Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
// This class is a message box that has two buttons, ok and cancel instead of
// just the ok button of a message box. We use a message box class for the ok button
// and implement another button here.
//=============================================================================//
#include <math.h>
#define PROTECTED_THINGS_DISABLE
#include <vgui/IInput.h>
#include <vgui/ISystem.h>
#include <vgui/ISurface.h>
#include <vgui/IScheme.h>
#include <vgui/IVGui.h>
#include <vgui/IPanel.h>
#include <vgui_controls/Tooltip.h>
#include <vgui_controls/TextEntry.h>
#include <vgui_controls/Controls.h>
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
using namespace vgui;
//------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------
static vgui::DHANDLE< TextEntry > s_TooltipWindow;
static int s_iTooltipWindowCount = 0;
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
BaseTooltip::BaseTooltip(Panel *parent, const char *text)
{
SetText(text);
_displayOnOneLine = false;
_makeVisible = false;
_isDirty = false;
_enabled = true;
_tooltipDelay = 500; // default delay for opening tooltips
_delay = 0;
}
//-----------------------------------------------------------------------------
// Purpose: Reset the tooltip delay timer
//-----------------------------------------------------------------------------
void BaseTooltip::ResetDelay()
{
_isDirty = true;
_delay = system()->GetTimeMillis() + _tooltipDelay;
}
//-----------------------------------------------------------------------------
// Purpose: Set the tooltip delay before a tooltip comes up.
//-----------------------------------------------------------------------------
void BaseTooltip::SetTooltipDelay( int tooltipDelay )
{
_tooltipDelay = tooltipDelay;
}
//-----------------------------------------------------------------------------
// Purpose: Get the tooltip delay before a tooltip comes up.
//-----------------------------------------------------------------------------
int BaseTooltip::GetTooltipDelay()
{
return _tooltipDelay;
}
//-----------------------------------------------------------------------------
// Purpose: Set the tool tip to display on one line only
// Default is multiple lines.
//-----------------------------------------------------------------------------
void BaseTooltip::SetTooltipFormatToSingleLine()
{
_displayOnOneLine = true;
_isDirty = true;
}
//-----------------------------------------------------------------------------
// Purpose: Set the tool tip to display on multiple lines.
//-----------------------------------------------------------------------------
void BaseTooltip::SetTooltipFormatToMultiLine()
{
_displayOnOneLine = false;
_isDirty = true;
}
//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void BaseTooltip::ShowTooltip(Panel *currentPanel)
{
_makeVisible = true;
PerformLayout();
}
void BaseTooltip::SetEnabled( bool bState )
{
_enabled = bState;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool BaseTooltip::ShouldLayout( void )
{
if (!_makeVisible)
return false;
if (_delay > system()->GetTimeMillis())
return false;
// We only need to layout when we first become visible
if ( !_isDirty )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void BaseTooltip::HideTooltip()
{
_makeVisible = false;
_isDirty = true;
}
//-----------------------------------------------------------------------------
// Purpose: Set the tooltip text
//-----------------------------------------------------------------------------
void BaseTooltip::SetText(const char *text)
{
_isDirty = true;
if (!text)
{
text = "";
}
if (m_Text.Size() > 0)
{
m_Text.RemoveAll();
}
for (unsigned int i = 0; i < strlen(text); i++)
{
m_Text.AddToTail(text[i]);
}
m_Text.AddToTail('\0');
if (s_TooltipWindow.Get() && m_pParent == s_TooltipWindow.Get()->GetParent())
{
s_TooltipWindow->SetText(m_Text.Base());
}
}
//-----------------------------------------------------------------------------
// Purpose: Get the tooltip text
//-----------------------------------------------------------------------------
const char *BaseTooltip::GetText()
{
return m_Text.Base();
}
//-----------------------------------------------------------------------------
// Purpose: Position the tool tip
//-----------------------------------------------------------------------------
void BaseTooltip::PositionWindow( Panel *pTipPanel )
{
int iTipW, iTipH;
pTipPanel->GetSize( iTipW, iTipH );
int cursorX, cursorY;
input()->GetCursorPos(cursorX, cursorY);
int wide, tall;
surface()->GetScreenSize(wide, tall);
int iParentX = 0, iParentY = 0;
if ( !pTipPanel->IsPopup() )
{
pTipPanel->GetParent()->GetPos( iParentX, iParentY );
pTipPanel->GetParent()->LocalToScreen( iParentX, iParentY );
}
cursorX -= iParentX;
cursorY -= iParentY;
if (wide - iTipW > cursorX)
{
cursorY += 20;
// menu hanging right
if (tall - iTipH > cursorY)
{
// menu hanging down
pTipPanel->SetPos(cursorX, cursorY);
}
else
{
// menu hanging up
pTipPanel->SetPos(cursorX, cursorY - iTipH - 20);
}
}
else
{
// menu hanging left
if (tall - iTipH > cursorY)
{
// menu hanging down
pTipPanel->SetPos(cursorX - iTipW, cursorY);
}
else
{
// menu hanging up
pTipPanel->SetPos(cursorX - iTipW, cursorY - iTipH - 20 );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
TextTooltip::TextTooltip(Panel *parent, const char *text) : BaseTooltip( parent, text )
{
if (!s_TooltipWindow.Get())
{
s_TooltipWindow = new TextEntry(NULL, "tooltip");
s_TooltipWindow->InvalidateLayout(false, true);
// this bit of hackery is necessary because tooltips don't get ApplySchemeSettings called from their parents
IScheme *pScheme = scheme()->GetIScheme( s_TooltipWindow->GetScheme() );
s_TooltipWindow->SetBgColor(s_TooltipWindow->GetSchemeColor("Tooltip.BgColor", s_TooltipWindow->GetBgColor(), pScheme));
s_TooltipWindow->SetFgColor(s_TooltipWindow->GetSchemeColor("Tooltip.TextColor", s_TooltipWindow->GetFgColor(), pScheme));
s_TooltipWindow->SetBorder(pScheme->GetBorder("ToolTipBorder"));
s_TooltipWindow->SetFont( pScheme->GetFont("DefaultSmall", s_TooltipWindow->IsProportional()));
}
s_iTooltipWindowCount++;
// this line prevents the main window from losing focus
// when a tooltip pops up
s_TooltipWindow->MakePopup(false, true);
s_TooltipWindow->SetKeyBoardInputEnabled( false );
s_TooltipWindow->SetMouseInputEnabled( false );
SetText(text);
s_TooltipWindow->SetText(m_Text.Base());
s_TooltipWindow->SetEditable(false);
s_TooltipWindow->SetMultiline(true);
s_TooltipWindow->SetVisible(false);
}
//-----------------------------------------------------------------------------
// Purpose: Destructor
//-----------------------------------------------------------------------------
TextTooltip::~TextTooltip()
{
if (--s_iTooltipWindowCount < 1)
{
if ( s_TooltipWindow.Get() )
{
s_TooltipWindow->MarkForDeletion();
}
s_TooltipWindow = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose: Set the tooltip text
//-----------------------------------------------------------------------------
void TextTooltip::SetText(const char *text)
{
BaseTooltip::SetText( text );
if (s_TooltipWindow.Get())
{
s_TooltipWindow->SetText(m_Text.Base());
}
}
//-----------------------------------------------------------------------------
// Purpose: gets the font from the scheme
//-----------------------------------------------------------------------------
void TextTooltip::ApplySchemeSettings(IScheme *pScheme)
{
if ( s_TooltipWindow )
{
s_TooltipWindow->SetFont(pScheme->GetFont("DefaultSmall", s_TooltipWindow->IsProportional()));
}
}
//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void TextTooltip::ShowTooltip(Panel *currentPanel)
{
if ( s_TooltipWindow.Get() )
{
int nLen = s_TooltipWindow->GetTextLength();
if ( nLen <= 0 )
{
// Empty tool tip, no need to show it
_makeVisible = false;
return;
}
char *pBuf = (char*)_alloca( nLen+1 );
s_TooltipWindow->GetText( pBuf, nLen+1 );
Panel *pCurrentParent = s_TooltipWindow->GetParent();
_isDirty = _isDirty || ( pCurrentParent != currentPanel );
s_TooltipWindow->SetText( m_Text.Base() );
s_TooltipWindow->SetParent(currentPanel);
}
BaseTooltip::ShowTooltip( currentPanel );
}
//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void TextTooltip::PerformLayout()
{
if ( !ShouldLayout() )
return;
// we're ready, just make us visible
if ( !s_TooltipWindow.Get() )
return;
_isDirty = false;
s_TooltipWindow->SetVisible(true);
s_TooltipWindow->MakePopup( false, true );
s_TooltipWindow->SetKeyBoardInputEnabled( false );
s_TooltipWindow->SetMouseInputEnabled( false );
// relayout the textwindow immediately so that we know it's size
//m_pTextEntry->InvalidateLayout(true);
SizeTextWindow();
PositionWindow( s_TooltipWindow );
}
//-----------------------------------------------------------------------------
// Purpose: Size the text window so all the text fits inside it.
//-----------------------------------------------------------------------------
void TextTooltip::SizeTextWindow()
{
if ( !s_TooltipWindow.Get() )
return;
if (_displayOnOneLine)
{
// We want the tool tip to be one line
s_TooltipWindow->SetMultiline(false);
s_TooltipWindow->SetToFullWidth();
}
else
{
// We want the tool tip to be one line
s_TooltipWindow->SetMultiline(false);
s_TooltipWindow->SetToFullWidth();
int wide, tall;
s_TooltipWindow->GetSize( wide, tall );
double newWide = sqrt( (2.0/1) * wide * tall );
double newTall = (1/2) * newWide;
s_TooltipWindow->SetMultiline(true);
s_TooltipWindow->SetSize((int)newWide, (int)newTall );
s_TooltipWindow->SetToFullHeight();
s_TooltipWindow->GetSize( wide, tall );
if (( wide < 100 ) && ( s_TooltipWindow->GetNumLines() == 2) )
{
s_TooltipWindow->SetMultiline(false);
s_TooltipWindow->SetToFullWidth();
}
else
{
while ( (float)wide/(float)tall < 2 )
{
s_TooltipWindow->SetSize( wide + 1, tall );
s_TooltipWindow->SetToFullHeight();
s_TooltipWindow->GetSize( wide, tall );
}
}
s_TooltipWindow->GetSize( wide, tall );
// ivgui()->DPrintf("End Ratio: %f\n", (float)wide/(float)tall);
}
}
//-----------------------------------------------------------------------------
// Purpose: Display the tooltip
//-----------------------------------------------------------------------------
void TextTooltip::HideTooltip()
{
if ( s_TooltipWindow.Get() )
{
s_TooltipWindow->SetVisible(false);
}
BaseTooltip::HideTooltip();
}