floats: z-index

This commit is contained in:
Björn Linse 2021-05-01 13:29:34 +02:00
parent 7d82ea0102
commit edb5864a29
11 changed files with 148 additions and 36 deletions

View File

@ -1909,7 +1909,7 @@ bool parse_float_config(Dictionary config, FloatConfig *fconfig, bool reconf,
} else if (strequal(key, "height")) {
has_height = true;
if (val.type == kObjectTypeInteger && val.data.integer > 0) {
fconfig->height= (int)val.data.integer;
fconfig->height = (int)val.data.integer;
} else {
api_set_error(err, kErrorTypeValidation,
"'height' key must be a positive Integer");
@ -1983,6 +1983,14 @@ bool parse_float_config(Dictionary config, FloatConfig *fconfig, bool reconf,
"'focusable' key must be Boolean");
return false;
}
} else if (strequal(key, "zindex")) {
if (val.type == kObjectTypeInteger && val.data.integer > 0) {
fconfig->zindex = (int)val.data.integer;
} else {
api_set_error(err, kErrorTypeValidation,
"'zindex' key must be a positive Integer");
return false;
}
} else if (!strcmp(key, "border")) {
parse_border_style(val, fconfig, err);
if (ERROR_SET(err)) {

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@ -106,7 +106,8 @@ void win_pos(Integer grid, Window win, Integer startrow,
Integer startcol, Integer width, Integer height)
FUNC_API_SINCE(6) FUNC_API_REMOTE_ONLY;
void win_float_pos(Integer grid, Window win, String anchor, Integer anchor_grid,
Float anchor_row, Float anchor_col, Boolean focusable)
Float anchor_row, Float anchor_col, Boolean focusable,
Integer zindex)
FUNC_API_SINCE(6) FUNC_API_REMOTE_ONLY;
void win_external_pos(Integer grid, Window win)
FUNC_API_SINCE(6) FUNC_API_REMOTE_ONLY;

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@ -1417,6 +1417,15 @@ void nvim_chan_send(Integer chan, String data, Error *err)
/// - `external`: GUI should display the window as an external
/// top-level window. Currently accepts no other positioning
/// configuration together with this.
/// - `zindex`: Stacking order. floats with higher `zindex` go on top on
/// floats with lower indices. Must be larger than zero. The
/// following screen elements have hard-coded z-indices:
/// - 100: insert completion popupmenu
/// - 200: message scrollback
/// - 250: cmdline completion popupmenu (when wildoptions+=pum)
/// The default value for floats are 50. In general, values below 100 are
/// recommended, unless there is a good reason to overshadow builtin
/// elements.
/// - `style`: Configure the appearance of the window. Currently only takes
/// one non-empty value:
/// - "minimal" Nvim will display the window with many UI options

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@ -1083,6 +1083,7 @@ typedef struct {
FloatRelative relative;
bool external;
bool focusable;
int zindex;
WinStyle style;
bool border;
bool shadow;
@ -1096,6 +1097,7 @@ typedef struct {
.row = 0, .col = 0, .anchor = 0, \
.relative = 0, .external = false, \
.focusable = true, \
.zindex = kZIndexFloatDefault, \
.style = kWinStyleUnused })
// Structure to store last cursor position and topline. Used by check_lnums()

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@ -13,6 +13,15 @@
typedef char_u schar_T[(MAX_MCO+1) * 4 + 1];
typedef int sattr_T;
enum {
kZIndexDefaultGrid = 0,
kZIndexFloatDefault = 50,
kZIndexPopupMenu = 100,
kZIndexMessages = 200,
kZIndexCmdlinePopupMenu = 250,
};
/// ScreenGrid represents a resizable rectuangular grid displayed by UI clients.
///
/// chars[] contains the UTF-8 text that is currently displayed on the grid.
@ -73,6 +82,9 @@ struct ScreenGrid {
// whether the grid can be focused with mouse clicks.
bool focusable;
// z-index: the order in the stack of grids.
int zindex;
// Below is state owned by the compositor. Should generally not be set/read
// outside this module, except for specific compatibilty hacks
@ -96,7 +108,7 @@ struct ScreenGrid {
};
#define SCREEN_GRID_INIT { 0, NULL, NULL, NULL, NULL, NULL, 0, 0, false, \
false, 0, 0, NULL, false, true, \
false, 0, 0, NULL, false, true, 0, \
0, 0, 0, 0, 0, false }
#endif // NVIM_GRID_DEFS_H

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@ -165,6 +165,7 @@ void msg_grid_validate(void)
// TODO(bfredl): eventually should be set to "invalid". I e all callers
// will use the grid including clear to EOS if necessary.
grid_alloc(&msg_grid, Rows, Columns, false, true);
msg_grid.zindex = kZIndexMessages;
xfree(msg_grid.dirty_col);
msg_grid.dirty_col = xcalloc(Rows, sizeof(*msg_grid.dirty_col));

View File

@ -421,6 +421,10 @@ void pum_redraw(void)
}
grid_assign_handle(&pum_grid);
pum_grid.zindex = ((State == CMDLINE)
? kZIndexCmdlinePopupMenu : kZIndexPopupMenu);
bool moved = ui_comp_put_grid(&pum_grid, pum_row, pum_col-col_off,
pum_height, grid_width, false, true);
bool invalid_grid = moved || pum_invalid;
@ -439,7 +443,7 @@ void pum_redraw(void)
int row_off = pum_above ? pum_height : 0;
ui_call_win_float_pos(pum_grid.handle, -1, cstr_to_string(anchor),
pum_anchor_grid, pum_row-row_off, pum_col-col_off,
false);
false, pum_grid.zindex);
}

View File

@ -165,22 +165,13 @@ bool ui_comp_put_grid(ScreenGrid *grid, int row, int col, int height, int width,
}
#endif
// TODO(bfredl): this is pretty ad-hoc, add a proper z-order/priority
// scheme. For now:
// - msg_grid is always on top.
// - pum_grid is on top of all windows but not msg_grid. Except for when
// wildoptions=pum, and completing the cmdline with scrolled messages,
// then the pum has to be drawn over the scrolled messages.
size_t insert_at = kv_size(layers);
bool cmd_completion = (grid == &pum_grid && (State & CMDLINE)
&& (wop_flags & WOP_PUM));
if (kv_A(layers, insert_at-1) == &msg_grid && !cmd_completion) {
insert_at--;
}
if (kv_A(layers, insert_at-1) == &pum_grid && (grid != &msg_grid)) {
while (insert_at > 0 && kv_A(layers, insert_at-1)->zindex > grid->zindex) {
insert_at--;
}
if (curwin && kv_A(layers, insert_at-1) == &curwin->w_grid_alloc
&& kv_A(layers, insert_at-1)->zindex == grid->zindex
&& !on_top) {
insert_at--;
}
@ -279,12 +270,11 @@ static void ui_comp_grid_cursor_goto(UI *ui, Integer grid_handle,
// should configure all grids before entering win_update()
if (curgrid != &default_grid) {
size_t new_index = kv_size(layers)-1;
if (kv_A(layers, new_index) == &msg_grid) {
new_index--;
}
if (kv_A(layers, new_index) == &pum_grid) {
while (new_index > 1 && kv_A(layers, new_index)->zindex > curgrid->zindex) {
new_index--;
}
if (curgrid->comp_index < new_index) {
ui_comp_raise_grid(curgrid, new_index);
}

View File

@ -763,10 +763,13 @@ void ui_ext_win_position(win_T *wp)
}
api_clear_error(&dummy);
}
wp->w_grid_alloc.zindex = wp->w_float_config.zindex;
if (ui_has(kUIMultigrid)) {
String anchor = cstr_to_string(float_anchor_str[c.anchor]);
ui_call_win_float_pos(wp->w_grid_alloc.handle, wp->handle, anchor,
grid->handle, row, col, c.focusable);
grid->handle, row, col, c.focusable,
wp->w_grid_alloc.zindex);
} else {
// TODO(bfredl): ideally, compositor should work like any multigrid UI
// and use standard win_pos events.

View File

@ -1077,8 +1077,8 @@ describe('float window', function()
{1: abb }|
{13: acc }|
]], float_pos={
[5] = { { id = 1002 }, "NW", 1, 0, 5, true },
[6] = { { id = -1 }, "NW", 5, 4, 0, false }
[5] = { { id = 1002 }, "NW", 1, 0, 5, true, 50 },
[6] = { { id = -1 }, "NW", 5, 4, 0, false, 100 }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0};
[5] = {win = {id = 1002}, topline = 0, botline = 3, curline = 2, curcol = 3};
@ -2755,8 +2755,8 @@ describe('float window', function()
{1: word }|
{1: longtext }|
]], float_pos={
[4] = {{ id = 1001 }, "NW", 1, 2, 5, true},
[5] = {{ id = -1 }, "NW", 4, 1, 1, false}
[4] = {{ id = 1001 }, "NW", 1, 2, 5, true, 50},
[5] = {{ id = -1 }, "NW", 4, 1, 1, false, 100}
}}
else
screen:expect([[
@ -2842,8 +2842,8 @@ describe('float window', function()
{1:yy }|
{1:zz }|
]], float_pos={
[4] = {{ id = 1001 }, "NW", 1, 2, 5, true},
[5] = {{ id = -1 }, "NW", 2, 1, 0, false}
[4] = {{ id = 1001 }, "NW", 1, 2, 5, true, 50},
[5] = {{ id = -1 }, "NW", 2, 1, 0, false, 100}
}}
else
screen:expect([[
@ -3104,7 +3104,7 @@ describe('float window', function()
{1:word }|
{1:longtext }|
]], float_pos={
[4] = {{id = -1}, "NW", 2, 1, 0, false}}
[4] = {{id = -1}, "NW", 2, 1, 0, false, 100}}
}
else
screen:expect([[
@ -3148,8 +3148,8 @@ describe('float window', function()
{15:some info }|
{15:about item }|
]], float_pos={
[4] = {{id = -1}, "NW", 2, 1, 0, false},
[6] = {{id = 1002}, "NW", 2, 1, 12, true},
[4] = {{id = -1}, "NW", 2, 1, 0, false, 100},
[6] = {{id = 1002}, "NW", 2, 1, 12, true, 50},
}}
else
screen:expect([[
@ -3263,7 +3263,7 @@ describe('float window', function()
{1:word }|
{1:longtext }|
]], float_pos={
[4] = {{id = -1}, "NW", 2, 1, 0, false},
[4] = {{id = -1}, "NW", 2, 1, 0, false, 100},
}}
else
screen:expect([[
@ -6296,6 +6296,69 @@ describe('float window', function()
]]}
end
end)
it('can use z-index', function()
local buf = meths.create_buf(false,false)
local win1 = meths.open_win(buf, false, {relative='editor', width=20, height=3, row=1, col=5, zindex=30})
meths.win_set_option(win1, "winhl", "Normal:ErrorMsg,EndOfBuffer:ErrorMsg")
local win2 = meths.open_win(buf, false, {relative='editor', width=20, height=3, row=2, col=6, zindex=50})
meths.win_set_option(win2, "winhl", "Normal:Search,EndOfBuffer:Search")
local win3 = meths.open_win(buf, false, {relative='editor', width=20, height=3, row=3, col=7, zindex=40})
meths.win_set_option(win3, "winhl", "Normal:Question,EndOfBuffer:Question")
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{7: }|
{7:~ }|
{7:~ }|
## grid 5
{17: }|
{17:~ }|
{17:~ }|
## grid 6
{8: }|
{8:~ }|
{8:~ }|
]], float_pos={
[4] = {{id = 1001}, "NW", 1, 1, 5, true, 30};
[5] = {{id = 1002}, "NW", 1, 2, 6, true, 50};
[6] = {{id = 1003}, "NW", 1, 3, 7, true, 40};
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0};
[5] = {win = {id = 1002}, topline = 0, botline = 2, curline = 0, curcol = 0};
[6] = {win = {id = 1003}, topline = 0, botline = 2, curline = 0, curcol = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }{7: }{0: }|
{0:~ }{7:~}{17: }{0: }|
{0:~ }{7:~}{17:~ }{8: }{0: }|
{0:~ }{17:~ }{8: }{0: }|
{0:~ }{8:~ }{0: }|
|
]]}
end
end)
end
describe('with ext_multigrid', function()

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@ -429,6 +429,15 @@ screen:redraw_debug() to show all intermediate screen states. ]])
extstate.win_viewport = nil
end
if expected.float_pos then
expected.float_pos = deepcopy(expected.float_pos)
for _, v in pairs(expected.float_pos) do
if not v.external and v[7] == nil then
v[7] = 50
end
end
end
-- Convert assertion errors into invalid screen state descriptions.
for _, k in ipairs(concat_tables(ext_keys, {'mode', 'mouse_enabled'})) do
-- Empty states are considered the default and need not be mentioned.
@ -1287,6 +1296,11 @@ function Screen:get_snapshot(attrs, ignore)
end
local function fmt_ext_state(name, state)
local function remove_all_metatables(item, path)
if path[#path] ~= inspect.METATABLE then
return item
end
end
if name == "win_viewport" then
local str = "{\n"
for k,v in pairs(state) do
@ -1295,13 +1309,18 @@ local function fmt_ext_state(name, state)
..", curcol = "..v.curcol.."};\n")
end
return str .. "}"
elseif name == "float_pos" then
local str = "{\n"
for k,v in pairs(state) do
str = str.." ["..k.."] = {{id = "..v[1].id.."}"
for i = 2, #v do
str = str..", "..inspect(v[i])
end
str = str .. "};\n"
end
return str .. "}"
else
-- TODO(bfredl): improve formatting of more states
local function remove_all_metatables(item, path)
if path[#path] ~= inspect.METATABLE then
return item
end
end
return inspect(state,{process=remove_all_metatables})
end
end