src/aven.h

   1 /*
   2 //  aven.h
   3 //
   4 //  Main class for Aven.
   5 //
   6 //  Copyright (C) 2001, Mark R. Shinwell.
   7 //  Copyright (C) 2002,2003,2004,2005,2006,2015 Olly Betts
   8 //
   9 //  This program is free software; you can redistribute it and/or modify
  10 //  it under the terms of the GNU General Public License as published by
  11 //  the Free Software Foundation; either version 2 of the License, or
  12 //  (at your option) any later version.
  13 //
  14 //  This program is distributed in the hope that it will be useful,
  15 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 //  GNU General Public License for more details.
  18 //
  19 //  You should have received a copy of the GNU General Public License
  20 //  along with this program; if not, write to the Free Software
  21 //  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22 */
  23
  24 /* Note: this header needs to be safe to include from C code */
  25
  26 #ifndef aven_h
  27 #define aven_h
  28
  29 #include <stdarg.h>
  30
  31 #define APP_NAME wxT("Aven")
  32 #define APP_ABOUT_IMAGE wxT("aven-about.png")
  33
  34 extern
  35 #ifdef __cplusplus
  36  "C"
  37 #endif
  38 void aven_v_report(int severity, const char *fnm, int line, int en,
  39                    va_list ap);
  40
  41 #ifdef __cplusplus
  42
  43 #include "wx.h"
  44
  45 #include <string>
  46
  47 inline std::string
  48 string_formatv(const char * fmt, va_list args)
  49 {
  50     static size_t len = 4096;
  51     static char * buf = NULL;
  52     while (true) {
  53         if (!buf) buf = new char[len];
  54         int r = vsnprintf(buf, len, fmt, args);
  55         if (r < int(len) && r != -1) {
  56             return std::string(buf, r);
  57         }
  58         delete [] buf;
  59         buf = NULL;
  60         len += len;
  61     }
  62 }
  63
  64 inline std::string
  65 string_format(const char * fmt, ...)
  66 {
  67     va_list args;
  68     va_start(args, fmt);
  69     std::string s = string_formatv(fmt, args);
  70     va_end(args);
  71     return s;
  72 }
  73
  74 // wmsg is the unicode version of msg.
  75 wxString wmsg(int msg_no);
  76
  77 const wxString & wmsg_cfgpth();
  78
  79 class MainFrm;
  80
  81 extern bool double_buffered;
  82
  83 class wxPageSetupDialogData;
  84
  85 class Aven : public wxGLApp {
  86     MainFrm * m_Frame;
  87     // This must be a pointer, otherwise it gets initialised too early and
  88     // we get a segfault on MS Windows when it tries to look up paper
  89     // sizes in wxThePrintPaperDatabase which is still NULL at the point
  90     // when the Aven class is constructed.
  91     wxPageSetupDialogData * m_pageSetupData;
  92
  93 public:
  94     Aven();
  95     ~Aven();
  96
  97 #ifdef __WXMSW__
  98     virtual bool Initialize(int& argc, wxChar **argv);
  99 #endif
 100     virtual bool OnInit();
 101
 102     wxPageSetupDialogData * GetPageSetupDialogData();
 103     void SetPageSetupDialogData(const wxPageSetupDialogData & psdd);
 104
 105 #ifdef __WXMAC__
 106     void MacOpenFiles(const wxArrayString & filenames);
 107     void MacPrintFiles(const wxArrayString & filenames);
 108 #endif
 109
 110     void ReportError(const wxString&);
 111 };
 112
 113 DECLARE_APP(Aven)
 114
 115 #endif
 116
 117 #endif