pdf/xpdf/XPDFViewer.h

   1 //========================================================================
   2 //
   3 // XPDFViewer.h
   4 //
   5 // Copyright 2002-2003 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) && !defined(__sgi)
  25 #define DISABLE_OUTLINE
  26 #endif
  27
  28 #if (XmVERSION >= 2 && !defined(LESSTIF_VERSION))
  29 #  define USE_COMBO_BOX 1
  30 #else
  31 #  undef USE_COMBO_BOX
  32 #endif
  33
  34 class GString;
  35 class GList;
  36 class UnicodeMap;
  37 class LinkDest;
  38 class XPDFApp;
  39
  40 //------------------------------------------------------------------------
  41
  42 // NB: this must match the defn of zoomMenuBtnInfo in XPDFViewer.cc
  43 #define nZoomMenuItems 10
  44
  45 //------------------------------------------------------------------------
  46 // XPDFViewer
  47 //------------------------------------------------------------------------
  48
  49 class XPDFViewer {
  50 public:
  51
  52   XPDFViewer(XPDFApp *appA, GString *fileName,
  53              int pageA, GString *destName,
  54              GString *ownerPassword, GString *userPassword);
  55   GBool isOk() { return ok; }
  56   ~XPDFViewer();
  57
  58   void open(GString *fileName, int pageA, GString *destName);
  59   void clear();
  60   void reloadFile();
  61
  62   Widget getWindow() { return win; }
  63
  64 private:
  65
  66   //----- load / display
  67   GBool loadFile(GString *fileName, GString *ownerPassword = NULL,
  68                  GString *userPassword = NULL);
  69   void displayPage(int pageA, double zoomA, int rotateA,
  70                    GBool scrollToTop, GBool addToHist);
  71   void displayDest(LinkDest *dest, double zoomA, int rotateA,
  72                    GBool addToHist);
  73   void getPageAndDest(int pageA, GString *destName,
  74                       int *pageOut, LinkDest **destOut);
  75
  76   //----- password dialog
  77   static GString *reqPasswordCbk(void *data, GBool again);
  78
  79   //----- actions
  80   static void actionCbk(void *data, char *action);
  81
  82   //----- keyboard/mouse input
  83   static void keyPressCbk(void *data, char *s, KeySym key,
  84                           Guint modifiers);
  85   static void mouseCbk(void *data, XEvent *event);
  86
  87   //----- GUI code: main window
  88   void initWindow();
  89   void mapWindow();
  90   void closeWindow();
  91   int getZoomIdx();
  92   void setZoomIdx(int idx);
  93   void setZoomVal(double z);
  94   static void prevPageCbk(Widget widget, XtPointer ptr,
  95                           XtPointer callData);
  96   static void prevTenPageCbk(Widget widget, XtPointer ptr,
  97                              XtPointer callData);
  98   static void nextPageCbk(Widget widget, XtPointer ptr,
  99                           XtPointer callData);
 100   static void nextTenPageCbk(Widget widget, XtPointer ptr,
 101                              XtPointer callData);
 102   static void backCbk(Widget widget, XtPointer ptr,
 103                       XtPointer callData);
 104   static void forwardCbk(Widget widget, XtPointer ptr,
 105                          XtPointer callData);
 106 #if USE_COMBO_BOX
 107   static void zoomComboBoxCbk(Widget widget, XtPointer ptr,
 108                               XtPointer callData);
 109 #else
 110   static void zoomMenuCbk(Widget widget, XtPointer ptr,
 111                           XtPointer callData);
 112 #endif
 113   static void findCbk(Widget widget, XtPointer ptr,
 114                       XtPointer callData);
 115   static void printCbk(Widget widget, XtPointer ptr,
 116                        XtPointer callData);
 117   static void aboutCbk(Widget widget, XtPointer ptr,
 118                        XtPointer callData);
 119   static void quitCbk(Widget widget, XtPointer ptr,
 120                       XtPointer callData);
 121   static void openCbk(Widget widget, XtPointer ptr,
 122                       XtPointer callData);
 123   static void openInNewWindowCbk(Widget widget, XtPointer ptr,
 124                                  XtPointer callData);
 125   static void reloadCbk(Widget widget, XtPointer ptr,
 126                         XtPointer callData);
 127   static void saveAsCbk(Widget widget, XtPointer ptr,
 128                         XtPointer callData);
 129   static void rotateCCWCbk(Widget widget, XtPointer ptr,
 130                            XtPointer callData);
 131   static void rotateCWCbk(Widget widget, XtPointer ptr,
 132                           XtPointer callData);
 133   static void closeCbk(Widget widget, XtPointer ptr,
 134                        XtPointer callData);
 135   static void closeMsgCbk(Widget widget, XtPointer ptr,
 136                           XtPointer callData);
 137   static void pageNumCbk(Widget widget, XtPointer ptr,
 138                          XtPointer callData);
 139   static void updateCbk(void *data, GString *fileName,
 140                         int pageNum, int numPages, char *linkString);
 141
 142   //----- GUI code: outline
 143 #ifndef DISABLE_OUTLINE
 144   void setupOutline();
 145   void setupOutlineItems(GList *items, Widget parent, UnicodeMap *uMap);
 146   static void outlineSelectCbk(Widget widget, XtPointer ptr,
 147                                XtPointer callData);
 148 #endif
 149
 150   //----- GUI code: "about" dialog
 151   void initAboutDialog();
 152
 153   //----- GUI code: "open" dialog
 154   void initOpenDialog();
 155   void setOpenDialogDir(char *dir);
 156   void mapOpenDialog(GBool openInNewWindowA);
 157   static void openOkCbk(Widget widget, XtPointer ptr,
 158                         XtPointer callData);
 159
 160   //----- GUI code: "find" dialog
 161   void initFindDialog();
 162   static void findFindCbk(Widget widget, XtPointer ptr,
 163                           XtPointer callData);
 164   void doFind(GBool next);
 165   static void findCloseCbk(Widget widget, XtPointer ptr,
 166                            XtPointer callData);
 167
 168   //----- GUI code: "save as" dialog
 169   void initSaveAsDialog();
 170   void setSaveAsDialogDir(char *dir);
 171   void mapSaveAsDialog();
 172   static void saveAsOkCbk(Widget widget, XtPointer ptr,
 173                           XtPointer callData);
 174
 175   //----- GUI code: "print" dialog
 176   void initPrintDialog();
 177   void setupPrintDialog();
 178   static void printWithCmdBtnCbk(Widget widget, XtPointer ptr,
 179                                  XtPointer callData);
 180   static void printToFileBtnCbk(Widget widget, XtPointer ptr,
 181                                 XtPointer callData);
 182   static void printPrintCbk(Widget widget, XtPointer ptr,
 183                             XtPointer callData);
 184
 185   //----- GUI code: password dialog
 186   void initPasswordDialog();
 187   static void passwordTextVerifyCbk(Widget widget, XtPointer ptr,
 188                                     XtPointer callData);
 189   static void passwordOkCbk(Widget widget, XtPointer ptr,
 190                             XtPointer callData);
 191   static void passwordCancelCbk(Widget widget, XtPointer ptr,
 192                                 XtPointer callData);
 193   void getPassword(GBool again);
 194
 195   //----- Motif support
 196   XmFontList createFontList(char *xlfd);
 197
 198   XPDFApp *app;
 199   GBool ok;
 200
 201   Display *display;
 202   int screenNum;
 203   Widget win;                   // top-level window
 204   Widget form;
 205   Widget panedWin;
 206 #ifndef DISABLE_OUTLINE
 207   Widget outlineScroll;
 208   Widget outlineTree;
 209   Widget *outlineLabels;
 210   int outlineLabelsLength;
 211   int outlineLabelsSize;
 212 #endif
 213   XPDFCore *core;
 214   Widget toolBar;
 215   Widget backBtn;
 216   Widget prevTenPageBtn;
 217   Widget prevPageBtn;
 218   Widget nextPageBtn;
 219   Widget nextTenPageBtn;
 220   Widget forwardBtn;
 221   Widget pageNumText;
 222   Widget pageCountLabel;
 223 #if USE_COMBO_BOX
 224   Widget zoomComboBox;
 225 #else
 226   Widget zoomMenu;
 227   Widget zoomMenuBtns[nZoomMenuItems];
 228 #endif
 229   Widget findBtn;
 230   Widget printBtn;
 231   Widget aboutBtn;
 232   Widget linkLabel;
 233   Widget quitBtn;
 234   Widget popupMenu;
 235
 236   Widget aboutDialog;
 237   XmFontList aboutBigFont, aboutVersionFont, aboutFixedFont;
 238
 239   Widget openDialog;
 240   GBool openInNewWindow;
 241
 242   Widget findDialog;
 243   Widget findText;
 244
 245   Widget saveAsDialog;
 246
 247   Widget printDialog;
 248   Widget printWithCmdBtn;
 249   Widget printToFileBtn;
 250   Widget printCmdText;
 251   Widget printFileText;
 252   Widget printFirstPage;
 253   Widget printLastPage;
 254
 255   Widget passwordDialog;
 256   Widget passwordMsg;
 257   Widget passwordText;
 258   int passwordDone;
 259   GString *password;
 260 };
 261
 262 #endif