diff options
Diffstat (limited to '3rdparty/bgfx/3rdparty/stb/stb_textedit.h')
-rw-r--r-- | 3rdparty/bgfx/3rdparty/stb/stb_textedit.h | 366 |
1 files changed, 194 insertions, 172 deletions
diff --git a/3rdparty/bgfx/3rdparty/stb/stb_textedit.h b/3rdparty/bgfx/3rdparty/stb/stb_textedit.h index 7644670975c..b7a761c8538 100644 --- a/3rdparty/bgfx/3rdparty/stb/stb_textedit.h +++ b/3rdparty/bgfx/3rdparty/stb/stb_textedit.h @@ -1,10 +1,14 @@ // [DEAR IMGUI] -// This is a slightly modified version of stb_textedit.h 1.13. +// This is a slightly modified version of stb_textedit.h 1.14. // 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) +// - 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) // Grep for [DEAR IMGUI] to find the changes. +// - Also renamed macros used or defined outside of IMSTB_TEXTEDIT_IMPLEMENTATION block from STB_TEXTEDIT_* to IMSTB_TEXTEDIT_* -// stb_textedit.h - v1.13 - public domain - Sean Barrett +// stb_textedit.h - v1.14 - public domain - Sean Barrett // Development of this library was sponsored by RAD Game Tools // // This C header file implements the guts of a multi-line text-editing @@ -19,7 +23,7 @@ // texts, as its performance does not scale and it has limited undo). // // Non-trivial behaviors are modelled after Windows text controls. -// +// // // LICENSE // @@ -29,16 +33,17 @@ // 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 // +// 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 @@ -58,6 +63,7 @@ // Ulf Winklemann: move-by-word in 1.1 // Fabian Giesen: secondary key inputs in 1.5 // Martins Mozeiko: STB_TEXTEDIT_memmove in 1.6 +// Louis Schnellbach: page up/down in 1.14 // // Bugfixes: // Scott Graham @@ -93,8 +99,8 @@ // moderate sizes. The undo system does no memory allocations, so // it grows STB_TexteditState by the worst-case storage which is (in bytes): // -// [4 + 3 * sizeof(STB_TEXTEDIT_POSITIONTYPE)] * STB_TEXTEDIT_UNDOSTATE_COUNT -// + sizeof(STB_TEXTEDIT_CHARTYPE) * STB_TEXTEDIT_UNDOCHAR_COUNT +// [4 + 3 * sizeof(STB_TEXTEDIT_POSITIONTYPE)] * STB_TEXTEDIT_UNDOSTATECOUNT +// + sizeof(STB_TEXTEDIT_CHARTYPE) * STB_TEXTEDIT_UNDOCHARCOUNT // // // Implementation mode: @@ -205,6 +211,7 @@ // 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. @@ -217,20 +224,20 @@ // call this with the mouse x,y on a mouse down; it will update the cursor // and reset the selection start/end to the cursor point. the x,y must // be relative to the text widget, with (0,0) being the top left. -// +// // drag: // call this with the mouse x,y on a mouse drag/up; it will update the // cursor and the selection end point -// +// // cut: // call this to delete the current selection; returns true if there was // one. you should FIRST copy the current selection to the system paste buffer. // (To copy, just copy the current selection out of the string yourself.) -// +// // paste: // call this to paste text at the current cursor point or over the current // selection if there is one. -// +// // key: // call this for keyboard inputs sent to the textfield. you can use it // for "key down" events or for "translated" key events. if you need to @@ -239,9 +246,14 @@ // 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: [DEAR IMGUI] added 2024-09 +// call this to text inputs sent to the textfield. +// // -// // When rendering, you can read the cursor position and selection state from // the STB_TexteditState. // @@ -271,8 +283,8 @@ //// //// -#ifndef INCLUDE_STB_TEXTEDIT_H -#define INCLUDE_STB_TEXTEDIT_H +#ifndef INCLUDE_IMSTB_TEXTEDIT_H +#define INCLUDE_IMSTB_TEXTEDIT_H //////////////////////////////////////////////////////////////////////// // @@ -283,38 +295,38 @@ // 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 { ///////////////////// // @@ -368,7 +380,7 @@ 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 //////////////////////////////////////////////////////////////////////////// @@ -381,11 +393,11 @@ 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 @@ -395,7 +407,7 @@ 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) { StbTexteditRow r; int n = STB_TEXTEDIT_STRINGLEN(str); @@ -434,13 +446,13 @@ 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) { if (x < prev_x+w/2) return k+i; else - return k+i+1; + return IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k); } prev_x += w; } @@ -455,7 +467,7 @@ 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 @@ -473,7 +485,7 @@ static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *stat } // 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; @@ -499,11 +511,11 @@ 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 { @@ -515,36 +527,21 @@ 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; int z = STB_TEXTEDIT_STRINGLEN(str); int i=0, first; - if (n == z) { - // if it's at the end, then find the last line -- simpler than trying to - // explicitly handle this case in the regular code - if (single_line) { - STB_TEXTEDIT_LAYOUTROW(&r, str, 0); - find->y = 0; - find->first_char = 0; - find->length = z; - find->height = r.ymax - r.ymin; - find->x = r.x1; - } else { - find->y = 0; - find->x = 0; - find->height = 1; - while (i < z) { - STB_TEXTEDIT_LAYOUTROW(&r, str, i); - prev_start = i; - i += r.num_chars; - } - find->first_char = i; - find->length = 0; - find->prev_first = prev_start; - } + if (n == z && single_line) { + // special case if it's at the end (may not be needed?) + STB_TEXTEDIT_LAYOUTROW(&r, str, 0); + find->y = 0; + find->first_char = 0; + find->length = z; + find->height = r.ymax - r.ymin; + find->x = r.x1; return; } @@ -555,9 +552,16 @@ 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 (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; i += r.num_chars; find->y += r.baseline_y_delta; + if (i == z) // [DEAR IMGUI] + { + r.num_chars = 0; // [DEAR IMGUI] + break; // [DEAR IMGUI] + } } find->first_char = first = i; @@ -567,14 +571,14 @@ 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)) { @@ -588,7 +592,7 @@ 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); @@ -596,7 +600,7 @@ 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)) { @@ -633,7 +637,7 @@ 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); @@ -644,14 +648,25 @@ static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditStat } } +// [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 + #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 ) ) @@ -666,7 +681,7 @@ 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 @@ -693,7 +708,7 @@ 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 @@ -704,7 +719,7 @@ 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); @@ -716,9 +731,7 @@ static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditSta state->has_preferred_x = 0; return 1; } - // remove the undo since we didn't actually insert the characters - if (state->undostate.undo_point) - --state->undostate.undo_point; + // note: paste failure will leave deleted selection, may be restored with an undo (see https://github.com/nothings/stb/issues/734 for details) return 0; } @@ -726,36 +739,44 @@ static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditSta #define STB_TEXTEDIT_KEYTYPE int #endif +// [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); + if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len)) { + state->cursor += text_len; + state->has_preferred_x = 0; + } + } + else { + stb_textedit_delete_selection(str, state); // implicitly clamps + if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, 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 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; } @@ -764,7 +785,7 @@ retry: state->insert_mode = !state->insert_mode; break; #endif - + case STB_TEXTEDIT_K_UNDO: stb_text_undo(str, state); state->has_preferred_x = 0; @@ -779,9 +800,9 @@ retry: // if currently there's a selection, move cursor to start of selection if (STB_TEXT_HAS_SELECTION(state)) stb_textedit_move_to_first(state); - else + else if (state->cursor > 0) - --state->cursor; + state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor); state->has_preferred_x = 0; break; @@ -790,7 +811,7 @@ 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; @@ -800,7 +821,7 @@ 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; @@ -828,7 +849,7 @@ retry: #ifdef STB_TEXTEDIT_MOVEWORDRIGHT case STB_TEXTEDIT_K_WORDRIGHT: - if (STB_TEXT_HAS_SELECTION(state)) + if (STB_TEXT_HAS_SELECTION(state)) stb_textedit_move_to_last(str, state); else { state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor); @@ -850,7 +871,7 @@ 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; @@ -899,14 +920,14 @@ retry: x = row.x0; for (i=0; i < row.num_chars; ++i) { float dx = STB_TEXTEDIT_GETWIDTH(str, start, i); - #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE - if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE) + #ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE + if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE) break; #endif x += dx; if (x > goal_x) break; - ++state->cursor; + state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor); } stb_textedit_clamp(str, state); @@ -922,7 +943,7 @@ retry: } break; } - + case STB_TEXTEDIT_K_UP: case STB_TEXTEDIT_K_UP | STB_TEXTEDIT_K_SHIFT: case STB_TEXTEDIT_K_PGUP: @@ -961,14 +982,14 @@ retry: x = row.x0; for (i=0; i < row.num_chars; ++i) { float dx = STB_TEXTEDIT_GETWIDTH(str, find.prev_first, i); - #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE - if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE) + #ifdef IMSTB_TEXTEDIT_GETWIDTH_NEWLINE + if (dx == IMSTB_TEXTEDIT_GETWIDTH_NEWLINE) break; #endif x += dx; if (x > goal_x) break; - ++state->cursor; + state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor); } stb_textedit_clamp(str, state); @@ -996,7 +1017,7 @@ 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; @@ -1008,13 +1029,14 @@ 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; break; - + #ifdef STB_TEXTEDIT_K_TEXTSTART2 case STB_TEXTEDIT_K_TEXTSTART2: #endif @@ -1031,7 +1053,7 @@ retry: state->select_start = state->select_end = 0; state->has_preferred_x = 0; break; - + #ifdef STB_TEXTEDIT_K_TEXTSTART2 case STB_TEXTEDIT_K_TEXTSTART2 | STB_TEXTEDIT_K_SHIFT: #endif @@ -1119,8 +1141,8 @@ 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 @@ -1132,13 +1154,13 @@ 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]))); } } @@ -1148,7 +1170,7 @@ 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 @@ -1156,7 +1178,7 @@ 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) @@ -1164,12 +1186,12 @@ 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; @@ -1183,32 +1205,32 @@ 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; @@ -1220,7 +1242,7 @@ 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; @@ -1247,7 +1269,7 @@ 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 { @@ -1256,7 +1278,7 @@ 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); @@ -1288,11 +1310,11 @@ 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 @@ -1344,20 +1366,20 @@ 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); @@ -1369,8 +1391,8 @@ 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; @@ -1393,16 +1415,16 @@ 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 /* ------------------------------------------------------------------------------ @@ -1410,38 +1432,38 @@ This software is available under 2 licenses -- choose whichever you prefer. ------------------------------------------------------------------------------ ALTERNATIVE A - MIT License Copyright (c) 2017 Sean Barrett -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: -The above copyright notice and this permission notice shall be included in all +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ------------------------------------------------------------------------------ ALTERNATIVE B - Public Domain (www.unlicense.org) This is free and unencumbered software released into the public domain. -Anyone is free to copy, modify, publish, use, compile, sell, or distribute this -software, either in source code form or as a compiled binary, for any purpose, +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means. -In jurisdictions that recognize copyright laws, the author or authors of this -software dedicate any and all copyright interest in the software to the public -domain. We make this dedication for the benefit of the public at large and to -the detriment of our heirs and successors. We intend this dedication to be an -overt act of relinquishment in perpetuity of all present and future rights to +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to this software under copyright law. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN -ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ------------------------------------------------------------------------------ */ |