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152 lines
7.5 KiB
152 lines
7.5 KiB
/***************************************************************************
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* Copyright (C) 2003 by Sébastien Laoût *
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* slaout@linux62.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <tdeapplication.h>
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#include <tqdesktopwidget.h>
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#include <tqpopupmenu.h>
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#include <tqrect.h>
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#include "popupmenu.h"
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#if KDE_IS_VERSION( 3, 2, 90 ) // KDE 3.3.x
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#define MENU_Y_OFFSET 1
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#else
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#define MENU_Y_OFFSET 2
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#endif
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/** NOTE 1 : This implementation forget BIDI support (eg RightToLeft languages
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* expect to try to popup the menu first at bottom-right
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* and not at bottom-left.
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* NOTE 2 : This implementation do not support virtual desktop with more than
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* one screen. Pehrapse TQPopupMenu solve it by itself but I can't
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* try : I have only one screen.
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* => Have those methods directly in TQt (or KDE) would be a great benefits !
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*/
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void PopupMenu::execAtRectCenter(TQPopupMenu &menu, const TQRect &rect)
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{
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// Compute point where to popup the menu that should be centered :
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TQSize menuSize = menu.sizeHint();
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TQSize menuHalfSize = menuSize / 2;
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TQPoint point = rect.center() - TQPoint(menuHalfSize.width(), menuHalfSize.height());
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// Very strange : menu.exec(point) do that clipping (but not when exec() by mouse !!! ) :
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// If menu is partially out of the screen, move it :
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/* int desktopWidth = kapp->desktop()->width();
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int desktopHeight = kapp->desktop()->height();
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if (point.x() + menuSize.width() > desktopWidth) point.setX(desktopWidth - menuSize.width());
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if (point.y() + menuSize.height() - 2 > desktopHeight) point.setY(desktopHeight - menuSize.height() + 2);
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if (point.x() < 0) point.setX(0);
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if (point.y() < 0) point.setY(0);*/
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// And show the menu :
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menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
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}
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// Needed on debug to draw the passed global rectangle :
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//#include <tqpainter.h>
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//#include <tqpen.h>
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void PopupMenu::execAtRectBottom(TQPopupMenu &menu, const TQRect &rect, bool centered)
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{
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TQSize menuSize = menu.sizeHint() - TQSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
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int desktopWidth = kapp->desktop()->width(); // to be compared/added/substracted with TQRects/TQPoints...
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int desktopHeight = kapp->desktop()->height();
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/** Paint the rect on the screen (desktop).
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* For test purpose only (to be sure the passed rectangle is right).
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* Comment this (and the qpainter and qpen includes) for a non-debug version.
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*/
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/*TQPainter paint(kapp->desktop(), kapp->desktop(), true);
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paint.setPen( TQPen(TQt::black, 1) );
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paint.drawRect(rect);
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paint.end();*/
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// rect.bottomLeft() and rect.bottomRight() must be VISIBLE :
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// show the menu 1 pixel more BOTTOM (add 1 in Y) :
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TQPoint point = rect.bottomLeft() + TQPoint(0, 1);
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if (point.y() + menuSize.height() < desktopHeight) { // First try at bottom
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if (centered)
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point = TQPoint( rect.center().x() - menuSize.width() / 2, point.y() );
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else if (point.x() + menuSize.width() < desktopWidth) // Then, try at bottom-left
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/*point is already set*/;
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else // Overwise, at bottom-right
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point = rect.bottomRight() - TQPoint(menuSize.width(), - 1);
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// Idem : rect.topLeft() and rect.topRight() must be VISIBLE :
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// show the menu 1 pixel more TOP (substract 1 in Y) :
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} else { // Overwize, try at top
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if (centered)
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point = TQPoint( rect.center().x() - menuSize.width() / 2, rect.top() - menuSize.height() - 1 );
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else if (point.x() + menuSize.width() < desktopWidth) // Then, try at top-left
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point = rect.topLeft() - TQPoint(0, menuSize.height() + 1);
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else // Overwise, at top-right
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point = rect.topRight() - TQPoint(menuSize.width(), menuSize.height() + 1);
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}
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// No need to clip : it will be done by menu.exec(...)
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// And show the menu :
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menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
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}
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void PopupMenu::execAtRectRight(TQPopupMenu &menu, const TQRect &rect, bool centered)
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{
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TQSize menuSize = menu.sizeHint() - TQSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
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int desktopWidth = kapp->desktop()->width(); // to be compared/added/substracted with TQRects/TQPoints...
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int desktopHeight = kapp->desktop()->height();
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/** Paint the rect on the screen (desktop).
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* For test purpose only (to be sure the passed rectangle is right).
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* Comment this (and the qpainter and qpen includes) for a non-debug version.
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*/
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/*TQPainter paint(kapp->desktop(), kapp->desktop(), true);
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paint.setPen( TQPen(TQt::black, 1) );
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paint.drawRect(rect);
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paint.end();*/
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// rect.topRight() and rect.topLeft() must be VISIBLE :
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// show the menu 1 pixel more RIGHT (add 1 in X) :
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TQPoint point = rect.topRight() + TQPoint(1, 0);
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if (point.x() + menuSize.width() < desktopWidth) { // First try at right
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if (centered)
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point = TQPoint( point.x(), rect.center().y() - menuSize.height() / 2 );
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else if (point.y() + menuSize.height() < desktopHeight) // Then, try at top-right
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/*point is already set*/;
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else // Overwise, at top-left
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point = rect.bottomRight() - TQPoint(-1, menuSize.height());
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// Idem : rect.topLeft() and rect.bottomLeft() must be VISIBLE :
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// show the menu 1 pixel more LEFT (substract 1 in X) :
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} else { // Overwize, try at top
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if (centered)
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point = TQPoint( rect.left() - menuSize.width() - 1, rect.center().y() - menuSize.height() / 2 );
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else if (point.y() + menuSize.height() < desktopHeight) // Then, try at top-left
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point = rect.topLeft() - TQPoint(menuSize.width() + 1, 0);
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else // Overwise, at bottom-left
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point = rect.bottomLeft() - TQPoint(menuSize.width() + 1, menuSize.height());
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}
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// No need to clip : it will be done by menu.exec(...)
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// And show the menu :
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menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
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}
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// # 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
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