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XYPlotWin.cpp
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// ---------------------------------------------------------------
// XYPlotWin.cpp
// ---------------------------------------------------------------
#include <Xm/AtomMgr.h>
#include <Xm/Protocols.h>
#include <Xm/Form.h>
#include <Xm/RowColumn.h>
#include <Xm/CascadeB.h>
#include <Xm/PushBG.h>
#include <Xm/PushB.h>
#include <Xm/CascadeBG.h>
#include <Xm/Frame.h>
#include <Xm/ScrolledW.h>
#include <Xm/DrawingA.h>
#include <Xm/Text.h>
#include <Xm/DialogS.h>
#include <Xm/LabelG.h>
#include <Xm/ToggleBG.h>
#include <Xm/ToggleB.h>
#include <Xm/FileSB.h>
#include <Xm/MessageB.h>
#include <X11/Xos.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include "XYPlotWin.H"
#include "PltApp.H"
#include "PltAppState.H"
#include "GraphicsAttributes.H"
#include <iostream>
#include <iomanip>
using std::setw;
using std::cout;
using std::cerr;
using std::endl;
using std::min;
using std::max;
#define MARK (fprintf(stderr, "Mark at file %s, line %d.\n", __FILE__, __LINE__))
// Hack fix for compiler bug for window manager calls
#ifndef FALSE
#define FALSE false
#endif
// Bitmap data for various data mark styles
static char markBits[8][8] = {
{0x00, 0x00, 0x1c, 0x1c, 0x1c, 0x00, 0x00, 0x00},
{0x00, 0x3e, 0x22, 0x22, 0x22, 0x3e, 0x00, 0x00},
{0x00, 0x1c, 0x36, 0x22, 0x36, 0x1c, 0x00, 0x00},
{0x00, 0x22, 0x14, 0x08, 0x14, 0x22, 0x00, 0x00},
{0x00, 0x08, 0x14, 0x22, 0x14, 0x08, 0x00, 0x00},
{0x00, 0x1c, 0x14, 0x1c, 0x14, 0x1c, 0x00, 0x00},
{0x00, 0x1c, 0x2a, 0x36, 0x2a, 0x1c, 0x00, 0x00},
{0x00, 0x3e, 0x1c, 0x08, 0x1c, 0x3e, 0x00, 0x00}};
static param_style param_null_style = {STYLE, 0, (char *) 0};
#include <cctype>
#include <strstream>
using std::ostrstream;
using std::ends;
using std::endl;
// Some macros for obtaining parameters.
#define PM_INT(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.intv.value : (BL_ASSERT(0), (int) 0))
#define PM_STR(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.strv.value : (BL_ASSERT(0), (char *) 0))
#define PM_COLOR(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.pixv.value : (BL_ASSERT(0), param_null_color))
#define PM_PIXEL(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.pixv.value.pixel : (BL_ASSERT(0), (Pixel) 0))
#define PM_FONT(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.fontv.value : (BL_ASSERT(0), (XFontStruct *) 0))
#define PM_STYLE(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.stylev : (BL_ASSERT(0), param_null_style))
#define PM_BOOL(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.boolv.value : (BL_ASSERT(0), 0))
#define PM_DBL(name) ((parameters->Get_Parameter(name, ¶m_temp)) ? \
param_temp.dblv.value : (BL_ASSERT(0), 0.0))
// -------------------------------------------------------------------
XYPlotWin::~XYPlotWin() {
if(pltParent->GetXYPlotWin(whichType) == this) {
pltParent->DetachXYPlotWin(whichType);
}
CBdoClearData(None, NULL, NULL);
if(wOptionsDialog != None) {
XtDestroyWidget(wOptionsDialog);
}
if(wExportFileDialog != None) {
XtDestroyWidget(wExportFileDialog);
}
XtDestroyWidget(wXYPlotTopLevel);
delete gaPtr;
delete [] Xsegs[0];
delete [] Xsegs[1];
delete [] XUnitText;
delete [] YUnitText;
delete [] formatY;
delete [] formatX;
delete [] pltTitle;
// delete all the call back parameter structs
int nSize;
for(nSize = 0; nSize < xycbdPtrs.size(); ++nSize) {
delete xycbdPtrs[nSize];
}
for(nSize = 0; nSize < xymenucbdPtrs.size(); ++nSize) {
delete xymenucbdPtrs[nSize];
}
}
// -------------------------------------------------------------------
XYPlotWin::XYPlotWin(char *title, XtAppContext app, Widget w, PltApp *parent,
int type, int curr_frame)
: appContext(app),
wTopLevel(w),
pltParent(parent),
whichType(type),
currFrame(curr_frame)
{
int idx;
char buffer[BUFSIZE];
pltTitle = new char[strlen(title) + 1];
strcpy(pltTitle, title);
params param_temp; // temporary parameter grabbing slot
// Store some local stuff from the parent.
parameters = pltParent->GetXYPlotParameters();
wExportFileDialog = None;
wOptionsDialog = None;
// Standard flags.
zoomedInQ = 0;
saveDefaultQ = 0;
animatingQ = 0;
#if (BL_SPACEDIM == 2)
currFrame = 0;
#endif
// Create empty dataset list.
legendHead = legendTail = NULL;
numDrawnItems = 0;
numItems = 0;
setBoundingBox();
iCurrHint = 1;
WM_DELETE_WINDOW = XmInternAtom(XtDisplay(wTopLevel),
"WM_DELETE_WINDOW", false);
// -------------------------------------------------------- main window
int winOffsetX, winOffsetY;
int winWidth = PM_INT("InitialWindowWidth");
int winHeight = PM_INT("InitialWindowHeight");
if(whichType == XDIR) {
winOffsetX = PM_INT("InitialXWindowOffsetX");
winOffsetY = PM_INT("InitialXWindowOffsetY");
} else if(whichType == YDIR) {
winOffsetX = PM_INT("InitialYWindowOffsetX");
winOffsetY = PM_INT("InitialYWindowOffsetY");
} else {
winOffsetX = PM_INT("InitialZWindowOffsetX");
winOffsetY = PM_INT("InitialZWindowOffsetY");
}
sprintf(buffer, "%s %c Value 1D plot", pltTitle, whichType + 'X');
wXYPlotTopLevel = XtVaCreatePopupShell(buffer, topLevelShellWidgetClass,
wTopLevel,
XmNscrollingPolicy, XmAUTOMATIC,
XmNdeleteResponse, XmDO_NOTHING,
XmNx, winOffsetX,
XmNy, winOffsetY,
NULL);
XmAddWMProtocolCallback(wXYPlotTopLevel, WM_DELETE_WINDOW,
(XtCallbackProc) CBcloseXYPlotWin,
(XtPointer) this);
Widget wControlArea, wScrollArea, wLegendArea,
wExportButton, wOptionsButton, wCloseButton,
wAllButton, wNoneButton, wClearButton;
XmString label_str1, label_str2, label_str3;
wControlArea =
XtVaCreateManagedWidget("controlArea", xmFormWidgetClass,
wXYPlotTopLevel,
NULL);
// -------------------------------------------------------- legend
wLegendArea = XtVaCreateManagedWidget("legendarea", xmFormWidgetClass,
wControlArea,
XmNtopAttachment, XmATTACH_FORM,
XmNbottomAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_FORM,
NULL);
wLegendMenu = XtVaCreateManagedWidget("legendmenu", xmFormWidgetClass,
wLegendArea,
XmNleftAttachment, XmATTACH_FORM,
XmNtopAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_FORM,
NULL);
label_str1 = XmStringCreateSimple("Export");
label_str2 = XmStringCreateSimple("Options");
label_str3 = XmStringCreateSimple("Close");
wExportButton = XtVaCreateManagedWidget("Export", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str1,
XmNleftAttachment, XmATTACH_FORM,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_FORM,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
AddStaticCallback(wExportButton, XmNactivateCallback,
&XYPlotWin::CBdoExportFileDialog, NULL);
wOptionsButton = XtVaCreateManagedWidget("options", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str2,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, wExportButton,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_FORM,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
AddStaticCallback(wOptionsButton, XmNactivateCallback,
&XYPlotWin::CBdoOptions, NULL);
wCloseButton = XtVaCreateManagedWidget("close", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str3,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, wOptionsButton,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_FORM,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
XtAddCallback(wCloseButton, XmNactivateCallback,
(XtCallbackProc) CBcloseXYPlotWin, (XtPointer) this);
XmStringFree(label_str1);
XmStringFree(label_str2);
XmStringFree(label_str3);
label_str1 = XmStringCreateSimple("All");
label_str2 = XmStringCreateSimple("None");
label_str3 = XmStringCreateSimple("Clear");
wAllButton = XtVaCreateManagedWidget("All", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str1,
XmNleftAttachment, XmATTACH_FORM,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, wExportButton,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
AddStaticCallback(wAllButton, XmNactivateCallback,
&XYPlotWin::CBdoSelectAllData, NULL);
wNoneButton = XtVaCreateManagedWidget("None", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str2,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, wAllButton,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, wOptionsButton,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
AddStaticCallback(wNoneButton, XmNactivateCallback,
&XYPlotWin::CBdoDeselectAllData, NULL);
wClearButton = XtVaCreateManagedWidget("Clear", xmPushButtonGadgetClass,
wLegendMenu,
XmNlabelString, label_str3,
XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, wNoneButton,
XmNleftOffset, 2,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, wCloseButton,
XmNtopOffset, 2,
XmNwidth, 60,
NULL);
AddStaticCallback(wClearButton, XmNactivateCallback,
&XYPlotWin::CBdoClearData, NULL);
XmStringFree(label_str1);
XmStringFree(label_str2);
XmStringFree(label_str3);
wScrollArea = XtVaCreateManagedWidget("scrollArea", xmScrolledWindowWidgetClass,
wLegendArea,
XmNleftAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_FORM,
XmNbottomAttachment, XmATTACH_FORM,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopWidget, wLegendMenu,
XmNtopOffset, 2,
XmNscrollingPolicy, XmAUTOMATIC,
NULL);
wLegendButtons = XtVaCreateManagedWidget("legendbuttons", xmFormWidgetClass,
wScrollArea,
NULL);
XtVaSetValues(wScrollArea, XmNworkWindow, wLegendButtons, NULL);
XtManageChild(wLegendMenu);
XtManageChild(wLegendButtons);
XtManageChild(wScrollArea);
XtManageChild(wLegendArea);
// PLOT
wPlotWin = XtVaCreateManagedWidget("plotwin", xmDrawingAreaWidgetClass,
wControlArea,
XmNtopAttachment, XmATTACH_FORM,
XmNbottomAttachment, XmATTACH_FORM,
XmNleftAttachment, XmATTACH_FORM,
XmNrightAttachment, XmATTACH_WIDGET,
XmNrightWidget, wLegendArea,
XmNwidth, winWidth,
XmNheight, winHeight,
NULL);
AddStaticCallback(wPlotWin, XmNexposeCallback,
&XYPlotWin::CBdoDrawPlot, NULL);
AddStaticCallback(wPlotWin, XmNresizeCallback,
&XYPlotWin::CBdoRedrawPlot, NULL);
AddStaticCallback(wPlotWin, XmNinputCallback,
&XYPlotWin::CBdoRubberBanding, NULL);
AddStaticEventHandler(wPlotWin, PointerMotionMask | LeaveWindowMask,
&XYPlotWin::CBdoDrawLocation, NULL);
XtManageChild(wPlotWin);
XtManageChild(wControlArea);
XtPopup(wXYPlotTopLevel, XtGrabNone);
pWindow = XtWindow(wPlotWin);
SetPalette();
gaPtr = new GraphicsAttributes(wXYPlotTopLevel);
disp = gaPtr->PDisplay();
vis = gaPtr->PVisual();
if(vis != XDefaultVisual(disp, gaPtr->PScreenNumber())) {
XtVaSetValues(wXYPlotTopLevel, XmNvisual, vis, XmNdepth, 8, NULL);
}
cursor = XCreateFontCursor(disp, XC_left_ptr);
zoomCursor = XCreateFontCursor(disp, XC_sizing);
XtVaGetValues(wPlotWin,
XmNforeground, &foregroundPix,
XmNbackground, &backgroundPix,
NULL);
gridPix = PM_PIXEL("GridColor");
textPix = PM_PIXEL("TextColor");
labeltextFont = PM_FONT("LabelFont");
titletextFont = PM_FONT("TitleFont");
// gc's for labels and titles, rubber banding, segments, and dots.
XGCValues gcvals;
gcvals.font = labeltextFont->fid;
gcvals.foreground = textPix;
labeltextGC = XCreateGC(disp, pWindow, GCFont | GCForeground, &gcvals);
gcvals.font = titletextFont->fid;
titletextGC = XCreateGC(disp, pWindow, GCFont | GCForeground, &gcvals);
gcvals.function = GXxor;
rbGC = XCreateGC(disp, gaPtr->PRoot(), GCFunction, &gcvals);
segGC = XCreateGC(disp, gaPtr->PRoot(), 0, NULL);
dotGC = XCreateGC(disp, gaPtr->PRoot(), 0, NULL);
// Allocate space for XSegment's
numXsegs = NUM_INIT_XSEGS;
Xsegs[0] = new XSegment[numXsegs];
Xsegs[1] = new XSegment[numXsegs];
// Get parameters and attributes out of parameters database
// and initialize bitmaps for line styles
markQ = PM_BOOL("Markers");
tickQ = PM_BOOL("Ticks");
axisQ = PM_BOOL("TickAxis");
boundBoxQ = PM_BOOL("BoundBox");
plotLinesQ = PM_BOOL("PlotLines");
dispHintsQ = PM_BOOL("DisplayHints");
gridW = PM_INT("GridWidth");
lineW = PM_INT("LineWidth");
dotW = PM_INT("DotWidth");
char *str;
if(whichType == XDIR) {
str = PM_STR("XUnitTextX");
} else if(whichType == YDIR) {
str = PM_STR("XUnitTextY");
} else {
str = PM_STR("XUnitTextZ");
}
XUnitText = new char[strlen(str) + 1];
strcpy(XUnitText, str);
str = PM_STR("YUnitText");
YUnitText = new char[strlen(str) + 1];
strcpy(YUnitText, str);
str = PM_STR("FormatX");
formatX = new char[strlen(str) + 1];
strcpy(formatX, str);
str = PM_STR("FormatY");
formatY = new char[strlen(str) + 1];
strcpy(formatY, str);
gridStyle = PM_STYLE("GridStyle");
for(idx = 0; idx < 8; ++idx) {
sprintf(buffer, "%d.Style", idx);
parameters->Get_Parameter(buffer, ¶m_temp);
AllAttrs[idx].lineStyleLen = param_temp.stylev.len;
strncpy(AllAttrs[idx].lineStyle, param_temp.stylev.dash_list,
param_temp.stylev.len);
AllAttrs[idx].markStyle =
XCreateBitmapFromData(disp, pWindow, markBits[idx], 8, 8);
}
for(idx = 0; idx != 8; ++idx) {
lineFormats[idx] = 0x0;
}
// Set up the device information structure.
devInfo.maxSegs = numXsegs;
devInfo.areaW = devInfo.areaH = 0; // Set later
devInfo.bdrPad = BORDER_PADDING;
devInfo.axisPad = AXIS_PADDING;
devInfo.tickLen = TICKLENGTH;
devInfo.axisW = XTextWidth(labeltextFont, "8", 1);
devInfo.titleW = XTextWidth(titletextFont, "8", 1);
devInfo.axisH = labeltextFont->max_bounds.ascent +
labeltextFont->max_bounds.descent;
devInfo.titleH = titletextFont->max_bounds.ascent +
titletextFont->max_bounds.descent;
xycbdPtrs.reserve(512); // arbitrarily
xymenucbdPtrs.reserve(512); // arbitrarily
}
#if (BL_SPACEDIM == 2)
// -------------------------------------------------------------------
void XYPlotWin::InitializeAnimation(int curr_frame, int num_frames) {
if(animatingQ) {
return;
}
animatingQ = true;
currFrame = curr_frame;
numFrames = num_frames;
for(XYPlotLegendItem *ptr = legendHead; ptr; ptr = ptr->next) {
if(ptr->XYPLIlist->copied_from != NULL) {
XYPlotDataList *tempList = ptr->XYPLIlist;
ptr->XYPLIlist = pltParent->CreateLinePlot(ZPLANE, whichType,
ptr->XYPLIlist->maxLevel,
ptr->XYPLIlist->gridline,
&ptr->XYPLIlist->derived);
delete tempList;
}
ptr->anim_lists = new Array<XYPlotDataList *>(numFrames);
ptr->ready_list = new Array<char>(numFrames, 0);
}
pltParent->GetPltAppState()->GetMinMax((Real &) lloY, (Real &) hhiY);
if( ! zoomedInQ) {
setBoundingBox();
CBdoRedrawPlot(None, NULL, NULL);
}
}
// -------------------------------------------------------------------
void XYPlotWin::UpdateFrame(int frame) {
XYPlotDataList *tempList;
int num_lists_changed(0);
if( ! animatingQ && ! zoomedInQ) {
lloY = DBL_MAX;
hhiY = -DBL_MAX;
}
for(XYPlotLegendItem *ptr = legendHead; ptr; ptr = ptr->next) {
if(ptr->drawQ) {
++num_lists_changed;
}
if(animatingQ) {
(*ptr->anim_lists)[currFrame] = ptr->XYPLIlist;
(*ptr->ready_list)[currFrame] = 1;
if((*ptr->ready_list)[frame]) {
ptr->XYPLIlist = (*ptr->anim_lists)[frame];
continue;
}
} else {
tempList = ptr->XYPLIlist;
}
int level(ptr->XYPLIlist->curLevel);
ptr->XYPLIlist = pltParent->CreateLinePlot(ZPLANE, whichType,
ptr->XYPLIlist->maxLevel,
ptr->XYPLIlist->gridline,
&ptr->XYPLIlist->derived);
ptr->XYPLIlist->SetLevel(level);
ptr->XYPLIlist->UpdateStats();
if(ptr->XYPLIlist->numPoints > numXsegs) {
numXsegs = ptr->XYPLIlist->numPoints + 5;
delete [] Xsegs[0];
Xsegs[0] = new XSegment[numXsegs];
delete [] Xsegs[1];
Xsegs[1] = new XSegment[numXsegs];
}
if( ! animatingQ) {
delete tempList;
if( ! zoomedInQ && ptr->drawQ) {
updateBoundingBox(ptr->XYPLIlist);
}
}
}
currFrame = frame;
if(num_lists_changed == 0) {
return;
}
if(animatingQ) {
clearData();
drawData();
} else {
if( ! zoomedInQ) {
setBoundingBox();
}
CBdoRedrawPlot(None, NULL, NULL);
}
}
// -------------------------------------------------------------------
void XYPlotWin::StopAnimation(void) {
if(!animatingQ) return;
animatingQ = false;
for(XYPlotLegendItem *ptr = legendHead; ptr; ptr = ptr->next) {
for(int ii = 0; ii != numFrames; ++ii) {
if((*ptr->ready_list)[ii] && (*ptr->anim_lists)[ii] != ptr->XYPLIlist) {
delete (*ptr->anim_lists)[ii];
}
}
delete ptr->ready_list;
delete ptr->anim_lists;
}
lloY = DBL_MAX;
hhiY = -DBL_MAX;
for(XYPlotLegendItem *ptr = legendHead; ptr; ptr = ptr->next) {
if(ptr->drawQ) {
updateBoundingBox(ptr->XYPLIlist);
}
}
if( ! zoomedInQ) {
setBoundingBox();
CBdoRedrawPlot(None, NULL, NULL);
}
}
#endif
#define TRANX(xval) (((double) ((xval) - iXOrgX)) * dXUnitsPerPixel + dUsrOrgX)
#define TRANY(yval) (dUsrOppY - (((double) ((yval) - iXOrgY)) * dYUnitsPerPixel))
#define SCREENX(userX) \
(((int) (((userX) - dUsrOrgX)/dXUnitsPerPixel + 0.5)) + iXOrgX)
#define SCREENY(userY) \
(iXOppY - ((int) (((userY) - dUsrOrgY)/dYUnitsPerPixel + 0.5)))
// -------------------------------------------------------------------
void XYPlotWin::setBoundingBox (double lowX, double lowY,
double highX, double highY)
{
double pad;
if(highX > lowX) {
loX = lowX;
hiX = highX;
} else {
if(numDrawnItems == 0) {
loX = -1.0;
loY = -1.0;
hiX = 1.0;
hiY = 1.0;
lloX = DBL_MAX;
lloY = DBL_MAX;
hhiX = -DBL_MAX;
hhiY = -DBL_MAX;
return;
}
loX = lloX;
hiX = hhiX;
}
if(highY > lowY) {
loY = lowY;
hiY = highY;
} else {
loY = lloY;
hiY = hhiY;
}
// Increase the padding for aesthetics
if(hiX - loX == 0.0) {
pad = max(0.5, fabs(hiX / 2.0));
hiX += pad;
loX -= pad;
}
if(hiY - loY == 0.0) {
pad = max(0.5, fabs(hiY / 2.0));
hiY += pad;
loY -= pad;
}
if( ! zoomedInQ) {
// Add 10% padding to bounding box
pad = (hiX - loX) * 0.05;
loX -= pad;
hiX += pad;
pad = (hiY - loY) * 0.05;
loY -= pad;
hiY += pad;
}
}
// -------------------------------------------------------------------
void XYPlotWin::CBdoRedrawPlot(Widget w, XtPointer, XtPointer) {
XClearWindow(disp, pWindow);
CBdoDrawPlot(None, NULL, NULL);
}
// -------------------------------------------------------------------
void XYPlotWin::CalculateBox() {
XWindowAttributes win_attr;
XGetWindowAttributes(disp, pWindow, &win_attr);
devInfo.areaW = win_attr.width;
devInfo.areaH = win_attr.height;
// Figure out the transformation constants. Draw only if valid.
// First, we figure out the origin in the X window. Above the space we
// have the title and the Y axis unit label. To the left of the space we
// have the Y axis grid labels.
// Here we make an arbitrary label to find out how big an offset we need
char buff[40];
sprintf(buff, formatY, -200.0);
XCharStruct bb;
int dir, ascent, descent;
XTextExtents(labeltextFont, buff, strlen(buff), &dir, &ascent, &descent, &bb);
iXOrgX = 2 * devInfo.bdrPad + bb.rbearing - bb.lbearing;
if(dispHintsQ) {
iXOrgY = devInfo.bdrPad + (5 * devInfo.axisH) / 2;
} else {
iXOrgY = devInfo.bdrPad + (3 * devInfo.axisH) / 2;
}
// Now we find the lower right corner. Below the space we have the X axis
// grid labels. To the right of the space we have the X axis unit label
// and the legend. We assume the worst case size for the unit label.
iXOppX = devInfo.areaW - devInfo.bdrPad - devInfo.axisW;
iXOppY = devInfo.areaH - devInfo.bdrPad - (2 * devInfo.axisH);
iXLocWinX = devInfo.bdrPad + (30 * devInfo.axisW);
iXLocWinY = devInfo.areaH - devInfo.bdrPad - devInfo.axisH;
// Is the drawing area too small?
if((iXOrgX >= iXOppX) || (iXOrgY >= iXOppY)) {
return;
}
// We now have a bounding box for the drawing region. Figure out the units
// per pixel using the data set bounding box.
dXUnitsPerPixel = (hiX - loX) / ((double) (iXOppX - iXOrgX));
dYUnitsPerPixel = (hiY - loY) / ((double) (iXOppY - iXOrgY));
// Find origin in user coordinate space. We keep the center of the
// original bounding box in the same place.
double bbCenX = (loX + hiX) / 2.0;
double bbCenY = (loY + hiY) / 2.0;
double bbHalfWidth = ((double) (iXOppX - iXOrgX)) * 0.5 * dXUnitsPerPixel;
double bbHalfHeight = ((double) (iXOppY - iXOrgY)) * 0.5 * dYUnitsPerPixel;
dUsrOrgX = bbCenX - bbHalfWidth;
dUsrOrgY = bbCenY - bbHalfHeight;
dUsrOppX = bbCenX + bbHalfWidth;
dUsrOppY = bbCenY + bbHalfHeight;
}
// -------------------------------------------------------------------
void XYPlotWin::CBdoDrawPlot(Widget, XtPointer, XtPointer) {
CalculateBox();
// Everything is defined so we can now use the SCREENX and SCREENY
// transformations.
drawGridAndAxis();
drawData();
if(dispHintsQ) {
drawHint();
}
XFlush(disp);
}
// -------------------------------------------------------------------
void XYPlotWin::AddDataList(XYPlotDataList *new_list,
XYPlotLegendItem *insert_after)
{
if(++numItems > 64) {
// Too many data lists to assign unique color/style. Delete.
PrintMessage("Too many lines in plotter!\n");
numItems = 64;
delete new_list;
return;
}
// Find a unique color and style.
int i, j;
char mask;
for(i = 0; lineFormats[i] == 0xff; ++i) {
; // do nothing
}
for(j = 0, mask = 0x1; lineFormats[i] & mask; ++j, mask = mask << 1) {
; // do nothing
}
//j = 254;
//cout << "_here 00: j = " << j << endl;
//j = 4;
XYPlotLegendItem *new_item = new XYPlotLegendItem;
new_item->XYPLIlist = new_list;
lineFormats[i] |= mask;
new_item->style = i;
new_item->color = j;
new_item->pixel = AllAttrs[j].pixelValue;
// Append this new list to our data set list.
new_item->frame =
XtVaCreateManagedWidget("frame", xmFrameWidgetClass,
wLegendButtons,
XmNshadowType, XmSHADOW_ETCHED_IN,
XmNhighlightPixmap, NULL,
XmNtopShadowColor, foregroundPix,
XmNbottomShadowColor, foregroundPix,
XmNtopAttachment, XmATTACH_WIDGET,
XmNtopOffset, 0,
NULL);
new_item->wid = XtVaCreateManagedWidget("button", xmDrawingAreaWidgetClass,
new_item->frame,
XmNwidth, 155,
XmNheight, ((BL_SPACEDIM == 3) ?
(15 + 2 * devInfo.axisH) :
(15 + devInfo.axisH)),
NULL);
pltParent->GetPalettePtr()->SetWindowPalette(pltParent->GetPaletteName(),
XtWindow(new_item->wid));
Widget wid, levelmenu;
char buffer[10];
new_item->menu = XmCreatePopupMenu(new_item->wid, "popup", NULL, 0);
if(new_list->maxLevel != 0) {
XmString label_str = XmStringCreateSimple("Level");
levelmenu = XmCreatePulldownMenu(new_item->menu, "pulldown", NULL, 0);
XtVaCreateManagedWidget("Level", xmCascadeButtonGadgetClass,
new_item->menu,
XmNsubMenuId, levelmenu,
XmNlabelString, label_str,
XmNmnemonic, 'L',
NULL);
XmStringFree(label_str);
for(int ii = 0; ii <= new_list->maxLevel; ++ii) {
sprintf(buffer, "%d/%d", ii, new_list->maxLevel);
wid = XtVaCreateManagedWidget(buffer, xmPushButtonGadgetClass,
levelmenu, NULL);
if(ii < 10) {
XtVaSetValues(wid, XmNmnemonic, ii + '0', NULL);
}
XYMenuCBData *xymenucb = new XYMenuCBData(new_item, ii);
// xymenucbdPtrs.push_back(xymenucb)
int nSize(xymenucbdPtrs.size());
xymenucbdPtrs.resize(nSize + 1);
xymenucbdPtrs[nSize] = xymenucb;
AddStaticCallback(wid, XmNactivateCallback, &XYPlotWin::CBdoSetListLevel,
xymenucb);
}
}
wid = XtVaCreateManagedWidget("Copy", xmPushButtonGadgetClass,
new_item->menu,
XmNmnemonic, 'C',
NULL);
AddStaticCallback(wid, XmNactivateCallback, &XYPlotWin::CBdoCopyDataList,
new_item);
wid = XtVaCreateManagedWidget("Delete", xmPushButtonGadgetClass,
new_item->menu,
XmNmnemonic, 'D',
NULL);
AddStaticCallback(wid, XmNactivateCallback,
&XYPlotWin::CBdoRemoveDataList, new_item);
wid = XtVaCreateManagedWidget("Choose color", xmPushButtonGadgetClass,
new_item->menu,
XmNmnemonic, 'o',
NULL);
AddStaticCallback(wid, XmNactivateCallback,
&XYPlotWin::CBdoInitializeListColorChange, new_item);
if(insert_after == NULL) {
new_item->drawQ = 1; // Default to draw.
++numDrawnItems;
new_list->UpdateStats(); // Find extremes, number of points.
updateBoundingBox(new_list);
if( ! zoomedInQ) {
setBoundingBox();
}
if(new_list->numPoints > numXsegs) {
numXsegs = new_list->numPoints + 5;
delete [] Xsegs[0];
Xsegs[0] = new XSegment[numXsegs];
delete [] Xsegs[1];
Xsegs[1] = new XSegment[numXsegs];
}
new_item->next = NULL;
if((new_item->prev = legendTail) != NULL) {
legendTail = legendTail->next = new_item;
XtVaSetValues(new_item->frame, XmNtopWidget, new_item->prev->frame, NULL);
} else {
legendTail = legendHead = new_item;
XtVaSetValues(new_item->frame, XmNtopWidget, wLegendMenu, NULL);
}
} else {
new_item->drawQ = insert_after->drawQ;
if(new_item->drawQ) {
++numDrawnItems;
} else {
XtVaSetValues(new_item->frame,
XmNtopShadowColor, backgroundPix,
XmNbottomShadowColor, backgroundPix,
NULL);
}
new_item->prev = insert_after;
XtVaSetValues(new_item->frame, XmNtopWidget, insert_after->frame, NULL);
if((new_item->next = insert_after->next) != NULL) {
new_item->next->prev = new_item;
XtVaSetValues(new_item->next->frame, XmNtopWidget, new_item->frame, NULL);
} else {
legendTail = new_item;
}
insert_after->next = new_item;
}
AddStaticCallback(new_item->wid, XmNinputCallback,
&XYPlotWin::CBdoSelectDataList, new_item);
AddStaticCallback(new_item->wid, XmNexposeCallback,
&XYPlotWin::CBdoDrawLegendItem, new_item);
XtManageChild(new_item->frame);
if(new_item->drawQ) {
CBdoRedrawPlot(None, NULL, NULL);
}
}
// -------------------------------------------------------------------
void XYPlotWin::updateBoundingBox(XYPlotDataList *xypdl) {
if(xypdl->startX < lloX) {
lloX = xypdl->startX;
}
if(xypdl->endX > hhiX) {
hhiX = xypdl->endX;
}
if(xypdl->lloY[xypdl->curLevel] < lloY) {
lloY = xypdl->lloY[xypdl->curLevel];
}
if(xypdl->hhiY[xypdl->curLevel] > hhiY) {
hhiY = xypdl->hhiY[xypdl->curLevel];
}
}
#define nlog10(x) (x == 0.0 ? 0.0 : log10(x) + 1e-15)
// -------------------------------------------------------------------
double XYPlotWin::initGrid(double low, double high, double step) {
// Hack fix for graphs of large constant graphs. Sometimes the
// step is too small in comparison to the size of the grid itself,
// and rounding error takes its toll. We "fix" this by multiplying
// the step by an arbitrary number > 1 (1.2) when this happens.
double gridHigh;
while(true) {
dGridStep = roundUp(step);
gridHigh = (ceil(high / dGridStep) + 1.0) * dGridStep;
if(gridHigh + dGridStep != gridHigh) {
break;
}
if(step < DBL_EPSILON) {
step = DBL_EPSILON;
}
step *= 1.2;
}
dGridBase = (floor(low / dGridStep) + 1.0) * dGridStep;
return dGridBase;
}
// -------------------------------------------------------------------
double XYPlotWin::roundUp(double val) {
int idx;
int exponent((int) floor(nlog10(val)));
if(exponent < 0) {
for(idx = exponent; idx < 0; ++idx) {
val *= 10.0;
}
} else {
for(idx = 0; idx < exponent; ++idx) {
val /= 10.0;
}
}
if(val > 5.0) {
val = 10.0;
} else if(val > 2.0) {
val = 5.0;
} else if(val > 1.0) {
val = 2.0;
} else {
val = 1.0;
}
if(exponent < 0) {
for(idx = exponent; idx < 0; ++idx) {
val /= 10.0;
}
} else {
for(idx = 0; idx < exponent; ++idx) {
val *= 10.0;
}
}
return val;
}
// -------------------------------------------------------------------
void XYPlotWin::writeValue(char *str, char *fmt, double val, int expv) {
int idx;
if(expv < 0) {
for(idx = expv; idx < 0; ++idx) {
val *= 10.0;
}
} else {
for(idx = expv; idx > 0; --idx) {
val /= 10.0;
}
}
if(strchr(fmt, 'd') || strchr(fmt, 'x')) {
sprintf(str, fmt, (int) val);
} else {
sprintf(str, fmt, val);
}
}
// -------------------------------------------------------------------
// Clipping algorithm from Neumann and Sproull by Cohen and Sutherland
#define C_CODE(xval, yval, rtn) \
rtn = 0; \
if((xval) < dUsrOrgX) rtn = LEFT_CODE; \
else if((xval) > dUsrOppX) rtn = RIGHT_CODE; \
if((yval) < dUsrOrgY) rtn |= BOTTOM_CODE; \
else if((yval) > dUsrOppY) rtn |= TOP_CODE
// -------------------------------------------------------------------
void XYPlotWin::drawGridAndAxis(void) {