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[1445] Simple window in KolibriOS - posted: 2015-01-09 23:09:50
The latest Ziron linker plugin supports KolibriOS executables. A sample app (code provided by 0CodErr)

Code:
program KOLIBRI32 'sample';
 
#include 'kolibrios.zir';
                
const MY_WIN_STYLE = WS_CAPTION or WS_COORD_CLIENT or WS_SKINNED_SIZABLE or WS_FILL_GRADIENT or 0x00C00DEE;                  
const MY_EVENT_MASK = EM_REDRAW or EM_BUTTON;                  

dword Width,Height,Left,Top;
  
SetEventMask(MY_EVENT_MASK);
  
// calculate left, top, width, height:
edx = GetScreenSize();
edx >> 17;
and eax, 0xFFFF;
eax >> 1;
Height = eax;
eax >> 1;
Top  = eax;  
Width  = edx;
edx >> 1;
Left = edx;

repeat {
  RedrawStart();
  DrawWindow(Left, Width, Top, Height, MY_WIN_STYLE, 'Hello from Ziron :)');  
  RedrawFinish();
  
  eax = WaitEvent();
} until (eax != 1);
  
ThreadTerminate();




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0CodErr
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[1456] - posted: 2015-01-14 15:27:22
Currently in 'kolibrios\\macros.zir' macro "DrawWindow" expects 7 params. But in this example only 6. Need update i think.
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[1457] - posted: 2015-01-14 16:23:19
Yes, latest release I added the additional parameter you suggested in PM.

update line:

Code:
  DrawWindow(Left, Width, Top, Height, MY_WIN_STYLE, 'Hello from Ziron :)'); 


to

Code:
  DrawWindow(Left, Width, Top, Height, MY_WIN_STYLE, 'Hello from Ziron :)', CAPTION_MOVABLE); 


The kolibrios include was just a test, I will need to look at the API guide for kolibri to start writing full include files.

Just a quick question, in Kolibri, which registered are treated as volatile? (Which need to be protected on function calls etc)

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0CodErr
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[1459] - posted: 2015-01-14 16:33:46
Just a quick question, in Kolibri, which registered are treated as volatile? (Which need to be protected on function calls etc)
Emm.. did you mean calling convention?
As written in http://websvn.kolibrios.org/filedetails.php?repname=Kolibri+OS&path=%2Fkernel%2Ftrunk%2Fdocs%2Fsysfuncs.txt:
Number of the function is located in the register eax.
The call of the system function is executed by "int 0x40" command.
All registers except explicitly declared in the returned value,
including eflags, are preserved.
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