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[upstream_utils] Update imgui and implot (#8762)

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Not updating GLFW yet due to a likely future move to SDL.
This commit is contained in:
Peter Johnson
2026-04-12 12:19:32 -07:00
committed by GitHub
parent d76486d885
commit 476b9641c1
47 changed files with 27710 additions and 12792 deletions
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375
thirdparty/imgui_suite/imgui/include/imstb_textedit.h vendored
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@@ -3,7 +3,11 @@
// Those changes would need to be pushed into nothings/stb:
// - Fix in stb_textedit_discard_redo (see https://github.com/nothings/stb/issues/321)
// - Fix in stb_textedit_find_charpos to handle last line (see https://github.com/ocornut/imgui/issues/6000 + #6783)
// Grep for [DEAR IMGUI] to find the changes.
// - Added name to struct or it may be forward declared in our code.
// - Added UTF-8 support (see https://github.com/nothings/stb/issues/188 + https://github.com/ocornut/imgui/pull/7925)
// - Changed STB_TEXTEDIT_INSERTCHARS() to return inserted count (instead of 0/1 bool), allowing partial insertion.
// Grep for [DEAR IMGUI] to find some changes.
// - Also renamed macros used or defined outside of IMSTB_TEXTEDIT_IMPLEMENTATION block from STB_TEXTEDIT_* to IMSTB_TEXTEDIT_*
// stb_textedit.h - v1.14 - public domain - Sean Barrett
// Development of this library was sponsored by RAD Game Tools
@@ -30,17 +34,18 @@
// DEPENDENCIES
//
// Uses the C runtime function 'memmove', which you can override
// by defining STB_TEXTEDIT_memmove before the implementation.
// by defining IMSTB_TEXTEDIT_memmove before the implementation.
// Uses no other functions. Performs no runtime allocations.
//
//
// VERSION HISTORY
//
// !!!! (2025-10-23) changed STB_TEXTEDIT_INSERTCHARS() to return inserted count (instead of 0/1 bool), allowing partial insertion.
// 1.14 (2021-07-11) page up/down, various fixes
// 1.13 (2019-02-07) fix bug in undo size management
// 1.12 (2018-01-29) user can change STB_TEXTEDIT_KEYTYPE, fix redo to avoid crash
// 1.11 (2017-03-03) fix HOME on last line, dragging off single-line textfield
// 1.10 (2016-10-25) supress warnings about casting away const with -Wcast-qual
// 1.10 (2016-10-25) suppress warnings about casting away const with -Wcast-qual
// 1.9 (2016-08-27) customizable move-by-word
// 1.8 (2016-04-02) better keyboard handling when mouse button is down
// 1.7 (2015-09-13) change y range handling in case baseline is non-0
@@ -138,12 +143,14 @@
// with previous char)
// STB_TEXTEDIT_KEYTOTEXT(k) maps a keyboard input to an insertable character
// (return type is int, -1 means not valid to insert)
// (not supported if you want to use UTF-8, see below)
// STB_TEXTEDIT_GETCHAR(obj,i) returns the i'th character of obj, 0-based
// STB_TEXTEDIT_NEWLINE the character returned by _GETCHAR() we recognize
// as manually wordwrapping for end-of-line positioning
//
// STB_TEXTEDIT_DELETECHARS(obj,i,n) delete n characters starting at i
// STB_TEXTEDIT_INSERTCHARS(obj,i,c*,n) insert n characters at i (pointed to by STB_TEXTEDIT_CHARTYPE*)
// STB_TEXTEDIT_INSERTCHARS(obj,i,c*,n) try to insert n characters at i (pointed to by STB_TEXTEDIT_CHARTYPE*)
// returns number of characters actually inserted. [DEAR IMGUI]
//
// STB_TEXTEDIT_K_SHIFT a power of two that is or'd in to a keyboard input to represent the shift key
//
@@ -175,6 +182,13 @@
// STB_TEXTEDIT_K_TEXTSTART2 secondary keyboard input to move cursor to start of text
// STB_TEXTEDIT_K_TEXTEND2 secondary keyboard input to move cursor to end of text
//
// To support UTF-8:
//
// STB_TEXTEDIT_GETPREVCHARINDEX returns index of previous character
// STB_TEXTEDIT_GETNEXTCHARINDEX returns index of next character
// Do NOT define STB_TEXTEDIT_KEYTOTEXT.
// Instead, call stb_textedit_text() directly for text contents.
//
// Keyboard input must be encoded as a single integer value; e.g. a character code
// and some bitflags that represent shift states. to simplify the interface, SHIFT must
// be a bitflag, so we can test the shifted state of cursor movements to allow selection,
@@ -208,6 +222,7 @@
// int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
// int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len)
// void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXEDIT_KEYTYPE key)
// void stb_textedit_text(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int text_len)
//
// Each of these functions potentially updates the string and updates the
// state.
@@ -242,7 +257,14 @@
// various definitions like STB_TEXTEDIT_K_LEFT have the is-key-event bit
// set, and make STB_TEXTEDIT_KEYTOCHAR check that the is-key-event bit is
// clear. STB_TEXTEDIT_KEYTYPE defaults to int, but you can #define it to
// anything other type you wante before including.
// anything other type you want before including.
// if the STB_TEXTEDIT_KEYTOTEXT function is defined, selected keys are
// transformed into text and stb_textedit_text() is automatically called.
//
// text: (added 2025)
// call this to directly send text input the textfield, which is required
// for UTF-8 support, because stb_textedit_key() + STB_TEXTEDIT_KEYTOTEXT()
// cannot infer text length.
//
//
// When rendering, you can read the cursor position and selection state from
@@ -274,8 +296,8 @@
////
////
#ifndef INCLUDE_STB_TEXTEDIT_H
#define INCLUDE_STB_TEXTEDIT_H
#ifndef INCLUDE_IMSTB_TEXTEDIT_H
#define INCLUDE_IMSTB_TEXTEDIT_H
////////////////////////////////////////////////////////////////////////
//
@@ -286,38 +308,38 @@
// and undo state.
//
#ifndef STB_TEXTEDIT_UNDOSTATECOUNT
#define STB_TEXTEDIT_UNDOSTATECOUNT 99
#ifndef IMSTB_TEXTEDIT_UNDOSTATECOUNT
#define IMSTB_TEXTEDIT_UNDOSTATECOUNT 99
#endif
#ifndef STB_TEXTEDIT_UNDOCHARCOUNT
#define STB_TEXTEDIT_UNDOCHARCOUNT 999
#ifndef IMSTB_TEXTEDIT_UNDOCHARCOUNT
#define IMSTB_TEXTEDIT_UNDOCHARCOUNT 999
#endif
#ifndef STB_TEXTEDIT_CHARTYPE
#define STB_TEXTEDIT_CHARTYPE int
#ifndef IMSTB_TEXTEDIT_CHARTYPE
#define IMSTB_TEXTEDIT_CHARTYPE int
#endif
#ifndef STB_TEXTEDIT_POSITIONTYPE
#define STB_TEXTEDIT_POSITIONTYPE int
#ifndef IMSTB_TEXTEDIT_POSITIONTYPE
#define IMSTB_TEXTEDIT_POSITIONTYPE int
#endif
typedef struct
{
// private data
STB_TEXTEDIT_POSITIONTYPE where;
STB_TEXTEDIT_POSITIONTYPE insert_length;
STB_TEXTEDIT_POSITIONTYPE delete_length;
IMSTB_TEXTEDIT_POSITIONTYPE where;
IMSTB_TEXTEDIT_POSITIONTYPE insert_length;
IMSTB_TEXTEDIT_POSITIONTYPE delete_length;
int char_storage;
} StbUndoRecord;
typedef struct
{
// private data
StbUndoRecord undo_rec [STB_TEXTEDIT_UNDOSTATECOUNT];
STB_TEXTEDIT_CHARTYPE undo_char[STB_TEXTEDIT_UNDOCHARCOUNT];
StbUndoRecord undo_rec [IMSTB_TEXTEDIT_UNDOSTATECOUNT];
IMSTB_TEXTEDIT_CHARTYPE undo_char[IMSTB_TEXTEDIT_UNDOCHARCOUNT];
short undo_point, redo_point;
int undo_char_point, redo_char_point;
} StbUndoState;
typedef struct
typedef struct STB_TexteditState
{
/////////////////////
//
@@ -371,7 +393,7 @@ typedef struct
float ymin,ymax; // height of row above and below baseline
int num_chars;
} StbTexteditRow;
#endif //INCLUDE_STB_TEXTEDIT_H
#endif //INCLUDE_IMSTB_TEXTEDIT_H
////////////////////////////////////////////////////////////////////////////
@@ -384,13 +406,23 @@ typedef struct
// implementation isn't include-guarded, since it might have indirectly
// included just the "header" portion
#ifdef STB_TEXTEDIT_IMPLEMENTATION
#ifdef IMSTB_TEXTEDIT_IMPLEMENTATION
#ifndef STB_TEXTEDIT_memmove
#ifndef IMSTB_TEXTEDIT_memmove
#include <string.h>
#define STB_TEXTEDIT_memmove memmove
#define IMSTB_TEXTEDIT_memmove memmove
#endif
// [DEAR IMGUI]
// Functions must be implemented for UTF8 support
// Code in this file that uses those functions is modified for [DEAR IMGUI] and deviates from the original stb_textedit.
// There is not necessarily a '[DEAR IMGUI]' at the usage sites.
#ifndef IMSTB_TEXTEDIT_GETPREVCHARINDEX
#define IMSTB_TEXTEDIT_GETPREVCHARINDEX(OBJ, IDX) ((IDX) - 1)
#endif
#ifndef IMSTB_TEXTEDIT_GETNEXTCHARINDEX
#define IMSTB_TEXTEDIT_GETNEXTCHARINDEX(OBJ, IDX) ((IDX) + 1)
#endif
/////////////////////////////////////////////////////////////////////////////
//
@@ -398,7 +430,7 @@ typedef struct
//
// traverse the layout to locate the nearest character to a display position
static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
static int stb_text_locate_coord(IMSTB_TEXTEDIT_STRING *str, float x, float y, int* out_side_on_line)
{
StbTexteditRow r;
int n = STB_TEXTEDIT_STRINGLEN(str);
@@ -408,6 +440,7 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
r.x0 = r.x1 = 0;
r.ymin = r.ymax = 0;
r.num_chars = 0;
*out_side_on_line = 0;
// search rows to find one that straddles 'y'
while (i < n) {
@@ -427,7 +460,10 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
// below all text, return 'after' last character
if (i >= n)
{
*out_side_on_line = 1;
return n;
}
// check if it's before the beginning of the line
if (x < r.x0)
@@ -437,13 +473,14 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
if (x < r.x1) {
// search characters in row for one that straddles 'x'
prev_x = r.x0;
for (k=0; k < r.num_chars; ++k) {
for (k=0; k < r.num_chars; k = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k) - i) {
float w = STB_TEXTEDIT_GETWIDTH(str, i, k);
if (x < prev_x+w) {
*out_side_on_line = (k == 0) ? 0 : 1;
if (x < prev_x+w/2)
return k+i;
else
return k+i+1;
return IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k);
}
prev_x += w;
}
@@ -451,6 +488,7 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
}
// if the last character is a newline, return that. otherwise return 'after' the last character
*out_side_on_line = 1;
if (STB_TEXTEDIT_GETCHAR(str, i+r.num_chars-1) == STB_TEXTEDIT_NEWLINE)
return i+r.num_chars-1;
else
@@ -458,10 +496,11 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
}
// API click: on mouse down, move the cursor to the clicked location, and reset the selection
static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
static void stb_textedit_click(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
{
// In single-line mode, just always make y = 0. This lets the drag keep working if the mouse
// goes off the top or bottom of the text
int side_on_line;
if( state->single_line )
{
StbTexteditRow r;
@@ -469,16 +508,18 @@ static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *stat
y = r.ymin;
}
state->cursor = stb_text_locate_coord(str, x, y);
state->cursor = stb_text_locate_coord(str, x, y, &side_on_line);
state->select_start = state->cursor;
state->select_end = state->cursor;
state->has_preferred_x = 0;
str->LastMoveDirectionLR = (ImS8)(side_on_line ? ImGuiDir_Right : ImGuiDir_Left);
}
// API drag: on mouse drag, move the cursor and selection endpoint to the clicked location
static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
static void stb_textedit_drag(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y)
{
int p = 0;
int side_on_line;
// In single-line mode, just always make y = 0. This lets the drag keep working if the mouse
// goes off the top or bottom of the text
@@ -492,8 +533,9 @@ static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state
if (state->select_start == state->select_end)
state->select_start = state->cursor;
p = stb_text_locate_coord(str, x, y);
p = stb_text_locate_coord(str, x, y, &side_on_line);
state->cursor = state->select_end = p;
str->LastMoveDirectionLR = (ImS8)(side_on_line ? ImGuiDir_Right : ImGuiDir_Left);
}
/////////////////////////////////////////////////////////////////////////////
@@ -502,11 +544,11 @@ static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state
//
// forward declarations
static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state);
static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state);
static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length);
static void stb_text_undo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state);
static void stb_text_redo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state);
static void stb_text_makeundo_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length);
static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int length);
static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length);
static void stb_text_makeundo_replace(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length);
typedef struct
{
@@ -518,7 +560,7 @@ typedef struct
// find the x/y location of a character, and remember info about the previous row in
// case we get a move-up event (for page up, we'll have to rescan)
static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *str, int n, int single_line)
static void stb_textedit_find_charpos(StbFindState *find, IMSTB_TEXTEDIT_STRING *str, int n, int single_line)
{
StbTexteditRow r;
int prev_start = 0;
@@ -543,6 +585,8 @@ static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *s
STB_TEXTEDIT_LAYOUTROW(&r, str, i);
if (n < i + r.num_chars)
break;
if (str->LastMoveDirectionLR == ImGuiDir_Right && str->Stb->cursor > 0 && str->Stb->cursor == i + r.num_chars && STB_TEXTEDIT_GETCHAR(str, i + r.num_chars - 1) != STB_TEXTEDIT_NEWLINE) // [DEAR IMGUI] Wrapping point handling
break;
if (i + r.num_chars == z && z > 0 && STB_TEXTEDIT_GETCHAR(str, z - 1) != STB_TEXTEDIT_NEWLINE) // [DEAR IMGUI] special handling for last line
break; // [DEAR IMGUI]
prev_start = i;
@@ -562,14 +606,14 @@ static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *s
// now scan to find xpos
find->x = r.x0;
for (i=0; first+i < n; ++i)
for (i=0; first+i < n; i = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, first + i) - first)
find->x += STB_TEXTEDIT_GETWIDTH(str, first, i);
}
#define STB_TEXT_HAS_SELECTION(s) ((s)->select_start != (s)->select_end)
// make the selection/cursor state valid if client altered the string
static void stb_textedit_clamp(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static void stb_textedit_clamp(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
int n = STB_TEXTEDIT_STRINGLEN(str);
if (STB_TEXT_HAS_SELECTION(state)) {
@@ -583,7 +627,7 @@ static void stb_textedit_clamp(STB_TEXTEDIT_STRING *str, STB_TexteditState *stat
}
// delete characters while updating undo
static void stb_textedit_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int len)
static void stb_textedit_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int len)
{
stb_text_makeundo_delete(str, state, where, len);
STB_TEXTEDIT_DELETECHARS(str, where, len);
@@ -591,7 +635,7 @@ static void stb_textedit_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *sta
}
// delete the section
static void stb_textedit_delete_selection(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static void stb_textedit_delete_selection(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
stb_textedit_clamp(str, state);
if (STB_TEXT_HAS_SELECTION(state)) {
@@ -628,7 +672,7 @@ static void stb_textedit_move_to_first(STB_TexteditState *state)
}
// move cursor to last character of selection
static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static void stb_textedit_move_to_last(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
if (STB_TEXT_HAS_SELECTION(state)) {
stb_textedit_sortselection(state);
@@ -639,18 +683,47 @@ static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditStat
}
}
// [DEAR IMGUI] Extracted this function so we can more easily add support for word-wrapping.
#ifndef STB_TEXTEDIT_MOVELINESTART
static int stb_textedit_move_line_start(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int cursor)
{
if (state->single_line)
return 0;
while (cursor > 0) {
int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, cursor);
if (STB_TEXTEDIT_GETCHAR(str, prev) == STB_TEXTEDIT_NEWLINE)
break;
cursor = prev;
}
return cursor;
}
#define STB_TEXTEDIT_MOVELINESTART stb_textedit_move_line_start
#endif
#ifndef STB_TEXTEDIT_MOVELINEEND
static int stb_textedit_move_line_end(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int cursor)
{
int n = STB_TEXTEDIT_STRINGLEN(str);
if (state->single_line)
return n;
while (cursor < n && STB_TEXTEDIT_GETCHAR(str, cursor) != STB_TEXTEDIT_NEWLINE)
cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, cursor);
return cursor;
}
#define STB_TEXTEDIT_MOVELINEEND stb_textedit_move_line_end
#endif
#ifdef STB_TEXTEDIT_IS_SPACE
static int is_word_boundary( STB_TEXTEDIT_STRING *str, int idx )
static int is_word_boundary( IMSTB_TEXTEDIT_STRING *str, int idx )
{
return idx > 0 ? (STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str,idx-1) ) && !STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str, idx) ) ) : 1;
}
#ifndef STB_TEXTEDIT_MOVEWORDLEFT
static int stb_textedit_move_to_word_previous( STB_TEXTEDIT_STRING *str, int c )
static int stb_textedit_move_to_word_previous( IMSTB_TEXTEDIT_STRING *str, int c )
{
--c; // always move at least one character
while( c >= 0 && !is_word_boundary( str, c ) )
--c;
c = IMSTB_TEXTEDIT_GETPREVCHARINDEX( str, c ); // always move at least one character
while (c >= 0 && !is_word_boundary(str, c))
c = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, c);
if( c < 0 )
c = 0;
@@ -661,12 +734,12 @@ static int stb_textedit_move_to_word_previous( STB_TEXTEDIT_STRING *str, int c )
#endif
#ifndef STB_TEXTEDIT_MOVEWORDRIGHT
static int stb_textedit_move_to_word_next( STB_TEXTEDIT_STRING *str, int c )
static int stb_textedit_move_to_word_next( IMSTB_TEXTEDIT_STRING *str, int c )
{
const int len = STB_TEXTEDIT_STRINGLEN(str);
++c; // always move at least one character
c = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, c); // always move at least one character
while( c < len && !is_word_boundary( str, c ) )
++c;
c = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, c);
if( c > len )
c = len;
@@ -688,7 +761,7 @@ static void stb_textedit_prep_selection_at_cursor(STB_TexteditState *state)
}
// API cut: delete selection
static int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static int stb_textedit_cut(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
if (STB_TEXT_HAS_SELECTION(state)) {
stb_textedit_delete_selection(str,state); // implicitly clamps
@@ -699,13 +772,14 @@ static int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
}
// API paste: replace existing selection with passed-in text
static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len)
static int stb_textedit_paste_internal(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, IMSTB_TEXTEDIT_CHARTYPE *text, int len)
{
// if there's a selection, the paste should delete it
stb_textedit_clamp(str, state);
stb_textedit_delete_selection(str,state);
// try to insert the characters
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, len)) {
len = STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, len);
if (len) {
stb_text_makeundo_insert(state, state->cursor, len);
state->cursor += len;
state->has_preferred_x = 0;
@@ -719,36 +793,47 @@ static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditSta
#define STB_TEXTEDIT_KEYTYPE int
#endif
// API key: process text input
// [DEAR IMGUI] Added stb_textedit_text(), extracted out and called by stb_textedit_key() for backward compatibility.
static void stb_textedit_text(IMSTB_TEXTEDIT_STRING* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
{
// can't add newline in single-line mode
if (text[0] == '\n' && state->single_line)
return;
if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
text_len = STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len);
if (text_len) {
state->cursor += text_len;
state->has_preferred_x = 0;
}
} else {
stb_textedit_delete_selection(str, state); // implicitly clamps
text_len = STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len);
if (text_len) {
stb_text_makeundo_insert(state, state->cursor, text_len);
state->cursor += text_len;
state->has_preferred_x = 0;
}
}
}
// API key: process a keyboard input
static void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key)
static void stb_textedit_key(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key)
{
retry:
switch (key) {
default: {
#ifdef STB_TEXTEDIT_KEYTOTEXT
// This is not suitable for UTF-8 support.
int c = STB_TEXTEDIT_KEYTOTEXT(key);
if (c > 0) {
STB_TEXTEDIT_CHARTYPE ch = (STB_TEXTEDIT_CHARTYPE) c;
// can't add newline in single-line mode
if (c == '\n' && state->single_line)
break;
if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
++state->cursor;
state->has_preferred_x = 0;
}
} else {
stb_textedit_delete_selection(str,state); // implicitly clamps
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
stb_text_makeundo_insert(state, state->cursor, 1);
++state->cursor;
state->has_preferred_x = 0;
}
}
IMSTB_TEXTEDIT_CHARTYPE ch = (IMSTB_TEXTEDIT_CHARTYPE)c;
stb_textedit_text(str, state, &ch, 1);
}
#endif
break;
}
@@ -774,7 +859,7 @@ retry:
stb_textedit_move_to_first(state);
else
if (state->cursor > 0)
--state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
state->has_preferred_x = 0;
break;
@@ -783,7 +868,7 @@ retry:
if (STB_TEXT_HAS_SELECTION(state))
stb_textedit_move_to_last(str, state);
else
++state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
stb_textedit_clamp(str, state);
state->has_preferred_x = 0;
break;
@@ -793,7 +878,7 @@ retry:
stb_textedit_prep_selection_at_cursor(state);
// move selection left
if (state->select_end > 0)
--state->select_end;
state->select_end = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->select_end);
state->cursor = state->select_end;
state->has_preferred_x = 0;
break;
@@ -843,7 +928,7 @@ retry:
case STB_TEXTEDIT_K_RIGHT | STB_TEXTEDIT_K_SHIFT:
stb_textedit_prep_selection_at_cursor(state);
// move selection right
++state->select_end;
state->select_end = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->select_end);
stb_textedit_clamp(str, state);
state->cursor = state->select_end;
state->has_preferred_x = 0;
@@ -883,26 +968,30 @@ retry:
// [DEAR IMGUI]
// going down while being on the last line shouldn't bring us to that line end
if (STB_TEXTEDIT_GETCHAR(str, find.first_char + find.length - 1) != STB_TEXTEDIT_NEWLINE)
break;
//if (STB_TEXTEDIT_GETCHAR(str, find.first_char + find.length - 1) != STB_TEXTEDIT_NEWLINE)
// break;
// now find character position down a row
state->cursor = start;
STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor);
x = row.x0;
for (i=0; i < row.num_chars; ++i) {
for (i=0; i < row.num_chars; ) {
float dx = STB_TEXTEDIT_GETWIDTH(str, start, i);
#ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE
if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE)
int next = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
#ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE
if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE)
break;
#endif
x += dx;
if (x > goal_x)
break;
++state->cursor;
i += next - state->cursor;
state->cursor = next;
}
stb_textedit_clamp(str, state);
if (state->cursor == find.first_char + find.length)
str->LastMoveDirectionLR = ImGuiDir_Left;
state->has_preferred_x = 1;
state->preferred_x = goal_x;
@@ -952,19 +1041,25 @@ retry:
state->cursor = find.prev_first;
STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor);
x = row.x0;
for (i=0; i < row.num_chars; ++i) {
for (i=0; i < row.num_chars; ) {
float dx = STB_TEXTEDIT_GETWIDTH(str, find.prev_first, i);
#ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE
if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE)
int next = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
#ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE
if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE)
break;
#endif
x += dx;
if (x > goal_x)
break;
++state->cursor;
i += next - state->cursor;
state->cursor = next;
}
stb_textedit_clamp(str, state);
if (state->cursor == find.first_char)
str->LastMoveDirectionLR = ImGuiDir_Right;
else if (state->cursor == find.prev_first)
str->LastMoveDirectionLR = ImGuiDir_Left;
state->has_preferred_x = 1;
state->preferred_x = goal_x;
@@ -974,10 +1069,15 @@ retry:
// go to previous line
// (we need to scan previous line the hard way. maybe we could expose this as a new API function?)
prev_scan = find.prev_first > 0 ? find.prev_first - 1 : 0;
while (prev_scan > 0 && STB_TEXTEDIT_GETCHAR(str, prev_scan - 1) != STB_TEXTEDIT_NEWLINE)
--prev_scan;
while (prev_scan > 0)
{
int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, prev_scan);
if (STB_TEXTEDIT_GETCHAR(str, prev) == STB_TEXTEDIT_NEWLINE)
break;
prev_scan = prev;
}
find.first_char = find.prev_first;
find.prev_first = prev_scan;
find.prev_first = STB_TEXTEDIT_MOVELINESTART(str, state, prev_scan);
}
break;
}
@@ -989,7 +1089,7 @@ retry:
else {
int n = STB_TEXTEDIT_STRINGLEN(str);
if (state->cursor < n)
stb_textedit_delete(str, state, state->cursor, 1);
stb_textedit_delete(str, state, state->cursor, IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor) - state->cursor);
}
state->has_preferred_x = 0;
break;
@@ -1001,8 +1101,9 @@ retry:
else {
stb_textedit_clamp(str, state);
if (state->cursor > 0) {
stb_textedit_delete(str, state, state->cursor-1, 1);
--state->cursor;
int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
stb_textedit_delete(str, state, prev, state->cursor - prev);
state->cursor = prev;
}
}
state->has_preferred_x = 0;
@@ -1050,10 +1151,7 @@ retry:
case STB_TEXTEDIT_K_LINESTART:
stb_textedit_clamp(str, state);
stb_textedit_move_to_first(state);
if (state->single_line)
state->cursor = 0;
else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE)
--state->cursor;
state->cursor = STB_TEXTEDIT_MOVELINESTART(str, state, state->cursor);
state->has_preferred_x = 0;
break;
@@ -1061,13 +1159,9 @@ retry:
case STB_TEXTEDIT_K_LINEEND2:
#endif
case STB_TEXTEDIT_K_LINEEND: {
int n = STB_TEXTEDIT_STRINGLEN(str);
stb_textedit_clamp(str, state);
stb_textedit_move_to_first(state);
if (state->single_line)
state->cursor = n;
else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE)
++state->cursor;
stb_textedit_move_to_last(str, state);
state->cursor = STB_TEXTEDIT_MOVELINEEND(str, state, state->cursor);
state->has_preferred_x = 0;
break;
}
@@ -1078,10 +1172,7 @@ retry:
case STB_TEXTEDIT_K_LINESTART | STB_TEXTEDIT_K_SHIFT:
stb_textedit_clamp(str, state);
stb_textedit_prep_selection_at_cursor(state);
if (state->single_line)
state->cursor = 0;
else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE)
--state->cursor;
state->cursor = STB_TEXTEDIT_MOVELINESTART(str, state, state->cursor);
state->select_end = state->cursor;
state->has_preferred_x = 0;
break;
@@ -1090,13 +1181,9 @@ retry:
case STB_TEXTEDIT_K_LINEEND2 | STB_TEXTEDIT_K_SHIFT:
#endif
case STB_TEXTEDIT_K_LINEEND | STB_TEXTEDIT_K_SHIFT: {
int n = STB_TEXTEDIT_STRINGLEN(str);
stb_textedit_clamp(str, state);
stb_textedit_prep_selection_at_cursor(state);
if (state->single_line)
state->cursor = n;
else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE)
++state->cursor;
state->cursor = STB_TEXTEDIT_MOVELINEEND(str, state, state->cursor);
state->select_end = state->cursor;
state->has_preferred_x = 0;
break;
@@ -1112,8 +1199,8 @@ retry:
static void stb_textedit_flush_redo(StbUndoState *state)
{
state->redo_point = STB_TEXTEDIT_UNDOSTATECOUNT;
state->redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT;
state->redo_point = IMSTB_TEXTEDIT_UNDOSTATECOUNT;
state->redo_char_point = IMSTB_TEXTEDIT_UNDOCHARCOUNT;
}
// discard the oldest entry in the undo list
@@ -1125,13 +1212,13 @@ static void stb_textedit_discard_undo(StbUndoState *state)
int n = state->undo_rec[0].insert_length, i;
// delete n characters from all other records
state->undo_char_point -= n;
STB_TEXTEDIT_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(STB_TEXTEDIT_CHARTYPE)));
IMSTB_TEXTEDIT_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(IMSTB_TEXTEDIT_CHARTYPE)));
for (i=0; i < state->undo_point; ++i)
if (state->undo_rec[i].char_storage >= 0)
state->undo_rec[i].char_storage -= n; // @OPTIMIZE: get rid of char_storage and infer it
}
--state->undo_point;
STB_TEXTEDIT_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
IMSTB_TEXTEDIT_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
}
}
@@ -1141,7 +1228,7 @@ static void stb_textedit_discard_undo(StbUndoState *state)
// fill up even though the undo buffer didn't
static void stb_textedit_discard_redo(StbUndoState *state)
{
int k = STB_TEXTEDIT_UNDOSTATECOUNT-1;
int k = IMSTB_TEXTEDIT_UNDOSTATECOUNT-1;
if (state->redo_point <= k) {
// if the k'th undo state has characters, clean those up
@@ -1149,7 +1236,7 @@ static void stb_textedit_discard_redo(StbUndoState *state)
int n = state->undo_rec[k].insert_length, i;
// move the remaining redo character data to the end of the buffer
state->redo_char_point += n;
STB_TEXTEDIT_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((STB_TEXTEDIT_UNDOCHARCOUNT - state->redo_char_point)*sizeof(STB_TEXTEDIT_CHARTYPE)));
IMSTB_TEXTEDIT_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((IMSTB_TEXTEDIT_UNDOCHARCOUNT - state->redo_char_point)*sizeof(IMSTB_TEXTEDIT_CHARTYPE)));
// adjust the position of all the other records to account for above memmove
for (i=state->redo_point; i < k; ++i)
if (state->undo_rec[i].char_storage >= 0)
@@ -1157,12 +1244,12 @@ static void stb_textedit_discard_redo(StbUndoState *state)
}
// now move all the redo records towards the end of the buffer; the first one is at 'redo_point'
// [DEAR IMGUI]
size_t move_size = (size_t)((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point - 1) * sizeof(state->undo_rec[0]));
size_t move_size = (size_t)((IMSTB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point - 1) * sizeof(state->undo_rec[0]));
const char* buf_begin = (char*)state->undo_rec; (void)buf_begin;
const char* buf_end = (char*)state->undo_rec + sizeof(state->undo_rec); (void)buf_end;
IM_ASSERT(((char*)(state->undo_rec + state->redo_point)) >= buf_begin);
IM_ASSERT(((char*)(state->undo_rec + state->redo_point + 1) + move_size) <= buf_end);
STB_TEXTEDIT_memmove(state->undo_rec + state->redo_point+1, state->undo_rec + state->redo_point, move_size);
IMSTB_TEXTEDIT_memmove(state->undo_rec + state->redo_point+1, state->undo_rec + state->redo_point, move_size);
// now move redo_point to point to the new one
++state->redo_point;
@@ -1176,32 +1263,32 @@ static StbUndoRecord *stb_text_create_undo_record(StbUndoState *state, int numch
// if we have no free records, we have to make room, by sliding the
// existing records down
if (state->undo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
if (state->undo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
stb_textedit_discard_undo(state);
// if the characters to store won't possibly fit in the buffer, we can't undo
if (numchars > STB_TEXTEDIT_UNDOCHARCOUNT) {
if (numchars > IMSTB_TEXTEDIT_UNDOCHARCOUNT) {
state->undo_point = 0;
state->undo_char_point = 0;
return NULL;
}
// if we don't have enough free characters in the buffer, we have to make room
while (state->undo_char_point + numchars > STB_TEXTEDIT_UNDOCHARCOUNT)
while (state->undo_char_point + numchars > IMSTB_TEXTEDIT_UNDOCHARCOUNT)
stb_textedit_discard_undo(state);
return &state->undo_rec[state->undo_point++];
}
static STB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos, int insert_len, int delete_len)
static IMSTB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos, int insert_len, int delete_len)
{
StbUndoRecord *r = stb_text_create_undo_record(state, insert_len);
if (r == NULL)
return NULL;
r->where = pos;
r->insert_length = (STB_TEXTEDIT_POSITIONTYPE) insert_len;
r->delete_length = (STB_TEXTEDIT_POSITIONTYPE) delete_len;
r->insert_length = (IMSTB_TEXTEDIT_POSITIONTYPE) insert_len;
r->delete_length = (IMSTB_TEXTEDIT_POSITIONTYPE) delete_len;
if (insert_len == 0) {
r->char_storage = -1;
@@ -1213,7 +1300,7 @@ static STB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos,
}
}
static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static void stb_text_undo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
StbUndoState *s = &state->undostate;
StbUndoRecord u, *r;
@@ -1240,7 +1327,7 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
// characters stored for *undoing* don't leave room for redo
// if the last is true, we have to bail
if (s->undo_char_point + u.delete_length >= STB_TEXTEDIT_UNDOCHARCOUNT) {
if (s->undo_char_point + u.delete_length >= IMSTB_TEXTEDIT_UNDOCHARCOUNT) {
// the undo records take up too much character space; there's no space to store the redo characters
r->insert_length = 0;
} else {
@@ -1249,7 +1336,7 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
// there's definitely room to store the characters eventually
while (s->undo_char_point + u.delete_length > s->redo_char_point) {
// should never happen:
if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
if (s->redo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
return;
// there's currently not enough room, so discard a redo record
stb_textedit_discard_redo(s);
@@ -1271,7 +1358,7 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
// check type of recorded action:
if (u.insert_length) {
// easy case: was a deletion, so we need to insert n characters
STB_TEXTEDIT_INSERTCHARS(str, u.where, &s->undo_char[u.char_storage], u.insert_length);
u.insert_length = STB_TEXTEDIT_INSERTCHARS(str, u.where, &s->undo_char[u.char_storage], u.insert_length);
s->undo_char_point -= u.insert_length;
}
@@ -1281,11 +1368,11 @@ static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
s->redo_point--;
}
static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
static void stb_text_redo(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state)
{
StbUndoState *s = &state->undostate;
StbUndoRecord *u, r;
if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT)
if (s->redo_point == IMSTB_TEXTEDIT_UNDOSTATECOUNT)
return;
// we need to do two things: apply the redo record, and create an undo record
@@ -1322,7 +1409,7 @@ static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
if (r.insert_length) {
// easy case: need to insert n characters
STB_TEXTEDIT_INSERTCHARS(str, r.where, &s->undo_char[r.char_storage], r.insert_length);
r.insert_length = STB_TEXTEDIT_INSERTCHARS(str, r.where, &s->undo_char[r.char_storage], r.insert_length);
s->redo_char_point += r.insert_length;
}
@@ -1337,20 +1424,20 @@ static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int le
stb_text_createundo(&state->undostate, where, 0, length);
}
static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length)
static void stb_text_makeundo_delete(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length)
{
int i;
STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, length, 0);
IMSTB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, length, 0);
if (p) {
for (i=0; i < length; ++i)
p[i] = STB_TEXTEDIT_GETCHAR(str, where+i);
}
}
static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length)
static void stb_text_makeundo_replace(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length)
{
int i;
STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, old_length, new_length);
IMSTB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, old_length, new_length);
if (p) {
for (i=0; i < old_length; ++i)
p[i] = STB_TEXTEDIT_GETCHAR(str, where+i);
@@ -1362,8 +1449,8 @@ static void stb_textedit_clear_state(STB_TexteditState *state, int is_single_lin
{
state->undostate.undo_point = 0;
state->undostate.undo_char_point = 0;
state->undostate.redo_point = STB_TEXTEDIT_UNDOSTATECOUNT;
state->undostate.redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT;
state->undostate.redo_point = IMSTB_TEXTEDIT_UNDOSTATECOUNT;
state->undostate.redo_char_point = IMSTB_TEXTEDIT_UNDOCHARCOUNT;
state->select_end = state->select_start = 0;
state->cursor = 0;
state->has_preferred_x = 0;
@@ -1386,16 +1473,16 @@ static void stb_textedit_initialize_state(STB_TexteditState *state, int is_singl
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif
static int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE const *ctext, int len)
static int stb_textedit_paste(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, IMSTB_TEXTEDIT_CHARTYPE const *ctext, int len)
{
return stb_textedit_paste_internal(str, state, (STB_TEXTEDIT_CHARTYPE *) ctext, len);
return stb_textedit_paste_internal(str, state, (IMSTB_TEXTEDIT_CHARTYPE *) ctext, len);
}
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
#endif//STB_TEXTEDIT_IMPLEMENTATION
#endif//IMSTB_TEXTEDIT_IMPLEMENTATION
/*
------------------------------------------------------------------------------