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utils/vgui_panel_zoo/EditablePanel2Demo.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "DemoPage.h"
+
+#include "tier1/KeyValues.h"
+#include <vgui_controls/ComboBox.h>
+
+using namespace vgui;
+
+
+class EditablePanel2Demo: public DemoPage
+{
+	public:
+		EditablePanel2Demo(Panel *parent, const char *name);
+		~EditablePanel2Demo();
+	
+	private:
+		ComboBox *m_pInternetSpeed;	
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+EditablePanel2Demo::EditablePanel2Demo(Panel *parent, const char *name) : DemoPage(parent, name)
+{
+	// Editable panels are able to have their layout described by external
+	// resource files. All Frames belong to the Editable Panel class.
+	// The class EditablePanel2Demo is a PropertyPage class, and PropertyPage
+	// is an EditablePanel, so we can load in a resource file for this class.
+
+
+	// Load the vgui controls from a resource file.
+	// The resource file looks like this:
+	/* EDITABLE PANEL DEMO RESOURCE FILE LAYOUT
+	"EditablePanelDemo"
+	{
+		"SpeedLabel"
+		{
+			"ControlName"		"Label"
+				"fieldName"		"SpeedLabel"
+				"xpos"		"20"
+				"ypos"		"30"
+				"wide"		"96"
+				"tall"		"20"
+				"autoResize"		"0"
+				"pinCorner"		"0"
+				"visible"		"1"
+				"enabled"		"1"
+				"tabPosition"		"0"
+				"labelText"		"Internet &Speed"
+				"textAlignment"		"east"
+				"associate"		"InternetSpeed"
+		}
+		"InternetSpeed"
+		{
+			"ControlName"		"ComboBox"
+				"fieldName"		"InternetSpeed"
+				"xpos"		"124"
+				"ypos"		"30"
+				"wide"		"200"
+				"tall"		"20"
+				"autoResize"		"0"
+				"pinCorner"		"0"
+				"visible"		"1"
+				"enabled"		"1"
+				"tabPosition"		"0"
+				"textHidden"		"0"
+				"editable"		"0"
+				"maxchars"		"-1"
+		}
+	}
+	*/
+
+	// VGUI control panel resource values are grouped by a panel name, here 
+	// we have 2 panels, one called "SpeedLabel" and one called
+	// "Internet Speed".
+	// Each control has a set of keyValues that describe attributes of
+	// the panel. SpeedLabel's control name is Label, this is a vgui Label class.
+	// Its 'xpos' and 'ypos' tell is position in the parent window. 
+	// Its 'wide' and 'tall' tell its size.
+	// 'AutoResize' is false meaning this panel will not grow or shrink in size
+	// response to panel resizing.
+	// More panel attributes follow, until we come to 'labelText'.
+	// This is the text that will appear in the label. The text is
+	// "Internet Speed" and the ampersand (&) in front of the 'S' indicates
+	// that S is a hotkey in the label name.
+	// 'Associate' associates this label with another vgui control that will
+	// gain focus when the hotkey is hit. The associated control is called
+	// "InternetSpeed" and this panel name happens to be the very next panel in the list.
+	// Its 'ControlName' tells us it is a ComboBox. Hitting the 'S' hotkey will trigger
+	// the combo box to gain focus. Note that the combo box does not currently 
+	// have any items within it.
+
+
+	// This will be the menu items of our combo box menu.	
+	// List of all the different internet speeds
+	char *g_Speeds[] =
+	{
+		{ "Modem - 14.4k"},
+		{ "Modem - 28.8k"},
+		{ "Modem - 33.6k"},
+		{ "Modem - 56k"},
+		{ "ISDN - 112k"},
+		{ "DSL > 256k"},
+		{ "LAN/T1 > 1M"},		
+	};
+
+	// Create a combo box with the name "InternetSpeed"
+	// The parameters of the resource file will be applied to this
+	// combo box.
+	m_pInternetSpeed = new ComboBox(this, "InternetSpeed", ARRAYSIZE(g_Speeds), false);
+
+	// Add menu items to this combo box.
+	for (int i = 0; i < ARRAYSIZE(g_Speeds); i++)
+	{
+		m_pInternetSpeed->AddItem(g_Speeds[i], NULL );
+	}
+
+	// Load the resource file settings into our panel.
+	LoadControlSettings("Demo/EditablePanelDemo.res");
+
+	// When the settings are applied (in applySettings()) our panels gain the 
+	// additional layout specified by the resource keyValues.
+
+	// There, we are done, we have created one control from "thin air" (the Label)
+	// and only had to specify the menu items of the other control (the ComboBox).
+	// All the rest of the layout was done using the EditablePanel's smarts and
+	// a resource file.
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+EditablePanel2Demo::~EditablePanel2Demo()
+{
+}
+
+
+
+Panel* EditablePanel2Demo_Create(Panel *parent)
+{
+	return new EditablePanel2Demo(parent, "EditablePanel2Demo");
+}
+
+