diff options
Diffstat (limited to 'apps/tile')
| -rw-r--r-- | apps/tile/data.mu | 2 | ||||
| -rw-r--r-- | apps/tile/environment.mu | 73 |
2 files changed, 54 insertions, 21 deletions
diff --git a/apps/tile/data.mu b/apps/tile/data.mu index dada0b5b..2e18908c 100644 --- a/apps/tile/data.mu +++ b/apps/tile/data.mu @@ -3,6 +3,8 @@ type sandbox { data: (handle line) # display data cursor-call-path: (handle call-path-element) + cursor-row: int + cursor-col: int expanded-words: (handle call-path) partial-name-for-cursor-word: (handle word) # only when renaming word partial-name-for-function: (handle word) # only when defining function diff --git a/apps/tile/environment.mu b/apps/tile/environment.mu index 6772c6c9..7fd01230 100644 --- a/apps/tile/environment.mu +++ b/apps/tile/environment.mu @@ -1,3 +1,18 @@ +# The architecture that seems to be crystallizing: the environment has two +# areas: functions and sandbox. +# +# Rendering the environment requires rendering all areas. +# Displaying the cursor requires displaying cursor for the area controlling the cursor. +# Processing events for the environment requires processing events for the area controlling the cursor. +# +# Areas can have dialogs. +# There can also be global dialogs (currently just one: goto function). +# Areas are responsible for rendering their dialogs. +# In practice this results in dialogs encapsulating the state they need to +# decide whether to render. +# +# This will be useful if we add more areas in the future. + type environment { screen: (handle screen) functions: (handle function) @@ -1085,6 +1100,17 @@ fn render _env: (addr environment) { #? print-string 0, "render-sandbox }\n" # dialogs render-goto-dialog screen, env + # + position-cursor screen, env +} + +fn position-cursor screen: (addr screen), _env: (addr environment) { + var env/eax: (addr environment) <- copy _env + var cursor-sandbox-ah/eax: (addr handle sandbox) <- get env, cursor-sandbox + var cursor-sandbox/eax: (addr sandbox) <- lookup *cursor-sandbox-ah + var cursor-row/ecx: (addr int) <- get cursor-sandbox, cursor-row + var cursor-col/eax: (addr int) <- get cursor-sandbox, cursor-col + move-cursor screen, *cursor-row, *cursor-col } fn render-goto-dialog screen: (addr screen), _env: (addr environment) { @@ -1135,13 +1161,11 @@ fn render-sandbox screen: (addr screen), functions: (addr handle function), bind # var curr-row/edx: int <- copy top-row # cursor row, col - var cursor-row: int var cursor-row-addr: (addr int) - var tmp/eax: (addr int) <- address cursor-row + var tmp/eax: (addr int) <- get sandbox, cursor-row copy-to cursor-row-addr, tmp - var cursor-col: int var cursor-col-addr: (addr int) - tmp <- address cursor-col + tmp <- get sandbox, cursor-col copy-to cursor-col-addr, tmp # render all but final line without stack #? print-string 0, "render all but final line\n" @@ -1165,9 +1189,8 @@ fn render-sandbox screen: (addr screen), functions: (addr handle function), bind # render-final-line-with-stack screen, functions, bindings, sandbox, curr-row, left-col, cursor-row-addr, cursor-col-addr # at most one of the following dialogs will be rendered - render-rename-dialog screen, sandbox, cursor-row, cursor-col - render-define-dialog screen, sandbox, cursor-row, cursor-col - move-cursor screen, cursor-row, cursor-col + render-rename-dialog screen, sandbox + render-define-dialog screen, sandbox } fn render-final-line-with-stack screen: (addr screen), functions: (addr handle function), bindings: (addr table), _sandbox: (addr sandbox), top-row: int, left-col: int, cursor-row-addr: (addr int), cursor-col-addr: (addr int) { @@ -1222,20 +1245,22 @@ fn final-line _sandbox: (addr sandbox), out: (addr handle line) { copy-object curr-line-ah, out } -fn render-rename-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int { +fn render-rename-dialog screen: (addr screen), _sandbox: (addr sandbox) { var sandbox/edi: (addr sandbox) <- copy _sandbox var rename-word-mode-ah?/ecx: (addr handle word) <- get sandbox, partial-name-for-cursor-word var rename-word-mode?/eax: (addr word) <- lookup *rename-word-mode-ah? compare rename-word-mode?, 0 # false break-if-= # clear a space for the dialog - var top-row/eax: int <- copy cursor-row + var cursor-row/ebx: (addr int) <- get sandbox, cursor-row + var top-row/eax: int <- copy *cursor-row top-row <- subtract 3 - var bottom-row/ecx: int <- copy cursor-row + var bottom-row/ecx: int <- copy *cursor-row bottom-row <- add 3 - var left-col/edx: int <- copy cursor-col + var cursor-col/ebx: (addr int) <- get sandbox, cursor-col + var left-col/edx: int <- copy *cursor-col left-col <- subtract 0x10 - var right-col/ebx: int <- copy cursor-col + var right-col/ebx: int <- copy *cursor-col right-col <- add 0x10 clear-rect screen, top-row, left-col, bottom-row, right-col draw-box screen, top-row, left-col, bottom-row, right-col @@ -1254,30 +1279,34 @@ fn render-rename-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor- reset-formatting screen print-string screen, " rename " # draw the word, positioned appropriately around the cursor - var start-col/ecx: int <- copy cursor-col + var cursor-col/ebx: (addr int) <- get sandbox, cursor-col + var start-col/ecx: int <- copy *cursor-col var word-ah?/edx: (addr handle word) <- get sandbox, partial-name-for-cursor-word var word/eax: (addr word) <- lookup *word-ah? var cursor-index/eax: int <- cursor-index word start-col <- subtract cursor-index - move-cursor screen, cursor-row, start-col + var cursor-row/ebx: (addr int) <- get sandbox, cursor-row + move-cursor screen, *cursor-row, start-col var word/eax: (addr word) <- lookup *word-ah? print-word screen, word } -fn render-define-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor-row: int, cursor-col: int { +fn render-define-dialog screen: (addr screen), _sandbox: (addr sandbox) { var sandbox/edi: (addr sandbox) <- copy _sandbox var define-function-mode-ah?/ecx: (addr handle word) <- get sandbox, partial-name-for-function var define-function-mode?/eax: (addr word) <- lookup *define-function-mode-ah? compare define-function-mode?, 0 # false break-if-= # clear a space for the dialog - var top-row/eax: int <- copy cursor-row + var cursor-row/ebx: (addr int) <- get sandbox, cursor-row + var top-row/eax: int <- copy *cursor-row top-row <- subtract 3 - var bottom-row/ecx: int <- copy cursor-row + var bottom-row/ecx: int <- copy *cursor-row bottom-row <- add 3 - var left-col/edx: int <- copy cursor-col + var cursor-col/ebx: (addr int) <- get sandbox, cursor-col + var left-col/edx: int <- copy *cursor-col left-col <- subtract 0x10 - var right-col/ebx: int <- copy cursor-col + var right-col/ebx: int <- copy *cursor-col right-col <- add 0x10 clear-rect screen, top-row, left-col, bottom-row, right-col draw-box screen, top-row, left-col, bottom-row, right-col @@ -1296,12 +1325,14 @@ fn render-define-dialog screen: (addr screen), _sandbox: (addr sandbox), cursor- reset-formatting screen print-string screen, " define " # draw the word, positioned appropriately around the cursor - var start-col/ecx: int <- copy cursor-col + var cursor-col/ebx: (addr int) <- get sandbox, cursor-col + var start-col/ecx: int <- copy *cursor-col var word-ah?/edx: (addr handle word) <- get sandbox, partial-name-for-function var word/eax: (addr word) <- lookup *word-ah? var cursor-index/eax: int <- cursor-index word start-col <- subtract cursor-index - move-cursor screen, cursor-row, start-col + var cursor-row/ebx: (addr int) <- get sandbox, cursor-row + move-cursor screen, *cursor-row, start-col var word/eax: (addr word) <- lookup *word-ah? print-word screen, word } |