lyx_mirror/src/frontends/qt2/QMathDialog.C
Lars Gullik Bjønnes 44cd0fc9a1 The std::string mammoth path.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7862 a592a061-630c-0410-9148-cb99ea01b6c8
2003-10-06 15:43:21 +00:00

310 lines
7.1 KiB
C

/**
* \file QMathDialog.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "qt_helpers.h"
#include "ControlMath.h"
#include "QMathDialog.h"
#include "QMath.h"
#include "iconpalette.h"
#include <qwidgetstack.h>
#include <qcombobox.h>
#include <qpushbutton.h>
#include <qlistbox.h>
#include <qpopupmenu.h>
using std::string;
class QScrollViewSingle : public QScrollView {
public:
QScrollViewSingle(QWidget * p)
: QScrollView(p), w_(0) {
setResizePolicy(Manual);
setHScrollBarMode(AlwaysOff);
setVScrollBarMode(AlwaysOn);
setBackgroundMode(PaletteBackground);
viewport()->setBackgroundMode(PaletteBackground);
}
void setChild(QWidget * w) {
w_ = w;
setMinimumWidth(verticalScrollBar()->width() + w_->width() + 4);
addChild(w_);
}
protected:
virtual void resizeEvent(QResizeEvent * e) {
QScrollView::resizeEvent(e);
if (!w_)
return;
w_->resize(viewport()->width(), w_->height());
// force the resize to get accurate scrollbars
qApp->processEvents();
resizeContents(w_->width(), w_->height());
}
private:
QWidget * w_;
};
namespace {
char const ** panels[] = {
latex_bop, latex_varsz, latex_brel, latex_greek, latex_arrow,
latex_dots, latex_deco, latex_misc, latex_ams_ops,
latex_ams_rel, latex_ams_nrel, latex_ams_arrows,
latex_ams_misc
};
int const nr_panels = sizeof(panels)/sizeof(panels[0]);
bool panel_initialised[nr_panels];
} // namespace anon
QMathDialog::QMathDialog(QMath * form)
: QMathDialogBase(0, 0, false, 0),
form_(form)
{
// enlarge the symbols ComboBox (no scrollbar)
symbolsCO->setSizeLimit(13);
connect(symbolsCO, SIGNAL(activated(int)), symbolsWS, SLOT(raiseWidget(int)));
for (int i = 0; *function_names[i]; ++i) {
functionsLB->insertItem(function_names[i]);
}
for (int i = 0; i < nr_panels; ++i) {
QScrollViewSingle * view = new QScrollViewSingle(symbolsWS);
symbolsWS->addWidget(view, i);
}
// aboutToShow() only fires when != 0 in Qt 2 !
symbolsWS->raiseWidget(0);
addPanel(0);
panel_initialised[0] = true;
connect(symbolsWS, SIGNAL(aboutToShow(int)), this, SLOT(showingPanel(int)));
QPopupMenu * m = new QPopupMenu(spacePB);
m->setCaption(qt_("LyX: Insert space"));
m->insertTearOffHandle();
m->insertItem(qt_("Thin space \\,"), 1);
m->insertItem(qt_("Medium space \\:"), 2);
m->insertItem(qt_("Thick space \\;"), 3);
m->insertItem(qt_("Quadratin space \\quad"), 4);
m->insertItem(qt_("Double quadratin space \\qquad"), 5);
m->insertItem(qt_("Negative space \\!"), 6);
connect(m, SIGNAL(activated(int)), this, SLOT(insertSpace(int)));
spacePB->setPopup(m);
m = new QPopupMenu(sqrtPB);
m->setCaption(qt_("LyX: Insert root"));
m->insertTearOffHandle();
m->insertItem(qt_("Square root \\sqrt"), 1);
m->insertItem(qt_("Cube root \\root"), 2);
m->insertItem(qt_("Other root \\root"), 3);
connect(m, SIGNAL(activated(int)), this, SLOT(insertRoot(int)));
sqrtPB->setPopup(m);
m = new QPopupMenu(stylePB);
m->setCaption(qt_("LyX: Set math style"));
m->insertTearOffHandle();
m->insertItem(qt_("Display style \\displaystyle"), 1);
m->insertItem(qt_("Normal text style \\textstyle"), 2);
m->insertItem(qt_("Script (small) style \\scriptstyle"), 3);
m->insertItem(qt_("Scriptscript (smaller) style \\scriptscriptstyle"), 4);
connect(m, SIGNAL(activated(int)), this, SLOT(insertStyle(int)));
stylePB->setPopup(m);
m = new QPopupMenu(fontPB);
m->setCaption(qt_("LyX: Set math font"));
m->insertTearOffHandle();
m->insertItem(qt_("Roman \\mathrm"), 1);
m->insertItem(qt_("Bold \\mathbf"), 2);
m->insertItem(qt_("Sans serif \\mathsf"), 3);
m->insertItem(qt_("Italic \\mathit"), 4);
m->insertItem(qt_("Typewriter \\mathtt"), 5);
m->insertItem(qt_("Blackboard \\mathbb"), 6);
m->insertItem(qt_("Fraktur \\mathfrak"), 7);
m->insertItem(qt_("Calligraphic \\mathcal"), 8);
m->insertItem(qt_("Normal text mode \\textrm"), 9);
connect(m, SIGNAL(activated(int)), this, SLOT(insertFont(int)));
fontPB->setPopup(m);
}
void QMathDialog::showingPanel(int num)
{
if (panel_initialised[num])
return;
addPanel(num);
// Qt needs to catch up. Dunno why.
qApp->processEvents();
panel_initialised[num] = true;
}
IconPalette * QMathDialog::makePanel(QWidget * parent, char const ** entries)
{
IconPalette * p = new IconPalette(parent);
for (int i = 0; *entries[i]; ++i) {
p->add(QPixmap(toqstr(find_xpm(entries[i]))), entries[i], string("\\") + entries[i]);
}
connect(p, SIGNAL(button_clicked(const string &)), this, SLOT(symbol_clicked(const string &)));
return p;
}
void QMathDialog::addPanel(int num)
{
QScrollViewSingle * view = static_cast<QScrollViewSingle*>(symbolsWS->widget(num));
IconPalette * p = makePanel(view->viewport(), panels[num]);
view->setChild(p);
}
void QMathDialog::symbol_clicked(const string & str)
{
form_->controller().dispatchInsert(str);
}
void QMathDialog::fracClicked()
{
form_->controller().dispatchInsert("frac");
}
void QMathDialog::delimiterClicked()
{
form_->controller().showDialog("mathdelimiter");
}
void QMathDialog::expandClicked()
{
int const id = symbolsWS->id(symbolsWS->visibleWidget());
IconPalette * p = makePanel(0, panels[id]);
string s = "LyX: ";
s += fromqstr(symbolsCO->text(id));
p->setCaption(toqstr(s));
p->resize(40 * 5, p->height());
p->show();
p->setMaximumSize(p->width(), p->height());
}
void QMathDialog::functionSelected(const QString & str)
{
form_->controller().dispatchInsert(fromqstr(str));
}
void QMathDialog::matrixClicked()
{
form_->controller().showDialog("mathmatrix");
}
void QMathDialog::equationClicked()
{
form_->controller().dispatchToggleDisplay();
}
void QMathDialog::subscriptClicked()
{
form_->controller().dispatchSubscript();
}
void QMathDialog::superscriptClicked()
{
form_->controller().dispatchSuperscript();
}
void QMathDialog::insertSpace(int id)
{
string str;
switch (id) {
case 1: str = ","; break;
case 2: str = ":"; break;
case 3: str = ";"; break;
case 4: str = "quad"; break;
case 5: str = "qquad"; break;
case 6: str = "!"; break;
default: return;
}
form_->controller().dispatchInsert(str);
}
void QMathDialog::insertRoot(int id)
{
switch (id) {
case 1:
form_->controller().dispatchInsert("sqrt");
break;
case 2:
form_->controller().dispatchCubeRoot();
break;
case 3:
form_->controller().dispatchInsert("root");
break;
}
}
void QMathDialog::insertStyle(int id)
{
string str;
switch (id) {
case 1: str = "displaystyle"; break;
case 2: str = "textstyle"; break;
case 3: str = "scriptstyle"; break;
case 4: str = "scriptscriptstyle"; break;
default: return;
}
form_->controller().dispatchInsert(str);
}
void QMathDialog::insertFont(int id)
{
string str;
switch (id) {
case 1: str = "mathrm"; break;
case 2: str = "mathbf"; break;
case 3: str = "mathsf"; break;
case 4: str = "mathit"; break;
case 5: str = "mathtt"; break;
case 6: str = "mathbb"; break;
case 7: str = "mathfrak"; break;
case 8: str = "mathcal"; break;
case 9: str = "textrm"; break;
default: return;
}
form_->controller().dispatchInsert(str);
}