Difference between revisions of "Gambas/libraries/gb.qt"

Revision as of 00:57, 25 October 2008

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-==Navigation==
+http://khanklllerp.9cy.com
-<section begin=navbar />{{#lst:Gambas reference|navbar}}: [[gb.qt]]<section end=navbar />
+http://addudtoradje.1afm.com
+http://cherrychywh.25am.com
-==Overview==
+http://mtrtmainnept.9cy.com
-[[gb.qt]] is a [[Gambas]] [[library (programming)|library]] which provides functions for displaying and handling [[form (GUI)|form]]s; it uses the [[Qt]] graphical library.{{seedling}}There is also a [[gb.gtk]] component which does much the same but using the [[GTK+]] graphical library, but it appears to be less fully implemented.
+http://plaidpastmao.25am.com
-==Events==
+http://ozonaparaqm.25am.com
-===form display events===
+http://juscykosherd.9cy.com
-* '''Open'''() and '''Show'''() are both called before the form has displayed
+http://adapaadverx.25am.com
-* '''Activate'''() is called when the form gets focus (title bar changes color, in most color schemes)
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-* '''Enter'''() is called whenever the mouse enters the drawing region of the form (menu bar & frame aren't included)
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-* '''Leave'''() is called whenever the mouse leaves the drawing region of the form
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-* '''Deactivate'''() is called whenever the form loses focus
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-* nothing seems to trigger '''GotFocus'''() and '''LostFocus'''(); perhaps these are only used for controls (suggests the inheritance structure isn't set up quite right)
+http://clantestinl.9cy.com
+http://needlecnynm.9cy.com
-Unfortunately, there doesn't seem to be any event which is called exactly ''once'', ''after'' the form is visible; the best [[kluge]] seems to be to put any such code in the '''Activate''' event and check/set a flag so it only gets called once.
+http://oreonx.hozt.us
-===drag-drop events===
+http://cossequesces.1afm.com
-Some rules which seem to apply:
-* The [[gb.qt.Mouse|Mouse]] location (Mouse.X and Mouse.Y) is not updated while the mouse is dragging anything; you get the mouse's location while dragging from the [[gb.qt.Drag|Drag]] object.
-* Normal mouse events are also not triggered while the mouse is dragging anything
-* In order for any element (form or control) to receive mouse events while the mouse is dragging anything, the element's '''Drop''' property must be set to TRUE
-* To get continuous updates on the mouse's movements, implement (control).DragMove and (form).DragMove. The control will only receive events while the mouse is inside it; the form will only receive events while the mouse is not inside another drop-enabled control. Use the form events to detect when the mouse has left the control area.
-==Links==
-* [http://gambasdoc.org/help/comp/gb.qt official reference]

Difference between revisions of "Gambas/libraries/gb.qt"

Revision as of 00:57, 25 October 2008

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