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_object_bounds = new QAction("&Show Object Bounds", this);
  99         m_view_show_object_bounds->setCheckable(true);
 100         view->addAction(m_view_show_object_bounds);
 101         connect(m_view_show_object_bounds, SIGNAL(triggered()), this, SLOT(ToggleShowObjectBounds()));
 102
 103         m_view_enable_shading = new QAction("&Enable Shading", this);
 104         m_view_enable_shading->setCheckable(true);
 105         view->addAction(m_view_enable_shading);
 106         connect(m_view_enable_shading, SIGNAL(triggered()), this, SLOT(ToggleEnableShading()));
 107
 108         return view;
 109 }
 110
 111
 112
 113 QMenu * ControlPanel::CreateScreenMenu()
 114 {
 115         QMenu * screen = menuBar()->addMenu("&Screen");
 116
 117         m_screen_gpu_rendering = new QAction("&GPU Rendering", this);
 118         m_screen_gpu_rendering->setCheckable(true);
 119         m_screen_gpu_rendering->setToolTip("Uses the GPU for Rendering");
 120
 121         m_screen_cpu_rendering = new QAction("&CPU Rendering", this);
 122         m_screen_cpu_rendering->setCheckable(true);
 123         m_screen_gpu_rendering->setToolTip("Uses the CPU for Rendering");
 124
 125         screen->addAction(m_screen_gpu_rendering);
 126         screen->addAction(m_screen_cpu_rendering);
 127
 128         connect(m_screen_gpu_rendering, SIGNAL(triggered()), this, SLOT(SetGPURendering()));
 129         connect(m_screen_cpu_rendering, SIGNAL(triggered()), this, SLOT(SetCPURendering()));
 130
 131         m_screen_show_debug = new QAction("&Print Debug Info", this);
 132         m_screen_show_debug->setCheckable(true);
 133
 134         screen->addAction(m_screen_show_debug);
 135         connect(m_screen_show_debug, SIGNAL(triggered()), this, SLOT(ToggleScreenDebugFont()));
 136
 137         return screen;
 138 }
 139
 140 void ControlPanel::paintEvent(QPaintEvent * e)
 141 {
 142 //      Debug("Called");
 143
 144 }
 145
 146 void ControlPanel::ChangeState(State next_state)
 147 {
 148         m_state = next_state;
 149         UpdateAll();
 150 }
 151
 152
 153 void ControlPanel::UpdateAll()
 154 {
 155         bool using_gpu_rendering = m_view.UsingGPURendering();
 156         m_screen_gpu_rendering->setChecked(using_gpu_rendering);
 157         m_screen_cpu_rendering->setChecked(!using_gpu_rendering);
 158         m_screen_show_debug->setChecked(m_screen.DebugFontShown());
 159
 160         m_view_show_object_bounds->setChecked(m_view.ShowingObjectBounds());
 161         m_view_enable_shading->setChecked(m_view.PerformingShading());
 162
 163         // update things based on state
 164         const char * title;
 165         const char * tooltip;
 166         switch (m_state)
 167         {
 168                 case INSERT_TEXT:
 169                         title = "Insert Text";
 170                         tooltip = "Type text to insert, press OK, simple.";
 171                         m_text_edit->show();
 172                         m_ok_button->show();
 173                         m_on_ok = &ControlPanel::InsertTextIntoDocument;
 174                         if (m_text_edit->toPlainText() == "")
 175                                 m_text_edit->setText("The quick brown\nfox jumps over\nthe lazy dog.");
 176                         break;
 177                 case PARSE_SVG:
 178                         title = "Parse SVG";
 179                         tooltip = "Enter valid SVG and press OK to insert.";
 180                         m_text_edit->show();
 181                         m_ok_button->show();
 182                         m_on_ok = &ControlPanel::InsertSVGIntoDocument;
 183                         if (m_text_edit->toPlainText() == "")
 184                                 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>");
 185
 186                         break;
 187                 case ABOUT:
 188                 default:
 189                         title = "IPDF Control Panel";
 190                         tooltip = "This is the IPDF Control Panel\nDo you feel in control?";
 191                         m_text_edit->hide();
 192                         m_ok_button->hide();
 193                         m_on_ok = NULL;
 194                         break;
 195         }
 196
 197         // Title
 198         setWindowTitle(title);
 199         // Tooltip
 200         setToolTip(tooltip);
 201 }
 202
 203 void ControlPanel::ToggleShowObjectBounds()
 204 {
 205         bool state = m_view.ShowingObjectBounds();
 206         m_view.ShowObjectBounds(!state);
 207         UpdateAll();
 208 }
 209
 210 void ControlPanel::ToggleEnableShading()
 211 {
 212         bool state = m_view.PerformingShading();
 213         m_view.PerformShading(!state);
 214         UpdateAll();
 215 }
 216
 217 void ControlPanel::SetGPURendering()
 218 {
 219         m_view.SetGPURendering(true);
 220         UpdateAll();
 221 }
 222
 223 void ControlPanel::SetCPURendering()
 224 {
 225         m_view.SetGPURendering(false);
 226         UpdateAll();
 227 }
 228
 229 void ControlPanel::ToggleScreenDebugFont()
 230 {
 231         bool state = m_screen.DebugFontShown();
 232         m_screen.ShowDebugFont(!state);
 233         UpdateAll();
 234
 235 }
 236
 237 void ControlPanel::SetViewBounds()
 238 {
 239         bool ok;
 240         Real xx = QInputDialog::getDouble(this, "View X Coordinate", "Enter X coordinate:", 0, -2e-30, 2e30,30,&ok);
 241
 242         Real yy = QInputDialog::getDouble(this, "View Y Coordinate", "Enter Y coordinate:", 0, -2e-30, 2e30,30,&ok);
 243
 244         Real w = QInputDialog::getDouble(this, "View Width", "Enter Width:", 1, -2e-30, 2e30,30,&ok);
 245
 246         Real h = QInputDialog::getDouble(this, "View Height", "Enter Height:", 1, -2e-30, 2e30,30,&ok);
 247         m_view.SetBounds(Rect(xx,yy,w,h));
 248
 249 }
 250
 251 void ControlPanel::InsertTextIntoDocument()
 252 {
 253         const Rect & bounds = m_view.GetBounds();
 254         Real xx = bounds.x;
 255         Real yy = bounds.y + bounds.h/Real(2);
 256
 257         string msg = m_text_edit->toPlainText().toStdString();
 258         Real scale = bounds.h / Real(2);
 259         Debug("Insert \"%s\" at %f, %f, scale %f", msg.c_str(), Float(xx), Float(yy), Float(scale));
 260         m_doc.AddText(msg, scale, xx, yy);
 261         m_view.ForceRenderDirty();
 262         m_view.ForceBufferDirty();
 263         m_view.ForceBoundsDirty();
 264 }
 265 void ControlPanel::InsertSVGIntoDocument()
 266 {
 267         Rect bounds(m_view.GetBounds());
 268         bounds.w /= Real(m_screen.ViewportWidth());
 269         bounds.h /= Real(m_screen.ViewportHeight());
 270
 271         m_doc.ParseSVG(m_text_edit->toPlainText().toStdString(), bounds);
 272         m_view.ForceRenderDirty();
 273         m_view.ForceBufferDirty();
 274         m_view.ForceBoundsDirty();
 275 }
 276
 277 void ControlPanel::LoadSVGIntoDocument()
 278 {
 279
 280         QString filename = QFileDialog::getOpenFileName(this, "Open SVG", "svg-tests", "Image Files (*.svg)");
 281         if (filename == "")
 282                 return;
 283
 284         Rect bounds(m_view.GetBounds());
 285         bounds.w /= Real(m_screen.ViewportWidth());
 286         bounds.h /= Real(m_screen.ViewportHeight());
 287
 288         m_doc.LoadSVG(filename.toStdString(), bounds);
 289         m_view.ForceRenderDirty();
 290         m_view.ForceBufferDirty();
 291         m_view.ForceBoundsDirty();
 292 }
 293
 294 void ControlPanel::SetDocumentFont()
 295 {
 296         QString filename = QFileDialog::getOpenFileName(this, "Set Font", "fonts", "True Type Fonts (*.ttf)");
 297         if (filename != "")
 298                 m_doc.SetFont(filename.toStdString());
 299 }
 300
 301 ControlPanel * ControlPanel::g_panel = NULL;
 302
 303 int ControlPanel::Run(void * args)
 304 {
 305         ControlPanel::RunArgs * a = (ControlPanel::RunArgs*)args;
 306         QApplication app(a->argc, a->argv);
 307         g_panel = new ControlPanel(*a);
 308         g_panel->show();
 309         int result = app.exec();
 310         a->screen.RequestQuit();
 311         delete g_panel;
 312         return result;
 313 }
 314
 315
 316 }
 317
 318 #endif //CONTROLPANEL_ENABLED
 319