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Implement cursor shapes

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This commit is contained in:
Kovid Goyal 2016-10-30 16:43:59 +05:30
parent bce5f24e99
commit 47a23cafbe
1 changed files with 22 additions and 5 deletions
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27
kitty/char_grid.py
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@ -11,6 +11,7 @@ from .config import build_ansi_color_tables, to_color, fg_color_table, bg_color_
from .data_types import COL_MASK, COL_SHIFT, ITALIC_MASK, BOLD_MASK, REVERSE_MASK, as_color
from .fonts import set_font_family
from .shaders import Sprites, ShaderProgram
from .utils import get_logical_dpi
import OpenGL.GL as gl
@ -136,6 +137,7 @@ empty_cell = (' ', 0)
class CharGrid:
def __init__(self, screen, opts, window_width, window_height):
self.dpix, self.dpiy = get_logical_dpi()
self.width, self.height = window_width, window_height
self.screen = screen
self.opts = opts
@ -157,6 +159,7 @@ class CharGrid:
self.default_bg, self.default_fg = self.original_bg, self.original_fg
def apply_opts(self, opts):
self.dpix, self.dpiy = get_logical_dpi()
self.opts = opts
build_ansi_color_tables(opts)
self.default_cursor = Cursor(0, 0, False, opts.cursor_shape, opts.cursor, opts.cursor_blink)
@ -276,7 +279,7 @@ class CharGrid:
gl.glViewport(0, 0, self.width, self.height)
data.update(rd)
if cell_data_changed:
spmap, sptext = rd.cell_data
spmap, sptext = data.cell_data
for i, (text, attrs) in enumerate(sptext):
f = i * 9
spmap[f:f + 3] = self.sprites.primary_sprite_position(text, attrs & BOLD_MASK, attrs & ITALIC_MASK)
@ -300,14 +303,28 @@ class CharGrid:
self.render_cursor(sg, data.cursor)
def render_cursor(self, sg, cursor):
def width(w=2, vert=True):
dpi = self.dpix if vert else self.dpiy
w *= dpi / 72.0 # as pixels
factor = 2 / (self.width if vert else self.height)
return w * factor
with self.cursor_program:
ul = self.cursor_program.uniform_location
left = sg.xstart + cursor.x * sg.dx
top = sg.ystart - cursor.y * sg.dy
col = cursor.color or self.default_cursor.color
gl.glEnable(gl.GL_BLEND)
gl.glUniform4f(ul('color'), col[0], col[1], col[2], self.opts.cursor_opacity)
gl.glUniform2f(ul('xpos'), left, left + sg.dx)
gl.glUniform2f(ul('ypos'), top, top - sg.dy)
shape = cursor.shape or self.default_cursor.shape
alpha = self.opts.cursor_opacity
if alpha < 1.0 and shape == 'block':
gl.glEnable(gl.GL_BLEND)
right = left + (width(1.5) if shape == 'beam' else sg.dx)
bottom = top - sg.dy
if shape == 'underline':
top = bottom + width(vert=False)
gl.glUniform4f(ul('color'), col[0], col[1], col[2], alpha)
gl.glUniform2f(ul('xpos'), left, right)
gl.glUniform2f(ul('ypos'), top, bottom)
gl.glDrawArrays(gl.GL_TRIANGLE_FAN, 0, 4)
gl.glDisable(gl.GL_BLEND)