d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 Commits
25 Branches
6 Tags
221 MiB
Tree: 5b926feae6
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '5b926feae6'
${ noResults }
source-engine/vgui2/vgui_controls/ListViewPanel.cpp

1083 lines
26 KiB
Raw Normal View History Unescape

1
5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include <assert.h>
#include <ctype.h>
#include <vgui/MouseCode.h>
#include <vgui/KeyCode.h>
#include <KeyValues.h>
#include <vgui/ISurface.h>
#include <vgui/IVGui.h>
#include <vgui/IInput.h>
#include <vgui/IPanel.h>
#include <vgui/ILocalize.h>
#include <vgui_controls/Controls.h>
#include <vgui_controls/ScrollBar.h>
#include <vgui_controls/ImageList.h>
#include <vgui_controls/ImagePanel.h>
#include <vgui_controls/Label.h>
#include <vgui_controls/TextImage.h>
#include <vgui_controls/ListViewPanel.h>
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
using namespace vgui;
enum
{
WINDOW_BORDER_WIDTH=2 // the width of the window's border
};
namespace vgui
{
class ListViewItem : public Label
{
DECLARE_CLASS_SIMPLE( ListViewItem, Label );
public:
ListViewItem(Panel *parent) : Label(parent, NULL, "")
{
m_pListViewPanel = (ListViewPanel*) parent;
m_pData = NULL;
m_bSelected = false;
SetPaintBackgroundEnabled(true);
}
~ListViewItem()
{
if (m_pData)
{
m_pData->deleteThis();
m_pData = NULL;
}
}
void SetData(const KeyValues *data)
{
if (m_pData)
{
m_pData->deleteThis();
}
m_pData = data->MakeCopy();
}
virtual void OnMousePressed( MouseCode code)
{
m_pListViewPanel->OnItemMousePressed(this, code);
}
virtual void OnMouseDoublePressed( MouseCode code)
{
// double press should only select the item
m_pListViewPanel->OnItemMouseDoublePressed(this, code);
}
KeyValues *GetData()
{
return m_pData;
}
void SetSelected(bool bSelected)
{
if (bSelected == m_bSelected)
return;
m_bSelected = bSelected;
if (bSelected)
{
RequestFocus();
}
UpdateImage();
InvalidateLayout();
Repaint();
}
virtual void PerformLayout()
{
TextImage *textImage = GetTextImage();
if (m_bSelected)
{
VPANEL focus = input()->GetFocus();
// if one of the children of the SectionedListPanel has focus, then 'we have focus' if we're selected
if (HasFocus() || (focus && ipanel()->HasParent(focus, GetVParent())))
{
textImage->SetColor(m_ArmedFgColor2);
}
else
{
textImage->SetColor(m_FgColor2);
}
}
else
{
textImage->SetColor(GetFgColor());
}
BaseClass::PerformLayout();
Repaint();
}
virtual void PaintBackground()
{
int wide, tall;
GetSize(wide, tall);
if ( m_bSelected )
{
VPANEL focus = input()->GetFocus();
// if one of the children of the SectionedListPanel has focus, then 'we have focus' if we're selected
if (HasFocus() || (focus && ipanel()->HasParent(focus, GetVParent())))
{
surface()->DrawSetColor(m_ArmedBgColor);
}
else
{
surface()->DrawSetColor(m_SelectionBG2Color);
}
}
else
{
surface()->DrawSetColor(GetBgColor());
}
surface()->DrawFilledRect(0, 0, wide, tall);
}
virtual void ApplySchemeSettings(IScheme *pScheme)
{
BaseClass::ApplySchemeSettings(pScheme);
m_ArmedFgColor2 = GetSchemeColor("ListPanel.SelectedTextColor", pScheme);
m_ArmedBgColor = GetSchemeColor("ListPanel.SelectedBgColor", pScheme);
m_FgColor1 = GetSchemeColor("ListPanel.TextColor", pScheme);
m_FgColor2 = GetSchemeColor("ListPanel.SelectedTextColor", pScheme);
m_BgColor = GetSchemeColor("ListPanel.BgColor", GetBgColor(), pScheme);
m_BgColor = GetSchemeColor("ListPanel.TextBgColor", m_BgColor, pScheme);
m_SelectionBG2Color = GetSchemeColor("ListPanel.SelectedOutOfFocusBgColor", pScheme);
SetBgColor(m_BgColor);
SetFgColor(m_FgColor1);
UpdateImage();
}
void UpdateImage()
{
if ( m_pListViewPanel->m_pImageList )
{
int imageIndex = 0;
if ( m_bSelected )
{
imageIndex = m_pData->GetInt("imageSelected", 0);
}
if ( imageIndex == 0 )
{
imageIndex = m_pData->GetInt("image", 0);
}
if ( m_pListViewPanel->m_pImageList->IsValidIndex(imageIndex) )
{
SetImageAtIndex(0, m_pListViewPanel->m_pImageList->GetImage(imageIndex), 0);
}
else
{
// use the default
SetImageAtIndex(0, m_pListViewPanel->m_pImageList->GetImage(1), 0);
}
SizeToContents();
InvalidateLayout();
}
}
private:
Color m_FgColor1;
Color m_FgColor2;
Color m_BgColor;
Color m_ArmedFgColor2;
Color m_ArmedBgColor;
Color m_SelectionBG2Color;
//IBorder *_keyFocusBorder; // maybe in the future when I'm the 'active' but not selected item, I'll have a border
KeyValues *m_pData;
ListViewPanel *m_pListViewPanel;
bool m_bSelected;
};
}
static bool DefaultSortFunc(KeyValues *kv1, KeyValues *kv2)
{
const char *string1 = kv1->GetString("text");
const char *string2 = kv2->GetString("text");
return Q_stricmp(string1, string2) < 0;
}
DECLARE_BUILD_FACTORY( ListViewPanel );
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
ListViewPanel::ListViewPanel(Panel *parent, const char *panelName) : Panel(parent, panelName)
{
m_iRowHeight = 20;
m_bNeedsSort = false;
m_hFont = NULL;
m_pImageList = NULL;
m_bDeleteImageListWhenDone = false;
m_pSortFunc = DefaultSortFunc;
m_ShiftStartItemID = -1;
m_hbar = new ScrollBar(this, "HorizScrollBar", false);
m_hbar->AddActionSignalTarget(this);
m_hbar->SetVisible(false);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
ListViewPanel::~ListViewPanel()
{
DeleteAllItems();
delete m_hbar;
if ( m_bDeleteImageListWhenDone )
{
delete m_pImageList;
m_pImageList = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::AddItem(const KeyValues *data, bool bScrollToItem, bool bSortOnAdd)
{
ListViewItem *pNewItem = new ListViewItem(this);
pNewItem->SetData(data);
if (m_hFont)
{
pNewItem->SetFont(m_hFont);
}
int itemID = m_DataItems.AddToTail(pNewItem);
ApplyItemChanges(itemID);
m_SortedItems.AddToTail(itemID);
if ( bSortOnAdd )
{
m_bNeedsSort = true;
}
InvalidateLayout();
if ( bScrollToItem )
{
ScrollToItem(itemID);
}
return itemID;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::ScrollToItem(int itemID)
{
if (!m_hbar->IsVisible())
{
return;
}
int val = m_hbar->GetValue();
int wide, tall;
GetSize( wide, tall );
int maxWidth = GetItemsMaxWidth();
int maxColVisible = wide / maxWidth;
int itemsPerCol = GetItemsPerColumn();
int itemIndex = m_SortedItems.Find(itemID);
int desiredCol = itemIndex / itemsPerCol;
if (desiredCol < val || desiredCol >= (val + maxColVisible) )
{
m_hbar->SetValue(desiredCol);
}
InvalidateLayout();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::GetItemCount()
{
return m_DataItems.Count();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
KeyValues *ListViewPanel::GetItem(int itemID)
{
if ( !m_DataItems.IsValidIndex(itemID) )
return NULL;
return m_DataItems[itemID]->GetData();
}
//-----------------------------------------------------------------------------
// Purpose: Get ItemID from position in panel - valid from [0, GetItemCount)
//-----------------------------------------------------------------------------
int ListViewPanel::GetItemIDFromPos(int iPos)
{
if ( m_SortedItems.IsValidIndex(iPos) )
{
return m_SortedItems[iPos];
}
else
{
return m_DataItems.InvalidIndex();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::ApplyItemChanges(int itemID)
{
if ( !m_DataItems.IsValidIndex(itemID) )
return;
KeyValues *kv = m_DataItems[itemID]->GetData();
ListViewItem *pLabel = m_DataItems[itemID];
pLabel->SetText(kv->GetString("text"));
pLabel->SetTextImageIndex(1);
pLabel->SetImagePreOffset(1, 5);
TextImage *pTextImage = pLabel->GetTextImage();
pTextImage->ResizeImageToContent();
pLabel->UpdateImage();
pLabel->SizeToContents();
pLabel->InvalidateLayout();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::RemoveItem(int itemID)
{
if ( !m_DataItems.IsValidIndex(itemID) )
return;
m_DataItems[itemID]->MarkForDeletion();
// mark the keyValues for deletion
m_DataItems.Remove(itemID);
m_SortedItems.FindAndRemove(itemID);
m_SelectedItems.FindAndRemove(itemID);
InvalidateLayout();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::DeleteAllItems()
{
FOR_EACH_LL( m_DataItems, index )
{
m_DataItems[index]->MarkForDeletion();
}
m_DataItems.RemoveAll();
m_SortedItems.RemoveAll();
m_SelectedItems.RemoveAll();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::InvalidItemID()
{
return m_DataItems.InvalidIndex();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool ListViewPanel::IsValidItemID(int itemID)
{
return m_DataItems.IsValidIndex(itemID);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::SetSortFunc(ListViewSortFunc_t func)
{
if ( func )
{
m_pSortFunc = func;
SortList();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::SortList()
{
m_SortedItems.RemoveAll();
// find all the items in this section
for( int i = m_DataItems.Head(); i != m_DataItems.InvalidIndex(); i = m_DataItems.Next( i ) )
{
// insert the items sorted
if (m_pSortFunc)
{
int insertionPoint;
for (insertionPoint = 0; insertionPoint < m_SortedItems.Count(); insertionPoint++)
{
if ( m_pSortFunc(m_DataItems[i]->GetData(), m_DataItems[m_SortedItems[insertionPoint]]->GetData() ) )
break;
}
if (insertionPoint == m_SortedItems.Count())
{
m_SortedItems.AddToTail(i);
}
else
{
m_SortedItems.InsertBefore(insertionPoint, i);
}
}
else
{
// just add to the end
m_SortedItems.AddToTail(i);
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::SetImageList(ImageList *imageList, bool deleteImageListWhenDone)
{
// get rid of existing list image if there's one and we're supposed to get rid of it
if ( m_pImageList && m_bDeleteImageListWhenDone )
{
delete m_pImageList;
m_pImageList = NULL;
}
m_bDeleteImageListWhenDone = deleteImageListWhenDone;
m_pImageList = imageList;
FOR_EACH_LL( m_DataItems, i )
{
m_DataItems[i]->UpdateImage();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::SetFont(HFont font)
{
Assert( font );
if ( !font )
return;
m_hFont = font;
m_iRowHeight = surface()->GetFontTall(font) + 1;
FOR_EACH_LL( m_DataItems, i )
{
m_DataItems[i]->SetFont(m_hFont);
TextImage *pTextImage = m_DataItems[i]->GetTextImage();
pTextImage->ResizeImageToContent();
m_DataItems[i]->SizeToContents();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::GetSelectedItemsCount()
{
return m_SelectedItems.Count();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::GetSelectedItem(int selectionIndex)
{
if ( m_SelectedItems.IsValidIndex(selectionIndex) )
return m_SelectedItems[selectionIndex];
return -1;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::ClearSelectedItems()
{
int i;
for (i = 0 ; i < m_SelectedItems.Count(); i++)
{
if ( m_DataItems.IsValidIndex(m_SelectedItems[i]) )
{
m_DataItems[m_SelectedItems[i]]->SetSelected(false);
}
}
m_SelectedItems.RemoveAll();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::AddSelectedItem(int itemID)
{
if ( m_SelectedItems.Find(itemID) == -1 )
{
m_SelectedItems.AddToTail(itemID);
m_DataItems[itemID]->SetSelected(true);
m_LastSelectedItemID = itemID;
m_ShiftStartItemID = itemID;
PostActionSignal(new KeyValues("ListViewItemSelected"));
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::SetSingleSelectedItem(int itemID)
{
ClearSelectedItems();
AddSelectedItem(itemID);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnMouseWheeled(int delta)
{
int val = m_hbar->GetValue();
val -= delta;
m_hbar->SetValue(val);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnSizeChanged(int wide, int tall)
{
BaseClass::OnSizeChanged(wide, tall);
InvalidateLayout();
Repaint();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::GetItemsMaxWidth()
{
int maxWidth = 0;
FOR_EACH_LL( m_DataItems, i )
{
int labelWide, labelTall;
m_DataItems[i]->GetSize(labelWide, labelTall);
if (labelWide > maxWidth)
{
maxWidth = labelWide + 25;
}
}
return maxWidth;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::PerformLayout()
{
if (m_bNeedsSort)
{
SortList();
}
if ( m_DataItems.Count() == 0 )
return;
int wide, tall;
GetSize(wide, tall);
int maxWidth = GetItemsMaxWidth();
if (maxWidth < 24)
{
maxWidth = 24;
}
int maxColVisible = wide / maxWidth;
m_hbar->SetVisible(false);
int itemsPerCol = GetItemsPerColumn();
if (itemsPerCol < 1)
{
itemsPerCol = 1;
}
int cols = ( GetItemCount() + (itemsPerCol - 1) ) / itemsPerCol;
int startItem = 0;
if ( cols > maxColVisible)
{
m_hbar->SetVisible(true);
// recalulate # per column now that we've made the hbar visible
itemsPerCol = GetItemsPerColumn();
cols = ( GetItemCount() + (itemsPerCol - 1) ) / (itemsPerCol > 0 ? itemsPerCol : 1 );
m_hbar->SetEnabled(false);
m_hbar->SetRangeWindow( maxColVisible );
m_hbar->SetRange( 0, cols);
m_hbar->SetButtonPressedScrollValue( 1 );
m_hbar->SetPos(0, tall - (m_hbar->GetTall()+WINDOW_BORDER_WIDTH));
m_hbar->SetSize(wide - (WINDOW_BORDER_WIDTH*2), m_hbar->GetTall());
m_hbar->InvalidateLayout();
int val = m_hbar->GetValue();
startItem += val*itemsPerCol;
}
else
{
m_hbar->SetVisible(false);
}
int lastItemVisible = startItem + (( maxColVisible + 1 )* itemsPerCol) - 1;
int itemsThisCol = 0;
int x = 0;
int y = 0;
int i;
for ( i = 0 ; i < m_SortedItems.Count() ; i++ )
{
if ( i >= startItem && i <= lastItemVisible )
{
m_DataItems[ m_SortedItems[i] ]->SetVisible(true);
m_DataItems[ m_SortedItems[i] ]->SetPos(x, y);
itemsThisCol++;
if ( itemsThisCol == itemsPerCol )
{
y = 0;
x += maxWidth;
itemsThisCol = 0;
}
else
{
y += m_iRowHeight;
}
}
else
{
m_DataItems[ m_SortedItems[i] ]->SetVisible(false);
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::Paint()
{
BaseClass::Paint();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::ApplySchemeSettings(IScheme *pScheme)
{
BaseClass::ApplySchemeSettings(pScheme);
SetBgColor(GetSchemeColor("ListPanel.BgColor", pScheme));
SetBorder(pScheme->GetBorder("ButtonDepressedBorder"));
m_LabelFgColor = GetSchemeColor("ListPanel.TextColor", pScheme);
m_SelectionFgColor = GetSchemeColor("ListPanel.SelectedTextColor", m_LabelFgColor, pScheme);
m_hFont = pScheme->GetFont("Default", IsProportional());
SetFont(m_hFont);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnMousePressed( MouseCode code)
{
if (code == MOUSE_LEFT || code == MOUSE_RIGHT)
{
ClearSelectedItems();
RequestFocus();
}
// check for context menu open
if (code == MOUSE_RIGHT)
{
// post it, but with the invalid row
PostActionSignal(new KeyValues("OpenContextMenu", "itemID", -1));
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnShiftSelect(int itemID)
{
// if we dont' have a valid selected ItemID - then we just choose the first item
if ( !m_DataItems.IsValidIndex(m_ShiftStartItemID) )
{
m_ShiftStartItemID = m_DataItems.Head();
}
// find out if the just pressed item is "earlier" or is the 'last selected item'
int lowerPos = -1, upperPos = -1;
int i;
for ( i = 0 ; i < m_SortedItems.Count() ; i++ )
{
if ( m_SortedItems[i] == itemID )
{
lowerPos = i;
upperPos = m_SortedItems.Find(m_ShiftStartItemID);
break;
}
else if ( m_SortedItems[i] == m_ShiftStartItemID )
{
lowerPos = m_SortedItems.Find(m_ShiftStartItemID);
upperPos = i;
break;
}
}
assert(lowerPos <= upperPos);
if ( !input()->IsKeyDown(KEY_LCONTROL) && !input()->IsKeyDown(KEY_RCONTROL) )
{
ClearSelectedItems();
}
for ( i = lowerPos ; i <= upperPos ; i ++)
{
// do not use AddSelectedItem because we don't want to switch the shiftStartItemID
m_DataItems[ m_SortedItems[i] ]->SetSelected(true);
m_SelectedItems.AddToTail(m_SortedItems[i]);
m_LastSelectedItemID = itemID;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnItemMousePressed(ListViewItem* pItem, MouseCode code)
{
int itemID = m_DataItems.Find(pItem);
if (!m_DataItems.IsValidIndex(itemID))
return;
// check for context menu open
if (code == MOUSE_RIGHT)
{
// if this is a new item - unselect everything else
if ( m_SelectedItems.Find(itemID) == -1)
{
ClearSelectedItems();
AddSelectedItem(itemID);
}
PostActionSignal(new KeyValues("OpenContextMenu", "itemID", itemID));
}
else
{
if ( input()->IsKeyDown(KEY_LSHIFT) || input()->IsKeyDown(KEY_RSHIFT) )
{
OnShiftSelect(itemID);
}
else if ( input()->IsKeyDown(KEY_LCONTROL) || input()->IsKeyDown(KEY_RCONTROL) )
{
if ( m_SelectedItems.Find(itemID) != -1)
{
m_SelectedItems.FindAndRemove(itemID);
pItem->SetSelected(false);
// manually select these since we 'last' clicked on these items
m_ShiftStartItemID = itemID;
m_LastSelectedItemID = itemID;
m_DataItems[itemID]->RequestFocus();
}
else
{
AddSelectedItem(itemID);
}
}
else
{
ClearSelectedItems();
AddSelectedItem(itemID);
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnMouseDoublePressed( MouseCode code)
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnItemMouseDoublePressed(ListViewItem* pItem, MouseCode code)
{
if (code == MOUSE_LEFT)
{
OnKeyCodeTyped(KEY_ENTER);
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::FinishKeyPress(int itemID)
{
if ( input()->IsKeyDown(KEY_LSHIFT) || input()->IsKeyDown(KEY_RSHIFT) )
{
OnShiftSelect(itemID);
}
else if ( input()->IsKeyDown(KEY_LCONTROL) || input()->IsKeyDown(KEY_RCONTROL) )
{
m_DataItems[itemID]->RequestFocus();
m_LastSelectedItemID = itemID;
}
else
{
SetSingleSelectedItem(itemID);
}
ScrollToItem(itemID);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnKeyCodeTyped( KeyCode code )
{
if ( m_DataItems.Count() == 0 )
return;
switch (code)
{
case KEY_HOME:
{
if (m_SortedItems.Count() > 0)
{
int itemID = m_SortedItems[0];
FinishKeyPress(itemID);
}
break;
}
case KEY_END:
{
if (m_DataItems.Count() > 0)
{
int itemID = m_SortedItems[ m_SortedItems.Count() - 1 ];
FinishKeyPress(itemID);
}
break;
}
case KEY_UP:
{
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos--;
if (itemPos < 0)
itemPos = 0;
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
case KEY_DOWN:
{
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos++;
if (itemPos >= m_DataItems.Count())
itemPos = m_DataItems.Count() - 1;
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
case KEY_LEFT:
{
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos -= GetItemsPerColumn();
if (itemPos < 0)
{
itemPos = 0;
}
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
case KEY_RIGHT:
{
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos += GetItemsPerColumn();
if (itemPos >= m_SortedItems.Count())
{
itemPos = m_SortedItems.Count() - 1;
}
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
case KEY_PAGEUP:
{
int wide, tall;
GetSize(wide, tall);
int maxWidth = GetItemsMaxWidth();
if (maxWidth == 0)
{
maxWidth = wide;
}
int maxColVisible = wide / maxWidth;
int delta = maxColVisible * GetItemsPerColumn();
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos -= delta;
if (itemPos < 0)
{
itemPos = 0;
}
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
case KEY_PAGEDOWN:
{
int wide, tall;
GetSize(wide, tall);
int maxWidth = GetItemsMaxWidth();
if (maxWidth == 0)
{
maxWidth = wide;
}
int maxColVisible = wide / maxWidth;
int delta = maxColVisible * GetItemsPerColumn();
int itemPos = m_SortedItems.Find( m_LastSelectedItemID );
itemPos += delta;
if (itemPos >= m_SortedItems.Count())
{
itemPos = m_SortedItems.Count() - 1;
}
FinishKeyPress(m_SortedItems[itemPos]);
break;
}
default:
{
BaseClass::OnKeyCodeTyped(code);
break;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnKeyTyped(wchar_t unichar)
{
if (!iswcntrl(unichar))
{
wchar_t uniString[2];
uniString[0] = unichar;
uniString[1] = 0;
char buf[2];
g_pVGuiLocalize->ConvertUnicodeToANSI(uniString, buf, sizeof(buf));
int i;
int itemPos = m_SortedItems.Find(m_LastSelectedItemID);
if ( m_SortedItems.IsValidIndex(itemPos))
{
itemPos++;
// start from the item AFTER our last selected Item and go to end
for ( i = itemPos ; i != m_SortedItems.Count(); i++)
{
KeyValues *kv = m_DataItems[ m_SortedItems[i] ]->GetData();
const char *pszText = kv->GetString("text");
if (!strnicmp(pszText, buf, 1))
{
// select the next of this letter
SetSingleSelectedItem(m_SortedItems[i]);
ScrollToItem(m_SortedItems[i]);
return;
}
}
// if the after this item we couldn't fine an item with the same letter, fall through and just start from the beginning of list to the last selected item
}
for ( i = 0 ; i < m_SortedItems.Count() ; i++ )
{
// we've gone all the way around - break - if we had a valid index, this is one more that last selectedItem, if not it's an illegal index
if ( i == itemPos)
break;
KeyValues *kv = m_DataItems[ m_SortedItems[i] ]->GetData();
const char *pszText = kv->GetString("text");
if (!strnicmp(pszText, buf, 1))
{
SetSingleSelectedItem(m_SortedItems[i]);
ScrollToItem(m_SortedItems[i]);
return;
}
}
}
else
BaseClass::OnKeyTyped(unichar);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ListViewPanel::OnSliderMoved()
{
InvalidateLayout();
Repaint();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int ListViewPanel::GetItemsPerColumn()
{
int wide, tall;
GetSize(wide, tall);
if ( m_hbar->IsVisible() )
{
tall -= m_hbar->GetTall();
}
return tall / m_iRowHeight; // should round down
}