Module Python-Screen-Stack-Manager.examples.simple_demo

#!/usr/bin/env python
import sys
sys.path.append("../")
import pssm
import platform
if platform.machine() in ["x86", "AMD64", "i686", "x86_64"]:
    device = "Emulator"
else:
    device = "Kobo"


# Declare the Screen Stack Manager
screen = pssm.PSSMScreen(device, 'Main')
# Start Touch listener, as a separate thread
screen.startListenerThread()
# Clear and refresh the screen
screen.clear()
screen.refresh()


def demo1():
    """
    ![Demo1](https://raw.githubusercontent.com/Mavireck/Python-Screen-Stack-Manager/master/examples/screenshot-demo1.jpg)
    """
    def reactFctn(elt, coords):
        print(coords, " - ", elt.text)
        print(elt.area)
        print("")

    button1 = pssm.Button("Hey", onclickInside=reactFctn)
    button2 = pssm.Button("Hey2", onclickInside=reactFctn)
    button3 = pssm.Button("Hey3", onclickInside=reactFctn)
    layout_demo = [
        [30                                                                             ],
        [100, (None,"?/2"), (button1,300), (None,"?/2")                                 ],
        [30                                                                             ],
        [100, (None,20), (button2,200), (None,20)                                       ],
        [30                                                                             ],
        [100, (None,20), (button3,200), (None,20), (pssm.Button("nope"),300), (None,10)  ],
        [40]
    ]
    myLayout = pssm.Layout(layout_demo,screen.area)
    screen.addElt(myLayout)
    print("waiting")
    screen.device.wait(2)
    print("done waiting")
    button1.update(newAttributes={
        'text':"Things can change"
    })



def demo2():
    """
    ![Demo2](https://raw.githubusercontent.com/Mavireck/Python-Screen-Stack-Manager/master/examples/screenshot-demo2.jpg)
    """
    reactFctn = lambda elt,coords : print(coords," - ",elt.text)
    myButtonList = pssm.ButtonList(
        buttons = [
            {'text':'Yup1','onclickInside':reactFctn},
            {'text':'Yup2','onclickInside':reactFctn},
            {'text':'Yup3','onclickInside':reactFctn},
            {'text':'Yup4','onclickInside':reactFctn},
            {'text':'Yup5','onclickInside':reactFctn}
        ],
        margins = [200,200,100,100],
        spacing = 30,
        area = screen.area
    )
    screen.addElt(myButtonList)



def demo3():
    """
    ![Demo3](https://raw.githubusercontent.com/Mavireck/Python-Screen-Stack-Manager/master/examples/screenshot-demo3.jpg)
    """
    reactFctn = lambda elt,coords : print(coords," - ",elt.text)
    buttons     = [{'text':'This is button number : ' + str(n), 'onclickInside':reactFctn} for n in range(8)]
    buttonList  = pssm.ButtonList(buttons=buttons, margins=[30,30,100,100], spacing=10)
    button_welcome  = pssm.Button(text="Welcome !",radius=20, font=pssm.DEFAULT_FONTBOLD, font_size = "h*0.5", background_color="gray10")
    button_previous = pssm.Button("Previous",onclickInside = reactFctn)
    button_reboot   = pssm.Button("Reboot")
    button_next     = pssm.Button("Next")
    menu = [
        [30                                                                                                             ],
        [100,            (None,80),                       (button_welcome,"?"),                    (None,80)            ],
        ["?",                                               (buttonList,"?")                                            ],
        [100,(None,30), (button_previous,"?*1"), (None,30), (button_reboot,"?*2"), (None,30), (button_next,"?*1"), (None,30)  ],
        [30                                                                                                             ]
    ]
    myLayout = pssm.Layout(menu,screen.area)
    screen.addElt(myLayout)

def demo4():
    """
    ![Demo4](https://raw.githubusercontent.com/Mavireck/Python-Screen-Stack-Manager/master/examples/screenshot-demo4.jpg)
    """
    layout_demo = [
        [30                                                                                         ],
        ["H*0.1", (None,"?/2"),        (pssm.Button("But1"),200),        (None,"?/2")               ],
        ["?"                                                                                        ],
        ["p*100", (None,"W*0.3"),       (pssm.Button("But2"),200),        (None,"W*0.3")            ],
        [30                                                                                         ],
        [100, (None,20), (pssm.Button("But3"),200), (None,20), (pssm.Button("nope"),300), (None,10) ],
        [40                                                                                         ]
    ]
    # You can then add the main layout to the screen:
    myLayout = pssm.Layout(layout_demo,screen.area)
    screen.addElt(myLayout)

@pssm.timer
def demo5(n=50):
    """This demo is only a mean to stres the printStack function performance"""
    reactFctn = lambda elt,coords : screen.printStack(area=elt.area)
    screen.startBatchWriting()
    for i in range(n):
        area = [(0, int((i-1)*screen.height/n)), (screen.width, int(screen.height/n))]
        mbtn   = pssm.Button(str(i), area=area, onclickInside=reactFctn, font_size=15)
        screen.addElt(mbtn)
    screen.stopBatchWriting()


if __name__ == "__main__":
    demo5()
    screen.device.startMainLoop()   # only necessary for the emulator, and must be the very last function of your code