bool GUIDrawLine( gui_window *wnd, gui_point *start, gui_point *end,
gui_line_styles style, gui_ord thickness, gui_attr attr )
{
gui_point my_start;
gui_point my_end;
SAREA area;
char to_use;
/* unused parameters */ (void)style; (void)thickness;
my_start = *start;
my_end = *end;
GUIScaleToScreenRPt( &my_start );
GUIScaleToScreenRPt( &my_end );
area.row = my_start.y;
area.height = my_end.y - my_start.y + 1;
area.col = my_start.x;
area.width = my_end.x - my_start.x + 1;
if( my_start.x == my_end.x ) {
to_use = DRAW( VERT_FRAME );
} else {
if( my_start.y == my_end.y ) {
to_use = DRAW( HOR_FRAME );
} else {
return( false );
}
}
if( AdjustRect( wnd, &area ) ) {
uivfill( &wnd->screen, area, wnd->colours[attr], to_use );
}
return( true );
}
bool GUITrackFloatingPopup( gui_window *wnd, gui_point *location,
gui_mouse_track track, gui_ctl_id *curr_id )
{
WPI_POINT pt;
ULONG flags;
GUI_RECTDIM left, top, right, bottom;
HMENU popup;
if( ( popup = GUIHFloatingPopup ) == (HMENU)NULL ) {
return( false );
}
GUIScaleToScreenRPt( location );
_wpi_getrectvalues( wnd->hwnd_client_rect, &left, &top, &right, &bottom );
location->x += left;
location->y += top;
if( GUI_DO_HSCROLL( wnd ) ) {
location->x -= GUIGetScrollPos( wnd, SB_HORZ );
}
if( GUI_DO_VSCROLL( wnd ) ) {
location->y -= GUIGetScrollPos( wnd, SB_VERT );
}
CurrId = NO_SELECT;
if( ( curr_id != NULL ) && ( *curr_id != 0 ) ) {
CurrId = *curr_id;
}
location->y = _wpi_cvth_y( location->y, (bottom - top) );
pt.x = location->x;
pt.y = location->y;
_wpi_mapwindowpoints( wnd->hwnd, HWND_DESKTOP, &pt, 1 );
flags = TPM_LEFTALIGN;
if( track & GUI_TRACK_LEFT ) {
flags |= TPM_LEFTBUTTON;
}
if( track & GUI_TRACK_RIGHT ) {
flags |= TPM_RIGHTBUTTON;
}
InitComplete = false;
GUIFlushKeys();
_wpi_trackpopupmenu( popup, flags, pt.x, pt.y, wnd->hwnd_frame );
_wpi_destroymenu( popup );
GUIHFloatingPopup = NULLHANDLE;
if( ( CurrId != NO_SELECT ) && ( curr_id != NULL ) ) {
*curr_id = CurrId;
}
CurrId = NO_SELECT;
GUIDeleteFloatingPopups( wnd );
return( true );
}
static void MapLocation( gui_window *wnd, gui_point *point )
{
GUIScaleToScreenRPt( point );
if( ( wnd->hgadget != NULL ) && !GUI_HSCROLL_EVENTS_SET( wnd ) ) {
point->x -= wnd->hgadget->pos;
}
if( ( wnd->vgadget != NULL ) && !GUI_VSCROLL_EVENTS_SET( wnd ) ) {
point->y -= wnd->vgadget->pos;
}
point->x += wnd->use.col + 1;
point->y += wnd->use.row + 1;
}
gui_ord GUIGetRow( gui_window * wnd, gui_point * in_pos )
{
int height;
gui_ord row;
gui_point pos;
pos = *in_pos;
GUIGetMetrics( wnd );
height = AVGYCHAR(GUItm);
GUIScaleToScreenRPt( &pos );
row = pos.y / height;
return( row );
}
gui_ord GUIGetCol( gui_window * wnd, char * text, gui_point * in_pos )
{
int width;
bool got_new;
gui_point pos;
got_new = GUIGetTheDC( wnd );
GUIGetMetrics( wnd );
pos = *in_pos;
GUIScaleToScreenRPt( &pos );
width = pos.x / MAXXCHAR( GUItm );
while( ( width < strlen( text ) ) &&
( GUIGetTextExtentX( wnd, text, width ) <= pos.x ) ) {
width++ ;
}
if( got_new ) {
GUIReleaseTheDC( wnd );
}
return( (gui_ord) ( width - 1 ) );
}
static bool DrawLine( gui_window *wnd, gui_point *start, gui_point *end,
gui_line_styles style, gui_ord thickness,
WPI_COLOUR colour )
{
gui_point my_start;
gui_point my_end;
HPEN pen;
int win_style;
gui_coord coord;
HPEN old_pen;
int hscroll;
int vscroll;
WPI_POINT pt;
int win_height;
my_start = *start;
my_end = *end;
GUIScaleToScreenRPt( &my_start );
GUIScaleToScreenRPt( &my_end );
if( GUI_DO_VSCROLL( wnd ) ) {
vscroll = GUIGetScrollPos( wnd, SB_VERT );
} else {
vscroll = 0;
}
if( GUI_DO_HSCROLL( wnd ) ) {
hscroll = GUIGetScrollPos( wnd, SB_HORZ );
} else {
hscroll = 0;
}
switch( style ) {
case GUI_PEN_SOLID :
win_style = PS_SOLID;
coord.x = thickness;
GUIScaleToScreenR( &coord );
break;
case GUI_PEN_DASH :
coord.x = 1;
win_style = PS_DASH;
break;
case GUI_PEN_DOT :
coord.x = 1;
win_style = PS_DOT;
break;
case GUI_PEN_DASHDOT :
coord.x = 1;
win_style = PS_DASHDOT;
break;
case GUI_PEN_DASHDOTDOT :
coord.x = 1;
win_style = PS_DASHDOTDOT;
break;
default:
coord.x = 0;
win_style = 0;
break;
}
pen = _wpi_createpen( win_style, coord.x, colour );
old_pen = _wpi_selectpen( wnd->hdc, pen );
win_height = _wpi_getheightrect( wnd->hwnd_client_rect );
pt.x = my_start.x - hscroll;
pt.y = my_start.y - vscroll;
pt.y = _wpi_cvth_y_plus1( pt.y, win_height );
_wpi_movetoex( wnd->hdc, &pt, &pt );
pt.x = my_end.x - hscroll;
pt.y = my_end.y - vscroll;
pt.y = _wpi_cvth_y_plus1( pt.y, win_height );
_wpi_lineto( wnd->hdc, &pt );
if( old_pen != NULLHANDLE ) {
_wpi_getoldpen( wnd->hdc, old_pen );
}
_wpi_deletepen( pen );
return( true );
}
