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 FORMS_H_LOCATION
  21
  22 #include "lyxrc.h"
  23
  24 #include "frontends/LyXView.h"
  25
  26 #include "support/LAssert.h"
  27
  28 #include <boost/bind.hpp>
  29
  30 extern "C" {
  31
  32 // Callback function invoked by xforms when the dialog is closed by the
  33 // window manager
  34 static int C_WMHideCB(FL_FORM *, void *);
  35
  36 // Callback function invoked by the xforms pre- and post-handler routines
  37 static int C_PrehandlerCB(FL_OBJECT *, int, FL_Coord, FL_Coord, int, void *);
  38
  39 } // extern "C"
  40
  41
  42 FormBaseDeprecated::FormBaseDeprecated(LyXView * lv, Dialogs * d,
  43                                        string const & t, bool allowResize)
  44         : lv_(lv), d_(d), title_(t),
  45           minw_(0), minh_(0), allow_resize_(allowResize),
  46           tooltips_(new Tooltips)
  47 {
  48         lyx::Assert(lv && d);
  49 }
  50
  51
  52 FormBaseDeprecated::~FormBaseDeprecated()
  53 {
  54         delete tooltips_;
  55 }
  56
  57
  58 Tooltips & FormBaseDeprecated::tooltips()
  59 {
  60         return *tooltips_;
  61 }
  62
  63
  64 void FormBaseDeprecated::redraw()
  65 {
  66         if (form() && form()->visible)
  67                 fl_redraw_form(form());
  68 }
  69
  70
  71 void FormBaseDeprecated::connect()
  72 {
  73         fl_set_form_minsize(form(), minw_, minh_);
  74         r_ = Dialogs::redrawGUI.connect(boost::bind(&FormBaseDeprecated::redraw, this));
  75 }
  76
  77
  78 void FormBaseDeprecated::disconnect()
  79 {
  80         h_.disconnect();
  81         r_.disconnect();
  82 }
  83
  84
  85 void FormBaseDeprecated::show()
  86 {
  87         if (!form()) {
  88                 build();
  89
  90                 double const scale = scale_to_fit_tabs(form());
  91                 if (scale > 1.001)
  92                         scale_form(form(), scale);
  93
  94                 bc().refresh();
  95
  96                 // work around dumb xforms sizing bug
  97                 minw_ = form()->w;
  98                 minh_ = form()->h;
  99
 100                 fl_set_form_atclose(form(), C_WMHideCB, 0);
 101         }
 102
 103         fl_freeze_form(form());
 104         update();
 105         fl_unfreeze_form(form());
 106
 107         if (form()->visible) {
 108                 fl_raise_form(form());
 109                 /* This XMapWindow() will hopefully ensure that
 110                  * iconified dialogs are de-iconified. Mad props
 111                  * out to those crazy Xlib guys for forgetting a
 112                  * XDeiconifyWindow(). At least WindowMaker, when
 113                  * being notified of the redirected MapRequest will
 114                  * specifically de-iconify. From source, fvwm2 seems
 115                  * to do the same.
 116                  */
 117                 XMapWindow(fl_get_display(), form()->window);
 118         } else {
 119                 connect();
 120
 121                 // calls to fl_set_form_minsize/maxsize apply only to the next
 122                 // fl_show_form(), so this comes first.
 123                 fl_set_form_minsize(form(), minw_, minh_);
 124                 if (!allow_resize_)
 125                         fl_set_form_maxsize(form(), minw_, minh_);
 126
 127                 fl_show_form(form(),
 128                              FL_PLACE_MOUSE | FL_FREE_SIZE,
 129                              (lyxrc.dialogs_iconify_with_main ? FL_TRANSIENT : 0),
 130                              title_.c_str());
 131         }
 132
 133         tooltips().set();
 134 }
 135
 136
 137 void FormBaseDeprecated::hide()
 138 {
 139         // xforms sometimes tries to process a hint-type MotionNotify, and
 140         // use XQueryPointer, without verifying if the window still exists.
 141         // So we try to clear out motion events in the queue before the
 142         // DestroyNotify
 143         XSync(fl_get_display(), false);
 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"