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1 | // Copyright (C) 2006 Erik Dahlberg |
2 | // |
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3 | // This file is part of LSystem3D. |
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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 | |
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22 | #include <sstream> |
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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" |
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31 | #include "rule.h" |
32 | #include "ruleset.h" |
33 | |
34 | using namespace std; |
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35 | |
36 | |
37 | |
38 | // message map |
39 | FXDEFMAP(GUI) GUIMap[] = |
40 | { |
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41 | FXMAPFUNC(SEL_COMMAND, GUI::ID_GENERATE, GUI::onGenerate), |
42 | FXMAPFUNC(SEL_COMMAND, GUI::ID_LOAD, GUI::onLoad), |
43 | FXMAPFUNC(SEL_COMMAND, GUI::ID_SAVE, GUI::onSave), |
44 | FXMAPFUNC(SEL_COMMAND, GUI::ID_QUIT, GUI::onQuit), |
45 | FXMAPFUNC(SEL_COMMAND, GUI::ID_HELP_USAGE, GUI::onHelpUsage), |
46 | FXMAPFUNC(SEL_COMMAND, GUI::ID_HELP_RULES, GUI::onHelpRules), |
47 | FXMAPFUNC(SEL_CLOSE, 0, GUI::onQuit) |
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48 | }; |
49 | |
50 | // macro to set up class implementation |
51 | FXIMPLEMENT(GUI, FXMainWindow, GUIMap, ARRAYNUMBER(GUIMap)) |
52 | |
53 | |
54 | |
55 | /** |
56 | * Constructor |
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57 | * @param application the application object |
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58 | * @param renderingSurface the rendering surface |
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59 | * @param lsystem the Lindenmayer system generator |
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60 | */ |
61 | GUI::GUI(FXApp *application, RenderingSurface *renderingSurface, LindenmayerSystem *lsystem) : FXMainWindow(application, "LSystem3D" , NULL, NULL, DECOR_ALL, 920, 100, 0, 0) |
62 | { |
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63 | _renderingSurface = renderingSurface; |
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64 | _lsystem = lsystem; |
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65 | |
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66 | |
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67 | |
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68 | // create the widgets |
69 | |
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70 | // menu bar |
71 | FXMenuBar *menubar = new FXMenuBar(this, LAYOUT_FILL_X); |
72 | |
73 | // file menu |
74 | _fileMenuPane = new FXMenuPane(this); |
75 | new FXMenuTitle(menubar, "&File", NULL, _fileMenuPane); |
76 | new FXMenuCommand(_fileMenuPane, "&Load...", NULL, this, GUI::ID_LOAD); |
77 | new FXMenuCommand(_fileMenuPane, "&Save...", NULL, this, GUI::ID_SAVE); |
78 | new FXMenuCommand(_fileMenuPane, "&Quit", NULL, this, GUI::ID_QUIT); |
79 | |
80 | // help menu |
81 | _helpMenuPane = new FXMenuPane(this); |
82 | new FXMenuTitle(menubar, "&Help", NULL, _helpMenuPane); |
83 | new FXMenuCommand(_helpMenuPane, "&Usage", NULL, this, GUI::ID_HELP_USAGE); |
84 | new FXMenuCommand(_helpMenuPane, "&Rules", NULL, this, GUI::ID_HELP_RULES); |
85 | |
86 | |
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87 | // the main frame |
88 | FXVerticalFrame *mainFrame = new FXVerticalFrame(this, LAYOUT_FILL_X); |
89 | |
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90 | |
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91 | // axiom text field |
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92 | FXHorizontalFrame *axiomFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
93 | new FXLabel(axiomFrame, "Axiom:"); |
94 | _axiomTextField = new FXTextField(axiomFrame, 10, NULL, 0, LAYOUT_FILL_X); |
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95 | |
96 | // rules multiline text field |
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97 | FXHorizontalFrame *rulesFrame = new FXHorizontalFrame(mainFrame, LAYOUT_FILL_X); |
98 | new FXLabel(rulesFrame, "Rules:"); |
99 | _rulesText = new FXText(rulesFrame, NULL, 0, LAYOUT_FILL_X); |
100 | _rulesText->setVisibleColumns(30); |
101 | _rulesText->setVisibleRows(10); |
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102 | |
103 | // angle spinner |
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104 | FXHorizontalFrame *angleFrame = new FXHorizontalFrame(mainFrame); |
105 | new FXLabel(angleFrame, "Angle:"); |
106 | _angleRealSpinner = new FXRealSpinner(angleFrame, 5); |
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107 | |
108 | // depth spinner |
109 | FXHorizontalFrame *depthFrame = new FXHorizontalFrame(mainFrame); |
110 | new FXLabel(depthFrame, "Depth:"); |
111 | _depthSpinner = new FXSpinner(depthFrame, 5); |
112 | |
113 | // diameter spinner |
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114 | FXHorizontalFrame *diameterFrame = new FXHorizontalFrame(mainFrame); |
115 | new FXLabel(diameterFrame, "Diameter:"); |
116 | _diameterRealSpinner = new FXRealSpinner(diameterFrame, 5); |
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117 | _diameterRealSpinner->setValue(0.1); |
118 | _diameterRealSpinner->setIncrement(0.01); |
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119 | |
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120 | // diameter factor spinner |
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121 | new FXLabel(diameterFrame, "Factor:"); |
122 | _diameterFactorRealSpinner = new FXRealSpinner(diameterFrame, 5); |
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123 | _diameterFactorRealSpinner->setValue(1.0); |
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124 | _diameterFactorRealSpinner->setIncrement(0.01); |
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125 | |
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126 | |
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127 | // separator |
128 | new FXHorizontalSeparator(mainFrame, SEPARATOR_RIDGE | LAYOUT_FILL_X); |
129 | |
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130 | |
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131 | // generate button |
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132 | new FXButton(mainFrame, "&Generate", NULL, this, GUI::ID_GENERATE); |
133 | |
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134 | |
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135 | // usage help dialog |
136 | stringstream usageHelpText; |
137 | usageHelpText << "Rendering window:" << endl |
138 | << "Left mouse button: Move model in z-plane" << endl |
139 | << "Middle mouse button: Zoom in/out" << endl |
140 | << "Right mouse button: Rotate around y-axis" << endl |
141 | << endl |
142 | << "Controller window:" << endl |
143 | << "Axiom: Initial rule" << endl |
144 | << "Rules: The L-system rules" << endl |
145 | << "Angle: Turn/pitch/roll angle" << endl |
146 | << "Depth: Depth of recursion" << endl |
147 | << "Diameter: Initial diameter of segment" << endl |
148 | << "Factor: For each recursion level, multiply segment diameter with this value" << endl |
149 | << "Generate: Generate the L-system"; |
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150 | |
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151 | _helpUsageMessageBox = new FXMessageBox(getApp(), "Usage", usageHelpText.str().c_str(), NULL, MBOX_OK); |
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152 | |
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153 | |
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154 | // rules help dialog |
155 | stringstream rulesHelpText; |
156 | rulesHelpText << "Rules:" << endl |
157 | << "F : Walk forward, creating a segment" << endl |
158 | << "A-Z : Replacement rule" << endl |
159 | << "A(0.33) : Probability factor 0.33 for rule \"A\"" << endl |
160 | << "= : Rule assignment" << endl |
161 | << "+ : Turn left" << endl |
162 | << "- : Turn right" << endl |
163 | << "&& : Pitch down" << endl |
164 | << "^ : Pitch up" << endl |
165 | << "\\ : Roll left" << endl |
166 | << "/ : Roll right" << endl |
167 | << "| : Turn around 180 degrees" << endl |
168 | << "[ : Save state to stack" << endl |
169 | << "] : Load state from stack" << endl |
170 | << "{ : Create a planar surface" << endl |
171 | << "} : Close a planar surface" << endl |
172 | << "f : One vertex in a planar surface, specified CCW" << endl |
173 | << "! : Decrement segment diameter" << endl |
174 | << "\' : Increment current index to color table" << endl |
175 | << ", : Decrement current index to color table" << endl |
176 | << endl |
177 | << "Example:" << endl |
178 | << "F(0.33)=[+FL]F/[-FL]F!" << endl |
179 | << "F(0.33)=F[&&FL]F!" << endl |
180 | << "F(0.34)=F/[-FL]&&F!" << endl |
181 | << "L={,-f++f-|-f++f-'}"; |
182 | |
183 | _helpRulesMessageBox = new FXMessageBox(getApp(), "Rules", rulesHelpText.str().c_str(), NULL, MBOX_OK); |
184 | |
185 | |
186 | loadLSystem("lsystem.xml"); |
187 | } |
188 | |
189 | |
190 | |
191 | /** |
192 | * Destructor |
193 | */ |
194 | GUI::~GUI() |
195 | { |
196 | delete _fileMenuPane; |
197 | delete _helpMenuPane; |
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198 | } |
199 | |
200 | |
201 | |
202 | /** |
203 | * Create and initialize the window |
204 | */ |
205 | void GUI::create() |
206 | { |
207 | // create the window and make it appear |
208 | FXMainWindow::create(); |
209 | show(); |
210 | } |
211 | |
212 | |
213 | |
214 | /** |
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215 | * Called by the system when the "Generate" button is pressed |
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216 | * @param sender the sender object |
217 | * @param selector message type and id |
218 | * @param data event related data |
219 | * @return |
220 | */ |
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221 | long GUI::onGenerate(FXObject *sender, FXSelector selector, void *data) |
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222 | { |
223 | // clear L-system |
224 | _lsystem->clear(); |
225 | |
226 | |
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227 | // get user input form widgets |
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228 | |
229 | // axiom |
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230 | Rule axiom("axiom", _axiomTextField->getText().text(), 1.0); |
231 | _lsystem->setAxiom(axiom); |
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232 | |
233 | // rules |
234 | string ruleSet = _rulesText->getText().text(); |
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235 | string currentRule; |
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236 | for (int i = 0; i < ruleSet.size(); i++) |
237 | { |
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238 | if (ruleSet[i] != '\n') |
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239 | { |
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240 | // rule component |
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241 | currentRule += ruleSet[i]; |
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242 | |
243 | if (i == ruleSet.size() - 1) |
244 | { |
245 | // last char in whole rule string |
246 | _lsystem->setRule(Rule(currentRule)); |
247 | currentRule.clear(); |
248 | } |
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249 | } |
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250 | else |
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251 | { |
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252 | // last char in current rule |
253 | _lsystem->setRule(Rule(currentRule)); |
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254 | currentRule.clear(); |
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255 | } |
256 | } |
257 | |
258 | // angle |
259 | _lsystem->setAngle(_angleRealSpinner->getValue()); |
260 | |
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261 | // depth |
262 | _lsystem->setDepth(_depthSpinner->getValue()); |
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263 | |
264 | // diameter |
265 | _lsystem->setDiameter(_diameterRealSpinner->getValue()); |
266 | |
267 | // diameter factor |
268 | _lsystem->setDiameterFactor(_diameterFactorRealSpinner->getValue()); |
269 | |
270 | |
271 | // generate and render L-system to screen |
272 | _lsystem->generate(); |
273 | _renderingSurface->draw(); |
274 | } |
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275 | |
276 | |
277 | |
278 | /** |
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279 | * Called by the system when the File->Load menu command is selected |
280 | * @param sender the sender object |
281 | * @param selector message type and id |
282 | * @param data event related data |
283 | * @return |
284 | */ |
285 | long GUI::onLoad(FXObject *sender, FXSelector selector, void *data) |
286 | { |
287 | FXString loadFilename = FXFileDialog::getOpenFilename(this, "Load file...", "."); |
288 | |
289 | if (!loadFilename.empty()) |
290 | { |
291 | // load from disk |
292 | loadLSystem(loadFilename.text()); |
293 | } |
294 | } |
295 | |
296 | |
297 | |
298 | /** |
299 | * Called by the system when the File->Save menu command is selected |
300 | * @param sender the sender object |
301 | * @param selector message type and id |
302 | * @param data event related data |
303 | * @return |
304 | */ |
305 | long GUI::onSave(FXObject *sender, FXSelector selector, void *data) |
306 | { |
307 | FXString saveFilename = FXFileDialog::getSaveFilename(this, "Save file...", "."); |
308 | |
309 | if (FXStat::exists(saveFilename)) |
310 | { |
311 | // the file already exists |
312 | |
313 | if (MBOX_CLICKED_YES == FXMessageBox::question(this, MBOX_YES_NO, "Overwrite file", "Overwrite existing file?")) |
314 | { |
315 | // overwrite file |
316 | _lsystemParameters.save(_lsystem, saveFilename.text()); |
317 | } |
318 | } |
319 | else |
320 | { |
321 | // save to file |
322 | _lsystemParameters.save(_lsystem, saveFilename.text()); |
323 | } |
324 | } |
325 | |
326 | |
327 | |
328 | /** |
329 | * Called by the system when the close button or the File->Quit command item is selected |
330 | * @param sender the sender object |
331 | * @param selector message type and id |
332 | * @param data event related data |
333 | * @return |
334 | */ |
335 | long GUI::onQuit(FXObject *sender, FXSelector selector, void *data) |
336 | { |
337 | getApp()->exit(0); |
338 | |
339 | return 1; |
340 | } |
341 | |
342 | |
343 | |
344 | /** |
345 | * Called by the system when the Help->Usage menu command is selected |
346 | * @param sender the sender object |
347 | * @param selector message type and id |
348 | * @param data event related data |
349 | * @return |
350 | */ |
351 | long GUI::onHelpUsage(FXObject *sender, FXSelector selector, void *data) |
352 | { |
353 | _helpUsageMessageBox->show(PLACEMENT_OWNER); |
354 | } |
355 | |
356 | |
357 | |
358 | /** |
359 | * Called by the system when the Help->Rules menu command is selected |
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360 | * @param sender the sender object |
361 | * @param selector message type and id |
362 | * @param data event related data |
363 | * @return |
364 | */ |
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365 | long GUI::onHelpRules(FXObject *sender, FXSelector selector, void *data) |
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366 | { |
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367 | _helpRulesMessageBox->show(PLACEMENT_OWNER); |
368 | } |
369 | |
370 | |
371 | |
372 | /** |
373 | * Load L-system from file and sync with GUI |
374 | * @param filename path of the L-system file |
375 | */ |
376 | void GUI::loadLSystem(string filename) |
377 | { |
378 | // load from file |
379 | _lsystemParameters.load(_lsystem, filename); |
380 | |
381 | |
382 | // sync with GUI |
383 | |
384 | // axiom |
385 | _axiomTextField->setText(_lsystem->getAxiom().getContent().c_str()); |
386 | |
387 | // rules |
388 | rulemap rules = _lsystem->getRules().getRules(); |
389 | string rulesString; |
390 | for (rulemap::iterator it = rules.begin(); it != rules.end(); ++it) |
391 | { |
392 | rulesString += it->second.toString(); |
393 | rulesString += '\n'; |
394 | } |
395 | _rulesText->setText(rulesString.c_str(), rulesString.size()); |
396 | |
397 | // angle |
398 | _angleRealSpinner->setValue(_lsystem->getAngle()); |
399 | |
400 | // depth |
401 | _depthSpinner->setValue(_lsystem->getDepth()); |
402 | |
403 | // segment diameter |
404 | _diameterRealSpinner->setValue(_lsystem->getDiameter()); |
405 | |
406 | // segment diameter factor |
407 | _diameterFactorRealSpinner->setValue(_lsystem->getDiameterFactor()); |
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408 | } |