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mc/gtkedit/gtkeditkey.c
Paul Sheer df20f28f2e Initial commit
1998-09-14 20:18:54 +00:00

480 lines
10 KiB
C
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#include <config.h>
#include "edit.h"
#include "editcmddef.h"
#include <gdk/gdkkeysyms.h>
int mod_type_key (guint x);
int (*user_defined_key_function) (unsigned int state, unsigned int keycode, KeySym keysym) = 0;
int option_interpret_numlock = 0;
void edit_set_user_key_function (int (*user_def_key_func) (unsigned int, unsigned int, KeySym))
{
user_defined_key_function = user_def_key_func;
}
int edit_translate_key (unsigned int x_keycode, long x_key, int x_state, int *cmd, int *ch)
{
int command = -1;
int char_for_insertion = -1;
static long key_map[128] =
{GDK_BackSpace, CK_BackSpace, GDK_Delete, CK_Delete, GDK_Return, CK_Enter, GDK_Page_Up, CK_Page_Up,
GDK_Page_Down, CK_Page_Down, GDK_Left, CK_Left, GDK_Right, CK_Right, GDK_Up, CK_Up, GDK_Down, CK_Down,
GDK_Home, CK_Home, GDK_End, CK_End, GDK_Tab, CK_Tab, GDK_Undo, CK_Undo, GDK_Insert, CK_Toggle_Insert,
GDK_F3, CK_Mark, GDK_F5, CK_Copy, GDK_F6, CK_Move, GDK_F8, CK_Remove, GDK_F2, CK_Save, GDK_F12, CK_Save_As,
GDK_F10, CK_Exit, GDK_Escape, CK_Cancel, GDK_F9, CK_Menu,
GDK_F4, CK_Replace, GDK_F4, CK_Replace_Again, GDK_F17, CK_Find_Again, GDK_F7, CK_Find, GDK_F15, CK_Insert_File, 0, 0};
static long key_pad_map[10] =
{GDK_Insert, GDK_End, GDK_Down, GDK_Page_Down, GDK_Left,
GDK_Down, GDK_Right, GDK_Home, GDK_Up, GDK_Page_Up};
#define DEFAULT_NUM_LOCK 1
static int num_lock = DEFAULT_NUM_LOCK;
static int raw = 0;
static int compose = 0;
static int decimal = 0;
static int hex = 0;
int i = 0;
int h;
if (compose) {
if (mod_type_key (x_key)) {
goto fin;
} else {
int c;
compose = 0;
c = get_international_character (x_key);
if (c == 1) {
/* *** */
#if 0
get_international_character (0);
#endif
goto fin;
} else if (c) {
char_for_insertion = c;
goto fin;
}
goto fin;
}
}
if (option_international_characters) {
if (x_key >= ' ' && x_key <= '~') {
/* *** */
#if 0
extern int compose_key_pressed;
#endif
if (compose_key_pressed) {
int c;
c = (x_key >= 'A' && x_key <= 'Z') ? x_key - 'A' + 'a' : x_key;
c = get_international_character ((x_state & ShiftMask) ?
((c >= 'a' && c <= 'z') ? c + 'A' - 'a' : c)
: c);
if (c == 1) {
compose = 1;
goto fin;
}
compose = 0;
if (c)
char_for_insertion = c;
else
goto fin;
}
}
}
if (x_key <= 0 || mod_type_key (x_key))
goto fin;
if (raw) {
if (!x_state) {
if (strchr ("0123456789abcdefh", x_key)) {
char u[2] =
{0, 0};
if (raw == 3) {
if (x_key == 'h') {
char_for_insertion = hex;
raw = 0;
goto fin;
} else {
if (x_key > '9') {
raw = 0;
goto fin;
}
}
}
decimal += (x_key - '0') * ((int) ("d\n\001")[raw - 1]);
u[0] = x_key;
hex += (strcspn ("0123456789abcdef", u) << (4 * (2 - raw)));
if (raw == 3) {
char_for_insertion = decimal;
raw = 0;
goto fin;
}
raw++;
goto fin;
}
}
if (raw > 1) {
raw = 0;
goto fin;
}
raw = 0;
if (x_key == GDK_Return)
char_for_insertion = '\n';
else
char_for_insertion = x_key;
if (x_state & ControlMask)
char_for_insertion &= 31;
if (x_state & (MyAltMask))
char_for_insertion |= 128;
goto fin;
}
if (user_defined_key_function)
if ((h = (*(user_defined_key_function)) (x_state, x_keycode, x_key))) {
command = h;
goto fin;
}
if ((x_state & MyAltMask)) {
switch ((int) x_key) {
case GDK_Left:
case GDK_KP_Left:
command = CK_Delete_Word_Left;
goto fin;
case GDK_Right:
case GDK_KP_Right:
command = CK_Delete_Word_Right;
goto fin;
case GDK_l:
case GDK_L:
command = CK_Goto;
goto fin;
case GDK_Insert:
case GDK_KP_Insert:
command = CK_Selection_History;
goto fin;
case GDK_Up:
case GDK_KP_Up:
command = CK_Scroll_Up;
goto fin;
case GDK_Down:
case GDK_KP_Down:
command = CK_Scroll_Down;
goto fin;
case GDK_Delete:
case GDK_KP_Delete:
command = CK_Delete_To_Line_End;
goto fin;
case GDK_BackSpace:
command = CK_Delete_To_Line_Begin;
goto fin;
case GDK_m:
case GDK_M:
command = CK_Mail;
goto fin;
case GDK_x:
case GDK_X:
command = CK_Save_And_Quit;
goto fin;
case GDK_p:
case GDK_P:
command = CK_Paragraph_Format;
goto fin;
}
}
if ((x_state & MyAltMask) && (x_state & ShiftMask)) {
switch ((int) x_key) {
case GDK_Up:
case GDK_KP_Up:
command = CK_Scroll_Up_Highlight;
goto fin;
case GDK_Down:
case GDK_KP_Down:
command = CK_Scroll_Down_Highlight;
goto fin;
}
}
if (!(x_state & MyAltMask)) {
if ((x_key == GDK_a || x_key == GDK_A) && (x_state & ControlMask)) {
#if 0
command = CK_Macro (CKeySymMod (CRawkeyQuery (0, 0, 0, " Execute Macro ", " Press macro hotkey: ")));
if (command == CK_Macro (0))
#endif
command = -1;
goto fin;
}
if (x_key == GDK_Num_Lock && option_interpret_numlock) {
num_lock = 1 - num_lock;
goto fin;
}
switch ((int) x_key) {
case GDK_KP_Home:
x_key = GDK_Home;
break;
case GDK_KP_End:
x_key = GDK_End;
break;
case GDK_KP_Page_Up:
x_key = GDK_Page_Up;
break;
case GDK_KP_Page_Down:
x_key = GDK_Page_Down;
break;
case GDK_KP_Up:
x_key = GDK_Up;
break;
case GDK_KP_Down:
x_key = GDK_Down;
break;
case GDK_KP_Left:
x_key = GDK_Left;
break;
case GDK_KP_Right:
x_key = GDK_Right;
break;
case GDK_KP_Insert:
x_key = GDK_Insert;
break;
case GDK_KP_Delete:
x_key = GDK_Delete;
break;
case GDK_KP_Enter:
x_key = GDK_Return;
break;
case GDK_KP_Add:
x_key = GDK_plus;
break;
case GDK_KP_Subtract:
x_key = GDK_minus;
break;
}
/* first translate the key-pad */
if (num_lock) {
if (x_key >= GDK_R1 && x_key <= GDK_R9) {
x_key = key_pad_map[x_key - GDK_R1 + 1];
} else if (x_key >= GDK_KP_0 && x_key <= GDK_KP_9) {
x_key = key_pad_map[x_key - GDK_KP_0];
} else if (x_key == GDK_KP_Decimal) {
x_key = GDK_Delete;
}
} else {
if (x_key >= GDK_KP_0 && x_key <= GDK_KP_9) {
x_key += GDK_0 - GDK_KP_0;
}
if (x_key == GDK_KP_Decimal) {
x_key = GDK_period;
}
}
if ((x_state & ShiftMask) && (x_state & ControlMask)) {
switch ((int) x_key) {
case GDK_Page_Up:
command = CK_Beginning_Of_Text_Highlight;
goto fin;
case GDK_Page_Down:
command = CK_End_Of_Text_Highlight;
goto fin;
case GDK_Left:
command = CK_Word_Left_Highlight;
goto fin;
case GDK_Right:
command = CK_Word_Right_Highlight;
goto fin;
case GDK_Up:
command = CK_Paragraph_Up_Highlight;
goto fin;
case GDK_Down:
command = CK_Paragraph_Down_Highlight;
goto fin;
case GDK_Home:
command = CK_Begin_Page_Highlight;
goto fin;
case GDK_End:
command = CK_End_Page_Highlight;
goto fin;
}
}
if ((x_state & ShiftMask) && !(x_state & ControlMask)) {
switch ((int) x_key) {
case GDK_Page_Up:
command = CK_Page_Up_Highlight;
goto fin;
case GDK_Page_Down:
command = CK_Page_Down_Highlight;
goto fin;
case GDK_Left:
command = CK_Left_Highlight;
goto fin;
case GDK_Right:
command = CK_Right_Highlight;
goto fin;
case GDK_Up:
command = CK_Up_Highlight;
goto fin;
case GDK_Down:
command = CK_Down_Highlight;
goto fin;
case GDK_Home:
command = CK_Home_Highlight;
goto fin;
case GDK_End:
command = CK_End_Highlight;
goto fin;
case GDK_Insert:
command = CK_XPaste;
goto fin;
case GDK_Delete:
command = CK_XCut;
goto fin;
case GDK_Return:
command = CK_Return;
goto fin;
/* this parallel F12, F19, F15, and F17 for some systems */
case GDK_F2:
command = CK_Save_As;
goto fin;
case GDK_F5:
command = CK_Insert_File;
goto fin;
case GDK_F7:
command = CK_Find_Again;
goto fin;
case GDK_F4:
command = CK_Replace_Again;
goto fin;
case GDK_F3:
command = CK_Run_Another;
goto fin;
}
}
/* things that need a control key */
if (x_state & ControlMask) {
switch ((int) x_key) {
case GDK_F1:
command = CK_Man_Page;
goto fin;
case GDK_U:
case GDK_u:
case GDK_BackSpace:
command = CK_Undo;
goto fin;
case GDK_Page_Up:
command = CK_Beginning_Of_Text;
goto fin;
case GDK_Page_Down:
command = CK_End_Of_Text;
goto fin;
case GDK_Up:
command = CK_Paragraph_Up;
goto fin;
case GDK_Down:
command = CK_Paragraph_Down;
goto fin;
case GDK_Left:
command = CK_Word_Left;
goto fin;
case GDK_Right:
command = CK_Word_Right;
goto fin;
case GDK_Home:
command = CK_Begin_Page;
goto fin;
case GDK_End:
command = CK_End_Page;
goto fin;
case GDK_N:
case GDK_n:
command = CK_New;
goto fin;
case GDK_O:
case GDK_o:
command = CK_Load;
goto fin;
case GDK_D:
case GDK_d:
command = CK_Date;
goto fin;
case GDK_Q:
case GDK_q:
raw = 1;
decimal = 0;
hex = 0;
goto fin;
case GDK_F:
case GDK_f:
command = CK_Save_Block;
goto fin;
case GDK_F5:
case GDK_F15:
command = CK_Insert_File;
goto fin;
case GDK_Insert:
command = CK_XStore;
goto fin;
case GDK_y:
case GDK_Y:
command = CK_Delete_Line;
goto fin;
case GDK_Delete:
command = CK_Remove;
goto fin;
case GDK_F2:
command = CK_Save_Desktop;
goto fin;
case GDK_F3:
command = CK_New_Window;
goto fin;
case GDK_F6:
command = CK_Cycle;
goto fin;
case GDK_F10:
command = CK_Check_Save_And_Quit;
goto fin;
case GDK_Tab:
case GDK_KP_Tab:
command = CK_Complete;
goto fin;
case GDK_b:
command = CK_Column_Mark;
goto fin;
}
}
/* an ordinary ascii character or international character */
if (!(x_state & MyAltMask)) {
if (!(x_state & ControlMask)) {
if ((x_key >= GDK_space && x_key <= GDK_asciitilde) || ((x_key >= 160 && x_key < 256) && option_international_characters)) {
char_for_insertion = x_key;
goto fin;
}
/* other commands */
if (!(x_state & ShiftMask)) {
i = 0;
while (key_map[i] != x_key && key_map[i])
i += 2;
command = key_map[i + 1];
if (command)
goto fin;
}
}
}
}
fin:
*cmd = command;
*ch = char_for_insertion;
if ((command == -1 || command == 0) && char_for_insertion == -1) /* unchanged, key has no function here */
return 0;
return 1;
}
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