widget/gtk/nsPaperPS.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/gtk/nsPaperPS.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,93 @@
     1.4 +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 + 
    1.11 +#ifndef _PAPERPS_H_
    1.12 +#define _PAPERPS_H_
    1.13 +
    1.14 +#include "nsDebug.h"
    1.15 +
    1.16 +struct nsPaperSizePS_ {
    1.17 +    const char *name;
    1.18 +    float width_mm;
    1.19 +    float height_mm;
    1.20 +    bool isMetric;        // Present to the user in metric, if possible
    1.21 +};
    1.22 +
    1.23 +class nsPaperSizePS {
    1.24 +    public:
    1.25 +        /** ---------------------------------------------------
    1.26 +         * Constructor
    1.27 +         */
    1.28 +        nsPaperSizePS() { mCurrent = 0; }
    1.29 +
    1.30 +        /** ---------------------------------------------------
    1.31 +         * @return true if the cursor points past the last item.
    1.32 +         */
    1.33 +        bool AtEnd() { return mCurrent >= mCount; }
    1.34 +
    1.35 +        /** ---------------------------------------------------
    1.36 +         * Position the cursor at the beginning of the paper size list.
    1.37 +         * @return VOID
    1.38 +         */
    1.39 +        void First() { mCurrent = 0; }
    1.40 +
    1.41 +        /** ---------------------------------------------------
    1.42 +         * Advance the cursor to the next item.
    1.43 +         * @return VOID
    1.44 +         */
    1.45 +        void Next() {
    1.46 +            NS_ASSERTION(!AtEnd(), "Invalid current item");
    1.47 +            mCurrent++;
    1.48 +        }
    1.49 +
    1.50 +        /** ---------------------------------------------------
    1.51 +         * Point the cursor to the entry with the given paper name.
    1.52 +         * @return true if pointing to a valid entry.
    1.53 +         */
    1.54 +        bool Find(const char *aName);
    1.55 +
    1.56 +        /** ---------------------------------------------------
    1.57 +         * @return a pointer to the name of the current paper size
    1.58 +         */
    1.59 +        const char *Name() {
    1.60 +            NS_PRECONDITION(!AtEnd(), "Invalid current item");
    1.61 +            return mList[mCurrent].name;
    1.62 +        }
    1.63 +
    1.64 +        /** ---------------------------------------------------
    1.65 +         * @return the width of the page in millimeters
    1.66 +         */
    1.67 +        float Width_mm() {
    1.68 +            NS_PRECONDITION(!AtEnd(), "Invalid current item");
    1.69 +            return mList[mCurrent].width_mm;
    1.70 +        }
    1.71 +
    1.72 +        /** ---------------------------------------------------
    1.73 +         * @return the height of the page in millimeters
    1.74 +         */
    1.75 +        float Height_mm() {
    1.76 +            NS_PRECONDITION(!AtEnd(), "Invalid current item");
    1.77 +            return mList[mCurrent].height_mm;
    1.78 +        }
    1.79 +
    1.80 +        /** ---------------------------------------------------
    1.81 +         * @return true if the paper should be presented to
    1.82 +         *                 the user in metric units.
    1.83 +         */
    1.84 +        bool IsMetric() {
    1.85 +            NS_PRECONDITION(!AtEnd(), "Invalid current item");
    1.86 +            return mList[mCurrent].isMetric;
    1.87 +        }
    1.88 +
    1.89 +    private:
    1.90 +        unsigned int mCurrent;
    1.91 +        static const nsPaperSizePS_ mList[];
    1.92 +        static const unsigned int mCount;
    1.93 +};
    1.94 +
    1.95 +#endif
    1.96 +

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