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https://github.com/UberGames/ioef.git
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439 lines
9.1 KiB
C
Executable file
439 lines
9.1 KiB
C
Executable file
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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//
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#include "ui_local.h"
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/*
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===================
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MField_Draw
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Handles horizontal scrolling and cursor blinking
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x, y, are in pixels
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===================
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*/
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void MField_Draw( mfield_t *edit, int x, int y, int style, vec4_t color ) {
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int len;
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int charw;
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int drawLen;
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int prestep;
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int cursorChar;
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char str[MAX_STRING_CHARS];
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drawLen = edit->widthInChars;
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len = strlen( edit->buffer ) + 1;
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// guarantee that cursor will be visible
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if ( len <= drawLen ) {
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prestep = 0;
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} else {
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if ( edit->scroll + drawLen > len ) {
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edit->scroll = len - drawLen;
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if ( edit->scroll < 0 ) {
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edit->scroll = 0;
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}
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}
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prestep = edit->scroll;
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}
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if ( prestep + drawLen > len ) {
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drawLen = len - prestep;
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}
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// extract <drawLen> characters from the field at <prestep>
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if ( drawLen >= MAX_STRING_CHARS ) {
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trap_Error( "drawLen >= MAX_STRING_CHARS" );
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}
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memcpy( str, edit->buffer + prestep, drawLen );
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str[ drawLen ] = 0;
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UI_DrawString( x, y, str, style, color );
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// draw the cursor
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if (!(style & UI_PULSE)) {
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return;
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}
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if ( trap_Key_GetOverstrikeMode() ) {
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cursorChar = 11;
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} else {
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cursorChar = 10;
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}
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style &= ~UI_PULSE;
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style |= UI_BLINK;
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if (style & UI_SMALLFONT)
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{
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charw = SMALLCHAR_WIDTH;
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}
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else if (style & UI_GIANTFONT)
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{
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charw = GIANTCHAR_WIDTH;
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}
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else
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{
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charw = BIGCHAR_WIDTH;
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}
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if (style & UI_CENTER)
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{
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len = strlen(str);
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x = x - len*charw/2;
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}
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else if (style & UI_RIGHT)
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{
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len = strlen(str);
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x = x - len*charw;
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}
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UI_DrawChar( x + ( edit->cursor - prestep ) * charw, y, cursorChar, style & ~(UI_CENTER|UI_RIGHT), color );
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}
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/*
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================
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MField_Paste
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================
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*/
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void MField_Paste( mfield_t *edit ) {
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char pasteBuffer[64];
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int pasteLen, i;
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trap_GetClipboardData( pasteBuffer, 64 );
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// send as if typed, so insert / overstrike works properly
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pasteLen = strlen( pasteBuffer );
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for ( i = 0 ; i < pasteLen ; i++ ) {
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MField_CharEvent( edit, pasteBuffer[i] );
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}
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}
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/*
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=================
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MField_KeyDownEvent
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Performs the basic line editing functions for the console,
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in-game talk, and menu fields
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Key events are used for non-printable characters, others are gotten from char events.
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=================
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*/
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void MField_KeyDownEvent( mfield_t *edit, int key ) {
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int len;
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// shift-insert is paste
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if ( ( ( key == K_INS ) || ( key == K_KP_INS ) ) && trap_Key_IsDown( K_SHIFT ) ) {
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MField_Paste( edit );
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return;
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}
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len = strlen( edit->buffer );
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if ( key == K_DEL || key == K_KP_DEL ) {
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if ( edit->cursor < len ) {
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memmove( edit->buffer + edit->cursor,
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edit->buffer + edit->cursor + 1, len - edit->cursor );
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}
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return;
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}
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if ( key == K_RIGHTARROW || key == K_KP_RIGHTARROW )
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{
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if ( edit->cursor < len ) {
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edit->cursor++;
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}
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if ( edit->cursor >= edit->scroll + edit->widthInChars && edit->cursor <= len )
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{
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edit->scroll++;
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}
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return;
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}
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if ( key == K_LEFTARROW || key == K_KP_LEFTARROW )
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{
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if ( edit->cursor > 0 ) {
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edit->cursor--;
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}
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if ( edit->cursor < edit->scroll )
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{
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edit->scroll--;
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}
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return;
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}
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if ( key == K_HOME || key == K_KP_HOME || ( tolower(key) == 'a' && trap_Key_IsDown( K_CTRL ) ) ) {
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edit->cursor = 0;
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edit->scroll = 0;
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return;
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}
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if ( key == K_END || key == K_KP_END || ( tolower(key) == 'e' && trap_Key_IsDown( K_CTRL ) ) ) {
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edit->cursor = len;
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edit->scroll = len - edit->widthInChars + 1;
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if (edit->scroll < 0)
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edit->scroll = 0;
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return;
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}
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if ( key == K_INS || key == K_KP_INS ) {
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trap_Key_SetOverstrikeMode( !trap_Key_GetOverstrikeMode() );
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return;
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}
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}
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/*
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==================
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MField_CharEvent
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==================
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*/
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void MField_CharEvent( mfield_t *edit, int ch ) {
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int len;
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if ( ch == 'v' - 'a' + 1 ) { // ctrl-v is paste
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MField_Paste( edit );
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return;
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}
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if ( ch == 'c' - 'a' + 1 ) { // ctrl-c clears the field
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MField_Clear( edit );
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return;
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}
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len = strlen( edit->buffer );
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if ( ch == 'h' - 'a' + 1 ) { // ctrl-h is backspace
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if ( edit->cursor > 0 ) {
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memmove( edit->buffer + edit->cursor - 1,
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edit->buffer + edit->cursor, len + 1 - edit->cursor );
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edit->cursor--;
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if ( edit->cursor < edit->scroll )
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{
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edit->scroll--;
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}
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}
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return;
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}
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if ( ch == 'a' - 'a' + 1 ) { // ctrl-a is home
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edit->cursor = 0;
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edit->scroll = 0;
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return;
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}
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if ( ch == 'e' - 'a' + 1 ) { // ctrl-e is end
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edit->cursor = len;
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edit->scroll = edit->cursor - edit->widthInChars + 1;
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if (edit->scroll < 0)
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edit->scroll = 0;
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return;
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}
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//
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// ignore any other non printable chars
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//
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if ( ch < 32 ) {
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return;
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}
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if ( !trap_Key_GetOverstrikeMode() ) {
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if ((edit->cursor == MAX_EDIT_LINE - 1) || (edit->maxchars && edit->cursor >= edit->maxchars))
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return;
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} else {
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// insert mode
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if (( len == MAX_EDIT_LINE - 1 ) || (edit->maxchars && len >= edit->maxchars))
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return;
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memmove( edit->buffer + edit->cursor + 1, edit->buffer + edit->cursor, len + 1 - edit->cursor );
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}
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edit->buffer[edit->cursor] = ch;
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if (!edit->maxchars || edit->cursor < edit->maxchars-1)
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edit->cursor++;
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if ( edit->cursor >= edit->widthInChars )
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{
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edit->scroll++;
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}
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if ( edit->cursor == len + 1) {
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edit->buffer[edit->cursor] = 0;
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}
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}
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/*
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==================
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MField_Clear
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==================
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*/
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void MField_Clear( mfield_t *edit ) {
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edit->buffer[0] = 0;
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edit->cursor = 0;
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edit->scroll = 0;
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}
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/*
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==================
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MenuField_Init
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==================
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*/
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void MenuField_Init( menufield_s* m ) {
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int l;
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int w;
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int h;
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MField_Clear( &m->field );
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if (m->generic.flags & QMF_SMALLFONT)
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{
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w = SMALLCHAR_WIDTH;
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h = SMALLCHAR_HEIGHT;
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}
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else
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{
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w = BIGCHAR_WIDTH;
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h = BIGCHAR_HEIGHT;
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}
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if (m->generic.name) {
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l = (strlen( m->generic.name )+1) * w;
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}
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else {
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l = 0;
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}
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m->generic.left = m->generic.x - l;
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m->generic.top = m->generic.y;
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m->generic.right = m->generic.x + w + m->field.widthInChars*w;
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m->generic.bottom = m->generic.y + h;
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}
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/*
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==================
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MenuField_Draw
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==================
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*/
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void MenuField_Draw( menufield_s *f )
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{
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int x;
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int y;
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int w;
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int h;
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int style;
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qboolean focus;
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float *color;
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x = f->generic.x;
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y = f->generic.y;
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if (f->generic.flags & QMF_SMALLFONT)
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{
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w = SMALLCHAR_WIDTH;
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h = SMALLCHAR_HEIGHT;
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style = UI_SMALLFONT;
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}
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else
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{
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w = BIGCHAR_WIDTH;
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h = BIGCHAR_HEIGHT;
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style = UI_BIGFONT;
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}
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if (Menu_ItemAtCursor( f->generic.parent ) == f) {
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focus = qtrue;
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style |= UI_PULSE;
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}
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else {
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focus = qfalse;
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}
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if (f->generic.flags & QMF_GRAYED)
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color = text_color_disabled;
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else if (focus)
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color = text_color_highlight;
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else
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color = text_color_normal;
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if ( focus )
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{
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// draw cursor
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UI_FillRect( f->generic.left, f->generic.top, f->generic.right-f->generic.left+1, f->generic.bottom-f->generic.top+1, listbar_color );
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UI_DrawChar( x, y, 13, UI_CENTER|UI_BLINK|style, color);
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}
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if ( f->generic.name ) {
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UI_DrawString( x - w, y, f->generic.name, style|UI_RIGHT, color );
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}
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MField_Draw( &f->field, x + w, y, style, color );
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}
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/*
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==================
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MenuField_Key
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==================
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*/
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sfxHandle_t MenuField_Key( menufield_s* m, int* key )
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{
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int keycode;
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keycode = *key;
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switch ( keycode )
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{
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case K_KP_ENTER:
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case K_ENTER:
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case K_JOY1:
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case K_JOY2:
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case K_JOY3:
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case K_JOY4:
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// have enter go to next cursor point
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*key = K_TAB;
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break;
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case K_TAB:
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case K_KP_DOWNARROW:
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case K_DOWNARROW:
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case K_KP_UPARROW:
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case K_UPARROW:
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break;
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default:
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if ( keycode & K_CHAR_FLAG )
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{
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keycode &= ~K_CHAR_FLAG;
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if ((m->generic.flags & QMF_UPPERCASE) && Q_islower( keycode ))
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keycode -= 'a' - 'A';
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else if ((m->generic.flags & QMF_LOWERCASE) && Q_isupper( keycode ))
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keycode -= 'A' - 'a';
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else if ((m->generic.flags & QMF_NUMBERSONLY) && Q_isalpha( keycode ))
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return (menu_buzz_sound);
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MField_CharEvent( &m->field, keycode);
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}
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else
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MField_KeyDownEvent( &m->field, keycode );
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break;
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}
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return (0);
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}
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