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