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Diffstat (limited to 'code/q3_ui/ui_mfield.c')
-rw-r--r-- | code/q3_ui/ui_mfield.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/code/q3_ui/ui_mfield.c b/code/q3_ui/ui_mfield.c new file mode 100644 index 0000000..d7b13fe --- /dev/null +++ b/code/q3_ui/ui_mfield.c @@ -0,0 +1,439 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena 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 2 of the License, +or (at your option) any later version. + +Quake III Arena 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 Quake III Arena source code; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +// +#include "ui_local.h" + +/* +=================== +MField_Draw + +Handles horizontal scrolling and cursor blinking +x, y, are in pixels +=================== +*/ +void MField_Draw( mfield_t *edit, int x, int y, int style, vec4_t color ) { + int len; + int charw; + int drawLen; + int prestep; + int cursorChar; + char str[MAX_STRING_CHARS]; + + drawLen = edit->widthInChars; + len = strlen( edit->buffer ) + 1; + + // guarantee that cursor will be visible + if ( len <= drawLen ) { + prestep = 0; + } else { + if ( edit->scroll + drawLen > len ) { + edit->scroll = len - drawLen; + if ( edit->scroll < 0 ) { + edit->scroll = 0; + } + } + prestep = edit->scroll; + } + + if ( prestep + drawLen > len ) { + drawLen = len - prestep; + } + + // extract <drawLen> characters from the field at <prestep> + if ( drawLen >= MAX_STRING_CHARS ) { + trap_Error( "drawLen >= MAX_STRING_CHARS" ); + } + memcpy( str, edit->buffer + prestep, drawLen ); + str[ drawLen ] = 0; + + UI_DrawString( x, y, str, style, color ); + + // draw the cursor + if (!(style & UI_PULSE)) { + return; + } + + if ( trap_Key_GetOverstrikeMode() ) { + cursorChar = 11; + } else { + cursorChar = 10; + } + + style &= ~UI_PULSE; + style |= UI_BLINK; + + if (style & UI_SMALLFONT) + { + charw = SMALLCHAR_WIDTH; + } + else if (style & UI_GIANTFONT) + { + charw = GIANTCHAR_WIDTH; + } + else + { + charw = BIGCHAR_WIDTH; + } + + if (style & UI_CENTER) + { + len = strlen(str); + x = x - len*charw/2; + } + else if (style & UI_RIGHT) + { + len = strlen(str); + x = x - len*charw; + } + + UI_DrawChar( x + ( edit->cursor - prestep ) * charw, y, cursorChar, style & ~(UI_CENTER|UI_RIGHT), color ); +} + +/* +================ +MField_Paste +================ +*/ +void MField_Paste( mfield_t *edit ) { + char pasteBuffer[64]; + int pasteLen, i; + + trap_GetClipboardData( pasteBuffer, 64 ); + + // send as if typed, so insert / overstrike works properly + pasteLen = strlen( pasteBuffer ); + for ( i = 0 ; i < pasteLen ; i++ ) { + MField_CharEvent( edit, pasteBuffer[i] ); + } +} + +/* +================= +MField_KeyDownEvent + +Performs the basic line editing functions for the console, +in-game talk, and menu fields + +Key events are used for non-printable characters, others are gotten from char events. +================= +*/ +void MField_KeyDownEvent( mfield_t *edit, int key ) { + int len; + + // shift-insert is paste + if ( ( ( key == K_INS ) || ( key == K_KP_INS ) ) && trap_Key_IsDown( K_SHIFT ) ) { + MField_Paste( edit ); + return; + } + + len = strlen( edit->buffer ); + + if ( key == K_DEL || key == K_KP_DEL ) { + if ( edit->cursor < len ) { + memmove( edit->buffer + edit->cursor, + edit->buffer + edit->cursor + 1, len - edit->cursor ); + } + return; + } + + if ( key == K_RIGHTARROW || key == K_KP_RIGHTARROW ) + { + if ( edit->cursor < len ) { + edit->cursor++; + } + if ( edit->cursor >= edit->scroll + edit->widthInChars && edit->cursor <= len ) + { + edit->scroll++; + } + return; + } + + if ( key == K_LEFTARROW || key == K_KP_LEFTARROW ) + { + if ( edit->cursor > 0 ) { + edit->cursor--; + } + if ( edit->cursor < edit->scroll ) + { + edit->scroll--; + } + return; + } + + if ( key == K_HOME || key == K_KP_HOME || ( tolower(key) == 'a' && trap_Key_IsDown( K_CTRL ) ) ) { + edit->cursor = 0; + edit->scroll = 0; + return; + } + + if ( key == K_END || key == K_KP_END || ( tolower(key) == 'e' && trap_Key_IsDown( K_CTRL ) ) ) { + edit->cursor = len; + edit->scroll = len - edit->widthInChars + 1; + if (edit->scroll < 0) + edit->scroll = 0; + return; + } + + if ( key == K_INS || key == K_KP_INS ) { + trap_Key_SetOverstrikeMode( !trap_Key_GetOverstrikeMode() ); + return; + } +} + +/* +================== +MField_CharEvent +================== +*/ +void MField_CharEvent( mfield_t *edit, int ch ) { + int len; + + if ( ch == 'v' - 'a' + 1 ) { // ctrl-v is paste + MField_Paste( edit ); + return; + } + + if ( ch == 'c' - 'a' + 1 ) { // ctrl-c clears the field + MField_Clear( edit ); + return; + } + + len = strlen( edit->buffer ); + + if ( ch == 'h' - 'a' + 1 ) { // ctrl-h is backspace + if ( edit->cursor > 0 ) { + memmove( edit->buffer + edit->cursor - 1, + edit->buffer + edit->cursor, len + 1 - edit->cursor ); + edit->cursor--; + if ( edit->cursor < edit->scroll ) + { + edit->scroll--; + } + } + return; + } + + if ( ch == 'a' - 'a' + 1 ) { // ctrl-a is home + edit->cursor = 0; + edit->scroll = 0; + return; + } + + if ( ch == 'e' - 'a' + 1 ) { // ctrl-e is end + edit->cursor = len; + edit->scroll = edit->cursor - edit->widthInChars + 1; + if (edit->scroll < 0) + edit->scroll = 0; + return; + } + + // + // ignore any other non printable chars + // + if ( ch < 32 ) { + return; + } + + if ( !trap_Key_GetOverstrikeMode() ) { + if ((edit->cursor == MAX_EDIT_LINE - 1) || (edit->maxchars && edit->cursor >= edit->maxchars)) + return; + } else { + // insert mode + if (( len == MAX_EDIT_LINE - 1 ) || (edit->maxchars && len >= edit->maxchars)) + return; + memmove( edit->buffer + edit->cursor + 1, edit->buffer + edit->cursor, len + 1 - edit->cursor ); + } + + edit->buffer[edit->cursor] = ch; + if (!edit->maxchars || edit->cursor < edit->maxchars-1) + edit->cursor++; + + if ( edit->cursor >= edit->widthInChars ) + { + edit->scroll++; + } + + if ( edit->cursor == len + 1) { + edit->buffer[edit->cursor] = 0; + } +} + +/* +================== +MField_Clear +================== +*/ +void MField_Clear( mfield_t *edit ) { + edit->buffer[0] = 0; + edit->cursor = 0; + edit->scroll = 0; +} + +/* +================== +MenuField_Init +================== +*/ +void MenuField_Init( menufield_s* m ) { + int l; + int w; + int h; + + MField_Clear( &m->field ); + + if (m->generic.flags & QMF_SMALLFONT) + { + w = SMALLCHAR_WIDTH; + h = SMALLCHAR_HEIGHT; + } + else + { + w = BIGCHAR_WIDTH; + h = BIGCHAR_HEIGHT; + } + + if (m->generic.name) { + l = (strlen( m->generic.name )+1) * w; + } + else { + l = 0; + } + + m->generic.left = m->generic.x - l; + m->generic.top = m->generic.y; + m->generic.right = m->generic.x + w + m->field.widthInChars*w; + m->generic.bottom = m->generic.y + h; +} + +/* +================== +MenuField_Draw +================== +*/ +void MenuField_Draw( menufield_s *f ) +{ + int x; + int y; + int w; + int h; + int style; + qboolean focus; + float *color; + + x = f->generic.x; + y = f->generic.y; + + if (f->generic.flags & QMF_SMALLFONT) + { + w = SMALLCHAR_WIDTH; + h = SMALLCHAR_HEIGHT; + style = UI_SMALLFONT; + } + else + { + w = BIGCHAR_WIDTH; + h = BIGCHAR_HEIGHT; + style = UI_BIGFONT; + } + + if (Menu_ItemAtCursor( f->generic.parent ) == f) { + focus = qtrue; + style |= UI_PULSE; + } + else { + focus = qfalse; + } + + if (f->generic.flags & QMF_GRAYED) + color = text_color_disabled; + else if (focus) + color = text_color_highlight; + else + color = text_color_normal; + + if ( focus ) + { + // draw cursor + UI_FillRect( f->generic.left, f->generic.top, f->generic.right-f->generic.left+1, f->generic.bottom-f->generic.top+1, listbar_color ); + UI_DrawChar( x, y, 13, UI_CENTER|UI_BLINK|style, color); + } + + if ( f->generic.name ) { + UI_DrawString( x - w, y, f->generic.name, style|UI_RIGHT, color ); + } + + MField_Draw( &f->field, x + w, y, style, color ); +} + +/* +================== +MenuField_Key +================== +*/ +sfxHandle_t MenuField_Key( menufield_s* m, int* key ) +{ + int keycode; + + keycode = *key; + + switch ( keycode ) + { + case K_KP_ENTER: + case K_ENTER: + case K_JOY1: + case K_JOY2: + case K_JOY3: + case K_JOY4: + // have enter go to next cursor point + *key = K_TAB; + break; + + case K_TAB: + case K_KP_DOWNARROW: + case K_DOWNARROW: + case K_KP_UPARROW: + case K_UPARROW: + break; + + default: + if ( keycode & K_CHAR_FLAG ) + { + keycode &= ~K_CHAR_FLAG; + + if ((m->generic.flags & QMF_UPPERCASE) && Q_islower( keycode )) + keycode -= 'a' - 'A'; + else if ((m->generic.flags & QMF_LOWERCASE) && Q_isupper( keycode )) + keycode -= 'A' - 'a'; + else if ((m->generic.flags & QMF_NUMBERSONLY) && Q_isalpha( keycode )) + return (menu_buzz_sound); + + MField_CharEvent( &m->field, keycode); + } + else + MField_KeyDownEvent( &m->field, keycode ); + break; + } + + return (0); +} + + |