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-rw-r--r--tkblt/generic/tkbltGrLegdOp.C496
1 files changed, 496 insertions, 0 deletions
diff --git a/tkblt/generic/tkbltGrLegdOp.C b/tkblt/generic/tkbltGrLegdOp.C
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+++ b/tkblt/generic/tkbltGrLegdOp.C
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+/*
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * This code has been modified under the terms listed below and is made
+ * available under the same terms.
+ */
+
+/*
+ * Copyright 1993-2004 George A Howlett.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <tk.h>
+#include <tkInt.h>
+
+#include "tkbltGrBind.h"
+#include "tkbltGraph.h"
+#include "tkbltGrLegd.h"
+#include "tkbltGrLegdOp.h"
+#include "tkbltGrElem.h"
+
+using namespace Blt;
+
+static Tk_LostSelProc LostSelectionProc;
+
+static int LegendObjConfigure(Graph* graphPtr, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Legend* legendPtr = graphPtr->legend_;
+ Tk_SavedOptions savedOptions;
+ int mask =0;
+ int error;
+ Tcl_Obj* errorResult;
+
+ for (error=0; error<=1; error++) {
+ if (!error) {
+ if (Tk_SetOptions(interp, (char*)legendPtr->ops(),
+ legendPtr->optionTable(),
+ objc, objv, graphPtr->tkwin_, &savedOptions, &mask)
+ != TCL_OK)
+ continue;
+ }
+ else {
+ errorResult = Tcl_GetObjResult(interp);
+ Tcl_IncrRefCount(errorResult);
+ Tk_RestoreSavedOptions(&savedOptions);
+ }
+
+ if (legendPtr->configure() != TCL_OK)
+ return TCL_ERROR;
+ graphPtr->flags |= mask;
+ graphPtr->eventuallyRedraw();
+
+ break;
+ }
+
+ if (!error) {
+ Tk_FreeSavedOptions(&savedOptions);
+ return TCL_OK;
+ }
+ else {
+ Tcl_SetObjResult(interp, errorResult);
+ Tcl_DecrRefCount(errorResult);
+ return TCL_ERROR;
+ }
+}
+
+static int CgetOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ if (objc != 4) {
+ Tcl_WrongNumArgs(interp, 2, objv, "cget option");
+ return TCL_ERROR;
+ }
+
+ Legend* legendPtr = graphPtr->legend_;
+ Tcl_Obj* objPtr = Tk_GetOptionValue(interp,
+ (char*)legendPtr->ops(),
+ legendPtr->optionTable(),
+ objv[3], graphPtr->tkwin_);
+ if (objPtr == NULL)
+ return TCL_ERROR;
+ else
+ Tcl_SetObjResult(interp, objPtr);
+ return TCL_OK;
+}
+
+static int ConfigureOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ if (objc <= 4) {
+ Tcl_Obj* objPtr = Tk_GetOptionInfo(interp, (char*)legendPtr->ops(),
+ legendPtr->optionTable(),
+ (objc == 4) ? objv[3] : NULL,
+ graphPtr->tkwin_);
+ if (objPtr == NULL)
+ return TCL_ERROR;
+ else
+ Tcl_SetObjResult(interp, objPtr);
+ return TCL_OK;
+ }
+ else
+ return LegendObjConfigure(graphPtr, interp, objc-3, objv+3);
+}
+
+static int ActivateOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ LegendOptions* ops = (LegendOptions*)legendPtr->ops();
+
+ const char *string = Tcl_GetString(objv[2]);
+ int active = (string[0] == 'a') ? 1 : 0;
+ int redraw = 0;
+ for (int ii=3; ii<objc; ii++) {
+
+ const char* pattern = Tcl_GetString(objv[ii]);
+ for (ChainLink* link = Chain_FirstLink(graphPtr->elements_.displayList);
+ link; link = Chain_NextLink(link)) {
+ Element* elemPtr = (Element*)Chain_GetValue(link);
+ if (Tcl_StringMatch(elemPtr->name_, pattern)) {
+ if (active) {
+ if (!elemPtr->labelActive_) {
+ elemPtr->labelActive_ =1;
+ redraw = 1;
+ }
+ }
+ else {
+ if (elemPtr->labelActive_) {
+ elemPtr->labelActive_ =0;
+ redraw = 1;
+ }
+ }
+ }
+ }
+ }
+
+ if (redraw && !ops->hide) {
+ graphPtr->flags |= LAYOUT;
+ graphPtr->eventuallyRedraw();
+ }
+
+ // List active elements in stacking order
+ Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL);
+ for (ChainLink* link = Chain_FirstLink(graphPtr->elements_.displayList);
+ link; link = Chain_NextLink(link)) {
+ Element* elemPtr = (Element*)Chain_GetValue(link);
+ if (elemPtr->labelActive_) {
+ Tcl_Obj *objPtr = Tcl_NewStringObj(elemPtr->name_, -1);
+ Tcl_ListObjAppendElement(interp, listObjPtr, objPtr);
+ }
+ }
+ Tcl_SetObjResult(interp, listObjPtr);
+
+ return TCL_OK;
+}
+
+static int BindOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+
+ if (objc == 3) {
+ Tcl_Obj* listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL);
+ Tcl_HashSearch iter;
+ for (Tcl_HashEntry* hPtr=Tcl_FirstHashEntry(&graphPtr->elements_.tagTable, &iter); hPtr; hPtr = Tcl_NextHashEntry(&iter)) {
+ char* tagName =
+ (char*)Tcl_GetHashKey(&graphPtr->elements_.tagTable, hPtr);
+ Tcl_Obj *objPtr = Tcl_NewStringObj(tagName, -1);
+ Tcl_ListObjAppendElement(interp, listObjPtr, objPtr);
+ }
+
+ Tcl_SetObjResult(interp, listObjPtr);
+ return TCL_OK;
+ }
+
+ return graphPtr->legend_->bindTable_->configure(graphPtr->elementTag(Tcl_GetString(objv[3])), objc - 4, objv + 4);
+}
+
+static int CurselectionOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL);
+ if (legendPtr->flags & SELECT_SORTED) {
+ for (ChainLink* link = Chain_FirstLink(legendPtr->selected_); link;
+ link = Chain_NextLink(link)) {
+ Element* elemPtr = (Element*)Chain_GetValue(link);
+ Tcl_Obj *objPtr = Tcl_NewStringObj(elemPtr->name_, -1);
+ Tcl_ListObjAppendElement(interp, listObjPtr, objPtr);
+ }
+ }
+ else {
+ // List of selected entries is in stacking order
+ for (ChainLink* link = Chain_FirstLink(graphPtr->elements_.displayList);
+ link; link = Chain_NextLink(link)) {
+ Element* elemPtr = (Element*)Chain_GetValue(link);
+
+ if (legendPtr->entryIsSelected(elemPtr)) {
+ Tcl_Obj *objPtr = Tcl_NewStringObj(elemPtr->name_, -1);
+ Tcl_ListObjAppendElement(interp, listObjPtr, objPtr);
+ }
+ }
+ }
+ Tcl_SetObjResult(interp, listObjPtr);
+ return TCL_OK;
+}
+
+static int FocusOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+
+ legendPtr->focusPtr_ = NULL;
+ if (objc == 4) {
+ Element* elemPtr;
+ if (legendPtr->getElementFromObj(objv[3], &elemPtr) != TCL_OK)
+ return TCL_ERROR;
+
+ if (elemPtr) {
+ legendPtr->focusPtr_ = elemPtr;
+
+ legendPtr->bindTable_->focusItem_ = (ClientData)elemPtr;
+ legendPtr->bindTable_->focusContext_ = elemPtr->classId();
+ }
+ }
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+
+ if (legendPtr->focusPtr_)
+ Tcl_SetStringObj(Tcl_GetObjResult(interp),legendPtr->focusPtr_->name_,-1);
+
+ return TCL_OK;
+}
+
+static int GetOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ if (objc<3)
+ return TCL_ERROR;
+
+ Legend* legendPtr = graphPtr->legend_;
+ LegendOptions* ops = (LegendOptions*)legendPtr->ops();
+
+ if (((ops->hide) == 0) && (legendPtr->nEntries_ > 0)) {
+ Element* elemPtr;
+
+ if (legendPtr->getElementFromObj(objv[3], &elemPtr) != TCL_OK)
+ return TCL_ERROR;
+
+ if (elemPtr)
+ Tcl_SetStringObj(Tcl_GetObjResult(interp), elemPtr->name_, -1);
+ }
+ return TCL_OK;
+}
+
+const Ensemble Blt::legendEnsemble[] = {
+ {"activate", ActivateOp, 0},
+ {"bind", BindOp, 0},
+ {"cget", CgetOp, 0},
+ {"configure", ConfigureOp, 0},
+ {"curselection", CurselectionOp, 0},
+ {"deactivate", ActivateOp, 0},
+ {"focus", FocusOp, 0},
+ {"get", GetOp, 0},
+ {"selection", 0, selectionEnsemble},
+ { 0,0,0 }
+};
+
+// Selection Ops
+
+static int SelectionAnchorOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ Element* elemPtr;
+
+ if (legendPtr->getElementFromObj(objv[4], &elemPtr) != TCL_OK)
+ return TCL_ERROR;
+
+ // Set both the anchor and the mark. Indicates that a single entry
+ // is selected
+ legendPtr->selAnchorPtr_ = elemPtr;
+ legendPtr->selMarkPtr_ = NULL;
+ if (elemPtr)
+ Tcl_SetStringObj(Tcl_GetObjResult(interp), elemPtr->name_, -1);
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+
+ return TCL_OK;
+}
+
+static int SelectionClearallOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ legendPtr->clearSelection();
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+
+ return TCL_OK;
+}
+
+static int SelectionIncludesOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ Element* elemPtr;
+ if (legendPtr->getElementFromObj(objv[4], &elemPtr) != TCL_OK)
+ return TCL_ERROR;
+
+ int boo = legendPtr->entryIsSelected(elemPtr);
+ Tcl_SetBooleanObj(Tcl_GetObjResult(interp), boo);
+ return TCL_OK;
+}
+
+static int SelectionMarkOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ LegendOptions* ops = (LegendOptions*)legendPtr->ops();
+ Element* elemPtr;
+
+ if (legendPtr->getElementFromObj(objv[4], &elemPtr) != TCL_OK)
+ return TCL_ERROR;
+
+ if (legendPtr->selAnchorPtr_ == NULL) {
+ Tcl_AppendResult(interp, "selection anchor must be set first", NULL);
+ return TCL_ERROR;
+ }
+
+ if (legendPtr->selMarkPtr_ != elemPtr) {
+ // Deselect entry from the list all the way back to the anchor
+ ChainLink *link, *next;
+ for (link = Chain_LastLink(legendPtr->selected_); link; link = next) {
+ next = Chain_PrevLink(link);
+ Element *selectPtr = (Element*)Chain_GetValue(link);
+ if (selectPtr == legendPtr->selAnchorPtr_)
+ break;
+
+ legendPtr->deselectElement(selectPtr);
+ }
+
+ legendPtr->flags &= ~SELECT_TOGGLE;
+ legendPtr->flags |= SELECT_SET;
+ legendPtr->selectRange(legendPtr->selAnchorPtr_, elemPtr);
+ Tcl_SetStringObj(Tcl_GetObjResult(interp), elemPtr->name_, -1);
+ legendPtr->selMarkPtr_ = elemPtr;
+
+ if (ops->selectCmd)
+ legendPtr->eventuallyInvokeSelectCmd();
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+ }
+ return TCL_OK;
+}
+
+static int SelectionPresentOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ int boo = (Chain_GetLength(legendPtr->selected_) > 0);
+ Tcl_SetBooleanObj(Tcl_GetObjResult(interp), boo);
+ return TCL_OK;
+}
+
+static int SelectionSetOp(ClientData clientData, Tcl_Interp* interp,
+ int objc, Tcl_Obj* const objv[])
+{
+ Graph* graphPtr = (Graph*)clientData;
+ Legend* legendPtr = graphPtr->legend_;
+ LegendOptions* ops = (LegendOptions*)legendPtr->ops();
+
+ legendPtr->flags &= ~SELECT_TOGGLE;
+ const char* string = Tcl_GetString(objv[3]);
+ switch (string[0]) {
+ case 's':
+ legendPtr->flags |= SELECT_SET;
+ break;
+ case 'c':
+ legendPtr->flags |= SELECT_CLEAR;
+ break;
+ case 't':
+ legendPtr->flags |= SELECT_TOGGLE;
+ break;
+ }
+
+ Element *firstPtr;
+ if (legendPtr->getElementFromObj(objv[4], &firstPtr) != TCL_OK)
+ return TCL_ERROR;
+ ElementOptions* eops = (ElementOptions*)firstPtr->ops();
+
+ if ((eops->hide) && ((legendPtr->flags & SELECT_CLEAR)==0)) {
+ Tcl_AppendResult(interp, "can't select hidden node \"",
+ Tcl_GetString(objv[4]), "\"", (char *)NULL);
+ return TCL_ERROR;
+ }
+
+ Element* lastPtr = firstPtr;
+ if (objc > 5) {
+ if (legendPtr->getElementFromObj(objv[5], &lastPtr) != TCL_OK)
+ return TCL_ERROR;
+ ElementOptions* eops = (ElementOptions*)firstPtr->ops();
+
+ if (eops->hide && ((legendPtr->flags & SELECT_CLEAR) == 0)) {
+ Tcl_AppendResult(interp, "can't select hidden node \"",
+ Tcl_GetString(objv[5]), "\"", (char *)NULL);
+ return TCL_ERROR;
+ }
+ }
+
+ if (firstPtr == lastPtr)
+ legendPtr->selectEntry(firstPtr);
+ else
+ legendPtr->selectRange(firstPtr, lastPtr);
+
+ // Set both the anchor and the mark. Indicates that a single entry is
+ // selected
+ if (legendPtr->selAnchorPtr_ == NULL)
+ legendPtr->selAnchorPtr_ = firstPtr;
+
+ if (ops->exportSelection)
+ Tk_OwnSelection(graphPtr->tkwin_, XA_PRIMARY, LostSelectionProc, legendPtr);
+
+ if (ops->selectCmd)
+ legendPtr->eventuallyInvokeSelectCmd();
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+
+ return TCL_OK;
+}
+
+const Ensemble Blt::selectionEnsemble[] = {
+ {"anchor", SelectionAnchorOp, 0},
+ {"clear", SelectionSetOp, 0},
+ {"clearall", SelectionClearallOp, 0},
+ {"includes", SelectionIncludesOp, 0},
+ {"mark", SelectionMarkOp, 0},
+ {"present", SelectionPresentOp, 0},
+ {"set", SelectionSetOp, 0},
+ {"toggle", SelectionSetOp, 0},
+ { 0,0,0 }
+};
+
+// Support
+
+static void LostSelectionProc(ClientData clientData)
+{
+ Legend* legendPtr = (Legend*)clientData;
+ LegendOptions* ops = (LegendOptions*)legendPtr->ops();
+ Graph* graphPtr = legendPtr->graphPtr_;
+
+ if (ops->exportSelection)
+ legendPtr->clearSelection();
+
+ graphPtr->flags |= CACHE;
+ graphPtr->eventuallyRedraw();
+}
+
+
+
+
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