Module albow.choices.TextMultiChoice

Source code 
from pygame import draw
from pygame import Surface
from pygame import Rect

from albow.utils import blit_in_rect


from albow.choices.MultiChoice import MultiChoice


class TextMultiChoice(MultiChoice):
    """
    TextMultichoice is a Multichoice control that displays its values in the form of text.

    .. Note::
        In addition to the highlight styles defined by PaletteView,
        TextMultichoice also provides 'arrows', which highlights the selected value with a pair of
        arrowheads above and below.

    """
    def __init__(self, values, labels=None, **kwds):
        """

        Initializes the control with the given values and corresponding labels. If no labels are specified,
        they are derived by applying str() to the values

        Args:
            values: The values

            labels: The displayed associated labels

            **kwds:
        """

        if not labels:
            labels = map(str, values)
        font = self.predict_font(kwds)
        # d = 2 * self.predict(kwds, 'margin')
        cd = 2 * self.predict(kwds, 'cell_margin')
        wmax = 0
        hmax = 0

        for (w, h) in map(font.size, labels):
            wmax = max(wmax, w)
            hmax = max(hmax, h)
        cw = wmax + cd
        ch = hmax + cd

        super().__init__((cw, ch), values, **kwds)

        self.labels = labels

    def draw_item(self, theSurface: Surface, n: int, theRect: Rect):

        buf = self.font.render(self.labels[n], True, self.fg_color)
        blit_in_rect(theSurface, buf, theRect, self.align, self.margin)

    def draw_prehighlight(self, theSurface: Surface, theItemNumber: int, theRect: Rect):
        if self.highlight_style == 'arrows':
            self.draw_arrows(theSurface, theRect)
        else:
            MultiChoice.draw_prehighlight(self, theSurface, theItemNumber, theRect)

    def draw_arrows(self, theSurface: Surface, theRect: Rect):
        """

        Args:
            theSurface: pygame surface to drawn

            theRect: The pygame rectangle to draw in

        """
        m = self.margin
        color = self.sel_color or self.fg_color
        x, y = theRect.midtop
        pts = [(x - m, y - m), (x + m, y - m), (x, y)]
        draw.polygon(theSurface, color, pts)
        x, y = theRect.midbottom
        y -= 1
        pts = [(x - m, y + m), (x + m, y + m), (x, y)]
        draw.polygon(theSurface, color, pts)

Classes

class TextMultiChoice (values, labels=None, **kwds)

TextMultichoice is a Multichoice control that displays its values in the form of text.

Note

In addition to the highlight styles defined by PaletteView, TextMultichoice also provides 'arrows', which highlights the selected value with a pair of arrowheads above and below.

Initializes the control with the given values and corresponding labels. If no labels are specified, they are derived by applying str() to the values

Args

values
The values
labels
The displayed associated labels

**kwds:

Source code 
class TextMultiChoice(MultiChoice):
    """
    TextMultichoice is a Multichoice control that displays its values in the form of text.

    .. Note::
        In addition to the highlight styles defined by PaletteView,
        TextMultichoice also provides 'arrows', which highlights the selected value with a pair of
        arrowheads above and below.

    """
    def __init__(self, values, labels=None, **kwds):
        """

        Initializes the control with the given values and corresponding labels. If no labels are specified,
        they are derived by applying str() to the values

        Args:
            values: The values

            labels: The displayed associated labels

            **kwds:
        """

        if not labels:
            labels = map(str, values)
        font = self.predict_font(kwds)
        # d = 2 * self.predict(kwds, 'margin')
        cd = 2 * self.predict(kwds, 'cell_margin')
        wmax = 0
        hmax = 0

        for (w, h) in map(font.size, labels):
            wmax = max(wmax, w)
            hmax = max(hmax, h)
        cw = wmax + cd
        ch = hmax + cd

        super().__init__((cw, ch), values, **kwds)

        self.labels = labels

    def draw_item(self, theSurface: Surface, n: int, theRect: Rect):

        buf = self.font.render(self.labels[n], True, self.fg_color)
        blit_in_rect(theSurface, buf, theRect, self.align, self.margin)

    def draw_prehighlight(self, theSurface: Surface, theItemNumber: int, theRect: Rect):
        if self.highlight_style == 'arrows':
            self.draw_arrows(theSurface, theRect)
        else:
            MultiChoice.draw_prehighlight(self, theSurface, theItemNumber, theRect)

    def draw_arrows(self, theSurface: Surface, theRect: Rect):
        """

        Args:
            theSurface: pygame surface to drawn

            theRect: The pygame rectangle to draw in

        """
        m = self.margin
        color = self.sel_color or self.fg_color
        x, y = theRect.midtop
        pts = [(x - m, y - m), (x + m, y - m), (x, y)]
        draw.polygon(theSurface, color, pts)
        x, y = theRect.midbottom
        y -= 1
        pts = [(x - m, y + m), (x + m, y + m), (x, y)]
        draw.polygon(theSurface, color, pts)

Ancestors

Methods

def draw_arrows(self, theSurface, theRect)

Args

theSurface
pygame surface to drawn
theRect
The pygame rectangle to draw in
Source code 
def draw_arrows(self, theSurface: Surface, theRect: Rect):
    """

    Args:
        theSurface: pygame surface to drawn

        theRect: The pygame rectangle to draw in

    """
    m = self.margin
    color = self.sel_color or self.fg_color
    x, y = theRect.midtop
    pts = [(x - m, y - m), (x + m, y - m), (x, y)]
    draw.polygon(theSurface, color, pts)
    x, y = theRect.midbottom
    y -= 1
    pts = [(x - m, y + m), (x + m, y + m), (x, y)]
    draw.polygon(theSurface, color, pts)
def draw_item(self, theSurface, n, theRect)
Source code 
def draw_item(self, theSurface: Surface, n: int, theRect: Rect):

    buf = self.font.render(self.labels[n], True, self.fg_color)
    blit_in_rect(theSurface, buf, theRect, self.align, self.margin)

Inherited members