diff options
Diffstat (limited to 'src/Tree.c')
| -rw-r--r-- | src/Tree.c | 293 |
1 files changed, 150 insertions, 143 deletions
@@ -48,35 +48,53 @@ in this Software without prior written authorization from The Open Group. * additional blank space to make the structure of the graph easier to see * as well as to support vertical trees. */ +/* $XFree86: xc/lib/Xaw/Tree.c,v 1.10 2001/12/14 19:54:45 dawes Exp $ */ #include <X11/IntrinsicP.h> #include <X11/StringDefs.h> #include <X11/Xaw/XawInit.h> #include <X11/Xaw/Cardinals.h> #include <X11/Xaw/TreeP.h> +#include "Private.h" #define IsHorizontal(tw) ((tw)->tree.gravity == WestGravity || \ (tw)->tree.gravity == EastGravity) +/* + * Class Methods + */ +static void XawTreeChangeManaged(Widget); +static void XawTreeClassInitialize(void); +static void XawTreeConstraintDestroy(Widget); +static void XawTreeConstraintInitialize(Widget, Widget, ArgList, Cardinal*); +static Boolean XawTreeConstraintSetValues(Widget, Widget, Widget, + ArgList, Cardinal*); +static void XawTreeDestroy(Widget); +static XtGeometryResult XawTreeGeometryManager(Widget, XtWidgetGeometry*, + XtWidgetGeometry*); +static void XawTreeInitialize(Widget, Widget, ArgList, Cardinal*); +static XtGeometryResult XawTreeQueryGeometry(Widget, XtWidgetGeometry*, + XtWidgetGeometry*); +static void XawTreeRedisplay(Widget, XEvent*, Region); +static Boolean XawTreeSetValues(Widget, Widget, Widget, ArgList, Cardinal*); - /* widget class method */ -static void ClassInitialize(); -static void Initialize(); -static void ConstraintInitialize(); -static void ConstraintDestroy(); -static Boolean ConstraintSetValues(); -static void Destroy(); -static Boolean SetValues(); -static XtGeometryResult GeometryManager(); -static void ChangeManaged(); -static void Redisplay(); -static XtGeometryResult QueryGeometry(); - - /* utility routines */ -static void insert_node(); -static void delete_node(); -static void layout_tree(); +/* + * Prototypes + */ +static void arrange_subtree(TreeWidget, Widget, int, int, int); +static void check_gravity(TreeWidget, XtGravity); +static void compute_bounding_box_subtree(TreeWidget, Widget, int); +static void delete_node(Widget, Widget); +static GC get_tree_gc(TreeWidget); +static void initialize_dimensions(Dimension**, int*, int); +static void insert_node(Widget, Widget); +static void layout_tree(TreeWidget, Bool); +static void set_positions(TreeWidget, Widget, int); +static void set_tree_size(TreeWidget, Bool, unsigned int, unsigned int); +/* + * Initialization + */ /* * resources of the tree itself @@ -97,6 +115,11 @@ static XtResource resources[] = { { XtNgravity, XtCGravity, XtRGravity, sizeof (XtGravity), XtOffsetOf(TreeRec, tree.gravity), XtRImmediate, (XtPointer) WestGravity }, +#ifndef OLDXAW + { XawNdisplayList, XawCDisplayList, XawRDisplayList, sizeof(XawDisplayList*), + XtOffsetOf(TreeRec, tree.display_list), XtRImmediate, + NULL }, +#endif }; @@ -117,10 +140,10 @@ TreeClassRec treeClassRec = { (WidgetClass) &constraintClassRec, /* superclass */ "Tree", /* class_name */ sizeof(TreeRec), /* widget_size */ - ClassInitialize, /* class_init */ + XawTreeClassInitialize, /* class_init */ NULL, /* class_part_init */ FALSE, /* class_inited */ - Initialize, /* initialize */ + XawTreeInitialize, /* initialize */ NULL, /* initialize_hook */ XtInheritRealize, /* realize */ NULL, /* actions */ @@ -132,10 +155,10 @@ TreeClassRec treeClassRec = { TRUE, /* compress_exposure */ TRUE, /* compress_enterleave*/ TRUE, /* visible_interest */ - Destroy, /* destroy */ + XawTreeDestroy, /* destroy */ NULL, /* resize */ - Redisplay, /* expose */ - SetValues, /* set_values */ + XawTreeRedisplay, /* expose */ + XawTreeSetValues, /* set_values */ NULL, /* set_values_hook */ XtInheritSetValuesAlmost, /* set_values_almost */ NULL, /* get_values_hook */ @@ -143,14 +166,14 @@ TreeClassRec treeClassRec = { XtVersion, /* version */ NULL, /* callback_private */ NULL, /* tm_table */ - QueryGeometry, /* query_geometry */ + XawTreeQueryGeometry, /* query_geometry */ NULL, /* display_accelerator*/ NULL, /* extension */ }, { /* composite_class fields */ - GeometryManager, /* geometry_manager */ - ChangeManaged, /* change_managed */ + XawTreeGeometryManager, /* geometry_manager */ + XawTreeChangeManaged, /* change_managed */ XtInheritInsertChild, /* insert_child */ XtInheritDeleteChild, /* delete_child */ NULL, /* extension */ @@ -160,9 +183,9 @@ TreeClassRec treeClassRec = { treeConstraintResources, /* subresources */ XtNumber(treeConstraintResources), /* subresource_count */ sizeof(TreeConstraintsRec), /* constraint_size */ - ConstraintInitialize, /* initialize */ - ConstraintDestroy, /* destroy */ - ConstraintSetValues, /* set_values */ + XawTreeConstraintInitialize, /* initialize */ + XawTreeConstraintDestroy, /* destroy */ + XawTreeConstraintSetValues, /* set_values */ NULL, /* extension */ }, { @@ -180,10 +203,8 @@ WidgetClass treeWidgetClass = (WidgetClass) &treeClassRec; * * *****************************************************************************/ -static void initialize_dimensions (listp, sizep, n) - Dimension **listp; - int *sizep; - int n; +static void +initialize_dimensions(Dimension **listp, int *sizep, int n) { int i; Dimension *l; @@ -207,8 +228,8 @@ static void initialize_dimensions (listp, sizep, n) return; } -static GC get_tree_gc (w) - TreeWidget w; +static GC +get_tree_gc(TreeWidget w) { XtGCMask valuemask = GCBackground | GCForeground; XGCValues values; @@ -223,8 +244,8 @@ static GC get_tree_gc (w) return XtGetGC ((Widget) w, valuemask, &values); } -static void insert_node (parent, node) - Widget parent, node; +static void +insert_node(Widget parent, Widget node) { TreeConstraints pc; TreeConstraints nc = TREE_CONSTRAINT(node); @@ -257,8 +278,8 @@ static void insert_node (parent, node) pc->tree.n_children++; } -static void delete_node (parent, node) - Widget parent, node; +static void +delete_node(Widget parent, Widget node) { TreeConstraints pc; int pos, i; @@ -293,9 +314,8 @@ static void delete_node (parent, node) pc->tree.children[pc->tree.n_children]=0; } -static void check_gravity (tw, grav) - TreeWidget tw; - XtGravity grav; +static void +check_gravity(TreeWidget tw, XtGravity grav) { switch (tw->tree.gravity) { case WestGravity: case NorthGravity: case EastGravity: case SouthGravity: @@ -313,80 +333,80 @@ static void check_gravity (tw, grav) * * *****************************************************************************/ -static void ClassInitialize () +static void +XawTreeClassInitialize(void) { XawInitializeWidgetSet(); - XtAddConverter (XtRString, XtRGravity, XmuCvtStringToGravity, - (XtConvertArgList) NULL, (Cardinal) 0); + XtAddConverter(XtRString, XtRGravity, XmuCvtStringToGravity, NULL, 0); + XtSetTypeConverter(XtRGravity, XtRString, XmuCvtGravityToString, + NULL, 0, XtCacheNone, NULL); } /*ARGSUSED*/ -static void Initialize (grequest, gnew, args, num_args) - Widget grequest, gnew; - ArgList args; - Cardinal *num_args; +static void +XawTreeInitialize(Widget grequest, Widget gnew, + ArgList args, Cardinal *num_args) { - TreeWidget request = (TreeWidget) grequest, new = (TreeWidget) gnew; + TreeWidget request = (TreeWidget) grequest, cnew = (TreeWidget) gnew; Arg arglist[2]; /* * Make sure the widget's width and height are * greater than zero. */ - if (request->core.width <= 0) new->core.width = 5; - if (request->core.height <= 0) new->core.height = 5; + if (request->core.width <= 0) cnew->core.width = 5; + if (request->core.height <= 0) cnew->core.height = 5; /* * Set the padding according to the orientation */ if (request->tree.hpad == 0 && request->tree.vpad == 0) { if (IsHorizontal (request)) { - new->tree.hpad = TREE_HORIZONTAL_DEFAULT_SPACING; - new->tree.vpad = TREE_VERTICAL_DEFAULT_SPACING; + cnew->tree.hpad = TREE_HORIZONTAL_DEFAULT_SPACING; + cnew->tree.vpad = TREE_VERTICAL_DEFAULT_SPACING; } else { - new->tree.hpad = TREE_VERTICAL_DEFAULT_SPACING; - new->tree.vpad = TREE_HORIZONTAL_DEFAULT_SPACING; + cnew->tree.hpad = TREE_VERTICAL_DEFAULT_SPACING; + cnew->tree.vpad = TREE_HORIZONTAL_DEFAULT_SPACING; } } /* * Create a graphics context for the connecting lines. */ - new->tree.gc = get_tree_gc (new); + cnew->tree.gc = get_tree_gc (cnew); /* * Create the hidden root widget. */ - new->tree.tree_root = (Widget) NULL; + cnew->tree.tree_root = (Widget) NULL; XtSetArg(arglist[0], XtNwidth, 1); XtSetArg(arglist[1], XtNheight, 1); - new->tree.tree_root = XtCreateWidget ("root", widgetClass, gnew, + cnew->tree.tree_root = XtCreateWidget ("root", widgetClass, gnew, arglist,TWO); /* * Allocate the array used to hold the widest values per depth */ - new->tree.largest = NULL; - new->tree.n_largest = 0; - initialize_dimensions (&new->tree.largest, &new->tree.n_largest, + cnew->tree.largest = NULL; + cnew->tree.n_largest = 0; + initialize_dimensions (&cnew->tree.largest, &cnew->tree.n_largest, TREE_INITIAL_DEPTH); /* * make sure that our gravity is one of the acceptable values */ - check_gravity (new, WestGravity); + check_gravity (cnew, WestGravity); } /* ARGSUSED */ -static void ConstraintInitialize (request, new, args, num_args) - Widget request, new; - ArgList args; - Cardinal *num_args; +static void +XawTreeConstraintInitialize(Widget request, Widget cnew, + ArgList args, Cardinal *num_args) { - TreeConstraints tc = TREE_CONSTRAINT(new); - TreeWidget tw = (TreeWidget) new->core.parent; + TreeConstraints tc = TREE_CONSTRAINT(cnew); + TreeWidget tw = (TreeWidget) cnew->core.parent; /* * Initialize the widget to have no sub-nodes. @@ -405,30 +425,29 @@ static void ConstraintInitialize (request, new, args, num_args) * the tree_root widget. */ if (tc->tree.parent) - insert_node (tc->tree.parent, new); + insert_node (tc->tree.parent, cnew); else if (tw->tree.tree_root) - insert_node (tw->tree.tree_root, new); + insert_node (tw->tree.tree_root, cnew); } /* ARGSUSED */ -static Boolean SetValues (gcurrent, grequest, gnew, args, num_args) - Widget gcurrent, grequest, gnew; - ArgList args; - Cardinal *num_args; +static Boolean +XawTreeSetValues(Widget gcurrent, Widget grequest, Widget gnew, + ArgList args, Cardinal *num_args) { - TreeWidget current = (TreeWidget) gcurrent, new = (TreeWidget) gnew; + TreeWidget current = (TreeWidget) gcurrent, cnew = (TreeWidget) gnew; Boolean redraw = FALSE; /* * If the foreground color has changed, redo the GC's * and indicate a redraw. */ - if (new->tree.foreground != current->tree.foreground || - new->core.background_pixel != current->core.background_pixel || - new->tree.line_width != current->tree.line_width) { - XtReleaseGC (gnew, new->tree.gc); - new->tree.gc = get_tree_gc (new); + if (cnew->tree.foreground != current->tree.foreground || + cnew->core.background_pixel != current->core.background_pixel || + cnew->tree.line_width != current->tree.line_width) { + XtReleaseGC (gnew, cnew->tree.gc); + cnew->tree.gc = get_tree_gc (cnew); redraw = TRUE; } @@ -437,22 +456,22 @@ static Boolean SetValues (gcurrent, grequest, gnew, args, num_args) * tree layout. layout_tree() does a redraw, so we don't * need SetValues to do another one. */ - if (new->tree.gravity != current->tree.gravity) { - check_gravity (new, current->tree.gravity); + if (cnew->tree.gravity != current->tree.gravity) { + check_gravity (cnew, current->tree.gravity); } - if (IsHorizontal(new) != IsHorizontal(current)) { - if (new->tree.vpad == current->tree.vpad && - new->tree.hpad == current->tree.hpad) { - new->tree.vpad = current->tree.hpad; - new->tree.hpad = current->tree.vpad; + if (IsHorizontal(cnew) != IsHorizontal(current)) { + if (cnew->tree.vpad == current->tree.vpad && + cnew->tree.hpad == current->tree.hpad) { + cnew->tree.vpad = current->tree.hpad; + cnew->tree.hpad = current->tree.vpad; } } - if (new->tree.vpad != current->tree.vpad || - new->tree.hpad != current->tree.hpad || - new->tree.gravity != current->tree.gravity) { - layout_tree (new, TRUE); + if (cnew->tree.vpad != current->tree.vpad || + cnew->tree.hpad != current->tree.hpad || + cnew->tree.gravity != current->tree.gravity) { + layout_tree (cnew, TRUE); redraw = FALSE; } return redraw; @@ -460,14 +479,13 @@ static Boolean SetValues (gcurrent, grequest, gnew, args, num_args) /* ARGSUSED */ -static Boolean ConstraintSetValues (current, request, new, args, num_args) - Widget current, request, new; - ArgList args; - Cardinal *num_args; +static Boolean +XawTreeConstraintSetValues(Widget current, Widget request, Widget cnew, + ArgList args, Cardinal *num_args) { - TreeConstraints newc = TREE_CONSTRAINT(new); + TreeConstraints newc = TREE_CONSTRAINT(cnew); TreeConstraints curc = TREE_CONSTRAINT(current); - TreeWidget tw = (TreeWidget) new->core.parent; + TreeWidget tw = (TreeWidget) cnew->core.parent; /* * If the parent field has changed, remove the widget @@ -476,9 +494,9 @@ static Boolean ConstraintSetValues (current, request, new, args, num_args) */ if (curc->tree.parent != newc->tree.parent){ if (curc->tree.parent) - delete_node (curc->tree.parent, new); + delete_node (curc->tree.parent, cnew); if (newc->tree.parent) - insert_node(newc->tree.parent, new); + insert_node(newc->tree.parent, cnew); /* * If the Tree widget has been realized, @@ -491,8 +509,8 @@ static Boolean ConstraintSetValues (current, request, new, args, num_args) } -static void ConstraintDestroy (w) - Widget w; +static void +XawTreeConstraintDestroy(Widget w) { TreeConstraints tc = TREE_CONSTRAINT(w); TreeWidget tw = (TreeWidget) XtParent(w); @@ -518,10 +536,9 @@ static void ConstraintDestroy (w) } /* ARGSUSED */ -static XtGeometryResult GeometryManager (w, request, reply) - Widget w; - XtWidgetGeometry *request; - XtWidgetGeometry *reply; +static XtGeometryResult +XawTreeGeometryManager(Widget w, XtWidgetGeometry *request, + XtWidgetGeometry *reply) { TreeWidget tw = (TreeWidget) w->core.parent; @@ -548,15 +565,15 @@ static XtGeometryResult GeometryManager (w, request, reply) return (XtGeometryYes); } -static void ChangeManaged (gw) - Widget gw; +static void +XawTreeChangeManaged(Widget gw) { layout_tree ((TreeWidget) gw, FALSE); } -static void Destroy (gw) - Widget gw; +static void +XawTreeDestroy(Widget gw) { TreeWidget w = (TreeWidget) gw; @@ -566,18 +583,22 @@ static void Destroy (gw) /* ARGSUSED */ -static void Redisplay (gw, event, region) - Widget gw; - XEvent *event; - Region region; +static void +XawTreeRedisplay(Widget gw, XEvent *event, Region region) { TreeWidget tw = (TreeWidget) gw; +#ifndef OLDXAW + if (tw->tree.display_list) + XawRunDisplayList(gw, tw->tree.display_list, event, region); +#endif + /* * If the Tree widget is visible, visit each managed child. */ if (tw->core.visible) { - int i, j; + Cardinal i; + int j; Display *dpy = XtDisplay (tw); Window w = XtWindow (tw); @@ -663,9 +684,9 @@ static void Redisplay (gw, event, region) } } -static XtGeometryResult QueryGeometry (w, intended, preferred) - Widget w; - XtWidgetGeometry *intended, *preferred; +static XtGeometryResult +XawTreeQueryGeometry(Widget w, XtWidgetGeometry *intended, + XtWidgetGeometry *preferred) { TreeWidget tw = (TreeWidget) w; @@ -697,10 +718,8 @@ static XtGeometryResult QueryGeometry (w, intended, preferred) * * *****************************************************************************/ -static void compute_bounding_box_subtree (tree, w, depth) - TreeWidget tree; - Widget w; - int depth; +static void +compute_bounding_box_subtree(TreeWidget tree, Widget w, int depth) { TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */ int i; @@ -770,10 +789,8 @@ static void compute_bounding_box_subtree (tree, w, depth) } -static void set_positions (tw, w, level) - TreeWidget tw; - Widget w; - int level; +static void +set_positions(TreeWidget tw, Widget w, int level) { int i; @@ -811,11 +828,8 @@ static void set_positions (tw, w, level) } -static void arrange_subtree (tree, w, depth, x, y) - TreeWidget tree; - Widget w; - int depth; - Position x, y; +static void +arrange_subtree(TreeWidget tree, Widget w, int depth, int x, int y) { TreeConstraints tc = TREE_CONSTRAINT(w); /* info attached to all kids */ TreeConstraints firstcc, lastcc; @@ -918,10 +932,9 @@ static void arrange_subtree (tree, w, depth, x, y) } } -static void set_tree_size (tw, insetvalues, width, height) - TreeWidget tw; - Boolean insetvalues; - Dimension width, height; +static void +set_tree_size(TreeWidget tw, Bool insetvalues, + unsigned int width, unsigned int height) { if (insetvalues) { tw->core.width = width; @@ -942,9 +955,8 @@ static void set_tree_size (tw, insetvalues, width, height) return; } -static void layout_tree (tw, insetvalues) - TreeWidget tw; - Boolean insetvalues; +static void +layout_tree(TreeWidget tw, Bool insetvalues) { int i; Dimension *dp; @@ -995,12 +1007,7 @@ static void layout_tree (tw, insetvalues) *****************************************************************************/ void -#if NeedFunctionPrototypes -XawTreeForceLayout (Widget tree) -#else -XawTreeForceLayout (tree) - Widget tree; -#endif +XawTreeForceLayout(Widget tree) { layout_tree ((TreeWidget) tree, FALSE); } |