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pjs/cmd/xfe/XfeWidgets/XfeBm/BmCascade.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: <XfeBm/BmCascade.c> */
/* Description: XfeBmCascade widget source. */
/* Author: Ramiro Estrugo <ramiro@netscape.com> */
/* */
/*----------------------------------------------------------------------*/
#include <Xfe/BmCascadeP.h>
#include <Xfe/BmButtonP.h>
#include <Xfe/Cascade.h>
#include <Xfe/ManagerP.h>
#include <Xm/CascadeBGP.h>
#include <Xm/MenuShellP.h>
#include <Xm/RowColumnP.h>
/*----------------------------------------------------------------------*/
/* */
/* Warnings and messages */
/* */
/*----------------------------------------------------------------------*/
#define MESSAGE1 "Widget is not a XfeBmCascade."
#define MESSAGE2 "XmNaccentType is a read-only reasource."
/*----------------------------------------------------------------------*/
/* */
/* Core Class methods */
/* */
/*----------------------------------------------------------------------*/
static void ClassInitialize ();
static void Initialize (Widget,Widget,ArgList,Cardinal *);
static void Destroy (Widget);
static void Resize (Widget);
static void Redisplay (Widget,XEvent *,Region);
static Boolean SetValues (Widget,Widget,Widget,
ArgList,Cardinal *);
static XtGeometryResult QueryGeometry (Widget,XtWidgetGeometry *,
XtWidgetGeometry *);
/*----------------------------------------------------------------------*/
/* */
/* XmPrimitive methods */
/* */
/*----------------------------------------------------------------------*/
static void BorderHighlight (Widget);
static void BorderUnhighlight (Widget);
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade action procedures */
/* */
/*----------------------------------------------------------------------*/
static void CheckDisarm (Widget,XEvent *,char **,Cardinal *);
static void DelayedArm (Widget,XEvent *,char **,Cardinal *);
static void DoSelect (Widget,XEvent *,char **,Cardinal *);
static void Motion (Widget,XEvent *,char **,Cardinal *);
/*----------------------------------------------------------------------*/
/* */
/* Misc XfeBmCascade functions */
/* */
/*----------------------------------------------------------------------*/
static void DrawPixmap (Widget,XEvent *,Region);
#ifdef notused
static Position GetPointerY (Widget);
#endif
static void AccentUpdate (Widget,Position);
static void AccentDraw (Widget);
static void AccentErase (Widget);
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade Resources */
/* */
/*----------------------------------------------------------------------*/
static const XtResource resources[] =
{
/* Pixmap resources */
{
XmNaccentType,
XmCAccentType,
XmRAccentType,
sizeof(unsigned char),
XtOffsetOf(XfeBmCascadeRec , bm_cascade . accent_type),
XmRImmediate,
(XtPointer) XmACCENT_NONE
},
{
XmNarmPixmap,
XmCArmPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeBmCascadeRec , bm_cascade . arm_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNarmPixmapMask,
XmCArmPixmapMask,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeBmCascadeRec , bm_cascade . arm_pixmap_mask),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNlabelPixmapMask,
XmCLabelPixmapMask,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeBmCascadeRec , bm_cascade . label_pixmap_mask),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
};
/*----------------------------------------------------------------------*/
/* */
/* XmPrimitive extension record initialization */
/* */
/*----------------------------------------------------------------------*/
static XmPrimitiveClassExtRec xmPrimitiveClassExtRec =
{
NULL, /* next_extension */
NULLQUARK, /* record_type */
XmPrimitiveClassExtVersion, /* version */
sizeof(XmPrimitiveClassExtRec), /* record_size */
XmInheritBaselineProc, /* widget_baseline */
XmInheritDisplayRectProc, /* widget_display_rect */
XmInheritMarginsProc, /* widget_margins */
};
/*----------------------------------------------------------------------*/
/* */
/* XmCascadeButton extension record initialization */
/* */
/*----------------------------------------------------------------------*/
static XmBaseClassExtRec xmCascadeButtonClassExtRec =
{
NULL, /* Next extension */
NULLQUARK, /* record type XmQmotif */
XmBaseClassExtVersion, /* version */
sizeof(XmBaseClassExtRec), /* size */
XmInheritInitializePrehook, /* initialize prehook */
XmInheritSetValuesPrehook, /* set_values prehook */
XmInheritInitializePosthook, /* initialize posthook */
XmInheritSetValuesPosthook, /* set_values posthook */
XmInheritClass, /* secondary class */
XmInheritSecObjectCreate, /* creation proc */
XmInheritGetSecResData, /* getSecResData */
{0}, /* fast subclass */
XmInheritGetValuesPrehook, /* get_values prehook */
XmInheritGetValuesPosthook, /* get_values posthook */
XmInheritClassPartInitPrehook, /* classPartInitPrehook */
XmInheritClassPartInitPosthook, /* classPartInitPosthook */
NULL, /* ext_resources */
NULL, /* compiled_ext_resources */
0, /* num_ext_resources */
FALSE, /* use_sub_resources */
XmInheritWidgetNavigable, /* widgetNavigable */
XmInheritFocusChange, /* focusChange */
};
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade actions */
/* */
/*----------------------------------------------------------------------*/
static XtActionsRec actions[] =
{
{ "CheckDisarm", CheckDisarm },
{ "DelayedArm", DelayedArm },
{ "DoSelect", DoSelect },
{ "Motion", Motion },
};
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade widget class record initialization */
/* */
/*----------------------------------------------------------------------*/
_XFE_WIDGET_CLASS_RECORD(bmcascade,BmCascade) =
{
{
/* Core Part */
(WidgetClass) &xmCascadeButtonClassRec, /* superclass */
"XfeBmCascade", /* class_name */
sizeof(XfeBmCascadeRec), /* widget_size */
ClassInitialize, /* class_initialize */
NULL, /* class_part_initialize*/
FALSE, /* class_inited */
Initialize, /* initialize */
NULL, /* initialize_hook */
XtInheritRealize, /* realize */
actions, /* actions */
XtNumber(actions), /* 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 */
Resize, /* resize */
Redisplay, /* expose */
SetValues, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* accept_focus */
XtVersion, /* version */
NULL, /* callback_private */
XtInheritTranslations, /* tm_table */
QueryGeometry, /* query_geometry */
XtInheritDisplayAccelerator, /* display accel */
(XtPointer) &xmCascadeButtonClassExtRec /* extension */
},
/* XmPrimitive Part */
{
BorderHighlight, /* border_highlight */
BorderUnhighlight, /* border_unhighlight */
XtInheritTranslations, /* translations */
XmInheritArmAndActivate, /* arm_and_activate */
NULL, /* syn resources */
0, /* num syn_resources */
(XtPointer) &xmPrimitiveClassExtRec, /* extension */
},
/* XmLabel Part */
{
XmInheritWidgetProc, /* setOverrideCallback */
XmInheritMenuProc, /* menu procedures */
XtInheritTranslations, /* menu traversal xlat */
(XtPointer) NULL, /* extension */
},
/* XmCascadeButton Part */
{
(XtPointer) NULL, /* extension */
},
/* XfeBmCascade Part */
{
(XtPointer) NULL, /* extension */
}
};
/*----------------------------------------------------------------------*/
/* */
/* xfeBmCascadeWidgetClass declaration. */
/* */
/*----------------------------------------------------------------------*/
_XFE_WIDGET_CLASS(bmcascade,BmCascade);
/*----------------------------------------------------------------------*/
/* */
/* Core Class methods */
/* */
/*----------------------------------------------------------------------*/
static void
ClassInitialize()
{
/* Register Bm Representation Types */
XfeBmRegisterRepresentationTypes();
}
/*----------------------------------------------------------------------*/
static void
Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(nw);
XmLabelPart * lp = _XfeXmLabelPart(nw);
/* Force the type to be string always */
lp->label_type = XmSTRING;
bmc->pixmap_GC = XfeAllocateTransparentGc(nw);
_XfePixmapPrepare(nw,
&lp->pixmap,
&bmc->pixmap_width,
&bmc->pixmap_height,
XmNlabelPixmap);
XfeOverrideTranslations(nw,_XfeBmButtonExtraTranslations);
}
/*----------------------------------------------------------------------*/
static void
Destroy(Widget w)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
XtReleaseGC(w,bmc->pixmap_GC);
}
/*----------------------------------------------------------------------*/
static XtGeometryResult
QueryGeometry(Widget w,XtWidgetGeometry *req,XtWidgetGeometry *reply)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
XmLabelPart * lp = _XfeXmLabelPart(w);
XtGeometryResult result;
XmCascadeButtonWidgetClass cbc =
(XmCascadeButtonWidgetClass) xmCascadeButtonWidgetClass;
result = (*cbc->core_class.query_geometry)(w,req,reply);
if (bmc->pixmap_width && bmc->pixmap_height)
{
Dimension offset;
Dimension label_height;
reply->width += (bmc->pixmap_width + XfeBmPixmapGetOffset());
offset =
lp->margin_top +
lp->margin_bottom +
_XfePrimitiveOffset(w);
label_height = reply->height - offset;
reply->height =
XfeMax(label_height,bmc->pixmap_height) +
offset;
}
return result;
}
/*----------------------------------------------------------------------*/
static void
Resize(Widget w)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
XmLabelPart * lp = _XfeXmLabelPart(w);
XmCascadeButtonWidgetClass cbc =
(XmCascadeButtonWidgetClass) xmCascadeButtonWidgetClass;
(*cbc->core_class.resize)(w);
/* Layout the pixmap if needed */
if (bmc->pixmap_width && bmc->pixmap_height)
{
/* Move the label outta the way to the right */
lp->TextRect.x += (bmc->pixmap_width + XfeBmPixmapGetOffset());
}
}
/*----------------------------------------------------------------------*/
static void
Redisplay(Widget w,XEvent *event,Region region)
{
XmCascadeButtonWidgetClass pwc =
(XmCascadeButtonWidgetClass) xmCascadeButtonWidgetClass;
if (XfeBmAccentIsEnabled())
{
Dimension shadow_thickness = _XfeShadowThickness(w);
/*
* We change the shadow thickness to 0, so that the real Expose()
* method not draw anything the shadow so that the accent lines
* are not disturbed.
*/
_XfeShadowThickness(w) = 0;
_XfeHighlightThickness(w) = shadow_thickness;
(*pwc->core_class.expose)(w,event,region);
_XfeShadowThickness(w) = shadow_thickness;
_XfeHighlightThickness(w) = 0;
}
else
{
(*pwc->core_class.expose)(w,event,region);
}
DrawPixmap(w,event,region);
}
/*----------------------------------------------------------------------*/
static Boolean
SetValues(Widget ow,Widget rw,Widget nw,ArgList args,Cardinal *nargs)
{
Boolean redisplay = False;
Boolean resize = False;
/* XmCascadeButtonPart * old_cp = _XfeXmCascadeButtonPart(ow); */
/* XmCascadeButtonPart * new_cp = _XfeXmCascadeButtonPart(nw); */
XmLabelPart * old_lp = _XfeXmLabelPart(ow);
XmLabelPart * new_lp = _XfeXmLabelPart(nw);
XfeBmCascadePart * new_bmc = _XfeBmCascadePart(nw);
XfeBmCascadePart * old_bmc = _XfeBmCascadePart(ow);
/* accent_type */
if (new_bmc->accent_type != old_bmc->accent_type)
{
new_bmc->accent_type = old_bmc->accent_type;
_XfeWarning(nw,MESSAGE2);
}
/* label_pixmap */
if (new_lp->pixmap != old_lp->pixmap)
{
_XfePixmapPrepare(nw,&new_lp->pixmap,
&new_bmc->pixmap_width,
&new_bmc->pixmap_height,
XmNlabelPixmap);
redisplay = True;
resize = True;
}
/* arm_pixmap */
if (new_bmc->arm_pixmap != old_bmc->arm_pixmap)
{
Dimension width;
Dimension height;
assert( _XfePixmapGood(new_lp->pixmap) );
_XfePixmapPrepare(nw,&new_bmc->arm_pixmap,
&width,
&height,
XmNarmPixmap);
assert( width == new_bmc->pixmap_width );
assert( height == new_bmc->pixmap_height );
redisplay = True;
resize = True;
}
if (resize)
{
Resize(nw);
}
return redisplay;
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XmPrimitive methods */
/* */
/*----------------------------------------------------------------------*/
static void
BorderHighlight(Widget w)
{
/* XfeBmCascadePart * bmc = _XfeBmCascadePart(w); */
XmCascadeButtonWidgetClass cwc =
(XmCascadeButtonWidgetClass) xmCascadeButtonWidgetClass;
if (XfeBmAccentIsEnabled())
{
_XfeBmProcWithoutDrawing(w,cwc->primitive_class.border_highlight);
}
else
{
(*cwc->primitive_class.border_highlight)(w);
}
DrawPixmap(w,NULL,NULL);
}
/*----------------------------------------------------------------------*/
static void
BorderUnhighlight(Widget w)
{
/* XfeBmCascadePart * bmc = _XfeBmCascadePart(w); */
XmCascadeButtonWidgetClass cwc =
(XmCascadeButtonWidgetClass) xmCascadeButtonWidgetClass;
if (XfeBmAccentIsEnabled())
{
_XfeBmProcWithoutDrawing(w,cwc->primitive_class.border_unhighlight);
}
else
{
(*cwc->primitive_class.border_unhighlight)(w);
}
DrawPixmap(w,NULL,NULL);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade action procedures */
/* */
/*----------------------------------------------------------------------*/
static void
CheckDisarm(Widget w,XEvent * event,char ** params,Cardinal * nparams)
{
static XtActionProc check_disarm_action = NULL;
/* XfeBmCascadePart * bmc = _XfeBmCascadePart(w); */
if (!check_disarm_action)
{
check_disarm_action = _XfeGetActionProc(xmCascadeButtonWidgetClass,
"CheckDisarm");
}
if (XfeBmAccentIsEnabled())
{
_XfeBmActionWithoutDrawing(w,check_disarm_action,event,params,nparams);
AccentUpdate(w,XfeACCENT_OUTSIDE);
}
else
{
check_disarm_action(w,event,params,nparams);
}
/*
* Redraw the pixmap since fancy motif menus such as those in
* irix or cde will fill the whole background and erase the
* previous menu. This should be smarter, and redraw the pixmap
* only if needed, but the extra waste in time is smaller than
* the effort needed to implement it.
*/
DrawPixmap(w,NULL,NULL);
}
/*----------------------------------------------------------------------*/
static void
DelayedArm(Widget w,XEvent * event,char ** params,Cardinal * nparams)
{
static XtActionProc delayed_arm_action = NULL;
/* XfeBmCascadePart * bmc = _XfeBmCascadePart(w); */
if (!delayed_arm_action)
{
delayed_arm_action = _XfeGetActionProc(xmCascadeButtonWidgetClass,
"DelayedArm");
}
if (XfeBmAccentIsEnabled())
{
/*
* There is a very nasty motif bug that causes the cascading shell
* to appear much to the right of what it is supposed to be.
*
* The reason for this is very complicated, but fortunately the
* solution is pretty simple. By moving the parent row column
* to (0,0) every time before the cascading shell is posted, the
* problem is fixed.
*/
_XfeMoveWidget(XtParent(w),0,0);
_XfeBmActionWithoutDrawing(w,delayed_arm_action,event,params,nparams);
AccentUpdate(w,event->xcrossing.y);
}
else
{
delayed_arm_action(w,event,params,nparams);
}
/*
* Redraw the pixmap since fancy motif menus such as those in
* irix or cde will fill the whole background and erase the
* previous menu. This should be smarter, and redraw the pixmap
* only if needed, but the extra waste in time is smaller than
* the effort needed to implement it.
*/
DrawPixmap(w,NULL,NULL);
}
/*----------------------------------------------------------------------*/
static void
DoSelect(Widget w,XEvent * event,char ** params,Cardinal * nparams)
{
static XtActionProc do_select_action = NULL;
if (!do_select_action)
{
do_select_action = _XfeGetActionProc(xmCascadeButtonWidgetClass,
"DoSelect");
}
if (XfeBmAccentIsEnabled())
{
XmCascadeButtonPart * cp = _XfeXmCascadeButtonPart(w);
_XmMenuPopDown(XtParent(w),event,NULL);
_XfeInvokeCallbacks(w,cp->activate_callback,XmCR_ACTIVATE,event,False);
AccentUpdate(w,XfeACCENT_OUTSIDE);
}
else
{
do_select_action(w,event,params,nparams);
}
}
/*----------------------------------------------------------------------*/
static void
Motion(Widget w,XEvent * event,char ** params,Cardinal * nparams)
{
/* XfeBmCascadePart * bmc = _XfeBmCascadePart(w); */
if (!XfeBmAccentIsEnabled())
{
return;
}
AccentUpdate(w,event->xmotion.y);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Misc XfeBmCascade functions */
/* */
/*----------------------------------------------------------------------*/
static void
DrawPixmap(Widget w,XEvent *event,Region region)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
XmLabelPart * lp = _XfeXmLabelPart(w);
Pixmap pixmap = XmUNSPECIFIED_PIXMAP;
Pixmap mask = XmUNSPECIFIED_PIXMAP;
Boolean armed = CB_IsArmed(w);
if (armed && _XfePixmapGood(bmc->arm_pixmap))
{
pixmap = bmc->arm_pixmap;
if (_XfePixmapGood(bmc->arm_pixmap_mask))
{
mask = bmc->arm_pixmap_mask;
}
}
else if (_XfePixmapGood(lp->pixmap) &&
bmc->pixmap_width && bmc->pixmap_height)
{
pixmap = lp->pixmap;
if (_XfePixmapGood(bmc->label_pixmap_mask))
{
mask = bmc->label_pixmap_mask;
}
}
if (_XfePixmapGood(pixmap))
{
Position x = _XfePrimitiveOffset(w) + lp->margin_width;
Position y = (_XfeHeight(w) - bmc->pixmap_height) / 2;
if (_XfePixmapGood(mask))
{
XSetClipOrigin(XtDisplay(w),bmc->pixmap_GC,x,y);
XSetClipMask(XtDisplay(w),bmc->pixmap_GC,mask);
}
else
{
XSetClipMask(XtDisplay(w),bmc->pixmap_GC,None);
}
XCopyArea(XtDisplay(w),
pixmap,
_XfeWindow(w),
bmc->pixmap_GC,
0,0,
bmc->pixmap_width,
bmc->pixmap_height,
x,
y);
}
}
/*----------------------------------------------------------------------*/
#ifdef notused
static Position
GetPointerY(Widget w)
{
Window root;
Window child;
int rx;
int ry;
int cx;
int cy;
unsigned int mask;
if (XQueryPointer(XtDisplay(w),_XfeWindow(w),&root,&child,
&rx,&ry,&cx,&cy,&mask))
{
cy -= _XfeY(w);
if (cy < 0)
{
cy = 0;
}
if (cy > _XfeHeight(w))
{
cy = _XfeHeight(w);
}
return cy;
}
return 0;
}
/*----------------------------------------------------------------------*/
#endif
static void
AccentUpdate(Widget w,Position y)
{
unsigned char new_accent_type = XmACCENT_NONE;
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
Dimension one_fourth = _XfeHeight(w) / 4;
/* Determine the new accent */
if (XfeBmAccentGetFileMode() == XmACCENT_FILE_ANYWHERE)
{
if ( (y <= one_fourth) && (y >= 0) )
{
new_accent_type = XmACCENT_TOP;
}
else if ( (y > (_XfeHeight(w) - one_fourth)) && (y <= _XfeHeight(w)) )
{
new_accent_type = XmACCENT_BOTTOM;
}
else if ( (y > one_fourth) && (y <= (_XfeHeight(w) - one_fourth)))
{
new_accent_type = XmACCENT_ALL;
}
}
else
{
if ( (y >= 0) && (y <= _XfeHeight(w)) )
{
new_accent_type = XmACCENT_ALL;
}
}
/* Make sure the new accent has changed */
if (new_accent_type == bmc->accent_type)
{
return;
}
AccentErase(w);
bmc->accent_type = new_accent_type;
AccentDraw(w);
}
/*----------------------------------------------------------------------*/
static void
AccentDraw(Widget w)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
if (bmc->accent_type == XmACCENT_NONE)
{
return;
}
XfeMenuItemDrawAccent(w,
bmc->accent_type,
XfeBmAccentGetOffsetLeft(),
XfeBmAccentGetOffsetRight(),
XfeBmAccentGetShadowThickness(),
XfeBmAccentGetThickness());
}
/*----------------------------------------------------------------------*/
static void
AccentErase(Widget w)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
if (bmc->accent_type == XmACCENT_NONE)
{
return;
}
XfeMenuItemEraseAccent(w,
bmc->accent_type,
XfeBmAccentGetOffsetLeft(),
XfeBmAccentGetOffsetRight(),
XfeBmAccentGetShadowThickness(),
XfeBmAccentGetThickness());
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeBmCascade public functions */
/* */
/*----------------------------------------------------------------------*/
/*extern*/ Widget
XfeCreateBmCascade(Widget pw,char * name,Arg * av,Cardinal ac)
{
return XtCreateWidget(name,xfeBmCascadeWidgetClass,pw,av,ac);
}
/*----------------------------------------------------------------------*/
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