1 /* gtkscrollpanepeer.c -- Native implementation of GtkScrollPanePeer
2 Copyright (C) 1998, 1999, 2002 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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)
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA
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
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. */
40 #include "gnu_java_awt_peer_gtk_GtkScrollPanePeer.h"
42 #define AWT_SCROLLPANE_SCROLLBARS_AS_NEEDED 0
43 #define AWT_SCROLLPANE_SCROLLBARS_ALWAYS 1
44 #define AWT_SCROLLPANE_SCROLLBARS_NEVER 2
46 JNIEXPORT void JNICALL
47 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_create
48 (JNIEnv *env, jobject obj, int width, int height)
54 /* Create global reference and save it for future use */
55 NSA_SET_GLOBAL_REF (env, obj);
57 sw = gtk_scrolled_window_new (NULL, NULL);
59 gtk_widget_set_size_request (sw, width, height);
61 NSA_SET_PTR (env, obj, sw);
66 JNIEXPORT void JNICALL
67 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_setScrollPosition
68 (JNIEnv *env, jobject obj, jint x, jint y)
70 GtkAdjustment *hadj, *vadj;
71 GtkScrolledWindow *sw;
76 ptr = NSA_GET_PTR (env, obj);
78 sw = GTK_SCROLLED_WINDOW (ptr);
80 hadj = gtk_scrolled_window_get_hadjustment (sw);
81 vadj = gtk_scrolled_window_get_vadjustment (sw);
83 gtk_adjustment_set_value (hadj, x);
84 gtk_adjustment_set_value (vadj, y);
89 JNIEXPORT void JNICALL
90 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_gtkScrolledWindowSetHScrollIncrement
91 (JNIEnv *env, jobject obj, jint u)
94 GtkScrolledWindow *sw;
99 ptr = NSA_GET_PTR (env, obj);
101 sw = GTK_SCROLLED_WINDOW(ptr);
103 hadj = gtk_scrolled_window_get_hadjustment (sw);
104 hadj->step_increment = u;
106 gdk_threads_leave ();
109 JNIEXPORT void JNICALL
110 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_gtkScrolledWindowSetVScrollIncrement
111 (JNIEnv *env, jobject obj, jint u)
114 GtkScrolledWindow *sw;
117 gdk_threads_enter ();
119 ptr = NSA_GET_PTR (env, obj);
121 sw = GTK_SCROLLED_WINDOW(ptr);
123 vadj = gtk_scrolled_window_get_hadjustment (sw);
124 vadj->step_increment = u;
126 gdk_threads_leave ();
129 JNIEXPORT jint JNICALL
130 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_getHScrollbarHeight
131 (JNIEnv *env, jobject obj)
134 GtkScrolledWindow *sw;
135 GtkRequisition requisition;
139 gdk_threads_enter ();
141 ptr = NSA_GET_PTR (env, obj);
143 sw = GTK_SCROLLED_WINDOW (ptr);
145 gtk_widget_size_request (sw->hscrollbar, &requisition);
146 gtk_widget_style_get (GTK_WIDGET (sw), "scrollbar_spacing", &spacing, NULL);
147 height = requisition.height + spacing;
149 gdk_threads_leave ();
154 JNIEXPORT jint JNICALL
155 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_getVScrollbarWidth
156 (JNIEnv *env, jobject obj)
159 GtkScrolledWindow *sw;
160 GtkRequisition requisition;
164 gdk_threads_enter ();
166 ptr = NSA_GET_PTR (env, obj);
168 sw = GTK_SCROLLED_WINDOW (ptr);
170 gtk_widget_size_request (sw->vscrollbar, &requisition);
171 gtk_widget_style_get (GTK_WIDGET (sw), "scrollbar_spacing", &spacing, NULL);
172 width = requisition.width + spacing;
174 gdk_threads_leave ();
179 JNIEXPORT void JNICALL
180 Java_gnu_java_awt_peer_gtk_GtkScrollPanePeer_setPolicy
181 (JNIEnv *env, jobject obj, jint policy)
185 gdk_threads_enter ();
187 ptr = NSA_GET_PTR (env, obj);
191 case AWT_SCROLLPANE_SCROLLBARS_AS_NEEDED:
192 policy = GTK_POLICY_AUTOMATIC;
194 case AWT_SCROLLPANE_SCROLLBARS_ALWAYS:
195 policy = GTK_POLICY_ALWAYS;
197 case AWT_SCROLLPANE_SCROLLBARS_NEVER:
198 policy = GTK_POLICY_NEVER;
202 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ptr), policy, policy);
204 gdk_threads_leave ();