def miscaleneousRenderersWindow(self): """ Popup window for other Renderers and general options""" popupBtnMiscRenderers = PopupButton(self.window, "Misc") popupBtnMiscRenderers.setFontSize(16) popupMiscRenderers = popupBtnMiscRenderers.popup() popupMiscRenderers.setLayout(GroupLayout()) Label(popupMiscRenderers, "Miscaleneous Renderers", "sans-bold") def cb(state): self.pw.gl_canvas.coordinate.switch() self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupMiscRenderers, "Coordinates", cb) chb.setChecked(self.pw.gl_canvas.coordinate.show) def cb(state): print("Not implemented!") chb = CheckBox(popupMiscRenderers, "ArrowsSphere", cb) def cb(state): self.pw.gl_canvas.bounding_box.switch() self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupMiscRenderers, "Bounding Box", cb) chb.setChecked(self.pw.gl_canvas.bounding_box.show)
def cubesRendererWindow(self): """ Popup window for Cubes Renderer control and options""" popupBtnCubesRenderer = PopupButton(self.window, "Cubes") popupBtnCubesRenderer.setFontSize(16) popupCubesRenderer = popupBtnCubesRenderer.popup() popupCubesRenderer.setLayout(GroupLayout()) Label(popupCubesRenderer, "Cubes Renderer Options", "sans-bold") def cb(state): # self.pw.gl_canvas.switchCubesRenderer() self.pw.gl_canvas.cubes.switch() # self.pw.gl_canvas.setCubesSize(sliderCubeSize.value()) self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value()) self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupCubesRenderer, "Cubes", cb) def cb(state): # self.pw.gl_canvas.setCubesSize(sliderCubeSize.value()) self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value()) self.pw.gl_canvas.updateRenderers() sliderCubeSize = Slider(popupCubesRenderer) sliderCubeSize.setValue(0.25) sliderCubeSize.setRange((0, 0.5)) sliderCubeSize.setFixedWidth(120) sliderCubeSize.setCallback(cb)
def neighborsRendererWindow(self): """ Popup window for Neighbors Renderer control and options""" popupBtnNeighborsRenderer = PopupButton(self.window, "Neighbors") popupBtnNeighborsRenderer.setFontSize(16) popupNeighborsRenderer = popupBtnNeighborsRenderer.popup() popupNeighborsRenderer.setLayout(GroupLayout()) Label(popupNeighborsRenderer, "Neighbors Renderer Options", "sans-bold") def switch_cb(state): self.pw.gl_canvas.neighbors.switch(intBox.value() - 1) self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupNeighborsRenderer, "Neighbors", switch_cb) intBox = IntBox(popupNeighborsRenderer) intBox.setEditable(True) intBox.setFixedSize((150, 20)) intBox.setUnits("spin index") intBox.setValue(1) intBox.setDefaultValue("1") intBox.setFontSize(16) intBox.setFormat("[1-9][0-9]*") intBox.setSpinnable(True) intBox.setMinValue(1) intBox.setValueIncrement(1) def update_cb(state): self.pw.gl_canvas.neighbors.setIndex(intBox.value() - 1) self.pw.gl_canvas.updateRenderers() intBox.setCallback(update_cb)
def arrowsRendererWindow(self): """ Popup window for Arrows Renderer control and options""" popupBtnArrowsRenderer = PopupButton(self.window, "Arrows") popupBtnArrowsRenderer.setFontSize(16) popupArrowsRenderer = popupBtnArrowsRenderer.popup() popupArrowsRenderer.setLayout(GroupLayout()) Label(popupArrowsRenderer, "Arrows Renderer Options", "sans-bold") def cb(state): self.pw.gl_canvas.arrows.switch() self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupArrowsRenderer, "Arrows", cb) chb.setChecked(self.pw.gl_canvas.arrows.show)
def dotsRenderWindow(self): """ Popup window for Dots Renderer control and options""" popupBtnDotRenderer = PopupButton(self.window, "Dots") popupBtnDotRenderer.setFontSize(16) popupDotRenderer = popupBtnDotRenderer.popup() popupDotRenderer.setLayout(GroupLayout()) Label(popupDotRenderer, "Dot Renderer Options", "sans-bold") def cb(state): self.pw.gl_canvas.dots.switch(comboDotStyle.selectedIndex()) self.pw.gl_canvas.dots.setSize(sliderDotRadius.value()) self.pw.gl_canvas.updateRenderers() chb = CheckBox(popupDotRenderer, "Dot", cb) def cb(state): self.pw.gl_canvas.dots.setSize(sliderDotRadius.value()) self.pw.gl_canvas.updateRenderers() sliderDotRadius = Slider(popupDotRenderer) sliderDotRadius.setRange([0, 1000]) sliderDotRadius.setValue(500) sliderDotRadius.setFixedWidth(120) sliderDotRadius.setCallback(cb) Label(popupDotRenderer, "Dot style") comboDotStyle = ComboBox(popupDotRenderer, self.pw.gl_canvas.dots.getStyles()) def cb(state): self.pw.gl_canvas.dots.setStyle(comboDotStyle.selectedIndex()) comboDotStyle.setCallback(cb) comboDotStyle.setFontSize(16) comboDotStyle.setFixedSize((100, 20))
def __init__(self): super(TestApp, self).__init__((1024, 768), "NanoGUI Test") window = Window(self, "Button demo") window.setPosition((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((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: try: icons = nanogui.loadImageDirectory(self.nvgContext(), "../icons") except: icons = nanogui.loadImageDirectory(self.nvgContext(), "../resources/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((245, 150)) img_window = Window(self, "Selected image") img_window.setPosition((710, 15)) img_window.setLayout(GroupLayout()) imgView = ImageView(img_window, icons[0][0]) def cb(i): print("Selected item %i" % i) imgView.bindImage(icons[i][0]) imgPanel.setCallback(cb) imgView.setGridThreshold(3) 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((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((425, 15)) window.setLayout(GroupLayout()) tabWidget = TabWidget(window) layer = tabWidget.createTab("Color Wheel") layer.setLayout(GroupLayout()) Label(layer, "Color wheel widget", "sans-bold") ColorWheel(layer) layer = tabWidget.createTab("Function Graph") layer.setLayout(GroupLayout()) Label(layer, "Function graph widget", "sans-bold") graph = Graph(layer, "Some function") graph.setHeader("E = 2.35e-3") graph.setFooter("Iteration 89") values = [0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1) for i in range(100)] graph.setValues(values) tabWidget.setActiveTab(0) window = Window(self, "Grid of small widgets") window.setPosition((425, 300)) 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((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 = IntBox(window) intBox.setEditable(True) intBox.setFixedSize((100, 20)) intBox.setValue(50) intBox.setUnits("Mhz") intBox.setDefaultValue("0") intBox.setFontSize(16) intBox.setFormat("[1-9][0-9]*") intBox.setSpinnable(True) intBox.setMinValue(1) intBox.setValueIncrement(2) 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((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((100, 20)) popup = popupBtn.popup() popup.setLayout(GroupLayout()) colorwheel = ColorWheel(popup) colorwheel.setColor(popupBtn.backgroundColor()) colorBtn = Button(popup, "Pick") colorBtn.setFixedSize((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() try: import numpy as np self.shader = GLShader() self.shader.init( # An identifying name "a_simple_shader", # Vertex shader """#version 330 uniform mat4 modelViewProj; in vec3 position; void main() { gl_Position = modelViewProj * vec4(position, 1.0); }""", """#version 330 out vec4 color; uniform float intensity; void main() { color = vec4(vec3(intensity), 1.0); }""" ) # Draw 2 triangles indices = np.array( [[0, 2], [1, 3], [2, 0]], dtype=np.int32) positions = np.array( [[-1, 1, 1, -1], [-1, -1, 1, 1], [0, 0, 0, 0]], dtype=np.float32) self.shader.bind() self.shader.uploadIndices(indices) self.shader.uploadAttrib("position", positions) self.shader.setUniform("intensity", 0.5) except ImportError: self.shader = None pass
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()
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)
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 __init__(self): super(TestApp, self).__init__((1024, 768), "NanoGUI Test") window = Window(self, "Button demo") window.setPosition((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((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: try: icons = nanogui.loadImageDirectory(self.nvgContext(), "../icons") except: icons = nanogui.loadImageDirectory(self.nvgContext(), "../resources/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((245, 150)) img_window = Window(self, "Selected image") img_window.setPosition((710, 15)) img_window.setLayout(GroupLayout()) imgView = ImageView(img_window, icons[0][0]) def cb(i): print("Selected item %i" % i) imgView.bindImage(icons[i][0]) imgPanel.setCallback(cb) imgView.setGridThreshold(3) 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((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((425, 15)) window.setLayout(GroupLayout()) tabWidget = TabWidget(window) layer = tabWidget.createTab("Color Wheel") layer.setLayout(GroupLayout()) Label(layer, "Color wheel widget", "sans-bold") ColorWheel(layer) layer = tabWidget.createTab("Function Graph") layer.setLayout(GroupLayout()) Label(layer, "Function graph widget", "sans-bold") graph = Graph(layer, "Some function") graph.setHeader("E = 2.35e-3") graph.setFooter("Iteration 89") values = [ 0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1) for i in range(100) ] graph.setValues(values) tabWidget.setActiveTab(0) window = Window(self, "Grid of small widgets") window.setPosition((425, 300)) 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((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 = IntBox(window) intBox.setEditable(True) intBox.setFixedSize((100, 20)) intBox.setValue(50) intBox.setUnits("Mhz") intBox.setDefaultValue("0") intBox.setFontSize(16) intBox.setFormat("[1-9][0-9]*") intBox.setSpinnable(True) intBox.setMinValue(1) intBox.setValueIncrement(2) 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((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((100, 20)) popup = popupBtn.popup() popup.setLayout(GroupLayout()) colorwheel = ColorWheel(popup) colorwheel.setColor(popupBtn.backgroundColor()) colorBtn = Button(popup, "Pick") colorBtn.setFixedSize((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() try: import numpy as np self.shader = GLShader() self.shader.init( # An identifying name "a_simple_shader", # Vertex shader """#version 330 uniform mat4 modelViewProj; in vec3 position; void main() { gl_Position = modelViewProj * vec4(position, 1.0); }""", """#version 330 out vec4 color; uniform float intensity; void main() { color = vec4(vec3(intensity), 1.0); }""") # Draw 2 triangles indices = np.array([[0, 2], [1, 3], [2, 0]], dtype=np.int32) positions = np.array( [[-1, 1, 1, -1], [-1, -1, 1, 1], [0, 0, 0, 0]], dtype=np.float32) self.shader.bind() self.shader.uploadIndices(indices) self.shader.uploadAttrib("position", positions) self.shader.setUniform("intensity", 0.5) except ImportError: self.shader = None pass