src/gigedit/global.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2007-2017 Andreas Persson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with program; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef GIGEDIT_GLOBAL_H
#define GIGEDIT_GLOBAL_H

#if HAVE_CONFIG_H
# include <config.h>
#endif

#include <cstring>

#include <glibmmconfig.h>
// threads.h must be included first to be able to build with
// G_DISABLE_DEPRECATED
#if (GLIBMM_MAJOR_VERSION == 2 && GLIBMM_MINOR_VERSION == 31 && GLIBMM_MICRO_VERSION >= 2) || \
    (GLIBMM_MAJOR_VERSION == 2 && GLIBMM_MINOR_VERSION > 31) || GLIBMM_MAJOR_VERSION > 2
#include <glibmm/threads.h>
#endif

#if !defined(WIN32)
# include <unistd.h>
# include <errno.h>
#endif

#include <sstream>
#include <map>

#ifdef LIBGIG_HEADER_FILE
# include LIBGIG_HEADER_FILE(gig.h)
#else
# include <gig.h>
#endif

//FIXME: for some reason AC GETTEXT check fails on the Mac cross compiler?
#if (HAVE_GETTEXT || defined(__APPLE__))
# include <libintl.h>
# define _(String) gettext(String)
#else
# define _(String) String
#endif

#if defined(WIN32) && !HAVE_CONFIG_H
# include "../../win32/libgigedit_private.h" // like config.h, automatically generated by Dev-C++
# define PACKAGE "gigedit"
# define VERSION VER_STRING // VER_STRING defined in libgig_private.h
#endif // WIN32

#define UNICODE_RIGHT_ARROW     Glib::ustring(1, gunichar(0x2192))
#define UNICODE_LEFT_ARROW      Glib::ustring(1, gunichar(0x2190))

// taken from gdk/gdkkeysyms.h
// (define on demand, to avoid unnecessary dev lib package build dependency)
#ifndef GDK_KEY_Control_L
# define GDK_KEY_Control_L 0xffe3
#endif
#ifndef GDK_KEY_Control_R
# define GDK_KEY_Control_R 0xffe4
#endif
#ifndef GDK_KEY_Left
# define GDK_KEY_Left 0xff51
#endif
#ifndef GDK_KEY_Right
# define GDK_KEY_Right 0xff53
#endif
#ifndef GDK_KEY_Up
# define GDK_KEY_Up 0xff52
#endif
#ifndef GDK_KEY_Down
# define GDK_KEY_Down 0xff54
#endif

#include <glibmm/convert.h>

#define GIG_STR_ENCODING "CP1252"

static inline
Glib::ustring gig_to_utf8(const gig::String& gig_string) {
    return Glib::convert_with_fallback(gig_string, "UTF-8", GIG_STR_ENCODING, "?");
}

static inline
gig::String gig_from_utf8(const Glib::ustring& utf8_string) {
    return Glib::convert_with_fallback(utf8_string, GIG_STR_ENCODING, "UTF-8", "?");
}

template<class T> inline std::string ToString(T o) {
    std::stringstream ss;
    ss << o;
    return ss.str();
}

inline int getDimensionIndex(gig::dimension_t type, gig::Region* rgn) {
    for (uint i = 0; i < rgn->Dimensions; ++i)
        if (rgn->pDimensionDefinitions[i].dimension == type)
            return i;
    return -1;
}

inline int getDimensionRegionIndex(gig::DimensionRegion* dr) {
    if (!dr) return -1;
    gig::Region* rgn = (gig::Region*)dr->GetParent();
    for (uint i = 0; i < 256; ++i)
        if (rgn->pDimensionRegions[i] == dr)
            return i;
    return -1;
}

/// Find the number of bits required to hold the specified amount of zones.
inline int zoneCountToBits(int nZones) {
    if (!nZones) return 0;
    int iFinalBits = 0;
    int zoneBits = nZones - 1;
    for (; zoneBits > 1; iFinalBits += 2, zoneBits >>= 2);
    iFinalBits += zoneBits;
    return iFinalBits;
}

/**
 * Returns the sum of all bits of all dimensions defined before the given
 * dimensions (@a type). This allows to access cases of that particular
 * dimension directly. If the supplied dimension @a type does not exist in the
 * the supplied @a region, then this function returns -1 instead!
 *
 * @param type - dimension that shall be used
 * @param rgn - parent region of that dimension
 */
inline int baseBits(gig::dimension_t type, gig::Region* rgn) {
    int previousBits = 0;
    for (uint i = 0; i < rgn->Dimensions; ++i) {
        if (rgn->pDimensionDefinitions[i].dimension == type) return previousBits;
        previousBits += rgn->pDimensionDefinitions[i].bits;
    }
    return -1;
}

// key: dimension type, value: dimension's zone index
class DimensionCase : public std::map<gig::dimension_t,int> {
public:
    bool isViolating(const DimensionCase& c) const {
        for (DimensionCase::const_iterator it = begin(); it != end(); ++it) {
            if (c.find(it->first) == c.end()) continue;
            if (c.find(it->first)->second != it->second) return true;
        }
        return false;
    }

    // prevent passing gig::dimension_none from creating a new pair
    // (TODO: other invalid gig::dimension_t values should be filtered here as well)
    int& operator[](const gig::dimension_t& k) {
        static int unused = 0;
        if (k == gig::dimension_none) {
            unused = 0;
            return unused;
        }
        return std::map<gig::dimension_t,int>::operator[](k);
    }
};

//TODO: this function and caseOfDimRegion() from dimregionchooser.h are duplicates, eliminate either one of them!
inline DimensionCase dimensionCaseOf(gig::DimensionRegion* dr) {
    DimensionCase dimCase;
    int idr = getDimensionRegionIndex(dr);
    if (idr < 0) return dimCase;
    gig::Region* rgn = (gig::Region*)dr->GetParent();
    int bitpos = 0;
    for (int d = 0; d < rgn->Dimensions; ++d) {
        const gig::dimension_def_t& dimdef = rgn->pDimensionDefinitions[d];
        const int zone = (idr >> bitpos) & ((1 << dimdef.bits) - 1);
        dimCase[dimdef.dimension] = zone;
        bitpos += rgn->pDimensionDefinitions[d].bits;
    }
    return dimCase;
}

inline std::vector<gig::DimensionRegion*> dimensionRegionsMatching(const DimensionCase& dimCase, gig::Region* rgn) {
    std::vector<gig::DimensionRegion*> v;
    for (int idr = 0; idr < 256; ++idr) {
        if (!rgn->pDimensionRegions[idr]) continue;
        DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
        if (!dimCase.isViolating(c)) v.push_back(rgn->pDimensionRegions[idr]);
    }
    return v;
}

inline gig::DimensionRegion* dimensionRegionMatching(const DimensionCase& dimCase, gig::Region* rgn) {
    for (int idr = 0; idr < 256; ++idr) {
        if (!rgn->pDimensionRegions[idr]) continue;
        DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
        if (c == dimCase) return rgn->pDimensionRegions[idr];
    }
    return NULL;
}

#endif // GIGEDIT_GLOBAL_H
1	/* -- c++ --
2	* Copyright (C) 2007-2017 Andreas Persson
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License as
6	* published by the Free Software Foundation; either version 2, or (at
7	* your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful, but
10	* WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12	* General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with program; see the file COPYING. If not, write to the Free
16	* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
17	* 02110-1301 USA.
18	*/
19
20	#ifndef GIGEDIT_GLOBAL_H
21	#define GIGEDIT_GLOBAL_H
22
23	#if HAVE_CONFIG_H
24	# include <config.h>
25	#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>
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?
52	#if (HAVE_GETTEXT \|\| defined(__APPLE__))
53	# include <libintl.h>
54	# define _(String) gettext(String)
55	#else
56	# define _(String) String
57	#endif
58
59	#if defined(WIN32) && !HAVE_CONFIG_H
60	# include "../../win32/libgigedit_private.h" // like config.h, automatically generated by Dev-C++
61	# define PACKAGE "gigedit"
62	# define VERSION VER_STRING // VER_STRING defined in libgig_private.h
63	#endif // WIN32
64
65	#define UNICODE_RIGHT_ARROW Glib::ustring(1, gunichar(0x2192))
66	#define UNICODE_LEFT_ARROW Glib::ustring(1, gunichar(0x2190))
67
68	// taken from gdk/gdkkeysyms.h
69	// (define on demand, to avoid unnecessary dev lib package build dependency)
70	#ifndef GDK_KEY_Control_L
71	# define GDK_KEY_Control_L 0xffe3
72	#endif
73	#ifndef GDK_KEY_Control_R
74	# define GDK_KEY_Control_R 0xffe4
75	#endif
76	#ifndef GDK_KEY_Left
77	# define GDK_KEY_Left 0xff51
78	#endif
79	#ifndef GDK_KEY_Right
80	# define GDK_KEY_Right 0xff53
81	#endif
82	#ifndef GDK_KEY_Up
83	# define GDK_KEY_Up 0xff52
84	#endif
85	#ifndef GDK_KEY_Down
86	# define GDK_KEY_Down 0xff54
87	#endif
88
89	#include <glibmm/convert.h>
90
91	#define GIG_STR_ENCODING "CP1252"
92
93	static inline
94	Glib::ustring gig_to_utf8(const gig::String& gig_string) {
95	return Glib::convert_with_fallback(gig_string, "UTF-8", GIG_STR_ENCODING, "?");
96	}
97
98	static inline
99	gig::String gig_from_utf8(const Glib::ustring& utf8_string) {
100	return Glib::convert_with_fallback(utf8_string, GIG_STR_ENCODING, "UTF-8", "?");
101	}
102
103	template<class T> inline std::string ToString(T o) {
104	std::stringstream ss;
105	ss << o;
106	return ss.str();
107	}
108
109	inline int getDimensionIndex(gig::dimension_t type, gig::Region* rgn) {
110	for (uint i = 0; i < rgn->Dimensions; ++i)
111	if (rgn->pDimensionDefinitions[i].dimension == type)
112	return i;
113	return -1;
114	}
115
116	inline int getDimensionRegionIndex(gig::DimensionRegion* dr) {
117	if (!dr) return -1;
118	gig::Region* rgn = (gig::Region*)dr->GetParent();
119	for (uint i = 0; i < 256; ++i)
120	if (rgn->pDimensionRegions[i] == dr)
121	return i;
122	return -1;
123	}
124
125	/// Find the number of bits required to hold the specified amount of zones.
126	inline int zoneCountToBits(int nZones) {
127	if (!nZones) return 0;
128	int iFinalBits = 0;
129	int zoneBits = nZones - 1;
130	for (; zoneBits > 1; iFinalBits += 2, zoneBits >>= 2);
131	iFinalBits += zoneBits;
132	return iFinalBits;
133	}
134
135	/**
136	* Returns the sum of all bits of all dimensions defined before the given
137	* dimensions (@a type). This allows to access cases of that particular
138	* dimension directly. If the supplied dimension @a type does not exist in the
139	* the supplied @a region, then this function returns -1 instead!
140	*
141	* @param type - dimension that shall be used
142	* @param rgn - parent region of that dimension
143	*/
144	inline int baseBits(gig::dimension_t type, gig::Region* rgn) {
145	int previousBits = 0;
146	for (uint i = 0; i < rgn->Dimensions; ++i) {
147	if (rgn->pDimensionDefinitions[i].dimension == type) return previousBits;
148	previousBits += rgn->pDimensionDefinitions[i].bits;
149	}
150	return -1;
151	}
152
153	// key: dimension type, value: dimension's zone index
154	class DimensionCase : public std::map<gig::dimension_t,int> {
155	public:
156	bool isViolating(const DimensionCase& c) const {
157	for (DimensionCase::const_iterator it = begin(); it != end(); ++it) {
158	if (c.find(it->first) == c.end()) continue;
159	if (c.find(it->first)->second != it->second) return true;
160	}
161	return false;
162	}
163
164	// prevent passing gig::dimension_none from creating a new pair
165	// (TODO: other invalid gig::dimension_t values should be filtered here as well)
166	int& operator[](const gig::dimension_t& k) {
167	static int unused = 0;
168	if (k == gig::dimension_none) {
169	unused = 0;
170	return unused;
171	}
172	return std::map<gig::dimension_t,int>::operator[](k);
173	}
174	};
175
176	//TODO: this function and caseOfDimRegion() from dimregionchooser.h are duplicates, eliminate either one of them!
177	inline DimensionCase dimensionCaseOf(gig::DimensionRegion* dr) {
178	DimensionCase dimCase;
179	int idr = getDimensionRegionIndex(dr);
180	if (idr < 0) return dimCase;
181	gig::Region* rgn = (gig::Region*)dr->GetParent();
182	int bitpos = 0;
183	for (int d = 0; d < rgn->Dimensions; ++d) {
184	const gig::dimension_def_t& dimdef = rgn->pDimensionDefinitions[d];
185	const int zone = (idr >> bitpos) & ((1 << dimdef.bits) - 1);
186	dimCase[dimdef.dimension] = zone;
187	bitpos += rgn->pDimensionDefinitions[d].bits;
188	}
189	return dimCase;
190	}
191
192	inline std::vector<gig::DimensionRegion> dimensionRegionsMatching(const DimensionCase& dimCase, gig::Region rgn) {
193	std::vector<gig::DimensionRegion*> v;
194	for (int idr = 0; idr < 256; ++idr) {
195	if (!rgn->pDimensionRegions[idr]) continue;
196	DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
197	if (!dimCase.isViolating(c)) v.push_back(rgn->pDimensionRegions[idr]);
198	}
199	return v;
200	}
201
202	inline gig::DimensionRegion* dimensionRegionMatching(const DimensionCase& dimCase, gig::Region* rgn) {
203	for (int idr = 0; idr < 256; ++idr) {
204	if (!rgn->pDimensionRegions[idr]) continue;
205	DimensionCase c = dimensionCaseOf(rgn->pDimensionRegions[idr]);
206	if (c == dimCase) return rgn->pDimensionRegions[idr];
207	}
208	return NULL;
209	}
210
211	#endif // GIGEDIT_GLOBAL_H