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