src/frontends/qt2/QCommandBuffer.C

   1 /**
   2  * \file QCommandBuffer.C
   3  * Copyright 2002 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author John Levon <moz@compsoc.man.ac.uk>
   7  */
   8
   9 #include <config.h>
  10
  11 #include "support/filetools.h"
  12 #include "controllers/ControlCommandBuffer.h"
  13 #include "gettext.h"
  14
  15 #include "QtView.h"
  16 #include "QCommandBuffer.h"
  17 #include "QCommandEdit.h"
  18
  19 #include <qcombobox.h>
  20 #include <qtoolbutton.h>
  21 #include <qsize.h>
  22 #include <qpixmap.h>
  23
  24 namespace {
  25
  26 class QTempComboBox : public QComboBox {
  27 public:
  28         QTempComboBox(QWidget * parent) : QComboBox(parent) {
  29                 setWFlags(WDestructiveClose);
  30         }
  31
  32         void popup() { QComboBox::popup(); }
  33 };
  34
  35 };
  36
  37 QCommandBuffer::QCommandBuffer(QtView * view, ControlCommandBuffer & control)
  38         : QToolBar(view), view_(view), controller_(control)
  39 {
  40         setHorizontalStretchable(true);
  41
  42         QPixmap qp(LibFileSearch("images", "unknown", "xpm").c_str());
  43
  44         QToolButton * upb = new QToolButton(qp, _("Up"), "", this, SLOT(up()), this);
  45         upb->setMinimumSize(upb->sizeHint());
  46         upb->show();
  47
  48         QToolButton * downb = new QToolButton(qp, _("Down"), "", this, SLOT(down()), this);
  49         downb->setMinimumSize(downb->sizeHint());
  50         downb->show();
  51
  52         edit_ = new QCommandEdit(this);
  53         edit_->setMinimumSize(edit_->sizeHint());
  54         edit_->show();
  55         setStretchableWidget(edit_);
  56
  57         setMinimumSize(sizeHint());
  58         show();
  59
  60         connect(edit_, SIGNAL(escapePressed()), this, SLOT(cancel()));
  61         connect(edit_, SIGNAL(returnPressed()), this, SLOT(dispatch()));
  62         connect(edit_, SIGNAL(rightPressed()), this, SLOT(complete()));
  63         connect(edit_, SIGNAL(upPressed()), this, SLOT(up()));
  64         connect(edit_, SIGNAL(downPressed()), this, SLOT(down()));
  65 }
  66
  67
  68
  69 void QCommandBuffer::focus_command()
  70 {
  71         edit_->setFocus();
  72 }
  73
  74
  75 void QCommandBuffer::cancel()
  76 {
  77         view_->centralWidget()->setFocus();
  78         edit_->setText("");
  79 }
  80
  81
  82 void QCommandBuffer::dispatch()
  83 {
  84         controller_.dispatch(edit_->text().latin1());
  85         view_->centralWidget()->setFocus();
  86         edit_->setText("");
  87 }
  88
  89
  90 void QCommandBuffer::complete()
  91 {
  92         string const input = edit_->text().latin1();
  93         string new_input;
  94         vector<string> comp = controller_.completions(input, new_input);
  95
  96         if (comp.empty() && new_input == input) {
  97         //      show_info_suffix(_("[no match]"), input);
  98                 return;
  99         }
 100
 101         if (comp.empty()) {
 102                 edit_->setText(new_input.c_str());
 103         //      show_info_suffix(("[only completion]"), new_input + " ");
 104                 return;
 105         }
 106
 107         edit_->setText(new_input.c_str());
 108
 109         QTempComboBox * combo = new QTempComboBox(view_);
 110         combo->move(edit_->x() + x(), edit_->y() + y());
 111
 112         vector<string>::const_iterator cit = comp.begin();
 113         vector<string>::const_iterator end = comp.end();
 114         for (; cit != end; ++cit) {
 115                 combo->insertItem(cit->c_str());
 116         }
 117
 118         combo->setMinimumWidth(combo->sizeHint().width());
 119         combo->resize(combo->width(), edit_->height());
 120
 121         connect(combo, SIGNAL(activated(const QString &)),
 122                 this, SLOT(complete_selected(const QString &)));
 123
 124         combo->show();
 125         combo->setFocus();
 126         combo->popup();
 127 }
 128
 129
 130 void QCommandBuffer::complete_selected(const QString & str)
 131 {
 132         edit_->setText(str + " ");
 133         // FIXME
 134         QWidget const * widget = static_cast<QWidget const *>(sender());
 135         edit_->setFocus();
 136         const_cast<QWidget *>(widget)->hide();
 137 }
 138
 139
 140 void QCommandBuffer::up()
 141 {
 142         string const input = edit_->text().latin1();
 143         string const h(controller_.historyUp());
 144
 145         if (h.empty()) {
 146         //      show_info_suffix(_("[Beginning of history]"), input);
 147         } else {
 148                 edit_->setText(h.c_str());
 149         }
 150 }
 151
 152
 153 void QCommandBuffer::down()
 154 {
 155         string const input = edit_->text().latin1();
 156         string const h(controller_.historyDown());
 157
 158         if (h.empty()) {
 159         //      show_info_suffix(_("[End of history]"), input);
 160         } else {
 161                 edit_->setText(h.c_str());
 162         }
 163 }
 164
 165
 166 #if 0
 167 void XMiniBuffer::show_info_suffix(string const & suffix, string const & input)
 168 {
 169         stored_input_ = input;
 170         info_suffix_shown_ = true;
 171         set_input(input + " " + suffix);
 172         suffix_timer_->start();
 173 }
 174
 175
 176 void XMiniBuffer::suffix_timeout()
 177 {
 178         info_suffix_shown_ = false;
 179         set_input(stored_input_);
 180 }
 181
 182 #endif