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gecko-dev/cmd/xfe/XfeWidgets/XfeToolBar/ToolBox.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 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/*----------------------------------------------------------------------*/
/* */
/* Name: <Xfe/ToolBox.c> */
/* Description: XfeToolBox widget source. */
/* Author: Ramiro Estrugo <ramiro@netscape.com> */
/* */
/*----------------------------------------------------------------------*/
#include <stdio.h>
#include <Xfe/ToolBoxP.h>
#include <Xfe/Button.h>
#include <Xfe/Tab.h>
#include <Xm/Form.h>
#define MESSAGE1 "Widget is not an XfeToolBox."
#define MESSAGE2 "XmNitemCount is a read-only resource."
#define MESSAGE3 "XfeToolBox can only have XfeToolItem childred."
#define MESSAGE4 "XmNswapThreshold is to large."
#define MESSAGE5 "XmNpositionIndex out of range for %s"
#define MESSAGE6 "XmNclosedTabs is a read-only resource."
#define MESSAGE7 "XmNopenedTabs is a read-only resource."
#define OPENED_TAB_BUTTON_NAME "Tab"
#define CLOSED_TAB_BUTTON_NAME "Tab"
#define DRAG_EVENTS (ButtonPressMask | ButtonReleaseMask | Button1MotionMask)
#define DIRECTION_NONE 0
#define DIRECTION_DOWN 1
#define DIRECTION_UP -1
#define FAR_AWAY -1000
#define CHECK_RANGE(tp,i) \
( ( (i) >= 0 ) && ( i < (tp) -> item_count ) )
#define IS_OUR_TAB(w,child) \
(XfeIsTab(child) && (_XfeParent(child) == w))
/*----------------------------------------------------------------------*/
/* */
/* Core class methods */
/* */
/*----------------------------------------------------------------------*/
static void ClassInitialize (void);
static void Initialize (Widget,Widget,ArgList,Cardinal *);
static void Destroy (Widget);
static Boolean SetValues (Widget,Widget,Widget,ArgList,Cardinal *);
/*----------------------------------------------------------------------*/
/* */
/* Constraint Class Methods */
/* */
/*----------------------------------------------------------------------*/
static void ConstraintInitialize (Widget,Widget,ArgList,Cardinal *);
static Boolean ConstraintSetValues (Widget,Widget,Widget,ArgList,
Cardinal *);
/*----------------------------------------------------------------------*/
/* */
/* XfeManager class methods */
/* */
/*----------------------------------------------------------------------*/
static void PreferredGeometry (Widget,Dimension *,Dimension *);
static void LayoutComponents (Widget);
/*----------------------------------------------------------------------*/
/* */
/* XfeDynamicManager class methods */
/* */
/*----------------------------------------------------------------------*/
static Boolean AcceptDynamicChild (Widget);
static Boolean InsertDynamicChild (Widget);
static Boolean DeleteDynamicChild (Widget);
static void LayoutDynamicChildren (Widget);
/*----------------------------------------------------------------------*/
/* */
/* Misc XfeToolBox functions */
/* */
/*----------------------------------------------------------------------*/
static Widget CreateTab (Widget,Boolean);
static Cardinal ActiveItemCount (Widget);
static Dimension MaxItemWidth (Widget);
static int ItemToIndex (Widget);
static int TabToIndex (Widget);
static void CheckSwapThreshold (Widget);
static void DragStart (Widget,XEvent *,int,int);
static void DragEnd (Widget,XEvent *,int,int);
static void DragMotion (Widget,XEvent *,int,int);
static Boolean MoveItem (Widget,Cardinal,int);
static int MaxItemY (Widget);
static void SwapItems (Widget,int,int);
static void RaiseItem (Widget,int);
static int FindItemUnder (Widget,int);
static Boolean ItemOverItem (Widget,int,int,Dimension);
static void SnapItemInPlace (Widget,int);
static int FirstManagedIndex (Widget);
static int LastManagedIndex (Widget);
static int NextManagedIndex (Widget,int);
static int PreviousManagedIndex (Widget,int);
static void InvokeSwapCallbacks (Widget,XEvent *,Widget,
Widget,int,int);
static void InvokeCallbacks (Widget,XtCallbackList,int,
XEvent *,Widget,Widget,Widget,int);
static void UpdatePositionIndeces (Widget);
/*----------------------------------------------------------------------*/
/* */
/* Child functions */
/* */
/*----------------------------------------------------------------------*/
static void ChildSetDraggable (Widget,Widget,Boolean);
/*----------------------------------------------------------------------*/
/* */
/* Item functions */
/* */
/*----------------------------------------------------------------------*/
static void UpdateItems (Widget);
static void UpdatePixmaps (Widget);
/*----------------------------------------------------------------------*/
/* */
/* TaskBar callbacks */
/* */
/*----------------------------------------------------------------------*/
static void TabActivateCB (Widget,XtPointer,XtPointer);
static void TabArmCB (Widget,XtPointer,XtPointer);
static void TabDisarmCB (Widget,XtPointer,XtPointer);
/*----------------------------------------------------------------------*/
/* */
/* Descendant event handlers */
/* */
/*----------------------------------------------------------------------*/
static void DescendantEH (Widget,XtPointer,XEvent *,Boolean *);
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox Resources */
/* */
/*----------------------------------------------------------------------*/
static XtResource resources[] =
{
/* Callback resources */
{
XmNcloseCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . close_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNopenCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . open_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNdragAllowCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_allow_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNdragStartCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_start_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNdragEndCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_end_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNdragMotionCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_motion_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNnewItemCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . new_item_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNswapCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . swap_callback),
XmRImmediate,
(XtPointer) NULL
},
{
XmNsnapCallback,
XmCCallback,
XmRCallback,
sizeof(XtCallbackList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . snap_callback),
XmRImmediate,
(XtPointer) NULL
},
/* Item resources */
{
XmNitems,
XmCReadOnly,
XmRWidgetList,
sizeof(WidgetList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . items),
XmRImmediate,
(XtPointer) NULL
},
{
XmNitemCount,
XmCReadOnly,
XmRCardinal,
sizeof(Cardinal),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . item_count),
XmRImmediate,
(XtPointer) 0
},
/* Tab resources */
{
XmNclosedTabs,
XmCReadOnly,
XmRWidgetList,
sizeof(WidgetList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . closed_tabs),
XmRImmediate,
(XtPointer) NULL
},
{
XmNopenedTabs,
XmCReadOnly,
XmRWidgetList,
sizeof(WidgetList),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . opened_tabs),
XmRImmediate,
(XtPointer) NULL
},
{
XmNtabOffset,
XmCOffset,
XmRHorizontalDimension,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . tab_offset),
XmRImmediate,
(XtPointer) 10
},
/* Spacing resources */
{
XmNverticalSpacing,
XmCSpacing,
XmRVerticalDimension,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . vertical_spacing),
XmRImmediate,
(XtPointer) 0
},
{
XmNhorizontalSpacing,
XmCSpacing,
XmRHorizontalDimension,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . horizontal_spacing),
XmRImmediate,
(XtPointer) 0
},
/* Drag resources */
{
XmNdragCursor,
XmCDragCursor,
XmRCursor,
sizeof(Widget),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_cursor),
XmRString,
"hand2"
},
{
XmNdragButton,
XmCDragButton,
XmRInt,
sizeof(int),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_button),
XmRImmediate,
(XtPointer) Button1
},
{
XmNdragThreshold,
XmCDragThreshold,
XmRVerticalDimension,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_threshold),
XmRImmediate,
(XtPointer) 10
},
/* Swap resources */
{
XmNswapThreshold,
XmCSwapThreshold,
XmRVerticalDimension,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . swap_threshold),
XmRImmediate,
(XtPointer) 10
},
/* Pixmap resources */
{
XmNbottomPixmap,
XmCBottomPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . bottom_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNhorizontalPixmap,
XmCHorizontalPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . horizontal_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNleftPixmap,
XmCLeftPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . left_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNrightPixmap,
XmCRightPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . right_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNtopPixmap,
XmCTopPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . top_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNverticalPixmap,
XmCVerticalPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . vertical_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNbottomRaisedPixmap,
XmCBottomRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . bottom_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNhorizontalRaisedPixmap,
XmCHorizontalRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . horizontal_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNleftRaisedPixmap,
XmCLeftRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . left_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNrightRaisedPixmap,
XmCRightRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . right_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNtopRaisedPixmap,
XmCTopRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . top_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
{
XmNverticalRaisedPixmap,
XmCVerticalRaisedPixmap,
XmRPixmap,
sizeof(Pixmap),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . vertical_raised_pixmap),
XmRImmediate,
(XtPointer) XmUNSPECIFIED_PIXMAP
},
/* Force XmNusePreferredHeight to True and XmNusePreferredWidth to False */
{
XmNusePreferredHeight,
XmCUsePreferredHeight,
XmRBoolean,
sizeof(Boolean),
XtOffsetOf(XfeToolBoxRec , xfe_manager . use_preferred_height),
XmRImmediate,
(XtPointer) True
},
{
XmNusePreferredWidth,
XmCUsePreferredWidth,
XmRBoolean,
sizeof(Boolean),
XtOffsetOf(XfeToolBoxRec , xfe_manager . use_preferred_width),
XmRImmediate,
(XtPointer) False
},
};
/*----------------------------------------------------------------------*/
/* */
/* XfeBoxBar Synthetic Resources */
/* */
/*----------------------------------------------------------------------*/
static XmSyntheticResource syn_resources[] =
{
{
XmNverticalSpacing,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . vertical_spacing),
_XmFromVerticalPixels,
_XmToVerticalPixels
},
{
XmNhorizontalSpacing,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . horizontal_spacing),
_XmFromHorizontalPixels,
_XmToHorizontalPixels
},
{
XmNswapThreshold,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . swap_threshold),
_XmFromVerticalPixels,
_XmToVerticalPixels
},
{
XmNdragThreshold,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . drag_threshold),
_XmFromVerticalPixels,
_XmToVerticalPixels
},
{
XmNtabOffset,
sizeof(Dimension),
XtOffsetOf(XfeToolBoxRec , xfe_tool_box . tab_offset),
_XmFromHorizontalPixels,
_XmToHorizontalPixels
},
};
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox constraint resources */
/* */
/*----------------------------------------------------------------------*/
static XtResource constraint_resources[] =
{
{
XmNopen,
XmCOpen,
XmRBoolean,
sizeof(Boolean),
XtOffsetOf(XfeToolBoxConstraintRec , xfe_tool_box . open),
XmRImmediate,
(XtPointer) True
},
};
/*----------------------------------------------------------------------*/
/* */
/* Widget Class Record Initialization */
/* */
/*----------------------------------------------------------------------*/
_XFE_WIDGET_CLASS_RECORD(toolbox,ToolBox) =
{
{
(WidgetClass) &xfeDynamicManagerClassRec,/* superclass */
"XfeToolBox", /* class_name */
sizeof(XfeToolBoxRec), /* widget_size */
NULL, /* class_initialize */
NULL, /* class_part_initialize*/
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 */
{
#if 0
_XfeLiberalGeometryManager, /* geometry_manager */
#else
XtInheritGeometryManager, /* geometry_manager */
#endif
XtInheritChangeManaged, /* change_managed */
XtInheritInsertChild, /* insert_child */
XtInheritDeleteChild, /* delete_child */
NULL /* extension */
},
/* Constraint Part */
{
(XtResource *)constraint_resources, /* constraint res */
XtNumber(constraint_resources), /* num constraint res */
sizeof(XfeToolBoxConstraintRec), /* constraint size */
ConstraintInitialize, /* init proc */
NULL, /* destroy proc */
ConstraintSetValues, /* set values proc */
NULL, /* extension */
},
/* XmManager Part */
{
XtInheritTranslations, /* tm_table */
(XmSyntheticResource *)syn_resources, /* syn resources */
XtNumber(syn_resources), /* 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 */
NULL, /* change_managed */
NULL, /* prepare_components */
LayoutComponents, /* layout_components */
NULL, /* draw_background */
XfeInheritDrawShadow, /* draw_shadow */
NULL, /* draw_components */
XfeInheritDrawAccentBorder, /* draw_accent_border */
NULL, /* extension */
},
/* XfeDynamicManager Part */
{
AcceptDynamicChild, /* accept_dynamic_child */
InsertDynamicChild, /* insert_dynamic_child */
DeleteDynamicChild, /* delete_dynamic_child */
LayoutDynamicChildren, /* layout_dynamic_children */
XfeInheritGetChildDimensions, /* get_child_dimensions */
NULL, /* extension */
},
/* XfeToolBox Part */
{
NULL, /* extension */
},
};
/*----------------------------------------------------------------------*/
/* */
/* xfeToolBoxWidgetClass declaration. */
/* */
/*----------------------------------------------------------------------*/
_XFE_WIDGET_CLASS(toolbox,ToolBox);
/*----------------------------------------------------------------------*/
/* */
/* Core class methods */
/* */
/*----------------------------------------------------------------------*/
static void
Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(nw);
/* Make sure read only resoures are not set */
if (tp->item_count > 0)
{
tp->item_count = 0;
_XfeWarning(nw,MESSAGE2);
}
if (tp->closed_tabs != NULL)
{
tp->closed_tabs = NULL;
_XfeWarning(nw,MESSAGE7);
}
if (tp->opened_tabs != NULL)
{
tp->opened_tabs = NULL;
_XfeWarning(nw,MESSAGE7);
}
tp->last_moved_item = NULL;
tp->dragging_tab = False;
tp->clicking_tab = False;
/* Finish of initialization */
_XfeManagerChainInitialize(rw,nw,xfeToolBoxWidgetClass);
}
/*----------------------------------------------------------------------*/
static void
Destroy(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
/* Free the tabs if needed */
if (tp->closed_tabs)
{
XtFree((char *) tp->closed_tabs);
}
if (tp->opened_tabs)
{
XtFree((char *) tp->opened_tabs);
}
/* Free the items if needed */
if (tp->items)
{
XtFree((char *) tp->items);
}
}
/*----------------------------------------------------------------------*/
static Boolean
SetValues(Widget ow,Widget rw,Widget nw,ArgList args,Cardinal *nargs)
{
XfeToolBoxPart * np = _XfeToolBoxPart(nw);
XfeToolBoxPart * op = _XfeToolBoxPart(ow);
Boolean update_pixmaps = False;
/* item_count */
if (np->item_count != op->item_count)
{
np->item_count = op->item_count;
_XfeWarning(nw,MESSAGE2);
}
/* closed_tabs */
if (np->closed_tabs != op->closed_tabs)
{
np->closed_tabs = op->closed_tabs;
_XfeWarning(nw,MESSAGE6);
}
/* opened_tabs */
if (np->opened_tabs != op->opened_tabs)
{
np->opened_tabs = op->opened_tabs;
_XfeWarning(nw,MESSAGE7);
}
/* tab_offset */
if (np->tab_offset != op->tab_offset)
{
_XfemConfigFlags(nw) |= XfeConfigGLE;
}
/* tab_offset */
if (np->tab_offset != op->tab_offset)
{
_XfemConfigFlags(nw) |= XfeConfigGLE;
}
/* left_pixmap */
if ((np->left_pixmap != op->left_pixmap) ||
(np->right_pixmap != op->right_pixmap) ||
(np->top_pixmap != op->top_pixmap) ||
(np->bottom_pixmap != op->bottom_pixmap) ||
(np->vertical_pixmap != op->vertical_pixmap) ||
(np->horizontal_pixmap != op->horizontal_pixmap) ||
(np->left_raised_pixmap != op->left_raised_pixmap) ||
(np->right_raised_pixmap != op->right_raised_pixmap) ||
(np->top_raised_pixmap != op->top_raised_pixmap) ||
(np->bottom_raised_pixmap != op->bottom_raised_pixmap) ||
(np->vertical_raised_pixmap != op->vertical_raised_pixmap) ||
(np->horizontal_raised_pixmap != op->horizontal_raised_pixmap))
{
update_pixmaps = True;
}
/* drag_cursor */
if (np->drag_cursor != op->drag_cursor)
{
/* Update drag cursor */
}
/* swap_threshold */
if (np->swap_threshold != op->swap_threshold)
{
/* Make sure the new swap threshold is ok */
CheckSwapThreshold(nw);
}
/* Update pixmaps if needed */
if (update_pixmaps)
{
UpdatePixmaps(nw);
}
return _XfeManagerChainSetValues(ow,rw,nw,xfeToolBoxWidgetClass);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Constraint Class Methods */
/* */
/*----------------------------------------------------------------------*/
static void
ConstraintInitialize(Widget rc,Widget nc,ArgList args,Cardinal *nargs)
{
/* Widget w = XtParent(nc); */
/* printf("ConstraintInitialize(%s) for %s\n",XtName(w),XtName(nc)); */
/* Widget w = XtParent(nc); */
/* XfeManagerConstraintPart * cp = _XfeManagerConstraintPart(nc);*/
/* Finish constraint initialization */
_XfeConstraintChainInitialize(rc,nc,xfeToolBoxWidgetClass);
}
/*----------------------------------------------------------------------*/
static Boolean
ConstraintSetValues(Widget oc,Widget rc,Widget nc,ArgList args,Cardinal *nargs)
{
Widget w = XtParent(nc);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
XfeToolBoxConstraintPart * ncp = _XfeToolBoxConstraintPart(nc);
XfeToolBoxConstraintPart * ocp = _XfeToolBoxConstraintPart(oc);
/* position_index */
if (_XfeDynamicManagerPositionIndex(nc) != _XfeDynamicManagerPositionIndex(oc))
{
/* Make sure the new position index is within range */
if ((_XfeDynamicManagerPositionIndex(nc) < 0) ||
(_XfeDynamicManagerPositionIndex(nc) >= tp->item_count))
{
_XfeDynamicManagerPositionIndex(nc) = _XfeDynamicManagerPositionIndex(oc);
_XfeArgWarning(w,MESSAGE5,XtName(nc));
}
else
{
/* Swap the items */
SwapItems(w,
_XfeDynamicManagerPositionIndex(nc),
_XfeDynamicManagerPositionIndex(oc));
/* UpdatePositionIndeces(w); */
_XfemConfigFlags(w) |= XfeConfigLayout;
}
}
/* open */
if (ncp->open != ocp->open)
{
/* printf("%s,%s: change in open\n",XtName(nc),XtName(w)); */
_XfemConfigFlags(w) |= XfeConfigGLE;
}
/* Finish constraint set values */
return _XfeConstraintChainSetValues(oc,rc,nc,xfeToolBoxWidgetClass);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeManager class methods */
/* */
/*----------------------------------------------------------------------*/
static void
PreferredGeometry(Widget w,Dimension * width,Dimension * height)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Dimension total_tab_width = 0;
Dimension total_tab_height = 0;
Cardinal i;
*width = _XfemOffsetLeft(w) + _XfemOffsetRight(w) + MaxItemWidth(w);
*height = _XfemOffsetTop(w) + _XfemOffsetBottom(w);
for (i = 0; i < tp->item_count; i++)
{
Widget item = tp->items[i];
/* Shown */
if (_XfeChildIsShown(item))
{
/* Open */
if (_XfeToolBoxChildOpen(item))
{
int dy = _XfeHeight(item) + tp->vertical_spacing;
*height += dy;
}
/* Closed */
else
{
total_tab_width += (_XfeHeight(item) + tp->horizontal_spacing);
total_tab_height = _XfeHeight(tp->closed_tabs[i]);
}
}
}
*height += total_tab_height;
/* Make sure the tool box is at least wide enough to hold the tabs */
if (*width < total_tab_width)
{
*width = total_tab_width;
}
}
/*----------------------------------------------------------------------*/
static void
LayoutComponents(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
int x = _XfemBoundaryX(w);
int y = _XfemBoundaryY(w);
/* if ((_XfeWidth(w) <= 10) || (_XfeHeight(w) <= 10)) */
/* { */
/* return; */
/* } */
/* printf("LayoutComponents(%s)\n",XtName(w)); */
for (i = 0; i < tp->item_count; i++)
{
/* Item is managed */
if (_XfeChildIsShown(tp->items[i]))
{
/* Open */
if (_XfeToolBoxChildOpen(tp->items[i]))
{
_XfeConfigureWidget(tp->opened_tabs[i],
_XfemBoundaryX(w),
y,
_XfeWidth(tp->opened_tabs[i]),
_XfeHeight(tp->items[i]));
y += (_XfeHeight(tp->items[i]) + tp->vertical_spacing);
_XfeMoveWidget(tp->closed_tabs[i],FAR_AWAY,FAR_AWAY);
}
/* Closed */
else
{
Dimension width = _XfeHeight(tp->items[i]);
_XfeConfigureWidget(tp->closed_tabs[i],
x,
_XfeHeight(w) -
_XfemOffsetBottom(w) -
_XfeHeight(tp->closed_tabs[i]),
width,
_XfeHeight(tp->closed_tabs[i]));
x += width;
_XfeMoveWidget(tp->opened_tabs[i],FAR_AWAY,FAR_AWAY);
}
}
/* Item is unmanaged */
else
{
_XfeMoveWidget(tp->closed_tabs[i],FAR_AWAY,FAR_AWAY);
_XfeMoveWidget(tp->opened_tabs[i],FAR_AWAY,FAR_AWAY);
}
}
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeDynamicManager class methods */
/* */
/*----------------------------------------------------------------------*/
static Boolean
AcceptDynamicChild(Widget child)
{
Widget w = XtParent(child);
/* printf("AcceptDynamicChild(%s) for %s\n",XtName(w),XtName(child)); */
return True;
}
/*----------------------------------------------------------------------*/
static Boolean
InsertDynamicChild(Widget child)
{
Widget w = XtParent(child);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Widget opened_tab;
Widget closed_tab;
Cardinal index;
/* printf("InsertDynamicChild(%s) for %s\n",XtName(w),XtName(child)); */
/* For every tool item, we need 2 tab buttoms: (1 opened & 1 closed) */
closed_tab = CreateTab(w,False);
opened_tab = CreateTab(w,True);
/* Add callbacks to tabs */
XtAddCallback(closed_tab,XmNactivateCallback,TabActivateCB,NULL);
XtAddCallback(closed_tab,XmNarmCallback,TabArmCB,NULL);
XtAddCallback(closed_tab,XmNdisarmCallback,TabDisarmCB,NULL);
XtAddCallback(opened_tab,XmNactivateCallback,TabActivateCB,NULL);
XtAddCallback(opened_tab,XmNarmCallback,TabArmCB,NULL);
XtAddCallback(opened_tab,XmNdisarmCallback,TabDisarmCB,NULL);
/* The new tab's index */
index = tp->item_count;
/* Allocate more space for the new tabs */
tp->closed_tabs = (WidgetList) XtRealloc((char *) tp->closed_tabs,
(index + 1) * sizeof(Widget));
tp->opened_tabs = (WidgetList) XtRealloc((char *) tp->opened_tabs,
(index + 1) * sizeof(Widget));
/* Place the new tabs in the tab lists */
tp->closed_tabs[index] = closed_tab;
tp->opened_tabs[index] = opened_tab;
/* Allocate more space for the new item */
tp->items = (WidgetList) XtRealloc((char *) tp->items,
(index + 1) * sizeof(Widget));
/* Place the new tab in the tab tab list */
tp->items[index] = child;
tp->item_count = index + 1;
/* Add item event handlers */
ChildSetDraggable(w,child,True);
/* Make sure the swap threshold is ok */
CheckSwapThreshold(w);
/* Update the position_index contraint member of the items */
UpdatePositionIndeces(w);
/* Invoke new item callbacks */
InvokeCallbacks(w,
tp->new_item_callback,
XmCR_TOOL_BOX_NEW_ITEM,
NULL,
child,
closed_tab,
opened_tab,
index);
/* Do layout only of the new child is managed */
return XtIsManaged(child);
}
/*----------------------------------------------------------------------*/
static Boolean
DeleteDynamicChild(Widget child)
{
Widget w = XtParent(child);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int index = ItemToIndex(child);
assert( CHECK_RANGE(tp,index) );
/* Remove the corresponding tabs */
XtDestroyWidget(tp->closed_tabs[index]);
XtDestroyWidget(tp->opened_tabs[index]);
/* Mark the item and tab NULL */
tp->items[index] = NULL;
tp->closed_tabs[index] = NULL;
tp->opened_tabs[index] = NULL;
/* Update the item and tab lists */
UpdateItems(w);
return XtIsManaged(child);
}
/*----------------------------------------------------------------------*/
static void
LayoutDynamicChildren(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
int y = _XfemBoundaryY(w);
for (i = 0; i < tp->item_count; i++)
{
Widget item = tp->items[i];
if (_XfeIsAlive(item))
{
/* Item is managed */
if (_XfeChildIsShown(item))
{
/* Open */
if (_XfeToolBoxChildOpen(item))
{
int width;
int height;
width = _XfemBoundaryWidth(w) - _XfeWidth(tp->opened_tabs[i]);
height = _XfeHeight(item);
_XfeConfigureWidget(item,
_XfemBoundaryX(w) +
_XfeWidth(tp->opened_tabs[i]),
y,
width,
height);
y += (_XfeHeight(item) + tp->vertical_spacing);
}
/* Closed */
else
{
_XfeMoveWidget(item,FAR_AWAY,FAR_AWAY);
}
}
}
}
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Misc XfeToolBox functions */
/* */
/*----------------------------------------------------------------------*/
static Widget
CreateTab(Widget w,Boolean opened)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Widget tab;
char name_buf[20];
Arg av[10];
Cardinal ac = 0;
XtSetArg(av[ac],XmNmanagerChildType, XmMANAGER_COMPONENT_CHILD); ac++;
/* Opened - vertical */
if (opened)
{
sprintf(name_buf,"%s%d",OPENED_TAB_BUTTON_NAME,tp->item_count - 1);
XtSetArg(av[ac],XmNorientation, XmVERTICAL); ac++;
XtSetArg(av[ac],XmNtopPixmap, tp->top_pixmap); ac++;
XtSetArg(av[ac],XmNtopRaisedPixmap, tp->top_raised_pixmap); ac++;
XtSetArg(av[ac],XmNbottomPixmap, tp->bottom_pixmap); ac++;
XtSetArg(av[ac],XmNbottomRaisedPixmap, tp->bottom_raised_pixmap); ac++;
XtSetArg(av[ac],XmNverticalPixmap, tp->vertical_pixmap); ac++;
XtSetArg(av[ac],XmNverticalRaisedPixmap, tp->vertical_raised_pixmap); ac++;
}
/* Closed - horizontal */
else
{
sprintf(name_buf,"%s%d",CLOSED_TAB_BUTTON_NAME,tp->item_count - 1);
XtSetArg(av[ac],XmNorientation, XmHORIZONTAL); ac++;
XtSetArg(av[ac],XmNleftPixmap, tp->left_pixmap); ac++;
XtSetArg(av[ac],XmNleftRaisedPixmap, tp->left_raised_pixmap); ac++;
XtSetArg(av[ac],XmNrightPixmap, tp->right_pixmap); ac++;
XtSetArg(av[ac],XmNrightRaisedPixmap, tp->right_raised_pixmap); ac++;
XtSetArg(av[ac],XmNhorizontalPixmap, tp->horizontal_pixmap); ac++;
XtSetArg(av[ac],XmNhorizontalRaisedPixmap, tp->horizontal_raised_pixmap); ac++;
}
tab = XtCreateWidget(name_buf,xfeTabWidgetClass,w,av,ac);
/* Allow the only the opened tab to drag the item */
if (opened)
{
ChildSetDraggable(w,tab,True);
}
XtManageChild(tab);
return tab;
}
/*----------------------------------------------------------------------*/
static Cardinal
ActiveItemCount(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal managed_item_count = 0;
Cardinal i;
for (i = 0; i < tp->item_count; i++)
{
Widget item = tp->items[i];
/* Shown and open */
if (_XfeChildIsShown(item) && _XfeToolBoxChildOpen(item))
{
managed_item_count++;
}
}
return managed_item_count;
}
/*----------------------------------------------------------------------*/
static Dimension
MaxItemWidth(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Dimension max_item_width = 0;
Cardinal i;
for (i = 0; i < tp->item_count; i++)
{
/* Shown */
if (_XfeChildIsShown(tp->items[i]))
{
if (_XfeWidth(tp->items[i]) > max_item_width)
{
max_item_width = _XfeWidth(tp->items[i]);
}
}
}
return max_item_width;
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Tab callbacks */
/* */
/*----------------------------------------------------------------------*/
static void
TabActivateCB(Widget button,XtPointer client_data,XtPointer call_data)
{
Widget w = XtParent(button);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int index = TabToIndex(button);
assert( CHECK_RANGE(tp,index) );
/* printf("TabActivateCB(%s = %d)\n",XtName(tp->items[index]),index); */
/* Make sure that this callback was not the result of a drag */
if (tp->dragging_tab)
{
tp->dragging_tab = False;
return;
}
XfeToolBoxItemToggleOpen(w,tp->items[index]);
/* Invoke open callbacks */
if (_XfeToolBoxChildOpen(tp->items[index]))
{
/* printf("Open(%s = %d)\n",XtName(tp->items[index]),index); */
InvokeCallbacks(w,
tp->open_callback,
XmCR_TOOL_BOX_OPEN,
NULL,
tp->items[index],
tp->closed_tabs[index],
tp->opened_tabs[index],
index);
}
/* Invoke close callbacks */
else
{
/* printf("Close(%s = %d)\n",XtName(tp->items[index]),index); */
InvokeCallbacks(w,
tp->close_callback,
XmCR_TOOL_BOX_CLOSE,
NULL,
tp->items[index],
tp->closed_tabs[index],
tp->opened_tabs[index],
index);
}
}
/*----------------------------------------------------------------------*/
static void
TabArmCB(Widget button,XtPointer client_data,XtPointer call_data)
{
Widget w = XtParent(button);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
/* printf("TabArmCB(%s)\n",XtName(w)); */
tp->clicking_tab = True;
}
/*----------------------------------------------------------------------*/
static void
TabDisarmCB(Widget button,XtPointer client_data,XtPointer call_data)
{
Widget w = XtParent(button);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
/* printf("TabDisarmCB(%s)\n",XtName(w)); */
tp->clicking_tab = False;
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Descendant event handlers */
/* */
/*----------------------------------------------------------------------*/
static void
DescendantEH(Widget descendant,
XtPointer client_data,
XEvent * event,
Boolean * cont)
{
Widget w = (Widget) client_data;
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Widget target = descendant;
Widget item = NULL;
Position y;
assert( _XfeIsAlive(descendant) );
assert( _XfeIsAlive(w) );
/* Ignore drag request from sensitive XfeButtons */
if (XfeIsButton(descendant) &&
_XfeIsSensitive(descendant) &&
!XfeIsTab(descendant))
{
return;
}
/* Find the ancestor item for the given descendant */
if (XfeIsTab(descendant))
{
int index = TabToIndex(descendant);
item = tp->items[index];
}
else
{
while (!item)
{
if (XfeIsToolBox(XtParent(target)))
{
item = target;
}
else
{
target = XtParent(target);
}
}
}
switch(event->type)
{
case ButtonPress:
if (event->xbutton.button == tp->drag_button)
{
y = event->xbutton.y;
if (event->xbutton.y > _XfeHeight(w))
{
y -= (event->xbutton.y - _XfeHeight(w));
}
else if (event->xbutton.y < 0)
{
y -= event->xbutton.y;
}
DragStart(item,event,y,event->xbutton.y_root);
/* Clear the dragging tab flag if needed */
if (XfeIsTab(descendant))
{
tp->dragging_tab = False;
}
}
break;
case ButtonRelease:
if (event->xbutton.button == tp->drag_button)
{
y = event->xbutton.y;
if (event->xbutton.y > _XfeHeight(w))
{
y -= (event->xbutton.y - _XfeHeight(w));
}
else if (event->xbutton.y < 0)
{
y -= event->xbutton.y;
}
DragEnd(item,event,y,event->xbutton.y_root);
}
break;
case MotionNotify:
if (!(event->xmotion.state & Button1Mask))
{
return;
}
y = event->xmotion.y;
if (event->xmotion.y > _XfeHeight(w))
{
y -= (event->xmotion.y - _XfeHeight(w));
}
else if (event->xmotion.y < 0)
{
y -= event->xmotion.y;
}
DragMotion(item,event,event->xmotion.y,event->xmotion.y_root);
/* Set the dragging tab flag if needed */
if (XfeIsTab(descendant))
{
tp->clicking_tab = False;
tp->dragging_tab = True;
}
break;
}
*cont = True;
}
/*----------------------------------------------------------------------*/
static void
DragStart(Widget item,XEvent * event,int y,int root_y)
{
Widget w = XtParent(item);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int index;
/* printf("DragStart(%s)\n",XtName(w)); */
/* Make sure there are at least 2 items managed before dragging */
if (ActiveItemCount(w) <= 1)
{
return;
}
index = ItemToIndex(item);
assert( CHECK_RANGE(tp,index) );
if (tp->drag_cursor != None)
{
XfeCursorDefine(w,tp->drag_cursor);
}
tp->dragging = True;
tp->start_drag_y = root_y;
tp->original_y = _XfeY(tp->items[index]);
tp->last_y = _XfeY(tp->items[index]);
tp->last_moved_item = NULL;
tp->drag_direction = DIRECTION_NONE;
/* Make sure the item being dragged is on top of other items */
RaiseItem(w,index);
}
/*----------------------------------------------------------------------*/
static void
DragEnd(Widget item,XEvent * event,int y,int root_y)
{
Widget w = XtParent(item);
XfeToolBoxPart * tp = _XfeToolBoxPart(XtParent(item));
int index;
/* printf("DragEnd(%s)\n",XtName(w)); */
tp->dragging = False;
index = ItemToIndex(item);
assert( CHECK_RANGE(tp,index) );
if (tp->drag_cursor != None)
{
XfeCursorUndefine(w);
}
if (!tp->clicking_tab)
{
/* Snap the item in place */
SnapItemInPlace(w,index);
}
LayoutComponents(w);
LayoutDynamicChildren(w);
}
/*----------------------------------------------------------------------*/
static void
DragMotion(Widget item,XEvent * event,int y,int root_y)
{
Widget w = XtParent(item);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int dy;
int index;
int new_y;
int old_drag_direction = tp->drag_direction;
int under_index;
/* printf("DragMotion(%s)\n",XtName(w)); */
index = ItemToIndex(item);
assert( CHECK_RANGE(tp,index) );
/* Make sure we are dragging */
if (!tp->dragging)
{
return;
}
/* Compute the change in position */
dy = root_y - tp->start_drag_y;
/* Make sure some change in y occurred before moving item */
if (!dy)
{
return;
}
/* Compute the new item's position */
new_y = tp->original_y + dy;
/* Make sure the item moved only a reasonable amount to avoid holes */
/* Check down */
if (new_y > tp->last_y)
{
if ((new_y - tp->last_y) > tp->drag_threshold)
{
new_y = tp->last_y + tp->drag_threshold;
}
}
/* Check up */
else
{
if ((tp->last_y - new_y) > tp->drag_threshold)
{
new_y = tp->last_y - tp->drag_threshold;
}
}
/* Make sure the new y position is within range */
if (new_y < _XfemOffsetTop(w))
{
new_y = _XfemOffsetTop(w);
}
else if (new_y > MaxItemY(tp->items[index]))
{
new_y = MaxItemY(tp->items[index]);
}
/* Make sure the new y position is different */
if (_XfeY(item) == new_y)
{
return;
}
/* Move the item to its new position */
MoveItem(w,index,new_y);
/* Compute the new drag direction */
if (new_y > tp->last_y)
{
tp->drag_direction = DIRECTION_DOWN;
}
else
{
tp->drag_direction = DIRECTION_UP;
}
/* Find out if an item is underneath the item */
under_index = FindItemUnder(w,index);
if (CHECK_RANGE(tp,under_index))
{
Widget under_item = tp->items[under_index];
Position empty_slot_y;
/* Make sure the item underneath was not already swapped */
if (under_item != tp->last_moved_item)
{
/* Up */
if (tp->drag_direction == DIRECTION_UP)
{
if (index == LastManagedIndex(w))
{
empty_slot_y = MaxItemY(tp->items[under_index]);
}
else
{
int next_index = NextManagedIndex(w,index);
empty_slot_y =
_XfeY(tp->items[next_index]) -
_XfeHeight(tp->items[under_index]) -
tp->vertical_spacing;
}
}
/* Down */
else
{
if (index == FirstManagedIndex(w))
{
empty_slot_y = _XfemBoundaryY(w);
}
else
{
int prev_index = PreviousManagedIndex(w,index);
empty_slot_y =
_XfeY(tp->items[prev_index]) +
_XfeHeight(tp->items[prev_index]) +
tp->vertical_spacing;
}
}
/* Swap the item being dragged with the underneath item */
MoveItem(w,under_index,empty_slot_y);
SwapItems(w,index,under_index);
tp->last_moved_item = under_item;
/* Update the position_index contraint member of the items */
UpdatePositionIndeces(w);
/* printf("Swap(%s = %d)\n",XtName(tp->items[index]),index); */
/* Invoke the swap callbacks */
InvokeSwapCallbacks(w,event,item,under_item,index,under_index);
}
}
/* If the direction changed within a drag, rest the last moved item */
if (old_drag_direction != tp->drag_direction)
{
if (_XfeIsAlive(tp->last_moved_item))
{
tp->last_moved_item = NULL;
}
}
tp->last_y = new_y;
}
/*----------------------------------------------------------------------*/
static Boolean
MoveItem(Widget w,Cardinal index,int y)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
if (_XfeY(tp->items[index]) != y)
{
/* Move the item */
_XfeMoveWidget(tp->items[index],_XfeX(tp->items[index]),y);
/* Move the item's tab button */
_XfeMoveWidget(tp->opened_tabs[index],_XfeX(tp->opened_tabs[index]),y);
return True;
}
return False;
}
/*----------------------------------------------------------------------*/
static int
MaxItemY(Widget item)
{
Widget w = XtParent(item);
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Dimension max_y = _XfeHeight(w) - _XfemOffsetBottom(w);
/* Include the closed tab button height if any are active */
if (ActiveItemCount(w) < tp->item_count)
{
max_y -= _XfeHeight(tp->closed_tabs[tp->item_count - 1]);
}
max_y -= _XfeHeight(item);
return max_y;
}
/*----------------------------------------------------------------------*/
static void
SwapItems(Widget w,int i,int j)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
XfeToolBoxConstraintPart * cpi;
XfeToolBoxConstraintPart * cpj;
assert( CHECK_RANGE(tp,i) );
assert( CHECK_RANGE(tp,j) );
/* Swap the item */
_XfeSwap(tp->items[i],tp->items[j],Widget);
/* Swap the tab buttons */
_XfeSwap(tp->closed_tabs[i],tp->closed_tabs[j],Widget);
_XfeSwap(tp->opened_tabs[i],tp->opened_tabs[j],Widget);
/* Swap the item state */
cpi = _XfeToolBoxConstraintPart(tp->items[i]);
cpj = _XfeToolBoxConstraintPart(tp->items[j]);
_XfeSwap(cpi->open,cpj->open,Boolean);
}
/*----------------------------------------------------------------------*/
static int
ItemToIndex(Widget item)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(XtParent(item));
Cardinal i = 0;
for (i = 0; i < tp->item_count; i++)
{
if (item == tp->items[i])
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static int
TabToIndex(Widget tab)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(XtParent(tab));
Cardinal i = 0;
for (i = 0; i < tp->item_count; i++)
{
if ((tab == tp->closed_tabs[i]) || (tab == tp->opened_tabs[i]))
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Item functions */
/* */
/*----------------------------------------------------------------------*/
static void
UpdateItems(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
Cardinal new_count = 0;
/* First, count the number of items that are alive */
for (i = 0; i < tp->item_count; i++)
{
if (_XfeIsAlive(tp->items[i]))
{
new_count++;
}
}
if (!new_count)
{
if (tp->items)
{
XtFree((char *) tp->items);
}
if (tp->closed_tabs)
{
XtFree((char *) tp->closed_tabs);
}
if (tp->opened_tabs)
{
XtFree((char *) tp->opened_tabs);
}
tp->items = NULL;
tp->closed_tabs = NULL;
tp->opened_tabs = NULL;
tp->item_count = 0;
}
else
{
WidgetList new_items =
(WidgetList) XtMalloc(sizeof(Widget) * new_count);
WidgetList new_closed_tabs =
(WidgetList) XtMalloc(sizeof(Widget) * new_count);
WidgetList new_opened_tabs =
(WidgetList) XtMalloc(sizeof(Widget) * new_count);
Cardinal index = 0;
for (i = 0; i < tp->item_count; i++)
{
if (_XfeIsAlive(tp->items[i]))
{
new_items[index] = tp->items[i];
new_closed_tabs[index] = tp->closed_tabs[i];
new_opened_tabs[index] = tp->opened_tabs[i];
index++;
}
}
if (tp->items)
{
XtFree((char *) tp->items);
}
if (tp->closed_tabs)
{
XtFree((char *) tp->closed_tabs);
}
if (tp->opened_tabs)
{
XtFree((char *) tp->opened_tabs);
}
tp->items = new_items;
tp->closed_tabs = new_closed_tabs;
tp->opened_tabs = new_opened_tabs;
tp->item_count = new_count;
}
}
/*----------------------------------------------------------------------*/
static int
FirstManagedIndex(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
for (i = 0; i < tp->item_count; i++)
{
if (XtIsManaged(tp->items[i]))
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static int
LastManagedIndex(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
for (i = (tp->item_count - 1); i >= 0; i--)
{
if (XtIsManaged(tp->items[i]))
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static int
NextManagedIndex(Widget w,int index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
assert( CHECK_RANGE(tp,index) );
assert( CHECK_RANGE(tp,index + 1) );
for (i = (index + 1); i < tp->item_count; i++)
{
if (XtIsManaged(tp->items[i]))
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static int
PreviousManagedIndex(Widget w,int index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
assert( CHECK_RANGE(tp,index) );
assert( CHECK_RANGE(tp,index - 1) );
for (i = (index - 1); i >= 0; i--)
{
if (XtIsManaged(tp->items[i]))
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static void
RaiseItem(Widget w,int index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
assert( CHECK_RANGE(tp,index) );
assert( _XfeIsAlive(tp->items[index]) );
assert( _XfeIsAlive(tp->opened_tabs[index]) );
XRaiseWindow(XtDisplay(w),_XfeWindow(tp->items[index]));
XRaiseWindow(XtDisplay(w),_XfeWindow(tp->opened_tabs[index]));
}
/*----------------------------------------------------------------------*/
static void
SnapItemInPlace(Widget w,int index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int last_managed_index;
int first_managed_index;
Boolean moved = False;
assert( CHECK_RANGE(tp,index) );
assert( _XfeIsAlive(tp->items[index]) );
assert( _XfeIsAlive(tp->opened_tabs[index]) );
first_managed_index = FirstManagedIndex(w);
last_managed_index = LastManagedIndex(w);
/* Check for the first item */
if (index == first_managed_index)
{
moved = MoveItem(w,index,_XfemBoundaryY(w));
}
/* Check for the last item */
else if (index == last_managed_index)
{
moved = MoveItem(w,index,MaxItemY(tp->items[index]));
}
/* Other in-between items */
else
{
int next_managed_index = NextManagedIndex(w,index);
int previous_managed_index = PreviousManagedIndex(w,index);
assert( CHECK_RANGE(tp,previous_managed_index) );
assert( CHECK_RANGE(tp,next_managed_index) );
/* Check previous item */
if (ItemOverItem(w,index,previous_managed_index,0))
{
moved = MoveItem(w,
index,
_XfeY(tp->items[previous_managed_index]) +
_XfeHeight(tp->items[previous_managed_index]) +
tp->vertical_spacing);
}
/* Check next item */
/*else if (ItemOverItem(w,index,next_managed_index,0))*/
else
{
moved = MoveItem(w,
index,
_XfeY(tp->items[next_managed_index]) -
_XfeHeight(tp->items[index]) -
tp->vertical_spacing);
}
}
/* Invoke snap callbacks only if the item actually moved */
if (moved)
{
InvokeCallbacks(w,
tp->snap_callback,
XmCR_TOOL_BOX_SNAP,
NULL,
tp->items[index],
tp->closed_tabs[index],
tp->opened_tabs[index],
index);
}
}
/*----------------------------------------------------------------------*/
static int
FindItemUnder(Widget w,int over_index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
assert( CHECK_RANGE(tp,over_index) );
for (i = 0; i < tp->item_count; i++)
{
/* Ignore the over item */
if (i != over_index)
{
if (XtIsManaged(tp->items[i]))
{
if (ItemOverItem(w,over_index,i,tp->swap_threshold))
{
return i;
}
}
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
static Boolean
ItemOverItem(Widget w,int over_index,int under_index,Dimension threshold)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Widget over_item;
Widget under_item;
Position over_y0;
Position over_y1;
Position under_y0;
Position under_y1;
assert( CHECK_RANGE(tp,over_index) );
assert( CHECK_RANGE(tp,under_index) );
over_item = tp->items[over_index];
under_item = tp->items[under_index];
over_y0 = _XfeY(over_item);
over_y1 = _XfeY(over_item) + _XfeHeight(over_item);
under_y0 = _XfeY(under_item);
under_y1 = _XfeY(under_item) + _XfeHeight(under_item);
assert( _XfeIsAlive(over_item) );
assert( _XfeIsAlive(under_item) );
return (
((over_y1 > under_y1) && (over_y0 < under_y0)) ||
((over_y1 > (under_y0 + threshold)) && (over_y1 < under_y1)) ||
((over_y0 > under_y0) && (over_y0 < (under_y1 - threshold)))
);
}
/*----------------------------------------------------------------------*/
static void
CheckSwapThreshold(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
return;
for (i = 0; i < tp->item_count; i++)
{
if (tp->swap_threshold > (_XfeHeight(tp->items[i]) - 4))
{
tp->swap_threshold = (_XfeHeight(tp->items[i]) - 4);
_XfeWarning(w,MESSAGE4);
}
}
}
/*----------------------------------------------------------------------*/
static void
UpdatePixmaps(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
Arg oav[6];
Cardinal oac = 0;
Arg cav[6];
Cardinal cac = 0;
/* Opened - vertical */
XtSetArg(oav[oac],XmNtopPixmap, tp->top_pixmap); oac++;
XtSetArg(oav[oac],XmNtopRaisedPixmap, tp->top_raised_pixmap); oac++;
XtSetArg(oav[oac],XmNbottomPixmap, tp->bottom_pixmap); oac++;
XtSetArg(oav[oac],XmNbottomRaisedPixmap, tp->bottom_raised_pixmap); oac++;
XtSetArg(oav[oac],XmNverticalPixmap, tp->vertical_pixmap); oac++;
XtSetArg(oav[oac],XmNverticalRaisedPixmap, tp->vertical_raised_pixmap); oac++;
/* Closed - horizontal */
XtSetArg(cav[cac],XmNleftPixmap, tp->left_pixmap); cac++;
XtSetArg(cav[cac],XmNleftRaisedPixmap, tp->left_raised_pixmap); cac++;
XtSetArg(cav[cac],XmNrightPixmap, tp->right_pixmap); cac++;
XtSetArg(cav[cac],XmNrightRaisedPixmap, tp->right_raised_pixmap); cac++;
XtSetArg(cav[cac],XmNhorizontalPixmap, tp->horizontal_pixmap); cac++;
XtSetArg(cav[cac],XmNhorizontalRaisedPixmap,tp->horizontal_raised_pixmap); cac++;
for (i = 0; i < tp->item_count; i++)
{
XtSetValues(tp->opened_tabs[i],oav,oac);
XtSetValues(tp->closed_tabs[i],cav,cac);
}
}
/*----------------------------------------------------------------------*/
static void
InvokeSwapCallbacks(Widget w,
XEvent * event,
Widget swapped,
Widget displaced,
int from_index,
int to_index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
if (tp->swap_callback)
{
XfeToolBoxSwapCallbackStruct cbs;
cbs.reason = XmCR_TOOL_BOX_SWAP;
cbs.event = event;
cbs.swapped = swapped;
cbs.displaced = displaced;
cbs.from_index = from_index;
cbs.to_index = to_index;
/* Invoke the Callback List */
XtCallCallbackList(w,tp->swap_callback,&cbs);
}
}
/*----------------------------------------------------------------------*/
static void
InvokeCallbacks(Widget w,
XtCallbackList list,
int reason,
XEvent * event,
Widget item,
Widget closed_tab,
Widget opened_tab,
int index)
{
if (list)
{
XfeToolBoxCallbackStruct cbs;
cbs.reason = reason;
cbs.event = event;
cbs.item = item;
cbs.closed_tab = closed_tab;
cbs.opened_tab = opened_tab;
cbs.index = index;
XFlush(XtDisplay(w));
/* Invoke the Callback List */
XtCallCallbackList(w,list,&cbs);
}
}
/*----------------------------------------------------------------------*/
static void
UpdatePositionIndeces(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
Cardinal index = 0;
/* Update the position_index contraint resource of the items */
for (i = 0; i < tp->item_count; i++)
{
if (_XfeIsAlive(tp->items[i]))
{
_XfeDynamicManagerPositionIndex(tp->items[i]) = index;
index++;
}
}
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* Child functions */
/* */
/*----------------------------------------------------------------------*/
static void
ChildSetDraggable(Widget w,Widget child,Boolean draggable)
{
if (_XfeIsAlive(child))
{
/* First remove any event handler that might have been added */
XtRemoveEventHandler(child,DRAG_EVENTS,True,DescendantEH,w);
/* Add the event handler if needed */
if (draggable)
{
XtAddEventHandler(child,DRAG_EVENTS,True,DescendantEH,w);
}
}
}
/*----------------------------------------------------------------------*/
#if 0
static void
UpdatePositionIndeces(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
/* Update the position_index contraint resource of the items */
for (i = 0; i < tp->item_count; i++)
{
assert( _XfeIsAlive(tp->items[i]) );
_XfeDynamicManagerPositionIndex(tp->items[i]) = i;
}
}
/*----------------------------------------------------------------------*/
#endif
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox Public Methods */
/* */
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeCreateToolBox(Widget parent,char *name,Arg *args,Cardinal count)
{
return (XtCreateWidget(name,xfeToolBoxWidgetClass,parent,args,count));
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox drag descendant */
/* */
/*----------------------------------------------------------------------*/
/* extern */ void
XfeToolBoxAddDragDescendant(Widget w,Widget descendant)
{
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
assert( _XfeIsAlive(descendant) );
ChildSetDraggable(w,descendant,True);
}
/*----------------------------------------------------------------------*/
/* extern */ extern void
XfeToolBoxRemoveDragDescendant(Widget w,Widget descendant)
{
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
ChildSetDraggable(w,descendant,False);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox index methods */
/* */
/*----------------------------------------------------------------------*/
/* extern */ int
XfeToolBoxItemGetIndex(Widget w,Widget item)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
assert( _XfeIsAlive(item) );
for (i = 0; i < tp->item_count; i++)
{
if (item == tp->items[i])
{
return i;
}
}
return XmTOOL_BOX_NOT_FOUND;
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeToolBoxItemGetByIndex(Widget w,Cardinal index)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
if (index >= tp->item_count)
{
return NULL;
}
return tp->items[index];
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeToolBoxItemGetTab(Widget w,Widget item,Boolean opened)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i = XfeToolBoxItemGetIndex(w,item);
if (i != XmTOOL_BOX_NOT_FOUND)
{
return opened ? tp->opened_tabs[i] : tp->closed_tabs[i];
}
return NULL;
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox position methods */
/* */
/*----------------------------------------------------------------------*/
/* extern */ void
XfeToolBoxItemSetPosition(Widget w,Widget item,int pos)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int old_pos;
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
assert( tp->item_count >= 1 );
if (pos == XmLAST_POSITION)
{
pos = tp->item_count - 1;
}
assert( pos < tp->item_count );
assert( pos >= 0 );
if ((tp->item_count < 2) ||
(pos < 0) ||
(pos >= tp->item_count) ||
(pos == _XfeDynamicManagerPositionIndex(item)))
{
return;
}
/* Last position */
if (pos == (tp->item_count - 1))
{
old_pos = pos - 1;
}
/* Between 0 and last */
else
{
old_pos = pos + 1;
}
SwapItems(w,pos,old_pos);
/* Update the position_index contraint member of the items */
UpdatePositionIndeces(w);
LayoutComponents(w);
LayoutDynamicChildren(w);
/* printf("Swap(%s = %d)\n",XtName(tp->items[pos]),pos); */
/* Invoke the swap callbacks */
InvokeSwapCallbacks(w,NULL,tp->items[pos],tp->items[old_pos],pos,old_pos);
}
/*----------------------------------------------------------------------*/
/* extern */ int
XfeToolBoxItemGetPosition(Widget w,Widget item)
{
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
return _XfeDynamicManagerPositionIndex(item);
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBox open methods */
/* */
/*----------------------------------------------------------------------*/
/* extern */ void
XfeToolBoxItemSetOpen(Widget w,Widget item,Boolean open)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
int index;
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
assert( _XfeIsAlive(item) );
assert( tp->item_count >= 1 );
index = ItemToIndex(item);
assert( CHECK_RANGE(tp,index) );
/* Make sure open is different */
if (_XfeToolBoxChildOpen(tp->items[index]) == open)
{
return;
}
#if 0
printf("XtVaSetValues(%s,XmNopen,%s,NULL)\n",
XtName(item),
open ? "open" : "closed");
#endif
XtVaSetValues(item,XmNopen,open,NULL);
/*
* This is a temprary hack to fix the "off by one" toolbar closed
* problem that occurs when all toolbox items are closed.
*/
LayoutComponents(w);
LayoutDynamicChildren(w);
}
/*----------------------------------------------------------------------*/
/* extern */ Boolean
XfeToolBoxItemGetOpen(Widget w,Widget item)
{
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
return _XfeToolBoxChildOpen(item);
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeToolBoxItemToggleOpen(Widget w,Widget item)
{
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
XfeToolBoxItemSetOpen(w,item,!_XfeToolBoxChildOpen(item));
}
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
/* */
/* XfeToolBoxIsNeeded() */
/* */
/*----------------------------------------------------------------------*/
/* extern */ Boolean
XfeToolBoxIsNeeded(Widget w)
{
XfeToolBoxPart * tp = _XfeToolBoxPart(w);
Cardinal i;
assert( _XfeIsAlive(w) );
assert( XfeIsToolBox(w) );
if (tp->item_count)
{
for (i = 0; i < tp->item_count; i++)
{
/* If at least one child is shown, the tool box is needed */
if (_XfeChildIsShown(tp->items[i]))
{
return True;
}
}
}
return False;
}
/*----------------------------------------------------------------------*/
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