src/frontends/xforms/FormBaseDeprecated.C

   1 /**
   2  * \file FormBaseDeprecated.C
   3  * Copyright 2000-2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Angus Leeming, a.leeming@ic.ac.uk
   7  */
   8
   9 #include <config.h>
  10
  11 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include "Dialogs.h"
  16 #include "FormBaseDeprecated.h"
  17 #include "xformsBC.h"
  18 #include "xforms_resize.h"
  19 #include "Tooltips.h"
  20 #include "lyxrc.h"
  21
  22 #include "frontends/LyXView.h"
  23
  24 #include "support/LAssert.h"
  25
  26 #include <boost/bind.hpp>
  27
  28 extern "C" {
  29
  30 // Callback function invoked by xforms when the dialog is closed by the
  31 // window manager
  32 static int C_WMHideCB(FL_FORM *, void *);
  33
  34 // Callback function invoked by the xforms pre- and post-handler routines
  35 static int C_PrehandlerCB(FL_OBJECT *, int, FL_Coord, FL_Coord, int, void *);
  36
  37 } // extern "C"
  38
  39
  40 FormBaseDeprecated::FormBaseDeprecated(LyXView * lv, Dialogs * d,
  41                                        string const & t, bool allowResize)
  42         : lv_(lv), d_(d), title_(t),
  43           minw_(0), minh_(0), allow_resize_(allowResize),
  44           tooltips_(new Tooltips)
  45 {
  46         lyx::Assert(lv && d);
  47 }
  48
  49
  50 FormBaseDeprecated::~FormBaseDeprecated()
  51 {
  52         delete tooltips_;
  53 }
  54
  55
  56 Tooltips & FormBaseDeprecated::tooltips()
  57 {
  58         return *tooltips_;
  59 }
  60
  61
  62 void FormBaseDeprecated::redraw()
  63 {
  64         if (form() && form()->visible)
  65                 fl_redraw_form(form());
  66 }
  67
  68
  69 void FormBaseDeprecated::connect()
  70 {
  71         fl_set_form_minsize(form(), minw_, minh_);
  72         r_ = Dialogs::redrawGUI.connect(boost::bind(&FormBaseDeprecated::redraw, this));
  73 }
  74
  75
  76 void FormBaseDeprecated::disconnect()
  77 {
  78         h_.disconnect();
  79         r_.disconnect();
  80 }
  81
  82
  83 void FormBaseDeprecated::show()
  84 {
  85         if (!form()) {
  86                 build();
  87
  88                 double const scale = scale_to_fit_tabs(form());
  89                 if (scale > 1.001)
  90                         scale_form(form(), scale);
  91
  92                 bc().refresh();
  93
  94                 // work around dumb xforms sizing bug
  95                 minw_ = form()->w;
  96                 minh_ = form()->h;
  97
  98                 fl_set_form_atclose(form(), C_WMHideCB, 0);
  99         }
 100
 101         fl_freeze_form(form());
 102         update();
 103         fl_unfreeze_form(form());
 104
 105         if (form()->visible) {
 106                 fl_raise_form(form());
 107                 /* This XMapWindow() will hopefully ensure that
 108                  * iconified dialogs are de-iconified. Mad props
 109                  * out to those crazy Xlib guys for forgetting a
 110                  * XDeiconifyWindow(). At least WindowMaker, when
 111                  * being notified of the redirected MapRequest will
 112                  * specifically de-iconify. From source, fvwm2 seems
 113                  * to do the same.
 114                  */
 115                 XMapWindow(fl_get_display(), form()->window);
 116         } else {
 117                 connect();
 118
 119                 // calls to fl_set_form_minsize/maxsize apply only to the next
 120                 // fl_show_form(), so this comes first.
 121                 fl_set_form_minsize(form(), minw_, minh_);
 122                 if (!allow_resize_)
 123                         fl_set_form_maxsize(form(), minw_, minh_);
 124
 125                 fl_show_form(form(),
 126                              FL_PLACE_MOUSE | FL_FREE_SIZE,
 127                              (lyxrc.dialogs_iconify_with_main ? FL_TRANSIENT : 0),
 128                              title_.c_str());
 129         }
 130
 131         tooltips().set();
 132 }
 133
 134
 135 void FormBaseDeprecated::hide()
 136 {
 137         // xforms sometimes tries to process a hint-type MotionNotify, and
 138         // use XQueryPointer, without verifying if the window still exists.
 139         // So we try to clear out motion events in the queue before the
 140         // DestroyNotify
 141         XSync(fl_get_display(), false);
 142
 143         if (form() && form()->visible) {
 144                 // some dialogs might do things to the form first
 145                 // such as the nested tabfolder problem in Preferences
 146                 disconnect();
 147                 fl_hide_form(form());
 148         }
 149 }
 150
 151
 152 void FormBaseDeprecated::setPrehandler(FL_OBJECT * ob)
 153 {
 154         lyx::Assert(ob);
 155         fl_set_object_prehandler(ob, C_PrehandlerCB);
 156 }
 157
 158
 159 void FormBaseDeprecated::WMHideCB()
 160 {
 161         hide();
 162         bc().hide();
 163 }
 164
 165
 166 void FormBaseDeprecated::ApplyCB()
 167 {
 168         apply();
 169         bc().apply();
 170 }
 171
 172
 173 void FormBaseDeprecated::OKCB()
 174 {
 175         ok();
 176         bc().ok();
 177 }
 178
 179
 180 void FormBaseDeprecated::CancelCB()
 181 {
 182         cancel();
 183         bc().cancel();
 184 }
 185
 186
 187 void FormBaseDeprecated::InputCB(FL_OBJECT * ob, long data)
 188 {
 189         // It is possible to set the choice to 0 when using the
 190         // keyboard shortcuts. This work-around deals with the problem.
 191         if (ob && ob->objclass == FL_CHOICE && fl_get_choice(ob) < 1) {
 192                 fl_set_choice(ob, 1);
 193         }
 194
 195         bc().valid(input(ob, data));
 196 }
 197
 198
 199 void FormBaseDeprecated::RestoreCB()
 200 {
 201         bc().restore();
 202         restore();
 203 }
 204
 205
 206 FormBaseBI::FormBaseBI(LyXView * lv, Dialogs * d, string const & t,
 207                        bool allowResize)
 208         : FormBaseDeprecated(lv, d, t, allowResize)
 209 {}
 210
 211
 212 void FormBaseBI::connect()
 213 {
 214         h_ = d_->hideAll.connect(boost::bind(&FormBaseBI::hide, this));
 215         FormBaseDeprecated::connect();
 216 }
 217
 218
 219 FormBaseBD::FormBaseBD(LyXView * lv, Dialogs * d, string const & t,
 220                        bool allowResize)
 221         : FormBaseDeprecated(lv, d, t, allowResize)
 222 {}
 223
 224
 225 void FormBaseBD::connect()
 226 {
 227         u_ = d_->updateBufferDependent.
 228                 connect(boost::bind(&FormBaseBD::updateSlot, this, _1));
 229         h_ = d_->hideBufferDependent.
 230                 connect(boost::bind(&FormBaseBD::hide, this));
 231         FormBaseDeprecated::connect();
 232 }
 233
 234
 235 void FormBaseBD::disconnect()
 236 {
 237         u_.disconnect();
 238         FormBaseDeprecated::disconnect();
 239 }
 240
 241
 242 namespace {
 243
 244 FormBaseDeprecated * GetForm(FL_OBJECT * ob)
 245 {
 246         lyx::Assert(ob && ob->form && ob->form->u_vdata);
 247         FormBaseDeprecated * ptr =
 248                 static_cast<FormBaseDeprecated *>(ob->form->u_vdata);
 249         return ptr;
 250 }
 251
 252 } // namespace anon
 253
 254
 255 extern "C" {
 256
 257 void C_FormBaseDeprecatedApplyCB(FL_OBJECT * ob, long)
 258 {
 259         GetForm(ob)->ApplyCB();
 260 }
 261
 262
 263 void C_FormBaseDeprecatedOKCB(FL_OBJECT * ob, long)
 264 {
 265         GetForm(ob)->OKCB();
 266 }
 267
 268
 269 void C_FormBaseDeprecatedCancelCB(FL_OBJECT * ob, long)
 270 {
 271         GetForm(ob)->CancelCB();
 272 }
 273
 274
 275 void C_FormBaseDeprecatedInputCB(FL_OBJECT * ob, long d)
 276 {
 277         GetForm(ob)->InputCB(ob, d);
 278 }
 279
 280
 281 void C_FormBaseDeprecatedRestoreCB(FL_OBJECT * ob, long)
 282 {
 283         GetForm(ob)->RestoreCB();
 284 }
 285
 286 static int C_WMHideCB(FL_FORM * form, void *)
 287 {
 288         // Close the dialog cleanly, even if the WM is used to do so.
 289         lyx::Assert(form && form->u_vdata);
 290         FormBaseDeprecated * ptr =
 291                 static_cast<FormBaseDeprecated *>(form->u_vdata);
 292         ptr->WMHideCB();
 293         return FL_CANCEL;
 294 }
 295
 296 static int C_PrehandlerCB(FL_OBJECT * ob, int event,
 297                           FL_Coord, FL_Coord, int key, void *)
 298 {
 299         // Note that the return value is important in the pre-emptive handler.
 300         // Don't return anything other than 0.
 301         lyx::Assert(ob);
 302
 303         // Don't Assert this one, as it can happen quite naturally when things
 304         // are being deleted in the d-tor.
 305         //Assert(ob->form);
 306         if (!ob->form) return 0;
 307
 308         FormBaseDeprecated * ptr =
 309                 static_cast<FormBaseDeprecated *>(ob->form->u_vdata);
 310
 311         if (ptr)
 312                 ptr->PrehandlerCB(ob, event, key);
 313
 314         return 0;
 315 }
 316
 317 } // extern "C"