176 lines
4.5 KiB
C++
176 lines
4.5 KiB
C++
// Copyright (C) 2007 Id Software, Inc.
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//
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#include "../precompiled.h"
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#pragma hdrstop
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#if defined( _DEBUG ) && !defined( ID_REDIRECT_NEWDELETE )
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#include "UIWindow.h"
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#include "UserInterfaceLocal.h"
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#include "UIMarquee.h"
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#include "../../sys/sys_local.h"
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SD_UI_IMPLEMENT_CLASS( sdUIMarquee, sdUIWindow )
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idHashMap< sdUITemplateFunction< sdUIMarquee >* > sdUIMarquee::marqueeFunctions;
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/*
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============
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sdUIMarquee::sdUIMarquee
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============
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*/
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sdUIMarquee::sdUIMarquee( void ) :
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scrollStartTime( 0 ),
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scrollTargetTime( 0 ),
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textWidth( 0 ),
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textHeight( 0 ) {
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scriptState.GetProperties().RegisterProperty( "speed", speed );
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scriptState.GetProperties().RegisterProperty( "orientation", orientation );
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speed = 5.0f;
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orientation = SO_HORIZONTAL;
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SetWindowFlag( WF_CLIP_TO_RECT );
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}
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/*
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============
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sdUIMarquee::DrawText
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============
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*/
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void sdUIMarquee::DrawText( const wchar_t* text, const idVec4& color ) {
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if ( *text != L'\0' ) {
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sdBounds2D rect( cachedClientRect.x, cachedClientRect.y, cachedClientRect.z, cachedClientRect.w );
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rect.TranslateSelf( scrollOffset );
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sdUIWindow::DrawText( text, color, fontSize, rect, cachedFontHandle, GetDrawTextFlags() | DTF_NO_SNAP_TO_PIXELS );
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}
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}
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/*
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============
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sdUIMarquee::CalcOffsets
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============
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*/
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void sdUIMarquee::CalcOffsets() {
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if ( textWidth == 0 || textHeight == 0 ) {
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return;
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}
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float textSize;
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float rectSize;
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int index;
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switch( static_cast< eScrollOrientation >( idMath::FtoiFast( orientation ) ) ) {
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case SO_HORIZONTAL:
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textSize = textWidth;
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rectSize = cachedClientRect.z;
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scrollOffset[ 1 ] = 0.0f;
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index = 0;
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break;
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case SO_VERTICAL:
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textSize = textHeight;
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rectSize = cachedClientRect.w;
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scrollOffset[ 0 ] = 0.0f;
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index = 1;
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break;
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default:
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gameLocal.Warning( "sdUIMarquee::CalcOffsets: unknown orientation '%i'", idMath::Ftoi( orientation ) );
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scrollStartTime = 0;
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scrollTargetTime = 0;
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return;
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}
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const int now = GetUI()->GetCurrentTime();
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float ratio = textSize / rectSize;
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if ( ratio < 1.0f ) {
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ratio = 1.0f;
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}
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if ( now >= scrollTargetTime || scrollStartTime == scrollTargetTime || now < scrollStartTime ) {
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scrollStartTime = now;
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}
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scrollTargetTime = scrollStartTime + SEC2MS( speed * ratio );
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float totalTime = static_cast< float >( scrollTargetTime - scrollStartTime );
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float percent = static_cast< float >( now - scrollStartTime ) / totalTime;
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scrollOffset[ index ] = rectSize - percent * ( rectSize + textSize );
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}
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/*
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============
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sdUIMarquee::GetFunction
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============
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*/
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sdUIFunctionInstance* sdUIMarquee::GetFunction( const char* name ) {
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const sdUITemplateFunction< sdUIMarquee >* function = sdUIMarquee::FindFunction( name );
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if( !function ) {
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return sdUIWindow::GetFunction( name );
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}
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return new sdUITemplateFunctionInstance< sdUIMarquee, sdUITemplateFunctionInstance_IdentifierTimeline >( this, function );
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}
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/*
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============
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sdUIMarquee::FindFunction
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============
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*/
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const sdUITemplateFunction< sdUIMarquee >* sdUIMarquee::FindFunction( const char* name ) {
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sdUITemplateFunction< sdUIMarquee >** ptr;
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return marqueeFunctions.Get( name, &ptr ) ? *ptr : NULL;
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}
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/*
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============
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sdUIMarquee::InitFunctions
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============
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*/
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SD_UI_PUSH_CLASS_TAG( sdUIMarquee )
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void sdUIMarquee::InitFunctions() {
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SD_UI_FUNC_TAG( resetScroll, "Reset scroll amount." )
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SD_UI_END_FUNC_TAG
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marqueeFunctions.Set( "resetScroll", new sdUITemplateFunction< sdUIMarquee >( 'v', "", &sdUIMarquee::Script_ResetScroll ) );
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}
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SD_UI_POP_CLASS_TAG
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/*
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============
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sdUIMarquee::Script_ResetScroll
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============
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*/
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void sdUIMarquee::Script_ResetScroll( sdUIFunctionStack& stack ) {
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scrollStartTime = 0;
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scrollTargetTime = 0;
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}
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/*
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============
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sdUIMarquee::ApplyLayout
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============
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*/
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void sdUIMarquee::ApplyLayout() {
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sdUIWindow::ApplyLayout();
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if ( localizedText.GetValue() >= 0 || text.GetValue().Length() > 0 ) {
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const wchar_t* localText = localizedText.GetValue() >= 0 ? declHolder.FindLocStrByIndex( localizedText.GetValue() )->GetText() : text.GetValue().c_str();
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sdBounds2D rect( cachedClientRect.x, cachedClientRect.y, cachedClientRect.z, cachedClientRect.w );
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deviceContext->GetTextDimensions( localText, rect, GetDrawTextFlags(), cachedFontHandle, fontSize, textWidth, textHeight );
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} else {
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textWidth = textHeight = 0;
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}
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//scrollStartTime = scrollTargetTime = 0;
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CalcOffsets();
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}
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