/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ /*-----------------------------------------*/ /* */ /* Name: */ /* Description: XfeTaskBar widget source. */ /* Author: Ramiro Estrugo */ /* */ /*----------------------------------------------------------------------*/ #include #include #include #include #include #include #define MESSAGE1 "Widget is not an XfeTaskBar." #define MESSAGE2 "XmNactionButton is a read-only resource." #define MESSAGE3 "XmNfirstWidget is a read-only resource." #define MESSAGE4 "XmNrightWidget is a read-only resource." #define MESSAGE5 "XmNmaxPosition is too big." #define MESSAGE6 "XmNminPosition is too small." #define ACTION_BUTTON_NAME "ActionButton" #define SHADOW_OFFSET 3 /*----------------------------------------------------------------------*/ /* */ /* Core Class Methods */ /* */ /*----------------------------------------------------------------------*/ static void Initialize (Widget,Widget,ArgList,Cardinal *); static void Destroy (Widget); static Boolean SetValues (Widget,Widget,Widget,ArgList, Cardinal *); /*----------------------------------------------------------------------*/ /* */ /* XfeManager Class Methods */ /* */ /*----------------------------------------------------------------------*/ static void PreferredGeometry (Widget,Dimension *,Dimension *); static void LayoutChildren (Widget); static void LayoutComponents (Widget); /*----------------------------------------------------------------------*/ /* */ /* Misc XfeTaskBar functions */ /* */ /*----------------------------------------------------------------------*/ static void LayoutComponentsVertical (Widget); static void LayoutComponentsHorizontal (Widget); static void UpdateActionPixmap (Widget); static void UpdateActionCursor (Widget); /*----------------------------------------------------------------------*/ /* */ /* Action Button callbacks and event handlers */ /* */ /*----------------------------------------------------------------------*/ static void ActionCallback (Widget,XtPointer,XtPointer); /*----------------------------------------------------------------------*/ /* */ /* XfeTaskBar Resources */ /* */ /*----------------------------------------------------------------------*/ static XtResource resources[] = { /* Callback resources */ { XmNactionCallback, XmCCallback, XmRCallback, sizeof(XtCallbackList), XtOffsetOf(XfeTaskBarRec , xfe_task_bar . action_callback), XmRImmediate, (XtPointer) NULL }, /* Resources */ { XmNactionButton, XmCReadOnly, XmRWidget, sizeof(Widget), XtOffsetOf(XfeTaskBarRec , xfe_task_bar . action_button), XmRImmediate, (XtPointer) NULL }, { XmNactionCursor, XmCCursor, XmRCursor, sizeof(Cursor), XtOffsetOf(XfeTaskBarRec , xfe_task_bar . action_cursor), XmRImmediate, (XtPointer) None }, { XmNactionPixmap, XmCActionPixmap, XmRPixmap, sizeof(Pixmap), XtOffsetOf(XfeTaskBarRec , xfe_task_bar . action_pixmap), XmRImmediate, (XtPointer) XmUNSPECIFIED_PIXMAP }, { XmNshowActionButton, XmCShowActionButton, XmRBoolean, sizeof(Boolean), XtOffsetOf(XfeTaskBarRec , xfe_task_bar . show_action_button), XmRImmediate, (XtPointer) False }, /* Force all the margins to 0 */ { XmNmarginBottom, XmCMarginBottom, XmRVerticalDimension, sizeof(Dimension), XtOffsetOf(XfeTaskBarRec , xfe_manager . margin_bottom), XmRImmediate, (XtPointer) 0 }, { XmNmarginLeft, XmCMarginLeft, XmRHorizontalDimension, sizeof(Dimension), XtOffsetOf(XfeTaskBarRec , xfe_manager . margin_left), XmRImmediate, (XtPointer) 0 }, { XmNmarginRight, XmCMarginRight, XmRHorizontalDimension, sizeof(Dimension), XtOffsetOf(XfeTaskBarRec , xfe_manager . margin_right), XmRImmediate, (XtPointer) 0 }, { XmNmarginTop, XmCMarginTop, XmRVerticalDimension, sizeof(Dimension), XtOffsetOf(XfeTaskBarRec , xfe_manager . margin_top), XmRImmediate, (XtPointer) 0 }, }; /*----------------------------------------------------------------------*/ /* */ /* Widget Class Record Initialization */ /* */ /*----------------------------------------------------------------------*/ _XFE_WIDGET_CLASS_RECORD(taskbar,TaskBar) = { { (WidgetClass) &xfeToolBarClassRec, /* superclass */ "XfeTaskBar", /* class_name */ sizeof(XfeTaskBarRec), /* widget_size */ NULL, /* class_initialize */ NULL, /* class_part_initiali */ FALSE, /* class_inited */ Initialize, /* initialize */ NULL, /* initialize_hook */ XtInheritRealize, /* realize */ NULL, /* actions */ 0, /* num_actions */ resources, /* resources */ XtNumber(resources), /* num_resources */ NULLQUARK, /* xrm_class */ TRUE, /* compress_motion */ XtExposeCompressMaximal, /* compress_exposure */ TRUE, /* compress_enterleave */ FALSE, /* visible_interest */ Destroy, /* destroy */ XtInheritResize, /* resize */ XtInheritExpose, /* expose */ SetValues, /* set_values */ NULL, /* set_values_hook */ XtInheritSetValuesAlmost, /* set_values_almost */ NULL, /* get_values_hook */ NULL, /* accexfe_focus */ XtVersion, /* version */ NULL, /* callback_private */ XtInheritTranslations, /* tm_table */ XtInheritQueryGeometry, /* query_geometry */ XtInheritDisplayAccelerator, /* display accel */ NULL, /* extension */ }, /* Composite Part */ { XtInheritGeometryManager, /* geometry_manager */ XtInheritChangeManaged, /* change_managed */ XtInheritInsertChild, /* insert_child */ XtInheritDeleteChild, /* delete_child */ NULL /* extension */ }, /* Constraint Part */ { NULL, /* resource list */ 0, /* num resources */ sizeof(XfeToolBarConstraintRec), /* constraint size */ NULL, /* init proc */ NULL, /* destroy proc */ NULL, /* set values proc */ NULL, /* extension */ }, /* XmManager Part */ { XtInheritTranslations, NULL, /* syn resources */ 0, /* num syn_resources */ NULL, /* syn_cont_resources */ 0, /* num_syn_cont_resource*/ XmInheritParentProcess, /* parent_process */ NULL, /* extension */ }, /* XfeManager Part */ { XfeInheritBitGravity, /* bit_gravity */ PreferredGeometry, /* preferred_geometry */ XfeInheritMinimumGeometry, /* minimum_geometry */ XfeInheritUpdateRect, /* update_rect */ XfeInheritAcceptChild, /* accept_child */ XfeInheritInsertChild, /* insert_child */ XfeInheritDeleteChild, /* delete_child */ XfeInheritChangeManaged, /* change_managed */ NULL, /* prepare_components */ LayoutComponents, /* layout_components */ LayoutChildren, /* layout_children */ NULL, /* draw_background */ XfeInheritDrawShadow, /* draw_shadow */ NULL, /* draw_components */ NULL, /* extension */ }, /* XfeOriented Part */ { NULL, /* enter */ NULL, /* leave */ NULL, /* motion */ NULL, /* drag_start */ NULL, /* drag_end */ NULL, /* drag_motion */ NULL, /* des_enter */ NULL, /* des_leave */ NULL, /* des_motion */ NULL, /* des_drag_start */ NULL, /* des_drag_end */ NULL, /* des_drag_motion */ NULL, /* extension */ }, /* XfeToolBar Part */ { NULL, /* extension */ }, /* XfeTaskBar Part */ { NULL, /* extension */ }, }; /*----------------------------------------------------------------------*/ /* */ /* xfeTaskBarWidgetClass declaration. */ /* */ /*----------------------------------------------------------------------*/ _XFE_WIDGET_CLASS(taskbar,TaskBar); /*----------------------------------------------------------------------*/ /* */ /* Core Class Methods */ /* */ /*----------------------------------------------------------------------*/ static void Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs) { XfeTaskBarPart * tp = _XfeTaskBarPart(nw); /* Create the action button */ tp->action_button = XtVaCreateWidget(ACTION_BUTTON_NAME, xfeTabWidgetClass, nw, XmNmarginLeft, 0, XmNmarginRight, 0, XmNmarginTop, 0, XmNmarginBottom, 0, XmNprivateComponent, True, XmNtraversalOn, False, XmNhighlightThickness, 0, XmNarmOffset, 0, XmNraiseOffset, 0, XmNbackground, _XfeBackgroundPixel(nw), NULL); /* Update the pixmaps */ UpdateActionPixmap(nw); /* Add callback to action button */ XtAddCallback(tp->action_button, XmNactivateCallback, ActionCallback, (XtPointer) nw); /* Finish of initialization */ _XfeManagerChainInitialize(rw,nw,xfeTaskBarWidgetClass); } /*----------------------------------------------------------------------*/ static void Destroy(Widget w) { /* XfeTaskBarPart * tp = _XfeTaskBarPart(w); */ /* XtRemoveCallback(tp->action_button, */ /* XmNactivateCallback, */ /* ActionCallback, */ /* (XtPointer) nw); */ /* XtRemoveEventHandler(nw, */ /* StructureNotifyMask, */ /* True, */ /* MappingEH, */ /* (XtPointer) nw); */ } /*----------------------------------------------------------------------*/ static Boolean SetValues(Widget ow,Widget rw,Widget nw,ArgList args,Cardinal *nargs) { XfeTaskBarPart * np = _XfeTaskBarPart(nw); XfeTaskBarPart * op = _XfeTaskBarPart(ow); /* action_button */ if (np->action_button != op->action_button) { np->action_button = op->action_button; } /* action_pixmap */ if (np->action_pixmap != op->action_pixmap) { UpdateActionPixmap(nw); _XfemConfigFlags(nw) |= XfeConfigGLE; } /* action_cursor */ if (np->action_cursor != op->action_cursor) { UpdateActionCursor(nw); } /* show_action_button */ if (np->show_action_button != op->show_action_button) { _XfemConfigFlags(nw) |= XfeConfigGLE; } return _XfeManagerChainSetValues(ow,rw,nw,xfeTaskBarWidgetClass); } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* XfeManager Class Methods */ /* */ /*----------------------------------------------------------------------*/ static void PreferredGeometry(Widget w,Dimension * width,Dimension * height) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); XfeToolBarWidgetClass tbc = (XfeToolBarWidgetClass)xfeToolBarWidgetClass; (*tbc->xfe_manager_class.preferred_geometry)(w,width,height); if (tp->show_action_button) { switch (_XfeOrientedOrientation(w)) { case XmHORIZONTAL: *width += _XfeWidth(tp->action_button); break; case XmVERTICAL: *height += _XfeHeight(tp->action_button); break; } } } /*----------------------------------------------------------------------*/ static void LayoutChildren(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); XfeToolBarWidgetClass tbc = (XfeToolBarWidgetClass)xfeToolBarWidgetClass; Dimension action_width; Dimension action_height; if (tp->show_action_button && _XfeIsAlive(tp->action_button)) { action_width = _XfeWidth(tp->action_button); action_height = _XfeHeight(tp->action_button); } else { action_width = 0; action_height = 0; } /* Add the action button's dimensions if needed */ switch (_XfeOrientedOrientation(w)) { case XmHORIZONTAL: _XfemMarginLeft(w) += action_width; (*tbc->xfe_manager_class.layout_children)(w); _XfemMarginLeft(w) -= action_width; break; case XmVERTICAL: _XfemMarginTop(w) += action_height; (*tbc->xfe_manager_class.layout_children)(w); _XfemMarginTop(w) -= action_height; break; } } /*----------------------------------------------------------------------*/ static void LayoutComponents(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); /* Make sure our one and only component alive and kicking */ if (!_XfeIsAlive(tp->action_button)) { return; } /* Do our layout */ switch(_XfeOrientedOrientation(w)) { case XmHORIZONTAL: LayoutComponentsHorizontal(w); break; case XmVERTICAL: LayoutComponentsVertical(w); break; } } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* Action Button callbacks */ /* */ /*----------------------------------------------------------------------*/ static void ActionCallback(Widget child,XtPointer client_data,XtPointer call_data) { Widget w = XtParent(child); XfeTaskBarPart * tp = _XfeTaskBarPart(w); XfeButtonCallbackStruct * cbs = (XfeButtonCallbackStruct *) call_data; if (_XfeIsAlive(w)) { /* Invoke the action callbacks */ _XfeInvokeCallbacks(w,tp->action_callback,XmCR_ACTION, cbs->event,False); } } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* Misc XfeTaskBar functions */ /* */ /*----------------------------------------------------------------------*/ static void LayoutComponentsVertical(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); XtVaSetValues(tp->action_button, XmNusePreferredWidth, True, NULL); /* Layout the action button */ _XfeConfigureWidget(tp->action_button, 0, 0, _XfeWidth(w), _XfeHeight(tp->action_button)); /* Show the action button as needed */ _XfemIgnoreConfigure(w) = True; if (tp->show_action_button) { XtManageChild(tp->action_button); } else { XtUnmanageChild(tp->action_button); } _XfemIgnoreConfigure(w) = False; } /*----------------------------------------------------------------------*/ static void LayoutComponentsHorizontal(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); XtVaSetValues(tp->action_button, XmNusePreferredWidth, True, NULL); /* Layout the action button */ _XfeConfigureWidget(tp->action_button, 0, 0, _XfeWidth(tp->action_button), _XfeHeight(w)); /* Show the action button as needed */ _XfemIgnoreConfigure(w) = True; if (tp->show_action_button) { XtManageChild(tp->action_button); } else { XtUnmanageChild(tp->action_button); } _XfemIgnoreConfigure(w) = False; } /*----------------------------------------------------------------------*/ static void UpdateActionPixmap(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); if (_XfePixmapGood(tp->action_pixmap)) { XtVaSetValues(tp->action_button, XmNpixmap, tp->action_pixmap, NULL); } else { _XfeResizeWidget(tp->action_button,16,16); } } /*----------------------------------------------------------------------*/ static void UpdateActionCursor(Widget w) { XfeTaskBarPart * tp = _XfeTaskBarPart(w); if (tp->action_pixmap != None) { XtVaSetValues(tp->action_button, XmNcursor, tp->action_cursor, XmNcursorOn, True, NULL); } else { XtVaSetValues(tp->action_button, XmNcursor, None, XmNcursorOn, False, NULL); } } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* XfeTaskBar Public Methods */ /* */ /*----------------------------------------------------------------------*/ Widget XfeCreateTaskBar(Widget parent,char *name,Arg *args,Cardinal count) { return (XtCreateWidget(name,xfeTaskBarWidgetClass,parent,args,count)); } /*----------------------------------------------------------------------*/