Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawtext.cpp

   1 // actiondrawtext.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  05/28/2010  Added this text. :-)
  15 // JLH  05/28/2010  Fixed crashing bug when right-clicking out of a text
  16 //                  preview.
  17 //
  18
  19 #include "actiondrawtext.h"
  20
  21 #include "commandevent.h"
  22 #include "debug.h"
  23 #include "dialogfactory.h"
  24 #include "graphicview.h"
  25 #include "preview.h"
  26
  27 ActionDrawText::ActionDrawText(EntityContainer & container, GraphicView & graphicView): ActionInterface("Draw Text", container, graphicView)
  28 {
  29         pos = Vector(false);
  30         textChanged = true;
  31 }
  32
  33 ActionDrawText::~ActionDrawText()
  34 {
  35 }
  36
  37 /*virtual*/ RS2::ActionType ActionDrawText::rtti()
  38 {
  39         return RS2::ActionDrawText;
  40 }
  41
  42 void ActionDrawText::init(int status)
  43 {
  44         ActionInterface::init(status);
  45
  46         if (DIALOGFACTORY == NULL)
  47                 return;
  48
  49         switch (status)
  50         {
  51         case ShowDialog:
  52         {
  53                 clearPreview();
  54                 reset();
  55
  56                 Text tmp(NULL, data);
  57
  58                 if (DIALOGFACTORY->requestTextDialog(&tmp))
  59                 {
  60                         data = tmp.getData();
  61                         preparePreview();
  62 //                      preview->setVisible(false);
  63
  64                         setStatus(SetPos);
  65                         showOptions();
  66                 }
  67                 else
  68                 {
  69                         hideOptions();
  70                         finish();
  71                 }
  72
  73                 graphicView->redraw();
  74         }
  75         break;
  76
  77         case SetPos:
  78                 DIALOGFACTORY->requestOptions(this, true, true);
  79                 break;
  80
  81         default:
  82                 break;
  83         }
  84 }
  85
  86 void ActionDrawText::reset()
  87 {
  88         data = TextData(Vector(0.0, 0.0), 1.0, 100.0, RS2::VAlignTop,
  89                 RS2::HAlignLeft, RS2::LeftToRight, RS2::Exact, 1.0, data.text,
  90                 "standard", 0.0, RS2::Update);
  91 }
  92
  93 void ActionDrawText::trigger()
  94 {
  95         DEBUG->print("ActionDrawText::trigger()");
  96
  97         if (pos.valid)
  98         {
  99 //removing *this* causes previews not to be drawn correctly...
 100                 deletePreview();
 101                 clearPreview();
 102                 deleteSnapper();
 103
 104                 Text * text = new Text(container, data);
 105                 text->update();
 106                 container->addEntity(text);
 107
 108                 if (document)
 109                 {
 110                         document->startUndoCycle();
 111                         document->addUndoable(text);
 112                         document->endUndoCycle();
 113                 }
 114
 115 //Can't be done...
 116 //              graphicView->drawEntity(text);
 117
 118                 textChanged = true;
 119                 setStatus(SetPos);
 120         }
 121 }
 122
 123 void ActionDrawText::preparePreview()
 124 {
 125 /*      clearPreview();
 126         data.insertionPoint = Vector(0.0, 0.0);
 127         Text * text = new Text(preview, data);
 128         text->update();
 129         preview->addEntity(text);
 130         textChanged = false;*/
 131 }
 132
 133 void ActionDrawText::mouseMoveEvent(QMouseEvent * e)
 134 {
 135         DEBUG->print("ActionDrawText::mouseMoveEvent begin");
 136
 137         if (getStatus() == SetPos)
 138         {
 139                 Vector mouse = snapPoint(e);
 140                 pos = mouse;
 141
 142 //without this, nothing is shown...
 143 //Which shows that the preview rendering pipeline is seriously fucked up.
 144 //Need to fix this shit!
 145                 deletePreview();
 146
 147                 if (textChanged)
 148                         preparePreview();
 149
 150 //              if (!preview->isVisible())
 151 //                      preview->setVisible(true);
 152 //
 153 //              offset = Vector(graphicView->toGuiDX(pos.x), -graphicView->toGuiDY(pos.y));
 154                 drawPreview();
 155         }
 156
 157         DEBUG->print("ActionDrawText::mouseMoveEvent end");
 158 }
 159
 160 void ActionDrawText::mouseReleaseEvent(QMouseEvent * e)
 161 {
 162         if (e->button() == Qt::LeftButton)
 163         {
 164                 Vector ce(snapPoint(e));
 165                 coordinateEvent(&ce);
 166         }
 167         else if (e->button() == Qt::RightButton)
 168         {
 169 // The problem is that even though the preview entity has been deleted, the rendering
 170 // pipeline still thinks it's valid (because it's not NULL).
 171 //              deletePreview();
 172 //              deleteSnapper();
 173                 //init(getStatus()-1);
 174 //Clear the preview entity so something else doesn't try to draw it after it's
 175 //been deleted, then redraw the graphicView...
 176                 clearPreview();
 177                 graphicView->redraw();
 178                 finish();
 179         }
 180 }
 181
 182 void ActionDrawText::coordinateEvent(Vector * e)
 183 {
 184         if (e == NULL)
 185                 return;
 186
 187         Vector mouse = *e;
 188
 189         switch (getStatus())
 190         {
 191         case ShowDialog:
 192                 break;
 193
 194         case SetPos:
 195                 data.insertionPoint = mouse;
 196                 trigger();
 197                 break;
 198
 199         default:
 200                 break;
 201         }
 202 }
 203
 204 void ActionDrawText::commandEvent(CommandEvent * e)
 205 {
 206         QString c = e->getCommand().toLower();
 207
 208         if (checkCommand("help", c))
 209         {
 210                 if (DIALOGFACTORY != NULL)
 211                         DIALOGFACTORY->commandMessage(msgAvailableCommands()
 212                                 + getAvailableCommands().join(", "));
 213                 return;
 214         }
 215
 216         switch (getStatus())
 217         {
 218         case SetPos:
 219
 220                 if (checkCommand("text", c))
 221                 {
 222                         deleteSnapper();
 223                         deletePreview();
 224                         clearPreview();
 225                         graphicView->disableCoordinateInput();
 226                         setStatus(SetText);
 227                 }
 228
 229                 break;
 230
 231         case SetText:
 232                 setText(e->getCommand());
 233
 234                 if (DIALOGFACTORY)
 235                         DIALOGFACTORY->requestOptions(this, true, true);
 236
 237                 graphicView->enableCoordinateInput();
 238                 setStatus(SetPos);
 239                 break;
 240
 241         default:
 242                 break;
 243         }
 244 }
 245
 246 QStringList ActionDrawText::getAvailableCommands()
 247 {
 248         QStringList cmd;
 249
 250         if (getStatus() == SetPos)
 251                 cmd += command("text");
 252
 253         return cmd;
 254 }
 255
 256 void ActionDrawText::showOptions()
 257 {
 258         ActionInterface::showOptions();
 259
 260         if (DIALOGFACTORY)
 261                 DIALOGFACTORY->requestOptions(this, true, true);
 262 }
 263
 264 void ActionDrawText::hideOptions()
 265 {
 266         ActionInterface::hideOptions();
 267
 268         if (DIALOGFACTORY)
 269                 DIALOGFACTORY->requestOptions(this, false);
 270 }
 271
 272 void ActionDrawText::updateMouseButtonHints()
 273 {
 274         if (!DIALOGFACTORY)
 275                 return;
 276
 277         switch (getStatus())
 278         {
 279         case SetPos:
 280                 DIALOGFACTORY->updateMouseWidget(tr("Specify insertion point"), tr("Cancel"));
 281                 break;
 282
 283         case SetText:
 284                 DIALOGFACTORY->updateMouseWidget(tr("Enter text:"), tr("Back"));
 285                 break;
 286
 287         default:
 288                 DIALOGFACTORY->updateMouseWidget("", "");
 289                 break;
 290         }
 291 }
 292
 293 void ActionDrawText::updateMouseCursor()
 294 {
 295         graphicView->setMouseCursor(RS2::CadCursor);
 296 }
 297
 298 void ActionDrawText::updateToolBar()
 299 {
 300         if (!DIALOGFACTORY)
 301                 return;
 302
 303         switch (getStatus())
 304         {
 305         case SetPos:
 306                 DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 307                 break;
 308
 309         default:
 310                 DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
 311                 break;
 312         }
 313 }
 314
 315 void ActionDrawText::setText(const QString & t)
 316 {
 317         data.text = t;
 318         textChanged = true;
 319 }
 320
 321 QString ActionDrawText::getText()
 322 {
 323         return data.text;
 324 }
 325
 326 void ActionDrawText::setAngle(double a)
 327 {
 328         data.angle = a;
 329         textChanged = true;
 330 }
 331
 332 double ActionDrawText::getAngle()
 333 {
 334         return data.angle;
 335 }