623 lines
18 KiB
C++
623 lines
18 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Basic button control
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//
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// $NoKeywords: $
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//=============================================================================//
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#include <stdio.h>
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#include <utlsymbol.h>
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#include <vgui/IBorder.h>
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#include <vgui/IInput.h>
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#include <vgui/IScheme.h>
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#include <vgui/ISurface.h>
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#include <vgui/ISystem.h>
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#include <vgui/IVGui.h>
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#include <vgui/MouseCode.h>
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#include <vgui/KeyCode.h>
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#include <KeyValues.h>
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#include "URLButton.h"
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#include <vgui_controls/FocusNavGroup.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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using namespace vgui;
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DECLARE_BUILD_FACTORY_DEFAULT_TEXT( URLButton, URLButton );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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URLButton::URLButton(Panel *parent, const char *panelName, const char *text, Panel *pActionSignalTarget, const char *pCmd ) : Label(parent, panelName, text)
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{
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Init();
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if ( pActionSignalTarget && pCmd )
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{
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AddActionSignalTarget( pActionSignalTarget );
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SetCommand( pCmd );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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URLButton::URLButton(Panel *parent, const char *panelName, const wchar_t *wszText, Panel *pActionSignalTarget, const char *pCmd ) : Label(parent, panelName, wszText)
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{
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Init();
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if ( pActionSignalTarget && pCmd )
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{
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AddActionSignalTarget( pActionSignalTarget );
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SetCommand( pCmd );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::Init()
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{
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_buttonFlags.SetFlag( USE_CAPTURE_MOUSE | BUTTON_BORDER_ENABLED );
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_mouseClickMask = 0;
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_actionMessage = NULL;
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m_bSelectionStateSaved = false;
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SetTextInset(0, 0);
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SetMouseClickEnabled( MOUSE_LEFT, true );
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SetButtonActivationType(ACTIVATE_ONPRESSEDANDRELEASED);
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// labels have this off by default, but we need it on
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SetPaintBackgroundEnabled( true );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor
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//-----------------------------------------------------------------------------
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URLButton::~URLButton()
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{
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if (_actionMessage)
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{
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_actionMessage->deleteThis();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::SetButtonActivationType(ActivationType_t activationType)
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{
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_activationType = activationType;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set button border attribute enabled.
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//-----------------------------------------------------------------------------
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void URLButton::SetButtonBorderEnabled( bool state )
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{
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if ( state != _buttonFlags.IsFlagSet( BUTTON_BORDER_ENABLED ) )
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{
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_buttonFlags.SetFlag( BUTTON_BORDER_ENABLED, state );
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InvalidateLayout(false);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set button selected state.
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//-----------------------------------------------------------------------------
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void URLButton::SetSelected( bool state )
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{
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if ( _buttonFlags.IsFlagSet( SELECTED ) != state )
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{
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_buttonFlags.SetFlag( SELECTED, state );
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RecalculateDepressedState();
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InvalidateLayout(false);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set button force depressed state.
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//-----------------------------------------------------------------------------
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void URLButton::ForceDepressed(bool state)
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{
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if ( _buttonFlags.IsFlagSet( FORCE_DEPRESSED ) != state )
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{
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_buttonFlags.SetFlag( FORCE_DEPRESSED, state );
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RecalculateDepressedState();
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InvalidateLayout(false);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set button depressed state with respect to the force depressed state.
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//-----------------------------------------------------------------------------
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void URLButton::RecalculateDepressedState( void )
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{
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bool newState;
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if (!IsEnabled())
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{
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newState = false;
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}
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else
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{
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newState = _buttonFlags.IsFlagSet( FORCE_DEPRESSED ) ? true : (_buttonFlags.IsFlagSet(ARMED) && _buttonFlags.IsFlagSet( SELECTED ) );
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}
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_buttonFlags.SetFlag( DEPRESSED, newState );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets whether or not the button captures all mouse input when depressed
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// Defaults to true
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// Should be set to false for things like menu items where there is a higher-level mouse capture
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//-----------------------------------------------------------------------------
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void URLButton::SetUseCaptureMouse( bool state )
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{
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_buttonFlags.SetFlag( USE_CAPTURE_MOUSE, state );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Check if mouse capture is enabled.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool URLButton::IsUseCaptureMouseEnabled( void )
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{
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return _buttonFlags.IsFlagSet( USE_CAPTURE_MOUSE );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set armed state.
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//-----------------------------------------------------------------------------
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void URLButton::SetArmed(bool state)
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{
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if ( _buttonFlags.IsFlagSet( ARMED ) != state )
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{
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_buttonFlags.SetFlag( ARMED, state );
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RecalculateDepressedState();
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InvalidateLayout(false);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Check armed state
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//-----------------------------------------------------------------------------
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bool URLButton::IsArmed()
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{
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return _buttonFlags.IsFlagSet( ARMED );
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}
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KeyValues *URLButton::GetActionMessage()
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{
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return _actionMessage->MakeCopy();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Activate a button click.
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//-----------------------------------------------------------------------------
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void URLButton::DoClick()
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{
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SetSelected(true);
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FireActionSignal();
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SetSelected(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Check selected state
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//-----------------------------------------------------------------------------
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bool URLButton::IsSelected()
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{
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return _buttonFlags.IsFlagSet( SELECTED );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Check depressed state
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//-----------------------------------------------------------------------------
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bool URLButton::IsDepressed()
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{
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return _buttonFlags.IsFlagSet( DEPRESSED );
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}
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//-----------------------------------------------------------------------------
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// Drawing focus box?
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//-----------------------------------------------------------------------------
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bool URLButton::IsDrawingFocusBox()
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{
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return _buttonFlags.IsFlagSet( DRAW_FOCUS_BOX );
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}
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void URLButton::DrawFocusBox( bool bEnable )
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{
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_buttonFlags.SetFlag( DRAW_FOCUS_BOX, bEnable );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Paint button on screen
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//-----------------------------------------------------------------------------
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void URLButton::Paint(void)
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{
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BaseClass::Paint();
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int x, y;
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int controlWidth, controlHeight, textWidth, textHeight;
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GetSize(controlWidth, controlHeight);
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GetContentSize(textWidth, textHeight);
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x = textWidth;
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y = controlHeight - 4;
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surface()->DrawSetColor(GetButtonFgColor());
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surface()->DrawLine(0, y, x, y);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Perform graphical layout of button.
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//-----------------------------------------------------------------------------
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void URLButton::PerformLayout()
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{
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// set our color
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SetFgColor(GetButtonFgColor());
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SetBgColor(GetButtonBgColor());
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BaseClass::PerformLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Get button foreground color
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// Output : Color
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//-----------------------------------------------------------------------------
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Color URLButton::GetButtonFgColor()
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{
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return _defaultFgColor;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Get button background color
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//-----------------------------------------------------------------------------
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Color URLButton::GetButtonBgColor()
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{
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return _defaultBgColor;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called when key focus is received
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//-----------------------------------------------------------------------------
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void URLButton::OnSetFocus()
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{
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InvalidateLayout(false);
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BaseClass::OnSetFocus();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Respond when focus is killed
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//-----------------------------------------------------------------------------
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void URLButton::OnKillFocus()
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{
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InvalidateLayout(false);
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BaseClass::OnKillFocus();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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_defaultFgColor = GetSchemeColor("Button.TextColor", Color(255, 255, 255, 255), pScheme);
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_defaultBgColor = GetSchemeColor("Button.BgColor", Color(0, 0, 0, 255), pScheme);
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set button to be mouse clickable or not.
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//-----------------------------------------------------------------------------
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void URLButton::SetMouseClickEnabled(MouseCode code,bool state)
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{
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if(state)
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{
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//set bit to 1
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_mouseClickMask|=1<<((int)(code+1));
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}
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else
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{
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//set bit to 0
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_mouseClickMask&=~(1<<((int)(code+1)));
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: sets the command to send when the button is pressed
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//-----------------------------------------------------------------------------
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void URLButton::SetCommand( const char *command )
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{
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SetCommand(new KeyValues("Command", "command", command));
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}
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//-----------------------------------------------------------------------------
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// Purpose: sets the message to send when the button is pressed
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//-----------------------------------------------------------------------------
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void URLButton::SetCommand( KeyValues *message )
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{
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// delete the old message
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if (_actionMessage)
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{
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_actionMessage->deleteThis();
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}
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_actionMessage = message;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Peeks at the message to send when button is pressed
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// Input : -
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// Output : KeyValues
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//-----------------------------------------------------------------------------
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KeyValues *URLButton::GetCommand()
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{
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return _actionMessage;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Message targets that the button has been pressed
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//-----------------------------------------------------------------------------
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void URLButton::FireActionSignal()
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{
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// message-based action signal
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if (_actionMessage)
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{
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// see if it's a url
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if (!stricmp(_actionMessage->GetName(), "command")
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&& !strnicmp(_actionMessage->GetString("command", ""), "url ", strlen("url "))
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&& strstr(_actionMessage->GetString("command", ""), "://"))
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{
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// it's a command to launch a url, run it
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system()->ShellExecute("open", _actionMessage->GetString("command", " ") + 4);
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}
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PostActionSignal(_actionMessage->MakeCopy());
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: gets info about the button
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//-----------------------------------------------------------------------------
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bool URLButton::RequestInfo(KeyValues *outputData)
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{
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if (!stricmp(outputData->GetName(), "GetState"))
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{
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outputData->SetInt("state", IsSelected());
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return true;
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}
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else if ( !stricmp( outputData->GetName(), "GetCommand" ))
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{
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if ( _actionMessage )
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{
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outputData->SetString( "command", _actionMessage->GetString( "command", "" ) );
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}
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else
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{
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outputData->SetString( "command", "" );
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}
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return true;
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}
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return BaseClass::RequestInfo(outputData);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Get control settings for editing
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//-----------------------------------------------------------------------------
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void URLButton::GetSettings( KeyValues *outResourceData )
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{
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BaseClass::GetSettings(outResourceData);
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if (_actionMessage)
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{
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outResourceData->SetString("command", _actionMessage->GetString("command", ""));
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}
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outResourceData->SetInt("default", _buttonFlags.IsFlagSet( DEFAULT_BUTTON ) );
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if ( m_bSelectionStateSaved )
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{
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outResourceData->SetInt( "selected", IsSelected() );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::ApplySettings( KeyValues *inResourceData )
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{
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BaseClass::ApplySettings(inResourceData);
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const char *cmd = inResourceData->GetString("command", "");
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if (*cmd)
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{
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// add in the command
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SetCommand(cmd);
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}
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// saved selection state
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int iSelected = inResourceData->GetInt( "selected", -1 );
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if ( iSelected != -1 )
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{
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SetSelected( iSelected != 0 );
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m_bSelectionStateSaved = true;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Describes editing details
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//-----------------------------------------------------------------------------
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const char *URLButton::GetDescription( void )
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{
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static char buf[1024];
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Q_snprintf(buf, sizeof(buf), "%s, string command, int default", BaseClass::GetDescription());
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return buf;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnSetState(int state)
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{
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SetSelected((bool)state);
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Repaint();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnCursorEntered()
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{
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if (IsEnabled())
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{
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SetArmed(true);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnCursorExited()
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{
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if ( !_buttonFlags.IsFlagSet( BUTTON_KEY_DOWN ) )
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{
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SetArmed(false);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnMousePressed(MouseCode code)
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{
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if (!IsEnabled())
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return;
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if (_activationType == ACTIVATE_ONPRESSED)
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{
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if ( IsKeyBoardInputEnabled() )
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{
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RequestFocus();
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}
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DoClick();
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return;
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}
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if (IsUseCaptureMouseEnabled() && _activationType == ACTIVATE_ONPRESSEDANDRELEASED)
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{
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{
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if ( IsKeyBoardInputEnabled() )
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{
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RequestFocus();
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}
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SetSelected(true);
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Repaint();
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}
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// lock mouse input to going to this button
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input()->SetMouseCapture(GetVPanel());
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnMouseDoublePressed(MouseCode code)
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{
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OnMousePressed(code);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnMouseReleased(MouseCode code)
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{
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// ensure mouse capture gets released
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if (IsUseCaptureMouseEnabled())
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{
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input()->SetMouseCapture(NULL);
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}
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if (_activationType == ACTIVATE_ONPRESSED)
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return;
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if (!IsSelected() && _activationType == ACTIVATE_ONPRESSEDANDRELEASED)
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return;
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// it has to be both enabled and (mouse over the button or using a key) to fire
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if ( IsEnabled() && ( GetVPanel() == input()->GetMouseOver() || _buttonFlags.IsFlagSet( BUTTON_KEY_DOWN ) ) )
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{
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DoClick();
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}
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else
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{
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SetSelected(false);
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}
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// make sure the button gets unselected
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Repaint();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnKeyCodePressed(KeyCode code)
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{
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if (code == KEY_SPACE || code == KEY_ENTER)
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{
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SetArmed(true);
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_buttonFlags.SetFlag( BUTTON_KEY_DOWN );
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OnMousePressed(MOUSE_LEFT);
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if (IsUseCaptureMouseEnabled()) // undo the mouse capture since its a fake mouse click!
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{
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input()->SetMouseCapture(NULL);
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}
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}
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else
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{
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_buttonFlags.ClearFlag( BUTTON_KEY_DOWN );
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BaseClass::OnKeyCodePressed(code);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void URLButton::OnKeyCodeReleased(KeyCode code)
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{
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if (_buttonFlags.IsFlagSet( BUTTON_KEY_DOWN ) && (code == KEY_SPACE || code == KEY_ENTER))
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{
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SetArmed(true);
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OnMouseReleased(MOUSE_LEFT);
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}
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else
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{
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BaseClass::OnKeyCodeReleased(code);
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}
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_buttonFlags.ClearFlag( BUTTON_KEY_DOWN );
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SetArmed(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Size the object to its button and text. - only works from in ApplySchemeSettings or PerformLayout()
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//-----------------------------------------------------------------------------
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void URLButton::SizeToContents()
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{
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int wide, tall;
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GetContentSize(wide, tall);
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SetSize(wide + Label::Content, tall + Label::Content);
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}
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