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slack: page-up on channel screen

This commit is contained in:
Kartik K. Agaram 2021-08-13 15:43:35 -07:00
parent ae01fd8c70
commit 1da16ed6c3
1 changed files with 65 additions and 14 deletions
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@ -618,8 +618,6 @@ fn all-items-page-down _current-tab: (addr tab), users: (addr array user), chann
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
set-cursor-position 0/screen, 0 0
draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, h, 4/fg 0/bg
y <- add h
new-item-index <- decrement
loop
@ -669,8 +667,6 @@ fn channel-page-down _current-tab: (addr tab), users: (addr array user), _channe
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
set-cursor-position 0/screen, 0 0
draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, h, 4/fg 0/bg
y <- add h
new-tab-item-index <- decrement
loop
@ -691,8 +687,31 @@ fn channel-page-down _current-tab: (addr tab), users: (addr array user), _channe
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
}
}
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
@ -700,13 +719,7 @@ fn page-up _env: (addr environment), users: (addr array user), channels: (addr a
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 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/eax: (addr tab) <- index tabs, current-tab-offset
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
@ -720,8 +733,6 @@ fn page-up _env: (addr environment), users: (addr array user), channels: (addr a
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
set-cursor-position 0/screen, 0 0
draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, h, 4/fg 0/bg
y <- add h
new-item-index <- increment
loop
@ -730,6 +741,46 @@ fn page-up _env: (addr environment), users: (addr array user), channels: (addr a
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, root-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
}
# keep sync'd with render-item
fn estimate-height _message-text: (addr array byte) -> _/eax: int {
var message-text/esi: (addr array byte) <- copy _message-text