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DragFloat/SliderFloat internal InputScalar trim leading/trailing spaces emitted from the format string when presenting an edit box to the user. (#648)
Follow up to 6881d065b8
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a62f195e83
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17
imgui.cpp
17
imgui.cpp
@ -1072,6 +1072,22 @@ const char* ImStristr(const char* haystack, const char* haystack_end, const char
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return NULL;
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}
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// Trim str by offsetting contents when there's leading data + writing a \0 at the trailing position. We use this in situation where the cost is negligible.
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void ImStrTrimBlanks(char* buf)
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{
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char* p = buf;
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while (p[0] == ' ' || p[0] == '\t') // Leading blanks
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p++;
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char* p_start = p;
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while (*p != 0) // Find end of string
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p++;
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while (p > p_start && (p[-1] == ' ' || p[-1] == '\t')) // Trailing blanks
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p--;
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if (p_start != buf) // Copy memory if we had leading blanks
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memmove(buf, p_start, p - p_start);
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buf[p - p_start] = 0; // Zero terminate
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}
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static const char* ImAtoi(const char* src, int* output)
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{
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int negative = 0;
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@ -8594,6 +8610,7 @@ bool ImGui::InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const c
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char data_buf[32];
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format = ParseFormatTrimDecorations(format, fmt_buf, IM_ARRAYSIZE(fmt_buf));
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DataTypeFormatString(data_buf, IM_ARRAYSIZE(data_buf), data_type, data_ptr, format);
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ImStrTrimBlanks(data_buf);
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ImGuiInputTextFlags flags = ImGuiInputTextFlags_AutoSelectAll | ((data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImGuiInputTextFlags_CharsScientific : ImGuiInputTextFlags_CharsDecimal);
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bool value_changed = InputTextEx(label, data_buf, IM_ARRAYSIZE(data_buf), bb.GetSize(), flags);
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if (g.ScalarAsInputTextId == 0) // First frame we started displaying the InputText widget
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@ -118,6 +118,7 @@ IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end
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IMGUI_API int ImStrlenW(const ImWchar* str);
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IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line
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IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end);
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IMGUI_API void ImStrTrimBlanks(char* str);
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IMGUI_API int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) IM_FMTARGS(3);
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IMGUI_API int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) IM_FMTLIST(3);
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