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ui: Extract mouse.c/mouse.h

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This commit is contained in:
Thiago de Arruda 2014-11-27 14:48:30 -03:00
parent 1865b8c1c1
commit a3534138a8
9 changed files with 476 additions and 436 deletions
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2
clint-files.txt
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@ -25,6 +25,8 @@ src/nvim/map_defs.h
src/nvim/memfile.c
src/nvim/memfile.h
src/nvim/memfile_defs.h
src/nvim/mouse.c
src/nvim/mouse.h
src/nvim/msgpack_rpc/channel.c
src/nvim/msgpack_rpc/channel.h
src/nvim/msgpack_rpc/helpers.c

1
src/nvim/edit.c
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@ -56,6 +56,7 @@
#include "nvim/tag.h"
#include "nvim/term.h"
#include "nvim/ui.h"
#include "nvim/mouse.h"
#include "nvim/undo.h"
#include "nvim/window.h"
#include "nvim/os/event.h"

1
src/nvim/eval.c
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@ -77,6 +77,7 @@
#include "nvim/tempfile.h"
#include "nvim/term.h"
#include "nvim/ui.h"
#include "nvim/mouse.h"
#include "nvim/undo.h"
#include "nvim/version.h"
#include "nvim/window.h"

1
src/nvim/message.c
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@ -43,6 +43,7 @@
#include "nvim/strings.h"
#include "nvim/term.h"
#include "nvim/ui.h"
#include "nvim/mouse.h"
#include "nvim/os/os.h"
#include "nvim/os/input.h"
#include "nvim/os/time.h"

438
src/nvim/mouse.c Normal file
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@ -0,0 +1,438 @@
#include <stdbool.h>
#include "nvim/mouse.h"
#include "nvim/vim.h"
#include "nvim/screen.h"
#include "nvim/window.h"
#include "nvim/term.h"
#include "nvim/fold.h"
#include "nvim/diff.h"
#include "nvim/move.h"
#include "nvim/misc1.h"
#include "nvim/cursor.h"
#include "nvim/buffer_defs.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "mouse.c.generated.h"
#endif
// Move the cursor to the specified row and column on the screen.
// Change current window if necessary. Returns an integer with the
// CURSOR_MOVED bit set if the cursor has moved or unset otherwise.
//
// The MOUSE_FOLD_CLOSE bit is set when clicked on the '-' in a fold column.
// The MOUSE_FOLD_OPEN bit is set when clicked on the '+' in a fold column.
//
// If flags has MOUSE_FOCUS, then the current window will not be changed, and
// if the mouse is outside the window then the text will scroll, or if the
// mouse was previously on a status line, then the status line may be dragged.
//
// If flags has MOUSE_MAY_VIS, then VIsual mode will be started before the
// cursor is moved unless the cursor was on a status line.
// This function returns one of IN_UNKNOWN, IN_BUFFER, IN_STATUS_LINE or
// IN_SEP_LINE depending on where the cursor was clicked.
//
// If flags has MOUSE_MAY_STOP_VIS, then Visual mode will be stopped, unless
// the mouse is on the status line of the same window.
//
// If flags has MOUSE_DID_MOVE, nothing is done if the mouse didn't move since
// the last call.
//
// If flags has MOUSE_SETPOS, nothing is done, only the current position is
// remembered.
int jump_to_mouse(int flags,
bool *inclusive, // used for inclusive operator, can be NULL
int which_button) // MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE
{
static int on_status_line = 0; // #lines below bottom of window
static int on_sep_line = 0; // on separator right of window
static int prev_row = -1;
static int prev_col = -1;
static win_T *dragwin = NULL; // window being dragged
static int did_drag = false; // drag was noticed
win_T *wp, *old_curwin;
pos_T old_cursor;
int count;
bool first;
int row = mouse_row;
int col = mouse_col;
int mouse_char;
mouse_past_bottom = false;
mouse_past_eol = false;
if (flags & MOUSE_RELEASED) {
// On button release we may change window focus if positioned on a
// status line and no dragging happened.
if (dragwin != NULL && !did_drag)
flags &= ~(MOUSE_FOCUS | MOUSE_DID_MOVE);
dragwin = NULL;
did_drag = false;
}
if ((flags & MOUSE_DID_MOVE)
&& prev_row == mouse_row
&& prev_col == mouse_col) {
retnomove:
// before moving the cursor for a left click which is NOT in a status
// line, stop Visual mode
if (on_status_line)
return IN_STATUS_LINE;
if (on_sep_line)
return IN_SEP_LINE;
if (flags & MOUSE_MAY_STOP_VIS) {
end_visual_mode();
redraw_curbuf_later(INVERTED); // delete the inversion
}
return IN_BUFFER;
}
prev_row = mouse_row;
prev_col = mouse_col;
if (flags & MOUSE_SETPOS)
goto retnomove; // ugly goto...
// Remember the character under the mouse, it might be a '-' or '+' in the
// fold column.
if (row >= 0 && row < Rows && col >= 0 && col <= Columns
&& ScreenLines != NULL)
mouse_char = ScreenLines[LineOffset[row] + (unsigned)col];
else
mouse_char = ' ';
old_curwin = curwin;
old_cursor = curwin->w_cursor;
if (!(flags & MOUSE_FOCUS)) {
if (row < 0 || col < 0) // check if it makes sense
return IN_UNKNOWN;
// find the window where the row is in
wp = mouse_find_win(&row, &col);
dragwin = NULL;
// winpos and height may change in win_enter()!
if (row >= wp->w_height) { // In (or below) status line
on_status_line = row - wp->w_height + 1;
dragwin = wp;
} else {
on_status_line = 0;
}
if (col >= wp->w_width) { // In separator line
on_sep_line = col - wp->w_width + 1;
dragwin = wp;
} else {
on_sep_line = 0;
}
// The rightmost character of the status line might be a vertical
// separator character if there is no connecting window to the right.
if (on_status_line && on_sep_line) {
if (stl_connected(wp))
on_sep_line = 0;
else
on_status_line = 0;
}
// Before jumping to another buffer, or moving the cursor for a left
// click, stop Visual mode.
if (VIsual_active
&& (wp->w_buffer != curwin->w_buffer
|| (!on_status_line
&& !on_sep_line
&& (
wp->w_p_rl ? col < wp->w_width - wp->w_p_fdc :
col >= wp->w_p_fdc
+ (cmdwin_type == 0 && wp ==
curwin ? 0 : 1)
)
&& (flags & MOUSE_MAY_STOP_VIS)))) {
end_visual_mode();
redraw_curbuf_later(INVERTED); // delete the inversion
}
if (cmdwin_type != 0 && wp != curwin) {
// A click outside the command-line window: Use modeless
// selection if possible. Allow dragging the status lines.
on_sep_line = 0;
row = 0;
col += wp->w_wincol;
wp = curwin;
}
// Only change window focus when not clicking on or dragging the
// status line. Do change focus when releasing the mouse button
// (MOUSE_FOCUS was set above if we dragged first).
if (dragwin == NULL || (flags & MOUSE_RELEASED))
win_enter(wp, true); // can make wp invalid!
# ifdef CHECK_DOUBLE_CLICK
// set topline, to be able to check for double click ourselves
if (curwin != old_curwin)
set_mouse_topline(curwin);
# endif
if (on_status_line) { // In (or below) status line
// Don't use start_arrow() if we're in the same window
if (curwin == old_curwin)
return IN_STATUS_LINE;
else
return IN_STATUS_LINE | CURSOR_MOVED;
}
if (on_sep_line) { // In (or below) status line
// Don't use start_arrow() if we're in the same window
if (curwin == old_curwin)
return IN_SEP_LINE;
else
return IN_SEP_LINE | CURSOR_MOVED;
}
curwin->w_cursor.lnum = curwin->w_topline;
} else if (on_status_line && which_button == MOUSE_LEFT) {
if (dragwin != NULL) {
// Drag the status line
count = row - dragwin->w_winrow - dragwin->w_height + 1
- on_status_line;
win_drag_status_line(dragwin, count);
did_drag |= count;
}
return IN_STATUS_LINE; // Cursor didn't move
} else if (on_sep_line && which_button == MOUSE_LEFT) {
if (dragwin != NULL) {
// Drag the separator column
count = col - dragwin->w_wincol - dragwin->w_width + 1
- on_sep_line;
win_drag_vsep_line(dragwin, count);
did_drag |= count;
}
return IN_SEP_LINE; // Cursor didn't move
} else {
// keep_window_focus must be true
// before moving the cursor for a left click, stop Visual mode
if (flags & MOUSE_MAY_STOP_VIS) {
end_visual_mode();
redraw_curbuf_later(INVERTED); // delete the inversion
}
row -= curwin->w_winrow;
col -= curwin->w_wincol;
// When clicking beyond the end of the window, scroll the screen.
// Scroll by however many rows outside the window we are.
if (row < 0) {
count = 0;
for (first = true; curwin->w_topline > 1; ) {
if (curwin->w_topfill < diff_check(curwin, curwin->w_topline))
++count;
else
count += plines(curwin->w_topline - 1);
if (!first && count > -row)
break;
first = false;
hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) {
++curwin->w_topfill;
} else {
--curwin->w_topline;
curwin->w_topfill = 0;
}
}
check_topfill(curwin, false);
curwin->w_valid &=
~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
redraw_later(VALID);
row = 0;
} else if (row >= curwin->w_height) {
count = 0;
for (first = true; curwin->w_topline < curbuf->b_ml.ml_line_count; ) {
if (curwin->w_topfill > 0) {
++count;
} else {
count += plines(curwin->w_topline);
}
if (!first && count > row - curwin->w_height + 1) {
break;
}
first = false;
if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline)
&& curwin->w_topline == curbuf->b_ml.ml_line_count) {
break;
}
if (curwin->w_topfill > 0) {
--curwin->w_topfill;
} else {
++curwin->w_topline;
curwin->w_topfill =
diff_check_fill(curwin, curwin->w_topline);
}
}
check_topfill(curwin, false);
redraw_later(VALID);
curwin->w_valid &=
~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
row = curwin->w_height - 1;
} else if (row == 0) {
// When dragging the mouse, while the text has been scrolled up as
// far as it goes, moving the mouse in the top line should scroll
// the text down (done later when recomputing w_topline).
if (mouse_dragging > 0
&& curwin->w_cursor.lnum
== curwin->w_buffer->b_ml.ml_line_count
&& curwin->w_cursor.lnum == curwin->w_topline) {
curwin->w_valid &= ~(VALID_TOPLINE);
}
}
}
// Check for position outside of the fold column.
if (curwin->w_p_rl ? col < curwin->w_width - curwin->w_p_fdc :
col >= curwin->w_p_fdc + (cmdwin_type == 0 ? 0 : 1)) {
mouse_char = ' ';
}
// compute the position in the buffer line from the posn on the screen
if (mouse_comp_pos(curwin, &row, &col, &curwin->w_cursor.lnum)) {
mouse_past_bottom = true;
}
// Start Visual mode before coladvance(), for when 'sel' != "old"
if ((flags & MOUSE_MAY_VIS) && !VIsual_active) {
check_visual_highlight();
VIsual = old_cursor;
VIsual_active = true;
VIsual_reselect = true;
// if 'selectmode' contains "mouse", start Select mode
may_start_select('o');
setmouse();
if (p_smd && msg_silent == 0) {
redraw_cmdline = true; // show visual mode later
}
}
curwin->w_curswant = col;
curwin->w_set_curswant = false; // May still have been true
if (coladvance(col) == FAIL) { // Mouse click beyond end of line
if (inclusive != NULL) {
*inclusive = true;
}
mouse_past_eol = true;
} else if (inclusive != NULL) {
*inclusive = false;
}
count = IN_BUFFER;
if (curwin != old_curwin || curwin->w_cursor.lnum != old_cursor.lnum
|| curwin->w_cursor.col != old_cursor.col) {
count |= CURSOR_MOVED; // Cursor has moved
}
if (mouse_char == '+') {
count |= MOUSE_FOLD_OPEN;
} else if (mouse_char != ' ') {
count |= MOUSE_FOLD_CLOSE;
}
return count;
}
// Compute the position in the buffer line from the posn on the screen in
// window "win".
// Returns true if the position is below the last line.
bool mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump)
{
int col = *colp;
int row = *rowp;
linenr_T lnum;
bool retval = false;
int off;
int count;
if (win->w_p_rl)
col = win->w_width - 1 - col;
lnum = win->w_topline;
while (row > 0) {
// Don't include filler lines in "count"
if (win->w_p_diff
&& !hasFoldingWin(win, lnum, NULL, NULL, true, NULL)) {
if (lnum == win->w_topline) {
row -= win->w_topfill;
} else {
row -= diff_check_fill(win, lnum);
}
count = plines_win_nofill(win, lnum, true);
} else {
count = plines_win(win, lnum, true);
}
if (count > row) {
break; // Position is in this buffer line.
}
(void)hasFoldingWin(win, lnum, NULL, &lnum, true, NULL);
if (lnum == win->w_buffer->b_ml.ml_line_count) {
retval = true;
break; // past end of file
}
row -= count;
++lnum;
}
if (!retval) {
// Compute the column without wrapping.
off = win_col_off(win) - win_col_off2(win);
if (col < off)
col = off;
col += row * (win->w_width - off);
// add skip column (for long wrapping line)
col += win->w_skipcol;
}
if (!win->w_p_wrap) {
col += win->w_leftcol;
}
// skip line number and fold column in front of the line
col -= win_col_off(win);
if (col < 0) {
col = 0;
}
*colp = col;
*rowp = row;
*lnump = lnum;
return retval;
}
// Find the window at screen position "*rowp" and "*colp". The positions are
// updated to become relative to the top-left of the window.
win_T *mouse_find_win(int *rowp, int *colp)
{
frame_T *fp;
fp = topframe;
*rowp -= firstwin->w_winrow;
for (;; ) {
if (fp->fr_layout == FR_LEAF)
break;
if (fp->fr_layout == FR_ROW) {
for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) {
if (*colp < fp->fr_width)
break;
*colp -= fp->fr_width;
}
} else { // fr_layout == FR_COL
for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) {
if (*rowp < fp->fr_height)
break;
*rowp -= fp->fr_height;
}
}
}
return fp->fr_win;
}

32
src/nvim/mouse.h Normal file
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@ -0,0 +1,32 @@
#ifndef NVIM_MOUSE_H
#define NVIM_MOUSE_H
#include <stdbool.h>
#include "nvim/vim.h"
#include "nvim/buffer_defs.h"
// jump_to_mouse() returns one of first four these values, possibly with
// some of the other three added.
#define IN_UNKNOWN 0
#define IN_BUFFER 1
#define IN_STATUS_LINE 2 // on status or command line
#define IN_SEP_LINE 4 // on vertical separator line
#define IN_OTHER_WIN 8 // in other window but can't go there
#define CURSOR_MOVED 0x100
#define MOUSE_FOLD_CLOSE 0x200 // clicked on '-' in fold column
#define MOUSE_FOLD_OPEN 0x400 // clicked on '+' in fold column
// flags for jump_to_mouse()
#define MOUSE_FOCUS 0x01 // need to stay in this window
#define MOUSE_MAY_VIS 0x02 // may start Visual mode
#define MOUSE_DID_MOVE 0x04 // only act when mouse has moved
#define MOUSE_SETPOS 0x08 // only set current mouse position
#define MOUSE_MAY_STOP_VIS 0x10 // may stop Visual mode
#define MOUSE_RELEASED 0x20 // button was released
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "mouse.h.generated.h"
#endif
#endif // NVIM_MOUSE_H

1
src/nvim/normal.c
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@ -57,6 +57,7 @@
#include "nvim/tag.h"
#include "nvim/term.h"
#include "nvim/ui.h"
#include "nvim/mouse.h"
#include "nvim/undo.h"
#include "nvim/window.h"
#include "nvim/os/event.h"

415
src/nvim/ui.c
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@ -137,421 +137,6 @@ int check_row(int row)
return row;
}
/*
* Stuff for the X clipboard. Shared between VMS and Unix.
*/
/*
* Move the cursor to the specified row and column on the screen.
* Change current window if necessary. Returns an integer with the
* CURSOR_MOVED bit set if the cursor has moved or unset otherwise.
*
* The MOUSE_FOLD_CLOSE bit is set when clicked on the '-' in a fold column.
* The MOUSE_FOLD_OPEN bit is set when clicked on the '+' in a fold column.
*
* If flags has MOUSE_FOCUS, then the current window will not be changed, and
* if the mouse is outside the window then the text will scroll, or if the
* mouse was previously on a status line, then the status line may be dragged.
*
* If flags has MOUSE_MAY_VIS, then VIsual mode will be started before the
* cursor is moved unless the cursor was on a status line.
* This function returns one of IN_UNKNOWN, IN_BUFFER, IN_STATUS_LINE or
* IN_SEP_LINE depending on where the cursor was clicked.
*
* If flags has MOUSE_MAY_STOP_VIS, then Visual mode will be stopped, unless
* the mouse is on the status line of the same window.
*
* If flags has MOUSE_DID_MOVE, nothing is done if the mouse didn't move since
* the last call.
*
* If flags has MOUSE_SETPOS, nothing is done, only the current position is
* remembered.
*/
int
jump_to_mouse (
int flags,
bool *inclusive, /* used for inclusive operator, can be NULL */
int which_button /* MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE */
)
{
static int on_status_line = 0; /* #lines below bottom of window */
static int on_sep_line = 0; /* on separator right of window */
static int prev_row = -1;
static int prev_col = -1;
static win_T *dragwin = NULL; /* window being dragged */
static int did_drag = FALSE; /* drag was noticed */
win_T *wp, *old_curwin;
pos_T old_cursor;
int count;
bool first;
int row = mouse_row;
int col = mouse_col;
int mouse_char;
mouse_past_bottom = false;
mouse_past_eol = false;
if (flags & MOUSE_RELEASED) {
/* On button release we may change window focus if positioned on a
* status line and no dragging happened. */
if (dragwin != NULL && !did_drag)
flags &= ~(MOUSE_FOCUS | MOUSE_DID_MOVE);
dragwin = NULL;
did_drag = FALSE;
}
if ((flags & MOUSE_DID_MOVE)
&& prev_row == mouse_row
&& prev_col == mouse_col) {
retnomove:
/* before moving the cursor for a left click which is NOT in a status
* line, stop Visual mode */
if (on_status_line)
return IN_STATUS_LINE;
if (on_sep_line)
return IN_SEP_LINE;
if (flags & MOUSE_MAY_STOP_VIS) {
end_visual_mode();
redraw_curbuf_later(INVERTED); /* delete the inversion */
}
return IN_BUFFER;
}
prev_row = mouse_row;
prev_col = mouse_col;
if (flags & MOUSE_SETPOS)
goto retnomove; /* ugly goto... */
/* Remember the character under the mouse, it might be a '-' or '+' in the
* fold column. */
if (row >= 0 && row < Rows && col >= 0 && col <= Columns
&& ScreenLines != NULL)
mouse_char = ScreenLines[LineOffset[row] + col];
else
mouse_char = ' ';
old_curwin = curwin;
old_cursor = curwin->w_cursor;
if (!(flags & MOUSE_FOCUS)) {
if (row < 0 || col < 0) /* check if it makes sense */
return IN_UNKNOWN;
/* find the window where the row is in */
wp = mouse_find_win(&row, &col);
dragwin = NULL;
/*
* winpos and height may change in win_enter()!
*/
if (row >= wp->w_height) { /* In (or below) status line */
on_status_line = row - wp->w_height + 1;
dragwin = wp;
} else
on_status_line = 0;
if (col >= wp->w_width) { /* In separator line */
on_sep_line = col - wp->w_width + 1;
dragwin = wp;
} else
on_sep_line = 0;
/* The rightmost character of the status line might be a vertical
* separator character if there is no connecting window to the right. */
if (on_status_line && on_sep_line) {
if (stl_connected(wp))
on_sep_line = 0;
else
on_status_line = 0;
}
/* Before jumping to another buffer, or moving the cursor for a left
* click, stop Visual mode. */
if (VIsual_active
&& (wp->w_buffer != curwin->w_buffer
|| (!on_status_line
&& !on_sep_line
&& (
wp->w_p_rl ? col < wp->w_width - wp->w_p_fdc :
col >= wp->w_p_fdc
+ (cmdwin_type == 0 && wp ==
curwin ? 0 : 1)
)
&& (flags & MOUSE_MAY_STOP_VIS)))) {
end_visual_mode();
redraw_curbuf_later(INVERTED); /* delete the inversion */
}
if (cmdwin_type != 0 && wp != curwin) {
/* A click outside the command-line window: Use modeless
* selection if possible. Allow dragging the status lines. */
on_sep_line = 0;
row = 0;
col += wp->w_wincol;
wp = curwin;
}
/* Only change window focus when not clicking on or dragging the
* status line. Do change focus when releasing the mouse button
* (MOUSE_FOCUS was set above if we dragged first). */
if (dragwin == NULL || (flags & MOUSE_RELEASED))
win_enter(wp, true); /* can make wp invalid! */
# ifdef CHECK_DOUBLE_CLICK
/* set topline, to be able to check for double click ourselves */
if (curwin != old_curwin)
set_mouse_topline(curwin);
# endif
if (on_status_line) { /* In (or below) status line */
/* Don't use start_arrow() if we're in the same window */
if (curwin == old_curwin)
return IN_STATUS_LINE;
else
return IN_STATUS_LINE | CURSOR_MOVED;
}
if (on_sep_line) { /* In (or below) status line */
/* Don't use start_arrow() if we're in the same window */
if (curwin == old_curwin)
return IN_SEP_LINE;
else
return IN_SEP_LINE | CURSOR_MOVED;
}
curwin->w_cursor.lnum = curwin->w_topline;
} else if (on_status_line && which_button == MOUSE_LEFT) {
if (dragwin != NULL) {
/* Drag the status line */
count = row - dragwin->w_winrow - dragwin->w_height + 1
- on_status_line;
win_drag_status_line(dragwin, count);
did_drag |= count;
}
return IN_STATUS_LINE; /* Cursor didn't move */
} else if (on_sep_line && which_button == MOUSE_LEFT) {
if (dragwin != NULL) {
/* Drag the separator column */
count = col - dragwin->w_wincol - dragwin->w_width + 1
- on_sep_line;
win_drag_vsep_line(dragwin, count);
did_drag |= count;
}
return IN_SEP_LINE; /* Cursor didn't move */
} else { /* keep_window_focus must be TRUE */
/* before moving the cursor for a left click, stop Visual mode */
if (flags & MOUSE_MAY_STOP_VIS) {
end_visual_mode();
redraw_curbuf_later(INVERTED); /* delete the inversion */
}
row -= curwin->w_winrow;
col -= curwin->w_wincol;
/*
* When clicking beyond the end of the window, scroll the screen.
* Scroll by however many rows outside the window we are.
*/
if (row < 0) {
count = 0;
for (first = true; curwin->w_topline > 1; ) {
if (curwin->w_topfill < diff_check(curwin, curwin->w_topline))
++count;
else
count += plines(curwin->w_topline - 1);
if (!first && count > -row)
break;
first = false;
hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
if (curwin->w_topfill < diff_check(curwin, curwin->w_topline))
++curwin->w_topfill;
else {
--curwin->w_topline;
curwin->w_topfill = 0;
}
}
check_topfill(curwin, false);
curwin->w_valid &=
~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
redraw_later(VALID);
row = 0;
} else if (row >= curwin->w_height) {
count = 0;
for (first = true; curwin->w_topline < curbuf->b_ml.ml_line_count; ) {
if (curwin->w_topfill > 0)
++count;
else
count += plines(curwin->w_topline);
if (!first && count > row - curwin->w_height + 1)
break;
first = false;
if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline)
&& curwin->w_topline == curbuf->b_ml.ml_line_count)
break;
if (curwin->w_topfill > 0)
--curwin->w_topfill;
else {
++curwin->w_topline;
curwin->w_topfill =
diff_check_fill(curwin, curwin->w_topline);
}
}
check_topfill(curwin, false);
redraw_later(VALID);
curwin->w_valid &=
~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
row = curwin->w_height - 1;
} else if (row == 0) {
/* When dragging the mouse, while the text has been scrolled up as
* far as it goes, moving the mouse in the top line should scroll
* the text down (done later when recomputing w_topline). */
if (mouse_dragging > 0
&& curwin->w_cursor.lnum
== curwin->w_buffer->b_ml.ml_line_count
&& curwin->w_cursor.lnum == curwin->w_topline)
curwin->w_valid &= ~(VALID_TOPLINE);
}
}
/* Check for position outside of the fold column. */
if (
curwin->w_p_rl ? col < curwin->w_width - curwin->w_p_fdc :
col >= curwin->w_p_fdc
+ (cmdwin_type == 0 ? 0 : 1)
)
mouse_char = ' ';
/* compute the position in the buffer line from the posn on the screen */
if (mouse_comp_pos(curwin, &row, &col, &curwin->w_cursor.lnum))
mouse_past_bottom = true;
/* Start Visual mode before coladvance(), for when 'sel' != "old" */
if ((flags & MOUSE_MAY_VIS) && !VIsual_active) {
check_visual_highlight();
VIsual = old_cursor;
VIsual_active = TRUE;
VIsual_reselect = TRUE;
/* if 'selectmode' contains "mouse", start Select mode */
may_start_select('o');
setmouse();
if (p_smd && msg_silent == 0)
redraw_cmdline = TRUE; /* show visual mode later */
}
curwin->w_curswant = col;
curwin->w_set_curswant = FALSE; /* May still have been TRUE */
if (coladvance(col) == FAIL) { /* Mouse click beyond end of line */
if (inclusive != NULL)
*inclusive = true;
mouse_past_eol = true;
} else if (inclusive != NULL)
*inclusive = false;
count = IN_BUFFER;
if (curwin != old_curwin || curwin->w_cursor.lnum != old_cursor.lnum
|| curwin->w_cursor.col != old_cursor.col)
count |= CURSOR_MOVED; /* Cursor has moved */
if (mouse_char == '+')
count |= MOUSE_FOLD_OPEN;
else if (mouse_char != ' ')
count |= MOUSE_FOLD_CLOSE;
return count;
}
/*
* Compute the position in the buffer line from the posn on the screen in
* window "win".
* Returns TRUE if the position is below the last line.
*/
bool mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump)
{
int col = *colp;
int row = *rowp;
linenr_T lnum;
bool retval = false;
int off;
int count;
if (win->w_p_rl)
col = win->w_width - 1 - col;
lnum = win->w_topline;
while (row > 0) {
/* Don't include filler lines in "count" */
if (win->w_p_diff
&& !hasFoldingWin(win, lnum, NULL, NULL, TRUE, NULL)
) {
if (lnum == win->w_topline)
row -= win->w_topfill;
else
row -= diff_check_fill(win, lnum);
count = plines_win_nofill(win, lnum, TRUE);
} else
count = plines_win(win, lnum, TRUE);
if (count > row)
break; /* Position is in this buffer line. */
(void)hasFoldingWin(win, lnum, NULL, &lnum, TRUE, NULL);
if (lnum == win->w_buffer->b_ml.ml_line_count) {
retval = true;
break; /* past end of file */
}
row -= count;
++lnum;
}
if (!retval) {
/* Compute the column without wrapping. */
off = win_col_off(win) - win_col_off2(win);
if (col < off)
col = off;
col += row * (win->w_width - off);
/* add skip column (for long wrapping line) */
col += win->w_skipcol;
}
if (!win->w_p_wrap)
col += win->w_leftcol;
/* skip line number and fold column in front of the line */
col -= win_col_off(win);
if (col < 0) {
col = 0;
}
*colp = col;
*rowp = row;
*lnump = lnum;
return retval;
}
/*
* Find the window at screen position "*rowp" and "*colp". The positions are
* updated to become relative to the top-left of the window.
*/
win_T *mouse_find_win(int *rowp, int *colp)
{
frame_T *fp;
fp = topframe;
*rowp -= firstwin->w_winrow;
for (;; ) {
if (fp->fr_layout == FR_LEAF)
break;
if (fp->fr_layout == FR_ROW) {
for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) {
if (*colp < fp->fr_width)
break;
*colp -= fp->fr_width;
}
} else { /* fr_layout == FR_COL */
for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) {
if (*rowp < fp->fr_height)
break;
*rowp -= fp->fr_height;
}
}
}
return fp->fr_win;
}
#if defined(USE_IM_CONTROL) || defined(PROTO)
/*

21
src/nvim/ui.h
View File

@ -3,27 +3,6 @@
#include <stdbool.h>
/*
* jump_to_mouse() returns one of first four these values, possibly with
* some of the other three added.
*/
#define IN_UNKNOWN 0
#define IN_BUFFER 1
#define IN_STATUS_LINE 2 /* on status or command line */
#define IN_SEP_LINE 4 /* on vertical separator line */
#define IN_OTHER_WIN 8 /* in other window but can't go there */
#define CURSOR_MOVED 0x100
#define MOUSE_FOLD_CLOSE 0x200 /* clicked on '-' in fold column */
#define MOUSE_FOLD_OPEN 0x400 /* clicked on '+' in fold column */
/* flags for jump_to_mouse() */
#define MOUSE_FOCUS 0x01 /* need to stay in this window */
#define MOUSE_MAY_VIS 0x02 /* may start Visual mode */
#define MOUSE_DID_MOVE 0x04 /* only act when mouse has moved */
#define MOUSE_SETPOS 0x08 /* only set current mouse position */
#define MOUSE_MAY_STOP_VIS 0x10 /* may stop Visual mode */
#define MOUSE_RELEASED 0x20 /* button was released */
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "ui.h.generated.h"
#endif