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-rw-r--r--src/nvim/api/window.c276
1 files changed, 195 insertions, 81 deletions
diff --git a/src/nvim/api/window.c b/src/nvim/api/window.c
index f644453358..33857f95b7 100644
--- a/src/nvim/api/window.c
+++ b/src/nvim/api/window.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
@@ -7,19 +10,20 @@
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/vim.h"
+#include "nvim/buffer.h"
#include "nvim/cursor.h"
#include "nvim/window.h"
#include "nvim/screen.h"
#include "nvim/move.h"
-#include "nvim/misc2.h"
/// Gets the current buffer in a window
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return The buffer handle
-Buffer window_get_buffer(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return Buffer handle
+Buffer nvim_win_get_buf(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -30,12 +34,48 @@ Buffer window_get_buffer(Window window, Error *err)
return win->w_buffer->handle;
}
+/// Sets the current buffer in a window, without side-effects
+///
+/// @param window Window handle
+/// @param buffer Buffer handle
+/// @param[out] err Error details, if any
+void nvim_win_set_buf(Window window, Buffer buffer, Error *err)
+ FUNC_API_SINCE(5)
+{
+ win_T *win = find_window_by_handle(window, err), *save_curwin = curwin;
+ buf_T *buf = find_buffer_by_handle(buffer, err);
+ tabpage_T *tab = win_find_tabpage(win), *save_curtab = curtab;
+
+ if (!win || !buf) {
+ return;
+ }
+
+ if (switch_win(&save_curwin, &save_curtab, win, tab, false) == FAIL) {
+ api_set_error(err,
+ kErrorTypeException,
+ "Failed to switch to window %d",
+ window);
+ }
+
+ try_start();
+ int result = do_buffer(DOBUF_GOTO, DOBUF_FIRST, FORWARD, buf->b_fnum, 0);
+ if (!try_end(err) && result == FAIL) {
+ api_set_error(err,
+ kErrorTypeException,
+ "Failed to set buffer %d",
+ buffer);
+ }
+
+ restore_win(save_curwin, save_curtab, false);
+}
+
/// Gets the cursor position in the window
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return the (row, col) tuple
-ArrayOf(Integer, 2) window_get_cursor(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return (row, col) tuple
+ArrayOf(Integer, 2) nvim_win_get_cursor(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
Array rv = ARRAY_DICT_INIT;
win_T *win = find_window_by_handle(window, err);
@@ -50,22 +90,23 @@ ArrayOf(Integer, 2) window_get_cursor(Window window, Error *err)
/// Sets the cursor position in the window
///
-/// @param window The window handle
-/// @param pos the (row, col) tuple representing the new position
-/// @param[out] err Details of an error that may have occurred
-void window_set_cursor(Window window, ArrayOf(Integer, 2) pos, Error *err)
+/// @param window Window handle
+/// @param pos (row, col) tuple representing the new position
+/// @param[out] err Error details, if any
+void nvim_win_set_cursor(Window window, ArrayOf(Integer, 2) pos, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
- if (pos.size != 2 || pos.items[0].type != kObjectTypeInteger
- || pos.items[1].type != kObjectTypeInteger) {
- api_set_error(err,
- Validation,
- _("Argument \"pos\" must be a [row, col] array"));
+ if (!win) {
return;
}
- if (!win) {
+ if (pos.size != 2 || pos.items[0].type != kObjectTypeInteger
+ || pos.items[1].type != kObjectTypeInteger) {
+ api_set_error(err,
+ kErrorTypeValidation,
+ "Argument \"pos\" must be a [row, col] array");
return;
}
@@ -73,12 +114,12 @@ void window_set_cursor(Window window, ArrayOf(Integer, 2) pos, Error *err)
int64_t col = pos.items[1].data.integer;
if (row <= 0 || row > win->w_buffer->b_ml.ml_line_count) {
- api_set_error(err, Validation, _("Cursor position outside buffer"));
+ api_set_error(err, kErrorTypeValidation, "Cursor position outside buffer");
return;
}
if (col > MAXCOL || col < 0) {
- api_set_error(err, Validation, _("Column value outside range"));
+ api_set_error(err, kErrorTypeValidation, "Column value outside range");
return;
}
@@ -88,18 +129,22 @@ void window_set_cursor(Window window, ArrayOf(Integer, 2) pos, Error *err)
// When column is out of range silently correct it.
check_cursor_col_win(win);
+ // Make sure we stick in this column.
+ win->w_set_curswant = true;
+
// make sure cursor is in visible range even if win != curwin
update_topline_win(win);
- update_screen(VALID);
+ redraw_win_later(win, VALID);
}
/// Gets the window height
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return the height in rows
-Integer window_get_height(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return Height as a count of rows
+Integer nvim_win_get_height(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -113,10 +158,11 @@ Integer window_get_height(Window window, Error *err)
/// Sets the window height. This will only succeed if the screen is split
/// horizontally.
///
-/// @param window The window handle
-/// @param height the new height in rows
-/// @param[out] err Details of an error that may have occurred
-void window_set_height(Window window, Integer height, Error *err)
+/// @param window Window handle
+/// @param height Height as a count of rows
+/// @param[out] err Error details, if any
+void nvim_win_set_height(Window window, Integer height, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -125,7 +171,7 @@ void window_set_height(Window window, Integer height, Error *err)
}
if (height > INT_MAX || height < INT_MIN) {
- api_set_error(err, Validation, _("Height value outside range"));
+ api_set_error(err, kErrorTypeValidation, "Height value outside range");
return;
}
@@ -139,10 +185,11 @@ void window_set_height(Window window, Integer height, Error *err)
/// Gets the window width
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return the width in columns
-Integer window_get_width(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return Width as a count of columns
+Integer nvim_win_get_width(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -156,10 +203,11 @@ Integer window_get_width(Window window, Error *err)
/// Sets the window width. This will only succeed if the screen is split
/// vertically.
///
-/// @param window The window handle
-/// @param width the new width in columns
-/// @param[out] err Details of an error that may have occurred
-void window_set_width(Window window, Integer width, Error *err)
+/// @param window Window handle
+/// @param width Width as a count of columns
+/// @param[out] err Error details, if any
+void nvim_win_set_width(Window window, Integer width, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -168,7 +216,7 @@ void window_set_width(Window window, Integer width, Error *err)
}
if (width > INT_MAX || width < INT_MIN) {
- api_set_error(err, Validation, _("Width value outside range"));
+ api_set_error(err, kErrorTypeValidation, "Width value outside range");
return;
}
@@ -182,11 +230,12 @@ void window_set_width(Window window, Integer width, Error *err)
/// Gets a window-scoped (w:) variable
///
-/// @param window The window handle
-/// @param name The variable name
-/// @param[out] err Details of an error that may have occurred
-/// @return The variable value
-Object window_get_var(Window window, String name, Error *err)
+/// @param window Window handle
+/// @param name Variable name
+/// @param[out] err Error details, if any
+/// @return Variable value
+Object nvim_win_get_var(Window window, String name, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -199,11 +248,48 @@ Object window_get_var(Window window, String name, Error *err)
/// Sets a window-scoped (w:) variable
///
-/// @param window The window handle
-/// @param name The variable name
-/// @param value The variable value
-/// @param[out] err Details of an error that may have occurred
-/// @return The old value or nil if there was no previous value.
+/// @param window Window handle
+/// @param name Variable name
+/// @param value Variable value
+/// @param[out] err Error details, if any
+void nvim_win_set_var(Window window, String name, Object value, Error *err)
+ FUNC_API_SINCE(1)
+{
+ win_T *win = find_window_by_handle(window, err);
+
+ if (!win) {
+ return;
+ }
+
+ dict_set_var(win->w_vars, name, value, false, false, err);
+}
+
+/// Removes a window-scoped (w:) variable
+///
+/// @param window Window handle
+/// @param name Variable name
+/// @param[out] err Error details, if any
+void nvim_win_del_var(Window window, String name, Error *err)
+ FUNC_API_SINCE(1)
+{
+ win_T *win = find_window_by_handle(window, err);
+
+ if (!win) {
+ return;
+ }
+
+ dict_set_var(win->w_vars, name, NIL, true, false, err);
+}
+
+/// Sets a window-scoped (w:) variable
+///
+/// @deprecated
+///
+/// @param window Window handle
+/// @param name Variable name
+/// @param value Variable value
+/// @param[out] err Error details, if any
+/// @return Old value or nil if there was no previous value.
///
/// @warning It may return nil if there was no previous value
/// or if previous value was `v:null`.
@@ -215,18 +301,17 @@ Object window_set_var(Window window, String name, Object value, Error *err)
return (Object) OBJECT_INIT;
}
- return dict_set_value(win->w_vars, name, value, false, err);
+ return dict_set_var(win->w_vars, name, value, false, true, err);
}
/// Removes a window-scoped (w:) variable
///
-/// @param window The window handle
-/// @param name The variable name
-/// @param[out] err Details of an error that may have occurred
-/// @return The old value or nil if there was no previous value.
+/// @deprecated
///
-/// @warning It may return nil if there was no previous value
-/// or if previous value was `v:null`.
+/// @param window Window handle
+/// @param name variable name
+/// @param[out] err Error details, if any
+/// @return Old value
Object window_del_var(Window window, String name, Error *err)
{
win_T *win = find_window_by_handle(window, err);
@@ -235,16 +320,17 @@ Object window_del_var(Window window, String name, Error *err)
return (Object) OBJECT_INIT;
}
- return dict_set_value(win->w_vars, name, NIL, true, err);
+ return dict_set_var(win->w_vars, name, NIL, true, true, err);
}
/// Gets a window option value
///
-/// @param window The window handle
-/// @param name The option name
-/// @param[out] err Details of an error that may have occurred
-/// @return The option value
-Object window_get_option(Window window, String name, Error *err)
+/// @param window Window handle
+/// @param name Option name
+/// @param[out] err Error details, if any
+/// @return Option value
+Object nvim_win_get_option(Window window, String name, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -258,11 +344,13 @@ Object window_get_option(Window window, String name, Error *err)
/// Sets a window option value. Passing 'nil' as value deletes the option(only
/// works if there's a global fallback)
///
-/// @param window The window handle
-/// @param name The option name
-/// @param value The option value
-/// @param[out] err Details of an error that may have occurred
-void window_set_option(Window window, String name, Object value, Error *err)
+/// @param window Window handle
+/// @param name Option name
+/// @param value Option value
+/// @param[out] err Error details, if any
+void nvim_win_set_option(uint64_t channel_id, Window window,
+ String name, Object value, Error *err)
+ FUNC_API_SINCE(1)
{
win_T *win = find_window_by_handle(window, err);
@@ -270,15 +358,16 @@ void window_set_option(Window window, String name, Object value, Error *err)
return;
}
- set_option_to(win, SREQ_WIN, name, value, err);
+ set_option_to(channel_id, win, SREQ_WIN, name, value, err);
}
/// Gets the window position in display cells. First position is zero.
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return The (row, col) tuple with the window position
-ArrayOf(Integer, 2) window_get_position(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return (row, col) tuple with the window position
+ArrayOf(Integer, 2) nvim_win_get_position(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
Array rv = ARRAY_DICT_INIT;
win_T *win = find_window_by_handle(window, err);
@@ -291,12 +380,13 @@ ArrayOf(Integer, 2) window_get_position(Window window, Error *err)
return rv;
}
-/// Gets the window tab page
+/// Gets the window tabpage
///
-/// @param window The window handle
-/// @param[out] err Details of an error that may have occurred
-/// @return The tab page that contains the window
-Tabpage window_get_tabpage(Window window, Error *err)
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return Tabpage that contains the window
+Tabpage nvim_win_get_tabpage(Window window, Error *err)
+ FUNC_API_SINCE(1)
{
Tabpage rv = 0;
win_T *win = find_window_by_handle(window, err);
@@ -308,13 +398,37 @@ Tabpage window_get_tabpage(Window window, Error *err)
return rv;
}
+/// Gets the window number
+///
+/// @param window Window handle
+/// @param[out] err Error details, if any
+/// @return Window number
+Integer nvim_win_get_number(Window window, Error *err)
+ FUNC_API_SINCE(1)
+{
+ int rv = 0;
+ win_T *win = find_window_by_handle(window, err);
+
+ if (!win) {
+ return rv;
+ }
+
+ int tabnr;
+ win_get_tabwin(window, &tabnr, &rv);
+
+ return rv;
+}
+
/// Checks if a window is valid
///
-/// @param window The window handle
+/// @param window Window handle
/// @return true if the window is valid, false otherwise
-Boolean window_is_valid(Window window)
+Boolean nvim_win_is_valid(Window window)
+ FUNC_API_SINCE(1)
{
Error stub = ERROR_INIT;
- return find_window_by_handle(window, &stub) != NULL;
+ Boolean ret = find_window_by_handle(window, &stub) != NULL;
+ api_clear_error(&stub);
+ return ret;
}