diff options
Diffstat (limited to 'lvc')
| -rw-r--r-- | lvc/widgets/widgetutil.py | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/lvc/widgets/widgetutil.py b/lvc/widgets/widgetutil.py index 861ed5f..bd3783a 100644 --- a/lvc/widgets/widgetutil.py +++ b/lvc/widgets/widgetutil.py @@ -2,6 +2,7 @@ from math import pi as PI from lvc.widgets import widgetset from lvc.resources import image_path + def make_surface(image_name, height=None): path = image_path(image_name + '.png') image = widgetset.Image(path) @@ -9,6 +10,7 @@ def make_surface(image_name, height=None): image = image.resize(image.width, height) return widgetset.ImageSurface(image) + def font_scale_from_osx_points(points): """Create a font scale so that it's points large on OS X. @@ -18,59 +20,69 @@ def font_scale_from_osx_points(points): """ return points / 13.0 + def css_to_color(css_string): parts = (css_string[1:3], css_string[3:5], css_string[5:7]) return tuple((int(value, 16) / 255.0) for value in parts) + def align(widget, xalign=0, yalign=0, xscale=0, yscale=0, - top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): + top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Create an alignment, then add widget to it and return the alignment. """ alignment = widgetset.Alignment(xalign, yalign, xscale, yscale, - top_pad, bottom_pad, left_pad, right_pad) + top_pad, bottom_pad, left_pad, right_pad) alignment.add(widget) return alignment + def align_center(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will center it horizontally. """ return align(widget, 0.5, 0, 0, 1, - top_pad, bottom_pad, left_pad, right_pad) + top_pad, bottom_pad, left_pad, right_pad) + def align_right(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will align it left. """ return align(widget, 1, 0, 0, 1, top_pad, bottom_pad, left_pad, right_pad) + def align_left(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will align it right. """ return align(widget, 0, 0, 0, 1, top_pad, bottom_pad, left_pad, right_pad) + def align_middle(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will center it vertically. """ return align(widget, 0, 0.5, 1, 0, - top_pad, bottom_pad, left_pad, right_pad) + top_pad, bottom_pad, left_pad, right_pad) + def align_top(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will align to the top. """ return align(widget, 0, 0, 1, 0, top_pad, bottom_pad, left_pad, right_pad) + def align_bottom(widget, top_pad=0, bottom_pad=0, left_pad=0, right_pad=0): """Wrap a widget in an Alignment that will align to the bottom. """ return align(widget, 0, 1, 1, 0, top_pad, bottom_pad, left_pad, right_pad) + def pad(widget, top=0, bottom=0, left=0, right=0): """Wrap a widget in an Alignment that will pad it. """ alignment = widgetset.Alignment(0, 0, 1, 1, - top, bottom, left, right) + top, bottom, left, right) alignment.add(widget) return alignment + def round_rect(context, x, y, width, height, edge_radius): """Specifies path of a rectangle with rounded corners. """ @@ -92,6 +104,7 @@ def round_rect(context, x, y, width, height, edge_radius): context.rel_line_to(0, -inner_height) context.arc(x_inner1, y_inner1, edge_radius, PI, PI*3/2) + def round_rect_reverse(context, x, y, width, height, edge_radius): """Specifies path of a rectangle with rounded corners. @@ -115,6 +128,7 @@ def round_rect_reverse(context, x, y, width, height, edge_radius): context.arc_negative(x_inner2, y_inner1, edge_radius, 0, -PI/2) context.rel_line_to(-inner_width, 0) + def circular_rect(context, x, y, width, height): """Make a path for a rectangle with the left/right side being circles. """ @@ -130,6 +144,7 @@ def circular_rect(context, x, y, width, height): context.rel_line_to(-inner_width, 0) context.arc(inner_x1, inner_y, radius, PI/2, -PI/2) + def circular_rect_negative(context, x, y, width, height): """The same path as ``circular_rect()``, but going counter clockwise. """ @@ -145,6 +160,7 @@ def circular_rect_negative(context, x, y, width, height): context.arc_negative(inner_x2, inner_y, radius, PI/2, -PI/2) context.rel_line_to(-inner_width, 0) + class Shadow(object): """Encapsulates all parameters required to draw shadows. """ @@ -154,6 +170,7 @@ class Shadow(object): self.offset = offset self.blur_radius = blur_radius + class ThreeImageSurface(object): """Takes a left, center and right image and draws them to an arbitrary width. If the width is greater than the combined width of the 3 images, @@ -213,7 +230,8 @@ class ThreeImageSurface(object): def draw(self, context, x, y, width, fraction=1.0): left_width = min(self.left.width, width) self.left.draw(context, x, y, left_width, self.height, fraction) - self.draw_right(context, x + left_width, y, width - left_width, fraction) + self.draw_right(context, x + left_width, + y, width - left_width, fraction) def draw_right(self, context, x, y, width, fraction=1.0): # draws only the right two images @@ -222,4 +240,5 @@ class ThreeImageSurface(object): center_width = int(width - right_width) self.center.draw(context, x, y, center_width, self.height, fraction) - self.right.draw(context, x + center_width, y, right_width, self.height, fraction) + self.right.draw(context, x + center_width, + y, right_width, self.height, fraction) |