/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ /*-----------------------------------------*/ /* */ /* Name: */ /* Description: XfeToolScroll widget source. */ /* Author: Ramiro Estrugo */ /* */ /*----------------------------------------------------------------------*/ #include #include #include #include #include #define MESSAGE1 "Widget is not an XfeToolScroll." #define MESSAGE2 "XmNbackwardArrow is a read-only resource." #define MESSAGE3 "XmNforwardArrow is a read-only resource." #define MESSAGE4 "XmNtoolBar is a read-only resource." #define MESSAGE5 "XmNclipArea is a read-only resource." #define BACKWARD_ARROW_NAME "BackwardArrow" #define FORWARD_ARROW_NAME "ForwardArrow" #define TOOL_BAR_NAME "ToolBar" #define CLIP_AREA_NAME "ClipArea" /*----------------------------------------------------------------------*/ /* */ /* 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 DrawComponents (Widget,XEvent *,Region,XRectangle *); static void LayoutComponents (Widget); static Boolean AcceptChild (Widget); static Boolean DeleteChild (Widget); static Boolean InsertChild (Widget); /*----------------------------------------------------------------------*/ /* */ /* XfeOriented class methods */ /* */ /*----------------------------------------------------------------------*/ static void EnterProc (Widget,Widget,int,int); static void LeaveProc (Widget,Widget,int,int); static void MotionProc (Widget,Widget,int,int); static void DragStart (Widget,Widget,int,int); static void DragEnd (Widget,Widget,int,int); static void DragMotion (Widget,Widget,int,int); static void DescendantMotion (Widget,Widget,int,int); static void DescendantDragStart (Widget,Widget,int,int); static void DescendantDragEnd (Widget,Widget,int,int); static void DescendantDragMotion (Widget,Widget,int,int); /*----------------------------------------------------------------------*/ /* */ /* Misc functions */ /* */ /*----------------------------------------------------------------------*/ static void LayoutVertical (Widget); static void LayoutHorizontal (Widget); static void LayoutToolBar (Widget); /*----------------------------------------------------------------------*/ /* */ /* XfeToolScroll Resources */ /* */ /*----------------------------------------------------------------------*/ static XtResource resources[] = { /* Arrow resources */ { XmNbackwardArrow, XmCReadOnly, XmRWidget, sizeof(Widget), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . backward_arrow), XmRImmediate, (XtPointer) NULL }, { XmNforwardArrow, XmCReadOnly, XmRWidget, sizeof(Widget), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . forward_arrow), XmRImmediate, (XtPointer) NULL }, { XmNarrowDisplayPolicy, XmCArrowDisplayPolicy, XmRArrowDisplayPolicy, sizeof(unsigned char), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . arrow_display_policy), XmRImmediate, (XtPointer) XmAS_NEEDED }, { XmNarrowPlacement, XmCArrowPlacement, XmRToolScrollArrowPlacement, sizeof(unsigned char), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . arrow_placement), XmRImmediate, (XtPointer) XmTOOL_SCROLL_ARROW_PLACEMENT_START }, /* ClipArea resources */ { XmNclipArea, XmCReadOnly, XmRWidget, sizeof(Widget), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . clip_area), XmRImmediate, (XtPointer) NULL }, { XmNclipShadowThickness, XmCShadowThickness, XmRHorizontalDimension, sizeof(Dimension), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . clip_shadow_thickness), XmRCallProc, (XtPointer) _XfeCallProcCopyShadowThickness }, { XmNclipShadowType, XmCShadowType, XmRShadowType, sizeof(unsigned char), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . clip_shadow_type), XmRImmediate, (XtPointer) XmSHADOW_IN }, /* Tool bar resources */ { XmNtoolBar, XmCReadOnly, XmRWidget, sizeof(Widget), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . tool_bar), XmRImmediate, (XtPointer) NULL }, { XmNtoolBarPosition, XmCToolBarPosition, XmRPosition, sizeof(Position), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . tool_bar_position), XmRImmediate, (XtPointer) 0 }, /* Force XmNallowDrag to True */ { XmNallowDrag, XmCBoolean, XmRBoolean, sizeof(Boolean), XtOffsetOf(XfeToolScrollRec , xfe_oriented . allow_drag), XmRImmediate, (XtPointer) True }, /* Force XmNspacing to 4 */ { XmNspacing, XmCSpacing, XmRHorizontalDimension, sizeof(Dimension), XtOffsetOf(XfeToolScrollRec , xfe_oriented . spacing), XmRImmediate, (XtPointer) 4 }, }; /*----------------------------------------------------------------------*/ /* */ /* XfeToolScroll Synthetic Resources */ /* */ /*----------------------------------------------------------------------*/ static XmSyntheticResource syn_resources[] = { { XmNclipShadowThickness, sizeof(Dimension), XtOffsetOf(XfeToolScrollRec , xfe_tool_scroll . clip_shadow_thickness), _XmFromHorizontalPixels, _XmToHorizontalPixels }, }; /*----------------------------------------------------------------------*/ /* */ /* Widget Class Record Initialization */ /* */ /*----------------------------------------------------------------------*/ _XFE_WIDGET_CLASS_RECORD(toolscroll,ToolScroll) = { { (WidgetClass) &xfeOrientedClassRec, /* superclass */ "XfeToolScroll", /* class_name */ sizeof(XfeToolScrollRec), /* widget_size */ NULL, /* class_initialize */ NULL, /* class_part_initialize*/ FALSE, /* class_inited */ Initialize, /* initialize */ NULL, /* initialize_hook */ XtInheritRealize, /* realize */ NULL, /* actions */ 0, /* num_actions */ resources, /* resources */ XtNumber(resources), /* num_resources */ NULLQUARK, /* xrm_class */ TRUE, /* compress_motion */ XtExposeCompressMaximal, /* compress_exposure */ TRUE, /* compress_enterleave */ FALSE, /* visible_interest */ Destroy, /* destroy */ XtInheritResize, /* resize */ XtInheritExpose, /* expose */ SetValues, /* set_values */ NULL, /* set_values_hook */ XtInheritSetValuesAlmost, /* set_values_almost */ NULL, /* get_values_hook */ NULL, /* accexfe_focus */ XtVersion, /* version */ NULL, /* callback_private */ XtInheritTranslations, /* tm_table */ XtInheritQueryGeometry, /* query_geometry */ XtInheritDisplayAccelerator, /* display accel */ NULL, /* extension */ }, /* Composite Part */ { XtInheritGeometryManager, /* geometry_manager */ XtInheritChangeManaged, /* change_managed */ XtInheritInsertChild, /* insert_child */ XtInheritDeleteChild, /* delete_child */ NULL /* extension */ }, /* Constraint Part */ { NULL, /* resource list */ 0, /* num resources */ sizeof(XfeOrientedConstraintRec), /* constraint size */ NULL, /* init proc */ NULL, /* destroy proc */ NULL, /* set values proc */ NULL, /* extension */ }, /* XmManager Part */ { XtInheritTranslations, /* tm_table */ 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 */ XfeInheritMinimumGeometry, /* minimum_geometry */ XfeInheritUpdateRect, /* update_rect */ AcceptChild, /* accept_child */ InsertChild, /* insert_child */ DeleteChild, /* delete_child */ NULL, /* change_managed */ NULL, /* prepare_components */ LayoutComponents, /* layout_components */ NULL, /* layout_children */ NULL, /* draw_background */ XfeInheritDrawShadow, /* draw_shadow */ DrawComponents, /* draw_components */ NULL, /* extension */ }, /* XfeOriented Part */ { EnterProc, /* enter */ LeaveProc, /* leave */ MotionProc, /* motion */ DragStart, /* drag_start */ DragEnd, /* drag_end */ DragMotion, /* drag_motion */ XfeInheritDescendantEnter, /* des_enter */ XfeInheritDescendantLeave, /* des_leave */ DescendantMotion, /* des_motion */ DescendantDragStart, /* des_drag_start */ DescendantDragEnd, /* des_drag_end */ DescendantDragMotion, /* des_drag_motion */ NULL, /* extension */ }, /* XfeToolScroll Part */ { NULL, /* extension */ }, }; /*----------------------------------------------------------------------*/ /* */ /* xfeToolScrollWidgetClassdeclaration. */ /* */ /*----------------------------------------------------------------------*/ _XFE_WIDGET_CLASS(toolscroll,ToolScroll); /*----------------------------------------------------------------------*/ /* */ /* Core class methods */ /* */ /*----------------------------------------------------------------------*/ static void Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs) { XfeToolScrollPart * tp = _XfeToolScrollPart(nw); /* Make sure rep types are ok */ XfeRepTypeCheck(nw,XmRArrowDisplayPolicy,&tp->arrow_display_policy, XmAS_NEEDED); XfeRepTypeCheck(nw,XmRToolScrollArrowPlacement,&tp->arrow_placement, XmTOOL_SCROLL_ARROW_PLACEMENT_START); tp->backward_arrow = XtVaCreateManagedWidget(BACKWARD_ARROW_NAME, xfeArrowWidgetClass, nw, XmNbackground, _XfeBackgroundPixel(nw), XmNforeground, _XfemForeground(nw), XmNbackgroundPixmap,_XfeBackgroundPixmap(nw), NULL); tp->forward_arrow = XtVaCreateManagedWidget(FORWARD_ARROW_NAME, xfeArrowWidgetClass, nw, XmNbackground, _XfeBackgroundPixel(nw), XmNforeground, _XfemForeground(nw), XmNbackgroundPixmap,_XfeBackgroundPixmap(nw), NULL); tp->clip_area = XtVaCreateManagedWidget(CLIP_AREA_NAME, xmDrawingAreaWidgetClass, nw, XmNbackground, _XfeBackgroundPixel(nw), XmNforeground, _XfemForeground(nw), XmNbackgroundPixmap,_XfeBackgroundPixmap(nw), XmNmarginWidth, 0, XmNmarginHeight, 0, XmNshadowThickness, 0, XmNallowDrag, True, NULL); tp->tool_bar = XtVaCreateManagedWidget(TOOL_BAR_NAME, xfeToolBarWidgetClass, tp->clip_area, XmNbackground, _XfeBackgroundPixel(nw), XmNforeground, _XfemForeground(nw), XmNbackgroundPixmap,_XfeBackgroundPixmap(nw), XmNorientation, _XfeOrientedOrientation(nw), XmNallowDrag, True, NULL); /* Finish of initialization */ _XfeManagerChainInitialize(rw,nw,xfeToolScrollWidgetClass); } /*----------------------------------------------------------------------*/ static void Destroy(Widget w) { } /*----------------------------------------------------------------------*/ static Boolean SetValues(Widget ow,Widget rw,Widget nw,ArgList args,Cardinal *nargs) { XfeToolScrollPart * np = _XfeToolScrollPart(nw); XfeToolScrollPart * op = _XfeToolScrollPart(ow); /* backward_arrow */ if (np->backward_arrow != op->backward_arrow) { _XfeWarning(nw,MESSAGE2); np->backward_arrow = op->backward_arrow; } /* forward_arrow */ if (np->forward_arrow != op->forward_arrow) { _XfeWarning(nw,MESSAGE3); np->forward_arrow = op->forward_arrow; } /* tool_bar */ if (np->tool_bar != op->tool_bar) { _XfeWarning(nw,MESSAGE4); np->tool_bar = op->tool_bar; } /* clip_area */ if (np->clip_area != op->clip_area) { _XfeWarning(nw,MESSAGE5); np->clip_area = op->clip_area; } /* orientation */ if (_XfeOrientedOrientation(nw) != _XfeOrientedOrientation(ow)) { if (_XfeIsAlive(np->tool_bar)) { XtVaSetValues(np->tool_bar, XmNorientation, _XfeOrientedOrientation(nw), NULL); } } /* arrow_display_policy */ if (np->arrow_display_policy != op->arrow_display_policy) { /* Make sure the new arrow display policy is ok */ XfeRepTypeCheck(nw,XmRArrowDisplayPolicy,&np->arrow_display_policy, XmAS_NEEDED); _XfemConfigFlags(nw) |= XfeConfigGLE; } /* arrow_placement */ if (np->arrow_placement != op->arrow_placement) { /* Make sure the new arrow display policy is ok */ XfeRepTypeCheck(nw,XmRToolScrollArrowPlacement,&np->arrow_placement, XmTOOL_SCROLL_ARROW_PLACEMENT_START); _XfemConfigFlags(nw) |= XfeConfigGLE; } return _XfeManagerChainSetValues(ow,rw,nw,xfeToolScrollWidgetClass); } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* XfeManager class methods */ /* */ /*----------------------------------------------------------------------*/ static void PreferredGeometry(Widget w,Dimension * width,Dimension * height) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); *width = _XfemOffsetLeft(w) + _XfemOffsetRight(w) + 2 * tp->clip_shadow_thickness + 2 * _XfeOrientedSpacing(w); *height = _XfemOffsetTop(w) + _XfemOffsetBottom(w) + 2 * tp->clip_shadow_thickness + 2 * _XfeOrientedSpacing(w); if (_XfeOrientedOrientation(w) == XmVERTICAL) { *width += _XfemPreferredWidth(tp->tool_bar); *height += (_XfemPreferredHeight(tp->tool_bar) + _XfeHeight(tp->backward_arrow)); } else { *height += _XfemPreferredHeight(tp->tool_bar); *width += (_XfemPreferredWidth(tp->tool_bar) + _XfeWidth(tp->backward_arrow)); } } /*----------------------------------------------------------------------*/ static void DrawComponents(Widget w,XEvent * event,Region region,XRectangle * clip_rect) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); if (tp->clip_shadow_thickness > 0) { XfeDrawShadowsAroundWidget(w, tp->clip_area, _XfemTopShadowGC(w), _XfemBottomShadowGC(w), _XfeOrientedSpacing(w), tp->clip_shadow_thickness, tp->clip_shadow_type); } } /*----------------------------------------------------------------------*/ static void LayoutComponents(Widget w) { /* Vertical */ if (_XfeOrientedOrientation(w) == XmVERTICAL) { LayoutVertical(w); } /* Horizontal */ else { LayoutHorizontal(w); } /* Layout the toolbar */ LayoutToolBar(w); } /*----------------------------------------------------------------------*/ static Boolean AcceptChild(Widget child) { return False; } /*----------------------------------------------------------------------*/ static Boolean InsertChild(Widget child) { Widget w = XtParent(child); /* XfeToolScrollPart * tp = _XfeToolScrollPart(w); */ return True; } /*----------------------------------------------------------------------*/ static Boolean DeleteChild(Widget child) { Widget w = XtParent(child); /* XfeToolScrollPart * tp = _XfeToolScrollPart(w); */ return True; } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* XfeOriented class methods */ /* */ /*----------------------------------------------------------------------*/ static void EnterProc(Widget w,Widget descendant,int x,int y) { _XfeOrientedSetCursorState(w,True); } /*----------------------------------------------------------------------*/ static void LeaveProc(Widget w,Widget descendant,int x,int y) { _XfeOrientedSetCursorState(w,False); } /*----------------------------------------------------------------------*/ static void MotionProc(Widget w,Widget descendant,int x,int y) { } /*----------------------------------------------------------------------*/ static void DragStart(Widget w,Widget descendant,int x,int y) { printf("DragStart(%s,%s,%d,%d)\n", XtName(w),descendant ? XtName(descendant) : "NULL",x,y); #if 0 /* Make sure the coords are inside the sash */ if (!SashContainsXY(w,x,y)) { return; } SashDragStart(w,x,y,NULL); #endif } /*----------------------------------------------------------------------*/ static void DragEnd(Widget w,Widget descendant,int x,int y) { printf("DragEnd(%s,%s,%d,%d) start = (%d,%d)\n", XtName(w), descendant ? XtName(descendant) : "NULL", x,y, _XfeOrientedDragStartX(w), _XfeOrientedDragStartY(w)); #if 0 SashDragEnd(w,x,y,NULL); #endif } /*----------------------------------------------------------------------*/ static void DragMotion(Widget w,Widget descendant,int x,int y) { printf("DragMotion(%s,%s,%d,%d)\n", XtName(w),descendant ? XtName(descendant) : "NULL",x,y); #if 0 SashDragMotion(w,x,y,NULL); #endif } /*----------------------------------------------------------------------*/ static void DescendantMotion(Widget w,Widget descendant,int x,int y) { printf("DescendantMotion(%s,%s,%d,%d)\n", XtName(w),descendant ? XtName(descendant) : "NULL",x,y); } /*----------------------------------------------------------------------*/ static void DescendantDragStart(Widget w,Widget descendant,int x,int y) { #if 0 printf("DescendantDragStart(%s,%s,%d,%d)\n", XtName(w),descendant ? XtName(descendant) : "NULL",x,y); #endif printf("diff = %d\n",_XfeOrientedDragStartY(w) - y); #if 0 SashDragStart(w,x,y,DescendantFindAttachment(w,descendant)); #endif } /*----------------------------------------------------------------------*/ static void DescendantDragEnd(Widget w,Widget descendant,int x,int y) { printf("DescendantDragEnd(%s,%s,%d,%d) start = (%d,%d)\n", XtName(w), descendant ? XtName(descendant) : "NULL", x,y, _XfeOrientedDragStartX(w), _XfeOrientedDragStartY(w)); #if 0 SashDragEnd(w,x,y,DescendantFindAttachment(w,descendant)); #endif } /*----------------------------------------------------------------------*/ static void DescendantDragMotion(Widget w,Widget descendant,int x,int y) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); Position new_pos; #if 0 printf("DescendantDragMotion(%s,%s,%d,%d)\n", XtName(w),descendant ? XtName(descendant) : "NULL",x,y); #endif new_pos = tp->tool_bar_position + (y - _XfeOrientedDragStartY(w)) * 1; _XfeMoveWidget(tp->tool_bar,0,new_pos); #if 0 SashDragMotion(w,x,y,DescendantFindAttachment(w,descendant)); #endif } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* Misc functions */ /* */ /*----------------------------------------------------------------------*/ static void LayoutVertical(Widget w) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); int backward_width = _XfemRectWidth(w) / 2; int forward_width = _XfemRectWidth(w) - backward_width; /* The backward arrow */ if (backward_width > 0) { XtVaSetValues(tp->backward_arrow,XmNarrowDirection,XmARROW_DOWN,NULL); _XfeConfigureWidget(tp->backward_arrow, _XfemRectX(w), _XfemRectY(w), backward_width, _XfeHeight(tp->backward_arrow)); } /* The forward arrow */ if (forward_width > 0) { XtVaSetValues(tp->backward_arrow,XmNarrowDirection,XmARROW_UP,NULL); _XfeConfigureWidget(tp->forward_arrow, _XfeX(tp->backward_arrow) + _XfeWidth(tp->backward_arrow), _XfemRectY(w), forward_width, _XfeHeight(tp->forward_arrow)); } if (backward_width || forward_width) { _XfeConfigureWidget(tp->clip_area, _XfemRectX(w) + tp->clip_shadow_thickness + _XfeOrientedSpacing(w), _XfeY(tp->backward_arrow) + _XfeHeight(tp->backward_arrow) + tp->clip_shadow_thickness + _XfeOrientedSpacing(w), _XfemRectWidth(w) - 2 * tp->clip_shadow_thickness - 2 * _XfeOrientedSpacing(w), _XfemRectHeight(w) - _XfeHeight(tp->backward_arrow) - 2 * tp->clip_shadow_thickness - 2 * _XfeOrientedSpacing(w)); } } /*----------------------------------------------------------------------*/ static void LayoutHorizontal(Widget w) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); int backward_height = _XfemRectHeight(w) / 2; int forward_height = _XfemRectHeight(w) - backward_height; /* The backward arrow */ if (backward_height > 1) { XtVaSetValues(tp->backward_arrow,XmNarrowDirection,XmARROW_LEFT,NULL); _XfeConfigureWidget(tp->backward_arrow, _XfemRectX(w), _XfemRectY(w), _XfeWidth(tp->backward_arrow), backward_height); } /* The forward arrow */ if (forward_height > 1) { XtVaSetValues(tp->forward_arrow,XmNarrowDirection,XmARROW_RIGHT,NULL); _XfeConfigureWidget(tp->forward_arrow, _XfemRectX(w), _XfeY(tp->backward_arrow) + _XfeHeight(tp->backward_arrow), _XfeWidth(tp->forward_arrow), forward_height); } if (backward_height || forward_height) { _XfeConfigureWidget(tp->clip_area, _XfeX(tp->backward_arrow) + _XfeWidth(tp->backward_arrow) + tp->clip_shadow_thickness + _XfeOrientedSpacing(w), _XfemRectY(w) + tp->clip_shadow_thickness + _XfeOrientedSpacing(w), _XfemRectWidth(w) - _XfeWidth(tp->backward_arrow) - 2 * tp->clip_shadow_thickness - 2 * _XfeOrientedSpacing(w), _XfemRectHeight(w) - 2 * tp->clip_shadow_thickness - 2 * _XfeOrientedSpacing(w)); } } /*----------------------------------------------------------------------*/ static void LayoutToolBar(Widget w) { XfeToolScrollPart * tp = _XfeToolScrollPart(w); if (!_XfeIsAlive(tp->tool_bar)) { return; } /* tp->tool_bar_position = 20; */ if (_XfeOrientedOrientation(w) == XmVERTICAL) { _XfeMoveWidget(tp->tool_bar,0,tp->tool_bar_position); } else { _XfeMoveWidget(tp->tool_bar,tp->tool_bar_position,0); } } /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ /* */ /* XfeToolScroll Public Methods */ /* */ /*----------------------------------------------------------------------*/ /* extern*/ Widget XfeCreateToolScroll(Widget pw,char * name,Arg * av,Cardinal ac) { return XtCreateWidget(name,xfeToolScrollWidgetClass,pw,av,ac); } /*----------------------------------------------------------------------*/