Support for Windows PuTTY connecting straight to a local serial port

[u/mdw/putty] / mac / macctrls.c

/* $Id$ */
/*
 * Copyright (c) 2003 Ben Harris
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <MacTypes.h>
#include <Appearance.h>
#include <ColorPicker.h>
#include <Controls.h>
#include <ControlDefinitions.h>
#include <Events.h>
#include <Lists.h>
#include <Menus.h>
#include <Resources.h>
#include <Script.h>
#include <Sound.h>
#include <TextEdit.h>
#include <TextUtils.h>
#include <ToolUtils.h>
#include <Windows.h>

#include <assert.h>
#include <string.h>

#include "putty.h"
#include "mac.h"
#include "macresid.h"
#include "dialog.h"
#include "tree234.h"

/* Range of menu IDs for popup menus */
#define MENU_MIN        1024
#define MENU_MAX        2048


union macctrl {
    struct macctrl_generic {
        enum {
            MACCTRL_TEXT,
            MACCTRL_EDITBOX,
            MACCTRL_RADIO,
            MACCTRL_CHECKBOX,
            MACCTRL_BUTTON,
            MACCTRL_LISTBOX,
            MACCTRL_POPUP,
            MACCTRL_GROUPBOX
        } type;
        /* Template from which this was generated */
        union control *ctrl;
        /* Next control in this panel */
        union macctrl *next;
        void *privdata;
        int freeprivdata;
    } generic;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
    } text;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
        ControlRef tblabel;
        ControlRef tbbutton;
        MenuRef menu;
        int menuid;
        unsigned int nids;
        int *ids;
    } editbox;
    struct {
        struct macctrl_generic generic;
        ControlRef *tbctrls;
        ControlRef tblabel;
    } radio;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
    } checkbox;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
        ControlRef tbring;
    } button;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
        ControlRef tbup;
        ControlRef tbdown;
        ListHandle list;
        unsigned int nids;
        int *ids;
    } listbox;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
        MenuRef menu;
        int menuid;
        unsigned int nids;
        int *ids;
    } popup;
    struct {
        struct macctrl_generic generic;
        ControlRef tbctrl;
    } groupbox;
};

struct mac_layoutstate {
    Point pos;
    Point boxpos;
    char *boxname;
    unsigned int width;
    unsigned int panelnum;
};

#define ctrlevent(mcs, mc, event) do {                                  \
    if ((mc)->generic.ctrl->generic.handler != NULL)                    \
        (*(mc)->generic.ctrl->generic.handler)((mc)->generic.ctrl, (mcs),\
                                               (mcs)->data, (event));   \
} while (0)

#define findbyctrl(mcs, ctrl)                                           \
    find234((mcs)->byctrl, (ctrl), macctrl_cmp_byctrl_find)

static void macctrl_layoutset(struct mac_layoutstate *, struct controlset *, 
                              WindowPtr, struct macctrls *);
static void macctrl_hideshowpanel(struct macctrls *, unsigned int, int);
static void macctrl_switchtopanel(struct macctrls *, unsigned int);
static void macctrl_setfocus(struct macctrls *, union macctrl *);
static void macctrl_text(struct macctrls *, WindowPtr,
                         struct mac_layoutstate *, union control *);
static void macctrl_editbox(struct macctrls *, WindowPtr,
                            struct mac_layoutstate *, union control *);
static void macctrl_radio(struct macctrls *, WindowPtr,
                          struct mac_layoutstate *, union control *);
static void macctrl_checkbox(struct macctrls *, WindowPtr,
                             struct mac_layoutstate *, union control *);
static void macctrl_button(struct macctrls *, WindowPtr,
                           struct mac_layoutstate *, union control *);
static void macctrl_listbox(struct macctrls *, WindowPtr,
                            struct mac_layoutstate *, union control *);
static void macctrl_popup(struct macctrls *, WindowPtr,
                          struct mac_layoutstate *, union control *);
static void macctrl_groupbox(struct macctrls *, WindowPtr,
                             struct mac_layoutstate *, union control *);
static void draglist_up(union macctrl *, struct macctrls *);
static void draglist_down(union macctrl *, struct macctrls *);

#if !TARGET_API_MAC_CARBON
static pascal SInt32 macctrl_sys7_editbox_cdef(SInt16, ControlRef,
                                               ControlDefProcMessage, SInt32);
static pascal SInt32 macctrl_sys7_default_cdef(SInt16, ControlRef,
                                               ControlDefProcMessage, SInt32);
static pascal SInt32 macctrl_sys7_listbox_cdef(SInt16, ControlRef,
                                               ControlDefProcMessage, SInt32);
static pascal SInt32 macctrl_sys7_groupbox_cdef(SInt16, ControlRef,
                                                ControlDefProcMessage, SInt32);
#endif

#if !TARGET_API_MAC_CARBON
/*
 * This trick enables us to keep all the CDEF code in the main
 * application, which makes life easier.  For details, see
 * <http://developer.apple.com/technotes/tn/tn2003.html#custom_code_base>.
 */

#pragma options align=mac68k
typedef struct {
    short               jmpabs; /* 4EF9 */
    ControlDefUPP       theUPP;
} **PatchCDEF;
#pragma options align=reset
#endif

static void macctrl_init()
{
#if !TARGET_API_MAC_CARBON
    static int inited = 0;
    PatchCDEF cdef;

    if (inited) return;
    cdef = (PatchCDEF)GetResource(kControlDefProcResourceType, CDEF_EditBox);
    (*cdef)->theUPP = NewControlDefProc(macctrl_sys7_editbox_cdef);
    cdef = (PatchCDEF)GetResource(kControlDefProcResourceType, CDEF_Default);
    (*cdef)->theUPP = NewControlDefProc(macctrl_sys7_default_cdef);
    cdef = (PatchCDEF)GetResource(kControlDefProcResourceType, CDEF_ListBox);
    (*cdef)->theUPP = NewControlDefProc(macctrl_sys7_listbox_cdef);
    cdef = (PatchCDEF)GetResource(kControlDefProcResourceType, CDEF_GroupBox);
    (*cdef)->theUPP = NewControlDefProc(macctrl_sys7_groupbox_cdef);
    inited = 1;
#endif
}


static int macctrl_cmp_byctrl(void *av, void *bv)
{
    union macctrl *a = (union macctrl *)av;
    union macctrl *b = (union macctrl *)bv;

    if (a->generic.ctrl < b->generic.ctrl)
        return -1;
    else if (a->generic.ctrl > b->generic.ctrl)
        return +1;
    else
        return 0;
}

static int macctrl_cmp_byctrl_find(void *av, void *bv)
{
    union control *a = (union control *)av;
    union macctrl *b = (union macctrl *)bv;

    if (a < b->generic.ctrl)
        return -1;
    else if (a > b->generic.ctrl)
        return +1;
    else
        return 0;
}

static union control panellist;

static void panellist_handler(union control *ctrl, void *dlg, void *data,
                              int event)
{
    struct macctrls *mcs = dlg;

    /* XXX what if there's no selection? */
    if (event == EVENT_SELCHANGE)
        macctrl_switchtopanel(mcs, dlg_listbox_index(ctrl, dlg) + 1);
}

void macctrl_layoutbox(struct controlbox *cb, WindowPtr window,
                       struct macctrls *mcs)
{
    int i;
    struct mac_layoutstate curstate;
    ControlRef root;
    Rect rect;

    macctrl_init();
    if (mac_gestalts.apprvers >= 0x100)
        CreateRootControl(window, &root);
#if TARGET_API_MAC_CARBON
    GetPortBounds(GetWindowPort(window), &rect);
#else
    rect = window->portRect;
#endif
    mcs->window = window;
    mcs->byctrl = newtree234(macctrl_cmp_byctrl);
    mcs->focus = NULL;
    mcs->defbutton = NULL;
    mcs->canbutton = NULL;
    mcs->curpanel = 1;
    /* Count the number of panels */
    mcs->npanels = 1;
    for (i = 1; i < cb->nctrlsets; i++)
        if (strcmp(cb->ctrlsets[i]->pathname, cb->ctrlsets[i-1]->pathname))
            mcs->npanels++;
    mcs->panels = snewn(mcs->npanels, union macctrl *);
    memset(mcs->panels, 0, sizeof(*mcs->panels) * mcs->npanels);
    curstate.panelnum = 0;

    curstate.pos.h = rect.left + 13;
    curstate.pos.v = rect.top + 13;
    curstate.width = 160;
    panellist.listbox.type = CTRL_LISTBOX;
    panellist.listbox.handler = &panellist_handler;
    panellist.listbox.height = 20;
    panellist.listbox.percentwidth = 100;
    macctrl_listbox(mcs, window, &curstate, &panellist);
    /* XXX Start with panel 1 active */

    curstate.pos.h = rect.left + 13 + 160 + 13;
    curstate.pos.v = rect.bottom - 33;
    curstate.width = rect.right - (rect.left + 13 + 160) - (13 * 2);
    for (i = 0; i < cb->nctrlsets; i++) {
        if (i > 0 && strcmp(cb->ctrlsets[i]->pathname,
                            cb->ctrlsets[i-1]->pathname)) {
            curstate.pos.v = rect.top + 13;
            curstate.panelnum++;
            assert(curstate.panelnum < mcs->npanels);
            dlg_listbox_add(&panellist, mcs, cb->ctrlsets[i]->pathname);
        }
        macctrl_layoutset(&curstate, cb->ctrlsets[i], window, mcs);
    }
    macctrl_switchtopanel(mcs, 1);
    macctrl_hideshowpanel(mcs, 0, TRUE);
    /* 14 = proxies, 19 = portfwd, 20 = SSH bugs */
}



#define MAXCOLS 16

static void macctrl_layoutset(struct mac_layoutstate *curstate,
                              struct controlset *s,
                              WindowPtr window, struct macctrls *mcs)
{
    unsigned int i, j, ncols, colstart, colspan;
    struct mac_layoutstate cols[MAXCOLS], pos;

    /* Start a containing box, if we have a boxname. */
    if (s->boxname && *s->boxname) {
        curstate->boxpos = curstate->pos;
        if (s->boxtitle) {
            curstate->boxname = s->boxtitle;
            curstate->pos.v += 10; /* XXX determine font height */
        } else {
            curstate->boxname = NULL;
        }
        curstate->pos.v += 6;
        curstate->pos.h += 12;
        curstate->width -= 24;
    }

    /* Draw a title, if we have one. */
    if (!s->boxname && s->boxtitle) {
        union control *ctrl = snew(union control);
        ctrl->generic.handler = NULL;
        ctrl->text.label = dupstr(s->boxtitle);
        macctrl_text(mcs, window, curstate, ctrl);
        /* FIXME: should be highlighted, centred or boxed */
    }

    cols[0] = *curstate;
    ncols = 1;

    for (i = 0; i < s->ncontrols; i++) {
        union control *ctrl = s->ctrls[i];

        colstart = COLUMN_START(ctrl->generic.column);
        colspan = COLUMN_SPAN(ctrl->generic.column);
        if (ctrl->generic.type == CTRL_COLUMNS) {
            if (ctrl->columns.ncols != 1) {
                ncols = ctrl->columns.ncols;
                assert(ncols <= MAXCOLS);
                for (j = 0; j < ncols; j++) {
                    cols[j] = cols[0];
                    if (j > 0)
                        cols[j].pos.h = cols[j-1].pos.h + cols[j-1].width + 6;
                    if (j == ncols - 1)
                        cols[j].width = curstate->width -
                            (cols[j].pos.h - curstate->pos.h);
                    else
                        cols[j].width = (curstate->width + 6) * 
                            ctrl->columns.percentages[j] / 100 - 6;
                }
            } else {
                for (j = 0; j < ncols; j++)
                    if (cols[j].pos.v > cols[0].pos.v)
                        cols[0].pos.v = cols[j].pos.v;
                cols[0].width = curstate->width;
                ncols = 1;
            }
        } else {
            pos = cols[colstart];
            pos.width = cols[colstart + colspan - 1].width +
                (cols[colstart + colspan - 1].pos.h - cols[colstart].pos.h);

            for (j = colstart; j < colstart + colspan; j++)
                if (pos.pos.v < cols[j].pos.v)
                    pos.pos.v = cols[j].pos.v;

            switch (ctrl->generic.type) {
              case CTRL_TEXT:
                macctrl_text(mcs, window, &pos, ctrl);
                break;
              case CTRL_EDITBOX:
                macctrl_editbox(mcs, window, &pos, ctrl);
                break;
              case CTRL_RADIO:
                macctrl_radio(mcs, window, &pos, ctrl);
                break;
              case CTRL_CHECKBOX:
                macctrl_checkbox(mcs, window, &pos, ctrl);
                break;
              case CTRL_BUTTON:
                macctrl_button(mcs, window, &pos, ctrl);
                break;
              case CTRL_LISTBOX:
                if (ctrl->listbox.height == 0)
                    macctrl_popup(mcs, window, &pos, ctrl);
                else
                    macctrl_listbox(mcs, window, &pos, ctrl);
                break;
            }
            for (j = colstart; j < colstart + colspan; j++)
                cols[j].pos.v = pos.pos.v;
        }
    }
    for (j = 0; j < ncols; j++)
        if (cols[j].pos.v > curstate->pos.v)
            curstate->pos.v = cols[j].pos.v;

    if (s->boxname && *s->boxname) {
        union control *ctrl = snew(union control);
        /* We're coming out of a box, so set the width back */
        curstate->pos.h -= 12;
        curstate->width += 24;
        /* And draw the box to the original width */
        macctrl_groupbox(mcs, window, curstate, ctrl);
    }
}

static void macctrl_hideshowpanel(struct macctrls *mcs, unsigned int panel,
                                  int showit)
{
    union macctrl *mc;
    int j;

#define hideshow(c) do {                                                \
    if (showit) ShowControl(c); else HideControl(c);                    \
} while (0)

    for (mc = mcs->panels[panel]; mc != NULL; mc = mc->generic.next) {
#if !TARGET_API_MAC_CARBON
        if (mcs->focus == mc)
            macctrl_setfocus(mcs, NULL);
#endif
        switch (mc->generic.type) {
          case MACCTRL_TEXT:
            hideshow(mc->text.tbctrl);
            break;
          case MACCTRL_EDITBOX:
            hideshow(mc->editbox.tbctrl);
            if (mc->editbox.tblabel != NULL)
                hideshow(mc->editbox.tblabel);
            if (mc->editbox.tbbutton != NULL)
                hideshow(mc->editbox.tbbutton);
            break;
          case MACCTRL_RADIO:
            for (j = 0; j < mc->generic.ctrl->radio.nbuttons; j++)
                hideshow(mc->radio.tbctrls[j]);
            if (mc->radio.tblabel != NULL)
                hideshow(mc->radio.tblabel);
            break;
          case MACCTRL_CHECKBOX:
            hideshow(mc->checkbox.tbctrl);
            break;
          case MACCTRL_BUTTON:
            hideshow(mc->button.tbctrl);
            if (mc->button.tbring != NULL)
                hideshow(mc->button.tbring);
            break;
          case MACCTRL_LISTBOX:
            hideshow(mc->listbox.tbctrl);
            if (mc->listbox.tbup != NULL)
                hideshow(mc->listbox.tbup);
            if (mc->listbox.tbdown != NULL)
                hideshow(mc->listbox.tbdown);
            /*
             * At least under Mac OS 8.1, hiding a list box
             * doesn't hide its scroll bars.
             */
#if TARGET_API_MAC_CARBON
            hideshow(GetListVerticalScrollBar(mc->listbox.list));
#else
            hideshow((*mc->listbox.list)->vScroll);
#endif
            break;
          case MACCTRL_POPUP:
            hideshow(mc->popup.tbctrl);
            break;
          case MACCTRL_GROUPBOX:
            hideshow(mc->groupbox.tbctrl);
            break;
        }
    }
}

static void macctrl_switchtopanel(struct macctrls *mcs, unsigned int which)
{

    macctrl_hideshowpanel(mcs, mcs->curpanel, FALSE);
    macctrl_hideshowpanel(mcs, which, TRUE);
    mcs->curpanel = which;
}

#if !TARGET_API_MAC_CARBON
/*
 * System 7 focus manipulation
 */
static void macctrl_defocus(union macctrl *mc)
{

    assert(mac_gestalts.apprvers < 0x100);
    switch (mc->generic.type) {
      case MACCTRL_EDITBOX:
        TEDeactivate((TEHandle)(*mc->editbox.tbctrl)->contrlData);
        break;
    }
}

static void macctrl_enfocus(union macctrl *mc)
{

    assert(mac_gestalts.apprvers < 0x100);
    switch (mc->generic.type) {
      case MACCTRL_EDITBOX:
        TEActivate((TEHandle)(*mc->editbox.tbctrl)->contrlData);
        break;
    }
}

static void macctrl_setfocus(struct macctrls *mcs, union macctrl *mc)
{

    if (mcs->focus == mc)
        return;
    if (mcs->focus != NULL)
        macctrl_defocus(mcs->focus);
    mcs->focus = mc;
    if (mc != NULL)
        macctrl_enfocus(mc);
}
#endif

static void macctrl_text(struct macctrls *mcs, WindowPtr window,
                         struct mac_layoutstate *curstate,
                         union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds;
    SInt16 height;

    assert(ctrl->text.label != NULL);
    mc->generic.type = MACCTRL_TEXT;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 16;
    if (mac_gestalts.apprvers >= 0x100) {
        Size olen;

        mc->text.tbctrl = NewControl(window, &bounds, NULL, FALSE, 0, 0, 0,
                                     kControlStaticTextProc, (long)mc);
        SetControlData(mc->text.tbctrl, kControlEntireControl,
                       kControlStaticTextTextTag,
                       strlen(ctrl->text.label), ctrl->text.label);
        GetControlData(mc->text.tbctrl, kControlEntireControl,
                       kControlStaticTextTextHeightTag,
                       sizeof(height), &height, &olen);
    }
#if !TARGET_API_MAC_CARBON
    else {
        TEHandle te;

        mc->text.tbctrl = NewControl(window, &bounds, NULL, FALSE, 0, 0, 0,
                                     SYS7_TEXT_PROC, (long)mc);
        te = (TEHandle)(*mc->text.tbctrl)->contrlData;
        TESetText(ctrl->text.label, strlen(ctrl->text.label), te);
        height = TEGetHeight(1, (*te)->nLines, te);
    }
#endif
    SizeControl(mc->text.tbctrl, curstate->width, height);
    curstate->pos.v += height + 6;
    add234(mcs->byctrl, mc);
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
}

static void macctrl_editbox(struct macctrls *mcs, WindowPtr window,
                            struct mac_layoutstate *curstate,
                            union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect lbounds, bounds, butbounds;
    static int nextmenuid = MENU_MIN;
    int menuid;
    MenuRef menu;

    mc->generic.type = MACCTRL_EDITBOX;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    lbounds.left = curstate->pos.h;
    lbounds.top = curstate->pos.v;
    if (ctrl->editbox.percentwidth == 100) {
        if (ctrl->editbox.label != NULL) {
            lbounds.right = lbounds.left + curstate->width;
            lbounds.bottom = lbounds.top + 16;
            curstate->pos.v += 18;
        }
        bounds.left = curstate->pos.h;
        bounds.right = bounds.left + curstate->width;
    } else {
        lbounds.right = lbounds.left +
            curstate->width * (100 - ctrl->editbox.percentwidth) / 100;
        lbounds.bottom = lbounds.top + 22;
        bounds.left = lbounds.right;
        bounds.right = lbounds.left + curstate->width;
    }
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 22;

    if (ctrl->editbox.has_list) {
        butbounds = bounds;
        butbounds.left = butbounds.right - 20;
        bounds.right -= 26; /* enough for 6 px gap and a button */
    }

    if (mac_gestalts.apprvers >= 0x100) {
        if (ctrl->editbox.label == NULL)
            mc->editbox.tblabel = NULL;
        else {
            mc->editbox.tblabel = NewControl(window, &lbounds, NULL, FALSE,
                                             0, 0, 0, kControlStaticTextProc,
                                             (long)mc);
            SetControlData(mc->editbox.tblabel, kControlEntireControl,
                           kControlStaticTextTextTag,
                           strlen(ctrl->editbox.label), ctrl->editbox.label);
        }
        InsetRect(&bounds, 3, 3);
        mc->editbox.tbctrl = NewControl(window, &bounds, NULL, FALSE, 0, 0, 0,
                                        ctrl->editbox.password ?
                                        kControlEditTextPasswordProc :
                                        kControlEditTextProc, (long)mc);
    }
#if !TARGET_API_MAC_CARBON
    else {
        if (ctrl->editbox.label == NULL)
            mc->editbox.tblabel = NULL;
        else {
            mc->editbox.tblabel = NewControl(window, &lbounds, NULL, FALSE,
                                             0, 0, 0, SYS7_TEXT_PROC,
                                             (long)mc);
            TESetText(ctrl->editbox.label, strlen(ctrl->editbox.label),
                      (TEHandle)(*mc->editbox.tblabel)->contrlData);
        }
        mc->editbox.tbctrl = NewControl(window, &bounds, NULL, FALSE, 0, 0, 0,
                                        SYS7_EDITBOX_PROC, (long)mc);
    }
#endif

    if (ctrl->editbox.has_list) {
        while (GetMenuHandle(nextmenuid) != NULL)
            if (++nextmenuid >= MENU_MAX) nextmenuid = MENU_MIN;
        menuid = nextmenuid++;
        menu = NewMenu(menuid, "\pdummy");
        if (menu == NULL) goto nomenu;
        mc->editbox.menu = menu;
        mc->editbox.menuid = menuid;
        InsertMenu(menu, kInsertHierarchicalMenu);
        mc->editbox.nids = 0;
        mc->editbox.ids = NULL;

        mc->editbox.tbbutton = NewControl(window, &butbounds, NULL, FALSE,
                                          popupTitleLeftJust, menuid, 0,
                                          popupMenuProc + popupFixedWidth,
                                          (long)mc);
    }

  nomenu:

    curstate->pos.v += 28;
    add234(mcs->byctrl, mc);
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    ctrlevent(mcs, mc, EVENT_REFRESH);
}

#if !TARGET_API_MAC_CARBON
static pascal SInt32 macctrl_sys7_editbox_cdef(SInt16 variant,
                                               ControlRef control,
                                               ControlDefProcMessage msg,
                                               SInt32 param)
{
    RgnHandle rgn;
    Rect rect;
    TEHandle te;
    long ssfs;
    Point mouse;

    switch (msg) {
      case initCntl:
        rect = (*control)->contrlRect;
        if (variant == SYS7_EDITBOX_VARIANT)
            InsetRect(&rect, 3, 3); /* 2 if it's 20 pixels high */
        te = TENew(&rect, &rect);
        ssfs = GetScriptVariable(smSystemScript, smScriptSysFondSize);
        (*te)->txSize = LoWord(ssfs);
        (*te)->txFont = HiWord(ssfs);
        (*control)->contrlData = (Handle)te;
        return noErr;
      case dispCntl:
        TEDispose((TEHandle)(*control)->contrlData);
        return 0;
      case drawCntl:
        if ((*control)->contrlVis) {
            rect = (*control)->contrlRect;
            if (variant == SYS7_EDITBOX_VARIANT) {
                PenNormal();
                FrameRect(&rect);
                InsetRect(&rect, 3, 3);
            }
            EraseRect(&rect);
            (*(TEHandle)(*control)->contrlData)->viewRect = rect;
            TEUpdate(&rect, (TEHandle)(*control)->contrlData);
        }
        return 0;
      case testCntl:
        if (variant == SYS7_TEXT_VARIANT)
            return kControlNoPart;
        mouse.h = LoWord(param);
        mouse.v = HiWord(param);
        rect = (*control)->contrlRect;
        InsetRect(&rect, 3, 3);
        return PtInRect(mouse, &rect) ? kControlEditTextPart : kControlNoPart;
      case calcCRgns:
        if (param & (1 << 31)) {
            param &= ~(1 << 31);
            goto calcthumbrgn;
        }
        /* FALLTHROUGH */
      case calcCntlRgn:
        rgn = (RgnHandle)param;
        RectRgn(rgn, &(*control)->contrlRect);
        return 0;
      case calcThumbRgn:
      calcthumbrgn:
        rgn = (RgnHandle)param;
        SetEmptyRgn(rgn);
        return 0;
    }

    return 0;
}
#endif
                             
static void macctrl_radio(struct macctrls *mcs, WindowPtr window,
                          struct mac_layoutstate *curstate,
                          union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds;
    Str255 title;
    unsigned int i, colwidth;

    mc->generic.type = MACCTRL_RADIO;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    mc->radio.tbctrls = snewn(ctrl->radio.nbuttons, ControlRef);
    colwidth = (curstate->width + 13) / ctrl->radio.ncolumns;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 16;
    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    if (ctrl->radio.label == NULL)
        mc->radio.tblabel = NULL;
    else {
        if (mac_gestalts.apprvers >= 0x100) {
            mc->radio.tblabel = NewControl(window, &bounds, NULL, FALSE,
                                           0, 0, 0, kControlStaticTextProc,
                                           (long)mc);
            SetControlData(mc->radio.tblabel, kControlEntireControl,
                           kControlStaticTextTextTag,
                           strlen(ctrl->radio.label), ctrl->radio.label);
        }
#if !TARGET_API_MAC_CARBON
        else {
            mc->radio.tblabel = NewControl(window, &bounds, NULL, FALSE,
                                           0, 0, 0, SYS7_TEXT_PROC, (long)mc);
            TESetText(ctrl->radio.label, strlen(ctrl->radio.label),
                      (TEHandle)(*mc->radio.tblabel)->contrlData);
        }
#endif
        curstate->pos.v += 18;
    }
    for (i = 0; i < ctrl->radio.nbuttons; i++) {
        bounds.top = curstate->pos.v - 2;
        bounds.bottom = bounds.top + 18;
        bounds.left = curstate->pos.h + colwidth * (i % ctrl->radio.ncolumns);
        if (i == ctrl->radio.nbuttons - 1 ||
            i % ctrl->radio.ncolumns == ctrl->radio.ncolumns - 1) {
            bounds.right = curstate->pos.h + curstate->width;
            curstate->pos.v += 18;
        } else
            bounds.right = bounds.left + colwidth - 13;
        c2pstrcpy(title, ctrl->radio.buttons[i]);
        mc->radio.tbctrls[i] = NewControl(window, &bounds, title, FALSE,
                                          0, 0, 1, radioButProc, (long)mc);
    }
    curstate->pos.v += 4;
    add234(mcs->byctrl, mc);
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    ctrlevent(mcs, mc, EVENT_REFRESH);
}

static void macctrl_checkbox(struct macctrls *mcs, WindowPtr window,
                             struct mac_layoutstate *curstate,
                             union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds;
    Str255 title;

    assert(ctrl->checkbox.label != NULL);
    mc->generic.type = MACCTRL_CHECKBOX;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 16;
    c2pstrcpy(title, ctrl->checkbox.label);
    mc->checkbox.tbctrl = NewControl(window, &bounds, title, FALSE, 0, 0, 1,
                                     checkBoxProc, (long)mc);
    add234(mcs->byctrl, mc);
    curstate->pos.v += 22;
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    ctrlevent(mcs, mc, EVENT_REFRESH);
}

static void macctrl_button(struct macctrls *mcs, WindowPtr window,
                           struct mac_layoutstate *curstate,
                           union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds;
    Str255 title;

    assert(ctrl->button.label != NULL);
    mc->generic.type = MACCTRL_BUTTON;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 20;
    c2pstrcpy(title, ctrl->button.label);
    mc->button.tbctrl = NewControl(window, &bounds, title, FALSE, 0, 0, 1,
                                   pushButProc, (long)mc);
    mc->button.tbring = NULL;
    if (mac_gestalts.apprvers >= 0x100) {
        Boolean isdefault = ctrl->button.isdefault;

        SetControlData(mc->button.tbctrl, kControlEntireControl,
                       kControlPushButtonDefaultTag,
                       sizeof(isdefault), &isdefault);
    } else if (ctrl->button.isdefault) {
        InsetRect(&bounds, -4, -4);
        mc->button.tbring = NewControl(window, &bounds, title, FALSE, 0, 0, 1,
                                       SYS7_DEFAULT_PROC, (long)mc);
    }
    if (mac_gestalts.apprvers >= 0x110) {
        Boolean iscancel = ctrl->button.iscancel;

        SetControlData(mc->button.tbctrl, kControlEntireControl,
                       kControlPushButtonCancelTag,
                       sizeof(iscancel), &iscancel);
    }
    if (ctrl->button.isdefault)
        mcs->defbutton = mc;
    if (ctrl->button.iscancel)
        mcs->canbutton = mc;
    add234(mcs->byctrl, mc);
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    curstate->pos.v += 26;
}

#if !TARGET_API_MAC_CARBON
static pascal SInt32 macctrl_sys7_default_cdef(SInt16 variant,
                                               ControlRef control,
                                               ControlDefProcMessage msg,
                                               SInt32 param)
{
    RgnHandle rgn;
    Rect rect;
    int oval;
    PenState savestate;

    switch (msg) {
      case drawCntl:
        if ((*control)->contrlVis) {
            rect = (*control)->contrlRect;
            GetPenState(&savestate);
            PenNormal();
            PenSize(3, 3);
            if ((*control)->contrlHilite == kControlInactivePart)
                PenPat(&qd.gray);
            oval = (rect.bottom - rect.top) / 2 + 2;
            FrameRoundRect(&rect, oval, oval);
            SetPenState(&savestate);
        }
        return 0;
      case calcCRgns:
        if (param & (1 << 31)) {
            param &= ~(1 << 31);
            goto calcthumbrgn;
        }
        /* FALLTHROUGH */
      case calcCntlRgn:
        rgn = (RgnHandle)param;
        RectRgn(rgn, &(*control)->contrlRect);
        return 0;
      case calcThumbRgn:
      calcthumbrgn:
        rgn = (RgnHandle)param;
        SetEmptyRgn(rgn);
        return 0;
    }

    return 0;
}
#endif

static void macctrl_listbox(struct macctrls *mcs, WindowPtr window,
                            struct mac_layoutstate *curstate,
                            union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds, upbounds, downbounds;
    Size olen;

    /* XXX Use label */
    assert(ctrl->listbox.percentwidth == 100);
    mc->generic.type = MACCTRL_LISTBOX;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    /* The list starts off empty */
    mc->listbox.nids = 0;
    mc->listbox.ids = NULL;
    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 16 * ctrl->listbox.height + 2;

    if (ctrl->listbox.draglist) {
        upbounds = downbounds = bounds;
        upbounds.left = upbounds.right - 58;
        upbounds.bottom = upbounds.top + 20;
        downbounds.left = downbounds.right - 58;
        downbounds.top = upbounds.bottom + 6;
        downbounds.bottom = downbounds.top + 20;
        bounds.right -= 64; /* enough for 6 px gap and a button */
    }

    if (mac_gestalts.apprvers >= 0x100) {
        InsetRect(&bounds, 3, 3);
        mc->listbox.tbctrl = NewControl(window, &bounds, NULL, FALSE,
                                        ldes_Default, 0, 0,
                                        kControlListBoxProc, (long)mc);
        if (GetControlData(mc->listbox.tbctrl, kControlEntireControl,
                           kControlListBoxListHandleTag,
                           sizeof(mc->listbox.list), &mc->listbox.list,
                           &olen) != noErr) {
            DisposeControl(mc->listbox.tbctrl);
            sfree(mc);
            return;
        }
    }
#if !TARGET_API_MAC_CARBON
    else {
        InsetRect(&bounds, -3, -3);
        mc->listbox.tbctrl = NewControl(window, &bounds, NULL, FALSE,
                                        0, 0, 0,
                                        SYS7_LISTBOX_PROC, (long)mc);
        mc->listbox.list = (ListHandle)(*mc->listbox.tbctrl)->contrlData;
        (*mc->listbox.list)->refCon = (long)mc;
    }
#endif
    if (!ctrl->listbox.multisel) {
#if TARGET_API_MAC_CARBON
        SetListSelectionFlags(mc->listbox.list, lOnlyOne);
#else
        (*mc->listbox.list)->selFlags = lOnlyOne;
#endif
    }

    if (ctrl->listbox.draglist) {
        mc->listbox.tbup = NewControl(window, &upbounds, "\pUp", FALSE, 0, 0, 1,
                                      pushButProc, (long)mc);
        mc->listbox.tbdown = NewControl(window, &downbounds, "\pDown", FALSE, 0, 0, 1,
                                      pushButProc, (long)mc);
    }

    add234(mcs->byctrl, mc);
    curstate->pos.v += 6 + 16 * ctrl->listbox.height + 2;
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    ctrlevent(mcs, mc, EVENT_REFRESH);
#if TARGET_API_MAC_CARBON
    HideControl(GetListVerticalScrollBar(mc->listbox.list));
#else
    HideControl((*mc->listbox.list)->vScroll);
#endif
}

#if !TARGET_API_MAC_CARBON
static pascal SInt32 macctrl_sys7_listbox_cdef(SInt16 variant,
                                               ControlRef control,
                                               ControlDefProcMessage msg,
                                               SInt32 param)
{
    RgnHandle rgn;
    Rect rect;
    ListHandle list;
    long ssfs;
    Point mouse;
    ListBounds bounds;
    Point csize;
    short savefont;
    short savesize;
    GrafPtr curport;

    switch (msg) {
      case initCntl:
        rect = (*control)->contrlRect;
        InsetRect(&rect, 4, 4);
        rect.right -= 15; /* scroll bar */
        bounds.top = bounds.bottom = bounds.left = 0;
        bounds.right = 1;
        csize.h = csize.v = 0;
        GetPort(&curport);
        savefont = curport->txFont;
        savesize = curport->txSize;
        ssfs = GetScriptVariable(smSystemScript, smScriptSysFondSize);
        TextFont(HiWord(ssfs));
        TextSize(LoWord(ssfs));
        list = LNew(&rect, &bounds, csize, 0, (*control)->contrlOwner,
                    TRUE, FALSE, FALSE, TRUE);
        SetControlReference((*list)->vScroll, (long)list);
        (*control)->contrlData = (Handle)list;
        TextFont(savefont);
        TextSize(savesize);
        return noErr;
      case dispCntl:
        /*
         * If the dialogue box is being destroyed, the scroll bar
         * might have gone already.  In our situation, this is the
         * only time we destroy a control, so NULL out the scroll bar
         * handle to prevent LDispose trying to free it.
         */
        list = (ListHandle)(*control)->contrlData;
        (*list)->vScroll = NULL;
        LDispose(list);
        return 0;
      case drawCntl:
        if ((*control)->contrlVis) {
            rect = (*control)->contrlRect;
            /* XXX input focus highlighting? */
            InsetRect(&rect, 3, 3);
            PenNormal();
            FrameRect(&rect);
            list = (ListHandle)(*control)->contrlData;
            LActivate((*control)->contrlHilite != kControlInactivePart, list);
            GetPort(&curport);
            LUpdate(curport->visRgn, list);
        }
        return 0;
      case testCntl:
        mouse.h = LoWord(param);
        mouse.v = HiWord(param);
        rect = (*control)->contrlRect;
        InsetRect(&rect, 4, 4);
        /*
         * We deliberately exclude the scrollbar so that LClick() can see it.
         */
        rect.right -= 15;
        return PtInRect(mouse, &rect) ? kControlListBoxPart : kControlNoPart;
      case calcCRgns:
        if (param & (1 << 31)) {
            param &= ~(1 << 31);
            goto calcthumbrgn;
        }
        /* FALLTHROUGH */
      case calcCntlRgn:
        rgn = (RgnHandle)param;
        RectRgn(rgn, &(*control)->contrlRect);
        return 0;
      case calcThumbRgn:
      calcthumbrgn:
        rgn = (RgnHandle)param;
        SetEmptyRgn(rgn);
        return 0;
    }

    return 0;
}
#endif

#if !TARGET_API_MAC_CARBON
static pascal SInt32 macctrl_sys7_groupbox_cdef(SInt16 variant,
                                                ControlRef control,
                                                ControlDefProcMessage msg,
                                                SInt32 param)
{
    RgnHandle rgn;
    Rect rect;
    PenState savestate;

    switch (msg) {
      case drawCntl:
        if ((*control)->contrlVis) {
            rect = (*control)->contrlRect;
            GetPenState(&savestate);
            PenNormal();
            PenSize(3, 3);
            PenPat(&qd.gray);
            FrameRect(&rect);
            SetPenState(&savestate);
        }
        return 0;
      case calcCRgns:
        if (param & (1 << 31)) {
            param &= ~(1 << 31);
            goto calcthumbrgn;
        }
        /* FALLTHROUGH */
      case calcCntlRgn:
        rgn = (RgnHandle)param;
        RectRgn(rgn, &(*control)->contrlRect);
        return 0;
      case calcThumbRgn:
      calcthumbrgn:
        rgn = (RgnHandle)param;
        SetEmptyRgn(rgn);
        return 0;
    }
    return 0;
}
#endif

static void macctrl_popup(struct macctrls *mcs, WindowPtr window,
                          struct mac_layoutstate *curstate,
                          union control *ctrl)
{
    union macctrl *mc = snew(union macctrl);
    Rect bounds;
    Str255 title;
    unsigned int labelwidth;
    static int nextmenuid = MENU_MIN;
    int menuid;
    MenuRef menu;

    /* 
     * <http://developer.apple.com/qa/tb/tb42.html> explains how to
     * create a popup menu with dynamic content.
     */
    assert(ctrl->listbox.height == 0);
    assert(!ctrl->listbox.draglist);
    assert(!ctrl->listbox.multisel);

    mc->generic.type = MACCTRL_POPUP;
    mc->generic.ctrl = ctrl;
    mc->generic.privdata = NULL;
    c2pstrcpy(title, ctrl->button.label == NULL ? "" : ctrl->button.label);

    /* Find a spare menu ID and create the menu */
    while (GetMenuHandle(nextmenuid) != NULL)
        if (++nextmenuid >= MENU_MAX) nextmenuid = MENU_MIN;
    menuid = nextmenuid++;
    menu = NewMenu(menuid, "\pdummy");
    if (menu == NULL) return;
    mc->popup.menu = menu;
    mc->popup.menuid = menuid;
    InsertMenu(menu, kInsertHierarchicalMenu);

    /* The menu starts off empty */
    mc->popup.nids = 0;
    mc->popup.ids = NULL;

    bounds.left = curstate->pos.h;
    bounds.right = bounds.left + curstate->width;
    bounds.top = curstate->pos.v;
    bounds.bottom = bounds.top + 20;
    /* XXX handle percentwidth == 100 */
    labelwidth = curstate->width * (100 - ctrl->listbox.percentwidth) / 100;
    mc->popup.tbctrl = NewControl(window, &bounds, title, FALSE,
                                  popupTitleLeftJust, menuid, labelwidth,
                                  popupMenuProc + popupFixedWidth, (long)mc);
    add234(mcs->byctrl, mc);
    curstate->pos.v += 26;
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
    ctrlevent(mcs, mc, EVENT_REFRESH);
}

static void macctrl_groupbox(struct macctrls *mcs, WindowPtr window,
                             struct mac_layoutstate *curstate,
                             union control *ctrl)
{
    union macctrl *mc = snew (union macctrl);
    Str255 ptitle;
    Rect r;

    r.top = curstate->boxpos.v;
    r.left = curstate->boxpos.h;
    r.bottom = curstate->pos.v;
    r.right = curstate->boxpos.h + curstate->width;

    mc->generic.type = MACCTRL_GROUPBOX;
    mc->generic.privdata = NULL;
    mc->generic.ctrl = ctrl;
    mc->generic.ctrl->generic.handler = NULL;

    if (curstate->boxname)
        c2pstrcpy(ptitle, curstate->boxname);
    else
        c2pstrcpy(ptitle, "");
    if (mac_gestalts.apprvers >= 0x100) { /* Appearance Manager */
        mc->groupbox.tbctrl = NewControl(window, &r, ptitle, FALSE, 0, 0, 1,
                                         kControlGroupBoxTextTitleProc, (long)mc);
    } else {
        mc->groupbox.tbctrl = NewControl(window, &r, ptitle, FALSE, 0, 0, 1,
                                         SYS7_GROUPBOX_PROC, (long)mc);
    }
    add234(mcs->byctrl, mc);
    mc->generic.next = mcs->panels[curstate->panelnum];
    mcs->panels[curstate->panelnum] = mc;
}

void macctrl_activate(WindowPtr window, EventRecord *event)
{
    struct macctrls *mcs = mac_winctrls(window);
    Boolean active = (event->modifiers & activeFlag) != 0;
    GrafPtr saveport;
    int i, j;
    ControlPartCode state;
    union macctrl *mc;

    GetPort(&saveport);
    SetPort((GrafPtr)GetWindowPort(window));
    if (mac_gestalts.apprvers >= 0x100)
        SetThemeWindowBackground(window, active ?
                                 kThemeBrushModelessDialogBackgroundActive :
                                 kThemeBrushModelessDialogBackgroundInactive,
                                 TRUE);
    state = active ? kControlNoPart : kControlInactivePart;
    for (i = 0; i <= mcs->curpanel; i += mcs->curpanel)
        for (mc = mcs->panels[i]; mc != NULL; mc = mc->generic.next) {
            switch (mc->generic.type) {
              case MACCTRL_TEXT:
                HiliteControl(mc->text.tbctrl, state);
                break;
              case MACCTRL_EDITBOX:
                HiliteControl(mc->editbox.tbctrl, state);
                if (mc->editbox.tblabel != NULL)
                    HiliteControl(mc->editbox.tblabel, state);
                if (mc->editbox.tbbutton != NULL)
                    HiliteControl(mc->editbox.tbbutton, state);
                break;
              case MACCTRL_RADIO:
                for (j = 0; j < mc->generic.ctrl->radio.nbuttons; j++)
                    HiliteControl(mc->radio.tbctrls[j], state);
                if (mc->radio.tblabel != NULL)
                    HiliteControl(mc->radio.tblabel, state);
                break;
              case MACCTRL_CHECKBOX:
                HiliteControl(mc->checkbox.tbctrl, state);
                break;
              case MACCTRL_BUTTON:
                HiliteControl(mc->button.tbctrl, state);
                if (mc->button.tbring != NULL)
                    HiliteControl(mc->button.tbring, state);                
                break;
              case MACCTRL_LISTBOX:
                HiliteControl(mc->listbox.tbctrl, state);
                if (mc->listbox.tbup != NULL)
                    HiliteControl(mc->listbox.tbup, state);
                if (mc->listbox.tbdown != NULL)
                    HiliteControl(mc->listbox.tbdown, state);
                break;
              case MACCTRL_POPUP:
                HiliteControl(mc->popup.tbctrl, state);
                break;
              case MACCTRL_GROUPBOX:
                HiliteControl(mc->popup.tbctrl, state);
            }
#if !TARGET_API_MAC_CARBON
            if (mcs->focus == mc) {
                if (active)
                    macctrl_enfocus(mc);
                else
                    macctrl_defocus(mc);
            }
#endif
        }
    SetPort(saveport);
}

void macctrl_click(WindowPtr window, EventRecord *event)
{
    Point mouse;
    ControlHandle control, oldfocus;
    int part, trackresult;
    GrafPtr saveport;
    union macctrl *mc;
    struct macctrls *mcs = mac_winctrls(window);
    int i;
    UInt32 features;

    GetPort(&saveport);
    SetPort((GrafPtr)GetWindowPort(window));
    mouse = event->where;
    GlobalToLocal(&mouse);
    part = FindControl(mouse, window, &control);
    if (control != NULL) {
#if !TARGET_API_MAC_CARBON
        /*
         * Special magic for scroll bars in list boxes, whose refcon
         * is the list.
         */
        if (part == kControlUpButtonPart || part == kControlDownButtonPart ||
            part == kControlPageUpPart || part == kControlPageDownPart ||
            part == kControlIndicatorPart)
            mc = (union macctrl *)
                (*(ListHandle)GetControlReference(control))->refCon;
       else
#endif
            mc = (union macctrl *)GetControlReference(control);
        if (mac_gestalts.apprvers >= 0x100) {
            if (GetControlFeatures(control, &features) == noErr &&
                (features & kControlSupportsFocus) &&
                (features & kControlGetsFocusOnClick) &&
                GetKeyboardFocus(window, &oldfocus) == noErr &&
                control != oldfocus)
                SetKeyboardFocus(window, control, part);
            trackresult = HandleControlClick(control, mouse, event->modifiers,
                                             (ControlActionUPP)-1);
        } else {
#if !TARGET_API_MAC_CARBON
            if (mc->generic.type == MACCTRL_EDITBOX &&
                control == mc->editbox.tbctrl) {
                TEHandle te = (TEHandle)(*control)->contrlData;

                macctrl_setfocus(mcs, mc);
                TEClick(mouse, !!(event->modifiers & shiftKey), te);
                goto done;
            }
            if (mc->generic.type == MACCTRL_EDITBOX &&
                control == mc->editbox.tbbutton) {
                dlg_editbox_set(mc->generic.ctrl, mcs,
                                cp_enumerate(dlg_listbox_index(mc->generic.ctrl, mcs)));
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
            }
            if (mc->generic.type == MACCTRL_LISTBOX &&
                (control == mc->listbox.tbctrl ||
                 control == (*mc->listbox.list)->vScroll)) {

                macctrl_setfocus(mcs, mc);
                if (LClick(mouse, event->modifiers, mc->listbox.list))
                    /* double-click */
                    ctrlevent(mcs, mc, EVENT_ACTION);
                else
                    ctrlevent(mcs, mc, EVENT_SELCHANGE);
                goto done;
            }
            if (mc->generic.type == MACCTRL_LISTBOX &&
                control == mc->listbox.tbup)
                draglist_up(mc, mcs);
            if (mc->generic.type == MACCTRL_LISTBOX &&
                control == mc->listbox.tbdown)
                draglist_down(mc, mcs);
#endif
            trackresult = TrackControl(control, mouse, (ControlActionUPP)-1);
        }
        switch (mc->generic.type) {
          case MACCTRL_RADIO:
            if (trackresult != 0) {
                for (i = 0; i < mc->generic.ctrl->radio.nbuttons; i++)
                    if (mc->radio.tbctrls[i] == control)
                        SetControlValue(mc->radio.tbctrls[i],
                                        kControlRadioButtonCheckedValue);
                    else
                        SetControlValue(mc->radio.tbctrls[i],
                                        kControlRadioButtonUncheckedValue);
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
            }
            break;
          case MACCTRL_CHECKBOX:
            if (trackresult != 0) {
                SetControlValue(control, !GetControlValue(control));
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
            }
            break;
          case MACCTRL_BUTTON:
            if (trackresult != 0)
                ctrlevent(mcs, mc, EVENT_ACTION);
            break;
          case MACCTRL_EDITBOX:
            if (control == mc->editbox.tbbutton) {
                dlg_editbox_set(mc->generic.ctrl, mcs,
                                cp_enumerate(dlg_listbox_index(mc->generic.ctrl, mcs)));
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
            }
            break;
          case MACCTRL_LISTBOX:
            if (control == mc->listbox.tbup)
                draglist_up(mc, mcs);
            if (control == mc->listbox.tbdown)
                draglist_down(mc, mcs);

            /* FIXME spot double-click */
            ctrlevent(mcs, mc, EVENT_SELCHANGE);
            break;
          case MACCTRL_POPUP:
            ctrlevent(mcs, mc, EVENT_SELCHANGE);
            break;
        }
    }
  done:
    SetPort(saveport);
}

void macctrl_key(WindowPtr window, EventRecord *event)
{
    ControlRef control;
    struct macctrls *mcs = mac_winctrls(window);
    union macctrl *mc;
    unsigned long dummy;

    switch (event->message & charCodeMask) {
      case kEnterCharCode:
      case kReturnCharCode:
        if (mcs->defbutton != NULL) {
            assert(mcs->defbutton->generic.type == MACCTRL_BUTTON);
            HiliteControl(mcs->defbutton->button.tbctrl, kControlButtonPart);
            /*
             * I'd like to delay unhilighting the button until after
             * the event has been processed, but by them the entire
             * dialgue box might have been destroyed.
             */
            Delay(6, &dummy);
            HiliteControl(mcs->defbutton->button.tbctrl, kControlNoPart);
            ctrlevent(mcs, mcs->defbutton, EVENT_ACTION);
        }
        return;
      case kEscapeCharCode:
        if (mcs->canbutton != NULL) {
            assert(mcs->canbutton->generic.type == MACCTRL_BUTTON);
            HiliteControl(mcs->canbutton->button.tbctrl, kControlButtonPart);
            Delay(6, &dummy);
            HiliteControl(mcs->defbutton->button.tbctrl, kControlNoPart);
            ctrlevent(mcs, mcs->canbutton, EVENT_ACTION);
        }
        return;
    }
    if (mac_gestalts.apprvers >= 0x100) {
        if (GetKeyboardFocus(window, &control) == noErr && control != NULL) {
            HandleControlKey(control, (event->message & keyCodeMask) >> 8,
                             event->message & charCodeMask, event->modifiers);
            mc = (union macctrl *)GetControlReference(control);
            switch (mc->generic.type) {
              case MACCTRL_LISTBOX:
                ctrlevent(mcs, mc, EVENT_SELCHANGE);
                break;
              default:
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
                break;
            }
        }
    }
#if !TARGET_API_MAC_CARBON
    else {
        TEHandle te;

        if (mcs->focus != NULL) {
            mc = mcs->focus;
            switch (mc->generic.type) {
              case MACCTRL_EDITBOX:
                te = (TEHandle)(*mc->editbox.tbctrl)->contrlData;
                TEKey(event->message & charCodeMask, te);
                ctrlevent(mcs, mc, EVENT_VALCHANGE);
                break;
            }
        }
    }
#endif
}

void macctrl_update(WindowPtr window)
{
#if TARGET_API_MAC_CARBON
    RgnHandle visrgn;
#endif
    Rect rect;
    GrafPtr saveport;

    BeginUpdate(window);
    GetPort(&saveport);
    SetPort((GrafPtr)GetWindowPort(window));
    if (mac_gestalts.apprvers >= 0x101) {
#if TARGET_API_MAC_CARBON
        GetPortBounds(GetWindowPort(window), &rect);
#else
        rect = window->portRect;
#endif
        InsetRect(&rect, -1, -1);
        DrawThemeModelessDialogFrame(&rect, mac_frontwindow() == window ?
                                     kThemeStateActive : kThemeStateInactive);
    }
#if TARGET_API_MAC_CARBON
    visrgn = NewRgn();
    GetPortVisibleRegion(GetWindowPort(window), visrgn);
    UpdateControls(window, visrgn);
    DisposeRgn(visrgn);
#else
    UpdateControls(window, window->visRgn);
#endif
    SetPort(saveport);
    EndUpdate(window);
}

#if TARGET_API_MAC_CARBON
#define EnableItem EnableMenuItem
#define DisableItem DisableMenuItem
#endif
void macctrl_adjustmenus(WindowPtr window)
{
    MenuHandle menu;

    menu = GetMenuHandle(mFile);
    DisableItem(menu, iSave); /* XXX enable if modified */
    EnableItem(menu, iSaveAs);
    EnableItem(menu, iDuplicate);

    menu = GetMenuHandle(mEdit);
    DisableItem(menu, 0);
}

void macctrl_close(WindowPtr window)
{
    struct macctrls *mcs = mac_winctrls(window);
    union macctrl *mc;

    /*
     * Mostly, we don't bother disposing of the Toolbox controls,
     * since that will happen automatically when the window is
     * disposed of.  Popup menus are an exception, because we have to
     * dispose of the menu ourselves, and doing that while the control
     * still holds a reference to it seems rude.
     */
    while ((mc = index234(mcs->byctrl, 0)) != NULL) {
        if (mc->generic.privdata != NULL && mc->generic.freeprivdata)
            sfree(mc->generic.privdata);
        switch (mc->generic.type) {
          case MACCTRL_POPUP:
            DisposeControl(mc->popup.tbctrl);
            DeleteMenu(mc->popup.menuid);
            DisposeMenu(mc->popup.menu);
            break;
        }
        del234(mcs->byctrl, mc);
        sfree(mc);
    }

    freetree234(mcs->byctrl);
    mcs->byctrl = NULL;
    sfree(mcs->panels);
    mcs->panels = NULL;
}

void dlg_update_start(union control *ctrl, void *dlg)
{

    /* No-op for now */
}

void dlg_update_done(union control *ctrl, void *dlg)
{

    /* No-op for now */
}

void dlg_set_focus(union control *ctrl, void *dlg)
{

    if (mac_gestalts.apprvers >= 0x100) {
        /* Use SetKeyboardFocus() */
    } else {
        /* Do our own mucking around */
    }
}

union control *dlg_last_focused(union control *ctrl, void *dlg)
{

    return NULL;
}

void dlg_beep(void *dlg)
{

    SysBeep(30);
}

void dlg_error_msg(void *dlg, char *msg)
{
    Str255 pmsg;

    c2pstrcpy(pmsg, msg);
    ParamText(pmsg, NULL, NULL, NULL);
    StopAlert(128, NULL);
}

void dlg_end(void *dlg, int value)
{
    struct macctrls *mcs = dlg;

    if (mcs->end != NULL)
        (*mcs->end)(mcs->window, value);
};

void dlg_refresh(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc;
    int i;

    if (ctrl == NULL) {
        /* NULL means refresh every control */
        for (i = 0 ; i < mcs->npanels; i++) {
            for (mc = mcs->panels[i]; mc != NULL; mc = mc->generic.next) {
                ctrlevent(mcs, mc, EVENT_REFRESH);
            }
        }
        return;
    }
    /* Just refresh a specific control */
    mc = findbyctrl(mcs, ctrl);
    assert(mc != NULL);
    ctrlevent(mcs, mc, EVENT_REFRESH);
};

void *dlg_get_privdata(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    assert(mc != NULL);
    return mc->generic.privdata;
}

void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    assert(mc != NULL);
    mc->generic.privdata = ptr;
    mc->generic.freeprivdata = FALSE;
}

void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    assert(mc != NULL);
    mc->generic.privdata = smalloc(size);
    mc->generic.freeprivdata = TRUE;
    return mc->generic.privdata;
}


/*
 * Radio Button control
 */

void dlg_radiobutton_set(union control *ctrl, void *dlg, int whichbutton)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    int i;

    if (mc == NULL) return;
    for (i = 0; i < ctrl->radio.nbuttons; i++) {
        if (i == whichbutton)
            SetControlValue(mc->radio.tbctrls[i],
                            kControlRadioButtonCheckedValue);
        else
            SetControlValue(mc->radio.tbctrls[i],
                            kControlRadioButtonUncheckedValue);
    }

};

int dlg_radiobutton_get(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    int i;

    assert(mc != NULL);
    for (i = 0; i < ctrl->radio.nbuttons; i++) {
        if (GetControlValue(mc->radio.tbctrls[i])  ==
            kControlRadioButtonCheckedValue)
            return i;
    }
    return -1;
};


/*
 * Check Box control
 */

void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    if (mc == NULL) return;
    SetControlValue(mc->checkbox.tbctrl,
                    checked ? kControlCheckBoxCheckedValue :
                              kControlCheckBoxUncheckedValue);
}

int dlg_checkbox_get(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    assert(mc != NULL);
    return GetControlValue(mc->checkbox.tbctrl);
}


/*
 * Edit Box control
 */

void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    GrafPtr saveport;

    if (mc == NULL) return;
    assert(mc->generic.type == MACCTRL_EDITBOX);
    GetPort(&saveport);
    SetPort((GrafPtr)(GetWindowPort(mcs->window)));
    if (mac_gestalts.apprvers >= 0x100)
        SetControlData(mc->editbox.tbctrl, kControlEntireControl,
                       ctrl->editbox.password ?
                       kControlEditTextPasswordTag :
                       kControlEditTextTextTag,
                       strlen(text), text);
#if !TARGET_API_MAC_CARBON
    else
        TESetText(text, strlen(text),
                  (TEHandle)(*mc->editbox.tbctrl)->contrlData);
#endif
    DrawOneControl(mc->editbox.tbctrl);
    SetPort(saveport);
}

void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    Size olen;

    assert(mc != NULL);
    assert(mc->generic.type == MACCTRL_EDITBOX);
    if (mac_gestalts.apprvers >= 0x100) {
        if (GetControlData(mc->editbox.tbctrl, kControlEntireControl,
                           ctrl->editbox.password ?
                           kControlEditTextPasswordTag :
                           kControlEditTextTextTag,
                           length - 1, buffer, &olen) != noErr)
            olen = 0;
        if (olen > length - 1)
            olen = length - 1;
    }
#if !TARGET_API_MAC_CARBON
    else {
        TEHandle te = (TEHandle)(*mc->editbox.tbctrl)->contrlData;

        olen = (*te)->teLength;
        if (olen > length - 1)
            olen = length - 1;
        memcpy(buffer, *(*te)->hText, olen);
    }
#endif
    buffer[olen] = '\0';
}


/*
 * List Box control
 */

static void dlg_macpopup_clear(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->popup.menu;
    unsigned int i, n;

    if (mc == NULL) return;
    n = CountMenuItems(menu);
    for (i = 0; i < n; i++)
        DeleteMenuItem(menu, n - i);
    mc->popup.nids = 0;
    sfree(mc->popup.ids);
    mc->popup.ids = NULL;
    SetControlMaximum(mc->popup.tbctrl, CountMenuItems(menu));
}

static void dlg_macedit_clear(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->editbox.menu;
    unsigned int i, n;

    if (mc == NULL) return;
    n = CountMenuItems(menu);
    for (i = 0; i < n; i++)
        DeleteMenuItem(menu, n - i);
    mc->editbox.nids = 0;
    sfree(mc->editbox.ids);
    mc->editbox.ids = NULL;
    SetControlMaximum(mc->editbox.tbbutton, CountMenuItems(menu));
}

static void dlg_maclist_clear(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    if (mc == NULL) return;
    LDelRow(0, 0, mc->listbox.list);
    mc->listbox.nids = 0;
    sfree(mc->listbox.ids);
    mc->listbox.ids = NULL;
    DrawOneControl(mc->listbox.tbctrl);
}

void dlg_listbox_clear(union control *ctrl, void *dlg)
{

    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            dlg_macpopup_clear(ctrl, dlg);
        else
            dlg_maclist_clear(ctrl, dlg);
        break;
      case CTRL_EDITBOX:
        dlg_macedit_clear(ctrl, dlg);
    }
}

static void dlg_macpopup_del(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->popup.menu;

    if (mc == NULL) return;
    DeleteMenuItem(menu, index + 1);
    if (mc->popup.ids != NULL)
        memcpy(mc->popup.ids + index, mc->popup.ids + index + 1,
               (mc->popup.nids - index - 1) * sizeof(*mc->popup.ids));
    SetControlMaximum(mc->popup.tbctrl, CountMenuItems(menu));
}

static void dlg_macedit_del(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->editbox.menu;

    if (mc == NULL) return;
    DeleteMenuItem(menu, index + 1);
    if (mc->editbox.ids != NULL)
        memcpy(mc->editbox.ids + index, mc->editbox.ids + index + 1,
               (mc->editbox.nids - index - 1) * sizeof(*mc->editbox.ids));
    SetControlMaximum(mc->editbox.tbbutton, CountMenuItems(menu));
}

static void dlg_maclist_del(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    if (mc == NULL) return;
    LDelRow(1, index, mc->listbox.list);
    if (mc->listbox.ids != NULL)
        memcpy(mc->listbox.ids + index, mc->listbox.ids + index + 1,
               (mc->listbox.nids - index - 1) * sizeof(*mc->listbox.ids));
    DrawOneControl(mc->listbox.tbctrl);
}

void dlg_listbox_del(union control *ctrl, void *dlg, int index)
{

    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            dlg_macpopup_del(ctrl, dlg, index);
        else
            dlg_maclist_del(ctrl, dlg, index);
        break;
      case CTRL_EDITBOX:
        dlg_macedit_del(ctrl, dlg, index);
    }
}

static void dlg_macpopup_add(union control *ctrl, void *dlg, char const *text)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->popup.menu;
    Str255 itemstring;

    if (mc == NULL) return;
    assert(text[0] != '\0');
    c2pstrcpy(itemstring, text);
    AppendMenu(menu, "\pdummy");
    SetMenuItemText(menu, CountMenuItems(menu), itemstring);
    SetControlMaximum(mc->popup.tbctrl, CountMenuItems(menu));
}

static void dlg_macedit_add(union control *ctrl, void *dlg, char const *text)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->editbox.menu;
    Str255 itemstring;

    if (mc == NULL) return;
    assert(text[0] != '\0');
    c2pstrcpy(itemstring, text);
    AppendMenu(menu, "\pdummy");
    SetMenuItemText(menu, CountMenuItems(menu), itemstring);
    SetControlMaximum(mc->editbox.tbbutton, CountMenuItems(menu));
}

static void dlg_maclist_add(union control *ctrl, void *dlg, char const *text)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    ListBounds bounds;
    Cell cell = { 0, 0 };

    if (mc == NULL) return;
#if TARGET_API_MAC_CARBON
    GetListDataBounds(mc->listbox.list, &bounds);
#else
    bounds = (*mc->listbox.list)->dataBounds;
#endif
    cell.v = bounds.bottom;
    LAddRow(1, cell.v, mc->listbox.list);
    LSetCell(text, strlen(text), cell, mc->listbox.list);
    DrawOneControl(mc->listbox.tbctrl);
}

void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
{

    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            dlg_macpopup_add(ctrl, dlg, text);
        else
            dlg_maclist_add(ctrl, dlg, text);
        break;
      case CTRL_EDITBOX:
        dlg_macedit_add(ctrl, dlg, text);
        break;
    }
}

static void dlg_macpopup_addwithid(union control *ctrl, void *dlg,
                                   char const *text, int id)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->popup.menu;
    unsigned int index;

    if (mc == NULL) return;
    dlg_macpopup_add(ctrl, dlg, text);
    index = CountMenuItems(menu) - 1;
    if (mc->popup.nids <= index) {
        mc->popup.nids = index + 1;
        mc->popup.ids = sresize(mc->popup.ids, mc->popup.nids, int);
    }
    mc->popup.ids[index] = id;
}

static void dlg_macedit_addwithid(union control *ctrl, void *dlg,
                                   char const *text, int id)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    MenuRef menu = mc->editbox.menu;
    unsigned int index;

    if (mc == NULL) return;
    dlg_macedit_add(ctrl, dlg, text);
    index = CountMenuItems(menu) - 1;
    if (mc->editbox.nids <= index) {
        mc->editbox.nids = index + 1;
        mc->editbox.ids = sresize(mc->editbox.ids, mc->editbox.nids, int);
    }
    mc->editbox.ids[index] = id;
}

static void dlg_maclist_addwithid(union control *ctrl, void *dlg,
                                  char const *text, int id)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    ListBounds bounds;
    int index;

    if (mc == NULL) return;
    dlg_maclist_add(ctrl, dlg, text);
#if TARGET_API_MAC_CARBON
    GetListDataBounds(mc->listbox.list, &bounds);
#else
    bounds = (*mc->listbox.list)->dataBounds;
#endif
    index = bounds.bottom;
    if (mc->listbox.nids <= index) {
        mc->listbox.nids = index + 1;
        mc->listbox.ids = sresize(mc->listbox.ids, mc->listbox.nids, int);
    }
    mc->listbox.ids[index] = id;
}

void dlg_listbox_addwithid(union control *ctrl, void *dlg,
                           char const *text, int id)
{

    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            dlg_macpopup_addwithid(ctrl, dlg, text, id);
        else
            dlg_maclist_addwithid(ctrl, dlg, text, id);
        break;
      case CTRL_EDITBOX:
        dlg_macedit_addwithid(ctrl, dlg, text, id);
        break;
    }
}

int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    assert(mc != NULL);
    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0) {
            assert(mc->popup.ids != NULL && mc->popup.nids > index);
            return mc->popup.ids[index];
        } else {
            assert(mc->listbox.ids != NULL && mc->listbox.nids > index);
            return mc->listbox.ids[index];
        }
      case CTRL_EDITBOX:
        assert(mc->editbox.ids != NULL && mc->editbox.nids > index);
        return mc->editbox.ids[index];
    }
    return -1;
}

int dlg_listbox_index(union control *ctrl, void *dlg)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    Cell cell = { 0, 0 };

    assert(mc != NULL);
    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            return GetControlValue(mc->popup.tbctrl) - 1;
        else {
            if (LGetSelect(TRUE, &cell, mc->listbox.list))
                return cell.v;
            else
                return -1;
        }
      case CTRL_EDITBOX:
        return GetControlValue(mc->editbox.tbbutton) - 1;
    }
    return -1;
}

int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    Cell cell = { 0, 0 };

    assert(mc != NULL);
    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            return GetControlValue(mc->popup.tbctrl) - 1 == index;
        else {
            cell.v = index;
            return LGetSelect(FALSE, &cell, mc->listbox.list);
        }
      case CTRL_EDITBOX:
        return GetControlValue(mc->editbox.tbbutton) - 1 == index;
    }
    return FALSE;
}

void dlg_listbox_select(union control *ctrl, void *dlg, int index)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    if (mc == NULL) return;
    switch (ctrl->generic.type) {
      case CTRL_LISTBOX:
        if (ctrl->listbox.height == 0)
            SetControlValue(mc->popup.tbctrl, index + 1);
        break;
      case CTRL_EDITBOX:
        SetControlValue(mc->editbox.tbbutton, index + 1);
    }
}

static void draglist_move(union macctrl *mc, struct macctrls *mcs,
                          int direction)
{
    ListBounds bounds;
    Cell cell = {0, 0};
    char current[255];
    char new[255];
    short curlength = 255;
    short newlength = 255;
    int curid, newid;

    int index = dlg_listbox_index(mc->generic.ctrl, mcs);

#if TARGET_API_MAC_CARBON
    GetListDataBounds(mc->listbox.list, &bounds);
#else
    bounds = (*mc->listbox.list)->dataBounds;
#endif

    if ((index < 0) ||
        (index == 0 && direction < 0) ||
        (index == bounds.bottom-1 && direction > 0)) {
        SysBeep(30);
        return;
    }

    /* Swap the contents of the selected and target list cells */

    cell.v = index;
    LGetCell(current, &curlength, cell, mc->listbox.list);
    current[curlength] = '\0';
    cell.v += direction;
    LGetCell(new, &newlength, cell, mc->listbox.list);
    new[newlength] = '\0';

    cell.v = index;
    LSetCell(new, newlength, cell, mc->listbox.list);
    cell.v += direction;
    LSetCell(current, curlength, cell, mc->listbox.list);

    /* Move the selection to the target list cell */

    cell.v = index;
    LSetSelect(FALSE, cell, mc->listbox.list);
    cell.v += direction;
    LSetSelect(TRUE, cell, mc->listbox.list);
    DrawOneControl(mc->listbox.tbctrl);

    /* Swap the ids of the list cells */

    curid = mc->listbox.ids[index];
    newid = mc->listbox.ids[index + direction];
    mc->listbox.ids[index] = newid;
    mc->listbox.ids[index + direction] = curid;
                            
    ctrlevent(mcs, mc, EVENT_VALCHANGE);
}

static void draglist_up(union macctrl *mc, struct macctrls *mcs)
{
    draglist_move(mc, mcs, -1);
}

static void draglist_down(union macctrl *mc, struct macctrls *mcs)
{
    draglist_move(mc, mcs, +1);
}

/*
 * Text control
 */

void dlg_text_set(union control *ctrl, void *dlg, char const *text)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);

    if (mc == NULL) return;
    if (mac_gestalts.apprvers >= 0x100)
        SetControlData(mc->text.tbctrl, kControlEntireControl,
                       kControlStaticTextTextTag, strlen(text), text);
#if !TARGET_API_MAC_CARBON
    else
        TESetText(text, strlen(text),
                  (TEHandle)(*mc->text.tbctrl)->contrlData);
#endif
}


/*
 * File Selector control
 */

void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
{

}

void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
{

}


/*
 * Font Selector control
 */

void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fn)
{

}

void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fn)
{

}


/*
 * Printer enumeration
 */

printer_enum *printer_start_enum(int *nprinters)
{

    *nprinters = 0;
    return NULL;
}

char *printer_get_name(printer_enum *pe, int thing)
{

    return "<none>";
}

void printer_finish_enum(printer_enum *pe)
{

}


/*
 * Colour selection stuff
 */

void dlg_coloursel_start(union control *ctrl, void *dlg,
                         int r, int g, int b)
{
    struct macctrls *mcs = dlg;
    union macctrl *mc = findbyctrl(mcs, ctrl);
    Point where = {-1, -1}; /* Screen with greatest colour depth */
    RGBColor incolour;

    if (HAVE_COLOR_QD()) {
        incolour.red = r * 0x0101;
        incolour.green = g * 0x0101;
        incolour.blue = b * 0x0101;
        mcs->gotcolour = GetColor(where, "\pModify Colour:", &incolour,
                                  &mcs->thecolour);
        ctrlevent(mcs, mc, EVENT_CALLBACK);
    } else
        dlg_beep(dlg);
}

int dlg_coloursel_results(union control *ctrl, void *dlg,
                          int *r, int *g, int *b)
{
    struct macctrls *mcs = dlg;

    if (mcs->gotcolour) {
        *r = mcs->thecolour.red >> 8;
        *g = mcs->thecolour.green >> 8;
        *b = mcs->thecolour.blue >> 8;
        return 1;
    } else
        return 0;
}

void dlg_label_change(union control *ctrl, void *dlg, char const *text)
{
    /*
     * This function is currently only used by the config box to
     * switch the labels on the host and port boxes between serial
     * and network modes. Since the Mac port does not have a serial
     * back end, this function can safely do nothing.
     */
}


/*
 * Local Variables:
 * c-file-style: "simon"
 * End:
 */