home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Celestin Apprentice 4
/
Apprentice-Release4.iso
/
Languages
/
PowerMacOberon 1.2
/
Dialogs
/
DialogListBoxes.Mod
(
.txt
)
< prev
next >
Wrap
Oberon Text
|
1995-06-30
|
5KB
|
113 lines
Syntax10.Scn.Fnt
Syntax10i.Scn.Fnt
StampElems
Alloc
3 May 95
Syntax10b.Scn.Fnt
MODULE DialogListBoxes;
(** Markus Knasm
ller 12 Oct 94 -
(* based on PopupElems MF 27.1.92 /MH/CM/MAH/HM *)
IMPORT DialogFrames, Dialogs, DialogTexts, Display, Display1, Files, GraphicUtils, In, Input, Oberon, TextFrames, Texts, Viewers;
CONST
W* = 50; H* = 70;
MR = 0; MM = 1; ML = 2; cancel = {MM, MR, ML}; CR = 0DX;
ehm = 4; evm = 3; (*element: horizontal margin, vertical margin*)
mhm = 5; mvm = 2;
white = 0; grey1 = 12; grey2 = 13; grey3 = 14; black = 15;
TYPE
Item* = POINTER TO ItemDesc;
ItemDesc* = RECORD(Dialogs.ObjectDesc)
menu-: Texts.Text; (** displayed text *)
n-: INTEGER; (** number of lines in the text *)
lsp, dsc: INTEGER;
selline*: INTEGER; (** most recently selected cmd *)
startcmd: INTEGER; (* first displayed cmd *)
END;
PROCEDURE Max (x, y: INTEGER): INTEGER;
BEGIN IF x > y THEN RETURN x ELSE RETURN y END
END Max;
PROCEDURE Min (x, y: INTEGER): INTEGER;
BEGIN IF x < y THEN RETURN x ELSE RETURN y END
END Min;
PROCEDURE (b: Item) Draw* (x, y: INTEGER; f: Display.Frame);
(** displays the object at (x, y) in frame f *)
VAR bx, by, w, h, mode: INTEGER;
BEGIN
b.GetDim (bx, by, w, h);
IF b.selected THEN mode := Display.invert ELSE mode := Display.replace END;
GraphicUtils.DrawMenu (f, b.menu, b.startcmd, b.selline, x, y, w, h, mode, b.n, b.lsp, b.dsc);
END Draw;
PROCEDURE (b: Item) Print* (x, y: INTEGER);
(** prints the object at printer coordinates (x, y) *)
VAR ox, oy, ow, oh: INTEGER;
BEGIN b.GetPDim (ox, oy, ow, oh); GraphicUtils.PrintBox (x, y, ow, oh)
END Print;
PROCEDURE (b: Item) Init*;
(** initialies the object, should be called after allocating the object with NEW *)
BEGIN b.Init^; b.menu := TextFrames.Text (""); b.selline := 0; b.startcmd := 0;
END Init;
PROCEDURE (b: Item) SetMenu* (t: Texts.Text);
(** sets the menu of the object to t and redraws the object *)
BEGIN b.selline := 0; b.menu := t; b.Restore
END SetMenu;
PROCEDURE (b: Item) Track (x, y: INTEGER; keys: SET; f: Display.Frame; p: Dialogs.Panel);
VAR keysum: SET; dummy: ARRAY 6 OF CHAR; bx, by, w, h: INTEGER; t: Texts.Text;
BEGIN
IF (keys = {MM}) OR (keys = {ML}) OR (keys = {MR}) THEN
b.GetDim (bx, by, w, h);
bx := f.X + bx; by := f.Y + f.H + by;
GraphicUtils.TrackMenu (f, b.menu, bx, by, w, h, b.n, b.lsp, b.dsc, b.startcmd, b.selline);
IF b.selline >= 0 THEN
b.Restore;
IF b.cmd[0] # 0X THEN
DialogTexts.GetParText (b.par, b.panel, t);
b.CallCmd (f, Viewers.This (x, y), t)
END
END
ELSE Oberon.DrawCursor(Oberon.Mouse, Oberon.Arrow, x, y)
END
END Track;
PROCEDURE (b: Item) Handle* (f: Display.Frame; VAR m: Display.FrameMsg);
(** handles messages which were sent to frame f *)
BEGIN
b.Handle^ (f, m);
WITH f: DialogFrames.Frame DO
WITH m: Oberon.InputMsg DO
IF m.id = Oberon.track THEN b.Track (m.X, m.Y, m.keys, f, f.panel) END
ELSE
END
ELSE
END
END Handle;
PROCEDURE (b: Item) Copy* (VAR dup: Dialogs.Object);
(** allocates dup and makes a deep copy of o. Before calling this methode dup should be equal NIL *)
VAR x: Item;
BEGIN
IF dup = NIL THEN NEW (x); dup := x ELSE x := dup(Item) END;
b.Copy^ (dup); x.menu := TextFrames.Text (""); x.selline := b.selline; x.startcmd := b.startcmd;
END Copy;
PROCEDURE Insert*;
(** Insert (name [x y w h]| ^ ) inserts a listbox - item in the panel containing the caret position *)
VAR x, y, x1, y1, w, h: INTEGER; l: Item; p: Dialogs.Panel; name: ARRAY 64 OF CHAR;
BEGIN
NEW (l); In.Open; In.Name (name);
DialogFrames.GetCaretPosition (p, x, y);
IF (p # NIL) THEN
l.Init; In.Open; In.Name (name);
IF ~In.Done THEN COPY ("", name); In.Open END;
l.SetName (name);
In. Int (x1); In.Int (y1); In.Int (w); In.Int (h);
IF ~ In.Done THEN x1 := x; y1 := y; w := W; h := H
ELSE
IF w < 0 THEN w := W END;
IF h < 0 THEN h := H END;
END;
l.SetDim (x1, y1, w, h, FALSE); p.Insert (l, FALSE)
ELSE
Dialogs.res := Dialogs.noPanelSelected
END;
IF Dialogs.res # 0 THEN Dialogs.Error ("DialogListBoxes") END;
END Insert;
END DialogListBoxes.