dolphin/Source/Core/VideoCommon/Src/OnScreenDisplay.cpp

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <list>
#include "Common.h"
#include "ConfigManager.h"
#include "OnScreenDisplay.h"
#include "RenderBase.h"
#include "Timer.h"
#include <vector>
namespace OSD
{
struct MESSAGE
{
MESSAGE() {}
MESSAGE(const char* p, u32 dw)
{
strncpy(str, p, 255);
str[255] = '\0';
dwTimeStamp = dw;
}
char str[256];
u32 dwTimeStamp;
};
class OSDCALLBACK
{
private:
CallbackPtr m_functionptr;
CallbackType m_type;
u32 m_data;
public:
OSDCALLBACK(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData)
{
m_type = OnType;
m_functionptr = FuncPtr;
m_data = UserData;
}
void Call()
{
m_functionptr(m_data);
}
CallbackType Type() { return m_type; }
};
std::vector<OSDCALLBACK> m_callbacks;
static std::list<MESSAGE> s_listMsgs;
void AddMessage(const char* pstr, u32 ms)
{
s_listMsgs.push_back(MESSAGE(pstr, Common::Timer::GetTimeMs() + ms));
}
void AddMessage(const std::string& str, u32 ms)
{
AddMessage(str.c_str(), ms);
}
void DrawMessages()
{
if(!SConfig::GetInstance().m_LocalCoreStartupParameter.bOnScreenDisplayMessages)
return;
if (s_listMsgs.size() > 0)
{
int left = 25, top = 15;
std::list<MESSAGE>::iterator it = s_listMsgs.begin();
while (it != s_listMsgs.end())
{
int time_left = (int)(it->dwTimeStamp - Common::Timer::GetTimeMs());
int alpha = 255;
if (time_left < 1024)
{
alpha = time_left >> 2;
if (time_left < 0)
alpha = 0;
}
alpha <<= 24;
g_renderer->RenderText(it->str, left+1, top+1, 0x000000|alpha);
g_renderer->RenderText(it->str, left, top, 0xffff30|alpha);
top += 15;
if (time_left <= 0)
it = s_listMsgs.erase(it);
else
++it;
}
}
}
void ClearMessages()
{
std::list<MESSAGE>::iterator it = s_listMsgs.begin();
while (it != s_listMsgs.end())
{
it = s_listMsgs.erase(it);
}
}
// On-Screen Display Callbacks
void AddCallback(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData)
{
m_callbacks.push_back(OSDCALLBACK(OnType, FuncPtr, UserData));
}
void DoCallbacks(CallbackType OnType)
{
for (auto it = m_callbacks.begin(); it != m_callbacks.end(); ++it)
{
if (it->Type() == OnType)
it->Call();
}
}
} // namespace