/*
* SelectLineMouseHandler - handle mouse events for line selector
*/
bool SelectLineMouseHandler( window_id id, int win_x, int win_y )
{
int x, y, i;
if( LastMouseEvent != MOUSE_DRAG && LastMouseEvent != MOUSE_PRESS &&
LastMouseEvent != MOUSE_DCLICK && LastMouseEvent != MOUSE_RELEASE &&
LastMouseEvent != MOUSE_REPEAT && LastMouseEvent != MOUSE_PRESS_R ) {
return( FALSE );
}
mouseWin = id;
mouseScroll = MS_NONE;
if( !isMenu && (id == cWin) && (LastMouseEvent == MOUSE_REPEAT ||
LastMouseEvent == MOUSE_PRESS ||
LastMouseEvent == MOUSE_DCLICK ) ) {
x = WindowAuxInfo( cWin, WIND_INFO_WIDTH );
y = WindowAuxInfo( cWin, WIND_INFO_HEIGHT );
if( win_x == x - 1 ) {
if( win_y == 1 ) {
mouseScroll = MS_EXPOSEUP;
return( TRUE );
} else if( win_y == y - 2 ) {
mouseScroll = MS_EXPOSEDOWN;
return( TRUE );
} else if( win_y > 1 && win_y < y / 2 ) {
mouseScroll = MS_PAGEUP;
return( TRUE );
} else if( win_y >= y / 2 && win_y < y - 1 ) {
mouseScroll = MS_PAGEDOWN;
return( TRUE );
}
}
}
if( LastMouseEvent == MOUSE_REPEAT ) {
if( id != cWin && !isMenu ) {
y = WindowAuxInfo( cWin, WIND_INFO_Y1 );
if( MouseRow < y ) {
mouseScroll = MS_UP;
return( TRUE );
}
y = WindowAuxInfo( cWin, WIND_INFO_Y2 );
if( MouseRow > y ) {
mouseScroll = MS_DOWN;
return( TRUE );
}
}
return( FALSE );
}
if( isMenu && EditFlags.Menus && id == MenuWindow &&
LastMouseEvent != MOUSE_PRESS_R ) {
i = GetMenuIdFromCoord( win_x );
if( i >= 0 ) {
rlMenuNum = i - GetCurrentMenuId();
if( rlMenuNum != 0 ) {
rlMenu = TRUE;
}
}
return( TRUE );
}
if( id != cWin && id != oWin ) {
return( TRUE );
}
if( !InsideWindow( id, win_x, win_y ) ) {
return( FALSE );
}
mouseLine = win_y - 1;
return( TRUE );
} /* SelectLineMouseHandler */
/*
* UpdateDrag - update selected region
*/
void UpdateDrag( window_id id, int win_x, int win_y )
{
int nx, ny, height;
int moveCursor;
SelRgn.selected = TRUE;
moveCursor = 0;
height = WindowAuxInfo( CurrentWindow, WIND_INFO_TEXT_LINES );
#ifdef __WIN__
if( id == CurrentWindow && InsideWindow( id, MouseX, MouseY ) ) {
#else
if( id == CurrentWindow && InsideWindow( id, win_x, win_y ) ) {
#endif
ny = LeftTopPos.line + win_y - 1;
if( ny > CurrentFile->fcbs.tail->end_line ) {
ny = CurrentFile->fcbs.tail->end_line;
moveCursor = 1;
} else if( ny < 1 ) {
ny = 1;
moveCursor = -1;
}
GoToLineRelCurs( ny );
win_x += LeftTopPos.column;
nx = RealColumnOnCurrentLine( win_x );
GoToColumnOnCurrentLine( nx );
} else {
#ifndef __WIN__
if( MouseRow >= WindowAuxInfo( CurrentWindow, WIND_INFO_Y2 ) ) {
GoToLineRelCurs( LeftTopPos.line + height );
} else if( MouseRow <= WindowAuxInfo( CurrentWindow, WIND_INFO_Y1 ) ) {
GoToLineRelCurs( LeftTopPos.line - 1 );
} else if( MouseCol <= WindowAuxInfo( CurrentWindow, WIND_INFO_X1 ) ) {
GoToColumnOnCurrentLine( LeftTopPos.column - 1 );
} else if( MouseCol >= WindowAuxInfo( CurrentWindow, WIND_INFO_X2 ) ) {
GoToColumnOnCurrentLine( LeftTopPos.column + WindowAuxInfo( CurrentWindow, WIND_INFO_WIDTH ));
}
#else
{
RECT rect;
GetClientRect( CurrentWindow, &rect );
if( MouseY > rect.bottom ) {
ny = LeftTopPos.line + height;
if( ny > CurrentFile->fcbs.tail->end_line ) {
ny = CurrentFile->fcbs.tail->end_line;
moveCursor = 1;
}
GoToLineRelCurs( ny );
} else if( MouseY < 0 ) {
ny = LeftTopPos.line - 1;
if( ny < 1 ) {
ny = 1;
moveCursor = -1;
}
GoToLineRelCurs( ny );
} else if( MouseX < 0 ) {
GoToColumnOnCurrentLine( LeftTopPos.column - 1 );
} else if( MouseX > rect.right ) {
if( EditFlags.Modeless ) {
GoToColumnOnCurrentLine( 1 + LeftTopPos.column +
WindowAuxInfo( CurrentWindow, WIND_INFO_TEXT_COLS ) );
} else {
GoToColumnOnCurrentLine( LeftTopPos.column +
WindowAuxInfo( CurrentWindow, WIND_INFO_TEXT_COLS ) );
}
}
}
#endif
}
if( moveCursor == -1 ) {
GoToColumnOnCurrentLine( 1 );
} else if( moveCursor == 1 ) {
GoToColumnOnCurrentLine( CurrentFile->fcbs.tail->lines.tail->len + 1 );
}
} /* UpdateDrag */
/*
* UpdateCursorDrag - update drag after cursor movement
*/
void UpdateCursorDrag( void )
{
if( !EditFlags.Dragging ) {
return;
}
if( SelRgn.end.line == CurrentPos.line && SelRgn.end.column == CurrentPos.column ) {
return;
}
#ifndef __WIN__
markRegion( FALSE );
#endif
SelRgn.end = CurrentPos;
if( EditFlags.LineBased == FALSE ) {
SelRgn.lines = FALSE;
} else if( SelRgn.start.line != SelRgn.end.line ) {
SelRgn.lines = TRUE;
} else if( SelRgn.start.column == SelRgn.end.column ) {
SelRgn.lines = TRUE;
} else {
SelRgn.lines = FALSE;
}
updateRegion();
} /* UpdateCursorDrag */
/*
* SetSelRegionCols - set selected region on a line
*/
void SetSelRegionCols( linenum sl, int sc, int ec )
{
vi_rc rc;
line *line;
fcb *fcb;
char *data;
SelRgn.lines = FALSE;
SelRgn.selected = TRUE;
SelRgn.start.line = SelRgn.end.line = sl;
SelRgn.start.column = sc;
SelRgn.end.column = ec + 1;
SelRgn.start_col_v = 0;
rc = CGimmeLinePtr( sl, &fcb, &line );
if( rc == ERR_NO_ERR ) {
data = ( line->u.ld.nolinedata ) ? WorkLine->data : line->data;
SelRgn.start_col_v = GetVirtualCursorPosition( data, SelRgn.start.column );
}
updateRegion();
DCUpdate();
} /* SetSelRegionCols */
/*
* HandleMouseEvent - handle main editor mouse events
*/
vi_rc HandleMouseEvent( void )
{
windim win_x, win_y;
window_id wid;
info *cinfo;
window *w;
int i;
bool diff_word;
vi_rc rc;
wid = GetMousePosInfo( &win_x, &win_y );
if( BAD_ID( wid ) ) {
return( ERR_NO_ERR );
}
w = WINDOW_FROM_ID( wid );
if( !w->has_border ) {
win_x += 1;
win_y += 1;
}
if( dragThumb ) {
if( LastMouseEvent == MOUSE_RELEASE ) {
dragThumb = false;
}
if( wid != current_window_id ) {
return( ERR_NO_ERR );
}
if( win_x == w->width - 1 ) {
return( PositionToNewThumbPosition( w, win_y ) );
}
return( ERR_NO_ERR );
}
if( EditFlags.Dragging ) {
if( LastMouseEvent == MOUSE_DRAG || LastMouseEvent == MOUSE_REPEAT ) {
UpdateDrag( wid, win_x, win_y );
} else {
if( LastMouseEvent == MOUSE_PRESS_R || LastMouseEvent == MOUSE_PRESS ) {
EditFlags.Dragging = false;
if( LastMouseEvent == MOUSE_PRESS_R ) {
LastMouseEvent = MOUSE_RELEASE_R;
}
}
}
}
if( LastMouseEvent == MOUSE_RELEASE_R || LastMouseEvent == MOUSE_DCLICK ) {
if( wid == current_window_id && InsideWindow( wid, win_x, win_y ) ) {
diff_word = (LastMouseEvent == MOUSE_DCLICK);
if( GoToLineRelCurs( LeftTopPos.line + win_y - 1 ) ) {
return( ERR_NO_ERR );
}
win_x += LeftTopPos.column;
win_x = RealColumnOnCurrentLine( win_x );
GoToColumnOnCurrentLine( win_x );
if( diff_word ) {
InitWordSearch( EditVars.WordAltDefn );
}
rc = DoSelectSelection( true );
if( diff_word ) {
InitWordSearch( EditVars.WordDefn );
}
return( rc );
}
}
/*
* all kinds of stuff to do if the button was pressed
*/
if( LastMouseEvent == MOUSE_PRESS || LastMouseEvent == MOUSE_PRESS_R ) {
if( wid != current_window_id ) {
/*
* swap to another window
*/
for( cinfo = InfoHead; cinfo != NULL; cinfo = cinfo->next ) {
if( wid == cinfo->current_window_id ) {
BringUpFile( cinfo, true );
break;
}
}
}
if( wid == current_window_id ) {
if( !ShiftDown() ) {
UnselectRegion();
}
if( w->has_border && LastMouseEvent == MOUSE_PRESS ) {
/*
* clicked on menu for window
*/
if( win_x == 0 && win_y == 0 ) {
return( DoWindowGadgetMenu() );
}
/*
* check for resize request
*/
if( win_x == w->width - 1 && win_y == w->height - 1 ) {
return( ResizeCurrentWindowWithMouse() );
}
/*
* check for move request
*/
if( win_y == 0 ) {
return( MoveCurrentWindowWithMouse() );
}
}
/*
* check for locate cursor
*/
if( InsideWindow( wid, win_x, win_y ) ) {
if( ShiftDown() ) {
EditFlags.Dragging = true;
}
if( GoToLineRelCurs( LeftTopPos.line + win_y - 1 ) ) {
return( ERR_NO_ERR );
}
win_x += LeftTopPos.column;
win_x = RealColumnOnCurrentLine( win_x );
GoToColumnOnCurrentLine( win_x );
if( ShiftDown() ) {
EditFlags.Dragging = false;
} else {
InitSelectedRegion();
}
return( ERR_NO_ERR );
}
}
if( EditFlags.Menus && wid == menu_window_id ) {
i = GetMenuIdFromCoord( win_x - 1 );
if( i >= 0 ) {
return( SetToMenuId( i ) );
}
}
}
/*
* allow double click to close window
*/
if( wid == current_window_id && LastMouseEvent == MOUSE_DCLICK ) {
if( win_y == 0 && win_x == 0 ) {
return( NextFile() );
}
}
/*
* try to scroll screen
*/
if( (LastMouseEvent == MOUSE_REPEAT || LastMouseEvent == MOUSE_DCLICK ||
LastMouseEvent == MOUSE_PRESS) && w->has_border &&
wid == current_window_id && win_x == w->width - 1 ) {
if( win_y == w->height - 2 ) {
return( MoveScreenDown() );
}
if( win_y == 1 ) {
return( MoveScreenUp() );
}
/*
* if we have gadgets, then scroll based on position of scroll
* thumb. furthermore, if the thumb is selected, then begin
* thumb dragging mode
*/
if( w->has_gadgets ) {
if( win_y == w->vert_scroll_pos ) {
dragThumb = true;
return( ERR_NO_ERR );
} else if( win_y < w->vert_scroll_pos ) {
return( MovePageUp() );
} else {
return( MovePageDown() );
}
} else {
if( win_y < w->height / 2 ) {
return( MovePageUp() );
} else {
return( MovePageDown() );
}
}
}
/*
* start dragging
*/
if( wid == current_window_id && (LastMouseEvent == MOUSE_DRAG ||
LastMouseEvent == MOUSE_DRAG_R ) &&
InsideWindow( wid, win_x, win_y ) ) {
EditFlags.Dragging = true;
UpdateDrag( wid, win_x, win_y );
}
return( ERR_NO_ERR );
} /* HandleMouseEvent */
