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DavidWyand-GG 2012-09-19 11:15:01 -04:00
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Engine/source/gui/controls/guiTextCtrl.cpp Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "platform/platform.h"
#include "gui/controls/guiTextCtrl.h"
#include "gui/core/guiDefaultControlRender.h"
#include "console/consoleTypes.h"
#include "console/console.h"
#include "core/color.h"
#include "i18n/lang.h"
#include "gfx/gfxDrawUtil.h"
#include "console/engineAPI.h"
IMPLEMENT_CONOBJECT( GuiTextCtrl );
ConsoleDocClass( GuiTextCtrl,
"@brief GUI control object this displays a single line of text, without TorqueML.\n\n"
"@tsexample\n"
" new GuiTextCtrl()\n"
" {\n"
" text = \"Hello World\";\n"
" textID = \"\"STR_HELLO\"\";\n"
" maxlength = \"1024\";\n"
" //Properties not specific to this control have been omitted from this example.\n"
" };\n"
"@endtsexample\n\n"
"@see GuiControl\n"
"@see Localization\n\n"
"@ingroup GuiCore\n"
);
GuiTextCtrl::GuiTextCtrl()
{
//default fonts
mInitialText = StringTable->insert("");
mInitialTextID = StringTable->insert("");
mText[0] = '\0';
mMaxStrLen = GuiTextCtrl::MAX_STRING_LENGTH;
}
DefineEngineMethod( GuiTextCtrl, setText, void, (const char* text),,
"@brief Sets the text in the control.\n\n"
"@param text Text to display in the control.\n"
"@tsexample\n"
"// Set the text to show in the control\n"
"%text = \"Gideon - Destroyer of World\";\n\n"
"// Inform the GuiTextCtrl control to change its text to the defined value\n"
"%thisGuiTextCtrl.setText(%text);\n"
"@endtsexample\n\n"
"@see GuiControl")
{
object->setText( text );
}
DefineEngineMethod( GuiTextCtrl, setTextID, void, (const char* textID),,
"@brief Maps the text ctrl to a variable used in localization, rather than raw text.\n\n"
"@param textID Name of variable text should be mapped to\n"
"@tsexample\n"
"// Inform the GuiTextCtrl control of the textID to use\n"
"%thisGuiTextCtrl.setTextID(\"STR_QUIT\");\n"
"@endtsexample\n\n"
"@see GuiControl"
"@see Localization")
{
object->setTextID( textID );
}
void GuiTextCtrl::initPersistFields()
{
addProtectedField("text", TypeCaseString, Offset(mInitialText, GuiTextCtrl), setText, getTextProperty,
"The text to show on the control.");
addField( "textID", TypeString, Offset( mInitialTextID, GuiTextCtrl ),
"Maps the text of this control to a variable used in localization, rather than raw text.");
addField( "maxLength", TypeS32, Offset( mMaxStrLen, GuiTextCtrl ),
"Defines the maximum length of the text. The default is 1024." );
Parent::initPersistFields();
}
bool GuiTextCtrl::onAdd()
{
if(!Parent::onAdd())
return false;
dStrncpy(mText, (UTF8*)mInitialText, MAX_STRING_LENGTH);
mText[MAX_STRING_LENGTH] = '\0';
return true;
}
void GuiTextCtrl::inspectPostApply()
{
Parent::inspectPostApply();
if(mInitialTextID && *mInitialTextID != 0)
setTextID(mInitialTextID);
else if( mConsoleVariable[ 0 ] )
setText( getVariable() );
else
setText(mInitialText);
}
bool GuiTextCtrl::onWake()
{
if ( !Parent::onWake() )
return false;
if( !mProfile->mFont )
{
Con::errorf( "GuiTextCtrl::onWake() - no valid font in profile '%s'", mProfile->getName() );
return false;
}
if(mInitialTextID && *mInitialTextID != 0)
setTextID(mInitialTextID);
if ( mConsoleVariable[0] )
{
const char *txt = Con::getVariable( mConsoleVariable );
if ( txt )
{
if ( dStrlen( txt ) > mMaxStrLen )
{
char* buf = new char[mMaxStrLen + 1];
dStrncpy( buf, txt, mMaxStrLen );
buf[mMaxStrLen] = 0;
setScriptValue( buf );
delete [] buf;
}
else
setScriptValue( txt );
}
}
//resize
autoResize();
return true;
}
void GuiTextCtrl::autoResize()
{
if( mProfile->mAutoSizeWidth || mProfile->mAutoSizeHeight)
{
if( !mProfile->mFont )
{
mProfile->loadFont();
if( !mProfile->mFont )
return;
}
Point2I newExtents = getExtent();
if ( mProfile->mAutoSizeWidth )
newExtents.x = mProfile->mFont->getStrWidth((const UTF8 *) mText );
if ( mProfile->mAutoSizeHeight )
newExtents.y = mProfile->mFont->getHeight() + 4;
setExtent( newExtents );
}
}
void GuiTextCtrl::setText(const char *txt)
{
//make sure we don't call this before onAdd();
if( !mProfile )
return;
if (txt)
dStrncpy(mText, (UTF8*)txt, MAX_STRING_LENGTH);
mText[MAX_STRING_LENGTH] = '\0';
setVariable((char*)mText);
setUpdate();
autoResize();
}
void GuiTextCtrl::setTextID(const char *id)
{
S32 n = Con::getIntVariable(id, -1);
if(n != -1)
{
mInitialTextID = StringTable->insert(id);
setTextID(n);
}
}
void GuiTextCtrl::setTextID(S32 id)
{
const UTF8 *str = getGUIString(id);
if(str)
setText((const char*)str);
//mInitialTextID = id;
}
void GuiTextCtrl::onPreRender()
{
Parent::onPreRender();
const char * var = getVariable();
if(var && var[0] && dStricmp((char*)mText, var))
setText(var);
}
void GuiTextCtrl::onRender(Point2I offset, const RectI &updateRect)
{
renderBorder( RectI( offset, getExtent() ), mProfile );
GFX->getDrawUtil()->setBitmapModulation( mProfile->mFontColor );
renderJustifiedText(offset, getExtent(), (char*)mText);
//render the child controls
renderChildControls(offset, updateRect);
}
const char *GuiTextCtrl::getScriptValue()
{
return getText();
}
void GuiTextCtrl::setScriptValue(const char *val)
{
setText(val);
}