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some inputbox fixed, but highlight still needs work

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This commit is contained in:
Rene Kievits
2023-03-21 11:08:54 +01:00
parent f399235db0
commit 95d0175f17
1 changed files with 56 additions and 69 deletions
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125
awesome/src/modules/inputbox/new.lua
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@@ -27,39 +27,47 @@ local capi = {
local inputbox = {}
local function get_text_extent(text, font, font_size, args)
local surface = cairo.ImageSurface(cairo.Format.ARGB32, 0, 0)
local cr = cairo.Context(surface)
cr:select_font_face(font, args)
cr:set_font_size(font_size)
return cr:text_extents(text)
local function get_subtext_layout(layout, starti, endi)
local text = layout:get_text()
local subtext = text:sub(starti, endi)
local ctx = layout:get_context()
local sublayout = Pango.Layout.new(ctx)
sublayout:set_font_description(layout:get_font_description())
sublayout:set_text(subtext)
local _, sub_extent = sublayout:get_extents()
return sub_extent
end
function inputbox.draw_text(self)
local text = self:get_text()
local highlight = self:get_highlight()
local fg_color = { 1, 1, 1 }
local fg_color = { 1, 1, 1, 1 }
local cursor_color = { 1, 1, 1, 1 }
if text == '' then
fg_color = { 0.2, 0.2, 0.2 }
fg_color = { 0.2, 0.2, 0.2, 1 }
-- Silently change the text, it will be changed back after it is drawn
self._private.layout:set_text(self._private.text_hint)
end
local _, pango_extent = self._private.layout:get_extents()
local surface = cairo.ImageSurface(cairo.Format.ARGB32, (pango_extent.width / Pango.SCALE) + pango_extent.x, (pango_extent.height / Pango.SCALE) + pango_extent.y)
local surface = cairo.ImageSurface(cairo.Format.ARGB32, (pango_extent.width / Pango.SCALE) + pango_extent.x + 2, (pango_extent.height / Pango.SCALE) + pango_extent.y)
local cr = cairo.Context(surface)
-- Draw highlight
if (highlight.start_pos ~= 0) or (highlight.end_pos ~= 0) then
if highlight.start_pos ~= highlight.end_pos then
cr:set_source_rgb(0, 0, 1)
local txt = text:sub(self:get_highlight().start_pos + 1, self:get_highlight().end_pos)
local sub_extent = get_subtext_layout(self._private.layout, self:get_highlight().start_pos, self:get_highlight().end_pos)
local _, x_offset = self._private.layout:index_to_line_x(self:get_highlight().start_pos, false)
cr:rectangle(
cr:text_extents(text:sub(0, self:get_highlight().start_pos)).x_advance,
x_offset / Pango.SCALE,
pango_extent.y / Pango.SCALE,
cr:text_extents(txt).width,
sub_extent.width / Pango.SCALE,
pango_extent.height / Pango.SCALE
)
cr:fill()
@@ -67,7 +75,7 @@ function inputbox.draw_text(self)
-- Draw text
PangoCairo.update_layout(cr, self._private.layout)
cr:set_source_rgba(1, 1, 1, 1)
cr:set_source_rgba(table.unpack(fg_color))
cr:move_to(0, 0)
PangoCairo.show_layout(cr, self._private.layout)
@@ -163,20 +171,20 @@ function inputbox:start_keygrabber()
modifiers = { 'Shift' },
key = 'Left',
on_press = function()
local cursor_pos = self:get_cursor_pos()
local cursor_pos = self:get_cursor_index()
local hl = self:get_highlight()
if cursor_pos == hl.start_pos then
self:set_cursor_pos(cursor_pos - 1)
self:set_highlight { start_pos = self:get_cursor_pos(), end_pos = hl.end_pos }
self:set_highlight { start_pos = self:get_cursor_index(), end_pos = hl.end_pos }
elseif cursor_pos == hl.end_pos then
self:set_cursor_pos(cursor_pos - 1)
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_pos() }
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_index() }
else
if (hl.start_pos ~= cursor_pos) and (hl.end_pos ~= cursor_pos) then
self:set_highlight { start_pos = cursor_pos, end_pos = cursor_pos }
hl = self:get_highlight()
self:set_cursor_pos(cursor_pos - 1)
self:set_highlight { start_pos = self:get_cursor_pos(), end_pos = hl.end_pos }
self:set_highlight { start_pos = self:get_cursor_index(), end_pos = hl.end_pos }
end
end
end,
@@ -185,20 +193,20 @@ function inputbox:start_keygrabber()
modifiers = { 'Shift' },
key = 'Right',
on_press = function()
local cursor_pos = self:get_cursor_pos()
local cursor_pos = self:get_cursor_index()
local hl = self:get_highlight()
if cursor_pos == hl.end_pos then
self:set_cursor_pos(cursor_pos + 1)
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_pos() }
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_index() }
elseif cursor_pos == hl.start_pos then
self:set_cursor_pos(cursor_pos + 1)
self:set_highlight { start_pos = self:get_cursor_pos(), end_pos = hl.end_pos }
self:set_highlight { start_pos = self:get_cursor_index(), end_pos = hl.end_pos }
else
if (hl.start_pos ~= cursor_pos) and (hl.end_pos ~= cursor_pos) then
self:set_highlight { start_pos = cursor_pos, end_pos = cursor_pos }
hl = self:get_highlight()
self:set_cursor_pos(cursor_pos + 1)
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_pos() }
self:set_highlight { start_pos = hl.start_pos, end_pos = self:get_cursor_index() }
end
end
end,
@@ -274,28 +282,6 @@ function inputbox:start_keygrabber()
}
end
--[[ function inputbox:advanced_by_character(mx, last_x)
local delta = mx - last_x
local character
local text = self:get_text()
local cursor_pos = self:get_cursor_pos()
if delta < 0 then
character = text:sub(cursor_pos + 1, cursor_pos + 1)
else
character = text:sub(cursor_pos - 1, cursor_pos - 1)
end
if character then
local extents = get_text_extent(character, self.font, self.font_size, { cairo.FontSlant.NORMAL, cairo.FontWeight.NORMAL })
if math.abs(delta) >= extents.x_advance then
self:set_cursor_pos(cursor_pos + (((delta > 0) and 1) or -1))
last_x = mx
return (((delta > 0) and 1) or -1), last_x
end
end
return 0, last_x
end ]]
function inputbox:start_mousegrabber(x, y)
--[[ if not mousegrabber.isrunning() then
local last_x, advanced, cursor_pos, mx = x, nil, self:get_cursor_pos(), nil
@@ -331,31 +317,33 @@ function inputbox:start_mousegrabber(x, y)
if not mousegrabber.isrunning() then
local index, _ = self._private.layout:xy_to_index(x * Pango.SCALE, y * Pango.SCALE)
if not index then return end
if not index then index = #self:get_text() end
self:set_cursor_pos(index)
-- Remove highlight, but also prepare its position (same pos = no highlight)
self:set_highlight { start_pos = index, end_pos = index }
local text = self:get_text()
local cursor_pos = self:get_cursor_pos()
local hl = self:get_highlight()
local mb_start = index
local m_start_x = capi.mouse.coords().x
mousegrabber.run(function(m)
index, _ = self._private.layout:xy_to_index(m.x * Pango.SCALE, m.y * Pango.SCALE)
index, _ = self._private.layout:xy_to_index((m.x - m_start_x + x) * Pango.SCALE, y * Pango.SCALE)
if not index then return end
if not index then index = #text end
if math.abs(index - cursor_pos) == 1 then
if cursor_pos <= hl.start_pos then
if mb_start - index == 1 then
if index <= hl.start_pos then
if hl.end_pos < #text then
self:set_highlight { start_pos = hl.start_pos, end_pos = hl.end_pos + 1 }
end
else
self:set_highlight { start_pos = hl.start_pos + 1, end_pos = hl.end_pos }
end
elseif math.abs(index - cursor_pos) == -1 then
if cursor_pos >= hl.end_pos then
elseif mb_start - index == -1 then
if index >= hl.end_pos then
if hl.start_pos > 1 then
self:set_highlight { start_pos = hl.start_pos - 1, end_pos = hl.end_pos }
end
@@ -364,10 +352,12 @@ function inputbox:start_mousegrabber(x, y)
end
end
if index ~= cursor_pos then
if index ~= mb_start then
self:set_cursor_pos(index)
mb_start = index
end
print(self:get_highlight().start_pos, self:get_highlight().end_pos)
hl = self:get_highlight()
return m.buttons[1]
end, 'xterm')
end
@@ -375,8 +365,8 @@ end
function inputbox:set_cursor_pos_from_mouse(x, y)
-- When setting the cursor position, trailing is not needed as its handled by the setter
local index, _ = self._private.layout:xy_to_index(x * Pango.SCALE, y * Pango.SCALE)
if not index then return end
local index = self._private.layout:xy_to_index(x * Pango.SCALE, y * Pango.SCALE)
if not index then index = #self:get_text() end
self:set_highlight { start_pos = 0, end_pos = 0 }
self:set_cursor_pos(index)
@@ -409,14 +399,15 @@ end
function inputbox:set_cursor_pos(cursor_pos)
-- moving only moved one character set, to move it multiple times we need to loop as long as the difference to the new cursor isn't 0
if not cursor_pos or (cursor_pos < 0) or (cursor_pos >= #self:get_text()) then return end
while (cursor_pos - self._private.cursor_pos.index) ~= 0 do
self._private.cursor_pos.index, self._private.cursor_pos.trailing = self._private.layout:move_cursor_visually(
true, self._private.cursor_pos.index,
self._private.cursor_pos.trailing,
cursor_pos - self._private.cursor_pos.index
)
end
if not cursor_pos or (cursor_pos < 0) or (cursor_pos > #self:get_text()) then return end
--while (cursor_pos - self._private.cursor_pos.index) ~= 0 do
--[[ self._private.cursor_pos.index, self._private.cursor_pos.trailing = self._private.layout:move_cursor_visually(
true, self._private.cursor_pos.index,
self._private.cursor_pos.trailing,
cursor_pos - self._private.cursor_pos.index
) ]]
self._private.cursor_pos.index = cursor_pos
--end
self.draw_text(self)
end
@@ -440,15 +431,11 @@ end
function inputbox.new(args)
local ret = gobject { enable_properties = true }
args.text = args.text .. '\n'
gtable.crush(ret, inputbox)
ret._private = {}
ret._private.context = PangoCairo.font_map_get_default():create_context()
ret._private.layout = Pango.Layout.new(ret._private.context)
ret.font_size = 24
ret.font = 'JetBrainsMono Nerd Font, ' .. 24
ret._private.layout:set_font_description(Pango.FontDescription.from_string('JetBrainsMono Nerd Font 16'))
ret._private.text_hint = args.text_hint or ''
@@ -466,7 +453,7 @@ function inputbox.new(args)
ret.widget:connect_signal('button::press', function(_, x, y, button)
if button == 1 then
ret:set_cursor_pos_from_mouse(x, y)
--ret:start_mousegrabber(x, y)
ret:start_mousegrabber(x, y)
ret:start_keygrabber()
end
end)