Add author-abandoned basket application

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/basket@1072339 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 151 insertions, 0 deletions

diff --git a/src/popupmenu.cpp b/src/popupmenu.cpp
new file mode 100644
index 0000000..a73aa65
--- /dev/null
+++ b/src/popupmenu.cpp
@@ -0,0 +1,151 @@
+/***************************************************************************
+ *   Copyright (C) 2003 by Sébastien Laoût                                 *
+ *   slaout@linux62.org                                                    *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+
+#include <kapplication.h>
+#include <qdesktopwidget.h>
+#include <qpopupmenu.h>
+#include <qrect.h>
+
+#include "popupmenu.h"
+
+#if KDE_IS_VERSION( 3, 2, 90 )   // KDE 3.3.x
+  #define MENU_Y_OFFSET 1
+#else
+  #define MENU_Y_OFFSET 2
+#endif
+
+/** NOTE 1 : This implementation forget BIDI support (eg RightToLeft languages
+  *          expect to try to popup the menu first at bottom-right
+  *          and not at bottom-left.
+  * NOTE 2 : This implementation do not support virtual desktop with more than
+  *          one screen. Pehrapse QPopupMenu solve it by itself but I can't
+  *          try : I have only one screen.
+  * => Have those methods directly in Qt (or KDE) would be a great benefits !
+  */
+
+void PopupMenu::execAtRectCenter(QPopupMenu &menu, const QRect &rect)
+{
+	// Compute point where to popup the menu that should be centered :
+	QSize menuSize = menu.sizeHint();
+	QSize menuHalfSize = menuSize / 2;
+	QPoint point = rect.center() - QPoint(menuHalfSize.width(), menuHalfSize.height());
+
+	// Very strange : menu.exec(point) do that clipping (but not when exec() by mouse !!! ) :
+	// If menu is partially out of the screen, move it :
+/*	int desktopWidth  = kapp->desktop()->width();
+	int desktopHeight = kapp->desktop()->height();
+	if (point.x() + menuSize.width() > desktopWidth)       point.setX(desktopWidth - menuSize.width());
+	if (point.y() + menuSize.height() - 2 > desktopHeight) point.setY(desktopHeight - menuSize.height() + 2);
+	if (point.x() < 0)                                     point.setX(0);
+	if (point.y() < 0)                                     point.setY(0);*/
+
+	// And show the menu :
+	menu.exec( point + QPoint(0, MENU_Y_OFFSET) ); // Stupid offset (Qt bug ?) : we should show the menus 2 pixels more bottom !
+}
+
+// Needed on debug to draw the passed global rectangle :
+//#include <qpainter.h>
+//#include <qpen.h>
+
+void PopupMenu::execAtRectBottom(QPopupMenu &menu, const QRect &rect, bool centered)
+{
+	QSize menuSize = menu.sizeHint() - QSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
+	int desktopWidth  = kapp->desktop()->width();   //  to be compared/added/substracted with QRects/QPoints...
+	int desktopHeight = kapp->desktop()->height();
+
+	/** Paint the rect on the screen (desktop).
+	  * For test purpose only (to be sure the passed rectangle is right).
+	  * Comment this (and the qpainter and qpen includes) for a non-debug version.
+	  */
+	/*QPainter paint(kapp->desktop(), kapp->desktop(), true);
+	paint.setPen( QPen(Qt::black, 1) );
+	paint.drawRect(rect);
+	paint.end();*/
+
+	// rect.bottomLeft() and rect.bottomRight() must be VISIBLE :
+	//  show the menu 1 pixel more BOTTOM (add 1 in Y) :
+	QPoint point = rect.bottomLeft() + QPoint(0, 1);
+	if (point.y() + menuSize.height() < desktopHeight) { // First try at bottom
+		if (centered)
+			point = QPoint( rect.center().x() - menuSize.width() / 2, point.y() );
+		else if (point.x() + menuSize.width() < desktopWidth) //   Then, try at bottom-left
+			/*point is already set*/;
+		else                                             //   Overwise, at bottom-right
+			point = rect.bottomRight() - QPoint(menuSize.width(), - 1);
+	// Idem : rect.topLeft() and rect.topRight() must be VISIBLE :
+	//  show the menu 1 pixel more TOP (substract 1 in Y) :
+	} else {                                             // Overwize, try at top
+		if (centered)
+			point = QPoint( rect.center().x() - menuSize.width() / 2, rect.top() - menuSize.height() - 1 );
+		else if (point.x() + menuSize.width() < desktopWidth) //   Then, try at top-left
+			point = rect.topLeft()  - QPoint(0, menuSize.height() + 1);
+		else                                             //   Overwise, at top-right
+			point = rect.topRight() - QPoint(menuSize.width(), menuSize.height() + 1);
+	}
+
+	// No need to clip : it will be done by menu.exec(...)
+
+	// And show the menu :
+	menu.exec( point + QPoint(0, MENU_Y_OFFSET) ); // Stupid offset (Qt bug ?) : we should show the menus 2 pixels more bottom !
+}
+
+void PopupMenu::execAtRectRight(QPopupMenu &menu, const QRect &rect, bool centered)
+{
+	QSize menuSize = menu.sizeHint() - QSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
+	int desktopWidth  = kapp->desktop()->width();   //  to be compared/added/substracted with QRects/QPoints...
+	int desktopHeight = kapp->desktop()->height();
+
+	/** Paint the rect on the screen (desktop).
+	  * For test purpose only (to be sure the passed rectangle is right).
+	  * Comment this (and the qpainter and qpen includes) for a non-debug version.
+	  */
+	/*QPainter paint(kapp->desktop(), kapp->desktop(), true);
+	paint.setPen( QPen(Qt::black, 1) );
+	paint.drawRect(rect);
+	paint.end();*/
+
+	// rect.topRight() and rect.topLeft() must be VISIBLE :
+	//  show the menu 1 pixel more RIGHT (add 1 in X) :
+	QPoint point = rect.topRight() + QPoint(1, 0);
+	if (point.x() + menuSize.width() < desktopWidth) { // First try at right
+		if (centered)
+			point = QPoint( point.x(), rect.center().y() - menuSize.height() / 2 );
+		else if (point.y() + menuSize.height() < desktopHeight) //   Then, try at top-right
+			/*point is already set*/;
+		else                                             //   Overwise, at top-left
+			point = rect.bottomRight() - QPoint(-1, menuSize.height());
+	// Idem : rect.topLeft() and rect.bottomLeft() must be VISIBLE :
+	//  show the menu 1 pixel more LEFT (substract 1 in X) :
+	} else {                                             // Overwize, try at top
+		if (centered)
+			point = QPoint( rect.left() - menuSize.width() - 1, rect.center().y() - menuSize.height() / 2 );
+		else if (point.y() + menuSize.height() < desktopHeight) //   Then, try at top-left
+			point = rect.topLeft()  - QPoint(menuSize.width() + 1, 0);
+		else                                             //   Overwise, at bottom-left
+			point = rect.bottomLeft() - QPoint(menuSize.width() + 1, menuSize.height());
+	}
+
+	// No need to clip : it will be done by menu.exec(...)
+
+	// And show the menu :
+	menu.exec( point + QPoint(0, MENU_Y_OFFSET) ); // Stupid offset (Qt bug ?) : we should show the menus 2 pixels more bottom !
+}
+
+// # i n  c l u d e   " p o p u p m e n u . m o c " // Comment this if you don't compile PopupMenuTest class