1 files changed, 109 insertions, 0 deletions
diff --git a/utils/vgui_panel_zoo/ProgressBarDemo.cpp b/utils/vgui_panel_zoo/ProgressBarDemo.cpp
new file mode 100644
index 0000000..54ba1ac
--- /dev/null
+++ b/utils/vgui_panel_zoo/ProgressBarDemo.cpp
@@ -0,0 +1,109 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "DemoPage.h"
+
+#include <VGUI/IVGui.h>
+
+#include <vgui/ISystem.h>
+#include <vgui_controls/Controls.h>
+#include <vgui_controls/ProgressBar.h>
+
+using namespace vgui;
+
+static const int TIMEOUT = 5000; // 5 second timeout
+
+//-----------------------------------------------------------------------------
+// Progress bars are used to illustrate a waiting period (such as 
+// connecting to a server.
+// Here we create a progress bar that fills up every 5 seconds.
+//-----------------------------------------------------------------------------
+class ProgressBarDemo: public DemoPage
+{
+	public:
+		ProgressBarDemo(Panel *parent, const char *name);
+		~ProgressBarDemo();
+
+		void OnTick();
+		void SetVisible(bool status);
+		
+	private:
+		ProgressBar *m_pProgressBar;
+		int m_iTimeoutTime;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+ProgressBarDemo::ProgressBarDemo(Panel *parent, const char *name) : DemoPage(parent, name)
+{
+	m_pProgressBar = new ProgressBar(this, "AProgressBar");
+	m_pProgressBar->SetPos(100, 100);
+	m_pProgressBar->SetWide(300);
+
+	// This makes panel receive a 'Tick' message every frame 
+	// (~50ms, depending on sleep times/framerate)
+	// Panel is automatically removed from tick signal list when it's deleted
+	ivgui()->AddTickSignal(this->GetVPanel());
+
+	m_iTimeoutTime = 0;	 
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+ProgressBarDemo::~ProgressBarDemo()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: When the page is shown, initialize the progress bar.
+//-----------------------------------------------------------------------------
+void ProgressBarDemo::SetVisible(bool status)
+{
+	if (status)
+	{
+	// Set the timeout time.
+	m_iTimeoutTime = system()->GetTimeMillis() + TIMEOUT;
+
+	// Set progress bar to be none of the way done
+	m_pProgressBar->SetProgress(0);
+
+	}
+	DemoPage::SetVisible(status);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Advances the status bar to the end, then starts over 
+//-----------------------------------------------------------------------------
+void ProgressBarDemo::OnTick()
+{
+	if (m_iTimeoutTime)
+	{
+		int currentTime = system()->GetTimeMillis();
+
+		// Check for timeout
+		if (currentTime > m_iTimeoutTime)
+		{
+			// Timed out, make a new timeout time
+			m_iTimeoutTime = system()->GetTimeMillis() + TIMEOUT;
+		}
+		else
+		{
+			// Advance the status bar, in the range 0% to 100%
+			float timePassedPercentage = (float)(currentTime - m_iTimeoutTime + TIMEOUT) / (float)TIMEOUT;
+			m_pProgressBar->SetProgress(timePassedPercentage);
+		}
+	}
+}
+
+
+Panel* ProgressBarDemo_Create(Panel *parent)
+{
+	return new ProgressBarDemo(parent, "ProgressBarDemo");
+}
+
+