pdf/xpdf/XPDFViewer.h

   1 //========================================================================
   2 //
   3 // XPDFViewer.h
   4 //
   5 // Copyright 2002 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #ifndef XPDFVIEWER_H
  10 #define XPDFVIEWER_H
  11
  12 #include <aconf.h>
  13
  14 #ifdef USE_GCC_PRAGMAS
  15 #pragma interface
  16 #endif
  17
  18 #define Object XtObject
  19 #include <Xm/XmAll.h>
  20 #undef Object
  21 #include "gtypes.h"
  22 #include "XPDFCore.h"
  23
  24 #if XmVERSION <= 1
  25 #define DISABLE_OUTLINE
  26 #endif
  27
  28 class GString;
  29 class GList;
  30 class UnicodeMap;
  31 class LinkDest;
  32 class XPDFApp;
  33
  34 //------------------------------------------------------------------------
  35 // XPDFViewer
  36 //------------------------------------------------------------------------
  37
  38 class XPDFViewer {
  39 public:
  40
  41   XPDFViewer(XPDFApp *appA, GString *fileName,
  42              int pageA, GString *destName,
  43              GString *ownerPassword, GString *userPassword);
  44   GBool isOk() { return ok; }
  45   ~XPDFViewer();
  46
  47   void open(GString *fileName, int pageA, GString *destName);
  48   void clear();
  49   void reloadFile();
  50
  51   Widget getWindow() { return win; }
  52
  53 private:
  54
  55   //----- load / display
  56   GBool loadFile(GString *fileName, GString *ownerPassword = NULL,
  57                  GString *userPassword = NULL);
  58   void displayPage(int pageA, int zoomA, int rotateA,
  59                    GBool scrollToTop, GBool addToHist);
  60   void displayDest(LinkDest *dest, int zoomA, int rotateA,
  61                    GBool addToHist);
  62   void getPageAndDest(int pageA, GString *destName,
  63                       int *pageOut, LinkDest **destOut);
  64
  65   //----- password dialog
  66   static GString *reqPasswordCbk(void *data, GBool again);
  67
  68   //----- actions
  69   static void actionCbk(void *data, char *action);
  70
  71   //----- keyboard/mouse input
  72   static void keyPressCbk(void *data, char *s, KeySym key,
  73                           Guint modifiers);
  74   static void mouseCbk(void *data, XEvent *event);
  75
  76   //----- GUI code: main window
  77   void initWindow();
  78   void mapWindow();
  79   void closeWindow();
  80   Widget getZoomMenuBtn(int z);
  81   static void prevPageCbk(Widget widget, XtPointer ptr,
  82                           XtPointer callData);
  83   static void prevTenPageCbk(Widget widget, XtPointer ptr,
  84                              XtPointer callData);
  85   static void nextPageCbk(Widget widget, XtPointer ptr,
  86                           XtPointer callData);
  87   static void nextTenPageCbk(Widget widget, XtPointer ptr,
  88                              XtPointer callData);
  89   static void backCbk(Widget widget, XtPointer ptr,
  90                       XtPointer callData);
  91   static void forwardCbk(Widget widget, XtPointer ptr,
  92                          XtPointer callData);
  93   static void zoomMenuCbk(Widget widget, XtPointer ptr,
  94                           XtPointer callData);
  95   static void findCbk(Widget widget, XtPointer ptr,
  96                       XtPointer callData);
  97   static void printCbk(Widget widget, XtPointer ptr,
  98                        XtPointer callData);
  99   static void aboutCbk(Widget widget, XtPointer ptr,
 100                        XtPointer callData);
 101   static void quitCbk(Widget widget, XtPointer ptr,
 102                       XtPointer callData);
 103   static void openCbk(Widget widget, XtPointer ptr,
 104                       XtPointer callData);
 105   static void openInNewWindowCbk(Widget widget, XtPointer ptr,
 106                                  XtPointer callData);
 107   static void reloadCbk(Widget widget, XtPointer ptr,
 108                         XtPointer callData);
 109   static void saveAsCbk(Widget widget, XtPointer ptr,
 110                         XtPointer callData);
 111   static void rotateCCWCbk(Widget widget, XtPointer ptr,
 112                            XtPointer callData);
 113   static void rotateCWCbk(Widget widget, XtPointer ptr,
 114                           XtPointer callData);
 115   static void closeCbk(Widget widget, XtPointer ptr,
 116                        XtPointer callData);
 117   static void closeMsgCbk(Widget widget, XtPointer ptr,
 118                           XtPointer callData);
 119   static void pageNumCbk(Widget widget, XtPointer ptr,
 120                          XtPointer callData);
 121   static void updateCbk(void *data, GString *fileName,
 122                         int pageNum, int numPages, char *linkLabel);
 123
 124   //----- GUI code: outline
 125 #ifndef DISABLE_OUTLINE
 126   void setupOutline();
 127   void setupOutlineItems(GList *items, Widget parent, UnicodeMap *uMap);
 128   static void outlineSelectCbk(Widget widget, XtPointer ptr,
 129                                XtPointer callData);
 130 #endif
 131
 132   //----- GUI code: "about" dialog
 133   void initAboutDialog();
 134
 135   //----- GUI code: "open" dialog
 136   void initOpenDialog();
 137   void setOpenDialogDir(char *dir);
 138   void mapOpenDialog(GBool openInNewWindowA);
 139   static void openOkCbk(Widget widget, XtPointer ptr,
 140                         XtPointer callData);
 141
 142   //----- GUI code: "find" dialog
 143   void initFindDialog();
 144   static void findFindCbk(Widget widget, XtPointer ptr,
 145                           XtPointer callData);
 146   static void findCloseCbk(Widget widget, XtPointer ptr,
 147                            XtPointer callData);
 148
 149   //----- GUI code: "save as" dialog
 150   void initSaveAsDialog();
 151   void setSaveAsDialogDir(char *dir);
 152   void mapSaveAsDialog();
 153   static void saveAsOkCbk(Widget widget, XtPointer ptr,
 154                           XtPointer callData);
 155
 156   //----- GUI code: "print" dialog
 157   void initPrintDialog();
 158   void setupPrintDialog();
 159   static void printWithCmdBtnCbk(Widget widget, XtPointer ptr,
 160                                  XtPointer callData);
 161   static void printToFileBtnCbk(Widget widget, XtPointer ptr,
 162                                 XtPointer callData);
 163   static void printPrintCbk(Widget widget, XtPointer ptr,
 164                             XtPointer callData);
 165
 166   //----- GUI code: password dialog
 167   void initPasswordDialog();
 168   static void passwordTextVerifyCbk(Widget widget, XtPointer ptr,
 169                                     XtPointer callData);
 170   static void passwordOkCbk(Widget widget, XtPointer ptr,
 171                             XtPointer callData);
 172   static void passwordCancelCbk(Widget widget, XtPointer ptr,
 173                                 XtPointer callData);
 174   void getPassword(GBool again);
 175
 176   XPDFApp *app;
 177   GBool ok;
 178
 179   Display *display;
 180   int screenNum;
 181   Widget win;                   // top-level window
 182   Widget form;
 183   Widget panedWin;
 184 #ifndef DISABLE_OUTLINE
 185   Widget outlineScroll;
 186   Widget outlineTree;
 187   Widget *outlineLabels;
 188   int outlineLabelsLength;
 189   int outlineLabelsSize;
 190 #endif
 191   XPDFCore *core;
 192   Widget toolBar;
 193   Widget backBtn;
 194   Widget prevTenPageBtn;
 195   Widget prevPageBtn;
 196   Widget nextPageBtn;
 197   Widget nextTenPageBtn;
 198   Widget forwardBtn;
 199   Widget pageNumText;
 200   Widget pageCountLabel;
 201   Widget zoomMenu;
 202   Widget zoomMenuBtns[maxZoom - minZoom + 1 + 2];
 203   Widget findBtn;
 204   Widget printBtn;
 205   Widget aboutBtn;
 206   Widget linkLabel;
 207   Widget quitBtn;
 208   Widget popupMenu;
 209
 210   Widget aboutDialog;
 211   XmFontList aboutBigFont, aboutVersionFont, aboutFixedFont;
 212
 213   Widget openDialog;
 214   GBool openInNewWindow;
 215
 216   Widget findDialog;
 217   Widget findText;
 218
 219   Widget saveAsDialog;
 220
 221   Widget printDialog;
 222   Widget printWithCmdBtn;
 223   Widget printToFileBtn;
 224   Widget printCmdText;
 225   Widget printFileText;
 226   Widget printFirstPage;
 227   Widget printLastPage;
 228
 229   Widget passwordDialog;
 230   Widget passwordMsg;
 231   Widget passwordText;
 232   int passwordDone;
 233   GString *password;
 234 };
 235
 236 #endif