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GUIFormSpecMenu focus fixes

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This commit is contained in:
Kahrl 2013-08-19 11:26:51 +02:00
parent 72b9b0fe3a
commit 8548bb75b6
6 changed files with 232 additions and 66 deletions
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192
src/guiFormSpecMenu.cpp
View file

@ -131,6 +131,81 @@ void GUIFormSpecMenu::removeChildren()
}
}
void GUIFormSpecMenu::setInitialFocus()
{
// Set initial focus according to following order of precedence:
// 1. first empty editbox
// 2. first editbox
// 3. first listbox
// 4. last button
// 5. first focusable (not statictext, not tabheader)
// 6. first child element
core::list<gui::IGUIElement*> children = getChildren();
// in case "children" contains any NULL elements, remove them
for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
it != children.end();) {
if (*it)
++it;
else
it = children.erase(it);
}
// 1. first empty editbox
for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
it != children.end(); ++it) {
if ((*it)->getType() == gui::EGUIET_EDIT_BOX
&& (*it)->getText()[0] == 0) {
Environment->setFocus(*it);
return;
}
}
// 2. first editbox
for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
it != children.end(); ++it) {
if ((*it)->getType() == gui::EGUIET_EDIT_BOX) {
Environment->setFocus(*it);
return;
}
}
// 3. first listbox
for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
it != children.end(); ++it) {
if ((*it)->getType() == gui::EGUIET_LIST_BOX) {
Environment->setFocus(*it);
return;
}
}
// 4. last button
for (core::list<gui::IGUIElement*>::Iterator it = children.getLast();
it != children.end(); --it) {
if ((*it)->getType() == gui::EGUIET_BUTTON) {
Environment->setFocus(*it);
return;
}
}
// 5. first focusable (not statictext, not tabheader)
for (core::list<gui::IGUIElement*>::Iterator it = children.begin();
it != children.end(); ++it) {
if ((*it)->getType() != gui::EGUIET_STATIC_TEXT &&
(*it)->getType() != gui::EGUIET_TAB_CONTROL) {
Environment->setFocus(*it);
return;
}
}
// 6. first child element
if (children.empty())
Environment->setFocus(this);
else
Environment->setFocus(*(children.begin()));
}
int GUIFormSpecMenu::getListboxIndex(std::string listboxname) {
std::wstring wlistboxname = narrow_to_wide(listboxname.c_str());
@ -387,6 +462,11 @@ void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element) {
spec.flabel = wlabel; //Needed for displaying text on MSVC
gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
spec.fid, spec.flabel.c_str());
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
m_checkboxes.push_back(std::pair<FieldSpec,gui::IGUICheckBox*>(spec,e));
m_fields.push_back(spec);
return;
@ -503,7 +583,13 @@ void GUIFormSpecMenu::parseButton(parserData* data,std::string element,std::stri
if(type == "button_exit")
spec.is_exit = true;
Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
spec.flabel.c_str());
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
m_fields.push_back(spec);
return;
}
@ -582,9 +668,8 @@ void GUIFormSpecMenu::parseTextList(parserData* data,std::string element) {
//now really show list
gui::IGUIListBox *e = Environment->addListBox(rect, this,spec.fid);
//don't reset if we already have a user specified selection
if (data->listbox_selections.find(fname_w) == data->listbox_selections.end()) {
e->setAutoScrollEnabled(false);
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
if (str_transparent == "false")
@ -670,10 +755,9 @@ void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element) {
//now really show list
gui::IGUIComboBox *e = Environment->addComboBox(rect, this,spec.fid);
//don't reset if we already have a user specified selection
//if (data->combobox_selections.find(fname_w) == data->listbox_selections.end()) {
// e->setAutoScrollEnabled(false);
//}
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
for (unsigned int i=0; i < items.size(); i++) {
e->addItem(narrow_to_wide(items[i]).c_str());
@ -732,7 +816,10 @@ void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element) {
spec.send = true;
gui::IGUIEditBox * e = Environment->addEditBox(0, rect, true, this, spec.fid);
Environment->setFocus(e);
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
if (label.length() > 1)
{
@ -811,7 +898,10 @@ void GUIFormSpecMenu::parseSimpleField(parserData* data,std::vector<std::string>
{
spec.send = true;
gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
Environment->setFocus(e);
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
irr::SEvent evt;
evt.EventType = EET_KEY_INPUT_EVENT;
@ -894,7 +984,10 @@ void GUIFormSpecMenu::parseTextArea(parserData* data,std::vector<std::string>& p
{
spec.send = true;
gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
Environment->setFocus(e);
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
if (type == "textarea")
{
@ -1091,6 +1184,11 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,std:
pressed_texture = texture;
gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
e->setUseAlphaChannel(true);
e->setImage(texture);
e->setPressedImage(pressed_texture);
@ -1146,6 +1244,10 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element) {
gui::IGUITabControl *e = Environment->addTabControl(rect,this,show_background,show_border,spec.fid);
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
e->setNotClipped(true);
for (unsigned int i=0; i< buttons.size(); i++) {
@ -1213,6 +1315,11 @@ void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
);
gui::IGUIButton *e = Environment->addButton(rect, this, spec.fid, spec.flabel.c_str());
if (spec.fname == data->focused_fieldname) {
Environment->setFocus(e);
}
e->setUseAlphaChannel(true);
e->setImage(texture);
e->setPressedImage(texture);
@ -1400,6 +1507,21 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
}
}
//preserve focus
gui::IGUIElement *focused_element = Environment->getFocus();
if (focused_element && focused_element->getParent() == this) {
s32 focused_id = focused_element->getID();
if (focused_id > 257) {
for (u32 i=0; i<m_fields.size(); i++) {
if (m_fields[i].fid == focused_id) {
mydata.focused_fieldname =
m_fields[i].fname;
break;
}
}
}
}
// Remove children
removeChildren();
@ -1485,6 +1607,13 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
m_tooltip_element->setWordWrap(false);
}
//set initial focus if parser didn't set it
focused_element = Environment->getFocus();
if (!focused_element
|| !isMyChild(focused_element)
|| focused_element->getType() == gui::EGUIET_TAB_CONTROL)
setInitialFocus();
}
GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
@ -2041,6 +2170,41 @@ void GUIFormSpecMenu::acceptInput()
}
}
bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
{
// Fix Esc/Return key being eaten by checkboxen and listboxen
if(event.EventType==EET_KEY_INPUT_EVENT)
{
KeyPress kp(event.KeyInput);
if (kp == EscapeKey || kp == getKeySetting("keymap_inventory")
|| event.KeyInput.Key==KEY_RETURN)
{
gui::IGUIElement *focused = Environment->getFocus();
if (focused && isMyChild(focused) &&
(focused->getType() == gui::EGUIET_LIST_BOX ||
focused->getType() == gui::EGUIET_CHECK_BOX)) {
OnEvent(event);
return true;
}
}
}
// Mouse wheel events: send to hovered element instead of focused
if(event.EventType==EET_MOUSE_INPUT_EVENT
&& event.MouseInput.Event == EMIE_MOUSE_WHEEL)
{
s32 x = event.MouseInput.X;
s32 y = event.MouseInput.Y;
gui::IGUIElement *hovered =
Environment->getRootGUIElement()->getElementFromPoint(
core::position2d<s32>(x, y));
if (hovered && isMyChild(hovered)) {
hovered->OnEvent(event);
return true;
}
}
return false;
}
bool GUIFormSpecMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
@ -2391,8 +2555,6 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
s.send = true;
acceptInput();
s.send = false;
// Restore focus to the full form
Environment->setFocus(this);
return true;
}
}
@ -2442,8 +2604,6 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
return true;
}else{
s.send = false;
// Restore focus to the full form
Environment->setFocus(this);
return true;
}
}
@ -2488,8 +2648,6 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
s.send = true;
acceptInput();
s.send=false;
// Restore focus to the full form
Environment->setFocus(this);
}
}
return true;

3
src/guiFormSpecMenu.h
View file

@ -212,6 +212,7 @@ public:
}
void removeChildren();
void setInitialFocus();
/*
Remove and re-add (or reposition) stuff
*/
@ -225,6 +226,7 @@ public:
ItemStack verifySelectedItem();
void acceptInput();
bool preprocessEvent(const SEvent& event);
bool OnEvent(const SEvent& event);
int getListboxIndex(std::string listboxname);
@ -288,6 +290,7 @@ private:
v2s32 basepos;
int bp_set;
v2u32 screensize;
std::wstring focused_fieldname;
std::map<std::wstring,int> listbox_selections;
std::map<std::wstring,int> listbox_scroll;
} parserData;

2
src/main.cpp
View file

@ -244,7 +244,7 @@ public:
*/
if(noMenuActive() == false)
{
return false;
return g_menumgr.preprocessEvent(event);
}
// Remember whether each key is down or up

9
src/mainmenumanager.h
View file

@ -77,6 +77,15 @@ public:
m_stack.back()->setVisible(true);
}
// Returns true to prevent further processing
virtual bool preprocessEvent(const SEvent& event)
{
if(m_stack.size() != 0)
return m_stack.back()->preprocessEvent(event);
else
return false;
}
u32 menuCount()
{
return m_stack.size();

1
src/modalMenu.h
View file

@ -122,6 +122,7 @@ public:
virtual void regenerateGui(v2u32 screensize) = 0;
virtual void drawMenu() = 0;
virtual bool preprocessEvent(const SEvent& event) { return false; };
virtual bool OnEvent(const SEvent& event) { return false; };
protected: