forked from 0ad/0ad
953f72a91c
This was SVN commit r94.
459 lines
11 KiB
C++
Executable File
459 lines
11 KiB
C++
Executable File
/*
|
|
GUI util
|
|
by Gustav Larsson
|
|
gee@pyro.nu
|
|
|
|
--Overview--
|
|
|
|
Contains help class GUI<>, which gives us templated
|
|
parameter to all functions within GUI.
|
|
|
|
--More info--
|
|
|
|
Check GUI.h
|
|
|
|
*/
|
|
|
|
#ifndef GUIutil_H
|
|
#define GUIutil_H
|
|
|
|
|
|
//--------------------------------------------------------
|
|
// Includes / Compiler directives
|
|
//--------------------------------------------------------
|
|
#include "GUI.h"
|
|
|
|
//--------------------------------------------------------
|
|
// Help Classes/Structs for the GUI
|
|
//--------------------------------------------------------
|
|
// TEMP
|
|
struct CRect
|
|
{
|
|
CRect() {}
|
|
CRect(int _l, int _t, int _r, int _b) :
|
|
left(_l),
|
|
top(_t),
|
|
right(_r),
|
|
bottom(_b) {}
|
|
int bottom, top, left, right;
|
|
|
|
bool operator ==(const CRect &rect) const
|
|
{
|
|
return (bottom==rect.bottom) &&
|
|
(top==rect.top) &&
|
|
(left==rect.left) &&
|
|
(right==rect.right);
|
|
}
|
|
|
|
bool operator !=(const CRect &rect) const
|
|
{
|
|
return !(*this==rect);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @author Gustav Larsson
|
|
*
|
|
* Client Area is a rectangle relative to a parent rectangle
|
|
*
|
|
* You can input the whole value of the Client Area by
|
|
* string. Like used in the GUI.
|
|
*/
|
|
struct CClientArea
|
|
{
|
|
public:
|
|
CClientArea();
|
|
CClientArea(const CStr &Value);
|
|
|
|
/// Pixel modifiers
|
|
CRect pixel;
|
|
|
|
/// Percent modifiers (I'll let this be integers, I don't think a greater precision is needed)
|
|
CRect percent;
|
|
|
|
/**
|
|
* Get client area rectangle when the parent is given
|
|
*/
|
|
CRect GetClientArea(const CRect &parent);
|
|
|
|
/**
|
|
* The ClientArea can be set from a string looking like:
|
|
*
|
|
* @code
|
|
* "0 0 100% 100%"
|
|
* "50%-10 50%-10 50%+10 50%+10" @endcode
|
|
*
|
|
* i.e. First percent modifier, then + or - and the pixel modifier.
|
|
* Although you can use just the percent or the pixel modifier. Notice
|
|
* though that the percent modifier must always be the first when
|
|
* both modifiers are inputted.
|
|
*
|
|
* @return true if success, false if failure. If false then the client area
|
|
* will be unchanged.
|
|
*/
|
|
bool SetClientArea(const CStr &Value);
|
|
};
|
|
|
|
|
|
// TEMP
|
|
struct CColor
|
|
{
|
|
float r, g, b, a;
|
|
};
|
|
|
|
//--------------------------------------------------------
|
|
// Forward declarations
|
|
//--------------------------------------------------------
|
|
class CGUI;
|
|
class IGUIObject;
|
|
|
|
/**
|
|
* @author Gustav Larsson
|
|
*
|
|
* Base class to only the class GUI. This superclass is
|
|
* kind of a templateless extention of the class GUI.
|
|
* Used for other functions to friend with, because it
|
|
* it can't friend with GUI since it's templated.
|
|
*/
|
|
class CInternalCGUIAccessorBase
|
|
{
|
|
protected:
|
|
/// Get object pointer
|
|
static IGUIObject * GetObjectPointer(CGUI &GUIinstance, const CStr &Object);
|
|
|
|
/// const version
|
|
static const IGUIObject * GetObjectPointer(const CGUI &GUIinstance, const CStr &Object);
|
|
|
|
/// Wrapper for ResetStates
|
|
static void QueryResetting(IGUIObject *pObject);
|
|
};
|
|
|
|
|
|
/**
|
|
* @author Gustav Larsson
|
|
*
|
|
* Includes static functions that needs one template
|
|
* argument.
|
|
*
|
|
* int is only to please functions that doesn't even use T
|
|
* and are only within this class because it's convenient
|
|
*/
|
|
template <typename T=int>
|
|
class GUI : public CInternalCGUIAccessorBase
|
|
{
|
|
// Private functions further ahead
|
|
friend class CGUI;
|
|
friend class IGUIObject;
|
|
friend class CInternalCGUIAccessorBase;
|
|
|
|
public:
|
|
/**
|
|
* Retrieves a setting by name from object pointer
|
|
*
|
|
* @param pObject Object pointer
|
|
* @param Setting Setting by name
|
|
* @param Value Stores value here, note type T!
|
|
*/
|
|
static PS_RESULT GetSetting(const IGUIObject *pObject, const CStr &Setting, T &Value)
|
|
{
|
|
if (pObject == NULL)
|
|
return PS_OBJECT_FAIL;
|
|
|
|
if (!pObject->SettingExists(Setting))
|
|
return PS_SETTING_FAIL;
|
|
|
|
// Set value
|
|
Value = *(T*)((size_t)pObject+pObject->GetSettingsInfo()[Setting].m_Offset);
|
|
|
|
return PS_OK;
|
|
}
|
|
|
|
/**
|
|
* Sets a value by name using a real datatype as input.
|
|
*
|
|
* This is the official way of setting a setting, no other
|
|
* way should only causiously be used!
|
|
*
|
|
* @param pObject Object pointer
|
|
* @param Setting Setting by name
|
|
* @param Value Sets value to this, note type T!
|
|
*/
|
|
static PS_RESULT SetSetting(IGUIObject *pObject, const CStr &Setting, const T &Value)
|
|
{
|
|
if (pObject == NULL)
|
|
return PS_OBJECT_FAIL;
|
|
|
|
if (!pObject->SettingExists(Setting))
|
|
return PS_SETTING_FAIL;
|
|
|
|
// Set value
|
|
// This better be the correct adress
|
|
*(T*)((size_t)pObject+pObject->GetSettingsInfo()[Setting].m_Offset) = Value;
|
|
|
|
|
|
//
|
|
// Some settings needs special attention at change
|
|
//
|
|
|
|
// If setting was "size", we need to re-cache itself and all children
|
|
if (Setting == CStr(_T("size")))
|
|
{
|
|
RecurseObject(0, pObject, IGUIObject::UpdateCachedSize);
|
|
}
|
|
else
|
|
if (Setting == CStr(_T("hidden")))
|
|
{
|
|
// Hiding an object requires us to reset it and all children
|
|
QueryResetting(pObject);
|
|
//RecurseObject(0, pObject, IGUIObject::ResetStates);
|
|
}
|
|
|
|
return PS_OK;
|
|
}
|
|
|
|
/**
|
|
* Retrieves a setting by settings name and object name
|
|
*
|
|
* @param GUI GUI Object const ref
|
|
* @param Object Object name
|
|
* @param Setting Setting by name
|
|
* @param Value Stores value here, note type T!
|
|
*/
|
|
static PS_RESULT GetSetting(
|
|
const CGUI &GUIinstance, const CStr &Object,
|
|
const CStr &Setting, T &Value)
|
|
{
|
|
if (!GUIinstance.ObjectExists(Object))
|
|
return PS_OBJECT_FAIL;
|
|
|
|
// Retrieve pointer and call sibling function
|
|
const IGUIObject *pObject = GetObjectPointer(GUIinstance, Object);
|
|
|
|
return GetSetting(pObject, Setting, Value);
|
|
}
|
|
|
|
/**
|
|
* Sets a value by setting and object name using a real
|
|
* datatype as input
|
|
*
|
|
* This is just a wrapper so that we can type the object name
|
|
* and not input the actual pointer.
|
|
*
|
|
* @param GUI GUI Object, reference since we'll be changing values
|
|
* @param Object Object name
|
|
* @param Setting Setting by name
|
|
* @param Value Sets value to this, note type T!
|
|
*/
|
|
static PS_RESULT SetSetting(
|
|
CGUI &GUIinstance, const CStr &Object,
|
|
const CStr &Setting, const T &Value)
|
|
{
|
|
if (!GUIinstance.ObjectExists(Object))
|
|
return PS_OBJECT_FAIL;
|
|
|
|
// Retrieve pointer and call sibling function
|
|
|
|
// Important, we don't want to use this T, we want
|
|
// to use the standard T, since that will be the
|
|
// one with the friend relationship
|
|
IGUIObject *pObject = GetObjectPointer(GUIinstance, Object);
|
|
|
|
return SetSetting(pObject, Setting, Value);
|
|
}
|
|
|
|
//--------------------------------------------------------
|
|
// This function returns the C++ structure of the
|
|
// inputted string. For instance if you input
|
|
// "0 0 10 10" and request a CRect, it will give you
|
|
// a CRect(0,0,10,10).
|
|
// This function is widely used within the GUI.
|
|
// Input:
|
|
// String The Value in string format
|
|
// Return:
|
|
// Returns the value in the structure T.
|
|
//--------------------------------------------------------
|
|
/* static T GetStringValue(const CStr &String)
|
|
{
|
|
if (typeid(T) == typeid(int))
|
|
{
|
|
return atoi(String.c_str());
|
|
}
|
|
|
|
if (typeid(T) == typeid(float) ||
|
|
typeid(T) == typeid(double))
|
|
{
|
|
return atof(String.c_str());
|
|
}
|
|
|
|
if (typeid(T) == typeid(CRect))
|
|
{
|
|
(CRect)return CRect();
|
|
}
|
|
|
|
if (typeid(T) == typeid(CColor))
|
|
{
|
|
return CColor();
|
|
}
|
|
|
|
switch(typeid(T))
|
|
{
|
|
case typeid(int):
|
|
return atoi(String);
|
|
|
|
case typeid(float):
|
|
case typeid(double):
|
|
return atof(String);
|
|
|
|
case typeid(CRect):
|
|
return CRect(0,0,0,0);
|
|
|
|
case typeid(CColor):
|
|
return CColor(0,0,0,0);
|
|
|
|
default:
|
|
// Repport error unrecognized
|
|
return T();
|
|
}
|
|
|
|
// If this function is called T is unrecognized
|
|
|
|
// TODO repport error
|
|
|
|
return T();
|
|
}
|
|
*/
|
|
/*
|
|
static T<int> GetStringValue(const CStr &String)
|
|
{
|
|
return atoi(String.c_str());
|
|
}
|
|
*/
|
|
// int
|
|
/* static int GetStringValue(const CStr &String)
|
|
{
|
|
// If this function is called T is unrecognized
|
|
|
|
// TODO repport error
|
|
|
|
return 10;
|
|
}
|
|
*/
|
|
|
|
private:
|
|
// templated typedef of function pointer
|
|
typedef void (IGUIObject::*void_Object_pFunction_argT)(const T &arg);
|
|
typedef void (IGUIObject::*void_Object_pFunction_argRefT)(T &arg);
|
|
typedef void (IGUIObject::*void_Object_pFunction)();
|
|
|
|
/**
|
|
* If you want to call a IGUIObject-function
|
|
* on not just an object, but also on ALL of their children
|
|
* you want to use this recursion system.
|
|
* It recurses an object calling a function on itself
|
|
* and all children (and so forth).
|
|
*
|
|
* <b>Restrictions:</b>\n
|
|
* You can also set restrictions, so that if the recursion
|
|
* reaches an objects with certain setup, it just doesn't
|
|
* call the function on the object, nor it's children for
|
|
* that matter. i.e. it cuts that object off from the
|
|
* recursion tree. What setups that can cause restrictions
|
|
* are hardcoded and specific. Check out the defines
|
|
* GUIRR_* for all different setups.
|
|
*
|
|
* Error reports are either logged or thrown out of RecurseObject.
|
|
* Always use it with try/catch!
|
|
*
|
|
* @param RR Recurse Restrictions, set to 0 if no restrictions
|
|
* @param pObject Top object, this is where the iteration starts
|
|
* @param pFunc Function to recurse
|
|
* @param Argument Argument for pFunc of type T
|
|
* @throws PS_RESULT Depends on what pFunc might throw. PS_RESULT is standard.
|
|
* Itself doesn't throw anything.
|
|
*/
|
|
static void RecurseObject(const int &RR, IGUIObject *pObject, void_Object_pFunction_argT pFunc, const T &Argument)
|
|
{
|
|
if (CheckIfRestricted(RR, pObject))
|
|
return;
|
|
|
|
(pObject->*pFunc)(Argument);
|
|
|
|
// Iterate children
|
|
vector_pObjects::iterator it;
|
|
for (it = pObject->ChildrenItBegin(); it != pObject->ChildrenItEnd(); ++it)
|
|
{
|
|
RecurseObject(RR, *it, pFunc, Argument);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Argument is reference.
|
|
*
|
|
* @see RecurseObject()
|
|
*/
|
|
static void RecurseObject(const int &RR, IGUIObject *pObject, void_Object_pFunction_argRefT pFunc, T &Argument)
|
|
{
|
|
if (CheckIfRestricted(RR, pObject))
|
|
return;
|
|
|
|
(pObject->*pFunc)(Argument);
|
|
|
|
// Iterate children
|
|
vector_pObjects::iterator it;
|
|
for (it = pObject->ChildrenItBegin(); it != pObject->ChildrenItEnd(); ++it)
|
|
{
|
|
RecurseObject(RR, *it, pFunc, Argument);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* With no argument.
|
|
*
|
|
* @see RecurseObject()
|
|
*/
|
|
static void RecurseObject(const int &RR, IGUIObject *pObject, void_Object_pFunction pFunc)
|
|
{
|
|
if (CheckIfRestricted(RR, pObject))
|
|
return;
|
|
|
|
(pObject->*pFunc)();
|
|
|
|
// Iterate children
|
|
vector_pObjects::iterator it;
|
|
for (it = pObject->ChildrenItBegin(); it != pObject->ChildrenItEnd(); ++it)
|
|
{
|
|
RecurseObject(RR, *it, pFunc);
|
|
}
|
|
}
|
|
|
|
private:
|
|
/**
|
|
* Checks restrictions for the iteration, for instance if
|
|
* you tell the recursor to avoid all hidden objects, it
|
|
* will, and this function checks a certain object's
|
|
* restriction values.
|
|
*
|
|
* @param RR What kind of restriction, for instance hidden or disabled
|
|
* @param pObject Object
|
|
* @return true if restricted
|
|
*/
|
|
static bool CheckIfRestricted(const int &RR, IGUIObject *pObject)
|
|
{
|
|
if (RR & GUIRR_HIDDEN)
|
|
{
|
|
if (pObject->GetBaseSettings().m_Hidden)
|
|
return true;
|
|
}
|
|
if (RR & GUIRR_DISABLED)
|
|
{
|
|
if (pObject->GetBaseSettings().m_Enabled)
|
|
return true;
|
|
}
|
|
|
|
// false means not restricted
|
|
return false;
|
|
}
|
|
};
|
|
|
|
#endif
|