combobox.c

/* -------------- combobox.c -------------- */

#include "dflat.h"

int ListProc(WINDOW, MESSAGE, PARAM, PARAM);

int ComboProc(WINDOW wnd, MESSAGE msg, PARAM p1, PARAM p2)
{
    switch (msg)    {
        case CREATE_WINDOW:
            wnd->extension = CreateWindow(
                        LISTBOX,
                        NULL,
                        wnd->rc.lf,wnd->rc.tp+1,
                        wnd->ht-1, wnd->wd+1,
                        NULL,
                        wnd,
                        ListProc,
                        HASBORDER | NOCLIP | SAVESELF);
            ((WINDOW)(wnd->extension))->ct->command =
                                        wnd->ct->command;
            wnd->ht = 1;
            wnd->rc.bt = wnd->rc.tp;
			break;
        case PAINT:
            foreground = WndBackground(wnd);
            background = WndForeground(wnd);
            wputch(wnd, DOWNSCROLLBOX, WindowWidth(wnd), 0);
            break;
        case KEYBOARD:
            if ((int)p1 == DN)    {
                SendMessage(wnd->extension, SETFOCUS, TRUE, 0);
                return TRUE;
            }
            break;
        case LEFT_BUTTON:
            if ((int)p1 == GetRight(wnd) + 1)
                SendMessage(wnd->extension, SETFOCUS, TRUE, 0);
            break;
        case CLOSE_WINDOW:
            SendMessage(wnd->extension, CLOSE_WINDOW, 0, 0);
            break;
        default:
            break;
    }
    return BaseWndProc(COMBOBOX, wnd, msg, p1, p2);
}

int ListProc(WINDOW wnd, MESSAGE msg, PARAM p1, PARAM p2)
{
	WINDOW pwnd = GetParent(GetParent(wnd));
    DBOX *db = pwnd->extension;
    WINDOW cwnd;
    int rtn;
    WINDOW currFocus;
    char text[MAXCOLS];		//FIXME overrun possible
    switch (msg)    {
        case CREATE_WINDOW:
            wnd->ct = DFmalloc(sizeof(CTLWINDOW));
            wnd->ct->setting = OFF;
			wnd->WindowColors[FRAME_COLOR][FG] = 
				wnd->WindowColors[STD_COLOR][FG];
			wnd->WindowColors[FRAME_COLOR][BG] = 
				wnd->WindowColors[STD_COLOR][BG];
            rtn = DefaultWndProc(wnd, msg, p1, p2);
            return rtn;
        case SETFOCUS:
            if ((int)p1 == FALSE)    {
				if (!wnd->isHelping)	{
                	SendMessage(wnd, HIDE_WINDOW, 0, 0);
                	wnd->ct->setting = OFF;
				}
            }
            else
                wnd->ct->setting = ON;
            break;
        case SHOW_WINDOW:
            if (wnd->ct->setting == OFF)
                return TRUE;
            break;
        case BORDER:
            currFocus = inFocus;
            inFocus = NULL;
            rtn = DefaultWndProc(wnd, msg, p1, p2);
            inFocus = currFocus;
            return rtn;
        case LB_SELECTION:
            cwnd = ControlWindow(db, wnd->ct->command);
            rtn = DefaultWndProc(wnd, msg, p1, p2);
            SendMessage(wnd, LB_GETTEXT,
                            (PARAM) text, wnd->selection);
            PutItemText(pwnd, wnd->ct->command, text);
            SendMessage(cwnd, PAINT, 0, 0);
            cwnd->TextChanged = TRUE;
            return rtn;
        case KEYBOARD:
            cwnd = ControlWindow(db, wnd->ct->command);
            switch ((int) p1)    {
                case ESC:
                case FWD:
                case BS:
                    SendMessage(cwnd, SETFOCUS, TRUE, 0);
                    return TRUE;
                default:
                    break;
            }
            break;
        case LB_CHOOSE:
            cwnd = ControlWindow(db, wnd->ct->command);
            SendMessage(cwnd, SETFOCUS, TRUE, 0);
            return TRUE;
        case CLOSE_WINDOW:
            if (wnd->ct != NULL)
                free(wnd->ct);
            wnd->ct = NULL;
            break;
        default:
            break;
    }
    return DefaultWndProc(wnd, msg, p1, p2);
}

void PutComboListText(WINDOW wnd, enum commands cmd, char *text)
{
    CTLWINDOW *ct = FindCommand(wnd->extension, cmd, COMBOBOX);
    if (ct != NULL)        {
        WINDOW lwnd = ((WINDOW)(ct->wnd))->extension;
        SendMessage(lwnd, ADDTEXT, (PARAM) text, 0);
    }
}