src/controlpanel.cpp

   1 /**
   2  * Definitions for Qt4 based control panel
   3  */
   4
   5 #include "controlpanel.h"
   6
   7 #ifndef CONTROLPANEL_DISABLED
   8
   9 #include "view.h"
  10 #include "screen.h"
  11 #include "document.h"
  12 #include <string>
  13 #include <algorithm>
  14
  15 using namespace std;
  16
  17 namespace IPDF
  18 {
  19
  20
  21 ControlPanel::ControlPanel(RunArgs & args, QWidget * p) : QMainWindow(p),
  22         m_view(args.view), m_doc(args.doc), m_screen(args.screen), m_width(300), m_height(300),
  23         m_state(ControlPanel::ABOUT), m_on_ok(NULL)
  24 {
  25         // Size
  26         resize(m_width,m_height);
  27
  28
  29         // Main menues
  30         CreateMainMenu();
  31         CreateViewMenu();
  32         CreateDocumentMenu();
  33         CreateScreenMenu();
  34
  35         CreateLayout();
  36
  37         UpdateAll();
  38 }
  39
  40 void ControlPanel::CreateLayout()
  41 {
  42         m_text_edit = new QTextEdit(this);
  43         m_text_edit->setGeometry(10,35,m_width-20,m_height-100);
  44
  45         m_ok_button = new QPushButton("OK", this);
  46         m_ok_button->setGeometry(10,35+m_height-90, m_width-20, 50);
  47         connect(m_ok_button, SIGNAL(clicked()), this, SLOT(PressOK()));
  48 }
  49
  50 QMenu * ControlPanel::CreateMainMenu()
  51 {
  52         QMenu * main = menuBar()->addMenu("&Main");
  53
  54         QAction * about = new QAction("&About", this);
  55         main->addAction(about);
  56         connect(about, SIGNAL(triggered()), this, SLOT(StateAbout()));
  57
  58
  59         // Quit entry
  60         QAction * quit = new QAction("&Quit", this);
  61         main->addAction(quit);
  62         connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
  63         return main;
  64 }
  65
  66 QMenu * ControlPanel::CreateDocumentMenu()
  67 {
  68         QMenu * document = menuBar()->addMenu("&Document");
  69
  70         m_document_set_font = new QAction("&Set Insertion Font", this);
  71         document->addAction(m_document_set_font);
  72         connect(m_document_set_font, SIGNAL(triggered()), this, SLOT(SetDocumentFont()));
  73
  74         m_document_insert_text = new QAction("&Insert Text", this);
  75         document->addAction(m_document_insert_text);
  76         connect(m_document_insert_text, SIGNAL(triggered()), this, SLOT(StateInsertText()));
  77
  78         m_document_load_svg = new QAction("&Load SVG From File", this);
  79         document->addAction(m_document_load_svg);
  80         connect(m_document_load_svg, SIGNAL(triggered()), this, SLOT(LoadSVGIntoDocument()));
  81
  82         m_document_parse_svg = new QAction("&Input SVG Manually", this);
  83         document->addAction(m_document_parse_svg);
  84         connect(m_document_parse_svg, SIGNAL(triggered()), this, SLOT(StateParseSVG()));
  85
  86
  87         return document;
  88 }
  89
  90 QMenu * ControlPanel::CreateViewMenu()
  91 {
  92         QMenu * view = menuBar()->addMenu("&View");
  93
  94         m_view_set_bounds = new QAction("&Set bounds", this);
  95         view->addAction(m_view_set_bounds);
  96         connect(m_view_set_bounds, SIGNAL(triggered()), this, SLOT(SetViewBounds()));
  97
  98         m_view_show_bezier_bounds = new QAction("&Show Bezier Bounds", this);
  99         m_view_show_bezier_bounds->setCheckable(true);
 100         view->addAction(m_view_show_bezier_bounds);
 101         connect(m_view_show_bezier_bounds, SIGNAL(triggered()), this, SLOT(ToggleShowBezierBounds()));
 102
 103         m_view_show_bezier_type = new QAction("&Show Bezier Type", this);
 104         m_view_show_bezier_type->setCheckable(true);
 105         view->addAction(m_view_show_bezier_type);
 106         connect(m_view_show_bezier_type, SIGNAL(triggered()), this, SLOT(ToggleShowBezierType()));
 107
 108         m_view_show_fill_bounds = new QAction("&Show Fill Bounds", this);
 109         m_view_show_fill_bounds->setCheckable(true);
 110         view->addAction(m_view_show_fill_bounds);
 111         connect(m_view_show_fill_bounds, SIGNAL(triggered()), this, SLOT(ToggleShowFillBounds()));
 112
 113         m_view_show_fill_points = new QAction("&Show Fill Points", this);
 114         m_view_show_fill_points->setCheckable(true);
 115         view->addAction(m_view_show_fill_points);
 116         connect(m_view_show_fill_bounds, SIGNAL(triggered()), this, SLOT(ToggleShowFillPoints()));
 117
 118         m_view_enable_shading = new QAction("&Enable Shading", this);
 119         m_view_enable_shading->setCheckable(true);
 120         view->addAction(m_view_enable_shading);
 121         connect(m_view_enable_shading, SIGNAL(triggered()), this, SLOT(ToggleEnableShading()));
 122
 123         return view;
 124 }
 125
 126
 127
 128 QMenu * ControlPanel::CreateScreenMenu()
 129 {
 130         QMenu * screen = menuBar()->addMenu("&Screen");
 131
 132         m_screen_gpu_rendering = new QAction("&GPU Rendering", this);
 133         m_screen_gpu_rendering->setCheckable(true);
 134         m_screen_gpu_rendering->setToolTip("Uses the GPU for Rendering");
 135
 136         m_screen_cpu_rendering = new QAction("&CPU Rendering", this);
 137         m_screen_cpu_rendering->setCheckable(true);
 138         m_screen_gpu_rendering->setToolTip("Uses the CPU for Rendering");
 139
 140         screen->addAction(m_screen_gpu_rendering);
 141         screen->addAction(m_screen_cpu_rendering);
 142
 143         connect(m_screen_gpu_rendering, SIGNAL(triggered()), this, SLOT(SetGPURendering()));
 144         connect(m_screen_cpu_rendering, SIGNAL(triggered()), this, SLOT(SetCPURendering()));
 145
 146         m_screen_show_debug = new QAction("&Print Debug Info", this);
 147         m_screen_show_debug->setCheckable(true);
 148
 149         screen->addAction(m_screen_show_debug);
 150         connect(m_screen_show_debug, SIGNAL(triggered()), this, SLOT(ToggleScreenDebugFont()));
 151
 152         return screen;
 153 }
 154
 155 void ControlPanel::paintEvent(QPaintEvent * e)
 156 {
 157 //      Debug("Called");
 158
 159 }
 160
 161 void ControlPanel::ChangeState(State next_state)
 162 {
 163         m_state = next_state;
 164         UpdateAll();
 165 }
 166
 167
 168 void ControlPanel::UpdateAll()
 169 {
 170         bool using_gpu_rendering = m_view.UsingGPURendering();
 171         m_screen_gpu_rendering->setChecked(using_gpu_rendering);
 172         m_screen_cpu_rendering->setChecked(!using_gpu_rendering);
 173         m_screen_show_debug->setChecked(m_screen.DebugFontShown());
 174
 175         m_view_show_bezier_bounds->setChecked(m_view.ShowingBezierBounds());
 176         m_view_show_bezier_type->setChecked(m_view.ShowingBezierType());
 177         m_view_show_fill_bounds->setChecked(m_view.ShowingFillBounds());
 178         m_view_show_fill_points->setChecked(m_view.ShowingFillPoints());
 179         m_view_enable_shading->setChecked(m_view.PerformingShading());
 180
 181
 182         // update things based on state
 183         const char * title;
 184         const char * tooltip;
 185         switch (m_state)
 186         {
 187                 case INSERT_TEXT:
 188                         title = "Insert Text";
 189                         tooltip = "Type text to insert, press OK, simple.";
 190                         m_text_edit->show();
 191                         m_ok_button->show();
 192                         m_on_ok = &ControlPanel::InsertTextIntoDocument;
 193                         if (m_text_edit->toPlainText() == "")
 194                                 m_text_edit->setText("The quick brown\nfox jumps over\nthe lazy dog.");
 195                         break;
 196                 case PARSE_SVG:
 197                         title = "Parse SVG";
 198                         tooltip = "Enter valid SVG and press OK to insert.";
 199                         m_text_edit->show();
 200                         m_ok_button->show();
 201                         m_on_ok = &ControlPanel::InsertSVGIntoDocument;
 202                         if (m_text_edit->toPlainText() == "")
 203                                 m_text_edit->setText("<svg width=\"104\" height=\"186\">\n<path d = \"m 57,185\n\t c 0,0 57,-13 32,-43\n\t -25,-30 -53,2 -25, -30\n\t 28,-32 52,17 28,-32\n\t -24,-50 -16,44 -35,12\n\t-19,-32 13,-64 13,-64\n\t 0,0 40,-50 -0,-14\n\t -40,36 -94,68 -59,109\n\t 35,41 45,62 45,62 z\"/>\n</svg>");
 204
 205                         break;
 206                 case ABOUT:
 207                 default:
 208                         title = "IPDF Control Panel";
 209                         tooltip = "This is the IPDF Control Panel\nDo you feel in control?";
 210                         m_text_edit->hide();
 211                         m_ok_button->hide();
 212                         m_on_ok = NULL;
 213                         break;
 214         }
 215
 216         // Title
 217         setWindowTitle(title);
 218         // Tooltip
 219         setToolTip(tooltip);
 220 }
 221
 222 void ControlPanel::ToggleShowBezierBounds()
 223 {
 224         bool state = m_view.ShowingBezierBounds();
 225         m_view.ShowBezierBounds(!state);
 226         UpdateAll();
 227 }
 228 void ControlPanel::ToggleShowBezierType()
 229 {
 230         bool state = m_view.ShowingBezierType();
 231         m_view.ShowBezierType(!state);
 232         UpdateAll();
 233 }
 234 void ControlPanel::ToggleShowFillBounds()
 235 {
 236         bool state = m_view.ShowingFillBounds();
 237         m_view.ShowFillBounds(!state);
 238         UpdateAll();
 239 }
 240
 241 void ControlPanel::ToggleShowFillPoints()
 242 {
 243         bool state = m_view.ShowingFillPoints();
 244         m_view.ShowFillPoints(!state);
 245         UpdateAll();
 246 }
 247
 248 void ControlPanel::ToggleEnableShading()
 249 {
 250         bool state = m_view.PerformingShading();
 251         m_view.PerformShading(!state);
 252         UpdateAll();
 253 }
 254
 255 void ControlPanel::SetGPURendering()
 256 {
 257         m_view.SetGPURendering(true);
 258         UpdateAll();
 259 }
 260
 261 void ControlPanel::SetCPURendering()
 262 {
 263         m_view.SetGPURendering(false);
 264         UpdateAll();
 265 }
 266
 267 void ControlPanel::ToggleScreenDebugFont()
 268 {
 269         bool state = m_screen.DebugFontShown();
 270         m_screen.ShowDebugFont(!state);
 271         UpdateAll();
 272
 273 }
 274
 275 void ControlPanel::SetViewBounds()
 276 {
 277         bool ok;
 278         Real xx = QInputDialog::getDouble(this, "View X Coordinate", "Enter X coordinate:", 0, -2e-30, 2e30,30,&ok);
 279
 280         Real yy = QInputDialog::getDouble(this, "View Y Coordinate", "Enter Y coordinate:", 0, -2e-30, 2e30,30,&ok);
 281
 282         Real w = QInputDialog::getDouble(this, "View Width", "Enter Width:", 1, -2e-30, 2e30,30,&ok);
 283
 284         Real h = QInputDialog::getDouble(this, "View Height", "Enter Height:", 1, -2e-30, 2e30,30,&ok);
 285         m_view.SetBounds(Rect(xx,yy,w,h));
 286
 287 }
 288
 289 void ControlPanel::InsertTextIntoDocument()
 290 {
 291         const Rect & bounds = m_view.GetBounds();
 292         Real xx = bounds.x;
 293         Real yy = bounds.y + bounds.h/Real(2);
 294
 295         string msg = m_text_edit->toPlainText().toStdString();
 296         Real scale = bounds.h / Real(2);
 297         Debug("Insert \"%s\" at %f, %f, scale %f", msg.c_str(), Float(xx), Float(yy), Float(scale));
 298         m_doc.AddText(msg, scale, xx, yy);
 299         m_view.ForceRenderDirty();
 300         m_view.ForceBufferDirty();
 301         m_view.ForceBoundsDirty();
 302 }
 303 void ControlPanel::InsertSVGIntoDocument()
 304 {
 305         Rect bounds(m_view.GetBounds());
 306         bounds.w /= Real(m_screen.ViewportWidth());
 307         bounds.h /= Real(m_screen.ViewportHeight());
 308
 309         m_doc.ParseSVG(m_text_edit->toPlainText().toStdString(), bounds);
 310         m_view.ForceRenderDirty();
 311         m_view.ForceBufferDirty();
 312         m_view.ForceBoundsDirty();
 313 }
 314
 315 void ControlPanel::LoadSVGIntoDocument()
 316 {
 317
 318         QString filename = QFileDialog::getOpenFileName(this, "Open SVG", "svg-tests", "Image Files (*.svg)");
 319         if (filename == "")
 320                 return;
 321
 322         Rect bounds(m_view.GetBounds());
 323         bounds.w /= Real(m_screen.ViewportWidth());
 324         bounds.h /= Real(m_screen.ViewportHeight());
 325
 326         m_doc.LoadSVG(filename.toStdString(), bounds);
 327         m_view.ForceRenderDirty();
 328         m_view.ForceBufferDirty();
 329         m_view.ForceBoundsDirty();
 330 }
 331
 332 void ControlPanel::SetDocumentFont()
 333 {
 334         QString filename = QFileDialog::getOpenFileName(this, "Set Font", "fonts", "True Type Fonts (*.ttf)");
 335         if (filename != "")
 336                 m_doc.SetFont(filename.toStdString());
 337 }
 338
 339 ControlPanel * ControlPanel::g_panel = NULL;
 340
 341 int ControlPanel::Run(void * args)
 342 {
 343         ControlPanel::RunArgs * a = (ControlPanel::RunArgs*)args;
 344         QApplication app(a->argc, a->argv);
 345         g_panel = new ControlPanel(*a);
 346         g_panel->show();
 347         int result = app.exec();
 348         a->screen.RequestQuit();
 349         delete g_panel;
 350         return result;
 351 }
 352
 353
 354 }
 355
 356 #endif //CONTROLPANEL_ENABLED
 357