タブが1つだけになったときは閉じるボタンを表示しないように変更した

[neighbornote/NeighborNote.git] / src / cx / fbn / nevernote / gui / TabBrowserWidget.java

diff --git a/src/cx/fbn/nevernote/gui/TabBrowserWidget.java b/src/cx/fbn/nevernote/gui/TabBrowserWidget.java
index bc920bb..4d4535a 100644 (file)
--- a/src/cx/fbn/nevernote/gui/TabBrowserWidget.java
+++ b/src/cx/fbn/nevernote/gui/TabBrowserWidget.java
@@ -1,22 +1,61 @@
+/*
+ * This file is part of NeighborNote
+ * Copyright 2013 Yuki Takahashi
+ * 
+ * This file may be licensed under the terms of of the
+ * GNU General Public License Version 2 (the ``GPL'').
+ *
+ * Software distributed under the License is distributed
+ * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
+ * express or implied. See the GPL for the specific language
+ * governing rights and limitations.
+ *
+ * You should have received a copy of the GPL along with this
+ * program. If not, go to http://www.gnu.org/licenses/gpl.html
+ * or write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+*/
+
 // ICHANGED
 package cx.fbn.nevernote.gui;
 
+import com.trolltech.qt.core.QSize;
+import com.trolltech.qt.gui.QTabBar;
 import com.trolltech.qt.gui.QTabWidget;
 import com.trolltech.qt.gui.QWidget;
 
+import cx.fbn.nevernote.NeverNote;
+
 public class TabBrowserWidget extends QTabWidget {
-       TabBrowserBar bar;
+       private final TabBrowserBar bar;
+       private final NeverNote parent;
+       private QSize closeButtonSize;
        
-       public TabBrowserWidget(QWidget parent) {
+       public TabBrowserWidget(NeverNote parent) {
                super(parent);
+               this.parent = parent;
                bar = new TabBrowserBar();
                this.setTabBar(bar);
+               bar.tabMoved.connect(parent, "tabIndexChanged(int, int)");
        }
        
        public int addNewTab(QWidget widget, String title){
                int index = this.addTab(widget, new String());
                bar.addNewTab(index, title);
                this.setTabToolTip(index, title);
+               
+               // タブが1個（多分これが発生するのはアプリ起動時だけ）なら閉じるボタンを隠す
+               // タブが2個以上あったら、一番左のタブの閉じるボタンを復元する
+               int tabCnt = this.count();
+               if (tabCnt == 1) {
+                       hideTabCloseButton(0);
+               } else if (tabCnt >= 2) {
+                       if (closeButtonSize != null && !bar.tabButton(0, QTabBar.ButtonPosition.RightSide).size().equals(closeButtonSize)) {
+                               showTabCloseButton(0);
+                       }
+               }
+               
                return index;
        }
 
@@ -25,4 +64,20 @@ public class TabBrowserWidget extends QTabWidget {
                this.setTabToolTip(index, title);
        }
        
+       // タブを閉じるボタンを隠す
+       public void hideTabCloseButton(int index) {
+               if (closeButtonSize == null) {
+                       closeButtonSize = bar.tabButton(index, QTabBar.ButtonPosition.RightSide).size();
+               }
+               bar.tabButton(index, QTabBar.ButtonPosition.RightSide).resize(0, 0);
+       }
+       
+       // タブを閉じるボタンを復元する
+       public void showTabCloseButton(int index) {
+               if (closeButtonSize != null) {
+                       bar.tabButton(index, QTabBar.ButtonPosition.RightSide).resize(closeButtonSize);
+               } else {
+                       bar.tabButton(index, QTabBar.ButtonPosition.RightSide).resize(16, 16);
+               }
+       }
 }