Beispiel #1
0
    static Boolean
do_choice(Widget w,
	SharedFontSelData *data,
	XmListCallbackStruct *call_data,
	enum ListSpecifier which)
{
    char *sel;

    XmStringGetLtoR(call_data->item, XmSTRING_DEFAULT_CHARSET, &sel);

    if (!data->sel[which])
	data->sel[which] = XtNewString(sel);
    else
    {
	if (!strcmp(data->sel[which], sel))
	{
	    /* unselecting current selection */
	    XtFree(data->sel[which]);
	    data->sel[which] = NULL;
	    if (w)
		XmListDeselectItem(w, call_data->item);
	}
	else
	{
	    XtFree(data->sel[which]);
	    data->sel[which] = XtNewString(sel);
	}
    }
    XtFree(sel);

    fill_lists(which, data);

    /* If there is a font selection, we display it. */
    if (data->sel[ENCODING]
	    && data->sel[NAME]
	    && data->sel[STYLE]
	    && data->sel[SIZE]
	    && strcmp(data->sel[ENCODING], wild)
	    && strcmp(data->sel[NAME], wild)
	    && strcmp(data->sel[STYLE], wild)
	    && strcmp(data->sel[SIZE], wild))
    {
	int i;

	if (data->font_name)
	    XtFree(data->font_name);
	data->font_name = NULL;

	for (i = 0; i < data->num; i++)
	{
	    if (match(data, ENCODING, i)
		    && match(data, NAME, i)
		    && match(data, STYLE, i)
		    && match(data, SIZE, i))
	    {
		data->font_name = XtNewString(fn(data, i));
		break;
	    }
	}

	if (data->font_name)
	{
	    XmTextSetString(data->name, data->font_name);
	    display_sample(data);
	}
	else
	    do_dialog(VIM_ERROR,
		    (char_u *)_("Error"),
		    (char_u *)_("Invalid font specification"),
		    (char_u *)_("&Dismiss"), 1, NULL);

	return True;
    }
    else
    {
	int	    n;
	XmString    str;
	Arg	    args[4];
	char	    *nomatch_msg = _("no specific match");

	n = 0;
	str = XmStringCreateLocalized(nomatch_msg);
	XtSetArg(args[n], XmNlabelString, str); ++n;
	XtSetValues(data->sample, args, n);
	apply_fontlist(data->sample);
	XmTextSetString(data->name, nomatch_msg);
	XmStringFree(str);

	return False;
    }
}
/*
 * Returns pointer to an ASCII character string that contains the name of the
 * selected font (in X format for naming fonts); it is the users responsibility
 * to free the space allocated to this string.
 */
    char_u *
gui_xm_select_font(char_u *current)
{
    static SharedFontSelData	_data;

    Widget		parent;
    Widget		form;
    Widget		separator;
    Widget		sub_form;
    Widget		size_toggle;
    Widget		name;
    Widget		disp_frame;
    Widget		frame;
    Arg			args[64];
    int			n;
    XmString		str;
    char		big_font[MAX_FONT_NAME_LEN];
    SharedFontSelData	*data;

    data = &_data;

    parent = vimShell;
    data->names = XListFonts(XtDisplay(parent), "-*-*-*-*-*-*-*-*-*-*-*-*-*-*",
						       MAX_FONTS, &data->num);

    /*
     * Find the name of the biggest font less than the given limit
     * MAX_DISPLAY_SIZE used to set up the initial height of the display
     * widget.
     */

    {
	int	i;
	int	max;
	int	index = 0;
	int	size;
	char	str[128];

	for (i = 0, max = 0; i < data->num; i++)
	{
	    get_part(fn(data, i), 7, str);
	    size = atoi(str);
	    if ((size > max) && (size < MAX_DISPLAY_SIZE))
	    {
		index = i;
		max = size;
	    }
	}
	strcpy(big_font, fn(data, index));
    }
    data->old = XLoadQueryFont(XtDisplay(parent), big_font);
    data->old_list = gui_motif_create_fontlist(data->old);

    /* Set the title of the Dialog window. */
    data->dialog = XmCreateDialogShell(parent, "fontSelector", NULL, 0);
    str = XmStringCreateLocalized(_("Vim - Font Selector"));

    /* Create form popup dialog widget. */
    form = XtVaCreateWidget("form",
	    xmFormWidgetClass, data->dialog,
	    XmNdialogTitle, str,
	    XmNautoUnmanage, False,
	    XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL,
	    NULL);
    XmStringFree(str);

    sub_form = XtVaCreateManagedWidget("subForm",
	    xmFormWidgetClass, form,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNbottomOffset, 4,
	    XmNrightAttachment, XmATTACH_FORM,
	    XmNrightOffset, 4,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNtopOffset, 4,
	    XmNorientation, XmVERTICAL,
	    NULL);

    data->ok = XtVaCreateManagedWidget(_("OK"),
	    xmPushButtonGadgetClass, sub_form,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNrightAttachment, XmATTACH_FORM,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNtopOffset, 4,
	    NULL);
    apply_fontlist(data->ok);

    data->cancel = XtVaCreateManagedWidget(_("Cancel"),
	    xmPushButtonGadgetClass, sub_form,
	    XmNrightAttachment, XmATTACH_FORM,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNtopAttachment, XmATTACH_WIDGET,
	    XmNtopWidget, data->ok,
	    XmNtopOffset, 4,
	    XmNshowAsDefault, True,
	    NULL);
    apply_fontlist(data->cancel);

    /* Create the separator for beauty. */
    n = 0;
    XtSetArg(args[n], XmNorientation, XmVERTICAL); n++;
    XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++;
    XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
    XtSetArg(args[n], XmNrightAttachment, XmATTACH_WIDGET); n++;
    XtSetArg(args[n], XmNrightWidget, sub_form); n++;
    XtSetArg(args[n], XmNrightOffset, 4); n++;
    separator = XmCreateSeparatorGadget(form, "separator", args, n);
    XtManageChild(separator);

    /* Create font name text widget and the corresponding label. */
    data->name = XtVaCreateManagedWidget("fontName",
	    xmTextWidgetClass, form,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNbottomOffset, 4,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNleftOffset, 4,
	    XmNrightAttachment, XmATTACH_WIDGET,
	    XmNrightWidget, separator,
	    XmNrightOffset, 4,
	    XmNeditable, False,
	    XmNeditMode, XmSINGLE_LINE_EDIT,
	    XmNmaxLength, MAX_FONT_NAME_LEN,
	    XmNcolumns, 60,
	    NULL);

    str = XmStringCreateLocalized(_("Name:"));
    name = XtVaCreateManagedWidget("fontNameLabel",
	    xmLabelGadgetClass, form,
	    XmNlabelString, str,
	    XmNuserData, data->name,
	    XmNleftAttachment, XmATTACH_OPPOSITE_WIDGET,
	    XmNleftWidget, data->name,
	    XmNbottomAttachment, XmATTACH_WIDGET,
	    XmNbottomWidget, data->name,
	    XmNtopOffset, 1,
	    NULL);
    XmStringFree(str);
    apply_fontlist(name);

    /* create sample display label widget */
    disp_frame = XtVaCreateManagedWidget("sampleFrame",
	    xmFrameWidgetClass, form,
	    XmNshadowType, XmSHADOW_ETCHED_IN,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNleftOffset, 4,
	    XmNbottomAttachment, XmATTACH_WIDGET,
	    XmNbottomWidget, name,
	    XmNrightAttachment, XmATTACH_WIDGET,
	    XmNrightWidget, separator,
	    XmNrightOffset, 4,
	    XmNalignment, XmALIGNMENT_BEGINNING,
	    NULL);

    data->sample = XtVaCreateManagedWidget("sampleLabel",
	    xmLabelWidgetClass, disp_frame,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNrightAttachment, XmATTACH_FORM,
	    XmNalignment, XmALIGNMENT_BEGINNING,
	    XmNrecomputeSize, False,
	    XmNfontList, data->old_list,
	    NULL);

    /* create toggle button */
    str = XmStringCreateLocalized(_("Show size in Points"));
    size_toggle = XtVaCreateManagedWidget("sizeToggle",
	    xmToggleButtonGadgetClass, form,
	    XmNlabelString, str,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNleftOffset, 4,
	    XmNbottomAttachment, XmATTACH_WIDGET,
	    XmNbottomWidget, disp_frame,
	    XmNbottomOffset, 4,
	    NULL);
    XmStringFree(str);
    apply_fontlist(size_toggle);
    XtManageChild(size_toggle);

    /* Encoding pulldown menu.
     */

    data->encoding_pulldown = XmCreatePulldownMenu(form,
						 "encodingPulldown", NULL, 0);
    str = XmStringCreateLocalized(_("Encoding:"));
    n = 0;
    XtSetArg(args[n], XmNsubMenuId, data->encoding_pulldown); ++n;
    XtSetArg(args[n], XmNlabelString, str); ++n;
    XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); ++n;
    XtSetArg(args[n], XmNleftOffset, 4); ++n;
    XtSetArg(args[n], XmNbottomAttachment, XmATTACH_WIDGET); ++n;
    XtSetArg(args[n], XmNbottomWidget, size_toggle); ++n;
    XtSetArg(args[n], XmNbottomOffset, 4); ++n;
    XtSetArg(args[n], XmNrightAttachment, XmATTACH_WIDGET); ++n;
    XtSetArg(args[n], XmNrightWidget, separator); ++n;
    XtSetArg(args[n], XmNrightOffset, 4); ++n;
    data->encoding_menu = XmCreateOptionMenu(form, "encodingMenu", args, n);
    XmStringFree(str);
    XmAddTabGroup(data->encoding_menu);

    /*
     * Create scroll list widgets in a separate subform used to manage the
     * different sizes of the lists.
     */

    sub_form = XtVaCreateManagedWidget("subForm",
	    xmFormWidgetClass, form,
	    XmNbottomAttachment, XmATTACH_WIDGET,
	    XmNbottomWidget, data->encoding_menu,
	    XmNbottomOffset, 4,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNleftOffset, 4,
	    XmNrightAttachment, XmATTACH_WIDGET,
	    XmNrightWidget, separator,
	    XmNrightOffset, 4,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNtopOffset, 2,
	    XmNorientation, XmVERTICAL,
	    NULL);

    /* font list */
    frame = XtVaCreateManagedWidget("frame", xmFrameWidgetClass, sub_form,
	    XmNshadowThickness, 0,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNrightAttachment, XmATTACH_POSITION,
	    XmNrightPosition, 50,
	    NULL);

    str = XmStringCreateLocalized(_("Font:"));
    name = XtVaCreateManagedWidget("nameListLabel", xmLabelGadgetClass, frame,
	    XmNchildType, XmFRAME_TITLE_CHILD,
	    XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
	    XmNchildHorizontalAlignment, XmALIGNMENT_BEGINNING,
	    XmNlabelString, str,
	    NULL);
    XmStringFree(str);
    apply_fontlist(name);

    n = 0;
    XtSetArg(args[n], XmNvisibleItemCount, 8); ++n;
    XtSetArg(args[n], XmNresizable, True); ++n;
    XtSetArg(args[n], XmNlistSizePolicy, XmCONSTANT); ++n;
    XtSetArg(args[n], XmNvisualPolicy, XmVARIABLE); ++n;
#ifdef LESSTIF_VERSION
    XtSetArg(args[n], XmNscrollBarDisplayPolicy, XmSTATIC); ++n;
#endif
    data->list[NAME] = XmCreateScrolledList(frame, "fontList", args, n);
    XtVaSetValues(name, XmNuserData, data->list[NAME], NULL);

    /* style list */
    frame = XtVaCreateManagedWidget("frame", xmFrameWidgetClass, sub_form,
	    XmNshadowThickness, 0,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNleftAttachment, XmATTACH_POSITION,
	    XmNleftPosition, 50,
	    XmNleftOffset, 4,
	    XmNrightAttachment, XmATTACH_POSITION,
	    XmNrightPosition, 80,
	    NULL);

    str = XmStringCreateLocalized(_("Style:"));
    name = XtVaCreateManagedWidget("styleListLabel", xmLabelWidgetClass, frame,
	    XmNchildType, XmFRAME_TITLE_CHILD,
	    XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
	    XmNchildHorizontalAlignment, XmALIGNMENT_BEGINNING,
	    XmNlabelString, str,
	    NULL);
    XmStringFree(str);
    apply_fontlist(name);

    n = 0;
    XtSetArg(args[n], XmNvisibleItemCount, 8); ++n;
    XtSetArg(args[n], XmNresizable, True); ++n;
    XtSetArg(args[n], XmNlistSizePolicy, XmCONSTANT); ++n;
    XtSetArg(args[n], XmNvisualPolicy, XmVARIABLE); ++n;
#ifdef LESSTIF_VERSION
    XtSetArg(args[n], XmNscrollBarDisplayPolicy, XmSTATIC); ++n;
#endif
    data->list[STYLE] = XmCreateScrolledList(frame, "styleList", args, n);
    XtVaSetValues(name, XmNuserData, data->list[STYLE], NULL);

    /* size list */
    frame = XtVaCreateManagedWidget("frame", xmFrameWidgetClass, sub_form,
	    XmNshadowThickness, 0,
	    XmNtopAttachment, XmATTACH_FORM,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNleftAttachment, XmATTACH_POSITION,
	    XmNleftPosition, 80,
	    XmNleftOffset, 4,
	    XmNrightAttachment, XmATTACH_FORM,
	    NULL);

    str = XmStringCreateLocalized(_("Size:"));
    name = XtVaCreateManagedWidget("sizeListLabel", xmLabelGadgetClass, frame,
	    XmNchildType, XmFRAME_TITLE_CHILD,
	    XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
	    XmNchildHorizontalAlignment, XmALIGNMENT_BEGINNING,
	    XmNlabelString, str,
	    NULL);
    XmStringFree(str);
    apply_fontlist(name);

    n = 0;
    XtSetArg(args[n], XmNvisibleItemCount, 8); ++n;
    XtSetArg(args[n], XmNresizable, True); ++n;
    XtSetArg(args[n], XmNlistSizePolicy, XmCONSTANT); ++n;
    XtSetArg(args[n], XmNvisualPolicy, XmVARIABLE); ++n;
#ifdef LESSTIF_VERSION
    XtSetArg(args[n], XmNscrollBarDisplayPolicy, XmSTATIC); ++n;
#endif
    data->list[SIZE] = XmCreateScrolledList(frame, "sizeList", args, n);
    XtVaSetValues(name, XmNuserData, data->list[SIZE], NULL);

    /* update form widgets cancel button */
    XtVaSetValues(form, XmNcancelButton, data->cancel, NULL);

    XtAddCallback(size_toggle, XmNvalueChangedCallback,
	    (XtCallbackProc)stoggle_callback, (XtPointer)data);
    XtAddCallback(data->list[NAME], XmNbrowseSelectionCallback,
	    (XtCallbackProc)name_callback, (XtPointer)data);
    XtAddCallback(data->list[STYLE], XmNbrowseSelectionCallback,
	    (XtCallbackProc)style_callback, (XtPointer)data);
    XtAddCallback(data->list[SIZE], XmNbrowseSelectionCallback,
	    (XtCallbackProc)size_callback, (XtPointer)data);
    XtAddCallback(data->ok, XmNactivateCallback,
	    (XtCallbackProc)ok_callback, (XtPointer)data);
    XtAddCallback(data->cancel, XmNactivateCallback,
	    (XtCallbackProc)cancel_callback, (XtPointer)data);

    XmProcessTraversal(data->list[NAME], XmTRAVERSE_CURRENT);

    /* setup tabgroups */

    XmAddTabGroup(data->list[NAME]);
    XmAddTabGroup(data->list[STYLE]);
    XmAddTabGroup(data->list[SIZE]);
    XmAddTabGroup(size_toggle);
    XmAddTabGroup(data->name);
    XmAddTabGroup(data->ok);
    XmAddTabGroup(data->cancel);

    add_cancel_action(data->dialog, (XtCallbackProc)cancel_callback, data);

    /* Preset selection data. */

    data->exit = False;
    data->in_pixels= True;
    data->sel[ENCODING] = NULL;
    data->sel[NAME] = NULL;
    data->sel[STYLE] = NULL;
    data->sel[SIZE] = NULL;
    data->font_name = NULL;

    /* set up current font parameters */
    if (current && current[0] != '\0')
    {
	int	    i;
	char	    **names;

	names = XListFonts(XtDisplay(form), (char *) current, 1, &i);

	if (i != 0)
	{
	    char name[TEMP_BUF_SIZE];
	    char style[TEMP_BUF_SIZE];
	    char size[TEMP_BUF_SIZE];
	    char encoding[TEMP_BUF_SIZE];
	    char *found;

	    found = names[0];

	    name_part(found, name);
	    style_part(found, style);
	    size_part(found, size, data->in_pixels);
	    encoding_part(found, encoding);

	    if (strlen(name) > 0
		    && strlen(style) > 0
		    && strlen(size) > 0
		    && strlen(encoding) > 0)
	    {
		data->sel[NAME] = XtNewString(name);
		data->sel[STYLE] = XtNewString(style);
		data->sel[SIZE] = XtNewString(size);
		data->sel[ENCODING] = XtNewString(encoding);
		data->font_name = XtNewString(names[0]);
		display_sample(data);
		XmTextSetString(data->name, data->font_name);
	    }
	    else
	    {
		/* We can't preset a symbolic name, which isn't a full font
		 * description. Therefore we just behave the same way as if the
		 * user didn't have selected anything thus far.
		 *
		 * Unfortunately there is no known way to expand an abbreviated
		 * font name.
		 */

		data->font_name = NULL;
	    }
	}
	XFreeFontNames(names);
    }

    fill_lists(NONE, data);

    /* Unfortunately LessTif doesn't align the list widget's properly.  I don't
     * have currently any idea how to fix this problem.
     */
    XtManageChild(data->list[NAME]);
    XtManageChild(data->list[STYLE]);
    XtManageChild(data->list[SIZE]);
    XtManageChild(data->encoding_menu);
    manage_centered(form);

    /* modal event loop */
    while (!data->exit)
	XtAppProcessEvent(XtWidgetToApplicationContext(data->dialog),
							(XtInputMask)XtIMAll);

    XtDestroyWidget(data->dialog);

    if (data->old)
    {
	XFreeFont(XtDisplay(data->dialog),  data->old);
	XmFontListFree(data->old_list);
    }

    gui_motif_synch_fonts();

    return (char_u *) data->font_name;
}