Exemplo n.º 1
0
func (g *GUI) Update(dt float64) int {
	// Update the mouse variables
	g.mouse.Pos()
	g.lPressed = input.NewKey(input.K_LBUTTON).Down()
	g.lReleased = input.NewKey(input.K_LBUTTON).Up()
	g.rPressed = input.NewKey(input.K_RBUTTON).Down()
	g.rReleased = input.NewKey(input.K_RBUTTON).Up()
	g.mouse.WheelMovement()

	// Update all controls
	for e := g.ctrls.Front(); e != nil; e = e.Next() {
		e.Value.(*GUIObject).Update(dt)
	}

	// Handle Enter/Leave
	if g.enterLeave > 0 {
		done := true
		for e := g.ctrls.Front(); e != nil; e = e.Next() {
			if !e.Value.(*GUIObject).IsDone() {
				done = false
				break
			}
		}
		if !done {
			return 0
		} else {
			if g.enterLeave == 1 {
				return -1
			} else {
				g.enterLeave = 0
			}
		}
	}

	// Handle keys
	key := input.GetKey()
	if ((g.navMode&GUI_LEFTRIGHT) == GUI_LEFTRIGHT && key == input.K_LEFT) ||
		((g.navMode&GUI_UPDOWN) == GUI_UPDOWN && key == input.K_UP) {
		ctrl := g.ctrlFocus
		if ctrl == nil {
			e := g.ctrls.Front()
			if e == nil {
				return 0
			}

			ctrl = e.Value.(*GUIObject)
			if ctrl == nil {
				return 0
			}
		}

		for e := elementById(ctrl.Id, g.ctrls).Prev(); ; e = e.Prev() {
			if e == nil && (g.navMode&GUI_CYCLED) == GUI_CYCLED || g.ctrlFocus == nil {
				ctrl = g.ctrls.Back().Value.(*GUIObject)
			} else {
				ctrl = e.Value.(*GUIObject)
			}

			if ctrl == g.ctrlFocus {
				break
			}

			if ctrl.Static == false || ctrl.Visible == true || ctrl.Enabled == true {
				break
			}
		}

		if ctrl != g.ctrlFocus {
			if g.ctrlFocus != nil {
				g.ctrlFocus.Focus(false)
			}
			if ctrl != nil {
				ctrl.Focus(true)
			}
			g.ctrlFocus = ctrl
		}
	} else if ((g.navMode&GUI_LEFTRIGHT) == GUI_LEFTRIGHT && key == input.K_RIGHT) ||
		((g.navMode&GUI_UPDOWN) == GUI_UPDOWN && key == input.K_DOWN) {
		ctrl := g.ctrlFocus
		if ctrl == nil {
			e := g.ctrls.Back()
			if e == nil {
				return 0
			}

			ctrl = e.Value.(*GUIObject)
			if ctrl == nil {
				return 0
			}
		}

		for e := elementById(ctrl.Id, g.ctrls).Next(); ; e = e.Next() {
			if e == nil && (g.navMode&GUI_CYCLED) == GUI_CYCLED || g.ctrlFocus == nil {
				ctrl = g.ctrls.Front().Value.(*GUIObject)
			} else {
				ctrl = e.Value.(*GUIObject)
			}

			if ctrl == g.ctrlFocus {
				break
			}

			if ctrl.Static == false || ctrl.Visible == true || ctrl.Enabled == true {
				break
			}
		}

		if ctrl != g.ctrlFocus {
			if g.ctrlFocus != nil {
				g.ctrlFocus.Focus(false)
			}
			if ctrl != nil {
				ctrl.Focus(true)
			}
			g.ctrlFocus = ctrl
		}
	} else if g.ctrlFocus != nil && key > 0 && key != input.K_LBUTTON && key != input.K_RBUTTON {
		if g.ctrlFocus.KeyClick(key, input.GetChar()) {
			return g.ctrlFocus.Id
		}
	}

	// Handle mouse
	lDown := input.NewKey(input.K_LBUTTON).State()
	rDown := input.NewKey(input.K_RBUTTON).State()

	if g.ctrlLock != nil {
		ctrl := g.ctrlLock
		if !lDown && !rDown {
			g.ctrlLock = nil
		}
		if g.process(ctrl) {
			return ctrl.Id
		}
	} else {
		for e := g.ctrls.Front(); e != nil; e = e.Next() {
			ctrl := e.Value.(*GUIObject)
			if ctrl.Rect.TestPoint(g.mouse.X, g.mouse.Y) && ctrl.Enabled {
				if g.ctrlOver != ctrl {
					if g.ctrlOver != nil {
						g.ctrlOver.MouseOver(false)
					}

					ctrl.MouseOver(true)
					g.ctrlOver = ctrl
				}

				if g.process(ctrl) {
					return ctrl.Id
				} else {
					return 0
				}
			}
		}

		if g.ctrlOver != nil {
			g.ctrlOver.MouseOver(false)
			g.ctrlOver = nil
		}

	}

	return 0
}
Exemplo n.º 2
0
func (h *HGE) Input_GetChar() int {
	return input.GetChar()
}