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WindowSystem.cpp -- window system

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

#include "Primitive.h"

#include "WindowSystem.h"

#include "BaseWindow.h"

#include "con_nprint.h"

void CWindowStack::VidInit( bool calledOnce )

{

// now recalc all the menus in stack

FOR_EACH_LL( stack, i )

{

CMenuBaseWindow *item = stack[i];

if( item )

{

int cursor, cursorPrev;

bool valid = false;

// HACKHACK: Save cursor values when VidInit is called once

// this don't let menu "forget" actual cursor values after, for example, window resizing

if( calledOnce

&& item->GetCursor() > 0 // ignore 0, because useless

&& item->GetCursor() < item->ItemCount()

&& item->GetCursorPrev() > 0

&& item->GetCursorPrev() < item->ItemCount() )

{

valid = true;

cursor = item->GetCursor();

cursorPrev = item->GetCursorPrev();

}

// do vid restart for all pushed elements

item->VidInit();

item->Reload();

if( valid )

{

// don't notify menu widget about cursor changes

item->SetCursor( cursorPrev, false );

item->SetCursor( cursor, false );

}

bool CWindowStack::IsVisible( const CMenuBaseWindow *menu ) const

{

if( menu == Current() )

return true;

if( FBitSet( menu->iFlags, QMF_HIDDEN ))

return false;

// for some reason const_cast need here

if( stack.Find( const_cast<CMenuBaseWindow*>( menu )) == stack.InvalidIndex())

return false;

return true;

}

void CWindowStack::Update( )

{

if( !IsActive() )

return;

CUtlVector<CMenuBaseWindow *> drawList( 16 );

CUtlVector<int> removeList( 16 );

bool stop = Current()->IsRoot();

// always add current window

drawList.AddToTail( Current() );

FOR_EACH_LL_BACK( stack, i )

{

stack[i]->Think(); // any window must think

if( i == active )

continue; // will be added last

if( stack[i]->eTransitionType )

{

drawList.AddToTail( stack[i] );

continue;

}

if( FBitSet( stack[i]->iFlags, QMF_CLOSING ))

{

// it's better to not change stack while we traverse it

ClearBits( stack[i]->iFlags, QMF_CLOSING );

removeList.AddToTail( i );

continue;

}

// minimized windows

if( stack[i]->iFlags & QMF_HIDDEN )

continue;

if( stop ) // we don't need to search windows to draw

continue;

// maximized, no need to go further anymore,

// but we need to check for closing windows, so don't break

if( stack[i]->IsRoot() )

{

stop = true;

}

else

{

// start region test

bool inside = false;

Rect window( stack[i]->GetRenderPosition(), stack[i]->GetRenderSize() );

if( !inside )

{

FOR_EACH_VEC( drawList, j )

{

if( drawList[j]->eTransitionType )

continue; // skip animating window

Rect drawnWindow( drawList[j]->GetRenderPosition(), drawList[j]->GetRenderSize() );

if( drawnWindow.IsInside( window ))

inside = true;

}

// region test complete

if( inside )

continue;

}

// add to draw list

drawList.AddToTail( stack[i] );

}

FOR_EACH_VEC( removeList, j )

{

stack.Remove( removeList[j] );

}

FOR_EACH_VEC_BACK( drawList, k )

{

CMenuBaseWindow *window = drawList[k];

if( window->eTransitionType > CMenuBaseWindow::ANIM_CLOSING )

{

if( window->DrawAnimation( ) )

window->DisableTransition();

}

if( !window->eTransitionType )

drawList[k]->Draw();

if( k != drawList.Count() - 1 )

{

window = drawList[k+1];

if( window->eTransitionType == CMenuBaseWindow::ANIM_CLOSING )

{

if( window->DrawAnimation( ) )

window->DisableTransition();

}

if( ui_show_window_stack && ui_show_window_stack->value )

{

con_nprint_t con;

con.index = 0;

con.time_to_live = 0.01f;

con.color[0] = con.color[1] = con.color[2] = 1.0f;

Con_NXPrintf( &con, "Stack:\n" );

FOR_EACH_LL( stack, l )

{

con.index++;

if( active == l )

{

con.color[0] = 0.0f;

con.color[1] = 1.0f;

con.color[2] = 0.0f;

}

else if( FBitSet( stack[l]->iFlags, QMF_CLOSING ))

{

// bloody :)

con.color[0] = 1.0f;

con.color[1] = 0.0f;

con.color[2] = 0.0f;

}

else

{

con.color[0] = con.color[1] = con.color[2] = 1.0f;

}

char visible = '-';

if( drawList.Find( stack[l] ) != drawList.InvalidIndex() )

visible = '+';

if( stack[l]->IsRoot() )

{

Con_NXPrintf( &con, "%c %p - %s\n", visible, stack[l], stack[l]->szName );

}

else

{

Con_NXPrintf( &con, "%c %p - %s\n", visible, stack[l], stack[l]->szName );

}

void CWindowStack::Add( CMenuBaseWindow *menu )

{

if( menu == Current() )

return; // do nothing

if( stack.IsValidIndex( active ))

{

if( stack[active]->IsRoot() && menu->IsRoot() )

{

stack[active]->EnableTransition( CMenuBaseWindow::ANIM_CLOSING );

}

// check if menu already in stack and set it active

int i;

if( ( i = stack.Find( menu )) != stack.InvalidIndex() )

{

active = i;

ClearBits( menu->iFlags, QMF_CLOSING );

return;

}

active = stack.AddToTail( menu );

ClearBits( menu->iFlags, QMF_CLOSING );

if( this == &uiStatic.menu ) // hack!

{

uiStatic.firstDraw = true;

EngFuncs::KEY_SetDest( KEY_MENU );

}

void CWindowStack::Remove( CMenuBaseWindow *menu )

{

int min;

int idx = stack.Find( menu );

if( idx == stack.InvalidIndex() )

{

Con_DPrintf( "CWindowStack::Remove: can't remove not opened window\n" );

}

if( this == &uiStatic.menu ) // hack!

min = 1; // main menu can't close last menu

else

min = 0;

if( stack.Count() > min )

{

SetBits( menu->iFlags, QMF_CLOSING );

FOR_EACH_LL_BACK( stack, i )

{

if( !FBitSet( stack[i]->iFlags, QMF_CLOSING ))

{

active = i; // maybe isn't best solution

if( stack[active]->IsRoot() && menu->IsRoot() )

stack[active]->EnableTransition( CMenuBaseWindow::ANIM_OPENING );

// notify new active window about changed mouse position

stack[active]->MouseMove( uiStatic.cursorX, uiStatic.cursorY );

break;

}

else

{

if( CL_IsActive() )

{

UI_CloseMenu();

}

else

{

EngFuncs::KEY_SetDest( KEY_CONSOLE );

}

// hacks for demos and some environments where we can't play them on background

if( this == &uiStatic.menu && uiStatic.m_fDemosPlayed && uiStatic.m_iOldMenuDepth == stack.Count() - 1 )

{

EngFuncs::ClientCmd( false, "demos\n" );

uiStatic.m_fDemosPlayed = false;

uiStatic.m_iOldMenuDepth = 0;

}

void CWindowStack::InputMethodResized( void )

{

if( Current() && Current()->ItemAtCursor() )

{

Current()->ItemAtCursor()->_Event( QM_IMRESIZED );

}

void CWindowStack::KeyUpEvent( int key )

{

if( Current() ) Current()->KeyUp( key );

}

void CWindowStack::KeyDownEvent( int key )

{

if( Current() ) Current()->KeyDown( key );

}

void CWindowStack::CharEvent( int key )

{

if( Current() ) Current()->Char( key );

}

void CWindowStack::MouseEvent( int x, int y )

{

if( Current() ) Current()->MouseMove( x, y );

}