// ----------------------------------------------------------------------------
void RibbonWidget::add()
{
assert(m_magic_number == 0xCAFEC001);
assert(m_x > -10.0f);
assert(m_y > -10.0f);
assert(m_w > 0.0f);
assert(m_h > 0.0f);
m_labels.clearWithoutDeleting();
rect<s32> widget_size = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
int id = (m_reserved_id == -1 ? getNewID() : m_reserved_id);
IGUIButton * btn = GUIEngine::getGUIEnv()->addButton(widget_size,
m_parent, id, L"");
m_element = btn;
m_active_children.clearWithoutDeleting(); // Is just a copy of m_children without the deactivated children. m_children takes care of memory.
for (unsigned int i=0; i<m_children.size(); i++)
{
if (m_children[i].isVisible())
{
m_active_children.push_back(m_children.get(i));
}
}
const int subbuttons_amount = m_active_children.size();
// For some ribbon types, we can have unequal sizes depending on whether
// items have labels or not
int with_label = 0;
int without_label = 0;
// ---- check how much space each child button will take and fit
// them within available space
int total_needed_space = 0;
for (int i=0; i<subbuttons_amount; i++)
{
// FIXME: why do I manually invoke the Layout Manager here?
LayoutManager::readCoords(m_active_children.get(i));
LayoutManager::applyCoords(m_active_children.get(i), NULL, this);
if (m_active_children[i].m_type != WTYPE_ICON_BUTTON &&
m_active_children[i].m_type != WTYPE_BUTTON)
{
Log::warn("RiggonWidget", "Ribbon widgets can only have "
"(icon)button widgets as children");
continue;
}
// ribbon children must not be keyboard navigatable, the parent
// ribbon takes care of that
if (m_active_children[i].m_type == WTYPE_ICON_BUTTON)
{
IconButtonWidget* icon = ((IconButtonWidget*)m_active_children.get(i));
icon->m_tab_stop = false;
}
bool has_label_underneath = m_active_children[i].m_text.size() > 0;
if (m_active_children[i].m_properties[PROP_LABELS_LOCATION].size() > 0)
{
has_label_underneath = false;
}
if (has_label_underneath) with_label++;
else without_label++;
total_needed_space += m_active_children[i].m_w;
}
//int biggest_y = 0;
const int button_y = 10;
const int one_button_space =
int(roundf((float)m_w / (float)subbuttons_amount));
int widget_x = -1;
// ---- add children
for (int i=0; i<subbuttons_amount; i++)
{
// ---- tab ribbons
if (getRibbonType() == RIBBON_TABS)
{
const int large_tab = (int)((with_label + without_label)
*one_button_space
/ (with_label + without_label/2.0f));
const int small_tab = large_tab/2;
stringw& message = m_active_children[i].m_text;
if (message.size() == 0)
{
if (widget_x == -1) widget_x = small_tab/2;
else widget_x += small_tab/2;
}
else
{
if (widget_x == -1) widget_x = large_tab/2;
else widget_x += large_tab/2;
}
IGUIButton * subbtn = NULL;
rect<s32> subsize = rect<s32>(widget_x - large_tab/2+2, 0,
widget_x + large_tab/2-2, m_h);
if (message.size() == 0)
{
subsize = rect<s32>(widget_x - small_tab/2+2, 0,
widget_x + small_tab/2-2, m_h);
}
if (m_active_children[i].m_type == WTYPE_BUTTON)
{
subbtn = GUIEngine::getGUIEnv()
->addButton(subsize, btn, getNewNoFocusID(),
message.c_str(), L"");
subbtn->setTabStop(false);
subbtn->setTabGroup(false);
if ((int)GUIEngine::getFont()->getDimension(message.c_str())
.Width > subsize.getWidth() &&
message.findFirst(L' ') == -1 &&
message.findFirst(L'\u00AD') == -1 )
{
// if message too long and contains no space and no soft
// hyphen, make the font smaller
subbtn->setOverrideFont(GUIEngine::getSmallFont());
}
}
else if (m_active_children[i].m_type == WTYPE_ICON_BUTTON)
{
rect<s32> icon_part = rect<s32>(15,
0,
subsize.getHeight()+15,
subsize.getHeight());
if (message.size() == 0)
{
const int x = subsize.getWidth()/2 - subsize.getHeight()/2;
// no label, only icon, so center the icon
icon_part = rect<s32>(x,
0,
x + subsize.getHeight(),
subsize.getHeight());
}
// label at the *right* of the icon (for tabs)
rect<s32> label_part = rect<s32>(subsize.getHeight()+15,
0,
subsize.getWidth()-15,
subsize.getHeight());
// use the same ID for all subcomponents; since event handling
// is done per-ID, no matter which one your hover, this
// widget will get it
int same_id = getNewNoFocusID();
subbtn = GUIEngine::getGUIEnv()->addButton(subsize, btn,
same_id, L"", L"");
IGUIButton* icon =
GUIEngine::getGUIEnv()->addButton(icon_part, subbtn,
same_id, L"");
icon->setScaleImage(true);
std::string filename = file_manager->getAsset(
m_active_children[i].m_properties[PROP_ICON]);
icon->setImage( irr_driver->getTexture(filename.c_str()) );
icon->setUseAlphaChannel(true);
icon->setDrawBorder(false);
icon->setTabStop(false);
IGUIStaticText* label =
GUIEngine::getGUIEnv()->addStaticText(message.c_str(),
label_part,
false /* border */,
true /* word wrap */,
subbtn, same_id);
if ((int)GUIEngine::getFont()->getDimension(message.c_str())
.Width > label_part.getWidth()&&
message.findFirst(L' ') == -1 &&
message.findFirst(L'\u00AD') == -1 )
{
// if message too long and contains no space and no soft
// hyphen, make the font smaller
label->setOverrideFont(GUIEngine::getSmallFont());
}
label->setTextAlignment(EGUIA_CENTER, EGUIA_CENTER);
label->setTabStop(false);
label->setNotClipped(true);
label->setRightToLeft(translations->isRTLText(message));
m_labels.push_back(label);
subbtn->setTabStop(false);
subbtn->setTabGroup(false);
}
else
{
Log::error("RibbonWidget", "Invalid tab bar contents");
}
m_active_children[i].m_element = subbtn;
if (message.size() == 0) widget_x += small_tab/2;
else widget_x += large_tab/2;
}
// ---- icon ribbons
else if (m_active_children[i].m_type == WTYPE_ICON_BUTTON)
{
if (widget_x == -1) widget_x = one_button_space/2;
// find how much space to keep for the label under the button.
// consider font size, whether the label is multiline, etc...
bool has_label = m_active_children[i].m_text.size() > 0;
if (m_active_children[i].m_properties[PROP_LABELS_LOCATION].size() > 0)
{
has_label = false;
}
const int needed_space_under_button = has_label
? GUIEngine::getFontHeight()
: 10;
float imageRatio =
(float)m_active_children[i].m_w / (float)m_active_children[i].m_h;
// calculate the size of the image
std::string filename =
file_manager->getAsset(m_active_children[i].m_properties[PROP_ICON]);
video::ITexture* image =
irr_driver->getTexture((filename).c_str());
if(!image)
{
std::string file = file_manager->getAsset(FileManager::GUI,"main_help.png");
image = irr_driver->getTexture(file);
if(!image)
Log::fatal("RibbonWidget",
"Can't find fallback texture 'gui/main_help.png, aborting.");
}
float image_h = (float)image->getSize().Height;
float image_w = image_h*imageRatio;
float zoom = (float) (m_h - button_y - needed_space_under_button) / image_h;
float zoom_x = (float) one_button_space / image_w;
if(zoom_x < zoom)
zoom = zoom_x;
// ---- add bitmap button part
// backup and restore position in case the same object is added
// multiple times (FIXME: unclean)
int old_x = m_active_children[i].m_x;
int old_y = m_active_children[i].m_y;
int old_w = m_active_children[i].m_w;
int old_h = m_active_children[i].m_h;
m_active_children[i].m_x = widget_x - int(image_w*zoom/2.0f);
m_active_children[i].m_y = button_y;
m_active_children[i].m_w = int(image_w*zoom);
m_active_children[i].m_h = int(image_h*zoom);
IconButtonWidget* icon = ((IconButtonWidget*)m_active_children.get(i));
if (icon->m_properties[PROP_EXTEND_LABEL].size() == 0)
{
icon->m_properties[PROP_EXTEND_LABEL] =
StringUtils::toString(one_button_space - icon->m_w);
}
m_active_children.get(i)->m_parent = btn;
m_active_children.get(i)->add();
// restore backuped size and location (see above for more info)
m_active_children[i].m_x = old_x;
m_active_children[i].m_y = old_y;
m_active_children[i].m_w = old_w;
m_active_children[i].m_h = old_h;
// the label itself will be added by the icon widget. since it
// adds the label outside of the widget area it is assigned to,
// the label will appear in the area we want at the bottom
widget_x += one_button_space;
}
else
{
Log::warn("RiggonWidget", "Invalid contents type in ribbon");
}
//m_children[i].id = subbtn->getID();
m_active_children[i].m_event_handler = this;
}// next sub-button
id = m_element->getID();
m_element->setTabOrder(id);
m_element->setTabGroup(false);
updateSelection();
if (!m_is_visible)
setVisible(false);
} // add
void RibbonWidget::add()
{
m_labels.clearWithoutDeleting();
rect<s32> widget_size = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
int id = (m_reserved_id == -1 ? getNewID() : m_reserved_id);
IGUIButton * btn = GUIEngine::getGUIEnv()->addButton(widget_size, m_parent, id, L"");
m_element = btn;
const int subbuttons_amount = m_children.size();
// ---- check how much space each child button will take and fit them within available space
int total_needed_space = 0;
for (int i=0; i<subbuttons_amount; i++)
{
// FIXME: a little unclean to invoke layout code here?
LayoutManager::readCoords(m_children.get(i), NULL, this);
if (m_children[i].m_type != WTYPE_ICON_BUTTON && m_children[i].m_type != WTYPE_BUTTON)
{
std::cerr << "/!\\ Warning /!\\ : ribbon widgets can only have (icon)button widgets as children "
<< std::endl;
continue;
}
// ribbon children must not be keyboard navigatable, the parent ribbon takes care of that
if (m_children[i].m_type == WTYPE_ICON_BUTTON)
{
IconButtonWidget* icon = ((IconButtonWidget*)m_children.get(i));
icon->m_tab_stop = false;
}
total_needed_space += m_children[i].m_w;
}
int free_w_space = m_w - total_needed_space;
//int biggest_y = 0;
const int button_y = 10;
float global_zoom = 1;
const int min_free_space = 50;
global_zoom = (float)m_w / (float)( m_w - free_w_space + min_free_space );
//free_w_space = (int)(m_w - total_needed_space*global_zoom);
const int one_button_space = (int)round((float)m_w / (float)subbuttons_amount);
// ---- add children
for (int i=0; i<subbuttons_amount; i++)
{
const int widget_x = one_button_space*(i+1) - one_button_space/2;
// ---- tab ribbons
if (getRibbonType() == RIBBON_TABS)
{
IGUIButton * subbtn = NULL;
rect<s32> subsize = rect<s32>(widget_x - one_button_space/2+2, 0,
widget_x + one_button_space/2-2, m_h);
stringw& message = m_children[i].m_text;
if (m_children[i].m_type == WTYPE_BUTTON)
{
subbtn = GUIEngine::getGUIEnv()->addButton(subsize, btn, getNewNoFocusID(), message.c_str(), L"");
subbtn->setTabStop(false);
subbtn->setTabGroup(false);
}
else if (m_children[i].m_type == WTYPE_ICON_BUTTON)
{
rect<s32> icon_part = rect<s32>(15,
0,
subsize.getHeight()+15,
subsize.getHeight());
// label at the *right* of the icon (for tabs)
rect<s32> label_part = rect<s32>(subsize.getHeight()+15,
0,
subsize.getWidth()-15,
subsize.getHeight());
// use the same ID for all subcomponents; since event handling is done per-ID, no matter
// which one your hover, this widget will get it
int same_id = getNewNoFocusID();
subbtn = GUIEngine::getGUIEnv()->addButton(subsize, btn, same_id, L"", L"");
//MyGUIButton* icon = new MyGUIButton(GUIEngine::getGUIEnv(), subbtn, same_id, icon_part, true);
IGUIButton* icon = GUIEngine::getGUIEnv()->addButton(icon_part, subbtn, same_id, L"");
icon->setScaleImage(true);
icon->setImage( irr_driver->getTexture((file_manager->getDataDir() + "/" + m_children[i].m_properties[PROP_ICON]).c_str()) );
icon->setUseAlphaChannel(true);
icon->setDrawBorder(false);
icon->setTabStop(false);
IGUIStaticText* label = GUIEngine::getGUIEnv()->addStaticText(message.c_str(), label_part,
false /* border */,
true /* word wrap */,
subbtn, same_id);
label->setTextAlignment(EGUIA_CENTER, EGUIA_CENTER);
label->setTabStop(false);
label->setNotClipped(true);
m_labels.push_back(label);
subbtn->setTabStop(false);
subbtn->setTabGroup(false);
}
else
{
std::cerr << "Invalid tab bar contents\n";
}
m_children[i].m_element = subbtn;
}
// ---- icon ribbons
else if (m_children[i].m_type == WTYPE_ICON_BUTTON)
{
// find how much space to keep for the label under the button.
// consider font size, whether the label is multiline, etc...
const bool has_label = m_children[i].m_text.size() > 0;
const int needed_space_under_button = has_label ? GUIEngine::getFontHeight() : 10;
float imageRatio = (float)m_children[i].m_w / (float)m_children[i].m_h;
// calculate the size of the image
video::ITexture* image = irr_driver->getTexture((file_manager->getDataDir() + "/" + m_children[i].m_properties[PROP_ICON]).c_str());
float image_h = (float)image->getSize().Height;
float image_w = image_h*imageRatio;
// scale to fit (FIXME: calculate the right value directly...)
float zoom = global_zoom;
if (button_y + image_h*zoom + needed_space_under_button > m_h)
{
// scale down
while (button_y + image_h*zoom + needed_space_under_button > m_h) zoom -= 0.01f;
}
else
{
// scale up
while (button_y + image_h*zoom + needed_space_under_button < m_h) zoom += 0.01f;
}
// ---- add bitmap button part
// backup and restore position in case the same object is added multiple times (FIXME: unclean)
int old_x = m_children[i].m_x;
int old_y = m_children[i].m_y;
int old_w = m_children[i].m_w;
int old_h = m_children[i].m_h;
m_children[i].m_x = widget_x - (int)(image_w*zoom/2.0f);
m_children[i].m_y = button_y;
m_children[i].m_w = (int)(image_w*zoom);
m_children[i].m_h = (int)(image_h*zoom);
IconButtonWidget* icon = ((IconButtonWidget*)m_children.get(i));
icon->m_properties[PROP_EXTEND_LABEL] = StringUtils::toString(one_button_space - icon->m_w);
m_children.get(i)->m_parent = btn;
m_children.get(i)->add();
// restore backuped size and location (see above for more info)
m_children[i].m_x = old_x;
m_children[i].m_y = old_y;
m_children[i].m_w = old_w;
m_children[i].m_h = old_h;
// the label itself will be added by the icon widget. since it adds the label outside of the
// widget area it is assigned to, the label will appear in the area we want at the bottom
}
else
{
std::cerr << "/!\\ Warning /!\\ : Invalid contents type in ribbon" << std::endl;
}
//m_children[i].id = subbtn->getID();
m_children[i].m_event_handler = this;
}// next sub-button
id = m_element->getID();
m_element->setTabOrder(id);
m_element->setTabGroup(false);
updateSelection();
}