent ((Window) awtComponent, id, opposite,
199 					  oldState, newState));
200 	    oldState = newState;
201 	  }
202       }
203     else
204       q.postEvent (new WindowEvent ((Window) awtComponent, id, opposite));
205   }
206 }
207