src/frontends/xforms/FormUrl.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
  21 #include "gettext.h"
  22 #include "BufferView.h"
  23 #include "Dialogs.h"
  24 #include "FormUrl.h"
  25 #include "LyXView.h"
  26 #include "buffer.h"
  27 #include "form_url.h"
  28 #include "lyxfunc.h"
  29 #include "xform_macros.h"
  30 #include "insets/insetcommand.h"
  31 #include "insets/inseturl.h"
  32 #include "support/filetools.h"
  33
  34 C_RETURNCB(FormUrl, WMHideCB)
  35 C_GENERICCB(FormUrl, OKCB)
  36 C_GENERICCB(FormUrl, CancelCB)
  37
  38 FormUrl::FormUrl(LyXView * lv, Dialogs * d)
  39         : dialog_(0), lv_(lv), d_(d), u_(0), h_(0), ih_(0),
  40           inset_(0), dialogIsOpen(false)
  41 {
  42         // let the dialog be shown
  43         // These are permanent connections so we won't bother
  44         // storing a copy because we won't be disconnecting.
  45         d->showUrl.connect(slot(this, &FormUrl::showInset));
  46         d->createUrl.connect(slot(this, &FormUrl::createInset));
  47         params = new InsetCommandParams();
  48 }
  49
  50
  51 FormUrl::~FormUrl()
  52 {
  53         free();
  54         delete params;
  55 }
  56
  57
  58 void FormUrl::build()
  59 {
  60         dialog_ = build_url();
  61 }
  62
  63
  64 void FormUrl::showInset( InsetUrl * inset )
  65 {
  66         if( dialogIsOpen || inset == 0 ) return;
  67
  68         inset_ = inset;
  69         ih_ = inset_->hide.connect(slot(this, &FormUrl::hide));
  70
  71         (*params) = inset->params();
  72         show();
  73 }
  74
  75
  76 void FormUrl::createInset( string const & arg )
  77 {
  78         if( dialogIsOpen ) return;
  79
  80         params->setFromString( arg );
  81         show();
  82 }
  83
  84
  85 void FormUrl::show()
  86 {
  87         if (!dialog_) {
  88                 build();
  89                 fl_set_form_atclose(dialog_->form_url,
  90                                     C_FormUrlWMHideCB, 0);
  91         }
  92
  93         update();  // make sure its up-to-date
  94
  95         dialogIsOpen = true;
  96         if (dialog_->form_url->visible) {
  97                 fl_raise_form(dialog_->form_url);
  98         } else {
  99                 fl_show_form(dialog_->form_url,
 100                              FL_PLACE_MOUSE | FL_FREE_SIZE,
 101                              FL_TRANSIENT,
 102                              _("Url"));
 103                 u_ = d_->updateBufferDependent.
 104                          connect(slot(this, &FormUrl::update));
 105                 h_ = d_->hideBufferDependent.
 106                          connect(slot(this, &FormUrl::hide));
 107         }
 108 }
 109
 110
 111 void FormUrl::update()
 112 {
 113         fl_set_input(dialog_->url,  params->getContents().c_str());
 114         fl_set_input(dialog_->name, params->getOptions().c_str());
 115
 116         if ( params->getCmdName() == "url" )
 117                 fl_set_button(dialog_->radio_html, 0);
 118         else
 119                 fl_set_button(dialog_->radio_html, 1);
 120
 121         static int ow = -1, oh;
 122
 123         if (ow < 0) {
 124                 ow = dialog_->form_url->w;
 125                 oh = dialog_->form_url->h;
 126         }
 127
 128         fl_set_form_minsize(dialog_->form_url, ow, oh);
 129         fl_set_form_maxsize(dialog_->form_url, 2*ow, oh);
 130 }
 131
 132
 133 void FormUrl::apply()
 134 {
 135         if( lv_->buffer()->isReadonly() ) return;
 136
 137         params->setContents( fl_get_input(dialog_->url) );
 138         params->setOptions( fl_get_input(dialog_->name) );
 139
 140         if (fl_get_button(dialog_->radio_html))
 141                 params->setCmdName("htmlurl");
 142         else
 143                 params->setCmdName("url");
 144
 145         if( inset_ != 0 )
 146         {
 147                 inset_->setParams( *params );
 148                 lv_->view()->updateInset( inset_, true );
 149         } else {
 150                 lv_->getLyXFunc()->Dispatch( LFUN_INSERT_URL,
 151                                              params->getAsString().c_str() );
 152         }
 153 }
 154
 155
 156 void FormUrl::hide()
 157 {
 158         if (dialog_
 159             && dialog_->form_url
 160             && dialog_->form_url->visible) {
 161                 fl_hide_form(dialog_->form_url);
 162                 u_.disconnect();
 163                 h_.disconnect();
 164         }
 165
 166         // free up the dialog for another inset
 167         inset_ = 0;
 168         ih_.disconnect();
 169         dialogIsOpen = false;
 170 }
 171
 172
 173 void FormUrl::free()
 174 {
 175         // we don't need to delete u and h here because
 176         // hide() does that after disconnecting.
 177         if (dialog_) {
 178                 if (dialog_->form_url
 179                     && dialog_->form_url->visible) {
 180                         hide();
 181                 }
 182                 fl_free_form(dialog_->form_url);
 183                 delete dialog_;
 184                 dialog_ = 0;
 185         }
 186 }
 187
 188
 189 int FormUrl::WMHideCB(FL_FORM * form, void *)
 190 {
 191         // Ensure that the signals (u and h) are disconnected even if the
 192         // window manager is used to close the dialog.
 193         FormUrl * pre = static_cast<FormUrl*>(form->u_vdata);
 194         pre->hide();
 195         return FL_CANCEL;
 196 }
 197
 198
 199 void FormUrl::OKCB(FL_OBJECT * ob, long)
 200 {
 201         FormUrl * pre = static_cast<FormUrl*>(ob->form->u_vdata);
 202         pre->apply();
 203         pre->hide();
 204 }
 205
 206
 207 void FormUrl::CancelCB(FL_OBJECT * ob, long)
 208 {
 209         FormUrl * pre = static_cast<FormUrl*>(ob->form->u_vdata);
 210         pre->hide();
 211 }