scintilla/KeyMap.cxx

   1 // Scintilla source code edit control
   2 /** @file KeyMap.cxx
   3  ** Defines a mapping between keystrokes and commands.
   4  **/
   5 // Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
   6 // The License.txt file describes the conditions under which this software may be distributed.
   7
   8 #include "Platform.h"
   9
  10 #include "Scintilla.h"
  11
  12 #include "KeyMap.h"
  13
  14 KeyMap::KeyMap() : kmap(0), len(0), alloc(0) {
  15         for (int i = 0; MapDefault[i].key; i++) {
  16                 AssignCmdKey(MapDefault[i].key,
  17                         MapDefault[i].modifiers,
  18                         MapDefault[i].msg);
  19         }
  20 }
  21
  22 KeyMap::~KeyMap() {
  23         Clear();
  24 }
  25
  26 void KeyMap::Clear() {
  27         delete []kmap;
  28         kmap = 0;
  29         len = 0;
  30         alloc = 0;
  31 }
  32
  33 void KeyMap::AssignCmdKey(int key, int modifiers, unsigned int msg) {
  34         if ((len+1) >= alloc) {
  35                 KeyToCommand *ktcNew = new KeyToCommand[alloc + 5];
  36                 if (!ktcNew)
  37                         return;
  38                 for (int k = 0; k < len; k++)
  39                         ktcNew[k] = kmap[k];
  40                 alloc += 5;
  41                 delete []kmap;
  42                 kmap = ktcNew;
  43         }
  44         for (int keyIndex = 0; keyIndex < len; keyIndex++) {
  45                 if ((key == kmap[keyIndex].key) && (modifiers == kmap[keyIndex].modifiers)) {
  46                         kmap[keyIndex].msg = msg;
  47                         return;
  48                 }
  49         }
  50         kmap[len].key = key;
  51         kmap[len].modifiers = modifiers;
  52         kmap[len].msg = msg;
  53         len++;
  54 }
  55
  56 unsigned int KeyMap::Find(int key, int modifiers) {
  57         for (int i = 0; i < len; i++) {
  58                 if ((key == kmap[i].key) && (modifiers == kmap[i].modifiers)) {
  59                         return kmap[i].msg;
  60                 }
  61         }
  62         return 0;
  63 }
  64
  65 const KeyToCommand KeyMap::MapDefault[] = {
  66     {SCK_DOWN,          SCI_NORM,       SCI_LINEDOWN},
  67     {SCK_DOWN,          SCI_SHIFT,      SCI_LINEDOWNEXTEND},
  68     {SCK_DOWN,          SCI_CTRL,       SCI_LINESCROLLDOWN},
  69     {SCK_DOWN,          SCI_ASHIFT,     SCI_LINEDOWNRECTEXTEND},
  70     {SCK_UP,            SCI_NORM,       SCI_LINEUP},
  71     {SCK_UP,                    SCI_SHIFT,      SCI_LINEUPEXTEND},
  72     {SCK_UP,                    SCI_CTRL,       SCI_LINESCROLLUP},
  73     {SCK_UP,            SCI_ASHIFT,     SCI_LINEUPRECTEXTEND},
  74     {'[',                       SCI_CTRL,               SCI_PARAUP},
  75     {'[',                       SCI_CSHIFT,     SCI_PARAUPEXTEND},
  76     {']',                       SCI_CTRL,               SCI_PARADOWN},
  77     {']',                       SCI_CSHIFT,     SCI_PARADOWNEXTEND},
  78     {SCK_LEFT,          SCI_NORM,       SCI_CHARLEFT},
  79     {SCK_LEFT,          SCI_SHIFT,      SCI_CHARLEFTEXTEND},
  80     {SCK_LEFT,          SCI_CTRL,       SCI_WORDLEFT},
  81     {SCK_LEFT,          SCI_CSHIFT,     SCI_WORDLEFTEXTEND},
  82     {SCK_LEFT,          SCI_ASHIFT,     SCI_CHARLEFTRECTEXTEND},
  83     {SCK_RIGHT,         SCI_NORM,       SCI_CHARRIGHT},
  84     {SCK_RIGHT,         SCI_SHIFT,      SCI_CHARRIGHTEXTEND},
  85     {SCK_RIGHT,         SCI_CTRL,       SCI_WORDRIGHT},
  86     {SCK_RIGHT,         SCI_CSHIFT,     SCI_WORDRIGHTEXTEND},
  87     {SCK_RIGHT,         SCI_ASHIFT,     SCI_CHARRIGHTRECTEXTEND},
  88     {'/',               SCI_CTRL,               SCI_WORDPARTLEFT},
  89     {'/',               SCI_CSHIFT,     SCI_WORDPARTLEFTEXTEND},
  90     {'\\',              SCI_CTRL,               SCI_WORDPARTRIGHT},
  91     {'\\',              SCI_CSHIFT,     SCI_WORDPARTRIGHTEXTEND},
  92     {SCK_HOME,          SCI_NORM,       SCI_VCHOME},
  93     {SCK_HOME,          SCI_SHIFT,      SCI_VCHOMEEXTEND},
  94     {SCK_HOME,          SCI_CTRL,       SCI_DOCUMENTSTART},
  95     {SCK_HOME,          SCI_CSHIFT,     SCI_DOCUMENTSTARTEXTEND},
  96     {SCK_HOME,          SCI_ALT,        SCI_HOMEDISPLAY},
  97 //    {SCK_HOME,                SCI_ASHIFT,     SCI_HOMEDISPLAYEXTEND},
  98     {SCK_HOME,          SCI_ASHIFT,     SCI_VCHOMERECTEXTEND},
  99     {SCK_END,           SCI_NORM,       SCI_LINEEND},
 100     {SCK_END,           SCI_SHIFT,      SCI_LINEENDEXTEND},
 101     {SCK_END,           SCI_CTRL,       SCI_DOCUMENTEND},
 102     {SCK_END,           SCI_CSHIFT,     SCI_DOCUMENTENDEXTEND},
 103     {SCK_END,           SCI_ALT,        SCI_LINEENDDISPLAY},
 104 //    {SCK_END,         SCI_ASHIFT,     SCI_LINEENDDISPLAYEXTEND},
 105     {SCK_END,           SCI_ASHIFT,     SCI_LINEENDRECTEXTEND},
 106     {SCK_PRIOR,         SCI_NORM,       SCI_PAGEUP},
 107     {SCK_PRIOR,         SCI_SHIFT,      SCI_PAGEUPEXTEND},
 108     {SCK_PRIOR,         SCI_ASHIFT,     SCI_PAGEUPRECTEXTEND},
 109     {SCK_NEXT,          SCI_NORM,       SCI_PAGEDOWN},
 110     {SCK_NEXT,          SCI_SHIFT,      SCI_PAGEDOWNEXTEND},
 111     {SCK_NEXT,          SCI_ASHIFT,     SCI_PAGEDOWNRECTEXTEND},
 112     {SCK_DELETE,        SCI_NORM,       SCI_CLEAR},
 113     {SCK_DELETE,        SCI_SHIFT,      SCI_CUT},
 114     {SCK_DELETE,        SCI_CTRL,       SCI_DELWORDRIGHT},
 115     {SCK_DELETE,        SCI_CSHIFT,     SCI_DELLINERIGHT},
 116     {SCK_INSERT,                SCI_NORM,       SCI_EDITTOGGLEOVERTYPE},
 117     {SCK_INSERT,                SCI_SHIFT,      SCI_PASTE},
 118     {SCK_INSERT,                SCI_CTRL,       SCI_COPY},
 119     {SCK_ESCAPE,        SCI_NORM,       SCI_CANCEL},
 120     {SCK_BACK,          SCI_NORM,       SCI_DELETEBACK},
 121     {SCK_BACK,          SCI_SHIFT,      SCI_DELETEBACK},
 122     {SCK_BACK,          SCI_CTRL,       SCI_DELWORDLEFT},
 123     {SCK_BACK,          SCI_ALT,        SCI_UNDO},
 124     {SCK_BACK,          SCI_CSHIFT,     SCI_DELLINELEFT},
 125     {'Z',                       SCI_CTRL,       SCI_UNDO},
 126     {'Y',                       SCI_CTRL,       SCI_REDO},
 127     {'X',                       SCI_CTRL,       SCI_CUT},
 128     {'C',                       SCI_CTRL,       SCI_COPY},
 129     {'V',                       SCI_CTRL,       SCI_PASTE},
 130     {'A',                       SCI_CTRL,       SCI_SELECTALL},
 131     {SCK_TAB,           SCI_NORM,       SCI_TAB},
 132     {SCK_TAB,           SCI_SHIFT,      SCI_BACKTAB},
 133     {SCK_RETURN,        SCI_NORM,       SCI_NEWLINE},
 134     {SCK_RETURN,        SCI_SHIFT,      SCI_NEWLINE},
 135     {SCK_ADD,           SCI_CTRL,       SCI_ZOOMIN},
 136     {SCK_SUBTRACT,      SCI_CTRL,       SCI_ZOOMOUT},
 137     {SCK_DIVIDE,        SCI_CTRL,       SCI_SETZOOM},
 138     //'L',                      SCI_CTRL,               SCI_FORMFEED,
 139     {'L',                       SCI_CTRL,       SCI_LINECUT},
 140     {'L',                       SCI_CSHIFT,     SCI_LINEDELETE},
 141     {'T',                       SCI_CSHIFT,     SCI_LINECOPY},
 142     {'T',                       SCI_CTRL,       SCI_LINETRANSPOSE},
 143     {'D',                       SCI_CTRL,       SCI_LINEDUPLICATE},
 144     {'U',                       SCI_CTRL,       SCI_LOWERCASE},
 145     {'U',                       SCI_CSHIFT,     SCI_UPPERCASE},
 146     {0,0,0},
 147 };
 148