зеркало из https://github.com/mozilla/pjs.git
482 строки
15 KiB
C
482 строки
15 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Name: <Xfe/FontChooser.c> */
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/* Description: XfeFontChooser widget source. */
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/* Author: Ramiro Estrugo <ramiro@netscape.com> */
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/* */
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/*----------------------------------------------------------------------*/
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#include <Xfe/FontChooserP.h>
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#include <Xfe/ManagerP.h>
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#include <Xm/ToggleB.h>
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/*----------------------------------------------------------------------*/
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/* */
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/* Warnings and messages */
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/* */
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/*----------------------------------------------------------------------*/
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#define MESSAGE1 "Widget is not a XfeFontChooser."
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#define FONT_CHOOSER_ITEM_NAME "FontChooserItemName"
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/*----------------------------------------------------------------------*/
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/* */
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/* Core class methods */
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/* */
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/*----------------------------------------------------------------------*/
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static void Initialize (Widget,Widget,ArgList,Cardinal *);
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static void Destroy (Widget);
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static Boolean SetValues (Widget,Widget,Widget,ArgList,Cardinal *);
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/*----------------------------------------------------------------------*/
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/* */
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/* Misc XfeFontChooser functions */
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/* */
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/*----------------------------------------------------------------------*/
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static XmFontList FontListAccess (Widget,Cardinal);
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static XmString StringAccess (Widget,Cardinal);
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static void UpdateItems (Widget);
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static void UpdateFonts (Widget);
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static void UpdateLabels (Widget);
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/*----------------------------------------------------------------------*/
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/* */
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/* Item callbacks */
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/* */
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/*----------------------------------------------------------------------*/
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static void ItemArmCB (Widget,XtPointer,XtPointer);
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static void ItemValueChangedCB (Widget,XtPointer,XtPointer);
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static void ItemDisarmCB (Widget,XtPointer,XtPointer);
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeFontChooser Resources */
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/* */
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/*----------------------------------------------------------------------*/
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static XtResource resources[] =
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{
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/* Callback resources */
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{
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XmNselectionChangedCallback,
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XmCCallback,
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XmRCallback,
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sizeof(XtCallbackList),
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XtOffsetOf(XfeFontChooserRec,xfe_font_chooser . selection_changed_callback),
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XmRImmediate,
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(XtPointer) NULL
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},
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/* Font item resources */
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{
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XmNnumFontItems,
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XmCNumFontItems,
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XmRCardinal,
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sizeof(Cardinal),
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XtOffsetOf(XfeFontChooserRec , xfe_font_chooser . num_font_items),
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XmRImmediate,
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(XtPointer) 0
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},
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{
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XmNfontItemLabels,
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XmCFontItemLabels,
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XmRXmStringTable,
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sizeof(XmString *),
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XtOffsetOf(XfeFontChooserRec , xfe_font_chooser . font_item_labels),
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XmRImmediate,
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(XtPointer) NULL
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},
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{
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XmNfontItemFonts,
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XmCFontItemFonts,
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XmRFontList,
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sizeof(XmFontList *),
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XtOffsetOf(XfeFontChooserRec , xfe_font_chooser . font_item_fonts),
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XmRImmediate,
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(XtPointer) NULL
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},
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/* Force mapping_delay to 0 */
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{
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XmNmappingDelay,
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XmCMappingDelay,
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XmRInt,
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sizeof(int),
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XtOffsetOf(XfeFontChooserRec , xfe_cascade . mapping_delay),
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XmRImmediate,
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(XtPointer) 0
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},
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/* Force sub_menu_alignment to XmALIGNMENT_END */
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{
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XmNsubMenuAlignment,
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XmCSubMenuAlignment,
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XmRAlignment,
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sizeof(unsigned char),
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XtOffsetOf(XfeFontChooserRec , xfe_cascade . sub_menu_alignment),
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XmRImmediate,
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(XtPointer) XmALIGNMENT_END
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},
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};
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeFontChooser widget class record initialization */
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/* */
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/*----------------------------------------------------------------------*/
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_XFE_WIDGET_CLASS_RECORD(fontchooser,FontChooser) =
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{
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{
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/* Core Part */
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(WidgetClass) &xfeCascadeClassRec, /* superclass */
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"XfeFontChooser", /* class_name */
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sizeof(XfeFontChooserRec), /* widget_size */
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NULL, /* class_initialize */
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NULL, /* class_part_initialize*/
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FALSE, /* class_inited */
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Initialize, /* initialize */
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NULL, /* initialize_hook */
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XtInheritRealize, /* realize */
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NULL, /* actions */
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0, /* num_actions */
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resources, /* resources */
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XtNumber(resources), /* num_resources */
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NULLQUARK, /* xrm_class */
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TRUE, /* compress_motion */
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XtExposeCompressMaximal, /* compress_exposure */
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TRUE, /* compress_enterleave */
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FALSE, /* visible_interest */
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Destroy, /* destroy */
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XtInheritResize, /* resize */
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XtInheritExpose, /* expose */
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SetValues, /* set_values */
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NULL, /* set_values_hook */
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XtInheritSetValuesAlmost, /* set_values_almost */
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NULL, /* get_values_hook */
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NULL, /* accept_focus */
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XtVersion, /* version */
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NULL, /* callback_private */
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XtInheritTranslations, /* tm_table */
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XtInheritQueryGeometry, /* query_geometry */
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XtInheritDisplayAccelerator, /* display accel */
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NULL, /* extension */
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},
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/* XmPrimitive Part */
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{
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XmInheritBorderHighlight, /* border_highlight */
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XmInheritBorderUnhighlight, /* border_unhighlight */
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XtInheritTranslations, /* translations */
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XmInheritArmAndActivate, /* arm_and_activate */
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NULL, /* syn resources */
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0, /* num syn_resources */
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NULL, /* extension */
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},
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/* XfePrimitive Part */
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{
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XfeInheritBitGravity, /* bit_gravity */
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XfeInheritPreferredGeometry, /* preferred_geometry */
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XfeInheritUpdateBoundary, /* update_boundary */
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NULL, /* prepare_components */
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XfeInheritLayoutComponents, /* layout_components */
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XfeInheritDrawBackground, /* draw_background */
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XfeInheritDrawShadow, /* draw_shadow */
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XfeInheritDrawComponents, /* draw_components */
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NULL, /* extension */
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},
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/* XfeLabel Part */
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{
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XfeInheritLayoutString, /* layout_string */
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XfeInheritDrawString, /* draw_string */
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XfeInheritDrawSelection, /* draw_selection */
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XfeInheritGetLabelGC, /* get_label_gc */
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XfeInheritGetSelectionGC, /* get_selection_gc */
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NULL, /* extension */
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},
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/* XfeButton Part */
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{
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XfeInheritLayoutPixmap, /* layout_pixmap */
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XfeInheritDrawPixmap, /* draw_pixmap */
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XfeInheritDrawAccentBorder, /* draw_accent_border */
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XfeInheritArmTimeout, /* arm_timeout */
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NULL, /* extension */
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},
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/* XfeCascade Part */
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{
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NULL, /* extension */
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},
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/* XfeFontChooser Part */
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{
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NULL, /* extension */
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},
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};
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/*----------------------------------------------------------------------*/
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/* */
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/* xfeFontChooserWidgetClass declaration. */
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/* */
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/*----------------------------------------------------------------------*/
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_XFE_WIDGET_CLASS(fontchooser,FontChooser);
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/*----------------------------------------------------------------------*/
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/* */
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/* Core class methods */
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/* */
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/*----------------------------------------------------------------------*/
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static void
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Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs)
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{
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XfeFontChooserPart * fp = _XfeFontChooserPart(nw);
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XfeCascadePart * cp = _XfeCascadePart(nw);
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XfeSetValue(cp->sub_menu_id,XmNradioBehavior,True);
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UpdateItems(nw);
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UpdateLabels(nw);
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UpdateFonts(nw);
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/* Finish of initialization */
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_XfePrimitiveChainInitialize(rw,nw,xfeFontChooserWidgetClass);
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}
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/*----------------------------------------------------------------------*/
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static void
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Destroy(Widget w)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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/* Remove all CallBacks */
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/* XtRemoveAllCallbacks(w,XmNselectionCallback); */
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}
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/*----------------------------------------------------------------------*/
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static Boolean
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SetValues(Widget ow,Widget rw,Widget nw,ArgList args,Cardinal *nargs)
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{
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XfeFontChooserPart * np = _XfeFontChooserPart(nw);
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XfeFontChooserPart * op = _XfeFontChooserPart(ow);
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/* num_font_items */
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if (np->num_font_items != op->num_font_items)
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{
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UpdateItems(nw);
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_XfeConfigFlags(nw) |= XfeConfigGLE;
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}
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/* font_item_labels */
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if (np->font_item_labels != op->font_item_labels)
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{
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UpdateLabels(nw);
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_XfeConfigFlags(nw) |= XfeConfigGLE;
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}
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/* font_item_fonts */
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if (np->font_item_fonts != op->font_item_fonts)
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{
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UpdateFonts(nw);
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_XfeConfigFlags(nw) |= XfeConfigGLE;
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}
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return _XfePrimitiveChainSetValues(ow,rw,nw,xfeFontChooserWidgetClass);
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Misc XfeFontChooser functions */
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/* */
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/*----------------------------------------------------------------------*/
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static XmFontList
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FontListAccess(Widget w,Cardinal i)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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XfeLabelPart * lp = _XfeLabelPart(w);
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assert( i < cp->num_font_items );
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if (cp->font_item_fonts && cp->font_item_fonts[i])
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{
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return cp->font_item_fonts[i];
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}
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return lp->font_list;
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}
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/*----------------------------------------------------------------------*/
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static XmString
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StringAccess(Widget w,Cardinal i)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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assert( i < cp->num_font_items );
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if (cp->font_item_labels && cp->font_item_labels[i])
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{
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return cp->font_item_labels[i];
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}
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return NULL;
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}
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/*----------------------------------------------------------------------*/
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static void
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UpdateItems(Widget w)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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Cardinal i;
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Widget sub_menu_id = XfeCascadeGetSubMenu(w);
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Cardinal num_available = _XfemNumChildren(sub_menu_id);
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/* No need to add or remove items */
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if (num_available == cp->num_font_items)
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{
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return;
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}
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/* Too many items available - kill the extra */
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if (num_available > cp->num_font_items)
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{
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for(i = cp->num_font_items; i < num_available; i++)
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{
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XtDestroyWidget(_XfeChildrenIndex(sub_menu_id,i));
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}
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}
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/* Not enough items available - add the needed extras */
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else
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{
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for(i = num_available; i < cp->num_font_items; i++)
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{
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Arg av[10];
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Cardinal ac = 0;
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Widget item;
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XtSetArg(av[ac],XmNindicatorType, XmONE_OF_MANY); ac++;
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item = XtCreateManagedWidget(FONT_CHOOSER_ITEM_NAME,
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xmToggleButtonWidgetClass,
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sub_menu_id,av,ac);
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XtAddCallback(item,XmNarmCallback,ItemArmCB,w);
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XtAddCallback(item,XmNdisarmCallback,ItemDisarmCB,w);
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XtAddCallback(item,XmNvalueChangedCallback,ItemValueChangedCB,w);
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}
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}
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}
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/*----------------------------------------------------------------------*/
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static void
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UpdateFonts(Widget w)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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Cardinal i;
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Widget sub_menu_id = XfeCascadeGetSubMenu(w);
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for(i = 0; i < cp->num_font_items; i++)
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{
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Widget item = _XfeChildrenIndex(sub_menu_id,i);
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XmFontList font_list = FontListAccess(w,i);
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if (_XfeIsAlive(item) && font_list)
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{
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XfeSetValue(item,XmNfontList,font_list);
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}
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}
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}
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/*----------------------------------------------------------------------*/
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static void
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UpdateLabels(Widget w)
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{
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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Cardinal i;
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Widget sub_menu_id = XfeCascadeGetSubMenu(w);
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for(i = 0; i < cp->num_font_items; i++)
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{
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Widget item = _XfeChildrenIndex(sub_menu_id,i);
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XmString xm_string = StringAccess(w,i);
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if (_XfeIsAlive(item) && xm_string)
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{
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XfeSetValue(item,XmNlabelString,xm_string);
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}
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}
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Item callbacks */
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/* */
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/*----------------------------------------------------------------------*/
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static void
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ItemArmCB(Widget item,XtPointer client_data,XtPointer call_data)
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{
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Widget w = (Widget) client_data;
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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}
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/*----------------------------------------------------------------------*/
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static void
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ItemValueChangedCB(Widget item,XtPointer client_data,XtPointer call_data)
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{
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Widget w = (Widget) client_data;
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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}
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/*----------------------------------------------------------------------*/
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static void
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ItemDisarmCB(Widget item,XtPointer client_data,XtPointer call_data)
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{
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Widget w = (Widget) client_data;
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeFontChooser Public Methods */
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/* */
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/*----------------------------------------------------------------------*/
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Widget
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XfeCreateFontChooser(Widget pw,char * name,Arg * av,Cardinal ac)
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{
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return XtCreateWidget(name,xfeFontChooserWidgetClass,pw,av,ac);
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}
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/*----------------------------------------------------------------------*/
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/* extern */ void
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XfeFontChooserDestroyChildren(Widget w)
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{
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#if 0
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XfeFontChooserPart * cp = _XfeFontChooserPart(w);
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assert( _XfeIsAlive(w) );
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assert( XfeIsFontChooser(w) );
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assert( _XfeIsAlive(cp->sub_menu_id) );
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XfeChildrenDestroy(cp->sub_menu_id);
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#endif
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}
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/*----------------------------------------------------------------------*/
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