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Fix: Listbox was sometimes sending EGET_LISTBOX_SELECTED_AGAIN instead of EGET_LISTBOX_CHANGED. 

When pressed mouse was moved over an item before releasing the mouse button it was sending immediately EGET_LISTBOX_SELECTED_AGAIN instead of expected EGET_LISTBOX_CHANGED (mouse  move changes do not send any events).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6454 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2023-03-06 14:34:16 +00:00 committed by sfan5
parent c5373262ca
commit 1967d71cfb
2 changed files with 25 additions and 16 deletions
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38
source/Irrlicht/CGUIListBox.cpp
View File

@ -22,10 +22,10 @@ namespace gui
CGUIListBox::CGUIListBox(IGUIEnvironment* environment, IGUIElement* parent,
s32 id, core::rect<s32> rectangle, bool clip,
bool drawBack, bool moveOverSelect)
: IGUIListBox(environment, parent, id, rectangle), Selected(-1),
: IGUIListBox(environment, parent, id, rectangle), Selected(-1), HoverSelected(-1),
ItemHeight(0),ItemHeightOverride(0),
TotalItemHeight(0), ItemsIconWidth(0), Font(0), IconBank(0),
ScrollBar(0), selectTime(0), LastKeyTime(0), Selecting(false), DrawBack(drawBack),
ScrollBar(0), SelectTime(0), LastKeyTime(0), Selecting(false), DrawBack(drawBack),
MoveOverSelect(moveOverSelect), AutoScroll(true), HighlightWhenNotFocused(true)
{
#ifdef _DEBUG
@ -116,7 +116,7 @@ void CGUIListBox::removeItem(u32 id)
else if ((u32)Selected > id)
{
Selected -= 1;
selectTime = os::Timer::getTime();
SelectTime = os::Timer::getTime();
}
Items.erase(id);
@ -148,6 +148,7 @@ void CGUIListBox::clear()
Items.clear();
ItemsIconWidth = 0;
Selected = -1;
HoverSelected = -1;
ScrollBar->setPos(0);
@ -192,7 +193,7 @@ void CGUIListBox::recalculateItemHeight()
//! returns id of selected item. returns -1 if no item is selected.
s32 CGUIListBox::getSelected() const
{
return Selected;
return HoverSelected >= 0 ? HoverSelected : Selected;
}
@ -204,7 +205,8 @@ void CGUIListBox::setSelected(s32 id)
else
Selected = id;
selectTime = os::Timer::getTime();
HoverSelected = -1;
SelectTime = os::Timer::getTime();
recalculateScrollPos();
}
@ -454,14 +456,19 @@ void CGUIListBox::selectNew(s32 ypos, bool onlyHover)
u32 now = os::Timer::getTime();
s32 oldSelected = Selected;
Selected = getItemAt(AbsoluteRect.UpperLeftCorner.X, ypos);
if (Selected<0 && !Items.empty())
Selected = 0;
HoverSelected = getItemAt(AbsoluteRect.UpperLeftCorner.X, ypos);
if (HoverSelected<0 && !Items.empty())
HoverSelected = 0;
if (!onlyHover)
{
Selected = HoverSelected;
HoverSelected = -1;
}
recalculateScrollPos();
gui::EGUI_EVENT_TYPE eventType = (Selected == oldSelected && now < selectTime + 500) ? EGET_LISTBOX_SELECTED_AGAIN : EGET_LISTBOX_CHANGED;
selectTime = now;
gui::EGUI_EVENT_TYPE eventType = (Selected == oldSelected && now < SelectTime + 500) ? EGET_LISTBOX_SELECTED_AGAIN : EGET_LISTBOX_CHANGED;
SelectTime = now;
// post the news
if (Parent && !onlyHover)
{
@ -527,13 +534,14 @@ void CGUIListBox::draw()
frameRect.LowerRightCorner.Y -= ScrollBar->getPos();
bool hl = (HighlightWhenNotFocused || Environment->hasFocus(this) || Environment->hasFocus(ScrollBar));
const irr::s32 selected = getSelected();
for (s32 i=0; i<(s32)Items.size(); ++i)
{
if (frameRect.LowerRightCorner.Y >= AbsoluteRect.UpperLeftCorner.Y &&
frameRect.UpperLeftCorner.Y <= AbsoluteRect.LowerRightCorner.Y)
{
if (i == Selected && hl)
if (i == selected && hl)
skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), frameRect, &clientClip);
core::rect<s32> textRect = frameRect;
@ -547,24 +555,24 @@ void CGUIListBox::draw()
iconPos.Y += textRect.getHeight() / 2;
iconPos.X += ItemsIconWidth/2;
if ( i==Selected && hl )
if ( i==selected && hl )
{
IconBank->draw2DSprite( (u32)Items[i].Icon, iconPos, &clientClip,
hasItemOverrideColor(i, EGUI_LBC_ICON_HIGHLIGHT) ?
getItemOverrideColor(i, EGUI_LBC_ICON_HIGHLIGHT) : getItemDefaultColor(EGUI_LBC_ICON_HIGHLIGHT),
selectTime, os::Timer::getTime(), false, true);
SelectTime, os::Timer::getTime(), false, true);
}
else
{
IconBank->draw2DSprite( (u32)Items[i].Icon, iconPos, &clientClip,
hasItemOverrideColor(i, EGUI_LBC_ICON) ? getItemOverrideColor(i, EGUI_LBC_ICON) : getItemDefaultColor(EGUI_LBC_ICON),
0 , (i==Selected) ? os::Timer::getTime() : 0, false, true);
0 , (i==selected) ? os::Timer::getTime() : 0, false, true);
}
}
textRect.UpperLeftCorner.X += ItemsIconWidth+3;
if ( i==Selected && hl )
if ( i==selected && hl )
{
Font->draw(Items[i].Text.c_str(), textRect,
hasItemOverrideColor(i, EGUI_LBC_TEXT_HIGHLIGHT) ?

3
source/Irrlicht/CGUIListBox.h
View File

@ -154,6 +154,7 @@ namespace gui
core::array< ListItem > Items;
s32 Selected;
s32 HoverSelected; // When >= 0 we're in the middle of changing selection while mouse is pressed. We need to know so selected again isn't called too often.
s32 ItemHeight;
s32 ItemHeightOverride;
s32 TotalItemHeight;
@ -161,7 +162,7 @@ namespace gui
gui::IGUIFont* Font;
gui::IGUISpriteBank* IconBank;
gui::IGUIScrollBar* ScrollBar;
u32 selectTime;
u32 SelectTime;
u32 LastKeyTime;
core::stringw KeyBuffer;
bool Selecting;