ext/scintilla/src/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 <stdlib.h>
   9
  10 #include <vector>
  11 #include <map>
  12
  13 #include "Platform.h"
  14
  15 #include "Scintilla.h"
  16
  17 #include "KeyMap.h"
  18
  19 #ifdef SCI_NAMESPACE
  20 using namespace Scintilla;
  21 #endif
  22
  23 KeyMap::KeyMap() {
  24         for (int i = 0; MapDefault[i].key; i++) {
  25                 AssignCmdKey(MapDefault[i].key,
  26                         MapDefault[i].modifiers,
  27                         MapDefault[i].msg);
  28         }
  29 }
  30
  31 KeyMap::~KeyMap() {
  32         Clear();
  33 }
  34
  35 void KeyMap::Clear() {
  36         kmap.clear();
  37 }
  38
  39 void KeyMap::AssignCmdKey(int key, int modifiers, unsigned int msg) {
  40         kmap[KeyModifiers(key, modifiers)] = msg;
  41 }
  42
  43 unsigned int KeyMap::Find(int key, int modifiers) const {
  44         std::map<KeyModifiers, unsigned int>::const_iterator it = kmap.find(KeyModifiers(key, modifiers));
  45         return (it == kmap.end()) ? 0 : it->second;
  46 }
  47
  48 #if PLAT_GTK_MACOSX
  49 #define OS_X_KEYS 1
  50 #else
  51 #define OS_X_KEYS 0
  52 #endif
  53
  54 // Define a modifier that is exactly Ctrl key on all platforms
  55 // Most uses of Ctrl map to Cmd on OS X but some can't so use SCI_[S]CTRL_META
  56 #if OS_X_KEYS
  57 #define SCI_CTRL_META SCI_META
  58 #define SCI_SCTRL_META (SCI_META | SCI_SHIFT)
  59 #else
  60 #define SCI_CTRL_META SCI_CTRL
  61 #define SCI_SCTRL_META (SCI_CTRL | SCI_SHIFT)
  62 #endif
  63
  64 const KeyToCommand KeyMap::MapDefault[] = {
  65
  66 #if OS_X_KEYS
  67     {SCK_DOWN,          SCI_CTRL,       SCI_DOCUMENTEND},
  68     {SCK_DOWN,          SCI_CSHIFT,     SCI_DOCUMENTENDEXTEND},
  69     {SCK_UP,            SCI_CTRL,       SCI_DOCUMENTSTART},
  70     {SCK_UP,            SCI_CSHIFT,     SCI_DOCUMENTSTARTEXTEND},
  71     {SCK_LEFT,          SCI_CTRL,       SCI_VCHOME},
  72     {SCK_LEFT,          SCI_CSHIFT,     SCI_VCHOMEEXTEND},
  73     {SCK_RIGHT,         SCI_CTRL,       SCI_LINEEND},
  74     {SCK_RIGHT,         SCI_CSHIFT,     SCI_LINEENDEXTEND},
  75 #endif
  76
  77     {SCK_DOWN,          SCI_NORM,       SCI_LINEDOWN},
  78     {SCK_DOWN,          SCI_SHIFT,      SCI_LINEDOWNEXTEND},
  79     {SCK_DOWN,          SCI_CTRL_META,  SCI_LINESCROLLDOWN},
  80     {SCK_DOWN,          SCI_ASHIFT,     SCI_LINEDOWNRECTEXTEND},
  81     {SCK_UP,            SCI_NORM,       SCI_LINEUP},
  82     {SCK_UP,                    SCI_SHIFT,      SCI_LINEUPEXTEND},
  83     {SCK_UP,                    SCI_CTRL_META,  SCI_LINESCROLLUP},
  84     {SCK_UP,            SCI_ASHIFT,     SCI_LINEUPRECTEXTEND},
  85     {'[',                       SCI_CTRL,               SCI_PARAUP},
  86     {'[',                       SCI_CSHIFT,     SCI_PARAUPEXTEND},
  87     {']',                       SCI_CTRL,               SCI_PARADOWN},
  88     {']',                       SCI_CSHIFT,     SCI_PARADOWNEXTEND},
  89     {SCK_LEFT,          SCI_NORM,       SCI_CHARLEFT},
  90     {SCK_LEFT,          SCI_SHIFT,      SCI_CHARLEFTEXTEND},
  91     {SCK_LEFT,          SCI_CTRL_META,  SCI_WORDLEFT},
  92     {SCK_LEFT,          SCI_SCTRL_META, SCI_WORDLEFTEXTEND},
  93     {SCK_LEFT,          SCI_ASHIFT,     SCI_CHARLEFTRECTEXTEND},
  94     {SCK_RIGHT,         SCI_NORM,       SCI_CHARRIGHT},
  95     {SCK_RIGHT,         SCI_SHIFT,      SCI_CHARRIGHTEXTEND},
  96     {SCK_RIGHT,         SCI_CTRL_META,  SCI_WORDRIGHT},
  97     {SCK_RIGHT,         SCI_SCTRL_META, SCI_WORDRIGHTEXTEND},
  98     {SCK_RIGHT,         SCI_ASHIFT,     SCI_CHARRIGHTRECTEXTEND},
  99     {'/',               SCI_CTRL,               SCI_WORDPARTLEFT},
 100     {'/',               SCI_CSHIFT,     SCI_WORDPARTLEFTEXTEND},
 101     {'\\',              SCI_CTRL,               SCI_WORDPARTRIGHT},
 102     {'\\',              SCI_CSHIFT,     SCI_WORDPARTRIGHTEXTEND},
 103     {SCK_HOME,          SCI_NORM,       SCI_VCHOME},
 104     {SCK_HOME,          SCI_SHIFT,      SCI_VCHOMEEXTEND},
 105     {SCK_HOME,          SCI_CTRL,       SCI_DOCUMENTSTART},
 106     {SCK_HOME,          SCI_CSHIFT,     SCI_DOCUMENTSTARTEXTEND},
 107     {SCK_HOME,          SCI_ALT,        SCI_HOMEDISPLAY},
 108     {SCK_HOME,          SCI_ASHIFT,     SCI_VCHOMERECTEXTEND},
 109     {SCK_END,           SCI_NORM,       SCI_LINEEND},
 110     {SCK_END,           SCI_SHIFT,      SCI_LINEENDEXTEND},
 111     {SCK_END,           SCI_CTRL,       SCI_DOCUMENTEND},
 112     {SCK_END,           SCI_CSHIFT,     SCI_DOCUMENTENDEXTEND},
 113     {SCK_END,           SCI_ALT,        SCI_LINEENDDISPLAY},
 114     {SCK_END,           SCI_ASHIFT,     SCI_LINEENDRECTEXTEND},
 115     {SCK_PRIOR,         SCI_NORM,       SCI_PAGEUP},
 116     {SCK_PRIOR,         SCI_SHIFT,      SCI_PAGEUPEXTEND},
 117     {SCK_PRIOR,         SCI_ASHIFT,     SCI_PAGEUPRECTEXTEND},
 118     {SCK_NEXT,          SCI_NORM,       SCI_PAGEDOWN},
 119     {SCK_NEXT,          SCI_SHIFT,      SCI_PAGEDOWNEXTEND},
 120     {SCK_NEXT,          SCI_ASHIFT,     SCI_PAGEDOWNRECTEXTEND},
 121     {SCK_DELETE,        SCI_NORM,       SCI_CLEAR},
 122     {SCK_DELETE,        SCI_SHIFT,      SCI_CUT},
 123     {SCK_DELETE,        SCI_CTRL,       SCI_DELWORDRIGHT},
 124     {SCK_DELETE,        SCI_CSHIFT,     SCI_DELLINERIGHT},
 125     {SCK_INSERT,                SCI_NORM,       SCI_EDITTOGGLEOVERTYPE},
 126     {SCK_INSERT,                SCI_SHIFT,      SCI_PASTE},
 127     {SCK_INSERT,                SCI_CTRL,       SCI_COPY},
 128     {SCK_ESCAPE,        SCI_NORM,       SCI_CANCEL},
 129     {SCK_BACK,          SCI_NORM,       SCI_DELETEBACK},
 130     {SCK_BACK,          SCI_SHIFT,      SCI_DELETEBACK},
 131     {SCK_BACK,          SCI_CTRL,       SCI_DELWORDLEFT},
 132     {SCK_BACK,          SCI_ALT,        SCI_UNDO},
 133     {SCK_BACK,          SCI_CSHIFT,     SCI_DELLINELEFT},
 134     {'Z',                       SCI_CTRL,       SCI_UNDO},
 135 #if OS_X_KEYS
 136     {'Z',                       SCI_CSHIFT,     SCI_REDO},
 137 #else
 138     {'Y',                       SCI_CTRL,       SCI_REDO},
 139 #endif
 140     {'X',                       SCI_CTRL,       SCI_CUT},
 141     {'C',                       SCI_CTRL,       SCI_COPY},
 142     {'V',                       SCI_CTRL,       SCI_PASTE},
 143     {'A',                       SCI_CTRL,       SCI_SELECTALL},
 144     {SCK_TAB,           SCI_NORM,       SCI_TAB},
 145     {SCK_TAB,           SCI_SHIFT,      SCI_BACKTAB},
 146     {SCK_RETURN,        SCI_NORM,       SCI_NEWLINE},
 147     {SCK_RETURN,        SCI_SHIFT,      SCI_NEWLINE},
 148     {SCK_ADD,           SCI_CTRL,       SCI_ZOOMIN},
 149     {SCK_SUBTRACT,      SCI_CTRL,       SCI_ZOOMOUT},
 150     {SCK_DIVIDE,        SCI_CTRL,       SCI_SETZOOM},
 151     {'L',                       SCI_CTRL,       SCI_LINECUT},
 152     {'L',                       SCI_CSHIFT,     SCI_LINEDELETE},
 153     {'T',                       SCI_CSHIFT,     SCI_LINECOPY},
 154     {'T',                       SCI_CTRL,       SCI_LINETRANSPOSE},
 155     {'D',                       SCI_CTRL,       SCI_SELECTIONDUPLICATE},
 156     {'U',                       SCI_CTRL,       SCI_LOWERCASE},
 157     {'U',                       SCI_CSHIFT,     SCI_UPPERCASE},
 158     {0,0,0},
 159 };
 160