Add a special MessageBox to squeeze the path to fit onto the screen.

This is a fix for #1539

4 files changed, 185 insertions, 10 deletions

diff --git a/noncore/graphics/opie-eye/gui/gui.pro b/noncore/graphics/opie-eye/gui/gui.pro
index 2759dd5..250c8b1 100644
--- a/noncore/graphics/opie-eye/gui/gui.pro
+++ b/noncore/graphics/opie-eye/gui/gui.pro
@@ -6,3 +6,4 @@ HEADERS +=    gui/filesystem.h       \
               gui/viewmodebutton.h   \
-              gui/basesetup.h
+              gui/basesetup.h        \
+	      gui/messagebox.h
 
@@ -14,3 +15,4 @@ SOURCES +=    gui/filesystem.cpp     \
 	      gui/viewmodebutton.cpp \
-              gui/basesetup.cpp
+              gui/basesetup.cpp	     \
+	      gui/messagebox.cpp
 
diff --git a/noncore/graphics/opie-eye/gui/iconview.cpp b/noncore/graphics/opie-eye/gui/iconview.cpp
index 138e661..b2443e8 100644
--- a/noncore/graphics/opie-eye/gui/iconview.cpp
+++ b/noncore/graphics/opie-eye/gui/iconview.cpp
@@ -6,2 +6,3 @@
 #include "iconview.h"
+#include "messagebox.h"
 
@@ -379,9 +380,8 @@ void PIconView::slotTrash() {
     QString pa = currentFileName( isDir );
-    if ( isDir && pa.isEmpty() )
+    if ( isDir || pa.isEmpty() )
         return;
 
-    if (!QPEMessageBox::confirmDelete( this,
-                                      tr("Delete Image" ),
-                                      tr("the Image %1" ).arg(pa)))
-        return
+    if (!OMessageBox::confirmDelete( this, tr("the Image"),
+                                     pa, tr("Delete Image" )))
+        return;
 
@@ -432,5 +432,2 @@ void PIconView::polish()
 {
-    odebug << "===\n"
-            << "PIconView::polish()\n"
-            << "====" << oendl;
     QVBox::polish();
diff --git a/noncore/graphics/opie-eye/gui/messagebox.cpp b/noncore/graphics/opie-eye/gui/messagebox.cpp
new file mode 100644
index 0000000..c84e4e1
--- a/dev/null
+++ b/noncore/graphics/opie-eye/gui/messagebox.cpp
@@ -0,0 +1,119 @@
+/*
+               =.            This file is part of the OPIE Project
+             .=l.            Copyright (c)  2004 Holger Hans Peter <freyther@handhelds.org>
+           .>+-=
+ _;:,     .>    :=|.         This library is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This library is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#include "messagebox.h"
+
+#include <qapplication.h>
+#include <qmessagebox.h>
+
+/*
+ * LGPLv2 KDE Project kstringhandler.cpp
+ */
+template<class T>
+inline const T& kClamp( const T& x, const T& low, const T& high )
+{
+    if ( x < low )       return low;
+    else if ( high < x ) return high;
+    else                 return x;
+}
+
+/**
+ * dependant on the screen rotation place the dots
+ */
+static QString g_insert_ldot( const QString& name, const QFontMetrics& fontMetrics ) {
+    uint  maxPixels = qApp->desktop()->width()-90;
+    uint nameWidth = fontMetrics.width(name);
+
+    if (maxPixels < nameWidth) {
+        QString tmp = name;
+        const uint em = fontMetrics.maxWidth();
+        maxPixels -= fontMetrics.width("...");
+
+        while (maxPixels < nameWidth && !tmp.isEmpty()) {
+            int delta = (nameWidth - maxPixels) / em;
+            delta = kClamp(delta, 1, delta); // no max
+
+            tmp.remove(0, delta);
+            nameWidth = fontMetrics.width(tmp);
+        }
+
+        return ("..." + tmp);
+    }
+
+    return name;
+}
+
+/**
+ *
+ * #FIXME Write Own message box to be more independant on sizes
+ * #FIXME Ask translator how to make the sentence more robust
+ *
+ * \brief replacement for QPEMessageBox::confirmDelete
+ *
+ * If you want to delete a file and the path is too long to fit
+ * on the screen \ldots is inserted in the middle of the string
+ * to fit on the screen. This allows the user still to identify
+ * the file.
+ *
+ * @param parent  The parent of this MessageBox
+ * @param type    The type of the object to delte. i.e 'the image'
+ * @param object  The 'object' to be deleted
+ * @param caption An optional caption for the box
+ *
+ */
+bool OMessageBox::confirmDelete( QWidget* parent, const QString& type, const QString& object,
+                                 const QString& _caption ) {
+    /*
+     * create a messagebox to get the font metrics
+     */
+    QMessageBox msg( QString::null, QString::null,
+                     QMessageBox::Warning, QMessageBox::Yes,
+                     QMessageBox::No|QMessageBox::Default|QMessageBox::Escape,
+                     QMessageBox::NoButton,
+                     parent, "OMessageBox::confirmDelete" );
+
+    /*
+     * Create the Message and Caption
+     */
+    QString msga = QObject::tr("<qt>Are you sure you want to delete %1<br> %2?</qt>" )
+                   .arg( type )
+                   .arg( g_insert_ldot( object, msg.fontMetrics() ) );
+    QString caption = _caption.isEmpty() ?
+                      QObject::tr( "Confirm Deletion" ) : _caption;
+
+    msg.setText( msga );
+    msg.setCaption( caption );
+    msg.setIcon( QMessageBox::Warning );
+    msg.adjustSize();
+
+    /*
+     * Warn the user that he will delete
+     */
+    int ret = msg.exec();
+    return ( ret == QMessageBox::Yes );
+}
diff --git a/noncore/graphics/opie-eye/gui/messagebox.h b/noncore/graphics/opie-eye/gui/messagebox.h
new file mode 100644
index 0000000..a0e6fa0
--- a/dev/null
+++ b/noncore/graphics/opie-eye/gui/messagebox.h
@@ -0,0 +1,57 @@
+/*
+               =.            This file is part of the OPIE Project
+             .=l.            Copyright (c)  2004 Holger Hans Peter <freyther@handhelds.org>
+           .>+-=
+ _;:,     .>    :=|.         This library is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This library is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef OPIE_UI_OMESSAGE_BOX_H
+#define OPIE_UI_OMEESAGE_BOX_H
+
+#include <qstring.h>
+
+class QWidget;
+
+/*
+ * ### to be moved to OpieUI
+ * ### move KDEs KStringHandler to OpieCore
+ * ### once done
+ * FIXME
+ */
+
+/**
+ * \brief Custom and common Opie MessageBoxes
+ *
+ * A set of static methods to open special MessageBoxes.
+ */
+class OMessageBox {
+public:
+    static bool confirmDelete(QWidget *parent,
+			      const QString& type,
+			      const QString& object,
+			      const QString & caption = QString::null);
+
+};
+
+#endif