mirror of https://github.com/Gnucash/gnucash
A lot of code ripped off from earlier PopBox implementation git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@447 57a11ea4-9604-0410-9ed3-97b8803252fdzzzoldfeatures/multiline
Linas Vepstas
29 years ago
parent
48efe19639
commit
76674673f2
@ -0,0 +1,172 @@
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#include <X11/keysym.h>
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#include <Xm/Xm.h>
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#include <ComboBox.h>
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#include "combocell.h"
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/* Some GUI-private date that is inappropriate for
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* the public interface. In this impelmentation,
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* it holds XtMotif data that we need.
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*/
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typedef struct _PopBox {
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Widget combobox;
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Widget parent; /* the parent table widget */
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int currow;
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int curcol;
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} PopBox;
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static void selectCB (Widget w, XtPointer cd, XtPointer cb );
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static void dropDownCB (Widget w, XtPointer cd, XtPointer cb );
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/* =============================================== */
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ComboCell *xaccMallocComboCell (void)
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{
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ComboCell * cell;
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cell = (ComboCell *) malloc (sizeof (ComboCell));
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xaccInitComboCell (cell);
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return cell;
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}
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void xaccInitComboCell (ComboCell *cell)
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{
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PopBox *box;
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xaccInitBasicCell ( &(cell->cell));
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cell->gui = (struct _PopBox *) box;
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}
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/* =============================================== */
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void RealizeCombo (struct _BasicCell *bcell, void *w)
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{
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ComboCell *cell;
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PopBox *box;
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Widget parent;
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Widget combobox;
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int width = 10; /* hack alert --- */
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int drop_width = 10;
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parent = (Widget) w;
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cell = (ComboCell *) bcell;
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box = (PopBox *) malloc (sizeof (PopBox));
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box->parent = parent;
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box->currow = -1;
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box->curcol = -1;
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cell->gui = (struct _PopBox *) box;
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/* create the pop GUI */
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combobox = XtVaCreateManagedWidget
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("popbox", xmComboBoxWidgetClass, parent,
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XmNshadowThickness, 0, /* don't draw a shadow,
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* use bae shadows */
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XmNeditable, False, /* user can only pick from list */
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XmNsorted, False,
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XmNshowLabel, False,
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XmNmarginHeight, 0,
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XmNmarginWidth, 0,
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XmNselectionPolicy, XmSINGLE_SELECT,
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XmNvalue, "",
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XmNwidth, width,
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NULL);
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box->combobox = combobox;
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if (10 < drop_width) {
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XtVaSetValues (combobox, XmNdropDownWidth, drop_width, NULL);
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}
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box->combobox = combobox;
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/* add callbacks to detect a selection */
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XtAddCallback (combobox, XmNselectionCallback, selectCB, (XtPointer)box);
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XtAddCallback (combobox, XmNunselectionCallback, selectCB, (XtPointer)box);
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XtAddCallback (combobox, XmNdropDownCallback, dropDownCB, (XtPointer)box);
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}
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/* =============================================== */
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static void selectCB (Widget w, XtPointer cd, XtPointer cb )
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{
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PopBox *ab = (PopBox *) cd;
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XmComboBoxSelectionCallbackStruct *selection =
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(XmComboBoxSelectionCallbackStruct *) cb;
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char * choice = 0x0;
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/* check the reason, because the unslect callback
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* doesn't even have a value field! */
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if ( (XmCR_SINGLE_SELECT == selection->reason) ||
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(XmCR_SINGLE_SELECT == selection->reason) ) {
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choice = XmCvtXmStringToCT (selection->value);
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}
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if (!choice) choice = "";
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printf ("yo combo select %s \n", choice);
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/* XbaeMatrixSetCell (ab->reg, ab->currow, ab->curcol, choice); */
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/* a diffeent way of getting the user's selection ... */
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/* text = XmComboBoxGetString (ab->combobox); */
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}
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/* =============================================== */
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/********************************************************************\
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* fix traversal by going back to the register window
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* when the pull-down menu goes away. We do NOT want to
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* go to the default next tab group, which is probably
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* some button not in theregister window.
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\********************************************************************/
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static void dropDownCB (Widget w, XtPointer cd, XtPointer cb )
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{
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PopBox *ab = (PopBox *) cd;
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XmComboBoxDropDownCallbackStruct *ddcb =
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(XmComboBoxDropDownCallbackStruct *) cb;
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if (XmCR_HIDE_LIST == ddcb->reason) {
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XmProcessTraversal(ab->parent, XmTRAVERSE_CURRENT);
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}
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#ifdef USE_COMPLEX_TRAVERSAL_LOGIC
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/* continue traversal only under certain special curcumstances */
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if (XmCR_HIDE_LIST == ddcb->reason) {
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if (ddcb->event) {
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/* don't leave if only a focus-out */
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if (FocusOut == ddcb->event->type) {
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XmProcessTraversal(ab->combobox, XmTRAVERSE_CURRENT);
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} else
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/* if user selected something, then go to next cell */
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if (ButtonRelease == ddcb->event->type) {
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XmProcessTraversal(ab->reg, XmTRAVERSE_CURRENT);
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} else
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/* if user hit the tab key, go to next cell */
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if ((KeyPress == ddcb->event->type) || (KeyRelease == ddcb->event->type
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)) {
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KeySym sim;
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XKeyEvent *kev = (XKeyEvent *) ddcb->event;
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sim = XLookupKeysym (kev, 0);
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if (XK_Tab == sim) { /* did the user hit the tab key ?? */
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XmProcessTraversal(ab->reg, XmTRAVERSE_CURRENT);
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}
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}
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}
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}
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#endif /* USE_COMPLEX_TRAVERSAL_LOGIC */
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}
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/* =============== end of file =================== */
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@ -0,0 +1,28 @@
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/*
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* FILE:
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* combocell.h
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*
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* FUNCTION:
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* Implements a combobox cell
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*
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* HISTORY:
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* Created Jan 1998 Linas Vepstas
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* Copyright (c) 1998 Linas Vepstas
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*/
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#ifndef __XACC_COMBO_CELL_C__
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#define __XACC_COMBO_CELL_C__
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#include "basiccell.h"
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typedef struct _ComboCell {
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BasicCell cell;
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struct _PopBox *gui; /* gui-private data */
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} ComboCell;
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ComboCell * xaccMallocComboCell (void);
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void xaccInitComboCell (ComboCell *);
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#endif /* __XACC_COMBO_CELL_C__ */
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/* --------------- end of file ---------------------- */
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