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floats: implement floating windows

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Co-Author: Dongdong Zhou <dzhou121@gmail.com>
This commit is contained in:
Björn Linse
2017-04-26 15:28:10 +02:00
parent 018e0d5a19
commit 9a1675b065
30 changed files with 4068 additions and 219 deletions
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25
src/nvim/popupmnu.c
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@@ -38,16 +38,16 @@ static int pum_base_width; // width of pum items base
static int pum_kind_width; // width of pum items kind column
static int pum_scrollbar; // TRUE when scrollbar present
static int pum_anchor_grid; // grid where position is defined
static int pum_row; // top row of pum
static int pum_col; // left column of pum
static bool pum_above; // pum is drawn above cursor line
static bool pum_is_visible = false;
static bool pum_is_drawn = false;
static bool pum_external = false;
static bool pum_invalid = false; // the screen was just cleared
static ScreenGrid pum_grid = SCREEN_GRID_INIT;
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "popupmnu.c.generated.h"
#endif
@@ -103,9 +103,9 @@ void pum_display(pumitem_T *array, int size, int selected, bool array_changed)
col = curwin->w_wcol;
}
int grid = (int)curwin->w_grid.handle;
pum_anchor_grid = (int)curwin->w_grid.handle;
if (!ui_has(kUIMultigrid)) {
grid = (int)default_grid.handle;
pum_anchor_grid = (int)default_grid.handle;
row += curwin->w_winrow;
col += curwin->w_wincol;
}
@@ -121,7 +121,7 @@ void pum_display(pumitem_T *array, int size, int selected, bool array_changed)
ADD(item, STRING_OBJ(cstr_to_string((char *)array[i].pum_info)));
ADD(arr, ARRAY_OBJ(item));
}
ui_call_popupmenu_show(arr, selected, row, col, grid);
ui_call_popupmenu_show(arr, selected, row, col, pum_anchor_grid);
} else {
ui_call_popupmenu_select(selected);
}
@@ -165,6 +165,7 @@ void pum_display(pumitem_T *array, int size, int selected, bool array_changed)
if (row + 2 >= below_row - pum_height
&& row - above_row > (below_row - above_row) / 2) {
// pum above "row"
pum_above = true;
// Leave two lines of context if possible
if (curwin->w_wrow - curwin->w_cline_row >= 2) {
@@ -187,6 +188,7 @@ void pum_display(pumitem_T *array, int size, int selected, bool array_changed)
}
} else {
// pum below "row"
pum_above = false;
// Leave two lines of context if possible
if (curwin->w_cline_row + curwin->w_cline_height - curwin->w_wrow >= 3) {
@@ -360,7 +362,7 @@ void pum_redraw(void)
grid_assign_handle(&pum_grid);
bool moved = ui_comp_put_grid(&pum_grid, pum_row, pum_col-col_off,
pum_height, grid_width);
pum_height, grid_width, false, true);
bool invalid_grid = moved || pum_invalid;
pum_invalid = false;
@@ -371,6 +373,13 @@ void pum_redraw(void)
} else if (invalid_grid) {
grid_invalidate(&pum_grid);
}
if (ui_has(kUIMultigrid)) {
const char *anchor = pum_above ? "SW" : "NW";
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);
}
// Never display more than we have
@@ -783,6 +792,10 @@ void pum_check_clear(void)
ui_call_popupmenu_hide();
} else {
ui_comp_remove_grid(&pum_grid);
if (ui_has(kUIMultigrid)) {
ui_call_win_close(pum_grid.handle);
ui_call_grid_destroy(pum_grid.handle);
}
// TODO(bfredl): consider keeping float grids allocated.
grid_free(&pum_grid);
}