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stb_textedit.h Merged from master 1.9 (merged bits from #473)

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This commit is contained in:
ocornut 2016-10-16 11:34:33 +02:00
parent 0d3f8807c7
commit 7252d93dcd
2 changed files with 21 additions and 20 deletions
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6
imgui.cpp
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@ -7429,12 +7429,12 @@ static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, STB_TEXTEDIT_STRING* ob
static bool is_separator(unsigned int c) { return ImCharIsSpace(c) || c==',' || c==';' || c=='(' || c==')' || c=='{' || c=='}' || c=='[' || c==']' || c=='|'; }
static int is_word_boundary_from_right(STB_TEXTEDIT_STRING* obj, int idx) { return idx > 0 ? (is_separator( obj->Text[idx-1] ) && !is_separator( obj->Text[idx] ) ) : 1; }
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
#ifdef __APPLE__ // FIXME: Move setting to IO structure
static int is_word_boundary_from_left(STB_TEXTEDIT_STRING* obj, int idx) { return idx > 0 ? (!is_separator( obj->Text[idx-1] ) && is_separator( obj->Text[idx] ) ) : 1; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; }
#else
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }
#endif
#define STB_TEXTEDIT_MOVEWORDLEFT STB_TEXTEDIT_MOVEWORDLEFT_IMPL // They need to be #define for stb_textedit.h
#define STB_TEXTEDIT_MOVEWORDRIGHT STB_TEXTEDIT_MOVEWORDRIGHT_IMPL

35
stb_textedit.h
View File

@ -1,10 +1,9 @@
// [ImGui] this is a slightly modified version of stb_truetype.h 1.8
// [ImGui] this is a slightly modified version of stb_truetype.h 1.9. Those changes would need to be pushed into nothings/sb
// [ImGui] - fixed a state corruption/crash bug in stb_text_redo and stb_textedit_discard_redo (#715)
// [ImGui] - fixed a crash bug in stb_textedit_discard_redo (#681)
// [ImGui] - fixed some minor warnings
// [ImGui] - added STB_TEXTEDIT_MOVEWORDLEFT/STB_TEXTEDIT_MOVEWORDRIGHT custom handler (#473)
// stb_textedit.h - v1.8 - public domain - Sean Barrett
// stb_textedit.h - v1.9 - 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
@ -37,6 +36,7 @@
//
// VERSION HISTORY
//
// 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
// 1.6 (2015-04-15) allow STB_TEXTEDIT_memmove
@ -425,10 +425,9 @@ static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y)
// check if it's before the end of the line
if (x < r.x1) {
// search characters in row for one that straddles 'x'
k = i;
prev_x = r.x0;
for (i=0; i < r.num_chars; ++i) {
float w = STB_TEXTEDIT_GETWIDTH(str, k, i);
for (k=0; k < r.num_chars; ++k) {
float w = STB_TEXTEDIT_GETWIDTH(str, i, k);
if (x < prev_x+w) {
if (x < prev_x+w/2)
return k+i;
@ -618,15 +617,16 @@ static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditStat
}
#ifdef STB_TEXTEDIT_IS_SPACE
static int is_word_boundary( STB_TEXTEDIT_STRING *_str, int _idx )
static int is_word_boundary( STB_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;
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( STB_TEXTEDIT_STRING *str, int c )
{
while( c >= 0 && !is_word_boundary( _str, c ) )
--c; // always move at least one character
while( c >= 0 && !is_word_boundary( str, c ) )
--c;
if( c < 0 )
@ -638,10 +638,11 @@ 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( STB_TEXTEDIT_STRING *str, int c )
{
const int len = STB_TEXTEDIT_STRINGLEN(_str);
while( c < len && !is_word_boundary( _str, c ) )
const int len = STB_TEXTEDIT_STRINGLEN(str);
++c; // always move at least one character
while( c < len && !is_word_boundary( str, c ) )
++c;
if( c > len )
@ -778,7 +779,7 @@ retry:
if (STB_TEXT_HAS_SELECTION(state))
stb_textedit_move_to_first(state);
else {
state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor-1);
state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor);
stb_textedit_clamp( str, state );
}
break;
@ -787,7 +788,7 @@ retry:
if( !STB_TEXT_HAS_SELECTION( state ) )
stb_textedit_prep_selection_at_cursor(state);
state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor-1);
state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor);
state->select_end = state->cursor;
stb_textedit_clamp( str, state );
@ -799,7 +800,7 @@ retry:
if (STB_TEXT_HAS_SELECTION(state))
stb_textedit_move_to_last(str, state);
else {
state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor+1);
state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor);
stb_textedit_clamp( str, state );
}
break;
@ -808,7 +809,7 @@ retry:
if( !STB_TEXT_HAS_SELECTION( state ) )
stb_textedit_prep_selection_at_cursor(state);
state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor+1);
state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor);
state->select_end = state->cursor;
stb_textedit_clamp( str, state );