src/frontends/qt2/QMathDialog.C

   1 /**
   2  * \file QMathDialog.C
   3  * Copyright 2001 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 "debug.h"
  13
  14 #include "QMathDialog.h"
  15 #include "QMath.h"
  16
  17 #include "ControlMath.h"
  18 #include "iconpalette.h"
  19
  20 #include <qwidgetstack.h>
  21 #include <qcombobox.h>
  22 #include <qlistbox.h>
  23 #include <qpixmap.h>
  24 #include <qscrollview.h>
  25 #include <qlayout.h>
  26
  27 using std::min;
  28 using std::max;
  29 using std::endl;
  30
  31 class QScrollViewSingle : public QScrollView {
  32 public:
  33         QScrollViewSingle(QWidget * p)
  34                 : QScrollView(p) {
  35                 setResizePolicy(Manual);
  36                 setHScrollBarMode(AlwaysOff);
  37                 setVScrollBarMode(AlwaysOn);
  38                 setMinimumHeight(200);
  39                 setBackgroundMode(PaletteBackground);
  40                 viewport()->setBackgroundMode(PaletteBackground);
  41         }
  42
  43         void setChild(QWidget * w) {
  44                 w_ = w;
  45                 setMinimumWidth(verticalScrollBar()->width() + w_->width() + 4);
  46                 addChild(w_);
  47         }
  48
  49 protected:
  50         virtual void resizeEvent(QResizeEvent * e) {
  51                 QScrollView::resizeEvent(e);
  52                 if (!w_)
  53                         return;
  54
  55                 w_->resize(viewport()->width(), w_->height());
  56                 resizeContents(w_->width(), w_->height());
  57                 setMinimumHeight(200);
  58         }
  59
  60 private:
  61         QWidget * w_;
  62 };
  63
  64
  65 QMathDialog::QMathDialog(QMath * form)
  66         : QMathDialogBase(0, 0, false, 0),
  67         form_(form)
  68 {
  69         connect(symbolsCO, SIGNAL(activated(int)), symbolsWS, SLOT(raiseWidget(int)));
  70
  71         for (int i = 0; *function_names[i]; ++i) {
  72                 functionsLB->insertItem(function_names[i]);
  73         }
  74
  75         addPanel("operators", latex_bop);
  76         addPanel("bigoperators", latex_varsz);
  77         addPanel("relations", latex_brel);
  78         addPanel("greek", latex_greek);
  79         addPanel("arrows", latex_arrow);
  80         addPanel("dots", latex_dots);
  81         addPanel("deco", latex_deco);
  82         addPanel("misc", latex_misc);
  83         addPanel("amsoperators", latex_ams_ops);
  84         addPanel("amsrelations", latex_ams_rel);
  85         addPanel("amsnegrelations", latex_ams_nrel);
  86         addPanel("amsarrows", latex_ams_arrows);
  87         addPanel("amsmisc", latex_ams_misc);
  88         symbolsWS->raiseWidget(0);
  89         symbolsWS->resize(symbolsWS->sizeHint());
  90 }
  91
  92
  93 void QMathDialog::addPanel(string const & name, char const ** entries)
  94 {
  95         static int id = 0;
  96
  97         QScrollViewSingle * view = new QScrollViewSingle(symbolsWS);
  98         IconPalette * p = new IconPalette(view->viewport());
  99
 100         for (int i = 0; *entries[i]; ++i) {
 101                 string xpm_name = LibFileSearch("images/math/", entries[i], "xpm");
 102                 p->add(QPixmap(xpm_name.c_str()), entries[i], string("\\") + entries[i]);
 103         }
 104         connect(p, SIGNAL(button_clicked(string)), this, SLOT(symbol_clicked(string)));
 105
 106         view->setChild(p);
 107         symbolsWS->addWidget(view, id++);
 108 }
 109
 110
 111 void QMathDialog::symbol_clicked(string str)
 112 {
 113         form_->insert_symbol(str);
 114 }
 115
 116
 117 void QMathDialog::fracClicked()
 118 {
 119         form_->insert_symbol("frac");
 120 }
 121
 122
 123 void QMathDialog::sqrtClicked()
 124 {
 125         form_->insert_symbol("sqrt");
 126 }
 127
 128
 129 void QMathDialog::delimiterClicked()
 130 {
 131 }
 132
 133
 134 void QMathDialog::expandClicked()
 135 {
 136 }
 137
 138
 139
 140 void QMathDialog::functionSelected(const QString & str)
 141 {
 142         form_->insert_symbol(str.latin1());
 143 }
 144
 145
 146 void QMathDialog::matrixClicked()
 147 {
 148 }
 149
 150
 151 void QMathDialog::spaceClicked()
 152 {
 153 }
 154
 155
 156 void QMathDialog::styleClicked()
 157 {
 158 }
 159
 160
 161 void QMathDialog::subscriptClicked()
 162 {
 163         form_->subscript();
 164 }
 165
 166
 167 void QMathDialog::superscriptClicked()
 168 {
 169         form_->superscript();
 170 }