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//
// C++ Implementation: links navigation dialog
//
// Description:
// Allows to select link from current page, and go to it.
//
// Author: Vadim Lopatin <vadim.lopatin@coolreader.org>, (C) 2008
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "StdAfx.h"
#include "linksdlg.h"
#include "mainwnd.h"
static const char * link_back_active[] = {
"30 27 5 1",
"0 c #000000",
"o c #A1A1A1",
". c #FFFFFF",
"x c #A1A1A1",
" c None",
"..............................",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".x.........00...............x.",
".x........0o0...............x.",
".x.......0oo0...............x.",
".x......0ooo0...............x.",
".x.....0oooo0...............x.",
".x....0ooooo00000000000000..x.",
".x...0ooooooooooooooooooo0..x.",
".x..0oooooooooooooooooooo0..x.",
".x.0ooooooooooooooooooooo0..x.",
".x..0oooooooooooooooooooo0..x.",
".x...0ooooooooooooooooooo0..x.",
".x....0ooooo00000000000000..x.",
".x.....0oooo0...............x.",
".x......0ooo0...............x.",
".x.......0oo0...............x.",
".x........0o0...............x.",
".x.........00...............x.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
"..............................",
};
static const char * link_forward_active[] = {
"30 27 5 1",
"0 c #000000",
"o c #A1A1A1",
". c #FFFFFF",
"x c #A1A1A1",
" c None",
"..............................",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".x..............00..........x.",
".x..............0o0.........x.",
".x..............0oo0........x.",
".x..............0ooo0.......x.",
".x..............0oooo0......x.",
".x.00000000000000ooooo0.....x.",
".x.0ooooooooooooooooooo0....x.",
".x.0oooooooooooooooooooo0...x.",
".x.0ooooooooooooooooooooo0..x.",
".x.0oooooooooooooooooooo0...x.",
".x.0ooooooooooooooooooo0....x.",
".x.00000000000000ooooo0.....x.",
".x..............0oooo0......x.",
".x..............0ooo0.......x.",
".x..............0oo0........x.",
".x..............0o0.........x.",
".x..............00..........x.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
"..............................",
};
static const char * link_back_normal[] = {
"30 27 5 1",
"0 c #515151",
"o c #FFFFFF",
". c #FFFFFF",
"x c #A1A1A1",
" c None",
"..............................",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".x.........00...............x.",
".x........0o0...............x.",
".x.......0oo0...............x.",
".x......0ooo0...............x.",
".x.....0oooo0...............x.",
".x....0ooooo00000000000000..x.",
".x...0ooooooooooooooooooo0..x.",
".x..0oooooooooooooooooooo0..x.",
".x.0ooooooooooooooooooooo0..x.",
".x..0oooooooooooooooooooo0..x.",
".x...0ooooooooooooooooooo0..x.",
".x....0ooooo00000000000000..x.",
".x.....0oooo0...............x.",
".x......0ooo0...............x.",
".x.......0oo0...............x.",
".x........0o0...............x.",
".x.........00...............x.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
"..............................",
};
static const char * link_forward_normal[] = {
"30 27 5 1",
"0 c #515151",
"o c #FFFFFF",
". c #FFFFFF",
"x c #A1A1A1",
" c None",
"..............................",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".x..............00..........x.",
".x..............0o0.........x.",
".x..............0oo0........x.",
".x..............0ooo0.......x.",
".x..............0oooo0......x.",
".x.00000000000000ooooo0.....x.",
".x.0ooooooooooooooooooo0....x.",
".x.0oooooooooooooooooooo0...x.",
".x.0ooooooooooooooooooooo0..x.",
".x.0oooooooooooooooooooo0...x.",
".x.0ooooooooooooooooooo0....x.",
".x.00000000000000ooooo0.....x.",
".x..............0oooo0......x.",
".x..............0ooo0.......x.",
".x..............0oo0........x.",
".x..............0o0.........x.",
".x..............00..........x.",
".x..........................x.",
".x..........................x.",
".x..........................x.",
".xxxxxxxxxxxxxxxxxxxxxxxxxxxx.",
"..............................",
};
void CRLinksDialog::Update()
{
setDirty();
_wm->update( false );
}
void CRLinksDialog::draw()
{
if ( _invalidateRect.isEmpty() ) {
CRLog::debug("crLinksDialog::Draw() - invalidated rect is empty!");
return;
}
CRLog::debug("crLinksDialog::Draw()");
LVDocImageRef page = _docview->getPageImage(0);
LVDrawBuf * buf = page->getDrawBuf();
_wm->getScreen()->draw( buf );
CRLog::trace("draw buttons, current=%d", _currentButton);
for ( int i=0; i<_addButtonCount; i++ ) {
int btn = _additionalButtons[i];
_wm->getScreen()->getCanvas()->Draw( btn==_currentButton?_activeIcons[btn]:_normalIcons[btn], _iconRects[i].left, _iconRects[i].top, _iconRects[i].width(), _iconRects[i].height() );
}
}
CRLinksDialog * CRLinksDialog::create( CRGUIWindowManager * wm, CRViewDialog * docwin )
{
ldomXRangeList list;
docwin->getDocView()->getCurrentPageLinks( list );
int backSize = docwin->getDocView()->getNavigationHistory().backCount();
int fwdSize = docwin->getDocView()->getNavigationHistory().forwardCount();
if ( list.length()==0 && backSize==0 && fwdSize==0)
return NULL;
docwin->getDocView()->clearImageCache();
docwin->getDocView()->selectFirstPageLink();
return new CRLinksDialog( wm, docwin );
}
CRLinksDialog::CRLinksDialog( CRGUIWindowManager * wm, CRViewDialog * docwin )
: CRGUIWindowBase( wm ), _docwin(docwin), _docview(docwin->getDocView())
{
_invalidateRect.left = 0;
_invalidateRect.top = 0;
_invalidateRect.right = _wm->getScreen()->getWidth();
_invalidateRect.bottom = _wm->getScreen()->getHeight();
ldomXRangeList list;
_docview->getCurrentPageLinks( list );
_linkCount = list.length();
_backSize = _docview->getNavigationHistory().backCount();
_fwdSize = _docview->getNavigationHistory().forwardCount();
CRLog::debug("LinksDialog: links=%d, back=%d, fwd=%d", _linkCount, _backSize, _fwdSize);
_addButtonCount = 0;
if ( _backSize )
_additionalButtons[_addButtonCount++] = BACK;
if ( _fwdSize )
_additionalButtons[_addButtonCount++] = FORWARD;
CRLog::debug("LinksDialog: creating icons");
_activeIcons[FORWARD] = LVCreateXPMImageSource( link_forward_active );
_activeIcons[BACK] = LVCreateXPMImageSource( link_back_active );
_normalIcons[FORWARD] = LVCreateXPMImageSource( link_forward_normal );
_normalIcons[BACK] = LVCreateXPMImageSource( link_back_normal );
CRLog::debug("LinksDialog: icons created");
int dx = _activeIcons[0]->GetWidth();
int dy = _activeIcons[0]->GetHeight();
int w = 3;
lvRect rc1(w,w,w+dx,w+dy);
lvRect rc2(w+dx+w,w,w+dx+dx+w,w+dy);
_iconRects[0] = rc1;
_iconRects[1] = rc2;
// FORWARD->BACK->LINK->FORWARD->BACK
_currentButton = (_linkCount>0) ? LINK : ( (_backSize>0) ? BACK : FORWARD);
_nextButton[BACK] = (_linkCount>0) ? LINK : ( (_fwdSize>0) ? FORWARD : BACK );
_nextButton[FORWARD] = (_backSize>0) ? BACK :( (_linkCount>0)? LINK : FORWARD);
_nextButton[LINK] = (_fwdSize>0) ? FORWARD : ( (_backSize>0) ? BACK : LINK);
_prevButton[FORWARD] =(_linkCount>0) ? LINK :( (_backSize>0) ? BACK : FORWARD );
_prevButton[BACK] = (_fwdSize>0) ? FORWARD : ( (_linkCount>0)? LINK : BACK);
_prevButton[LINK] = (_backSize>0) ? BACK : ( (_fwdSize>0) ? FORWARD : LINK);
CRLog::debug("dialog is created");
_fullscreen = true;
}
/// returns true if command is processed
bool CRLinksDialog::onCommand( int command, int params )
{
switch ( command ) {
case MCMD_CANCEL:
_docview->clearSelection();
_wm->closeWindow( this );
return true;
case MCMD_OK:
if ( _currentButton==LINK )
_docview->goSelectedLink();
else if ( _currentButton==BACK )
_docview->goBack();
else
_docview->goForward();
_docview->clearSelection();
_wm->closeWindow( this );
return true;
case MCMD_LONG_BACK:
_docview->clearSelection();
_docview->goBack();
_wm->closeWindow( this );
return true;
case MCMD_LONG_FORWARD:
_docview->clearSelection();
_docview->goForward();
_wm->closeWindow( this );
return true;
case MCMD_SCROLL_FORWARD:
case MCMD_SELECT_0:
invalidateCurrentSelection();
if ( _currentButton==LINK ) {
if ( !_docview->selectNextPageLink( _addButtonCount==0 )) {
_currentButton = _nextButton[_currentButton];
}
} else {
_currentButton = _nextButton[_currentButton];
if ( _currentButton==LINK )
_docview->selectNextPageLink( false );
}
Update();
invalidateCurrentSelection();
return true;
case MCMD_SCROLL_BACK:
case MCMD_SELECT_9:
invalidateCurrentSelection();
if ( _currentButton==LINK ) {
if ( !_docview->selectPrevPageLink( _addButtonCount==0 )) {
_currentButton = _prevButton[_currentButton];
}
} else {
_currentButton = _prevButton[_currentButton];
if ( _currentButton==LINK )
_docview->selectPrevPageLink( false );
}
Update();
invalidateCurrentSelection();
return true;
case MCMD_SELECT_1:
case MCMD_SELECT_2:
case MCMD_SELECT_3:
case MCMD_SELECT_4:
case MCMD_SELECT_5:
case MCMD_SELECT_6:
case MCMD_SELECT_7:
case MCMD_SELECT_8:
{
int index = command - MCMD_SELECT_1;
if ( index < _linkCount ) {
ldomXRangeList list;
_docview->getCurrentPageLinks( list );
ldomXRange * link = list[index];
invalidateCurrentSelection();
_docview->selectRange( *link );
draw();
invalidateCurrentSelection();
draw();
_docview->goSelectedLink();
_docview->clearSelection();
_wm->closeWindow( this );
return true;
}
}
break;
default:
return true;
}
return true;
}
void CRLinksDialog::invalidateCurrentSelection()
{
if ( _currentButton != LINK ) {
_invalidateRect.left = _iconRects[0].left;
_invalidateRect.top = _iconRects[0].top;
_invalidateRect.right = _iconRects[1].right;
_invalidateRect.bottom = _iconRects[1].bottom;
CRLog::debug("invalidateCurrentSelection() : invalidating buttons rect");
return;
}
ldomXRange * link = _docview->getCurrentPageSelectedLink();
_invalidateRect.clear();
if ( !link ) {
CRLog::debug("invalidateCurrentSelection() : no current page selection found!");
return;
}
lvRect rc;
if ( link->getRect( rc ) ) {
CRLog::debug("link docRect { %d, %d, %d, %d }", rc.left, rc.top, rc.right, rc.bottom);
#if 1
_invalidateRect.left = 0;
_invalidateRect.top = 0;
_invalidateRect.right = _wm->getScreen()->getWidth();
_invalidateRect.bottom = _wm->getScreen()->getHeight();
#else
lvPoint topLeft = rc.topLeft();
lvPoint bottomRight = rc.bottomRight();
if ( _docview->docToWindowPoint(topLeft) && _docview->docToWindowPoint(bottomRight) ) {
rc.left = topLeft.x;
rc.top = topLeft.y;
rc.right = bottomRight.x;
rc.bottom = bottomRight.y;
CRLog::debug("invalidating link screenRect { %d, %d, %d, %d }", rc.left, rc.top, rc.right, rc.bottom);
_invalidateRect = rc;
} else {
CRLog::debug("link rect conversion error: invalidating full screen");
_invalidateRect.left = 0;
_invalidateRect.top = 0;
_invalidateRect.right = 600;
_invalidateRect.bottom = 800;
}
#endif
} else {
CRLog::debug("invalidateCurrentSelection() : getRect failed for link!");
}
}