// Copyright (C) 2006 Erik Dahlberg
//
-// This file is part of LSystem3d.
+// This file is part of LSystem3D.
//
// LSystem3D is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
-#include <map>
+#include <sstream>
#include <string>
#include "fx.h"
#include "lindenmayersystem.h"
#include "lsystemparameters.h"
#include "renderingsurface.h"
+#include "rule.h"
+#include "ruleset.h"
+
+using namespace std;
// message map
FXDEFMAP(GUI) GUIMap[] =
{
- FXMAPFUNC(SEL_COMMAND, GUI::ID_GENERATE, GUI::onGenerateButtonPressed)
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_GENERATE, GUI::onGenerate),
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_LOAD, GUI::onLoad),
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_SAVE, GUI::onSave),
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_QUIT, GUI::onQuit),
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_HELP_USAGE, GUI::onHelpUsage),
+ FXMAPFUNC(SEL_COMMAND, GUI::ID_HELP_RULES, GUI::onHelpRules),
+ FXMAPFUNC(SEL_CLOSE, 0, GUI::onQuit)
};
// macro to set up class implementation
/**
* Constructor
- * @param application the FOX application object
+ * @param application the application object
* @param renderingSurface the rendering surface
- * @param lsystem the Lindenmayer-system
+ * @param lsystem the Lindenmayer system generator
*/
GUI::GUI(FXApp *application, RenderingSurface *renderingSurface, LindenmayerSystem *lsystem) : FXMainWindow(application, "LSystem3D" , NULL, NULL, DECOR_ALL, 920, 100, 0, 0)
{
- _lsystem = lsystem;
_renderingSurface = renderingSurface;
+ _lsystem = lsystem;
+
// create the widgets
+ // menu bar
+ FXMenuBar *menubar = new FXMenuBar(this, LAYOUT_FILL_X);
+
+ // file menu
+ _fileMenuPane = new FXMenuPane(this);
+ new FXMenuTitle(menubar, "&File", NULL, _fileMenuPane);
+ new FXMenuCommand(_fileMenuPane, "&Load...", NULL, this, GUI::ID_LOAD);
+ new FXMenuCommand(_fileMenuPane, "&Save...", NULL, this, GUI::ID_SAVE);
+ new FXMenuCommand(_fileMenuPane, "&Quit", NULL, this, GUI::ID_QUIT);
+
+ // help menu
+ _helpMenuPane = new FXMenuPane(this);
+ new FXMenuTitle(menubar, "&Help", NULL, _helpMenuPane);
+ new FXMenuCommand(_helpMenuPane, "&Usage", NULL, this, GUI::ID_HELP_USAGE);
+ new FXMenuCommand(_helpMenuPane, "&Rules", NULL, this, GUI::ID_HELP_RULES);
+
+
// the main frame
FXVerticalFrame *mainFrame = new FXVerticalFrame(this, LAYOUT_FILL_X);
- // axiom
+
+ // axiom text field
FXHorizontalFrame *axiomFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X);
new FXLabel(axiomFrame, "Axiom:");
_axiomTextField = new FXTextField(axiomFrame, 10, NULL, 0, LAYOUT_FILL_X);
-
- // rules
+
+ // rules multiline text field
FXHorizontalFrame *rulesFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X);
new FXLabel(rulesFrame, "Rules:");
_rulesText = new FXText(rulesFrame, NULL, 0, LAYOUT_FILL_X);
_rulesText->setVisibleColumns(30);
_rulesText->setVisibleRows(10);
-
- // angle
+
+ // angle spinner
FXHorizontalFrame *angleFrame = new FXHorizontalFrame(mainFrame);
new FXLabel(angleFrame, "Angle:");
_angleRealSpinner = new FXRealSpinner(angleFrame, 5);
-
- // iterations
- FXHorizontalFrame *iterationsFrame = new FXHorizontalFrame(mainFrame);
- new FXLabel(iterationsFrame, "Iterations:");
- _iterationsSpinner = new FXSpinner(iterationsFrame, 5);
-
- // diameter
+
+ // depth spinner
+ FXHorizontalFrame *depthFrame = new FXHorizontalFrame(mainFrame);
+ new FXLabel(depthFrame, "Depth:");
+ _depthSpinner = new FXSpinner(depthFrame, 5);
+
+ // diameter spinner
FXHorizontalFrame *diameterFrame = new FXHorizontalFrame(mainFrame);
new FXLabel(diameterFrame, "Diameter:");
_diameterRealSpinner = new FXRealSpinner(diameterFrame, 5);
- _diameterRealSpinner->setValue(0.2);
- _diameterRealSpinner->setIncrement(0.1);
+ _diameterRealSpinner->setValue(0.1);
+ _diameterRealSpinner->setIncrement(0.01);
- // diameter factor
+ // diameter factor spinner
new FXLabel(diameterFrame, "Factor:");
_diameterFactorRealSpinner = new FXRealSpinner(diameterFrame, 5);
- _diameterFactorRealSpinner->setValue(0.8);
- _diameterFactorRealSpinner->setIncrement(0.1);
+ _diameterFactorRealSpinner->setValue(1.0);
+ _diameterFactorRealSpinner->setIncrement(0.01);
+
// separator
new FXHorizontalSeparator(mainFrame, SEPARATOR_RIDGE | LAYOUT_FILL_X);
- // generate
+
+ // generate button
new FXButton(mainFrame, "&Generate", NULL, this, GUI::ID_GENERATE);
+ // usage help dialog
+ stringstream usageHelpText;
+ usageHelpText << "Rendering window:" << endl
+ << "Left mouse button: Move model in z-plane" << endl
+ << "Middle mouse button: Zoom in/out" << endl
+ << "Right mouse button: Rotate around y-axis" << endl
+ << endl
+ << "Controller window:" << endl
+ << "Axiom: Initial rule" << endl
+ << "Rules: The L-system rules" << endl
+ << "Angle: Turn/pitch/roll angle" << endl
+ << "Depth: Depth of recursion" << endl
+ << "Diameter: Initial diameter of segment" << endl
+ << "Factor: For each recursion level, multiply segment diameter with this value" << endl
+ << "Generate: Generate the L-system";
- // load L-system parameters from file and sync with GUI
+ _helpUsageMessageBox = new FXMessageBox(getApp(), "Usage", usageHelpText.str().c_str(), NULL, MBOX_OK);
- _lsystemParameters.load(_lsystem, "lsystem.xml");
- // axiom
- _axiomTextField->setText(_lsystem->getAxiom().c_str());
+ // rules help dialog
+ stringstream rulesHelpText;
+ rulesHelpText << "Rules:" << endl
+ << "F : Walk forward, creating a segment" << endl
+ << "A-Z : Replacement rule" << endl
+ << "A(0.33) : Probability factor 0.33 for rule \"A\"" << endl
+ << "= : Rule assignment" << endl
+ << "+ : Turn left" << endl
+ << "- : Turn right" << endl
+ << "&& : Pitch down" << endl
+ << "^ : Pitch up" << endl
+ << "\\ : Roll left" << endl
+ << "/ : Roll right" << endl
+ << "| : Turn around 180 degrees" << endl
+ << "[ : Save state to stack" << endl
+ << "] : Load state from stack" << endl
+ << "{ : Create a planar surface" << endl
+ << "} : Close a planar surface" << endl
+ << "f : One vertex in a planar surface, specified CCW" << endl
+ << "! : Decrement segment diameter" << endl
+ << "\' : Increment current index to color table" << endl
+ << ", : Decrement current index to color table" << endl
+ << endl
+ << "Example:" << endl
+ << "F(0.33)=[+FL]F/[-FL]F!" << endl
+ << "F(0.33)=F[&&FL]F!" << endl
+ << "F(0.34)=F/[-FL]&&F!" << endl
+ << "L={,-f++f-|-f++f-'}";
- // rules
- map<string,string> allRulesSrc = _lsystem->getRules();
- string allRulesDst;
- for (map<string,string>::iterator currentRule = allRulesSrc.begin();
- currentRule != allRulesSrc.end();
- currentRule++)
- {
- // one rule
- string rule = currentRule->first + "=" + currentRule->second + '\n';
- allRulesDst += rule.c_str();
- }
- _rulesText->setText(allRulesDst.c_str(), allRulesDst.size());
+ _helpRulesMessageBox = new FXMessageBox(getApp(), "Rules", rulesHelpText.str().c_str(), NULL, MBOX_OK);
- // angle
- _angleRealSpinner->setValue(_lsystem->getAngle());
- // iterations
- _iterationsSpinner->setValue(_lsystem->getNumIterations());
+ // load default L-system
+ _lsystemParameters.load(_lsystem, "lsystem.xml");
+ lsystemToWidgets();
+}
+
+
+
+/**
+ * Destructor
+ */
+GUI::~GUI()
+{
+ delete _fileMenuPane;
+ delete _helpMenuPane;
}
/**
- * Called by the system when the "generate"-button is pressed
+ * Called by the system when the "Generate" button is pressed
+ * @param sender the sender object
+ * @param selector message type and id
+ * @param data event related data
+ * @return
+ */
+long GUI::onGenerate(FXObject *sender, FXSelector selector, void *data)
+{
+ widgetsToLsystem();
+
+ // generate and render L-system to screen
+ _lsystem->generate();
+ _renderingSurface->draw();
+}
+
+
+
+/**
+ * Called by the system when the File->Load menu command is selected
+ * @param sender the sender object
+ * @param selector message type and id
+ * @param data event related data
+ * @return
+ */
+long GUI::onLoad(FXObject *sender, FXSelector selector, void *data)
+{
+ FXString loadFilename = FXFileDialog::getOpenFilename(this, "Load file...", ".");
+
+ if (!loadFilename.empty())
+ {
+ // load from disk
+ _lsystemParameters.load(_lsystem, loadFilename.text());
+ lsystemToWidgets();
+ }
+}
+
+
+
+/**
+ * Called by the system when the File->Save menu command is selected
+ * @param sender the sender object
+ * @param selector message type and id
+ * @param data event related data
+ * @return
+ */
+long GUI::onSave(FXObject *sender, FXSelector selector, void *data)
+{
+ FXString saveFilename = FXFileDialog::getSaveFilename(this, "Save file...", ".");
+
+ if (!saveFilename.empty())
+ {
+ if (FXStat::exists(saveFilename))
+ {
+ // the file already exists
+
+ if (MBOX_CLICKED_YES == FXMessageBox::question(this, MBOX_YES_NO, "Overwrite file", "Overwrite existing file?"))
+ {
+ // overwrite file
+ widgetsToLsystem();
+ _lsystemParameters.save(_lsystem, saveFilename.text());
+ }
+ }
+ else
+ {
+ // save to file
+ widgetsToLsystem();
+ _lsystemParameters.save(_lsystem, saveFilename.text());
+ }
+ }
+}
+
+
+
+/**
+ * Called by the system when the close button or the File->Quit command item is selected
* @param sender the sender object
* @param selector message type and id
* @param data event related data
* @return
*/
-long GUI::onGenerateButtonPressed(FXObject *sender, FXSelector selector, void *data)
+long GUI::onQuit(FXObject *sender, FXSelector selector, void *data)
+{
+ getApp()->exit(0);
+
+ return 1;
+}
+
+
+
+/**
+ * Called by the system when the Help->Usage menu command is selected
+ * @param sender the sender object
+ * @param selector message type and id
+ * @param data event related data
+ * @return
+ */
+long GUI::onHelpUsage(FXObject *sender, FXSelector selector, void *data)
+{
+ _helpUsageMessageBox->show(PLACEMENT_OWNER);
+}
+
+
+
+/**
+ * Called by the system when the Help->Rules menu command is selected
+ * @param sender the sender object
+ * @param selector message type and id
+ * @param data event related data
+ * @return
+ */
+long GUI::onHelpRules(FXObject *sender, FXSelector selector, void *data)
+{
+ _helpRulesMessageBox->show(PLACEMENT_OWNER);
+}
+
+
+
+/**
+ * Put content of widgets into the L-system
+ */
+void GUI::widgetsToLsystem()
{
// clear L-system
_lsystem->clear();
- // load data from widgets into L-system
-
// axiom
- _lsystem->setAxiom(_axiomTextField->getText().text());
+ Rule axiom("axiom", _axiomTextField->getText().text(), 1.0);
+ _lsystem->setAxiom(axiom);
// rules
string ruleSet = _rulesText->getText().text();
- string currentRule;
- string ruleName;
- bool newRule = true;
+ string currentRule;
for (int i = 0; i < ruleSet.size(); i++)
{
- if (newRule)
- {
- // get rule name
- ruleName = ruleSet[i];
- i += 2;
- newRule = false;
- }
-
- if (ruleSet[i] != '\n' || i == ruleSet.size() - 1)
+ if (ruleSet[i] != '\n')
{
- // part of current rule
+ // rule component
currentRule += ruleSet[i];
+
+ if (i == ruleSet.size() - 1)
+ {
+ // last char in whole rule string
+ _lsystem->setRule(Rule(currentRule));
+ currentRule.clear();
+ }
}
-
- if (ruleSet[i] == '\n' || i == ruleSet.size() - 1)
+ else
{
- // end of rule
- _lsystem->setRule(ruleName, currentRule);
- ruleName.clear();
+ // last char in current rule
+ _lsystem->setRule(Rule(currentRule));
currentRule.clear();
- newRule = true;
}
}
// angle
_lsystem->setAngle(_angleRealSpinner->getValue());
- // iterations
- _lsystem->setNumIterations(_iterationsSpinner->getValue());
+ // depth
+ _lsystem->setDepth(_depthSpinner->getValue());
- // diameter
+ // segment diameter
_lsystem->setDiameter(_diameterRealSpinner->getValue());
- // diameter factor
+ // segment diameter factor
_lsystem->setDiameterFactor(_diameterFactorRealSpinner->getValue());
+}
+
+
+
+/**
+ * Put content of the L-system into widgets
+ */
+void GUI::lsystemToWidgets()
+{
+ // axiom
+ _axiomTextField->setText(_lsystem->getAxiom().getContent().c_str());
+ // rules
+ rulemap rules = _lsystem->getRules().getRules();
+ string rulesString;
+ for (rulemap::iterator it = rules.begin(); it != rules.end(); ++it)
+ {
+ rulesString += it->second.toString();
+ rulesString += '\n';
+ }
+ _rulesText->setText(rulesString.c_str(), rulesString.size());
- // generate and render L-system to screen
- _lsystem->generate();
- _renderingSurface->draw();
+ // angle
+ _angleRealSpinner->setValue(_lsystem->getAngle());
+
+ // depth
+ _depthSpinner->setValue(_lsystem->getDepth());
+
+ // segment diameter
+ _diameterRealSpinner->setValue(_lsystem->getDiameter());
+
+ // segment diameter factor
+ _diameterFactorRealSpinner->setValue(_lsystem->getDiameterFactor());
}
repositories / lsystem3d.git / blobdiff