src/frontends/xforms/FormBase.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include FORMS_H_LOCATION
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include "Dialogs.h"
  21 #include "FormBase.h"
  22 #include "LyXView.h"
  23 #include "support/LAssert.h"
  24 //#include "debug.h"
  25
  26 extern "C" int C_FormBaseWMHideCB(FL_FORM * ob, void * d)
  27 {
  28         return FormBase::WMHideCB(ob, d);
  29 }
  30 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long d)
  31 {
  32         FormBase::ApplyCB(ob, d);
  33 }
  34 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long d)
  35 {
  36         FormBase::OKCB(ob, d);
  37 }
  38 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long d)
  39 {
  40         FormBase::CancelCB(ob, d);
  41 }
  42 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
  43 {
  44         FormBase::InputCB(ob, d);
  45 }
  46 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long d)
  47 {
  48         FormBase::RestoreCB(ob, d);
  49 }
  50
  51
  52 FormBase::FormBase(LyXView * lv, Dialogs * d, string const & t,
  53                    ButtonPolicy * bp, char const * close, char const * cancel)
  54         : lv_(lv), bc_(bp, cancel, close), d_(d), h_(0), r_(0), title(t),
  55           bp_(bp), minw_(0), minh_(0)
  56 {
  57         Assert(lv && d && bp);
  58 }
  59
  60
  61 FormBase::~FormBase()
  62 {
  63         delete bp_;
  64 }
  65
  66
  67 void FormBase::redraw()
  68 {
  69         if (form() && form()->visible)
  70                 fl_redraw_form(form());
  71 }
  72
  73
  74 void FormBase::connect()
  75 {
  76         fl_set_form_minsize(form(), minw_, minh_);
  77         r_ = Dialogs::redrawGUI.connect(slot(this, &FormBase::redraw));
  78 }
  79
  80
  81 void FormBase::disconnect()
  82 {
  83         h_.disconnect();
  84         r_.disconnect();
  85 }
  86
  87
  88 void FormBase::show()
  89 {
  90         if (!form()) {
  91                 build();
  92                 fl_set_form_atclose(form(),
  93                                     C_FormBaseWMHideCB, 0);
  94         }
  95
  96         fl_freeze_form(form());
  97         update();  // make sure its up-to-date
  98         fl_unfreeze_form(form());
  99
 100         if (form()->visible) {
 101                 fl_raise_form(form());
 102         } else {
 103                 // calls to fl_set_form_minsize/maxsize apply only to the next
 104                 // fl_show_form(), so connect() comes first.
 105                 connect();
 106                 fl_show_form(form(),
 107                              FL_PLACE_MOUSE | FL_FREE_SIZE,
 108                              FL_TRANSIENT,
 109                              title.c_str());
 110         }
 111 }
 112
 113
 114 void FormBase::hide()
 115 {
 116         if (form() && form()->visible) {
 117                 // some dialogs might do things to the form first
 118                 // such as the nested tabfolder problem in Preferences
 119                 disconnect();
 120                 fl_hide_form(form());
 121         }
 122 }
 123
 124
 125 int FormBase::WMHideCB(FL_FORM * form, void *)
 126 {
 127         Assert(form);
 128         // Ensure that the signals (u and h) are disconnected even if the
 129         // window manager is used to close the dialog.
 130         FormBase * pre = static_cast<FormBase*>(form->u_vdata);
 131         Assert(pre);
 132         pre->hide();
 133         pre->bc_.hide();
 134         return FL_CANCEL;
 135 }
 136
 137
 138 void FormBase::ApplyCB(FL_OBJECT * ob, long)
 139 {
 140         Assert(ob && ob->form);
 141         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 142         Assert(pre);
 143         pre->apply();
 144         pre->bc_.apply();
 145 }
 146
 147
 148 void FormBase::OKCB(FL_OBJECT * ob, long)
 149 {
 150         Assert(ob && ob->form);
 151         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 152         Assert(pre);
 153         pre->ok();
 154         pre->bc_.ok();
 155 }
 156
 157
 158 void FormBase::CancelCB(FL_OBJECT * ob, long)
 159 {
 160         Assert(ob && ob->form);
 161         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 162         Assert(pre);
 163         pre->cancel();
 164         pre->bc_.cancel();
 165 }
 166
 167
 168 void FormBase::InputCB(FL_OBJECT * ob, long data)
 169 {
 170         Assert(ob && ob->form);
 171         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 172         Assert(ob);
 173         pre->bc_.valid(pre->input(ob, data), ob);
 174 }
 175
 176
 177 void FormBase::RestoreCB(FL_OBJECT * ob, long)
 178 {
 179         Assert(ob && ob->form);
 180         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 181         Assert(ob);
 182         pre->bc_.undoAll();
 183         pre->restore();
 184 }
 185
 186
 187 FormBaseBI::FormBaseBI(LyXView * lv, Dialogs * d, string const & t,
 188                        ButtonPolicy * bp,
 189                        char const * close, char const * cancel)
 190         : FormBase(lv, d, t, bp, close, cancel)
 191 {}
 192
 193
 194 void FormBaseBI::connect()
 195 {
 196         h_ = d_->hideAll.connect(slot(this, &FormBaseBI::hide));
 197         FormBase::connect();
 198 }
 199
 200
 201 FormBaseBD::FormBaseBD(LyXView * lv, Dialogs * d, string const & t,
 202                        ButtonPolicy * bp,
 203                        char const * close, char const * cancel)
 204         : FormBase(lv, d, t, bp, close, cancel),
 205           u_(0)
 206 {}
 207
 208
 209 void FormBaseBD::connect()
 210 {
 211         u_ = d_->updateBufferDependent.
 212                  connect(slot(this, &FormBaseBD::updateSlot));
 213         h_ = d_->hideBufferDependent.
 214                  connect(slot(this, &FormBaseBD::hide));
 215         FormBase::connect();
 216 }
 217
 218
 219 void FormBaseBD::disconnect()
 220 {
 221         u_.disconnect();
 222         FormBase::disconnect();
 223 }