/[svn]/gigedit/trunk/src/gigedit/global.h
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revision 2474 by schoenebeck, Sun Sep 15 18:16:21 2013 UTC revision 3155 by schoenebeck, Sun May 7 15:32:43 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    #else
48    # include <gig.h>
49    #endif
50    
51  //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?
52  #if (HAVE_GETTEXT || defined(__APPLE__))  #if (HAVE_GETTEXT || defined(__APPLE__))
# Line 40  Line 62 
62  # define VERSION VER_STRING // VER_STRING defined in libgig_private.h  # define VERSION VER_STRING // VER_STRING defined in libgig_private.h
63  #endif // WIN32  #endif // WIN32
64    
65    #define UNICODE_RIGHT_ARROW     Glib::ustring(1, gunichar(0x2192))
66    #define UNICODE_LEFT_ARROW      Glib::ustring(1, gunichar(0x2190))
67    #define UNICODE_SHIFT_KEY_SYMBOL    Glib::ustring("\xe2\x87\xa7")
68    #if defined(__APPLE__)
69    # define UNICODE_ALT_KEY_SYMBOL     Glib::ustring("\xe2\x8c\xa5")
70    #else
71    # define UNICODE_ALT_KEY_SYMBOL     Glib::ustring("Alt")
72    #endif
73    #define UNICODE_ERASE_KEY_SYMBOL    Glib::ustring("\xe2\x8c\xab")
74    #define UNICODE_CTRL_KEY_SYMBOL     Glib::ustring("Ctrl")
75    #define UNICODE_CMD_KEY_SYMBOL      Glib::ustring(1, gunichar(0x2318))
76    #if defined(__APPLE__)
77    # define UNICODE_PRIMARY_KEY_SYMBOL     UNICODE_CMD_KEY_SYMBOL
78    #else
79    # define UNICODE_PRIMARY_KEY_SYMBOL     UNICODE_CTRL_KEY_SYMBOL
80    #endif
81    
82    // taken from gdk/gdkkeysyms.h
83    // (define on demand, to avoid unnecessary dev lib package build dependency)
84    #ifndef GDK_KEY_Control_L
85    # define GDK_KEY_Control_L 0xffe3
86    #endif
87    #ifndef GDK_KEY_Control_R
88    # define GDK_KEY_Control_R 0xffe4
89    #endif
90    #ifndef GDK_KEY_Left
91    # define GDK_KEY_Left 0xff51
92    #endif
93    #ifndef GDK_KEY_Right
94    # define GDK_KEY_Right 0xff53
95    #endif
96    #ifndef GDK_KEY_Up
97    # define GDK_KEY_Up 0xff52
98    #endif
99    #ifndef GDK_KEY_Down
100    # define GDK_KEY_Down 0xff54
101    #endif
102    
103    #include <glibmm/convert.h>
104    
105    #define GIG_STR_ENCODING "CP1252"
106    
107    static inline
108    Glib::ustring gig_to_utf8(const gig::String& gig_string) {
109        return Glib::convert_with_fallback(gig_string, "UTF-8", GIG_STR_ENCODING, "?");
110    }
111    
112    static inline
113    gig::String gig_from_utf8(const Glib::ustring& utf8_string) {
114        return Glib::convert_with_fallback(utf8_string, GIG_STR_ENCODING, "UTF-8", "?");
115    }
116    
117  template<class T> inline std::string ToString(T o) {  template<class T> inline std::string ToString(T o) {
118      std::stringstream ss;      std::stringstream ss;
119      ss << o;      ss << o;
120      return ss.str();      return ss.str();
121  }  }
122    
123    inline int getDimensionIndex(gig::dimension_t type, gig::Region* rgn) {
124        for (uint i = 0; i < rgn->Dimensions; ++i)
125            if (rgn->pDimensionDefinitions[i].dimension == type)
126                return i;
127        return -1;
128    }
129    
130    inline int getDimensionRegionIndex(gig::DimensionRegion* dr) {
131        if (!dr) return -1;
132        gig::Region* rgn = (gig::Region*)dr->GetParent();
133        for (uint i = 0; i < 256; ++i)
134            if (rgn->pDimensionRegions[i] == dr)
135                return i;
136        return -1;
137    }
138    
139    /// Find the number of bits required to hold the specified amount of zones.
140    inline int zoneCountToBits(int nZones) {
141        if (!nZones) return 0;
142        int iFinalBits = 0;
143        int zoneBits = nZones - 1;
144        for (; zoneBits > 1; iFinalBits += 2, zoneBits >>= 2);
145        iFinalBits += zoneBits;
146        return iFinalBits;
147    }
148    
149    /**
150     * Returns the sum of all bits of all dimensions defined before the given
151     * dimensions (@a type). This allows to access cases of that particular
152     * dimension directly. If the supplied dimension @a type does not exist in the
153     * the supplied @a region, then this function returns -1 instead!
154     *
155     * @param type - dimension that shall be used
156     * @param rgn - parent region of that dimension
157     */
158    inline int baseBits(gig::dimension_t type, gig::Region* rgn) {
159        int previousBits = 0;
160        for (uint i = 0; i < rgn->Dimensions; ++i) {
161            if (rgn->pDimensionDefinitions[i].dimension == type) return previousBits;
162            previousBits += rgn->pDimensionDefinitions[i].bits;
163        }
164        return -1;
165    }
166    
167    // key: dimension type, value: dimension's zone index
168    class DimensionCase : public std::map<gig::dimension_t,int> {
169    public:
170        bool isViolating(const DimensionCase& c) const {
171            for (DimensionCase::const_iterator it = begin(); it != end(); ++it) {
172                if (c.find(it->first) == c.end()) continue;
173                if (c.find(it->first)->second != it->second) return true;
174            }
175            return false;
176        }
177    
178        // prevent passing gig::dimension_none from creating a new pair
179        // (TODO: other invalid gig::dimension_t values should be filtered here as well)
180        int& operator[](const gig::dimension_t& k) {
181            static int unused = 0;
182            if (k == gig::dimension_none) {
183                unused = 0;
184                return unused;
185            }
186            return std::map<gig::dimension_t,int>::operator[](k);
187        }
188    };
189    
190    //TODO: this function and caseOfDimRegion() from dimregionchooser.h are duplicates, eliminate either one of them!
191    inline DimensionCase dimensionCaseOf(gig::DimensionRegion* dr) {
192        DimensionCase dimCase;
193        int idr = getDimensionRegionIndex(dr);
194        if (idr < 0) return dimCase;
195        gig::Region* rgn = (gig::Region*)dr->GetParent();
196        int bitpos = 0;
197        for (int d = 0; d < rgn->Dimensions; ++d) {
198            const gig::dimension_def_t& dimdef = rgn->pDimensionDefinitions[d];
199            const int zone = (idr >> bitpos) & ((1 << dimdef.bits) - 1);
200            dimCase[dimdef.dimension] = zone;
201            bitpos += rgn->pDimensionDefinitions[d].bits;
202        }
203        return dimCase;
204    }
205    
206    inline std::vector<gig::DimensionRegion*> dimensionRegionsMatching(const DimensionCase& dimCase, gig::Region* rgn) {
207        std::vector<gig::DimensionRegion*> v;
208        for (int idr = 0; idr < 256; ++idr) {
209            if (!rgn->pDimensionRegions[idr]) continue;
210            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
211            if (!dimCase.isViolating(c)) v.push_back(rgn->pDimensionRegions[idr]);
212        }
213        return v;
214    }
215    
216    inline gig::DimensionRegion* dimensionRegionMatching(const DimensionCase& dimCase, gig::Region* rgn) {
217        for (int idr = 0; idr < 256; ++idr) {
218            if (!rgn->pDimensionRegions[idr]) continue;
219            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
220            if (c == dimCase) return rgn->pDimensionRegions[idr];
221        }
222        return NULL;
223    }
224    
225  #endif // GIGEDIT_GLOBAL_H  #endif // GIGEDIT_GLOBAL_H
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