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