Piper's Pit BBS/FTP: ibm 0040 - 0049/ibm0040-0049/ibm0040.tar/ibm0040/ZINC_6.ZIP/DOSSRC.ZIP/PLLDN1.CPP

C/C++ Source or Header | 1991-06-01 | 4.6 KB | 154 lines

//    Zinc Interface Library - PULLDN1.CPP
//    COPYRIGHT (C) 1990, 1991.  All Rights Reserved.
//    Zinc Software Incorporated.  Pleasant Grove, Utah  USA

#include "ui_win.hpp"
#include <string.h>

#pragma argsused
void UIW_PULL_DOWN_ITEM::UserFunction(UI_EVENT &event)
{
    woStatus &= ~WOS_SELECTED;
    if (!menu.First())
        return;

    for (UIW_POP_UP_ITEM *item = menu.First(); item; item = item->Next())
        item->woStatus &= ~WOS_CURRENT;

    menu.true.left = (!previous && !display->isText) ? true.left - 1 : true.left;
    menu.true.top = true.bottom + 1;
    menu.true.right = menu.true.bottom = 0x0FFF;
    if (display->isText)
        menu.woStatus &= ~WOS_GRAPHICS;
    else
        menu.woStatus |= WOS_GRAPHICS;
    event.type = S_CLOSE_TEMPORARY;
    windowManager->Event(event);
    *windowManager + &menu;
}

UIW_PULL_DOWN_ITEM::UIW_PULL_DOWN_ITEM(char *_string, USHORT _mnFlags,
    void (*_userFunction)(void *object, UI_EVENT &event), USHORT _value) :
    UIW_BUTTON(0, 0, strlen(_string), _string, BTF_DOWN_CLICK | BTF_NO_TOGGLE | BTF_NO_3D,
        WOF_NON_FIELD_REGION, UIW_PULL_DOWN_ITEM::PullDownUserFunction, _value),
    menu(0, 0, _mnFlags | MNF_SELECT_LEFT | MNF_SELECT_RIGHT, WOF_BORDER, WOAF_TEMPORARY | WOAF_NO_DESTROY)
{
    // Initialize the menu item information.
    windowID[0] = ID_PULL_DOWN_ITEM;
    windowID[1] = ID_MENU_ITEM;
    windowID[2] = ID_BUTTON;
    search.type = ID_PULL_DOWN_ITEM;

    woFlags &= ~WOF_BORDER;
    userFunction = _userFunction ? _userFunction : UIW_PULL_DOWN_ITEM::PullDownUserFunction;
}

UIW_PULL_DOWN_ITEM::UIW_PULL_DOWN_ITEM(char *_string, USHORT _mnFlags, UI_ITEM *flagItem) :
    UIW_BUTTON(0, 0, strlen(_string), _string, BTF_DOWN_CLICK | BTF_NO_TOGGLE | BTF_NO_3D,
        WOF_NON_FIELD_REGION, UIW_PULL_DOWN_ITEM::PullDownUserFunction, 0),
    menu(0, 0, _mnFlags | MNF_SELECT_LEFT | MNF_SELECT_RIGHT, WOF_BORDER, WOAF_TEMPORARY | WOAF_NO_DESTROY)
{
    // Initialize the menu item information.
    windowID[0] = ID_PULL_DOWN_ITEM;
    windowID[1] = ID_MENU_ITEM;
    windowID[2] = ID_BUTTON;
    search.type = ID_PULL_DOWN_ITEM;

    woFlags &= ~WOF_BORDER;
    userFunction = UIW_PULL_DOWN_ITEM::PullDownUserFunction;
    for (int i = 0; flagItem[i].string; i++)
    {
        UIW_POP_UP_ITEM *item = (flagItem[i].string[0] != '\0') ?
            new UIW_POP_UP_ITEM(flagItem[i].string, MNIF_NO_FLAGS,
                BTF_NO_TOGGLE, WOF_NO_FLAGS, flagItem[i].userFunction) :
            new UIW_POP_UP_ITEM;
        item->value = flagItem[i].value;
        menu.Add(item);
    }
}

void UIW_PULL_DOWN_ITEM::DataSet(char *newString)
{
    // Reset the button's string information.
    if (newString)
    {
        if (FlagSet(woFlags, WOF_NO_ALLOCATE_DATA))
            string = newString;
        else
        {
            if (string)
                delete string;
            string = (newString) ? ui_strdup(newString) : 0;
        }
    }
    UI_WINDOW_OBJECT::Redisplay(TRUE);
}

UIW_PULL_DOWN_ITEM::Event(const UI_EVENT &event)
{
    int ccode = event.type;
    switch (ccode)
    {
    case S_CREATE:
        menu.InformationSet(-screenID, display, eventManager, windowManager,
            paletteMapTable, this);
        relative.left = relative.top = 0;
        relative.right = display->TextWidth(string) - 1;
        if (strchr(string, '~'))
            relative.right -= display->cellWidth;
        relative.bottom = display->cellHeight - 1;
        if (display->isText)
            woStatus &= ~WOS_GRAPHICS;
        else
            woStatus |= WOS_GRAPHICS;
        ccode = UIW_BUTTON::Event(event);
        break;

    default:
        ccode = UIW_BUTTON::Event(event);
        break;
    }

    // Return the event control code.
    return (ccode);
}

void *UIW_PULL_DOWN_ITEM::Information(INFORMATION_REQUEST request, void *data)
{
    if (request == GET_NUMBERID_OBJECT || request == GET_STRINGID_OBJECT)
        return (menu.Information(request, data));
    else if (request == PRINT_INFORMATION)
    {
        UI_WINDOW_OBJECT::Information(request, data);
        return (menu.Information(request, data));
    }
    else
        return (UI_WINDOW_OBJECT::Information(request, data));
}

#ifdef ZIL_LOAD
UIW_PULL_DOWN_ITEM::UIW_PULL_DOWN_ITEM(const char *name, UI_STORAGE *file, USHORT loadFlags) :
    UIW_BUTTON(name, file, loadFlags | L_SUB_LEVEL), menu(0, file, L_SUB_LEVEL)
{
    windowID[0] = ID_PULL_DOWN_ITEM;
    windowID[1] = ID_MENU_ITEM;
    windowID[2] = ID_BUTTON;

    userFunction = UIW_PULL_DOWN_ITEM::PullDownUserFunction;
    if (!file)
        file = _storage;
    if (!FlagSet(loadFlags, L_SUB_LEVEL) && FlagSet(file->stStatus, STS_TEMPORARY))
        delete file;
}
#endif

#ifdef ZIL_STORE
void UIW_PULL_DOWN_ITEM::Store(const char *name, UI_STORAGE *file, USHORT storeFlags)
{
    UIW_BUTTON::Store(name, file, storeFlags | S_SUB_LEVEL);
    menu.Store(0, file, S_SUB_LEVEL | S_SKIP_TYPE);
    if (!FlagSet(storeFlags, S_SUB_LEVEL))
        file->ObjectSize(name, search);
}
#endif