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InputText: Reworked prev/next-word behavior . Include period as delimiter and tweak prev/next words logic. (#6067)

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This commit is contained in:
AJ Weeks
2023-03-22 20:27:17 +01:00
committed by ocornut
parent 89d09070e3
commit 821814b450
3 changed files with 32 additions and 5 deletions
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32
imgui_widgets.cpp
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@ -3700,10 +3700,34 @@ static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* ob
r->num_chars = (int)(text_remaining - (text + line_start_idx));
}
// When ImGuiInputTextFlags_Password is set, we don't want actions such as CTRL+Arrow to leak the fact that underlying data are blanks or separators.
static bool is_separator(unsigned int c) { return ImCharIsBlankW(c) || c==',' || c==';' || c=='(' || c==')' || c=='{' || c=='}' || c=='[' || c==']' || c=='|' || c=='\n' || c=='\r'; }
static int is_word_boundary_from_right(ImGuiInputTextState* obj, int idx) { if (obj->Flags & ImGuiInputTextFlags_Password) return 0; return idx > 0 ? (is_separator(obj->TextW[idx - 1]) && !is_separator(obj->TextW[idx]) ) : 1; }
static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx) { if (obj->Flags & ImGuiInputTextFlags_Password) return 0; return idx > 0 ? (!is_separator(obj->TextW[idx - 1]) && is_separator(obj->TextW[idx])) : 1; }
static bool is_separator(unsigned int c)
{
return c==',' || c==';' || c=='(' || c==')' || c=='{' || c=='}' || c=='[' || c==']' || c=='|' || c=='\n' || c=='\r' || c=='.' || c=='!';
}
static int is_word_boundary_from_right(ImGuiInputTextState* obj, int idx)
{
// When ImGuiInputTextFlags_Password is set, we don't want actions such as CTRL+Arrow to leak the fact that underlying data are blanks or separators.
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool prev_separ = is_separator(obj->TextW[idx - 1]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx]);
bool curr_separ = is_separator(obj->TextW[idx]);
return ((prev_white || prev_separ) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx)
{
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx]);
bool prev_separ = is_separator(obj->TextW[idx]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool curr_separ = is_separator(obj->TextW[idx - 1]);
return ((prev_white) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(ImGuiInputTextState* obj, int idx) { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx) { 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_WIN(ImGuiInputTextState* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }