func (a *Application) init() {
glfw.WindowHint(glfw.Samples, 4)
a.screen = nanogui.NewScreen(1024, 768, "NanoGUI.Go Test", true, false)
demo.ButtonDemo(a.screen)
images := loadImageDirectory(a.screen.NVGContext(), "icons")
imageButton, imagePanel, progressBar := demo.BasicWidgetsDemo(a.screen, images)
a.progress = progressBar
demo.SelectedImageDemo(a.screen, imageButton, imagePanel)
demo.MiscWidgetsDemo(a.screen)
demo.GridDemo(a.screen)
a.screen.SetDrawContentsCallback(func() {
a.progress.SetValue(float32(math.Mod(float64(nanogui.GetTime())/10, 1.0)))
})
a.screen.DebugPrint()
a.screen.PerformLayout()
/* All NanoGUI widgets are initialized at this point. Now
create an OpenGL shader to draw the main window contents.
NanoGUI comes with a simple Eigen-based wrapper around OpenGL 3,
which eliminates most of the tedious and error-prone shader and
buffer object management.
*/
}
func NewScreen(width, height int, caption string, resizable, fullScreen bool) *Screen {
screen := &Screen{
//cursor: glfw.CursorNormal,
caption: caption,
}
if runtime.GOARCH == "js" {
glfw.WindowHint(glfw.Hint(0x00021101), 1) // enable stencil for nanovgo
}
glfw.WindowHint(glfw.Samples, 4)
//glfw.WindowHint(glfw.RedBits, 8)
//glfw.WindowHint(glfw.GreenBits, 8)
//glfw.WindowHint(glfw.BlueBits, 8)
glfw.WindowHint(glfw.AlphaBits, 8)
//glfw.WindowHint(glfw.StencilBits, 8)
//glfw.WindowHint(glfw.DepthBits, 8)
//glfw.WindowHint(glfw.Visible, 0)
if resizable {
//glfw.WindowHint(glfw.Resizable, 1)
} else {
//glfw.WindowHint(glfw.Resizable, 0)
}
var err error
if fullScreen {
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
screen.window, err = glfw.CreateWindow(mode.Width, mode.Height, caption, monitor, nil)
} else {
screen.window, err = glfw.CreateWindow(width, height, caption, nil, nil)
}
if err != nil {
panic(err)
}
screen.window.MakeContextCurrent()
gl.Viewport(0, 0, screen.fbW, screen.fbH)
gl.ClearColor(0, 0, 0, 1)
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT)
glfw.SwapInterval(0)
screen.window.SwapBuffers()
/* Poll for events once before starting a potentially
lengthy loading process. This is needed to be
classified as "interactive" by other software such
as iTerm2 */
if runtime.GOOS == "darwin" {
glfw.PollEvents()
}
screen.window.SetCursorPosCallback(func(w *glfw.Window, xpos, ypos float64) {
if screen, ok := nanoguiScreens[w]; ok {
screen.cursorPositionCallbackEvent(xpos, ypos)
}
})
screen.window.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
if screen, ok := nanoguiScreens[w]; ok {
screen.mouseButtonCallbackEvent(button, action, mods)
}
})
screen.window.SetKeyCallback(func(w *glfw.Window, key glfw.Key, scanCode int, action glfw.Action, mods glfw.ModifierKey) {
if screen, ok := nanoguiScreens[w]; ok {
screen.keyCallbackEvent(key, scanCode, action, mods)
}
})
screen.window.SetCharCallback(func(w *glfw.Window, char rune) {
if screen, ok := nanoguiScreens[w]; ok {
screen.charCallbackEvent(char)
}
})
screen.window.SetPreeditCallback(func(w *glfw.Window, text []rune, blocks []int, focusedBlock int) {
if screen, ok := nanoguiScreens[w]; ok {
screen.preeditCallbackEvent(text, blocks, focusedBlock)
}
})
screen.window.SetIMEStatusCallback(func(w *glfw.Window) {
if screen, ok := nanoguiScreens[w]; ok {
screen.imeStatusCallbackEvent()
}
})
screen.window.SetDropCallback(func(w *glfw.Window, names []string) {
if screen, ok := nanoguiScreens[w]; ok {
screen.dropCallbackEvent(names)
}
})
screen.window.SetScrollCallback(func(w *glfw.Window, xoff float64, yoff float64) {
if screen, ok := nanoguiScreens[w]; ok {
screen.scrollCallbackEvent(float32(xoff), float32(yoff))
}
})
screen.window.SetFramebufferSizeCallback(func(w *glfw.Window, width int, height int) {
if screen, ok := nanoguiScreens[w]; ok {
screen.resizeCallbackEvent(width, height)
}
})
screen.Initialize(screen.window, true)
InitWidget(screen, nil)
return screen
}