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