300 lines
6.9 KiB
C++
Executable File
300 lines
6.9 KiB
C++
Executable File
/*
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GUI utilities
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by Gustav Larsson
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gee@pyro.nu
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*/
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//#include "stdafx.h"
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#include "GUI.h"
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#include "Parser.h"
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using namespace std;
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template <typename T>
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bool __ParseString(const CStr &Value, T &tOutput)
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{
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// TODO Gee: Unsupported, report error/warning
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return false;
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}
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template <>
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bool __ParseString<bool>(const CStr &Value, bool &Output)
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{
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if (Value == CStr(_T("true")))
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Output = true;
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else
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if (Value == CStr(_T("false")))
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Output = false;
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else
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return false;
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return true;
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}
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template <>
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bool __ParseString<int>(const CStr &Value, int &Output)
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{
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Output = Value.ToInt();
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return true;
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}
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template <>
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bool __ParseString<float>(const CStr &Value, float &Output)
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{
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Output = Value.ToFloat();
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return true;
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}
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template <>
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bool __ParseString<CRect>(const CStr &Value, CRect &Output)
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{
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// Use the parser to parse the values
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CParser parser;
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parser.InputTaskType("", "_$value_$value_$value_$value_");
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string str = (const TCHAR*)Value;
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CParserLine line;
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line.ParseString(parser, str);
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if (!line.m_ParseOK)
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{
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// Parsing failed
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return false;
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}
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int values[4];
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for (int i=0; i<4; ++i)
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{
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if (!line.GetArgInt(i, values[i]))
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{
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// Parsing failed
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return false;
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}
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}
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// Finally the rectangle values
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Output = CRect(values[0], values[1], values[2], values[3]);
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return true;
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}
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template <>
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bool __ParseString<CClientArea>(const CStr &Value, CClientArea &Output)
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{
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return Output.SetClientArea(Value);
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}
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template <>
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bool __ParseString<CColor>(const CStr &Value, CColor &Output)
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{
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// Use the parser to parse the values
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CParser parser;
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parser.InputTaskType("", "_$value_$value_$value_[$value_]");
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string str = (const TCHAR*)Value;
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CParserLine line;
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line.ParseString(parser, str);
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if (!line.m_ParseOK)
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{
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// TODO Gee: Parsing failed
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return false;
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}
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float values[4];
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values[3] = 255.f; // default
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for (int i=0; i<(int)line.GetArgCount(); ++i)
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{
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if (!line.GetArgFloat(i, values[i]))
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{
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// TODO Gee: Parsing failed
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return false;
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}
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}
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Output.r = values[0]/255.f;
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Output.g = values[1]/255.f;
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Output.b = values[2]/255.f;
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Output.a = values[3]/255.f;
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return true;
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}
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template <>
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bool __ParseString<CGUIString>(const CStr &Value, CGUIString &Output)
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{
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const char * buf = Value;
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Output.SetValue(Value);
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return true;
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}
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//--------------------------------------------------------
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// Help Classes/Structs for the GUI implementation
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//--------------------------------------------------------
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CClientArea::CClientArea() : pixel(0,0,0,0), percent(0,0,0,0)
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{
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}
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CClientArea::CClientArea(const CStr &Value)
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{
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SetClientArea(Value);
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}
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CRect CClientArea::GetClientArea(const CRect &parent) const
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{
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// If it's a 0 0 100% 100% we need no calculations
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if (percent == CRect(0,0,100,100) && pixel == CRect(0,0,0,0))
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return parent;
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CRect client;
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// This should probably be cached and not calculated all the time for every object.
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client.left = parent.left + int(float((parent.right-parent.left)*percent.left)/100.f) + pixel.left;
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client.top = parent.top + int(float((parent.bottom-parent.top)*percent.top)/100.f) + pixel.top;
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client.right = parent.left + int(float((parent.right-parent.left)*percent.right)/100.f) + pixel.right;
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client.bottom = parent.top + int(float((parent.bottom-parent.top)*percent.bottom)/100.f) + pixel.bottom;
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return client;
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}
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bool CClientArea::SetClientArea(const CStr &Value)
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{
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// Get value in STL string format
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string _Value = (const TCHAR*)Value;
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// This might lack incredible speed, but since all XML files
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// are read at startup, reading 100 client areas will be
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// negligible in the loading time.
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// Setup parser to parse the value
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CParser parser;
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// One of the for values:
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// will give outputs like (in argument):
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// (200) <== no percent, just the first $value
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// (200) (percent) <== just the percent
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// (200) (percent) (100) <== percent PLUS pixel
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// (200) (percent) (-100) <== percent MINUS pixel
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// (200) (percent) (100) (-100) <== Both PLUS and MINUS are used, INVALID
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string one_value = "_[-_$arg(_minus)]$value[$arg(percent)%_[+_$value]_[-_$arg(_minus)$value]_]";
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string four_values = one_value + "$arg(delim)" +
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one_value + "$arg(delim)" +
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one_value + "$arg(delim)" +
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one_value + "$arg(delim)_"; // it's easier to just end with another delimiter
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parser.InputTaskType("ClientArea", four_values);
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CParserLine line;
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line.ParseString(parser, _Value);
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if (!line.m_ParseOK)
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return false;
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int arg_count[4]; // argument counts for the four values
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int arg_start[4] = {0,0,0,0}; // location of first argument, [0] is alwasy 0
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// Divide into the four piles (delimiter is an argument named "delim")
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for (int i=0, valuenr=0; i<(int)line.GetArgCount(); ++i)
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{
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string str;
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line.GetArgString(i, str);
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if (str == "delim")
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{
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if (valuenr==0)
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{
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arg_count[0] = i;
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arg_start[1] = i+1;
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}
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else
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{
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if (valuenr!=3)
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{
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arg_start[valuenr+1] = i+1;
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arg_count[valuenr] = arg_start[valuenr+1] - arg_start[valuenr] - 1;
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}
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else
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arg_count[3] = (int)line.GetArgCount() - arg_start[valuenr] - 1;
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}
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++valuenr;
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}
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}
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// Iterate argument
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// This is the scheme:
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// 1 argument = Just pixel value
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// 2 arguments = Just percent value
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// 3 arguments = percent and pixel
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// 4 arguments = INVALID
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// Default to 0
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int values[4][2] = {{0,0},{0,0},{0,0},{0,0}};
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for (int v=0; v<4; ++v)
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{
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if (arg_count[v] == 1)
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{
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string str;
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line.GetArgString(arg_start[v], str);
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if (!line.GetArgInt(arg_start[v], values[v][1]))
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return false;
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}
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else
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if (arg_count[v] == 2)
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{
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if (!line.GetArgInt(arg_start[v], values[v][0]))
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return false;
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}
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else
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if (arg_count[v] == 3)
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{
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if (!line.GetArgInt(arg_start[v], values[v][0]) ||
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!line.GetArgInt(arg_start[v]+2, values[v][1]))
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return false;
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}
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else return false;
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}
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// Now store the values[][] in the right place
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pixel.left = values[0][1];
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pixel.top = values[1][1];
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pixel.right = values[2][1];
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pixel.bottom = values[3][1];
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percent.left = values[0][0];
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percent.top = values[1][0];
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percent.right = values[2][0];
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percent.bottom = values[3][0];
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return true;
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}
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//--------------------------------------------------------
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// Utilities implementation
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//--------------------------------------------------------
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IGUIObject * CInternalCGUIAccessorBase::GetObjectPointer(CGUI &GUIinstance, const CStr &Object)
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{
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// if (!GUIinstance.ObjectExists(Object))
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// return NULL;
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return GUIinstance.m_pAllObjects.find(Object)->second;
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}
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const IGUIObject * CInternalCGUIAccessorBase::GetObjectPointer(const CGUI &GUIinstance, const CStr &Object)
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{
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// if (!GUIinstance.ObjectExists(Object))
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// return NULL;
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return GUIinstance.m_pAllObjects.find(Object)->second;
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}
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void CInternalCGUIAccessorBase::QueryResetting(IGUIObject *pObject)
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{
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GUI<>::RecurseObject(0, pObject, &IGUIObject::ResetStates);
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}
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void CInternalCGUIAccessorBase::HandleMessage(IGUIObject *pObject, const SGUIMessage &message)
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{
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pObject->HandleMessage(message);
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}
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