void HaiQTextEdit::process_key(QKeyEvent event) {
if ((event.text()!="")&&(textCursor().selectedText().count()<=1)) {
///this is to avoid spreading of marker highlighting
bool holdmodified=document()->isModified();
QTextCharFormat format=currentCharFormat();
format.clearBackground();
setCurrentCharFormat(format);
document()->setModified(holdmodified);
}
if ((event.key()==Qt::Key_Tab)||(event.key()==Qt::Key_Backtab)||(event.text()=="\t")) {
process_tab(event);
}
else if (event.key()==Qt::Key_Insert && QApplication::keyboardModifiers() == Qt::NoModifier) {
setOverwriteMode(!overwriteMode());
}
else if ((event.key()==Qt::Key_Home)&&((event.modifiers()==Qt::NoModifier)||(event.modifiers()==Qt::ShiftModifier))) {
bool shift_key=(event.modifiers()==Qt::ShiftModifier);
QTextCursor cursor=textCursor();
int col=cursor.columnNumber();
QString txt=cursor.block().text();
if (shift_key)
cursor.movePosition(QTextCursor::StartOfLine,QTextCursor::KeepAnchor);
else
cursor.movePosition(QTextCursor::StartOfLine);
int ct=0;
while ((ct<txt.count())&&((txt[ct]==' ')||(txt[ct]=='\t'))) {
if (shift_key)
cursor.movePosition(QTextCursor::Right,QTextCursor::KeepAnchor);
else
cursor.movePosition(QTextCursor::Right);
ct++;
}
int col2=cursor.columnNumber();
if (col2==col) { //moved nowhere
if (shift_key)
cursor.movePosition(QTextCursor::StartOfLine,QTextCursor::KeepAnchor);
else
cursor.movePosition(QTextCursor::StartOfLine);
}
setTextCursor(cursor);
}
else if (event.key()==Qt::Key_Backspace) {
process_backspace();
return;
}
else if ((event.key()==Qt::Key_Space)&&(event.modifiers()==Qt::ControlModifier)) {
return; // don't process a space, because Ctrl+Space is for completion
}
else {
QTextEdit::keyPressEvent(&event);
}
if ((event.key()==Qt::Key_Enter)||(event.key()==Qt::Key_Return)) {
indent_to_previous_line();
QTextCursor cursor=textCursor();
do_marker_highlighting(cursor);
QString line=cursor.block().previous().text();
QStringList symbols=split_into_symbols(line);
if ((symbols.count()>0)&&
( (symbols[symbols.count()-1]=="{") || (((symbols[symbols.count()-1]!=";"))&&((symbols[0]=="if") || (symbols[0]=="else") || (symbols[0]=="while") || (symbols[0]=="do") || (symbols[0]=="for"))) )
) {
QString line2=cursor.block().text();
QStringList symbols2=split_into_symbols(line2);
if ((symbols2.count()==0)||(symbols2[0]!="}")) //only indent if there is not a "{" starting the line
cursor.insertText(tab_text(cursor));
}
//kind of a hack
if (!blocks_highlighted_for_braces.isEmpty()) {
blocks_highlighted_for_braces << textCursor().block();
}
}
if (event.text()=="}") {
QTextCursor cursor=textCursor();
QString line=cursor.block().text();
QStringList symbols=split_into_symbols(line);
if (symbols.count()==1) {
//unindent to last brace
QTextBlock block=cursor.block();
bool found=false;
int braces_level=1;
while ((!found)&&(block.isValid())) {
block=block.previous();
QString line2=block.text();
QStringList symbols=split_into_symbols(line2);
for (int j=symbols.count()-1; j>=0; j--) {
if (symbols[j]=="{")
braces_level--;
if (symbols[j]=="}")
braces_level++;
if (braces_level==0)
found=true;
}
}
if (found) {
QString line2=block.text();
for (int j=0; j<line.count(); j++)
cursor.deletePreviousChar();
int j=0;
while ((j<line2.count())&&((line2[j]==' ')||(line2[j]=='\t'))) {
cursor.insertText(QString(line2[j]));
j++;
}
cursor.insertText("}");
}
}
}
if ((event.text()==")")||(event.text()=="}")/*||(event.text()==">")*/) {
highlight_braces(event.text(),true);
}
if ((event.text()=="(")||(event.text()=="{")/*||(event.text()=="<")*/) {
highlight_braces(event.text(),false);
}
}
gboolean keypress_cb( GtkWidget *widget, GdkEventKey *event, gpointer data )
{
gboolean wasConsumed = FALSE; /* default to report event not consumed */
EgeAdjustmentAction* action = EGE_ADJUSTMENT_ACTION(data);
guint key = 0;
gdk_keymap_translate_keyboard_state( gdk_keymap_get_for_display( gdk_display_get_default() ),
event->hardware_keycode, (GdkModifierType)event->state,
0, &key, 0, 0, 0 );
switch ( key ) {
case GDK_Escape:
{
action->private_data->transferFocus = TRUE;
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), action->private_data->lastVal );
ege_adjustment_action_defocus( action );
wasConsumed = TRUE;
}
break;
case GDK_Return:
case GDK_KP_Enter:
{
action->private_data->transferFocus = TRUE;
ege_adjustment_action_defocus( action );
wasConsumed = TRUE;
}
break;
case GDK_Tab:
{
action->private_data->transferFocus = FALSE;
wasConsumed = process_tab( widget, 1 );
}
break;
case GDK_ISO_Left_Tab:
{
action->private_data->transferFocus = FALSE;
wasConsumed = process_tab( widget, -1 );
}
break;
case GDK_Up:
case GDK_KP_Up:
{
action->private_data->transferFocus = FALSE;
gdouble val = gtk_spin_button_get_value( GTK_SPIN_BUTTON(widget) );
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), val + action->private_data->step );
wasConsumed = TRUE;
}
break;
case GDK_Down:
case GDK_KP_Down:
{
action->private_data->transferFocus = FALSE;
gdouble val = gtk_spin_button_get_value( GTK_SPIN_BUTTON(widget) );
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), val - action->private_data->step );
wasConsumed = TRUE;
}
break;
case GDK_Page_Up:
case GDK_KP_Page_Up:
{
action->private_data->transferFocus = FALSE;
gdouble val = gtk_spin_button_get_value( GTK_SPIN_BUTTON(widget) );
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), val + action->private_data->page );
wasConsumed = TRUE;
}
break;
case GDK_Page_Down:
case GDK_KP_Page_Down:
{
action->private_data->transferFocus = FALSE;
gdouble val = gtk_spin_button_get_value( GTK_SPIN_BUTTON(widget) );
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), val - action->private_data->page );
wasConsumed = TRUE;
}
break;
case GDK_z:
case GDK_Z:
{
action->private_data->transferFocus = FALSE;
gtk_spin_button_set_value( GTK_SPIN_BUTTON(widget), action->private_data->lastVal );
wasConsumed = TRUE;
}
break;
}
return wasConsumed;
}
void HaiQTextEdit::keyReleaseEvent ( QKeyEvent * event ) {
if (event->key() == Qt::Key_Backtab) {
process_tab(*event);
}
}
