patch 8.2.0443: clipboard code is spread out
Problem: Clipboard code is spread out.
Solution: Move clipboard code to its own file. (Yegappan Lakshmanan,
closes #5827)
diff --git a/src/ui.c b/src/ui.c
index 6df1485..050b162 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -12,18 +12,11 @@
* 1. Keyboard input stuff, and a bit of windowing stuff. These are called
* before the machine specific stuff (mch_*) so that we can call the GUI
* stuff instead if the GUI is running.
- * 2. Clipboard stuff.
- * 3. Input buffer stuff.
+ * 2. Input buffer stuff.
*/
#include "vim.h"
-#ifdef FEAT_CYGWIN_WIN32_CLIPBOARD
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-# include "winclip.pro"
-#endif
-
void
ui_write(char_u *s, int len)
{
@@ -712,1331 +705,6 @@
}
//////////////////////////////////////////////////////////////////////////////
-// Functions for copying and pasting text between applications.
-// This is always included in a GUI version, but may also be included when the
-// clipboard and mouse is available to a terminal version such as xterm.
-// Note: there are some more functions in ops.c that handle selection stuff.
-//
-// Also note that the majority of functions here deal with the X 'primary'
-// (visible - for Visual mode use) selection, and only that. There are no
-// versions of these for the 'clipboard' selection, as Visual mode has no use
-// for them.
-
-#if defined(FEAT_CLIPBOARD) || defined(PROTO)
-
-static void clip_gen_lose_selection(Clipboard_T *cbd);
-static int clip_gen_own_selection(Clipboard_T *cbd);
-#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)
-static int clip_x11_owner_exists(Clipboard_T *cbd);
-#endif
-
-/*
- * Selection stuff using Visual mode, for cutting and pasting text to other
- * windows.
- */
-
-/*
- * Call this to initialise the clipboard. Pass it FALSE if the clipboard code
- * is included, but the clipboard can not be used, or TRUE if the clipboard can
- * be used. Eg unix may call this with FALSE, then call it again with TRUE if
- * the GUI starts.
- */
- void
-clip_init(int can_use)
-{
- Clipboard_T *cb;
-
- cb = &clip_star;
- for (;;)
- {
- cb->available = can_use;
- cb->owned = FALSE;
- cb->start.lnum = 0;
- cb->start.col = 0;
- cb->end.lnum = 0;
- cb->end.col = 0;
- cb->state = SELECT_CLEARED;
-
- if (cb == &clip_plus)
- break;
- cb = &clip_plus;
- }
-}
-
-/*
- * Check whether the VIsual area has changed, and if so try to become the owner
- * of the selection, and free any old converted selection we may still have
- * lying around. If the VIsual mode has ended, make a copy of what was
- * selected so we can still give it to others. Will probably have to make sure
- * this is called whenever VIsual mode is ended.
- */
- void
-clip_update_selection(Clipboard_T *clip)
-{
- pos_T start, end;
-
- // If visual mode is only due to a redo command ("."), then ignore it
- if (!redo_VIsual_busy && VIsual_active && (State & NORMAL))
- {
- if (LT_POS(VIsual, curwin->w_cursor))
- {
- start = VIsual;
- end = curwin->w_cursor;
- if (has_mbyte)
- end.col += (*mb_ptr2len)(ml_get_cursor()) - 1;
- }
- else
- {
- start = curwin->w_cursor;
- end = VIsual;
- }
- if (!EQUAL_POS(clip->start, start)
- || !EQUAL_POS(clip->end, end)
- || clip->vmode != VIsual_mode)
- {
- clip_clear_selection(clip);
- clip->start = start;
- clip->end = end;
- clip->vmode = VIsual_mode;
- clip_free_selection(clip);
- clip_own_selection(clip);
- clip_gen_set_selection(clip);
- }
- }
-}
-
- void
-clip_own_selection(Clipboard_T *cbd)
-{
- /*
- * Also want to check somehow that we are reading from the keyboard rather
- * than a mapping etc.
- */
-#ifdef FEAT_X11
- // Always own the selection, we might have lost it without being
- // notified, e.g. during a ":sh" command.
- if (cbd->available)
- {
- int was_owned = cbd->owned;
-
- cbd->owned = (clip_gen_own_selection(cbd) == OK);
- if (!was_owned && (cbd == &clip_star || cbd == &clip_plus))
- {
- // May have to show a different kind of highlighting for the
- // selected area. There is no specific redraw command for this,
- // just redraw all windows on the current buffer.
- if (cbd->owned
- && (get_real_state() == VISUAL
- || get_real_state() == SELECTMODE)
- && (cbd == &clip_star ? clip_isautosel_star()
- : clip_isautosel_plus())
- && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
- redraw_curbuf_later(INVERTED_ALL);
- }
- }
-#else
- // Only own the clipboard when we didn't own it yet.
- if (!cbd->owned && cbd->available)
- cbd->owned = (clip_gen_own_selection(cbd) == OK);
-#endif
-}
-
- void
-clip_lose_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_X11
- int was_owned = cbd->owned;
-#endif
- int visual_selection = FALSE;
-
- if (cbd == &clip_star || cbd == &clip_plus)
- visual_selection = TRUE;
-
- clip_free_selection(cbd);
- cbd->owned = FALSE;
- if (visual_selection)
- clip_clear_selection(cbd);
- clip_gen_lose_selection(cbd);
-#ifdef FEAT_X11
- if (visual_selection)
- {
- // May have to show a different kind of highlighting for the selected
- // area. There is no specific redraw command for this, just redraw all
- // windows on the current buffer.
- if (was_owned
- && (get_real_state() == VISUAL
- || get_real_state() == SELECTMODE)
- && (cbd == &clip_star ?
- clip_isautosel_star() : clip_isautosel_plus())
- && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
- {
- update_curbuf(INVERTED_ALL);
- setcursor();
- cursor_on();
- out_flush_cursor(TRUE, FALSE);
- }
- }
-#endif
-}
-
- static void
-clip_copy_selection(Clipboard_T *clip)
-{
- if (VIsual_active && (State & NORMAL) && clip->available)
- {
- clip_update_selection(clip);
- clip_free_selection(clip);
- clip_own_selection(clip);
- if (clip->owned)
- clip_get_selection(clip);
- clip_gen_set_selection(clip);
- }
-}
-
-/*
- * Save and restore clip_unnamed before doing possibly many changes. This
- * prevents accessing the clipboard very often which might slow down Vim
- * considerably.
- */
-static int global_change_count = 0; // if set, inside a start_global_changes
-static int clipboard_needs_update = FALSE; // clipboard needs to be updated
-static int clip_did_set_selection = TRUE;
-
-/*
- * Save clip_unnamed and reset it.
- */
- void
-start_global_changes(void)
-{
- if (++global_change_count > 1)
- return;
- clip_unnamed_saved = clip_unnamed;
- clipboard_needs_update = FALSE;
-
- if (clip_did_set_selection)
- {
- clip_unnamed = 0;
- clip_did_set_selection = FALSE;
- }
-}
-
-/*
- * Return TRUE if setting the clipboard was postponed, it already contains the
- * right text.
- */
- int
-is_clipboard_needs_update()
-{
- return clipboard_needs_update;
-}
-
-/*
- * Restore clip_unnamed and set the selection when needed.
- */
- void
-end_global_changes(void)
-{
- if (--global_change_count > 0)
- // recursive
- return;
- if (!clip_did_set_selection)
- {
- clip_did_set_selection = TRUE;
- clip_unnamed = clip_unnamed_saved;
- clip_unnamed_saved = 0;
- if (clipboard_needs_update)
- {
- // only store something in the clipboard,
- // if we have yanked anything to it
- if (clip_unnamed & CLIP_UNNAMED)
- {
- clip_own_selection(&clip_star);
- clip_gen_set_selection(&clip_star);
- }
- if (clip_unnamed & CLIP_UNNAMED_PLUS)
- {
- clip_own_selection(&clip_plus);
- clip_gen_set_selection(&clip_plus);
- }
- }
- }
- clipboard_needs_update = FALSE;
-}
-
-/*
- * Called when Visual mode is ended: update the selection.
- */
- void
-clip_auto_select(void)
-{
- if (clip_isautosel_star())
- clip_copy_selection(&clip_star);
- if (clip_isautosel_plus())
- clip_copy_selection(&clip_plus);
-}
-
-/*
- * Return TRUE if automatic selection of Visual area is desired for the *
- * register.
- */
- int
-clip_isautosel_star(void)
-{
- return (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) :
-#endif
- clip_autoselect_star);
-}
-
-/*
- * Return TRUE if automatic selection of Visual area is desired for the +
- * register.
- */
- int
-clip_isautosel_plus(void)
-{
- return (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASELPLUS) != NULL) :
-#endif
- clip_autoselect_plus);
-}
-
-
-/*
- * Stuff for general mouse selection, without using Visual mode.
- */
-
-static void clip_invert_area(Clipboard_T *, int, int, int, int, int how);
-static void clip_invert_rectangle(Clipboard_T *, int row, int col, int height, int width, int invert);
-static void clip_get_word_boundaries(Clipboard_T *, int, int);
-static int clip_get_line_end(Clipboard_T *, int);
-static void clip_update_modeless_selection(Clipboard_T *, int, int, int, int);
-
-// "how" flags for clip_invert_area()
-#define CLIP_CLEAR 1
-#define CLIP_SET 2
-#define CLIP_TOGGLE 3
-
-/*
- * Start, continue or end a modeless selection. Used when editing the
- * command-line, in the cmdline window and when the mouse is in a popup window.
- */
- void
-clip_modeless(int button, int is_click, int is_drag)
-{
- int repeat;
-
- repeat = ((clip_star.mode == SELECT_MODE_CHAR
- || clip_star.mode == SELECT_MODE_LINE)
- && (mod_mask & MOD_MASK_2CLICK))
- || (clip_star.mode == SELECT_MODE_WORD
- && (mod_mask & MOD_MASK_3CLICK));
- if (is_click && button == MOUSE_RIGHT)
- {
- // Right mouse button: If there was no selection, start one.
- // Otherwise extend the existing selection.
- if (clip_star.state == SELECT_CLEARED)
- clip_start_selection(mouse_col, mouse_row, FALSE);
- clip_process_selection(button, mouse_col, mouse_row, repeat);
- }
- else if (is_click)
- clip_start_selection(mouse_col, mouse_row, repeat);
- else if (is_drag)
- {
- // Don't try extending a selection if there isn't one. Happens when
- // button-down is in the cmdline and then moving mouse upwards.
- if (clip_star.state != SELECT_CLEARED)
- clip_process_selection(button, mouse_col, mouse_row, repeat);
- }
- else // release
- clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE);
-}
-
-/*
- * Compare two screen positions ala strcmp()
- */
- static int
-clip_compare_pos(
- int row1,
- int col1,
- int row2,
- int col2)
-{
- if (row1 > row2) return(1);
- if (row1 < row2) return(-1);
- if (col1 > col2) return(1);
- if (col1 < col2) return(-1);
- return(0);
-}
-
-/*
- * Start the selection
- */
- void
-clip_start_selection(int col, int row, int repeated_click)
-{
- Clipboard_T *cb = &clip_star;
-#ifdef FEAT_PROP_POPUP
- win_T *wp;
- int row_cp = row;
- int col_cp = col;
-
- wp = mouse_find_win(&row_cp, &col_cp, FIND_POPUP);
- if (wp != NULL && WIN_IS_POPUP(wp)
- && popup_is_in_scrollbar(wp, row_cp, col_cp))
- // click or double click in scrollbar does not start a selection
- return;
-#endif
-
- if (cb->state == SELECT_DONE)
- clip_clear_selection(cb);
-
- row = check_row(row);
- col = check_col(col);
- col = mb_fix_col(col, row);
-
- cb->start.lnum = row;
- cb->start.col = col;
- cb->end = cb->start;
- cb->origin_row = (short_u)cb->start.lnum;
- cb->state = SELECT_IN_PROGRESS;
-#ifdef FEAT_PROP_POPUP
- if (wp != NULL && WIN_IS_POPUP(wp))
- {
- // Click in a popup window restricts selection to that window,
- // excluding the border.
- cb->min_col = wp->w_wincol + wp->w_popup_border[3];
- cb->max_col = wp->w_wincol + popup_width(wp)
- - wp->w_popup_border[1] - wp->w_has_scrollbar;
- if (cb->max_col > screen_Columns)
- cb->max_col = screen_Columns;
- cb->min_row = wp->w_winrow + wp->w_popup_border[0];
- cb->max_row = wp->w_winrow + popup_height(wp) - 1
- - wp->w_popup_border[2];
- }
- else
- {
- cb->min_col = 0;
- cb->max_col = screen_Columns;
- cb->min_row = 0;
- cb->max_row = screen_Rows;
- }
-#endif
-
- if (repeated_click)
- {
- if (++cb->mode > SELECT_MODE_LINE)
- cb->mode = SELECT_MODE_CHAR;
- }
- else
- cb->mode = SELECT_MODE_CHAR;
-
-#ifdef FEAT_GUI
- // clear the cursor until the selection is made
- if (gui.in_use)
- gui_undraw_cursor();
-#endif
-
- switch (cb->mode)
- {
- case SELECT_MODE_CHAR:
- cb->origin_start_col = cb->start.col;
- cb->word_end_col = clip_get_line_end(cb, (int)cb->start.lnum);
- break;
-
- case SELECT_MODE_WORD:
- clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col);
- cb->origin_start_col = cb->word_start_col;
- cb->origin_end_col = cb->word_end_col;
-
- clip_invert_area(cb, (int)cb->start.lnum, cb->word_start_col,
- (int)cb->end.lnum, cb->word_end_col, CLIP_SET);
- cb->start.col = cb->word_start_col;
- cb->end.col = cb->word_end_col;
- break;
-
- case SELECT_MODE_LINE:
- clip_invert_area(cb, (int)cb->start.lnum, 0, (int)cb->start.lnum,
- (int)Columns, CLIP_SET);
- cb->start.col = 0;
- cb->end.col = Columns;
- break;
- }
-
- cb->prev = cb->start;
-
-#ifdef DEBUG_SELECTION
- printf("Selection started at (%ld,%d)\n", cb->start.lnum, cb->start.col);
-#endif
-}
-
-/*
- * Continue processing the selection
- */
- void
-clip_process_selection(
- int button,
- int col,
- int row,
- int_u repeated_click)
-{
- Clipboard_T *cb = &clip_star;
- int diff;
- int slen = 1; // cursor shape width
-
- if (button == MOUSE_RELEASE)
- {
- if (cb->state != SELECT_IN_PROGRESS)
- return;
-
- // Check to make sure we have something selected
- if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col)
- {
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_update_cursor(FALSE, FALSE);
-#endif
- cb->state = SELECT_CLEARED;
- return;
- }
-
-#ifdef DEBUG_SELECTION
- printf("Selection ended: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
- cb->start.col, cb->end.lnum, cb->end.col);
-#endif
- if (clip_isautosel_star()
- || (
-#ifdef FEAT_GUI
- gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) :
-#endif
- clip_autoselectml))
- clip_copy_modeless_selection(FALSE);
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_update_cursor(FALSE, FALSE);
-#endif
-
- cb->state = SELECT_DONE;
- return;
- }
-
- row = check_row(row);
- col = check_col(col);
- col = mb_fix_col(col, row);
-
- if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click)
- return;
-
- /*
- * When extending the selection with the right mouse button, swap the
- * start and end if the position is before half the selection
- */
- if (cb->state == SELECT_DONE && button == MOUSE_RIGHT)
- {
- /*
- * If the click is before the start, or the click is inside the
- * selection and the start is the closest side, set the origin to the
- * end of the selection.
- */
- if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0
- || (clip_compare_pos(row, col,
- (int)cb->end.lnum, cb->end.col) < 0
- && (((cb->start.lnum == cb->end.lnum
- && cb->end.col - col > col - cb->start.col))
- || ((diff = (cb->end.lnum - row) -
- (row - cb->start.lnum)) > 0
- || (diff == 0 && col < (int)(cb->start.col +
- cb->end.col) / 2)))))
- {
- cb->origin_row = (short_u)cb->end.lnum;
- cb->origin_start_col = cb->end.col - 1;
- cb->origin_end_col = cb->end.col;
- }
- else
- {
- cb->origin_row = (short_u)cb->start.lnum;
- cb->origin_start_col = cb->start.col;
- cb->origin_end_col = cb->start.col;
- }
- if (cb->mode == SELECT_MODE_WORD && !repeated_click)
- cb->mode = SELECT_MODE_CHAR;
- }
-
- // set state, for when using the right mouse button
- cb->state = SELECT_IN_PROGRESS;
-
-#ifdef DEBUG_SELECTION
- printf("Selection extending to (%d,%d)\n", row, col);
-#endif
-
- if (repeated_click && ++cb->mode > SELECT_MODE_LINE)
- cb->mode = SELECT_MODE_CHAR;
-
- switch (cb->mode)
- {
- case SELECT_MODE_CHAR:
- // If we're on a different line, find where the line ends
- if (row != cb->prev.lnum)
- cb->word_end_col = clip_get_line_end(cb, row);
-
- // See if we are before or after the origin of the selection
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- {
- if (col >= (int)cb->word_end_col)
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, (int)Columns);
- else
- {
- if (has_mbyte && mb_lefthalve(row, col))
- slen = 2;
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, col + slen);
- }
- }
- else
- {
- if (has_mbyte
- && mb_lefthalve(cb->origin_row, cb->origin_start_col))
- slen = 2;
- if (col >= (int)cb->word_end_col)
- clip_update_modeless_selection(cb, row, cb->word_end_col,
- cb->origin_row, cb->origin_start_col + slen);
- else
- clip_update_modeless_selection(cb, row, col,
- cb->origin_row, cb->origin_start_col + slen);
- }
- break;
-
- case SELECT_MODE_WORD:
- // If we are still within the same word, do nothing
- if (row == cb->prev.lnum && col >= (int)cb->word_start_col
- && col < (int)cb->word_end_col && !repeated_click)
- return;
-
- // Get new word boundaries
- clip_get_word_boundaries(cb, row, col);
-
- // Handle being after the origin point of selection
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- clip_update_modeless_selection(cb, cb->origin_row,
- cb->origin_start_col, row, cb->word_end_col);
- else
- clip_update_modeless_selection(cb, row, cb->word_start_col,
- cb->origin_row, cb->origin_end_col);
- break;
-
- case SELECT_MODE_LINE:
- if (row == cb->prev.lnum && !repeated_click)
- return;
-
- if (clip_compare_pos(row, col, cb->origin_row,
- cb->origin_start_col) >= 0)
- clip_update_modeless_selection(cb, cb->origin_row, 0, row,
- (int)Columns);
- else
- clip_update_modeless_selection(cb, row, 0, cb->origin_row,
- (int)Columns);
- break;
- }
-
- cb->prev.lnum = row;
- cb->prev.col = col;
-
-#ifdef DEBUG_SELECTION
- printf("Selection is: (%ld,%d) to (%ld,%d)\n", cb->start.lnum,
- cb->start.col, cb->end.lnum, cb->end.col);
-#endif
-}
-
-# if defined(FEAT_GUI) || defined(PROTO)
-/*
- * Redraw part of the selection if character at "row,col" is inside of it.
- * Only used for the GUI.
- */
- void
-clip_may_redraw_selection(int row, int col, int len)
-{
- int start = col;
- int end = col + len;
-
- if (clip_star.state != SELECT_CLEARED
- && row >= clip_star.start.lnum
- && row <= clip_star.end.lnum)
- {
- if (row == clip_star.start.lnum && start < (int)clip_star.start.col)
- start = clip_star.start.col;
- if (row == clip_star.end.lnum && end > (int)clip_star.end.col)
- end = clip_star.end.col;
- if (end > start)
- clip_invert_area(&clip_star, row, start, row, end, 0);
- }
-}
-# endif
-
-/*
- * Called from outside to clear selected region from the display
- */
- void
-clip_clear_selection(Clipboard_T *cbd)
-{
-
- if (cbd->state == SELECT_CLEARED)
- return;
-
- clip_invert_area(cbd, (int)cbd->start.lnum, cbd->start.col,
- (int)cbd->end.lnum, cbd->end.col, CLIP_CLEAR);
- cbd->state = SELECT_CLEARED;
-}
-
-/*
- * Clear the selection if any lines from "row1" to "row2" are inside of it.
- */
- void
-clip_may_clear_selection(int row1, int row2)
-{
- if (clip_star.state == SELECT_DONE
- && row2 >= clip_star.start.lnum
- && row1 <= clip_star.end.lnum)
- clip_clear_selection(&clip_star);
-}
-
-/*
- * Called before the screen is scrolled up or down. Adjusts the line numbers
- * of the selection. Call with big number when clearing the screen.
- */
- void
-clip_scroll_selection(
- int rows) // negative for scroll down
-{
- int lnum;
-
- if (clip_star.state == SELECT_CLEARED)
- return;
-
- lnum = clip_star.start.lnum - rows;
- if (lnum <= 0)
- clip_star.start.lnum = 0;
- else if (lnum >= screen_Rows) // scrolled off of the screen
- clip_star.state = SELECT_CLEARED;
- else
- clip_star.start.lnum = lnum;
-
- lnum = clip_star.end.lnum - rows;
- if (lnum < 0) // scrolled off of the screen
- clip_star.state = SELECT_CLEARED;
- else if (lnum >= screen_Rows)
- clip_star.end.lnum = screen_Rows - 1;
- else
- clip_star.end.lnum = lnum;
-}
-
-/*
- * Invert a region of the display between a starting and ending row and column
- * Values for "how":
- * CLIP_CLEAR: undo inversion
- * CLIP_SET: set inversion
- * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise.
- * 0: invert (GUI only).
- */
- static void
-clip_invert_area(
- Clipboard_T *cbd,
- int row1,
- int col1,
- int row2,
- int col2,
- int how)
-{
- int invert = FALSE;
- int max_col;
-
-#ifdef FEAT_PROP_POPUP
- max_col = cbd->max_col - 1;
-#else
- max_col = Columns - 1;
-#endif
-
- if (how == CLIP_SET)
- invert = TRUE;
-
- // Swap the from and to positions so the from is always before
- if (clip_compare_pos(row1, col1, row2, col2) > 0)
- {
- int tmp_row, tmp_col;
-
- tmp_row = row1;
- tmp_col = col1;
- row1 = row2;
- col1 = col2;
- row2 = tmp_row;
- col2 = tmp_col;
- }
- else if (how == CLIP_TOGGLE)
- invert = TRUE;
-
- // If all on the same line, do it the easy way
- if (row1 == row2)
- {
- clip_invert_rectangle(cbd, row1, col1, 1, col2 - col1, invert);
- }
- else
- {
- // Handle a piece of the first line
- if (col1 > 0)
- {
- clip_invert_rectangle(cbd, row1, col1, 1,
- (int)Columns - col1, invert);
- row1++;
- }
-
- // Handle a piece of the last line
- if (col2 < max_col)
- {
- clip_invert_rectangle(cbd, row2, 0, 1, col2, invert);
- row2--;
- }
-
- // Handle the rectangle that's left
- if (row2 >= row1)
- clip_invert_rectangle(cbd, row1, 0, row2 - row1 + 1,
- (int)Columns, invert);
- }
-}
-
-/*
- * Invert or un-invert a rectangle of the screen.
- * "invert" is true if the result is inverted.
- */
- static void
-clip_invert_rectangle(
- Clipboard_T *cbd UNUSED,
- int row_arg,
- int col_arg,
- int height_arg,
- int width_arg,
- int invert)
-{
- int row = row_arg;
- int col = col_arg;
- int height = height_arg;
- int width = width_arg;
-
-#ifdef FEAT_PROP_POPUP
- // this goes on top of all popup windows
- screen_zindex = CLIP_ZINDEX;
-
- if (col < cbd->min_col)
- {
- width -= cbd->min_col - col;
- col = cbd->min_col;
- }
- if (width > cbd->max_col - col)
- width = cbd->max_col - col;
- if (row < cbd->min_row)
- {
- height -= cbd->min_row - row;
- row = cbd->min_row;
- }
- if (height > cbd->max_row - row + 1)
- height = cbd->max_row - row + 1;
-#endif
-#ifdef FEAT_GUI
- if (gui.in_use)
- gui_mch_invert_rectangle(row, col, height, width);
- else
-#endif
- screen_draw_rectangle(row, col, height, width, invert);
-#ifdef FEAT_PROP_POPUP
- screen_zindex = 0;
-#endif
-}
-
-/*
- * Copy the currently selected area into the '*' register so it will be
- * available for pasting.
- * When "both" is TRUE also copy to the '+' register.
- */
- void
-clip_copy_modeless_selection(int both UNUSED)
-{
- char_u *buffer;
- char_u *bufp;
- int row;
- int start_col;
- int end_col;
- int line_end_col;
- int add_newline_flag = FALSE;
- int len;
- char_u *p;
- int row1 = clip_star.start.lnum;
- int col1 = clip_star.start.col;
- int row2 = clip_star.end.lnum;
- int col2 = clip_star.end.col;
-
- // Can't use ScreenLines unless initialized
- if (ScreenLines == NULL)
- return;
-
- /*
- * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2.
- */
- if (row1 > row2)
- {
- row = row1; row1 = row2; row2 = row;
- row = col1; col1 = col2; col2 = row;
- }
- else if (row1 == row2 && col1 > col2)
- {
- row = col1; col1 = col2; col2 = row;
- }
-#ifdef FEAT_PROP_POPUP
- if (col1 < clip_star.min_col)
- col1 = clip_star.min_col;
- if (col2 > clip_star.max_col)
- col2 = clip_star.max_col;
- if (row1 > clip_star.max_row || row2 < clip_star.min_row)
- return;
- if (row1 < clip_star.min_row)
- row1 = clip_star.min_row;
- if (row2 > clip_star.max_row)
- row2 = clip_star.max_row;
-#endif
- // correct starting point for being on right halve of double-wide char
- p = ScreenLines + LineOffset[row1];
- if (enc_dbcs != 0)
- col1 -= (*mb_head_off)(p, p + col1);
- else if (enc_utf8 && p[col1] == 0)
- --col1;
-
- // Create a temporary buffer for storing the text
- len = (row2 - row1 + 1) * Columns + 1;
- if (enc_dbcs != 0)
- len *= 2; // max. 2 bytes per display cell
- else if (enc_utf8)
- len *= MB_MAXBYTES;
- buffer = alloc(len);
- if (buffer == NULL) // out of memory
- return;
-
- // Process each row in the selection
- for (bufp = buffer, row = row1; row <= row2; row++)
- {
- if (row == row1)
- start_col = col1;
- else
-#ifdef FEAT_PROP_POPUP
- start_col = clip_star.min_col;
-#else
- start_col = 0;
-#endif
-
- if (row == row2)
- end_col = col2;
- else
-#ifdef FEAT_PROP_POPUP
- end_col = clip_star.max_col;
-#else
- end_col = Columns;
-#endif
-
- line_end_col = clip_get_line_end(&clip_star, row);
-
- // See if we need to nuke some trailing whitespace
- if (end_col >=
-#ifdef FEAT_PROP_POPUP
- clip_star.max_col
-#else
- Columns
-#endif
- && (row < row2 || end_col > line_end_col))
- {
- // Get rid of trailing whitespace
- end_col = line_end_col;
- if (end_col < start_col)
- end_col = start_col;
-
- // If the last line extended to the end, add an extra newline
- if (row == row2)
- add_newline_flag = TRUE;
- }
-
- // If after the first row, we need to always add a newline
- if (row > row1 && !LineWraps[row - 1])
- *bufp++ = NL;
-
- // Safetey check for in case resizing went wrong
- if (row < screen_Rows && end_col <= screen_Columns)
- {
- if (enc_dbcs != 0)
- {
- int i;
-
- p = ScreenLines + LineOffset[row];
- for (i = start_col; i < end_col; ++i)
- if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e)
- {
- // single-width double-byte char
- *bufp++ = 0x8e;
- *bufp++ = ScreenLines2[LineOffset[row] + i];
- }
- else
- {
- *bufp++ = p[i];
- if (MB_BYTE2LEN(p[i]) == 2)
- *bufp++ = p[++i];
- }
- }
- else if (enc_utf8)
- {
- int off;
- int i;
- int ci;
-
- off = LineOffset[row];
- for (i = start_col; i < end_col; ++i)
- {
- // The base character is either in ScreenLinesUC[] or
- // ScreenLines[].
- if (ScreenLinesUC[off + i] == 0)
- *bufp++ = ScreenLines[off + i];
- else
- {
- bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp);
- for (ci = 0; ci < Screen_mco; ++ci)
- {
- // Add a composing character.
- if (ScreenLinesC[ci][off + i] == 0)
- break;
- bufp += utf_char2bytes(ScreenLinesC[ci][off + i],
- bufp);
- }
- }
- // Skip right halve of double-wide character.
- if (ScreenLines[off + i + 1] == 0)
- ++i;
- }
- }
- else
- {
- STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col,
- end_col - start_col);
- bufp += end_col - start_col;
- }
- }
- }
-
- // Add a newline at the end if the selection ended there
- if (add_newline_flag)
- *bufp++ = NL;
-
- // First cleanup any old selection and become the owner.
- clip_free_selection(&clip_star);
- clip_own_selection(&clip_star);
-
- // Yank the text into the '*' register.
- clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star);
-
- // Make the register contents available to the outside world.
- clip_gen_set_selection(&clip_star);
-
-#ifdef FEAT_X11
- if (both)
- {
- // Do the same for the '+' register.
- clip_free_selection(&clip_plus);
- clip_own_selection(&clip_plus);
- clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus);
- clip_gen_set_selection(&clip_plus);
- }
-#endif
- vim_free(buffer);
-}
-
-/*
- * Find the starting and ending positions of the word at the given row and
- * column. Only white-separated words are recognized here.
- */
-#define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c))
-
- static void
-clip_get_word_boundaries(Clipboard_T *cb, int row, int col)
-{
- int start_class;
- int temp_col;
- char_u *p;
- int mboff;
-
- if (row >= screen_Rows || col >= screen_Columns || ScreenLines == NULL)
- return;
-
- p = ScreenLines + LineOffset[row];
- // Correct for starting in the right halve of a double-wide char
- if (enc_dbcs != 0)
- col -= dbcs_screen_head_off(p, p + col);
- else if (enc_utf8 && p[col] == 0)
- --col;
- start_class = CHAR_CLASS(p[col]);
-
- temp_col = col;
- for ( ; temp_col > 0; temp_col--)
- if (enc_dbcs != 0
- && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0)
- temp_col -= mboff;
- else if (CHAR_CLASS(p[temp_col - 1]) != start_class
- && !(enc_utf8 && p[temp_col - 1] == 0))
- break;
- cb->word_start_col = temp_col;
-
- temp_col = col;
- for ( ; temp_col < screen_Columns; temp_col++)
- if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2)
- ++temp_col;
- else if (CHAR_CLASS(p[temp_col]) != start_class
- && !(enc_utf8 && p[temp_col] == 0))
- break;
- cb->word_end_col = temp_col;
-}
-
-/*
- * Find the column position for the last non-whitespace character on the given
- * line at or before start_col.
- */
- static int
-clip_get_line_end(Clipboard_T *cbd UNUSED, int row)
-{
- int i;
-
- if (row >= screen_Rows || ScreenLines == NULL)
- return 0;
- for (i =
-#ifdef FEAT_PROP_POPUP
- cbd->max_col;
-#else
- screen_Columns;
-#endif
- i > 0; i--)
- if (ScreenLines[LineOffset[row] + i - 1] != ' ')
- break;
- return i;
-}
-
-/*
- * Update the currently selected region by adding and/or subtracting from the
- * beginning or end and inverting the changed area(s).
- */
- static void
-clip_update_modeless_selection(
- Clipboard_T *cb,
- int row1,
- int col1,
- int row2,
- int col2)
-{
- // See if we changed at the beginning of the selection
- if (row1 != cb->start.lnum || col1 != (int)cb->start.col)
- {
- clip_invert_area(cb, row1, col1, (int)cb->start.lnum, cb->start.col,
- CLIP_TOGGLE);
- cb->start.lnum = row1;
- cb->start.col = col1;
- }
-
- // See if we changed at the end of the selection
- if (row2 != cb->end.lnum || col2 != (int)cb->end.col)
- {
- clip_invert_area(cb, (int)cb->end.lnum, cb->end.col, row2, col2,
- CLIP_TOGGLE);
- cb->end.lnum = row2;
- cb->end.col = col2;
- }
-}
-
- static int
-clip_gen_own_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- return clip_mch_own_selection(cbd);
- else
-# endif
- return clip_xterm_own_selection(cbd);
-#else
- return clip_mch_own_selection(cbd);
-#endif
-}
-
- static void
-clip_gen_lose_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_lose_selection(cbd);
- else
-# endif
- clip_xterm_lose_selection(cbd);
-#else
- clip_mch_lose_selection(cbd);
-#endif
-}
-
- void
-clip_gen_set_selection(Clipboard_T *cbd)
-{
- if (!clip_did_set_selection)
- {
- // Updating postponed, so that accessing the system clipboard won't
- // hang Vim when accessing it many times (e.g. on a :g command).
- if ((cbd == &clip_plus && (clip_unnamed_saved & CLIP_UNNAMED_PLUS))
- || (cbd == &clip_star && (clip_unnamed_saved & CLIP_UNNAMED)))
- {
- clipboard_needs_update = TRUE;
- return;
- }
- }
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_set_selection(cbd);
- else
-# endif
- clip_xterm_set_selection(cbd);
-#else
- clip_mch_set_selection(cbd);
-#endif
-}
-
- void
-clip_gen_request_selection(Clipboard_T *cbd)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI
- if (gui.in_use)
- clip_mch_request_selection(cbd);
- else
-# endif
- clip_xterm_request_selection(cbd);
-#else
- clip_mch_request_selection(cbd);
-#endif
-}
-
-#if (defined(FEAT_X11) && defined(USE_SYSTEM)) || defined(PROTO)
- int
-clip_gen_owner_exists(Clipboard_T *cbd UNUSED)
-{
-#ifdef FEAT_XCLIPBOARD
-# ifdef FEAT_GUI_GTK
- if (gui.in_use)
- return clip_gtk_owner_exists(cbd);
- else
-# endif
- return clip_x11_owner_exists(cbd);
-#else
- return TRUE;
-#endif
-}
-#endif
-
-/*
- * Extract the items in the 'clipboard' option and set global values.
- * Return an error message or NULL for success.
- */
- char *
-check_clipboard_option(void)
-{
- int new_unnamed = 0;
- int new_autoselect_star = FALSE;
- int new_autoselect_plus = FALSE;
- int new_autoselectml = FALSE;
- int new_html = FALSE;
- regprog_T *new_exclude_prog = NULL;
- char *errmsg = NULL;
- char_u *p;
-
- for (p = p_cb; *p != NUL; )
- {
- if (STRNCMP(p, "unnamed", 7) == 0 && (p[7] == ',' || p[7] == NUL))
- {
- new_unnamed |= CLIP_UNNAMED;
- p += 7;
- }
- else if (STRNCMP(p, "unnamedplus", 11) == 0
- && (p[11] == ',' || p[11] == NUL))
- {
- new_unnamed |= CLIP_UNNAMED_PLUS;
- p += 11;
- }
- else if (STRNCMP(p, "autoselect", 10) == 0
- && (p[10] == ',' || p[10] == NUL))
- {
- new_autoselect_star = TRUE;
- p += 10;
- }
- else if (STRNCMP(p, "autoselectplus", 14) == 0
- && (p[14] == ',' || p[14] == NUL))
- {
- new_autoselect_plus = TRUE;
- p += 14;
- }
- else if (STRNCMP(p, "autoselectml", 12) == 0
- && (p[12] == ',' || p[12] == NUL))
- {
- new_autoselectml = TRUE;
- p += 12;
- }
- else if (STRNCMP(p, "html", 4) == 0 && (p[4] == ',' || p[4] == NUL))
- {
- new_html = TRUE;
- p += 4;
- }
- else if (STRNCMP(p, "exclude:", 8) == 0 && new_exclude_prog == NULL)
- {
- p += 8;
- new_exclude_prog = vim_regcomp(p, RE_MAGIC);
- if (new_exclude_prog == NULL)
- errmsg = e_invarg;
- break;
- }
- else
- {
- errmsg = e_invarg;
- break;
- }
- if (*p == ',')
- ++p;
- }
- if (errmsg == NULL)
- {
- clip_unnamed = new_unnamed;
- clip_autoselect_star = new_autoselect_star;
- clip_autoselect_plus = new_autoselect_plus;
- clip_autoselectml = new_autoselectml;
- clip_html = new_html;
- vim_regfree(clip_exclude_prog);
- clip_exclude_prog = new_exclude_prog;
-#ifdef FEAT_GUI_GTK
- if (gui.in_use)
- {
- gui_gtk_set_selection_targets();
- gui_gtk_set_dnd_targets();
- }
-#endif
- }
- else
- vim_regfree(new_exclude_prog);
-
- return errmsg;
-}
-
-#endif // FEAT_CLIPBOARD
-
-//////////////////////////////////////////////////////////////////////////////
// Functions that handle the input buffer.
// This is used for any GUI version, and the unix terminal version.
//
@@ -2431,557 +1099,6 @@
return row;
}
-/*
- * Stuff for the X clipboard. Shared between VMS and Unix.
- */
-
-#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO)
-# include <X11/Xatom.h>
-# include <X11/Intrinsic.h>
-
-/*
- * Open the application context (if it hasn't been opened yet).
- * Used for Motif and Athena GUI and the xterm clipboard.
- */
- void
-open_app_context(void)
-{
- if (app_context == NULL)
- {
- XtToolkitInitialize();
- app_context = XtCreateApplicationContext();
- }
-}
-
-static Atom vim_atom; // Vim's own special selection format
-static Atom vimenc_atom; // Vim's extended selection format
-static Atom utf8_atom;
-static Atom compound_text_atom;
-static Atom text_atom;
-static Atom targets_atom;
-static Atom timestamp_atom; // Used to get a timestamp
-
- void
-x11_setup_atoms(Display *dpy)
-{
- vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False);
- vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False);
- utf8_atom = XInternAtom(dpy, "UTF8_STRING", False);
- compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False);
- text_atom = XInternAtom(dpy, "TEXT", False);
- targets_atom = XInternAtom(dpy, "TARGETS", False);
- clip_star.sel_atom = XA_PRIMARY;
- clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False);
- timestamp_atom = XInternAtom(dpy, "TIMESTAMP", False);
-}
-
-/*
- * X Selection stuff, for cutting and pasting text to other windows.
- */
-
-static Boolean clip_x11_convert_selection_cb(Widget w, Atom *sel_atom, Atom *target, Atom *type, XtPointer *value, long_u *length, int *format);
-static void clip_x11_lose_ownership_cb(Widget w, Atom *sel_atom);
-static void clip_x11_notify_cb(Widget w, Atom *sel_atom, Atom *target);
-
-/*
- * Property callback to get a timestamp for XtOwnSelection.
- */
- static void
-clip_x11_timestamp_cb(
- Widget w,
- XtPointer n UNUSED,
- XEvent *event,
- Boolean *cont UNUSED)
-{
- Atom actual_type;
- int format;
- unsigned long nitems, bytes_after;
- unsigned char *prop=NULL;
- XPropertyEvent *xproperty=&event->xproperty;
-
- // Must be a property notify, state can't be Delete (True), has to be
- // one of the supported selection types.
- if (event->type != PropertyNotify || xproperty->state
- || (xproperty->atom != clip_star.sel_atom
- && xproperty->atom != clip_plus.sel_atom))
- return;
-
- if (XGetWindowProperty(xproperty->display, xproperty->window,
- xproperty->atom, 0, 0, False, timestamp_atom, &actual_type, &format,
- &nitems, &bytes_after, &prop))
- return;
-
- if (prop)
- XFree(prop);
-
- // Make sure the property type is "TIMESTAMP" and it's 32 bits.
- if (actual_type != timestamp_atom || format != 32)
- return;
-
- // Get the selection, using the event timestamp.
- if (XtOwnSelection(w, xproperty->atom, xproperty->time,
- clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
- clip_x11_notify_cb) == OK)
- {
- // Set the "owned" flag now, there may have been a call to
- // lose_ownership_cb in between.
- if (xproperty->atom == clip_plus.sel_atom)
- clip_plus.owned = TRUE;
- else
- clip_star.owned = TRUE;
- }
-}
-
- void
-x11_setup_selection(Widget w)
-{
- XtAddEventHandler(w, PropertyChangeMask, False,
- /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
-}
-
- static void
-clip_x11_request_selection_cb(
- Widget w UNUSED,
- XtPointer success,
- Atom *sel_atom,
- Atom *type,
- XtPointer value,
- long_u *length,
- int *format)
-{
- int motion_type = MAUTO;
- long_u len;
- char_u *p;
- char **text_list = NULL;
- Clipboard_T *cbd;
- char_u *tmpbuf = NULL;
-
- if (*sel_atom == clip_plus.sel_atom)
- cbd = &clip_plus;
- else
- cbd = &clip_star;
-
- if (value == NULL || *length == 0)
- {
- clip_free_selection(cbd); // nothing received, clear register
- *(int *)success = FALSE;
- return;
- }
- p = (char_u *)value;
- len = *length;
- if (*type == vim_atom)
- {
- motion_type = *p++;
- len--;
- }
-
- else if (*type == vimenc_atom)
- {
- char_u *enc;
- vimconv_T conv;
- int convlen;
-
- motion_type = *p++;
- --len;
-
- enc = p;
- p += STRLEN(p) + 1;
- len -= p - enc;
-
- // If the encoding of the text is different from 'encoding', attempt
- // converting it.
- conv.vc_type = CONV_NONE;
- convert_setup(&conv, enc, p_enc);
- if (conv.vc_type != CONV_NONE)
- {
- convlen = len; // Need to use an int here.
- tmpbuf = string_convert(&conv, p, &convlen);
- len = convlen;
- if (tmpbuf != NULL)
- p = tmpbuf;
- convert_setup(&conv, NULL, NULL);
- }
- }
-
- else if (*type == compound_text_atom
- || *type == utf8_atom
- || (enc_dbcs != 0 && *type == text_atom))
- {
- XTextProperty text_prop;
- int n_text = 0;
- int status;
-
- text_prop.value = (unsigned char *)value;
- text_prop.encoding = *type;
- text_prop.format = *format;
- text_prop.nitems = len;
-#if defined(X_HAVE_UTF8_STRING)
- if (*type == utf8_atom)
- status = Xutf8TextPropertyToTextList(X_DISPLAY, &text_prop,
- &text_list, &n_text);
- else
-#endif
- status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop,
- &text_list, &n_text);
- if (status != Success || n_text < 1)
- {
- *(int *)success = FALSE;
- return;
- }
- p = (char_u *)text_list[0];
- len = STRLEN(p);
- }
- clip_yank_selection(motion_type, p, (long)len, cbd);
-
- if (text_list != NULL)
- XFreeStringList(text_list);
- vim_free(tmpbuf);
- XtFree((char *)value);
- *(int *)success = TRUE;
-}
-
- void
-clip_x11_request_selection(
- Widget myShell,
- Display *dpy,
- Clipboard_T *cbd)
-{
- XEvent event;
- Atom type;
- static int success;
- int i;
- time_t start_time;
- int timed_out = FALSE;
-
- for (i = 0; i < 6; i++)
- {
- switch (i)
- {
- case 0: type = vimenc_atom; break;
- case 1: type = vim_atom; break;
- case 2: type = utf8_atom; break;
- case 3: type = compound_text_atom; break;
- case 4: type = text_atom; break;
- default: type = XA_STRING;
- }
- if (type == utf8_atom
-# if defined(X_HAVE_UTF8_STRING)
- && !enc_utf8
-# endif
- )
- // Only request utf-8 when 'encoding' is utf8 and
- // Xutf8TextPropertyToTextList is available.
- continue;
- success = MAYBE;
- XtGetSelectionValue(myShell, cbd->sel_atom, type,
- clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime);
-
- // Make sure the request for the selection goes out before waiting for
- // a response.
- XFlush(dpy);
-
- /*
- * Wait for result of selection request, otherwise if we type more
- * characters, then they will appear before the one that requested the
- * paste! Don't worry, we will catch up with any other events later.
- */
- start_time = time(NULL);
- while (success == MAYBE)
- {
- if (XCheckTypedEvent(dpy, PropertyNotify, &event)
- || XCheckTypedEvent(dpy, SelectionNotify, &event)
- || XCheckTypedEvent(dpy, SelectionRequest, &event))
- {
- // This is where clip_x11_request_selection_cb() should be
- // called. It may actually happen a bit later, so we loop
- // until "success" changes.
- // We may get a SelectionRequest here and if we don't handle
- // it we hang. KDE klipper does this, for example.
- // We need to handle a PropertyNotify for large selections.
- XtDispatchEvent(&event);
- continue;
- }
-
- // Time out after 2 to 3 seconds to avoid that we hang when the
- // other process doesn't respond. Note that the SelectionNotify
- // event may still come later when the selection owner comes back
- // to life and the text gets inserted unexpectedly. Don't know
- // why that happens or how to avoid that :-(.
- if (time(NULL) > start_time + 2)
- {
- timed_out = TRUE;
- break;
- }
-
- // Do we need this? Probably not.
- XSync(dpy, False);
-
- // Wait for 1 msec to avoid that we eat up all CPU time.
- ui_delay(1L, TRUE);
- }
-
- if (success == TRUE)
- return;
-
- // don't do a retry with another type after timing out, otherwise we
- // hang for 15 seconds.
- if (timed_out)
- break;
- }
-
- // Final fallback position - use the X CUT_BUFFER0 store
- yank_cut_buffer0(dpy, cbd);
-}
-
- static Boolean
-clip_x11_convert_selection_cb(
- Widget w UNUSED,
- Atom *sel_atom,
- Atom *target,
- Atom *type,
- XtPointer *value,
- long_u *length,
- int *format)
-{
- static char_u *save_result = NULL;
- static long_u save_length = 0;
- char_u *string;
- int motion_type;
- Clipboard_T *cbd;
- int i;
-
- if (*sel_atom == clip_plus.sel_atom)
- cbd = &clip_plus;
- else
- cbd = &clip_star;
-
- if (!cbd->owned)
- return False; // Shouldn't ever happen
-
- // requestor wants to know what target types we support
- if (*target == targets_atom)
- {
- static Atom array[7];
-
- *value = (XtPointer)array;
- i = 0;
- array[i++] = targets_atom;
- array[i++] = vimenc_atom;
- array[i++] = vim_atom;
- if (enc_utf8)
- array[i++] = utf8_atom;
- array[i++] = XA_STRING;
- array[i++] = text_atom;
- array[i++] = compound_text_atom;
-
- *type = XA_ATOM;
- // This used to be: *format = sizeof(Atom) * 8; but that caused
- // crashes on 64 bit machines. (Peter Derr)
- *format = 32;
- *length = i;
- return True;
- }
-
- if ( *target != XA_STRING
- && *target != vimenc_atom
- && (*target != utf8_atom || !enc_utf8)
- && *target != vim_atom
- && *target != text_atom
- && *target != compound_text_atom)
- return False;
-
- clip_get_selection(cbd);
- motion_type = clip_convert_selection(&string, length, cbd);
- if (motion_type < 0)
- return False;
-
- // For our own format, the first byte contains the motion type
- if (*target == vim_atom)
- (*length)++;
-
- // Our own format with encoding: motion 'encoding' NUL text
- if (*target == vimenc_atom)
- *length += STRLEN(p_enc) + 2;
-
- if (save_length < *length || save_length / 2 >= *length)
- *value = XtRealloc((char *)save_result, (Cardinal)*length + 1);
- else
- *value = save_result;
- if (*value == NULL)
- {
- vim_free(string);
- return False;
- }
- save_result = (char_u *)*value;
- save_length = *length;
-
- if (*target == XA_STRING || (*target == utf8_atom && enc_utf8))
- {
- mch_memmove(save_result, string, (size_t)(*length));
- *type = *target;
- }
- else if (*target == compound_text_atom || *target == text_atom)
- {
- XTextProperty text_prop;
- char *string_nt = (char *)save_result;
- int conv_result;
-
- // create NUL terminated string which XmbTextListToTextProperty wants
- mch_memmove(string_nt, string, (size_t)*length);
- string_nt[*length] = NUL;
- conv_result = XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt,
- 1, XCompoundTextStyle, &text_prop);
- if (conv_result != Success)
- {
- vim_free(string);
- return False;
- }
- *value = (XtPointer)(text_prop.value); // from plain text
- *length = text_prop.nitems;
- *type = compound_text_atom;
- XtFree((char *)save_result);
- save_result = (char_u *)*value;
- save_length = *length;
- }
- else if (*target == vimenc_atom)
- {
- int l = STRLEN(p_enc);
-
- save_result[0] = motion_type;
- STRCPY(save_result + 1, p_enc);
- mch_memmove(save_result + l + 2, string, (size_t)(*length - l - 2));
- *type = vimenc_atom;
- }
- else
- {
- save_result[0] = motion_type;
- mch_memmove(save_result + 1, string, (size_t)(*length - 1));
- *type = vim_atom;
- }
- *format = 8; // 8 bits per char
- vim_free(string);
- return True;
-}
-
- static void
-clip_x11_lose_ownership_cb(Widget w UNUSED, Atom *sel_atom)
-{
- if (*sel_atom == clip_plus.sel_atom)
- clip_lose_selection(&clip_plus);
- else
- clip_lose_selection(&clip_star);
-}
-
- void
-clip_x11_lose_selection(Widget myShell, Clipboard_T *cbd)
-{
- XtDisownSelection(myShell, cbd->sel_atom,
- XtLastTimestampProcessed(XtDisplay(myShell)));
-}
-
- static void
-clip_x11_notify_cb(Widget w UNUSED, Atom *sel_atom UNUSED, Atom *target UNUSED)
-{
- // To prevent automatically freeing the selection value.
-}
-
- int
-clip_x11_own_selection(Widget myShell, Clipboard_T *cbd)
-{
- // When using the GUI we have proper timestamps, use the one of the last
- // event. When in the console we don't get events (the terminal gets
- // them), Get the time by a zero-length append, clip_x11_timestamp_cb will
- // be called with the current timestamp.
-#ifdef FEAT_GUI
- if (gui.in_use)
- {
- if (XtOwnSelection(myShell, cbd->sel_atom,
- XtLastTimestampProcessed(XtDisplay(myShell)),
- clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb,
- clip_x11_notify_cb) == False)
- return FAIL;
- }
- else
-#endif
- {
- if (!XChangeProperty(XtDisplay(myShell), XtWindow(myShell),
- cbd->sel_atom, timestamp_atom, 32, PropModeAppend, NULL, 0))
- return FAIL;
- }
- // Flush is required in a terminal as nothing else is doing it.
- XFlush(XtDisplay(myShell));
- return OK;
-}
-
-/*
- * Send the current selection to the clipboard. Do nothing for X because we
- * will fill in the selection only when requested by another app.
- */
- void
-clip_x11_set_selection(Clipboard_T *cbd UNUSED)
-{
-}
-
-#if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)) \
- || defined(PROTO)
- static int
-clip_x11_owner_exists(Clipboard_T *cbd)
-{
- return XGetSelectionOwner(X_DISPLAY, cbd->sel_atom) != None;
-}
-#endif
-#endif
-
-#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) \
- || defined(FEAT_GUI_GTK) || defined(PROTO)
-/*
- * Get the contents of the X CUT_BUFFER0 and put it in "cbd".
- */
- void
-yank_cut_buffer0(Display *dpy, Clipboard_T *cbd)
-{
- int nbytes = 0;
- char_u *buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0);
-
- if (nbytes > 0)
- {
- int done = FALSE;
-
- // CUT_BUFFER0 is supposed to be always latin1. Convert to 'enc' when
- // using a multi-byte encoding. Conversion between two 8-bit
- // character sets usually fails and the text might actually be in
- // 'enc' anyway.
- if (has_mbyte)
- {
- char_u *conv_buf;
- vimconv_T vc;
-
- vc.vc_type = CONV_NONE;
- if (convert_setup(&vc, (char_u *)"latin1", p_enc) == OK)
- {
- conv_buf = string_convert(&vc, buffer, &nbytes);
- if (conv_buf != NULL)
- {
- clip_yank_selection(MCHAR, conv_buf, (long)nbytes, cbd);
- vim_free(conv_buf);
- done = TRUE;
- }
- convert_setup(&vc, NULL, NULL);
- }
- }
- if (!done) // use the text without conversion
- clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
- XFree((void *)buffer);
- if (p_verbose > 0)
- {
- verbose_enter();
- verb_msg(_("Used CUT_BUFFER0 instead of empty selection"));
- verbose_leave();
- }
- }
-}
-#endif
-
#if defined(FEAT_GUI) || defined(MSWIN) || defined(PROTO)
/*
* Called when focus changed. Used for the GUI or for systems where this can