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InputText: Add ImGuiInputTextFlags_CallbackEdit, selection helpers in ImGuiInputTextCallbackData(). Add simple InputText() callbacks demo.

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This commit is contained in:
ocornut
2020-08-20 11:25:39 +02:00
parent 024993adf9
commit fc9ccad6b9
5 changed files with 82 additions and 4 deletions
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11
imgui_widgets.cpp
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@ -3514,6 +3514,7 @@ static void STB_TEXTEDIT_DELETECHARS(STB_TEXTEDIT_STRING* obj, int pos, int n)
ImWchar* dst = obj->TextW.Data + pos;
// We maintain our buffer length in both UTF-8 and wchar formats
obj->Edited = true;
obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n);
obj->CurLenW -= n;
@ -3548,6 +3549,7 @@ static bool STB_TEXTEDIT_INSERTCHARS(STB_TEXTEDIT_STRING* obj, int pos, const Im
memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos) * sizeof(ImWchar));
memcpy(text + pos, new_text, (size_t)new_text_len * sizeof(ImWchar));
obj->Edited = true;
obj->CurLenW += new_text_len;
obj->CurLenA += new_text_len_utf8;
obj->TextW[obj->CurLenW] = '\0';
@ -3946,6 +3948,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
{
IM_ASSERT(state != NULL);
backup_current_text_length = state->CurLenA;
state->Edited = false;
state->BufCapacityA = buf_size;
state->UserFlags = flags;
state->UserCallback = callback;
@ -4183,7 +4186,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
// User callback
if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackAlways)) != 0)
if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackEdit | ImGuiInputTextFlags_CallbackAlways)) != 0)
{
IM_ASSERT(callback != NULL);
@ -4205,8 +4208,14 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
event_flag = ImGuiInputTextFlags_CallbackHistory;
event_key = ImGuiKey_DownArrow;
}
else if ((flags & ImGuiInputTextFlags_CallbackEdit) && state->Edited)
{
event_flag = ImGuiInputTextFlags_CallbackEdit;
}
else if (flags & ImGuiInputTextFlags_CallbackAlways)
{
event_flag = ImGuiInputTextFlags_CallbackAlways;
}
if (event_flag)
{