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-rw-r--r--src/Xmobar/X11/Boxes.hs52
-rw-r--r--src/Xmobar/X11/CairoDraw.hs60
2 files changed, 65 insertions, 47 deletions
diff --git a/src/Xmobar/X11/Boxes.hs b/src/Xmobar/X11/Boxes.hs
new file mode 100644
index 0000000..c0eeeed
--- /dev/null
+++ b/src/Xmobar/X11/Boxes.hs
@@ -0,0 +1,52 @@
+------------------------------------------------------------------------------
+-- |
+-- Module: Xmobar.X11.Boxes
+-- Copyright: (c) 2022 Jose Antonio Ortega Ruiz
+-- License: BSD3-style (see LICENSE)
+--
+-- Maintainer: jao@gnu.org
+-- Stability: unstable
+-- Portability: unportable
+--Start date: Fri Sep 16, 2022 04:01
+--
+-- Borders and boxes
+--
+------------------------------------------------------------------------------
+
+module Xmobar.X11.Boxes (boxLines, borderRect) where
+
+import Xmobar.Run.Parsers
+import Xmobar.Config.Types
+
+boxLines :: Box -> Double -> Double -> Double -> [(Double, Double, Double, Double)]
+boxLines (Box bd offset lw _ margins) ht x0 x1 =
+ case bd of
+ BBTop -> [rtop]; BBBottom -> [rbot]; BBVBoth -> [rtop, rbot]
+ BBLeft -> [rleft]; BBRight -> [rright]; BBHBoth -> [rleft, rright]
+ BBFull -> [rtop, rbot, rleft, rright]
+ where (BoxMargins top right bot left) = margins
+ (BoxOffset align m) = offset
+ ma = fromIntegral m
+ (p0, p1) = case align of L -> (0, -ma); C -> (ma, -ma); R -> (ma, 0)
+ lc = fromIntegral lw / 2
+ [mt, mr, mb, ml] = map fromIntegral [top, right, bot, left]
+ xmin = x0 - ml - lc
+ xmax = x1 + mr + lc
+ ymin = mt + lc
+ ymax = ht - mb - lc
+ rtop = (xmin + p0, ymin, xmax + p1, ymin)
+ rbot = (xmin + p0, ymax, xmax + p1, ymax)
+ rleft = (xmin, ymin + p0, xmin, ymax + p1)
+ rright = (xmax, ymin + p0, xmax, ymax + p1)
+
+borderRect :: Border -> Double -> Double -> (Double, Double, Double, Double)
+borderRect bdr w h =
+ case bdr of
+ TopB -> (0, 0, w - 1, 0)
+ BottomB -> (0, h - 1, w - 1, 0)
+ FullB -> (0, 0, w - 1, h - 1)
+ TopBM m -> (0, fi m, w - 1, 0)
+ BottomBM m -> (0, h - fi m, w - 1, 0)
+ FullBM m -> (fi m, fi m, w - 2 * fi m, h - 2 * fi m)
+ NoBorder -> (-1, -1, -1, -1)
+ where fi = fromIntegral
diff --git a/src/Xmobar/X11/CairoDraw.hs b/src/Xmobar/X11/CairoDraw.hs
index 102e4ad..b90b2f8 100644
--- a/src/Xmobar/X11/CairoDraw.hs
+++ b/src/Xmobar/X11/CairoDraw.hs
@@ -43,6 +43,7 @@ import Xmobar.Run.Parsers (Segment
import Xmobar.Config.Types
import Xmobar.Text.Pango (fixXft)
import Xmobar.X11.Types
+import Xmobar.X11.Boxes (boxLines, borderRect)
import qualified Xmobar.X11.Bitmap as B
#ifdef XRENDER
import Xmobar.X11.XRender (drawBackground)
@@ -106,13 +107,6 @@ setSourceColor (colour, alph) =
g = SRGB.channelGreen rgb
b = SRGB.channelBlue rgb
-renderRect :: String -> Double -> (Double, Double, Double, Double) -> C.Render ()
-renderRect color wd (x0, y0, w, h) = do
- setSourceColor (readColourName color)
- C.setLineWidth wd
- C.rectangle x0 y0 w h
- C.stroke
-
renderLines :: String -> Double -> [(Double, Double, Double, Double)] -> C.Render ()
renderLines color wd lns = do
setSourceColor (readColourName color)
@@ -155,27 +149,6 @@ withRenderinfo _ dctx seg@(Icon p, _, _, _) = do
draw _ off mx = when (off + wd <= mx) $ dcBitmapDrawer dctx off vpos p
return (seg, draw, wd)
-boxLines :: Box -> Double -> Double -> Double -> [(Double, Double, Double, Double)]
-boxLines (Box bd offset lw _ margins) ht x0 x1 =
- case bd of
- BBTop -> [rtop]; BBBottom -> [rbot]; BBVBoth -> [rtop, rbot]
- BBLeft -> [rleft]; BBRight -> [rright]; BBHBoth -> [rleft, rright]
- BBFull -> [rtop, rbot, rleft, rright]
- where (BoxMargins top right bot left) = margins
- (BoxOffset align m) = offset
- ma = fromIntegral m
- (p0, p1) = case align of L -> (0, -ma); C -> (ma, -ma); R -> (ma, 0)
- lc = fromIntegral lw / 2
- [mt, mr, mb, ml] = map fromIntegral [top, right, bot, left]
- xmin = x0 - ml - lc
- xmax = x1 + mr + lc
- ymin = mt + lc
- ymax = ht - mb - lc
- rtop = (xmin + p0, ymin, xmax + p1, ymin)
- rbot = (xmin + p0, ymax, xmax + p1, ymax)
- rleft = (xmin, ymin + p0, xmin, ymax + p1)
- rright = (xmax, ymin + p0, xmax, ymax + p1)
-
drawBox :: DrawContext -> Surface -> Double -> Double -> Box -> IO ()
drawBox dctx surf x0 x1 box@(Box _ _ w color _) =
C.renderWith surf $
@@ -194,8 +167,8 @@ drawSegmentBackground dctx surf info x0 x1 =
top = fromIntegral $ tBgTopOffset info
bot = fromIntegral $ tBgBottomOffset info
-type Boxes = [(Double, Double, [Box])]
-type SegAcc = (Double, Actions, Boxes)
+type BoundedBoxes = [(Double, Double, [Box])]
+type SegAcc = (Double, Actions, BoundedBoxes)
drawSegment :: DrawContext -> Surface -> Double -> SegAcc -> Renderinfo -> IO SegAcc
drawSegment dctx surface maxoff (off, acts, boxs) (segment, render, lwidth) = do
@@ -209,17 +182,12 @@ drawSegment dctx surface maxoff (off, acts, boxs) (segment, render, lwidth) = do
return (off + lwidth, acts', boxs')
renderOuterBorder :: Config -> Double -> Double -> C.Render ()
-renderOuterBorder conf w h = do
- let r = case border conf of
- TopB -> (0, 0, w - 1, 0)
- BottomB -> (0, h - 1, w - 1, h - 1)
- FullB -> (0, 0, w - 1, h - 1)
- TopBM m -> (0, fi m, w - 1, fi m)
- BottomBM m -> (0, h - fi m, w - 1, h - fi m)
- FullBM m -> (fi m, fi m, w - fi m - 1, h - fi m - 1)
- NoBorder -> (-1, -1, -1, -1)
- renderRect (borderColor conf) (fi (borderWidth conf)) r
- where fi = fromIntegral
+renderOuterBorder conf mw mh = do
+ let (x0, y0, w, h) = borderRect (border conf) mw mh
+ setSourceColor (readColourName (borderColor conf))
+ C.setLineWidth (fromIntegral (borderWidth conf))
+ C.rectangle x0 y0 w h
+ C.stroke
drawBorder :: Config -> Double -> Double -> Surface -> IO ()
drawBorder conf w h surf =
@@ -227,13 +195,10 @@ drawBorder conf w h surf =
NoBorder -> return ()
_ -> C.renderWith surf (renderOuterBorder conf w h)
-layoutsWidth :: [Renderinfo] -> Double
-layoutsWidth = foldl (\a (_,_,w) -> a + w) 0
-
drawBoxes' :: DrawContext -> Surface -> (Double, Double, [Box]) -> IO ()
drawBoxes' dctx surf (from, to, bs) = mapM_ (drawBox dctx surf from to) bs
-drawBoxes :: DrawContext -> Surface -> Boxes -> IO ()
+drawBoxes :: DrawContext -> Surface -> BoundedBoxes -> IO ()
drawBoxes dctx surf ((from, to, b):(from', to', b'):bxs) =
if to < from' || b /= b'
then do drawBoxes' dctx surf (from, to, b)
@@ -257,6 +222,7 @@ drawSegments dctx surf = do
dh = dcHeight dctx
dw = dcWidth dctx
conf = dcConfig dctx
+ sWidth = foldl (\a (_,_,w) -> a + w) 0
ctx <- P.cairoCreateContext Nothing
llyts <- mapM (withRenderinfo ctx dctx) left
rlyts <- mapM (withRenderinfo ctx dctx) right
@@ -265,10 +231,10 @@ drawSegments dctx surf = do
drawCairoBackground dctx surf
#endif
(lend, as, bx) <- foldM (drawSegment dctx surf dw) (0, [], []) llyts
- let rw = layoutsWidth rlyts
+ let rw = sWidth rlyts
rstart = max (lend + 1) (dw - rw - 1)
cmax = rstart - 1
- cw = layoutsWidth clyts
+ cw = sWidth clyts
cstart = lend + 1 + max 0 (dw - rw - lend - cw) / 2.0
(_, as', bx') <- foldM (drawSegment dctx surf cmax) (cstart, as, bx) clyts
(_, as'', bx'') <- foldM (drawSegment dctx surf dw) (rstart, as', bx') rlyts
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 23:46:47 +0000