阻抗弹窗

ZBD_IIIDL_S_Project/release/QtQuick/Controls/Private/CalendarUtils.js

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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+.pragma library
+
+var daysInAWeek = 7;
+var monthsInAYear = 12;
+
+// Not the number of weeks per month, but the number of weeks that are
+// shown on a typical calendar.
+var weeksOnACalendarMonth = 6;
+
+// Can't create year 1 directly...
+var minimumCalendarDate = new Date(-1, 0, 1);
+minimumCalendarDate.setFullYear(minimumCalendarDate.getFullYear() + 2);
+var maximumCalendarDate = new Date(275759, 9, 25);
+
+function daysInMonth(date) {
+    // Passing 0 as the day will give us the previous month, which will be
+    // date.getMonth() since we added 1 to it.
+    return new Date(date.getFullYear(), date.getMonth() + 1, 0).getDate();
+}
+
+/*!
+    Returns a copy of \a date with its month set to \a month, keeping the same
+    day if possible. Does not modify \a date.
+*/
+function setMonth(date, month) {
+    var oldDay = date.getDate();
+    var newDate = new Date(date);
+    // Set the day first, because setting the month could cause it to skip ahead
+    // a month if the day is larger than the latest day in that month.
+    newDate.setDate(1);
+    newDate.setMonth(month);
+    // We'd like to have the previous day still selected when we change
+    // months, but it might not be possible, so use the smallest of the two.
+    newDate.setDate(Math.min(oldDay, daysInMonth(newDate)));
+    return newDate;
+}
+
+/*!
+    Returns the cell rectangle for the cell at the given \a index, assuming
+    that the grid has a number of columns equal to \a columns and rows
+    equal to \a rows, with an available width of \a availableWidth and height
+    of \a availableHeight.
+
+    If \a gridLineWidth is greater than \c 0, the cell rectangle will be
+    calculated under the assumption that there is a grid between the cells:
+
+        31 |  1 |  2 |  3 |  4 |  5 |  6
+        --------------------------------
+         7 |  8 |  9 | 10 | 11 | 12 | 13
+        --------------------------------
+        14 | 15 | 16 | 17 | 18 | 19 | 20
+        --------------------------------
+        21 | 22 | 23 | 24 | 25 | 26 | 27
+        --------------------------------
+        28 | 29 | 30 | 31 |  1 |  2 |  3
+        --------------------------------
+         4 |  5 |  6 |  7 |  8 |  9 | 10
+*/
+function cellRectAt(index, columns, rows, availableWidth, availableHeight, gridLineWidth) {
+    var col = Math.floor(index % columns);
+    var row = Math.floor(index / columns);
+
+    var availableWidthMinusGridLines = availableWidth - ((columns - 1) * gridLineWidth);
+    var availableHeightMinusGridLines = availableHeight - ((rows - 1) * gridLineWidth);
+    var remainingHorizontalSpace = Math.floor(availableWidthMinusGridLines % columns);
+    var remainingVerticalSpace = Math.floor(availableHeightMinusGridLines % rows);
+    var baseCellWidth = Math.floor(availableWidthMinusGridLines / columns);
+    var baseCellHeight = Math.floor(availableHeightMinusGridLines / rows);
+
+    var rect = Qt.rect(0, 0, 0, 0);
+
+    rect.x = baseCellWidth * col;
+    rect.width = baseCellWidth;
+    if (remainingHorizontalSpace > 0) {
+        if (col < remainingHorizontalSpace) {
+            ++rect.width;
+        }
+
+        // This cell's x position should be increased by 1 for every column above it.
+        rect.x += Math.min(remainingHorizontalSpace, col);
+    }
+
+    rect.y = baseCellHeight * row;
+    rect.height = baseCellHeight;
+    if (remainingVerticalSpace > 0) {
+        if (row < remainingVerticalSpace) {
+            ++rect.height;
+        }
+
+        // This cell's y position should be increased by 1 for every row above it.
+        rect.y += Math.min(remainingVerticalSpace, row);
+    }
+
+    rect.x += col * gridLineWidth;
+    rect.y += row * gridLineWidth;
+
+    return rect;
+}