This file is indexed.

/usr/include/Nux-4.0/Nux/StaticText.h is in libnux-4.0-dev 4.0.8+17.10.20170922-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
/*
 * Copyright 2012 Inalogic® Inc.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, as
 * published by the  Free Software Foundation; either version 2.1 or 3.0
 * of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the applicable version of the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of both the GNU Lesser General Public
 * License along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 * Authored by: Jay Taoko <jaytaoko@inalogic.com>
 *
 */

#ifndef STATICTEXT_H
#define STATICTEXT_H

#include "NuxCore/Size.h"

#if defined(NUX_OS_WINDOWS)
  #define NUX_STATIC_TEXT_USE_DIRECT_WRITE
#elif defined(NUX_OS_LINUX)
  #define NUX_STATIC_TEXT_USE_CAIRO
#else
  #error Not implemented.
#endif

namespace nux
{
  class CairoGraphics;

  /*!
      A View that renders as static text.
  */
  class StaticText: public View
  {
    NUX_DECLARE_OBJECT_TYPE(StaticText, View);
  public:

    //! Text alignment inside the view.
    /*!
        When the text width is smaller than the view width, the text may be aligned
        inside the view. The options are:
            Left
            Right
            Center
        The default alignment is centered.
    */
    enum TextAlignment
    {
      ALIGN_CENTER = 0,
      ALIGN_LEFT,
      ALIGN_RIGHT,
    };

    StaticText(const std::string& text, NUX_FILE_LINE_PROTO);
    virtual ~StaticText();

    //! Set size of widget according to the text extent.
    /*!
        @param size_match_text If true, the widget size is set to match the size of the text on the screen.
    */
    void SetSizeMatchText(bool size_match_text);

    //! Return true if the widget with changes to match the text width.
    bool GetSizeMatchText() const;

    //! Set the text string.
    void SetText(const std::string& text);

    //! Get the text string.
    std::string GetText() const;

    //! Set text color.
    /*!
        Set the text color. The default color is white.

        @param text_color The text color.
    */
    void SetTextColor(const Color& text_color);
    
    //! Get text color.
    /*!
        Get the text color.

        @return The text color.
    */
    Color GetTextColor() const;

    //! Set the font name.
    /*!
        Set the font name. On Ubuntu, the default is "Ubuntu".

        @param font_name The font name.
    */
    void SetFontName(const std::string& font_name);

    //! Get the font name.
    /*!
        Get the font name.

        @return The font name.
    */
    std::string GetFontName() const;

    //! Set text point size.
    /*
        Set the text point size. The value should be greater than 0. Otherwise, the 
        text point size is not changed. \n
        The default value is 10.

        @param size The text point size.
    */
    void SetFontSize(int size);
    void SetTextPointSize(int size); //deprecated: use SetFontSize

    //! Get text point size.
    int GetFontSize() const;
    int GetTextPointSize() const; //deprecated: use GetFontSize

    void GetTextLayoutSize(int& width, int& height) const;

    Size GetTextLayoutSize() const;

    //! Set text alignment inside the view.
    /*!
        @param alignment The text alignment inside the view.
    */
    void SetTextAlignment(TextAlignment alignment);

    //! Return the text alignment
    /*!
        @return The text alignment inside the view.
    */
    TextAlignment GetTextAlignment() const;

    //! Returns the device texture for the text.
    /*!
        Returns the device texture for the text. The device texture may be used \n
        for direct rendering.

        @return A smart point for the device texture.
    */
    ObjectPtr<nux::IOpenGLBaseTexture> GetTextTexture();

    sigc::signal<void, StaticText*> text_changed;

  protected:
    virtual void ApplyMinWidth();
    virtual long ComputeContentSize();
    virtual void Draw(GraphicsEngine& graphics_engine, bool forceDraw);

    int text_width_;  //!< Rasterized text width.
    int text_height_; //!< Rasterized text height.

    std::string text_;
    Color text_color_;

    BaseTexture* rasterized_text_texture_;

    bool size_match_text_;

    int clip_to_width_; //!< Wrapping of line.

    float font_size_;
    std::string font_name_;
    bool update_text_rendering_;

    ObjectPtr<nux::IOpenGLBaseTexture> dw_texture_;
    
    TextAlignment text_alignment_;

    void SetClipping(int clipping);
    int GetClipping() const;

#if defined(NUX_STATIC_TEXT_USE_DIRECT_WRITE)
    Size ComputeTextSize(bool assign = true, bool with_clipping = true);
    void RasterizeText(Color color);
    void UpdateTextRendering();

    float layout_left_;
    float layout_top_;
    float dpi_scale_x;
    float dpi_scale_y;
    
#elif defined (NUX_STATIC_TEXT_USE_CAIRO)
    float dpy_;
    std::string pango_font_name_;  //!< Input to pango_font_description_from_string.

    Size ComputeTextSize(bool assign = true, bool with_clipping = true);
    void RasterizeText(void* cairo_context, Color color);
    void UpdateTextRendering();

    CairoGraphics* cairo_graphics_;
#endif

  private:
    //! Override of Area::SetMinimumHeight and made private.
    /*!
        Prevent changing the minimum height of the StaticText view.
    */
    virtual void SetMinimumHeight(int h){};

    //! Override of Area::SetMaximumHeight and made private.
    /*!
        Prevent changing the maximum height of the StaticText view.
    */
    virtual void SetMaximumHeight(int h){};

    //! Compute the full text size.
    /*!
        Compute the full text size, but do not change the parameters of this class.

        @return The full text size.
    */
    Size GetTextSizeNoClip();

    float padding_x_;   //!< Adds a padding around the entire text box.
    float padding_y_;   //!< Adds a padding around the entire text box.
    Size no_clip_size_; //! Cache of the GetTextSizeNoClip results so we don't recompute them constantly.
  };

}

#endif // STATICTEXT_H