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 #ifdef SCI_NAMESPACE
15 using namespace Scintilla;
16 #endif
17
KeyMap()18 KeyMap::KeyMap() : kmap(0), len(0), alloc(0) {
19 for (int i = 0; MapDefault[i].key; i++) {
20 AssignCmdKey(MapDefault[i].key,
21 MapDefault[i].modifiers,
22 MapDefault[i].msg);
23 }
24 }
25
~KeyMap()26 KeyMap::~KeyMap() {
27 Clear();
28 }
29
Clear()30 void KeyMap::Clear() {
31 delete []kmap;
32 kmap = 0;
33 len = 0;
34 alloc = 0;
35 }
36
AssignCmdKey(int key,int modifiers,unsigned int msg)37 void KeyMap::AssignCmdKey(int key, int modifiers, unsigned int msg) {
38 if ((len+1) >= alloc) {
39 KeyToCommand *ktcNew = new KeyToCommand[alloc + 5];
40 if (!ktcNew)
41 return;
42 for (int k = 0; k < len; k++)
43 ktcNew[k] = kmap[k];
44 alloc += 5;
45 delete []kmap;
46 kmap = ktcNew;
47 }
48 for (int keyIndex = 0; keyIndex < len; keyIndex++) {
49 if ((key == kmap[keyIndex].key) && (modifiers == kmap[keyIndex].modifiers)) {
50 kmap[keyIndex].msg = msg;
51 return;
52 }
53 }
54 kmap[len].key = key;
55 kmap[len].modifiers = modifiers;
56 kmap[len].msg = msg;
57 len++;
58 }
59
Find(int key,int modifiers)60 unsigned int KeyMap::Find(int key, int modifiers) {
61 for (int i = 0; i < len; i++) {
62 if ((key == kmap[i].key) && (modifiers == kmap[i].modifiers)) {
63 return kmap[i].msg;
64 }
65 }
66 return 0;
67 }
68
69 #if PLAT_GTK_MACOSX
70 #define OS_X_KEYS 1
71 #else
72 #define OS_X_KEYS 0
73 #endif
74
75 // Define a modifier that is exactly Ctrl key on all platforms
76 // Most uses of Ctrl map to Cmd on OS X but some can't so use SCI_[S]CTRL_META
77 #if OS_X_KEYS
78 #define SCI_CTRL_META SCI_META
79 #define SCI_SCTRL_META (SCI_META | SCI_SHIFT)
80 #else
81 #define SCI_CTRL_META SCI_CTRL
82 #define SCI_SCTRL_META (SCI_CTRL | SCI_SHIFT)
83 #endif
84
85 const KeyToCommand KeyMap::MapDefault[] = {
86
87 #if OS_X_KEYS
88 {SCK_DOWN, SCI_CTRL, SCI_DOCUMENTEND},
89 {SCK_DOWN, SCI_CSHIFT, SCI_DOCUMENTENDEXTEND},
90 {SCK_UP, SCI_CTRL, SCI_DOCUMENTSTART},
91 {SCK_UP, SCI_CSHIFT, SCI_DOCUMENTSTARTEXTEND},
92 {SCK_LEFT, SCI_CTRL, SCI_VCHOME},
93 {SCK_LEFT, SCI_CSHIFT, SCI_VCHOMEEXTEND},
94 {SCK_RIGHT, SCI_CTRL, SCI_LINEEND},
95 {SCK_RIGHT, SCI_CSHIFT, SCI_LINEENDEXTEND},
96 #endif
97
98 {SCK_DOWN, SCI_NORM, SCI_LINEDOWN},
99 {SCK_DOWN, SCI_SHIFT, SCI_LINEDOWNEXTEND},
100 {SCK_DOWN, SCI_CTRL_META, SCI_LINESCROLLDOWN},
101 {SCK_DOWN, SCI_ASHIFT, SCI_LINEDOWNRECTEXTEND},
102 {SCK_UP, SCI_NORM, SCI_LINEUP},
103 {SCK_UP, SCI_SHIFT, SCI_LINEUPEXTEND},
104 {SCK_UP, SCI_CTRL_META, SCI_LINESCROLLUP},
105 {SCK_UP, SCI_ASHIFT, SCI_LINEUPRECTEXTEND},
106 {'[', SCI_CTRL, SCI_PARAUP},
107 {'[', SCI_CSHIFT, SCI_PARAUPEXTEND},
108 {']', SCI_CTRL, SCI_PARADOWN},
109 {']', SCI_CSHIFT, SCI_PARADOWNEXTEND},
110 {SCK_LEFT, SCI_NORM, SCI_CHARLEFT},
111 {SCK_LEFT, SCI_SHIFT, SCI_CHARLEFTEXTEND},
112 {SCK_LEFT, SCI_CTRL_META, SCI_WORDLEFT},
113 {SCK_LEFT, SCI_SCTRL_META, SCI_WORDLEFTEXTEND},
114 {SCK_LEFT, SCI_ASHIFT, SCI_CHARLEFTRECTEXTEND},
115 {SCK_RIGHT, SCI_NORM, SCI_CHARRIGHT},
116 {SCK_RIGHT, SCI_SHIFT, SCI_CHARRIGHTEXTEND},
117 {SCK_RIGHT, SCI_CTRL_META, SCI_WORDRIGHT},
118 {SCK_RIGHT, SCI_SCTRL_META, SCI_WORDRIGHTEXTEND},
119 {SCK_RIGHT, SCI_ASHIFT, SCI_CHARRIGHTRECTEXTEND},
120 {'/', SCI_CTRL, SCI_WORDPARTLEFT},
121 {'/', SCI_CSHIFT, SCI_WORDPARTLEFTEXTEND},
122 {'\\', SCI_CTRL, SCI_WORDPARTRIGHT},
123 {'\\', SCI_CSHIFT, SCI_WORDPARTRIGHTEXTEND},
124 {SCK_HOME, SCI_NORM, SCI_VCHOME},
125 {SCK_HOME, SCI_SHIFT, SCI_VCHOMEEXTEND},
126 {SCK_HOME, SCI_CTRL, SCI_DOCUMENTSTART},
127 {SCK_HOME, SCI_CSHIFT, SCI_DOCUMENTSTARTEXTEND},
128 {SCK_HOME, SCI_ALT, SCI_HOMEDISPLAY},
129 {SCK_HOME, SCI_ASHIFT, SCI_VCHOMERECTEXTEND},
130 {SCK_END, SCI_NORM, SCI_LINEEND},
131 {SCK_END, SCI_SHIFT, SCI_LINEENDEXTEND},
132 {SCK_END, SCI_CTRL, SCI_DOCUMENTEND},
133 {SCK_END, SCI_CSHIFT, SCI_DOCUMENTENDEXTEND},
134 {SCK_END, SCI_ALT, SCI_LINEENDDISPLAY},
135 {SCK_END, SCI_ASHIFT, SCI_LINEENDRECTEXTEND},
136 {SCK_PRIOR, SCI_NORM, SCI_PAGEUP},
137 {SCK_PRIOR, SCI_SHIFT, SCI_PAGEUPEXTEND},
138 {SCK_PRIOR, SCI_ASHIFT, SCI_PAGEUPRECTEXTEND},
139 {SCK_NEXT, SCI_NORM, SCI_PAGEDOWN},
140 {SCK_NEXT, SCI_SHIFT, SCI_PAGEDOWNEXTEND},
141 {SCK_NEXT, SCI_ASHIFT, SCI_PAGEDOWNRECTEXTEND},
142 {SCK_DELETE, SCI_NORM, SCI_CLEAR},
143 {SCK_DELETE, SCI_SHIFT, SCI_CUT},
144 {SCK_DELETE, SCI_CTRL, SCI_DELWORDRIGHT},
145 {SCK_DELETE, SCI_CSHIFT, SCI_DELLINERIGHT},
146 {SCK_INSERT, SCI_NORM, SCI_EDITTOGGLEOVERTYPE},
147 {SCK_INSERT, SCI_SHIFT, SCI_PASTE},
148 {SCK_INSERT, SCI_CTRL, SCI_COPY},
149 {SCK_ESCAPE, SCI_NORM, SCI_CANCEL},
150 {SCK_BACK, SCI_NORM, SCI_DELETEBACK},
151 {SCK_BACK, SCI_SHIFT, SCI_DELETEBACK},
152 {SCK_BACK, SCI_CTRL, SCI_DELWORDLEFT},
153 {SCK_BACK, SCI_ALT, SCI_UNDO},
154 {SCK_BACK, SCI_CSHIFT, SCI_DELLINELEFT},
155 {'Z', SCI_CTRL, SCI_UNDO},
156 #if OS_X_KEYS
157 {'Z', SCI_CSHIFT, SCI_REDO},
158 #else
159 {'Y', SCI_CTRL, SCI_REDO},
160 #endif
161 {'X', SCI_CTRL, SCI_CUT},
162 {'C', SCI_CTRL, SCI_COPY},
163 {'V', SCI_CTRL, SCI_PASTE},
164 {'A', SCI_CTRL, SCI_SELECTALL},
165 {SCK_TAB, SCI_NORM, SCI_TAB},
166 {SCK_TAB, SCI_SHIFT, SCI_BACKTAB},
167 {SCK_RETURN, SCI_NORM, SCI_NEWLINE},
168 {SCK_RETURN, SCI_SHIFT, SCI_NEWLINE},
169 {SCK_ADD, SCI_CTRL, SCI_ZOOMIN},
170 {SCK_SUBTRACT, SCI_CTRL, SCI_ZOOMOUT},
171 {SCK_DIVIDE, SCI_CTRL, SCI_SETZOOM},
172 {'L', SCI_CTRL, SCI_LINECUT},
173 {'L', SCI_CSHIFT, SCI_LINEDELETE},
174 {'T', SCI_CSHIFT, SCI_LINECOPY},
175 {'T', SCI_CTRL, SCI_LINETRANSPOSE},
176 {'D', SCI_CTRL, SCI_SELECTIONDUPLICATE},
177 {'U', SCI_CTRL, SCI_LOWERCASE},
178 {'U', SCI_CSHIFT, SCI_UPPERCASE},
179 {0,0,0},
180 };
181
182