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Intuition
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Screens.i
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1990-08-28
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{
Screens.i for PCQ Pascal
}
{$I "Include:Graphics/Gfx.i"}
{$I "Include:Graphics/Clip.i"}
{$I "Include:Graphics/View.i"}
{$I "Include:Graphics/RastPort.i"}
{$I "Include:Graphics/Layers.i"}
{$I "Include:Graphics/Text.i"}
{ ======================================================================== }
{ === Screen ============================================================= }
{ ======================================================================== }
Type
Screen = record
NextScreen : ^Screen; { linked list of screens }
FirstWindow : Address; { linked list Screen's Windows }
LeftEdge,
TopEdge : Short; { parameters of the screen }
Width,
Height : Short; { parameters of the screen }
MouseY,
MouseX : Short; { position relative to upper-left }
Flags : Short; { see definitions below }
Title : String; { null-terminated Title text }
DefaultTitle : String; { for Windows without ScreenTitle }
{ Bar sizes for this Screen and all Window's in this Screen }
BarHeight,
BarVBorder,
BarHBorder,
MenuVBorder,
MenuHBorder : Byte;
WBorTop,
WBorLeft,
WBorRight,
WBorBottom : Byte;
Font : TextAttrPtr; { this screen's default font }
{ the display data structures for this Screen (note the prefix S)}
SViewPort : ViewPort; { describing the Screen's display }
SRastPort : RastPort; { describing Screen rendering }
SBitMap : BitMap; { extra copy of RastPort BitMap }
LayerInfo : Layer_Info; { each screen gets a LayerInfo }
{ You supply a linked-list of Gadgets for your Screen.
* This list DOES NOT include system Gadgets. You get the standard
* system Screen Gadgets by default
}
FirstGadget : Address;
DetailPen,
BlockPen : Byte; { for bar/border/gadget rendering }
{ the following variable(s) are maintained by Intuition to support the
* DisplayBeep() color flashing technique
}
SaveColor0 : Short;
{ This layer is for the Screen and Menu bars }
BarLayer : LayerPtr;
ExtData : Address;
UserData : Address;
{ general-purpose pointer to User data extension }
end;
ScreenPtr = ^Screen;
Const
{ The screen flags have the suffix "_f" added to avoid conflicts with
routine names. }
{ --- FLAGS SET BY INTUITION --------------------------------------------- }
{ The SCREENTYPE bits are reserved for describing various Screen types
* available under Intuition.
}
SCREENTYPE_f = $000F; { all the screens types available }
{ --- the definitions for the Screen Type ------------------------------- }
WBENCHSCREEN_f = $0001; { Ta Da! The Workbench }
CUSTOMSCREEN_f = $000F; { for that special look }
SHOWTITLE_f = $0010; { this gets set by a call to ShowTitle() }
BEEPING_f = $0020; { set when Screen is beeping }
CUSTOMBITMAP_f = $0040; { if you are supplying your own BitMap }
SCREENBEHIND_f = $0080; { if you want your screen to open behind
* already open screens
}
SCREENQUIET_f = $0100; { if you do not want Intuition to render
* into your screen (gadgets, title)
}
STDSCREENHEIGHT = -1; { supply in NewScreen.Height }
{ ======================================================================== }
{ === NewScreen ========================================================== }
{ ======================================================================== }
Type
NewScreen = record
LeftEdge,
TopEdge,
Width,
Height,
Depth : Short; { screen dimensions }
DetailPen,
BlockPen : Byte; { for bar/border/gadget rendering }
ViewModes : Short; { the Modes for the ViewPort (and View) }
SType : Short; { the Screen type (see defines above) }
Font : TextAttrPtr; { this Screen's default text attributes }
DefaultTitle : String; { the default title for this Screen }
Gadgets : Address; { your own Gadgets for this Screen }
{ if you are opening a CUSTOMSCREEN and already have a BitMap
* that you want used for your Screen, you set the flags CUSTOMBITMAP in
* the Type field and you set this variable to point to your BitMap
* structure. The structure will be copied into your Screen structure,
* after which you may discard your own BitMap if you want
}
CustomBitMap : BitMapPtr;
end;
NewScreenPtr = ^NewScreen;