/[svn]/gigedit/trunk/src/gigedit/global.h
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revision 2442 by persson, Sun Apr 14 07:29:59 2013 UTC revision 3340 by schoenebeck, Mon Jul 31 11:20:18 2017 UTC
# Line 1  Line 1 
1  /*                                                         -*- c++ -*-  /*                                                         -*- c++ -*-
2   * Copyright (C) 2007 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  #if HAVE_GETTEXT  //FIXME: for some reason AC GETTEXT check fails on the Mac cross compiler?
54    #if (HAVE_GETTEXT || defined(__APPLE__))
55  # include <libintl.h>  # include <libintl.h>
56  # define _(String) gettext(String)  # define _(String) gettext(String)
57  #else  #else
# Line 39  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    inline Glib::ustring ltrim(Glib::ustring s) {
120        s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
121        return s;
122    }
123    
124    inline Glib::ustring rtrim(Glib::ustring s) {
125        s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
126        return s;
127    }
128    
129    inline Glib::ustring trim(Glib::ustring s) {
130        return ltrim(rtrim(s));
131    }
132    
133  template<class T> inline std::string ToString(T o) {  template<class T> inline std::string ToString(T o) {
134      std::stringstream ss;      std::stringstream ss;
135      ss << o;      ss << o;
136      return ss.str();      return ss.str();
137  }  }
138    
139    inline static bool endsWith(const std::string& haystack, const std::string& needle, bool caseSensitive) {
140        if (haystack.size() < needle.size()) return false;
141        const std::string sub = haystack.substr(haystack.size() - needle.size(), needle.size());
142        return (caseSensitive) ? (sub == needle) : (!strcasecmp(sub.c_str(), needle.c_str()));
143    }
144    
145    inline int getDimensionIndex(gig::dimension_t type, gig::Region* rgn) {
146        for (uint i = 0; i < rgn->Dimensions; ++i)
147            if (rgn->pDimensionDefinitions[i].dimension == type)
148                return i;
149        return -1;
150    }
151    
152    inline int getDimensionRegionIndex(gig::DimensionRegion* dr) {
153        if (!dr) return -1;
154        gig::Region* rgn = (gig::Region*)dr->GetParent();
155        for (uint i = 0; i < 256; ++i)
156            if (rgn->pDimensionRegions[i] == dr)
157                return i;
158        return -1;
159    }
160    
161    /// Find the number of bits required to hold the specified amount of zones.
162    inline int zoneCountToBits(int nZones) {
163        if (!nZones) return 0;
164        int iFinalBits = 0;
165        int zoneBits = nZones - 1;
166        for (; zoneBits > 1; iFinalBits += 2, zoneBits >>= 2);
167        iFinalBits += zoneBits;
168        return iFinalBits;
169    }
170    
171    /**
172     * Returns the sum of all bits of all dimensions defined before the given
173     * dimensions (@a type). This allows to access cases of that particular
174     * dimension directly. If the supplied dimension @a type does not exist in the
175     * the supplied @a region, then this function returns -1 instead!
176     *
177     * @param type - dimension that shall be used
178     * @param rgn - parent region of that dimension
179     */
180    inline int baseBits(gig::dimension_t type, gig::Region* rgn) {
181        int previousBits = 0;
182        for (uint i = 0; i < rgn->Dimensions; ++i) {
183            if (rgn->pDimensionDefinitions[i].dimension == type) return previousBits;
184            previousBits += rgn->pDimensionDefinitions[i].bits;
185        }
186        return -1;
187    }
188    
189    // key: dimension type, value: dimension's zone index
190    class DimensionCase : public std::map<gig::dimension_t,int> {
191    public:
192        bool isViolating(const DimensionCase& c) const {
193            for (DimensionCase::const_iterator it = begin(); it != end(); ++it) {
194                if (c.find(it->first) == c.end()) continue;
195                if (c.find(it->first)->second != it->second) return true;
196            }
197            return false;
198        }
199    
200        // prevent passing gig::dimension_none from creating a new pair
201        // (TODO: other invalid gig::dimension_t values should be filtered here as well)
202        int& operator[](const gig::dimension_t& k) {
203            static int unused = 0;
204            if (k == gig::dimension_none) {
205                unused = 0;
206                return unused;
207            }
208            return std::map<gig::dimension_t,int>::operator[](k);
209        }
210    };
211    
212    //TODO: this function and caseOfDimRegion() from dimregionchooser.h are duplicates, eliminate either one of them!
213    inline DimensionCase dimensionCaseOf(gig::DimensionRegion* dr) {
214        DimensionCase dimCase;
215        int idr = getDimensionRegionIndex(dr);
216        if (idr < 0) return dimCase;
217        gig::Region* rgn = (gig::Region*)dr->GetParent();
218        int bitpos = 0;
219        for (int d = 0; d < rgn->Dimensions; ++d) {
220            const gig::dimension_def_t& dimdef = rgn->pDimensionDefinitions[d];
221            const int zone = (idr >> bitpos) & ((1 << dimdef.bits) - 1);
222            dimCase[dimdef.dimension] = zone;
223            bitpos += rgn->pDimensionDefinitions[d].bits;
224        }
225        return dimCase;
226    }
227    
228    /**
229     * Checks whether the passed dimension zones are within the boundaries of the
230     * defined dimensions. This is especially relevant if there are dimensions
231     * defined with an amount not equal to a power of two, in that case there are
232     * unused dimensions regions which should be ignored.
233     */
234    inline bool isUsedCase(const DimensionCase& c, gig::Region* rgn) {
235        for (int d = 0; d < rgn->Dimensions; ++d) {
236            gig::dimension_t type = rgn->pDimensionDefinitions[d].dimension;
237            if (c.find(type) == c.end()) continue;
238            int zone = c.find(type)->second;
239            if (zone < 0 || zone >= rgn->pDimensionDefinitions[d].zones)
240                return false;
241        }
242        return true;
243    }
244    
245    inline std::vector<gig::DimensionRegion*> dimensionRegionsMatching(
246        const DimensionCase& dimCase, gig::Region* rgn, bool skipUnusedZones = false)
247    {
248        std::vector<gig::DimensionRegion*> v;
249        for (int idr = 0; idr < 256; ++idr) {
250            if (!rgn->pDimensionRegions[idr]) continue;
251            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
252            if (dimCase.isViolating(c)) continue;
253            if (skipUnusedZones && !isUsedCase(c, rgn)) continue;
254            v.push_back(rgn->pDimensionRegions[idr]);
255        }
256        return v;
257    }
258    
259    inline gig::DimensionRegion* dimensionRegionMatching(const DimensionCase& dimCase, gig::Region* rgn) {
260        for (int idr = 0; idr < 256; ++idr) {
261            if (!rgn->pDimensionRegions[idr]) continue;
262            DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
263            if (c == dimCase) return rgn->pDimensionRegions[idr];
264        }
265        return NULL;
266    }
267    
268    template<typename T_Message>
269    class SignalGuard {
270    public:
271        SignalGuard(sigc::signal<void, T_Message>& start, sigc::signal<void, T_Message>& end, T_Message message)
272            : m_end(end), m_message(message)
273        {
274            if (message) start.emit(message);
275        }
276    
277        virtual ~SignalGuard() {
278            if (m_message) m_end.emit(m_message);
279        }
280    protected:
281        sigc::signal<void, T_Message>& m_end;
282        T_Message m_message;
283    };
284    
285  #endif // GIGEDIT_GLOBAL_H  #endif // GIGEDIT_GLOBAL_H
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