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Oberon Text | 1995-06-30 | 3.3 KB | 92 lines | [TEXT/.Ob4] |
- Syntax10.Scn.Fnt
- Syntax10i.Scn.Fnt
- StampElems
- Alloc
- 23 Dec 94
- Syntax10b.Scn.Fnt
- MODULE DialogRectangles;
- (** Markus Knasm
- ller 29 Aug 94 -
- IMPORT DialogFrames, Dialogs, DialogTexts, Display, Display1, GraphicUtils, In, Input, Oberon, Printer, TextFrames, Texts, Viewers;
- CONST MM = 1; W* = 30; H* = 20; black = 15;
- TYPE
- Item* = POINTER TO ItemDesc;
- ItemDesc* = RECORD (Dialogs.ObjectDesc)
- END;
- PROCEDURE (r: Item) Draw* (x, y: INTEGER; f: Display.Frame);
- (** displays the object at (x, y) in frame f *)
- VAR mode, w, h, bx, by: INTEGER;
- BEGIN
- r.GetDim (bx, by, w, h); DEC (w); DEC (h);
- IF r.selected THEN mode := Display.invert ELSE mode := Display.replace END;
- Display1.Line (f, black, x, y, x + w, y, mode); Display1.Line (f, black, x, y, x, y + h, mode);
- Display1.Line (f, black, x + w, y, x + w, y + h, mode); Display1.Line (f, black, x, y + h, x + w, y + h, mode);
- END Draw;
- PROCEDURE (r: Item) Print* (x, y: INTEGER);
- (** prints the object at printer coordinates (x, y) *)
- VAR w, h, bx, by: INTEGER;
- BEGIN
- r.GetPDim (bx, by, w, h);
- GraphicUtils.PrintBox (x, y, w, h);
- END Print;
- PROCEDURE (r: 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;
- r.Copy^ (dup);
- END Copy;
- PROCEDURE (r: Item) Track (x, y: INTEGER; keys: SET; f: Display.Frame; p: Dialogs.Panel);
- VAR keysum: SET; t: Texts.Text;
- BEGIN
- IF keys = {MM} THEN
- keysum := keys;
- REPEAT
- Input.Mouse(keys, x, y); keysum := keysum + keys;
- Oberon.DrawCursor(Oberon.Mouse, Oberon.Arrow, x, y)
- UNTIL keys = {};
- IF keysum = {MM} THEN
- IF r.cmd[0] # 0X THEN
- DialogTexts.GetParText (r.par, r.panel, t);
- r.CallCmd (f, Viewers.This (x, y), t)
- END
- END
- ELSE Oberon.DrawCursor(Oberon.Mouse, Oberon.Arrow, x, y)
- END
- END Track;
- PROCEDURE (r: Item) Handle* (f: Display.Frame; VAR m: Display.FrameMsg);
- (** handles messages which were sent to frame f *)
- BEGIN
- r.Handle^ (f, m);
- WITH f: DialogFrames.Frame DO
- WITH m: Oberon.InputMsg DO
- IF m.id = Oberon.track THEN r.Track (m.X, m.Y, m.keys, f, f.panel) END
- ELSE
- END
- ELSE
- END
- END Handle;
- PROCEDURE Insert*;
- (** Insert ([name] [x y w h] | ^ ) inserts a circle - 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);
- 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, TRUE)
- ELSE
- Dialogs.res := Dialogs.noPanelSelected
- END;
- IF Dialogs.res # 0 THEN Dialogs.Error ("DialogRectangles") END;
- END Insert;
- END DialogRectangles.
-