src/stc/scintilla/src/KeyMap.cxx

   1 // Scintilla source code edit control
   2 // KeyMap.cxx  - defines a mapping between keystrokes and commands
   3 // Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
   4 // The License.txt file describes the conditions under which this software may be distributed.
   5
   6 #include "Platform.h"
   7
   8 #include "Scintilla.h"
   9
  10 #include "KeyMap.h"
  11
  12 KeyMap::KeyMap() : kmap(0), len(0), alloc(0) {
  13         for (int i = 0; MapDefault[i].key; i++) {
  14                 AssignCmdKey(MapDefault[i].key,
  15                         MapDefault[i].modifiers,
  16                         MapDefault[i].msg);
  17         }
  18 }
  19
  20 KeyMap::~KeyMap() {
  21         Clear();
  22 }
  23
  24 void KeyMap::Clear() {
  25         delete []kmap;
  26         kmap = 0;
  27         len = 0;
  28         alloc = 0;
  29 }
  30
  31 void KeyMap::AssignCmdKey(int key, int modifiers, UINT msg) {
  32         if ((len+1) >= alloc) {
  33                 KeyToCommand *ktcNew = new KeyToCommand[alloc + 5];
  34                 if (!ktcNew)
  35                         return;
  36                 for (int k=0;k<len;k++)
  37                         ktcNew[k] = kmap[k];
  38                 alloc += 5;
  39                 delete []kmap;
  40                 kmap = ktcNew;
  41         }
  42         for (int keyIndex = 0; keyIndex < len; keyIndex++) {
  43                 if ((key == kmap[keyIndex].key) && (modifiers == kmap[keyIndex].modifiers)) {
  44                         kmap[keyIndex].msg = msg;
  45                         return;
  46                 }
  47         }
  48         kmap[len].key = key;
  49         kmap[len].modifiers = modifiers;
  50         kmap[len].msg = msg;
  51         len++;
  52 }
  53
  54 UINT KeyMap::Find(int key, int modifiers) {
  55         for (int i=0; i < len; i++) {
  56                 if ((key == kmap[i].key) && (modifiers == kmap[i].modifiers)) {
  57                         return kmap[i].msg;
  58                 }
  59         }
  60         return 0;
  61 }
  62
  63 KeyToCommand KeyMap::MapDefault[] = {
  64     VK_DOWN,    SCI_NORM,       SCI_LINEDOWN,
  65     VK_DOWN,    SCI_SHIFT,      SCI_LINEDOWNEXTEND,
  66     VK_UP,              SCI_NORM,       SCI_LINEUP,
  67     VK_UP,              SCI_SHIFT,      SCI_LINEUPEXTEND,
  68     VK_LEFT,            SCI_NORM,       SCI_CHARLEFT,
  69     VK_LEFT,            SCI_SHIFT,      SCI_CHARLEFTEXTEND,
  70     VK_LEFT,            SCI_CTRL,       SCI_WORDLEFT,
  71     VK_LEFT,            SCI_CSHIFT,     SCI_WORDLEFTEXTEND,
  72     VK_RIGHT,   SCI_NORM,       SCI_CHARRIGHT,
  73     VK_RIGHT,   SCI_SHIFT,      SCI_CHARRIGHTEXTEND,
  74     VK_RIGHT,   SCI_CTRL,       SCI_WORDRIGHT,
  75     VK_RIGHT,   SCI_CSHIFT,     SCI_WORDRIGHTEXTEND,
  76     VK_HOME,    SCI_NORM,       SCI_VCHOME,
  77     VK_HOME,    SCI_SHIFT,      SCI_VCHOMEEXTEND,
  78     VK_HOME,    SCI_CTRL,       SCI_DOCUMENTSTART,
  79     VK_HOME,    SCI_CSHIFT,     SCI_DOCUMENTSTARTEXTEND,
  80     VK_END,             SCI_NORM,       SCI_LINEEND,
  81     VK_END,             SCI_SHIFT,      SCI_LINEENDEXTEND,
  82     VK_END,             SCI_CTRL,       SCI_DOCUMENTEND,
  83     VK_END,             SCI_CSHIFT,     SCI_DOCUMENTENDEXTEND,
  84     VK_PRIOR,   SCI_NORM,       SCI_PAGEUP,
  85     VK_PRIOR,   SCI_SHIFT,      SCI_PAGEUPEXTEND,
  86     VK_NEXT,    SCI_NORM,       SCI_PAGEDOWN,
  87     VK_NEXT,    SCI_SHIFT,      SCI_PAGEDOWNEXTEND,
  88     VK_DELETE,  SCI_NORM,       WM_CLEAR,
  89     VK_DELETE,  SCI_SHIFT,      WM_CUT,
  90     VK_DELETE,  SCI_CTRL,       SCI_DELWORDRIGHT,
  91     VK_INSERT,  SCI_NORM,       SCI_EDITTOGGLEOVERTYPE,
  92     VK_INSERT,  SCI_SHIFT,      WM_PASTE,
  93     VK_INSERT,  SCI_CTRL,       WM_COPY,
  94     VK_ESCAPE,          SCI_NORM,       SCI_CANCEL,
  95     VK_BACK,            SCI_NORM,       SCI_DELETEBACK,
  96     VK_BACK,            SCI_CTRL,       SCI_DELWORDLEFT,
  97     'Z',                        SCI_CTRL,       WM_UNDO,
  98     'Y',                        SCI_CTRL,       SCI_REDO,
  99     'X',                        SCI_CTRL,       WM_CUT,
 100     'C',                        SCI_CTRL,       WM_COPY,
 101     'V',                        SCI_CTRL,       WM_PASTE,
 102     'A',                        SCI_CTRL,       SCI_SELECTALL,
 103     VK_TAB,             SCI_NORM,       SCI_TAB,
 104     VK_TAB,             SCI_SHIFT,      SCI_BACKTAB,
 105     VK_RETURN,  SCI_NORM,       SCI_NEWLINE,
 106     'L',                        SCI_CTRL,       SCI_FORMFEED,
 107     VK_ADD,             SCI_CTRL,       SCI_ZOOMIN,
 108     VK_SUBTRACT,        SCI_CTRL,       SCI_ZOOMOUT,
 109     0,0,0,
 110 };
 111