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module appgraphics_filo
use filo
implicit none
type, extends(editorConfig) :: apEditorConfig
integer::window
integer::x, y, w, h
end type apEditorConfig
contains
function initApEditor(win, x, y, w, h) result(E)
use appgraphics, only: getmaxx, getmaxy
implicit none
integer, intent(in)::win
integer, intent(in), optional::x, y, w, h
type(apEditorConfig)::E
call initEditor(E)
E%window = win
if(present(x)) then
E%x = x
else
E%x = 0
end if
if(present(y)) then
E%y = y
else
E%y = 0
end if
if(present(w)) then
E%w = w
else
E%w = getmaxx()
end if
if(present(h)) then
E%h = h
else
E%h = getmaxy()
end if
call updateApEditorSize(E)
end function initApEditor
subroutine updateApEditorSize(E)
use appgraphics
implicit none
class(apEditorConfig), intent(inout)::E
E%screencols = 0
do while(textwidth(repeat('X', E%screencols+1)) < E%w)
E%screencols = E%screencols + 1
end do
E%screenrows = E%h / textheight('XXX')
E%cx = max(E%cx, E%screencols)
E%cy = max(E%cy, E%screenrows)
end subroutine updateApEditorSize
subroutine drawApEditor(E)
use appgraphics
implicit none
class(apEditorConfig), intent(inout)::E
integer::irow, icol, icollast
integer::x, y, rh
character(len=:), pointer::row_text
call setcurrentwindow(E%window)
call resetviewport()
call setviewport(E%x, E%y, E%x+E%w, E%y+E%h, .TRUE.)
call clearviewport()
! We used to compute this per line, but the text height calcs are way off
rh = textheight('XXXyy')
y = 0
do irow = 1+E%rowoff, E%rowoff + E%screenrows
x = 0
rh = 0
row_text => E%row(irow)%string_pointer()
if(.not. associated(row_text)) then
rh = textheight('XXX')
else
if(E%coloff+1 > len(row_text)) then
rh = textheight('XXX')
else
icol = 1 - E%coloff
icollast = min(icol+E%screencols, len(row_text))
call outtextxy(x, y, row_text(icol:icollast))
rh = textheight(row_text(icol:icollast))
end if
! if(irow == E%cy .and. icol == E%cx) then
! call bar(x, y, x+3, y+rh)
! end if
end if
! Cursor
if(irow - E%rowoff == E%cy) then
if(.not. associated(row_text) .or. E%cx == 1) then
x = 0
else
! Width calculations are all messed up by trimming
! being performed in textwidth
if(len(row_text) < icol+E%cx-2) then
E%cx = len(row_text) - icol + 2
end if
icollast = icol+E%cx-2
x = index(row_text(icol:icollast), ' ')
do while(x > 0)
x = x + icol - 1
row_text(x:x) = '_'
x = index(row_text(icol:icollast), ' ')
end do
x = textwidth(row_text(icol:icollast))
end if
call bar(x, y+rh-1, x+3, y+1)
end if
if(associated(row_text)) then
deallocate(row_text)
row_text => null()
end if
y = y + rh
end do
call resetviewport()
end subroutine drawApEditor
end module appgraphics_filo
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