| 1 | // Copyright (C) 2006 Erik Dahlberg |
| 2 | // |
| 3 | // This file is part of LSystem3D. |
| 4 | // |
| 5 | // LSystem3D is free software; you can redistribute it and/or |
| 6 | // modify it under the terms of the GNU General Public License |
| 7 | // as published by the Free Software Foundation; either version 2 |
| 8 | // of the License, or (at your option) any later version. |
| 9 | // |
| 10 | // LSystem3D is distributed in the hope that it will be useful, |
| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | // GNU General Public License for more details. |
| 14 | // |
| 15 | // You should have received a copy of the GNU General Public License |
| 16 | // along with LSystem3D; if not, write to the Free Software |
| 17 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | #include <sstream> |
| 23 | #include <string> |
| 24 | |
| 25 | #include "fx.h" |
| 26 | |
| 27 | #include "gui.h" |
| 28 | #include "lindenmayersystem.h" |
| 29 | #include "lsystemparameters.h" |
| 30 | #include "renderingsurface.h" |
| 31 | #include "rule.h" |
| 32 | #include "ruleset.h" |
| 33 | |
| 34 | using namespace std; |
| 35 | |
| 36 | |
| 37 | |
| 38 | // message map |
| 39 | FXDEFMAP(GUI) GUIMap[] = |
| 40 | { |
| 41 | FXMAPFUNC(SEL_COMMAND, GUI::ID_GENERATE, GUI::onGenerateButtonPressed), |
| 42 | FXMAPFUNC(SEL_COMMAND, GUI::ID_HELP, GUI::onHelpButtonPressed) |
| 43 | }; |
| 44 | |
| 45 | // macro to set up class implementation |
| 46 | FXIMPLEMENT(GUI, FXMainWindow, GUIMap, ARRAYNUMBER(GUIMap)) |
| 47 | |
| 48 | |
| 49 | |
| 50 | /** |
| 51 | * Constructor |
| 52 | * @param application the FOX application object |
| 53 | * @param renderingSurface the rendering surface |
| 54 | * @param lsystem the Lindenmayer-system |
| 55 | */ |
| 56 | GUI::GUI(FXApp *application, RenderingSurface *renderingSurface, LindenmayerSystem *lsystem) : FXMainWindow(application, "LSystem3D" , NULL, NULL, DECOR_ALL, 920, 100, 0, 0) |
| 57 | { |
| 58 | _lsystem = lsystem; |
| 59 | _renderingSurface = renderingSurface; |
| 60 | |
| 61 | |
| 62 | |
| 63 | // create the widgets |
| 64 | |
| 65 | // the main frame |
| 66 | FXVerticalFrame *mainFrame = new FXVerticalFrame(this, LAYOUT_FILL_X); |
| 67 | |
| 68 | // axiom text field |
| 69 | FXHorizontalFrame *axiomFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
| 70 | new FXLabel(axiomFrame, "Axiom:"); |
| 71 | _axiomTextField = new FXTextField(axiomFrame, 10, NULL, 0, LAYOUT_FILL_X); |
| 72 | |
| 73 | // rules multiline text field |
| 74 | FXHorizontalFrame *rulesFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
| 75 | new FXLabel(rulesFrame, "Rules:"); |
| 76 | _rulesText = new FXText(rulesFrame, NULL, 0, LAYOUT_FILL_X); |
| 77 | _rulesText->setVisibleColumns(30); |
| 78 | _rulesText->setVisibleRows(10); |
| 79 | |
| 80 | // angle spinner |
| 81 | FXHorizontalFrame *angleFrame = new FXHorizontalFrame(mainFrame); |
| 82 | new FXLabel(angleFrame, "Angle:"); |
| 83 | _angleRealSpinner = new FXRealSpinner(angleFrame, 5); |
| 84 | |
| 85 | // depth spinner |
| 86 | FXHorizontalFrame *depthFrame = new FXHorizontalFrame(mainFrame); |
| 87 | new FXLabel(depthFrame, "Depth:"); |
| 88 | _depthSpinner = new FXSpinner(depthFrame, 5); |
| 89 | |
| 90 | // diameter spinner |
| 91 | FXHorizontalFrame *diameterFrame = new FXHorizontalFrame(mainFrame); |
| 92 | new FXLabel(diameterFrame, "Diameter:"); |
| 93 | _diameterRealSpinner = new FXRealSpinner(diameterFrame, 5); |
| 94 | _diameterRealSpinner->setValue(0.2); |
| 95 | _diameterRealSpinner->setIncrement(0.1); |
| 96 | |
| 97 | // diameter factor spinner |
| 98 | new FXLabel(diameterFrame, "Factor:"); |
| 99 | _diameterFactorRealSpinner = new FXRealSpinner(diameterFrame, 5); |
| 100 | _diameterFactorRealSpinner->setValue(0.9); |
| 101 | _diameterFactorRealSpinner->setIncrement(0.01); |
| 102 | |
| 103 | // separator |
| 104 | new FXHorizontalSeparator(mainFrame, SEPARATOR_RIDGE | LAYOUT_FILL_X); |
| 105 | |
| 106 | // generate button |
| 107 | new FXButton(mainFrame, "&Generate", NULL, this, GUI::ID_GENERATE); |
| 108 | |
| 109 | // help button |
| 110 | new FXButton(mainFrame, "&Help", NULL, this, GUI::ID_HELP); |
| 111 | |
| 112 | // help dialog |
| 113 | stringstream helpText; |
| 114 | helpText << "Mouse:" << endl |
| 115 | << "Left button: Move model in z-plane" << endl |
| 116 | << "Middle button: Zoom in/out" << endl |
| 117 | << "Right button: Rotate around y-axis" << endl |
| 118 | << endl |
| 119 | << "Rules:" << endl |
| 120 | << "F : Walk forward, leaving a trace" << endl |
| 121 | << "A-Z : Replacement rule" << endl |
| 122 | << "A(0.33) : Probability factor 0.33 for rule \"A\"" << endl |
| 123 | << "= : Rule assignment" << endl |
| 124 | << "+ : Turn left" << endl |
| 125 | << "- : Turn right" << endl |
| 126 | << "&& : Pitch down" << endl |
| 127 | << "^ : Pitch up" << endl |
| 128 | << "\\ : Roll left" << endl |
| 129 | << "/ : Roll right" << endl |
| 130 | << "| : Turn around 180 degrees" << endl |
| 131 | << "[ : Save state to stack" << endl |
| 132 | << "] : Load state from stack" << endl |
| 133 | << "{ : Create a planar surface" << endl |
| 134 | << "} : Close a planar surface" << endl |
| 135 | << "f : One vertex in a planar surface, specified CCW" << endl |
| 136 | << "! : Decrement diameter of segment" << endl |
| 137 | << "\' : Increment current index to color table" << endl |
| 138 | << ", : Decrement current index to color table" << endl |
| 139 | << endl |
| 140 | << "Example:" << endl |
| 141 | << "F(0.33)=[+F/L]/F[-F&&L]F!" << endl |
| 142 | << "F(0.33)=F[+F+L]&&F!" << endl |
| 143 | << "F(0.34)=F[-F-L]/F!" << endl |
| 144 | << "L=,{-f++f-|-f++f-}'"; |
| 145 | |
| 146 | _helpMessageBox = new FXMessageBox(getApp(), "Help", helpText.str().c_str(), NULL, MBOX_OK); |
| 147 | |
| 148 | |
| 149 | |
| 150 | // load L-system parameters from file and sync with GUI |
| 151 | |
| 152 | _lsystemParameters.load(_lsystem, "lsystem.xml"); |
| 153 | |
| 154 | // axiom |
| 155 | _axiomTextField->setText(_lsystem->getAxiom().getContent().c_str()); |
| 156 | |
| 157 | // rules |
| 158 | rulemap rules = _lsystem->getRules().getRules(); |
| 159 | string rulesString; |
| 160 | for (rulemap::iterator it = rules.begin(); it != rules.end(); ++it) |
| 161 | { |
| 162 | rulesString += it->second.toString(); |
| 163 | rulesString += '\n'; |
| 164 | } |
| 165 | _rulesText->setText(rulesString.c_str(), rulesString.size()); |
| 166 | |
| 167 | // angle |
| 168 | _angleRealSpinner->setValue(_lsystem->getAngle()); |
| 169 | |
| 170 | // depth |
| 171 | _depthSpinner->setValue(_lsystem->getDepth()); |
| 172 | } |
| 173 | |
| 174 | |
| 175 | |
| 176 | /** |
| 177 | * Create and initialize the window |
| 178 | */ |
| 179 | void GUI::create() |
| 180 | { |
| 181 | // create the window and make it appear |
| 182 | FXMainWindow::create(); |
| 183 | show(); |
| 184 | } |
| 185 | |
| 186 | |
| 187 | |
| 188 | /** |
| 189 | * Called by the system when the "Generate" button is pressed |
| 190 | * @param sender the sender object |
| 191 | * @param selector message type and id |
| 192 | * @param data event related data |
| 193 | * @return |
| 194 | */ |
| 195 | long GUI::onGenerateButtonPressed(FXObject *sender, FXSelector selector, void *data) |
| 196 | { |
| 197 | // clear L-system |
| 198 | _lsystem->clear(); |
| 199 | |
| 200 | |
| 201 | // get user input form widgets |
| 202 | |
| 203 | // axiom |
| 204 | Rule axiom("axiom", _axiomTextField->getText().text(), 1.0); |
| 205 | _lsystem->setAxiom(axiom); |
| 206 | |
| 207 | // rules |
| 208 | string ruleSet = _rulesText->getText().text(); |
| 209 | string currentRule; |
| 210 | for (int i = 0; i < ruleSet.size(); i++) |
| 211 | { |
| 212 | if (ruleSet[i] != '\n') |
| 213 | { |
| 214 | // rule component |
| 215 | currentRule += ruleSet[i]; |
| 216 | |
| 217 | if (i == ruleSet.size() - 1) |
| 218 | { |
| 219 | // last char in whole rule string |
| 220 | _lsystem->setRule(Rule(currentRule)); |
| 221 | currentRule.clear(); |
| 222 | } |
| 223 | } |
| 224 | else |
| 225 | { |
| 226 | // last char in current rule |
| 227 | _lsystem->setRule(Rule(currentRule)); |
| 228 | currentRule.clear(); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | // angle |
| 233 | _lsystem->setAngle(_angleRealSpinner->getValue()); |
| 234 | |
| 235 | // depth |
| 236 | _lsystem->setDepth(_depthSpinner->getValue()); |
| 237 | |
| 238 | // diameter |
| 239 | _lsystem->setDiameter(_diameterRealSpinner->getValue()); |
| 240 | |
| 241 | // diameter factor |
| 242 | _lsystem->setDiameterFactor(_diameterFactorRealSpinner->getValue()); |
| 243 | |
| 244 | |
| 245 | // generate and render L-system to screen |
| 246 | _lsystem->generate(); |
| 247 | _renderingSurface->draw(); |
| 248 | } |
| 249 | |
| 250 | |
| 251 | |
| 252 | /** |
| 253 | * Called by the system when the "Help" button is pressed |
| 254 | * @param sender the sender object |
| 255 | * @param selector message type and id |
| 256 | * @param data event related data |
| 257 | * @return |
| 258 | */ |
| 259 | long GUI::onHelpButtonPressed(FXObject *sender, FXSelector selector, void *data) |
| 260 | { |
| 261 | _helpMessageBox->show(PLACEMENT_OWNER); |
| 262 | } |