quadrilateralcowboy/framework/EditField.cpp
2020-06-12 14:06:25 -07:00

604 lines
14 KiB
C++

/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "../idlib/precompiled.h"
#pragma hdrstop
static autoComplete_t globalAutoComplete;
/*
===============
FindMatches
===============
*/
static void FindMatches( const char *s ) {
int i;
if ( idStr::Icmpn( s, globalAutoComplete.completionString, strlen( globalAutoComplete.completionString ) ) != 0 ) {
return;
}
globalAutoComplete.matchCount++;
if ( globalAutoComplete.matchCount == 1 ) {
idStr::Copynz( globalAutoComplete.currentMatch, s, sizeof( globalAutoComplete.currentMatch ) );
return;
}
// cut currentMatch to the amount common with s
for ( i = 0; s[i]; i++ ) {
if ( tolower( globalAutoComplete.currentMatch[i] ) != tolower( s[i] ) ) {
globalAutoComplete.currentMatch[i] = 0;
break;
}
}
globalAutoComplete.currentMatch[i] = 0;
}
/*
===============
FindIndexMatch
===============
*/
static void FindIndexMatch( const char *s ) {
if ( idStr::Icmpn( s, globalAutoComplete.completionString, strlen( globalAutoComplete.completionString ) ) != 0 ) {
return;
}
if( globalAutoComplete.findMatchIndex == globalAutoComplete.matchIndex ) {
idStr::Copynz( globalAutoComplete.currentMatch, s, sizeof( globalAutoComplete.currentMatch ) );
}
globalAutoComplete.findMatchIndex++;
}
/*
===============
PrintMatches
===============
*/
static void PrintMatches( const char *s ) {
if ( idStr::Icmpn( s, globalAutoComplete.currentMatch, strlen( globalAutoComplete.currentMatch ) ) == 0 ) {
common->Printf( " %s\n", s );
}
}
/*
===============
PrintCvarMatches
===============
*/
static void PrintCvarMatches( const char *s ) {
if ( idStr::Icmpn( s, globalAutoComplete.currentMatch, strlen( globalAutoComplete.currentMatch ) ) == 0 ) {
common->Printf( " %s" S_COLOR_WHITE " = \"%s\"\n", s, cvarSystem->GetCVarString( s ) );
}
}
/*
===============
idEditField::idEditField
===============
*/
idEditField::idEditField() {
widthInChars = 0;
Clear();
}
/*
===============
idEditField::~idEditField
===============
*/
idEditField::~idEditField() {
}
/*
===============
idEditField::Clear
===============
*/
void idEditField::Clear( void ) {
buffer[0] = 0;
cursor = 0;
scroll = 0;
autoComplete.length = 0;
autoComplete.valid = false;
}
/*
===============
idEditField::SetWidthInChars
===============
*/
void idEditField::SetWidthInChars( int w ) {
assert( w <= MAX_EDIT_LINE );
widthInChars = w;
}
/*
===============
idEditField::SetCursor
===============
*/
void idEditField::SetCursor( int c ) {
assert( c <= MAX_EDIT_LINE );
cursor = c;
}
/*
===============
idEditField::GetCursor
===============
*/
int idEditField::GetCursor( void ) const {
return cursor;
}
/*
===============
idEditField::ClearAutoComplete
===============
*/
void idEditField::ClearAutoComplete( void ) {
if ( autoComplete.length > 0 && autoComplete.length <= (int) strlen( buffer ) ) {
buffer[autoComplete.length] = '\0';
if ( cursor > autoComplete.length ) {
cursor = autoComplete.length;
}
}
autoComplete.length = 0;
autoComplete.valid = false;
}
/*
===============
idEditField::GetAutoCompleteLength
===============
*/
int idEditField::GetAutoCompleteLength( void ) const {
return autoComplete.length;
}
/*
===============
idEditField::AutoComplete
===============
*/
void idEditField::AutoComplete( void ) {
char completionArgString[MAX_EDIT_LINE];
idCmdArgs args;
if ( !autoComplete.valid ) {
args.TokenizeString( buffer, false );
idStr::Copynz( autoComplete.completionString, args.Argv( 0 ), sizeof( autoComplete.completionString ) );
idStr::Copynz( completionArgString, args.Args(), sizeof( completionArgString ) );
autoComplete.matchCount = 0;
autoComplete.matchIndex = 0;
autoComplete.currentMatch[0] = 0;
if ( strlen( autoComplete.completionString ) == 0 ) {
return;
}
globalAutoComplete = autoComplete;
cmdSystem->CommandCompletion( FindMatches );
cvarSystem->CommandCompletion( FindMatches );
autoComplete = globalAutoComplete;
if ( autoComplete.matchCount == 0 ) {
return; // no matches
}
// when there's only one match or there's an argument
if ( autoComplete.matchCount == 1 || completionArgString[0] != '\0' ) {
/// try completing arguments
idStr::Append( autoComplete.completionString, sizeof( autoComplete.completionString ), " " );
idStr::Append( autoComplete.completionString, sizeof( autoComplete.completionString ), completionArgString );
autoComplete.matchCount = 0;
globalAutoComplete = autoComplete;
cmdSystem->ArgCompletion( autoComplete.completionString, FindMatches );
cvarSystem->ArgCompletion( autoComplete.completionString, FindMatches );
autoComplete = globalAutoComplete;
idStr::snPrintf( buffer, sizeof( buffer ), "%s", autoComplete.currentMatch );
if ( autoComplete.matchCount == 0 ) {
// no argument matches
idStr::Append( buffer, sizeof( buffer ), " " );
idStr::Append( buffer, sizeof( buffer ), completionArgString );
SetCursor( strlen( buffer ) );
return;
}
} else {
// multiple matches, complete to shortest
idStr::snPrintf( buffer, sizeof( buffer ), "%s", autoComplete.currentMatch );
if ( strlen( completionArgString ) ) {
idStr::Append( buffer, sizeof( buffer ), " " );
idStr::Append( buffer, sizeof( buffer ), completionArgString );
}
}
autoComplete.length = strlen( buffer );
autoComplete.valid = ( autoComplete.matchCount != 1 );
SetCursor( autoComplete.length );
common->Printf( "]%s\n", buffer );
// run through again, printing matches
globalAutoComplete = autoComplete;
cmdSystem->CommandCompletion( PrintMatches );
cmdSystem->ArgCompletion( autoComplete.completionString, PrintMatches );
cvarSystem->CommandCompletion( PrintCvarMatches );
cvarSystem->ArgCompletion( autoComplete.completionString, PrintMatches );
} else if ( autoComplete.matchCount != 1 ) {
// get the next match and show instead
autoComplete.matchIndex++;
if ( autoComplete.matchIndex == autoComplete.matchCount ) {
autoComplete.matchIndex = 0;
}
autoComplete.findMatchIndex = 0;
globalAutoComplete = autoComplete;
cmdSystem->CommandCompletion( FindIndexMatch );
cmdSystem->ArgCompletion( autoComplete.completionString, FindIndexMatch );
cvarSystem->CommandCompletion( FindIndexMatch );
cvarSystem->ArgCompletion( autoComplete.completionString, FindIndexMatch );
autoComplete = globalAutoComplete;
// and print it
idStr::snPrintf( buffer, sizeof( buffer ), autoComplete.currentMatch );
if ( autoComplete.length > (int)strlen( buffer ) ) {
autoComplete.length = strlen( buffer );
}
SetCursor( autoComplete.length );
}
}
/*
===============
idEditField::CharEvent
===============
*/
void idEditField::CharEvent( int ch ) {
int len;
if ( ch == 'v' - 'a' + 1 ) { // ctrl-v is paste
Paste();
return;
}
if ( ch == 'c' - 'a' + 1 ) { // ctrl-c clears the field
Clear();
return;
}
len = strlen( buffer );
if ( ch == 'h' - 'a' + 1 || ch == K_BACKSPACE ) { // ctrl-h is backspace
if ( cursor > 0 ) {
memmove( buffer + cursor - 1, buffer + cursor, len + 1 - cursor );
cursor--;
if ( cursor < scroll ) {
scroll--;
}
}
return;
}
if ( ch == 'a' - 'a' + 1 ) { // ctrl-a is home
cursor = 0;
scroll = 0;
return;
}
if ( ch == 'e' - 'a' + 1 ) { // ctrl-e is end
cursor = len;
scroll = cursor - widthInChars;
return;
}
//
// ignore any other non printable chars
//
if ( ch < 32 ) {
return;
}
if ( idKeyInput::GetOverstrikeMode() ) {
if ( cursor == MAX_EDIT_LINE - 1 ) {
return;
}
buffer[cursor] = ch;
cursor++;
} else { // insert mode
if ( len == MAX_EDIT_LINE - 1 ) {
return; // all full
}
memmove( buffer + cursor + 1, buffer + cursor, len + 1 - cursor );
buffer[cursor] = ch;
cursor++;
}
if ( cursor >= widthInChars ) {
scroll++;
}
if ( cursor == len + 1 ) {
buffer[cursor] = 0;
}
}
/*
===============
idEditField::KeyDownEvent
===============
*/
void idEditField::KeyDownEvent( int key ) {
int len;
// shift-insert is paste
if ( ( ( key == K_INS ) || ( key == K_KP_INS ) ) && idKeyInput::IsDown( K_SHIFT ) ) {
ClearAutoComplete();
Paste();
return;
}
len = strlen( buffer );
if ( key == K_DEL ) {
if ( autoComplete.length ) {
ClearAutoComplete();
} else if ( cursor < len ) {
memmove( buffer + cursor, buffer + cursor + 1, len - cursor );
}
return;
}
if ( key == K_RIGHTARROW ) {
if ( idKeyInput::IsDown( K_CTRL ) ) {
// skip to next word
while( ( cursor < len ) && ( buffer[ cursor ] != ' ' ) ) {
cursor++;
}
while( ( cursor < len ) && ( buffer[ cursor ] == ' ' ) ) {
cursor++;
}
} else {
cursor++;
}
if ( cursor > len ) {
cursor = len;
}
if ( cursor >= scroll + widthInChars ) {
scroll = cursor - widthInChars + 1;
}
if ( autoComplete.length > 0 ) {
autoComplete.length = cursor;
}
return;
}
if ( key == K_LEFTARROW ) {
if ( idKeyInput::IsDown( K_CTRL ) ) {
// skip to previous word
while( ( cursor > 0 ) && ( buffer[ cursor - 1 ] == ' ' ) ) {
cursor--;
}
while( ( cursor > 0 ) && ( buffer[ cursor - 1 ] != ' ' ) ) {
cursor--;
}
} else {
cursor--;
}
if ( cursor < 0 ) {
cursor = 0;
}
if ( cursor < scroll ) {
scroll = cursor;
}
if ( autoComplete.length ) {
autoComplete.length = cursor;
}
return;
}
if ( key == K_HOME || ( tolower( key ) == 'a' && idKeyInput::IsDown( K_CTRL ) ) ) {
cursor = 0;
scroll = 0;
if ( autoComplete.length ) {
autoComplete.length = cursor;
autoComplete.valid = false;
}
return;
}
if ( key == K_END || ( tolower( key ) == 'e' && idKeyInput::IsDown( K_CTRL ) ) ) {
cursor = len;
if ( cursor >= scroll + widthInChars ) {
scroll = cursor - widthInChars + 1;
}
if ( autoComplete.length ) {
autoComplete.length = cursor;
autoComplete.valid = false;
}
return;
}
if ( key == K_INS ) {
idKeyInput::SetOverstrikeMode( !idKeyInput::GetOverstrikeMode() );
return;
}
// clear autocompletion buffer on normal key input
if ( key != K_CAPSLOCK && key != K_ALT && key != K_CTRL && key != K_SHIFT ) {
ClearAutoComplete();
}
}
/*
===============
idEditField::Paste
===============
*/
void idEditField::Paste( void ) {
char *cbd;
int pasteLen, i;
cbd = Sys_GetClipboardData();
if ( !cbd ) {
return;
}
// send as if typed, so insert / overstrike works properly
pasteLen = strlen( cbd );
for ( i = 0; i < pasteLen; i++ ) {
CharEvent( cbd[i] );
}
Mem_Free( cbd );
}
/*
===============
idEditField::GetBuffer
===============
*/
char *idEditField::GetBuffer( void ) {
return buffer;
}
/*
===============
idEditField::SetBuffer
===============
*/
void idEditField::SetBuffer( const char *buf ) {
Clear();
idStr::Copynz( buffer, buf, sizeof( buffer ) );
SetCursor( strlen( buffer ) );
}
/*
===============
idEditField::Draw
===============
*/
void idEditField::Draw( int x, int y, int width, bool showCursor, const idMaterial *shader ) {
int len;
int drawLen;
int prestep;
int cursorChar;
char str[MAX_EDIT_LINE];
int size;
size = SMALLCHAR_WIDTH;
drawLen = widthInChars;
len = strlen( buffer ) + 1;
// guarantee that cursor will be visible
if ( len <= drawLen ) {
prestep = 0;
} else {
if ( scroll + drawLen > len ) {
scroll = len - drawLen;
if ( scroll < 0 ) {
scroll = 0;
}
}
prestep = scroll;
// Skip color code
if ( idStr::IsColor( buffer + prestep ) ) {
prestep += 2;
}
if ( prestep > 0 && idStr::IsColor( buffer + prestep - 1 ) ) {
prestep++;
}
}
if ( prestep + drawLen > len ) {
drawLen = len - prestep;
}
// extract <drawLen> characters from the field at <prestep>
if ( drawLen >= MAX_EDIT_LINE ) {
common->Error( "drawLen >= MAX_EDIT_LINE" );
}
memcpy( str, buffer + prestep, drawLen );
str[ drawLen ] = 0;
// draw it
renderSystem->DrawSmallStringExt( x, y, str, colorWhite, false, shader );
// draw the cursor
if ( !showCursor ) {
return;
}
if ( (int)( com_ticNumber >> 4 ) & 1 ) {
return; // off blink
}
if ( idKeyInput::GetOverstrikeMode() ) {
cursorChar = 11;
} else {
cursorChar = 10;
}
// Move the cursor back to account for color codes
for ( int i = 0; i<cursor; i++ ) {
if ( idStr::IsColor( &str[i] ) ) {
i++;
prestep += 2;
}
}
renderSystem->DrawSmallChar( x + ( cursor - prestep ) * size, y, cursorChar, shader );
}