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overlay keyboard shortcuts on top of links

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This is example of user interface discussed in #309
This commit is contained in:
Dobrica Pavlinusic
2012-09-24 20:26:55 +02:00
parent 2774350ec6
commit f2eeca73aa
1 changed files with 50 additions and 1 deletions
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51
unireader.lua
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@@ -2867,12 +2867,61 @@ function UniReader:addAllCommands()
if next(links) == nil then
showInfoMsgWithDelay("No links on this page", 2000, 1)
else
local font_size = math.ceil( (links[1].y1 - links[1].y0) * 1.6 )
Debug("font_size",font_size)
Debug("shortcuts",SelectMenu.item_shortcuts)
local face = Font:getFace("rifont", font_size)
for i, link in ipairs(links) do
Debug("link", i, link)
local x,y,w,h = self:zoomedRectCoordTransform( link.x0,link.y0, link.x1,link.y1 )
fb.bb:invertRect(x,y, w,h)
Debug("box",x,y,w,h)
fb.bb:dimRect(x,y,w,h) -- black 50%
fb.bb:dimRect(x,y,w,h) -- black 25%
renderUtf8Text(fb.bb, x + w - font_size, y + font_size, face, SelectMenu.item_shortcuts[i])
fb:refresh(1, x,y, w,h)
end
local goto_page = nil
while not goto_page do
local ev = input.saveWaitForEvent()
ev.code = adjustKeyEvents(ev)
Debug("ev",ev)
local link = nil
if ev.type == EV_KEY and ev.value ~= EVENT_VALUE_KEY_RELEASE then
if ev.code >= KEY_Q and ev.code <= KEY_P then
link = ev.code - KEY_Q + 1
elseif ev.code >= KEY_A and ev.code <= KEY_L then
link = ev.code - KEY_A + 11
elseif ev.code == KEY_SLASH then
link = 20
elseif ev.code >= KEY_Z and ev.code <= KEY_M then
link = ev.code - KEY_Z + 21
elseif ev.code == KEY_DOT then
link = 29
elseif ev.code == KEY_SYM then
link = 30
elseif ev.code == KEY_BACK then
goto_page = unireader.pageno
end
end
if link then
goto_page = links[ link ].page + 1
end
Debug("goto_page", goto_page, "now on", unireader.pageno, "link", link)
end
unireader:goto(goto_page)
end
end
)