Merge lines.love
This commit is contained in:
commit
348852ee2b
2
app.lua
2
app.lua
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@ -53,6 +53,8 @@ function handle_error(err)
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App.undo_initialize()
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App.run_tests_and_initialize()
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else
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-- abort without running love.quit handler
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Disable_all_quit_handlers = true
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love.event.quit()
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end
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end
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@ -61,9 +61,9 @@ function Drawing.draw(State, line_index, y)
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App.color(Current_name_background_color)
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local name_width
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if p.name == '' then
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name_width = App.width('m')
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name_width = State.font:getWidth('m')
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else
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name_width = App.width(p.name)
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name_width = State.font:getWidth(p.name)
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end
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love.graphics.rectangle('fill', x,y, name_width, State.line_height)
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end
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6
help.lua
6
help.lua
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@ -9,7 +9,7 @@ function draw_help_without_mouse_pressed(State, drawing_index)
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y = y + State.line_height
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love.graphics.print("* Hover on a point and press 'ctrl+u' to pick it up and start moving it,", State.left+30,y)
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y = y + State.line_height
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love.graphics.print("then press the mouse button to drop it", State.left+30+bullet_indent(),y)
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love.graphics.print("then press the mouse button to drop it", State.left+30+State.font:getWidth('* '),y)
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y = y + State.line_height
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love.graphics.print("* Hover on a point and press 'ctrl+n', type a name, then press 'enter'", State.left+30,y)
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y = y + State.line_height
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@ -145,7 +145,3 @@ function current_shape(State, shape)
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return State.current_drawing_mode
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end
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end
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function bullet_indent()
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return App.width('* ')
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end
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@ -94,14 +94,14 @@ function log_browser.draw(State, hide_cursor)
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love.graphics.line(xright,sectiony, xright,y+State.line_height)
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love.graphics.line(xleft,sectiony, xleft+50-2,sectiony)
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love.graphics.print(line.section_name, xleft+50,y)
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love.graphics.line(xleft+50+App.width(line.section_name)+2,sectiony, xright,sectiony)
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love.graphics.line(xleft+50+State.font:getWidth(line.section_name)+2,sectiony, xright,sectiony)
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else assert(line.section_end, "log line has a section name, but it's neither the start nor end of a section")
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local sectiony = y+State.line_height-Section_border_padding_vertical
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love.graphics.line(xleft,y, xleft,sectiony)
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love.graphics.line(xright,y, xright,sectiony)
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love.graphics.line(xleft,sectiony, xleft+50-2,sectiony)
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love.graphics.print(line.section_name, xleft+50,y)
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love.graphics.line(xleft+50+App.width(line.section_name)+2,sectiony, xright,sectiony)
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love.graphics.line(xleft+50+State.font:getWidth(line.section_name)+2,sectiony, xright,sectiony)
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end
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else
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if type(line.data) == 'string' then
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@ -137,7 +137,7 @@ function render_stack_left_margin(State, line_index, line, y)
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love.graphics.print(line.section_stack[i].name, x+State.font_height+5, y+5, --[[vertically]] math.pi/2)
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end
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if y > App.screen.height-log_browser.height(State, line_index) then
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love.graphics.print(line.section_stack[i].name, x+State.font_height+5, App.screen.height-App.width(line.section_stack[i].name)-5, --[[vertically]] math.pi/2)
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love.graphics.print(line.section_stack[i].name, x+State.font_height+5, App.screen.height-State.font:getWidth(line.section_stack[i].name)-5, --[[vertically]] math.pi/2)
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end
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end
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return log_browser.left_margin(State, line)
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@ -152,7 +152,7 @@ function render_stack_right_margin(State, line_index, line, y)
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love.graphics.print(line.section_stack[i].name, x, y+5, --[[vertically]] math.pi/2)
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end
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if y > App.screen.height-log_browser.height(State, line_index) then
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love.graphics.print(line.section_stack[i].name, x, App.screen.height-App.width(line.section_stack[i].name)-5, --[[vertically]] math.pi/2)
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love.graphics.print(line.section_stack[i].name, x, App.screen.height-State.font:getWidth(line.section_stack[i].name)-5, --[[vertically]] math.pi/2)
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end
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end
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return log_browser.right_margin(State, line)
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1
main.lua
1
main.lua
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@ -329,6 +329,7 @@ function App.wheelmoved(dx,dy)
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end
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function love.quit()
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if Disable_all_quit_handlers then return end
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if current_app_is_warning() then return end
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if Current_app == 'run' then
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local source_settings = Settings.source
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@ -13,7 +13,7 @@ function Text.draw_search_bar(State)
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love.graphics.rectangle('line', 20, y-6, App.screen.width-40, h+2, 2,2)
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App.color(Text_color)
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App.screen.print(State.search_term, 25,y-5)
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Text.draw_cursor(State, 25+App.width(State.search_term),y-5)
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Text.draw_cursor(State, 25+State.font:getWidth(State.search_term),y-5)
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end
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function Text.search_next(State)
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@ -57,11 +57,11 @@ function Text.draw_highlight(State, line, x,y, pos, lo,hi)
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lo_px = 0
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else
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local before = line.data:sub(pos_offset, lo_offset-1)
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lo_px = App.width(before)
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lo_px = State.font:getWidth(before)
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end
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local s = line.data:sub(lo_offset, hi_offset-1)
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App.color(Highlight_color)
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love.graphics.rectangle('fill', x+lo_px,y, App.width(s),State.line_height)
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love.graphics.rectangle('fill', x+lo_px,y, State.font:getWidth(s),State.line_height)
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App.color(Text_color)
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return lo_px
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end
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@ -126,7 +126,7 @@ function source.load_settings()
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if Show_log_browser_side then
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right = App.screen.width/2 - Margin_right
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end
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*App.width('m'), right, font, settings.font_height, math.floor(settings.font_height*1.3))
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), right, font, settings.font_height, math.floor(settings.font_height*1.3))
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Editor_state.filename = settings.filename
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Editor_state.filename = basename(Editor_state.filename) -- migrate settings that used full paths; we now support only relative paths within the app
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if settings.cursors then
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@ -154,7 +154,7 @@ function source.initialize_default_settings()
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local font_height = 20
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local font = love.graphics.newFont(font_height)
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source.initialize_window_geometry()
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*App.width('m'), App.screen.width-Margin_right, font, font_height, math.floor(font_height*1.3))
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Editor_state = edit.initialize_state(Margin_top, Margin_left + Line_number_width*font:getWidth('m'), App.screen.width-Margin_right, font, font_height, math.floor(font_height*1.3))
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Editor_state.filename = 'run.lua'
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end
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@ -94,7 +94,7 @@ function edit.initialize_state(top, left, right, font, font_height, line_height)
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right = math.floor(right),
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width = right-left,
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filename = love.filesystem.getSourceBaseDirectory()..'/lines.txt', -- '/' should work even on Windows
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filename = 'run.lua',
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next_save = nil,
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-- undo
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@ -57,11 +57,11 @@ function Text.draw_highlight(State, line, x,y, pos, lo,hi)
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lo_px = 0
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else
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local before = line.data:sub(pos_offset, lo_offset-1)
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lo_px = App.width(before)
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lo_px = State.font:getWidth(before)
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end
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local s = line.data:sub(lo_offset, hi_offset-1)
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App.color(Highlight_color)
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love.graphics.rectangle('fill', x+lo_px,y, App.width(s),State.line_height)
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love.graphics.rectangle('fill', x+lo_px,y, State.font:getWidth(s),State.line_height)
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App.color(Text_color)
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return lo_px
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end
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@ -14,7 +14,7 @@ function Text.draw(State, line_index, y, startpos, hide_cursor, show_line_number
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Text.populate_link_offsets(State, line_index)
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if show_line_numbers then
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App.color(Line_number_color)
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love.graphics.print(line_index, State.left-Line_number_width*App.width('m')+10,y)
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love.graphics.print(line_index, State.left-Line_number_width*State.font:getWidth('m')+10,y)
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end
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initialize_color()
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assert(#line_cache.screen_line_starting_pos >= 1, 'line cache missing screen line info')
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@ -32,7 +32,7 @@ function Text.draw(State, line_index, y, startpos, hide_cursor, show_line_number
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for _,link_offsets in ipairs(line_cache.link_offsets) do
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-- render link decorations
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local s,e,filename = unpack(link_offsets)
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local lo, hi = Text.clip_wikiword_with_screen_line(line, line_cache, i, s, e)
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local lo, hi = Text.clip_wikiword_with_screen_line(State.font, line, line_cache, i, s, e)
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if lo then
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button(State, 'link', {x=State.left+lo, y=y, w=hi-lo, h=State.line_height,
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icon = icon.hyperlink_decoration,
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@ -62,12 +62,12 @@ function Text.draw(State, line_index, y, startpos, hide_cursor, show_line_number
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end
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elseif Focus == 'edit' then
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if pos <= State.cursor1.pos and pos + frag_len > State.cursor1.pos then
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Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
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Text.draw_cursor(State, State.left+Text.x(State.font, screen_line, State.cursor1.pos-pos+1), y)
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elseif pos + frag_len == State.cursor1.pos then
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-- Show cursor at end of line.
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-- This place also catches end of wrapping screen lines. That doesn't seem worth distinguishing.
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-- It seems useful to see a cursor whether your eye is on the left or right margin.
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Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
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Text.draw_cursor(State, State.left+Text.x(State.font, screen_line, State.cursor1.pos-pos+1), y)
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end
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end
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end
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@ -76,7 +76,7 @@ function Text.draw(State, line_index, y, startpos, hide_cursor, show_line_number
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for frag in screen_line:gmatch('%S*%s*') do
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select_color(frag)
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App.screen.print(frag, x,y)
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x = x+App.width(frag)
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x = x+State.font:getWidth(frag)
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end
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y = y + State.line_height
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if y >= App.screen.height then
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@ -120,14 +120,14 @@ function Text.populate_screen_line_starting_pos(State, line_index)
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local pos = 1
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-- try to wrap at word boundaries
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for frag in line.data:gmatch('%S*%s*') do
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local frag_width = App.width(frag)
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local frag_width = State.font:getWidth(frag)
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--? print('-- frag:', frag, pos, x, frag_width, State.width)
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while x + frag_width > State.width do
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--? print('frag:', frag, pos, x, frag_width, State.width)
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if x < 0.8 * State.width then
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-- long word; chop it at some letter
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-- We're not going to reimplement TeX here.
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local bpos = Text.nearest_pos_less_than(frag, State.width - x)
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local bpos = Text.nearest_pos_less_than(State.font, frag, State.width - x)
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if x == 0 and bpos == 0 then
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assert(false, ("Infinite loop while line-wrapping. Editor is %dpx wide; window is %dpx wide"):format(State.width, App.screen.width))
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end
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@ -137,7 +137,7 @@ function Text.populate_screen_line_starting_pos(State, line_index)
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--? if bpos > 0 then
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--? print('after chop:', frag)
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--? end
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frag_width = App.width(frag)
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frag_width = State.font:getWidth(frag)
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end
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--? print('screen line:', pos)
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table.insert(line_cache.screen_line_starting_pos, pos)
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@ -172,7 +172,7 @@ end
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-- Intersect the filename between byte offsets s,e with the bounds of screen line i.
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-- Return the left/right pixel coordinates of of the intersection,
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-- or nil if it doesn't intersect with screen line i.
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function Text.clip_wikiword_with_screen_line(line, line_cache, i, s, e)
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function Text.clip_wikiword_with_screen_line(font, line, line_cache, i, s, e)
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local spos = line_cache.screen_line_starting_pos[i]
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local soff = Text.offset(line.data, spos)
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if e < soff then
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@ -194,7 +194,7 @@ function Text.clip_wikiword_with_screen_line(line, line_cache, i, s, e)
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hoff = e
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end
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--? print(s, e, soff, eoff, loff, hoff)
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return App.width(line.data:sub(soff, loff-1)), App.width(line.data:sub(soff, hoff))
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return font:getWidth(line.data:sub(soff, loff-1)), font:getWidth(line.data:sub(soff, hoff))
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end
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function Text.text_input(State, t)
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@ -481,7 +481,7 @@ function Text.up(State)
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screen_line_starting_pos = screen_line_starting_pos[#screen_line_starting_pos]
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local screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, screen_line_starting_pos)
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local s = string.sub(State.lines[State.cursor1.line].data, screen_line_starting_byte_offset)
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State.cursor1.pos = screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
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State.cursor1.pos = screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
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break
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end
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end
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@ -491,7 +491,7 @@ function Text.up(State)
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local new_screen_line_starting_pos = State.line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]
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local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
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local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
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State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
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State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
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--? print('cursor pos is now '..tostring(State.cursor1.pos))
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end
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if Text.lt1(State.cursor1, State.screen_top1) then
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@ -516,7 +516,7 @@ function Text.down(State)
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if State.lines[new_cursor_line].mode == 'text' then
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State.cursor1 = {
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line = new_cursor_line,
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pos = Text.nearest_cursor_pos(State.lines[new_cursor_line].data, State.cursor_x, State.left),
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pos = Text.nearest_cursor_pos(State.font, State.lines[new_cursor_line].data, State.cursor_x, State.left),
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}
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--? print(State.cursor1.pos)
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break
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@ -538,7 +538,7 @@ function Text.down(State)
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--? print('switching pos of screen line at cursor from '..tostring(screen_line_starting_pos)..' to '..tostring(new_screen_line_starting_pos))
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local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
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local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
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State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
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State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
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--? print('cursor pos is now', State.cursor1.line, State.cursor1.pos)
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if scroll_down then
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--? print('scroll up preserving cursor')
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@ -801,8 +801,8 @@ function Text.to_pos_on_line(State, line_index, mx, my)
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return line_cache.screen_line_starting_pos[screen_line_index+1]-1
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end
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local s = string.sub(line.data, screen_line_starting_byte_offset)
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--? print('return', mx, Text.nearest_cursor_pos(s, mx, State.left), '=>', screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1)
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return screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1
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--? print('return', mx, Text.nearest_cursor_pos(State.font, s, mx, State.left), '=>', screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, mx, State.left) - 1)
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return screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, mx, State.left) - 1
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end
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y = nexty
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end
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@ -822,7 +822,7 @@ function Text.screen_line_width(State, line_index, i)
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else
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screen_line = string.sub(line.data, start_pos)
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end
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return App.width(screen_line)
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return State.font:getWidth(screen_line)
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end
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function Text.screen_line_index(screen_line_starting_pos, pos)
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@ -836,12 +836,12 @@ end
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-- convert x pixel coordinate to pos
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-- oblivious to wrapping
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-- result: 1 to len+1
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function Text.nearest_cursor_pos(line, x, left)
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function Text.nearest_cursor_pos(font, line, x, left)
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if x < left then
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return 1
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end
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local len = utf8.len(line)
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local max_x = left+Text.x(line, len+1)
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local max_x = left+Text.x(font, line, len+1)
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if x > max_x then
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return len+1
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end
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@ -853,8 +853,8 @@ function Text.nearest_cursor_pos(line, x, left)
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return leftpos
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end
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local curr = math.floor((leftpos+rightpos)/2)
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local currxmin = left+Text.x(line, curr)
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local currxmax = left+Text.x(line, curr+1)
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local currxmin = left+Text.x(font, line, curr)
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local currxmax = left+Text.x(font, line, curr+1)
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--? print('nearest', x, leftpos, rightpos, curr, currxmin, currxmax)
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if currxmin <= x and x < currxmax then
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if x-currxmin < currxmax-x then
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@ -878,18 +878,18 @@ end
|
|||
-- return the nearest index of line (in utf8 code points) which lies entirely
|
||||
-- within x pixels of the left margin
|
||||
-- result: 0 to len+1
|
||||
function Text.nearest_pos_less_than(line, x)
|
||||
function Text.nearest_pos_less_than(font, line, x)
|
||||
--? print('', '-- nearest_pos_less_than', line, x)
|
||||
local len = utf8.len(line)
|
||||
local max_x = Text.x_after(line, len)
|
||||
local max_x = Text.x_after(font, line, len)
|
||||
if x > max_x then
|
||||
return len+1
|
||||
end
|
||||
local left, right = 0, len+1
|
||||
while true do
|
||||
local curr = math.floor((left+right)/2)
|
||||
local currxmin = Text.x_after(line, curr+1)
|
||||
local currxmax = Text.x_after(line, curr+2)
|
||||
local currxmin = Text.x_after(font, line, curr+1)
|
||||
local currxmax = Text.x_after(font, line, curr+2)
|
||||
--? print('', x, left, right, curr, currxmin, currxmax)
|
||||
if currxmin <= x and x < currxmax then
|
||||
return curr
|
||||
|
@ -906,18 +906,18 @@ function Text.nearest_pos_less_than(line, x)
|
|||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
function Text.x_after(s, pos)
|
||||
function Text.x_after(font, s, pos)
|
||||
local len = utf8.len(s)
|
||||
local offset = Text.offset(s, math.min(pos+1, len+1))
|
||||
local s_before = s:sub(1, offset-1)
|
||||
--? print('^'..s_before..'$')
|
||||
return App.width(s_before)
|
||||
return font:getWidth(s_before)
|
||||
end
|
||||
|
||||
function Text.x(s, pos)
|
||||
function Text.x(font, s, pos)
|
||||
local offset = Text.offset(s, pos)
|
||||
local s_before = s:sub(1, offset-1)
|
||||
return App.width(s_before)
|
||||
return font:getWidth(s_before)
|
||||
end
|
||||
|
||||
function Text.to2(State, loc1)
|
||||
|
|
48
text.lua
48
text.lua
|
@ -41,12 +41,12 @@ function Text.draw(State, line_index, y, startpos)
|
|||
end
|
||||
else
|
||||
if pos <= State.cursor1.pos and pos + frag_len > State.cursor1.pos then
|
||||
Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
|
||||
Text.draw_cursor(State, State.left+Text.x(State.font, screen_line, State.cursor1.pos-pos+1), y)
|
||||
elseif pos + frag_len == State.cursor1.pos then
|
||||
-- Show cursor at end of line.
|
||||
-- This place also catches end of wrapping screen lines. That doesn't seem worth distinguishing.
|
||||
-- It seems useful to see a cursor whether your eye is on the left or right margin.
|
||||
Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
|
||||
Text.draw_cursor(State, State.left+Text.x(State.font, screen_line, State.cursor1.pos-pos+1), y)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
@ -94,14 +94,14 @@ function Text.populate_screen_line_starting_pos(State, line_index)
|
|||
local pos = 1
|
||||
-- try to wrap at word boundaries
|
||||
for frag in line.data:gmatch('%S*%s*') do
|
||||
local frag_width = App.width(frag)
|
||||
local frag_width = State.font:getWidth(frag)
|
||||
--? print('-- frag:', frag, pos, x, frag_width, State.width)
|
||||
while x + frag_width > State.width do
|
||||
--? print('frag:', frag, pos, x, frag_width, State.width)
|
||||
if x < 0.8 * State.width then
|
||||
-- long word; chop it at some letter
|
||||
-- We're not going to reimplement TeX here.
|
||||
local bpos = Text.nearest_pos_less_than(frag, State.width - x)
|
||||
local bpos = Text.nearest_pos_less_than(State.font, frag, State.width - x)
|
||||
if x == 0 and bpos == 0 then
|
||||
assert(false, ("Infinite loop while line-wrapping. Editor is %dpx wide; window is %dpx wide"):format(State.width, App.screen.width))
|
||||
end
|
||||
|
@ -111,7 +111,7 @@ function Text.populate_screen_line_starting_pos(State, line_index)
|
|||
--? if bpos > 0 then
|
||||
--? print('after chop:', frag)
|
||||
--? end
|
||||
frag_width = App.width(frag)
|
||||
frag_width = State.font:getWidth(frag)
|
||||
end
|
||||
--? print('screen line:', pos)
|
||||
table.insert(line_cache.screen_line_starting_pos, pos)
|
||||
|
@ -403,7 +403,7 @@ function Text.up(State)
|
|||
screen_line_starting_pos = screen_line_starting_pos[#screen_line_starting_pos]
|
||||
local screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, screen_line_starting_pos)
|
||||
local s = string.sub(State.lines[State.cursor1.line].data, screen_line_starting_byte_offset)
|
||||
State.cursor1.pos = screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
|
||||
State.cursor1.pos = screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
|
||||
end
|
||||
else
|
||||
-- move up one screen line in current line
|
||||
|
@ -411,7 +411,7 @@ function Text.up(State)
|
|||
local new_screen_line_starting_pos = State.line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]
|
||||
local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
|
||||
local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
|
||||
State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
|
||||
State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
|
||||
--? print('cursor pos is now '..tostring(State.cursor1.pos))
|
||||
end
|
||||
if Text.lt1(State.cursor1, State.screen_top1) then
|
||||
|
@ -432,7 +432,7 @@ function Text.down(State)
|
|||
if State.cursor1.line < #State.lines then
|
||||
local new_cursor_line = State.cursor1.line+1
|
||||
State.cursor1.line = new_cursor_line
|
||||
State.cursor1.pos = Text.nearest_cursor_pos(State.lines[State.cursor1.line].data, State.cursor_x, State.left)
|
||||
State.cursor1.pos = Text.nearest_cursor_pos(State.font, State.lines[State.cursor1.line].data, State.cursor_x, State.left)
|
||||
--? print(State.cursor1.pos)
|
||||
end
|
||||
if State.cursor1.line > State.screen_bottom1.line then
|
||||
|
@ -451,7 +451,7 @@ function Text.down(State)
|
|||
--? print('switching pos of screen line at cursor from '..tostring(screen_line_starting_pos)..' to '..tostring(new_screen_line_starting_pos))
|
||||
local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
|
||||
local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
|
||||
State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(s, State.cursor_x, State.left) - 1
|
||||
State.cursor1.pos = new_screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, State.cursor_x, State.left) - 1
|
||||
--? print('cursor pos is now', State.cursor1.line, State.cursor1.pos)
|
||||
if scroll_down then
|
||||
--? print('scroll up preserving cursor')
|
||||
|
@ -665,8 +665,8 @@ function Text.to_pos_on_line(State, line_index, mx, my)
|
|||
return line_cache.screen_line_starting_pos[screen_line_index+1]-1
|
||||
end
|
||||
local s = string.sub(line.data, screen_line_starting_byte_offset)
|
||||
--? print('return', mx, Text.nearest_cursor_pos(s, mx, State.left), '=>', screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1)
|
||||
return screen_line_starting_pos + Text.nearest_cursor_pos(s, mx, State.left) - 1
|
||||
--? print('return', mx, Text.nearest_cursor_pos(State.font, s, mx, State.left), '=>', screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, mx, State.left) - 1)
|
||||
return screen_line_starting_pos + Text.nearest_cursor_pos(State.font, s, mx, State.left) - 1
|
||||
end
|
||||
y = nexty
|
||||
end
|
||||
|
@ -686,7 +686,7 @@ function Text.screen_line_width(State, line_index, i)
|
|||
else
|
||||
screen_line = string.sub(line.data, start_pos)
|
||||
end
|
||||
return App.width(screen_line)
|
||||
return State.font:getWidth(screen_line)
|
||||
end
|
||||
|
||||
function Text.screen_line_index(screen_line_starting_pos, pos)
|
||||
|
@ -700,12 +700,12 @@ end
|
|||
-- convert x pixel coordinate to pos
|
||||
-- oblivious to wrapping
|
||||
-- result: 1 to len+1
|
||||
function Text.nearest_cursor_pos(line, x, left)
|
||||
function Text.nearest_cursor_pos(font, line, x, left)
|
||||
if x < left then
|
||||
return 1
|
||||
end
|
||||
local len = utf8.len(line)
|
||||
local max_x = left+Text.x(line, len+1)
|
||||
local max_x = left+Text.x(font, line, len+1)
|
||||
if x > max_x then
|
||||
return len+1
|
||||
end
|
||||
|
@ -717,8 +717,8 @@ function Text.nearest_cursor_pos(line, x, left)
|
|||
return leftpos
|
||||
end
|
||||
local curr = math.floor((leftpos+rightpos)/2)
|
||||
local currxmin = left+Text.x(line, curr)
|
||||
local currxmax = left+Text.x(line, curr+1)
|
||||
local currxmin = left+Text.x(font, line, curr)
|
||||
local currxmax = left+Text.x(font, line, curr+1)
|
||||
--? print('nearest', x, leftpos, rightpos, curr, currxmin, currxmax)
|
||||
if currxmin <= x and x < currxmax then
|
||||
if x-currxmin < currxmax-x then
|
||||
|
@ -742,18 +742,18 @@ end
|
|||
-- return the nearest index of line (in utf8 code points) which lies entirely
|
||||
-- within x pixels of the left margin
|
||||
-- result: 0 to len+1
|
||||
function Text.nearest_pos_less_than(line, x)
|
||||
function Text.nearest_pos_less_than(font, line, x)
|
||||
--? print('', '-- nearest_pos_less_than', line, x)
|
||||
local len = utf8.len(line)
|
||||
local max_x = Text.x_after(line, len)
|
||||
local max_x = Text.x_after(font, line, len)
|
||||
if x > max_x then
|
||||
return len+1
|
||||
end
|
||||
local left, right = 0, len+1
|
||||
while true do
|
||||
local curr = math.floor((left+right)/2)
|
||||
local currxmin = Text.x_after(line, curr+1)
|
||||
local currxmax = Text.x_after(line, curr+2)
|
||||
local currxmin = Text.x_after(font, line, curr+1)
|
||||
local currxmax = Text.x_after(font, line, curr+2)
|
||||
--? print('', x, left, right, curr, currxmin, currxmax)
|
||||
if currxmin <= x and x < currxmax then
|
||||
return curr
|
||||
|
@ -770,18 +770,18 @@ function Text.nearest_pos_less_than(line, x)
|
|||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
function Text.x_after(s, pos)
|
||||
function Text.x_after(font, s, pos)
|
||||
local len = utf8.len(s)
|
||||
local offset = Text.offset(s, math.min(pos+1, len+1))
|
||||
local s_before = s:sub(1, offset-1)
|
||||
--? print('^'..s_before..'$')
|
||||
return App.width(s_before)
|
||||
return font:getWidth(s_before)
|
||||
end
|
||||
|
||||
function Text.x(s, pos)
|
||||
function Text.x(font, s, pos)
|
||||
local offset = Text.offset(s, pos)
|
||||
local s_before = s:sub(1, offset-1)
|
||||
return App.width(s_before)
|
||||
return font:getWidth(s_before)
|
||||
end
|
||||
|
||||
function Text.to2(State, loc1)
|
||||
|
|
Loading…
Reference in New Issue