bool List::MouseUpdate(int x, int y)
{
int nCurIndex = 0; // The item we're on
int nDrawOffset = 0; // The offset to the first draw item
GuiElement b;
b.SetPos(pos[0] + borderSpacing, pos[1] + size[1] - borderSpacing - itemHeight);
b.SetSize(size[0] - 2.0f * borderSpacing - ((scrollbar.GetSize()[0] < 0) ? 0 : (itemHeight + itemSpacing)), itemHeight);
// Get list started up here
std::vector<std::string>::iterator ii = filteredItems->begin();
UpdateTopIndex();
while (nCurIndex < topIndex) { ++ii; ++nCurIndex; }
const int numDisplay = NumDisplay();
float sbX = b.GetPos()[0];
float sbY1 = b.GetPos()[1] + (itemHeight + itemSpacing);
for (/*ii = items.begin()*/; ii != filteredItems->end() && nDrawOffset < numDisplay; ++ii)
{
if (b.MouseOver(mx, my))
{
if (nCurIndex == place && clickedTime + 250 > SDL_GetTicks())
{
FinishSelection();
}
clickedTime = SDL_GetTicks();
place = nCurIndex;
return true;
}
// Up our index's
nCurIndex++; nDrawOffset++;
b.Move(0.0, - (itemHeight + itemSpacing));
}
if(nDrawOffset < filteredItems->size()) {
if (scrollbar.MouseOver(mx, my)) {
activeScrollbar = true;
scrollbarGrabPos = my - scrollbar.GetPos()[1];
}
else {
float sbY2 = b.GetPos()[1] + (itemHeight + itemSpacing);
float sbHeight = sbY1 - sbY2;
b.SetPos(sbX + (size[0] - 2.0f * borderSpacing) - (itemHeight + itemSpacing), sbY2);
b.SetSize(itemHeight + itemSpacing, sbHeight);
if (b.MouseOver(mx, my)) {
if(my > scrollbar.GetPos()[1] + scrollbar.GetSize()[1])
topIndex = std::max(0, std::min(topIndex - NumDisplay(), (int)filteredItems->size() - NumDisplay()));
else if(my < scrollbar.GetPos()[1])
topIndex = std::max(0, std::min(topIndex + NumDisplay(), (int)filteredItems->size() - NumDisplay()));
}
}
}
return false;
}
void List::UpdateTopIndex()
{
itemHeight = 18.0f / ScaleFactor();
const int numDisplay = NumDisplay();
if(topIndex + numDisplay > filteredItems->size())
topIndex = std::max(0, (int)filteredItems->size() - numDisplay);
}
void List::DownPage()
{
place += NumDisplay();
if(place>=(int)filteredItems->size())
place=filteredItems->size()-1;
if(place<0)
place=0;
}
void List::CenterSelected()
{
topIndex = std::max(0, place - NumDisplay()/2);
}
void List::DownPage()
{
place = std::max(0, std::min(place + NumDisplay(), int(filteredItems->size()) - 1));
}
void List::UpPage()
{
place = std::max(0, place - NumDisplay());
}
void List::DrawSelf()
{
const float opacity = Opacity();
font->Begin();
float hf = font->GetSize() / ScaleFactor();
font->SetTextColor(1,1,0.4f,opacity);
int nCurIndex = 0; // The item we're on
int nDrawOffset = 0; // The offset to the first draw item
GuiElement b;
b.SetPos(pos[0] + borderSpacing, pos[1] + size[1] - borderSpacing - itemHeight);
b.SetSize(size[0] - 2.0f * borderSpacing - ((scrollbar.GetSize()[0] < 0) ? 0 : (itemHeight + itemSpacing)), itemHeight);
// Get list started up here
std::vector<std::string>::iterator ii = filteredItems->begin();
// Skip to current selection - 3; ie: scroll
UpdateTopIndex();
while (nCurIndex < topIndex) { ++ii; nCurIndex++; }
const int numDisplay = NumDisplay();
font->SetTextColor(1.0f, 1.0f, 1.0f, opacity); //default
font->SetOutlineColor(0.0f, 0.0f, 0.0f, opacity);
glLineWidth(1.0f);
float sbX = b.GetPos()[0];
float sbY1 = b.GetPos()[1] + (itemHeight + itemSpacing);
for (/*ii = items.begin()*/; ii != filteredItems->end() && nDrawOffset < numDisplay; ++ii)
{
glColor4f(1,1,1,opacity/4.f);
b.DrawBox(GL_LINE_LOOP);
if (nCurIndex == place) {
glBlendFunc(GL_ONE, GL_ONE); // additive blending
glColor4f(0.2f,0,0,opacity);
b.DrawBox(GL_QUADS);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1,0,0,opacity/2.f);
glLineWidth(1.49f);
b.DrawBox(GL_LINE_LOOP);
glLineWidth(1.0f);
} else if (b.MouseOver(mx, my)) {
glBlendFunc(GL_ONE, GL_ONE); // additive blending
glColor4f(0,0,0.2f,opacity);
b.DrawBox(GL_QUADS);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1,1,1,opacity/2.f);
glLineWidth(1.49f);
b.DrawBox(GL_LINE_LOOP);
glLineWidth(1.0f);
}
font->glPrint(pos[0]+borderSpacing + 0.002f, b.GetMidY() - hf * 0.15f, itemFontScale, FONT_BASELINE | FONT_SHADOW | FONT_SCALE | FONT_NORM, *ii);
// Up our index's
nCurIndex++; nDrawOffset++;
b.Move(0.0, - (itemHeight + itemSpacing));
}
//scrollbar
if(nDrawOffset < filteredItems->size()) {
float sbY2 = b.GetPos()[1] + (itemHeight + itemSpacing);
float sbHeight = sbY1 - sbY2;
float sbSize = ((float)nDrawOffset / (float)filteredItems->size()) * sbHeight;
if(activeScrollbar) {
topIndex = std::max(0, std::min((int)(((float)filteredItems->size() * ((sbY1 - sbSize) - (my - std::min(scrollbarGrabPos, sbSize))) / sbHeight) + 0.5f),
(int)filteredItems->size() - numDisplay));
}
scrollbar.SetPos(sbX + (size[0] - 2.0f * borderSpacing) - (itemHeight + itemSpacing),
sbY1 - sbSize - ((float)topIndex / (float)filteredItems->size()) * sbHeight);
scrollbar.SetSize((itemHeight + itemSpacing) , sbSize);
b.SetPos(scrollbar.GetPos()[0], sbY2);
b.SetSize(itemHeight + itemSpacing, sbHeight);
glColor4f(1,1,1,opacity/4.f);
b.DrawBox(GL_LINE_LOOP);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(0.8f,0.8f,0.8f,opacity);
scrollbar.DrawBox(GL_QUADS);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1,1,1,opacity/2.f);
glLineWidth(1.49f);
scrollbar.DrawBox(GL_LINE_LOOP);
glLineWidth(1.0f);
}
else
scrollbar.SetSize(-1,-1);
/**************
* End insert *
**************/
font->End();
}
void List::ScrollDownOne()
{
if(topIndex + NumDisplay() < filteredItems->size())
++topIndex;
}
void List::UpPage()
{
place -= NumDisplay();
if(place<0)
place=0;
}
