arospdf/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 #include "gtypes.h"
  19 #include "XPDFCore.h"
  20
  21 #define DISABLE_OUTLINE
  22 #undef USE_COMBO_BOX
  23
  24 class GString;
  25 class GList;
  26 class UnicodeMap;
  27 class LinkDest;
  28 class XPDFApp;
  29 class XPDFViewer;
  30
  31 //------------------------------------------------------------------------
  32
  33 // NB: this must match the defn of zoomMenuBtnInfo in XPDFViewer.cc
  34 #define nZoomMenuItems 10
  35
  36 //------------------------------------------------------------------------
  37
  38 struct XPDFViewerCmd {
  39   char *name;
  40   int nArgs;
  41   GBool requiresDoc;
  42   GBool requiresEvent;
  43   void (XPDFViewer::*func)(GString *args[], int nArgs, XEvent *event);
  44 };
  45
  46 //------------------------------------------------------------------------
  47 // XPDFViewer
  48 //------------------------------------------------------------------------
  49
  50 class XPDFViewer {
  51 public:
  52
  53   XPDFViewer(XPDFApp *appA, GString *fileName,
  54              int pageA, GString *destName, GBool fullScreen,
  55              GString *ownerPassword, GString *userPassword);
  56   XPDFViewer(XPDFApp *appA, PDFDoc *doc, int pageA,
  57              GString *destName, GBool fullScreen);
  58   GBool isOk() { return ok; }
  59   ~XPDFViewer();
  60
  61   void open(GString *fileName, int pageA, GString *destName);
  62   void clear();
  63   void reloadFile();
  64
  65   void execCmd(GString *cmd, XEvent *event);
  66
  67   //Widget getWindow() { return win; }
  68
  69 private:
  70
  71   //----- load / display
  72   GBool loadFile(GString *fileName, GString *ownerPassword = NULL,
  73                  GString *userPassword = NULL);
  74   void displayPage(int pageA, double zoomA, int rotateA,
  75                    GBool scrollToTop, GBool addToHist);
  76   void displayDest(LinkDest *dest, double zoomA, int rotateA,
  77                    GBool addToHist);
  78   void getPageAndDest(int pageA, GString *destName,
  79                       int *pageOut, LinkDest **destOut);
  80
  81   //----- hyperlinks / actions
  82   void doLink(int wx, int wy, GBool onlyIfNoSelection, GBool newWin);
  83   static void actionCbk(void *data, char *action);
  84
  85   //----- keyboard/mouse input
  86   static void keyPressCbk(void *data, KeySym key, Guint modifiers,
  87                           XEvent *event);
  88   static void mouseCbk(void *data, XEvent *event);
  89   int getModifiers(Guint modifiers);
  90   int getContext(Guint modifiers);
  91
  92   //----- command functions
  93   void cmdAbout(GString *args[], int nArgs, XEvent *event);
  94   void cmdCloseOutline(GString *args[], int nArgs, XEvent *event);
  95   void cmdCloseWindow(GString *args[], int nArgs, XEvent *event);
  96   void cmdContinuousMode(GString *args[], int nArgs, XEvent *event);
  97   void cmdEndPan(GString *args[], int nArgs, XEvent *event);
  98   void cmdEndSelection(GString *args[], int nArgs, XEvent *event);
  99   void cmdFind(GString *args[], int nArgs, XEvent *event);
 100   void cmdFindNext(GString *args[], int nArgs, XEvent *event);
 101   void cmdFocusToDocWin(GString *args[], int nArgs, XEvent *event);
 102   void cmdFocusToPageNum(GString *args[], int nArgs, XEvent *event);
 103   void cmdFollowLink(GString *args[], int nArgs, XEvent *event);
 104   void cmdFollowLinkInNewWin(GString *args[], int nArgs, XEvent *event);
 105   void cmdFollowLinkInNewWinNoSel(GString *args[], int nArgs, XEvent *event);
 106   void cmdFollowLinkNoSel(GString *args[], int nArgs, XEvent *event);
 107   void cmdFullScreenMode(GString *args[], int nArgs, XEvent *event);
 108   void cmdGoBackward(GString *args[], int nArgs, XEvent *event);
 109   void cmdGoForward(GString *args[], int nArgs, XEvent *event);
 110   void cmdGotoDest(GString *args[], int nArgs, XEvent *event);
 111   void cmdGotoLastPage(GString *args[], int nArgs, XEvent *event);
 112   void cmdGotoLastPageNoScroll(GString *args[], int nArgs, XEvent *event);
 113   void cmdGotoPage(GString *args[], int nArgs, XEvent *event);
 114   void cmdGotoPageNoScroll(GString *args[], int nArgs, XEvent *event);
 115   void cmdNextPage(GString *args[], int nArgs, XEvent *event);
 116   void cmdNextPageNoScroll(GString *args[], int nArgs, XEvent *event);
 117   void cmdOpen(GString *args[], int nArgs, XEvent *event);
 118   void cmdOpenFile(GString *args[], int nArgs, XEvent *event);
 119   void cmdOpenFileAtDest(GString *args[], int nArgs, XEvent *event);
 120   void cmdOpenFileAtDestInNewWin(GString *args[], int nArgs, XEvent *event);
 121   void cmdOpenFileAtPage(GString *args[], int nArgs, XEvent *event);
 122   void cmdOpenFileAtPageInNewWin(GString *args[], int nArgs, XEvent *event);
 123   void cmdOpenFileInNewWin(GString *args[], int nArgs, XEvent *event);
 124   void cmdOpenInNewWin(GString *args[], int nArgs, XEvent *event);
 125   void cmdOpenOutline(GString *args[], int nArgs, XEvent *event);
 126   void cmdPageDown(GString *args[], int nArgs, XEvent *event);
 127   void cmdPageUp(GString *args[], int nArgs, XEvent *event);
 128   void cmdPostPopupMenu(GString *args[], int nArgs, XEvent *event);
 129   void cmdPrevPage(GString *args[], int nArgs, XEvent *event);
 130   void cmdPrevPageNoScroll(GString *args[], int nArgs, XEvent *event);
 131   void cmdPrint(GString *args[], int nArgs, XEvent *event);
 132   void cmdQuit(GString *args[], int nArgs, XEvent *event);
 133   void cmdRaise(GString *args[], int nArgs, XEvent *event);
 134   void cmdRedraw(GString *args[], int nArgs, XEvent *event);
 135   void cmdReload(GString *args[], int nArgs, XEvent *event);
 136   void cmdRun(GString *args[], int nArgs, XEvent *event);
 137   void cmdScrollDown(GString *args[], int nArgs, XEvent *event);
 138   void cmdScrollDownNextPage(GString *args[], int nArgs, XEvent *event);
 139   void cmdScrollLeft(GString *args[], int nArgs, XEvent *event);
 140   void cmdScrollOutlineDown(GString *args[], int nArgs, XEvent *event);
 141   void cmdScrollOutlineUp(GString *args[], int nArgs, XEvent *event);
 142   void cmdScrollRight(GString *args[], int nArgs, XEvent *event);
 143   void cmdScrollToBottomEdge(GString *args[], int nArgs, XEvent *event);
 144   void cmdScrollToBottomRight(GString *args[], int nArgs, XEvent *event);
 145   void cmdScrollToLeftEdge(GString *args[], int nArgs, XEvent *event);
 146   void cmdScrollToRightEdge(GString *args[], int nArgs, XEvent *event);
 147   void cmdScrollToTopEdge(GString *args[], int nArgs, XEvent *event);
 148   void cmdScrollToTopLeft(GString *args[], int nArgs, XEvent *event);
 149   void cmdScrollUp(GString *args[], int nArgs, XEvent *event);
 150   void cmdScrollUpPrevPage(GString *args[], int nArgs, XEvent *event);
 151   void cmdSinglePageMode(GString *args[], int nArgs, XEvent *event);
 152   void cmdStartPan(GString *args[], int nArgs, XEvent *event);
 153   void cmdStartSelection(GString *args[], int nArgs, XEvent *event);
 154   void cmdToggleContinuousMode(GString *args[], int nArgs, XEvent *event);
 155   void cmdToggleFullScreenMode(GString *args[], int nArgs, XEvent *event);
 156   void cmdToggleOutline(GString *args[], int nArgs, XEvent *event);
 157   void cmdWindowMode(GString *args[], int nArgs, XEvent *event);
 158   void cmdZoomFitPage(GString *args[], int nArgs, XEvent *event);
 159   void cmdZoomFitWidth(GString *args[], int nArgs, XEvent *event);
 160   void cmdZoomIn(GString *args[], int nArgs, XEvent *event);
 161   void cmdZoomOut(GString *args[], int nArgs, XEvent *event);
 162   void cmdZoomPercent(GString *args[], int nArgs, XEvent *event);
 163   void cmdZoomToSelection(GString *args[], int nArgs, XEvent *event);
 164
 165   //----- GUI code: main window
 166   void initWindow(GBool fullScreen);
 167   //void initToolbar(Widget parent);
 168
 169   //void initCore(Widget parent, GBool fullScreen);
 170   void initPopupMenu();
 171   //void addToolTip(Widget widget, char *text);
 172   void mapWindow();
 173   void closeWindow();
 174   int getZoomIdx();
 175   void setZoomIdx(int idx);
 176   void setZoomVal(double z);
 177   static void prevPageCbk(Widget widget, XtPointer ptr,
 178                           XtPointer callData);
 179   static void prevTenPageCbk(Widget widget, XtPointer ptr,
 180                              XtPointer callData);
 181   static void nextPageCbk(Widget widget, XtPointer ptr,
 182                           XtPointer callData);
 183   static void nextTenPageCbk(Widget widget, XtPointer ptr,
 184                              XtPointer callData);
 185   static void backCbk(Widget widget, XtPointer ptr,
 186                       XtPointer callData);
 187   static void forwardCbk(Widget widget, XtPointer ptr,
 188                          XtPointer callData);
 189 #if USE_COMBO_BOX
 190   static void zoomComboBoxCbk(Widget widget, XtPointer ptr,
 191                               XtPointer callData);
 192 #else
 193   static void zoomMenuCbk(Widget widget, XtPointer ptr,
 194                           XtPointer callData);
 195 #endif
 196   static void findCbk(Widget widget, XtPointer ptr,
 197                       XtPointer callData);
 198   static void printCbk(Widget widget, XtPointer ptr,
 199                        XtPointer callData);
 200   static void aboutCbk(Widget widget, XtPointer ptr,
 201                        XtPointer callData);
 202   static void quitCbk(Widget widget, XtPointer ptr,
 203                       XtPointer callData);
 204   static void openCbk(Widget widget, XtPointer ptr,
 205                       XtPointer callData);
 206   static void openInNewWindowCbk(Widget widget, XtPointer ptr,
 207                                  XtPointer callData);
 208   static void reloadCbk(Widget widget, XtPointer ptr,
 209                         XtPointer callData);
 210   static void saveAsCbk(Widget widget, XtPointer ptr,
 211                         XtPointer callData);
 212   static void continuousModeToggleCbk(Widget widget, XtPointer ptr,
 213                                       XtPointer callData);
 214   static void fullScreenToggleCbk(Widget widget, XtPointer ptr,
 215                                   XtPointer callData);
 216   static void rotateCCWCbk(Widget widget, XtPointer ptr,
 217                            XtPointer callData);
 218   static void rotateCWCbk(Widget widget, XtPointer ptr,
 219                           XtPointer callData);
 220   static void zoomToSelectionCbk(Widget widget, XtPointer ptr,
 221                                  XtPointer callData);
 222   static void closeCbk(Widget widget, XtPointer ptr,
 223                        XtPointer callData);
 224   static void closeMsgCbk(Widget widget, XtPointer ptr,
 225                           XtPointer callData);
 226   static void pageNumCbk(Widget widget, XtPointer ptr,
 227                          XtPointer callData);
 228   static void updateCbk(void *data, GString *fileName,
 229                         int pageNum, int numPages, char *linkString);
 230
 231   //----- GUI code: outline
 232 #ifndef DISABLE_OUTLINE
 233   void setupOutline();
 234   void setupOutlineItems(GList *items, Widget parent, UnicodeMap *uMap);
 235   static void outlineSelectCbk(Widget widget, XtPointer ptr,
 236                                XtPointer callData);
 237 #endif
 238
 239   //----- GUI code: "about" dialog
 240   void initAboutDialog();
 241
 242   //----- GUI code: "open" dialog
 243   void initOpenDialog();
 244   void mapOpenDialog(GBool openInNewWindowA);
 245   static void openOkCbk(Widget widget, XtPointer ptr,
 246                         XtPointer callData);
 247
 248   //----- GUI code: "find" dialog
 249   void initFindDialog();
 250   static void findFindCbk(Widget widget, XtPointer ptr,
 251                           XtPointer callData);
 252   void mapFindDialog();
 253   void doFind(GBool next);
 254   static void findCloseCbk(Widget widget, XtPointer ptr,
 255                            XtPointer callData);
 256
 257   //----- GUI code: "save as" dialog
 258   void initSaveAsDialog();
 259   void mapSaveAsDialog();
 260   static void saveAsOkCbk(Widget widget, XtPointer ptr,
 261                           XtPointer callData);
 262
 263   //----- GUI code: "print" dialog
 264   void initPrintDialog();
 265   void setupPrintDialog();
 266   static void printWithCmdBtnCbk(Widget widget, XtPointer ptr,
 267                                  XtPointer callData);
 268   static void printToFileBtnCbk(Widget widget, XtPointer ptr,
 269                                 XtPointer callData);
 270   static void printPrintCbk(Widget widget, XtPointer ptr,
 271                             XtPointer callData);
 272
 273   //----- Motif support
 274   XmFontList createFontList(char *xlfd);
 275
 276   static XPDFViewerCmd cmdTab[];
 277
 278   XPDFApp *app;
 279   GBool ok;
 280
 281   Display *display;
 282   int screenNum;
 283   Widget win;                   // top-level window
 284   Widget form;
 285   Widget panedWin;
 286 #ifndef DISABLE_OUTLINE
 287   Widget outlineScroll;
 288   Widget outlineTree;
 289   Widget *outlineLabels;
 290   int outlineLabelsLength;
 291   int outlineLabelsSize;
 292   Dimension outlinePaneWidth;
 293 #endif
 294   XPDFCore *core;
 295   Widget toolBar;
 296   Widget backBtn;
 297   Widget prevTenPageBtn;
 298   Widget prevPageBtn;
 299   Widget nextPageBtn;
 300   Widget nextTenPageBtn;
 301   Widget forwardBtn;
 302   Widget pageNumText;
 303   Widget pageCountLabel;
 304 #if USE_COMBO_BOX
 305   Widget zoomComboBox;
 306 #else
 307   Widget zoomMenu;
 308   Widget zoomMenuBtns[nZoomMenuItems];
 309 #endif
 310   Widget zoomWidget;
 311   Widget findBtn;
 312   Widget printBtn;
 313   Widget aboutBtn;
 314   Widget linkLabel;
 315   Widget quitBtn;
 316   Widget popupMenu;
 317
 318   Widget aboutDialog;
 319   XmFontList aboutBigFont, aboutVersionFont, aboutFixedFont;
 320
 321   Widget openDialog;
 322   GBool openInNewWindow;
 323
 324   Widget findDialog;
 325   Widget findText;
 326   Widget findBackwardToggle;
 327   Widget findCaseSensitiveToggle;
 328
 329   Widget saveAsDialog;
 330
 331   Widget printDialog;
 332   Widget printWithCmdBtn;
 333   Widget printToFileBtn;
 334   Widget printCmdText;
 335   Widget printFileText;
 336   Widget printFirstPage;
 337   Widget printLastPage;
 338 };
 339
 340 #endif