/[svn]/gigedit/trunk/src/gigedit/global.h
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revision 2474 by schoenebeck, Sun Sep 15 18:16:21 2013 UTC revision 3157 by schoenebeck, Mon May 8 17:30:10 2017 UTC
# Line 1  Line 1 
1  /*                                                         -*- c++ -*-  /*                                                         -*- c++ -*-
2   * Copyright (C) 2007-2013 Andreas Persson   * Copyright (C) 2007-2017 Andreas Persson
3   *   *
4   * This program is free software; you can redistribute it and/or   * This program is free software; you can redistribute it and/or
5   * modify it under the terms of the GNU General Public License as   * modify it under the terms of the GNU General Public License as
# Line 24  Line 24 
24  # include <config.h>  # include <config.h>
25  #endif  #endif
26    
27    #include <cstring>
28    
29    #include <glibmmconfig.h>
30    // threads.h must be included first to be able to build with
31    // G_DISABLE_DEPRECATED
32    #if (GLIBMM_MAJOR_VERSION == 2 && GLIBMM_MINOR_VERSION == 31 && GLIBMM_MICRO_VERSION >= 2) || \
33        (GLIBMM_MAJOR_VERSION == 2 && GLIBMM_MINOR_VERSION > 31) || GLIBMM_MAJOR_VERSION > 2
34    #include <glibmm/threads.h>
35    #endif
36    
37    #if !defined(WIN32)
38    # include <unistd.h>
39    # include <errno.h>
40    #endif
41    
42  #include <sstream>  #include <sstream>
43    #include <map>
44    
45    #ifdef LIBGIG_HEADER_FILE
46    # include LIBGIG_HEADER_FILE(gig.h)
47    # include LIBGIG_HEADER_FILE(Serialization.h)
48    #else
49    # include <gig.h>
50    # include <Serialization.h>
51    #endif
52    
53  //FIXME: for some reason AC GETTEXT check fails on the Mac cross compiler?  //FIXME: for some reason AC GETTEXT check fails on the Mac cross compiler?
54  #if (HAVE_GETTEXT || defined(__APPLE__))  #if (HAVE_GETTEXT || defined(__APPLE__))
# Line 40  Line 64 
64  # define VERSION VER_STRING // VER_STRING defined in libgig_private.h  # define VERSION VER_STRING // VER_STRING defined in libgig_private.h
65  #endif // WIN32  #endif // WIN32
66    
67    #define UNICODE_RIGHT_ARROW     Glib::ustring(1, gunichar(0x2192))
68    #define UNICODE_LEFT_ARROW      Glib::ustring(1, gunichar(0x2190))
69    #define UNICODE_SHIFT_KEY_SYMBOL    Glib::ustring("\xe2\x87\xa7")
70    #if defined(__APPLE__)
71    # define UNICODE_ALT_KEY_SYMBOL     Glib::ustring("\xe2\x8c\xa5")
72    #else
73    # define UNICODE_ALT_KEY_SYMBOL     Glib::ustring("Alt")
74    #endif
75    #define UNICODE_ERASE_KEY_SYMBOL    Glib::ustring("\xe2\x8c\xab")
76    #define UNICODE_CTRL_KEY_SYMBOL     Glib::ustring("Ctrl")
77    #define UNICODE_CMD_KEY_SYMBOL      Glib::ustring(1, gunichar(0x2318))
78    #if defined(__APPLE__)
79    # define UNICODE_PRIMARY_KEY_SYMBOL     UNICODE_CMD_KEY_SYMBOL
80    #else
81    # define UNICODE_PRIMARY_KEY_SYMBOL     UNICODE_CTRL_KEY_SYMBOL
82    #endif
83    
84    // taken from gdk/gdkkeysyms.h
85    // (define on demand, to avoid unnecessary dev lib package build dependency)
86    #ifndef GDK_KEY_Control_L
87    # define GDK_KEY_Control_L 0xffe3
88    #endif
89    #ifndef GDK_KEY_Control_R
90    # define GDK_KEY_Control_R 0xffe4
91    #endif
92    #ifndef GDK_KEY_Left
93    # define GDK_KEY_Left 0xff51
94    #endif
95    #ifndef GDK_KEY_Right
96    # define GDK_KEY_Right 0xff53
97    #endif
98    #ifndef GDK_KEY_Up
99    # define GDK_KEY_Up 0xff52
100    #endif
101    #ifndef GDK_KEY_Down
102    # define GDK_KEY_Down 0xff54
103    #endif
104    
105    #include <glibmm/convert.h>
106    
107    #define GIG_STR_ENCODING "CP1252"
108    
109    static inline
110    Glib::ustring gig_to_utf8(const gig::String& gig_string) {
111        return Glib::convert_with_fallback(gig_string, "UTF-8", GIG_STR_ENCODING, "?");
112    }
113    
114    static inline
115    gig::String gig_from_utf8(const Glib::ustring& utf8_string) {
116        return Glib::convert_with_fallback(utf8_string, GIG_STR_ENCODING, "UTF-8", "?");
117    }
118    
119  template<class T> inline std::string ToString(T o) {  template<class T> inline std::string ToString(T o) {
120      std::stringstream ss;      std::stringstream ss;
121      ss << o;      ss << o;
122      return ss.str();      return ss.str();
123  }  }
124    
125    inline int getDimensionIndex(gig::dimension_t type, gig::Region* rgn) {
126        for (uint i = 0; i < rgn->Dimensions; ++i)
127            if (rgn->pDimensionDefinitions[i].dimension == type)
128                return i;
129        return -1;
130    }
131    
132    inline int getDimensionRegionIndex(gig::DimensionRegion* dr) {
133        if (!dr) return -1;
134        gig::Region* rgn = (gig::Region*)dr->GetParent();
135        for (uint i = 0; i < 256; ++i)
136            if (rgn->pDimensionRegions[i] == dr)
137                return i;
138        return -1;
139    }
140    
141    /// Find the number of bits required to hold the specified amount of zones.
142    inline int zoneCountToBits(int nZones) {
143        if (!nZones) return 0;
144        int iFinalBits = 0;
145        int zoneBits = nZones - 1;
146        for (; zoneBits > 1; iFinalBits += 2, zoneBits >>= 2);
147        iFinalBits += zoneBits;
148        return iFinalBits;
149    }
150    
151    /**
152     * Returns the sum of all bits of all dimensions defined before the given
153     * dimensions (@a type). This allows to access cases of that particular
154     * dimension directly. If the supplied dimension @a type does not exist in the
155     * the supplied @a region, then this function returns -1 instead!
156     *
157     * @param type - dimension that shall be used
158     * @param rgn - parent region of that dimension
159     */
160    inline int baseBits(gig::dimension_t type, gig::Region* rgn) {
161        int previousBits = 0;
162        for (uint i = 0; i < rgn->Dimensions; ++i) {
163            if (rgn->pDimensionDefinitions[i].dimension == type) return previousBits;
164            previousBits += rgn->pDimensionDefinitions[i].bits;
165        }
166        return -1;
167    }
168    
169    // key: dimension type, value: dimension's zone index
170    class DimensionCase : public std::map<gig::dimension_t,int> {
171    public:
172        bool isViolating(const DimensionCase& c) const {
173            for (DimensionCase::const_iterator it = begin(); it != end(); ++it) {
174                if (c.find(it->first) == c.end()) continue;
175                if (c.find(it->first)->second != it->second) return true;
176            }
177            return false;
178        }
179    
180        // prevent passing gig::dimension_none from creating a new pair
181        // (TODO: other invalid gig::dimension_t values should be filtered here as well)
182        int& operator[](const gig::dimension_t& k) {
183            static int unused = 0;
184            if (k == gig::dimension_none) {
185                unused = 0;
186                return unused;
187            }
188            return std::map<gig::dimension_t,int>::operator[](k);
189        }
190    };
191    
192    //TODO: this function and caseOfDimRegion() from dimregionchooser.h are duplicates, eliminate either one of them!
193    inline DimensionCase dimensionCaseOf(gig::DimensionRegion* dr) {
194        DimensionCase dimCase;
195        int idr = getDimensionRegionIndex(dr);
196        if (idr < 0) return dimCase;
197        gig::Region* rgn = (gig::Region*)dr->GetParent();
198        int bitpos = 0;
199        for (int d = 0; d < rgn->Dimensions; ++d) {
200            const gig::dimension_def_t& dimdef = rgn->pDimensionDefinitions[d];
201            const int zone = (idr >> bitpos) & ((1 << dimdef.bits) - 1);
202            dimCase[dimdef.dimension] = zone;
203            bitpos += rgn->pDimensionDefinitions[d].bits;
204        }
205        return dimCase;
206    }
207    
208    inline std::vector<gig::DimensionRegion*> dimensionRegionsMatching(const DimensionCase& dimCase, gig::Region* rgn) {
209        std::vector<gig::DimensionRegion*> v;
210        for (int idr = 0; idr < 256; ++idr) {
211            if (!rgn->pDimensionRegions[idr]) continue;
212            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
213            if (!dimCase.isViolating(c)) v.push_back(rgn->pDimensionRegions[idr]);
214        }
215        return v;
216    }
217    
218    inline gig::DimensionRegion* dimensionRegionMatching(const DimensionCase& dimCase, gig::Region* rgn) {
219        for (int idr = 0; idr < 256; ++idr) {
220            if (!rgn->pDimensionRegions[idr]) continue;
221            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
222            if (c == dimCase) return rgn->pDimensionRegions[idr];
223        }
224        return NULL;
225    }
226    
227  #endif // GIGEDIT_GLOBAL_H  #endif // GIGEDIT_GLOBAL_H
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