src/frontends/xforms/FormBaseDeprecated.C

   1 /**
   2  * \file FormBaseDeprecated.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "Dialogs.h"
  18 #include "FormBaseDeprecated.h"
  19 #include "xformsBC.h"
  20 #include "xforms_resize.h"
  21 #include "Tooltips.h"
  22 #include FORMS_H_LOCATION
  23
  24 #include "lyxrc.h"
  25
  26 #include "frontends/LyXView.h"
  27
  28 #include "support/LAssert.h"
  29 #include "support/filetools.h" //  LibFileSearch
  30
  31 #include <boost/bind.hpp>
  32
  33 extern "C" {
  34
  35 // Callback function invoked by xforms when the dialog is closed by the
  36 // window manager
  37 static int C_WMHideCB(FL_FORM *, void *);
  38
  39 // Callback function invoked by the xforms pre- and post-handler routines
  40 static int C_PrehandlerCB(FL_OBJECT *, int, FL_Coord, FL_Coord, int, void *);
  41
  42 } // extern "C"
  43
  44
  45 FormBaseDeprecated::FormBaseDeprecated(LyXView & lv, Dialogs & d,
  46                                        string const & t, bool allowResize)
  47         : lv_(lv), d_(d), title_(t),
  48           minw_(0), minh_(0), allow_resize_(allowResize),
  49           tooltips_(new Tooltips())
  50 {}
  51
  52
  53 FormBaseDeprecated::~FormBaseDeprecated()
  54 {
  55         delete tooltips_;
  56 }
  57
  58
  59 Tooltips & FormBaseDeprecated::tooltips()
  60 {
  61         return *tooltips_;
  62 }
  63
  64
  65 void FormBaseDeprecated::redraw()
  66 {
  67         if (form() && form()->visible)
  68                 fl_redraw_form(form());
  69 }
  70
  71
  72 void FormBaseDeprecated::connect()
  73 {
  74         fl_set_form_minsize(form(), minw_, minh_);
  75         r_ = d_.redrawGUI().connect(boost::bind(&FormBaseDeprecated::redraw, this));
  76 }
  77
  78
  79 void FormBaseDeprecated::disconnect()
  80 {
  81         h_.disconnect();
  82         r_.disconnect();
  83 }
  84
  85
  86 void FormBaseDeprecated::show()
  87 {
  88         if (!form()) {
  89                 build();
  90
  91                 double const scale = scale_to_fit_tabs(form());
  92                 if (scale > 1.001)
  93                         scale_form(form(), scale);
  94
  95                 bc().refresh();
  96
  97                 // work around dumb xforms sizing bug
  98                 minw_ = form()->w;
  99                 minh_ = form()->h;
 100
 101                 fl_set_form_atclose(form(), C_WMHideCB, 0);
 102         }
 103
 104         fl_freeze_form(form());
 105         update();
 106         fl_unfreeze_form(form());
 107
 108         if (form()->visible) {
 109                 fl_raise_form(form());
 110                 /* This XMapWindow() will hopefully ensure that
 111                  * iconified dialogs are de-iconified. Mad props
 112                  * out to those crazy Xlib guys for forgetting a
 113                  * XDeiconifyWindow(). At least WindowMaker, when
 114                  * being notified of the redirected MapRequest will
 115                  * specifically de-iconify. From source, fvwm2 seems
 116                  * to do the same.
 117                  */
 118                 XMapWindow(fl_get_display(), form()->window);
 119         } else {
 120                 connect();
 121
 122                 // calls to fl_set_form_minsize/maxsize apply only to the next
 123                 // fl_show_form(), so this comes first.
 124                 fl_set_form_minsize(form(), minw_, minh_);
 125                 if (!allow_resize_)
 126                         fl_set_form_maxsize(form(), minw_, minh_);
 127
 128                 string const maximize_title = "LyX: " + title_;
 129                 int const iconify_policy = lyxrc.dialogs_iconify_with_main ?
 130                                                 FL_TRANSIENT : 0;
 131
 132                 fl_show_form(form(),
 133                              FL_PLACE_MOUSE | FL_FREE_SIZE,
 134                              iconify_policy,
 135                              maximize_title.c_str());
 136
 137                 if (iconify_policy == 0) {
 138                         // set title for minimized form
 139                         string const minimize_title = title_;
 140                         fl_winicontitle(form()->window, minimize_title.c_str());
 141
 142                         //  assign an icon to form
 143                         string const iconname = LibFileSearch("images", "lyx", "xpm");
 144                         if (!iconname.empty()) {
 145                                 unsigned int w, h;
 146                                 Pixmap icon_mask;
 147                                 Pixmap const icon_p = fl_read_pixmapfile(fl_root,
 148                                                         iconname.c_str(),
 149                                                         &w,
 150                                                         &h,
 151                                                         &icon_mask,
 152                                                         0, 0, 0); // this leaks
 153                                 fl_set_form_icon(form(), icon_p, icon_mask);
 154                         }
 155                 }
 156         }
 157
 158         tooltips().set();
 159 }
 160
 161
 162 void FormBaseDeprecated::hide()
 163 {
 164         // xforms sometimes tries to process a hint-type MotionNotify, and
 165         // use XQueryPointer, without verifying if the window still exists.
 166         // So we try to clear out motion events in the queue before the
 167         // DestroyNotify
 168         XSync(fl_get_display(), false);
 169
 170         if (form() && form()->visible) {
 171                 // some dialogs might do things to the form first
 172                 // such as the nested tabfolder problem in Preferences
 173                 disconnect();
 174                 fl_hide_form(form());
 175         }
 176 }
 177
 178
 179 void FormBaseDeprecated::setPrehandler(FL_OBJECT * ob)
 180 {
 181         lyx::Assert(ob);
 182         fl_set_object_prehandler(ob, C_PrehandlerCB);
 183 }
 184
 185
 186 void FormBaseDeprecated::WMHideCB()
 187 {
 188         hide();
 189         bc().hide();
 190 }
 191
 192
 193 void FormBaseDeprecated::ApplyCB()
 194 {
 195         apply();
 196         bc().apply();
 197 }
 198
 199
 200 void FormBaseDeprecated::OKCB()
 201 {
 202         ok();
 203         bc().ok();
 204 }
 205
 206
 207 void FormBaseDeprecated::CancelCB()
 208 {
 209         cancel();
 210         bc().cancel();
 211 }
 212
 213
 214 void FormBaseDeprecated::InputCB(FL_OBJECT * ob, long data)
 215 {
 216         // It is possible to set the choice to 0 when using the
 217         // keyboard shortcuts. This work-around deals with the problem.
 218         if (ob && ob->objclass == FL_CHOICE && fl_get_choice(ob) < 1) {
 219                 fl_set_choice(ob, 1);
 220         }
 221
 222         bc().valid(input(ob, data));
 223 }
 224
 225
 226 void FormBaseDeprecated::RestoreCB()
 227 {
 228         bc().restore();
 229         restore();
 230 }
 231
 232
 233 FormBaseBI::FormBaseBI(LyXView & lv, Dialogs & d, string const & t,
 234                        bool allowResize)
 235         : FormBaseDeprecated(lv, d, t, allowResize)
 236 {}
 237
 238
 239 void FormBaseBI::connect()
 240 {
 241         h_ = d_.hideAll.connect(boost::bind(&FormBaseBI::hide, this));
 242         FormBaseDeprecated::connect();
 243 }
 244
 245
 246 FormBaseBD::FormBaseBD(LyXView & lv, Dialogs & d, string const & t,
 247                        bool allowResize)
 248         : FormBaseDeprecated(lv, d, t, allowResize)
 249 {}
 250
 251
 252 void FormBaseBD::connect()
 253 {
 254         u_ = d_.updateBufferDependent.
 255                 connect(boost::bind(&FormBaseBD::updateSlot, this, _1));
 256         h_ = d_.hideBufferDependent.
 257                 connect(boost::bind(&FormBaseBD::hide, this));
 258         FormBaseDeprecated::connect();
 259 }
 260
 261
 262 void FormBaseBD::disconnect()
 263 {
 264         u_.disconnect();
 265         FormBaseDeprecated::disconnect();
 266 }
 267
 268
 269 namespace {
 270
 271 FormBaseDeprecated * GetForm(FL_OBJECT * ob)
 272 {
 273         lyx::Assert(ob && ob->form && ob->form->u_vdata);
 274         FormBaseDeprecated * ptr =
 275                 static_cast<FormBaseDeprecated *>(ob->form->u_vdata);
 276         return ptr;
 277 }
 278
 279 } // namespace anon
 280
 281
 282 extern "C" {
 283
 284 void C_FormBaseDeprecatedApplyCB(FL_OBJECT * ob, long)
 285 {
 286         GetForm(ob)->ApplyCB();
 287 }
 288
 289
 290 void C_FormBaseDeprecatedOKCB(FL_OBJECT * ob, long)
 291 {
 292         GetForm(ob)->OKCB();
 293 }
 294
 295
 296 void C_FormBaseDeprecatedCancelCB(FL_OBJECT * ob, long)
 297 {
 298         GetForm(ob)->CancelCB();
 299 }
 300
 301
 302 void C_FormBaseDeprecatedInputCB(FL_OBJECT * ob, long d)
 303 {
 304         GetForm(ob)->InputCB(ob, d);
 305 }
 306
 307
 308 void C_FormBaseDeprecatedRestoreCB(FL_OBJECT * ob, long)
 309 {
 310         GetForm(ob)->RestoreCB();
 311 }
 312
 313 static int C_WMHideCB(FL_FORM * form, void *)
 314 {
 315         // Close the dialog cleanly, even if the WM is used to do so.
 316         lyx::Assert(form && form->u_vdata);
 317         FormBaseDeprecated * ptr =
 318                 static_cast<FormBaseDeprecated *>(form->u_vdata);
 319         ptr->WMHideCB();
 320         return FL_CANCEL;
 321 }
 322
 323 static int C_PrehandlerCB(FL_OBJECT * ob, int event,
 324                           FL_Coord, FL_Coord, int key, void *)
 325 {
 326         // Note that the return value is important in the pre-emptive handler.
 327         // Don't return anything other than 0.
 328         lyx::Assert(ob);
 329
 330         // Don't Assert this one, as it can happen quite naturally when things
 331         // are being deleted in the d-tor.
 332         //Assert(ob->form);
 333         if (!ob->form) return 0;
 334
 335         FormBaseDeprecated * ptr =
 336                 static_cast<FormBaseDeprecated *>(ob->form->u_vdata);
 337
 338         if (ptr)
 339                 ptr->PrehandlerCB(ob, event, key);
 340
 341         return 0;
 342 }
 343
 344 } // extern "C"