PtWidgetToBack, PtWidgetToFront

Arguments

Returns

t if successful, otherwise nil.

Description

These functions move the widget, and any of its children, behind or in front of all of the other widgets that are inside the same container.

Example

This example, ex_PtWidgetToBack.g, is included in the gamma_ph_#_examples_1_QNX4.tgz file available on the Cogent Web Site.

#!/usr/cogent/bin/phgamma

/*
This example creates a window with three colored rectangles and three
buttons that move them to front and back.
*/

require_lisp("PhotonWidgets");
PtInit(nil);

win = new(PtWindow);
win.SetDim(300,200);

RectA = new(PtRect);
RectA.fill_color = PgRGB(255,0,0);
RectA.SetPos(140,45);
RectA.SetDim(100,80);

RectB = new(PtRect);
RectB.fill_color = PgRGB(0,150,120);
RectB.SetPos(70,60);
RectB.SetDim(80,70);

RectC = new(PtRect);
RectC.fill_color = PgRGB(0,30,220);
RectC.SetPos(110,20);
RectC.SetDim(90,90);

butA = new(PtButton);
butB = new(PtButton);
butC = new(PtButton);

butA.text_string = "Red";
butB.text_string = "Green";
butC.text_string = "Blue";

butA.SetPos(55,100);
butB.SetPos(115,100);
butC.SetPos(175,100);

Instructions = new(PtLabel);
Instructions.text_string = "Hold moves to front, release moves to back.";
Instructions.SetPos(10,150);

PtAttachCallback(butA, Pt_CB_ARM, #PtWidgetToFront(RectA));
PtAttachCallback(butB, Pt_CB_ARM, #PtWidgetToFront(RectB));
PtAttachCallback(butC, Pt_CB_ARM, #PtWidgetToFront(RectC));

PtAttachCallback(butA, Pt_CB_DISARM, #PtWidgetToBack(RectA));
PtAttachCallback(butB, Pt_CB_DISARM, #PtWidgetToBack(RectB));
PtAttachCallback(butC, Pt_CB_DISARM, #PtWidgetToBack(RectC));

PtRealizeWidget(win);
PtMainLoop();
		

See Also

PtRealizeWidget, PtUnrealizeWidget