def __init__(self, parent, image):
super(Slot, self).__init__(parent)
b = Button(parent, "")
b.setBackgroundColor(Color(0, 0.3, 0.2, 0.1))
b.setFixedSize((300, 50))
# slot = Widget(parent)
pass
def __init__(self, parent_window):
position = (5, 35)
super(FooWindow, self).__init__(parent_window, position)
# Buttons
Label(self.window, "Push buttons", "sans-bold")
b = Button(self.window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(self.window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
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__((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_CONTROLLER_FAST_FORWARD)
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")
# popup right
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupRight = popupBtn.popup()
popupRight.setLayout(GroupLayout())
CheckBox(popupRight, "Another check box")
# popup left
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupBtn.setSide(Popup.Side.Left)
popupLeft = popupBtn.popup()
popupLeft.setLayout(GroupLayout())
CheckBox(popupLeft, "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)
# Dummy tab used to represent the last tab button.
tabWidget.createTab("+")
def tab_cb(index):
if index == (tabWidget.tabCount() - 1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index * counter))
valuesDyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
tabWidget.setCallback(tab_cb)
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 picker :", "sans-bold")
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.setFixedSize((100, 20))
def cp_final_cb(color):
print("ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(
color.r, color.g, color.b, color.w))
cp.setFinalCallback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
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)
window.setPosition((425, 500))
Label(window, "Combined: ")
b = Button(window, "ColorWheel", entypo.ICON_500PX)
Label(window, "Red: ")
redIntBox = IntBox(window)
redIntBox.setEditable(False)
Label(window, "Green: ")
greenIntBox = IntBox(window)
greenIntBox.setEditable(False)
Label(window, "Blue: ")
blueIntBox = IntBox(window)
blueIntBox.setEditable(False)
Label(window, "Alpha: ")
alphaIntBox = IntBox(window)
def cp_fast_cb(color):
b.setBackgroundColor(color)
b.setTextColor(color.contrastingColor())
red = int(color.r * 255.0)
redIntBox.setValue(red)
green = int(color.g * 255.0)
greenIntBox.setValue(green)
blue = int(color.b * 255.0)
blueIntBox.setValue(blue)
alpha = int(color.w * 255.0)
alphaIntBox.setValue(alpha)
cp.setCallback(cp_fast_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()
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(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(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())
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 = 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)
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 draw(self, ctx):
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_CONTROLLER_FAST_FORWARD)
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")
# popup right
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupRight = popupBtn.popup()
popupRight.setLayout(GroupLayout())
CheckBox(popupRight, "Another check box")
# popup left
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupBtn.setSide(Popup.Side.Left)
popupLeft = popupBtn.popup()
popupLeft.setLayout(GroupLayout())
CheckBox(popupLeft, "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)
# Dummy tab used to represent the last tab button.
tabWidget.createTab("+")
def tab_cb(index):
if index == (tabWidget.tabCount()-1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index*counter))
valuesDyn = [0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
tabWidget.setCallback(tab_cb)
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 picker :", "sans-bold");
cp = ColorPicker(window, Color(255, 120, 0, 255));
cp.setFixedSize((100, 20));
def cp_final_cb(color):
print(
"ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(color.r,
color.g,
color.b,
color.w)
)
cp.setFinalCallback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
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)
window.setPosition((425, 500))
Label(window, "Combined: ");
b = Button(window, "ColorWheel", entypo.ICON_500PX)
Label(window, "Red: ")
redIntBox = IntBox(window)
redIntBox.setEditable(False)
Label(window, "Green: ")
greenIntBox = IntBox(window)
greenIntBox.setEditable(False)
Label(window, "Blue: ")
blueIntBox = IntBox(window)
blueIntBox.setEditable(False)
Label(window, "Alpha: ")
alphaIntBox = IntBox(window)
def cp_fast_cb(color):
b.setBackgroundColor(color)
b.setTextColor(color.contrastingColor())
red = int(color.r * 255.0)
redIntBox.setValue(red)
green = int(color.g * 255.0)
greenIntBox.setValue(green)
blue = int(color.b * 255.0)
blueIntBox.setValue(blue)
alpha = int(color.w * 255.0)
alphaIntBox.setValue(alpha)
cp.setCallback(cp_fast_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__((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
class SoundLayer(Widget):
def __init__(self, parent, name, sound, color):
super(SoundLayer, self).__init__(parent)
print('[+] SoundLayer::__init__')
self.setLayout(GridLayout(resolution=4))
self.sound = sound
self.cp = Button(self, '')
self.color = color
self.cp.setBackgroundColor(color)
label = Label(self, name + ':', 'sans-bold')
label.setFixedSize((70, 20))
self.cp.setFixedSize((20, 40))
self.solomute = Widget(self)
self.solomute.setLayout(GridLayout(resolution=3))
self._parent = parent
self._focused = False
self.issolo = False
self.ismute = False
self.selected_color = Color(0x3e, 0x3e, 0x3f, 0xff)
slider = Slider(self.solomute)
slider.setFixedSize((180, 20))
def mute_cb():
print('mute')
mute = Button(self.solomute, 'M')
mute.setCallback(mute_cb)
def solo_cb():
print('solo')
solo = Button(self.solomute, 'S')
solo.setCallback(solo_cb)
spacer = Widget(self)
spacer.setWidth(20)
self.setFixedSize((400, 40))
def get_spect_image(self,
fft_size=FFT_SIZE,
zoom=1,
offset=0,
dtype=np.uint8):
print('[+] sound.sample_width', self.sound.sample_width)
print('[+] sound.channels', self.sound.channels)
print('[+] sound.frame_rate', self.sound.frame_rate)
print('[+] sound.frame_count', int(self.sound.frame_count()))
fbins, rbins = self.get_bins(fft_size)
ret = fbins[:, :fft_size]
frames_num = ret.shape[0]
# import pdb; pdb.set_trace()
ret = np.abs(ret)
ret = 20 * np.log10(ret) # scale to db
ret = np.clip(ret, -40, 200) # clip values
ret = ret + 40 # to pix
ret = (ret / 240.0) * np.iinfo(dtype).max
ret = np.concatenate(ret.T) # join frames and tilt
ret = dtype(ret).reshape(fft_size, frames_num) # reshape as bins/time
ret = ret[::-1, :] # flip vertically for PIL
return ret
def get_channels(self):
if self.sound.channels == 1:
for chunks in make_chunks(self.sound,
int(self.sound.frame_count())):
left = np.array(chunks.get_array_of_samples())
return left, left
for chunks in make_chunks(self.sound, int(self.sound.frame_count())):
samps = chunks.get_array_of_samples()
left = np.array(samps[::2]) # left ch
right = np.array(samps[1::2])
return left, right
def get_bins(self, fft_size=FFT_SIZE):
left, right = self.get_channels()
self.l_bins = fftutils.windowed_fft(left,
fft_size=fft_size,
overlap_fac=OVERLAP)
self.r_bins = fftutils.windowed_fft(right,
fft_size=fft_size,
overlap_fac=OVERLAP)
return self.l_bins, self.r_bins
def draw(self, ctx):
if self.is_focused():
ctx.BeginPath()
ctx.Rect(self.position()[0],
self.position()[1],
self.size()[0] - 30,
self.size()[1])
ctx.FillColor(self.selected_color)
ctx.Fill()
bg = ctx.LinearGradient(self.position()[0],
self.position()[1],
self.size()[0] - 30,
self.size()[1], self.selected_color,
self.selected_color)
ctx.FillPaint(bg)
ctx.Fill()
return super(SoundLayer, self).draw(ctx)
def is_focused(self):
return self._focused
def set_focus(self, val):
if val:
self._parent.blur_all()
self._focused = val
def mouseButtonEvent(self, p, button, down, modifiers):
ret = super(SoundLayer, self).mouseButtonEvent(p, button, down,
modifiers)
if ret:
return ret
if (button == 0):
if down:
self.set_focus(True)
return True
return False
