/*************************************************************************** * 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 #include #include #include #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 TQPopupMenu solve it by itself but I can't * try : I have only one screen. * => Have those methods directly in TQt (or KDE) would be a great benefits ! */ void PopupMenu::execAtRectCenter(TQPopupMenu &menu, const TQRect &rect) { // Compute point where to popup the menu that should be centered : TQSize menuSize = menu.sizeHint(); TQSize menuHalfSize = menuSize / 2; TQPoint point = rect.center() - TQPoint(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 + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom ! } // Needed on debug to draw the passed global rectangle : //#include //#include void PopupMenu::execAtRectBottom(TQPopupMenu &menu, const TQRect &rect, bool centered) { TQSize menuSize = menu.sizeHint() - TQSize(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 TQRects/TQPoints... 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. */ /*TQPainter paint(kapp->desktop(), kapp->desktop(), true); paint.setPen( TQPen(TQt::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) : TQPoint point = rect.bottomLeft() + TQPoint(0, 1); if (point.y() + menuSize.height() < desktopHeight) { // First try at bottom if (centered) point = TQPoint( 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() - TQPoint(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 = TQPoint( 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() - TQPoint(0, menuSize.height() + 1); else // Overwise, at top-right point = rect.topRight() - TQPoint(menuSize.width(), menuSize.height() + 1); } // No need to clip : it will be done by menu.exec(...) // And show the menu : menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom ! } void PopupMenu::execAtRectRight(TQPopupMenu &menu, const TQRect &rect, bool centered) { TQSize menuSize = menu.sizeHint() - TQSize(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 TQRects/TQPoints... 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. */ /*TQPainter paint(kapp->desktop(), kapp->desktop(), true); paint.setPen( TQPen(TQt::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) : TQPoint point = rect.topRight() + TQPoint(1, 0); if (point.x() + menuSize.width() < desktopWidth) { // First try at right if (centered) point = TQPoint( 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() - TQPoint(-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 = TQPoint( 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() - TQPoint(menuSize.width() + 1, 0); else // Overwise, at bottom-left point = rect.bottomLeft() - TQPoint(menuSize.width() + 1, menuSize.height()); } // No need to clip : it will be done by menu.exec(...) // And show the menu : menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt 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