def __init__(self): super(TestApp, self).__init__(Vector2i(1024, 768), "NanoGUI Test") window = Window(self, "Button demo") window.setPosition(Vector2i(15, 15)) window.setLayout(GroupLayout()) Label(window, "Push buttons", "sans-bold") b = Button(window, "Plain button") def cb(): print("pushed!") b.setCallback(cb) b = Button(window, "Styled", entypo.ICON_ROCKET) b.setBackgroundColor(Color(0, 0, 1.0, 0.1)) b.setCallback(cb) Label(window, "Toggle buttons", "sans-bold") b = Button(window, "Toggle me") b.setFlags(Button.Flags.ToggleButton) def change_cb(state): print("Toggle button state: %s" % str(state)) b.setChangeCallback(change_cb) Label(window, "Radio buttons", "sans-bold") b = Button(window, "Radio button 1") b.setFlags(Button.Flags.RadioButton) b = Button(window, "Radio button 2") b.setFlags(Button.Flags.RadioButton) Label(window, "A tool palette", "sans-bold") tools = Widget(window) tools.setLayout( BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6)) ToolButton(tools, entypo.ICON_CLOUD) ToolButton(tools, entypo.ICON_FF) ToolButton(tools, entypo.ICON_COMPASS) ToolButton(tools, entypo.ICON_INSTALL) Label(window, "Popup buttons", "sans-bold") popupBtn = PopupButton(window, "Popup", entypo.ICON_EXPORT) popup = popupBtn.popup() popup.setLayout(GroupLayout()) Label(popup, "Arbitrary widgets can be placed here") CheckBox(popup, "A check box") popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH) popup = popupBtn.popup() popup.setLayout(GroupLayout()) CheckBox(popup, "Another check box") window = Window(self, "Basic widgets") window.setPosition(Vector2i(200, 15)) window.setLayout(GroupLayout()) Label(window, "Message dialog", "sans-bold") tools = Widget(window) tools.setLayout( BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6)) def cb2(result): print("Dialog result: %i" % result) b = Button(tools, "Info") def cb(): dlg = MessageDialog(self, MessageDialog.Type.Information, "Title", "This is an information message") dlg.setCallback(cb2) b.setCallback(cb) b = Button(tools, "Warn") def cb(): dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title", "This is a warning message") dlg.setCallback(cb2) b.setCallback(cb) b = Button(tools, "Ask") def cb(): dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title", "This is a question message", "Yes", "No", True) dlg.setCallback(cb2) b.setCallback(cb) import os import sys os.chdir(sys.path[0]) try: icons = nanogui.loadImageDirectory(self.nvgContext(), "icons") except: icons = nanogui.loadImageDirectory(self.nvgContext(), "../icons") Label(window, "Image panel & scroll panel", "sans-bold") imagePanelBtn = PopupButton(window, "Image Panel") imagePanelBtn.setIcon(entypo.ICON_FOLDER) popup = imagePanelBtn.popup() vscroll = VScrollPanel(popup) imgPanel = ImagePanel(vscroll) imgPanel.setImages(icons) popup.setFixedSize(Vector2i(245, 150)) img_window = Window(self, "Selected image") img_window.setPosition(Vector2i(675, 15)) img_window.setLayout(GroupLayout()) img = ImageView(img_window) img.setPolicy(ImageView.SizePolicy.Expand) img.setFixedSize(Vector2i(300, 300)) img.setImage(icons[0][0]) def cb(i): print("Selected item %i" % i) img.setImage(icons[i][0]) imgPanel.setCallback(cb) def cb(s): if s: img.setPolicy(ImageView.SizePolicy.Expand) else: img.setPolicy(ImageView.SizePolicy.Fixed) img_cb = CheckBox(img_window, "Expand", cb) img_cb.setChecked(True) Label(window, "File dialog", "sans-bold") tools = Widget(window) tools.setLayout( BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6)) b = Button(tools, "Open") valid = [("png", "Portable Network Graphics"), ("txt", "Text file")] def cb(): result = nanogui.file_dialog(valid, False) print("File dialog result = %s" % result) b.setCallback(cb) b = Button(tools, "Save") def cb(): result = nanogui.file_dialog(valid, True) print("File dialog result = %s" % result) b.setCallback(cb) Label(window, "Combo box", "sans-bold") ComboBox(window, ["Combo box item 1", "Combo box item 2", "Combo box item 3"]) Label(window, "Check box", "sans-bold") def cb(state): print("Check box 1 state: %s" % state) chb = CheckBox(window, "Flag 1", cb) chb.setChecked(True) def cb(state): print("Check box 2 state: %s" % state) CheckBox(window, "Flag 2", cb) Label(window, "Progress bar", "sans-bold") self.progress = ProgressBar(window) Label(window, "Slider and text box", "sans-bold") panel = Widget(window) panel.setLayout( BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20)) slider = Slider(panel) slider.setValue(0.5) slider.setFixedWidth(80) textBox = TextBox(panel) textBox.setFixedSize(Vector2i(60, 25)) textBox.setValue("50") textBox.setUnits("%") textBox.setFontSize(20) textBox.setAlignment(TextBox.Alignment.Right) def cb(value): textBox.setValue("%i" % int(value * 100)) slider.setCallback(cb) def cb(value): print("Final slider value: %i" % int(value * 100)) slider.setFinalCallback(cb) window = Window(self, "Misc. widgets") window.setPosition(Vector2i(425, 15)) window.setLayout(GroupLayout()) Label(window, "Color wheel", "sans-bold") ColorWheel(window) Label(window, "Function graph", "sans-bold") graph = Graph(window, "Some function") graph.setHeader("E = 2.35e-3") graph.setFooter("Iteration 89") values = VectorXf(100) for i in range(100): values[i] = 0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1) graph.setValues(values) window = Window(self, "Grid of small widgets") window.setPosition(Vector2i(425, 288)) layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5) layout.setColAlignment([Alignment.Maximum, Alignment.Fill]) layout.setSpacing(0, 10) window.setLayout(layout) Label(window, "Floating point :", "sans-bold") floatBox = TextBox(window) floatBox.setEditable(True) floatBox.setFixedSize(Vector2i(100, 20)) floatBox.setValue("50") floatBox.setUnits("GiB") floatBox.setDefaultValue("0.0") floatBox.setFontSize(16) floatBox.setFormat("[-]?[0-9]*\\.?[0-9]+") Label(window, "Positive integer :", "sans-bold") intBox = TextBox(window) intBox.setEditable(True) intBox.setFixedSize(Vector2i(100, 20)) intBox.setValue("50") intBox.setUnits("Mhz") intBox.setDefaultValue("0.0") intBox.setFontSize(16) intBox.setFormat("[1-9][0-9]*") Label(window, "Checkbox :", "sans-bold") cb = CheckBox(window, "Check me") cb.setFontSize(16) cb.setChecked(True) Label(window, "Combo box :", "sans-bold") cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"]) cobo.setFontSize(16) cobo.setFixedSize(Vector2i(100, 20)) Label(window, "Color button :", "sans-bold") popupBtn = PopupButton(window, "", 0) popupBtn.setBackgroundColor(Color(1, 0.47, 0, 1)) popupBtn.setFontSize(16) popupBtn.setFixedSize(Vector2i(100, 20)) popup = popupBtn.popup() popup.setLayout(GroupLayout()) colorwheel = ColorWheel(popup) colorwheel.setColor(popupBtn.backgroundColor()) colorBtn = Button(popup, "Pick") colorBtn.setFixedSize(Vector2i(100, 25)) c = colorwheel.color() colorBtn.setBackgroundColor(c) def cb(value): colorBtn.setBackgroundColor(value) colorwheel.setCallback(cb) def cb(pushed): if (pushed): popupBtn.setBackgroundColor(colorBtn.backgroundColor()) popupBtn.setPushed(False) colorBtn.setChangeCallback(cb) self.performLayout()
def setter(value): globals()[name] = value def getter(): return globals()[name] return setter, getter nanogui.init() use_gl_4_1 = False # Set to True to create an OpenGL 4.1 context. if use_gl_4_1: # NanoGUI presents many options for you to utilize at your discretion. # See include/nanogui/screen.h for what all of the options are. screen = Screen(Vector2i(500, 700), "NanoGUI test [GL 4.1]", glMajor=4, glMinor=1) else: screen = Screen(Vector2i(500, 700), "NanoGUI test") gui = FormHelper(screen) window = gui.addWindow(Vector2i(10, 10), "Form helper example") gui.addGroup("Basic types") gui.addBoolVariable("bool", *make_accessors("bvar")) gui.addStringVariable("string", *make_accessors("strvar")) gui.addGroup("Validating fields") gui.addIntVariable("int", *make_accessors("ivar"))
def make_accessors(name): def setter(value): globals()[name] = value def getter(): return globals()[name] return setter, getter nanogui.init() use_gl_4_1 = False # Set to True to create an OpenGL 4.1 context. if use_gl_4_1: # NanoGUI presents many options for you to utilize at your discretion. # See include/nanogui/screen.h for what all of the options are. screen = Screen(Vector2i(500, 700), "NanoGUI test [GL 4.1]", glMajor=4, glMinor=1) else: screen = Screen(Vector2i(500, 700), "NanoGUI test") gui = FormHelper(screen) window = gui.addWindow(Vector2i(10, 10), "Form helper example") gui.addGroup("Basic types") gui.addBoolVariable("bool", *make_accessors("bvar")) gui.addStringVariable("string", *make_accessors("strvar")) gui.addGroup("Validating fields") gui.addIntVariable("int", *make_accessors("ivar")) gui.addDoubleVariable("double", *make_accessors("dvar")).setSpinnable(True) gui.addGroup("Complex types")