NBLib: gadget_w_font.h Source File

00001 /*
00002     File        : gadget_w_font.h
00003     Date        : 19-Sep-02
00004     Description : Class to represent a toolbox gadget that has a selectable
00005                   font.
00006 
00007     Copyright © 1995-2002 Alexander Thoukydides
00008 
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License
00011     as published by the Free Software Foundation; either version 2
00012     of the License, or (at your option) any later version.
00013 
00014     This program is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00017     GNU General Public License for more details.
00018 
00019     You should have received a copy of the GNU General Public License
00020     along with this program; if not, write to the Free Software
00021     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00022 */
00023 
00024 // Only include header file once
00025 #ifndef gadget_w_font_h
00026 #define gadget_w_font_h
00027 
00028 // Include cpplib header files
00029 #include "string.h"
00030 
00031 // A class to represent a gadget with selectable font
00032 class gadget_w_font
00033 {
00034 public:
00035 
00036     /*
00037         Parameters  : font  - The name of the font to use, or NULL to use the
00038                               system font.
00039                       xsize - The width in 16ths of a point.
00040                       ysize - The height in 16ths of a point.
00041         Returns     : void
00042         Description : Set the font for this gadget.
00043     */
00044     void set_font(const char *font = NULL, int xsize = 0, int ysize = 0);
00045 
00046     /*
00047         Parameters  : font  - The name of the font to use.
00048                       xsize - The width in 16ths of a point.
00049                       ysize - The height in 16ths of a point.
00050         Returns     : void
00051         Description : Set the font for this gadget.
00052     */
00053     void set_font(const string &font, int xsize, int ysize);
00054 
00055 protected:
00056 
00057     /*
00058         Parameters  : font  - The name of the font to use, or NULL to use the
00059                               system font.
00060                       xsize - The width in 16ths of a point.
00061                       ysize - The height in 16ths of a point.
00062         Returns     : void
00063         Description : Gadget specific function to set the font.
00064     */
00065     virtual void _set_font(const char *font, int xsize, int ysize) = 0;
00066 };
00067 
00068 /*
00069     Parameters  : font  - The name of the font to use.
00070                   xsize - The width in 16ths of a point.
00071                   ysize - The height in 16ths of a point.
00072     Returns     : void
00073     Description : Set the font for this gadget.
00074 */
00075 inline void gadget_w_font::set_font(const char *font, int xsize, int ysize)
00076 {
00077     _set_font(font, xsize, ysize);
00078 }
00079 
00080 /*
00081     Parameters  : font  - The name of the font to use.
00082                   xsize - The width in 16ths of a point.
00083                   ysize - The height in 16ths of a point.
00084     Returns     : void
00085     Description : Set the font for this gadget.
00086 */
00087 inline void gadget_w_font::set_font(const string &font,
00088                                        int xsize, int ysize)
00089 {
00090     _set_font(font.c_str(), xsize, ysize);
00091 }
00092 
00093 #endif