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dxx-rebirth/ui/menubar.c
zicodxx b94413b91b initial import
2006-03-20 17:12:09 +00:00

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/* $Id: menubar.c,v 1.1.1.1 2006/03/17 19:52:15 zicodxx Exp $ */
/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
#ifdef RCS
static char rcsid[] = "$Id: menubar.c,v 1.1.1.1 2006/03/17 19:52:15 zicodxx Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "conf.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "u_mem.h"
#include "fix.h"
#include "pstypes.h"
#include "gr.h"
#include "ui.h"
#include "key.h"
#include "cfile.h"
#include "mono.h"
#include "func.h"
#include "error.h"
#define MAXMENUS 30
#define MAXITEMS 32
typedef struct {
short x, y, w, h;
char *Text;
char *InactiveText;
short Hotkey;
int (*user_function)(void);
} ITEM;
typedef struct {
short x, y, w, h;
short ShowBar;
short CurrentItem;
short NumItems;
short Displayed;
short Active;
grs_bitmap * Background;
ITEM Item[MAXITEMS];
} MENU;
MENU Menu[MAXMENUS];
static int num_menus = 0;
static int state;
static int menubar_hid;
#define CMENU (Menu[0].CurrentItem+1)
//------------------------- Show a menu item -------------------
void item_show( MENU * menu, int n )
{
ITEM * item = &menu->Item[n];
gr_set_current_canvas(NULL);
// If this is a seperator, then draw it.
if ( item->Text[0] == '-' )
{
gr_setcolor( CBLACK );
gr_urect( item->x, item->y+item->h/2, item->x+item->w-1, item->y+item->h/2 );
return;
}
if ( menu->CurrentItem==n && menu->ShowBar )
{
if ( menu != &Menu[0] )
{
gr_setcolor( CBLACK );
gr_urect( item->x+1, item->y+1, item->x+menu->w-2, item->y+item->h-2 );
}
gr_set_fontcolor( CWHITE, CBLACK );
}else {
if ( menu != &Menu[0] )
{
gr_setcolor( CGREY );
gr_urect( item->x+1, item->y+1, item->x+menu->w-2, item->y+item->h-2 );
}
gr_set_fontcolor( CBLACK, CGREY );
}
if ( menu != &Menu[0] )
{
if ( menu->Active)
gr_ustring( item->x+1, item->y+1, item->Text );
else
gr_ustring( item->x+1, item->y+1, item->InactiveText );
} else {
if ( menu->Active)
gr_ustring( item->x, item->y, item->Text );
else
gr_ustring( item->x, item->y, item->InactiveText );
}
}
//---------------------------- Show a menu ---------------------
void menu_show( MENU * menu )
{
int i;
ui_mouse_hide();
gr_set_current_canvas(NULL);
// Don't save background it if it's already drawn
if (!menu->Displayed)
{
// Save the background
gr_bm_ubitblt(menu->w, menu->h, 0, 0, menu->x, menu->y, &(grd_curscreen->sc_canvas.cv_bitmap), menu->Background);
// Draw the menu background
gr_setcolor( CGREY );
gr_urect( menu->x, menu->y, menu->x + menu->w - 1, menu->y + menu->h - 1 );
if ( menu != &Menu[0] )
{
gr_setcolor( CBLACK );
gr_ubox( menu->x, menu->y, menu->x + menu->w - 1, menu->y + menu->h - 1 );
}
}
// Draw the items
for (i=0; i< menu->NumItems; i++ )
item_show( menu, i );
ui_mouse_show();
// Mark as displayed.
menu->Displayed = 1;
}
//-------------------------- Hide a menu -----------------------
void menu_hide( MENU * menu )
{
// Can't hide if it's not already drawn
if (!menu->Displayed) return;
menu->Active = 0;
// Restore the background
ui_mouse_hide();
gr_bm_ubitblt(menu->w, menu->h, menu->x, menu->y, 0, 0, menu->Background, &(grd_curscreen->sc_canvas.cv_bitmap));
ui_mouse_show();
// Mark as hidden.
menu->Displayed = 0;
}
//------------------------- Move the menu bar ------------------
void menu_move_bar_to( MENU * menu, int number )
{
int old_item;
old_item = menu->CurrentItem;
menu->CurrentItem = number;
if (menu->Displayed && (number != old_item))
{
ui_mouse_hide();
item_show( menu, old_item );
item_show( menu, number );
ui_mouse_show();
}
}
//------------------------ Match keypress to item ------------------
int menu_match_keypress( MENU * menu, int keypress )
{
int i;
char c;
char *letter;
if ((keypress & KEY_CTRLED) || (keypress & KEY_SHIFTED))
return -1;
keypress &= 0xFF;
c = key_to_ascii(keypress);
for (i=0; i< menu->NumItems; i++ )
{
letter = strrchr( menu->Item[i].Text, CC_UNDERLINE );
if (letter)
{
letter++;
if (c==tolower(*letter))
return i;
}
}
return -1;
}
int menu_is_mouse_on( ITEM * item )
{
if ((Mouse.x >= item->x) &&
(Mouse.x < item->x + item->w ) &&
(Mouse.y >= item->y) &&
(Mouse.y <= item->y + item->h ) )
return 1;
else
return 0;
}
int menu_check_mouse_item( MENU * menu )
{
int i;
for (i=0; i<menu->NumItems; i++ )
{
if (menu_is_mouse_on( &menu->Item[i] ))
{
if (menu->Item[i].Text[0] == '-')
return -1;
else
return i;
}
}
return -1;
}
void menu_hide_all()
{
int i;
for (i=1; i<num_menus; i++)
menu_hide( &Menu[i] );
Menu[0].ShowBar = 0;
Menu[0].Active = 0;
menu_show( &Menu[0] );
}
static int state2_alt_down;
void do_state_0( int keypress )
{
int i, j;
Menu[0].Active = 0;
Menu[0].ShowBar = 0;
if (Menu[0].Displayed==0)
menu_show( &Menu[0] );
if ( keypress & KEY_ALTED ) {
i = menu_match_keypress( &Menu[0], keypress );
if (i > -1 )
{
Menu[0].CurrentItem = i;
Menu[0].Active = 0;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].ShowBar = 1;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
}
}
for (i=0; i<num_menus; i++ )
for (j=0; j< Menu[i].NumItems; j++ )
{
if ( Menu[i].Item[j].Hotkey == keypress )
{
if (Menu[i].Item[j].user_function)
Menu[i].Item[j].user_function();
last_keypress = 0;
return;
}
}
if (keyd_pressed[KEY_LALT] || keyd_pressed[KEY_RALT] || ((keypress & 0xFF) == KEY_LALT) )
//if ( (keypress & 0xFF) == KEY_LALT )
{
state = 1;
Menu[0].Active = 1;
menu_show( &Menu[0] );
return;
}
i = menu_check_mouse_item( &Menu[0] );
if ( B1_PRESSED && (i > -1))
{
Menu[0].CurrentItem = i;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[0].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].Active = 0;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
return;
}
}
void do_state_1( int keypress )
{
int i;
if (!keyd_pressed[KEY_LALT] && !keyd_pressed[KEY_RALT] )
{
//state = 2;
//state2_alt_down = 0;
//Menu[0].ShowBar = 1;
//Menu[0].Active = 1;
//menu_show( &Menu[0] );
state = 0;
menu_hide_all();
}
i = menu_match_keypress( &Menu[0], keypress );
if (i > -1 )
{
Menu[0].CurrentItem = i;
Menu[0].Active = 0;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].ShowBar = 1;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
}
i = menu_check_mouse_item( &Menu[0] );
if ( (i == -1) && B1_JUST_RELEASED )
{
state = 0;
menu_hide_all();
}
if ( B1_PRESSED && (i > -1))
{
Menu[0].CurrentItem = i;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].ShowBar = 1;
Menu[0].Active = 0;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
}
}
void do_state_2(int keypress)
{
int i;
if (keyd_pressed[KEY_LALT] || keyd_pressed[KEY_RALT] )
state2_alt_down = 1;
if (!keyd_pressed[KEY_LALT] && !keyd_pressed[KEY_RALT] && state2_alt_down )
{
state = 0;
menu_hide_all();
}
switch( keypress )
{
case KEY_ESC:
state = 0;
menu_hide_all();
break;
case KEY_LEFT:
case KEY_PAD4:
i = Menu[0].CurrentItem-1;
if (i < 0 ) i = Menu[0].NumItems-1;
menu_move_bar_to( &Menu[0], i );
break;
case KEY_RIGHT:
case KEY_PAD6:
i = Menu[0].CurrentItem+1;
if (i >= Menu[0].NumItems ) i = 0;
menu_move_bar_to( &Menu[0], i );
break;
case KEY_ENTER:
case KEY_PADENTER:
case KEY_DOWN:
case KEY_PAD2:
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].Active = 0;
menu_show( &Menu[ 0 ] );
menu_show( &Menu[ CMENU ] );
break;
default:
i = menu_match_keypress( &Menu[0], keypress );
if (i > -1 )
{
Menu[0].CurrentItem = i;
Menu[0].Active = 0;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].ShowBar = 1;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
break;
}
i = menu_check_mouse_item( &Menu[0] );
if ( (i == -1) && B1_JUST_RELEASED )
{
state = 0;
menu_hide_all();
break;
}
if ( B1_PRESSED && (i > -1))
{
Menu[0].CurrentItem = i;
Menu[0].Active = 0;
state = 3;
Menu[ CMENU ].ShowBar = 1;
Menu[ CMENU ].Active = 1;
Menu[0].ShowBar = 1;
menu_show( &Menu[ CMENU ] );
menu_show( &Menu[0] );
break;
}
}
}
void do_state_3( int keypress )
{
int i;
switch( keypress )
{
case KEY_ESC:
state = 0;
menu_hide_all();
break;
case KEY_DOWN:
case KEY_PAD2:
i = Menu[ CMENU ].CurrentItem;
do {
i++;
if ( i >= Menu[ CMENU ].NumItems )
i = 0;
} while( Menu[CMENU].Item[i].Text[0] == '-');
menu_move_bar_to( &Menu[ CMENU ], i );
break;
case KEY_UP:
case KEY_PAD8:
i = Menu[ CMENU ].CurrentItem;
do
{
i--;
if ( i < 0 )
i = Menu[ CMENU ].NumItems-1;
} while( Menu[CMENU].Item[i].Text[0] == '-');
menu_move_bar_to( &Menu[ CMENU ], i );
break;
case KEY_RIGHT:
case KEY_PAD6:
menu_hide( &Menu[ CMENU ] );
i = Menu[0].CurrentItem+1;
if (i >= Menu[0].NumItems ) i = 0;
menu_move_bar_to( &Menu[0], i );
Menu[CMENU].ShowBar = 1;
Menu[CMENU].Active = 1;
menu_show( &Menu[CMENU] );
break;
case KEY_LEFT:
case KEY_PAD4:
menu_hide( &Menu[ CMENU ] );
i = Menu[0].CurrentItem-1;
if (i < 0 ) i = Menu[0].NumItems-1;
menu_move_bar_to( &Menu[0], i );
Menu[ CMENU ].ShowBar = 1;
Menu[CMENU].Active = 1;
menu_show( &Menu[ CMENU ] );
break;
case KEY_ENTER:
case KEY_PADENTER:
state = 0;
menu_hide_all();
if (Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function)
Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function();
break;
default:
i = menu_match_keypress( &Menu[ CMENU ], keypress );
if (i > -1 )
{
menu_move_bar_to( &Menu[ CMENU ], i );
state = 0;
menu_hide_all();
if (Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function)
Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function();
break;
}
i = menu_check_mouse_item( &Menu[CMENU] );
if (i > -1 )
{
if ( B1_PRESSED )
menu_move_bar_to( &Menu[ CMENU ], i );
else if ( B1_JUST_RELEASED )
{
menu_move_bar_to( &Menu[ CMENU ], i );
state = 0;
menu_hide_all();
if (Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function)
Menu[CMENU].Item[ Menu[CMENU].CurrentItem ].user_function();
break;
}
} else {
i = menu_check_mouse_item( &Menu[0] );
if ( B1_PRESSED && (i > -1))
{
if ( Menu[0].CurrentItem != i) {
menu_hide( &Menu[ CMENU ] );
menu_move_bar_to( &Menu[0], i );
Menu[ CMENU ].ShowBar = 1;
Menu[CMENU].Active = 1;
menu_show( &Menu[ CMENU ] );
break;
}
}
if ( B1_JUST_RELEASED )
{
state = 0;
menu_hide_all();
break;
}
}
}
}
void menubar_do( int keypress )
{
if (menubar_hid) return;
keypress = keypress;
do_state_0(last_keypress);
while (state > 0 )
{
ui_mega_process();
switch(state)
{
case 1:
do_state_1(last_keypress);
break;
case 2:
do_state_2(last_keypress);
break;
case 3:
do_state_3(last_keypress);
break;
default:
state = 0;
}
last_keypress = 0;
gr_update();
}
}
void CommaParse( int n, char * dest, char * source )
{
int i = 0, j=0, cn = 0;
// Go to the n'th comma
while (cn < n )
if (source[i++] == ',' )
cn++;
// Read all the whitespace
while ( source[i]==' ' || source[i]=='\t' || source[i]==13 || source[i]==10 )
i++;
// Read up until the next comma
while ( source[i] != ',' )
{
dest[j] = source[i++];
j++;
}
// Null-terminate
dest[j++] = 0;
}
//translate '&' characters to the underline character
void ul_xlate(char *s)
{
while ((s=strchr(s,'&'))!=NULL)
*s = CC_UNDERLINE;
}
void menubar_init( char * file )
{
int i,j, np;
int aw, w, h;
CFILE * infile;
char buffer[200];
char buf1[200];
char buf2[200];
int menu, item;
num_menus = state = 0;
for (i=0; i < MAXMENUS; i++ )
{
Menu[i].x = Menu[i].y = Menu[i].w = Menu[i].h = 0;
Menu[i].ShowBar = 0;
Menu[i].CurrentItem = 0;
Menu[i].NumItems = 0;
Menu[i].Displayed = 0;
Menu[i].Background = 0;
for (j=0; j< MAXITEMS; j++ )
{
Menu[i].Item[j].x = Menu[i].Item[j].y = Menu[i].Item[j].w = Menu[i].Item[j].h = 0;
Menu[i].Item[j].Text = NULL;
Menu[i].Item[j].Hotkey = -1;
Menu[i].Item[j].user_function = NULL;
}
}
infile = cfopen( file, "rt" );
if (!infile) return;
while ( cfgets( buffer, 200, infile) != NULL )
{
if ( buffer[0] == ';' ) continue;
//mprintf( 0, "%s\n", buffer );
CommaParse( 0, buf1, buffer );
menu = atoi( buf1 );
if (menu >= MAXMENUS)
Error("Too many menus (%d).",menu);
CommaParse( 1, buf1, buffer );
item = atoi(buf1 );
if (item >= MAXITEMS)
Error("Too many items (%d) in menu %d.",item+1,menu);
CommaParse( 2, buf1, buffer );
ul_xlate(buf1);
if (buf1[0] != '-' )
{
sprintf( buf2, " %s ", buf1 );
Menu[menu].Item[item].Text = d_strdup(buf2);
} else
Menu[menu].Item[item].Text = d_strdup(buf1);
Menu[menu].Item[item].InactiveText = d_strdup(Menu[menu].Item[item].Text);
j= 0;
for (i=0; i<=strlen(Menu[menu].Item[item].Text); i++ )
{
np = Menu[menu].Item[item].Text[i];
if (np != CC_UNDERLINE)
Menu[menu].Item[item].InactiveText[j++] = np;
}
CommaParse( 3, buf1, buffer );
if (buf1[0]=='{' && buf1[1] =='}')
Menu[menu].Item[item].Hotkey = -1;
else {
i = DecodeKeyText(buf1);
if (i<1) {
Error("Unknown key, %s, in %s\n", buf1, file );
} else {
Menu[menu].Item[item].Hotkey = i;
}
}
CommaParse( 4, buf1, buffer );
if (strlen(buf1))
{
Menu[menu].Item[item].user_function = func_get(buf1, &np);
// if (!strcmp(buf1,"do-wall-dialog")) {
// mprintf( 0, "Found function %s\n", buf1);
// mprintf( 0, "User function %s\n", Menu[menu].Item[item].user_function);
// }
if (Menu[menu].Item[item].user_function==NULL)
{
Error( "Unknown function, %s, in %s\n", buf1, file );
//MessageBox( -2, -2, 1, buffer, "Ok" );
}
}
Menu[menu].Item[item].x = Menu[menu].x;
Menu[menu].Item[item].y = Menu[menu].y;
if ( Menu[menu].Item[item].Text[0] == '-' )
{
w = 1; h = 3;
} else {
gr_get_string_size( Menu[menu].Item[item].Text, &w, &h, &aw );
w += 2;
h += 2;
}
if (menu==0) {
Menu[0].h = h;
Menu[0].Item[item].x = Menu[0].x + Menu[0].w;
Menu[0].Item[item].y = Menu[0].y;
Menu[item+1].x = Menu[0].x + Menu[0].w;
Menu[item+1].y = Menu[0].h - 2;
Menu[0].Item[item].w = w;
Menu[0].Item[item].h = h;
Menu[0].w += w;
}else {
if ( w > Menu[menu].w )
{
Menu[menu].w = w;
for (i=0; i< Menu[menu].NumItems; i++ )
Menu[menu].Item[i].w = Menu[menu].w;
}
Menu[menu].Item[item].w = Menu[menu].w;
Menu[menu].Item[item].x = Menu[menu].x;
Menu[menu].Item[item].y = Menu[menu].y+Menu[menu].h;
Menu[menu].Item[item].h = h;
Menu[menu].h += h;
}
if ( item >= Menu[menu].NumItems )
{
Menu[menu].NumItems = item+1;
}
if ( menu >= num_menus )
num_menus = menu+1;
}
Menu[0].w = 700;
cfclose( infile );
for (i=0; i<num_menus; i++ )
Menu[i].Background = gr_create_bitmap(Menu[i].w, Menu[i].h );
menubar_hid = 1;
}
void menubar_hide()
{
menubar_hid = 1;
state = 0;
menu_hide_all();
menu_hide( &Menu[0] );
}
void menubar_show()
{
menubar_hid = 0;
menu_show( &Menu[0] );
}
void menubar_close()
{
int i;
//menu_hide_all();
//menu_hide( &Menu[0] );
for (i=0; i<num_menus; i++ )
gr_free_bitmap( Menu[i].Background );
}
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