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Resizing different %gr areas in the same window
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Tue Mar 27, 2018 11:45 pm    Post subject: Resizing different %gr areas in the same window Reply with quote

Hi,

I am experiencing a problem with my application; I am using a single window (%ww) with three different %gr areas in the window,

rslt=winio@('%ww%ca[FLUXOVIZ]&')
rslt=winio@('%1.2ob[raised]&')
rslt=winio@('%cn%ws%nl&','Painel de Controle')
rslt=winio@('%`^gr[black,rgb_colours]&',painel%xmax-painel%xmin+1,painel%ymax-painel%ymin+1,&
id_painel_de_situacao,painel_de_situacao)
rslt=winio@('%cb&')
rslt=winio@('%`gr[white,rgb_colours]&', &
barra_cores%xmax-barra_cores%xmin+1,barra_cores%ymax-barra_cores%ymin+1,&
id_barra_cores)
rslt=winio@('%cb&')
rslt=winio@('%ob[no_border]&')
rslt=winio@('%`^gr[black,rgb_colours,full_mouse_input,box_selection]&', &
tela%xmax-tela%xmin+1,tela%ymax-tela%ymin+1,&
id_tela,trata_mouse)

rslt=winio@('%cb&')
rslt=winio@('%lw',janela_principal)

and would like to resize the one highlighted above, but if a use a %pv and the option user_resize, when I resize the window, the other two graphics areas move out of place...

I prefer to use three graphics areas since I can keep coordinates which are unique to each and can just select the desired graphics region...

Cheers
Rudnei
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John-Silver



Joined: 30 Jul 2013
Posts: 805

PostPosted: Wed Mar 28, 2018 6:17 am    Post subject: Reply with quote

you could set up an MDI (multi-document interface) window and define several different fixed size child windows within it and put each %gr graphics window in seperate child windows.
Thus the child windows remain unchanged while the &gr can be re-sized individually within each one without affecting the others.
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... but instead becomes our master and will swallow up our life and soul"
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PaulLaidler
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Joined: 21 Feb 2005
Posts: 5356
Location: Salford, UK

PostPosted: Wed Mar 28, 2018 8:07 am    Post subject: Reply with quote

rudnei

I suggest that you post a simple and complete program that illustrates what you want to do. Then others can try out different strategies.

The best answer might be to do the resizing via the new design mode (which I plan to demonstrate on Youtube shortly). This provides an alternative resizing method that might do what you want.

p.s. "shortly" = about two weeks.
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LitusSaxonicum



Joined: 23 Aug 2005
Posts: 1790
Location: Yateley, Hants, UK

PostPosted: Wed Mar 28, 2018 4:18 pm    Post subject: Reply with quote

If you have 3 %gr areas, then you have separate coordinate systems for each, and a different callback for each, but it is much easier to keep it all in one %gr, and simply work out which one you are ina at any time. For example, if you have 3 pseudo %gr field all top aligned, your callback only has to test for the x coordinate (and so on).

Doing things in one %gr also makes the division bars movable independently, for example with 2 areas top aligned and one below them taking the full width, then you can test the pixel position and if you are in the horizontal bar you can change the cursor to arrange resizing vertically, or do the same with the vertical bar.If nice cursors aren't already in Windows/Clearwin+, there are plenty downloadable on the web. I sometimes use the 'smooth' cursors by Vlastimil Miler - they're excellent.

Eddie
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Tue Apr 10, 2018 9:14 pm    Post subject: Reply with quote

Hi,

Following Paul's request, here is an example based on the same structure my actual program is as of now:

Code:

module defs
type vet2
    real :: x,y
end type vet2
type rgb
    integer :: r,g,b
end type rgb
type viewport
    integer :: xmin,xmax,ymin,ymax
end type viewport
integer :: rslt,main_window,id_control_panel=1,id_rainbow=2,id_graphics=3
integer :: resolution
type(viewport) :: window_control_panel,window_rainbow,window_graphics,window_graphics_initial
end module defs

winapp
program test_windows
use defs
implicit none
include <windows.ins>
! external functions
integer, external :: mouse_control

    ! Viewport definitions
    resolution=int(0.6*min(clearwin_info@('SCREEN_WIDTH'),clearwin_info@('SCREEN_DEPTH')))
    window_control_panel=viewport(0,149,0,resolution/2)
    window_rainbow=viewport(0,149,0,resolution/2)
    window_graphics_initial=viewport(0,resolution-1,0,resolution-1)
    window_graphics=window_graphics_initial
   
    ! GUI
    rslt=winio@('%ww%ca[TEST]&')
    rslt=winio@('%1.2ob[raised]&')
    rslt=winio@('%cn%ws%nl&','Control Panel')
    rslt=winio@('%`gr[white,rgb_colours]&',&
                window_control_panel%xmax-window_control_panel%xmin+1,&
                window_control_panel%ymax-window_control_panel%ymin+1,&
                id_control_panel)
    rslt=winio@('%cb&')
    rslt=winio@('%`gr[blue,rgb_colours]&',&
                window_rainbow%xmax-window_rainbow%xmin+1,&
                window_rainbow%ymax-window_rainbow%ymin+1,&
                id_rainbow)
    rslt=winio@('%cb&')
    rslt=winio@('%ob[no_border]&')
    rslt=winio@('%pv%`^gr[black,rgb_colours,full_mouse_input,box_selection,user_resize]&',&
                window_graphics%xmax-window_graphics%xmin+1,&
                window_graphics%ymax-window_graphics%ymin+1,&
                id_graphics,mouse_control)
    rslt=winio@('%cb&')
    rslt=winio@('%lw',main_window)
   
    call use_approximate_colours@(0)

    ! show control panel
    call erase_window(id_control_panel,window_control_panel)
    call control_panel()
    ! draw rainbow
    call erase_window(id_rainbow,window_rainbow)
    call draw_rainbow()
    ! draw circles
    call erase_window(id_graphics,window_graphics)
    call draw_rgb_circles()
 
end program test_windows
[/code]
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Tue Apr 10, 2018 9:19 pm    Post subject: Reply with quote

And here is part 2 of the code:

Code:

subroutine control_panel()
use defs
implicit none
include <windows.ins>
integer, parameter :: items=15
integer :: i
character(len=80),dimension(items) :: buffer
    rslt=select_graphics_object@(id_control_panel)
    write(buffer(1),'(A21)')'window_control_panel:'
    write(buffer(2),'(A5,I3)')'xmin=',window_control_panel%xmin
    write(buffer(3),'(A5,I3)')'xmax=',window_control_panel%xmax
    write(buffer(4),'(A5,I3)')'ymin=',window_control_panel%ymin
    write(buffer(5),'(A5,I3)')'ymax=',window_control_panel%ymax
    write(buffer(6),'(A15)')'window_rainbow:'
    write(buffer(7),'(A5,I3)')'xmin=',window_rainbow%xmin
    write(buffer(8),'(A5,I3)')'xmax=',window_rainbow%xmax
    write(buffer(9),'(A5,I3)')'ymin=',window_rainbow%ymin
    write(buffer(10),'(A5,I3)')'ymax=',window_rainbow%ymax
    write(buffer(11),'(A16)')'window_graphics:'
    write(buffer(12),'(A5,I3)')'xmin=',window_graphics%xmin
    write(buffer(13),'(A5,I3)')'xmax=',window_graphics%xmax
    write(buffer(14),'(A5,I3)')'ymin=',window_graphics%ymin
    write(buffer(15),'(A5,I3)')'ymax=',window_graphics%ymax
    do i=1,items
        call draw_characters@(buffer(i),2,(i-1)*10+2,rgb@(0,255,0))
    end do
    call perform_graphics_update@()
end subroutine control_panel

subroutine draw_rainbow()
use defs
implicit none
include <windows.ins>
type(rgb),dimension(7)::rainbow_colors
integer :: l,w,i,y
    rslt=select_graphics_object@(id_rainbow)
    rainbow_colors(1)=rgb(148,0,211)
    rainbow_colors(2)=rgb(75,0,130)
    rainbow_colors(3)=rgb(0,0,255)
    rainbow_colors(4)=rgb(0,255,0)
    rainbow_colors(5)=rgb(255,255,0)
    rainbow_colors(6)=rgb(255,127,0)
    rainbow_colors(7)=rgb(255,0,0)
    l=real(window_rainbow%xmax-window_rainbow%xmin)/3
    w=real(window_rainbow%ymax-window_rainbow%ymin)/8
    y=ishft(w,-1)
    do i=1,7
        call draw_filled_rectangle@(l,y,window_rainbow%xmax-l,y+w,&
                                    rgb@(rainbow_colors(i)%r,rainbow_colors(i)%g,rainbow_colors(i)%b))
        y=y+w
    end do
    call perform_graphics_update@()
end subroutine draw_rainbow
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Tue Apr 10, 2018 9:20 pm    Post subject: Reply with quote

and part 3...

Code:

integer function mouse_control()
use defs
implicit none
include <windows.ins>
type(viewport) :: selection,window
type(vet2), save :: p0,p1
integer :: mouse_flags
logical, save :: lbutton_up,lbutton_down=.FALSE., &
                 rbutton_up,rbutton_down=.FALSE.
external :: erase_window
    ! seleciona área gráfica
    rslt=select_graphics_object@(id_graphics)

    ! hack para testar redesenho ao aumentar/diminuir window
    if (clearwin_info@('GRAPHICS_RESIZING')==1) then
        call erase_window(id_control_panel,window_control_panel)
        call erase_window(id_graphics,window_graphics)
        resolution=int(0.8*min(clearwin_info@('SCREEN_WIDTH'),clearwin_info@('SCREEN_DEPTH')))
        window_control_panel=viewport(0,99,0,resolution/2)
        window_rainbow=viewport(0,99,0,resolution/2)
        window_graphics=viewport(0,resolution-1,0,resolution-1)
        call control_panel()
        call draw_rgb_circles()
    else
        ! extrai os bits de controle do mouse
        mouse_flags=clearwin_info@('GRAPHICS_MOUSE_FLAGS')

        ! trata botão esquerdo do mouse
        lbutton_up=iand(mouse_flags,MK_LBUTTON)==0
        if (lbutton_up.and.lbutton_down) then
            ! extrai coordenadas da área selecionada no SRD
            call get_graphics_selected_area@(selection%xmin,selection%ymin,selection%xmax,selection%ymax)
            if (selection%xmin>selection%xmax) then
                call swap(selection%xmin,selection%xmax)
            end if
            if (selection%ymin>selection%ymax) then
                call swap(selection%ymin,selection%ymax)
            end if
            ! Zoom-in
            if ((abs(selection%xmax-selection%xmin)>0).and.(abs(selection%ymax-selection%ymin)>0)) then
                call set_graphics_selection@(0)
                call erase_window(id_graphics,window_graphics)
                resolution=int(0.8*min(selection%xmax-selection%xmin,selection%ymax-selection%ymin))
                window_graphics=viewport(0,resolution-1,0,resolution-1)
                call draw_rgb_circles()
                ! habilita seleção
                call set_graphics_selection@(1)
            end if
        end if
        lbutton_down=.not. lbutton_up
       
        ! trata botão direito do mouse
        rbutton_up=iand(mouse_flags,MK_RBUTTON)==0
        if (rbutton_up.and.rbutton_down) then
            call erase_window(id_graphics,window_graphics)
            window_graphics=window_graphics_initial
            call erase_window(id_graphics,window_graphics)
            call draw_rgb_circles()
        end if
        rbutton_down=.not. rbutton_up
    end if
    mouse_control=1
end function mouse_control
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Tue Apr 10, 2018 9:21 pm    Post subject: Reply with quote

and part 4...

Code:

subroutine draw_rgb_circles()
use defs
implicit none
include <windows.ins>
type(vet2) :: centre
integer :: radius
    rslt=select_graphics_object@(id_graphics)
    centre=vet2(0.5*(window_graphics%xmax-window_graphics%xmin),0.5*(window_graphics%ymax-window_graphics%ymin))
    radius=0.25*min(window_graphics%xmax-window_graphics%xmin,window_graphics%ymax-window_graphics%ymin)
    call draw_filled_ellipse@(int(centre%x),int(centre%y-radius),radius,radius,rgb@(255,0,0))
    call draw_filled_ellipse@(int(centre%x-radius),int(centre%y+radius),radius,radius,rgb@(0,255,0))
    call draw_filled_ellipse@(int(centre%x+radius),int(centre%y+radius),radius,radius,rgb@(0,0,255))
    call perform_graphics_update@()
end subroutine draw_rgb_circles

subroutine erase_window(id,w)
use defs
implicit none
include <windows.ins>
integer,intent(in) :: id
type(viewport),intent(in) :: w
    rslt=select_graphics_object@(id)
    call draw_filled_rectangle@(w%xmin,w%ymin,w%xmax,w%ymax,rgb@(0,0,0))
    call perform_graphics_update@()
end subroutine erase_window

subroutine swap(a,b)
implicit none
integer, intent(inout) :: a,b
integer :: c
    c=a; a=b; b=c
end subroutine swap
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John-Silver



Joined: 30 Jul 2013
Posts: 805

PostPosted: Wed Apr 11, 2018 6:15 pm    Post subject: Reply with quote

Rudnei,
It's good that you've put together a test progam but after running it I'm still not sure exactly what you're tryng to do.

Are you actually trying to keep a fixed-size overall window and just be able to change the size of the bigger graphics area (which was my understanding from what you wrote at the top of the post) ?

In the example that you've posted it's odd because the left hand %gr 's are 'fixed' to the bottom of the window while the larger one with the circles which re-sizes is the inverse, fixed to the top of the window - so it's like 2 ships crossing in the night - as you pull down the edge of the window the larger %gr comes down while the top of the left hand areas 'slide' off the top of the window.



I still think the use of mdi with the main window, then defining a frame, then defining 2 child windows, the one on the left containing the 2 smaller %gr 's and the one on the right containing the larger one made re-sizeable along with the %gr itself re-sizeable, will probaby work.

A couple of other observations in passing, these actions (except the first one which may be a bug or a result of some specific combination of actions) may be intentional and/or just a function of having created a test program but I mention them here just for your information in case they're unintended actions :-

1. Try maximising the window first, then move it using the caption bar ..... and the window size changes (reduces) !!! Very odd behaviour.

2. the behaviour of the mouse actions in the circles window seems a bit odd. If I select a region I intuitively expect it to enlarge so that only that area then fills the %gr area. Is that what you intended ? because it actually reduces it and sends it into the top left corner of the screen.

3. after doing as in 2, if I click with the right button in the graphics area the graphics become larger, but not to the same size as the priginal, nor do they fill the screen.

4. After right -clicking, try clicking left button and the 3 circles disappear !
_________________
"This is the triumph of folly.
The machine, which knows no rest, ought to remain a tool,
... but instead becomes our master and will swallow up our life and soul"
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Wed Apr 11, 2018 10:53 pm    Post subject: Reply with quote

Dear John,

Thanks for your reply. Indeed this sample have some side-effects from trimming the actual code, as you have pointed out; item 1 specifically I have no idea at all since the only control I have is via the event GRAPHICS_RESIZING...

But the main thing is: how do I create this MDI? I don't have Visual Studio available... can I do it directly with ClearWin+ ?

Cheers
Rudnei
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John-Silver



Joined: 30 Jul 2013
Posts: 805

PostPosted: Sat Apr 14, 2018 5:15 pm    Post subject: Reply with quote

Hi Rudnei,
yes it's created with Clearwin+.

We need to know exactly what you are trying to sìachive which is why I asked
Quote:
Are you actually trying to keep a fixed-size overall window and just be able to change the size of the bigger graphics area (which was my understanding from what you wrote at the top of the post) ?

... or something else ?
If yo uclarify that I'll take a look.

You can get an idea of the MDI concept here in the working code posted on 9th April.here
http://forums.silverfrost.com/viewtopic.php?t=3746
That's a simple example with a single window nested inside a frame which is defined in the main window.
It's all about working out the nesting strategy you ned and then specifying which sub-window (child-window(s) need to be pivoted so that they re-size automatically when the parent window is re-sized with the cursor.
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"This is the triumph of folly.
The machine, which knows no rest, ought to remain a tool,
... but instead becomes our master and will swallow up our life and soul"
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Sun Apr 15, 2018 1:11 am    Post subject: Reply with quote

Dear John,
I have been looking into the last code provided in the topic you mentioned.

Looks like it will do the trick; I'll try with my application and get back to you.

Cheers!
Rudnei
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Mon Apr 16, 2018 12:03 am    Post subject: Reply with quote

Hi John,

I have modified the code supplied in the aforementioned topic; however, the window captioned "Simulation" is not resizable... any ideas on how to do it?

Cheers
Rudnei

winapp
program test_mdi1
implicit none
include <windows.ins>
integer :: i1,i2,i3,i4,rslt,main_window,&
control_panel=1,display_bar=2,simulation=3

i1=winio@('%ca[Main Window containing an MDI frame]&')
i1=winio@('%ww[no_frame,not_fixed_size]&')

i1=winio@('%pv%fr&',1800,1000)
i1=winio@('%lw',main_window)

i2=winio@('%ww[no_frame]%ca[Control Panel]%`gr[black,rgb_colours,metafile_resize,smooth8]&', &
200,200,control_panel)
i2=winio@('%aw',main_window)

i3=winio@('%ww[no_frame]%ca[Display Bar]%`gr[white,rgb_colours,metafile_resize,smooth8]&', &
100,400,display_bar)
i3=winio@('%aw',main_window)

i4=winio@('%ww[no_frame,not_fixed_size]%ca[Simulation]%`gr[black,rgb_colours,metafile_resize,smooth8]&', &
800,800,simulation)
i4=winio@('%aw',main_window)

! Desenha no painel de controle
rslt=select_graphics_object@(control_panel)
call draw_filled_ellipse@(100,100,80,80,rgb@(127,59,30))

! Desenha na barra de cores
rslt=select_graphics_object@(display_bar)
call draw_filled_rectangle@(2,2,398,398,rgb@(255,255,30))

! Desenha na área de simulação
rslt=select_graphics_object@(simulation)
call draw_filled_rectangle@(10,10,200,200,rgb@(30,255,30))
call draw_filled_rectangle@(100,50,120,60,rgb@(255,0,30))
call draw_filled_rectangle@(400,400,600,5000,rgb@(30,0,255))

end program test_mdi1
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DanRRight



Joined: 10 Mar 2008
Posts: 1816
Location: South Pole, Antarctica

PostPosted: Mon Apr 16, 2018 8:12 am    Post subject: Reply with quote

I hear in my Antarctica how you guys are swearing trying to tame this wild horse called Clearwin. Even i did when tried to fix, did you hear my french? Company must make 100000 demo examples, not 10-15 like all these 20 years. Here are all 4 windows resizable (added text window), "rgb_colours" are now redundant, %es (Escape key) makes debug easier. Used iTextUnit=2 may work only for version 8.30, before it was =0

Code:
winapp
program test_mdi1
implicit none
include <windows.ins>

integer      :: i1,i2,i3,i4, ixF, iyF, rslt, main_window, control_panel, display_bar, simulation
integer iT, iTextUnit
integer, external :: empty

ixF=1100
iyF=1000
iTextUnit=2 ! was 0 before version 8.30

i1=winio@('%ww[no_border]%es&')
i1=winio@('%ca[Main Window containing an MDI frame]&')
i1=winio@('%pv%fr%lw',ixF,iyF, main_window)


iT=winio@('%aw%ww[no_border]%ca[Text Window]%pv%40.8cw', &
main_window, iTextUnit )

i2=winio@('%aw%ww[no_border]%ca[Control Panel]%pv%`^gr[black,user_resize]', &
main_window, 300,200,control_panel, empty )

i3=winio@('%aw%ww[no_border]%ca[Display Bar]%pv%`^gr[white,rgb_colours,user_resize]', &
main_window, 500,400, display_bar, empty )

!i3=winio@('%aw&',main_window)
!i3=winio@('%ww[no_frame]%ca[Display Bar]%pv%`gr[white,metafile_resize]', &
!200,400,display_bar)

i4=winio@('%aw%ww[no_border]%ca[Simulation]%pv%`^gr[black,user_resize]', &
main_window, 800,800, simulation, empty )


! Desenha no painel de controle
rslt=select_graphics_object@(control_panel)
call draw_filled_ellipse@(100,100,80,80,rgb@(127,59,30))

! Desenha na barra de cores
rslt=select_graphics_object@(display_bar)
call draw_filled_rectangle@(2,2,398,398,rgb@(255,255,30))

! Desenha na área de simulação
rslt=select_graphics_object@(simulation)
call draw_filled_rectangle@(10,10,200,200,rgb@(30,255,30))
call draw_filled_rectangle@(100,50,120,60,rgb@(255,0,30))
call draw_filled_rectangle@(400,400,600,5000,rgb@(30,0,255))

!... Text window
Print*, 'This is Text window'

end program test_mdi1


!....................................
integer function empty ()
empty=2
end function
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rudnei



Joined: 29 Dec 2011
Posts: 31

PostPosted: Mon Apr 16, 2018 7:03 pm    Post subject: Reply with quote

Thanks for your help!
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