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