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pjs/cmd/xfe/XfeWidgets/XfeToolBar/TaskBar.c

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19 KiB
C
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/* -*- 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: <Xfe/TaskBar.c> */
/* Description: XfeTaskBar widget source. */
/* Author: Ramiro Estrugo <ramiro@netscape.com> */
/* */
/*----------------------------------------------------------------------*/
#include <stdio.h>
#include <Xfe/TaskBarP.h>
#include <Xfe/Button.h>
#include <Xfe/Tab.h>
#include <Xm/AtomMgr.h>
#include <Xm/Protocols.h>
#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 LayoutComponents (Widget);
/*----------------------------------------------------------------------*/
/* */
/* XfeDynamicManager class methods */
/* */
/*----------------------------------------------------------------------*/
static void LayoutDynamicChildren (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 const 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 */
(XtResource *)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 */
XfeInheritUpdateBoundary, /* update_boundary */
XfeInheritUpdateChildrenInfo, /* update_children_info */
XfeInheritLayoutWidget, /* layout_widget */
NULL, /* accept_static_child */
NULL, /* insert_static_child */
NULL, /* delete_static_child */
NULL, /* layout_static_children */
XfeInheritChangeManaged, /* change_managed */
NULL, /* prepare_components */
LayoutComponents, /* layout_components */
NULL, /* draw_background */
XfeInheritDrawShadow, /* draw_shadow */
XfeInheritDrawComponents, /* draw_components */
NULL, /* extension */
},
/* XfeDynamicManager Part */
{
XfeInheritAcceptDynamicChild, /* accept_dynamic_child */
XfeInheritInsertDynamicChild, /* insert_dynamic_child */
XfeInheritDeleteDynamicChild, /* delete_dynamic_child */
LayoutDynamicChildren, /* layout_dynamic_children */
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 */
{
XfeInheritDrawRaiseBorder, /* draw_raise_border */
XfeInheritLayoutIndicator, /* layout_indicator */
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
LayoutComponents(Widget w)
{
XfeTaskBarPart * tp = _XfeTaskBarPart(w);
/* Invoke layout_indicator method */
_XfeToolBarLayoutIndicator(w);
/* Make sure our one and only component alive and kicking */
if (!_XfeIsAlive(tp->action_button))
{
return;
}
/* Horizontal */
if (_XfeOrientedOrientation(w) == XmHORIZONTAL)
{
LayoutComponentsHorizontal(w);
}
/* Vertical */
else
{
LayoutComponentsVertical(w);
}
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeDynamicManager class methods */
/* */
/*----------------------------------------------------------------------*/
static void
LayoutDynamicChildren(Widget w)
{
XfeTaskBarPart * tp = _XfeTaskBarPart(w);
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;
}
/* Horizontal */
if (_XfeOrientedOrientation(w) == XmHORIZONTAL)
{
/* Add the action button's dimensions to the left margin */
_XfemMarginLeft(w) += action_width;
(*xfeToolBarClassRec.xfe_dynamic_manager_class.layout_dynamic_children)(w);
/* Restore the left margin */
_XfemMarginLeft(w) -= action_width;
}
else
{
/* Add the action button's dimensions to the top margin */
_XfemMarginTop(w) += action_height;
(*xfeToolBarClassRec.xfe_dynamic_manager_class.layout_dynamic_children)(w);
/* Restore the top margin */
_XfemMarginTop(w) -= action_height;
}
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* 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));
}
/*----------------------------------------------------------------------*/
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