Nebula 1995 August/NEBULA.mdf/SourceCode/MiscKit1.2.6/Source/MiscExplodingMenu.m

Text File | 1994-05-15 | 4.7 KB | 197 lines

/*************************************************************************
*    Copyright (c) 1994 Stone Design Corp.  All rights reserved.
*    programmer:    Andrew C. Stone
*    File name:    MiscExplodingMenu.h
*    Date:        May 2 1994
*    Purpose:    To show and hide all the menus in your application
*     This code may be used freely provided you leave this copyright in place
*   This code is licensed under the terms of the MiscKit license.
***************************************************************************/

#import <misckit/MiscExplodingMenu.h>
#import <objc/NXBundle.h>
#import <appkit/Application.h>
#import <appkit/Matrix.h>
#import <appkit/MenuCell.h>

#define EXPLODE_TITLE NXLocalizedStringFromTable("stoneLib","Show Menus",NULL,"Show Menus menu title to show all of the menus in an app.")

#define IMPLODE_TITLE NXLocalizedStringFromTable("stoneLib","Hide Menus",NULL,"Hide Menus menu title")

#define SERVICES_TITLE NXLocalizedStringFromTable("stoneLib","Services",NULL,"Services menu title")

// Menu needs to be alerted when you rip off a menu so that it gets the close
// box

@interface Menu(MyMenu)
- setAttached;
@end

@implementation Menu(MyMenu)
- setAttached;
{
    menuFlags.attached = 1;
    return self;
}
@end


@implementation MiscExplodingMenu

static float largest;

+ sharedInstance
{
    static id sharedInstance = nil;

    if (sharedInstance) {
        return sharedInstance;
    } else {
        NXZone *zone = NXApp ? [NXApp zone] : NXDefaultMallocZone();
    sharedInstance=[[super allocFromZone:zone] init];
    }

    return sharedInstance;
}

+ new
{
    return [self sharedInstance];
}

- free
{
    return self;
}

- init
{
    [super init];
    return self;
}

- recursiveExplode:(Menu *)menu where:(float *)left :(float *)y not:orig
{
    id list,sub;
    int i,count;
    NXRect frame;
    float wid;
    NXEvent bogusEvent;
    NXSize sz;

    [NXApp getScreenSize:&sz];

    /* if we get to services menu, stop, else leaves poop */
    if (!strcmp([menu title], SERVICES_TITLE)) return self;
    /* this line is required because NEXT does not translate the services menu.. */
    if (!strcmp([menu title], "Services")) return self;

    /* first, emulate a move to get the closebox since there is no UI to do so */

    [menu getFrame:&frame];
    wid = frame.size.width;

    // this caused more problems than it was worth! so let's add a closebox
    if (menu != [NXApp mainMenu] /* && menu != orig */) {
    [menu setAttached];

    bogusEvent.location.x = frame.origin.x + 3.;    // must be different
    bogusEvent.location.y = frame.origin.y + 3.;    // ditto
    [menu windowMoved:&bogusEvent];

    [menu moveTopLeftTo:*left :*y];
    [menu orderFront:self];
    }
    if (wid+*left>sz.width) {
    *left = 0.;
    *y -= (largest);
    [menu moveTopLeftTo:*left :*y];
    *left += wid;
    } else *left += wid;

    list = [menu itemList];
    count = [list cellCount];

    for (i = 0;i<count;i++) {
    if ([(sub =[list cellAt:i :0]) hasSubmenu]) {
    [self recursiveExplode:[sub  target] where:left :y not:orig];
    }
    }
    return self;
}


- recursiveImplode:menu not:parent
{
    id list,sub;
    int i,count;
    float top;
    BOOL isTornOff;
    NXRect r;
    NXSize sz;

    [menu getFrame:&r];
    [NXApp getScreenSize:&sz];

    top = r.origin.y+r.size.height;
    isTornOff =!(((sz.height - top) <1.) || top == sz.height -largest ||
                top == sz.height - 2*largest);

    list = [menu itemList];
    count = [list cellCount];
    for (i = 0;i<count;i++) {
    if ([(sub =[list cellAt:i :0]) hasSubmenu]) {
    [self recursiveImplode:[sub target] not:parent];
    }
    }

    /* If it has not been moved or is not NXApp or parent, close it */

    if (!isTornOff && menu != [NXApp mainMenu] && menu!=parent) [menu close];

    return self;
}


- _explodeMenus:sender
{
    const char *which = [[sender selectedCell]title];
    if (which) {
    if (!strcmp(which,EXPLODE_TITLE)) {
        NXSize sz;
        float x = -1.,y;
        NXRect r;

        [[NXApp mainMenu]getFrame:&r];
        [NXApp getScreenSize:&sz];
        y = sz.height;

        largest = r.size.height +2.;
        [sender setTitle:IMPLODE_TITLE at:[sender selectedRow] :0];
        [self recursiveExplode:(Menu *)[NXApp mainMenu] where:&x :&y
            not:[sender window]];
        [[sender window] display];
    }
    else {
        [self recursiveImplode:[NXApp mainMenu] not:[sender window]];
        [sender setTitle:EXPLODE_TITLE at:[sender selectedRow] :0];
        [[sender window] display];
    }
    }
    return self;
}



/* FINALLY: actual called routine */
/* this delay stuff sort of solves the problem..... */
- explodeMenus:sender
{
    [self perform:@selector(_explodeMenus:) with:sender
        afterDelay:.01 cancelPrevious:YES];
    return self;
}


@end