diff options
Diffstat (limited to 'browse-slack')
| -rw-r--r-- | browse-slack/environment.mu | 417 |
1 files changed, 49 insertions, 368 deletions
diff --git a/browse-slack/environment.mu b/browse-slack/environment.mu index e4e2d882..8f53a7f8 100644 --- a/browse-slack/environment.mu +++ b/browse-slack/environment.mu @@ -1048,7 +1048,7 @@ fn new-thread-tab _env: (addr environment), users: (addr array user), channels: var current-tab-index/ecx: int <- copy *current-tab-index-addr var current-tab-offset/ecx: (offset tab) <- compute-offset tabs, current-tab-index var current-tab/ecx: (addr tab) <- index tabs, current-tab-offset - var item-index/esi: int <- item-index current-tab, _items, channels + var item-index/esi: int <- item-index env, _items, channels var post-index/ecx: int <- post-index _items, item-index var current-tab-index-addr/eax: (addr int) <- get env, current-tab-index increment *current-tab-index-addr @@ -1134,7 +1134,7 @@ fn hide-thread _env: (addr environment), users: (addr array user), channels: (ad abort "too many hidden threads in this tab" # TODO: create a space for flash error messages on screen return } - var current-item-index/esi: int <- item-index current-tab, items, channels + var current-item-index/esi: int <- item-index env, items, channels var current-post-index-value/ecx: int <- post-index items, current-item-index # . turn current-post-index into an addr var current-post-index-storage: int @@ -1186,8 +1186,14 @@ fn should-hide? _tab: (addr tab), item-index: int, items: (addr item-list) -> _/ } # what index in the global items list is the cursor at in the current tab? -fn item-index _tab: (addr tab), _items: (addr item-list), _channels: (addr array channel) -> _/esi: int { - var tab/esi: (addr tab) <- copy _tab +fn item-index _env: (addr environment), _items: (addr item-list), _channels: (addr array channel) -> _/esi: int { + var env/eax: (addr environment) <- copy _env + var current-tab-index-addr/esi: (addr int) <- get env, current-tab-index + var tabs-ah/eax: (addr handle array tab) <- get env, tabs + var tabs/eax: (addr array tab) <- lookup *tabs-ah + var tab-index/esi: int <- copy *current-tab-index-addr + var tab-offset/esi: (offset tab) <- compute-offset tabs, tab-index + var tab/esi: (addr tab) <- index tabs, tab-offset var tab-type/eax: (addr int) <- get tab, type { compare *tab-type, 0/all-items @@ -1476,7 +1482,7 @@ fn next-item _env: (addr environment), users: (addr array user), _channels: (add break-if-<= decrement *dest # if current item is not hidden, return - var current-item-index/esi: int <- item-index current-tab, _items, _channels + var current-item-index/esi: int <- item-index env, _items, _channels var should-hide?/eax: boolean <- should-hide? current-tab, current-item-index, _items compare should-hide?, 0/false loop-if-!= @@ -1511,7 +1517,7 @@ fn previous-item _env: (addr environment), users: (addr array user), _channels: break-if->= increment *dest # if current item is not hidden, return - var current-item-index/esi: int <- item-index current-tab, _items, _channels + var current-item-index/esi: int <- item-index env, _items, _channels var should-hide?/eax: boolean <- should-hide? current-tab, current-item-index, _items compare should-hide?, 0/false loop-if-!= @@ -1540,7 +1546,7 @@ fn previous-item _env: (addr environment), users: (addr array user), _channels: break-if->= increment *dest # if current item is not hidden, return - var current-item-index/esi: int <- item-index current-tab, _items, _channels + var current-item-index/esi: int <- item-index env, _items, _channels var should-hide?/eax: boolean <- should-hide? current-tab, current-item-index, _items compare should-hide?, 0/false loop-if-!= @@ -1584,406 +1590,81 @@ fn previous-item _env: (addr environment), users: (addr array user), _channels: } } -fn page-down _env: (addr environment), users: (addr array user), channels: (addr array channel), items: (addr item-list) { +fn page-down _env: (addr environment), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { var env/edi: (addr environment) <- copy _env - var tabs-ah/eax: (addr handle array tab) <- get env, tabs - var _tabs/eax: (addr array tab) <- lookup *tabs-ah - var tabs/ecx: (addr array tab) <- copy _tabs - var current-tab-index-a/eax: (addr int) <- get env, current-tab-index - var current-tab-index/eax: int <- copy *current-tab-index-a - var current-tab-offset/eax: (offset tab) <- compute-offset tabs, current-tab-index - var current-tab/edx: (addr tab) <- index tabs, current-tab-offset - var current-tab-type/eax: (addr int) <- get current-tab, type - compare *current-tab-type, 0/all-items - { - break-if-!= - all-items-page-down current-tab, users, channels, items - return - } - compare *current-tab-type, 1/channel - { - break-if-!= - channel-page-down current-tab, users, channels, items - return - } - compare *current-tab-type, 2/search - { - break-if-!= - search-page-down current-tab, users, channels, items - return - } - compare *current-tab-type, 3/thread - { - break-if-!= - thread-page-down current-tab, users, channels, items - return - } -} - -fn all-items-page-down _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var items/esi: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/ebx: (addr array item) <- copy _items-data - var current-tab/eax: (addr tab) <- copy _current-tab - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-item-index, 0 - break-if-< - compare y, 0x28/screen-height-minus-menu - break-if->= - var offset/eax: (offset item) <- compute-offset items-data, new-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-item-index <- decrement - loop - } - new-item-index <- increment - { - # HACK: make sure we make forward progress even if a single post takes up - # the whole screen. - # We can't see the rest of that single post at the moment. But at least we - # can go past it. - compare new-item-index, *current-tab-item-index-addr - break-if-!= - # Don't make "forward progress" past post 0. - compare new-item-index, 0 - break-if-= - new-item-index <- decrement - } - copy-to *current-tab-item-index-addr, new-item-index -} - -fn channel-page-down _current-tab: (addr tab), users: (addr array user), _channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var current-channel-index-addr/eax: (addr int) <- get current-tab, channel-index - var current-channel-index/eax: int <- copy *current-channel-index-addr - var channels/esi: (addr array channel) <- copy _channels - var current-channel-offset/eax: (offset channel) <- compute-offset channels, current-channel-index - var current-channel/esi: (addr channel) <- index channels, current-channel-offset - var current-channel-posts-ah/eax: (addr handle array int) <- get current-channel, posts - var _current-channel-posts/eax: (addr array int) <- lookup *current-channel-posts-ah - var current-channel-posts/esi: (addr array int) <- copy _current-channel-posts var items/eax: (addr item-list) <- copy _items var items-data-ah/eax: (addr handle array item) <- get items, data var _items-data/eax: (addr array item) <- lookup *items-data-ah var items-data/ebx: (addr array item) <- copy _items-data - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr + var _old-item-index/esi: int <- item-index env, _items, channels + var old-item-index/ecx: int <- copy _old-item-index var y/edx: int <- copy 2 { - compare new-tab-item-index, 0 - break-if-< compare y, 0x28/screen-height-minus-menu break-if->= - var current-item-index-addr/eax: (addr int) <- index current-channel-posts, new-tab-item-index - var current-item-index/eax: int <- copy *current-item-index-addr - var offset/eax: (offset item) <- compute-offset items-data, current-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-tab-item-index <- decrement - loop - } - new-tab-item-index <- increment - { - # HACK: make sure we make forward progress even if a single post takes up - # the whole screen. - # We can't see the rest of that single post at the moment. But at least we - # can go past it. - compare new-tab-item-index, *current-tab-item-index-addr - break-if-!= - # Don't make "forward progress" past post 0. - compare new-tab-item-index, 0 - break-if-= - new-tab-item-index <- decrement - } - copy-to *current-tab-item-index-addr, new-tab-item-index -} - -fn search-page-down _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var current-tab-search-items-ah/eax: (addr handle array int) <- get current-tab, search-items - var _current-tab-search-items/eax: (addr array int) <- lookup *current-tab-search-items-ah - var current-tab-search-items/esi: (addr array int) <- copy _current-tab-search-items - var items/eax: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/ebx: (addr array item) <- copy _items-data - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-tab-item-index, 0 - break-if-< - compare y, 0x28/screen-height-minus-menu - break-if->= - var current-item-index-addr/eax: (addr int) <- index current-tab-search-items, new-tab-item-index - var current-item-index/eax: int <- copy *current-item-index-addr - var offset/eax: (offset item) <- compute-offset items-data, current-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-tab-item-index <- decrement - loop - } - new-tab-item-index <- increment - { - # HACK: make sure we make forward progress even if a single post takes up - # the whole screen. - # We can't see the rest of that single post at the moment. But at least we - # can go past it. - compare new-tab-item-index, *current-tab-item-index-addr - break-if-!= - # Don't make "forward progress" past post 0. - compare new-tab-item-index, 0 - break-if-= - new-tab-item-index <- decrement - } - copy-to *current-tab-item-index-addr, new-tab-item-index -} - -fn thread-page-down _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var items/eax: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/esi: (addr array item) <- copy _items-data - var current-tab-root-index-addr/eax: (addr int) <- get current-tab, root-index - var current-tab-root-index/eax: int <- copy *current-tab-root-index-addr - var current-tab-root-offset/eax: (offset item) <- compute-offset items-data, current-tab-root-index - var post/eax: (addr item) <- index items-data, current-tab-root-offset - var post-comments-ah/eax: (addr handle array int) <- get post, comments - var _post-comments/eax: (addr array int) <- lookup *post-comments-ah - var post-comments/ebx: (addr array int) <- copy _post-comments - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-tab-item-index, 0 - break-if-< - compare y, 0x28/screen-height-minus-menu - break-if->= - var current-item-index-addr/eax: (addr int) <- index post-comments, new-tab-item-index - var current-item-index/eax: int <- copy *current-item-index-addr - var offset/eax: (offset item) <- compute-offset items-data, current-item-index - var item/eax: (addr item) <- index items-data, offset + var item-index/esi: int <- item-index env, _items, channels + { + compare y, 2 + break-if-= # skip this condition on first iteration + compare item-index, old-item-index + break-if-!= + # no forward progress; we're at the bottom of the current tab + return + } + var item-offset/eax: (offset item) <- compute-offset items-data, item-index + var item/eax: (addr item) <- index items-data, item-offset var item-text-ah/eax: (addr handle array byte) <- get item, text var item-text/eax: (addr array byte) <- lookup *item-text-ah var h/eax: int <- estimate-height item-text y <- add h - new-tab-item-index <- decrement + next-item env, users, channels, _items loop } - new-tab-item-index <- increment + # we're past the end of the screen now, so bounce back for some continuity + previous-item env, users, channels, _items { # HACK: make sure we make forward progress even if a single post takes up # the whole screen. # We can't see the rest of that single post at the moment. But at least we # can go past it. - compare new-tab-item-index, *current-tab-item-index-addr + var old-item-index/eax: int <- copy old-item-index + var item-index/esi: int <- item-index env, _items, channels + compare item-index, old-item-index break-if-!= - # Don't make "forward progress" past post 0. - compare new-tab-item-index, 0 - break-if-= - new-tab-item-index <- decrement + next-item env, users, channels, _items } - copy-to *current-tab-item-index-addr, new-tab-item-index } -fn page-up _env: (addr environment), users: (addr array user), channels: (addr array channel), items: (addr item-list) { +fn page-up _env: (addr environment), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { var env/edi: (addr environment) <- copy _env - var tabs-ah/eax: (addr handle array tab) <- get env, tabs - var _tabs/eax: (addr array tab) <- lookup *tabs-ah - var tabs/ecx: (addr array tab) <- copy _tabs - var current-tab-index-a/eax: (addr int) <- get env, current-tab-index - var current-tab-index/eax: int <- copy *current-tab-index-a - var current-tab-offset/eax: (offset tab) <- compute-offset tabs, current-tab-index - var current-tab/edx: (addr tab) <- index tabs, current-tab-offset - var current-tab-type/eax: (addr int) <- get current-tab, type - compare *current-tab-type, 0/all-items - { - break-if-!= - all-items-page-up current-tab, users, channels, items - return - } - compare *current-tab-type, 1/channel - { - break-if-!= - channel-page-up current-tab, users, channels, items - return - } - compare *current-tab-type, 2/search - { - break-if-!= - search-page-up current-tab, users, channels, items - return - } - compare *current-tab-type, 3/thread - { - break-if-!= - thread-page-up current-tab, users, channels, items - return - } -} - -fn all-items-page-up _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var items/esi: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/ebx: (addr array item) <- copy _items-data - var items-data-first-free-a/eax: (addr int) <- get items, data-first-free - var final-item-index/esi: int <- copy *items-data-first-free-a - final-item-index <- decrement - var current-tab/eax: (addr tab) <- copy _current-tab - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-item-index, final-item-index - break-if-> - compare y, 0x28/screen-height-minus-menu - break-if->= - var offset/eax: (offset item) <- compute-offset items-data, new-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-item-index <- increment - loop - } - new-item-index <- decrement - copy-to *current-tab-item-index-addr, new-item-index -} - -fn channel-page-up _current-tab: (addr tab), users: (addr array user), _channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var current-channel-index-addr/eax: (addr int) <- get current-tab, channel-index - var current-channel-index/eax: int <- copy *current-channel-index-addr - var channels/esi: (addr array channel) <- copy _channels - var current-channel-offset/eax: (offset channel) <- compute-offset channels, current-channel-index - var current-channel/esi: (addr channel) <- index channels, current-channel-offset - var current-channel-posts-first-free-addr/eax: (addr int) <- get current-channel, posts-first-free - var tmp/eax: int <- copy *current-channel-posts-first-free-addr - var final-tab-post-index: int - copy-to final-tab-post-index, tmp - decrement final-tab-post-index - var current-channel-posts-ah/eax: (addr handle array int) <- get current-channel, posts - var _current-channel-posts/eax: (addr array int) <- lookup *current-channel-posts-ah - var current-channel-posts/esi: (addr array int) <- copy _current-channel-posts - var items/esi: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/ebx: (addr array item) <- copy _items-data - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-tab-item-index, final-tab-post-index - break-if-> - compare y, 0x28/screen-height-minus-menu - break-if->= - var offset/eax: (offset item) <- compute-offset items-data, new-tab-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-tab-item-index <- increment - loop - } - new-tab-item-index <- decrement - copy-to *current-tab-item-index-addr, new-tab-item-index -} - -fn search-page-up _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var current-tab-search-items-first-free-addr/eax: (addr int) <- get current-tab, search-items-first-free - var final-tab-post-index: int - var tmp/eax: int <- copy *current-tab-search-items-first-free-addr - copy-to final-tab-post-index, tmp - decrement final-tab-post-index - var current-tab-search-items-ah/eax: (addr handle array int) <- get current-tab, search-items - var _current-tab-search-items/eax: (addr array int) <- lookup *current-tab-search-items-ah - var current-tab-search-items/esi: (addr array int) <- copy _current-tab-search-items var items/eax: (addr item-list) <- copy _items var items-data-ah/eax: (addr handle array item) <- get items, data var _items-data/eax: (addr array item) <- lookup *items-data-ah var items-data/ebx: (addr array item) <- copy _items-data - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr + var _old-item-index/esi: int <- item-index env, _items, channels + var old-item-index/ecx: int <- copy _old-item-index var y/edx: int <- copy 2 { - compare new-tab-item-index, final-tab-post-index - break-if-> - compare y, 0x28/screen-height-minus-menu - break-if->= - var current-item-index-addr/eax: (addr int) <- index current-tab-search-items, new-tab-item-index - var current-item-index/eax: int <- copy *current-item-index-addr - var offset/eax: (offset item) <- compute-offset items-data, current-item-index - var item/eax: (addr item) <- index items-data, offset - var item-text-ah/eax: (addr handle array byte) <- get item, text - var item-text/eax: (addr array byte) <- lookup *item-text-ah - var h/eax: int <- estimate-height item-text - y <- add h - new-tab-item-index <- increment - loop - } - new-tab-item-index <- decrement - copy-to *current-tab-item-index-addr, new-tab-item-index -} - -fn thread-page-up _current-tab: (addr tab), users: (addr array user), channels: (addr array channel), _items: (addr item-list) { - var current-tab/edi: (addr tab) <- copy _current-tab - var items/eax: (addr item-list) <- copy _items - var items-data-ah/eax: (addr handle array item) <- get items, data - var _items-data/eax: (addr array item) <- lookup *items-data-ah - var items-data/esi: (addr array item) <- copy _items-data - var current-tab-root-index-addr/eax: (addr int) <- get current-tab, root-index - var current-tab-root-index/eax: int <- copy *current-tab-root-index-addr - var current-tab-root-offset/eax: (offset item) <- compute-offset items-data, current-tab-root-index - var post/eax: (addr item) <- index items-data, current-tab-root-offset - var post-comments-first-free-addr/ecx: (addr int) <- get post, comments-first-free - var post-comments-ah/eax: (addr handle array int) <- get post, comments - var _post-comments/eax: (addr array int) <- lookup *post-comments-ah - var post-comments/ebx: (addr array int) <- copy _post-comments - var final-tab-comment-index: int - { - var tmp/eax: int <- copy *post-comments-first-free-addr - tmp <- decrement - copy-to final-tab-comment-index, tmp - } - var current-tab-item-index-addr/edi: (addr int) <- get current-tab, item-index - var new-tab-item-index/ecx: int <- copy *current-tab-item-index-addr - var y/edx: int <- copy 2 - { - compare new-tab-item-index, final-tab-comment-index - break-if-> compare y, 0x28/screen-height-minus-menu break-if->= - var current-item-index-addr/eax: (addr int) <- index post-comments, new-tab-item-index - var current-item-index/eax: int <- copy *current-item-index-addr - var offset/eax: (offset item) <- compute-offset items-data, current-item-index - var item/eax: (addr item) <- index items-data, offset + var item-index/esi: int <- item-index env, _items, channels + { + compare y, 2 + break-if-= # skip this condition on first iteration + compare item-index, old-item-index + break-if-!= + # no forward progress; we're at the bottom of the current tab + return + } + var item-offset/eax: (offset item) <- compute-offset items-data, item-index + var item/eax: (addr item) <- index items-data, item-offset var item-text-ah/eax: (addr handle array byte) <- get item, text var item-text/eax: (addr array byte) <- lookup *item-text-ah var h/eax: int <- estimate-height item-text y <- add h - new-tab-item-index <- increment + previous-item env, users, channels, _items loop } - new-tab-item-index <- decrement - copy-to *current-tab-item-index-addr, new-tab-item-index } # keep sync'd with render-item |