src/controlpanel.h

   1 /**
   2  * Declarations for Qt4 based control panel
   3  */
   4 #ifndef _CONTROLPANEL_H
   5 #define _CONTROLPANEL_H
   6
   7 //#define CONTROLPANEL_DISABLED // To turn off the control panel
   8
   9 #ifndef CONTROLPANEL_DISABLED
  10
  11
  12 #include <QPushButton>
  13 #include <QMainWindow>
  14 #include <QWidget>
  15 #include <QAction>
  16 #include <QMenu>
  17 #include <QMenuBar>
  18 #include <QApplication>
  19 #include <QTextEdit>
  20 #include <QInputDialog>
  21 #include <QFileDialog>
  22
  23
  24 namespace IPDF
  25 {
  26         class View;
  27         class Document;
  28         class Screen;
  29
  30         /**
  31          * Class to manage Qt control panel
  32          * Should be a singleton from the point of view of View, Document, Screen
  33          *  - Just call "Update"
  34          */
  35         class ControlPanel : public QMainWindow
  36         {
  37                 Q_OBJECT // Having this causes shit about undefined vtables
  38                                 // Not having it means things break
  39                                 // Apparently you need "qmake" to build qt applications
  40                                 // Or some bullshit -_-
  41                 public:
  42                         struct RunArgs
  43                         {
  44                                 int argc;
  45                                 char ** argv;
  46                                 View & view;
  47                                 Document & doc;
  48                                 Screen & screen;
  49                         };
  50
  51                         static int Run(void * args);
  52                         static void Update() {if (g_panel != NULL) g_panel->UpdateAll();}
  53
  54                 private:
  55                         typedef enum {
  56                                 ABOUT,
  57                                 INSERT_TEXT,
  58                                 PARSE_SVG
  59                         } State;
  60
  61                 private slots:
  62                         void SetGPURendering();
  63                         void SetCPURendering();
  64                         void ToggleShowObjectBounds();
  65                         void ToggleScreenDebugFont();
  66                         void ToggleEnableShading();
  67                         void SetViewBounds();
  68                         void LoadSVGIntoDocument();
  69                         void SetDocumentFont();
  70                         void StateInsertText() {ChangeState(INSERT_TEXT);}
  71                         void StateAbout() {ChangeState(ABOUT);}
  72                         void StateParseSVG() {ChangeState(PARSE_SVG);}
  73                         void PressOK() {if (m_on_ok != NULL) (this->*m_on_ok)();}
  74
  75                 private:
  76                         static ControlPanel * g_panel;
  77                         void paintEvent(QPaintEvent * e);
  78                         ControlPanel(RunArgs & a, QWidget * p = NULL);
  79                         virtual ~ControlPanel() {}
  80                         void UpdateAll();
  81                         void ChangeState(State next_state);
  82                         View & m_view;
  83                         Document & m_doc;
  84                         Screen & m_screen;
  85
  86                         int m_width;
  87                         int m_height;
  88
  89
  90                         State m_state;
  91
  92                         QMenu * CreateMainMenu();
  93                         QMenu * CreateViewMenu();
  94                         QMenu * CreateDocumentMenu();
  95                         QMenu * CreateScreenMenu();
  96                         void CreateLayout();
  97
  98                         void InsertTextIntoDocument();
  99                         void InsertSVGIntoDocument();
 100
 101                         QAction * m_screen_gpu_rendering;
 102                         QAction * m_screen_cpu_rendering;
 103                         QAction * m_screen_show_debug;
 104
 105                         QAction * m_document_set_font;
 106                         QAction * m_document_insert_text;
 107                         QAction * m_document_parse_svg;
 108                         QAction * m_document_load_svg;
 109                         QAction * m_view_set_bounds;
 110                         QAction * m_view_show_object_bounds;
 111                         QAction * m_view_enable_shading;
 112
 113
 114                         QTextEdit * m_text_edit;
 115                         QPushButton * m_ok_button;
 116
 117                         void (ControlPanel::* m_on_ok)();
 118
 119
 120         };
 121
 122 }
 123
 124 #endif //CONTROLPANEL_DISABLED
 125
 126 #endif //_CONTROLPANEL_H